Provided is a lighting system capable of achieving lighting whereunder competitions can be performed comfortably. According to an embodiment of this invention, the surface to be illuminated for the lighting system is the interior of a competition venue. The lighting system is equipped with a plurality of lighting instruments. Each of the plurality of lighting instruments has a light-emitting surface that emits the light from a light source. The plurality of lighting instruments are disposed in such a manner that, when the light-emitting surface is observed from an arbitrary position on the surface to be illuminated, the solid angle of a light emitting surface having a high brightness of a predetermined brightness or greater is smaller than a predetermined solid angle.
The present invention comprises a metal base material, an insulating layer provided upon the base material, and a wiring layer provided upon the insulating layer. The insulating layer includes a first area and a second area provided between the first area and the base material. The first area includes silicon oxide and a plurality of first fine structures. The second area includes silicon oxide and a plurality of second fine structures having a higher thermal conductivity than the first fine structures.
The present invention provides a light-emitting module substrate including a base material, a reflective layer, and a wiring layer. The base material has electrical-insulation properties. The reflective layer is provided upon at least some of the base material and includes a plurality of fine structures and a silicon oxide section provided around at least some of the plurality of fine structures. The wiring layer is provided upon at least some of the base material.
Provided is a lighting device which is provided with a first substrate, a first conductive layer, a first electrode, an organic layer and a second electrode. The first substrate has a main surface which comprises a first region and a second region that is arranged side by side with the first region in a first direction. The first conductive layer has a light-reflecting conductive part that is provided on the second region and a plurality of openings that are arranged in a line. The first electrode, the organic layer and the second electrode are laminated in this order. The second electrode has a plurality of first portions that are provided on the organic layer and a plurality of second portions that are provided on the first conductive layer and respectively connected to the plurality of first portions, while being electrically connected to the first conductive layer. The plurality of first portions extend in the first direction and are aligned in a second direction. Consequently, a lighting device that has light permeability and high reliability and a lighting system are provided.
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
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 33/12 - Light sources with substantially two-dimensional radiating surfaces
H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
Provided is a lighting device that is equipped with first and second base plates, a sealing part, an element part, a moisture absorption part, and a first light shielding part. The first base plate has a first surface and a second surface opposing the first surface; the first surface has first and second regions, and the second surface has a third region opposing the first region and a fourth region opposing the second region. The second base plate has a third surface opposing the first surface and a fourth surface opposing the third surface; the fourth surface has a fifth region opposing the first region and a sixth region opposing the second region. The element part has a first electrode above the first and second regions, a second electrode between the first electrode and the second base plate, and an organic layer between the first and second electrodes. The moisture absorption part is provided between the second and sixth regions, and does not oppose the fifth region. The first light shielding part opposes the sixth region but does not oppose the fifth region. Due to this configuration, a lighting device and lighting system are provided that make it possible to enlarge the area ratio of a light-emitting region.
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)
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
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
A lamp apparatus (1) is provided with: an annular housing (2) having a center part thereof opened in the front-rear direction; a light emitting body (3) having a substrate (14), and a light emitting element (15) mounted on the substrate (14); and a heat dissipating body (4), which has one end-side end surface larger than a maximum diameter of a substrate (14) region where the light emitting element (15) is mounted, the other end-side end surface having a heat dissipating surface (19b) formed thereon, and which has the light emitting body (3) attached to the housing (2) such that the light emitting body outputs light to the front side of the housing (2). The heat dissipating body (4) is formed so as to satisfy relational expressions of B>A, T=(B-A)/2, and T≥A/4, where (T) is a thickness from the one end-side end surface to the other end-side end surface, (A) is a size corresponding to the region having the light emitting element (15) mounted on the substrate (14) on the one end side-end surface, and (B) is a size of the heat dissipating surface (19b) formed on the other end-side end surface.
Provided is a lighting device equipped with a light source module and a device body. The light source module is equipped with: an elongated support body that supports a substrate on which a light source is disposed; and a cover that has a pair of plates inclined in such a manner that the width widens from the substrate side toward the direction in which light is emitted from the light source, and covers the substrate supported by the support body. The device body has an engagement part that engages with a part to be engaged, which is disposed on the light source module, and supports the light source module via engagement of the engagement part and the part to be engaged, so as to be capable of being attached and detached. Thus, a lighting device with improved ease of assembly is provided.
F21S 8/04 - Lighting devices intended for fixed installation intended only for mounting on a ceiling or like overhead structure
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
F21Y 101/02 - Miniature, e.g. light emitting diodes (LED)
The illumination device pertaining to an embodiment of the invention is provided with: a substrate; a wiring pattern provided on the surface of the substrate, the wiring pattern having a wiring pad; a light-emitting element provided on the wiring pattern, the light-emitting element having an electrode on the surface on the side opposite that at which the light-emitting element is provided on the wiring pattern; an enclosure wall member provided so as to enclose the light-emitting element; a wire for connecting the wiring pad and the electrode; and a sealing part for covering the light-emitting element and the wire, the sealing part being provided on the inside of the enclosure wall member. The angle between the wire and a line segment linking the center position of the portion of the substrate enclosed by the enclosing wall member and the position at which the wire is connected to the wiring pad is 0° to 45° or 135° to 180°.
A lighting device in an embodiment is provided with the following: a substrate that contains a ceramic in at least the surface thereof; a light-emitting element provided on the surface of the substrate; a wiring pattern that is provided on the surface of the substrate and is electrically connected to the light-emitting element; an enclosing-wall member provided so as to enclose the light-emitting element; a joining part provided between the substrate and the enclosing-wall member; and a covering part that is provided between the substrate and the joining part and contains a glass material.
According to an embodiment of the present invention, a lighting apparatus is provided with: a main body section; a substrate that is provided in the main body section; a wiring pattern, which is provided on the surface of the substrate, and which has a plurality of wiring pads; a plurality of light emitting elements, each of which is provided on the wiring pattern, and has an electrode close to the periphery of the surface on the reverse side of the surface on which each of the light emitting elements is provided on the wiring pattern; a plurality of wiring lines that connect the wiring pads and the electrodes, respectively; a surrounding wall member, which is provided to surround the light emitting elements, and which has an annular shape; and a sealing section that is provided to cover the inner side of the surrounding wall member. At least some of the light emitting elements are connected in series. In the electrical connection between the light emitting element and the light emitting element among the light emitting elements connected in series, the electrodes are respectively positioned on a circumference or inside of the circumference, which has a first position at the center, and which passes the centers of the light emitting elements connected in series.
According to an embodiment of the present invention, a lighting apparatus (1) has a socket section (2), a light emitting section (3), and a cover section (4). The light emitting section (3) is provided in a housing section (21) of the socket section (2), and has light emitting elements (31). The cover section (4) closes the housing section (21) of the socket section (2), and has an opening (41) formed therein, said opening passing through light radiated from the light emitting elements (31). A light emitting section (3) end surface (light emitting section upper surface (3a)) on the opening (41) side overlaps the opening (41) in the thickness direction of the cover section (4), and the end surface is positioned further toward the light emitting section (3) side than a cover section (4) end surface (cover section upper surface (4a)) on the reverse side of the light emitting section (3). The highly reliable lighting apparatus and a lighting apparatus for vehicles are provided.
A lamp system (10) is provided with a straight tube lamp (13) and a socket (14). The straight tube lamp (13) has a straight tube-shaped cover (20) having light emitting elements housed therein, and ferrules (23) that are disposed at both the ends of the cover (20). On the end surface of each of the ferrules (23) at both the ends, a pair of lamp pins (30) are provided to protrude therefrom, said lamp pins having leading ends thereof protruding in the direction intersecting the longitudinal direction of the lamp. The socket (14) has: a socket main body (41); a rotor (42), which is disposed on the socket main body (41), and which has the pair of lamp pins (30) of the straight tube lamp (13) mounted thereon; and a pair of terminals to which the pair of lamp pins (30) mounted on the rotor (42) are connected. At least the rotor (42) is made movable in the longitudinal direction of the lamp.
