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. 25, 1999
Filed:
Nov. 05, 1996
Applicant:
Inventors:
Yasushi Kubota, Nara, JP;
Kenichi Katoh, Hiroshima, JP;
Hidehiko Chimura, Nagano, JP;
Jun Koyama, Kanagawa, JP;
Assignees:
Semiconductor Energy Laboratory Co., Ltd., Kanagawa-ken, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
345100 ; 345211 ; 345 99 ;
Abstract
A matrix-type display device in which a number of pixels are arranged and a scanning line and a signal line to which a display signal is output are connected to each pixel. A signal line driver circuit in which a decoder circuit is controlled by a counter circuit, or a scanning line driver circuit in which a decoder circuit is controlled by a counter circuit is divided into a plurality of sections. A clock signal and/or a power supply voltage is selectively supplied to the respective sections.