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:
Apr. 30, 2013
Filed:
Dec. 16, 2008
Applicant:
Tae Wook Lee, Paju-si, KR;
Inventor:
Tae Wook Lee, Paju-si, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A backlight driving circuit and a method for driving the same, which are capable of preventing a flicker phenomenon and delay of response, are disclosed. The backlight driving circuit includes a selective filtering unit for comparing dimming signals currently supplied for a current frame with dimming signals previously stored for a previous frame, to determine how abruptly an image of the current frame has varied from an image of the previous frame, and outputting the dimming signals for the current frame after modulating duty ratios of the dimming signals for the current frame selectively.