An array substrate (100) and a control method and manufacturing method therefor. The array substrate (100) comprises a base substrate (1), a plurality of thin-film transistors (2) and a plurality of pixel electrode structures (3), wherein the thin-film transistors (2) each comprise an active layer (23), a source electrode (21) and a drain electrode (22); a conductive channel is formed on the active layer (23) and corresponding to the position between the source electrode (21) and the drain electrode (22); and each pixel electrode structure (3) comprises a first pixel electrode (31) and a second pixel electrode (32) which are spaced apart from each other. By means of a first pixel electrode (31) and a second pixel electrode (32) which are arranged on the same layer and are separated from each other, the first pixel electrode (31) is controlled to shield a conductive channel, thereby preventing an increase in the leakage current of a thin-film transistor (2) caused by external light irradiating the conductive channel.
G02F 1/167 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
A display panel (13), a display module (10) comprising the display panel (13), and a display device (100). The display panel (13) comprises a plurality of pixel units (15) arranged in an array. During display of two consecutive image frames, any pixel unit (15) receives a data signal (Data+) of a first polarity for image display when the first image frame (F1) is displayed, and receives a data signal (Data-) of a second polarity for image display when the second image frame (F2) is displayed. Each pixel unit (15) comprises a first driving module (151), a second driving module (152) and a light-emitting module (153). The first driving module (151) is used for receiving the data signal (Data+) of the first polarity and controlling the light-emitting module (153) to emit light according to the data signal (Data+) of the first polarity. The second driving module (152) is used for receiving the data signal of the second polarity (Data-) and controlling the light emitting module (153) to emit light according to the data signal (Data-) of the second polarity. By driving the pixel unit (15) to emit light by means of the data signals of the two polarities, the continuous working period of a control module in the pixel unit (15) is effectively reduced, and the heat of the pixel unit (15) is reduced.
G09G 3/3208 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
3.
PIXEL DRIVING CIRCUIT AND DRIVING METHOD THEREFOR, AND DISPLAY APPARATUS
A pixel driving circuit, a driving method, and a display panel (40). The pixel driving circuit comprises a driving transistor (T0), a storage capacitor (C), a trigger (U1), a first response switch (T1) and a second response switch (T2), a first end of the driving transistor (T0) being connected to a power supply end (10), a second end being connected to a light-emitting unit (20), a control end being connected to a first end of the storage capacitor (C), a second end of the storage capacitor (C) being connected to the power supply end (10), a first end of the first response switch (T1) being connected to a data line (data), a control end being connected to a scan line (scan), a second end being connected to the first end of the storage capacitor (C), an input end of the trigger (U1) being connected to the scan line (scan), a first end of the second response switch (T2) being connected to the second end of the driving transistor (T0), a second end of the second response switch (T2) being connected to an initial voltage end (30), and a control end of the second response switch (T2) being connected to an output end (Q, Q') of the trigger (U1).
G09G 3/3225 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
The present application provides a drive circuit, a display panel, and a display device. A first light emission control sub-circuit (110) and a second light emission control sub-circuit (120) of the drive circuit (100) both drive a light-emitting unit (140) to emit light; an operation sub-circuit (160) compares a reference voltage with the voltage at the electrical connection point between an energy storage element (150) and the operation sub-circuit (160) so as to obtain an output signal; a first data input sub-circuit (180) transmits, when connected and according to the output signal, a first data signal to the first light emission control sub-circuit (110) and the second light emission control sub-circuit (120), so as to drive the light-emitting unit (140) to emit light; the second data input sub-circuit (190) transmits, when connected and according to the output signal, a second data signal to the first light emission control sub-circuit (110) and the second light emission control sub-circuit (120), so as to drive the light-emitting unit (140) to emit light, thereby switching direct-current driving to alternating-current driving, and improving the display life of TFTs.
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
G09G 3/3225 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
The present application provides a display structure and a display apparatus. The display structure comprises a pixel area (101); a viewing angle adjusting area is provided on at least one side of the pixel area (101); a light emitting part is provided in the pixel area (101); the light emitting part is used for emitting light; the viewing angle adjusting area is provided with a viewing angle adjusting part; the viewing angle adjusting part comprises a light shielding part and an adjusting electrode (140); the light shielding part has a narrow viewing angle position for shielding the light from the light emitting part and a wide viewing angle position for avoiding the light from the light emitting part; the adjusting electrode (140) is arranged corresponding to the light shielding part; the adjusting electrode (140) forms an electric field; and the electric field drives the light shielding part to move between the narrow viewing angle position and the wide viewing angle position.
H01L 27/15 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier, specially adapted for light emission
G02F 1/167 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
G02F 1/1335 - Structural association of cells with optical devices, e.g. polarisers or reflectors
G02F 1/13 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
H10K 59/126 - Shielding, e.g. light-blocking means over the TFTs
6.
DISPLAY APPARATUS, CONTROL CIRCUIT, PEEP-PROOF DISPLAY METHOD AND STORAGE MEDIUM
Provided in the present application are a display apparatus (500), a control circuit (300), a peep-proof display method and a storage medium (400). The display apparatus (500) comprises a display panel (200) and a backlight module (100). The peep-proof display method comprises: determining a peep-proof area; controlling a dimming diaphragm (3) to alternately switch between a transparent mode and a diffusion mode; in response to the dimming diaphragm (3) being switched to the transparent mode, controlling a first light-emitting unit (22), which rotates to the peep-proof area, to not emit light and controlling a second light-emitting unit (23), which rotates to the peep-proof area, to emit light; and in response to the dimming diaphragm (3) being switched to the diffusion mode, controlling the first light-emitting unit (22) and second light-emitting unit (23), which rotate to the peep-proof area, to not emit light. In different modes of the dimming diaphragm (3), the first light-emitting unit (22) and the second light-emitting unit (23) continuously change positions and adjust light-emitting situations along with the rotation of a light bar, such that an area of the display panel (200) to which collimated light is transmitted can be changed, thereby making the display panel (200) locally dynamically peep-proof.
Provided in the present application are a backlight module (100) and a display device (500). The backlight module (100) comprises a back plate (1), light bars (2), a dimming diaphragm (3) and a driving assembly (4), wherein the back plate (1) comprises a bottom plate (12); the light bars (2) are disposed on one side of the bottom plate (12), and each light bar comprises a circuit board (21), and a plurality of first light-emitting units (22) and a plurality of second light-emitting units (23) which are arranged on the circuit board (21); the dimming diaphragm (3) is disposed on the side of the light bar (2) away from the bottom plate (12) and has a diffusion mode and a transparent mode; and the driving assembly (4) is disposed on the bottom plate (12), is connected to the light bars (2), and is configured to drive the light bars (2) to rotate. The first light-emitting units (22), which are capable of generating diffused light, and the second light-emitting units (23), which are capable of generating collimated light, are arranged on the rotatable light bars (2), such that the positions of the first light-emitting units (22) and the second light-emitting units (23) are continuously changed as the light bars (2) rotate, such that the region where the collimated light is transmitted to a display panel (200) can be changed, thereby achieving local dynamic anti-peeking of the display panel (200).
A pixel drive circuit (100), a display panel, and a display device. A first drive module (10) of the pixel drive circuit (100) receives a first scan signal (Scan1) and a data signal (Data), and according to same, selectively receives a first voltage from a first power supply end (Vodd) and receives a second voltage from a second power supply end (Veven); the second drive module (20) receives a second scan signal (Scan2) and the data signal (Data), and according to same, selectively receives a second voltage from the first power supply end (Vodd) and receives a first voltage from the second power supply end (Veven). The first voltage and the second voltage received by the first drive module (10) and the second drive module (20) are alternately applied to two ends of a light-emitting unit (30) so as to drive the light-emitting unit (30) to emit light. The drive components in the pixel drive circuit (100) are driven by an alternating current, so the pixel drive circuit can operate intermittently, facilitating the timely release of the heat generated when the drive components are in operation, thus effectively reducing the working temperature of the drive components and prolonging the service life.
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
A pixel drive circuit (100) and a display panel (1000). The pixel drive circuit (100) comprises: a scanning line (101), which is used for providing a scanning voltage, wherein the scanning voltage is at a first level in a sampling stage (T1), and is at a second level in a data writing stage (T2); a data line (102), which is used for providing a data voltage, wherein the data voltage is at a high level in the sampling stage (T1), and is at a low level in the data writing stage (T2); a capacitor (20), a first capacitor end (21) of which is electrically connected to the data line (102) in both the sampling stage (T1) and the data writing stage (T2); and a driving transistor (30), a source electrode end (32) of which is electrically connected to the scanning line (101), a gate electrode end (31) of which is electrically connected to a second capacitor end (22), and a drain electrode end (33) of which is electrically connected to the gate electrode end (31) in the sampling phase (T1) and is disconnected from the gate electrode end (31) in the data writing stage (T2). The pixel drive circuit (100) can improve the display uniformity of the display panel (1000).
G09G 3/3208 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
10.
DISPLAY PANEL, DISPLAY MODULE, AND DISPLAY APPARATUS
A display panel (13), a display module (10), and a display apparatus (100). The display panel (13) comprises a plurality of pixel units (15), which are arranged in a matrix, wherein the pixel units (15) comprise a first display unit (151) and a second display unit (152), the first display unit (151) and the second display unit (152) being connected in parallel between a first drive voltage end and a second drive voltage end, and receiving a first drive voltage (V1) and a second drive voltage (V2), respectively. During the display process of two consecutive frames of images, when a first frame of image is displayed, the first drive voltage (V1) is greater than the second drive voltage (V2), and the first drive voltage (V1) and the second drive voltage (V2) cooperate to drive the first display unit (151) to perform image display; and when a second frame of image is displayed, the second drive voltage (V2) is greater than the first drive voltage (V1), and the first drive voltage (V1) and the second drive voltage (V2) cooperate to drive the second display unit (152) to perform image display.
G09G 3/3208 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
G09G 3/3258 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the voltage across the light-emitting element
11.
GROWTH SUBSTRATE, DISPLAY PANEL AND MANUFACTURING METHOD THEREFOR
The present invention relates to a growth substrate, a display panel and a manufacturing method therefor. The growth substrate comprises a substrate (11). The substrate (11) comprises a plurality of chip growth regions (111) which are arranged at intervals in an array and a non-growth region (112) located among the plurality of chip growth regions. The growth substrate further comprises a refractive structure (13) arranged on the substrate (11). The orthographic projection of the refractive structure (13) on the substrate (11) covers the non-growth region (112) and does not overlap with at least part of each chip growth region (111). The refractive structure (13) is used for refracting light corresponding to the non-growth region (112) to positions corresponding to the chip growth regions (111).