This solid-state light emitting device is equipped with: a linear light emitting body provided with a quartz optical fiber which has a core and a cladding provided around the core and in which laser beams having wavelengths in the ultraviolet to blue light regions and introduced into the core end face on one end are reflected off the interface between the core and the cladding and guided toward the other end while scattered light at the interface is emitted outward through the cladding, and a wavelength conversion layer which is provided so as to cover a first region on the outer edge of the quartz optical fiber; a light source for emitting the laser beams; and a frame around which the linear light emitting body is wound. The wavelength conversion layer, which absorbs the scattered light radiated thereon, emits wavelength-converted light, and a mixed light of the wavelength-converted light and the scattered light emitted outward without being absorbed by the wavelength conversion layer is emitted from the outer edge of the linear light emitting body.
The purpose of the present invention is to provide a discharge lamp and a lighting tool for a vehicle capable of controlling the boost of tube voltage during product life. A discharge lamp (100) according to an embodiment comprises: a light emitting part (11) having a discharge space (111) inside in which a metal halide (2) including an indium halide is sealed; and a pair of electrodes (32) which projects inside the discharge space (111), the electrodes arranged opposite each other at a prescribed distance. The ratio of indium halide contained in the metal halide (2) is 0.1 wt% - 0.33 wt%. Further, a dimension (d) that is the longest part of the discharge space (111) in the direction orthogonal to the direction in which the pair of electrodes (32) extends in the discharge space (111) is 1.5 mm - 2.3 mm.
H01J 61/18 - Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
According to the embodiment of the present invention, a light emitting apparatus is provided with: a main body section; a light emitting section, which is provided in the main body section, and which has a light emitting element; a cover that is provided on the main body section side on which the light emitting section is provided; and a bonding section that is provided on a part of a region on the main body section side on which the light emitting section is provided, said region being between the main body section and the cover.
This solid-state lighting device has a light source section, which has a semiconductor light emitting element, and which outputs excitation light, a light guide section, a wavelength conversion layer, and an irradiation region moving means. The light guide section has a light input section into which the excitation light is introduced, and an irradiation section from which the excitation light is outputted. The wavelength conversion layer has: a first region, which absorbs the excitation light, and which outputs first wavelength conversion light having a wavelength longer than that of the excitation light; and a second region, which absorbs the excitation light, and which outputs second wavelength conversion light having a wavelength longer than that of the excitation light. The emission spectrum of the first wavelength conversion light and that of the second wavelength conversion light are different from each other. The ratio of the first wavelength conversion light to the light output of the excitation light outputted through the first region, and the ratio of the light output of the second wavelength conversion light to the light output of the excitation light outputted through the second region are different from each other. The irradiation region moving means changes an irradiation position of the excitation light outputted from the irradiation section, said position being on the surface of the wavelength conversion layer.
Provided is a discharge lamp having excellent bonding strength between a metal foil and an electrode. This discharge lamp is provided with: a metal foil (31) having a first surface and a second surface (312); and an electrode (32) that is connected to the metal foil (31). In the discharge lamp, a welding mark (36) is formed such that the first surface and at least a part of the electrode (32) overlap each other, and the welding mark (36) has an elliptical shape that is long in the axis direction of the electrode (32) when viewed from the second surface (312) side. The ratio (L1/L2) between a first length (L1) of the welding mark (36), said first length being in the axis direction of the welding mark, and a welding mark second length (L2) in the direction orthogonal to the axis direction satisfies formula of 1.08≤L1/L2≤1.56.
This light-emitting device comprises: a substrate having a wiring unit provided thereon; a light-emitting element provided upon the substrate and electrically connected to the wiring unit; a power supply unit having power supplied thereto from outside; a first connection unit provided upon the substrate and electrically connected to the wiring unit; a second connection unit solder-bonded to the first connection unit and having a first opening section into which the power supply unit is inserted; and a soldered section provided between the first opening section and the power supply unit.
A lamp system (10) is provided with a straight-tube lamp (13) and a socket (14). The straight-tube lamp (13) has a straight-tube-shaped cover (20) that houses a semiconductor light-emitting element and that is at least partially translucent, and caps (23) disposed on both ends of the cover (20). A pair of lamp pins (30), the tip of each of which projects outward, are provided protruding from the end face of each of the caps (23), and an erroneous mounting prevention protrusion (31) is also provided protruding therefrom. The straight-tube lamp (13) is mounted in the socket (14) by inserting the pair of lamp pins (30) from the outer face and rotating the straight-tube lamp (13) disposed on the front side. The socket (14) has a recessed section (63) into which the erroneous mounting prevention protrusion (31) is inserted and rotated in conjunction with the insertion and rotation of the pair of lamp pins (30).
Provided is a metal halide lamp having fast light beam startup. The present invention is a metal halide lamp, which is for vehicles, does not contain mercury, is supplied with 23-27 W of electrical power during stable lighting, and is equipped with a light-emitting tube provided with both a light-emitting section (11) provided with a discharge space (111) therewithin and a pair of seal sections (12) formed at both ends of the light-emitting section (11), and wherein the discharge space (111) is provided with a cylindrical section (1111), and conical sections (1112) formed at both ends of the cylindrical section (1111), and when the thickness of the section having the greatest outer diameter of the light-emitting section (11) is d1 and the thickness of the light-emitting section (11) between a boundary point (P1) of the light-emitting section (11) and the seal sections (12) and a point (P2) on the conical sections (1112) when a vertical line is drawn from the boundary point (P1) to the conical sections (1112) is d2, 1.6 mm ≤ d1 ≤ 1.8 mm and 0.75 ≤ d2/d1 ≤ 0.95 are satisfied.
H01J 61/88 - Lamps with discharge constricted by high pressure with discharge additionally constricted by envelope
H01J 61/86 - Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
21.
LIGHT EMITTING DEVICE, METHOD FOR MANUFACTURING SAME, AND PACKAGE MEMBER
This light emitting device has a first package member, a semiconductor laser element, a second package member, a metal bump, a ferrule, and a bonding layer. The first package member has: a first insulating substrate; a first electrode, which includes a die pad section, an outer conductive section, and a connecting section; and a first sealing conductive section. The semiconductor laser element is capable of emitting laser light having a wavelength within a blue-violet to blue wavelength range. The second package member has: a second insulating substrate; a second electrode, which includes an inner conductive section, an outer conductive section, and a connecting section; and a second sealing conductive section. The metal bump connects the second electrode and the semiconductor laser element to each other. The bonding layer bonds the first sealing conductive section, the second sealing conductive section, and the ferrule to each other. The first insulating substrate and/or the second insulating substrate is provided with a recessed portion and a side-surface opening. The ferrule of an optical fiber is inserted into the side-surface opening.
A solid-state lighting device has: a semiconductor laser (11) that can discharge laser light in a blue-violet to blue wavelength range; a heat conduction part (34); and a wavelength conversion layer (32). The wavelength conversion layer includes a first surface (32a) and a second surface (32b) and has a thickness t1 (m), surface area S (m2), and thermal conductivity σ1 (Wm-1K-1). The luminous flux of the laser light irradiating the second surface is absorbed, light with a converted wavelength discharged, and heat also generated. Letting Lv (cd·m-2) be the perpendicular brightness for the light emitting surface on the second surface for mixed light of wavelength converted light and scattered light that is generated by multiple reflection or multiple scattering by the wavelength conversion layer and when ηth (W·lm-1) is the thermal conversion efficiency, which is the amount of heat generated by the wavelength conversion layer divided by the luminous flux, Lv ≥ 40 × 106 and (t1/σ1) × ηth ≤ 2 × 10-6/π(m2·K·lm-1) hold true.
In the present invention, a light emitting panel has a transmissive light emitting region comprising a light emission section for emitting light and a light transmitting section for transmitting light. The light emission section of the transmissive light emitting region has a light emitting part that emits light and a conductive reflective layer that blocks and reflects light. The light emitting part of the transmissive light emitting region has the following: a first electrode layer that is electrically connected to one surface of the reflective layer and that is conductive and light transmissive; a second electrode layer that is disposed facing the first electrode layer and that is conductive and light transmissive; and an organic EL layer interposed between the second electrode layer and the first electrode layer. The light transmitting section of the transmissive light emitting region has a first electrode layer that is not in the position of the reflective layer, a second electrode layer, and an organic EL layer. In the space between the first electrode layer and organic EL layer of the light transmitting section of the transmissive light emitting region, an insulative and light transmissive resin layer is filled thereinto.
