A liquid crystal electro-optical device comprising a pair of substrates at least one of them is light-transmitting, electrodes being provided on said substrates, and an electro-optical modulating layer being supported by said pair of substrates, provided that said electro-optical modulating layer comprises...http://www.google.fr/patents/US7123320?utm_source=gb-gplus-shareBrevet US7123320 - Electro-optical device
