- 专利标题: LED driving apparatus and lighting apparatus including same
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申请号: US15086952申请日: 2016-03-31
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公开(公告)号: US09860955B2公开(公告)日: 2018-01-02
- 发明人: Hyun Jung Kim , Bong Jin Lee
- 申请人: SAMSUNG ELECTRONICS CO., LTD.
- 申请人地址: KR Suwon-si
- 专利权人: SAMSUNG ELECTRONICS CO., LTD.
- 当前专利权人: SAMSUNG ELECTRONICS CO., LTD.
- 当前专利权人地址: KR Suwon-si
- 代理机构: Sughrue Mion, PLLC
- 优先权: KR10-2015-0124088 20150902
- 主分类号: H05B37/00
- IPC分类号: H05B37/00 ; H05B33/08 ; H05B37/02
摘要:
A light emitting diode (LED) driving apparatus includes: a power supply circuit supplying driving power to a first LED group and a second LED group, the first LED group and the second LED group being configured to emit light having different color temperatures; a current controlling circuit controlling a first magnitude of a first current flowing through the first LED group and a second magnitude of a second current flowing through the second LED group; and an LED controller concurrently controlling on/off switching operations of a first LED of the first LED group and a second LED of the second LED group.
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