H05B 33/24 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers of metallic reflective layers
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 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
H05B 33/28 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode of translucent electrodes
Voltage sensors (CT1, CT2, CT3) detect voltage in a primary-side electric circuit (22) for a protection device (16) in a distribution board (11) to which commercial AC power is input, and also in secondary-side electric circuits (23, 24) for the protection device (16) having branched breakers (21) connected thereto. The storage cell system enables power to be supplied from a storage cell (13) to the distribution board (11) side. A control unit (33) supplies power from the storage cell (13) to the distribution board (11) side only when a voltage is not detected in the primary-side electric circuit (22) for the protection device (16), on the basis of the voltage detection by the voltage sensors (CT1, CT2, CT3).
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H02J 7/34 - Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
H02J 9/00 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
This solid-state lighting device has a light source section, a waveguide, a light-guiding body, a wavelength conversion layer, and an outer tube section. The light source section has semiconductor lasers and drive circuits, and emits multiple laser beams in a wavelength range of blue-violet to blue. The waveguide respectively guides the multiple laser beams. The light-guiding body, which comprises a first surface, a second surface, and a side surface, scatters the multiple laser beams introduced through the first surface while guiding the laser beams toward the second surface, and emits the resulting light through the side surface. The wavelength conversion layer has an inner edge and an outer edge, and fluorescent particles are distributed in a scattered manner inside the wavelength conversion layer. The wavelength conversion layer emits, through the outer edge, the wavelength-converted light and scattered light that results from multiple scattering of residual light, that is, a portion of the light that is emitted through the side surface without being absorbed by the fluorescent particles. The outer tube section is provided so as to surround the outer edge of the wavelength conversion layer, scatters the scattered light and the wavelength-converted light by means of a rough surface, and emits the resulting light as mixed light through the outer surface thereof.
Provided is an optical semiconductor light source that is equipped with: an optical-semiconductor mounting circuit board; a plurality of semiconductor light-emitting elements that are mounted on the optical-semiconductor mounting circuit board; and a reflector that is mounted on the optical-semiconductor mounting circuit board, and that surrounds the plurality of semiconductor light-emitting elements. The plurality of semiconductor light-emitting elements are arranged to be equally distanced from the reflector. The distances from the center of the space surrounded by the reflector to each of the plurality of semiconductor light-emitting elements are greater than the distance from each of the plurality of semiconductor light-emitting elements to the reflector.
The light-emitting device is configured so that blue laser light emitted from a laser light source is input from the entrance face of an optical fiber and is emitted from the respective emission surfaces of branched first and second optical fibers. At the position facing the emission surface of the first optical fiber, a first light guide is disposed. In the process of guiding the laser light that has been input into the entrance face, a fluorophore layer is excited to generate a transformed light of a wavelength that differs from blue. The transformed light and the laser light are combined and emitted from the emission surface. At the position facing the emission surface of the second optical fiber, a second light guide is disposed. In the process of guiding the laser light that has been input into the entrance face, the light is scattered with a light-scattering processed section formed on the surface of the second light guide and is emitted from the emission surface.
A solid illumination device, having: a light source unit, a light emission unit, a light reception unit, a light guide unit, and a protective circuit. The light source unit has a semiconductor laser having a light emission layer made from a nitride, and a driving circuit. The light source unit releases laser light in the wavelength range of bluish purple to blue. The light emission unit has a heat conduction part, a wavelength conversion layer for absorbing laser light and releasing wavelength-converted light, and an optical part capable of guiding the laser light. The light reception unit is capable of detecting light returning from the optical part. The light guide unit guides laser light from the light source unit to the optical part, and guides the returning light from the optical part to the light reception unit. The protective circuit outputs a drive discontinuation signal to the driving circuit upon detecting, from an electrical signal outputted from the light reception unit, that the amount of returning light is outside a predetermined range. Upon being inputted with the drive discontinuation signal, the driving circuit discontinues driving of the semiconductor laser.
F21V 25/04 - Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken breaking the electric circuit
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
H01S 5/062 - Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
A band-shaped illumination device comprising: a light-emitting element; a band-shaped light guide body that guides light emitted from the light-emitting element, and has an incidence surface to which light emitted from the light-emitting element is incident, an emitting surface extending in the light guiding direction and capable of emitting the guided light, and a bottom surface on the opposite side to the emitting surface and extending in the light guiding direction; and a light emitting layer being a light emitting layer having a first surface extending along the light guiding direction and a second surface on the opposite side to the first surface, and including at least either a light scattering material capable of scattering the light emitted by the light guide body or a wavelength conversion material capable of absorbing the light emitted from the light guide body and emitting a wavelength-converted light. The width of the band-shaped light guide body along the emitting surface in an orthogonal surface orthogonal to the light guiding direction is smaller than the length of the band-shaped light guide body along the light guiding direction, and greater than the thickness of the band-shaped light guide body in the orthogonal surface.
In the present invention, a solid state illumination device has a light source, a light guide, and a light emitter. The light source has a semiconductor laser and a drive circuit for controlling the semiconductor laser, and emits a plurality of laser-light beams in the blue-violet to blue color wavelength range. The light guide has a plurality of light guiding paths that respectively guide the plurality of laser-light beams. The light emitter has a thermal conductor having a first surface, a wavelength conversion layer provided on a central portion of the first surface, and an optical unit having a top surface, a lateral surface, and a bottom surface, where at least a portion of the bottom surface of the optical unit comes into contact with the first surface. In the light emitter, one end of each of the plurality of light guide paths is, as seen from above, disposed outside of the central portion, and a plurality of laser-light beams that are incident on the optical unit by way of the ends radiate the wavelength conversion layer after being guided. Wavelength converted light emitted from the wavelength conversion layer that absorbed the plurality of laser light beams, and scattered light generated due to the conversion of the plurality of laser light beams within the light emitter are emitted from the top surface of the optical unit.
The tubular heater (1) of an embodiment is provided with a long glass tube (10), a filament (3) which is disposed within the glass tube (10) so as to extend along the tube axis, and anchors (4) which are mounted to the filament (3). The anchors (4) are each provided with an engagement section (41) which is connected to the filament, an extended section (42) which has one end connected to the engagement section (41) and the other end extending toward the wall of the glass tube (10), and a retaining section (43) which is formed so as to extend along the tube wall from the other end of the extended section (42). The retaining sections (43) are each configured so that the center angle (α) thereof relative to the center (C) of the glass tube (10) satisfies the expression of 180˚ ≤ α < 360˚. As a result of the configuration, the amount of use of a metallic wire which constitutes the anchors can be reduced.
This method for assembling a discharge lamp comprises selecting a first hold position or a second hold position for one type of shared burner. In the first hold position, a holding piece (43) is tilted toward a first surface at a first angle with respect to the diametrical direction of a ring part (42), a distal end of the hold piece is caused to protrude toward the first surface, and an outer tube is held. In the second hold position, the holding piece is tilted toward a second surface at a second angle smaller than the first angle with respect to the diametrical direction of the ring part, the distal end of the hold piece is caused to protrude toward the second surface, and the outer tube is held. The distance between the center of a light-emitting unit and a reference projection can thereby be changed.
A light-emitting device comprises a first electrode, a second electrode, a semiconductor laser element, a bonding wire, a translucent frame portion and a lid portion. The first electrode has a projecting portion, a bottom surface that surrounds the projecting portion, and a first surface. The second electrode has a first surface that faces the bottom surface of the first electrode, and has a second surface. Moreover, the second electrode has an opening, and a step portion that recedes from the second surface in the direction of the first surface. The semiconductor laser element is provided above the projecting portion, and has a light-emitting layer. The bonding wire is capable of electrically connecting the semiconductor laser element and the step portion. The translucent frame portion comprises glass and surrounds the projecting portion and the semiconductor laser element. The translucent frame portion is bonded to the bottom surface, and to the first surface of the second electrode. The lid portion is bonded to the second surface of the second electrode. Of the laser light emitted from the semiconductor laser element, the full width at half maximum light components are capable of being output from the translucent light frame to the outside.
In the present invention, a collected linear illumination device is provided with a light source that emits laser light, and a plurality of light emission units. Each of the plurality of light emission units has a linear light guide body having an incident surface on which is incident the laser light emitted from the light source and an output surface for outputting the incident laser light, and each is able to emit as illumination light the light emitted from the output surface of each of the linear light guide bodies. Each of the plurality of light emission units is disposed in one of the following ways: along a straight line; along a curved line; or along a broken straight line.
