Patent ID: 9581734
Date: 2017-02-28
CPC Classifications: C08J,C08K,C08L,G02B

Claim:
1. An optical film comprising: an ultraviolet light absorbent having a first peak with a maximum absorption coefficient of 0.07 to 0.10 phr an acrylic resin, wherein the content of the ultraviolet light absorbent is 0.3 to 1.0 parts by weight with respect to 100 parts by weight of the acrylic resin, wherein the ultraviolet light absorbent consists of one or more compounds selected from the group consisting of a compound represented by the following Chemical Formula 1 and a compound represented by Chemical Formula 2: wherein, in Chemical Formula 1, R in Chemical Formula 2, R wherein the ultraviolet light absorbent has a molecular weight of 400 to 600 g/mol, and wherein the optical film has transmittance of 5.5% or less at a wavelength of 290 nm and at a wavelength of 380 nm when measured after conversion into a thickness of 50 μm.