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:
Apr. 23, 2019
Filed:
Jan. 26, 2016
Applicant:
Silicon Works Co., Ltd., Daejeon, KR;
Inventor:
Yong Geun Kim, Suwon-si, KR;
Assignee:
SILICON WORKS CO., LTD., Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/00 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0851 (2013.01); H05B 33/083 (2013.01); H05B 33/0824 (2013.01);
Abstract
Disclosed is a control circuit of an LED lighting apparatus, capable of reducing total harmonic distortion (THD). The control circuit may include a THD reduction circuit configured to control a driving current on a current path corresponding to light emission of an LED group in response to a change of a rectified voltage.