Patent ID: 8142884
Filing Date: 2012-03-27
Classification: C09J,Y10T

Abstract:
1. A release film comprising: a film substrate; an anchor layer; and a release layer, said anchor layer and said release layer being formed in order on said film substrate, average luminous reflectance of said release film on a surface of a side on which said release layer is formed being in the range of 0.5-2.5%, a spectral reflectance curve of said release film on the surface of the side on which said release layer is formed having a local minimal value and no local maximal value in the wavelength of 400-800 nm, a reflection hue of said release film on the side on which the release layer is formed satisfying both −8≦a*≦8 and −16≦b*≦8 in the L*a*b* color coordinate system, a refractive index of said release layer being smaller than a refractive index of said film substrate, the difference in refractive index between said release layer and said substrate being in the range of 0.04-0.27, an optical thickness of said release layer being in the range of 113-225 nm, and an optical thickness of said anchor layer being in the range of 5-45 nm.