Security document with electrically-controlled display element

Details Security document with electrically-controlled display element Security document with electrically-controlled display element

B - Operations, Transporting

42

D

B42D 15/00 (2006.01)

Patent

CA 2580332

The invention relates to a security document (1) with a flexible support (10) and a multi-layer flexible film body (2) applied to the support, providing one or more optical security features. The flexible multi-layer film body (2) comprises an electrically-controlled display element for the generation of an optical security feature with a provided electrical power supply for operation of the display element in combination with an optically-active diffractive structure.

L'invention concerne un document de sécurité (1) comportant un support souple (10) et un élément à feuilles (2) souple multicouche appliqué sur le support souple, cet élément à feuilles présentant une ou plusieurs caractéristiques de sécurité optiques. L'invention est caractérisée en ce que l'élément à feuilles (2) souple multicouche est doté d'un élément de visualisation à commande électrique pour générer une caractéristique de sécurité optique avec une source de courant associée pour faire fonctionner l'élément de visualisation en combinaison avec une structure de diffraction optique.

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