Provided is a light irradiation device 100 for inspection capable of contributing to an improvement in size reduction, output stability, inspection accuracy, etc. The light irradiation device comprises: a plurality of laser light sources 2 mounted in a predetermined direction; a reflective member 3 having a reflective surface 3a which diffuses and reflects laser light L output from the laser light sources 2; and a diffusion member 4 which diffuses and transmits the laser light diffused and reflected by the reflective surface 3a and emits the light to the outside, wherein the laser light sources 2 are disposed so as to emit laser light L obliquely to the reflective surface 3a, and disposed so that the angle formed by a direction in which the orientation angle of the laser light L is wide and the mounting direction of the laser light sources 2 is smaller than the angle formed by a direction in which the orientation angle of the laser light L is narrow and the mounting direction.
This illumination device for inspection is to be used in a color inspection system for capturing, by an imaging device, an image of a workpiece irradiated with light to measure the color of the workpiece, and is for irradiating the workpiece with light. The illumination device for inspection has a spectral distribution S(λ) satisfying conditions of: (a) in a wavelength range satisfying Normalize (x(λ))≥0.5, the bandwidth of wavelengths satisfying Normalize (S(λ)x(λ))≥0.5 is 50% or more of the bandwidth of wavelengths satisfying Normalize (x(λ))≥0.5; (b) in a wavelength range satisfying Normalize (y(λ))≥0.5, the bandwidth of wavelengths satisfying Normalize (S(λ)y(λ))≥0.5 is 50% or more of the bandwidth of wavelengths satisfying Normalize (y(λ))≥0.5; and (c) in a wavelength range satisfying Normalize (z(λ))≥0.5, the bandwidth of wavelengths satisfying Normalize (S(λ)z(λ))≥0.5 is 50% or more of the bandwidth of wavelengths satisfying Normalize (z(λ))≥0.5.
This inspection system comprises a spot lighting device for inspection, provided with a light source body and a light emitting surface for emitting light emerging from the light source body as inspection light, and an imaging device including an object-side telecentric optical system for imaging a workpiece, the inspection system being configured such that the inspection light emitted from the light emitting surface is shone onto the workpiece coaxially with an optical axis of the imaging device, wherein the light source body is configured using a semiconductor laser.
An optical output measurement device 100 measures the optical output of line light emitted from a line light irradiator X to protect a linear motion device 20 from the line light. The optical output measurement device 100 comprises a light reception unit 10 that is arranged in a line light irradiation region Z and a linear motion device 20 that moves the light reception unit 10 in a straight line along the line light. At least a portion of the linear motion device 20 is provided at a position that is offset from the optical axis of the line light.
Provided is a light irradiation device 100 comprising: a light guiding plate 1 that reflects light introduced to the interior thereof from a side peripheral surface 1 by a front surface 1b and emits the light from a back surface 1c; a light source that irradiates the interior of the light guiding plate 1 with the light from the side peripheral surface 1a thereof; and a frame 3 that supports the light guiding plate 1 and the light source, the frame 3 comprising a ring-shaped frame main body 31 disposed around the light guiding plate 1, and a first flange part 32 extending inward from the back surface 1c side of the frame main body 31, and a peripheral edge part of the light guiding plate 1 being disposed on the first flange part 32, wherein not only wobbling and positional displacement of the light guiding plate 1 but also unexpected reflected light by the back surface 1c of the light guiding plate 1 is suppressed. A translucent sheet 5 on which fine recesses and protrusions 5a are formed on the front surface 1b is affixed to the back surface 1c of the light guiding plate 1 so as to extend from the light guiding plate 1 to the first flange part 32.
In order to provide an LED light radiating device with which it is possible to improve illumination intensity uniformity in a system equipped with a telecentric optical system, this LED light radiating device is provided with: an LED light source 1 equipped with a light emitting surface; a plano-convex lens 2 provided in such a way that the convex surface faces the light emitting surface; and a rod lens 3 provided in such a way that light emitted from the planar surface of the plano-convex lens 2 is incident on an incident end surface.
In order to provide a coaxial lighting device with which a field of view can be widened, while being compact, and with which an adjustment operation can be made simple, this coaxial lighting device is provided with a half mirror 1 disposed obliquely on an observation axis A1 joining a workpiece W, which is an observation target, and an observation unit M for observing the workpiece W, a light source 2 which radiates light onto the half mirror 1 from a direction different to the observation axis A1, and which is disposed in such a way that light reflected by the half mirror 1 is radiated onto the workpiece W, a lens 3 provided between the half mirror and the workpiece, and a first aperture 4 provided between the light source 2 and the half mirror 1, wherein the first aperture 4 is disposed at the focal point of the lens 3 on a radiation axis A2 joining the light source 2 and the half mirror 1.
An OLED lighting device pertaining to the present invention is provided with: a body section on which the entirety or a portion of an OLED panel is disposed; an accessory part to which a cable is attached; and a substrate member having wiring for supplying electric power supplied by the cable to the OLED panel.
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
F21Y 105/16 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
An organic light emitting diode (OLED) drive device is provided with an overdrive control unit (ODC) which performs overdrive in which, by causing a current greater than a rated current of an OLED to flow through the OLED in a predetermined period (overdrive period), the OLED is caused to light up more brightly in the predetermined period than when the OLED is lighted with the rated current. The control unit (ODC) subjects the current flowing through the OLED during the predetermined period to PWM control, wherein, in a PWM signal during the predetermined period, the width of at least one of a pulse before the OLED starts to light up and a pulse when the OLED starts to light up is set greater than the width of a pulse after the OLED started to light up.
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
H05B 33/08 - Circuit arrangements for operating electroluminescent light sources
In this OLED driving system and OLED driving method, a use information storage unit stores use information indicating the cumulative effective use time of an OLED lighting device, in association with a plurality of mutually different current ranges respectively. The cumulative effective use time is updated and stored by adding effective use time of the OLED lighting device to cumulative effective use time indicated by the use information that is stored in the use information storage unit and that is of a current range corresponding to a current value of power outputted to the OLED lighting device.
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
11.
OLED ILLUMINATION MODULE, OLED ILLUMINATION DEVICE, AND ILLUMINATION IMAGING SYSTEM
This OLED illumination module comprises: a columnar member which includes a first surface and a second surface that crosses the first surface at a prescribed angle; an OLED light-emitting part which is disposed on the first surface; and a semi-transmissive mirror which is disposed on the second surface and which reflects some of the light rays projected from the OLED light-emitting part and allows the remaining light rays to pass through the mirror. This OLED illumination device is provided with a plurality of such OLED illumination modules. This illumination imaging system is provided with the OLED illumination module or the OLED illumination device.
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
F21V 7/28 - Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
The present invention, in order to reduce a noise component caused by leaked light, reduces as much as possible leaked light that leaks out from a light guide plate to the side of an observation means, and also increases the uniformity of light projected on a workpiece and improves inspection accuracy. A light projecting device comprises: a flat plate-shaped light guide plate; and a light source body that introduces light into the light guide plate from a side peripheral surface thereof. A plurality of recesses are formed on one plate surface of the light guide plate, and light entering the light guide plate reflects off the recesses so as to spread out, and this light is emitted to the outside from the other plate surface of the light guide plate. The surface of each recess is formed by a smooth recessed curved surface. In a cross-section shape resulting from cutting the recess through the center thereof and perpendicular to the plate surface, a tangent angle, which is an angle formed by a tangent line at an opening edge of the recess and the plate surface, is 50-85°.
