KR100773538B1 - 반사 전극 및 이를 구비하는 화합물 반도체 발광소자 - Google Patents
반사 전극 및 이를 구비하는 화합물 반도체 발광소자 Download PDFInfo
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- KR100773538B1 KR100773538B1 KR1020040079963A KR20040079963A KR100773538B1 KR 100773538 B1 KR100773538 B1 KR 100773538B1 KR 1020040079963 A KR1020040079963 A KR 1020040079963A KR 20040079963 A KR20040079963 A KR 20040079963A KR 100773538 B1 KR100773538 B1 KR 100773538B1
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Abstract
Description
Claims (20)
- 화합물 반도체 발광소자의 p형 화합물 반도체 층 상에 형성되는 전극에 있어서,상기 p형 화합물 반도체 층과 오믹콘택을 형성하는 것으로 Ag와 Ag-계 합금 중의 어느 하나로 형성된 제 1 전극 층;상기 제 1 전극 층 상에 형성되는 것으로 Ni, Ni-계 합금, Zn, Zn-계 합금, Cu, Cu-계 합금, Ru, Ir 및 Rh 으로 이루어지는 그룹에서 선택된 어느 하나로 형성된 제 3 전극 층;상기 제 3 전극 층 상에 광반사 물질로 형성되는 제 4 전극 층;을 구비하는 것을 특징으로 하는 화합물 반도체 발광소자의 반사 전극.
- 제 1 항에 있어서,상기 Ag-계 합금은 Mg, Zn, Sc, Hf, Zr, Te, Se, Ta, W, Nb, Cu, Si, Ni, Co, Mo, Cr, Mn, Hg, Pr 및 La으로 이루어지는 그룹에서 선택된 적어도 어느 하나를 포함하는 것을 특징으로 하는 화합물 반도체 발광소자의 반사 전극.
- 제 1 항에 있어서,상기 제 1 전극 층 및 제 3 전극 층의 두께는 각각 0.1nm 내지 500nm의 범위에 있는 것을 특징으로 하는 화합물 반도체 발광소자의 반사 전극.
- 제 1 항에 있어서,상기 광반사 물질은 Ag, Ag-계 합금, Al, Al-계 합금 및 Rh로 이루어지는 그룹에서 선택된 어느 하나인 것을 특징으로 하는 화합물 반도체 발광소자의 반사 전극.
- 제 4 항에 있어서,상기 제 4 전극 층의 두께는 10nm 내지 5000nm의 범위에 있는 것을 특징으로 하는 화합물 반도체 발광소자의 반사 전극.
- 제 1 항에 있어서,어닐링 공정에서 발생되는 상기 제 4 전극 층 표면에서의 응집 현상을 억제하기 위해 상기 제 4 전극 층 상에 전기 전도성 물질로 형성되는 제 5 전극 층을 더 구비하는 것을 특징으로 하는 화합물 반도체 발광소자의 반사 전극.
- 제 6 항에 있어서,상기 전기 전도성 물질은 Cu, Cu/Ru, Cu/Ir, Cu-계 합금, Cu-계 합금/Ru 및 Cu-계 합금/Ir으로 이루어지는 그룹에서 선택된 어느 하나인 것을 특징으로 하는 화합물 반도체 발광소자의 반사 전극.
- 제 7 항에 있어서,상기 제 5 전극 층의 두께는 1nm 내지 500nm의 범위에 있는 것을 특징으로 하는 화합물 반도체 발광소자의 반사 전극.
- 제 1 항에 있어서,상기 제 1 전극 층과 제 3 전극 층 사이에,Ni 또는 Ni-계 합금으로 형성된 제 2 전극 층;을 더 구비하는 것을 특징으로 하는 화합물 반도체 발광소자의 반사 전극.
- 제 9 항에 있어서,상기 제 2 전극 층의 두께는 0.1nm 내지 500nm의 범위에 있는 것을 특징으로 하는 화합물 반도체 발광소자의 반사 전극.
- n형 및 p형 전극과 그 사이에 적어도 n형 화합물 반도체 층, 활성 층 및 p형 화합물 반도체 층을 구비하는 화합물 반도체 발광소자에 있어서,상기 p형 전극은,상기 p형 화합물 반도체 층과 오믹콘택을 형성하는 것으로 Ag와 Ag-계 합금 중의 어느 하나로 형성된 제 1 전극 층;상기 제 1 전극 층 상에 형성되는 것으로 Ni, Ni-계 합금, Zn, Zn-계 합금, Cu, Cu-계 합금, Ru, Ir 및 Rh 으로 이루어지는 그룹에서 선택된 어느 하나로 형성된 제 3 전극 층;상기 제 3 전극 층 상에 광반사 물질로 형성되는 제 4 전극 층;을 구비하는 것을 특징으로 하는 화합물 반도체 발광소자.
- 제 11 항에 있어서,상기 Ag-계 합금은 Mg, Zn, Sc, Hf, Zr, Te, Se, Ta, W, Nb, Cu, Si, Ni, Co, Mo, Cr, Mn, Hg, Pr 및 La으로 이루어지는 그룹에서 선택된 적어도 어느 하나를 포함하는 것을 특징으로 하는 화합물 반도체 발광소자.
- 제 11 항에 있어서,상기 제 1 전극 층 및 제 3 전극 층의 두께는 각각 0.1nm 내지 500nm의 범위에 있는 것을 특징으로 하는 화합물 반도체 발광소자.
- 제 11 항에 있어서,상기 광반사 물질은 Ag, Ag-계 합금, Al, Al-계 합금 및 Rh로 이루어지는 그룹에서 선택된 어느 하나인 것을 특징으로 하는 화합물 반도체 발광소자.
