Multilayer body with electrically controllable optically...

Details Multilayer body with electrically controllable optically... Multilayer body with electrically controllable optically...

G - Physics

06

K

G06K 19/06 (2006.01)

Patent

CA 2614064

The invention relates to a multilayer body (1, 1', 2, 3, 4, 5) with an optically active first system of layers (10), whereby the first system of layers (10) is an optically variable element (OVD) with a structural layer, inside of which a diffraction grating is shaped, and the optical activity of the first system of layers (10) can be influenced by an electrically controllable second system of layers (20, 20', 40, 50, 60).

L'invention concerne un corps multicouche (1, 1', 2, 3, 4, 5) présentant un premier système de couches (10) à effet optique. Selon ladite invention, ce premier système de couches (10) est un dispositif à variabilité optique (OVD) et un second système de couches (20, 20', 40, 50, 60) à commande électrique peut influer sur l'effet optique du premier système de couches (10) présentant une couche structurelle (12) dans laquelle un réseau de diffraction (12b) est formé.

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