H01L 33/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof
H01L 21/67 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components
G09F 9/33 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
A display panel, a driving method and a display device. The driving method comprises: generating a gating signal by means of a delay component, and sending the gating signal to a corresponding micron-level light-emitting component (S10); and on the basis of the micron-level light-emitting component, when it is detected that the gating signal satisfies a voltage condition, intercepting a column data signal in a column tube control component according to the gating signal, and driving a sub-pixel according to the column data signal (S20). By connecting a delay component to a single row channel (30) extending out from a row tube control component, it is possible for the row tube control component to control a plurality of micron-level light-emitting components corresponding to the single row channel (30) by means of the single row channel.
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
An LED chip transfer method and a display panel. The chip transfer method comprises: providing a driving substrate (10) provided with at least one group of binding points, one group of binding points comprising a first binding point (101) and a second binding point (102); forming, on the driving substrate (10), a compensation layer (103) covering the first binding point (101) and the second binding point (102); providing a chip substrate, the chip substrate comprising a base substrate (201) and a plurality of chips (30); performing first alignment processing, and forming first recesses (103a) and second recesses (103b) on the compensation layer (103), the second recesses (103b) and the first recesses (103a) being spaced apart from each other; forming, on the compensation layer (103), first vias (103c) and second vias (103d) spaced apart from the first recesses (103a) and the second recesses (103b); forming, on the compensation layer (103), first transfer electrodes (401) and second transfer electrodes (402) disconnected from each other; inserting first pins (302) into the first recesses (103a) and binding the first pins (302) to the first transfer electrodes (401), and inserting second pins (303) into the second recesses (103b) and binding the second pins (303) to the second transfer electrodes (402); and peeling off the base substrate (201) from the chips (30).
A display panel (100) and a display device. The display panel comprises a drive substrate (1), a bonding layer (30) and a plurality of light-emitting elements (40). The drive substrate (1) comprises a plurality of groups of bonding pads (20), wherein each group of bonding pads (20) comprises a first bonding pad (21) and a second bonding pad (22); the bonding layer (30) is arranged on the plurality of groups of bonding pads (20); and each of the light-emitting elements (40) comprises a semiconductor light-emitting layer (43), a first electrode (41) and a second electrode (42), wherein the first electrode (41) and the second electrode (42) are respectively arranged at two opposite ends of the semiconductor light-emitting layer (43), the first electrode (43) is electrically connected to the corresponding first bonding pad (21) by means of the bonding layer (30), the second electrode (42) is electrically connected to the corresponding second bonding pad (22) by means of the bonding layer (30), the second electrodes (42) of at least some of the adjacent light-emitting elements (40) are close to each other, and the second electrodes (42) close to each other are short-circuited by means of the same bonding layer (30) and/or the same second bonding pad (22). By means of the display panel (100), a limitation of the transfer precision of the light-emitting elements (40) can be overcome, thereby effectively increasing the resolution.
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
G09F 9/33 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
15.
PIXEL CIRCUIT, DISPLAY PANEL, AND DISPLAY APPARATUS
A pixel circuit (40), a display panel (1, 10), and a display apparatus (100). The pixel circuit (40) comprises a control unit (50), a light-emitting unit (60) and a driving unit (70), the control unit (50) controlling a first light-emitting element (A) and/or a second light-emitting element (B) of the light-emitting unit (60) to be electrically connected to a first power supply ELVSS so as to emit light. In the pixel circuit (40), the first light-emitting element (A) and the second light-emitting element (B) are arranged, and the control unit (50) controls one light-emitting element of the light-emitting unit (60) to emit light, and controls the other light-emitting element to receive a second cathode voltage so as to release charges accumulated therein, thereby prolonging the display life of the light-emitting unit (60) and reducing the risk of screen burn-in.
G09G 3/3208 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
16.
DRIVE CURRENT ADJUSTMENT CIRCUIT, COLOR CAST CORRECTION METHOD, DEVICE AND STORAGE MEDIUM
A drive current adjustment circuit, a color cast correction method, a device and a storage medium. The drive current adjustment circuit comprises a current input module (10), a current adjustment module (20) and a current output module (30). The color cast correction method comprises: determining switched-on switch tubes (M1, M2) in a current adjustment module (20) according to a loading operation of resistors (R1, R2) in a current input module (10), and adjusting an input voltage (Vup) on the basis of the switch tubes (M1, M2), so as to obtain a drive voltage (S10); and outputting the drive voltage to a source electrode of a first transistor (T1) of a current output module (30), and compensating for a drive current, which is outputted to a light-emitting diode (OLED) of the current output module (30) via the first transistor (T1), so as to correct the color cast of the light-emitting diode (OLED).
G09G 3/3233 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
An organic light-emitting display panel (100), a display device (10), and a display panel encapsulation method. The organic light-emitting display panel (100) comprises a cover plate (110), a substrate (120), an encapsulation layer (130), and a touch circuit (140). The edge of the cover plate (110) is provided with a touch bonding pin (141). The touch bonding pin (141) is connected to the touch circuit (140), and two sides of the touch binding pin (141) are respectively provided with multiple shielding terminals (150). The touch bonding pin (141) and the shielding terminal (150) are arranged in correspondence to the encapsulation layer (130).
A driving circuit, a driving method, and a display panel. The driving method comprises: after a first thin-film transistor (T1) is turned on and the voltage at a first node (A) is controlled to be an initialization voltage (Vref), controlling the voltage at a second node (B) to be a threshold voltage on the basis of the initialization voltage (Vref) and respective voltage differences of a second thin-film transistor (T2) and a fourth thin-film transistor (T4), which are turned on; turning on a third thin-film transistor (T3) and compensating for the threshold voltage to obtain a driving voltage; turning on a fifth thin-film transistor (T5) by means of the driving voltage to input a driving current; and controlling the driving current to flow through a sixth thin-film transistor (T6), which is turned on, so as to drive a light-emitting diode (D1).
G09G 3/3225 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
19.
DRIVING METHOD AND CIRCUIT FOR DISPLAY PANEL, AND DISPLAY APPARATUS
A driving method and circuit for a display panel (1), and a display apparatus. In the driving method for the display panel (1), a bandpoint voltage is first measured and a voltage difference between the bandpoint voltage and a common electrode voltage is calculated; and when the voltage difference between the bandpoint voltage and the common electrode voltage is less than a preset voltage difference, it is indicated that the display panel (1) has the problem of bright and dark lines, a data voltage waveform exhibits climbing, and the charging rate of blue pixels or green pixels is insufficient. At this time, by raising the bandpoint voltage, i.e., raising the charging voltage of red pixels, the charging loss during a climbing process is reduced, and the charging rate is improved, thus improving the bright and dark lines of the display panel (1), and enhancing the display effect.
G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
20.
PIXEL CIRCUIT, DISPLAY PANEL AND DISPLAY APPARATUS
The present application relates to a pixel circuit, a display panel, and a display apparatus. A first transistor (41) of the pixel circuit (40) receives a data signal (Data) and a first scanning signal (Scan1), and the first scanning signal (Scan1) controls the first transistor (41) to be turned on or turned off. A third transistor (44) receives a second power supply voltage (VDD), and a light-emitting element (45) receives a first power supply voltage (VSS). A second transistor (42) and the third transistor (44) of the pixel circuit (40) are in mirror connection with respect to a storage capacitor (43), optimizing and improving the structure of the pixel circuit (40), and preventing uneven brightness or image retention of displayed images of display panels.
G09G 3/3208 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
21.
DISPLAY CIRCUIT OF SPECIAL-SHAPED SCREEN AND DISPLAY DEVICE
A display circuit (22) of a special-shaped screen and a display device (20), capable of effectively weakening the jagged effect during the display of a special-shaped screen and improving the display effect of the special-shaped screen. The display circuit (22) of the special-shaped screen comprises: a plurality of pixel circuits (10) arranged in a special-shaped region (A) of the special-shaped screen in a non-rectangular array, the pixel circuits (10) located at both ends of each row of the plurality of pixel circuits (10) being edge pixel circuits, wherein one of two adjacent edge pixel circuits is connected to an Nth-level gate signal line, and the other one of the two adjacent edge pixel circuits is connected to an (N+1)th-level gate signal line, N being a natural number greater than 0; and a voltage-dividing circuit (13) respectively connected to the two adjacent edge pixel circuits, so that the storage voltages of the two adjacent edge pixel circuits are equal, a control end of the voltage-dividing circuit (13) being connected to an (N+M)th-level gate signal line, M being a natural number greater than 2.
G09G 3/36 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source using liquid crystals
G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
22.
DISPLAY DEVICE AND PREPARATION METHOD THEREFOR, AND ELECTRONIC APPARATUS
A display device and a preparation method therefor. The display device (1) comprises a display module (11) and a function module (12). The display module (11) comprises a first substrate (111) and a plurality of light-emitting units (112). The plurality of light-emitting units (112) are arranged on one side of the first substrate (111), and the light-emitting units (112) emit light towards the first substrate (111). The function module (12) is arranged on the side surface of the first substrate (111) facing away from the light-emitting units (112). The function module (12) and the light-emitting units (112) share the first substrate (111), and the surface of the function module (12) close to the first substrate (111) is in direct contact with the surface of the first substrate (111) facing away from the light-emitting unit (112).
G09F 9/33 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
G02F 1/13 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
23.
PIXEL CIRCUIT, DISPLAY PANEL, AND DISPLAY APPARATUS
The present application provides a pixel circuit (110), a display panel (10), and a display apparatus. The pixel circuit (110) comprises: a light-emitting unit (113); a drive transistor (111) driving the light-emitting unit (113) to emit light; a light-emitting control subcircuit (112) controlling the light-emitting unit (113) to emit light; a first reset subcircuit (114) writing a reference voltage into a gate of the drive transistor (111) and an energy storage element (117); a switch subcircuit (115) changing a gate voltage of the drive transistor (111); a second reset subcircuit (116) responding to a first reset signal; the energy storage element (117) changing the gate voltage of the drive transistor (111); a third reset subcircuit (118) responding to a second reset signal; and a data write subcircuit (119) writing a data voltage into the energy storage element (117). The present application eliminates the effect of a threshold voltage on a drive current, and improves the overall brightness uniformity and stability of display apparatuses.
