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, 2007
Filed:
Mar. 24, 2004
Toshiaki Shibue, Hino, JP;
Makoto Honda, Hino, JP;
Nobuo Kubo, Hino, JP;
Noriyasu Kuzuhara, Hino, JP;
Hiroki Umeda, Hino, JP;
Sota Kawakami, Hino, JP;
Takatoshi Yajima, Hino, JP;
Toshiaki Shibue, Hino, JP;
Makoto Honda, Hino, JP;
Nobuo Kubo, Hino, JP;
Noriyasu Kuzuhara, Hino, JP;
Hiroki Umeda, Hino, JP;
Sota Kawakami, Hino, JP;
Takatoshi Yajima, Hino, JP;
Konica Corporation, Tokyo, JP;
Abstract
A film for a liquid crystal display comprising a fatty acid cellulose ester film having an acetyl group and a propionyl group is disclosed. Sum of degree of acetyl substitution (DSac) and degree of propionyl substitution (DSpr) of the fatty acid cellulose ester film of the film is 2.8 or less, and a retardation value (Rt value) in the thickness direction define by Formula 1 is 60 to 300 nm.