CELLULOSE ACYLATE SOLUTION AND ITS PREPARATION METHOD, CELLULOSE ACYLATE FILM AND ITS MANUFACTURING METHOD, OPTICAL COMPENSATION FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE

摘要

PROBLEM TO BE SOLVED: To manufacture a cellulose acylate film being high in the degree of orientation in the film thickness direction, little in optical unevenness and high in transparency and to make an optical film being little in display unevenness when used as a film for a liquid crystal display.;SOLUTION: This cellulose acylate film has a degree of orientation P_2(th) of the film thickness direction satisfying expression 1: 0.085+0.5×P_2(xy)≤P_2(th)≤0.5 (expression 1) and has a haze value of ≤1.0% .;COPYRIGHT: (C)2008,JPO&INPIT