Provided is a light radiating device with which light losses are small and which is capable of radiating light efficiently toward a workpiece, and with which unevenness of light is small when viewed as an entire light-guiding plate. This light radiating device is provided with a light source, and a light-guiding plate which has a plate shape with a top surface, a rear surface, and a side peripheral surface, in which the top surface is disposed facing a workpiece to be inspected, and light from the light source is guided in from the side peripheral surface, the light radiating device being configured in such a way that light guided into the light-guiding plate from the side peripheral surface is internally reflected and is emitted from the top surface, wherein: the light radiating device is additionally provided with a cover body which is disposed in such a way as to cover the rear surface of the light-guiding plate, and in which a through hole is provided in a prescribed location; a diffuse reflecting portion for effecting diffuse reflection of light guided into the light-guiding plate from the side peripheral surface is provided in a first region surrounding a position corresponding to the through hole, on the rear surface of the light-guiding plate, and a total internal reflection portion for effecting total internal reflection of light guided into the light-guiding plate from the side peripheral surface is provided in a second region further to the outside of the first region.
To provide a high-reliability lighting device in which defects do not occur when bending a wiring board that is rounded to a truncated cone shape or a cylindrical shape, while realizing high brightness by increasing the density in which surface-mount LEDs are mounted on the wiring board, the present invention comprises: a flexible wiring board curved to a prescribed shape; a plurality of sets of pads that are aligned so as to form a row along the circumferential direction in at least some of the curved wiring board; and a plurality of surface-mount LEDs fixed in a respective manner to the plurality of sets of pads. The expression y ≤–1.04x +1.80 holds, where y is the ratio of the sum s of the circumferential-direction lengths of the plurality of sets of pads relative to the circumferential length L (y = s/L), L is the circumferential length of the portion for which the plurality of sets of pads form a row in the curved wiring board, and x is the curvature of the portion for which the plurality of sets of pads form a row in the curved wiring board.
F21Y 107/70 - Light sources with three-dimensionally disposed light-generating elements on flexible or deformable supports or substrates, e.g. for changing the light source into a desired form
The present invention is an illumination device comprising light sources (20) in which filaments (21) are used, wherein the illumination device (100) comprises: a plurality of light sources (20) with which control of the light-gathering properties and of the uniformity of light irradiated on an object is facilitated and parts that are to be connected, such as sockets (20B), can be protected from heat, the plurality of light sources (20) being aligned in one row or a plurality of rows and being designed to flatten the intensity distribution of light irradiated on the object; and a casing (10) that accommodates the light sources (20) and has a light extraction port X formed therein for extracting light from the light sources. The light sources (20) have: light-emitting parts (20A) in which the filaments (21) are accommodated in tubular accommodating bodies (22); and parts that are to be connected, such as the sockets (20B), to which the light-emitting parts (20A) are connected. The illumination device (100) furthermore comprises shielding members (60) disposed in an orientation in which light emitted from the outer circumferential surfaces (221) of the accommodating bodies (22) can be extracted from the light extraction port X, the shielding members (60) covering at least part of the sockets (20B) and shielding the light emitted from the light-emitting parts (20A) toward the sockets (20B).
F21V 7/24 - Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
F21V 9/04 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out infrared radiation
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 29/83 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
The problem addressed by the present invention is, while saving wasted wiring space to be more compact, to increase the cooling efficiency of a light source by controlling the flow of gas flowing in a gap between each heat dissipation fin without increasing weight or manufacturing cost. A light illumination device (100) is provided with: a heat dissipation body (40) having substrates (20), (30) for which an electric wire attachment area and a light source attachment area are set at different surface positions, as well as a plurality of heat dissipation fins (41) erected on the back surface of the substrates (20), (30); a light source (10) provided on the light source attachment area; and an electric wire (60) electrically connected to the light source (10), with one end provided on the electric wire attachment area. The plurality of heat dissipation fins (41) are formed with space open between each other, such that gas flows in the spaces, with one end side of the electric wire wired from the front surface side of the substrate to the heat dissipation fin side, and running along the heat dissipation fin from the base side to the tip side of the heat dissipation fin within the range of the external shape of the heat dissipation body.
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 29/503 - Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
F21V 29/67 - Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
F21V 29/76 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
To improve the uniformity of illuminance that runs along the longitudinal direction of linear light, and to use, as linear light, light in a state in which the intensity of the light emitted from a filament is maintained at a high level. The present invention is provided with a first light source row L1 and a second light source row L2 in which a plurality of light sources 10 are disposed in a row, the light sources 10 being configured such that a terminal 14 connected to a socket 20 extends from a light-emitting unit 12 having a filament 11. The light sources 10 of the first light source row L1 and the light sources 10 of the second light source row L2 are disposed alternatingly along the row direction in a state in which the light-emitting units 12 are oriented toward the other light source row, and the filaments 11 of the light sources 10 of the two light source rows L1, L2 are positioned in a collinear manner.
The present invention increases the radiant flux discharged from a liquid sealed LED by increasing the light extraction amount, while suppressing the production cost of the liquid sealed LED. A liquid sealed LED according to the present invention is configured of: a sealing case 40 that is composed of a main body 10 which is provided with a bottomed hole that opens in a predetermined direction and a cover 30 which forms a container space 20 by closing the opening of the main body 10; an LED chip 50 that is affixed within the container space 20 of the sealing case 40; and a liquid 60 and a gas 70, which are sealed in the container space 20 of the sealing case 40.
Provided is a power source device for LED strobe light-emission that operates on a current based on the capacitance of a connected LED. The power source device is provided with the following: serial current sources (3); an electricity storage element (4) that is connected to the serial current sources (3) and to an LED (11), that supplies current to the LED (11) during strobe light-emission, and that is charged by the serial current sources (3) during a pause period; and a current control unit (7) that variably controls the charge current to the electricity storage element (4) during the pause period.
Provided is an LED light-emission device 100 that, in order to be able to form with ease a dam portion to be filled with a mold material while miniaturizing the light-emission surface and increasing brightness, comprises LED elements 20 and a substrate 10 on which the LED elements 20 are installed, wherein the substrate 10 has provided thereon the following: a first dam portion 50 that is provided around the LED elements 20 and that forms a mold material filling space on the inner side of the first dam portion; and a second dam portion 60 that is provided between the LED elements 20 and the first dam portion 50, and that prevents the material forming the first dam portion 50 from flowing inward.
In order to provide a lighting control power source which is capable of setting a stroboscope light emission state with two independent parameters and for which a control delay is unlikely to occur even if the parameter settings are changed, the present invention comprises: a reception unit 21 that receives setting values for the stroboscope light emission width and a lighting ratio within the stroboscope light emission width; a stroboscope light emission width control device 24 that outputs an ON/OFF signal by which the stroboscope light emission width setting value is set as a continuous ON period, and controls the length of the period in which an LED lighting device 1 can emit stroboscope light; a lighting ratio control device 25 that outputs an ON/OFF signal set such that the ratio of the ON period and the OFF period, during the period in which the LED lighting device 1 can emit stroboscope light, is the set value for the lighting ratio, and controls the lighting ratio; and a multiplier 28 to which is input the respective ON/OFF signals of the stroboscope light emission width control device 24 ad the lighting ratio control device 25, and which outputs, to the LED lighting device 1, a final output signal obtained by multiplying the ON/OFF signals.
In order to provide a light irradiation device which enables implementation of a large-area surface light source at low cost, a light irradiation device is provided with four irradiation units, and a positioning member, an LED substrate is provided with an LED reference end surface, and a plurality of LEDs arranged on the basis of distances from the LED reference end surface using the LED reference end surface as a reference, a lens array is provided with a lens reference end surface, and a plurality of lenses arranged on the basis of distances from the lens reference end surface using the lens reference end surface as a reference, the four irradiation units and four placement reference surfaces are placed so as to have four-fold rotational symmetry, and the LED reference end surface and the lens reference end surface in one of the irradiation units are pressed against one of the placement reference surfaces.
The present invention is for fixing a rod-shaped lens and reducing distortion of the rod-shaped lens, and is provided with: a plurality of LEDs 2 arranged in a prescribed direction; a resin rod-shaped lens 3 provided along the arranged direction of the plurality of LEDs 2; a casing 4 which has a pair of longitudinal-side wall portions 41, 42 which accommodate the plurality of LEDs 2 and the rod-shaped lens 3 and are arranged with the rod-shaped lens 3 interposed therebetween; and a fixing member 5 which is provided between one longitudinal-side wall portion 42 and the rod-shaped lens 3 and presses a longitudinal-side face 3a of the rod-shaped lens 3 to fix the rod-shaped lens 3, wherein the fixing member 5 has an elongated shape having a rigidity higher than that of the rod-shaped lens 3.
