| 简介 |
A polymer film that has an in-plane retardation Re(λ) and a thickness-direction retardation Rth(λ) satisfying formula (i) and (ii), and that further has a surface energy of at least one surface is from 50 mN/m to 80 mN/m : (i) 0<=Re(630)<=10, and |Rth(630)|<=25; and (ii) |Re(400) - Re(700)<=10, and |Rth(400) - Rth(700)|<=35. in the formulae, Re(λ) and Rth(λ) are measurement values at the wavelength of λ nm, and an optically-compensatory film, an optical material such as a polarizer and a liquid-crystal display device using the polymer film.
© KIPO & WIPO 2007 |
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