KR20050115078A - 플립칩용 질화물 반도체 발광소자 - Google Patents
플립칩용 질화물 반도체 발광소자 Download PDFInfo
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- KR20050115078A KR20050115078A KR1020040040355A KR20040040355A KR20050115078A KR 20050115078 A KR20050115078 A KR 20050115078A KR 1020040040355 A KR1020040040355 A KR 1020040040355A KR 20040040355 A KR20040040355 A KR 20040040355A KR 20050115078 A KR20050115078 A KR 20050115078A
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- nitride semiconductor
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- light emitting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—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
- 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
- H01L33/40—Materials therefor
- H01L33/405—Reflective materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
- H01L2224/14—Structure, shape, material or disposition of the bump connectors prior to the connecting process of a plurality of bump connectors
- H01L2224/1401—Structure
- H01L2224/1403—Bump connectors having different sizes, e.g. different diameters, heights or widths
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—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
- H01L33/02—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 semiconductor bodies
- H01L33/26—Materials of the light emitting region
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—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
- 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
- H01L33/38—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 with a particular shape
- H01L33/387—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 with a particular shape with a plurality of electrode regions in direct contact with the semiconductor body and being electrically interconnected by another electrode layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—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
- H01L33/44—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 coatings, e.g. passivation layer or anti-reflective coating
Abstract
Description
Claims (12)
- 질화물 단결정 성장을 위한 투광성 기판;상기 투광성 기판 상에 형성된 n형 질화물 반도체층;상기 n형 질화물 반도체층 상에 형성된 활성층;상기 활성층 상에 형성된 p형 질화물 반도체층;상기 p형 질화물 반도체층 상에 형성되며 상기 p형 질화물 반도체층이 노출된 다수의 오픈영역을 갖는 메쉬구조로 이루어진 메쉬형 유전체층;상기 메쉬형 유전체층 및 상기 p형 질화물 반도체층이 노출된 오픈영역 상에 형성된 고반사성 오믹콘택층; 및상기 고반사성 오믹콘택층 및 상기 n형 질화물 반도체층 상에 각각 형성된 p측 본딩전극 및 n측 전극을 포함하는 플립칩용 질화물 반도체 발광소자.
- 제1항에 있어서,상기 메쉬형 유전체층의 오픈영역 면적의 합은 상기 p형 질화물 반도체층 상면 면적의 30% 이상인 것을 특징으로 하는 플립칩용 질화물 반도체 발광소자.
- 제1항에 있어서,상기 메쉬형 유전체층의 굴절율은 상기 p형 질화물 반도체층의 굴절율보다 낮은 것을 특징으로 하는 플립칩용 질화물 반도체 발광소자.
- 제1항에 있어서,상기 메쉬형 유전체층은 Si, Zr, Ta, Ti, In, Sn, Mg 및 Al로 구성된 그룹으로부터 선택된 원소를 포함한 산화물 또는 질화물로 이루어진 것을 특징으로 하는 플립칩용 질화물 반도체 발광소자.
- 제1항에 있어서,상기 메쉬형 유전체층의 두께는 하기 식 1과 같은 것을 특징으로 하는 플립칩용 질화물 반도체 발광소자.[식 1](d : 메쉬형 유전체층의 두께, λ: 빛의 파장, n : 메쉬형 유전체층의 굴절율)
- 제1항에 있어서,상기 고반사성 오믹콘택층의 반사율은 70% 이상인 것을 특징으로 하는 플립칩용 질화물 반도체 발광소자.
- 제1항에 있어서,상기 고반사성 오믹콘택층은 Ag, Ni, Al, Rh, Pd, Ir, Ru, Mg, Zn, Pt, Au 및 그 조합으로 구성된 그룹으로부터 선택된 물질로 이루어진 적어도 하나의 층을 포함하는 것을 특징으로 하는 플립칩용 질화물 반도체 발광소자.
- 제1항에 있어서,상기 고반사성 오믹콘택층은 Ni, Pd, Ir, Pt 및 Zn으로 구성된 그룹으로부터 선택된 물질로 이루어진 제1층과, 상기 제1층 상에 형성되어 Ag 및 Al로 구성된 그룹으로부터 선택된 물질로 이루어진 제2층을 포함하는 것을 특징으로 하는 질화물 반도체 발광소자.
