KR100837846B1 - 레이저 에너지 흡수 초격자 층을 구비한 질화물 발광소자및 그의 제조방법 - Google Patents
레이저 에너지 흡수 초격자 층을 구비한 질화물 발광소자및 그의 제조방법 Download PDFInfo
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- KR100837846B1 KR100837846B1 KR1020060018789A KR20060018789A KR100837846B1 KR 100837846 B1 KR100837846 B1 KR 100837846B1 KR 1020060018789 A KR1020060018789 A KR 1020060018789A KR 20060018789 A KR20060018789 A KR 20060018789A KR 100837846 B1 KR100837846 B1 KR 100837846B1
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- light emitting
- emitting device
- nitride
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/0601—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium comprising an absorbing region
- H01S5/0602—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium comprising an absorbing region which is an umpumped part of the active layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/32—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
- H01S5/3206—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures ordering or disordering the natural superlattice in ternary or quaternary materials
- H01S5/3207—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures ordering or disordering the natural superlattice in ternary or quaternary materials ordered active layer
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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
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/013—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials
- H10H20/0133—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials with a substrate not being Group III-V materials
- H10H20/01335—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials with a substrate not being Group III-V materials the light-emitting regions comprising nitride materials
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims (10)
- 질화물계 발광소자에 있어서,레이저 리프트 오프시 흡수되지 않은 잔여 레이저를 흡수하는 레이저 에너지 흡수층을 포함하는 것을 특징으로 하는, 질화물계 발광소자.
- 제 1항에 있어서, 상기 레이저 에너지 흡수층 상부에는 도핑되지 않은 질화갈륨층이 더 포함되는 것을 특징으로 하는, 질화물계 발광소자.
- 제 1항 또는 제 2항에 있어서, 상기 레이저 에너지 흡수층은 InGaN층과 GaN층이 번갈아 적층되는 것을 특징으로 하는, 질화물계 발광소자.
- 제 1항 또는 제 2항에 있어서, 상기 레이저 에너지 흡수층은 InGaN층을 이용하는 것을 특징으로 하는, 질화물계 발광소자.
- 제 4항에 있어서, 상기 InGaN 층의 두께는 100~500Å 인 것을 특징으로 하는, 질화물계 발광소자.
- 제 2항에 있어서, 상기 도핑되지 않은 질화갈륨층의 두께는 0.1~1㎛인 것을 특징으로 하는, 질화물계 발광소자.
- 기판 상부에 저온 버퍼층, 도핑되지 않은 질화 갈륨층을 적층하는 단계;상기 질화갈륨층 상부에 레이저 리프트 오프시 흡수되지 않은 잔여 레이저를 흡수하는 레이저 에너지 흡수층을 적층하는 단계;상기 레이저 에너지 흡수층 상부에 도핑되지 않은 질화갈륨층을 적층하는 단계;제 1클래드층, 활성층, 제 2클래드층 및 금속반사막층을 순차적으로 적층하는 단계; 및제 2기판층을 적층하는 단계를 포함하는, 질화물계 발광소자 제작방법.
- 제 7항에 있어서, 상기 금속반사막층은 오믹 접합으로 접착하는 것을 특징으로 하는, 질화물계 발광소자 제작방법.
- 제 7항에 있어서, 상기 금속반사막층은 높은 반사율을 가지는 금속인 것을 특징으로 하는, 질화물계 발광소자 제작방법.
- 제 9항에 있어서, 상기 높은 반사율을 가지는 금속은 Ni, Au, Cr, Pt, Pd, W, Rh 중 선택되는 1종 이상의 금속인 것을 특징으로 하는, 질화물계 발광소자 제작방법.
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KR1020060018789A KR100837846B1 (ko) | 2006-02-27 | 2006-02-27 | 레이저 에너지 흡수 초격자 층을 구비한 질화물 발광소자및 그의 제조방법 |
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KR1020060018789A KR100837846B1 (ko) | 2006-02-27 | 2006-02-27 | 레이저 에너지 흡수 초격자 층을 구비한 질화물 발광소자및 그의 제조방법 |
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KR20070088920A KR20070088920A (ko) | 2007-08-30 |
KR100837846B1 true KR100837846B1 (ko) | 2008-06-13 |
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KR1020060018789A Expired - Fee Related KR100837846B1 (ko) | 2006-02-27 | 2006-02-27 | 레이저 에너지 흡수 초격자 층을 구비한 질화물 발광소자및 그의 제조방법 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105720141B (zh) * | 2016-03-11 | 2019-01-29 | 东莞市中镓半导体科技有限公司 | 一种无损伤的GaN衬底激光剥离方法 |
CN109755370A (zh) * | 2017-11-03 | 2019-05-14 | 展晶科技(深圳)有限公司 | 发光二极管微晶粒的制作方法 |
CN111293201B (zh) * | 2018-12-14 | 2022-04-26 | 广州国显科技有限公司 | 用于激光剥离的半导体结构以及半导体结构的制备方法 |
CN110808531B (zh) * | 2019-09-29 | 2021-04-02 | 武汉云岭光电有限公司 | 一种半导体激光器外延结构 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000101139A (ja) | 1998-09-25 | 2000-04-07 | Toshiba Corp | 半導体発光素子及びその製造方法並びに半導体発光装置 |
JP2001274096A (ja) | 2000-03-24 | 2001-10-05 | Sanyo Electric Co Ltd | 窒化物系半導体素子およびその製造方法 |
US6664560B2 (en) | 2001-06-15 | 2003-12-16 | Cree, Inc. | Ultraviolet light emitting diode |
KR20040016723A (ko) * | 2002-08-19 | 2004-02-25 | 엘지이노텍 주식회사 | 질화물 반도체 발광소자 및 그 제조방법 |
KR20050082251A (ko) * | 2004-02-18 | 2005-08-23 | 삼성전자주식회사 | 반도체 레이저 디바이스 |
KR20050097472A (ko) * | 2005-09-15 | 2005-10-07 | 오인모 | 대면적 및 대용량의 고휘도 질화물계 발광소자 |
KR20060122408A (ko) * | 2005-05-27 | 2006-11-30 | 엘지전자 주식회사 | 발광 다이오드의 제조 방법 |
-
2006
- 2006-02-27 KR KR1020060018789A patent/KR100837846B1/ko not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000101139A (ja) | 1998-09-25 | 2000-04-07 | Toshiba Corp | 半導体発光素子及びその製造方法並びに半導体発光装置 |
JP2001274096A (ja) | 2000-03-24 | 2001-10-05 | Sanyo Electric Co Ltd | 窒化物系半導体素子およびその製造方法 |
US6664560B2 (en) | 2001-06-15 | 2003-12-16 | Cree, Inc. | Ultraviolet light emitting diode |
KR20040016723A (ko) * | 2002-08-19 | 2004-02-25 | 엘지이노텍 주식회사 | 질화물 반도체 발광소자 및 그 제조방법 |
KR20050082251A (ko) * | 2004-02-18 | 2005-08-23 | 삼성전자주식회사 | 반도체 레이저 디바이스 |
KR20060122408A (ko) * | 2005-05-27 | 2006-11-30 | 엘지전자 주식회사 | 발광 다이오드의 제조 방법 |
KR20050097472A (ko) * | 2005-09-15 | 2005-10-07 | 오인모 | 대면적 및 대용량의 고휘도 질화물계 발광소자 |
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