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DIRECTIONAL PIXEL FOR USE IN A DISPLAY SCREEN

  • US 20140300947A1
  • Filed: 06/19/2014
  • Published: 10/09/2014
  • Est. Priority Date: 04/27/2012
  • Status: Active Grant
First Claim
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1. A directional pixel for use in a display screen, the directional pixel receiving a planar lightbeam and comprising:

  • a light propagating layer; and

    a grating to scatter a portion of the planar lightbeam into a directional lightbeam having a direction and angular spread controlled by the grating.

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