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Replicated bragg selective diffractive element for display illumination

  • US 20100141868A1
  • Filed: 10/20/2009
  • Published: 06/10/2010
  • Est. Priority Date: 10/21/2008
  • Status: Abandoned Application
First Claim
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1. A system for a display, comprising:

  • an illumination source;

    a light guide, wherein the illumination source inserts illumination into the light guide; and

    a diffractive element, wherein the diffractive element extracts illumination from the light guide, and wherein the diffractive element comprises a slanted diffractive structure, wherein one or more properties of the slanted diffractive structure vary across a surface of the light guide.

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