KR20020021121A - 질화물 반도체 소자 - Google Patents
질화물 반도체 소자 Download PDFInfo
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Abstract
Description
Claims (29)
- n형 질화물 반도체층과 p형 질화물 반도체층의 사이에, 양자 우물층과 장벽층을 적층하여 이루어지고, n형 불순물을 포함하는 활성층을 갖는 질화물 반도체 소자에 있어서,상기 활성층의 적층중 적어도 상기 n형 질화물 반도체층에 접하는 측의 장벽층 및/또는 양자 우물층이 n형 불순물을 포함하는 층인 것을 특징으로 하는 질화물 반도체 소자.
- 제 1 항에 있어서,상기 활성층이 다중 양자 우물 구조로서, 상기 활성층의 적층 총수를 i 층으로 한 경우, 적층중인 하기식을 만족하는 n형 질화물 반도체층과 접하는 측으로부터 세어 j층까지의 어느 것인가에 n형 불순물이 포함되어 있는 질화물 반도체 소자.j= i / 6 + 2 (단 I ≥4, j는 소수점 이하를 잘라낸 정수)
- 제 1 항에 있어서,상기 활성층의 적층중 상기 p형 질화물 반도체층에 접하는 측의 장벽층 및 /또는 양자 우물층이 n형 불순물을 포함하지 않는 층인 질화물 반도체 소자.
- 제 3 항에 있어서,상기 활성층이 양자 우물층의 양측을 장벽층에서 끼워서 구성되는 단일 양자 우물구조를 이루고, 상기 n형 질화물 반도체층에 접하는 측의 장벽층이 n형 불순물을 포함하고, 상기 p형 질화물 반도체층에 접하는 측의 장벽층이 n형 불순물을 포함하지 않는 질화물 반도체 소자.
- 제 3 항에 있어서,상기 활성층이 양자 우물층과 장벽층을 교대로 적층하여 이루어지는 다중 양자 우물구조를 이루고, 상기 n형 질화물 반도체층에 접하는 측의 장벽층 및/또는 양자 우물층이 n형 불순물을 포함하고, 상기 p형 질화물 반도체층에 접하는 측의 장벽층 및/또는 양자 우물층이 n형 불순물을 포함하지 않는 질화물 반도체 소자.
- 제 5 항에 있어서,상기 활성층의 적층 총수가 9층 이상 15층 이하로서, n형 불순물이 포함되는 n형 질화물 반도체층은 n형 질화물 반도체층과 접하는 쪽으로부터 세어 4층 이하인 질화물 반도체 소자.
- 제 6 항에 있어서,상기 활성층의 양자 우물층이 InxGa1-xN(단, 0<x<1)으로 이루어지고, 발광 또는 수광 피크 파장이 470∼530 nm, 바람직하게는 490∼510 nm에 있는 질화물 반도체 소자.
- 제 1 항에 있어서,상기 n형 불순물은 Si, Ge, Sn 중 적어도 1종인 질화물 반도체 소자.
- 제 8 항에 있어서,상기 n형 불순물은 Si 인 질화물 반도체 소자.
- 제 1 항에 있어서,상기 활성층에 포함되는 n형 불순물의 농도가 n형 반도체층중의 n형 불순물 농도 이하인 질화물 반도체 소자.
- 제 1 항에 있어서,상기 활성층에 포함되는 n형 불순물의 농도가 n형 반도체층에 접하는 측에서 멀어짐에 따라서 감소하는 질화물 반도체 소자.
- 제 1 항에 있어서,상기 활성층의 n형 불순물 농도는 5 ×1016∼2 ×1018/cm3인 질화물 반도체소자.
- 제 12 항에 있어서,상기 활성층의 장벽층중에 포함되는 n형 불순물의 농도가 5 ×1016∼2 ×1018/cm3인 질화물 반도체 소자.
- 제 12 항에 있어서,상기 활성층의 양자 우물층중에 포함되는 n형 불순물의 농도가 5 ×1016∼2 ×1018/cm3인 질화물 반도체 소자.
- 제 9 항에 있어서,상기 활성층의 장벽층중에 포함되는 n형 불순물의 농도가 5 ×1016∼2 ×1018/cm3인 한 편, 양자 우물층중에 포함되는 n형 불순물의 농도가 5 ×1016∼2 ×1018/cm3로, 상기 활성층의 장벽층중에 포함되는 n형 불순물의 농도보다 적은 질화물 반도체 소자.
- 제 9 항에 있어서,상기 활성층의 장벽층중에 포함되는 n형 불순물의 농도가 5 ×1016∼2 ×1018/cm3인 한 편, 양자 우물층중에 포함되는 n형 불순물의 농도가 5 ×1016/cm3미만으로, 상기 활성층의 장벽층중에 포함되는 n형 불순물의 농도보다 적은 질화물 반도체 소자.