- 제1항에 있어서,상기 고반사성 오믹콘택층은 Ni로 이루어진 제1층과, 상기 제1층 상에 형성된 Ag로 이루어진 제2층과, 상기 제2층 상에 형성된 Pt로 이루어진 제3층을 포함하는 것을 특징으로 하는 질화물 반도체 발광소자.
- 제1항에 있어서,상기 고반사성 오믹콘택층을 둘러싸는 금속 배리어층을 더 포함하는 것을 특징으로 하는 플립칩용 질화물 반도체 발광소자.
- 제10항에 있어서,상기 금속 배리어층은 Ni, Al, Cu, Cr, Ti 및 그 조합으로 구성된 그룹으로부터 선택된 물질로 이루어진 적어도 하나의 층을 포함하는 것을 특징으로 하는 플립칩용 질화물 반도체 발광소자.
- 기판 상에 형성된 n형 및 p형 질화물 반도체층을 포함하는 플립칩용 질화물 반도체 발광소자에 있어서,상기 p형 질화물 반도체층 상에 형성되며, 상기 p형 질화물 반도체층이 노출된 다수의 오픈영역을 갖는 메쉬구조로 이루어진 메쉬형 유전체층과, 상기 메쉬형 유전체층 상에 형성된 고반사성 오믹콘택층과, 상기 고반사성 오믹콘택층 상에 형성된 p측 본딩전극을 포함하는 플립칩용 질화물 반도체 발광소자.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020040040355A KR100631840B1 (ko) | 2004-06-03 | 2004-06-03 | 플립칩용 질화물 반도체 발광소자 |
US10/925,934 US7294864B2 (en) | 2004-06-03 | 2004-08-26 | Flip chip type nitride semiconductor light-emitting diode |
JP2004251009A JP4043461B2 (ja) | 2004-06-03 | 2004-08-30 | フリップチップ用窒化物半導体発光素子 |
Applications Claiming Priority (1)
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KR1020040040355A KR100631840B1 (ko) | 2004-06-03 | 2004-06-03 | 플립칩용 질화물 반도체 발광소자 |
Publications (2)
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KR20050115078A true KR20050115078A (ko) | 2005-12-07 |
KR100631840B1 KR100631840B1 (ko) | 2006-10-09 |
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US (1) | US7294864B2 (ko) |
JP (1) | JP4043461B2 (ko) |
KR (1) | KR100631840B1 (ko) |
Cited By (3)
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KR100599011B1 (ko) * | 2005-06-29 | 2006-07-12 | 서울옵토디바이스주식회사 | 메쉬 전극을 채택하는 복수개의 발광셀들을 갖는 발광다이오드 및 그것을 제조하는 방법 |
KR100762004B1 (ko) * | 2006-08-07 | 2007-09-28 | 삼성전기주식회사 | 질화물계 발광 다이오드 소자의 제조방법 |
KR100812738B1 (ko) * | 2006-08-14 | 2008-03-12 | 삼성전기주식회사 | 표면 요철 형성방법 및 그를 이용한 질화물계 반도체발광소자의 제조방법 |
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- 2004-08-30 JP JP2004251009A patent/JP4043461B2/ja active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100599011B1 (ko) * | 2005-06-29 | 2006-07-12 | 서울옵토디바이스주식회사 | 메쉬 전극을 채택하는 복수개의 발광셀들을 갖는 발광다이오드 및 그것을 제조하는 방법 |
KR100762004B1 (ko) * | 2006-08-07 | 2007-09-28 | 삼성전기주식회사 | 질화물계 발광 다이오드 소자의 제조방법 |
KR100812738B1 (ko) * | 2006-08-14 | 2008-03-12 | 삼성전기주식회사 | 표면 요철 형성방법 및 그를 이용한 질화물계 반도체발광소자의 제조방법 |
Also Published As
Publication number | Publication date |
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JP4043461B2 (ja) | 2008-02-06 |
JP2005347728A (ja) | 2005-12-15 |
KR100631840B1 (ko) | 2006-10-09 |
US7294864B2 (en) | 2007-11-13 |
US20050269588A1 (en) | 2005-12-08 |
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