JPWO2017110031A1 - 発光素子および照明装置 - Google Patents
発光素子および照明装置 Download PDFInfo
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- JPWO2017110031A1 JPWO2017110031A1 JP2017557682A JP2017557682A JPWO2017110031A1 JP WO2017110031 A1 JPWO2017110031 A1 JP WO2017110031A1 JP 2017557682 A JP2017557682 A JP 2017557682A JP 2017557682 A JP2017557682 A JP 2017557682A JP WO2017110031 A1 JPWO2017110031 A1 JP WO2017110031A1
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 135
- 239000000758 substrate Substances 0.000 claims abstract description 76
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- 239000010410 layer Substances 0.000 claims description 238
- 230000005284 excitation Effects 0.000 claims description 14
- 238000009792 diffusion process Methods 0.000 claims description 12
- 230000003746 surface roughness Effects 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims description 5
- 150000004706 metal oxides Chemical class 0.000 claims description 5
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 32
- 230000004048 modification Effects 0.000 description 37
- 238000012986 modification Methods 0.000 description 37
- 239000000463 material Substances 0.000 description 14
- 239000007769 metal material Substances 0.000 description 12
- 229910000679 solder Inorganic materials 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 6
- 238000005286 illumination Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
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- 150000001875 compounds Chemical class 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- -1 ITO Chemical class 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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Classifications
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- 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
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/12—Combinations of only three kinds of elements
- F21V13/14—Combinations of only three kinds of elements the elements being filters or photoluminescent elements, reflectors and refractors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
- F21V9/32—Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0284—Diffusing elements; Afocal elements characterized by the use used in reflection
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0808—Mirrors having a single reflecting layer
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
- H05B33/145—Arrangements of the electroluminescent material
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/22—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
- H05B33/24—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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/26—Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
Abstract
Description
まず、実施の形態に係る照明装置について説明する。
以下、発光素子4について詳細に説明する。
次に、照明装置1の動作について説明する。
以上のように、本実施の形態によれば、照明装置1は、発光素子4と、発光素子4の蛍光体粒子451を励起するための励起光を照射する光源部2とを備えている。そして、発光素子4は、少なくとも一種類の蛍光体粒子451を含む蛍光体層45と、蛍光体層45よりも熱伝導率が高く、蛍光体層45が1つの主面411側に配置された基板41と、蛍光体層45と基板41との間に介在して蛍光体層45と基板41とを金属接合するための接合部42とを備えている。接合部42と蛍光体層45との間には、蛍光体層45における基板41側の主面452に積層された透光性の密着層44と、密着層44における基板41側の主面441に積層された反射層43とが介在している。
次に、本実施の形態に係る変形例1について説明する。
次に、本実施の形態に係る変形例2について説明する。
次に、本実施の形態に係る変形例3について説明する。
次に、本実施の形態に係る変形例4について説明する。
次に、本実施の形態に係る変形例5について説明する。
次に、本実施の形態に係る変形例6について説明する。
以上、本発明に係る照明装置について、上記実施の形態および変形例1〜6に基づいて説明したが、本発明は、上記の実施の形態および変形例1〜6に限定されるものではない。
2 光源部
4,4A,4B,4C 発光素子
5 貫通孔
41 基板
42,42b 接合部
43 反射層
44 密着層
45,45a 蛍光体層
46 拡散層
411,441 主面
421 第1電極層
422 第2電極層
423 金属接合層
451 蛍光体粒子(蛍光体)
452,452e 主面
453e 表面
Claims (10)
- 少なくとも一種類の蛍光体を含む蛍光体層と、
前記蛍光体層よりも熱伝導率の高い基板であって、前記蛍光体層が1つの主面側に配置された基板と、
前記蛍光体層と前記基板との間に介在して前記蛍光体層と前記基板とを金属接合するための接合部とを備え、
前記接合部と前記蛍光体層との間には、
前記蛍光体層における前記基板側の主面に積層された透光性の密着層と、
前記密着層における前記基板側の主面に積層された反射層と、が介在している
発光素子。 - 前記接合部は、
前記基板における前記主面に積層された第1電極層と、
前記反射層における前記基板側の主面に積層された第2電極層と、
前記第1電極層と前記第2電極層との間に介在され、前記第1電極層と前記第2電極層とを接合する金属接合層と、を有する
請求項1に記載の発光素子。 - 前記接合部は、焼結された銀ナノ粒子からなる
請求項1に記載の発光素子。 - 前記蛍光体は、前記蛍光体層における前記基板側に配置されている
