PHASE DIFFERENCE FILM, COMPOSITION, MANUFACTURING METHOD OF PHASE DIFFERENCE FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide a phase difference film that can express high contrast and phase difference, composition, manufacturing method of a phase difference film, polarizing plate, and liquid crystal display device.SOLUTION: There is provided a phase difference film formed of a composition including a polymer compound, rod-like liquid crystal compound, and photoreactive compound, where the polymer compound has a side chain having one or more azo groups and/or cinnamate groups and three or more and 10 or less arylene groups; the side chain further has an amino group that many be substituted or a hydrocarbon group at the terminal; the absolute value of the difference between the SP value of the polymer compound and the SP value of the photoreactive compound is 1.1 or less; the in-plane retardation at a wavelength of 550 nm is 10 nm or more and 200 nm or less.SELECTED DRAWING: None 【課題】高いコントラストとともに位相差を発現できる位相差フィルム、組成物、位相差フィルムの製造方法、偏光板および液晶表示装置を提供すること。【解決手段】高分子化合物と棒状液晶化合物と光反応性化合物とを含む組成物から形成した位相差フィルムであって、上記高分子化合物は、１個以上のアゾ基および／またはシンナメート基と３個以上１０個以下のアリーレン基とを有する側鎖を有し、上記側鎖はさらに、置換されていてもよいアミノ基、または炭化水素基を末端に有し、上記高分子化合物のＳＰ値と上記光反応性化合物のＳＰ値との差の絶対値は１．１以下であり、かつ波長５５０ｎｍにおける面内レタデーションが１０ｎｍ以上２００ｎｍ以下である位相差フィルム。【選択図】なし