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:
Jul. 01, 1997
Filed:
Aug. 22, 1995
Applicant:
Inventors:
Assignee:
Kent Displays, Inc., Kent, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
345 95 ; 345210 ; 345214 ; 349113 ;
Abstract
A display device (10) having first and second substrates (12) and (30) and a layer of a PSCT or PFCT liquid crystal material disposed therebetween. The display is driven by an addressing scheme in which voltages are applied either in phase or out of phase in order to switch the liquid crystal material between stable states.