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. 07, 1989
Filed:
Mar. 25, 1988
Applicant:
Inventors:
Assignee:
Alps Electric Co., Ltd., , JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350334 ; 350336 ; 350338 ; 350344 ; 3503 / ;
Abstract
Disclosed is a liquid crystal element using a film transistor as a switching element, the liquid crystal element comprising two substrates opposed to each other, film transistors and spacers disposed on the opposed surface of one of the substrates, a transparent electrode formed on the opposed surface of the other substrate, a metal wiring formed simultaneously with a light shield of a film transistor or an upper metal layer of the spacer, the metal wiring having one end disposed between the film transistor or spacer and the transparent electrode whereas the other end thereof extends to the peripheral edge of the one substrate.