| abstract |
The present invention relates to a polarizing film having a transparent resin layer on at least one side of a polarizer having a thickness of 10 μm or less, the polarizer containing polyvinyl alcohol resin, and having a single transmittance T and a degree of polarization P The optical properties represented are constituted by satisfying the conditions of the following formula: P>-(10 0.929T-42.4-1 )×100 (wherein, T<42.3), or P≥99.9 (wherein, T≥42.3), the above-mentioned transparent resin The layer is formed of a transparent resin layer forming material containing an aqueous emulsion resin, and has a hardness of 0.01 GPa or more. The polarizing film of the present invention suppresses generation of defects such as nano slits in a polarizing film using a thin polarizer, and suppresses reduction in optical properties in a heating and humidifying test, and has high optical reliability. |