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:
Dec. 26, 2006
Filed:
Jan. 09, 2004
Hideyuki Nishikawa, Kanagawa, JP;
Atsuhiro Ohkawa, Kanagawa, JP;
Hideyuki Nishikawa, Kanagawa, JP;
Atsuhiro Ohkawa, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Minami-Ashigara, JP;
Abstract
A retardation plate having a high film strength and having an optical property is provided by using a biaxial liquid crystal compound, in which the direction having a minimum refractive index of the optically anisotropic thin layer almost coincides with the normal direction in the film plane of the retardation plate, and the retardation plate comprises a transparent support and at least one optically anisotropic layer containing a liquid crystal compound capable of expressing a biaxial liquid crystal phase, wherein the liquid crystal compound is a polymerizable compound and/or a polymer compound.