WO2010018827A1 - 発光装置 - Google Patents
発光装置 Download PDFInfo
- Publication number
- WO2010018827A1 WO2010018827A1 PCT/JP2009/064189 JP2009064189W WO2010018827A1 WO 2010018827 A1 WO2010018827 A1 WO 2010018827A1 JP 2009064189 W JP2009064189 W JP 2009064189W WO 2010018827 A1 WO2010018827 A1 WO 2010018827A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- lens
- emitting device
- light emitter
- fluorescent
- Prior art date
Links
- 239000000758 substrate Substances 0.000 claims abstract description 82
- 239000004065 semiconductor Substances 0.000 claims abstract description 54
- 230000017525 heat dissipation Effects 0.000 claims abstract description 20
- 238000009792 diffusion process Methods 0.000 claims description 40
- 239000011810 insulating material Substances 0.000 claims description 29
- 239000011521 glass Substances 0.000 claims description 17
- 238000009413 insulation Methods 0.000 abstract description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 27
- 229920005989 resin Polymers 0.000 description 17
- 239000011347 resin Substances 0.000 description 17
- 230000006866 deterioration Effects 0.000 description 15
- 239000000463 material Substances 0.000 description 13
- 238000007789 sealing Methods 0.000 description 13
- 230000008859 change Effects 0.000 description 6
- 239000012780 transparent material Substances 0.000 description 6
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 5
- 239000003822 epoxy resin Substances 0.000 description 5
- 239000011151 fibre-reinforced plastic Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 239000003566 sealing material Substances 0.000 description 5
- 229920000877 Melamine resin Polymers 0.000 description 4
- 239000004640 Melamine resin Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000005011 phenolic resin Substances 0.000 description 4
- 229920002050 silicone resin Polymers 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005401 electroluminescence Methods 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- -1 praseodymium ions Chemical class 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/49105—Connecting at different heights
- H01L2224/49107—Connecting at different heights on the semiconductor or solid-state body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/507—Wavelength conversion elements the elements being in intimate contact with parts other than the semiconductor body or integrated with parts other than the semiconductor body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/64—Heat extraction or cooling elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/64—Heat extraction or cooling elements
- H01L33/644—Heat extraction or cooling elements in intimate contact or integrated with parts of the device other than the semiconductor body
Definitions
- the present invention relates to a light emitting device used as an alternative to a lighting fixture such as an incandescent lamp, a mercury lamp, or a fluorescent lamp.
- an EL (Electro Luminescence) panel or a point light source LED (Light Emitting Diode) and a light guide plate are known.
- the LED of the point light source includes an LED element housed in a cup above the mount lead, an external cap that covers the top of the blanket, and a phosphor layer that is applied to the inside of the external cap.
- a vacuum or inert gas that improves the light resistance of a phosphor (see Patent Document 1).
- the semiconductor light-emitting device which consists of a blue LED element, the heat insulation layer which has covered the main light emission surface side of the semiconductor light-emitting device, and the fluorescent substance layer arrange
- a light-emitting device including a member and having a heat insulating layer formed in a reduced-pressure atmosphere has also been proposed (see Patent Document 2).
- the EL panel has a problem that the luminance is low and the manufacturing process is complicated as compared with the LED.
- a light emitting device using a point light source LED is relatively weak against heat, and it is difficult to achieve high luminance by flowing a large current.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a light-emitting device that is resistant to heat and capable of increasing luminance by increasing a light-emitting area.
- a plate-like heat radiating member a substrate, a first conductive type first semiconductor layer, a light emitting layer, and a second conductive type second semiconductor layer mounted on the heat radiating member.
- a light emitting body that emits light in a linear or planar manner, covers the light emitting body on the heat dissipation member, and is excited by light emitted from the light emitting body.
- a light emitting device is provided that extends in the same direction as the extending direction.
- the semiconductor stacked body since the semiconductor stacked body extends in a predetermined direction, a relatively large current can flow through the semiconductor stacked body, and the linear or planar light emitting body emits light with an arbitrary luminance. be able to.
- the semiconductor stacked body since the semiconductor stacked body extends in a predetermined direction, the light emitting area can be made relatively large, and a substantially uniform light emitting state can be realized in the extending direction of the semiconductor stacked body.
- Most of the heat generated in the semiconductor stack is transferred to the heat dissipation member and is insulated by the vacuum-heat-insulating layer on the light emitter side, so it hardly transfers to the fluorescent lens side and suppresses deterioration of the fluorescent lens. Can do.
- the apparatus can be made thin. Furthermore, since the heat radiating member extends in the same direction as the extending direction of the light emitter, the heat radiating area of the heat radiating member can be increased, and a substantially uniform heat transfer state can be realized in the extending direction of the heat radiating member. The heat dissipation performance of the device can be improved.
- the light emitter is preferably mounted at the center in the width direction of the heat radiating member.
- the light emitter is composed of one element extending in the predetermined direction.
- the light emitter is a single element, variations in luminance, chromaticity, etc. in the element can be visually recognized as if the light emitter is composed of a plurality of adjacent elements. There is nothing.
- the light-emitting device includes a diffusion lens that covers the outside of the fluorescent lens and diffuses light transmitted through the fluorescent lens, and a lens-side vacuum heat insulating layer formed between the diffusion lens and the fluorescent lens. It is preferable.
- the light emitting device since the light transmitted through the fluorescent lens is diffused by the diffusing lens, the light emitting state can be further uniformized. Further, since the lens-side vacuum heat insulating layer is formed, the heat given to the diffusing lens from the outside of the apparatus hardly transfers to the fluorescent lens, and the deterioration of the fluorescent lens can be suppressed by the heat generation factor outside the apparatus. .
- ultraviolet light outside the device does not pass through the diffusion lens and enter the fluorescent lens, and it is possible to prevent the fluorescent lens from being deteriorated by the ultraviolet light.
- the light emitting device preferably includes a heat insulating material provided on an outer edge side of the upper surface of the heat radiating member, and the diffusion lens is provided on the heat radiating member via the heat insulating material.
