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. 20, 2004
Filed:
Jun. 01, 2001
Applicant:
Inventors:
Keiichirou Ashizawa, Mobara, JP;
Hideki Kuriyama, Mobara, JP;
Takeshi Tanaka, Chiba, JP;
Yuuichi Hashimoto, Mobara, JP;
Mitsuo Nakatani, Mobara, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/136 ;
U.S. Cl.
CPC ...
G02F 1/136 ;
Abstract
In a liquid crystal display device having a thin film transistor in a pixel region thereof, the present invention arranges a semiconductor layer being located under a source electrode in the thin film transistor within a contour of a gate line (or a gate electrode of the thin film transistor) so as to suppress a photo conductive current in the semiconductor layer, or to prevent the source electrode from being broken at a position where the source electrode gets over the semiconductor layer.