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. 30, 1989
Filed:
Jul. 02, 1987
Applicant:
Inventors:
Kent R Demke, Colorado Springs, CO (US);
Neil D Lubart, Austin, TX (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350333 ; 350332 ; 350334 ; 350345 ; 3503 / ;
Abstract
There is disclosed a technique for improving user perceived quality of an LCD device comprising optimizing the electrode width and inter-electrode spacing, and simultaneously causing inter-electrode spaces and information to appear dark while the background appears bright.