- the diffusion lens is welded to the heat insulating material.
- the diffusion lens and the heat insulating material can be connected without a gap, and the airtightness when the inside of the diffusion lens is evacuated can be ensured accurately.
- the fluorescent lens is preferably provided on the heat dissipation member via the heat insulating material.
- the fluorescent lens and the diffusing lens are preferably made of glass.
- heat resistance, weather resistance and the like are improved as compared with a fluorescent lens and a diffusing lens made of resin.
- the light emitting body can emit light linearly or planarly while taking the structure of the LED, so that the light emitting area can be increased to increase the brightness, and an incandescent lamp, mercury lamp, fluorescent lamp can be achieved.
- a light emitting device suitable as a lighting fixture used as a substitute for a lighting fixture such as a lamp.
- the deterioration of the fluorescent lens due to heat generated in the semiconductor laminate can be suppressed, it is strong against heat and a large current can be passed through the light emitter.
- the heat dissipating member into a plate shape, the heat dissipating area can be increased and thinned.
- FIG. 1 is an external appearance explanatory view of a light-emitting device showing a first embodiment of the present invention.
- FIG. 2 is a schematic longitudinal sectional view of the light emitting device.
- FIG. 3 is a plan view of the light emitting device.
- FIG. 4 is a schematic longitudinal sectional view of a light emitting device showing a modification.
- FIG. 5 is a schematic longitudinal sectional view of a light emitting device showing a modification.
- FIG. 6 is a schematic longitudinal sectional view of a light-emitting device showing a second embodiment of the present invention.
- FIG. 7 is a schematic plan view of a semiconductor wafer.
- FIG. 8 is a schematic longitudinal sectional view of a light emitting device showing a modification.
- FIG. 1 is an explanatory view of the appearance of a light emitting device
- FIG. 2 is a schematic longitudinal sectional view of the light emitting device
- FIG. 3 is a plan view of the light emitting device. is there.
- the light emitting device 1 covers an external substrate 2 as a plate-like heat dissipation member, a light emitter 3 that is mounted on the external substrate 2 and emits light linearly, and a light emitter 3 on the external substrate 2.
- a fluorescent lens 4 and a light emitter-side vacuum heat insulating layer 5 formed between the fluorescent lens 4 and the light emitter 3 are provided.
- the light emitter 3 includes a growth substrate 31 and a semiconductor stacked body 32 formed on the growth substrate 31 by epitaxial growth.
- the light emitting device 1 includes a reflector 6 that is provided on the external substrate 2 and reflects light emitted from the light emitter 3 in a predetermined direction.
- the external substrate 2 is, for example, an interposer, made of an inorganic material, and excellent in heat dissipation.
- the external substrate 2 functions alone as a heat radiating member, but it is also possible to connect a heat sink or the like to the external substrate 2.
- the external substrate 2 is made of a ceramic such as AlN, and is formed in a quadrangular shape extending in a predetermined direction in plan view.
- the light emitter 3 extends in the same direction as the external substrate 2 in a plan view, and emits light linearly on the rectangular external substrate 2.
- the light emitter 3 is not limited to a linear shape, and may be formed in a planar shape that extends in two directions of the longitudinal direction and the width direction of the external substrate 2.
- the light emitter 3 is a face-up type
- the growth substrate 31 of the light emitter 3 is made of sapphire
- the semiconductor stacked body 32 is made of a GaN-based material. As shown in FIG.
- the semiconductor stacked body 32 includes an n-type semiconductor layer 33, a light emitting layer 34, and a p-type semiconductor layer 35 from the growth substrate 31 side, and on the n-type semiconductor layer 33 and the p-type semiconductor layer 35.
- an n-side electrode 36 and a p-side electrode 37 are formed.
- the n-type semiconductor layer 33 is formed by removing a part of the light emitting layer 34 and the p-type semiconductor layer 35 by etching and exposing a part of the n-type semiconductor layer 33, thereby forming the n-side electrode 36.
- the electrodes 36 and 37 are electrically connected to the first electrode 2a and the second electrode 2b on the external substrate 2 by the first wire 3a and the second wire 3b.
- a plurality of first wires 3 a and second wires 3 b are provided side by side in the extending direction of the light emitter 3.
- the light emitter 3 emits blue light, and has a peak wavelength of 460 nm, for example.
- the light emitter 3 is sealed with a transparent resin 7 such as an epoxy resin or silicone.
- the transparent resin 7 does not contain a phosphor, and transmits light emitted from the light emitter 3 as it is.
- the transparent resin 7 is preferably a resin having high heat resistance. It is possible to seal the light emitter 3 with an inorganic material such as glass.
- the fluorescent lens 4 is made of a transparent material such as glass and contains a phosphor 8.
- the glass used for the lens 4 is preferably a low melting point glass.
- the fluorescent lens 4 may be formed of other transparent material such as fiber reinforced plastic (FRP (Fiber Reinforced Plastics)) instead of glass.
- FRP Fiber Reinforced Plastics
- the phosphor 8 emits light having a wavelength different from that of the light.
- the illuminant 3 is a yellow phosphor that emits yellow light when excited by blue light.
- YAG Yttrium Aluminium Garnet
- silicate or the like is used.
- the fluorescent lens 4 is provided via a heat insulating material 9 provided on the outer edge of the upper surface of the external substrate 2. That is, the heat insulating material 9 is formed so as to surround the inside of the external substrate 2 in plan view. By welding the fluorescent lens 4 to the heat insulating material 9, the inside and outside of the fluorescent lens 4 can be secured.
- the material of the heat insulating material 9 is arbitrary, a phenol resin, an epoxy resin, a melamine resin, a silicone resin etc. can be used, for example.
- the fluorescent lens 4 has a semi-elliptical cross section and extends in the same direction as the extending direction of the external substrate 2 so as to substantially coincide with the external substrate 2 in plan view.
- the illuminant-side vacuum heat insulating layer 5 is formed by depressurizing a gas such as air from the atmospheric pressure.
- a gas such as air from the atmospheric pressure.