A bulb-type lamp in an embodiment is provided with a substrate, a plurality of light-emitting elements arranged in a ring on one surface of the substrate, and a tuboid reflector, one edge of which is inwards of the plurality of light-emitting elements and the other edge of which has a larger diameter than the first edge so as to intersect the optical axes of the light-emitting elements. The tuboid reflector has the following: a plurality of light-transmitting strips extending between the two edges of the tuboid reflector; and light-reflecting sections provided on the outer surface of the tuboid reflector at positions offset from the light-transmitting strips.
Provided is a lighting apparatus capable of reducing glare. A lighting apparatus according to an embodiment is provided with a pair of light-emitting devices, a control unit for controlling the pair of light-emitting devices, and a chassis. Each light-emitting device has: a belt-shaped substrate extending in one direction; a plurality of LED chips mounted on the underside surface of the substrate and arranged in the one direction thereof; light-reflecting members oriented in a manner such that the surfaces thereof facing the LED chips are light-reflecting surfaces, and when viewed from the LED chips, positioned below and to a first side of the substrate, but so as to leave the other side open; and a light-diffusing reflective plate having a lower surface which is the light-diffusing reflective surface thereof, and on which some of the light reflected by the light-reflecting members is incident. The pair of light-emitting devices are connected to one another by the end parts thereof on the aforementioned first sides of the substrates. The control unit is positioned below the light-reflecting members. Furthermore, the heat from the LED chips is transmitted to the chassis via thermal conduction.
Provided are a light-emitting device and lighting apparatus which are capable of reducing glare. A light-emitting device according to an embodiment is provided with: an LED chip; a prism plate having an upper surface on which a plurality of prisms are formed, and on which some of the light emitted from the LED chip is incident; and a light-diffusing reflective plate having a lower surface which is the light-diffusing reflective surface thereof, and on which another portion of the light emitted from the LED chip is incident.
The lighting device of an embodiment has a body which is mounted to a mounting surface, such as a ceiling and a wall of a building. The lighting device has a light-emitting surface which is substantially parallel to the mounting surface, and a semiconductor light-emitting element is disposed on the light-emitting surface. A light-permeable cover body is mounted to the body so as to cover the light-emitting surface. The inner surface of the cover body includes a refractive surface which forms an acute angle relative to the optical axis of light emitted from the semiconductor light-emitting element. The outer surface of the cover body includes an outer peripheral surface protruding further outward than the peripheral edge of the body.
In this lamp, light extraction efficiency is improved, while ensuring heat dissipating performance of a light emitting element. According to the embodiment of the present invention, a lamp main body (21), a lighting apparatus (25), a reflecting member (24), and a light emitting module (23) are provided. The lamp main body (21) is provided with a case (28), and a ferrule member (29) attached to the case. The case (28) has an opening (28a) at one end, and has a hole (34) at the center of the other end portion. The ferrule member (29) integrally has a protrusion (46) that can be inserted into the opening (34). The lighting apparatus (25) and the reflecting member (24) are housed in the case (28). The lighting apparatus (25) has a circuit board (77). The reflecting member (24) that reflects light to the outside of the lamp main body (21) is provided with a reflecting cylindrical section (68) having a small-diameter opening and a large-diameter opening, and the diameter of the cylindrical section increases toward the large-diameter opening side. The light emitting module (23) has a light emitting element, which is mounted on the substrate (53) and is made to emit light by means of the lighting apparatus (25). The light emitting module (23) is disposed on the protrusion (46) such that the light emitting module can transfer heat to the protrusion (46). Heat conductivity of the substrate (53) is higher than that of the circuit board (77).
A lighting apparatus according to an embodiment is provided with: an apparatus body; a first substrate having a plurality of light-emitting elements positioned on one surface thereof, thermally connected to the apparatus body, and positioned in an interior space; a second substrate for illuminating the light-emitting elements, and positioned in the interior space; and a support part for supporting the second substrate in a position separated from the apparatus body.
A lighting apparatus according to an embodiment is provided with: an apparatus body; a front-surface cover having a translucent section; a substrate housed within the apparatus body; a plurality of light-emitting elements positioned on the surface of the substrate which faces the front-surface cover of the substrate; a sensor for sensing external light, provided so as to face the front-surface cover of the substrate, and positioned on the same surface as the light-emitting elements are; and a shielding means for blocking the light from the light-emitting elements.
Disclosed are a lamp device (14) and a semiconductor light-emitting element (38a). The lamp device (14) is provided with a frame (20) having a heat conductive section (28d); this heat conductive section (28d) is thermally connected with an external heat-radiating body. The heat generated by the semiconductor light-emitting element (38a) is thermally conducted to the heat-radiating body through the heat conductive section (28d). A heat-sensitive element (54) is thermally connected with the heat conductive section (28d). In the lamp device (14), there is provided an ignition circuit (23) that ignites the semiconductor light-emitting element (38a); this ignition circuit (23) controls the output of the semiconductor light-emitting element (38a) in accordance with the temperature detected by the heat-sensitive element (54).
According to the embodiment of the present invention, a light emitting module has semiconductor light emitting elements mounted on a substrate surface, and encapsulating members, which respectively encapsulate the semiconductor light emitting elements at intervals on the substrate surface. The surface of each of the encapsulating members respectively having the semiconductor light emitting elements encapsulated therein includes an annular side surface that linearly rises in the direction to be away from the substrate surface, and a top surface continuous from the side surface, said top surface being on the side separated from the substrate surface.
Provided are a light-emitting device and lighting apparatus which are capable of reducing glare. A light-emitting device according to an embodiment is provided with: a substrate; an LED chip mounted on the underside surface of the substrate; light-reflecting members, of which the surfaces that face the LED are light-reflecting surfaces, are oriented in a manner so as to be positioned down and to one side when viewed from the LED chip, leaving the other side open; and an optical member for guiding light, which has been emitted from the LED chip and reflected by the light-reflecting members, in a downward direction.
A lighting device (1) is provided with a device body (10), a light source (21), a light guide plate (31), and a front face cover (33). The light source (21) is at least one light source disposed in the vicinity of an outer edge section within the device body (10). The light guide plate (31) has an end face adjacent to the light source (21). The light guide plate (31) allows light, which is emitted from the light source (21), to enter the light guide plate (31) from the end face and can uniformly emit the light in the front face direction of the device body (10), the front face direction being a direction different from the incident direction. The front face cover (33) is provided to the front face of the device body (10) and has a larger area surface than the surface of the light guide plate.
Provided is a switching power supply equipped with a first inductor, a second inductor, a switching element, a constant current element, a rectifying element, and a control circuit. The switching element, when turned on, supplies a power supply voltage to and lets current flow through the first inductor. The constant current element comprises a first main terminal, a second main terminal, and a control terminal and the second main terminal is connected to the switching element to detect the current flowing therethrough. When the voltage between the second main terminal and the first main terminal of the constant current element is equal to or more than a prescribed value, the control circuit turns off the constant current element and cuts off the current flowing through the switching element. The rectifying element is connected in series to either the switching element or the constant current element, and the current flowing through the first inductor flows through the rectifying element when the switching element is turned off. The second inductor is magnetically coupled with the first inductor, and an electric potential that turns on the switching element is induced when the current flowing through the first inductor is increasing while an electric potential that turns off the switching element is induced when the current flowing through the switching element is decreasing, and the induced potential is supplied to the control terminal of the switching element.
H02M 3/155 - 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
This electric apparatus is provided with a switching power supply, a rectifying circuit, a pair of capacitive elements, and a load. The switching power supply has inputted thereto a direct current power supply voltage or an alternating current power supply voltage, and outputs an alternating current voltage. The pair of capacitive elements are connected to between the switching power supply and the rectifying circuit, and insulate the switching power supply and the rectifying circuit from each other. The load is connected as a load circuit to output of the rectifying circuit, and is driven with a constant current.
