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. 30, 2008
Filed:
Aug. 24, 2006
Takashi Murakami, Hachioji, JP;
Hiroki Umeda, Hino, JP;
Takashi Murakami, Hachioji, JP;
Hiroki Umeda, Hino, JP;
Konica Minolta Opto, Inc., Tokyo, JP;
Abstract
A liquid crystal display device comprising a liquid crystal display in which polarizing plates A and B are provided so as to be held between a vertical orientation mode crystal cell and the corresponding liquid crystal cell, wherein the polarizing layer A comprises the polarizing plate protective films Aand Aand the polarizing layer B comprises the polarizing plate protective films Band B, and at least one of the polarizing plate protective films Aand Bthat are disposed at the liquid crystal cell side is a cellulose ester film Y that simultaneously satisfies the condition that retardation value Ro is 0 to 10 nm and Rt is −20 to 20 nm shown by the equation below, and at least one of the polarizing plate protective films Aand Bis the optical compensation film W which has an optically anisotropic layer.