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Value or security product with luminescent security elements and method for the production and use thereof in respect to visual and machine-operated detection of authenticity

  • US 6,530,527 B1
  • Filed: 11/16/1999
  • Issued: 03/11/2003
  • Est. Priority Date: 03/04/1997
  • Status: Expired due to Term
First Claim
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1. A value/security instrument with embedded security elements containing substances that have electroluminescent (EL) properties and that emit radiation within an alternating electric field, said instrument comprising:

  • an essentially planar electrode arrangement is placed on said instrument; and

    electrodes located on approximately the same plane lying adjacent to one another formed with a field gap between them, wherein the EL substances are penetrated by the field lines of the alternating electric field produced within the field gap.

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