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Brightness enhancement film using light concentrator array

  • US 20050185416A1
  • Filed: 02/24/2004
  • Published: 08/25/2005
  • Est. Priority Date: 02/24/2004
  • Status: Abandoned Application
First Claim
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1. A brightness enhancement film comprising an array of tapered structures, each said tapered structure having a light input aperture and a larger light output aperture, wherein the inner surface of each said tapered structure is adapted to reflect off-axis light incident at said input aperture to said output aperture.

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