G01N 21/84 - Systems specially adapted for particular applications
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
F21V 17/10 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
F21Y 103/10 - Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
A power supply device which can identify the type of an LED light output device connected thereto and output a voltage or current suitable for the type. In order that there is no need at all to provide an additional circuit on the LED light output device side for type identification, and that only a power supply cable is required for connection, in the case of unconnected state with the LED light output device 1, electrical continuity between a second terminal 25b to be connected to the cathode of an LED 11 and ground is disconnected. On the other hand, upon transition from the unconnected state to connected state, a voltage at the second terminal 25b is measured with the electrical continuity between the second terminal 25b and ground disconnected, and the type of the connected LED light output device 1 is identified on the basis of the measured voltage.
In order to provide a linear light irradiation device that is able to achieve an improvement in measurement accuracy while preventing an increase in the width of a linear light, this linear light irradiation device is provided with: a plurality of LEDs arranged in a straight line; a condensing member that condenses light emitted from each LED; and a first slit member having defined therein a first slit that extends along an array direction in which the plurality of LEDs are arranged and permits a portion of the light emitted from each LED to pass therethrough. The linear light irradiation device is characterized in that the first slit member includes, as integral parts thereof, a plurality of light blocking members spaced from one another in the array direction.
Provided is an LED illumination system that comprises a power source device 200 having a function for adjusting the amount of supply current, and an LED illumination device 100 connected to the power source device 200, wherein the LED illumination device 100 is configured to be provided with the following: an LED circuit 1; a bypass circuit 2; and a distribution circuit 3 that distributes the current supplied from the power source device 200 at a predetermined fixed ratio regardless of the current value and that supplies one part of the current to the LED circuit 1 and the other part thereof to the bypass circuit 2.
In order to be able to capture images of the surface of a work W from a plurality of directions without reducing the amount of light projected to the work W, a light projecting device 100 has a light-emitting surface 11 facing the work W and the light projecting device has formed therein a slit S through which light reflected by the work W passes from the light-emitting surface side to the side opposite thereto, wherein the slit S has a tapered shape such that the width of the slit gradually increases from the light-emitting surface 11 side towards the side opposite thereto.
The purpose of the present invention is to increase the number of light source 12 types that can be determined by giving the resistance values that can be used as an identification resistance 13 a wider range than in prior art. This power source device 20 is to be connected to a light radiation device 10 which is equipped with: a light source 12 having one or a plurality of LEDs 11; and an identification resistance 13 whereof the resistance value is different for each type of the light source 12. The power source device 20 comprises: an identification resistance determination circuit 23 having a voltage dividing resistance 231 to be connected in series to the identification resistance 13; and a control unit 24 for measuring the divided voltage applied to the voltage dividing resistance 231, determining the type of the light source 12 on the basis of the divided voltage value, and, according to the type thereof, controlling the power to the light source 12. The identification resistance determination circuit 23 has a configuration in which a plurality of voltage dividing resistances 231 are provided, each having a different resistance value from one another, the voltage dividing resistance 231 to be connected to the identification resistance 13 being switchable.
To provide a light-emitting device 100 that has excellent compactness and is capable of efficiently using light emitted from a light source 30, this light-emitting device 100 is provided with: a casing 10, one side surface 12 of which is open; a heat conduction plate 20 provided inside the housing 10 such that a surface 21 intersects with the thickness direction of the housing 10; a light source 30 provided to the opening side of the housing 10 on the surface 21 of the heat conduction plate 20; a heat dissipation member 40 provided to the housing on a side opposite the opening from the light source 30 on the surface 21 of the heat conduction plate 20; and a reflective member 50 for reflecting light in the housing 10 from the light source 30 toward the opening side of the housing 10. The heat conduction plate 20 is configured so as to be provided such that the surface 21 inclines toward the opening side of the housing 10.
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21V 7/06 - Optical design with parabolic curvature
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 29/503 - Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
F21V 29/51 - Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
F21V 29/67 - Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
F21V 29/76 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
This lens module, in order to reduce the loss of intensity of light emitted from each lens and closely arrange light-emitting regions in a plurality of lenses, is provided with the following: a plurality of lenses 31; a lens holder 32 to which the plurality of lenses 31 are attached; and a plurality of fixtures 5 that engage a light exit surface 31b or a light incident surface of the lenses 31 at a plurality of locations where the lenses are spaced apart from each other, and fix the lenses to the lens holder 32. The fixtures 5 are each shared by at least two lenses 31 from among the plurality of lenses 31.
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
The present invention is provided with a first substrate 11 in which a light source body disposition region 11a, where a first light source body 21 is disposed, and an intermediate region 11b, where a through-hole 41 or notch 42 is provided, are formed alternately in a circumferential direction, and which is configured, due to the curving or bending of the intermediate region 11b in the thickness direction, to form a cylindrical shape of which the internal diameter gradually expands. A second light source body 22 is disposed at the back of the intermediate region 11b, and a configuration is adopted whereby an object W to be inspected is irradiated with an inspection light from said light source body 22 via the through-hole 41 or the notch 42.
In order to facilitate the positioning of a surface-mounted LED (1) without sacrificing the heat dissipation function when soldering is performed, this LED mounting substrate is characterized in that at least one pad (2) (hereinafter, the "differently-shaped pad (2)"), which excludes a pad (3) having the highest heat dissipation function, has a shape different from the shape of the corresponding terminal (13), and in the normal mounting positon of the LED (1) a non-overlapping portion exists, where the differently-shaped pad (2) and the terminal (13) corresponding to the differently-shaped pad (2) do not overlap each other, with the non-overlapping portion being provided such that the total force acting at the boundary of the portion where the pads (2, 3, and 4) and the terminals (13, 14, and 15) overlap is matched by the surface tension of the melted solder only in the normal mounting position of the LED (1).
The present invention is a circuit board that uses a base substrate formed from metal, wherein electronic components can be easily welded manually. The circuit board comprises a base substrate (21) formed from metal and a wiring conductor layer (23) formed on a top surface (21a) of the base substrate (21) via an insulating layer (22). The wiring conductor layer (23) has an individual soldering region (R2) for soldering electronic components of external leads. Moreover, all of or a part of a portion (21X) of the base substrate (21) corresponding to the individual soldering region (R2) is removed.
Provided are a connection type prism sheet and a line light irradiation device with a prism sheet with which defects in an object being inspected can be reliably detected by a line scanning camera and the like. Connection ends (32A, 32B) in a connecting part (30A) wherein prism sheets (30, 30) are connected to each other are cut at an inclination to a direction crossing the longitudinal direction of a unit prism (31a) and form cut ends (32A, 32B) parallel to each other. The prism sheets (30, 30) are connected to each other such that a part (31b) of the unit prism (31a) is positioned more to at least one side in the longitudinal direction of the unit prism (31a) than a space (S) between these cut ends. Therefore, defects in the object being inspected can be reliably detected by a line scanning camera and the like.
In order to provide a lighting control power supply allowing for an intuitive movement among setting input screens for each of the control setting items in a plurality of lighting instruments while reducing the number of inputs needed from a user when setting each control parameter, the constitution is such that, if an input into an input device occurs in a first direction, a display device displays a setting input screen related to a control instrument that is different from the one prior to the input, and if an input into the input device occurs in a second direction, the display device displays a setting input screen related to a control setting item that is different from the one prior to the input.
