Cellulose acylate film, a polarizing plate and a liquid crystal display device

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PROBLEM TO BE SOLVED : To provide a polarizing plate having small change in contrast, color and angle of field by heat/humidity and a liquid crystal display device not causing problems such as optical leakage and having wide angle of field and high display quality appearance. SOLUTION : The cellulose acylate film comprises at least one retardation-raising agent, and in-plane retardation Re and retardation Rth in a thickness direction satisfy the formula A : 30COPYRIGHT : (C)2006, JPO&NCIPI