H02M 5/293 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc 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
An LED lamp (1) according to an embodiment comprises: an LED module (11); a base body (12); a first globe (131); a second globe (132); and a light guiding body (14). The LED module (11) mounts a plurality of LEDs (112) upon a substrate (111). The substrate (12) retains the LED module (11). The first globe (131) is positioned surrounding the exterior circumference of the substrate (111), and the aperture (D2) of a first contact terminal (131c) is greater than the aperture (D1) of an attachment part (131b). The second globe (132) further comprises a second contact terminal (132c) which is attached to the first contact terminal (131c), and covers the emission side of the LED (112). A base terminal (142a) of the light guiding body (14) is anchored on the side wherein the LEDs (112) are positioned, and a leading end part (142b) of the light guiding body (14) is wider than the aperture (D1) of the attachment part (131b) of the first globe (131).
The present invention prevents dark illumination in the state of a power source being off. In an embodiment, a straight-tube lamp (11) supported at a first and second socket (13a, 13b) is equipped with: an elongated pipe (12) produced from a translucent resin material; a light-emitting module (15) housed in the pipe; a first cap (13a) attached to one end of the pipe (12); and a second cap (13b) attached to the other end of the pipe. A wiring pattern having mounting pads and a conductive connector section is formed on the substrate of the light-emitting module (15). A semiconductor light-emitting element, which has a pair of electrodes, is affixed onto each mounting pad. One of the electrodes is electrically connected to the conductive connector section. The other electrode is electrically connected to the mounting pad. The first cap (13a) has two lamp pins (16a) that are electrically connected to the wiring pattern. The second cap (13b) is in a state of not conducting with the wiring pattern.
A socket (53) is provided with a socket body (64), to which is provided a socket surface (69) for attaching a lamp device. A cylindrical insertion hole (68), into which a base protrusion (36) of the lamp device is inserted, is formed in the socket surface (69). A plurality of anti-mismounting keys (71) protrude from predetermined positions, on the inner peripheral surface of the insertion hole (68), set back at a distance from the socket surface (69). The distance (L2) from the socket surface (69) to the anti-mismounting keys (71) that are set back is smaller than the distance (L1) from the tip surface (38) of the base protrusion (36) to an attachment key (41). In a state in which the tip surface (38) of the base protrusion (36) is in contact with the anti-mismounting keys (71), the insertion of the base protrusion (36) into the insertion hole (68) is restricted, and rotation of the base protrusion (36) in the insertion hole (68) is possible in the restricted state. The base protrusion (36) rotates to a predetermined mounting position with respect to the socket body (64), whereby the anti-mismounting keys (71) are inserted into anti-mismounting grooves of the base protrusion (36), and the base protrusion (36) can be inserted into a predetermined insertion position in the insertion hole (68).
The present invention radiates uniform illumination light by ameliorating an angular color difference. In an embodiment, the present invention is provided with a light-emitting module (15), and the light-emitting module (15) is provided with: a substrate (21); a plurality of semiconductor light-emitting elements (45); and a plurality of sealing members (54). Each light-emitting element (45) is disposed on the substrate (21). Each sealing member (54) has as the primary component a light-emitting resin with which a fluorescent body has been mixed. The sealing members (54) are formed rising from the bottom surface thereof, which is adhered onto the substrate (21), and each embed at least one of the light-emitting elements (45). The ratio (H/D) of the height (H) of the rising up of the sealing members (54) to the diameter (D) of the bottom surface is 0.22 to 1.0.
According to an embodiment whereby a replacement for a fluorescent lamp does not cause discomfort, a lamp comprises: a pipe (12); caps (13a, 13b) which are attached on the end parts of the pipe; and a plurality of light emitting modules (15) which are housed in the pipe (12) and arranged in the direction in which the pipe extends, and which further comprise a substrate (21) and a plurality of semiconductor light emitting elements (45). The long side of the substrate (21) is in the direction in which the pipe (12) extends. The substrate (21) further comprises a plurality of substrate regions (E1-E5). Each light emitting element (45) is mounted in each mounting region (E1-E5), arranged in the direction in which the substrate (21) extends. The light emitting elements in each substrate region are made a group. The number of elements of the light element groups which are mounted in the substrate region (E1) which are located closest to the caps (13a, 13b) is different from the number of elements of the light element groups which are mounted in the substrate regions (E2-E5) other than the substrate region (E1).
This mercury-free metal halide lamp for vehicles is equipped with a sealed vessel (1) including a light-emitting part (11) that has a discharge space (111) inside, a metal halide (2) and a rare gas that have been confined in the discharge space (111), and a pair of electrodes (32) which have been disposed so that the ends of the respective electrodes (32) face each other in the discharge space (111), the electrodes (32) and the discharge space (111) containing no thorium. When the electric power supplied to the lamp that is in the state of stably shining is expressed by P (W), the integrated quantity of the electric power supplied to the lamp during the period from the time when one second has passed since switching on the lamp to the time when 40 seconds have passed since the switching on is expressed by WL (W), and the diameter of the electrodes (32) is expressed by D (mm), then P (W) and WL/D (W/mm) satisfy 20≤P≤30 and 4300≤WL/D≤7400, respectively. Thus, a mercury-free metal halide lamp for vehicles which can be inhibited from flickering or from suffering electrode deformation, needs less electric power than conventional lamps, and does not contain radioactive substances including thorium is provided.
H01J 61/88 - Lamps with discharge constricted by high pressure with discharge additionally constricted by envelope
H01J 61/18 - Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
54.
LIGHT SOURCE AND ILLUMINATING APPARATUS PROVIDED WITH SAME
The present invention suppresses, with a simple configuration, warpage of a light source substrate without causing deterioration of heat dissipation performance. According to an embodiment of the present invention, a light source (3) is provided with: a light source substrate (11), which is provided with a wiring pattern; a plurality of semiconductor light emitting elements (18), which are mounted on the light source substrate (11) by being connected to the wiring pattern; and a reflecting plate (21), which covers the light source substrate (11) such that the reflecting plate faces the light source substrate (11). The reflecting plate (21) has a plurality of metal reflecting surfaces (29) that face each other by each of the semiconductor light emitting elements (18). The reflecting surfaces (29) are separated from the semiconductor light emitting elements (18) and the light source substrates (11) by insulating distances. At least one protruding portion (27) in contact with the light source substrate (11) is protruding from the rear surface of the reflecting plate (21) by having the position of the protruding portion shifted from openings (26) in the reflecting surfaces (29).
This illuminating system has a first light emitting element, a second light emitting element, a wavelength converter, a first light guide body, a second light guide body, and a drive circuit. The first light emitting element is capable of emitting first light having a wavelength within a range from the ultraviolet wavelength to the visible light wavelength. The second light emitting element is capable of emitting infrared light. The wavelength converter is capable of absorbing the first light and emitting converted light having a wavelength longer than that of the first light. The first light guide body is capable of transmitting the first light toward the wavelength converter. The second light guide body is capable of transmitting the infrared light toward the wavelength converter. The drive circuit is capable of controlling output of the first light and driving the second light emitting element. The first light and the converted light are mixed, and illuminating light is emitted. Furthermore, the infrared light is emitted as control optical signals.
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
G02B 6/00 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
H04B 10/00 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
H04B 10/22 - Transmission between two stations which are mobile relative to each other (H04B 10/30 takes precedence);;
F21Y 101/02 - Miniature, e.g. light emitting diodes (LED)
An illuminating apparatus (11) of an embodiment is provided with a lamp device (14) and a fixing device (15). In the lamp device (14), a housing (21), which has a ferrule (30), and a light source (23) and a lighting circuit (25), which are housed in the housing (21), are provided, a contact surface (50) is provided on the ferrule (30), and a recessed portion (51) is provided in the contact surface (50). The fixing device (15) has: a socket (83), to which the ferrule (30) is removably attached; a heat transfer surface (92), with which the contact surface (50) is brought into contact when the ferrule (30) is attached to the socket (83); and a protrusion (93), which protrudes further to the side on which the ferrule (30) is to be attached than the heat transfer surface (92). The ferrule (30) is attached to the socket (83) by having the protrusion (93) fitted in the recessed portion (51).
An illumination device (11) is provided with a device main body (21), a mounting plate (23), a plurality of light-emitting modules (24), a plurality of lenses (25), and a lighting circuit (26). The device main body (21) comprises an opening (34) in the lower face thereof. The mounting plate (23) is positioned inside the device main body (21) in a planar manner in such a way that the lower face thereof is opposite the opening (34). The plurality of light-emitting modules (24) comprise semiconductor light-emitting elements and are attached to the lower face of the mounting plate (23). The lenses (25) are provided in each light-emitting module (24) and control the distribution of light from the light-emitting modules (24). The lighting circuit (26) is positioned above the mounting plate (23) inside the device main body (21) and turns on the light-emitting modules (24).
