KR20040022703A - 고효율 발광 다이오드 - Google Patents
고효율 발광 다이오드 Download PDFInfo
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- KR20040022703A KR20040022703A KR1020020054327A KR20020054327A KR20040022703A KR 20040022703 A KR20040022703 A KR 20040022703A KR 1020020054327 A KR1020020054327 A KR 1020020054327A KR 20020054327 A KR20020054327 A KR 20020054327A KR 20040022703 A KR20040022703 A KR 20040022703A
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- H01L33/36—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
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- H01L33/30—Materials of the light emitting region containing only elements of group III and group V of the periodic system
- H01L33/32—Materials of the light emitting region containing only elements of group III and group V of the periodic system containing nitrogen
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- H01L2224/06—Structure, shape, material or disposition of the bonding areas prior to the connecting process of a plurality of bonding areas
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- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
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- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/17—Structure, shape, material or disposition of the bump connectors after the connecting process of a plurality of bump connectors
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- H01L2224/1703—Bump connectors having different sizes, e.g. different diameters, heights or widths
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- H01L24/02—Bonding areas ; Manufacturing methods related thereto
- H01L24/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
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- H01L24/10—Bump connectors ; Manufacturing methods related thereto
- H01L24/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L24/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
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- Y10S257/00—Active solid-state devices, e.g. transistors, solid-state diodes
- Y10S257/918—Light emitting regenerative switching device, e.g. light emitting scr arrays, circuitry
Abstract
Description
Claims (23)
- 기판;상기 기판의 상면에 적층되는 제1화합물 반도체층;상기 제1화합물 반도체층 상의 일부 영역에 형성되는 제1전극;상기 제1화합물 반도체층 상의 제1전극을 제외한 영역 상에 적층되며, 430nm 이하의 파장대역의 광이 생성되는 활성층;상기 활성층 상에 형성되는 제2화합물 반도체층; 및상기 기판의 상면면적에 대한 점유면적비가 20% 내지 80%가 되도록 상기 제2화합물 반도체층의 상면에 형성되는 제2전극;을 구비하는 것을 특징으로 하는 발광 다이오드.
- 제 1 항에 있어서,상기 광은 200nm 내지 430nm의 파장대역을 가지는 자외선인 것을 특징으로 하는 발광 다이오드.
- 제 1 항에 있어서,상기 제1전극은 n형 전극이고, 상기 제2전극은 p형 전극인 것을 특징으로 하는 발광 다이오드.
- 제 1 항에 있어서,상기 제2화합물 반도체 상에 상기 제2전극과 접촉하여 외부전원과 연결하는 본딩패드를 더 구비하는 것을 특징으로 하는 발광 다이오드.
- 제 1 항에 있어서,상기 제1화합물 반도체층은, GaN 계열의 Ⅲ-Ⅴ 족 질화물 화합물 반도체층으로써 n형 물질층 또는 도핑되지 않은 물질층인 것을 특징으로 하는 발광 다이오드.
- 제 5 항에 있어서,상기 제2화합물 반도체층은, GaN 계열의 Ⅲ-Ⅴ 족 질화물 화합물 반도체층으로써 p형 물질층인 것을 특징으로 하는 발광 다이오드.
- 제 6 항에 있어서,상기 활성층은, InxAlyGa1-x-yN(0≤x≤1, 0≤y≤1 그리고 x+y≤1) 계열의 Ⅲ-Ⅴ 족 질화물 화합물 반도체층으로써 n형 물질층 또는 도핑되지 않은 물질층인 것을 특징으로 하는 발광 다이오드.
- 제 7 항에 있어서,상기 활성층은 양자우물구조 혹은 다중양자우물구조를 가지는 것을 특징으로 하는 발광 다이오드.
- 제 8 항에 있어서,상기 활성층과 상기 제 1 및 제2화합물 반도체층 사이의 계면에 상기 활성층보다 굴절률이 작은 제1 및 제2클래드층을 더 포함하는 것을 특징으로 하는 발광 다이오드.
- 제 9 항에 있어서,상기 제1클래드층은 GaN 계열의 Ⅲ-Ⅴ 족 질화물 화합물 반도체층으로써 p형 물질층이며, 상기 제2클래드층을 GaN 계열의 Ⅲ-Ⅴ 족 질화물 화합물 반도체층으로써 n형 물질층인 것을 특징으로 하는 발광 다이오드.
- 제 10 항에 있어서,상기 활성층과 상기 제1 및 제2클래드층 사이의 계면에 상기 활성층보다 굴절률이 작고 상기 제1 및 제2클래드층보다 굴절률이 큰 제1 및 제2도파층을 더 구비하는 것을 특징으로 하는 발광 다이오드.
- 제 11 항에 있어서,상기 제1 및 제2도파층은 GaN계열의 III-V족 질화물 화합물 반도체층인 것을 특징으로 하는 발광 다이오드.
- 투광성 기판;상기 기판 상에 적층되는 제1화합물 반도체층;상기 제1화합물 반도체층 상의 일부 영역에 형성되는 제1전극;상기 제1화합물 반도체층 상의 제1전극을 제외한 영역 상에 적층되며, 430nm 이하의 파장대역의 광이 생성되는 활성층;상기 활성층 상에 형성되는 제2화합물 반도체층;상기 기판의 상면면적에 대한 점유면적비가 20% 내지 80%가 되도록 상기 제2화합물 반도체층의 상면에 형성되는 제2전극;을 구비하는 플립 칩과,상기 플립 칩의 제1전극 및 제2전극이 솔더링되어 부착되는 서브 마운트; 및상기 서브 마운트 상에 형성되어, 상기 제1 및 제2전극과 외부전원을 연결시키는 본딩패드;를 구비하는 것을 특징으로 하는 플립칩형 발광 다이오드.
