LAMINATED RETARDATION FILM

摘要

PROBLEM TO BE SOLVED: To provide a laminated retardation film that can suppress aging of phase difference.SOLUTION: A laminated retardation film includes a urethane resin layer that is composed of a urethane resin and has 650 nm or more of phase difference per thickness 100 μm with respect to light of wavelength 550 nm, and a base material resin layer.SELECTED DRAWING: None