KR100813756B1 - 발광 소자용 반도체 기판 및 반도체 발광 장치 - Google Patents
발광 소자용 반도체 기판 및 반도체 발광 장치 Download PDFInfo
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- KR100813756B1 KR100813756B1 KR1020050077134A KR20050077134A KR100813756B1 KR 100813756 B1 KR100813756 B1 KR 100813756B1 KR 1020050077134 A KR1020050077134 A KR 1020050077134A KR 20050077134 A KR20050077134 A KR 20050077134A KR 100813756 B1 KR100813756 B1 KR 100813756B1
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- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
Claims (20)
- {0001}면으로부터 <1-100> 방향을 향하는 오프 각도(off-angle)의 절대값이 0.12 도 이상 0.35 도 이하, 또한 {0001}면으로부터 <11-20> 방향을 향하는 오프 각도의 절대값이 0.00 도 이상 0.06 도 이하인 면방위의 GaN 기판과,상기 GaN 기판의 표면에 결정 성장하여 그 GaN 기판 상에 적층된 질화물계 III-V족 화합물 반도체 단결정층을 포함하는 것을 특징으로 하는 발광 소자용 반도체 기판.
- 제1항에 있어서,상기 단결정층과 상기 GaN 기판 사이에, 5 × 1017 cm-3 이상 2 × 1019 cm-3 이하의 농도로 불순물 원자들이 도핑된 도핑층을 더 포함하는 것을 특징으로 하는 발광 소자용 반도체 기판.
- 제2항에 있어서,상기 도핑층이 0.3 nm 이상 200 nm 이하의 두께를 갖는 것을 특징으로 하는 발광 소자용 반도체 기판.
- 제2항에 있어서,상기 GaN 기판은 n-형 GaN 기판이고, 상기 도핑층은 불순물 원자로서 n-형 불순물 원자를 포함하는 것을 특징으로 하는 발광 소자용 반도체 기판.
- 제1항에 있어서,{0001}면으로부터 <1-100> 방향을 향하는 상기 오프 각도의 절대값은 0.12 도 내지 0.30 도의 범위 내에 놓이는 것을 특징으로 하는 발광 소자용 반도체 기판.
- 제5항에 있어서,{0001}면으로부터 <1-100> 방향을 향하는 상기 오프 각도의 절대값은 0.14 도 내지 0.28 도의 범위 내에 놓이는 것을 특징으로 하는 발광 소자용 반도체 기판.
- {0001}면으로부터 <1-100> 방향을 향하는 오프 각도의 절대값이 0.12 도 이상 0.35 도 이하, 또한 {0001}면으로부터 <11-20> 방향을 향하는 오프 각도의 절대값이 0.00 도 이상 0.06 도 이하인 면방위의 GaN 기판과,상기 GaN 기판의 표면에 결정 성장하여 그 GaN 기판 상에 적층된 질화물계 III-V족 화합물 반도체 단결정층과,그 질화물계 III-V족 화합물 반도체 단결정층 상에 형성되며 질화물계 III-V족 화합물로 이루어지는 발광층을 포함하는 것을 특징으로 하는 반도체 발광 장치.
- 제7항에 있어서,상기 GaN 기판은 n-형 GaN 기판이고, 상기 단결정층은 n-형 질화물계 III-V족 화합물 반도체인 것을 특징으로 하는 반도체 발광 장치.
- 제8항에 있어서,상기 단결정층과 상기 발광층 사이에 삽입된 질화물계 III-V족 화합물 반도체로 형성된 n-형 클래드층(cladding layer); 및상기 발광층 상에 제공된 질화물계 III-V족 화합물 반도체로 형성된 p-형 클래드층을 더 포함하는 것을 특징으로 하는 반도체 발광 장치.
- 제9항에 있어서,상기 n-형 클래드층과 상기 발광층 사이에 삽입된 질화물계 III-V족 화합물 반도체로 형성된 n-형 도광층(light-guiding layer); 및상기 p-형 클래드층과 상기 발광층 사이에 삽입된 질화물계 III-V족 화합물 반도체로 형성된 p-형 도광층을 더 포함하는 것을 특징으로 하는 반도체 발광 장치.
