Patent ID: 8080608

Claim:
An optical film wherein the film comprises a polymerized microstructured surface comprising the reaction product of a polymerizable resin composition comprising at least one (meth)acrylate monomer comprising a phenyl ethylene group, wherein the (meth)acrylate monomer has a refractive index of at least 1.54 and a structure is selected from: A) wherein R is an optional substituent; t ranges from 0 to 5; R3 is H or a substituent; L is a C2-C12 alkyl group optionally substituted with one or more hydroxyl groups; n ranges from 0 to 10; and R1 is H or CH 3 ; or B) wherein R4 is a substituent comprising a (meth)acrylate group, p independently ranges from 0 to 2 provided one p is at least 1; R is an optional substituent; t ranges from 0 to 5; and R3 is H or a substituent.