KR100676286B1 - ZnO층을 갖는 수직형 발광다이오드 및 그 제조방법 - Google Patents
ZnO층을 갖는 수직형 발광다이오드 및 그 제조방법 Download PDFInfo
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- KR100676286B1 KR100676286B1 KR1020060015082A KR20060015082A KR100676286B1 KR 100676286 B1 KR100676286 B1 KR 100676286B1 KR 1020060015082 A KR1020060015082 A KR 1020060015082A KR 20060015082 A KR20060015082 A KR 20060015082A KR 100676286 B1 KR100676286 B1 KR 100676286B1
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Abstract
Description
Claims (10)
- (a) 예비기판 상에 N형 반도체층, 활성층 그리고 P형 반도체층을 성장시키는 단계와;(b) 반도체층 성장용 기판으로 사용된 상기 예비기판을 제거하는 단계와;(c) 상기 P형 반도체층 상에는 도전성 반사층을 형성하고 상기 N형 반도체층 상에는 ZnO층을 형성하는 단계를 포함하는 수직형 발광다이오드 제조방법.
- 청구항 1에 있어서, 상기 (c) 단계에서 형성된 ZnO층은 양측에 경사면이 형성된 피라미드 단면으로 형성됨을 특징으로 하는 수직형 발광다이오드 제조방법.
- 청구항 1에 있어서, 상기 (c) 단계에서 형성된 ZnO층은 광 방출방향으로 볼록한 돔형상 단면으로 형성됨을 특징으로 하는 수직형 발광다이오드 제조방법.
- 청구항 1에 있어서, 상기 (c) 단계에서 형성된 ZnO층은 광 방출방향으로 볼록한 복수의 돔형상 단면으로 형성됨을 특징으로 하는 수직형 발광다이오드 제조방법.
- 청구항 1 내지 청구항 4 중 어느 한 항에 있어서, 상기 (c) 단계에서 형성된 ZnO층의 광 방출면에는 내부 전반사를 줄이는 거친면(rough surface)이 형성됨을 특징으로 하는 수직형 발광다이오드 제조방법.
- 예비기판이 제거된 채 P형 반도체층, N형 반도체층 및 그 사이의 활성층을 갖는 반도체층들과;상기 P형 반도체층 저면에 형성되는 도전성 반사층과;상기 N형 반도체층 상에 형성되어 상기 반도체층으로부터 광 방출 특성을 향상시키는 ZnO층을;포함하는 수직형 발광다이오드.
- 청구항 6에 있어서, 상기 ZnO층은 양측에 경사면이 형성된 피라미드 단면으로 형성됨을 특징으로 하는 수직형 발광다이오드.
- 청구항 6에 있어서, 상기 ZnO층은 광 방출방향으로 볼록한 돔형상 단면으로 형성됨을 특징으로 하는 수직형 발광다이오드.
- 청구항 6에 있어서, 상기 ZnO층은 광 방출방향으로 볼록한 복수의 돔형상 단면으로 형성됨을 특징으로 하는 수직형 발광다이오드.
- 청구항 6 내지 청구항 9 중 어느 한 항에 있어서, 상기 ZnO층의 광 방출면에는 내부 전반사를 줄이기 위한 거친면(rough surface)이 형성됨을 특징으로 하는 수직형 발광다이오드.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102046982B1 (ko) | 2018-06-19 | 2019-11-20 | 한국과학기술원 | 초박막 투명 플렉서블 수직형 마이크로 발광 다이오드 및 그 제조방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07307490A (ja) * | 1994-05-10 | 1995-11-21 | Daido Steel Co Ltd | 半導体光電素子に対するZnO膜形成方法 |
JPH0964484A (ja) * | 1995-06-13 | 1997-03-07 | Matsushita Electric Ind Co Ltd | 垂直共振器型発光素子及びその製造方法 |
KR20040104232A (ko) * | 2003-06-03 | 2004-12-10 | 삼성전기주식회사 | 수직구조 질화갈륨계 발광다이오드의 제조방법 |
KR20060014106A (ko) * | 2004-08-10 | 2006-02-15 | 삼성전기주식회사 | 질화 갈륨계 반도체 발광소자 및 그 제조 방법 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07307490A (ja) * | 1994-05-10 | 1995-11-21 | Daido Steel Co Ltd | 半導体光電素子に対するZnO膜形成方法 |
JPH0964484A (ja) * | 1995-06-13 | 1997-03-07 | Matsushita Electric Ind Co Ltd | 垂直共振器型発光素子及びその製造方法 |
KR20040104232A (ko) * | 2003-06-03 | 2004-12-10 | 삼성전기주식회사 | 수직구조 질화갈륨계 발광다이오드의 제조방법 |
KR20060014106A (ko) * | 2004-08-10 | 2006-02-15 | 삼성전기주식회사 | 질화 갈륨계 반도체 발광소자 및 그 제조 방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102046982B1 (ko) | 2018-06-19 | 2019-11-20 | 한국과학기술원 | 초박막 투명 플렉서블 수직형 마이크로 발광 다이오드 및 그 제조방법 |
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