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BRIGHTNESS ENHANCEMENT FILM

  • US 20080088934A1
  • Filed: 11/15/2006
  • Published: 04/17/2008
  • Est. Priority Date: 10/12/2006
  • Status: Abandoned Application
First Claim
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1. A brightness enhancement film, comprising;

  • a substrate; and

    a brightness enhancement structure disposed on a surface of the substrate, wherein a surface of the brightness enhancement structure has a plurality of first grooves along a first direction and a plurality of second grooves along a second direction perpendicular to the first direction, so as to define a plurality of pyramid-shaped prism units, wherein a part of the first grooves have a first groove depth, and a part of the second grooves have a second groove depth which is not equal to the first groove depth.

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