| 摘要 |
An optically-compensatory film comprising: a cyclic polyolefin film satisfying expression (I); and a cellulose acylate film satisfying expressions (II) and (III), or a liquid-crystal display device comprising at least one cyclic polyolefin film satisfying expression (I) and at least one cellulose acylate film satisfying expressions (II) and (III): <?in-line-formulae description="In-line Formulae" end="lead"?>35<=RE<SUB>(630)</SUB><=350 and 70<=RTH<SUB>(630)</SUB><=400, (I)<?in-line-formulae description="In-line Formulae" end="tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>0<=RE<SUB>(630)</SUB><=10 AND |RTH<SUB>(630)</SUB>|<=25, and (II)<?in-line-formulae description="In-line Formulae" end="tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>|Re<SUB>(400)</SUB>-Re<SUB>(700)</SUB>|<=10 AND |Rth<SUB>(400)</SUB>-Rth<SUB>(700)</SUB>|<=35, (III)<?in-line-formulae description="In-line Formulae" end="tail"?> wherein Re(lambda) represents an in-plane retardation value (unit:nm) at a wavelength of lambda nm; and Rth(lambda) represents a thickness-direction retardation value at a wavelength of lambda nm.
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