JP2011171741A - 発光素子、発光素子製造方法 - Google Patents
発光素子、発光素子製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 239000004065 semiconductor Substances 0.000 claims abstract description 105
- 239000002019 doping agent Substances 0.000 claims description 37
- 230000001681 protective effect Effects 0.000 claims description 35
- 239000000758 substrate Substances 0.000 claims description 34
- 229910052710 silicon Inorganic materials 0.000 claims description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 20
- 239000010703 silicon Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 18
- 238000005229 chemical vapour deposition Methods 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 230000015556 catabolic process Effects 0.000 claims description 6
- 239000002210 silicon-based material Substances 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 4
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 claims description 4
- 238000001451 molecular beam epitaxy Methods 0.000 claims description 3
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 195
- 239000004020 conductor Substances 0.000 description 34
- 239000012790 adhesive layer Substances 0.000 description 30
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 19
- 239000000463 material Substances 0.000 description 19
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 12
- 239000010931 gold Substances 0.000 description 11
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 229910052759 nickel Inorganic materials 0.000 description 10
- 239000011651 chromium Substances 0.000 description 9
- 239000010936 titanium Substances 0.000 description 9
- 229910052709 silver Inorganic materials 0.000 description 8
- 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 description 7
- 230000000903 blocking effect Effects 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- 229910052697 platinum Inorganic materials 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- -1 InGaN Inorganic materials 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 238000005530 etching Methods 0.000 description 5
- 238000005286 illumination Methods 0.000 description 5
- 229910052738 indium Inorganic materials 0.000 description 5
- 238000002161 passivation Methods 0.000 description 5
- 239000011787 zinc oxide Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 229910052733 gallium Inorganic materials 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- 229910002704 AlGaN Inorganic materials 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
- 229910052741 iridium Inorganic materials 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- SKRWFPLZQAAQSU-UHFFFAOYSA-N stibanylidynetin;hydrate Chemical compound O.[Sn].[Sb] SKRWFPLZQAAQSU-UHFFFAOYSA-N 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- 239000011135 tin Substances 0.000 description 3
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012777 electrically insulating material Substances 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000011112 polyethylene naphthalate Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- YZZNJYQZJKSEER-UHFFFAOYSA-N gallium tin Chemical compound [Ga].[Sn] YZZNJYQZJKSEER-UHFFFAOYSA-N 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- HRHKULZDDYWVBE-UHFFFAOYSA-N indium;oxozinc;tin Chemical compound [In].[Sn].[Zn]=O HRHKULZDDYWVBE-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000002096 quantum dot Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 239000002356 single layer 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
- 239000000057 synthetic resin Substances 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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
- H01L33/48—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
-
- 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
-
- 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
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
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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
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1203—Rectifying Diode
- H01L2924/12032—Schottky diode
