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. 24, 2001
Filed:
Sep. 30, 1996
Applicant:
Inventors:
Sukekazu Aratani, Hitachi, JP;
Yoshiyuki Umeda, Hitachi, JP;
Hiroyuki Kagawa, Hitachi, JP;
Hisao Yokokura, Hitachi, JP;
Katsumi Kondo, Hitachinaka, JP;
Shigeru Matsuyama, Mobara, JP;
Masahito Oh-e, Mobara, JP;
Assignee:
Hitachi, Ltd, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1333 ;
U.S. Cl.
CPC ...
G02F 1/1333 ;
Abstract
A liquid crystal display having a wide viewing angle, a large contrast ratio, and little nonuniformity of display, is formed by a pair of substrates, and a liquid crystal layer interposed between the pair of substrates, wherein at least one of the pair of substrates has plural electrodes, a passivation layer formed on the plural electrodes, and an insulating layer formed at concave portions of the passivation layer for making the thickness of the liquid crystal layer uniform.