Title:
LIGHT EMITTING DIODE DRIVING CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2010/131819
Kind Code:
A1
Abstract:
The present invention provides a light emitting diode driving circuit comprising: a constant current limiting unit which regularly limits the current flowing in an LED circuit regardless of an input voltage applied to the LED circuit which includes at least one LED to which AC input power is applied via a bridge circuit; and an output power increase preventing unit which prevents the output power of the LED circuit from increasing when the input voltage applied to the LED circuit is increased.
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Inventors:
KIM YOUNG-HWAN (KR)
MOON JIN-SOO (KR)
MOON JIN-SOO (KR)
Application Number:
PCT/KR2009/005333
Publication Date:
November 18, 2010
Filing Date:
September 18, 2009
Export Citation:
Assignee:
LOGIN DIGITAL CO LTD (KR)
KIM YOUNG-HWAN (KR)
MOON JIN-SOO (KR)
KIM YOUNG-HWAN (KR)
MOON JIN-SOO (KR)
International Classes:
H05B37/02
Foreign References:
| KR100523555B1 | 2005-10-25 | |||
| KR100859034B1 | 2008-09-17 | |||
| KR20010098937A | 2001-11-08 | |||
| KR100857301B1 | 2008-09-05 |
Attorney, Agent or Firm:
KIM, Ham-Kon (668-2Yoksam-dong, Kangnam-gu, Seoul 135-080, KR)
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Claims: