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:
Oct. 10, 2017
Filed:
Dec. 28, 2015
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventors:
Gwui Youn Park, Seoul, KR;
Myeong Jeong Kim, Seoul, KR;
Soo Min Lee, Seoul, KR;
Yu Won Lee, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2006.01); H01L 33/50 (2010.01); H01L 33/56 (2010.01);
U.S. Cl.
CPC ...
H05B 33/0857 (2013.01); H01L 33/504 (2013.01); H01L 33/56 (2013.01); H05B 33/0809 (2013.01);
Abstract
Embodiments provide a lighting apparatus including a light source unit including a first light source and a second light source, a light source driving unit including a first driver configured to supply first supply current to the first light source and a second driver configured to supply second supply current to the second light source, and a controller configured to control the first driver so as to vary the level of the first supply current and to control the second driver so as to fix the level of the second supply current.