WO2010098313A1 - 発光装置 - Google Patents
発光装置 Download PDFInfo
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- WO2010098313A1 WO2010098313A1 PCT/JP2010/052749 JP2010052749W WO2010098313A1 WO 2010098313 A1 WO2010098313 A1 WO 2010098313A1 JP 2010052749 W JP2010052749 W JP 2010052749W WO 2010098313 A1 WO2010098313 A1 WO 2010098313A1
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- nitride semiconductor
- semiconductor layer
- type nitride
- conductive film
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- 150000004767 nitrides Chemical class 0.000 claims abstract description 181
- 239000004065 semiconductor Substances 0.000 claims abstract description 128
- 239000000758 substrate Substances 0.000 claims abstract description 59
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 description 308
- 239000000463 material Substances 0.000 description 31
- 238000000605 extraction Methods 0.000 description 20
- 229910004298 SiO 2 Inorganic materials 0.000 description 16
- 238000000034 method Methods 0.000 description 16
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 9
- 229910002704 AlGaN Inorganic materials 0.000 description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910010413 TiO 2 Inorganic materials 0.000 description 5
- 239000002356 single layer Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 230000008033 biological extinction Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- 229920002050 silicone resin Polymers 0.000 description 3
- -1 Si 3 N 4 Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 238000002109 crystal growth method Methods 0.000 description 2
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 2
- 238000001451 molecular beam epitaxy Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910002601 GaN Inorganic materials 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
- H01L33/36—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 electrodes
- H01L33/38—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 electrodes with a particular shape
- H01L33/387—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 electrodes with a particular shape with a plurality of electrode regions in direct contact with the semiconductor body and being electrically interconnected by another electrode layer
-
- 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
- H01L33/02—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 bodies
- H01L33/10—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 bodies with a light reflecting structure, e.g. semiconductor Bragg reflector
-
- 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
- H01L33/02—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 bodies
- H01L33/20—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 bodies with a particular shape, e.g. curved or truncated substrate
- H01L33/22—Roughened surfaces, e.g. at the interface between epitaxial layers
-
- 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
- H01L33/02—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 bodies
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
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- 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
- H01L33/36—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 electrodes
- H01L33/40—Materials therefor
- H01L33/405—Reflective materials
-
- 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
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- 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
- H01L33/44—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 coatings, e.g. passivation layer or anti-reflective coating
-
- 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
- H01L33/647—Heat extraction or cooling elements the elements conducting electric current to or from the semiconductor body
Definitions
- the thermal conductivity of the color conversion member will be improved compared to the case of using a silicone resin.
- the temperature rise of the phosphor can be further suppressed, the luminous flux can be improved, and the gas barrier property and moisture permeation resistance against water vapor and NO x can be improved, and the moisture absorption deterioration of the phosphor can be suppressed. Durability is improved.
- a yellow phosphor is adopted as a phosphor to be mixed with a light-transmitting material used as the material of the color conversion member.
- the phosphor is not limited to the yellow phosphor, and for example, a red phosphor and a green phosphor are mixed. Even white light can be obtained.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
- Led Device Packages (AREA)
Abstract
Description
本実施形態の発光装置は、図1(a)に示すように、LEDチップAと、当該LEDチップAが実装された実装基板20とを備えている。なお、図1(a)の上下方向は、LEDチップ及びLEDチップの各要素の厚み方向である。
本実施形態の発光装置の基本構成は実施形態1と略同じであり、図2に示すように、LEDチップAにおいて、透明導電膜9と反射導電膜11との間で、透明導電膜9上に部分的に積層されp形窒化物半導体層4よりも屈折率が小さな低屈折率誘電体層10が複数ではなく単数となっている点が相違するだけである。ここにおいて、本実施形態における低屈折率誘電体層10は、少なくとも各バンプ37それぞれに対応する各部位に各バンプ37の投影領域よりも開口サイズの大きな円形状の開口部が形成されている。言い換えると、低屈折率誘電体層10は、バンプ37の厚み方向に垂直な断面のサイズよりも開口サイズの大きな円形状の開口部が形成されている。なお、実施形態1と同様の構成要素には同一の符号を付して説明を省略する。
