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. 30, 2007
Filed:
Jun. 28, 2004
Applicants:
Min Ho Sohn, Kyounggi-do, KR;
Ki Duk Kim, Kyounggi-do, KR;
Inventors:
Min Ho Sohn, Kyounggi-do, KR;
Ki Duk Kim, Kyounggi-do, KR;
Assignee:
LG.Philips LCD Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); H04N 5/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of driving a liquid crystal display includes arranging an externally provided first data into a histogram for each frame, producing a second data having an expanded contrast using the histogram, determining a control value by extracting a peak value at a position where brightness components are concentrated in a distribution, and controlling a brightness of a back light in accordance with a gray level of the control value.