Title:
LED DRIVING DEVICE AND METHOD FOR DRIVING AN LED BY USING SAME
Document Type and Number:
WIPO Patent Application WO/2012/153947
Kind Code:
A2
Abstract:
The present invention relates to an LED driving device and a method for driving an LED by using same. According to one aspect of the present invention, an LED driving device includes: a light source unit including first to nth LED groups sequentially connected in series; first to nth input terminals respectively connected to output terminals of the first to nth LED groups; and a driving control unit for controlling each of first to nth input currents through first to nth current detect signals generated by reflecting the first to nth input currents, which are inputted to the first to nth input terminals, at a predetermined ratio.
Inventors:
LEE DONG-IL (KR)
Application Number:
PCT/KR2012/003522
Publication Date:
November 15, 2012
Filing Date:
May 04, 2012
Export Citation:
Assignee:
LEE DONG-IL (KR)
International Classes:
H05B37/02; H05B44/00
Foreign References:
| KR100997050B1 | 2010-11-29 | |||
| KR20100006345U | 2010-06-23 | |||
| KR20060081902A | 2006-07-14 | |||
| KR20070000963A | 2007-01-03 | |||
| KR20100121816A | 2010-11-19 | |||
| JP2011009474A | 2011-01-13 |
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
특허법인 씨엔에스 (KR)
특허법인 씨엔에스 (KR)
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