Provided is a power supply device, which, even if an excess in output occurs on an LED lighting device side, is capable of preventing a drop in the voltage supplied to another machine that is connected aside from the LED lighting devices, and continues driving the other machine. This power supply device is equipped with a plurality of LED drive circuits provided in parallel, corresponding respectively to a plurality of LED lighting instruments, and are constituted in such a manner as to drive each of the LED lighting instruments in a predetermined light-emission mode. The plurality of LED drive circuits, along with the other machine aside from the plurality of LED drive circuits, are connected to a DC supply unit having such constitution that a direct current power supply voltage is converted into a predetermined direct current voltage and supplied thereby. The power supply device is further provided with a constant current circuit whereof the input side is connected to the DC supply unit and the other machine, and the output side is connected to the plurality of LED drive circuits.
Provided is a light illuminating device capable of sufficiently discharging heat produced by a light source such as a high-output LED to cool the light source. The present invention is provided with a casing (2), a LED (3a), and a heat-radiating means (4) for radiating heat generated by the LED (3a). The heat-radiating means (4) is provided with a vapor chamber (5) in which the LED (3a) is disposed on an end-part side, and a heat sink (6) disposed on the surface of the vapor chamber (5). Therefore, the heat generated by the LED (3a) is rapidly transmitted in the planar direction from the end part of a flat heat pipe and efficiently radiated by the heat sink (6). Therefore, the heat generated by the high-output LED (3a) is sufficiently radiated to allow the LED (3a) to be cooled.
F21V 29/00 - Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21Y 101/02 - Miniature, e.g. light emitting diodes (LED)
F28D 15/02 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls in which the medium condenses and evaporates, e.g. heat-pipes
In order to provide a light source apparatus capable of uniformizing, in the work transfer direction, a cumulative quantity of light that a workpiece receives while the workpiece is transferred, a light source apparatus (100) is provided, said light source apparatus radiating light to the workpiece relatively moving in the fixed direction. The light source apparatus is provided with: a plurality of light source units (4), which are respectively provided with LEDs (1) and supporting bodies (2) that support the LEDs (1); and a chassis (6) that supports each of the light source units (4). The light source units (4) are aligned with respect to the chassis (6), thereby having the light emission centers of the LEDs (1) in respective light source units (4) at equal intervals in the direction orthogonal to the moving direction of the workpiece.
Provided is a lighting apparatus having excellent heat dissipation effects, high output, and a large light emitting area. This lighting apparatus is provided with: a square tube-like housing (7), which is configured by forming strip-like bodies (12) in a square tube shape, said strip-like bodies having a plurality of holding bodies (1), respectively, and by bonding end sections of the strip-like bodies (12) to each other, said strip-like bodies being formed in the square tube shape; and circuit boards (2), which are attached to the inner surfaces of the housing (7), respectively, and which are provided with light sources (3), respectively. Each of the circuit boards (2) has: a mounting section (2a), which is attached to each of the inner surfaces of the housing (7), and which has each of the light sources (3) provided on the surface thereof; and a connecting section (2b), which connects the mounting sections (2a, 2a) to each other, said mounting sections being adjacent to each other in the circumferential direction of the housing (7), and which can be bent at a corner section of the adjacent inner surfaces of the housing (7). The rear surface of the mounting section (2a) is in contact with an inner surface (attaching surface (5a)) of each of the holding bodies (1). Consequently, the lighting apparatus having excellent heat dissipation effects, high output, and a large light emitting area is provided.
Provided is a circuit board that simultaneously performs through-hole filling and dam formation without increasing the number of other steps, and is capable of increasing the mountable surface area. The circuit board comprises: a wiring board having a conductor pattern formed on the component surface and the rear surface thereof; semiconductor chips surface-mounted in the mounting area of the component surface; a sealing member that seals the semiconductor chips; a dam that partitions an area wherein the sealing member is filled; and a through-hole that electrically connects the conductor pattern on the component surface and the conductor pattern on the rear surface. The through-hole is provided in the perimeter of the mounting area, and the dam is formed so as to block the opening of the through-hole, on the component surface side.
Provided is a line light irradiation device that can reduce light sources to be wasted and can prevent illumination variations from arising among light source units. The line light irradiation device has a plurality of light source units (6), each of which is formed by a plurality of light source mounting substrates (10) provided in a row arrangement on a base (71). The light source units (6) are provided in a row arrangement. The plurality of light source mounting units (10) are affixed to the base (71) at positions determined by a prescribed spacing. Therefore, when a malfunction arises in a light source of a certain light source unit, that light source unit can be removed and only the light source mounting substrate to which that light source in which the malfunction has arisen is mounted replaced. Therefore, as many normal light sources as possible can be left, and light sources to be wasted can be reduced. In addition, the light source mounting substrates (10) are affixed so that the positions thereof are determined by a prescribed spacing; therefore, dimensional errors in the end parts of the row arrangement for the light source mounting substrates (10) do not accumulate. Therefore, illumination variations between adjacent light source units can be prevented from arising.
Provided is a line illumination device constructed such that the cabling in not thermally affected by the light sources. The device is provided with a plurality of light source units (6), a casing (2) for accommodating these lined up in a row, a cable (K1) electrically connected to a light source mounting substrate (10), and a control substrate (5) which is attached to the casing (2), and to which the cable (K1) is connected. A passage part (15) is furnished at the back side of the base (71) of each light source unit (6), and the cable (K1) is routed towards the heat sink side from the light source mounting substrate side, then connected to the control substrate (5) through the passage part (15), thereby obviating the need to route the cable (K1) over the light source mounting substrate. Consequently, the cable (K1) is not thermally affected by the light sources (16), whereby reduction of the permissible current value due to temperature can be minimized.
G01N 21/84 - Systems specially adapted for particular applications
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 29/00 - Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
F21V 29/02 - Cooling by forcing air over or around the light source (cooling arrangements structurally associated with electric lamps H01J 61/52, H01K 1/58)
43.
INSPECTION SYSTEM AND INSPECTION ILLUMINATION DEVICE
In order to provide an inspection illumination device that can greatly change the amount of light within an observed solid angle of an imaging device even if the change in reflection or scattering arising at a characteristic point is tiny, and by extension, can detect such a minute characteristic point, the present invention is provided with: a surface light source (1) that emits inspection light; a lens (2) that is provided between the surface light source (1) and an inspection subject (W) and causes the surface light source (1) to form an image in the vicinity of the inspection subject (W); and a first light-shielding mask (M1) that is provided between the surface light source (1) and the inspection subject (W) and forms a dark region in the radiating solid angle of inspection light radiated to each point of the inspection subject (W).
In order to provide a light-emitting device that is able to reduce the amount of light captured inside a coating film and improve the efficiency with which light emitted from a LED chip is extracted even when a coating film is provided for preventing oxidation or sulfuration of a metallic film, the light-emitting device is provided with a substrate (1), a metallic film (2) formed on the surface of the substrate (1), a LED chip (4) provided on the metallic film (2), and a coating film (3) formed on the metallic film. The coating film (3) has formed therein a through-hole (31) that penetrates in the thickness direction of the film and has the LED chip (4) disposed therein. As viewed from above, the through-hole (31) is formed larger than the LED chip (4), a gap being formed between the external peripheral surface of the LED chip (4) and the internal peripheral surface of the through-hole.
The purpose of the present invention is to provide: a sealant composition for electrical and electronic parts, said sealant composition exhibiting excellent light resistance, heat resistance, heat shock resistance and gas barrier properties; and an LED device obtained using the same. This sealant composition contains: a polyvalent metal compound which contains a metal element capable of taking an ionic valence of 2 or more; and a fluororesin having a functional group such that the functional group together with the metal element contained in the polyvalent metal compound can form a metal crosslink.
C08L 27/12 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
The present invention improves LED cooling performance in an LED lighting device without being affected by various restrictions such as wiring restrictions and light distribution restriction. The present invention is provides with a casing (2) for forming an LED storage space for storing an LED (32), and an gas-supply path (S1) for supplying gas to the LED storage space formed in the housing (2). The gas-supply path (S1) includes a nozzle (73) that opens toward the LED (32). The nozzle (73) is positioned further outward than the angle of light distribution (X) of the LED (32), and the rate of flow of gas exiting the nozzle (73) is higher than the rate of flow of gas upstream of the nozzle (73) in the air-supply path (S1).