- 제 2 항에 있어서,상기 활성층중의 상기 n형 질화물 반도체층에 접하는 측의 n형 불순물이 포함하는 장벽층 또는 양자 우물층이 상기 p형 질화물 반도체층에 접하는 측의 n형 불순물을 포함하지 않는 장벽층 또는 양자 우물층보다 막두께가 큰 것을 특징으로 하는 고출력용의 질화물 반도체 소자.
- 제 2 항에 있어서,상기 활성층중의 상기 n형 질화물 반도체층에 접하는 측의 n형 불순물이 포함하는 장벽층 또는 양자 우물층이 상기 p형 질화물 반도체층에 접하는 측의 n형 불순물을 포함하지 않는 장벽층 또는 양자 우물층보다 막두께가 작은 것을 특징으로 하는 저구동 전압용의 질화물 반도체 소자.
- n형 질화물 반도체층과 p형 질화물 반도체층의 사이에, 양자 우물층과 장벽층을 적층하여 이루어진 활성층을 갖고,상기 활성층의 양자 우물층이 InxGa1-xN(단, 0<x<1)으로 이루어지고, 그 발광 피크파장이 450∼540 nm 에 있는 발광 소자로서,상기 활성층의 적층 총수가 9층 이상 13층 이하로서, n형 질화물 반도체층과 접하는 측으로부터 세어 3층 이하의 층에 Si, Ge, Sn으로 이루어지는 군에서 선택되는 n형 불순물이 5 ×1016∼2 ×1018/cm3포함되는 것을 특징으로 하는 발광 소자.
- 제 19 항에 있어서,상기 활성층중의 상기 n형 질화물 반도체층에 접하는 쪽의 n형 불순물이 포함하는 장벽층 또는 양자 우물층이 상기 p형 질화물 반도체층에 접하는 쪽의 n형 불순물을 포함하지 않는 장벽층 또는 양자 우물층보다 막두께가 큰 것을 특징으로 하는 고출력용의 발광 소자.
- 제 19 항에 있어서,상기 활성층중의 상기 n형 질화물 반도체층에 접하는 쪽의 n형 불순물이 포함하는 장벽층 또는 양자 우물층이 상기 p형 질화물 반도체층에 접하는 측의 n형 불순물을 포함하지 않는 장벽층 또는 양자 우물층보다 막두께가 작은 것을 특징으로 하는 저구동 전압용의 발광 소자.
- 제 19 항에 있어서,상기 n형 불순물이 Si인 반도체 소자.
- 제 19 항에 있어서,상기 활성층의 양자 우물층이 InxGa1-xN(단, 0<x<1)으로 이루어지고, 그 발광 피크 파장이 490∼510 nm의 영역에 있는 질화물 발광 소자.
- 제 23 항에 있어서,상기 활성층의 장벽층이 InyGa1-yN(단, O≤y<1로, y<x)으로 이루어진 발광 소자.
- 제 19 항에 있어서,상기 활성층이 InxGa1-xN(단, 0<x<1)/InyGal-yN(단, 0≤y<l에서, y<x)의 다중 양자 우물층으로 이루어지고, n형 다층막상에 형성된 발광 소자.
- 제 25 항에 있어서.상기 다층막이 n형 불순물을 도프하지 않는 InzGal-zN(단, 0<z<1)/GaN적층 또는 AlwGal-w/GaN(단, 0<w<1) 적층으로 이루어지는 버퍼 초격자층으로형성된 발광 소자.
- 제 26 항에 있어서,상기 버퍼 초격자의 GaN층의 두께가 70Å 이하이고, 상기 활성층의 장벽층의 두께가 70Å이상인 발광 소자.
- 제 19 항에 있어서.상기 다층막이 n형 불순물을 포함하고, 상기 활성층의 양자 우물층보다 밴드 갭 에너지가 큰 InzGa1-zN(단, 0<z<1이고, z<y)층 또는 AlwGal-wN(단, 0<w<1)층과 GaN층의 적층으로 이루어지는 클래드층으로서 형성된 발광 소자.
- 제 28 항에 있어서,상기 활성층 및 n형 클래드층중에 포함되는 n형 불순물이 Si이며, 상기 활성층의 적층중에 포함되는 Si 농도가 5 ×1016∼2 ×1018/cm3로서, n형 클래드층의 적층중에 포함되는 Si 농도가 5 ×1016∼2 ×1018/cm3이상으로, 상기 활성층의 Si 농도보다 많은 발광 소자.