- “Vacuum” as used herein does not mean a state in which no substance is present, but a state in which the gas is depressurized to the extent that it has an adiabatic action.
- the pressure inside the luminous body side vacuum heat insulating layer 5 is preferably 15 Torr or less, more preferably 1.0 Torr or less, and still more preferably 0.1 Torr or less.
- the internal pressure of the light emitter-side vacuum heat insulating layer 5 can be set to 10 ⁇ 5 Torr or lower, or 10 ⁇ 9 Torr or lower.
- the reflectors 6 are made of a heat insulating material and are provided as a pair on both sides of the light emitter 3 in the width direction.
- the material of the reflecting plate 6 is arbitrary, a phenol resin, an epoxy resin, a melamine resin, a silicone resin etc. can be used, for example.
- the reflection plate 6 partitions the space between the external substrate 2 and the fluorescent lens 4. It is preferable to form a metal thin film such as Al having a relatively high reflectance on the surface of the reflecting plate 6.
- the light emitting device 1 when voltage is applied to the light emitter 3 through the first electrode 2a and the second electrode 2b of the external substrate 2, blue light is emitted from the light emitter 3, and blue light is emitted.
- the light enters the fluorescent lens 4 directly or indirectly.
- the blue light the light emitted in the direction of the reflecting plate 6 is reflected by the reflecting plate 6 and indirectly enters the fluorescent lens 4.
- Part of the blue light incident on the fluorescent lens 4 is converted into yellow light by the phosphor 8, and mixed light of blue light and yellow light is emitted from the fluorescent lens 4 to the outside.
- the mixed light is optically controlled on the surface of the fluorescent lens 4, and the mixed light is emitted in the intended direction. In this way, white light is emitted from the light emitting device 1.
- the semiconductor stacked body 32 since the semiconductor stacked body 32 extends in a predetermined direction, a relatively large current is passed through the semiconductor stacked body 32 through the plurality of wires 3a and 3b, so that the linear light-emitting body 3 has an arbitrary luminance. Can emit light. Thereby, the brightness of the apparatus can be increased.
- the heat radiating member is plate-shaped, it is easy to increase the heat radiating area, the heat radiating performance can be improved, and the apparatus can be made thin, which is extremely advantageous in practical use. Moreover, the light radiated
- the heat generated from the light emitter 3 is transmitted from the center side to both end sides in the width direction of the external substrate 2.
- the light emitter 3 is mounted on the end portion in the width direction of the external substrate 2, it is possible to dissipate heat efficiently.
- the light emitting device 1 since the light emitter 3 is a single element, there are variations in luminance, chromaticity, and the like in the element as if the light emitter 3 is composed of a plurality of adjacent elements. It is never seen.
- the light-emitting body 3 may be a flip chip type.
- the emission wavelength, material, and the like of the light emitter 3 can be arbitrarily changed.
- the light emitter 3 emits ultraviolet light
- the fluorescent lens 4 may contain a blue phosphor, a green phosphor and a red phosphor excited by the ultraviolet light.
- white light may be obtained by combining a plurality of types of light emitters 3 having different emission wavelengths without containing a phosphor.
- the substrate of the light emitter 3 may be a support substrate that is bonded after the epitaxial formation, instead of the growth substrate 31.
- a pair of reflecting plate 6 showed what divides between the fluorescent lens 4 and the external substrate 2, as shown in FIG. 4, for example, the reflector member which has a reflective surface on the external substrate 2 Of course, 16 may be installed.
- the fluorescent lens 4 may have a two-layer structure of an inner fluorescent layer 4a and an outer diffusion layer 4b.
- the phosphor 8 is dispersed in the inner fluorescent layer 4a, and the diffusing material 18 is dispersed in the outer diffusion layer 4b.
- the fluorescent lens 4 may be made of glass to which ions of a predetermined element are added, and ions may be emitted by excitation light from the light emitter 3.
- FIG. 6 is a schematic longitudinal sectional view of a light emitting device showing a second embodiment of the present invention.
- the light-emitting device 101 covers an external substrate 102 as a plate-shaped heat dissipation member, a light-emitting body 103 that is mounted on the external substrate 102 and emits light in a linear shape, and a light-emitting body 103 on the external substrate 2.
- a fluorescent lens 104 and a light emitter-side vacuum heat insulating layer 105 formed between the fluorescent lens 104 and the light emitter 103 are provided.
- the light emitting device 101 also includes a diffusion lens 114 that covers the outside of the fluorescent lens 104 and diffuses light transmitted through the fluorescent lens 104, and a lens-side vacuum heat insulating layer 115 formed between the diffusion lens 114 and the fluorescent lens 104. It is equipped with.
- the light emitter 103 includes a growth substrate 131 and a semiconductor stacked body 132 formed on the growth substrate 131 by epitaxial growth.
- the light emitting device 101 includes a reflector 106 that is provided on the external substrate 102 and reflects light emitted from the light emitter 103 in a predetermined direction.
- the external substrate 102 is made of ceramic such as AlN, for example, and is formed in a square shape extending in a predetermined direction in plan view.
- the external substrate 102 is formed with a communication hole 121 that allows communication between the outside of the apparatus and the light emitter-side vacuum heat insulating layer 105, and the communication hole 121 is closed by a closing member 122.
- the light emitter 103 extends in the same direction as the external substrate 102 in plan view, and emits light in a linear shape on the rectangular external substrate 102.
- the semiconductor stacked body 132 includes an n-type semiconductor layer 133, a light emitting layer 134, and a p-type semiconductor layer 135 from the growth substrate 131 side.
- a side electrode 137 is formed.
- the light emitter 103 is not limited to a linear shape, and may be formed in a planar shape that extends in two directions of the longitudinal direction and the width direction of the external substrate 102.
- the light emitter 103 is a flip chip type.
- the light emitter 103 emits blue light and has a peak wavelength of 460 nm, for example.
- the light emitter 103 is sealed with a transparent resin 107.
- the light emitter 103 is mounted at the center in the width direction of the external substrate 2. Furthermore, the light emitter 103 is composed of one LED element extending in the same direction as the external substrate 102. That is, the light emitting device 101 of the present embodiment is completely different from the LED print head in which the light emitter is mounted on the end portion in the width direction of the external substrate and is composed of a plurality of elements.
