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:
Dec. 22, 1987
Filed:
Apr. 12, 1985
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
428-1 ; 3503 / ; 428702 ;
Abstract
A color filter with a good heat resistance is provided on a base plate for a liquid crystal device by vapor deposition of a colorant. Transparent electrodes are formed on the color filter and the thus formed base plate is combined with the other base plate having thereon a TFT circuit for driving a liquid crystal interposed between the base plates. Thus a liquid crystal color display device having a structure suited for driving is provided.