G09G 3/3233 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
A voltage regulating circuit and a display panel, relating to the technical field of display. The voltage regulating circuit comprises: a light-emitting module (10), a driving module (20), a comparison module (30), a selection module (40), a first switch module (50) and a second switch module (60). The driving module (20) is used for providing a driving voltage (Vdd) to the light-emitting module (10). The comparison module (30) is used for comparing the driving voltage (Vdd) with a reference voltage (Vref) and generating an output signal. The selection module (40) is used for outputting a forward high voltage (VGH) or a reverse low voltage (VGL).
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
A gate drive circuit and a display apparatus. The gate drive circuit comprises: an output module (10), a coupling capacitor C, a pre-charging module (20) and a boost module (30), wherein the output module (10) is used for outputting a gate drive signal Gn; a first end of the coupling capacitor C is connected to the output module (10); the pre-charging module (20) is connected to the first end of the coupling capacitor C, the pre-charging module (20) is used for providing a first voltage Vdd for the first end of the coupling capacitor C, and the output module (10) outputs the gate drive signal Gn in response to the first voltage Vdd; and the boost module (30) is connected to a second end of the coupling capacitor C, and the boost module (30) is used for providing a second voltage for the second end of the coupling capacitor C, so as to couple and boost the first voltage Vdd. By means of the present drive circuit, the influence of aging of a TFT device can be reduced.
G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
A drive circuit and a display panel (100). The drive circuit comprises a light emission module (10), a switch module (20), a data drive module (30), a protection module (40) and a compensation module (50), wherein an output end of the switch module (20) is connected to the light emission module (10), an output end of the data drive module (30) is connected to an input end of the switch module (20), an output end of the protection module (40) is connected to the data drive module (30), and an output end of the compensation module (50) is connected to the output end of the data drive module (30) and the input end of the switch module (20).
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
27.
E-INK SCREEN AND CONTROL METHOD AND APPARATUS THEREFOR, AND COMPUTER READABLE STORAGE MEDIUM
An E-ink screen (10) and a control method and apparatus therefor, and a computer readable storage medium. The control method for the E-ink screen (10) comprises: within a preset time period, enabling a difference value between the number of times of a positive voltage refresh process and the number of times of a negative voltage refresh process corresponding to a target capsule (111) to be not greater than a preset difference value threshold. The positive voltage refresh process comprises: increasing the amplitude of a control voltage signal to a preset maximum positive voltage value, and then decreasing the amplitude of the control voltage signal, such that the target capsule (111) performs color display on the basis of the control voltage signal to complete refreshing of one frame. The negative voltage refresh process comprises: decreasing the amplitude of the control voltage signal to a preset maximum negative voltage value, and then increasing the amplitude of the control voltage signal, such that the target capsule (111) performs color display on the basis of the control voltage signal to complete refreshing of one frame. On the basis of the method, the afterimages of the E-ink screen (10) can be effectively reduced, and the display effect of the E-ink screen (10) is improved.
G09G 3/34 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source
G02F 1/1685 - Operation of cells; Circuit arrangements affecting the entire cell
Disclosed in the present application are a backlight module (20) and a display device (10). The backlight module (20) comprises a supporting frame (100), a lamp plate (200) and a plurality of LEDs (300), wherein the supporting frame (100) is provided with a lamp plate mounting recess (110); a heat dissipation port (120) is formed in each of at least two sides of the supporting frame (100); the lamp plate (200) is mounted in the lamp plate mounting recess (110); a cavity (210) is formed inside the lamp plate (200), and the cavity (210) is in communication with the heat dissipation ports (120); the LEDs (300) are arranged on the lamp plate (200); pins of the LEDs (300) extend into the cavity (210); and the supporting frame (100) and the lamp plate (200) form a supporting structure of the backlight module (20).
An array substrate (100), a display panel and a display apparatus. The array substrate (100) comprises a base substrate (10). The base substrate (10) comprises a display area (1) and a measurement area (3) located at the periphery of the display area (1). The display area (1) is provided with a plurality of color resists arranged in a first direction (X), one column of color resists among any two adjacent columns of color resists extending in a second direction (Y) to the measurement area (3), so as to form redundant color resists (31) in the measurement area (3), and the first direction (X) and the second direction (Y) being perpendicular to each other. The measurement area (3) is further provided with a reference identifier, and the reference identifier is arranged to determine an offset in the first direction (X) of the redundant color resists (31) relative to the reference identifier. The present application solves the problem in the prior art that widths and offsets of color resist blocks in display areas (1) cannot be accurately measured.
A driving circuit (2000) of a display panel, and a display apparatus (1), the driving circuit (2000) comprising voltage output modules (10, 10', 11). The voltage output modules (10, 10', 11) comprise voltage input ends (210, 211), voltage output ends (220, 221), detection modules (300, 301) and isolation modules (200, 201). The detection modules (300, 301) are electrically connected to the voltage input ends (210, 211), and the detection modules (300, 301) are used for outputting second control signals when voltage signals received by the voltage input ends (210, 211) are less than a preset voltage threshold. In response to the second control signals, the isolation modules (200, 201) cut off the electrical connection between the voltage input ends (210, 211) and the voltage output ends (220, 221), which can prevent the screen flickering phenomena during startup and shutdown.
G09G 3/3208 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
A display device (1) and a preparation method therefor. The display device (1) comprises a package member (11) and a plurality of display assemblies (12), wherein the package member (11) comprises a body (111) and a plurality of reinforcing portions (112) arranged at intervals on one side of the body (111), the plurality of reinforcing portions (112) and the body (111) enclosing a plurality of accommodating spaces (11a); each display assembly (12) corresponds to and is fixedly arranged in one accommodating space (11a), and light emitted from the display assembly (12) can pass through the package member (11); and the plurality of display assemblies (12) are fixedly arranged on the package member (11), which has the plurality of accommodating spaces (11a), and each display assembly (12) corresponds to one accommodating space (11a), so that a tiling gap between every two adjacent display assemblies (12) is narrowed, thereby improving the display performance of the display device (1).
G09F 9/302 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
G09F 9/33 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
The present application provides a display panel (100) and a drivr substrate (1) thereof. The drive substrate (1) is used for driving an inorganic light-emitting diode to emit light. The drive substrate (1) comprises a substrate (11) as well as a first insulating layer (122), an active layer (123), and an electrode layer (125) which are sequentially arranged on the substrate (11). The electrode layer (125) comprises a source electrode (1251) and a drain electrode (1252) which are arranged in the same layer. A light shielding portion is further comprised. The light shielding portion (13) is located between the electrode layer (125) and the substrate (11) and at least partially overlaps with the electrode layer (125). The light shielding portion (13) is spaced apart from the active layer (123) and penetrates the first insulating layer (122); and/or the light shielding portion (13) is at least partially located on the side of the electrode layer (125) away from the substrate (11) and covers the active layer (123). By means of arranging the light shielding portion (13) around the active layer (123) to shield from light emitted towards the active layer (123), the active layer (123) in the drive substrate (1) is prevented from being illuminated and thus causing changes in the characteristics of a thin film transistor (12).
H01L 27/12 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
G09F 9/33 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
The present application relates to the technical field of display. Disclosed are a display panel (10) and a display apparatus. The display panel (10) comprises a plurality of pixel electrodes (128), a common electrode (102), a common signal line (130), a detection line (150), and a processor (18). The detection line (150) is connected between a detection end of the processor (18) and the common signal line (130). The processor (18) is used for outputting a preset electrical signal by means of an output end within a first time period, and measuring the voltage of the common signal line (130) by means of the detection end; and the processor (18) is further used for outputting a compensation electrical signal by means of the output end within a second time period according to the voltage of the common signal line (130). In this way, a voltage change in a common electrode (102) of an array substrate (12) and a common electrode (102) of a color filter substrate (14) can be detected and compensated, such that the problem of horizontal crosstalk of the display panel (10) can be solved, and a display effect of the display panel (10) is improved.
G09G 3/36 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source using liquid crystals
A peep-proof control method for a liquid crystal display device, and a liquid crystal display device. The method comprises: receiving and detecting a picture display signal, which is required by a liquid crystal display device, wherein the picture display signal comprises a brightness signal and a peep-proof signal; and if it is detected that the peep-proof signal in the picture display signal is local peep-proof information, controlling, according to the brightness signal, a first switching occasion of a backlight working state of a lamp panel (20) in the liquid crystal display device to adapt to a second switching occasion of a diaphragm working state of an electronic-control liquid crystal diaphragm (50), so as to implement local peep-proof display of the liquid crystal display device.
A driving circuit, a driving method, and a display apparatus. The driving circuit comprises a control chip (100) and a driving chip (200) connected to each other. The driving circuit further comprises a sampling module (300) and a processing module (400). The sampling module (300) is used for collecting the output current of the driving chip (200) and converting same into a first voltage. The processing module (400) comprises a comparison unit (410), an analysis unit (420) and a compensation unit (430). The comparison unit (410) is used for comparing the first voltage with a threshold voltage. The analysis unit (420) is used for analyzing the comparison result of the comparison unit (410). The compensation unit (430) is used for updating a compensation parameter according to the analysis result of the analysis unit (420) and outputting the compensation parameter to the control chip (100). The driving circuit can mitigate or eliminate the regional mura phenomenon.
G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
36.
DRIVING COMPENSATION CIRCUIT, COMPENSATION METHOD, AND DISPLAY DEVICE
A driving compensation circuit (100, 200, 300), a compensation method, and a display device (1000), capable of avoiding the problem of afterimages in a display picture caused by different aging rates of different luminescent materials. A timing control module (40) of the driving compensation circuit (100, 200, 300) acquires display times of a plurality of display blocks of a display panel (10); a control module (50) obtains brightness attenuation differences according to the display times; a data compensation module (60) obtains compensation data according to the brightness attenuation differences; the timing control module (40) controls a driving module (70) according to the brightness attenuation differences to perform display compensation on corresponding display blocks according to the compensation data when the display panel (10) is in an unused state.
G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
37.
DRIVING METHOD AND MODULE FOR ELECTROPHORETIC DISPLAY PIXEL, AND DISPLAY DEVICE
A driving method and driving module for an electrophoretic display pixel, and a display device. The method comprises: acquiring a target grayscale value of an electrophoretic display pixel, determining a target pulse width according to the size of the target grayscale value, and generating a single-pulse data signal according to the target pulse width, wherein the single-pulse data signal is used for driving electrophoretic particles to move to a target position within a pulse duration of the single-pulse data signal; determining a single-pulse scanning signal according to the single-pulse data signal; and outputting the single-pulse data signal to an input end of a pixel circuit, and outputting the single-pulse scanning signal to a control end of the pixel circuit. The present solution can reduce the power consumption of a pixel scanning display process.
