The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 21, 2012
Filed:
May. 28, 2009
Heung Gyoon Choi, Suwon-Si, KR;
Sung Soo Hong, Seoul, KR;
Sang Kyoo Han, Daejeon-Si, KR;
Chung Wook Roh, Seoul, KR;
Sang Ho Cho, Seongnam-Si, KR;
Sang Hyun Lee, Incheon-Si, KR;
Sung Ho Kim, Hwaseong-Si, KR;
Tae Hyung Kang, Osan-Si, KR;
Jae Sun Won, Suwon-Si, KR;
Heung Gyoon Choi, Suwon-Si, KR;
Sung Soo Hong, Seoul, KR;
Sang Kyoo Han, Daejeon-Si, KR;
Chung Wook Roh, Seoul, KR;
Sang Ho Cho, Seongnam-Si, KR;
Sang Hyun Lee, Incheon-Si, KR;
Sung Ho Kim, Hwaseong-Si, KR;
Tae Hyung Kang, Osan-Si, KR;
Jae Sun Won, Suwon-Si, KR;
Samsung Electro-Mechanics Co., Ltd., Gyunggi-do, KR;
Abstract
The present invention provides an LED driving circuit including: an inverter unit for switching an input power source; a plurality of transformers including a plurality of primary windings connected to the inverter unit and connected to each other in series and a plurality of secondary windings each of which is coupled with each of the primary windings; a plurality of rectification units each of which is connected to each of the secondary windings; and a plurality of LEDs each of which is connected to each of the rectification units.