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-
2000
- 2000-06-07 KR KR1020017015735A patent/KR100574738B1/ko not_active Expired - Fee Related
- 2000-06-07 EP EP10195025.1A patent/EP2309556B1/en not_active Expired - Lifetime
- 2000-06-07 AU AU51060/00A patent/AU771693B2/en not_active Expired
- 2000-06-07 CA CA2376453A patent/CA2376453C/en not_active Expired - Lifetime
- 2000-06-07 HK HK02107286.6A patent/HK1045909B/zh not_active IP Right Cessation
- 2000-06-07 US US09/762,281 patent/US6657234B1/en not_active Ceased
- 2000-06-07 US US14/789,544 patent/USRE46444E1/en not_active Expired - Lifetime
- 2000-06-07 US US12/852,007 patent/USRE45672E1/en not_active Expired - Lifetime
- 2000-06-07 EP EP12158438.7A patent/EP2463922B1/en not_active Expired - Lifetime
- 2000-06-07 CN CNB2004100633513A patent/CN100380693C/zh not_active Expired - Lifetime
- 2000-06-07 EP EP00935563.7A patent/EP1189289B1/en not_active Expired - Lifetime
- 2000-06-07 CN CNB008085390A patent/CN1211867C/zh not_active Expired - Lifetime
- 2000-06-07 MY MYPI20002565A patent/MY127817A/en unknown
- 2000-06-07 CN CNB2006100958459A patent/CN100470862C/zh not_active Expired - Fee Related
- 2000-06-07 US US11/291,017 patent/USRE42008E1/en not_active Expired - Lifetime
- 2000-06-07 CA CA2696270A patent/CA2696270C/en not_active Expired - Lifetime
- 2000-06-07 TW TW089111067A patent/TW451536B/zh not_active IP Right Cessation
- 2000-06-07 WO PCT/JP2000/003677 patent/WO2000076004A1/ja not_active Ceased
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101238241B1 (ko) * | 2002-05-30 | 2013-03-04 | 크리 인코포레이티드 | 비도핑 클래드층 및 다중 양자 우물을 가진 제iii족질화물 led |
| KR101285679B1 (ko) * | 2002-05-30 | 2013-07-12 | 크리 인코포레이티드 | 비도핑 클래드층 및 다중 양자 우물을 가진 제iii족 질화물 led |
| KR101327342B1 (ko) * | 2002-05-30 | 2013-11-11 | 크리 인코포레이티드 | 비도핑 클래드층 및 다중 양자 우물을 가진 제iii족 질화물 led |
| KR100925059B1 (ko) * | 2004-02-28 | 2009-11-03 | 삼성전기주식회사 | 백색 발광소자 및 그 제조방법 |
| KR100691444B1 (ko) * | 2005-11-19 | 2007-03-09 | 삼성전기주식회사 | 질화물 반도체 발광소자 |
| KR101234783B1 (ko) * | 2006-07-13 | 2013-02-20 | 삼성전자주식회사 | 질화물계 반도체 발광소자 및 그 제조방법 |
| KR100826422B1 (ko) * | 2006-11-21 | 2008-04-29 | 삼성전기주식회사 | 질화물 반도체 소자 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2696270A1 (en) | 2000-12-14 |
| JP2000349337A (ja) | 2000-12-15 |
| EP2309556A2 (en) | 2011-04-13 |
| HK1045909A1 (en) | 2002-12-13 |
| TW451536B (en) | 2001-08-21 |
| EP2463922A2 (en) | 2012-06-13 |
| CN1881632A (zh) | 2006-12-20 |
| EP1189289A1 (en) | 2002-03-20 |
| CN1211867C (zh) | 2005-07-20 |
| KR100574738B1 (ko) | 2006-04-28 |
| CA2376453A1 (en) | 2000-12-14 |
| CN1353867A (zh) | 2002-06-12 |
| CN100470862C (zh) | 2009-03-18 |
| CN1553524A (zh) | 2004-12-08 |
| EP1189289A4 (en) | 2008-01-16 |
| WO2000076004A1 (fr) | 2000-12-14 |
| EP2463922B1 (en) | 2019-07-24 |
| CN100380693C (zh) | 2008-04-09 |
| USRE45672E1 (en) | 2015-09-22 |
| USRE46444E1 (en) | 2017-06-20 |
| US6657234B1 (en) | 2003-12-02 |
| HK1045909B (zh) | 2005-11-18 |
| AU771693B2 (en) | 2004-04-01 |
| USRE42008E1 (en) | 2010-12-28 |
| EP2309556A3 (en) | 2012-04-04 |
| AU5106000A (en) | 2000-12-28 |
| EP1189289B1 (en) | 2015-09-16 |
| CA2376453C (en) | 2011-07-19 |
| MY127817A (en) | 2006-12-29 |
| JP3719047B2 (ja) | 2005-11-24 |
| EP2309556B1 (en) | 2017-04-12 |
| CA2696270C (en) | 2015-03-31 |
| EP2463922A3 (en) | 2013-05-29 |
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