G09G 3/34 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source
Provided in the present application are a display panel and a manufacturing method therefor. The display panel comprises a substrate, a driving circuit layer, a planarization layer, a light-emitting element and a first covering layer which are successively stacked. A first electrode and a second electrode of the light-emitting element are electrically connected to a driving element and a common electrode of the driving circuit layer respectively; a first through hole and a second through hole of the first covering layer partially expose the driving element and the common electrode, are arranged at an interval and surround the side wall of the light-emitting element; the two through holes are filled with metal to form a first metal wall and a second metal wall, so that part of emergent light is emitted from one side of the substrate after being reflected by the two metal walls; and the first metal wall is electrically connected to the first electrode and the driving element, and the second metal wall is electrically connected to the second electrode and the common electrode. The display panel can improve the light transmittance and reduce the power consumption.
H01L 33/62 - Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
H01L 21/84 - Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being other than a semiconductor body, e.g. being an insulating body
The present application relates to the technical field of display. Disclosed are an OLED display panel and a display apparatus. The OLED display panel is provided with a first display area (1). The first display area (1) comprises a light-transmitting area (12) and a plurality of first pixel units (11) arranged in an array, wherein each first pixel unit (11) comprises an anode layer (111), a hole transport layer (112), a laminated light-emitting layer (113), an electron transport layer (114) and a cathode layer (115), which are sequentially arranged in a stacked manner; and the laminated light-emitting layer (113) comprises at least two light-emitting sub-layers (1131) arranged in a stacked manner, and the light-emitting sub-layers (1131) simultaneously emit light when the anode layer (111) and the cathode layer (115) are energized.
Disclosed are a backlight module (30) and a display device (10). The backlight module (30) comprises a backplane (400) and a light panel (300), wherein the light panel (300) is arranged on the backplane (400), and a cavity is formed between the backplane (400) and the light panel (300). The backlight module (30) further comprises a thermal radiation material layer (600), the thermal radiation material layer (600) being arranged in the cavity and being attached to one side of the light panel (300) facing the backplane (400), and a gap being provided between the thermal radiation material layer (600) and the backplane (400).
The present application discloses a display panel and a compensation method therefor. The display panel (100) comprises a first base substrate (101), a plurality of active light-emitting units (110) arranged in an array, a detection electrode (120), a detection circuit, and a compensation circuit. The detection electrode (120) and a cathode layer (111) are oppositely arranged and form a capacitor; the detection circuit is used for detecting a voltage signal on the detection electrode (120), calculating a voltage anomaly region of the detection electrode (120), and outputting a compensation signal; and the compensation circuit is used for receiving the compensation signal and performing voltage compensation on a region of the cathode layer (111) corresponding to the voltage anomaly region.
G09G 3/3208 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
G09G 3/3258 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the voltage across the light-emitting element
G09G 3/00 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
The present application discloses a backlight module (100) and a display apparatus (10). The backlight module (100) comprises a backplane (110), a lamp panel (120) and a plurality of lamp beads (130); the lamp panel (120) is disposed opposite to the backplane (110); the plurality of lamp beads (130) are arranged on the side of the lamp panel (120) distant from the backplane (110); and the backplane (110) comprises a backplane body (111), at least one slot (112), and a thermally conductive adhesive (113).
The present application discloses a pixel driving circuit, and a display panel and a control method therefor. The pixel driving circuit comprises: a signal generation module (10), wherein an input end of the signal generation module (10) is connected to a scanning line (L1), and the signal generation module (10) is used for generating a second scanning signal according to a first scanning signal and outputting the second scanning signal from a first output end; and a light emitting driving module (20), wherein a first controlled end, a second controlled end, and a third controlled end of the light emitting driving module (20) are connected to the scanning line (L1), a data line (L2), and the first output end of the signal generation module (10) in one-to-one correspondence.
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
44.
BACKPLANE FOR BACKLIGHT MODULE, BACKLIGHT MODULE AND DISPLAY DEVICE
Disclosed are a backplane (100) for a backlight module (20), a backlight module (20) and a display device (10). The backlight module (20) comprises a backplane (100) and a light panel (200) arranged on the backplane (100), wherein at least one sinking heat dissipation channel (110) is provided on the side of the backplane (100) facing the light panel (200); the backplane (100) comprises at least one air inlet (120) and at least one air outlet (130); and the air inlet (120) and the air outlet (130) pass through the backplane (100) and are connected to both ends of the heat dissipation channel (110).
A pixel driving circuit (100) and a display panel. The pixel driving circuit (100), during a reset stage, charges via a pre-charging loop (L1) the voltage of a first end of a bootstrap capacitor (C2) to a driving voltage (VDD); during a data writing stage, receives a data voltage (Vdata) via the bootstrap capacitor (C2) and charges an energy storage capacitor (C1) via the bootstrap capacitor (C2) so as to regulate the voltage of the control end of a driving transistor (M) to a second voltage; and during a light-emitting stage, enables the driving transistor (M) to drive, on the basis of the second voltage and the driving voltage (VDD), a light-emitting element (OLED) to emit light, thereby eliminating the phenomena of uneven display brightness.
G09G 3/3258 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the voltage across the light-emitting element
The present application provides a display panel. The display panel comprises a counter substrate and an array substrate. The counter substrate is provided with a plurality of opening regions arranged in an array and a non-opening region between adjacent opening regions. The array substrate comprises a first substrate and a plurality of electrophoresis units arranged on the first substrate. Each electrophoresis unit corresponds to an opening region. Each electrophoresis unit comprises: an annular support column, a pixel electrode, a common electrode and electrophoretic particles. The orthographic projection of the annular support column on the counter substrate is located in the non-opening region, and surrounds the opening region. The annular support column defines an accommodating space. The pixel electrode and the common electrode are arranged on two opposite sides of the annular support column in a horizontal direction, and thus a horizontal electric field can be generated. A plurality of electrophoretic particles are arranged in the accommodating space of the annular support column, and the electrophoretic particles can horizontally move under the driving of the horizontal electric field formed between the pixel electrode and the common electrode.
A driving method and driving apparatus (40) for a display panel (60). The driving method comprises: receiving a video signal sent by an external processor (50) (S11); when a first grayscale value of the current row of pixels of a display panel (60) that corresponds to the video signal is greater than a set grayscale value, sending a first scanning signal to the current row of pixels (S12); sending a second scanning signal to the next row of pixels of the display panel (60) (S13); and sending a data signal to the display panel (60) on the basis of the first grayscale value, so as to drive the display panel (60) to display the video signal (S14), wherein the first scanning signal is at a high level within a current-row scanning period and has a high level for a first time width within a next-row scanning period, the second scanning signal is at a high level within the next-row scanning period, the data signal has a low level for a second time width within the current-row scanning period, and the sum of the first time width and the second time width corresponds to the first grayscale value. The refresh rate of high-grayscale display can be increased, such that the image quality of high-grayscale display can be improved.
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
48.
PIXEL DRIVING CIRCUIT, AND DISPLAY PANEL AND DRIVING METHOD THEREFOR
A pixel driving circuit, and a display panel and a driving method therefor. The pixel driving circuit comprises a first electrode (10) and a second electrode (20); the first electrode (10) and the second electrode (20) are used for forming an electric field for driving electrophoretic particles (720) to move; the second electrode (20) is connected to a common terminal (Vcom), and the common terminal (Vcom) provides a common voltage to the second electrode (20); a first power supply module (30), a second power supply module (40), and a maintenance module (50) are all connected to the first electrode (10), and respectively output a first voltage, a second voltage, and a maintaining voltage to the first electrode (10); the first voltage is less than the common voltage, and the second voltage is greater than the common voltage; and at a same time, only one of the first power supply module (30), the second power supply module (40), and the maintenance module (50) supplies power to the first electrode (10). The electrophoretic particles (720) can be effectively driven to move.
G09G 3/34 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source
A pixel driving circuit and a display panel. The pixel driving circuit comprises a driving transistor, wherein a first end of the driving transistor is connected to a power supply end, a second end thereof is connected to a light-emitting unit, and a control end thereof is used for providing, in response to a data signal, a voltage of the power supply end to the light-emitting unit; a storage capacitor, wherein one end of the storage capacitor is connected to the control end of the driving transistor, and the other end thereof is connected to the first end of the driving transistor; and a first initialization unit, a second initialization unit and a third initialization unit, which are respectively used for providing initialization signals to the first end, second end and control end of the driving transistor in response to corresponding scanning signals. The solution can alleviate the flickering phenomenon.
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
50.
PIXEL ARRANGEMENT STRUCTURE, DISPLAY PANEL, AND MASK ASSEMBLY
The present application relates to a pixel arrangement structure, a display panel, and a mask assembly. The pixel arrangement structure comprises a plurality of repeating pixel units (PU), and each repeating pixel unit (PU) comprises a red sub-pixel (R), green sub-pixels (G) and a blue sub-pixel (B), wherein the plurality of repeating pixel units (PU) are aligned and distributed in rows and columns, and in each repeating pixel unit (PU), the light-emitting area of the red sub-pixel (R) is greater than the light-emitting area of the green sub-pixels (G) and less than or equal to the light-emitting area of the blue sub-pixel (B). The pixel arrangement structure ensures the service life of a display panel and also has a high pixel aperture ratio.
The present application relates to an array substrate and a preparation method therefor, and a display apparatus. The array substrate (1) comprises a base substrate (10), and a cushioning layer (12), a semiconductor layer (13), a gate insulating layer (14), a gate layer (15) and a passivation layer (16) which are sequentially formed on the base substrate (10). The array substrate (1) further comprises: a modulation layer (11) comprising a source (S) and a drain (D) distributed at an interval. The semiconductor layer (13) comprises a first conductive region (131), a channel region (130) and a second conductive region (132), and the channel region (130) is located between the first conductive region (131) and the second conductive region (132); the first conductive region (131) is electrically connected to the source (S) by means of a first via hole (H1) formed in the cushioning layer (12), and the second conductive region (132) is electrically connected to the drain (D) by means of a second via hole (H2) formed in the cushioning layer (12); the gate insulating layer (14) is located on the channel region (130), and the gate layer (15) is located on the gate insulating layer (14); and the passivation layer (16) is located on the gate layer (15), the first conductive region (131), the second conductive region (132), and the cushioning layer (12). The array substrate can reduce coupling capacitance between a gate and the source and coupling capacitance between the gate and the drain, and improve the flatness of an electrode layer.
