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. 05, 2019
Filed:
Aug. 04, 2016
Applicant:
Silicon Works Co., Ltd., Daejeon, KR;
Inventors:
Yong Geun Kim, Suwon-si, KR;
Ki Chul An, Daegu-si, KR;
Assignee:
SILICON WORKS CO., LTD., Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/00 (2006.01); H05B 39/00 (2006.01); H05B 41/00 (2006.01); H05B 33/08 (2006.01); H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
H05B 33/083 (2013.01); H05B 37/029 (2013.01); H05B 33/0809 (2013.01); H05B 33/0824 (2013.01); Y10T 307/453 (2015.04);
Abstract
Disclosed is a lighting apparatus using an LED as a light source. The lighting apparatus may connect first and second lighting units in series or parallel according to a rectified voltage, change one or more of first and second driving currents corresponding to light emissions of the first and second lighting units, and have the universality for rectified voltages.