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:
May. 04, 2010
Filed:
Aug. 22, 2006
Applicants:
Satoshi Takamura, Tokyo, JP;
Hidetoshi Okazaki, Tokyo, JP;
Hiroaki Inoue, Tokyo, JP;
Inventors:
Assignee:
Oki Semiconductor Co., Ltd., , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus includes a polarity reversing section which generates a polarity reversing signal for the liquid crystal drive voltage; a liquid crystal driver which reverses the polarity of the liquid crystal drive voltage based on the polarity reversing signal to drive the liquid crystal display panel; a warning signal generation section which generates a warning signal indicating the polarity reverse before the polarity of the liquid crystal drive voltage is reversed; and a regulator section which controls a supply of the liquid crystal drive voltage in accordance with the warning signal.