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Luminescent planar sheet

  • US 9,663,026 B2
  • Filed: 06/11/2015
  • Issued: 05/30/2017
  • Est. Priority Date: 03/04/2011
  • Status: Active Grant
First Claim
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1. An illuminated sheet comprising:

  • a luminescent planar sheet having a bottom side and a top side producing luminescent indicia in the infrared spectrum, said luminescent indicia producing heat; and

    an insulator layer affixed to said luminescent planar sheet'"'"'s bottom side, said insulator sheet having a thickness of at least 0.075 mm and a thermal conductivity of 0.25 W/m-K or less.

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