- the fluorescent lens 104 is made of a transparent material such as glass and contains a phosphor 108. When excited by light emitted from the light emitter 103, the phosphor 108 emits light having a wavelength different from that of the light. In the present embodiment, the light emitter 103 is a yellow phosphor that emits yellow light when excited by blue light.
- the fluorescent lens 104 may be a glass to which ions of a predetermined element are added, and the glass itself emits fluorescence. For example, when trivalent praseodymium ions are added to glass, blue light, green light, and red light are emitted from the praseodymium ions as emission centers by excitation of blue light.
- the diffusion lens 114 is made of a transparent material such as glass and contains a diffusion material 118.
- the diffusion material 118 is, for example, ceramic particles such as TiO 2 and SiO 2 .
- the diffusing lens 114 may include a diffusion layer on the surface instead of containing the diffusing material 118. Further, the diffusing lens 114 may be formed of other transparent material such as fiber reinforced plastic (FRP) instead of glass.
- FRP fiber reinforced plastic
- the diffusing lens 114 is configured not to transmit ultraviolet light and prevents entry of ultraviolet light from the outside.
- ultraviolet light refers to light having a wavelength of 400 nm or less.
- Examples of the configuration that does not transmit ultraviolet light include, for example, making the transparent material of the diffusion lens 114 a material that does not transmit ultraviolet light, and providing a diffusion layer that is opaque to ultraviolet light on the surface of the diffusion lens 114.
- Examples of the material that does not transmit ultraviolet light include UV cut glass and UV cut resin.
- Examples of the diffusion layer opaque to ultraviolet light include an ultraviolet absorbing film.
- the diffusion lens 114 is provided via a heat insulating material 109 provided on the outer edge of the upper surface of the external substrate 102.
- the fluorescent lens 104 is also provided via a heat insulating material 109.
- the heat insulating material 109 is formed so as to surround the inside of the external substrate 102 in a plan view. By welding the diffusion lens 114 to the heat insulating material 109, the inside and outside of the diffusion lens 114 can be secured.
- the material of the heat insulating material 109 is arbitrary, a phenol resin, an epoxy resin, a melamine resin, a silicone resin etc. can be used, for example.
- the diffusion lens 114 has a semi-elliptical cross section and extends in the same direction as the extending direction of the external substrate 102, and is formed so as to substantially coincide with the external substrate 102 in plan view.
- the fluorescent lens 104 is provided inside the diffusing lens 114 and has a cross-sectional shape similar to that of the diffusing lens 114.
- the fluorescent lens 104 is formed shorter than the diffusing lens 114, and the inside and outside of the fluorescent lens 104 communicate with each other at both ends in the extending direction.
- the light emitter side vacuum heat insulating layer 105 and the lens side vacuum heat insulating layer 115 are formed by depressurizing a gas such as air from the atmospheric pressure.
- the light emitter side vacuum heat insulating layer 105 and the lens side vacuum heat insulating layer 115 communicate with each other at both ends of the fluorescent lens 104 and have the same internal pressure.
- the internal pressure is preferably 15 Torr or less, more preferably 1.0 Torr or less, and more preferably 0.1 Torr or less. Further, the internal pressure can be 10 ⁇ 5 Torr or less, or 10 ⁇ 9 Torr or less.
- the reflectors 106 are made of a heat insulating material and are provided as a pair on both sides of the light emitter 103 in the width direction.
- the material of the reflecting plate 106 is arbitrary, for example, phenol resin, epoxy resin, melamine resin, silicone resin, or the like can be used.
- the reflection plate 106 partitions a space between the external substrate 102 and the fluorescent lens 104 and a space between the external substrate 102 and the diffusion lens 114. It is preferable to form a metal thin film such as Al having a relatively high reflectance on the surface of the reflecting plate 106.
- FIG. 7 is a schematic plan view of a semiconductor wafer.
- the light emitter 103 is created by cutting a disk-shaped semiconductor wafer 200 in which a semiconductor stacked body 32 is formed on a growth substrate 31.
- a long light emitter 103 is formed adjacent to the width direction thereof.
- a substantially square light emitter 201 used for the point light source LED is formed outside each light emitter 103 in the semiconductor wafer 200.
- an external substrate 102 is prepared separately from the light emitter 103, and a reflection plate 106 is attached to the external substrate 102. Thereafter, the light emitter 103 is flip-chip mounted on the external substrate 102 and sealed with a sealing resin 107.
- the sealing resin 107 is formed by adhering a resin tape covering the light emitter 103 to the upper surface of the external substrate 102. Thereby, the sealing operation
- a heat insulating material 109 to which the fluorescent lens 104 and the diffusion lens 114 are welded is provided on the external substrate 102. At this time, it is desirable that the heat insulating material 109 and the external substrate 102 are also joined by welding. Then, air is discharged through the discharge hole 121 of the external substrate 102 to make the light emitter side vacuum heat insulating layer 105 and the lens side vacuum heat insulating layer 115 in a vacuum state, and then the discharge hole 121 is closed by the closing member 122.
- the light emitting device 101 when voltage is applied to the light emitter 103 through the first electrode 102a and the second electrode 102b of the external substrate 102, blue light is emitted from the light emitter 103, and blue light is emitted.
- the light enters the fluorescent lens 104 directly or indirectly. Part of the blue light incident on the fluorescent lens 104 is converted into yellow light by the phosphor 108, and mixed light of blue light and yellow light is emitted from the fluorescent lens 104 toward the diffusion lens 114.
- the mixed light radiated to the diffusing lens 114 side is diffused by the diffusing lens 114, optically controlled on the surface of the diffusing lens 114, and radiated in the intended direction. In this way, white light is emitted from the light emitting device 101.
- the semiconductor stacked body 132 since the semiconductor stacked body 132 extends in a predetermined direction, a relatively large current can be passed through the semiconductor stacked body 132, and the linear light emitting body 103 can be made to have an arbitrary luminance. Can emit light.