F21V 29/02 - Cooling by forcing air over or around the light source (cooling arrangements structurally associated with electric lamps H01J 61/52, H01K 1/58)
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21V 29/00 - Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
F21Y 101/02 - Miniature, e.g. light emitting diodes (LED)
47.
ILLUMINATION DEVICE FOR TUMOR DETECTION AND ILLUMINATION DEVICE FOR EXAMINATIONS
The present invention is an illumination device (1) for tumor detection which improves the visibility of tumors in which a fluorescent substance has accumulated, and for emitting excitation light for the fluorescent substance which has been accumulated in the tumor. The device is provided with: a light emitting diode (7) that emits light having substantially the same wavelength as the excitation wavelength of the fluorescent substance; and a blocking member (8) that is provided to the light-emission side of the light emitting diode (7) and blocks a wavelength corresponding to at least part of the excitation wavelength of the fluorescent substance.
A61B 10/00 - Other methods or instruments for diagnosis, e.g. for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
The present invention improves measurement accuracy by irradiating an object to be measured with a linear light that does not generate speckle noise, and also improves examination processing speed as image processing for removing speckle noise is not required. The present invention is equipped with: an LED array substrate on which a plurality of LEDs (21) are linearly arrayed; a first slit member (3) having a first slit (3S) formed along the array direction of the plurality of LEDs (21); a lenticular lens (4) in which a plurality of cylindrical lenses (41) extending along the direction (Q) orthogonal to the array direction (P) of the plurality of LEDs (21) are configured side by side in the array direction (P) of the plurality of LEDs (21); a second slit member (5) having a second slit (5S) formed along the array direction (P) of the plurality of LEDs (21); and a housing member (7) for accommodating the above, the linear light being emitted from one end thereof.
To provide a lighting device for inspection and lighting method for inspection with which it is possible for differences such as differences in brightness to appear between defects and normal parts by means of inspection light, this lighting device is provided with: a planar light source (1) that radiates inspection light; a lens (2) that is on an optical axis (LX) of the inspection light radiated by the planar light source (1) and is provided between work (W) to be inspected and the planar light source (1); and a first aperture (31) provided between the planar light source (1) and the lens (2) or between the lens (2) and the work (W) to be inspected. The positions of the planar light source (1) and lens (2) relative to the work (W) to be inspected are set such that the imaging plane (IM) to which the light source (1) is focused is in the vicinity of the work (W) to be inspected. The position of the first aperture (31) relative to the lens is set such that the central axis of a solid angle for the radiation, which is prescribed by detection light incident to an outer edge part of the focal plane (IM), is parallel to the optical axis (LX) or is offset from the optical axis and inclined a prescribed amount.
The present invention reduces warping in an LED mounting substrate when attaching the LED mounting substrate to a base member. The base member (3) has a first engaging part (6) and a second engaging part (7) for engaging each side part (2a, 2b) of the LED mounting substrate (2), and positioned so as to face one another. The dimension of the distance by which the first engaging part (6) and the second engaging part (7) are separated is set to be less than the dimension of the distance between the side parts of the LED mounting substrate (2). The configuration is such that the first engaging part (6) and the second engaging part (7) hold the LED mounting substrate in an elastically deformed curved state. The LED mounting substrate (2) has recesses (21) formed toward the inside widthwise direction in each side part (2a, 2b).
An LED lighting device (100) is configured in a manner such that an LED support member (2) can be easily attached inside a translucent tube (1). To this end, the LED lighting device (100) is equipped with: an LED support member (2) that has a front surface and a rear surface, and supports an LED (3) with the front-surface side thereof; a tubular translucent tube (1) having a cylindrical inner surface (1a) on which the rear surface of the LED support member (2) is attached; and a cap member (4) for covering the side-end opening of the translucent tube (1). Therein, the cap member (4) is provided with a pressing surface (9a) for pressing against a contact surface (9b) positioned on the LED support member (2), and sandwiching the LED support member (2) in the space between the pressing surface (9a) and the cylindrical inner surface (1a) of the translucent tube (1).
To provide a reflective type lighting device that can effectively use high-intensity light from a middle part that is output by LEDs, this reflective type lighting device (100) is provided with a reflecting mirror (1) on which a reflective surface (11) that forms a concave surface shape on the front side thereof is formed, a substrate (4) provided so as to face the center part (12) of the reflective surface (11), and an LED (3) that is attached to the substrate (4) and outputs light toward the reflective surface (11). The LED (3) is equipped with an LED chip (31) that outputs light and a lens (32) provided between the LED chip (31) and the reflective surface (11). The lens (32) is constituted such that the light that is output by the LED chip (31) in the proximity of the optical axis is refracted toward the outer edge part (13) sides of the reflective surface (11).
To fix a rod lens to a casing and prevent loosening of the rod lens and to facilitate assembly work, the present invention includes: a casing (2) that has a bottom wall (21) and a pair of side walls (22, 23) extending upward from the bottom wall (21); a rod-shaped lens (4) provided above an LED substrate (3) and along the length direction inside the casing (2); and fixing mechanisms (5) for fixing the lens (4) to the pair of side walls (22, 23). Each fixing mechanism (5) includes: an upward-facing surface (51a) provided along the length direction on the inner surface of the side wall (22 or 23); a downward-facing surface (52a) provided along the length direction on a side peripheral surface of the lens (4); a concave groove (53) provided above the upward-facing surface (51a) and along the length direction in the inner surface of the side wall (22 or 23); and an elastic body (54) that fits into the concave groove (53) and contacts the side peripheral surface of the lens (4) in a state where the downward-facing surface (52a) is in contact with the upward-facing surface (51a).
The present invention can make the width of an LED wiring board compact and also reduces the number of assembly parts and assembly time. Each LED wiring board (3) includes a plurality of LEDs (31) provided in a row along the length direction, and power-feeding line members (32a, 32b) provided parallel to the plurality of LEDs (31). The power-feeding line members (32a, 32b) are provided above an LED mounting surface (3b) of the LED wiring board (3). In adjacent LED wiring boards (3), the power-feeding line members (32a, 32b) provided on one LED wiring board (3) are provided so as to extend outward in the length direction, and have contact terminals (321a, 321b) that come into contact with the power-feeding line members (32a, 32b) of the other LED wiring board (3).
A light emitting device of the present invention is capable of efficiently dissipating heat with a simple structure. The light emitting device is provided with: a base body having a recessed portion opened to the upper end surface; an LED element mounted in the recessed portion; a columnar heat dissipating member, which is provided to stand from the bottom surface of the recessed portion; and a sealing member composed of a translucent material applied to the recessed portion.
To achieve an illumination device that can improve the S/N ratio between noise and an output signal generated from controlled light, and also prevent an erroneous operation caused by light other than the controlled light, the present invention includes: a light emitting unit (2); a light receiving unit (3) that receives the controlled light, which is on the visible spectrum, and outputs an output signal that corresponds to the amount of light; and a switching unit (7) that switches the light emitting state of the light emitting unit (2) on the basis of the value of the output signal that is output by the light receiving unit (3). The light receiving unit (3) includes: one or a plurality of first photoelectric conversion elements (31); and an equivalent number of second photoelectric conversion elements (32) corresponding to the number of first photoelectric conversion elements. The light receiving unit is provided at a position at which illumination light from the light emitting unit (2) enters each of the first photoelectric conversion elements (31) and second photoelectric conversion elements (32). The first photoelectric conversion elements (31) and the second photoelectric conversion elements (32) are connected so as to form a parallel circuit, and also connected such that the polarity of the first photoelectric conversion elements (31) is opposite the polarity of the second photoelectric conversion elements (32).
