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:
Jul. 12, 2016
Filed:
Oct. 10, 2014
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Jin-hyung Lee, Anyang-si, KR;
Gil-yong Chang, Suwon-si, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2006.01); G09G 3/34 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0887 (2013.01); G09G 3/3406 (2013.01); G09G 3/36 (2013.01); H05B 33/0845 (2013.01); G09G 2330/08 (2013.01); G09G 2330/12 (2013.01);
Abstract
A backlight unit, the backlight unit including a light-emitting diode (LED) module; a switching element connected to the LED module; and a controller configured to supply a driving voltage to the LED module, control a switching operation of the switching element, provide a constant current to the LED module, sense an operational error in the switching element, and control the driving voltage of the LED module in response to the sensed operational error.