ポリマーフィルム、位相差フィルム、偏光板、液晶表示装置、Ｒｔｈ発現剤及びメロシアニン系化合物

摘要

Disclosed is a polymer film excellent in performance of inducing Rth. The polymer film comprises at least one species of a compound represented by the formula (I) and a compound represented by the formula (I′):