KR101976459B1 - 발광소자, 발광소자 패키지 및 라이트 유닛 - Google Patents
발광소자, 발광소자 패키지 및 라이트 유닛 Download PDFInfo
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- KR101976459B1 KR101976459B1 KR1020120123510A KR20120123510A KR101976459B1 KR 101976459 B1 KR101976459 B1 KR 101976459B1 KR 1020120123510 A KR1020120123510 A KR 1020120123510A KR 20120123510 A KR20120123510 A KR 20120123510A KR 101976459 B1 KR101976459 B1 KR 101976459B1
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Abstract
Description
도 2는 도 1에 도시된 발광소자의 A-A 선에 따른 단면도이다.
도 3 내지 도 7은 실시 예에 따른 발광소자 제조방법을 나타낸 도면이다.
도 8 내지 도 13은 실시 예에 따른 발광소자의 다른 예를 나타낸 도면이다.
도 14는 실시 예에 따른 발광소자 패키지를 나타낸 도면이다.
도 15는 실시 예에 따른 표시장치를 나타낸 도면이다.
도 16은 실시 예에 따른 표시장치의 다른 예를 나타낸 도면이다.
도 17은 실시 예에 따른 조명장치를 나타낸 도면이다.
12: 활성층 13: 제2 도전형 반도체층
15: 오믹접촉층 17: 반사층
30: 채널층 35: 제1 금속층
40: 절연층 45: 보호막
50: 제2 금속층 60: 본딩층
70: 전도성 지지부재 80: 제1 전극
83: 분기전극 85: 러프니스
87: 제2 전극 90: 제1 연결부
95: 제2 연결부
Claims (17)
- 제1도전형 반도체층, 상기 제1도전형 반도체층 아래에 활성층, 상기 활성층 아래에 제2도전형 반도체층을 포함하는 발광구조물;
상기 제1도전형 반도체층 위에 배치된 복수의 제1전극;
상기 제2도전형 반도체층에 전기적으로 연결된 제2전극;
상기 발광구조물 하부 둘레에 배치된 채널층;
상기 제2전극 아래에 배치된 전도성 지지부재;
상기 복수의 제1전극 각각을 상기 전도성 지지부재에 전기적으로 연결시키는 복수의 제1연결부; 및
상기 제2전극에 전기적으로 연결된 제2연결부를 포함하고,
상기 복수의 제1전극은 상기 제1도전형 반도체층 상부 면에서 서로 이격되어 점(dot) 형상으로 배치되며,
상기 복수의 제1연결부는 상기 복수의 제1전극에 각각 접촉하며,
상기 복수의 제1연결부는 상기 제1도전형 반도체층의 측면과 접촉하며,
상기 복수의 제1연결부 각각은 서로 이격되어 배치되고,
상기 복수의 제1연결부는 상기 발광구조물의 측면을 따라 배치되고,
상기 제2연결부의 일단은 상기 채널층 위에 배치되며,
상기 제2연결부의 일단은 상기 발광구조물의 측벽과 이격되어 배치되고,
상기 제2연결부는 상기 채널층을 관통하여 상기 채널층 상면으로 돌출되고,
상기 채널층의 상부면은 상기 활성층의 상부면에 비하여 더 높게 배치되며,
상기 제2전극은 상기 제2도전형 반도체층 아래에 배치된 금속층을 포함하고,
상기 제2연결부는 상기 금속층에 전기적으로 연결되고,
상기 금속층과 상기 전도성 지지부재 사이에 배치된 절연층을 포함하는 발광소자. - 제1도전형 반도체층, 상기 제1도전형 반도체층 아래에 활성층, 상기 활성층 아래에 제2도전형 반도체층을 포함하는 발광구조물;
상기 제1도전형 반도체층 위에 배치된 복수의 제1전극;
상기 제2도전형 반도체층에 전기적으로 연결된 제2전극;
상기 발광구조물 하부 둘레에 배치된 채널층;
상기 제2전극 아래에 배치된 전도성 지지부재;
상기 복수의 제1전극 각각을 상기 전도성 지지부재에 전기적으로 연결시키는 복수의 제1연결부; 및
상기 제2전극에 전기적으로 연결된 제2연결부를 포함하고,
상기 복수의 제1전극은 상기 제1도전형 반도체층 상부 면에서 서로 이격되어 점(dot) 형상으로 배치되며,
상기 채널층의 상면은 상기 활성층보다 높게 배치되며,
상기 채널층은 상기 활성층의 둘레를 감싸며,
상기 채널층은 상기 제1도전형 반도체층의 하면과 접촉하는 발광소자. - 제1항 또는 제2항에 있어서,
상기 복수의 제1 전극은 상기 제1 도전형 반도체층의 둘레에 배치되고,
