KR101692508B1 - 발광 소자 - Google Patents
발광 소자 Download PDFInfo
- Publication number
- KR101692508B1 KR101692508B1 KR1020100101423A KR20100101423A KR101692508B1 KR 101692508 B1 KR101692508 B1 KR 101692508B1 KR 1020100101423 A KR1020100101423 A KR 1020100101423A KR 20100101423 A KR20100101423 A KR 20100101423A KR 101692508 B1 KR101692508 B1 KR 101692508B1
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- KR
- South Korea
- Prior art keywords
- layer
- light emitting
- electrode
- emitting device
- passivation
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- 239000010410 layer Substances 0.000 claims abstract description 352
- 239000004065 semiconductor Substances 0.000 claims abstract description 65
- 239000011241 protective layer Substances 0.000 claims abstract description 49
- 238000002161 passivation Methods 0.000 claims description 77
- 238000000034 method Methods 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 description 17
- 239000002184 metal Substances 0.000 description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 9
- 238000005530 etching Methods 0.000 description 9
- 238000002955 isolation Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000010931 gold Substances 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 5
- 239000002019 doping agent Substances 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 229910002704 AlGaN Inorganic materials 0.000 description 4
- 229910002601 GaN Inorganic materials 0.000 description 4
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 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 3
- 238000001312 dry etching Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 3
- 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 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- SKRWFPLZQAAQSU-UHFFFAOYSA-N stibanylidynetin;hydrate Chemical compound O.[Sn].[Sb] SKRWFPLZQAAQSU-UHFFFAOYSA-N 0.000 description 3
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 2
- 229910005540 GaP Inorganic materials 0.000 description 2
- 229910019897 RuOx Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper 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
- 238000000151 deposition Methods 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 238000002248 hydride vapour-phase epitaxy Methods 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
- 230000003287 optical effect Effects 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 239000011135 tin Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 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
- 229910000577 Silicon-germanium Inorganic materials 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
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 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
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000012536 packaging technology Methods 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
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000002096 quantum dot Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 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
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/84—Coatings, e.g. passivation layers or antireflective coatings
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/018—Bonding of wafers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/816—Bodies having carrier transport control structures, e.g. highly-doped semiconductor layers or current-blocking structures
- H10H20/8162—Current-blocking structures
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
- H10H20/82—Roughened surfaces, e.g. at the interface between epitaxial layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/83—Electrodes
- H10H20/832—Electrodes characterised by their material
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/83—Electrodes
- H10H20/832—Electrodes characterised by their material
- H10H20/835—Reflective materials
Landscapes
- Led Devices (AREA)
Abstract
Description
도 2는 제2 실시예에 따른 발광 소자를 나타낸다.
도 3은 제3 실시예에 따른 발광 소자를 나타낸다.
도 4 내지 도 8은 제1 실시예에 따른 발광 소자의 제조 방법을 나타낸다.
도 9 내지 도 11은 제2 실시예에 따른 발광 소자의 제조 방법을 나타낸다.
도 12는 실시예에 따른 발광 소자 패키지를 나타낸다.
도 13은 실시예에 따른 발광소자를 포함하는 조명 장치를 나타낸다.
115: 접합층 120: 제2 전극층
122: 반사층 124: 오믹층
130,230: 제1 보호층 140: 발광 구조물
142: 제1 도전형 반도체층 144: 활성층
146: 제2 도전형 반도체층 150,150-1: 제2 보호층
160: 러프니스 패턴 170: 제1 전극.
Claims (7)
- 지지층;
상기 지지층 상에 형성되는 제2 전극층;
상기 제2 전극층 둘레의 상기 지지층 상에 형성되는 제1 보호층; 및
상기 제2 전극층과 상기 제1 보호층 상에 형성되고, 제2 도전형 반도체층, 활성층, 및 제1 도전형 반도체층을 포함하는 발광 구조물; 및
상기 제2 도전형 반도체층의 측면, 상기 활성층의 측면, 상기 제1 도전형 반도체층의 측면, 및 상기 제1 보호층 상에 형성되는 제2 보호층을 포함하며,
상기 제1 보호층은 내부에 복수의 관통 홈들을 가지며,
상기 지지층은 상기 복수의 관통 홈들 내에 형성되는 요철 패턴을 가지며,
상기 제2 보호층은 상기 요철 패턴 상에 배치되며, 상기 요철 패턴은 상기 제2 보호층으로부터 노출되지 않는 발광 소자. - 제1항에 있어서, 상기 지지층은,
지지 기판; 및
상기 지지 기판 상에 형성되고, 상기 제2 전극층의 하부면, 및 상기 제1 보호층의 하부면과 접촉하는 접합층을 포함하는 발광 소자. - 제1항에 있어서,
상기 제1 도전형 반도체층 상에 형성되는 제1 전극을 더 포함하는 발광 소자. - 제1항에 있어서,
상기 제2 보호층은 상기 제2 도전형 반도체층의 측면, 상기 활성층의 측면, 상기 제1 도전형 반도체층의 측면, 상기 제1 보호층의 상면, 및 상기 제1 도전형 반도체층의 상면에 배치되는 발광 소자. - 제1항에 있어서,
상기 제1 보호층의 일 측면은 상기 제2 전극층과 접촉하고, 상기 제1 보호층의 타 측면과 하부면은 상기 지지층에 접촉하는 발광 소자. - 제2항에 있어서,
상기 접합층은 상기 요철 패턴을 갖는 발광 소자. - 제1항에 있어서,
상기 지지층은 상기 관통 홈들을 통하여 상기 제2 보호층과 접촉하는 발광 소자.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020100101423A KR101692508B1 (ko) | 2010-10-18 | 2010-10-18 | 발광 소자 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020100101423A KR101692508B1 (ko) | 2010-10-18 | 2010-10-18 | 발광 소자 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20120039953A KR20120039953A (ko) | 2012-04-26 |
KR101692508B1 true KR101692508B1 (ko) | 2017-01-03 |
Family
ID=46140058
Family Applications (1)
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KR1020100101423A Expired - Fee Related KR101692508B1 (ko) | 2010-10-18 | 2010-10-18 | 발광 소자 |
Country Status (1)
Country | Link |
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KR (1) | KR101692508B1 (ko) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60329576D1 (de) * | 2002-01-28 | 2009-11-19 | Nichia Corp | Nitrid-halbleiterbauelement mit einem trägersubstrat und verfahren zu seiner herstellung |
KR100987986B1 (ko) * | 2008-07-09 | 2010-10-18 | 서울옵토디바이스주식회사 | 발광 소자 및 그 제조방법 |
KR100986963B1 (ko) * | 2008-07-08 | 2010-10-11 | 서울옵토디바이스주식회사 | 발광 소자 및 그 제조방법 |
KR101007092B1 (ko) * | 2008-10-27 | 2011-01-10 | 엘지이노텍 주식회사 | 반도체 발광소자 및 그 제조방법 |
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2010
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KR20120039953A (ko) | 2012-04-26 |
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