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Display systems including light enhancing structures with arrays of elongate features

  • US 20070086207A1
  • Filed: 11/08/2006
  • Published: 04/19/2007
  • Est. Priority Date: 01/13/2006
  • Status: Abandoned Application
First Claim
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1. A display apparatus comprising:

  • a light guide;

    a spatial light modulator comprising an array of pixels, said pixel array comprising a plurality of rows of pixels; and

    an optical member comprising a substantially optically transmissive material having a surface, a first plurality of non-intersecting elongate features in said surface, and a second plurality of non-intersecting elongate features in said surface, said first plurality of non-intersecting elongate features angled with respect to said second plurality of non-intersecting elongate features, each of said non-intersecting elongate features in said first plurality extending across said second plurality of non-intersecting features thereby forming total internal reflection structures, wherein said first plurality of non-intersecting elongate features and said second plurality of non-intersecting elongate features are oriented at an angle with respect to said rows of pixels.

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