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:
Sep. 23, 1980
Filed:
Aug. 23, 1978
Applicant:
Inventor:
Charles R Stein, Schenectady, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
340765 ; 340805 ; 350332 ; 350336 ;
Abstract
A liquid crystal display is provided wherein dark characters, symbols and other indicia are displayed against a light background. The electrodes of the display are driven by sinusoidal or square waveforms of multiple frequencies and/or multiple phases in manner such that the electrode leads are essentially invisible during display operation.