KR102613239B1 - 백색 led 모듈 및 조명 장치 - Google Patents
백색 led 모듈 및 조명 장치 Download PDFInfo
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- KR102613239B1 KR102613239B1 KR1020180064114A KR20180064114A KR102613239B1 KR 102613239 B1 KR102613239 B1 KR 102613239B1 KR 1020180064114 A KR1020180064114 A KR 1020180064114A KR 20180064114 A KR20180064114 A KR 20180064114A KR 102613239 B1 KR102613239 B1 KR 102613239B1
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Abstract
Description
도 2 및 도 3은 각각 본 발명의 일 실시예에 따른 백색 LED 모듈을 개략적으로 나타내는 사시도 및 단면도이다.
도 4 내지 도 6은 본 발명의 일 실시예에 따른 백색 LED 모듈의 방출광 스펙트럼을 나타낸다.
도 7은 본 발명의 일 실시예에 따른 백색 LED 모듈에 채용된 광원부의 회로를 나타내는 개략도이다.
도 8 및 도 9는 본 발명의 일 실시예에 따른 LED 광원의 다양한 예를 나타내는 단면도들이다.
도 10 및 도 11은 본 발명의 일 실시예에 따른 LED 광원에 채용 가능한 LED 칩의 다양한 예를 나타내는 단면도들이다.
도 12는 본 발명의 일 실시예에 따른 조명 장치의 주요 구성을 나타내는 블록도이다.
도 13은 본 발명의 일 실시예에 따른 백색 LED 모듈을 개략적으로 나타내는 사시도이다.
도 14는 본 발명의 일 실시예에 따른 백색 LED 모듈에 채용된 광원부의 회로를 나타내는 개략도이다.
도 15는 본 발명의 일 실시예에 따른 램프형 조명 장치를 개략적으로 나타내는 분해 사시도이다.
Claims (20)
- 회로 기판;
상기 회로 기판 상에 배치되며, 제1 색온도를 갖는 제1 백색광을 방출하는 적어도 하나의 제1 LED 광원;
상기 회로 기판 상에 배치되며, 상기 제1 색온도보다 높은 제2 색온도를 갖는 제2 백색광을 방출하는 적어도 하나의 제2 LED 광원;
상기 회로 기판에 배치되며, 상기 적어도 하나의 제1 LED 광원과 상기 적어도 하나의 제2 LED 광원을 선택적으로 구동하도록 구성된 배선 구조; 및
상기 적어도 하나의 제1 LED 광원과 상기 적어도 하나의 제2 LED 광원을 덮도록 상기 회로 기판 상에 배치되며, 광산란성 분말이 포함된 투명 수지로 이루어진 투명 봉합부;를 포함하고,
상기 투명 봉합부에는 상기 광산란성 분말이 상기 투명 수지의 중량에 대해 100% 이상으로 함유되는 백색 LED 모듈.
- 삭제
- 제1항에 있어서,
상기 투명 봉합부의 광산란성 분말과 상기 투명 수지의 중량비는 1:1 ∼ 3:1 범위인 백색 LED 모듈.
- 제1항에 있어서,
상기 제1 백색광은 상기 투명 봉합부를 투과하여 상기 제1 색온도보다 낮은 제3 색온도를 갖는 제3 백색광으로 방출되며,
상기 제2 백색광은 상기 투명 봉합부를 투과하여 상기 제2 색온도보다 낮은 제4 색온도를 갖는 제4 백색광으로 방출되는 백색 LED 모듈.
- 제1항에 있어서,
상기 적어도 하나의 제1 및 제2 LED 광원은 각각 복수개이며, 상기 제2 LED 광원의 개수가 상기 제1 LED 광원의 개수보다 많은 백색 LED 모듈.
- 회로 기판;
상기 회로 기판 상에 배치되며, 제1 색온도를 갖는 제1 백색광을 방출하는 복수의 제1 LED 광원;
상기 회로 기판 상에 배치되며, 상기 제1 색온도보다 높은 제2 색온도를 갖는 제2 백색광을 방출하는 복수의 제2 LED 광원;
상기 회로 기판 상에 배치되며, 상기 제1 색온도보다 높은 제3 색온도를 갖는 제3 백색광을 방출하는 복수의 제3 LED 광원;
상기 회로 기판에 배치되며, 상기 복수의 제1 내지 제3 LED 광원을 각각 직렬 또는 직렬/병렬로 연결하고, 상기 복수의 제1 내지 제3 LED 광원 중 적어도 하나를 선택적으로 구동하도록 구성된 배선 구조; 및
상기 복수의 제1 내지 제3 LED 광원을 덮도록 상기 회로 기판 상에 배치되며, 광산란성 분말이 함유된 투명 수지로 이루어진 투명 봉합부;를 포함하고,
상기 투명 봉합부에는 상기 광산란성 분말이 상기 투명 수지의 중량에 대해 100% 이상으로 함유되는 백색 LED 모듈.
- 제6항에 있어서,
상기 제1 색온도는 2700∼3200K 범위이며, 상기 제2 색온도는 4500∼5500K 범위이며,
상기 제1 백색광은 상기 투명 봉합부를 투과할 경우에 상기 제1 색온도보다 각각 100 K 이상 낮아지고, 상기 제2 백색광은 상기 투명 봉합부를 투과할 경우에 상기 제2 색온도보다 각각 500 K 이상 낮아지는 백색 LED 모듈.
- 제6항에 있어서,
상기 복수의 제2 LED 광원 개수는 상기 복수의 제1 LED 광원의 개수보다 적고,
상기 제3 색온도는 상기 제2 색온도와 동일하며, 상기 제3 LED 광원의 개수는 상기 제2 LED 광원의 개수보다 작은 백색 LED 모듈.
- 제8항에 있어서,
상기 복수의 제1 LED 광원과 상기 복수의 제3 LED 광원이 동시에 구동될 경우, 상기 제1 및 제3 백색광의 혼합된 광은 상기 제1 및 제2 색온도 사이의 중간 색온도를 갖는 백색 LED 모듈.
- 조명 하우징;
상기 조명 하우징에 장착된 백색 LED 모듈; 및
상기 백색 LED 모듈에 전류 공급을 제어하는 구동제어부;를 포함하며,
상기 백색 LED 모듈은,
제1 색온도를 갖는 제1 백색광을 방출하는 L개의 제1 LED 광원이 연결된 제1 채널과, 상기 제1 색온도보다 높은 제2 색온도를 갖는 제2 백색광을 방출하는 M(L>M)개의 제2 LED 광원이 연결된 제2 채널과, 상기 제2 색온도를 갖는 제2 백색광을 방출하는 N(M>N)개의 제3 LED 광원이 연결된 제3 채널과, 상기 제1 내지 제3 LED 광원을 덮으며, 광산란성 분말이 함유된 투명 수지로 이루어진 투명 봉합부를 포함하고,
상기 투명 봉합부에는 상기 광산란성 분말이 상기 투명 수지의 중량에 대해 100% 이상으로 함유되고,
상기 구동 제어부는, 상기 제1 채널 및 상기 제2 채널 중 하나 또는 상기 제1 및 제3 채널의 조합을 선택적으로 구동하도록 구성되는 조명 장치. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
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US20190371768A1 (en) | 2019-12-05 |
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