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:
Apr. 27, 1999
Filed:
Dec. 01, 1995
Applicant:
Inventor:
Reinder Smid, Heerlen, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ; G02F / ;
U.S. Cl.
CPC ...
349143 ; 349149 ; 349 34 ;
Abstract
Display device comprising an electro-optical medium, for example an LCD of the (super)twisted nematic type in which the capacitive influence on the switching behaviour of extra (dummy) electrodes employed to neutralize the difference in electro-optical behaviour (discoloration) is compensated by giving the extra electrodes a fixed voltage or by providing a pattern of the dummy electrodes on the other substrate, particularly on non-overlapping parts of the picture electrodes.