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. 01, 2002
Filed:
Sep. 26, 1996
Takashi Iwamura, Kanagawa, JP;
Nobuhiro Kihara, Kanagawa, JP;
Takeshi Yamasaki, Kanagawa, JP;
Katsuya Shirai, Kanagawa, JP;
Keiichi Nito, Tokyo, JP;
Masanobu Yamamoto, Kanagawa, JP;
Akio Yasuda, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
In a liquid crystal device in which a pair of substrates each having an electrode and a liquid crystal orientation control layer are disposed opposite to each other leaving a predetermined gap therebetween and liquid crystal is disposed in the gap, a plurality of grooves are formed on each of the inner surface contacting the liquid crystal, the section of the inner surfaces in a direction along the grooves has such a shape that repetitive asymmetrical projections are formed and the radius of curvature of the grooves in a direction intersecting the grooves is set to 0.1 &mgr;m or more.