서로 인접한 상기 복수의 제1전극 사이의 간격은 100 마이크로미터 내지 500마이크로미터인 발광소자. - 제2항에 있어서,
상기 복수의 제1연결부 각각은 서로 이격되어 배치되고,
상기 복수의 제1연결부는 상기 발광구조물의 측면을 따라 배치되는 발광소자. - 제4항에 있어서,
상기 제2 연결부의 일단은 상기 채널층 위에 배치된 발광소자. - 제5항에 있어서,
상기 제2연결부의 일단은 상기 발광구조물의 측벽과 이격되어 배치되고,
상기 제2연결부는 상기 채널층을 관통하여 상기 채널층 상면으로 돌출되는 발광소자. - 제6항에 있어서,
상기 채널층의 상부면은 상기 활성층의 상부면에 비하여 더 높게 배치된 발광소자. - 제7항에 있어서,
상기 제2전극은 상기 제2도전형 반도체층 아래에 배치된 금속층을 포함하고, 상기 제2연결부는 상기 금속층에 전기적으로 연결되고,
상기 금속층과 상기 전도성 지지부재 사이에 배치된 절연층을 포함하는 발광소자. - 제1항 또는 제8항에 있어서,
상기 절연층의 상부면 일부는 상기 발광구조물의 하부 둘레에 노출되고,
상기 복수의 제1연결부는 상기 절연층을 관통하여 상기 전도성 지지부재에 전기적으로 연결된 발광소자. - 제9항에 있어서,
상기 채널층의 일단은 상기 제2도전형 반도체층 아래에 배치되어 상기 제2도전형 반도체층의 하부면과 접촉하는 발광소자. - 삭제
- 삭제
- 삭제
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US14/067,192 US9190562B2 (en) | 2012-11-02 | 2013-10-30 | Light emitting device |
EP13190949.1A EP2728630A3 (en) | 2012-11-02 | 2013-10-30 | Electrode configuration for a light emitting diode |
CN201310530407.0A CN103811619B (zh) | 2012-11-02 | 2013-10-31 | 发光器件 |
JP2013228932A JP5827666B2 (ja) | 2012-11-02 | 2013-11-05 | 発光素子 |
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WO2017052344A1 (ko) * | 2015-09-25 | 2017-03-30 | 엘지이노텍 주식회사 | 발광소자, 발광소자 패키지 및 발광장치 |
CN105911754A (zh) * | 2016-05-05 | 2016-08-31 | 京东方科技集团股份有限公司 | 背光源和显示装置 |
TWI778010B (zh) * | 2017-01-26 | 2022-09-21 | 晶元光電股份有限公司 | 發光元件 |
JP7029624B2 (ja) * | 2019-02-20 | 2022-03-04 | 日亜化学工業株式会社 | 表示装置及びその製造方法 |
US11362246B2 (en) | 2019-02-20 | 2022-06-14 | Nichia Corporation | Method of manufacturing display device with lateral wiring |
CN111599831B (zh) * | 2019-02-20 | 2024-09-20 | 日亚化学工业株式会社 | 显示装置以及其制造方法 |
CN111864031A (zh) * | 2019-05-06 | 2020-10-30 | 上海集耀电子有限公司 | 一种led点光源 |
CN114093996B (zh) * | 2021-11-19 | 2024-06-21 | 淮安澳洋顺昌光电技术有限公司 | 半导体发光器件 |
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US9190562B2 (en) | 2015-11-17 |
CN103811619B (zh) | 2017-04-12 |
EP2728630A2 (en) | 2014-05-07 |
JP5827666B2 (ja) | 2015-12-02 |
EP2728630A3 (en) | 2015-08-05 |
JP2014093531A (ja) | 2014-05-19 |
US20140124731A1 (en) | 2014-05-08 |
KR20140056976A (ko) | 2014-05-12 |
CN103811619A (zh) | 2014-05-21 |
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