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:
Aug. 26, 2008
Filed:
Apr. 27, 2004
Mitsuru Goto, Chiba, JP;
Hiroshi Katayanagi, Chiba, JP;
Yukihide Ode, Mobara, JP;
Yoshiyuki Saitou, Mobara, JP;
Koichi Kotera, Kokubunji, JP;
Mitsuru Goto, Chiba, JP;
Hiroshi Katayanagi, Chiba, JP;
Yukihide Ode, Mobara, JP;
Yoshiyuki Saitou, Mobara, JP;
Koichi Kotera, Kokubunji, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Device Engineering Co., Ltd., Mobara-shi, JP;
Hitachi Ulsi Systems Co., ltd., Tokyo, JP;
Abstract
A liquid crystal display device having a liquid crystal display element having a plurality of pixels. The video signal line driver circuit includes a plurality of amplifiers each of which has a pair of a first input terminal and a second input terminal, and a plurality of pairs of an inverting input terminal and a noninverting input terminal. Each of the plurality of amplifiers has a switching circuit which switches between a first state and a second state, based on a switching control signal supplied with a switching repetition period equal to double a display line repetition period.