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Directional diffuser

  • US 20020141065A1
  • Filed: 08/01/2001
  • Published: 10/03/2002
  • Est. Priority Date: 08/01/2000
  • Status: Active Grant
First Claim
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1. A directional reflector having a surface, the surface comprising:

  • a first periodic surface component having a periodic wedge-shape, the periodic wedge-shape having a first period, and a second surface component.

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