Disclosed are a profile line detecting method and a profile line detecting apparatus, wherein the background surface scatters light, and the profile of a work can be accurately detected, even if, specifically, the height of the work is low. The profile line detecting method detects the profile line of a work (W) by detecting, by means of a light detecting unit (5), light transmitted from the work (W). A position where the light detecting unit (5) is disposed is set above the work (W), and illuminating light outputted from a light outputting unit (2) is set such that the light is substantially applied merely to a light irradiation region (7), which has, as the inner edge, a position at a predetermined distance outside of a profile line to be detected, said profile line being at least a part of the profile line of the work (W), or as the outer edge, a position at a predetermined distance inside of the profile line to be detected. The light irradiation region (7) is set such that the region is below the profile line to be detected, and is formed on the surface where the illuminating light is scattered.
The present invention pertains to a high-yield light-emitting device and a method for producing the light-emitting device, wherein a wavelength conversion member is easily analyzed, classified and managed, and the luminescent color and illumination of the light-emitting device are easy to control. The light-emitting device is provided with: a substrate having a recessed section that opens to the upper end surface; an LED element mounted inside the recessed section of the substrate, which emits ultraviolet light or short-wavelength visible light; a lower translucent plate-like body through which the ultraviolet light or short-wavelength visible light emitted by the LED element is transmitted; a wavelength conversion member containing phosphor that is excited by the ultraviolet light or short-wavelength visible light that has been transmitted through the lower translucent plate-like body; and an upper translucent plate-like body through which part or all of the light that has passed through the wavelength conversion member is transmitted. The method for producing the light-emitting device, the substrate of which comprises an upper substrate that holds the wavelength conversion member and a lower substrate on which the LED element is mounted, is characterized by providing: a mounting step in which the LED element is mounted on the lower substrate; a wavelength conversion member holding step in which the wavelength conversion member is held on the upper substrate; and an assembly step in which the lower substrate on which the LED element is mounted, and the upper substrate on which the wavelength conversion member is held, are integrated.
The purposes of the present invention are to make it possible to use an LED wiring board before and after dividing the board by having the board dividable into various sizes, to simplify the dividing operation, and to simplify circuit design. Specifically, the present invention has formed thereon wiring patterns (P4, P5) for carrying currents to an LED (21), said patterns being formed in the planar direction of an LED wiring board (2), and dividing grooves (2M) for dividing the LED wiring board (2) into a plurality of elements are formed on the surface of the LED wiring board (2) in the thickness direction of the board such that the grooves traverse the wiring patterns (P4, P5) in the planar direction. The board can be used as a whole before being divided using the dividing grooves (2M), and can be also used as the divided elements by being divided along any one of the dividing grooves (2M).
Disclosed is a LED light source in which an LED and an LED controller are thermally isolated from and not prone to affect one other, and which is capable of efficiently cooling the LED and the controller. The disclosed LED light source is provided with a first housing (22) which houses an LED substrate (21), a second housing (24) which houses a controller (23) which controls an LED (211), a connecting member (25) which connects the first housing (22) and the second housing (24) in an essentially thermally isolated state, a fan mechanism (26) provided between opposing surfaces of the first housing (22) and the second housing (24), wherein an air intake port (26a) is faces the second housing (24) and an air discharge port (26b) faces outwards along the opposing surface, multiple heat-dispersing fins (27) provided around the perimeter of the fan mechanism (26) on the opposing surface of the first housing (22), and an air guiding unit (4) provided so as to be linked to the outside end (271) of the heat-dispersing fins (27).
F21V 29/00 - Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21V 29/02 - Cooling by forcing air over or around the light source (cooling arrangements structurally associated with electric lamps H01J 61/52, H01K 1/58)
H01L 33/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof
F21Y 101/02 - Miniature, e.g. light emitting diodes (LED)
Disclosed is a LED light source in which an LED and an LED controller are thermally isolated from and are not prone to affect one other, and which has optimized fin shapes corresponding to the permissible temperatures of both the LED and the LED controller. The disclosed LED light source is provided with a first housing (22) which houses an LED substrate (21), a second housing (24) which houses an LED controller (23), a connecting member (25) which connects the first housing (22) and the second housing (24), a fan mechanism (26) disposed between the first housing (22) and the second housing (24), heat-dispersing fins (27) disposed around the perimeter of the fan mechanism (26) in the first housing (22), and air passages (28) in the second housing (24), wherein openings (28a) of one end of the air passages (28) are formed in positions opposing the air inlet side (26a) of the fan mechanism (26), and openings (28b) of the other end of the air passages (28) are formed in a surface other than an opposing surface (24a) of the second housing (24).
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21V 29/02 - Cooling by forcing air over or around the light source (cooling arrangements structurally associated with electric lamps H01J 61/52, H01K 1/58)
F21Y 101/02 - Miniature, e.g. light emitting diodes (LED)
62.
JEWEL APPRECIATION DEVICE AND JEWEL APPRECIATION METHOD
Disclosed is a device for inspiring the customer to buy a ring with a jewel, for example, picked up or tried on by the customer by showing the jewel in a beautiful state. The device comprises a magnifying lens for showing the appreciator a magnified image of a jewel (W1) placed in a jewel placement space (X) and a plurality of point light sources (3) spaced from one another around the magnifying lens (2) and used for illuminating the jewel placement space (X) with white light having a continuous spectrum in the visible light region.
Disclosed is a LED light source device wherein a LED and a control unit for controlling the LED are thermally separated from each other so as not to be thermally affected, and the LED and the control unit can be efficiently cooled. The LED light source device is comprised of a first housing containing a LED substrate, a second housing containing a LED control unit, a coupling member for coupling the first housing and the second housing which are thermally separated, a first heat release structure provided on one of the surfaces of the first housing and the second housing, which are opposite to each other, and a second heat release structure which is spaced from the first heat release structure and provided on the other surface.
Provided is a reflective illumination device wherein even if one end of a heat conduction member is secured to a substrate, and the other end is directly secured to a reflecting mirror, the position or the orientation of an LED can be finely adjusted, the heat release efficiency of heat generated in the LED can be improved, and high-intensity light at the center of light emitted from the LED can be effectively used. A reflective illumination device (100) is provided with a reflecting mirror (1) on which a reflective surface (11) is formed so as to define a concavity on the upper side, a substrate (4) provided so as to be opposite to the center portion (12) of the reflective surface (11), and a LED (3) for emitting light toward the reflective surface (11). Rod-like heat conduction members (5) wherein one end is secured to the substrate (4) and the other end is secured to the reflecting mirror (1) so that the substrate (4) and a heat release structure (2) are thermally connected, are radially extended from the substrate (4) to the outer edge (13) of the reflecting mirror (1).
In order to facilitate effective heat radiation, ease of assembly, and a more compact design, on the part of a luminous body, a linear light irradiating device (100) is configured to have a luminous body mounting substrate (2) housed in an elastic-deformation bent state within a groove-shaped housing space (1b) of a body (1), and is further configured such that either the back of the luminous body mounted section of the substrate (2), or the vicinity thereof, presses tightly by the elastic recoil of the substrate (2), to a front tip face (6a) of a thermoconductive intervening body (6) that protrudes from an inner circumference face (1d) of the housing (1b).
In order to allow image processing devices to perform common image processing even when inspection details or valid inspection areas are changed for each item of image data or even when an illumination/image-pickup system for surface inspection itself is changed, a data structure for image processing includes captured image data indicating images captured by an image pickup device associated with valid image pickup area data indicating a valid image pickup area serving as an area valid for inspection in the captured images and image processing identification data for identifying details of image processing to be performed on the valid image pickup area.