An LED ignition apparatus is equipped with: a plurality of types of LED (1, 2) having different color temperatures; a LED ignition circuit (3) that lights up the plurality of different types of LED; and a control means (4) that controls the LED ignition circuit in such a manner that the plurality of different types of LED are lit so as to be able to be dimmed simultaneously, performs dimming control on the plurality of types of LED by pulse-width control in the deep dimming region in which dimming intensity is 20% or less, and performs dimming control of the plurality of types of LED by amplitude control in other dimming regions.
An illuminating device is provided with a light emitting module (12), and a Fresnel lens facing the light emitting module (12). The light emitting module (12) comprises a substrate (15), and a light emitting section (16) formed by mounting multiple LED elements (18) on the substrate (15) and covering the multiple LED elements (18) with a phosphor layer. The spaces between the multiple LED elements (18) are not more than 1.5 mm, and the width of the region where the multiple LED elements (18) are mounted in the location is at least 80% of the width of the region where the phosphor layer (19) is formed in the location where the width of the light emitting section (16) is widest.
This light source ignition device is equipped with: a first light source (1); a second light source (2) that has a lower color temperature than the first light source and a color temperature that falls within the range of 2500 to 3200K; an ignition circuit (3) that ignites the first and second light sources; and a control means (4) which is capable of selecting a fade-out mode in which both the first and second light sources are continuously dimmed to fade-out, and when fade-out mode is selected, controls the ignition circuit in such a manner that the light intensity of the second light source is greater than the light intensity of the first light source in the subsequent period.
A communication terminal according to an embodiment of the present invention is provided with: a reception unit for receiving a request packet which includes a packet identifier for identifying the packet, a service class, and a plurality of request-related property information items; a request processing unit for generating a response packet which includes a packet identifier and property information of a response to those request-related property information items which have been processed according to the service class from among the plurality of request-related property information items; and a transmission unit for transmitting the response packet to a request terminal.
The discharge lamp of an embodiment comprises burner (BL) having a light emitting part (11) and a disk-shaped flange that can hold the burner (BL) such that the light emitting part (11) is positioned on the front end part thereof. The flange (FL) has a resin part (6) formed on at the edge of the flange (FL) and a metal part (7) formed so as to be embedded in the resin part (6).
H01J 61/86 - Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
A light-emitting module according to an embodiment has a feed pattern that is formed on a substrate surface and powers a light-emitting element, and an alignment mark formed integrally with the feed pattern.
Provided are a light emitting device and an illumination device with which it is possible to efficaciously alleviate bonding wire breaks with a reciprocal configuration of a sealing resin layer and the bonding wire. A light emitting device according to the embodiment comprises: a substrate; a plurality of light emitting elements mounted on the substrate; a bonding wire, one end of which is connected to an electrode of the light emitting element, the other end of which is electrically connected to either an electrode of another of the light emitting elements which is adjacent to the light emitting element having the electrode of the one end connection or to a conducting layer which is formed upon the substrate, forming loops; and a sealing resin layer which is elastic, configured of a plurality of approximately peak-shaped protruding resin layers (4a) which cover a prescribed number of the light emitting elements, formed by linking the skirts of adjacent protruding resin layers (4a), and wherein a valley part (B) which is formed between summit parts of the adjacent protruding resin layers (4a) is formed with an offset from the position between summit parts of the loops of the bonding wire as seen from above.
A light-emitting module according to an embodiment is formed by layering a metal reflective layer on a substrate containing a polyimide layer, and mounting a light-emitting element to the reflective layer through a eutectic solder.
The disclosed lighting environment evaluation method involves: a step in which a prescribed surface is designated in a lighting space to be evaluated; a step in which a designated observation point on the aforementioned prescribed surface is designated; and a step in which, on the basis of information relating to reflective objects that reflect the light in the aforementioned lighting space and information relating to the lighting equipment provided in the aforementioned lighting space, the illuminance at the aforementioned designated observation point from only the indirect light from the aforementioned reflective objects is calculated, and the calculation result is set as the index of brightness sensation of the aforementioned lighting space.
A device (15) for lighting a light-emitting diode, said device being provided with: a light source (2) comprising a plurality of light-emitting diodes (5) in groups; a plurality of lighting circuits (17 and 18) that individually control the lighting of each of the grouped light-emitting diodes (5) in the light source (2); and a dimming control unit (16) into which a dimming signal from a dimming means (25) is inputted. The dimming control unit controls the output of each lighting circuit (17 and 18) in accordance with said dimming signal, and when the dimming level changes, the dimming control unit sequentially changes the output of each lighting circuit (17 and 18) to the new level within one period of the dimming signal.
In order that the device has a stable straight-pipe shape and that LED modules, or similar, can be stored and held, as appropriate, the device is equipped with: a plurality of light emitting elements (52) which radiate light; a substrate (51) which is an arrangement member having an arrangement surface whereon the plurality of light emitting elements (52) are arranged; and a substantially cylindrical light-body (4) which has a translucent section in at least part thereof, has the arrangement member arranged therein, and has a louver (43) which is a projecting body that projects from the inner wall which faces the arrangement surface, and extends toward the arrangement surface.
A linear lamp (12) is mounted in a socket (16) by inserting the pair of L-shaped lamp pins (29) of the linear lamp (12) into the socket (16) and then rotating the linear lamp (12). The socket (16) is provided with a socket body (41), and also with a pair of terminals (43) and a rotation element (42) which are disposed within the socket body (41). The socket body (41) is provided with a front face section which faces the linear lamp (12) when the linear lamp (12) is mounted in the socket (16). An insertion opening (49) into which the pair of lamp pins (29) can be inserted is formed in a surface which intersects the front face section. An opening section (50) which communicates with the insertion opening (49) and in which the pair of lamp pins (29) can rotate is provided in the front face section. A wall section (54) is provided to the edge of the opening section (50) which faces the insertion opening (49), and the wall section (54) prevents the lamp pins (29) from being inserted into the opening section (50) while the linear lamp (12) is displaced from a predetermined mounting position in the direction separating from the front face section.
A socket (16) holds a straight tube lamp equipped with a leg part (29) and an earth pin (28) having an elliptical holding part (30) that is larger in diameter than the leg part (29) and is formed on the tip of the leg section (29). The socket (16) is provided with a socket body (41), a guiding means (54), and a terminal (42). The socket body (41) has: an insertion opening (48) that is larger in diameter than the shorter diameter dimension of the elliptical holding part (30) of the earth pin (28); and a notch section (49) extending connectedly from the insertion opening (48) to a prescribed holding position (P) where the earth pin (28) is held, and enabling insertion of the leg part (29) of the earth pin (28). The guiding means (54) guides the holding part (30) to the prescribed holding position (P) by rotation of the earth pin (28) between the insertion hole (48) and the prescribed holding position (P). The terminal (42) holds the holding part (30) of the earth pin (28) in the prescribed holding position (P).
A lightbulb-formed lamp (11) is provided with a housing (12) that is made of metal, and that is formed by press molding to be a cylinder shape widening and opening towards one-end side thereof. A synthetic-resin case (13), which is formed to be a cylinder shape widening and opening towards one-end side thereof, is arranged within the housing (12) along the inner face thereof. A base section (15) is mounted on the other-end side of the case (13). A heat radiation plate (17), which has mounted thereon a light-emitting module (16) comprising a semiconductor light-emitting element (51a), is arranged on the one-end side of the housing (12). A turn-on circuit (19) is housed within the case (13). The turn-on circuit (19) comprises a turn-on circuit board (74) that is arranged longitudinally along the lamp-axis direction within the case (13). The turn-on circuit board (74) is formed to be a shape that has one-end side thereof widening along the inner-shape of the case (13), and is arranged within the case (13) at a position near the base section (15).
Provided are a metal base lamp and lighting equipment which can increase the heat dissipation performance of a solid light emitting element and which have luminous intensity distribution characteristics closer to that of an existing light source such as a general incandescent bulb. The metal base lamp is provided with a light source part comprised of a solid light emitting element; a heat-conductive heat dissipating body which has the light source part provided on the top and forms a heat dissipating part provided projecting in a radial direction with respect to the optical axis such that the light from the light source part is guided in a direction opposite the top; a light-transmissive cover member which has an open part for exposing to the outside air the heat dissipating part of the heat dissipating body, and is provided so as to cover the light source part and the heat dissipating body; and a metal base member supplying a electrical power to the light source part.
