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:
Nov. 03, 1998
Filed:
Feb. 03, 1997
Applicant:
Inventors:
Assignee:
Hosiden Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
345211 ; 345204 ;
Abstract
In a common potential stabilizing active matrix liquid crystal display device, the common potential is detected via a common potential detecting terminal provided at the perimeter of the common electrode, the detected potential is compared with a reference potential and the difference is amplified by an amplifier and is negatively fed back to a common potential supply terminal provided at the perimeter of the common electrode.