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:
Aug. 12, 2008
Filed:
Mar. 20, 2006
Applicant:
Akihiro Matsufuji, Minami-Ashigara, JP;
Inventor:
Akihiro Matsufuji, Minami-Ashigara, JP;
Assignee:
Fujifilm Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/13363 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical compensation sheet is provided and includes: a cellulose acylate film having optical anisotropy and meeting all of requirements represented by the following expressions (1) to (3); and an optically anisotropic layer having a slow axis orthogonal to a slow axis of the cellulose acylate film.2.6≦<3.0  Expression (1)0≦≦1.8  Expression (2)1.0≦<3.0  Expression (3)X represents a substitution degree of acetyl group and Y represents a total sum of substitution degrees of propionyl, butanoyl, pentanoyl and hexanoyl groups.