Invention Grant
- Patent Title: LED driving apparatus and lighting apparatus including same
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Application No.: US15086952Application Date: 2016-03-31
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Publication No.: US09860955B2Publication Date: 2018-01-02
- Inventor: Hyun Jung Kim , Bong Jin Lee
- Applicant: SAMSUNG ELECTRONICS CO., LTD.
- Applicant Address: KR Suwon-si
- Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee Address: KR Suwon-si
- Agency: Sughrue Mion, PLLC
- Priority: KR10-2015-0124088 20150902
- Main IPC: H05B37/00
- IPC: H05B37/00 ; H05B33/08 ; H05B37/02

Abstract:
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.
Public/Granted literature
- US20170064785A1 LED DRIVING APPARATUS AND LIGHTING APPARATUS INCLUDING SAME Public/Granted day:2017-03-02
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