- 제7항에 있어서,상기 단결정층과 상기 GaN 기판 사이에, 5 × 1017 cm-3 이상 2 × 1019 cm-3 이하의 농도로 불순물 원자들이 도핑된 도핑층을 더 포함하는 것을 특징으로 하는 반도체 발광 장치.
- 제11항에 있어서,상기 도핑층이 0.3 nm 이상 200 nm 이하의 두께를 갖는 것을 특징으로 하는 반도체 발광 장치.
- 제11항에 있어서,상기 GaN 기판은 n-형 GaN 기판이고, 상기 도핑층은 불순물 원자로서 n-형 불순물 원자를 포함하는 것을 특징으로 하는 반도체 발광 장치.
- 제7항에 있어서,{0001}면으로부터 <1-100> 방향을 향하는 상기 오프 각도의 절대값은 0.12 도 내지 0.30 도의 범위 내에 놓이는 것을 특징으로 하는 반도체 발광 장치.
- 제14항에 있어서,{0001}면으로부터 <1-100> 방향을 향하는 상기 오프 각도의 절대값은 0.14 도 내지 0.28 도의 범위 내에 놓이는 것을 특징으로 하는 반도체 발광 장치.
- {0001}면으로부터 <1-100> 방향을 향하는 오프 각도의 절대값이 0.12 도 이상 0.35 도 이하, 또한 {0001}면으로부터 <11-20> 방향을 향하는 오프 각도의 절대값이 0.00 도 이상 0.06 도 이하인 면방위의 GaN 기판과,상기 GaN 기판 상의 표면에 에피텍셜 성장된 질화물계 III-V족 화합물 반도체로 이루어지는 소자 구조부를 포함하는 것을 특징으로 하는 반도체 발광 장치.
- 제16항에 있어서,상기 소자 구조부는 발광층을 포함하는 것을 특징으로 하는 반도체 발광 장치.
- 제16항에 있어서,상기 GaN 기판은 n-형 GaN 기판이고,상기 소자 구조부는,상기 n-형 GaN 기판 상에 제공된 질화물계 III-V족 화합물 반도체로 형성된 n-형 드리프트층(drift layer);상기 n-형 드리프트층 상에 제공된 질화물계 III-V족 화합물 반도체로 형성된 p-형 베이스층; 및상기 p-형 베이스층 상에 제공된 질화물계 III-V족 화합물 반도체로 형성된 n-형 에미터층을 포함하는 것을 특징으로 하는 반도체 발광 장치.
- 제18항에 있어서,상기 n-형 에미터층은 상기 p-형 베이스층보다 넓은 밴드갭(bandgap)을 갖는 것을 특징으로 하는 반도체 발광 장치.
- 제16항에 있어서,상기 소자 구조부는,상기 GaN 기판 상에 제공된 질화물계 III-V족 화합물 반도체로 형성된 제1 단결정층; 및상기 제1 단결정층 상에 제공된 질화물계 III-V족 화합물 반도체로 형성되고 상기 제1 단결정층보다 넓은 밴드갭을 갖는 제2 단결정층을 포함하는 것을 특징으로 하는 반도체 발광 장치.
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US20080113497A1 (en) | 2008-05-15 |
EP1630878B1 (en) | 2017-10-18 |
TW200620423A (en) | 2006-06-16 |
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EP1630878A3 (en) | 2011-05-04 |
TWI287256B (en) | 2007-09-21 |
JP5050123B2 (ja) | 2012-10-17 |
KR20060050558A (ko) | 2006-05-19 |
JP2012209561A (ja) | 2012-10-25 |
JP2011124589A (ja) | 2011-06-23 |
JP4892103B2 (ja) | 2012-03-07 |
US20060043419A1 (en) | 2006-03-02 |
EP1630878A2 (en) | 2006-03-01 |
US7339255B2 (en) | 2008-03-04 |
JP2012064956A (ja) | 2012-03-29 |
JP5100900B2 (ja) | 2012-12-19 |
JP2012114461A (ja) | 2012-06-14 |
US7531397B2 (en) | 2009-05-12 |
JP5514260B2 (ja) | 2014-06-04 |
CN100449800C (zh) | 2009-01-07 |
JP5717825B2 (ja) | 2015-05-13 |
JP2014027315A (ja) | 2014-02-06 |
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