A lens (14) is provided with a first lens unit (46) and a second lens unit (48) which are integrally formed. The first lens unit (46) formed into a hemispherical shape includes a first concave (45) on which light is incident from a surface light source (34) and which opens to one side of an optical axis direction of the lens. The second lens unit (48) formed into a hemispherical shape includes a second convex (47) opening to the other side of the optical axis direction.
The invention provides a lighting fixture (1) comprising: a light-emitting module (2) using a light-emitting element as a light source, having a light-outputting section (23) for outputting light from the light source, exhibiting a heat-conducting property in at least part of an outer shell (21), and being thermally coupled with the light-emitting element; a heat sink (3) provided on the rear surface side of the light-emitting module (2) and thermally coupled to part of the outer shell (21); a heat-conductive light-distribution member (4) adapted to enclose the perimeter of the light-outputting section (23) of the light-emitting module (2) and provided with a reflecting face spreading outward in the direction of light irradiation; and a connecting member (5) for connecting the light distribution member (4) and part of the outer shell (21), and transmitting heat from the outer shell (21) to the light distribution member (4).
F21S 8/02 - Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
F21V 7/09 - Optical design with a combination of different curvatures
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)
F21Y 101/02 - Miniature, e.g. light emitting diodes (LED)
A lamp device (14) is provided with a light-emitting unit (34) that uses a semiconductor element. A light-emitting unit (34) is arranged on one face of a housing (16). The lamp device (14) comprises a metal base section (44) at the other face of the housing (16), and also comprises lamp pins (46) protruding to the other-face side of the housing (16). A turn-on circuit (21) is housed within the housing (16). The lamp device (14) is also provided with lamp-pin mounting sections (73) for mounting the lamp pins (46) thereon, and an insulator (47) comprising an insulation section (75) to be intervened between the inner face of the base section (44) and the turn-on circuit (21).
Disclosed is a light source device that is a globe-type light source that uses a laser diode (LD) and that obtains white light emission with a high light flux and is almost uniform in all directions. The light source device has a dual-tube structure comprising a transparent light-emitting tube (11) and a transparent outer tube (15). The light-emitting tube (11) is sealed (112) and the tip of the straight tube (111) is rounded. A fluorescent material layer (12) is formed on an inner surface of a light-emitting region (11a) in the light-emitting tube (11) in the vicinity of the seal (112) and a reflective film (13) is formed on an inner surface of a straight tube region (11b) which is a non-light-emitting section of the light-emitting tube (11). The outer tube (15) is frosted (151). The LD (16) with suppressed temperature increase and attached to a heat radiator (17) is disposed on the release end section of the light-emitting tube (11) and the fluorescent material emits light by the LD (16) radiating laser light on the fluorescent material layer (12). This enables white light emission that has high light flux and is almost uniform in all direction to be obtained while using an LD.
The disclosed lighting device (1) comprises: a heat radiating body (3) which is in surface contact with a connector contact surface (6C) of a lamp unit (6), and conducts and radiates the heat generated by the lamp unit (6); and a terminal block (7) which is attached above the heat radiating body (3) and further to the outside in the lateral direction than the connector contact surface (6C).
Provided is a lamp with base members, a socket apparatus, and an illumination appliance, wherein influence by noise is reduced. The lamp with base members is provided with: a lamp body comprising latching means that are to be mounted onto a socket apparatus detachably; a light-emitting unit housed within the lamp body; a control device housed within the lamp body, and which is for controlling the turning on of a light-emitting unit; power-supply base-members that are positioned adjacent to each other at one side of a latching means, arranged on a trajectory of a circle of the lamp-body, and connected to the control device; signal base-members that are positioned adjacent to each other at the other side of the latching means, arranged on a trajectory of the circle of the lamp-body, and connected to the control device; and a heat conductor that comes in contact with a heat dissipator when in a state of being mounted onto the socket apparatus.
A socket (6) is formed by arranging each of a plurality of terminal units (40a-42a) on the peripheral section of a connector receiving unit (31); and when a lamp unit (7) is fitted in the side of a device main body (5), a connector (56) protruding to the base section side of a housing (50) is locked into the connector receiving unit (31), and each of a plurality of terminal pins (57-59) arranged on the peripheral section of the connector (56) are electrically connected to the corresponding terminal unit (40a-42a). Thus, the precise electrical connection of the lamp unit (7) to the side of the device main body (5) is achieved by means of a simple structure.
Disclosed is a straight tube LED lamp provided with a straight tube containing a plurality of light emitting diodes on the inside, a first cap for feeding power to the light emitting diodes, provided on one end of the straight tube in the axial direction, and a second cap for grounding provided on the other end of the straight tube in the axial direction. A first terminal for electrical connection to a power feeding terminal of a first lamp socket is provided in the first cap. A second terminal for electrical connection to a grounding terminal of a second lamp socket is provided in the second cap.
A lighting device configured so that a lamp device can be brought into contact with the device body. A lighting device is provided with: a device body having a contact section to which heat is transmitted and a mounting receiving section; a socket device having a socket body, a catch section, a containing section, and a connection section, the socket body having an opening section, the catch section being provided to the opening section, the containing section containing a mounting member affixed to the mounting receiving section and also containing an elastic member for generating an elastic force between the socket body and the mounting member, the connection section electrically connecting to an outside electric power source, the socket device being mounted to the device body by the mounting member so that the socket device can move in the elastic direction of the elastic member; and a lamp device having an abutment section which makes contact with the contact section, a latch section which engages with the catch section, and a lamp-side connection section which electrically connects to the connection section. When the latch section of the lamp device and the catch section of the socket device are engaged with each other, the contact section of the device body and the abutment section of the lamp device are in close contact with each other by the elastic force of the elastic member.
Disclosed is a beacon lamp comprised of a lamp body having a floodlight window provided with a translucent member, and a hermetic inner space; a semiconductor light emitting element which is disposed in the inner space of the lamp body and which emits light through the floodlight window of the lamp body; and a moisture absorption member which is disposed in the inner space of the lamp body and which has moisture absorption characteristics for absorbing the moisture in the air within the inner space, wherein dew condensation is prevented from occurring on the inner surface of the translucent member, using the moisture absorption characteristics.
Disclosed is a fluorescent lamp type light emitting element lamp which is provided with: a substantially cylindrical main body having one end section and the other end section; a light emitting element which is disposed in the main body; and a pair of ferrules, which are disposed on said end section and the other end section, and which are connected to sockets, respectively. The main body of the fluorescent lamp type light emitting element lamp is connected to the ground via one of the pair of ferrules.
Disclosed is a light emitting element module substrate which is provided with a laminated board and a metal layer. The laminated board includes a base metal plate, and an insulating layer provided on the base metal plate. The metal layer is provided on the insulating layer. The metal layer has a mounting section having a light emitting element mounted thereon, and a bonding section having wiring electrically connected to the light emitting element bonded thereto. The metal layer is the topmost layer of the mounting section and/or the bonding section, and includes a silver layer formed by electrolytic plating. The mounting section and the bonding section are electrically shielded from the periphery of the laminated board.
Disclosed is a tubular lamp in which both ends of a lamp main body (1) are attached to a socket (102) of an equipment main body (100), and a power supply unit (8) for supplying power to an LED (2) is provided on the back surface, which faces the equipment main body (100), of the lamp main body (1).
Disclosed is a lamp (10) with a base, which is comprised of substrates (12) each having one surface on which a solid light emitting element (11) is mounted; heat release members (14) each secured to the other surface of the substrate (12) by an affixing member (13) having flowability and heat conductivity; light emitting portions (15) each comprised of the substrate (12) and the heat release member (14); a thermally-conductive support member (17) in which the light emitting portions (15) constitute a three-dimensional light source (16), and the heat release members (14) are thermally coupled to the light source to support the light source; a thermally-conductive main body (18) on which the support member (17) is provided so that the three-dimensional light source (16) is projected from one end portion; and a base member (19) provided on the other end portion of the main body (18).