- 제 13 항에 있어서,상기 광은 200nm 내지 430nm의 파장대역을 가지는 자외선인 것을 특징으로 하는 플립칩형 발광 다이오드.
- 제 13 항에 있어서,상기 제1전극은 n형 전극이고, 상기 제2전극은 p형 전극인 것을 특징으로 하는 플립칩형 발광 다이오드.
- 제 13 항에 있어서,상기 제1화합물 반도체층은, GaN 계열의 Ⅲ-Ⅴ 족 질화물 화합물 반도체층으로써 n형 물질층 또는 도핑되지 않은 물질층인 것을 특징으로 하는 플립칩형 발광 다이오드.
- 제 16 항에 있어서,상기 제2화합물 반도체층은, GaN 계열의 Ⅲ-Ⅴ 족 질화물 화합물 반도체층으로써 p형 물질층인 것을 특징으로 하는 플립칩형 발광 다이오드.
- 제 17 항에 있어서,상기 활성층은, InxAlyGa1-x-yN(0≤x≤1, 0≤y≤1 그리고 x+y≤1) 계열의 Ⅲ-Ⅴ 족 질화물 화합물 반도체층으로써 n형 물질층 또는 도핑되지 않은 물질층인 것을 특징으로 하는 플립칩형 발광 다이오드.
- 제 18 항에 있어서,상기 활성층은 양자우물구조 혹은 다중양자우물구조를 가지는 것을 특징으로 하는 플립칩형 발광 다이오드.
- 제 19 항에 있어서,상기 활성층과 상기 제 1 및 제2화합물 반도체층 사이의 계면에 상기 활성층보다 굴절률이 작은 제1 및 제2클래드층을 더 포함하는 것을 특징으로 하는 플립칩형 발광 다이오드.
- 제 20 항에 있어서,상기 제1클래드층은 GaN 계열의 Ⅲ-Ⅴ 족 질화물 화합물 반도체층으로써 p형 물질층이며, 상기 제2클래드층을 GaN 계열의 Ⅲ-Ⅴ 족 질화물 화합물 반도체층으로써 n형 물질층인 것을 특징으로 하는 플립칩형 발광 다이오드.
- 제 21 항에 있어서,상기 활성층과 상기 제1 및 제2클래드층 사이의 계면에 상기 활성층보다 굴절률이 작고 상기 제1 및 제2클래드층보다 굴절률이 큰 제1 및 제2도파층을 더 구비하는 것을 특징으로 하는 플립칩형 발광 다이오드.
- 제 22 항에 있어서,상기 제1 및 제2도파층은 GaN계열의 III-V족 질화물 화합물 반도체층인 것을 특징으로 하는 플립칩형 발광 다이오드.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020054327A KR100543696B1 (ko) | 2002-09-09 | 2002-09-09 | 고효율 발광 다이오드 |
US10/420,827 US7095041B2 (en) | 2002-09-09 | 2003-04-23 | High-efficiency light emitting diode |
EP03252996A EP1396892B1 (en) | 2002-09-09 | 2003-05-14 | High-efficiency GaN-based ultraviolet light-emitting diode |
CNB031368212A CN100341159C (zh) | 2002-09-09 | 2003-05-19 | 高效发光二极管 |
JP2003316565A JP2004104132A (ja) | 2002-09-09 | 2003-09-09 | 高効率発光ダイオード |
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KR1020020054327A KR100543696B1 (ko) | 2002-09-09 | 2002-09-09 | 고효율 발광 다이오드 |
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KR20040022703A true KR20040022703A (ko) | 2004-03-16 |
KR100543696B1 KR100543696B1 (ko) | 2006-01-20 |
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US (1) | US7095041B2 (ko) |
EP (1) | EP1396892B1 (ko) |
JP (1) | JP2004104132A (ko) |
KR (1) | KR100543696B1 (ko) |
CN (1) | CN100341159C (ko) |
Cited By (2)
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KR101103892B1 (ko) * | 2009-12-08 | 2012-01-12 | 엘지이노텍 주식회사 | 발광소자 및 발광소자 패키지 |
US9130123B2 (en) | 2009-09-23 | 2015-09-08 | Lg Innotek Co., Ltd. | Light emitting device and light emitting device package |
Families Citing this family (9)
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CN100399588C (zh) * | 2004-11-08 | 2008-07-02 | 晶元光电股份有限公司 | 点光源发光二极管结构及其制造方法 |
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- 2003-05-14 EP EP03252996A patent/EP1396892B1/en not_active Expired - Lifetime
- 2003-05-19 CN CNB031368212A patent/CN100341159C/zh not_active Expired - Lifetime
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US8530882B2 (en) | 2009-12-08 | 2013-09-10 | Lg Innotek Co., Ltd. | Light emitting device, light emitting device package and lighting system |
Also Published As
Publication number | Publication date |
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US7095041B2 (en) | 2006-08-22 |
KR100543696B1 (ko) | 2006-01-20 |
CN100341159C (zh) | 2007-10-03 |
US20040046166A1 (en) | 2004-03-11 |
CN1482687A (zh) | 2004-03-17 |
JP2004104132A (ja) | 2004-04-02 |
EP1396892A3 (en) | 2006-09-06 |
EP1396892B1 (en) | 2012-08-29 |
EP1396892A2 (en) | 2004-03-10 |
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