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Patent Searching and Data


Title:
LAMP CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/108611
Kind Code:
A1
Abstract:
A lamp control device is disclosed. The lamp control device comprises: a converter for providing an output voltage and an internal voltage; a lamp including an LED module having a plurality of LED channels, and emitting light in correspondence to the output voltage of the converter; and a control unit operating using the internal voltage of the converter, controlling the output voltage of the converter such that the output voltage is maintained at a level at least as high as a predetermined level by using feedback voltages of the plurality of LED channels, and controlling channel currents of the plurality of LED channels such that the channel currents are adjusted in correspondence to a preset memory value.

Inventors:
KIM SUNG HWAN (KR)
HA JOO WAN (KR)
YOO SUN GEON (KR)
JIN HAI FENG (KR)
LEE JU HYUN (KR)
QU WANYUAN (KR)
LEE SE WON (KR)
JEONG BYEONG HO (KR)
HONG JU PYO (KR)
Application Number:
PCT/KR2015/014470
Publication Date:
July 07, 2016
Filing Date:
December 30, 2015
Export Citation:
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Assignee:
SILICON WORKS CO LTD (KR)
International Classes:
F21S8/10; H05B44/00
Foreign References:
KR20110017784A2011-02-22
US20140210359A12014-07-31
US20100045204A12010-02-25
KR20120111341A2012-10-10
KR20120095655A2012-08-29
Attorney, Agent or Firm:
LEE, CHEOL HEE (KR)
이철희 (KR)
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