Importance

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Abstract

An optical film includes a light incidence surface and a light exit surface. The light incidence surface is provided thereon with a plurality of microstructure lenses, which are each of an irregular shape showing a curved or arc configuration raised on and projecting from the light incidence surface of the optical film. The light exit surface is provided with a plurality of prism microstructures. When light gets incident onto the microstructure lenses formed on the light incidence surface of the optical film according to the present invention, the microstructure lenses scatters the light incident thereon to get into the optical film. The light exits through the light exit surface and is condensed by the microstructure lenses arranged on the light exit surface, so as to achieve uniform diffusion of light and enhanced brightness.

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First Claim