Brightness enhancement film having a light-guiding structure
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United States of America Patent
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Sep 11, 2007
Grant Date -
Mar 15, 2007
app pub date -
Sep 20, 2005
filing date -
Sep 13, 2005
priority date (Note) -
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Abstract
A brightness enhancement film having a light-guiding structure includes a substrate, which has a light-guiding layer and a plurality of light-refracting microstructures. The substrate has a light incident surface and a light emission surface opposite thereto. The light-refracting microstructures are arranged on the light incident surface of the substrate and are provided for varying surface curvatures to refract incident light. The light-guiding layer is arranged on the light emission surface of the substrate and is provided for guiding refracted light to generate homogeneous light to emit therefrom.
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