JP2011166150A - 発光素子 - Google Patents
発光素子 Download PDFInfo
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- JP2011166150A JP2011166150A JP2011026737A JP2011026737A JP2011166150A JP 2011166150 A JP2011166150 A JP 2011166150A JP 2011026737 A JP2011026737 A JP 2011026737A JP 2011026737 A JP2011026737 A JP 2011026737A JP 2011166150 A JP2011166150 A JP 2011166150A
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- 239000004065 semiconductor Substances 0.000 claims abstract description 222
- 229910052751 metal Inorganic materials 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 23
- 238000009792 diffusion process Methods 0.000 claims description 19
- 239000002019 doping agent Substances 0.000 claims description 18
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 8
- 239000011810 insulating material Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 550
- 239000000758 substrate Substances 0.000 description 58
- 239000000463 material Substances 0.000 description 38
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 34
- 238000000034 method Methods 0.000 description 26
- 229910052738 indium Inorganic materials 0.000 description 24
- 229910052759 nickel Inorganic materials 0.000 description 23
- 150000001875 compounds Chemical class 0.000 description 20
- 230000004888 barrier function Effects 0.000 description 19
- 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 18
- 239000011787 zinc oxide Substances 0.000 description 17
- 229910052733 gallium Inorganic materials 0.000 description 16
- 229910052737 gold Inorganic materials 0.000 description 16
- 229910052710 silicon Inorganic materials 0.000 description 15
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 13
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 13
- 229910019897 RuOx Inorganic materials 0.000 description 12
- 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 12
- 230000003287 optical effect Effects 0.000 description 12
- 229910052802 copper Inorganic materials 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 150000004767 nitrides Chemical class 0.000 description 11
- SKRWFPLZQAAQSU-UHFFFAOYSA-N stibanylidynetin;hydrate Chemical compound O.[Sn].[Sb] SKRWFPLZQAAQSU-UHFFFAOYSA-N 0.000 description 11
- 229910052697 platinum Inorganic materials 0.000 description 10
- 239000002356 single layer Substances 0.000 description 10
- 229910052719 titanium Inorganic materials 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 9
- 229910002704 AlGaN Inorganic materials 0.000 description 8
- 229910052804 chromium Inorganic materials 0.000 description 8
- 229910052763 palladium Inorganic materials 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 229910052709 silver Inorganic materials 0.000 description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 6
- 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 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 238000005530 etching Methods 0.000 description 6
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 6
- HRHKULZDDYWVBE-UHFFFAOYSA-N indium;oxozinc;tin Chemical compound [In].[Sn].[Zn]=O HRHKULZDDYWVBE-UHFFFAOYSA-N 0.000 description 6
- 229910001887 tin oxide Inorganic materials 0.000 description 6
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- YZZNJYQZJKSEER-UHFFFAOYSA-N gallium tin Chemical compound [Ga].[Sn] YZZNJYQZJKSEER-UHFFFAOYSA-N 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 229910052718 tin Inorganic materials 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 5
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 description 4
- 229910005540 GaP Inorganic materials 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000004417 polycarbonate Substances 0.000 description 4
