UNIAXIALLY ORIENTED MULTI-LAYER LAMINATE FILM

摘要

[Problem] To provide a uniaxially oriented multi-layer laminate film with a higher brightness in the forward direction than before and a uniaxially oriented multi-layer laminate film laminate body formed therefrom. [Solution] Provided is a uniaxially oriented multi-layer film of 251 or more layers in which a first layer and a second layer are alternately stacked. The first layer is formed from a layer having a polyester including 2, 6-naphtalene dicarboxylic acid as a configuration component, and the second layer has a thermoplastic resin as a configuration component, said thermoplastic resin having an average refractive index of 1.60-1.65, and a negative optical anisotropy or isotropy. The average reflective index for light which enters at zero degrees and 50 degrees for an S polarized light component is respectively 90% or more. The average reflective index for light which enters at zero degrees for a P polarized light is 15% or less, and the average reflective index which enters at 50 degrees for the P polarized light is 20% or more.