BRIGHTNESS ENHANCEMENT FILM HAVING A LIGHT-GUIDING STRUCTURE

摘要

Brightness enhancement film having a light guide structure, the light guiding layer and a plurality of light - a substrate having a refractive microstructure. The substrate has a light emitting face to the light incidence side and the other side. The light-refractive microstructures are arranged on the light incident surface of the substrate is provided with different surface curvatures so as to refract the incident light. Light-guiding layer is arranged on the light emitting face of the substrate, it is provided to guide the refracted light to generate a homogeneous light emission therefrom.