- the semiconductor stacked body 132 since the semiconductor stacked body 132 extends in a predetermined direction, the light emitting area can be made relatively large, and a substantially uniform light emitting state can be realized in the extending direction of the semiconductor stacked body 132.
- the external substrate 102 extends in the same direction as the direction in which the light emitter 103 extends, the heat dissipation area of the external substrate 102 is increased, and a substantially uniform heat transfer state is realized in the extending direction of the external substrate 102. And the heat dissipation performance of the apparatus can be improved.
- the heat generated in the semiconductor stacked body 132 is transmitted to the external substrate 102 side and is insulated by the light emitter-side vacuum heat insulating layer 105, and therefore hardly transmitted to the fluorescent lens 104 side. Deterioration can be suppressed. Further, since the heat generated in the semiconductor stacked body 132 hardly transfers to the fluorescent lens 104 side, the deterioration of the phosphor 108 contained in the fluorescent lens 104 is suppressed, and the color change of the luminescent color of the device over time is suppressed. Can be suppressed. Therefore, the inherent long life of the LED in the light emitter 103 can be utilized without considering the deterioration of the phosphor 108.
- the light emitting device 101 of the present embodiment since the light transmitted through the fluorescent lens 104 is diffused by the diffusion lens 114, the light emission state can be further uniformized.
- the lens-side vacuum heat insulating layer 115 is formed, the heat given to the diffusion lens 114 from the outside of the apparatus hardly transfers to the fluorescent lens 104, and the phosphor 108 of the fluorescent lens 104 is caused by a heat generation factor outside the apparatus. Can be prevented.
- ultraviolet light outside the apparatus does not pass through the diffusion lens and enter the fluorescent lens, and it is possible to prevent the fluorescent lens from being deteriorated by the ultraviolet light. Accordingly, even when the light emitting device 101 is used outdoors, the fluorescent lens 104 is not deteriorated by the ultraviolet component contained in sunlight.
- the diffusion lens 114 is provided on the external substrate 102 via the heat insulating material 109, the heat generated in the semiconductor stacked body 132 is directed to the diffusion lens 114 side. Almost no transmission occurs, and deterioration of the diffusing lens 114 can be suppressed.
- heat is not transferred from the mounting portion of the light emitter 103 in the apparatus toward the diffusing lens 114, when the light emitter 103 is used as a lighting fixture for illuminating the room, the irradiated body, etc., the room, the irradiated body, etc. It is not heated and does not have a thermal effect caused by the light emitting device 101 on the room, the irradiated object, or the like.
- the diffusing lens 114 and the heat insulating material 109 are welded, the diffusing lens 114 and the heat insulating material 109 can be connected without a gap, and airtightness when the inside of the diffusing lens 114 is evacuated is accurately ensured. be able to. Further, according to the light emitting device 101 of the present embodiment, since the fluorescent lens 104 and the diffusing lens 114 are made of glass, heat resistance, weather resistance, and the like are improved as compared with those made of resin.
- the heat generated from the light emitter 103 is transmitted from the center side to both end sides in the width direction of the external substrate 102.
- the light emitter 103 is a single element, there are variations in luminance, chromaticity, etc. in the element, as in the case where the light emitter 103 is composed of a plurality of adjacent elements. It is never seen.
- the light emitter 103 is sealed with the sealing resin 107.
- a sealing material such as the sealing resin 107 of the light emitter 103 is used. It is good also as a structure which abbreviate
- a reflector member 116 made of a heat insulating material having a reflective surface is installed on the external substrate 102.
- the reflector member 116 may be formed integrally with the external substrate 102.
- a heat insulating material is provided on the entire contact portion between the reflector member 116 and the fluorescent lens 104 and the diffusion lens 114.
- the diffusing lens 114 does not transmit ultraviolet light. However, even if a film that reflects ultraviolet light is formed on the surface, the penetration of ultraviolet light from the outside is prevented. can do.
- the light emitter 103 may emit ultraviolet light
- the fluorescent lens 104 may include a blue phosphor, a green phosphor, and a red phosphor that are excited by the ultraviolet light. In this case, it is possible to prevent the ultraviolet light from being emitted from the light emitter 103 to the outside by making the diffusing lens 114 not transmit the ultraviolet light.
- the light emitter 103 is composed of one element.
- the light emitter 103 is composed of a plurality of elements. Even if it exists, if the light-emitting device 101 is provided with the light-emitting body side vacuum heat insulation layer 105 and the lens side vacuum heat insulation layer 115, it cannot be overemphasized that the heat insulation effect by these can be acquired.
- Example considered to be typical of this invention was described, this invention is not necessarily limited only to these Example structures, It can change suitably about a detailed detailed structure etc. suitably. Of course.
