Liquid crystal cells – elements and systems – Liquid crystal system
Reexamination Certificate
2011-05-10
2011-05-10
Rojas, Omar (Department: 2874)
Liquid crystal cells, elements and systems
Liquid crystal system
C349S201000, C359S245000, C359S558000
Reexamination Certificate
active
07940340
ABSTRACT:
A multilayer body (1) having an optically active first layer system (10) is described, in which case the first layer system (10) is an optically variable device (OVD), and the optical effect of the first layer system (10) can be influenced by an electrically controllable second layer system (20).
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patent:
Clemens Wolfgang
Ludwig Klaus
Carella Byrne et al.
Leonhard Kurz Stiftung & Co. KG
Olstein Elliot M.
PolyIC GmbH & Co. KG
Rojas Omar
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