Patent ID: 8304494

Claim:
A polycarbonate resin composition comprising about 40 to about 99% by weight of a polycarbonate resin (A), and about 1 to about 60% by weight of an acrylic copolymer (B) having a high refractive index, wherein said acrylic copolymer (B) comprises a copolymer or a combination of copolymers prepared by copolymerizing about 5 to about 99.9% by weight of one or more aromatic methacrylate or aliphatic methacrylate monomers (b1) comprising phenoxy methacrylate, phenoxy ethyl methacrylate, 2-ethylphenoxy methacrylate, 2-ethylthiophenyl methacrylate, 2-ethylaminophenyl methacrylate, phenyl methacrylate, benzyl methacrylate, 2-phenylethyl methacrylate, 3-phenylpropyl methacrylate, 4-phenylbutyl methacrylate, 2-2-methylphenylethyl methacrylate, 2-3-methylphenylethyl methacrylate, 2-4-methylphenylethyl methacrylate, 2-(4-propylphenyl)ethyl methacrylate, 2-(4-(1-methylethyl)phenyl)ethyl methacrylate, 2-(4-methoxyphenyl)ethyl methacrylate, 2-(4-cyclohexylphenyl)ethyl methacrylate, 2-(2-chlorophenyl)ethyl methacrylate, 2-(3-chlorophenyl)ethyl methacrylate, 2-(4-chlorophenyl)ethyl methacrylate, 2-(4-bromophenyl)ethyl methacrylate, 2-(3-phenylphenyl)ethyl methacrylate, 2-(4-benzylphenyl)ethyl methacrylate, or a combination thereof, about 0 to about 94.5% by weight of one or more unsaturated monomers (b2), and about 0.1 to about 40% by weight of one or more acrylic monomers (b3) with high fluidity represented by the following Formula 3: wherein m is 11 to 20, and Z 1 and Z 2 are each independently methyl or hydrocarbon.