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Luminescent device

  • US 8,847,487 B2
  • Filed: 07/10/2013
  • Issued: 09/30/2014
  • Est. Priority Date: 11/13/2006
  • Status: Active Grant
First Claim
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1. A light scattering device comprising:

  • a prefabricated fiber mat configured for disposition in a respective area in a vicinity of a lamp and comprising plural layers of fibers;

    said fibers in the fiber mat having an average fiber diameter between 100 and 2000 nm and individually comprising scattering centers for visible light emitted from the lamp; and

    said fibers layered on each other to form an optical path length in the fiber mat which scatters at least one ray of the visible light incident on the fiber mat multiple times before exiting the fiber mat,further comprising an encapsulant disposed in contact with and at least partially encapsulating the fibers of the fiber mat.

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