KR100984750B1 - 발광 다이오드 및 발광 다이오드 램프 - Google Patents
발광 다이오드 및 발광 다이오드 램프 Download PDFInfo
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- KR100984750B1 KR100984750B1 KR1020087005149A KR20087005149A KR100984750B1 KR 100984750 B1 KR100984750 B1 KR 100984750B1 KR 1020087005149 A KR1020087005149 A KR 1020087005149A KR 20087005149 A KR20087005149 A KR 20087005149A KR 100984750 B1 KR100984750 B1 KR 100984750B1
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- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
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- H01L2224/45001—Core members of the connector
- H01L2224/45099—Material
- H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
- H01L2224/45138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
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Abstract
Description
Claims (11)
- 제 1 전도형의 규소 단결정 기판(101); 그 규소 단결정 기판상의 Ⅲ족 질화물 반도체로 구성된 제 1 pn 접합 구조부를 포함하는 발광부(40); 상기 발광부 상에 설치된 제 1 전도형의 반도체 상에 형성된 제 1 극성의 오믹 전극(107b); 및 규소 단결정 기판에 관하여 발광부와 동일측의 제 2 전도형의 반도체 상에 형성된 제 2 극성의 오믹 전극(108)이 구비되어 있는 발광 다이오드(10)에 있어서:상기 제 1 전도형의 규소 단결정 기판으로부터 발광부에 걸친 영역에 제 2 pn 접합 구조부(30)를 구성함과 아울러,제 1 pn 접합 구조부와 제 2 pn 접합 구조부가 동일 극성의 오믹 전극에 병렬 접속되며, 제 2 pn 접합 구조부의 역방향의 내전압은 제 1 pn 접합 구조부의 순방향 전압을 초과하여 높고, 또한, 제 1 pn 접합 구조부의 역방향 전압보다 작은 범위에 있으며,상기 규소 단결정 기판의 발광부가 설치되는 측과는 반대측의 기판 배면으로부터 적층 방향을 향하여 규소 단결정 기판에 광반사용 구멍(109)을 형성하고, 상기 광반사용 구멍은 기판 배면으로부터 규소 단결정 기판에 접합시켜 설치되어 있는 상층을 향하여 관통하는 관통 구멍이며, 상기 관통 구멍에 면하는 상층 하면이 광반사용 구멍의 내주면의 일부를 이루고, 상기 광반사용 구멍의 내주면 및 규소 단결정 기판의 기판 배면을 금속막(110)으로 피복한 것을 특징으로 하는 발광 다이오드.
- 제 1 항에 있어서,상기 제 2 전도형의 반도체는 발광부로부터의 발광을 투과할 수 있는 반도체 재료로 구성되며, 상기 규소 단결정 기판의 표면에 접합시켜 설치되어 있고,상기 제 2 pn 접합 구조부는 상기 규소 단결정 기판(101)과 상기 제 2 전도형의 반도체층(1C)으로 구성되는 것을 특징으로 하는 발광 다이오드.
- 제 1 항에 있어서,발광부로부터의 발광을 투과할 수 있는 제 1 전도형의 반도체 재료로 구성된 제 1 전도형의 반도체층이 상기 규소 단결정 기판의 표현에 형성되며,상기 제 2 전도형의 반도체는 상기 제 1 전도형의 반도체층에 접합되어 설치되어 있고,상기 제 2 pn 접합 구조부(30)는 상기 제 1 전도형의 반도체층과 상기 제 2 전도형의 반도체층으로 구성되는 것을 특징으로 하는 발광 다이오드.
- 삭제
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 기판 배면을 피복하는 금속막은 규소 단결정 기판에 대하여 오믹 접촉성을 나타내는 금속 재료로 이루어지는 것을 특징으로 하는 발광 다이오드.
- 제 5 항에 있어서,상기 광반사용 구멍의 내주면을 피복하는 금속막은 규소 단결정 기판에 대하여 오믹 접촉성을 나타내는 금속 재료로 이루어지는 것을 특징으로 하는 발광 다이 오드.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 광반사용 구멍의 내주면을 피복하는 금속막, 및 기판 배면을 피복하는 금속막은 다른 금속 재료으로 이루어지는 것을 특징으로 하는 발광 다이오드.
- 제 7 항에 있어서,상기 광반사용 구멍의 내주면을 피복하는 금속막은 기판 배면을 피복하는 금속막에 비하여 발광부로부터 출사되는 광에 대하여 보다 반사율이 높은 금속 재료로 이루어지는 것을 특징으로 하는 발광 다이오드.
- 제 1 항 내지 제 3 항 중 어느 한 항에 기재된 발광 다이오드를 사용하여 구성되어 있는 것을 특징으로 하는 발광 다이오드 램프.
- 제 9 항에 있어서,상기 제 1 극성의 오믹 전극, 및 금속막 중 적어도 기판 배면의 금속막이 등전위로 접속되어 있는 것을 특징으로 하는 발광 다이오드 램프.
- 제 9 항에 있어서,상기 제 1 극성의 오믹 전극, 금속막, 및 발광 다이오드를 고정함과 아울러, 금속막과 전기적으로 접촉하는 지지대가 등전위로 되도록 접속되어 있는 것을 특징으로 하는 발광 다이오드 램프.
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WO2009125953A2 (ko) * | 2008-04-06 | 2009-10-15 | Song June O | 발광 소자 |
KR101916144B1 (ko) * | 2012-05-16 | 2018-11-08 | 엘지이노텍 주식회사 | 발광소자, 발광소자 패키지 및 라이트 유닛 |
JP2015056648A (ja) * | 2013-09-13 | 2015-03-23 | 株式会社東芝 | 半導体発光素子およびそれを用いた発光装置 |
JP6553336B2 (ja) * | 2014-07-28 | 2019-07-31 | エア・ウォーター株式会社 | 半導体装置 |
JP6661330B2 (ja) * | 2015-10-27 | 2020-03-11 | 株式会社ディスコ | Led基板の形成方法 |
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WO2007018250A1 (ja) | 2007-02-15 |
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US8071991B2 (en) | 2011-12-06 |
US20090152579A1 (en) | 2009-06-18 |
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