Disclosed is a method for manufacturing an LED light emitting device which achieves easy analysis, classification, and management of a wavelength conversion member, easy control of the emission color and illumination of the LED light emitting device, and high yield. Specifically disclosed is a method for manufacturing an LED light emitting device which is provided with a base having a recessed portion that is open at the upper end surface thereof, and an LED element mounted on the bottom surface of the recessed portion, and which is provided with a sealing member that has a light transmissive property and seals the LED element, and a wavelength conversion member that contains phosphor in this order from the bottom surface side of the recessed portion. The method is provided with: a laminating step for fabricating a laminated body in which the wavelength conversion member is laminated on a light transmissive substrate; a mounting step for mounting the LED element on the bottom surface of the recessed portion of the base; a sealing step for sealing the LED element by filling a light transmissive resin for the sealing member into the recessed portion of the base in which the LED element is mounted; and a loading step for, before curing the light transmissive resin, covering the opening of the recessed portion of the base, into which the light transmissive resin is filled, with the laminated body such that the light transmissive substrate faces to the bottom surface side of the recessed portion.
Disclosed is a light-emitting device which can efficiently converts the wavelength of light emitted from an LED element and furthermore, efficiently take out the wavelength-converted light. The light-emitting device is provided with: a substrate wherein a concavity opening in the top end surface is formed; the LED element mounted onto a side surface of the concavity; and a sealing member which internally contains fluorescent bodies and seals the LED element.
Disclosed is an illumination device that can capture insects such as mosquitoes and flies without disturbing the ambiance of a room, making noise, or scattering insect carcasses, while having improved design and decorativeness. The device is provided with an inner wall (11) that forms a first space (S1), LEDs (2) that irradiate light within the first space (S1), a light-emitting surface that emits light received from the LEDs (2), an outer wall (12) that forms a second space (S2) between the inner wall (11) and the outer wall (12), a connection hole (4) that connects the first space (S1) and the second space (S2), a suction mechanism (5) that sucks in air from the first space (S1) into the second space (S2), and an insect storage unit (6) that is positioned below the second space (S2).
Disclosed is a light emitting device, by which ultraviolet rays and short-wavelength visible rays can be efficiently converted into visible rays having longer wavelengths and the converted visible rays can be efficiently taken out to the outside of the device. The light emitting device is provided with: a base body having a section recessed from the upper end surface of the base body; an LED element which is mounted on the bottom surface of the recess and emits the ultraviolet rays or the short-wavelength visible rays; and a short-wavelength transmission filter, which passes through the ultraviolet rays and the short-wavelength visible rays and reflects the visible rays having the longer wavelengths, a wavelength conversion member which contains a fluorescent material, and a long-wavelength transmission filter, which passes through the visible rays having the longer wavelengths and reflects the ultraviolet rays and the short-wavelength visible rays, said short-wavelength transmission filter, the wavelength conversion member and the long-wavelength transmission filter being disposed in this order from the light emitting surface side of the LED element. The short-wavelength transmission filter is adhered on the base body such that the short-wavelength transmission filter hermetically seals the LED element in the recess.
Disclosed is a light emitting device which can excellently control the color temperature of white light and has excellent color rendering properties. The light emitting device is provided with: a plurality of kinds of LED elements which emit ultraviolet rays having different wavelengths or short-wavelength visible rays; a single wavelength converting member, which contains a fluorescent material and derives white light by converting the ultraviolet rays or the short-wavelength visible rays that have been emitted from the plurality of kinds of LED elements; and a current control unit which changes the value of a current to be supplied to the plurality of kinds of LED elements.
Provided is a light-source device that excels in cooling efficiency, and wherein multiple light-source devices can be used by stacking them in the vertical direction, and which is to be used by having multiple light-source devices stacked in the vertical direction. The light-source device is provided with: a casing that has a height sufficiently smaller than the dimensions in the depth and width directions, and that has air-intake holes for bringing-in outside air and exhaust holes for discharging inside air, formed on the walls thereof; a fan that is arranged inside the aforementioned casing so as to have the rotating axis thereof slanted in regard to the height direction of the casing, that partitions the interior of the aforementioned casing into a front chamber and a rear chamber, and that forms an airflow from the aforementioned air-intake holes to the aforementioned exhaust holes; light-sources that are accommodated within the front chamber of the aforementioned casing; and a heat-radiation fin installed within the front chamber of the aforementioned casing, thermally connected to the aforementioned light-source. The aforementioned air-intake holes are formed on the walls of the front chamber of the aforementioned casing, and the aforementioned exhaust holes are formed on the rear wall of the aforementioned casing.
Provided is a light source unit whereby the number of parts is reduced and assembly work is simplified, whereby damage to LED is prevented, and whereby positioning of LED and a bracket member is securely performed. This light source unit (3) is equipped with an LED board (5) whereon a plurality of LEDs (52) are provided in a row, a heat transfer member (6) having viscoelasticity, a heat dissipation member (7) wherein a sliding groove (71) is formed, and a bracket member (8) having latching pawls (821) which slidably latches with the sliding groove (71). Furthermore, the light unit (3) subjects the bracket member (8) and the heat dissipation member (7) to sliding movement so that the latching pawls (821) latch with the sliding groove (71), thereby causing the heat dissipation member (7), the heat transfer member (6), the LED board (5), and the bracket member (8)to be pressed into contact with one another.
Disclosed is an LED light-emitting device wherein the heat of a wavelength conversion member that contains a phosphor can be efficiently dissipated. The LED light-emitting device comprises: a base that is provided with a recess having an opening in the upper surface; an LED element that is mounted on the bottom surface of the recess; a light-transmitting member that seals the LED element; a wavelength conversion member that contains a phosphor and is arranged on the light-transmitting member; and a light-transmitting heat dissipation member that is arranged on the wavelength conversion member and covers the opening of the recess.
Disclosed is an LED light-emitting device which is suitable for use as a point light source. The LED light-emitting device comprises: a base that is provided with a recess having an opening in the upper surface; an LED element that is mounted on the bottom surface of the recess; a light-transmitting member that is filled into the recess; and a wavelength conversion member that is composed of a plate containing a phosphor and covers the opening of the recess by being arranged on the upper surface of the base. The lower surface of the wavelength conversion member and the upper portion of the LED element are close to or in close contact with each other.
Provided is a method for manufacturing an LED light emitting device, wherein wavelength conversion members are easily sorted and managed, light emitting colors and luminance of the LED light emitting device are easily controlled and a high yield is achieved. The method is provided for manufacturing the LED light emitting device, which is provided with a base body having a recessed part opened on the upper end surface, and an LED element mounted on the bottom surface of the recessed part, and has a translucent sealing member sealing the LED element, and the wavelength conversion member containing a fluorescent material laminated in this order from the side of the bottom surface of the recessed part. The method is provided with: a laminating step of manufacturing a laminated body having the wavelength conversion member laminated on the translucent substrate; a mounting step of mounting the LED element on the bottom surface of the recessed part of the base body; a filling step of filling the recessed part, which is of the base body and has the LED element mounted thereon, with a translucent sealing resin; and a mounting step of, prior to curing the translucent sealing resin, covering the opening of the recessed part filled with the translucent sealing resin in the base body with the laminated body such that the wavelength conversion member faces the bottom surface of the recessed part.
An LED light emitting device wherein the color temperature of white light can be easily controlled. To provide such a device, said device is provided with a plurality of types of light emitting sections emitting color light, each section comprising an LED element emitting ultraviolet rays or visible violet light and a phosphor absorbing the ultraviolet rays or visible violet light and emitting color light. The beams of color light emitted by the plurality of types of light emitting sections become white light if all the beams merge with each other. The LED elements of the plurality of types of light emitting sections are all the same, are mounted on a single base material, and are set in a way so that two or more light emitting sections overlap with each other at one portion.
The plant cultivation device (100), which is capable of providing a suitable growing environment for plants, is equipped with: an LED substrate (2) on which is mounted an LED (21) which emits light for plant growth; a lens substrate (3) having a lens part (31) which focuses light from the LED (21) and directs the light to the plants; and a suction mechanism which sucks air from the space on the back side of the LED-mounting face of the LED substrate (2). In addition, the LED substrate (2) has multiple first through-holes (2a); the lens substrate (3) has multiple second through-holes (3a); the flow path resistance of the first through-holes (2a) is greater than the flow path resistance of the second through-holes (3a); and the first through-holes (2a) are provided in a greater number than that of the second through-holes (3a).
