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:
Mar. 22, 1994
Filed:
Jul. 12, 1993
Applicant:
Inventors:
Yukiko Ichimura, Nara, JP;
Kojiro Tsubota, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
359 67 ; 359 54 ; 359 68 ; 359 87 ;
Abstract
First display electrodes are formed on a first electrode substrate. Second display electrodes are formed on a second electrode substrate in such a direction as to intersect at right angles with the first display electrodes. In order to obtain a liquid crystal display device provided with a screen having a large contrast ratio, masking films for intermittently masking regions between the display electrodes, formed on at least one of the first electrode substrate, and the second electrode substrate are formed on the display electrodes on the other electrode substrate.