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. 14, 1989
Filed:
Jun. 20, 1988
Applicant:
Inventors:
Hideo Kanno, Kawasaki, JP;
Shinichi Yamashita, Kawasaki, JP;
Satoshi Omata, Tokyo, JP;
Masahiko Enari, Yokohama, JP;
Mitsutoshi Kuno, Kawasaki, JP;
Yoshiyuki Osada, Yokosuka, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340719 ; 340784 ; 350332 ;
Abstract
An active matrix type display panel comprising a first base plate, a second base plate, and a liquid crystal disposed therebetween. The first base plate has thin film transistors formed thereon in the form of a matrix. The second base plate has a counter electrode formed thereon. The source of the thin film transistor are connected to information signal input electrodes which form counter electrodes of capacitive elements for sampling-and-holding information signals.