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Luminescent stacked waveguide display

  • US 9,170,436 B2
  • Filed: 10/31/2011
  • Issued: 10/27/2015
  • Est. Priority Date: 10/31/2011
  • Status: Active Grant
First Claim
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1. A display comprising:

  • a first waveguide containing first luminophores that fluoresce to produce light of a first color;

    a second waveguide overlying the first waveguide and containing second luminophores that fluoresce to produce light of a second color;

    a light collection structure positioned to transmit light from a surrounding environment transversely through the first waveguide and the second waveguide;

    a first optical via providing an optical path to a display surface for light from the first optical waveguide; and

    a second optical via providing an optical path to the display surface for light from the second optical waveguide,wherein the first optical via extends through an opening in the second waveguide.

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