Patent ID: 8349439

Claim:
A biaxially oriented multilayered film comprising: at least one polyester resin layer (A layer) comprising a black component and an amorphous polyester resin or a resin having a melting point of not higher than 240° C., and having a thickness of not less than 20 μm and not more than 300 μm: and at least one substantially colorless and transparent polyester resin layer (B layer) and having a thickness of not less than 0.5 μm and not more than 200 μm; said A layer and said B layer being, arranged adjacent to each other and surface roughness Ra of at least one surface of said film is not less than 1 nm and not more than 25 nm, and wherein at least one surface thereof has an L*(SCI) of not less than 29 and not more than 35, L*(SCE) of not less than 2 and not more than 15, and L*(SCI)/L*(SCE) of not less than 3 and not more than 17.