Protective, diffusive film and process for producing the same

摘要

There is provided a protective, diffusive film for use in a surface light source device provided with a lens film, said protective, diffusive film comprising: a transparent substrate layer; and a resin layer provided on at least one of the top surface and the under surface of the transparent substrate layer, the resin layer having a tensile elongation at break in the range of 20% to 200%.