Provided in the present application are a display panel and a preparation method. The display panel comprises a substrate, a driving circuit layer, a plurality of light-emitting units and a black matrix layer, wherein the black matrix layer is located between adjacent light-emitting units; the light-emitting units are arranged staggered with driving elements, common electrodes and signal traces; and light-emitting elements emit light towards quantum dot layers, thereby exciting the quantum dot layers to emit light. Provided in the embodiments of the present application is a full-color display panel, which emits light towards a substrate. Moreover, electrodes of driving transistors and/or switching transistors are improved, such that when the light-emitting units emit light towards the substrate, the influence of the emergent light on active portions of the driving transistors and/or active portions of the switching transistors is reduced by means of the improved electrodes of the driving transistors and/or the switching transistors, thereby improving the light emission effect of the display panel provided in the embodiments of the present application, and reducing the influence of emergent light on a device of the display panel.
H01L 27/12 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
H01L 27/15 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier, specially adapted for light emission
H01L 21/84 - Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being other than a semiconductor body, e.g. being an insulating body
53.
DISPLAY PANEL, DISPLAY APPARATUS, AND PREPARATION METHOD FOR DISPLAY PANEL
Disclosed in the present application are a display panel (100), a display apparatus (10), and a preparation method for a display panel (100). A base substrate (200), an anode (300), a pixel definition layer (400), a light-emitting layer (500) and a cathode (600) are arranged in sequence, and the cathode (600) covers the light-emitting layer (500) and the pixel definition layer (400); a filter layer (700) is arranged on the side of the cathode (600) that is away from the base substrate (200); and a second light-emitting region (520) corresponds to a blue color resistor (730), and the second light-emitting region (520) comprises a blue light-emitting layer (521) made of a blue light-emitting material.
A backlight driving circuit (100), comprising an energy supply module (10) and a current adjustment module (20). The current adjustment module (20) measures the light-emitting brightness of first light-emitting columns (400) and/or second light-emitting columns (500) to obtain a detection current, and compares the detection current with a mode switching current. The current adjustment module (20) selectively controls the first light-emitting columns (400) and the second light-emitting columns (500) to be electrically connected to first connecting lines (70) simultaneously, or controls the first light-emitting columns (400) to be electrically connected to second connecting lines (80) and controls the second light-emitting columns (500) to be electrically connected to the second connecting lines (80).
G09G 3/34 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source
G09G 3/36 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source using liquid crystals
The present application provides a display panel 1 and a display apparatus 1000. The display panel 1 comprises a first bent portion 11 and a body portion 13, which are connected. The display panel 1 is provided with a first area 21 and a second area 22, wherein part of the first area 21 is arranged corresponding to the first bent portion 11, and the second area 22 is arranged corresponding to the body portion 13. The display panel 1 further comprises a plurality of first light-emitting units 31 and a plurality of second light-emitting units 32, wherein the plurality of first light-emitting units 31 are arranged in the first area 21, and the first light-emitting units 31 have a first light emission area; the plurality of second light-emitting units 32 are arranged in the second area 22, and the second light-emitting units 32 have a second light emission area; the first light emission area is smaller than the second light emission area; and the density of the first light-emitting units 31, which are in the first area 21, is greater than the density of the second light-emitting units 32, which are in the second area 22. With regard to the display panel 1 in the present application, the phenomenon of a green or purple edge being easily generated at a high-curvature position in the display panel 1, etc., can be avoided.
A data driving circuit (11), a display module (10), and a method for outputting a driving signal. A data processing unit (111) outputs a data clock signal (DCLK) and a data signal (Data), and a grayscale clock generation unit (112) outputs, according to the data clock signal (DCLK), a grayscale clock signal (GCLK) comprising a first grayscale area (GL) and a second grayscale area (GH), the grayscale pulse duration in the first grayscale area (GL) being greater than the grayscale pulse duration in the second grayscale area (GH). The color cast of a display panel (13) is mitigated by controlling the duration of a grayscale pulse, thereby improving the display effect.
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
57.
DRIVING CIRCUIT, DISPLAY MODULE, AND DISPLAY APPARATUS
A driving circuit (11), a display module (10), and a display apparatus (100). First switch output ends (52) or second switch output ends (53) of a switch unit (50) are selectively electrically connected to scanning signal input ends (61) according to a control signal, so that scanning signals are selectively transmitted to a pixel array unit (60). A charge release unit (70) releases at least part of the charge of parasitic capacitance generated by the pixel array unit (60). The driving circuit (11) controls normal transmission of the scanning signals to the pixel array unit (60) during line scanning, thereby avoiding a persistence abnormality caused by scanning signal charges remaining during a line scanning switching period continuing generating parasitic capacitance.
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
G09G 3/3225 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
G09G 3/36 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source using liquid crystals
The present application relates to a display panel (13), a display module (10) and a display device (100). The area of a first color pixel (R) and the area of a second color pixel (G) in the display panel (13) are equal, the area of a third color pixel (B) is twice that of the first color pixel (R), and a first sub-pixel part (B1) and a second sub-pixel part (B2) of the third color pixel (B) are respectively adjacent to the first color pixel (R) and the second color pixel (G). The area of the third color pixel (B) is expanded to reduce the current density through the unit area of the third color pixel (B), thereby prolonging the service life of the third color pixel (B).
H01L 27/00 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
A display panel (100) and a display module (10). The display module (10) comprises an electronic paper assembly (110), a photovoltaic panel (120) and a circuit board (200), wherein the photovoltaic panel (120) comprises a light-transmitting region (121) and a light energy conversion region (125), the electronic paper assembly (110) is arranged corresponding to the light-transmitting region (121), the circuit board (200) is connected to the electronic paper assembly (110), the circuit board (200) is provided with a photovoltaic converter (210), the photovoltaic converter (210) is connected to the photovoltaic panel (120), the photovoltaic converter (210) is directly connected to the electronic paper assembly (110), and the electronic paper assembly (110) is powered only by a photovoltaic conversion region (125).
G02F 1/167 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
The present application discloses a backlight module (100), a display device (10), and an assembling method for the display device (10). The backlight module (100) comprises a back plate (100), a middle frame (120), and an adhesive (130); the middle frame (120) is arranged on the back plate (100); a first adhesive accommodating groove (140) is formed between the back plate (100) and the middle frame (120); at least one adhesive passing hole (150) is formed in the middle frame (120); and one end of the adhesive passing hole (150) is communicated with the first adhesive accommodating groove (140), and the other end of the adhesive passing hole (150) forms an opening at the top of the middle frame (120).
A driving circuit (11), a display module (10), and a display device (100). When receiving a first power supply voltage (Vdd), under the control of a scanning signal (Scan) and a data signal (Data), a display driving module (40) transmits the first power supply voltage (Vdd) to a light-emitting element (41) to drive the light-emitting element (41) to emit light. A discharge control module (50) receives the first power supply voltage and adjusts, when the first power supply voltage (Vdd) drops, the potential of the scanning signal (Scan) to discharge the light-emitting element (41). The driving circuit (11) can adjust a transmission timing of the first power supply voltage (Vdd), thereby avoiding the phenomenon of flickering during turn-on/turn-off caused by the display driving module (40).
G09G 3/3208 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
G09G 3/3225 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
A display panel (100) and a display device. The display panel (100) comprises a first substrate (110). The first substrate (110) comprises a first base (111) and a leveling layer (112), wherein the surface of the leveling layer (112) close to a liquid crystal layer (150) is provided with a textile structure; the textile structure comprises at least a groove textile (114), an included angle being formed between the extension direction of the groove textile (114) and a bottom edge (110a) of the first substrate, and the included angle being greater than or equal to 45 degrees and being less than or equal to 135 degrees; and a liquid crystal material in the liquid crystal layer (150) is diffused, by means of the groove textile (114) and on the basis of a capillary phenomenon, in the extension direction of the groove textile (114), such that the problem of gravity mura is solved.
The present application provides a display panel manufacturing method and a display panel. The display panel manufacturing method comprises: forming a substrate 10; forming a bearing layer 20 and a reflective layer 30 on one side of the substrate 10; forming, on the side of the bearing layer 20 facing away from the substrate 10, a thin film transistor array layer 40 and a light-emitting layer 50 which are stacked, wherein the thin film transistor array layer 40 comprises a plurality of thin film transistors 41, and a semiconductor layer 411 of the thin film transistors 41 is arranged corresponding to the reflective layer 30; and irradiating the side of the substrate 10 facing away from the reflective layer 30 with preset light, so that the bearing layer 20 is stripped from the substrate 10. In the display panel manufacturing method of the present application, the semiconductor layer 411 would not be irradiated with the preset light, so that the grain size and the lattice structure of the semiconductor layer 411 are maintained unchanged, thereby ensuring that a current when the thin film transistors 41 at different positions are turned on is maintained consistent, improving the brightness uniformity of a display panel 1, and improving the display uniformity of a displayed picture of the display panel 1.
H01L 21/84 - Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being other than a semiconductor body, e.g. being an insulating body
A display driving circuit and a display apparatus. The display driving circuit comprises a plurality of pixel circuits (11), wherein a data end of each pixel circuit (11) is connected to a corresponding data line, and the data line is used for providing a data signal; a gate end of each pixel circuit (11) is connected to a corresponding gate line, and the gate line is used for providing a gate signal; power source ends of N1 pixel circuits (11) among the plurality of pixel circuits (11) are all connected to the same first common line (12), the first common line (12) is used for providing a power source voltage signal, and N1 is greater than 1 and is not greater than a first sharing quantity; the first sharing quantity is negatively correlated with characteristic parameters of thin-film field effect transistors in the pixel circuits (11), the current in a pixel circuit (11) among the N1 pixel circuits (11), and the resistance of a power source voltage signal line between adjacent pixel circuits (11) among the N1 pixel circuits (11), and the characteristic parameters of the thin-film field effect transistors are positively correlated with channel width-to-length ratios of the thin-film field effect transistors. On this basis, the display effect of a display apparatus can be effectively improved.
G09G 3/3208 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
65.
