Colecciones nacionales e internacionales de patentes

1. (WO2008096694) PHASE DIFFERENCE FILM, POLARIZING PLATE USING THE PHASE DIFFERENCE FILM, AND LIQUID CRYSTAL PANEL

Pub. No.:    WO/2008/096694    International Application No.:    PCT/JP2008/051732
Publication Date: Fri Aug 15 01:59:59 CEST 2008 International Filing Date: Tue Feb 05 00:59:59 CET 2008
IPC: G02B 5/30
C08J 5/18
G02F 1/1335
G02F 1/13363
Applicants: JSR CORPORATION
JSR株式会社
TAMURA, Ryo
田村 亮
USHINO, Takuhiro
牛野 卓浩
Inventors: TAMURA, Ryo
田村 亮
USHINO, Takuhiro
牛野 卓浩
Title: PHASE DIFFERENCE FILM, POLARIZING PLATE USING THE PHASE DIFFERENCE FILM, AND LIQUID CRYSTAL PANEL
Abstract:
This invention provides a phase difference film which, even in a thin film form, has excellent heat resistance and fastness, and a polarizing plate produced by using the phase difference film and a liquid crystal panel. The phase difference film is characterized in that it is a cyclic olefinic polymer film having a thickness of not more than 30 μm and, when the tensile force in the yield point in a tensile test in a direction perpendicular within a plane to the maximum refractive index direction within the film plane using a dumbbell No. 2 test specimen according to JIS K 7127 and K 7161 is not less than 8 N.