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. 27, 2012
Filed:
Nov. 25, 2009
Applicants:
Ping-hsien Chen, Pingtung, TW;
Bi-hsien Chen, Sinjhuang, TW;
Inventors:
Ping-Hsien Chen, Pingtung, TW;
Bi-Hsien Chen, Sinjhuang, TW;
Assignee:
Chunghwa Picture Tubes, Ltd., Taoyuan County, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a method of selecting a gamma reference voltage. The method is used to switch the picture to a first grey scale. The second grey scale and its luminance of a plurality of regions of a liquid crystal display panel are determined by a sensor, and the gamma voltage corresponding to the second grey scale is stored into a bank to output. The bank signal is input to a reference voltage.