Title:
LED DRIVING DEVICE AND LED DRIVING METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2012/144800
Kind Code:
A2
Abstract:
The present invention relates to an LED driving device and an LED driving method using the same. According to one aspect of the present invention, an LED driving device and an LED driving method using the same are provided in which the LED driving device comprises: a light source unit which includes first to nth LED groups driven by direct-current power and connected serially to each other in regular sequence; and a driving control unit which includes first to nth input terminals connected to output terminals of the first to nth LED groups, respectively, in regular sequence, senses current flowing to the ground through the first to nth input terminals, and generates information about a driving section, thereby controlling the magnitude and route of current flowing through the light source unit.
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Inventors:
LEE DONG-IL (KR)
Application Number:
PCT/KR2012/002964
Publication Date:
October 26, 2012
Filing Date:
April 18, 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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Claims: