| abstract |
Aromatic vinyl monomers; Acid anhydride-based monomers; And the comonomer copolymerizable with the aromatic vinyl monomer or the acid anhydride monomer, wherein the optical film has an in-plane retardation of 15 nm or less in Formula 1, a retardation in the thickness direction of -150 nm to -10 nm in Formula 2, An optical film having a glass transition temperature of 110 DEG C to 150 DEG C and a total light transmittance of 90% or more, a display device including the optical film, and a display device including the same. |