- 제 14 항에 있어서,상기 제 4 전극 층의 두께는 10nm 내지 5000nm의 범위에 있는 것을 특징으로 하는 화합물 반도체 발광소자.
- 제 11 항에 있어서,어닐링 공정에서 발생되는 상기 제 4 전극 층 표면에서의 응집 현상을 억제하기 위해 상기 제 4 전극 층 상에 전기 전도성 물질로 형성되는 제 5 전극 층을 더 구비하는 것을 특징으로 하는 화합물 반도체 발광소자.
- 제 16 항에 있어서,상기 전기 전도성 물질은 Cu, Cu/Ru, Cu/Ir, Cu-계 합금, Cu-계 합금/Ru 및 Cu-계 합금/Ir으로 이루어지는 그룹에서 선택된 어느 하나인 것을 특징으로 하는 화합물 반도체 발광소자.
- 제 17 항에 있어서,상기 제 5 전극 층의 두께는 1nm 내지 500nm의 범위에 있는 것을 특징으로 하는 화합물 반도체 발광소자.
- 제 11 항에 있어서,상기 제 1 전극 층과 제 3 전극 층 사이에,Ni 또는 Ni-계 합금으로 형성된 제 2 전극 층;을 더 구비하는 것을 특징으로 하는 화합물 반도체 발광소자.
- 제 19 항에 있어서,상기 제 2 전극 층의 두께는 0.1nm 내지 500nm의 범위에 있는 것을 특징으로 하는 화합물 반도체 발광소자.
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KR1020040079963A KR100773538B1 (ko) | 2004-10-07 | 2004-10-07 | 반사 전극 및 이를 구비하는 화합물 반도체 발광소자 |
EP05253838A EP1646093A3 (en) | 2004-10-07 | 2005-06-21 | Reflective electrode and compound semiconductor light emitting device including the same |
CNA2005100786405A CN1758455A (zh) | 2004-10-07 | 2005-06-22 | 反射电极以及包括其的化合物半导体发光器件 |
US11/157,971 US7973325B2 (en) | 2004-10-07 | 2005-06-22 | Reflective electrode and compound semiconductor light emitting device including the same |
JP2005291769A JP2006108683A (ja) | 2004-10-07 | 2005-10-04 | 反射電極及びそれを備える化合物半導体発光素子 |
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KR1020040079963A KR100773538B1 (ko) | 2004-10-07 | 2004-10-07 | 반사 전극 및 이를 구비하는 화합물 반도체 발광소자 |
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KR100773538B1 true KR100773538B1 (ko) | 2007-11-07 |
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US (1) | US7973325B2 (ko) |
EP (1) | EP1646093A3 (ko) |
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KR101047729B1 (ko) * | 2008-07-22 | 2011-07-08 | 엘지이노텍 주식회사 | 발광 소자 패키지 및 그 제조방법 |
KR101068864B1 (ko) | 2008-12-03 | 2011-09-30 | 삼성엘이디 주식회사 | 반도체 발광소자 및 그 제조방법 |
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KR100624416B1 (ko) * | 2003-12-23 | 2006-09-18 | 삼성전자주식회사 | 플립칩형 질화물계 발광소자 및 그 제조방법 |
US7960746B2 (en) * | 2004-01-06 | 2011-06-14 | Samsung Led Co., Ltd. | Low resistance electrode and compound semiconductor light emitting device including the same |
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US20090250713A1 (en) * | 2008-04-04 | 2009-10-08 | Philips Lumileds Lighting Company, Llc | Reflective Contact for a Semiconductor Light Emitting Device |
KR101018197B1 (ko) * | 2008-10-22 | 2011-02-28 | 삼성엘이디 주식회사 | 반도체 발광소자 |
JP2010109013A (ja) * | 2008-10-28 | 2010-05-13 | Sanyo Electric Co Ltd | 半導体レーザ素子およびその製造方法 |
US20110156048A1 (en) * | 2008-11-06 | 2011-06-30 | Toshiya Yokogawa | Nitride-based semiconductor device and method for fabricating the same |
WO2010113237A1 (ja) * | 2009-04-03 | 2010-10-07 | パナソニック株式会社 | 窒化物系半導体素子およびその製造方法 |
US20100327300A1 (en) | 2009-06-25 | 2010-12-30 | Koninklijke Philips Electronics N.V. | Contact for a semiconductor light emitting device |
EP2479807B1 (en) | 2009-12-25 | 2014-06-18 | Panasonic Corporation | Nitride semiconductor light emitting diode |
FR2957718B1 (fr) * | 2010-03-16 | 2012-04-20 | Commissariat Energie Atomique | Diode electroluminescente hybride a rendement eleve |
US8933543B2 (en) | 2010-04-02 | 2015-01-13 | Panasonic Intellectual Property Management Co., Ltd. | Nitride semiconductor element having m-plane angled semiconductor region and electrode including Mg and Ag |
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CN104221130B (zh) * | 2012-02-24 | 2018-04-24 | 天工方案公司 | 与化合物半导体的铜互连相关的改善的结构、装置和方法 |
US10276749B2 (en) | 2013-01-09 | 2019-04-30 | Sensor Electronic Technology, Inc. | Ultraviolet reflective rough adhesive contact |
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EP1646093A2 (en) | 2006-04-12 |
US20060081867A1 (en) | 2006-04-20 |
US7973325B2 (en) | 2011-07-05 |
JP2006108683A (ja) | 2006-04-20 |
CN1758455A (zh) | 2006-04-12 |
KR20060031079A (ko) | 2006-04-12 |
EP1646093A3 (en) | 2008-10-22 |
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