- the light-emitting device of the present invention is used as an alternative to lighting fixtures such as incandescent lamps, mercury lamps, and fluorescent lamps. That is, the light-emitting device of the present invention is different from the LED print head that is not used for illumination in the technical field and does not share the functions and functions.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
- Led Devices (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
2 外部基板
2a 第1電極
2b 第2電極
3 発光体
3a 第1ワイヤ
3b 第2ワイヤ
4 蛍光レンズ
4a 蛍光層
4b 拡散層
5 発光体側真空断熱層
6 反射板
7 封止樹脂
8 蛍光体
9 断熱材
16 リフレクタ部材
18 拡散材
31 成長基板
32 半導体積層体
33 n型半導体層
34 発光層
35 p型半導体層
36 n側電極
37 p側電極
101 発光装置
102 外部基板
102a 第1電極
102b 第2電極
103 発光体
103a 第1ワイヤ
103b 第2ワイヤ
104 蛍光レンズ
105 発光体側真空断熱層
106 反射板
107 封止樹脂
108 蛍光体
109 断熱材
115 レンズ側真空断熱層
116 リフレクタ部材
118 拡散材
121 連通孔
122 閉塞部材
131 成長基板
132 半導体積層体
133 n型半導体層
134 発光層
135 p型半導体層
136 n側電極
137 p側電極
図6に示すように、発光装置101は、板状の放熱部材としての外部基板102と、外部基板102に搭載され線状に発光する発光体103と、外部基板2上の発光体103を覆う蛍光レンズ104と、蛍光レンズ104と発光体103の間に形成された発光体側真空断熱層105と、を備えている。また、発光装置101は、蛍光レンズ104の外側を覆い蛍光レンズ104を透過した光を拡散させる拡散レンズ114と、拡散レンズ114と蛍光レンズ104との間に形成されたレンズ側真空断熱層115と、を備えている。また、発光体103は、成長基板131と、成長基板131上にエピタキシャル成長により形成された半導体積層体132と、を有している。また、発光装置101は、外部基板102上に設けられ、発光体103から発せられる光を所定方向へ反射する反射板106を備えている。
図7に示すように、発光体103は、成長基板31上に半導体積層体32が形成された円板状の半導体ウェハ200をカットすることにより作成される。半導体ウェハ200の中央側には、長尺な発光体103がその幅方向に隣接して形成される。そして、半導体ウェハ200における各発光体103の外側には、点光源LEDに用いられる略正方形の発光体201が形成される。
そして、外部基板102の排出孔121を通じて空気を排出し、発光体側真空断熱層105及びレンズ側真空断熱層115を真空状態とした後、排出孔121を閉塞部材122により塞ぐ。
また、本実施形態の発光装置101によれば、蛍光レンズ104及び拡散レンズ114がガラスであるので、樹脂からなるものに比べて、耐熱性、耐候性等が向上する。
また、発光体103を紫外光を発するものとし、蛍光レンズ104に紫外光により励起される青色蛍光体、緑色蛍光体及び赤色蛍光体を含有させたものであってもよい。この場合、拡散レンズ114が紫外光を透過しないものとすることで、発光体103から紫外光が外部へ放出することを防止することができる。
Claims (6)
- 板状の放熱部材と、
前記放熱部材に搭載され、基板と、第1導電型の第1半導体層、発光層及び第2導電型の第2半導体層を含み所定方向へ延びる半導体積層体と、を有し、線状あるいは面状に発光する発光体と、
前記放熱部材上の前記発光体を覆い、前記発光体から発せられる光により励起されると当該光と異なる波長の光を発する蛍光レンズと、
前記蛍光レンズと前記発光体との間に形成された発光体側真空断熱層と、
前記蛍光レンズの外側を覆い、前記蛍光レンズを透過した光を拡散させる拡散レンズと、
前記拡散レンズと前記蛍光レンズとの間に形成されたレンズ側真空断熱層と、を備え、
前記放熱部材は、前記発光体の延在方向と同方向へ延びる発光装置。 - 前記拡散レンズは、外部からの紫外光の侵入を阻止する請求項1に記載の発光装置。
- 前記放熱部材の上面の外縁側に設けられた断熱材を備え、
前記拡散レンズは、前記断熱材を介して前記放熱部材に設けられている請求項1または2に記載の発光装置。 - 前記拡散レンズは、前記断熱材に溶着されている請求項3に記載の発光装置。
- 前記蛍光レンズは、前記断熱材を介して前記放熱部材に設けられている請求項4に記載の発光装置。
- 前記蛍光レンズ及び前記拡散レンズは、ガラスからなる請求項3から5のいずれか1項に記載の発光装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2734292A CA2734292C (en) | 2008-08-12 | 2009-08-11 | Light-emitting device |
EP09806718A EP2315264A4 (en) | 2008-08-12 | 2009-08-11 | LIGHT EMITTING DEVICE |
US13/058,522 US20110149578A1 (en) | 2008-08-12 | 2009-08-11 | Light-emitting device |
CN2009801311823A CN102119451A (zh) | 2008-08-12 | 2009-08-11 | 发光装置 |
AU2009280606A AU2009280606A1 (en) | 2008-08-12 | 2009-08-11 | Light-emitting device |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-229048 | 2008-08-12 | ||
JP2008229048 | 2008-08-12 | ||
JP2009-008916 | 2009-01-19 | ||
JP2009008916A JP4338768B1 (ja) | 2008-08-12 | 2009-01-19 | 発光装置 |
JP2009-125428 | 2009-05-25 | ||
JP2009125428A JP2010067948A (ja) | 2008-08-12 | 2009-05-25 | 発光装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010018827A1 true WO2010018827A1 (ja) | 2010-02-18 |
Family
ID=41253433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/064189 WO2010018827A1 (ja) | 2008-08-12 | 2009-08-11 | 発光装置 |
Country Status (9)
Country | Link |
---|---|
US (1) | US20110149578A1 (ja) |
EP (1) | EP2315264A4 (ja) |
JP (2) | JP4338768B1 (ja) |
KR (1) | KR20110003586A (ja) |
CN (1) | CN102119451A (ja) |
AU (1) | AU2009280606A1 (ja) |
CA (1) | CA2734292C (ja) |
RU (1) | RU2011109198A (ja) |
WO (1) | WO2010018827A1 (ja) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9412926B2 (en) | 2005-06-10 | 2016-08-09 | Cree, Inc. | High power solid-state lamp |
US20080151143A1 (en) * | 2006-10-19 | 2008-06-26 | Intematix Corporation | Light emitting diode based backlighting for color liquid crystal displays |
JP2010135746A (ja) * | 2008-10-29 | 2010-06-17 | Panasonic Electric Works Co Ltd | 半導体発光素子およびその製造方法、発光装置 |
US9275979B2 (en) | 2010-03-03 | 2016-03-01 | Cree, Inc. | Enhanced color rendering index emitter through phosphor separation |
US9625105B2 (en) | 2010-03-03 | 2017-04-18 | Cree, Inc. | LED lamp with active cooling element |
US8632196B2 (en) | 2010-03-03 | 2014-01-21 | Cree, Inc. | LED lamp incorporating remote phosphor and diffuser with heat dissipation features |
US9500325B2 (en) | 2010-03-03 | 2016-11-22 | Cree, Inc. | LED lamp incorporating remote phosphor with heat dissipation features |
