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:
Nov. 21, 2017
Filed:
Jun. 29, 2016
Applicant:
Samsung Display Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventors:
Assignee:
SAMSUNG DISPLAY CO., LTD., Yongin-si, Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/00 (2006.01); H05B 39/00 (2006.01); H05B 41/14 (2006.01); H05B 33/08 (2006.01); F21V 8/00 (2006.01); H01F 27/28 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0806 (2013.01); G02B 6/0055 (2013.01); G02B 6/0073 (2013.01); G02B 6/0083 (2013.01); G02B 6/0088 (2013.01); H01F 27/2804 (2013.01); H01F 2027/2809 (2013.01);
Abstract
A backlight unit includes a light source; and a light-source driving unit configured to drive the light source and that includes a transformer. The transformer includes a core comprising a plurality of metal powders; and a plurality of coils embedded in the core. At least one coil has a diameter different from a diameter of another coil.