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:
Dec. 08, 1998
Filed:
Oct. 20, 1994
Applicant:
Inventors:
Susumu Ohi, Tokyo, JP;
Hiroshi Shiba, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
345 98 ; 345 88 ; 348674 ;
Abstract
In a liquid crystal display apparatus, the gamma characteristics of an image signal is changed each two frames, so that a driving voltage obtained from the changed gamma characteristics is applied to a liquid crystal. A wide viewing field angle can electrically be realized.