US9316361B2 (en) | 2010-03-03 | 2016-04-19 | Cree, Inc. | LED lamp with remote phosphor and diffuser configuration |
US10359151B2 (en) | 2010-03-03 | 2019-07-23 | Ideal Industries Lighting Llc | Solid state lamp with thermal spreading elements and light directing optics |
JP4792531B2 (ja) * | 2010-03-15 | 2011-10-12 | 兵治 新山 | 発光装置 |
US10451251B2 (en) | 2010-08-02 | 2019-10-22 | Ideal Industries Lighting, LLC | Solid state lamp with light directing optics and diffuser |
CN101950788A (zh) * | 2010-08-13 | 2011-01-19 | 重庆大学 | 一种基于荧光透镜的功率型白光led |
JP2013546184A (ja) * | 2010-11-10 | 2013-12-26 | ▲セン▼國光 | カバーの作製方法及びパッケージ化発光ダイオードの作製方法 |
US11251164B2 (en) * | 2011-02-16 | 2022-02-15 | Creeled, Inc. | Multi-layer conversion material for down conversion in solid state lighting |
JP2012190744A (ja) * | 2011-03-14 | 2012-10-04 | Koito Mfg Co Ltd | 蛍光灯型led灯具 |
WO2013014732A1 (ja) * | 2011-07-24 | 2013-01-31 | Niiyama Heiji | 発光装置 |
CN202484631U (zh) * | 2011-09-27 | 2012-10-10 | 东莞健达照明有限公司 | 具有双层灯罩的led灯具 |
US9115868B2 (en) * | 2011-10-13 | 2015-08-25 | Intematix Corporation | Wavelength conversion component with improved protective characteristics for remote wavelength conversion |
US20130094179A1 (en) * | 2011-10-13 | 2013-04-18 | Intematix Corporation | Solid-state light emitting devices with multiple remote wavelength conversion components |
TW201324877A (zh) * | 2011-12-07 | 2013-06-16 | Metal Ind Res & Dev Ct | 發光二極體封裝結構及其螢光透鏡裝置 |
CN103225751A (zh) * | 2012-01-31 | 2013-07-31 | 欧司朗股份有限公司 | 具有远程荧光粉结构的led照明器 |
WO2013123128A1 (en) * | 2012-02-17 | 2013-08-22 | Intematix Corporation | Solid-state lamps with improved emission efficiency and photoluminescence wavelength conversion components therefor |
TWM443813U (en) * | 2012-03-06 | 2012-12-21 | Winsky Technology Ltd | Illumination device |
US9488359B2 (en) | 2012-03-26 | 2016-11-08 | Cree, Inc. | Passive phase change radiators for LED lamps and fixtures |
JP6055607B2 (ja) * | 2012-03-26 | 2016-12-27 | 東芝ライテック株式会社 | 照明ユニット及び照明装置 |
EP3240052A1 (en) | 2012-04-26 | 2017-11-01 | Intematix Corporation | Methods and apparatus for implementing color consistency in remote wavelength conversion |
US20140313711A1 (en) * | 2013-04-17 | 2014-10-23 | GEM Weltronics TWN Corporation | Light emitting diode (led) light tube |
KR102251613B1 (ko) * | 2013-08-19 | 2021-05-14 | 엘지전자 주식회사 | 조명장치 |
CN105900251A (zh) * | 2013-11-13 | 2016-08-24 | 纳米技术有限公司 | 包含量子点荧光体的led盖 |
KR102200629B1 (ko) * | 2013-12-30 | 2021-01-13 | 삼성디스플레이 주식회사 | 발광 유닛 및 이를 포함하는 표시 장치 |
US9360188B2 (en) | 2014-02-20 | 2016-06-07 | Cree, Inc. | Remote phosphor element filled with transparent material and method for forming multisection optical elements |
JP2016038947A (ja) * | 2014-08-05 | 2016-03-22 | 三菱電機株式会社 | 光拡散ユニット、ランプ及び照明装置 |
CN104141917A (zh) * | 2014-08-15 | 2014-11-12 | 上海祥羚光电科技发展有限公司 | 一种具有二次光转换结构的汽车大灯 |
WO2019210486A1 (en) * | 2018-05-03 | 2019-11-07 | Xi' An Raysees Technology Co. Ltd | Cob led and method for packaging cob led |
JP7504571B2 (ja) * | 2019-09-20 | 2024-06-24 | 林テレンプ株式会社 | 車両室内照明装置 |
JPWO2023002929A1 (ja) * | 2021-07-21 | 2023-01-26 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0352928A (ja) | 1989-07-12 | 1991-03-07 | Soc Atochem | 熱互変性半脂肪族コポリエステルアミド及びその製造方法 |
JP2001156338A (ja) * | 1999-11-24 | 2001-06-08 | Koha Co Ltd | 可視光線発光装置 |
JP2004352928A (ja) * | 2003-05-30 | 2004-12-16 | Mitsubishi Chemicals Corp | 発光装置及び照明装置 |
JP2007066939A (ja) | 2005-08-29 | 2007-03-15 | Matsushita Electric Ind Co Ltd | 半導体発光装置 |
JP2007080872A (ja) * | 2005-09-09 | 2007-03-29 | Matsushita Electric Works Ltd | 発光装置 |
JP2007243055A (ja) * | 2006-03-10 | 2007-09-20 | Matsushita Electric Works Ltd | 発光装置 |
JP2007243054A (ja) * | 2006-03-10 | 2007-09-20 | Matsushita Electric Works Ltd | 発光装置 |
JP2007250817A (ja) * | 2006-03-16 | 2007-09-27 | Stanley Electric Co Ltd | Led |
JP2007266631A (ja) * | 2005-09-20 | 2007-10-11 | Matsushita Electric Works Ltd | 発光装置 |
JP2008112867A (ja) * | 2006-10-30 | 2008-05-15 | Matsushita Electric Works Ltd | 発光装置 |
WO2008105428A1 (ja) * | 2007-02-27 | 2008-09-04 | Kyocera Corporation | 発光装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7527669B2 (en) * | 2003-12-10 | 2009-05-05 | Babcock & Wilcox Technical Services Y-12, Llc | Displacement method and apparatus for reducing passivated metal powders and metal oxides |
TWI257184B (en) * | 2004-03-24 | 2006-06-21 | Toshiba Lighting & Technology | Lighting apparatus |
