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SECURITY ELEMENT FOR THE IDENTIFICATION OF A SECURITY DOCUMENT AND METHOD FOR PRODUCING IT

  • US 20100277441A1
  • Filed: 09/16/2008
  • Published: 11/04/2010
  • Est. Priority Date: 10/06/2007
  • Status: Active Grant
First Claim
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1. A security element for the identification of a security document comprising:

  • a flexible multilayered film body defining a plane comprising;

    at least one electrically controllable display element; and

    at least one piezoelectric energy source which controls the at least one display element and having at least one layer of piezoelectric material;

    the at least one electrically controllable display element containing a display layer having liquid crystals that orient in response to an applied electric field;

    the multilayered body having a thickness of at most 70 μ

    m in a direction perpendicular to the plane of the film body.

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