- 239000002096 quantum dot Substances 0.000 description 4
- 229910052594 sapphire Inorganic materials 0.000 description 4
- 239000010980 sapphire Substances 0.000 description 4
- 238000003892 spreading Methods 0.000 description 4
- 230000007480 spreading Effects 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 238000007740 vapor deposition Methods 0.000 description 4
- 229910001316 Ag alloy Inorganic materials 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 229910017518 Cu Zn Inorganic materials 0.000 description 3
- 229910017752 Cu-Zn Inorganic materials 0.000 description 3
- 229910017943 Cu—Zn Inorganic materials 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 229910052797 bismuth Inorganic materials 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 239000011162 core material Substances 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052741 iridium Inorganic materials 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 229910052703 rhodium Inorganic materials 0.000 description 3
- 229910052707 ruthenium Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000001039 wet etching Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- 229910021476 group 6 element Inorganic materials 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000011112 polyethylene naphthalate Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910017944 Ag—Cu Inorganic materials 0.000 description 1
- 229910018134 Al-Mg Inorganic materials 0.000 description 1
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910018137 Al-Zn Inorganic materials 0.000 description 1
- 229910018459 Al—Ge Inorganic materials 0.000 description 1
- 229910018467 Al—Mg Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- 229910018573 Al—Zn Inorganic materials 0.000 description 1
- 229910002708 Au–Cu Inorganic materials 0.000 description 1
- 229910017401 Au—Ge Inorganic materials 0.000 description 1
- 229910017398 Au—Ni Inorganic materials 0.000 description 1
- 229910015367 Au—Sb Inorganic materials 0.000 description 1
- 229910015365 Au—Si Inorganic materials 0.000 description 1
- 229910017758 Cu-Si Inorganic materials 0.000 description 1
- 229910017888 Cu—P Inorganic materials 0.000 description 1
- 229910017932 Cu—Sb Inorganic materials 0.000 description 1
- 229910017931 Cu—Si Inorganic materials 0.000 description 1
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 1
- 241000408495 Iton Species 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 229910018104 Ni-P Inorganic materials 0.000 description 1
- 229910018536 Ni—P Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910018594 Si-Cu Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910008465 Si—Cu Inorganic materials 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- XXLJGBGJDROPKW-UHFFFAOYSA-N antimony;oxotin Chemical compound [Sb].[Sn]=O XXLJGBGJDROPKW-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 238000012966 insertion method Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000002061 nanopillar Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- BSWGGJHLVUUXTL-UHFFFAOYSA-N silver zinc Chemical compound [Zn].[Ag] BSWGGJHLVUUXTL-UHFFFAOYSA-N 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/02—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
-
- 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 with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
- H01L33/483—Containers
- H01L33/486—Containers adapted for surface mounting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
Abstract