A light bulb-shaped lamp (11) comprises a base (12), a heat pipe (13), a light emitting body (14), a cap (16), and an illumination circuit (18). One end side of the heat pipe (13) protrudes from one end side of the base (12), and the other end side of the heat pipe (13) is connected to the one end side of the base (12). The light emitting body (14), further comprising a plurality of LED elements (43), is connected upon the one end side of the heat pipe (13), and is attached so as to be capable of conducting heat to the heat pipe (13). The cap (16) is disposed upon the other end side of the base (12). The illumination circuit (18) is housed within the base (12).
Disclosed is a Beacon lamp, wherein a lamp body (13) with a built-in LED light source unit (12) is supported by a base (15), and radiation light from the LED light source unit (12) is radiated outside from a floodlight radiation unit (22) via a prism (19). A heater (25) is provided for melting ice and snow that adheres to the floodlight radiation unit (22) and prevents light passing therethrough from radiating outside, and a thermo electric generation module (26) provided within the lamp body (13) feeds power to the heater (25).
Disclosed is a direct current power switch device which safely shuts off direct current power supply without generating arc at the time of shutting off the power supply to an electrical load. The direct current power switch device is provided with: an operation input unit (12), which instructs supply and supply stop of direct current power; a switch contact (14) provided on a power feed line, which supplies the direct current power to a lighting controller (30), i.e., an electrical apparatus that controls power supply; a notifying means, which notifies the lighting controller (30) of power shutoff, in the case where the operation input unit (12) instructed supply stop of the direct current power; and a control unit (11) which opens the switch contact (14) when it is detected that power supply has been controlled to reduce the current in the electrical apparatus after the notification is made.
Disclosed is a DC power feeding apparatus, wherein plug blades and connection sections can be safely detached from each other while feeding DC power. The DC power feeding apparatus is provided with blade receivers (15) that are at least a pair of connecting sections to be connected to plug blades (22) connected to an electric load; and a locking means that operates in accordance with DC current flowing through the blade receivers (15) that are the connecting sections, and that is for locking the connected state between the plug blades (22) and the blade receivers (15) that are the connecting sections, when current is flowing through the blade receivers (15).
Disclosed is a straight-tube shaped light source provided with a semiconductor light-emitting element, wherein the entire length of the light source in the direction of the tube axis: is equal to or greater than 1500mm and is less than 2367 when the light source is an equivalent of a 110W straight-tube fluorescent lamp; is equal to or greater than 1000mm and is less than 1198 when the light source is an equivalent of a 40W straight-tube fluorescent lamp; and is equal to or greater than 436mm and is less than 580 when the light source is an equivalent of a 20W straight-tube fluorescent lamp.
A DC power supply feeding system (1) is provided with a DC voltage power supply (2) that outputs a prescribed voltage utilizing a commercial AC power supply; fluctuating voltage power supplies (3, 4) that generate power using natural energy, and output a fluctuating voltage; and back-flow preventing elements (5a, 5b) that connect the aforementioned DC voltage power supply and the aforementioned fluctuating voltage power supplies in parallel, with the output sides thereof made to have the same polarity, and that supply the electric power obtained from the aforementioned DC voltage power supply and the fluctuating voltage power supplies to loads (6). The aforementioned fluctuating voltage power supplies (3, 4) supply power to the aforementioned loads (6) intermittently, when the amount of power generated by the fluctuating voltage power supplies (3, 4) is so small that the output voltage thereof is lower than the aforementioned prescribed voltage output from the aforementioned DC voltage power supply (2).
H02M 3/155 - 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
H02J 1/12 - Parallel operation of dc generators with converters, e.g. with mercury-arc rectifier
H02J 7/35 - Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
Disclosed is a beacon lamp which is provided with: a lamp body provided with a flood light window; a planar light source provided with a substrate and a plurality of groups of LED chips, which are arranged in rectangular forms in substantially the same direction on the substrate and are disposed in the lamp body; and an optical system which guides light emitted from the planar light source to the floodlight window. At least some of the LED chip groups have different lengths, and the LED chip groups are disposed on the substrate such that the maximum length among the lengths of the LED chip groups and the total width of the groups are different from each other.
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21W 111/06 - Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in groups for aircraft runways or the like
F21Y 101/02 - Miniature, e.g. light emitting diodes (LED)
Disclosed is a light-emitting device comprising a substrate that has the front surface on which a semiconductor light-emitting element is mounted. The light-emitting device also comprises a front cover which is arranged on the front surface-side of the substrate, while being in thermal contact with the front surface of the substrate around the semiconductor light-emitting element. The heat dissipation performance at the front surface of the light-emitting device is improved by forming a heat conduction path wherein the heat generated by the semiconductor light-emitting element is sequentially conducted to the substrate and to the front cover and then dissipated from the front surface of the front cover.
Disclosed is a light source unit comprised of a light emitting element (52) such as a LED disposed on the inner surface of a side wall (4), and a reflective surface (31) which is opposed to the light emitting element (52) so that the side wall (4) is parallel with an irradiation direction and which is formed of a part of a curved surface composed of a paraboloid of revolution obtained by revolving a parabola which is open in the irradiation direction.
Disclosed is a lighting device (10) provided with: a light-transmitting tube-shaped cover (20), the tip (28) of which is closed and the base end of which has an opening (23); a light-emitting unit (30) that has a light-emitting substrate (32) with a light-emitting element (33) provided on one side thereof, said light-emitting substrate (32) being inserted through the opening (23) in the tube-shaped cover (20) and arranged along the long direction of the tube-shaped cover (20); and a lid part (60) that closes the opening (23) in the tube-shaped cover (20). A wiring section (63) that supplies power to the light-emitting unit (30) is provided in the lid part.
Disclosed is an illuminating device which comprises a red LED, a green LED, a blue LED and a white LED that is configured of a blue light-emitting element and a yellow phosphor. The red LED is set to be 26-38%, the green LED is set to be 35-50%, the blue LED is set to be 0-2% and the white LED is set to be 12-33%. White light that is obtained by additive color mixing of light from the red, green, blue and white LEDs has a correlated color temperature of 2,800 K or greater but less than 3,500 K, a deviation within 0.02, and a color gamut area ratio of not less than 120% but not more than 140%. The illuminating device is capable of emitting illuminating light that shows colors brighter.
A light emitting module (10) is provided with a substrate (1), an LED (light emitting element) (3), a reflecting plate (light distribution control member) (4), and a translucent cover (5). The substrate (1) has a copper foil (heat conducting section and a wiring pattern) (2) formed on the first surface. The LED (3) is thermally connected with the heat conducting section, is electrically connected with the wiring pattern, and generates heat during a time when light is emitted. The reflecting plate (4) is thermally connected with the heat conducting section at the periphery of the LED (3), a ridge (4e) is formed on the outputting side of the light emitted from the LED (3), and distribution of the light emitted from the LED (3) is controlled. The translucent cover (5) is thermally connected with the ridge section (4e), and passes through the light emitted from the LED (3).
Disclosed is a light-emitting device provided with: a metal light-reflecting surface (4d); a light-emitting element (7) that has electrodes (8, 9) and is mounted on top of the light-reflecting surface (4d); and a sealing member (15) that covers the light-reflecting surface (4d) and light-emitting element (7). The sealing member (15) is translucent and has an oxygen gas permeability no greater than 40,000 cc/m²·day.
A light-emitting module (1) provided with a module board (2), light-emitting diode lines (31), and a sealing member (48). Each light-emitting diode line (31) includes a plurality of light-emitting diodes (32) and a plurality of bonding wires (37) connected between the light-emitting diodes (32). Each light-emitting diode (32) has a pair of electrodes (33, 34) and has a rectangular shape that extends to the direction that the electrodes (33, 34) are lined up in. The sealing member (48) is deposited on the module board (2) so as to seal the light-emitting diode lines (31). The light-emitting diodes (32) are arranged with clearance to each other in directions that intersect the direction in which the electrodes (33, 34) are lined up in, and are arranged so that the electrodes (33, 34) of the same polarity between adjacent light-emitting diodes (32) are adjacent in the arrangement direction of the light-emitting diodes (32). The bonding wires (37) are laid in a manner diagonal to the arrangement direction of the light-emitting diodes (32) so as to connect electrodes (33, 34) of different polarities of the adjacent light-emitting diodes (32).
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