Patent ID: 9459389
Filing Date: 2016-10-04
CPC Classification: G02B,H01L

Claim Text:
1. A polarizing plate for an organic EL panel, comprising: a polarizer; and a retardation film, wherein: in-plane retardations of the retardation film satisfy a relationship of Re(450)<Re(550); and an angle θ formed between an absorption axis of the polarizer and a slow axis of the retardation film satisfies a relationship of 38°≦θ≦44° or of 46°≦θ≦52°, where the angle θ formed between an absorption axis of the polarizer and a slow axis of the retardation film is not 45°; where Re(450) represents an in-plane retardation measured at 23° C. with light having a wavelength of 450 nm and Re(550) represents an in-plane retardation measured at 23° C. with light having a wavelength of 550 nm.