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. 20, 1986
Filed:
May. 27, 1983
Applicant:
Inventors:
Barbara Needham, Bishops Stortford, GB;
Peter W Ross, Bishops Stortford, GB;
Assignee:
International Standard Electric Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350336 ; 350333 ; 350338 ; 350346 ; 350349 ;
Abstract
The array of electrodes of an active silicon backed matrix addressed liquid crystal cell incorporating a black guest dye arranged in groups whose individual members exhibit contrasting colors, typically, red, blue, green and optionally yellow, whereby a polychromatic image can be displayed.