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:
Nov. 16, 1982
Filed:
Oct. 17, 1978
Applicant:
Inventors:
Keisaku Nonomura, Nara, JP;
Keiichiro Shimizu, Yamatokoriyama, JP;
Hisashi Uede, Yamatokoriyama, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340765 ; 340784 ; 340812 ; 350333 ;
Abstract
The disclosure is directed toward an XY matrix type liquid crystal. In the case where more than one kind of display pattern are to be displayed using substantially the same line or lines (a column or columns for a column sequential drive method), only line (or column) electrodes associated with a predetermined display are supplied with a voltage. The period of time where a voltage is applied per line or per column (that is, duty factor) is switched in accordance with a display pattern which is about to be displayed.