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:
Jan. 05, 1993
Filed:
Jul. 05, 1991
Applicant:
Inventors:
Hideaki Taniguchi, Mobara, JP;
Kazuo Shirahashi, Mobara, JP;
Yuka Matsukawa, Mobara, JP;
Haruo Matsumaru, Tokyo, JP;
Akira Sasano, Tokyo, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
257 59 ; 252 72 ; 252761 ;
Abstract
An active matrix liquid crystal display device with a plurality of thin-film transistors each including a gate electrode of an upper aluminum film and a lower tantalum film formed over a glass substrate and a gate insulator of an upper silicon nitride film and a lower anodized oxide film of the aluminum film.
Taniguchi, Hideaki. (1993). Liquid crystal display device with tft's each including a ta gate (U.S. Patent No. 5177577). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5177577
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile