Polycarbonate resin composition and molded article produced therefrom

A polycarbonate resin composition comprising:

• a polycarbonate component, which comprises an aromatic polycarbonate resin and a copolymerized polycarbonate resin comprising a repeat unit represented by Formula 1 and a repeat unit represented by Formula 2;
• and
• a flame retardant,
• wherein the polycarbonate component comprises the aromatic polycarbonate resin in an amount of about 30 wt % to about 70 wt % and the copolymerized polycarbonate resin in an amount of about 30 wt % to about 70 wt %,
• wherein, in the copolymerized polycarbonate resin, the repeat unit represented by Formula 1 is present in an amount of about 5 mol % to about 70 mol % and the repeat unit represented by Formula 2 is present in an amount of about 30 mol % to about 95 mol %, and
• the polycarbonate resin composition having:
• a scratch width of 290 μm or less as measured by Ball Scratch Profile (BSP) test;
• a pencil hardness rating of F or higher;
• a flame retardancy level of V-0 or higher as measured on a 2.0 mm thick specimen according to UL94;
• a Vicat softening temperature (VST) of 102.5° C. or more, as measured in accordance with ASTM D1525;
• and a transmittance of about 85% or more as measured in accordance with ASTM D1003,
• wherein R1 and R2 are the same or different and each independently substituted or unsubstituted C1 to C6 alkyl, and a and b are the same or different and each independently an integer from 1 to 4.