Patent ID: 7045216
Filing Date: 2006-05-16
Classification: G02B,Y10T

Abstract:
1. A polarizing plate comprising a polarizing film made of polyvinyl-alcohol or a derivative thereof, a protective film mainly composed of a resin made of cyclic-olefin or a derivative thereof and laminated on at least one side of the polarizing film, an anchor coat agent layer, and an adhesive layer: wherein the anchor coat agent layer and the adhesive layer interposed between the polarizing film and the protective film; wherein the amount of change in optical in-plane retardation of the protective film is 5 nm or less after 24 hours in an atmosphere of 80° C., and the wetting tension of the surface to be laminated of the protective film is 500 μN/cm (23° C.) or more; wherein the anchor coat agent is made of a polyester polyol and polyisocyanate; and wherein the adhesive is made of polyvinyl-alcohol or a derivative thereof.