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:
Sep. 05, 2006
Filed:
Nov. 25, 2002
Applicant:
Akihiro Minami, Kumamoto, JP;
Inventor:
Akihiro Minami, Kumamoto, JP;
Assignee:
Kabushiki Kaisha Advanced Display, Kumamoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A liquid crystal driving device that supplies control signals including at least a polarity inversion signal for AC driving to an image signal line driving circuit, the polarity inversion signal includes polarity inversion pulses varied periodically at a prescribed period even in vertical blanking intervals. The last polarity inversion pulses at the last cycles in each of vertical blanking intervals are deleted.