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Title:
広視野角補償フィルム及びそれを用いてなる透過型液晶表示装置
Document Type and Number:
Japanese Patent JP4792777
Kind Code:
B2
Abstract:
A wide-viewing angle compensation film contains a polarizing plate and an optical compensation film which exhibits negative birefringence and has an in-plane retardation (Re1) of 60-220 nm and an orientation parameter (Nz) in the range of 0±0.05, the optical compensation film exhibiting negative birefringence and the polarizing plate being stacked so that the slow axis of the compensation film is perpendicular or parallel to the absorption axis of the polarizing plate; and a transmission type liquid-crystal display contains a liquid-crystal cell and the wide-viewing angle compensation film disposed on at least one side of the cell.

Inventors:
Naoto Ohara
Nobuyuki Toyomasu
Application Number:
JP2005088595A
Publication Date:
October 12, 2011
Filing Date:
March 25, 2005
Export Citation:
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Assignee:
Tosoh Corporation
International Classes:
G02B5/30; C08F222/40; C08L25/12; C08L39/04; G02F1/13363
Domestic Patent References:
JP2002258041A
JP2002341140A
JP2004157523A