Resin film, production method thereof, polarizing plate and liquid crystal display device
申请人:Fukagawa Nobutaka
公开号:US20070290168A1
公开(公告)日:2007-12-20
A resin film has a photoelastic coefficient of from 0 to 30×10
−8
cm
2
/N; and Re satisfying the following formulae (1) to (4):
20 nm<
Re
(548)<300 nm : Formula (1)
0.5<
Re
(446)/
Re
(548)<1 : Formula (2)
1.0<
Re
(629)/
Re
(548)<2.0 : Formula (3)
0.1%≦[
Re
(548) at 25° C., 10% RH−
Re
(548) at 25° C., 80% RH}/
Re
(548) at 25° C., 60% RH]≦20%, : Formula (4)
wherein Re(λ) represents an in-plane retardation at a wavelength of λ.