JP2013102162A - 発光素子 - Google Patents
発光素子 Download PDFInfo
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- JP2013102162A JP2013102162A JP2012245060A JP2012245060A JP2013102162A JP 2013102162 A JP2013102162 A JP 2013102162A JP 2012245060 A JP2012245060 A JP 2012245060A JP 2012245060 A JP2012245060 A JP 2012245060A JP 2013102162 A JP2013102162 A JP 2013102162A
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- 239000004065 semiconductor Substances 0.000 claims abstract description 108
- 239000000463 material Substances 0.000 claims description 17
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 14
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 claims description 10
- JAONJTDQXUSBGG-UHFFFAOYSA-N dialuminum;dizinc;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Zn+2].[Zn+2] JAONJTDQXUSBGG-UHFFFAOYSA-N 0.000 claims description 8
- SKRWFPLZQAAQSU-UHFFFAOYSA-N stibanylidynetin;hydrate Chemical compound O.[Sn].[Sb] SKRWFPLZQAAQSU-UHFFFAOYSA-N 0.000 claims description 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 7
- 239000011787 zinc oxide Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 4
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052733 gallium Inorganic materials 0.000 claims description 4
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 4
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 claims description 3
- QYHNIMDZIYANJH-UHFFFAOYSA-N diindium Chemical compound [In]#[In] QYHNIMDZIYANJH-UHFFFAOYSA-N 0.000 claims description 3
- 229910001195 gallium oxide Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000605 extraction Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 314
- 239000000758 substrate Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 21
- 238000004519 manufacturing process Methods 0.000 description 20
- 230000008569 process Effects 0.000 description 10
- 239000011241 protective layer Substances 0.000 description 10
- 238000005530 etching Methods 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000002019 doping agent Substances 0.000 description 7
- 238000002955 isolation Methods 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 6
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910002704 AlGaN Inorganic materials 0.000 description 2
- 229910002601 GaN Inorganic materials 0.000 description 2
- 229910005540 GaP Inorganic materials 0.000 description 2
- 229910019897 RuOx Inorganic materials 0.000 description 2
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- YZZNJYQZJKSEER-UHFFFAOYSA-N gallium tin Chemical compound [Ga].[Sn] YZZNJYQZJKSEER-UHFFFAOYSA-N 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- VRIVJOXICYMTAG-IYEMJOQQSA-L iron(ii) gluconate Chemical compound [Fe+2].OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O VRIVJOXICYMTAG-IYEMJOQQSA-L 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 229910001887 tin oxide Inorganic materials 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 1
- 206010019332 Heat exhaustion Diseases 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- DZLPZFLXRVRDAE-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[Al+3].[Zn++].[In+3] Chemical compound [O--].[O--].[O--].[O--].[Al+3].[Zn++].[In+3] DZLPZFLXRVRDAE-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy 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
- 229910052788 barium Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
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
- H01L33/382—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 the electrode extending partially in or entirely through 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
- H01L33/36—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
-
- 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
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
- H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