DISPLAY PANEL AND ENCAPSULATION METHOD THEREFOR, AND DISPLAY APPARATUS
Disclosed in the present application are a display panel and an encapsulation method therefor, and a display apparatus. The display panel comprises a display panel main body, wherein the display panel main body comprises a display area and an encapsulation area. The display panel further comprises a deformation detection apparatus, wherein the deformation detection apparatus comprises: an electroluminescent display module, which comprises one or more electroluminescent display units; and a piezoelectric module, which is arranged on the surface of at least one deformable functional layer included in the display panel main body and is located in the encapsulation area. The piezoelectric module comprises two or more piezoelectric units, at least two piezoelectric units are arranged spaced apart from each other on the surface of the same deformable functional layer, two adjacent piezoelectric units have a voltage difference, and the two piezoelectric units are connected in series by means of one electroluminescent display unit. In the present application, whether a display panel deforms can be detected in real time by means of a deformation detection apparatus included in the display panel.
G02F 1/13 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
G01L 1/16 - Measuring force or stress, in general using properties of piezoelectric devices
66.
SCANNING DRIVING CIRCUIT, ARRAY SUBSTRATE, AND DISPLAY PANEL
A scanning driving circuit (15), an array substrate (1), and a display panel. The scanning driving circuit (15) comprises N cascaded GDL circuits; an nth GDL circuit comprises: a pull-up control module (1511), an output module (1512), a first pull-down control module (1513), a second pull-down control module (1514), a pull-down module (1515), and a first node; the output module (1512) is used for outputting an nth-stage level transmission signal and an nth-stage scanning signal according to an inputted clock signal when the potential of the first node is a first potential, and stopping outputting the nth-stage level transmission signal and the nth-stage scanning signal when the potential of the first node is a second potential; a time period when the clock signal maintains a high potential comprises a first time period and a second time period; the clock signal maintains a first high potential in the first time period, and maintains a second high potential in the second time period, the second high potential being higher than the first high potential; thus, the stability of the GDL circuits can be improved.
G09G 3/36 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source using liquid crystals
Provided are a display driving circuit (10) and a display device (30). The display driving circuit (10) comprises a plurality of pixel circuits (11); a data end of each pixel circuit (11) is connected to a corresponding data line (DATA), and the data line (DATA) is used for providing a data signal; a gate end of each pixel circuit (11) is connected to a corresponding gate line (GATE), and the gate line (GATE) is used for providing a gate signal; power ends of the plurality of pixel circuits (11) are connected to a same common power line (VDD); the plurality of pixel circuits (11) are divided into at least one first pixel circuit (111) and at least one second pixel circuit (112), and light-emitting efficiency of the first pixel circuit (111) is less than light-emitting efficiency of the second pixel circuit (112), and a width-to-length ratio of a channel of a thin-film field effect transistor in a driving module of the first pixel circuit (111) is greater than a width-to-length ratio of a channel of a thin-film field effect transistor in a driving module of the second pixel circuit (112). Based on the above, a display effect of the display device (30) can be effectively improved.
G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
G09G 3/3225 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
68.
PIXEL COMPENSATION METHOD, PIXEL COMPENSATION DEVICE AND DISPLAY DEVICE
A pixel compensation method, a pixel compensation device and a display device. The pixel compensation method comprises: determining an actual driving digital voltage of each organic light-emitting sub-pixel (201a) in a detection row (S100); performing mean value calculation on the basis of the actual driving digital voltage of each organic light-emitting sub-pixel (201a) in the detection row so as to determine an average driving digital voltage corresponding to the detection row (S102); calculating voltage difference values between the actual driving digital voltage of each organic light-emitting sub-pixel (201a) in the detection row and the average driving digital voltage, and performing statistics on the respective voltage difference values to form a voltage difference value set (S104); and when the absolute value of the maximum voltage difference value in the voltage difference value set is greater than or equal to a target threshold, outputting, to each organic light-emitting sub-pixel (201a) in the detection row, data compensation analog voltages corresponding thereto (S106).
G09G 3/3275 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] - Details of drivers for data electrodes
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
69.
DISPLAY DEVICE, SOURCE CHIP ON FILM, AND DRIVING METHOD
A display device (500), a source chip on film, and a driving method. The display device (500) comprises a first source chip on film (300) and a second source chip on film (400). The first source chip on film (300) and the second source chip on film (400) are both connected to a printed circuit board (200) and a display panel (100). The first source chip on film (300) comprises a first source driver IC (320) and a first timing control IC (310). The second source chip on film (400) comprises a second source driver IC (420). The first timing control IC (310) receives a signal to be parsed which is outputted by the printed circuit board (200), and parses, generates and outputs a first parsed signal and a second parsed signal. The first source driver IC (320) and the second source driver IC (420) simultaneously drive the display panel (100) according to the first parsed signal and the second parsed signal. The display device (500) can display a high resolution when employing a Tconless framework.
G09G 3/3208 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
G09G 3/36 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source using liquid crystals
The present application provides a control circuit and a display device. The control circuit comprises a first switch; a first end of the first switch is used for receiving a turn-off voltage signal; a second end of the first switch is used for outputting the turn-off voltage signal when the first switch is turned on; the turn-off voltage signal is used for turning off an array substrate. The control circuit further comprises a regulation module (4); the regulation module (4) comprises a temperature measurement unit (401) and a regulation unit (402); and the regulation unit (402) is respectively connected to the temperature measurement unit (401) and the first switch. The temperature measurement unit (401) is used for measuring the temperature of the array substrate, and determining a compensation voltage according to the temperature of the array substrate; and the regulation unit (402) is used for regulating a voltage of the turn-off voltage signal according to the compensation voltage.
G09G 3/36 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source using liquid crystals
71.
COMPENSATION CIRCUIT, CONTROL CHIP AND DISPLAY APPARATUS
A compensation circuit (2), a control chip and a display apparatus. The compensation circuit (2) is applied to a driving circuit (1), wherein the driving circuit (1) comprises a first thin film transistor (T1), a second thin film transistor (T2), an organic light-emitting diode (OLED) and a capacitor (C). The compensation circuit (2) comprises a third thin film transistor (T3) and a detection module (201), wherein a control electrode (T3a) of the third thin film transistor (T3) is used for connecting to a second electrode (T2c) of the second thin film transistor (T2); a first electrode (T3b) of the third thin film transistor (T3) is used for connecting to a control electrode (T2a) of the second thin film transistor (T2); the detection module (201) is connected to a second electrode (T3c) of the third thin film transistor (T3), a scanning line (Scan) and a data line (Data); and the detection module (201) is used for being turned off and turned on upon receiving two adjacent voltage signals which are output by the second electrode (T3c) of the third thin film transistor (T3). The compensation circuit (2) has a simple line connection, and solves the problem of the light-emission rate of an OLED panel being relatively low due to threshold voltage drifting of the OLED panel, thereby guaranteeing the light-emission rate of the OLED panel.
G09G 3/3208 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
G09G 3/3225 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
72.
PIXEL DRIVING CIRCUIT, PIXEL DRIVING METHOD, AND DISPLAY PANEL
The present disclosure relates to a pixel driving circuit, a pixel driving method, and a display panel. The pixel driving circuit comprises a first pixel circuit and a second pixel circuit, wherein the first pixel circuit and the second pixel circuit are respectively connected to a first scan line and a second scan line, and a first data line and a second data line, which have opposite polarities. The pixel driving circuit further comprises a charge sharing switch, wherein a control end of the charge sharing switch is connected to the second scan line, a first end of the charge sharing switch is connected to the first pixel circuit, and a second end of the charge sharing switch is connected to the second pixel circuit.
G09G 3/3208 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
73.
DISPLAY PANEL, DISPLAY SCREEN, AND MANUFACTURING METHOD FOR DISPLAY SCREEN
The present application aims to provide a display panel, a display screen, and a manufacturing method for a display screen. The display panel comprises a light-emitting assembly, a driving assembly, a plurality of first conductive members, and a plurality of second conductive members; the light-emitting assembly comprises a plurality of light-emitting units; each light-emitting unit comprises a first electrode and a second electrode which are arranged at intervals, and the first electrode surrounds the second electrode; the driving assembly comprises a plurality of driving units; one driving unit is arranged corresponding to one light-emitting unit; different driving units correspond to different light-emitting units; each driving unit comprises a third electrode and a fourth electrode which are arranged at intervals, and the third electrode surrounds the fourth electrode; each first conductive member is connected to the first electrode and the third electrode; and each second conductive member is connected to the second electrode and the fourth electrode. According to the present application, the probability that the driving assembly is electrically connected to the light-emitting assembly is larger, thereby facilitating improvement of the manufacturing yield of the display panel, and further improving the manufacturing yield of a Mini LED display screen and a Micro LED display screen.
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 25/16 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices the devices being of types provided for in two or more different main groups of groups , or in a single subclass of , , e.g. forming hybrid circuits
74.
PIXEL DRIVING CIRCUIT OF DISPLAY PANEL, AND DRIVING METHOD AND DISPLAY APPARATUS
A pixel driving circuit (22), a driving method, and a display apparatus (20). The pixel driving circuit (22) comprises a pixel driving module, which is coupled to pixel elements (OLED) of two adjacent pixel columns, wherein a driving voltage is written into the pixel elements (OLED) by means of the control of a driving switch (DTFT); and the pixel driving module comprises: a data line (Data); a first gating unit (1), with one end being coupled to the data line (Data), and the other end being coupled to one of the adjacent pixel elements (OLED); and a second gating unit (2), with one end being coupled to the data line (Data), and the other end being coupled to another one of the adjacent pixel elements (OLED).
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
75.
ORGANIC LIGHT-EMITTING DIODE CONTROL CIRCUIT AND DISPLAY PANEL
An organic light-emitting diode (OLED) control circuit and a display panel. The OLED control circuit comprises an OLED, an input control module (10) and a protection module (20); the input control module (10) is used for being turned on in response to a scan signal provided by a scan line (Scan) and controlling operation of the OLED on the basis of a data signal provided by a data line (Data); the protection module (20) can detect a current passing through the OLED or a voltage across the OLED, and when the current passing through the OLED or the voltage across the OLED is greater than a preset value, controlling the input control module (10) to cut off power supply of the OLED.
