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:
Dec. 27, 2011
Filed:
May. 27, 2005
Applicant:
Hee Jung Hong, Seoul, KR;
Inventor:
Hee Jung Hong, Seoul, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for controlling luminance of an edge type backlight unit having a plurality of lamps at opposite sides of a light-guiding plate is provided that includes: analyzing luminance data for each frame of an image before outputting the image; selecting a backlight luminance level from a Look-Up Table LUT that classifies the luminance according to the analyzed luminance data; outputting lamp on/off control signals according to the selected luminance level; and providing lamp on/off signals to respective lamps according to the lamp on/off control signals.