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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
- H01L33/005—Processes
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0066—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound
- H01L33/007—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound comprising nitride compounds
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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
- H01L33/005—Processes
- H01L33/0093—Wafer bonding; Removal of the growth substrate
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- 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
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- H—ELECTRICITY
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- 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
- H01L33/385—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 at least partially onto a side surface of the semiconductor body
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- 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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Abstract
【解決手段】本発明に従う発光素子は、伝導性支持部材と、上記伝導性支持部材の上に第2導電型半導体層と、上記第2導電型半導体層の上に活性層と、上記活性層の上に第1導電型半導体層と、上記第1導電型半導体層の上に保護素子と、を含む。
【選択図】図1
Description
Claims (15)
- 伝導性支持部材と、
前記伝導性支持部材の上に第2導電型半導体層と、活性層と、第1導電型半導体層と, を含む発光構造物と、
前記 発光構造物の上に保護素子と、
を含むことを特徴とする、発光素子。 - 前記保護素子は、第1導電型ドーパントを含む胴体と、前記胴体の上部領域に形成されて第2導電型ドーパントを含むドーピング部と、前記ドーピング部の上に第2電極と、を含むことを特徴とする、請求項1に記載の発光素子。
- 前記第1導電型半導体層はn型半導体層を含み、前記第2導電型半導体層はp型半導体層を含み、
前記第1導電型ドーパントはp型ドーパントであり、前記第2導電型ドーパントはn型ドーパントであることを特徴とする、請求項2に記載の発光素子。 - 前記第1導電型半導体層の上に第1電極と、
前記胴体の上に第3電極と、
を含むことを特徴とする、請求項3に記載の発光素子。 - 前記第1導電型半導体層はn型半導体層を含み、前記第2導電型半導体層はp型半導体層を含み、
前記第1導電型ドーパントはn型ドーパントであり、前記第2導電型ドーパントはp型ドーパントであることを特徴とする、請求項2に記載の発光素子。 - 前記第1導電型半導体層の上に第1電極を含むことを特徴とする、請求項5に記載の発光素子。
- 前記胴体の上に第3電極をさらに含むことを特徴とする、請求項5に記載の発光素子。
- 前記伝導性支持部材と前記第2導電型半導体層との間に反射層及びオーミック接触層のうち、少なくとも1つを含むことを特徴とする、請求項1に記載の発光素子。
- 前記伝導性支持部材の上面の周り領域に保護部材を含み、前記第2導電型半導体層は前記伝導性支持部材及び前記保護部材の上に形成されたことを特徴とする、請求項1に記載の発光素子。
- 前記保護素子は、前記第1半導体層の上面の周り領域に形成されたことを特徴とする、請求項1に記載の発光素子。
- 前記保護素子は、シリコン材質を含むことを特徴とする、請求項1に記載の発光素子。
- 前記保護素子は、降伏電圧(Breakdown Voltage)が3V乃至100Vであるツェナダイオードであることを特徴とする、請求項1に記載の発光素子。
- シリコン基板の上に第1導電型半導体層、活性層、及び第2導電型半導体層を順次に積層して発光構造物を形成するステップと、
前記発光構造物の上に伝導性支持部材を形成するステップと、
前記シリコン基板を選択的に除去して保護素子の胴体を形成するステップと、
前記保護素子の胴体に第1導電型ドーパントを注入するステップと、
前記胴体の下部領域に第2導電型ドーパントを注入してドーピング部を形成するステップと、
前記胴体及び前記ドーピング部のうち、少なくとも1つに電極を形成するステップと、
を含むことを特徴とする、発光素子製造方法。 - 前記発光構造物は、前記シリコン基板の上に有機金属化学蒸着法(MOCVD:Metal Organic Chemical Vapor Deposition)、化学蒸着法(CVD:Chemical Vapor Deposition)、プラズマ化学蒸着法(PECVD:Plasma-Enhanced Chemical Vapor Deposition)、分子線成長法(MBE:Molecular Beam Epitaxy)、または水素化物気相成長法(HVPE:Hydride Vapor Phase Epitaxy)のうち、少なくとも1つの方法により形成されることを特徴とする、請求項13に記載の発光素子製造方法。
- 前記発光構造物を形成する以前に、前記シリコン基板の上にバッファ層を形成し、前記バッファ層の上に前記発光構造物を形成するステップを含むことを特徴とする、請求項13に記載の発光素子製造方法。
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KR20100014438A KR100999692B1 (ko) | 2010-02-18 | 2010-02-18 | 발광 소자, 발광 소자 제조방법 및 발광 소자 패키지 |
KR10-2010-0014438 | 2010-02-18 |
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EP (1) | EP2362419B1 (ja) |
JP (2) | JP5503572B2 (ja) |
KR (1) | KR100999692B1 (ja) |
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JP2013122978A (ja) * | 2011-12-09 | 2013-06-20 | Toshiba Corp | 半導体発光素子の製造方法 |
JP2013123032A (ja) * | 2012-08-21 | 2013-06-20 | Toshiba Corp | 半導体発光素子の製造方法 |
KR20150046917A (ko) * | 2013-10-23 | 2015-05-04 | 삼성전자주식회사 | 반도체 발광소자 패키지 및 이를 이용한 조명장치 |
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Also Published As
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US9287465B2 (en) | 2016-03-15 |
EP2362419B1 (en) | 2019-06-12 |
EP2362419A2 (en) | 2011-08-31 |
JP2014112731A (ja) | 2014-06-19 |
US20110198621A1 (en) | 2011-08-18 |
US8637885B2 (en) | 2014-01-28 |
TW201145617A (en) | 2011-12-16 |
EP2362419A3 (en) | 2015-12-30 |
CN102194847A (zh) | 2011-09-21 |
US20140124825A1 (en) | 2014-05-08 |
CN102194847B (zh) | 2014-07-23 |
CN104112757B (zh) | 2017-10-20 |
TWI460850B (zh) | 2014-11-11 |
KR100999692B1 (ko) | 2010-12-08 |
JP5503572B2 (ja) | 2014-05-28 |
JP5736479B2 (ja) | 2015-06-17 |
CN104112757A (zh) | 2014-10-22 |
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