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:
Oct. 20, 1981
Filed:
Jul. 25, 1979
Applicant:
Inventor:
Masumi Ishiwatari, Zushi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350344 ; 350337 ; 350338 ;
Abstract
A liquid crystal display device of a type, wherein a pair of flexible, transparent plates, each having on one surface thereof a transparent electrode to form thereon desired characters, patterns, and so forth, are arranged with the transparent electrodes opposed to each other, a spacer to maintain a constant space gap between the opposed transparent electrodes is provided between the pair of flexible, transparent plates uniformly over the entire surface thereof, and liquid crystal is sealed in a space defined between the two electrodes the distance of which is maintained constant by the spacer, and the spacer has a dot or linear structure.