G09G 3/3233 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
The present invention relates to a display panel and a display device, comprising a display area and a non-display area surrounding the display area. The display area comprises multiple display lines and multiple display subpixels arranged in an array; the non-display area further comprises dummy subpixels, a driving chip, feedback lines, and compensation lines; the driving chip is used for acquiring current signals of light-emitting elements in the dummy subpixels by means of the feedback lines and generating a compensation signal when the current signals fed back by the feedback lines is not equal to a preset threshold; the compensation signal is input into pixel driving circuits of the dummy subpixels by means of the compensation lines so as to compensate for the light-emitting elements of the dummy subpixels; and the driving chip is further used for generating a display compensation signal on the basis of the compensation signal when the compensation signal enables the current signals fed back by the feedback lines to be equal to the preset threshold, and transmitting the display compensation signal to pixel driving circuits of display subpixels by means of the display lines.
H01L 27/12 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
G09G 3/3233 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
77.
PIXEL CIRCUIT, PIXEL DRIVING METHOD, AND DISPLAY DEVICE
The present disclosure relates to a pixel circuit, a pixel circuit driving method, and a display device. The pixel circuit comprises a light-emitting element, a capacitor structure, a driving transistor, and first to fourth switching elements; the first switching element is used for responding to a first scanning signal so as to connect, to a first end of the capacitor structure, a data line used for providing a data signal; the second switching element is used for responding to a second scanning signal so as to connect a first end of the driving transistor to a control end of the driving transistor and a second end of the capacitor structure, respectively; the third switching element is used for responding to a third scanning signal so as to connect a second end of the driving transistor to a first end of the light-emitting element; and the fourth switching element is used for responding to a fourth scanning signal so as to connect a first power supply signal end to the first end of the driving transistor.
G09G 3/3233 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
A drive circuit for a pixel unit, and a display panel. In the drive circuit, a switch module (300) controls the turning-on/turning-off between a light-emitting unit (100) and a pre-charging module (500) according to a row scanning signal which is transmitted by a main control module (200); when the light-emitting unit (100) is disconnected from the pre-charging module (500), a trigger module (400) respectively controls the turning-on/turning-off between a power supply unit (600) and the pre-charging module (500), and between a pre-charging power supply unit (700) and the pre-charging module (500) according to the row scanning signal, which is transmitted by the main control module (200); and when the light-emitting unit (100) is in communication with the pre-charging module (500), the light-emitting unit (100) performs light emission and display by means of a power supply voltage (Vdd), which is transmitted by the power supply unit (600) by means of the pre-charging module (500), and a pre-charging voltage (Va), which is generated after the pre-charging module (500) is in communication with the pre-charging power supply unit (700).
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
79.
COMMON VOLTAGE CORRECTION CIRCUIT, DISPLAY PANEL, AND DISPLAY APPARATUS
Disclosed are a common voltage correction circuit, a display panel, and a display apparatus. The common voltage correction circuit comprises: an offset detection circuit (10), which is used for determining, according to a first preset grayscale voltage and a second preset grayscale voltage, a direct-current offset degree of two ends of a liquid crystal layer under the influence of an ambient temperature, and outputting an offset detection signal; and a correction voltage generation circuit (20), which is used for generating a corresponding correction voltage according to the offset detection signal, and outputting the correction voltage to a common electrode wire (40), so as to correct a common voltage (Vcom), which is received by the common electrode wire (40), until the direct-current offset degree of the two ends of the liquid crystal layer, which is under the influence of the ambient temperature, is eliminated.
G09G 3/36 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source using liquid crystals
A drive control circuit and a display device. The drive control circuit comprises a first drive circuit (10), a second drive circuit (20), a comparison circuit (30), and an adjustment circuit (40); an input end of the first drive circuit (10) is electrically connected to a first power supply (Vdd1) and the first drive circuit is used for outputting a first drive current to a first light-emitting element; an input end of the second drive circuit (20) is electrically connected to a second power supply (Vdd2) and the second drive circuit is used for outputting a second drive current to a second light-emitting element; the comparison circuit (30) is separately electrically connected to an output end of the first drive circuit (10) and an output end of the second drive circuit (20), and the comparison circuit is used for comparing the first drive current with the second drive current and outputting a comparison result to the adjustment circuit (40); and the adjustment circuit (40) is used for adjusting current(s) of the first power supply (Vdd1) and/or the second power supply (Vdd2) according to the comparison result. The drive control circuit of the display device can enable the first drive current and the second drive current to tend to be consistent, and can enable the light-emitting brightness of the light-emitting elements in the display device to be more uniform without increasing wirings of a display panel of the display device and thin film transistors, thereby improving the display effect of the display device.
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
G09G 3/3233 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
A backlight module (1) and a display apparatus. The backlight module (1) comprises a back plate (11), a reflective sheet (12), a brightness enhancement film (13), a magneto-optical medium film (14) and a magnetic member (15). The magnetic member (15) is located between the back plate (11) and the reflective sheet (12); the magneto-optical medium film (14) is located between the magnetic member (15) and the brightness enhancement film (13); the brightness enhancement film (13) is used for transmitting linearly polarized light in a first direction (X) and reflecting linearly polarized light in a second direction (Y); the magnetic member (15) is used for generating a magnetic field parallel to the first direction (X), such that the polarization direction of the linearly polarized light in the second direction (Y) rotates after the linearly polarized light in the second direction (Y) passes through the magneto-optical medium film (14) located in the magnetic field; and the reflective sheet (12) is used for reflecting the rotated linearly polarized light, wherein the first direction (X) is the light exit direction of the backlight module (1), and the second direction (Y) is perpendicular to the first direction (X). The efficiency of transmitting polarized light by the brightness enhancement film (13) is improved, the waste caused by absorption of the light by film layers is reduced, and thus the backlight utilization rate is improved.
An array substrate, a liquid crystal display panel, and a control method. The array substrate (1) comprises a plurality of connecting line assemblies (20) and a driver (30), each connecting line assembly (20) comprises a wiring group (22) and a collection module (21), and the collection module (21) is configured to detect electrical parameters of each wiring group (20) and feed same back to the driver (30). In the present application, an input voltage can be adjusted according to the impedance of each wiring group (20), so that driving voltages of data lines or scanning lines are the same, thereby improving the display uniformity.
G02F 1/136 - Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
G09G 3/36 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source using liquid crystals
The present application provides a pixel driving circuit and a display panel. The pixel driving circuit (100) comprises a light-emitting element (OLED), a driving transistor (M), a reset loop (L1), a pre-charging module (10), and a threshold compensation loop (L2); the driving transistor (M) is connected in series with the light-emitting element (OLED); the reset loop (L1) is turned on at a reset stage to reset the control end of the driving transistor (M); a second capacitor (C2) is electrically connected to the control end of a first switching tube (T1); the pre-charging module (10) charges the voltage of the second capacitor (C2) to a first voltage at the reset stage; and the voltage of the control end of the first switching tube (T1) continues to rise from the first voltage on the basis of a first scanning signal, so as to turn on the threshold compensation loop (L2).
G09G 3/3208 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
G09G 3/3233 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
G09G 3/3225 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
84.
DRIVING CIRCUIT OF DISPLAY UNIT, METHOD, AND DISPLAY APPARATUS
A driving circuit (9) of a display unit (7), a method, and a display apparatus. According to the driving circuit (9) of the display unit (7), a pre-charging circuit (5) is provided in the driving circuit (9) of the display unit (7), and a storage circuit (4) is pre-charged according to a first pre-charging signal, so as to improve the charging efficiency of the storage circuit (4), thereby improving the response speed of the storage circuit (4), and achieving the effect of improving the response speed of the display unit (7). Meanwhile, when a control circuit (3) turns on a starting circuit (2), a second pre-charging signal is outputted by means of a signal output circuit (6) to pre-charge at least one target pre-charging circuit (8), thereby improving the charging efficiency of the display unit (7) corresponding to the target pre-charging circuit (8).
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
85.
CONTROL CIRCUIT, CONTROL METHOD AND DISPLAY APPARATUS
A control circuit, a control method, and a display apparatus. The control circuit comprises a sampling module (1), a switching module (2) and a working power supply (3). The sampling module (1) is used for acquiring a level signal corresponding to a pulse width modulation signal. One end of the switching module (2) is connected to the sampling module (1), and the other end is connected to at least one group of signal feedback ends (4); and the signal feedback ends (4) comprise at least two feedback points (41), said feedback points (41) being used for being connected to light-emitting units (5). On the basis of a relationship between the level signal and a preset threshold, the switching module (2) can switch between a first mode and a second mode; in the first mode, the switching module (2) can control the feedback points (41) in the signal feedback ends (4) to be independent of each other, and in the second mode, the switching module (2) can control the feedback points (41) in the signal feedback ends (4) to be associated with each other. The working power supply (3) is connected to the sampling module (1) and the switching module (2), and the working power supply (3) supplies power to the sampling module (1) and the switching module (2).
G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
86.
DRIVING METHOD FOR DISPLAY DEVICE, AND DISPLAY DEVICE
A driving method for a display device (100), and a display device (100). The method comprises the steps of: according to the pixel polarity of the current frame of picture and a corresponding inversion mode, determining the pixel polarity of a next frame of picture and a corresponding first data signal; according to pixel brightness and darkness data and gray-scale data corresponding to the next frame of picture and pixel brightness and darkness data and gray-scale data corresponding to a heavy-loaded picture, determining whether the next frame of picture is a heavy-loaded picture; if yes, modifying a pixel polarity sequence corresponding to the first data signal, and generating and outputting a second data signal, so as to drive the display of the next frame of picture; and if not, outputting the first data signal to drive the display of the next frame of picture, wherein the pixel polarity order corresponding to the first data signal is different from the pixel polarity sequence corresponding to the second data signal. Whether the next frame of picture is a heavy-loaded picture is determined according to the gray-scale data of the next frame of picture, so as to modify the pixel polarity sequence in real time, thereby preventing power consumption of a product caused by a heavy-loaded picture.
G09G 3/36 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source using liquid crystals
The present application relates to a display panel and a display device. The display panel comprises a substrate base (1) and a driving array layer located on the substrate base (1). The driving array layer comprises a thin film transistor (2a) and a plurality of power supply voltage signal lines (231). The thin film transistor (2a) comprises a bottom gate (G1) and a top gate (G2) provided opposite to each other, and a source (S) and a drain (D) located on either side of the top gate (G2). The power supply voltage signal lines (231) are arranged on a same layer as the source (S) and the drain (D). The driving array layer further comprises a plurality of voltage dividing wirings (211) arranged on a same layer as the bottom gate (G1). The plurality of voltage dividing wirings (211) and the plurality of power supply voltage signal lines (231) are distributed in a grid shape in an intersecting manner, and at least some of the intersections between the voltage dividing wirings (211) and the power supply voltage signal lines (231) are electrically connected by means of through holes. According to the display panel, a grid design of power supply voltage signal lines is used without increasing process difficulty, thereby reducing the problem of Mura caused by IR Drop.
