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:
Feb. 09, 2010
Filed:
Sep. 08, 2005
Masaru Yoshikawa, Minami-ashigara, JP;
Hiroshi Takeuchi, Minami-ashigara, JP;
Mitsuyoshi Ichihashi, Minami-ashigara, JP;
Masaru Yoshikawa, Minami-ashigara, JP;
Hiroshi Takeuchi, Minami-ashigara, JP;
Mitsuyoshi Ichihashi, Minami-ashigara, JP;
Fujifilm Corporation, Minato-Ku, Tokyo, JP;
Abstract
An optical compensation film capable of contributing to improvement in a viewing angle characteristic of a liquid crystal display device, especially an IPS mode liquid crystal display device is proposed. A composition comprises at least one onium salt, at least one rod-like liquid crystalline compound, and at least one additive capable of promoting a vertical alignment of molecules of the rod-like liquid crystalline compound at an air interface; and an optical compensation film comprising an optically anisotropic layer formed of the composition are disclosed.