KR101350923B1 - 반도체 발광 소자 및 그 제조 방법 - Google Patents
반도체 발광 소자 및 그 제조 방법 Download PDFInfo
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- KR101350923B1 KR101350923B1 KR1020120062401A KR20120062401A KR101350923B1 KR 101350923 B1 KR101350923 B1 KR 101350923B1 KR 1020120062401 A KR1020120062401 A KR 1020120062401A KR 20120062401 A KR20120062401 A KR 20120062401A KR 101350923 B1 KR101350923 B1 KR 101350923B1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 175
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 37
- 230000004048 modification Effects 0.000 claims abstract description 37
- 238000012986 modification Methods 0.000 claims abstract description 37
- 238000005468 ion implantation Methods 0.000 claims abstract description 25
- 229910002601 GaN Inorganic materials 0.000 claims description 48
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 48
- 238000004381 surface treatment Methods 0.000 claims description 15
- 230000009467 reduction Effects 0.000 claims description 13
- 150000002500 ions Chemical class 0.000 claims description 11
- 229910052718 tin Inorganic materials 0.000 claims description 9
- 229910052725 zinc Inorganic materials 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 229910052790 beryllium Inorganic materials 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 7
- 229910052732 germanium Inorganic materials 0.000 claims description 7
- 229910052787 antimony Inorganic materials 0.000 claims description 5
- 229910052785 arsenic Inorganic materials 0.000 claims description 5
- 229910052797 bismuth Inorganic materials 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910052734 helium Inorganic materials 0.000 claims description 5
- 229910052738 indium Inorganic materials 0.000 claims description 5
- 229910052745 lead Inorganic materials 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 229910052711 selenium Inorganic materials 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 229910052714 tellurium Inorganic materials 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 230000008569 process Effects 0.000 description 17
- 239000000758 substrate Substances 0.000 description 14
- 238000005530 etching Methods 0.000 description 9
- 239000012535 impurity Substances 0.000 description 8
- 239000011701 zinc Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 229910052749 magnesium Inorganic materials 0.000 description 5
- 229910002704 AlGaN Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003574 free electron Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000005516 deep trap Effects 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910003437 indium oxide Inorganic materials 0.000 description 2
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- -1 gallium nitride compound Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Classifications
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- 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
-
- 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
-
- 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
- H10H20/822—Materials of the light-emitting regions
- H10H20/824—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP
- H10H20/825—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP containing nitrogen, e.g. GaN
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Abstract
Description
도 2는 본 발명의 실시예에 따른 반도체 발광 소자를 나타낸 도면.
도 3a 내지 도 3d는 본 발명의 실시예에 따른 반도체 발광 소자의 제조 방법을 설명하기 위한 도면.
도 4는 본 발명의 실시예에 따른 반도체 발광 소자의 이온 주입을 통한 표면처리시 p형 반도체층과 n형 반도체층의 전기적 특성 및 절연 특성을 나타낸 그래프.
220: 활성층 230: p형 반도체층
230S: 질화갈륨계 반도체 적층 구조
240: p형 전극 241: 투명전극
242: 본딩전극 250: n형 전극
260: 표면개질층 261: 저항증가층
262: 저항감소층
Claims (10)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- n형 반도체층, 활성층 및 p형 반도체층의 적층으로 이루어진 질화갈륨계 반도체 적층 구조를 형성하는 단계;
상기 반도체 적층 구조의 p형 반도체층 및 상기 n형 반도체층과 각각 컨택하는 p형 전극 및 n형 전극을 형성하는 단계; 및
상기 질화갈륨계 반도체 적층 구조의 노출된 표면 상에 저항증가층 및 저항감소층으로 이루어진 표면개질층을 형성하는 단계;를 포함하고,
상기 저항증가층 및 저항감소층은 동시에 형성되는 것을 포함하는 것을 특징으로 하는 반도체 발광 소자 제조 방법.
- 제 6 항에 있어서,
상기 저항증가층은 상기 활성층 및 상기 p형 반도체층의 노출된 표면 상에 형성하고, 상기 저항감소층은 상기 n형 반도체층의 노출된 표면 상에 형성하는 반도체 발광 소자 제조 방법.
- 삭제
- 제 6 항에 있어서,
상기 표면개질층은 상기 질화갈륨계 반도체 적층 구조에 이온 주입 또는 플라즈마 도핑 방법을 표면 처리하여 형성하는 반도체 발광 소자 제조 방법.
- 제 9 항에 있어서,
상기 표면개질층은 Si, C, Ge, Sn, Pb, O, S, Se, Te, N, P, As, Sb, Bi, Zn, Ca, Ar, Be, Ti, H, He, Al, In 및 B 중에서 선택된 어느 하나를 포함하는 이온으로 표면처리하여 형성하는 반도체 발광 소자 제조 방법.
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KR1020120062401A KR101350923B1 (ko) | 2012-06-12 | 2012-06-12 | 반도체 발광 소자 및 그 제조 방법 |
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KR1020120062401A KR101350923B1 (ko) | 2012-06-12 | 2012-06-12 | 반도체 발광 소자 및 그 제조 방법 |
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KR20130138896A KR20130138896A (ko) | 2013-12-20 |
KR101350923B1 true KR101350923B1 (ko) | 2014-01-15 |
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KR1020120062401A Expired - Fee Related KR101350923B1 (ko) | 2012-06-12 | 2012-06-12 | 반도체 발광 소자 및 그 제조 방법 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9466765B1 (en) | 2015-05-27 | 2016-10-11 | Samsung Electronics Co., Ltd. | Method of manufacturing semiconductor light emitting device |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102434368B1 (ko) * | 2017-11-13 | 2022-08-19 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 반도체 소자 |
CN113270522A (zh) * | 2021-06-18 | 2021-08-17 | 京东方科技集团股份有限公司 | 一种微发光二极管芯片、其制作方法及显示装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20110138980A (ko) * | 2010-06-22 | 2011-12-28 | 순천대학교 산학협력단 | 발광다이오드 및 이의 제조방법 |
KR20120055958A (ko) * | 2010-11-24 | 2012-06-01 | 엘지이노텍 주식회사 | 발광소자 및 그 발광 소자의 제조 방법 |
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KR20110138980A (ko) * | 2010-06-22 | 2011-12-28 | 순천대학교 산학협력단 | 발광다이오드 및 이의 제조방법 |
KR20120055958A (ko) * | 2010-11-24 | 2012-06-01 | 엘지이노텍 주식회사 | 발광소자 및 그 발광 소자의 제조 방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US9466765B1 (en) | 2015-05-27 | 2016-10-11 | Samsung Electronics Co., Ltd. | Method of manufacturing semiconductor light emitting device |
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