A ferroelectric liquid crystal device of a cell structure having a suppressed increase of cell thickness along a cell side is constituted by disposing a ferroelectric liquid crystal between a pair of electrode plates each sequentially provided with an electrode, an insulating film and an alignment...http://www.google.de/patents/US5764327?utm_source=gb-gplus-sharePatent US5764327 - Ferroelectric liquid crystal device with uneven surface under alignment film and process for production 