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Integrator array for HUD backlighting

  • US 7,932,960 B1
  • Filed: 03/31/2008
  • Issued: 04/26/2011
  • Est. Priority Date: 03/31/2008
  • Status: Active Grant
First Claim
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1. An integrator array providing uniform and focused backlighting to a liquid crystal display, the integrator array comprising:

  • at least one light source that emits a plurality of light rays;

    at least one tapered column corresponding to each light source, each column having a first, narrowed end positioned adjacent to the light source, a second, widened end positioned adjacent to the liquid crystal display, and a plurality of walls extending between the first and second ends; and

    an optical receptor secured between the light source and the first end of the at least one column having an angled side wall coupled to the plurality of walls of the at least one column, wherein the plurality of light rays from the at least one light source are reflected by the optical receptor to create at least one virtual light source to backlight the liquid crystal display.

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