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. 08, 2002
Filed:
Sep. 09, 1999
Koichi Ono, Kyoto, JP;
Koji Terumoto, Kyoto, JP;
Rohm Co., Ltd., Kyoto, JP;
Abstract
To provide a liquid crystal display device which can remove leakage of light from a sealant portion in a negative-type display to improve the appearance of an image. Where a large-scale display is composed of a large number of liquid crystal display devices, to provide the liquid crystal display device which can surely make light-proof to the joints to constitute such a large-scale display with an excellent display characteristic. Electrode patterns and are formed on inner surfaces of two insulating base plates and . These two insulating base plates and sandwiches a liquid crystal layer to constitute a liquid crystal panel . A light-shielding mask is provided at the end of the liquid crystal panel from which no electrode pattern is introduced so that it sandwiches the insulating plates and from both sides of the liquid crystal panel