Patent ID: 9658377
Date: 2017-05-23
CPC Classifications: B29C,B29D,B29K,B32B,G02B,G02F

Claim:
1. A phase difference film layered body comprising: an A layer consisting of a resin having a positive intrinsic birefringence value; a B layer consisting of a resin containing a styrene polymer and having a negative intrinsic birefringence value; and a C layer consisting of a resin containing a polymer having an alicyclic structure, in this order; wherein, a layer portion that is a portion of the layered body other than the C layer has retardation Re at an incident angle of 0° and retardation R the B layer and the C layer are in direct contact with each other, the resin containing the polymer having an alicyclic structure contains particles, and an average primary particle diameter of the particles is equal to or larger than 0.3 μm and equal to or smaller than 1.0 μm.