abstract |
PROBLEM TO BE SOLVED: To substantially eliminate a display unevenness and a change in visibility due to humidity that occur when incorporated in a liquid crystal display device in an unstretched and stretched cellulose acylate film formed by melting. SOLUTION Formed by melt casting, Re unevenness is 0 to 10%, Rth unevenness is 0 to 10%, thickness unevenness is 0 to 2%, or Re and Rth humidity change rate is 0 to 1.5% / % RH. [Selection figure] None |