KR102443033B1 - 발광소자 패키지 및 이를 포함하는 조명 장치 - Google Patents
발광소자 패키지 및 이를 포함하는 조명 장치 Download PDFInfo
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- KR102443033B1 KR102443033B1 KR1020150142005A KR20150142005A KR102443033B1 KR 102443033 B1 KR102443033 B1 KR 102443033B1 KR 1020150142005 A KR1020150142005 A KR 1020150142005A KR 20150142005 A KR20150142005 A KR 20150142005A KR 102443033 B1 KR102443033 B1 KR 102443033B1
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- light emitting
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Abstract
Description
도 2는 도 1의 단면도이다.
도 3은 도 1의 발광소자 패키지에서 발광소자를 개략적으로 나타내는 저면도이다.
도 4는 도 3에 도시된 발광소자를 A-A'선으로 절취한 단면도이다.
도 5는 몸체부 상에 형성된 전극 패턴을 개략적으로 나타내는 평면도이다.
도 6은 도 5에서 "B"부분을 확대한 평면도이다.
도 7a 및 도 7b는 전극 패턴의 변형예를 개략적으로 나타내는 평면도이다.
도 8은 도 5의 전극 패턴에서 셀의 등가 회로이다.
도 9 내지 도 11은 발광소자를 몸체부 상에 장착하는 과정을 설명하는 도면이다.
도 12a 및 도 12b는 본 발명에 따른 발광소자 패키지의 특징을 설명하는 도면이다.
도 13은 본 발명에 채용가능한 파장변환물질을 설명하기 위한 CIE1931 좌표계이다.
도 14는 본 발명의 일 실시 형태에 따른 조명 장치를 개략적으로 나타내는 분해사시도이다.
도 15a 및 도 15b는 본 발명의 일 실시 형태에 따른 조명 장치를 개략적으로 나타내는 사시도 및 단면도이다.
10... 발광소자 패키지
20... 베이스
30... 전기 연결 구조
40... 커버부
50... 리플렉터
60... 하우징
100... 몸체부
200... 발광소자
300... 봉지부
400... 전극 패턴
500... 솔더 범프
Claims (10)
- 전극 패턴을 갖는 몸체부; 및
상기 몸체부 상에 장착되며, 상기 몸체부와 마주하는 하면에 상기 전극 패턴과 접속되는 솔더 패드를 갖는 복수의 발광소자;
를 포함하고,
상기 전극 패턴은 상기 복수의 발광소자가 놓이는 실장 영역을 정의하는 복수의 셀을 포함하며, 상기 셀은 상기 솔더 패드와 대응되는 형상의 전극 패드를 가지며,
상기 전극 패드는, 제1 전극 패드, 및 상기 제1 전극 패드보다 길이가 더 긴 제2 전극 패드를 포함하며,
상기 제1 전극 패드는 각 셀 내에 배치되고, 상기 제2 전극 패드는 인접한 한 쌍의 셀 사이에서 연장되어 상기 한 쌍의 셀 내부에 각각 부분적으로 배치되는 것을 특징으로 하는 발광소자 패키지.
- 제1항에 있어서,
각 셀 내에는 복수의 전극 패드가 서로 이격되어 배열되며,
상기 복수의 전극 패드 중 적어도 두 개는 해당 셀의 외부로 연장되어 각각 인접한 다른 셀의 전극 패드와 연결되는 것을 특징으로 하는 발광소자 패키지.
- 삭제
- 삭제
- 제1항에 있어서,
상기 발광소자는, 제1 도전형 반도체층과 제2 도전형 반도체층, 및 상기 제1 및 제2 도전형 반도체층 사이에 개재되는 활성층을 포함하며,
상기 솔더 패드는 상기 제1 도전형 반도체층과 연결되는 제1 솔더 패드, 및 상기 제2 도전형 반도체층과 연결되는 제2 솔더 패드를 포함하는 것을 특징으로 하는 발광소자 패키지.
- 제1항에 있어서,
상기 복수의 발광소자는 상기 솔더 패드와 상기 전극 패드 사이에 개재되는 솔더 범프를 매개로 상기 몸체부 상에 장착되며, 상기 전극 패턴과 전기적 연결을 이루는 것을 특징으로 하는 발광소자 패키지.
- 제1항에 있어서,
상기 복수의 발광소자를 덮는 봉지부를 더 포함하는 것을 특징으로 하는 발광소자 패키지.
- 제7항에 있어서,
상기 몸체부는 상기 복수의 발광소자를 둘러싸는 댐을 더 포함하며, 상기 봉지부는 상기 댐에 의해 구획된 공간 내부를 채우는 것을 특징으로 하는 발광소자 패키지.
- 제1항에 있어서,
상기 전극 패턴은 상기 몸체부의 표면에서 외부로 노출되어 외부 전원과 연결되는 접속 단자를 포함하는 것을 특징으로 하는 발광소자 패키지.
- 베이스; 및
상기 베이스 상에 장착되는 적어도 하나의 발광소자 패키지;
를 포함하고,
상기 발광소자 패키지는,
전극 패턴을 갖는 몸체부; 및
상기 몸체부 상에 장착되며, 상기 몸체부와 마주하는 하면에 상기 전극 패턴과 접속되는 솔더 패드를 갖는 복수의 발광소자;를 포함하고,
상기 전극 패턴은 상기 복수의 발광소자가 놓이는 실장 영역을 정의하는 복수의 셀을 포함하며, 상기 셀은 상기 솔더 패드와 대응되는 형상의 전극 패드를 가지며,
상기 전극 패드는, 제1 전극 패드, 및 상기 제1 전극 패드보다 길이가 더 긴 제2 전극 패드를 포함하며,
상기 제1 전극 패드는 각 셀 내에 배치되고, 상기 제2 전극 패드는 인접한 한 쌍의 셀 사이에서 연장되어 상기 한 쌍의 셀 내부에 각각 부분적으로 배치되는 것을 특징으로 하는 조명 장치.
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