【解決手段】本発明に従う発光素子は、第1導電型半導体層、第1導電型半導体層の下に活性層、及び活性層の下に第2導電型半導体層を含む発光構造層と、第2導電型半導体層の下に伝導層と、伝導層の下に接合層と、接合層の下に支持部材と、第1導電型半導体層に連結された接触電極と、支持部材の第1領域に配置され、接触電極と第1リード電極とを連結する第1電極と、支持部材の第2領域に配置され、伝導層及び接合層のうちの少なくとも1つに連結された第2電極と、支持部材の下に配置され、第1電極に連結された第1リード電極と、支持部材の下に配置され、第2電極に連結された第2リード電極と、接触電極と発光構造層との間に配置された第1絶縁層と、を含む。
【選択図】図1
Description
発光ダイオード(Light Emitting Diode:LED)は、化合物半導体の特性を用いて電気を赤外線または光に変換させて信号を受け渡すか、光源に使われる半導体素子の一種である。
本発明に従う発光素子または発光素子パッケージは、照明システムに適用できる。上記照明システムは、複数の発光素子または発光素子パッケージがアレイされた構造を含み、照明灯、信号灯、車両前照灯、電光板などが含まれることができる。
ール1060から放出された光を面光源したり、拡散、集光などを遂行するようになる。
Claims (20)
- 第1導電型半導体層、前記第1導電型半導体層の下に活性層、及び前記活性層の下に第2導電型半導体層を含む発光構造層と、
前記第2導電型半導体層の下に伝導層と、
前記伝導層の下に接合層と、
前記接合層の下に支持部材と、
前記第1導電型半導体層に連結された接触電極と、
前記支持部材の第1領域に配置され、前記接触電極と前記第1リード電極とを連結する第1電極と、
前記支持部材の第2領域に配置され、前記伝導層及び前記接合層のうち、少なくとも1つに連結された第2電極と、
前記支持部材の下に配置され、前記第1電極に連結された第1リード電極と、
前記支持部材の下に配置され、前記第2電極に連結された第2リード電極と、
前記接触電極と前記発光構造層との間に配置された第1絶縁層と、
を含むことを特徴とする、発光素子。 - 前記第1電極及び前記第2電極は、前記支持部材の互いに異なる側面に配置されることを特徴とする、請求項1に記載の発光素子。
- 前記支持部材は絶縁性材質を含み、
前記第1電極と前記第2電極は、前記支持部材を通過し、前記発光構造層の幅より広い間隔を有す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電極及び前記第2電極のうちの少なくとも1つは、前記支持部材の内に前記支持部材の厚さより厚い高さで配置されることを特徴とする、請求項1に記載の発光素子。
- 前記接合層の側面と前記第1電極との間に第2絶縁層と、前記発光構造層と前記接合層との間の周りに配置された内側部及び前記発光構造層の側面より外側に配置された外側部を含む第2絶縁層と、を含むことを特徴とする、請求項4に記載の発光素子。
- 前記接合層は、前記伝導層の下に第1接合層、及び前記第1接合層と前記支持部材との間に第2接合層を含み、
前記第2電極は、前記支持部材及び前記接合層の厚さより高い高さを有することを特徴とする、請求項4に記載の発光素子。 - 前記伝導層は、前記第2導電型半導体層の下にオーミック接触された第1伝導層、及び前記第1伝導層の下に反射金属を含む第2伝導層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電極及び前記接触電極のうちの少なくとも1つは、前記発光構造層の領域と垂直方向にオーバーラップされるように配置され、
前記接触電極は前記第1導電型半導体層のGa−faceまたはN−faceに接触されることを特徴とする、請求項1に記載の発光素子。 - 前記第1導電型半導体層の上面はN−faceであり、前記接触電極の一部は前記第1導電型半導体層の上面に接触されることを特徴とする、請求項1に記載の発光素子。
- 前記第2導電型半導体層の下に接触され、前記接触電極の周りに配置される電流ブロッキング層を含むことを特徴とする、請求項8に記載の発光素子。
- 前記接触電極の一部は前記第1導電型半導体層の上面の一部に接触され、
前記第2電極と前記接触電極の一部との間の間隔は前記発光構造層の幅より少なくとも広い間隔を有することを特徴とする、請求項1に記載の発光素子。 - 前記第1導電型半導体層と前記接触電極の一部との間に配置された電流拡散層を含むことを特徴とする、請求項1に記載の発光素子。
- 第1導電型半導体層、前記第1導電型半導体層の下に活性層、及び前記活性層の下に第2導電型半導体層を含む発光構造層と、
前記第2導電型半導体層の下に伝導層と、
前記伝導層の下に接合層と、
前記接合層の下に支持部材と、
前記支持部材の内部の第1領域に配置され、前記接合層に連結された第2電極と、
前記支持部材の内部の第2領域に配置され、前記伝導層に連結された第1電極と、
前記接合層から前記第1導電型半導体層の内部に延びる接触電極と、
前記接触電極、前記第1電極、及び前記第2電極の少なくとも一側に配置された絶縁層と、
前記支持部材の下に配置され、前記第1電極に連結された第1リード電極と、
前記支持部材の下に配置され、前記第2電極に連結された第2リード電極と、
を含むことを特徴とする、発光素子。 - 前記第1導電型半導体層は第1半導体層及び第2半導体層を含み、前記第1半導体層のドーパント濃度は前記第2半導体層のドーパント濃度より高いドーパント濃度を有することを特徴とする、請求項13に記載の発光素子。
- 前記支持部材は絶縁材質であり、前記接触電極は複数個であることを特徴とする、請求項13に記載の発光素子。
- 前記第1電極及び前記第2電極は、前記発光構造層の領域と垂直方向にオーバーラップされない領域に配置されることを特徴とする、請求項13に記載の発光素子。
- 前記絶縁層は前記接触電極の周りに配置された第1絶縁層と、前記第2電極と前記接合層との間に配置された第2絶縁層と、前記伝導層と前記接合層との間に配置された第3絶縁層と、を含むことを特徴とする、請求項13に記載の発光素子。
- 前記第1導電型半導体層の上面は光抽出構造を含むことを特徴とする、請求項13に記載の発光素子。
- 前記第1導電型半導体層の上に前記支持部材の厚さより薄い蛍光体層を含むことを特徴とする、請求項13に記載の発光素子。
- 胴体と、
前記胴体の上に第1及び第2リードフレームと、
前記第1及び第2リードフレームのうち、少なくとも1つの上に配置された発光素子と、
前記発光素子をモールディングするモールディング部材と、を含み、
前記発光素子は、
第1導電型半導体層、前記第1導電型半導体層の下に活性層、及び前記活性層の下に第2導電型半導体層を含む発光構造層と、
前記第2導電型半導体層の下に伝導層と、
前記伝導層の下に接合層と、
前記接合層の下に支持部材と、
前記第1導電型半導体層に連結された接触電極と、
前記支持部材の第1領域に配置され、前記接触電極と前記第1リード電極とを連結する第1電極と、
前記支持部材の第2領域に配置され、前記伝導層及び前記接合層のうち、少なくとも1つに連結された第2電極と、
前記支持部材の下に配置され、前記第1電極と前記第1リードフレームに連結された第1リード電極と、
前記支持部材の下に配置され、前記第2電極と前記第2リードフレームに連結された第2リード電極と、
前記接触電極と前記発光構造層との間に配置された第1絶縁層と、
を含むことを特徴とする、発光素子。
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JP2014068025A (ja) | 2014-04-17 |
JP5414711B2 (ja) | 2014-02-12 |
TW201133942A (en) | 2011-10-01 |
EP2360748A2 (en) | 2011-08-24 |
EP2360748B1 (en) | 2019-05-22 |
US20110193123A1 (en) | 2011-08-11 |
KR100986560B1 (ko) | 2010-10-07 |
TWI420705B (zh) | 2013-12-21 |
JP5864514B2 (ja) | 2016-02-17 |
US8039860B2 (en) | 2011-10-18 |
CN102157658A (zh) | 2011-08-17 |
EP2360748A3 (en) | 2014-06-04 |
CN102157658B (zh) | 2015-04-22 |
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