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ELECTRO-OPTICAL SECURITY ELEMENT

  • US 20140291495A1
  • Filed: 11/30/2012
  • Published: 10/02/2014
  • Est. Priority Date: 12/01/2011
  • Status: Abandoned Application
First Claim
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1. A security element for a security and/or valuable document, comprising a matrix based on an organic polymeric material, at least one electrically conductive pigment dispersed in the matrix, and at least one organic light-emitting semiconductor dispersed in the matrix, which semiconductor is capable, in the presence of the conductive pigment, of non-contact excitation of light emission, and the particle size of which is less than 200 nm, wherein the organic light-emitting semiconductor is not encapsulated, and is directly surrounded by the matrix and is embedded therein.

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