H10K 65/00 - Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element and at least one organic radiation-sensitive element, e.g. organic opto-couplers
The present application discloses a pixel driver circuit and a display panel. The pixel driver circuit comprises a switch transistor, an energy storage capacitor, a driving transistor, and a control module. When the switch transistor is turned on, a data voltage charges the energy storage capacitor. When the switch transistor is turned off, the energy storage capacitor discharges the driving transistor, so that the driving transistor outputs a driving current to a light-emitting unit to drive the light-emitting unit to emit light. The control module is connected in series to the driving transistor. When the driving transistor outputs the driving current to the light-emitting unit, the control module measures the magnitude of the driving current and is disconnected when the magnitude of the driving current exceeds a preset current range, so that the driving transistor cannot output the driving current to the light-emitting unit.
G09G 3/3266 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] - Details of drivers for scan electrodes
G09G 3/3233 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
G09G 3/00 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
89.
PIXEL STRUCTURE, ARRAY SUBSTRATE AND MANUFACTURING METHOD
The present application relates to the technical field of display, and provided are a pixel structure, an array substrate and a manufacturing method. The pixel structure comprises: a gate electrode (611) provided on a base substrate (1); and a gate electrode insulating layer (62) covering the gate electrode (611). The gate electrode insulating layer (62) is provided with a source electrode (613), an active region (612), a drain electrode (614), a first doped region (63), and a secondary electrode metal layer (65). Two ends of the upper surface of the active region (612) are each provided with a second doped region (64) , one end being connected to the source electrode (613), and the other end being connected to the drain electrode (614). The doping concentration of the first doped region (63) is less than the doping concentration of the second doped region (64). A passivation layer (66) covers each surface, and a main pixel electrode (41) connected to the drain electrode (614) and a secondary pixel electrode (51) connected to the secondary electrode metal layer (65) are provided on the passivation layer (66). The present application uses only one thin film transistor to control eight-domain vertical alignment display, thereby reducing the complexity and the manufacturing cost.
H01L 27/12 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
H01L 21/77 - Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
Provided are a pixel driving circuit, a pixel driving method, and a display apparatus. The current, which passes through an organic light-emitting diode, is unrelated to a threshold voltage of a negative electrode of a power source and each thin film transistor, such that the display is uniform; in addition, a compensation capacitor unit (C) is discharged in different stages by means of two discharge modules, such that a discharge channel is provided for the compensation capacitor unit (C) in each stage, and parasitic charges in a circuit can be eliminated; and parasitic charges which are generated during the operation process of the whole circuit can be efficiently eliminated when pixel driving compensation is performed, such that the influence of the parasitic charges on the driving of an organic electroluminescent device is avoided.
G09G 3/3225 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
91.
CHARGE PUMP CONTROL CIRCUIT, DISPLAY PANEL, AND DISPLAY APPARATUS
A charge pump control circuit, a display panel, and a display apparatus. The charge pump control circuit comprises: a first sampling identification module (10), which is used for sampling an input voltage of a series branch (60), outputting a first switching signal when determining, according to the input voltage of the series branch (60), that the series branch (60) is in a heavy-load working condition, and outputting a second switching signal when determining, according to the input voltage of the series branch (60), that the series branch (60) is in a light-load working condition; a PWM module (20), which is used, when receiving the first switching signal, for outputting a PWM signal to drive a first switch circuit (71) to work; and a PFM module (30), which is used, when receiving the second switching signal, for outputting a PFM signal to drive the first switch circuit (71) to work.
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
H02M 3/07 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode
The present application provides a display panel 100 and a display screen 1000. The display panel 100 comprises a transmission unit 10 and a display unit 300. The transmission unit 10 is electrically connected to the display unit 300, and the transmission unit 10 comprises a first wiring layer 111, a second wiring layer 112 and a dielectric layer 113. The dielectric layer 113 is located between the first wiring layer 111 and the second wiring layer 112, wherein the first wiring layer 111 is provided with a first trace 1111; the second wiring layer 112 is provided with a second trace 1121; the first trace 1111 has a first portion 1113, and the projection of the first portion 1113 on the dielectric layer 113 coincides with the projection of the second trace 1121 on the dielectric layer 113; and the first portion 1113 is provided with a first space 1115.
H01L 27/12 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
The present application belongs to the technical field of display. Disclosed are a backlight module and a display apparatus. The backlight module (20) comprises a plurality of light-emitting devices (210) and a controller (220). The plurality of light-emitting devices (210) provide a light source for a plurality of sub-pixels (110) one by one. The controller (220) is used for controlling the light emission brightness of each light-emitting device (210). When the backlight module (20) works, for a plurality of sub-pixels (110) connected to an ith data line (130), if the data line (130) does not need to charge one of the sub-pixels (110), when the next sub-pixel (110) emits light, the controller (220) improves the light emission brightness of the light-emitting device (210) corresponding to the next sub-pixel (110). Therefore, an actual grayscale of each sub-pixel (110) can reach a target grayscale thereof, thereby improving the brightness uniformity of a display panel (10).
G09G 3/34 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source
94.
DRIVING CIRCUIT, LIGHT-EMITTING CIRCUIT, AND DISPLAY DEVICE
The present application discloses a driving circuit (10), a light-emitting circuit, and a display device. The driving circuit (10) is connected to a load element (20), and the driving circuit (10) comprises: a switch power supply circuit (30); a feedback circuit (40), configured to receive a feedback voltage of the load element (20), and generate a control signal when the feedback voltage is not within a preset voltage range; a pulse circuit (50), configured to generate a switching signal having a set frequency; and a switch circuit (60), configured to transmit the control signal to a control end of a switch transistor when the control signal is received, and transmit the switching signal to the control end of the switch transistor when the control signal is not received.
H02M 3/156 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
H02M 1/32 - Means for protecting converters other than by automatic disconnection
The present application provides a pixel driving circuit and an electrowetting display. The pixel driving circuit comprises a time sequence control unit, a first switch unit, a second switch unit, and a power supply unit. The power supply unit is used for providing a constant driving voltage. One control cycle comprises a first time period and a second time period. Within the first time period, the time sequence control unit controls the first switch unit to be turned on and controls the second switch unit to be turned off, and a first electrode of an electrowetting pixel device is communicated with the ground. Within the second time period, the time sequence control unit controls the first switch unit to be turned off and controls the second switch unit to be turned on, and a second electrode of the electrowetting pixel device is communicated with the ground.
G09G 3/34 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source
A backlight module (200) and a display apparatus (100), the backlight module (200) comprising a back plate (210), a first light source assembly (220) and a second light source assembly (230); the first light source assembly (220) comprises a first lamp panel (221) and multiple first lamp beads (222); the second light source assembly (230) comprises a second lamp panel (231) and multiple second lamp beads (232); an edge of the first lamp panel (221) and an edge of the second lamp panel (231) are adjacent, forming a groove portion (240); and a third lamp bead (250) and a reflective layer (260) are provided in the groove portion (240).
G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
An array substrate (1) and a liquid crystal display panel. A driving array layer (12) of the array substrate (1) comprises scanning lines (G) extending in a first direction and data lines (D) extending in a second direction; a transparent metal layer (14) comprises first pixel electrodes (141a) and second pixel electrodes (141b) arranged alternately in the first direction (X) and the second direction (Y), and shielding common electrodes (142) located in spacing regions of the first pixel electrodes (141a) and the second pixel electrodes (141b); a color resist layer (13) comprises color resist units (131) respectively corresponding to the first pixel electrodes (141a) and the second pixel electrodes (141b); in the second direction (Y), in a target region formed by the spacing between each first pixel electrode (141a) and the corresponding second pixel electrode (141b) intersecting the corresponding scanning line (G), a first overlapping width between two adjacent color resist units (131) corresponding to the target region is greater than a second overlapping width between two adjacent color resist units (131) at the remaining positions. The array substrate (1) can avoid poor electrical performance problems such as short circuit and crosstalk caused by residual transparent metal layer (14) that is not completely exposed.
G09G 3/36 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source using liquid crystals
An array substrate (100) and a display panel. The line width of a first wiring (322) in the array substrate (100) within a first preset length is equal to that of a bonding lead (568); or, the line width of a first wiring (322) within a second preset length is not less than that of a second wiring (342) and does not exceed that of a bonding lead (568), and the line width of the side of the first wiring (322) close to a bonding area (20) is greater than that of the side distant from the bonding area (20). The wiring of the array substrate (100) is smoothly transited by widening the line width of the first wiring (322), so as to prevent water vapor infiltration from affecting use performance of the array substrate (100).
The present application provides an array substrate (1), a preparation method therefor, and a display panel (2). The array substrate (1) has a display area (1a) and a non-display area (1b); the array substrate (1) comprises a substrate (11), a metal layer (12), an intermediate layer (13), a conductive thin film (14), and a conductive adhesive (15) all provided in the non-display area (1b); the metal layer (12) is arranged at one side of the substrate (11); the intermediate layer (13) is arranged at the side of the metal layer (12) away from the substrate (11); the array substrate (1) further comprises a trench (1c) passing through the intermediate layer (13); the conductive thin film (14) is arranged on the side of the intermediate layer (13) away from the substrate (11) and extends to the trench (1c); and the conductive adhesive (15) is arranged on the side of the conductive thin film (14) in the trench (1c) away from the substrate (11) and at least extends to an edge of the side of the trench (1c) near the display area (1a).
G02F 1/1345 - Conductors connecting electrodes to cell terminals
H01L 27/12 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
100.
OVERVOLTAGE PROTECTION CIRCUIT AND APPARATUS, AND DISPLAY PANEL AND DISPLAY
An overvoltage protection circuit and apparatus, and a display panel (30) and a display. The overvoltage protection circuit comprises: an overvoltage detection circuit (10) and an overvoltage counting circuit (20), wherein the overvoltage detection circuit (10) is connected to a power supply source (VIN) and the overvoltage counting circuit (20), and the overvoltage counting circuit (20) is connected to a switch element; the overvoltage detection circuit (10) detects a power source voltage, which is output by the power supply source (VIN), and outputs an overvoltage signal to the overvoltage counting circuit (20); and the overvoltage counting circuit (20) is configured to output a cutoff signal to the switch element.
H02H 3/20 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess voltage
G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
patents
