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Light emitting material integrated into a substantially transparent substrate

  • US 6,986,581 B2
  • Filed: 11/03/2004
  • Issued: 01/17/2006
  • Est. Priority Date: 11/03/2003
  • Status: Active Grant
First Claim
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1. An apparatus comprising light emitting material integrated into a substantially transparent substrate, wherein the light emitting material is configured to emit visible light in response to absorption of ultraviolet light from a projector, wherein the light emitting material comprises a plurality of light emitting particles, and wherein each of the plurality of light emitting particles has a diameter less than about 400 nanometers.

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