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:
May. 02, 2006
Filed:
Dec. 04, 2002
Noriyasu Kuzuhara, Hino, JP;
Koji Tasaka, Hino, JP;
Hiroki Umeda, Hino, JP;
Takatoshi Yajima, Hino, JP;
Noriyasu Kuzuhara, Hino, JP;
Koji Tasaka, Hino, JP;
Hiroki Umeda, Hino, JP;
Takatoshi Yajima, Hino, JP;
Konica Corporation, Tokyo, JP;
Abstract
A polarizing plate used in a vertical alignment mode liquid crystal display comprising a liquid crystal cell is disclosed, wherein the polarizing plate comprises a polarizing film and a mixed fatty acid cellulose ester film with optical biaxiality provided between the polarizing film and the liquid crystal cell, and wherein the mixed fatty acid cellulose ester film has a retardation in plane Rof from 31 to 120 nm, and a retardation in the thickness direction Rt of from 60 to 300 nm, in which Ris represented by the following formula (1) and Rt is represented by the following formula (2):0=()  formula (1)={()/2−  formula (2)