Disclosed is an illumination device in which surface-mounted chip-type LEDs are employed, and wiring substrates are formed in a truncated conical shape, for example. Also disclosed is a method for the simple manufacture of the illumination device. The method involves manufacturing an illumination device (100) in which chip-type LEDs (1) are loaded on the surface of strip-like wiring substrates (2) which have a flexible partial ring shape or linear shape, and the wiring substrates (2) have a rounded truncated conical shape or cylindrical shape such that the end edges thereof abut one another. The wiring substrates (2) are provided with through-holes (T), for filling with solder paste (S), at the wiring ends (L) to which terminals (12) of the LEDs (1) are connected. The LEDs (1) are temporarily fixed by adhesive (B) to the wiring substrates (2) that are held in a flat plate condition, and the LEDs (1) are mounted by filling the through-holes (T) with solder paste (S) from the rear faces of the wiring substrates (2). The wiring substrates (2) with the through-holes (T) filled with solder paste (S) are rounded in the aforementioned shapes and the LEDs (1) are soldered by reflow soldering of the wiring substrates (2) in this condition.
An aquatic photosynthetic organism-culture apparatus that easily controls the degree of light emission from a light lead-out surface to a culture liquid and that is equipped with a photoconductive member that resists contamination. The apparatus is equipped with a culture vessel that contains a culture liquid and is capable of culturing an aquatic photosynthetic organism therein, and a photoconductive member that has a light lead-out surface that emits light introduced inside into the culture vessel, and wherein either light-scattering particles are dispersed inside or fine concavities and convexities are formed on the light lead-out surface. In addition, a cover layer comprised of a substance that exhibits photocatalytic behavior is formed on the light lead-out surface.
Provided is a light irradiating device which has reduced number of part items and reduced manufacturing cost by having the sizes of LED substrates (2) identical. The light irradiating device is provided with a long LED substrate (2) whereupon a plurality of same LEDs (21) are mounted, and a case (3) having a substrate storing space for storing the LED substrate (2). The number of the LEDs (21) wherein a difference between a power supply voltage (VE) and the total of forward voltages (Vf) obtained when the LEDs (21) are connected in series is within a prescribed allowable range is set as an LED unit number. The number of LEDs (21) to be mounted on the LED substrate (2) is a common multiple of the LED unit number fixed for each of the LEDs (21) having different wavelengths.
To reliably keep an LED board (2) and a heat conductive member (4) in close contact to improve the heat-dissipation efficiency and to reliably position an LED (21) and a lens part (501) or other optical elements provided in a housing (3), the components are the slim LED board (2), the housing (3) that has an accommodating recess (301) to accommodate the LED board (2), the heat conductive member (4) that is provided between the LED board (2) and the accommodating recess (301), and the lens part (501), a pressing member (5) that presses a long side edge part (201) of the LED board (2) against the bottom surface of the accommodating recess (301) of the housing (3), an affixing mechanism (6) for affixing the LED board (2), the heat conductive member (4) and the pressing member (5) in the housing (3), and a positioning mechanism (7) for positioning lens part (501) relative to the LED (21).
A coaxial light radiating device for radiating light on a work (W) such as a product to inspect the surfaces of the work. A micro EL element (2) comprises a transparent electrode layer (22) disposed on the work side, a nontransparent electrode layer (23) disposed on the anti-work side, and a light emitting layer (21) disposed between these electrodes (22) and (23) and emitting light by a voltage imparted thereto. A large number of the micro EL elements are arranged parallel with each other through clearances (S) therebetween. As a result, uniform lighting, compactness, and a reduction in weight can be further promoted in the coaxial light radiating device.
G01N 21/84 - Systems specially adapted for particular applications
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
An illumination device has a transparent body (2) for light diffusion and light emission bodies (3). The transparent body (2) is formed in the shape of a rotating body having a center hole (11) and has a light emission surface (2c) and a light guide surface (2b). The light emission bodies (3) introduce light to the light guide surface (2b) of the transparent body (2) and cause the light emission surface (2c) to perform surface light emission. The light guide surface (2b) is provided on that inner peripheral section of the transparent body (2) that surrounds the center hole (11). The illumination device further has a reflective layer (41) for reflecting light to surfaces other than the light guide surface (2b) and light emission surface (2c) of the transparent body (2), and the light from the light emission body (3) is emitted toward an outer peripheral surface (2e) of the transparent body (2). The illumination device performs uniform surface light emission by less number of light emission bodies.
A light irradiation apparatus is provided with a light transmitting plate (31), which is arranged to face a work (W) to be irradiated with light, such as a product, by having one plane as a work facing plane (31a) and has a prescribed thickness; multiple reflecting sections (32), which are arranged to have light reflecting planes face the work (W) and to form fine spaces (S) in between, on the other plane of the light transmitting plate (31); a light source section (5) arranged at such position that at least a part of outputted light passes through the light transmitting plate (31) and reaches the light reflecting plane, is reflected on the light reflecting plane and outputted from the work facing plane (31a); and a reflection preventing film (33) for covering the work facing plane (31a). Thus, the light irradiation apparatus which can reduce moiré with the simple constitution at low cost without sacrificing reduced sizes is provided.
An optical unit eliminating the need of alignment between a rod lens and a condensing lens, requiring fewer molding processes and components, and being capable of improving assembling work efficiency and reducing costs. The optical unit comprises a condensing unit (41) and a light transmitting unit (42) integrally formed on the tip end side of the condensing unit (41) and having its axis agreeing with that of the condensing unit (41). The condensing unit (41), forming a rotation body shape around an optical axis C that diverges from the base end toward the tip end, comprises a recess (43) opened in the base end surface (41a) to house a light emitting element (21), a side peripheral surface (41c) for reflecting light from the light emitting element (21) inwardly, and a tip end surface (41b) conducting light from the light emitting element (21) to a light transmitting unit (42). The light transmitting unit (42), forming an almost cylindrical shape, comprises a base end surface (42a) for introducing light from the condensing unit (41), a side peripheral surface (42c) for reflecting inwardly light introduced via the base end surface (42a), and a tip end surface (42b) for emitting light introduced via the base end surface (42a) to the outside.
There is provided a light irradiation device capable of adjusting enlargement/reduction of a light irradiation area and introducing almost all the light emitted from an LED element without loss to the light irradiation area. The light irradiation device includes an LED element (11) and an optical unit (2) passing the light from the LED element (11) and emitting it from an end surface (21). The light irradiation device further includes an element holding body (1A) for holding the LED element (11) at the end surface, and a position adjusting mechanism for adjusting the relative position of the optical unit (2) with respect to the LED element (11) along an optical axis C. The position adjusting mechanism relatively moves the optical unit (2) with respect to the LED element (11) between an approximate position (P1) where the element holding body (1A) is partially or entirely contained in a base indentation (25) and an apart position (P2) where the element holding body (1A) is substantially entirely out of the base indentation (25) and the end surface of the element holding body (1A) is substantially at the same height as the base surface (22) of the optical unit (2).
A light applying device further smoothens assembly-related work and stabilizes quality of products. The device has an LED (5); an optical unit (4) engaged with the LED (5) with their axes aligned with each other; a tubular first housing element (2) having, in its rear surface, an opening (D) through which the optical unit (4), LED (5), etc. are inserted into the inside of the element; a come-out prevention member (R) engaged to the vicinity of the opening of the first housing element (2) and preventing the optical unit etc. inserted in the first housing element from coming out; a second housing element (3) installed in a predetermined position of the first housing element to close the opening (D), forming a casing (CS) in cooperation with the first housing element (2); and a forwardly projecting section (10) provided in the second housing element (3). In the predetermined position, the projecting section (10) presses the back side of the LED (5) to engage the optical unit (4) and the LED (5), thereby aligning the axes of the two.
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