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. 31, 1988
Filed:
Jul. 05, 1984
Applicant:
Inventors:
Seigo Togashi, Tokorozawa, JP;
Kanetaka Sekiguchi, Tokorozawa, JP;
Hiroshi Tanabe, Tokorozawa, JP;
Katsumi Aota, Tokorozawa, JP;
Kazuaki Sorimachi, Tokorozawa, JP;
Etsuo Yamamoto, Tokorozawa, JP;
Assignee:
Citizen Watch Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340784 ; 340718 ; 340719 ; 340811 ;
Abstract
A matrix display panel comprising a plurality of liquid crystal display elements. Each liquid crystal display element is connected to a plurality of diode rings which are connected in series between a scanning electrode and a data electrode. Each diode ring comprises a pair of diodes of opposite polarity which are connected in parallel.