A liquid crystal display element comprises a liquid crystal and solidified matrix composite, in which liquid crystal is dispersed and held in a solidified matrix, which is interposed between a pair of substrates with electrodes at least one of which is transparent, wherein at least one of the substrates...http://www.google.de/patents/US5283675?utm_source=gb-gplus-sharePatent US5283675 - Liquid crystal display element with electrode having concave-convex surface at liquid crystal side