CN100550445C (zh) * | 2005-04-01 | 2009-10-14 | 松下电器产业株式会社 | 表面安装型光半导体器件及其制造方法 |
JP2007081234A (ja) * | 2005-09-15 | 2007-03-29 | Toyoda Gosei Co Ltd | 照明装置 |
JP4953841B2 (ja) * | 2006-03-31 | 2012-06-13 | 京セラ株式会社 | 熱電モジュール |
US7722224B1 (en) * | 2006-12-15 | 2010-05-25 | Fusion Optix, Inc. | Illuminating device incorporating a high clarity scattering layer |
US7918596B2 (en) * | 2007-04-20 | 2011-04-05 | Federal Signal Corporation | Warning light |
-
2009
- 2009-01-19 JP JP2009008916A patent/JP4338768B1/ja not_active Expired - Fee Related
- 2009-05-25 JP JP2009125428A patent/JP2010067948A/ja active Pending
- 2009-08-11 KR KR1020107027899A patent/KR20110003586A/ko not_active Application Discontinuation
- 2009-08-11 EP EP09806718A patent/EP2315264A4/en not_active Withdrawn
- 2009-08-11 AU AU2009280606A patent/AU2009280606A1/en not_active Abandoned
- 2009-08-11 US US13/058,522 patent/US20110149578A1/en not_active Abandoned
- 2009-08-11 CA CA2734292A patent/CA2734292C/en active Active
- 2009-08-11 RU RU2011109198/28A patent/RU2011109198A/ru not_active Application Discontinuation
- 2009-08-11 WO PCT/JP2009/064189 patent/WO2010018827A1/ja active Application Filing
- 2009-08-11 CN CN2009801311823A patent/CN102119451A/zh active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0352928A (ja) | 1989-07-12 | 1991-03-07 | Soc Atochem | 熱互変性半脂肪族コポリエステルアミド及びその製造方法 |
JP2001156338A (ja) * | 1999-11-24 | 2001-06-08 | Koha Co Ltd | 可視光線発光装置 |
JP2004352928A (ja) * | 2003-05-30 | 2004-12-16 | Mitsubishi Chemicals Corp | 発光装置及び照明装置 |
JP2007066939A (ja) | 2005-08-29 | 2007-03-15 | Matsushita Electric Ind Co Ltd | 半導体発光装置 |
JP2007080872A (ja) * | 2005-09-09 | 2007-03-29 | Matsushita Electric Works Ltd | 発光装置 |
JP2007266631A (ja) * | 2005-09-20 | 2007-10-11 | Matsushita Electric Works Ltd | 発光装置 |
JP2007243055A (ja) * | 2006-03-10 | 2007-09-20 | Matsushita Electric Works Ltd | 発光装置 |
JP2007243054A (ja) * | 2006-03-10 | 2007-09-20 | Matsushita Electric Works Ltd | 発光装置 |
JP2007250817A (ja) * | 2006-03-16 | 2007-09-27 | Stanley Electric Co Ltd | Led |
JP2008112867A (ja) * | 2006-10-30 | 2008-05-15 | Matsushita Electric Works Ltd | 発光装置 |
WO2008105428A1 (ja) * | 2007-02-27 | 2008-09-04 | Kyocera Corporation | 発光装置 |
Also Published As
Publication number | Publication date |
---|---|
CA2734292A1 (en) | 2010-02-18 |
JP4338768B1 (ja) | 2009-10-07 |
CN102119451A (zh) | 2011-07-06 |
JP2010067948A (ja) | 2010-03-25 |
AU2009280606A1 (en) | 2010-02-18 |
CA2734292C (en) | 2012-06-19 |
KR20110003586A (ko) | 2011-01-12 |
RU2011109198A (ru) | 2012-09-20 |
US20110149578A1 (en) | 2011-06-23 |
EP2315264A1 (en) | 2011-04-27 |
JP2010067939A (ja) | 2010-03-25 |
EP2315264A4 (en) | 2012-04-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4338768B1 (ja) | 発光装置 | |
US7935978B2 (en) | Light emitting device and method for manufacturing the same | |
JP5273486B2 (ja) | 照明装置 | |
JP3979424B2 (ja) | 発光装置 | |
JP6401435B2 (ja) | 発光パッケージ | |
US9420642B2 (en) | Light emitting apparatus and lighting apparatus | |
JP4678391B2 (ja) | 照明装置 | |
TWI523273B (zh) | 具有對比面之發光二極體封裝體 | |
JP4808550B2 (ja) | 発光ダイオード光源装置、照明装置、表示装置及び交通信号機 | |
WO2010123052A1 (ja) | 発光装置 | |
JP2014158024A (ja) | 発光素子パッケージ及びその製造方法 | |
JP4604819B2 (ja) | 発光装置 | |
JP4792531B2 (ja) | 発光装置 | |
US20190103522A1 (en) | Lighting apparatus and light emitting apparatus | |
US8461609B2 (en) | Light emitting device package | |
JP5484544B2 (ja) | 発光装置 | |
JP2007035882A (ja) | Led照明装置 | |
US11894499B2 (en) | Lens arrangements for light-emitting diode packages | |
WO2010123051A1 (ja) | 発光装置 | |
JP4936169B2 (ja) | 発光装置 | |
JP2008294378A (ja) | 発光装置 | |
JP2007088085A (ja) | 発光装置 | |
JP2007088083A (ja) | 発光装置 | |
JP2015109391A (ja) | 発光装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200980131182.3 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 09806718 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 20107027899 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2009280606 Country of ref document: AU |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2009806718 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13058522 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2734292 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1027/CHENP/2011 Country of ref document: IN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2009280606 Country of ref document: AU Date of ref document: 20090811 Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011109198 Country of ref document: RU |