請求項1〜3のいずれか一項に記載の発光素子。 - 前記密着層は、金属酸化物から形成されている
請求項1〜4のいずれか一項に記載の発光素子。 - 前記基板と、前記接合部と、前記反射層と、前記密着層とには、前記基板の前記主面に交差する方向に連続する貫通孔が形成されており、
前記貫通孔は、前記蛍光体を励起させるため、前記基板側から入射する励起光の光路となる
請求項1〜5のいずれか一項に記載の発光素子。 - 前記蛍光体層と前記反射層との間には、光を拡散する拡散層が介在している
請求項1〜6のいずれか一項に記載の発光素子。 - 前記蛍光体層における前記基板とは反対側の表面のうち、前記蛍光体を励起させるための励起光が照射される領域は、当該励起光の波長以上の表面粗さを有する
請求項1〜7のいずれか一項に記載の発光素子。 - 前記蛍光体層における前記基板側の前記主面のうち、前記蛍光体を励起させるための励起光が照射される領域は、当該励起光の波長以上の表面粗さを有する
請求項1〜7のいずれか一項に記載の発光素子。 - 請求項1〜9のいずれか一項に記載の発光素子と、
前記発光素子の前記蛍光体を励起するための励起光を照射する光源部と、を備える
照明装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015251803 | 2015-12-24 | ||
JP2015251803 | 2015-12-24 | ||
PCT/JP2016/004853 WO2017110031A1 (ja) | 2015-12-24 | 2016-11-10 | 発光素子および照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017110031A1 true JPWO2017110031A1 (ja) | 2018-06-21 |
JP6493713B2 JP6493713B2 (ja) | 2019-04-03 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017557682A Active JP6493713B2 (ja) | 2015-12-24 | 2016-11-10 | 発光素子および照明装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20200271282A1 (ja) |
EP (1) | EP3396232B1 (ja) |
JP (1) | JP6493713B2 (ja) |
WO (1) | WO2017110031A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017101729A1 (de) * | 2017-01-30 | 2018-08-02 | Osram Opto Semiconductors Gmbh | Strahlungsemittierende Vorrichtung |
JP2019028096A (ja) * | 2017-07-25 | 2019-02-21 | 日本電気硝子株式会社 | 波長変換部材 |
CN111699420B (zh) | 2018-02-14 | 2023-01-13 | 日本特殊陶业株式会社 | 光波长转换装置 |
DE112018007862T5 (de) * | 2018-08-28 | 2021-04-22 | Ngk Insulators, Ltd. | Leuchtstoffelement und Beleuchtungsvorrichtung |
WO2020083717A1 (en) * | 2018-10-22 | 2020-04-30 | Lumileds Holding B.V. | A method of manufacturing a light converting device |
US20230038009A1 (en) * | 2020-03-18 | 2023-02-09 | Sharp Kabushiki Kaisha | Wavelength conversion element and optical device |
CN113970872A (zh) * | 2020-07-24 | 2022-01-25 | 中强光电股份有限公司 | 波长转换元件及投影机 |
JP7535780B2 (ja) | 2020-09-18 | 2024-08-19 | 株式会社オキサイド | 発光デバイスおよび光源デバイス |
CN114967302A (zh) * | 2021-02-22 | 2022-08-30 | 中强光电股份有限公司 | 波长转换模块及投影机 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012026206A1 (ja) * | 2010-08-26 | 2012-03-01 | 日本電気硝子株式会社 | 波長変換素子、光源及び液晶用バックライトユニット |
JP2012243624A (ja) * | 2011-05-20 | 2012-12-10 | Stanley Electric Co Ltd | 光源装置および照明装置 |
JP2014116081A (ja) * | 2012-12-06 | 2014-06-26 | Stanley Electric Co Ltd | 発光装置及び車両用灯具 |
WO2014123145A1 (ja) * | 2013-02-08 | 2014-08-14 | ウシオ電機株式会社 | 蛍光光源装置 |
WO2014174618A1 (ja) * | 2013-04-24 | 2014-10-30 | 日立マクセル株式会社 | 光源装置および車両用灯具 |
JP2015087423A (ja) * | 2013-10-28 | 2015-05-07 | セイコーエプソン株式会社 | 発光素子、照明装置およびプロジェクター |
Family Cites Families (2)
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JP2012243701A (ja) * | 2011-05-24 | 2012-12-10 | Stanley Electric Co Ltd | 光源装置および照明装置 |
JP6722909B2 (ja) * | 2016-08-30 | 2020-07-15 | パナソニックIpマネジメント株式会社 | 色変換素子及び照明装置 |
-
2016
- 2016-11-10 EP EP16877936.1A patent/EP3396232B1/en active Active
- 2016-11-10 US US16/063,765 patent/US20200271282A1/en not_active Abandoned
- 2016-11-10 JP JP2017557682A patent/JP6493713B2/ja active Active
- 2016-11-10 WO PCT/JP2016/004853 patent/WO2017110031A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012026206A1 (ja) * | 2010-08-26 | 2012-03-01 | 日本電気硝子株式会社 | 波長変換素子、光源及び液晶用バックライトユニット |
JP2012243624A (ja) * | 2011-05-20 | 2012-12-10 | Stanley Electric Co Ltd | 光源装置および照明装置 |
JP2014116081A (ja) * | 2012-12-06 | 2014-06-26 | Stanley Electric Co Ltd | 発光装置及び車両用灯具 |
WO2014123145A1 (ja) * | 2013-02-08 | 2014-08-14 | ウシオ電機株式会社 | 蛍光光源装置 |
WO2014174618A1 (ja) * | 2013-04-24 | 2014-10-30 | 日立マクセル株式会社 | 光源装置および車両用灯具 |
JP2015087423A (ja) * | 2013-10-28 | 2015-05-07 | セイコーエプソン株式会社 | 発光素子、照明装置およびプロジェクター |
Also Published As
Publication number | Publication date |
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EP3396232B1 (en) | 2020-06-17 |
JP6493713B2 (ja) | 2019-04-03 |
EP3396232A1 (en) | 2018-10-31 |
US20200271282A1 (en) | 2020-08-27 |
EP3396232A4 (en) | 2018-12-26 |
WO2017110031A1 (ja) | 2017-06-29 |
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