A transparent film has been issued a patent. The film comprises a thermoplastic resin with a substituted or non-substituted imide group at a side chain of the resin and a thermoplastic resin with a substituted or non-substituted phenyl group and a nitrile group at a side chain of the resin. A retardation value of the film is from 0 to 1000 nm, a light transmission of the film is 85% or more and a haze of the film is 2% or less.