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Display devices with grooved luminance enhancement film

  • US 8,714,780 B2
  • Filed: 04/20/2010
  • Issued: 05/06/2014
  • Est. Priority Date: 04/22/2009
  • Status: Active Grant
First Claim
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1. A display assembly comprising:

  • (a) a display panel which comprises an array of display cells filled with a display fluid;

    (b) a luminance enhancement structure on the viewing side of the display device, wherein said luminance structure comprises columns and grooves in alternating order and each of said grooves has a cross-section comprising an apex angle and two edge lines; and

    at least one of (c) and (d);

    (c) at least an auxiliary layer; and

    (d) edging sealing,wherein said luminance enhancement structure has a one dimensional configuration and the two edge lines comprise two or more segments of straight line and the different segments of the straight line have different edge line angles.

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