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. 14, 2017
Filed:
Dec. 27, 2013
Applicant:
Silicon Works Co., Ltd., Daejeon-si, KR;
Inventors:
Kyung Min Kim, Daejeon, KR;
Yong Goo Kim, Daejeon, KR;
Won Ji Lee, Cheonahn-si, KR;
Jong Min Lee, Busan, KR;
Young Suk Son, Daejeon, KR;
Assignee:
SILICON WORKS CO., LTD., Daejeon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0815 (2013.01); H05B 33/083 (2013.01); H05B 33/089 (2013.01); H05B 33/0824 (2013.01); H05B 33/0845 (2013.01);
Abstract
Disclosed is a control circuit of an LED lighting apparatus having a dimming function. The control circuit provides a current path corresponding to light emitting states of LED channels in response to a rectified voltage, and performs dimming by controlling a current amount of the current path in response to a dimming control signal provided as an analog signal or digital signal.