KR101827973B1 - 발광소자 - Google Patents
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- KR101827973B1 KR101827973B1 KR1020110089974A KR20110089974A KR101827973B1 KR 101827973 B1 KR101827973 B1 KR 101827973B1 KR 1020110089974 A KR1020110089974 A KR 1020110089974A KR 20110089974 A KR20110089974 A KR 20110089974A KR 101827973 B1 KR101827973 B1 KR 101827973B1
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- South Korea
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- semiconductor layer
- light emitting
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- emitting device
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- 239000004065 semiconductor Substances 0.000 claims abstract description 105
- 239000010410 layer Substances 0.000 claims description 205
- 239000000758 substrate Substances 0.000 claims description 22
- 230000000903 blocking effect Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- 229910002704 AlGaN Inorganic materials 0.000 claims description 6
- 239000002356 single layer Substances 0.000 claims description 4
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- 150000004767 nitrides Chemical class 0.000 description 7
- 239000010408 film Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
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- 229910052738 indium Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
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- -1 polyethylene terephthalate Polymers 0.000 description 2
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 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
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- XULSCZPZVQIMFM-IPZQJPLYSA-N odevixibat Chemical compound C12=CC(SC)=C(OCC(=O)N[C@@H](C(=O)N[C@@H](CC)C(O)=O)C=3C=CC(O)=CC=3)C=C2S(=O)(=O)NC(CCCC)(CCCC)CN1C1=CC=CC=C1 XULSCZPZVQIMFM-IPZQJPLYSA-N 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
- 230000035515 penetration Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
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- 229910052711 selenium Inorganic materials 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000007787 solid Substances 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
- 229910052714 tellurium Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 1
- IBEFSUTVZWZJEL-UHFFFAOYSA-N trimethylindium Chemical compound C[In](C)C IBEFSUTVZWZJEL-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 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
- H10H20/81—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
- H10H20/81—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
- H10H20/822—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
Landscapes
- Led Devices (AREA)
Abstract
Description
도 2 내지 도 8은 실시예에 따른 발광소자의 제조공정을 도시한 도면이고,
도 9는 실시예에 따른 발광소자 패키지의 일실시예를 도시한 도면이고,
도 10은 실시예에 따른 발광소자 패키지가 배치된 헤드램프의 일실시예를 나타낸 도면이고,
도 11은 실시예에 따른 발광소자 패키지가 배치된 표시장치의 일실시예를 나타낸 도면이다.
120: 버퍼층 130: 언도프트 반도체층
140a, 140b: 제1 도전형 반도체층
150: 격자 부정합층 160: 활성층
170: 전자 차단층 180: 제2 도전형 반도체층
182: 제1 전극 184: 제2 전극
210: 패키지 몸체 221, 222: 제1,2 리드 프레임
230: 와이어 240: 몰딩부
250: 형광체 710: 발광 모듈
720: 리플렉터 730: 쉐이드
800: 표시장치 810: 바텀 커버
820: 반사판 840: 도광판
850: 제1 프리즘시트 860: 제2 프리즘시트
870: 패널 880: 컬러필터
Claims (9)
- 기판;
상기 기판 상의 버퍼층;
상기 버퍼층 상에 배치되는 제1 도전형 반도체층, 활성층, 및 제2 도전형 반도체층을 포함하는 발광구조물;
상기 제1 도전형 반도체층 내에 배치되는 격자 부정합층;
상기 격자 부정합층과 상기 활성층 사이에 형성되는 제1 리세스;
상기 활성층과 상기 제2 도전형 반도체층 사이에 배치된 전자 차단층; 및
상기 활성층과 상기 전자 차단층 사이에 배치된 제2 리세스를 포함하고,
상기 활성층의 일부는 상기 제1 리세스에 배치되고,
상기 전자 차단층의 일부는 상기 제2 리세스에 배치되며,
상기 제1 리세스 및 상기 제2 리세스는 상기 활성층에 의해 서로 이격된 발광소자. - 제 1 항에 있어서,
상기 격자 부정합층은 AlInGaN을 포함하는 단일층 또는 AlInGaN층과 GaN층을 포함하는 복수층인 발광소자. - 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,
상기 제1 도전형 반도체층과 상기 격자 부정합층의 격자상수가 다른 발광소자. - 제 1 항에 있어서,
상기 전자 차단층은 플랫 면과 상기 제2 리세스와 대응되는 형상을 포함하는 발광소자. - 제 7 항에 있어서,
상기 전자 차단층은 AlGaN을 포함하고 상기 제2 도전형 반도체층의 일부는 상기 제2 리세스를 향하여 돌출되는 돌출부를 포함하는 발광소자. - 제 1 항에 있어서,
상기 제1 리세스 및 상기 제2 리세스는 V-피트(pit) 형상, 역 다각형뿔 형상 또는 역 피라미드 형상을 갖는 발광소자.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020110089974A KR101827973B1 (ko) | 2011-09-06 | 2011-09-06 | 발광소자 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110089974A KR101827973B1 (ko) | 2011-09-06 | 2011-09-06 | 발광소자 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20130026670A KR20130026670A (ko) | 2013-03-14 |
KR101827973B1 true KR101827973B1 (ko) | 2018-02-13 |
Family
ID=48177845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020110089974A Expired - Fee Related KR101827973B1 (ko) | 2011-09-06 | 2011-09-06 | 발광소자 |
Country Status (1)
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KR (1) | KR101827973B1 (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014115599A1 (de) * | 2013-10-28 | 2015-04-30 | Seoul Viosys Co., Ltd. | Halbleitervorrichtung und Verfahren zu deren Herstellung |
KR102075987B1 (ko) | 2014-02-04 | 2020-02-12 | 삼성전자주식회사 | 질화물 반도체 발광소자 |
JP6457784B2 (ja) * | 2014-11-07 | 2019-01-23 | スタンレー電気株式会社 | 半導体発光素子 |
JP6433248B2 (ja) * | 2014-11-07 | 2018-12-05 | スタンレー電気株式会社 | 半導体発光素子 |
JP6433246B2 (ja) * | 2014-11-07 | 2018-12-05 | スタンレー電気株式会社 | 半導体発光素子 |
US20250204093A1 (en) * | 2023-12-19 | 2025-06-19 | Seoul Viosys Co., Ltd. | Light emitting device and module having the same |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002368269A (ja) * | 2001-06-12 | 2002-12-20 | Pioneer Electronic Corp | 窒化物半導体素子及びその製造方法 |
JP2007150076A (ja) * | 2005-11-29 | 2007-06-14 | Rohm Co Ltd | 窒化物半導体発光素子 |
-
2011
- 2011-09-06 KR KR1020110089974A patent/KR101827973B1/ko not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002368269A (ja) * | 2001-06-12 | 2002-12-20 | Pioneer Electronic Corp | 窒化物半導体素子及びその製造方法 |
JP2007150076A (ja) * | 2005-11-29 | 2007-06-14 | Rohm Co Ltd | 窒化物半導体発光素子 |
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KR20130026670A (ko) | 2013-03-14 |
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