- Led Device Packages (AREA)
Abstract
【解決手段】発光素子200は、第1の導電型半導体層236、活性層234及び第2の導電型半導体層232を含む発光構造物と、第1の電極層210と、発光構造物と第1の電極層との間に配置された第2の電極層220と、第2の導電型半導体層の下側で第2の電極層の縁部を取り囲み、第2の電極層と第1の電極層との間に配置された絶縁層240とを含み、第2の電極層は、第2の導電型半導体層と接し、互いに所定間隔だけ離隔するように配置された複数の第1の反射層222を有し、第1の電極層は、第2の電極層、第2の導電型半導体層及び活性層を貫通して第1の導電型半導体層に接する。
【選択図】図1
Description
201 支持基板
210 第1の電極層
220 第2の電極層
230 発光構造物
240 絶縁層
270 保護層
290 電極パッド
Claims (20)
- 第1の導電型半導体層、活性層及び第2の導電型半導体層を含む発光構造物;
第1の電極層;
前記発光構造物と前記第1の電極層との間に配置された第2の電極層;及び
前記第2の導電型半導体層の下側で前記第2の電極層の縁部を取り囲み、前記第2の電極層と前記第1の電極層との間に配置された絶縁層;を含み、
前記第1の電極層は、前記第2の電極層、前記第2の導電型半導体層及び前記活性層を貫通して前記第1の導電型半導体層に接し、
前記第2の電極層は、前記第2の導電型半導体層と接し、互いに所定間隔だけ離隔して配置された複数の第1の反射層を有する発光素子。 - 前記第1の反射層は無指向性反射層である、請求項1に記載の発光素子。
- 前記第1の反射層は前記絶縁層と同一の物質で形成される、請求項1又は2に記載の発光素子。
- 前記第1の反射層はSiO2、SiOx、SiOxNy、Si3N4、Al2O3を含む、請求項1〜3のいずれか1項に記載の発光素子。
- 前記無指向性反射層の屈折率は前記第2の導電型半導体層の屈折率より小さい、請求項2〜4のいずれか1項に記載の発光素子。
- 前記無指向性反射層は真空、空気、水、SiO2又はSi3N4を含む、請求項2〜5のいずれか1項に記載の発光素子。
- 前記第2の電極層は、前記第2の導電型半導体層と前記絶縁層との間に配置された伝導性透明層を含み、
前記無指向性反射層は前記伝導性透明層の間に配置された、請求項2〜6のいずれか1項に記載の発光素子。 - 前記伝導性透明層はパターンを有する、請求項7に記載の発光素子。
- 前記第2の電極層は、前記無指向性反射層の下部に配置された第2の反射層をさらに含む、請求項2〜8のいずれか1項に記載の発光素子。
- 前記伝導性透明層は前記第2の導電型半導体層と接する、請求項7〜9のいずれか1項に記載の発光素子。
- 前記第2の反射層は前記伝導性透明層の下部に配置された、請求項9又は10に記載の発光素子。
- 前記無指向性反射層と前記伝導性透明層は、前記第2の反射層の上部の同一平面上に配置された、請求項9〜11のいずれか1項に記載の発光素子。
- 前記伝導性透明層の開放された一側領域の上部に配置された電極パッドをさらに含む、請求項7〜12のいずれか1項に記載の発光素子。
- 第1の導電型半導体層、活性層及び第2の導電型半導体層を含む発光構造物;
第1の電極層;
前記発光構造物と前記第1の電極層との間に配置され、前記第2の導電型半導体層と接する第2の電極層;及び
前記第2の導電型半導体層の下側で前記第2の電極層の縁部を取り囲み、前記第2の電極層と前記第1の電極層との間に配置された絶縁層;を含み、
前記第1の電極層は、前記第2の電極層、前記第2の導電型半導体層及び前記活性層を貫通して前記第1の導電型半導体層に接する発光素子。 - 前記第2の電極層は、前記第2の導電型半導体層と前記絶縁層との間に配置された伝導性透明層を含む、請求項14に記載の発光素子。
- 前記第2の電極層は、前記伝導性透明層と前記絶縁層との間に配置された第1の反射層をさらに含む、請求項15に記載の発光素子。
- 前記第2の電極層は前記第2の導電型半導体層とオーミック接触する物質を含む、請求項1〜16のいずれか1項に記載の発光素子。
- 前記伝導性透明層は、ITO(indium tin oxide)、IZO(indium zinc oxide)、IZTO(indium zinc tin oxide)、IAZO(indium aluminum zinc oxide)、IGZO(indium gallium zinc oxide)、IGTO(indium gallium tin oxide)、AZO(aluminum zinc oxide)、ATO(antimony tin oxide)又はGZO(gallium zinc oxide)のうち少なくとも一つを含む、請求項7〜13及び請求項15〜17のいずれか1項に記載の発光素子。
- 前記伝導性透明層の強度は前記第2の導電型半導体層の強度と同一である、請求項7〜13及び請求項15〜18のいずれか1項に記載の発光素子。
- 前記伝導性透明層の強度は前記絶縁層の強度と同一である、請求項7〜13及び請求項15〜19のいずれか1項に記載の発光素子。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2011-0115196 | 2011-11-07 | ||
KR1020110115196A KR101868537B1 (ko) | 2011-11-07 | 2011-11-07 | 발광소자 및 이를 포함하는 발광 소자 패키지 |
Publications (3)
Publication Number | Publication Date |
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JP2013102162A true JP2013102162A (ja) | 2013-05-23 |
JP2013102162A5 JP2013102162A5 (ja) | 2015-12-24 |
JP6104568B2 JP6104568B2 (ja) | 2017-03-29 |
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JP2012245060A Active JP6104568B2 (ja) | 2011-11-07 | 2012-11-07 | 発光素子 |
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US (1) | US8969897B2 (ja) |
EP (1) | EP2590235B1 (ja) |
JP (1) | JP6104568B2 (ja) |
KR (1) | KR101868537B1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101549138B1 (ko) * | 2013-09-27 | 2015-09-03 | 한국광기술원 | 발광 다이오드 |
JP2016082229A (ja) * | 2014-10-17 | 2016-05-16 | エルジー イノテック カンパニー リミテッド | 発光素子、発光素子パッケージ、及びパッケージを含む照明装置 |
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EP2111641B1 (en) | 2007-01-22 | 2017-08-30 | Cree, Inc. | Illumination devices using externally interconnected arrays of light emitting devices, and method of fabricating same |
TWI488331B (zh) * | 2011-03-23 | 2015-06-11 | Epistar Corp | 發光二極體陣列 |
DE102011016302A1 (de) * | 2011-04-07 | 2012-10-11 | Osram Opto Semiconductors Gmbh | Optoelektronischer Halbleiterchip |
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US8969897B2 (en) | 2015-03-03 |
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US20130113007A1 (en) | 2013-05-09 |
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