Claims (3)
- LEDチップと実装基板とを有する発光装置であって、
前記LEDチップは、n形窒化物半導体層と、窒化物発光層と、p形窒化物半導体層と、アノード電極と、カソード電極とを有しており、
前記n形窒化物半導体層は、第1面を有しており、
前記窒化物発光層は、前記n形窒化物半導体層の前記第1面上に設けられており、
前記p形窒化物半導体層は、前記窒化物発光層上に設けられており、
前記アノード電極は、前記p形窒化物半導体層から見て、前記窒化物発光層と反対側に位置しており、
前記カソード電極は、前記n形窒化物半導体層の前記第1面上に設けられており、
前記実装基板は、前記LEDチップを実装しており、
前記実装基板は、導体パターンを有しており、前記導体パターンは、前記カソード電極及び前記アノード電極と、バンプを介して接合されており、
前記LEDチップは、誘電体層を有しており、前記誘電体層は、前記p形窒化物半導体層が有する屈折率よりも小さい屈折率を有しており、少なくとも1つ以上の島状に形成されており、且つ、前記p形窒化物半導体層と前記アノード電極との間に位置しており、
前記p形窒化物半導体層は、前記バンプと重複する第1領域を有しており、
前記誘電体層は、前記第1領域と重複していないことを特徴とする発光装置。 - 前記LEDチップは、さらに、透明導電膜と、反射導電膜とを有しており、
前記透明導電膜は、前記p形窒化物半導体層と前記アノード電極との間に配置されており、且つ、前記p形窒化物半導体層が有する屈折率よりも小さい屈折率を有しており、
前記反射導電膜は、前記透明導電膜と前記アノード電極との間に配置されており、
前記誘電体層は、前記透明導電膜の上に部分的に配置されるように、少なくとも1つ以上の島状に形成されており、且つ、前記透明導電膜と前記反射導電膜との間に位置していることを特徴とする請求項1に記載の発光装置。 - 前記第1領域は、前記p形窒化物半導体層の厚み方向に垂直な面であり、前記面は、円形状であり、
前記第1領域は、前記p形窒化物半導体層の厚み方向において、前記バンプと重複することを特徴とする請求項1または2に記載の発光装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080009000.8A CN102326270B (zh) | 2009-02-24 | 2010-02-23 | 发光器件 |
US13/201,853 US9018656B2 (en) | 2009-02-24 | 2010-02-23 | Light emitting device |
KR1020117021549A KR101259969B1 (ko) | 2009-02-24 | 2010-02-23 | 발광 장치 |
EP10746194.9A EP2403025A4 (en) | 2009-02-24 | 2010-02-23 | LIGHT-EMITTING DEVICE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009-041491 | 2009-02-24 | ||
JP2009041491A JP5237854B2 (ja) | 2009-02-24 | 2009-02-24 | 発光装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010098313A1 true WO2010098313A1 (ja) | 2010-09-02 |
Family
ID=42665520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/052749 WO2010098313A1 (ja) | 2009-02-24 | 2010-02-23 | 発光装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9018656B2 (ja) |
EP (1) | EP2403025A4 (ja) |
JP (1) | JP5237854B2 (ja) |
KR (1) | KR101259969B1 (ja) |
CN (1) | CN102326270B (ja) |
WO (1) | WO2010098313A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019501533A (ja) * | 2016-01-07 | 2019-01-17 | エルジー イノテック カンパニー リミテッド | 発光素子 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5659728B2 (ja) * | 2010-11-22 | 2015-01-28 | パナソニックIpマネジメント株式会社 | 発光素子 |
TW201228019A (en) * | 2010-12-17 | 2012-07-01 | Chi Mei Lighting Tech Corp | Light emitting diode structure and method for manufacturing the same |
US20140138731A1 (en) * | 2011-07-15 | 2014-05-22 | Panasonic Corporation | Semiconductor light emitting element |
FR2988910B1 (fr) * | 2012-03-28 | 2014-12-26 | Commissariat Energie Atomique | Composant led a faible rth avec chemins electrique et thermique dissocies |
EP2980862B1 (en) * | 2013-03-29 | 2019-05-15 | Asahi Kasei Kabushiki Kaisha | Manufacturing method for semiconductor light-emitting element, and semiconductor light-emitting element |
CN103311261B (zh) * | 2013-05-24 | 2016-02-17 | 安徽三安光电有限公司 | 集成led发光器件及其制作方法 |
CN105264678B (zh) * | 2013-06-04 | 2019-06-21 | 克利公司 | 发光二极管介质镜 |
CN105518887B (zh) | 2013-09-05 | 2018-01-02 | 松下知识产权经营株式会社 | 发光装置 |
JP5712368B2 (ja) * | 2013-09-05 | 2015-05-07 | パナソニックIpマネジメント株式会社 | 発光装置 |
KR102319734B1 (ko) * | 2014-10-23 | 2021-11-01 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 발광 소자 및 이를 포함하는 발광 소자 패키지 |
DE102016101612A1 (de) | 2016-01-29 | 2017-08-03 | Osram Opto Semiconductors Gmbh | Optoelektronischer Halbleiterchip und Verfahren zur Herstellung eines optoelektronischen Halbleiterchips |
DE102019126026A1 (de) * | 2019-09-26 | 2021-04-01 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Strahlungsemittierender halbleiterchip |
KR20220031364A (ko) * | 2020-09-04 | 2022-03-11 | 삼성전자주식회사 | 마이크로 발광 소자 디스플레이 장치 및 그 제조 방법 |
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2009
- 2009-02-24 JP JP2009041491A patent/JP5237854B2/ja not_active Expired - Fee Related
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2010
- 2010-02-23 US US13/201,853 patent/US9018656B2/en active Active
- 2010-02-23 CN CN201080009000.8A patent/CN102326270B/zh active Active
- 2010-02-23 WO PCT/JP2010/052749 patent/WO2010098313A1/ja active Application Filing
- 2010-02-23 KR KR1020117021549A patent/KR101259969B1/ko active IP Right Grant
- 2010-02-23 EP EP10746194.9A patent/EP2403025A4/en not_active Withdrawn
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Non-Patent Citations (1)
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Cited By (1)
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---|---|---|---|---|
JP2019501533A (ja) * | 2016-01-07 | 2019-01-17 | エルジー イノテック カンパニー リミテッド | 発光素子 |
Also Published As
Publication number | Publication date |
---|---|
KR20110118819A (ko) | 2011-11-01 |
US9018656B2 (en) | 2015-04-28 |
JP5237854B2 (ja) | 2013-07-17 |
US20110297989A1 (en) | 2011-12-08 |
EP2403025A4 (en) | 2013-12-04 |
KR101259969B1 (ko) | 2013-05-02 |
CN102326270B (zh) | 2014-01-22 |
CN102326270A (zh) | 2012-01-18 |
EP2403025A1 (en) | 2012-01-04 |
JP2010199247A (ja) | 2010-09-09 |
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