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. 03, 2012
Filed:
Aug. 17, 2009
Applicants:
Yue-li Chao, Taipei County, TW;
Pin-hung Chou, Taipei, TW;
Inventors:
Yue-Li Chao, Taipei County, TW;
Pin-Hung Chou, Taipei, TW;
Assignee:
Chunghwa Picture Tubes, Ltd., Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
An LCD driving apparatus and an LCD driving method are provided in the application. The LCD driving apparatus includes a difference value circuit which determines whether to enable an overdriving circuit and a memory controller according to a gray level variation between two adjacent frames. When the gray level variation between two adjacent frames is less than a predetermined threshold, the overdriving circuit and the memory controller are disabled so as to reduce power consumption.