A liquid crystal apparatus includes: (a) a liquid crystal panel having a longitudinal direction and containing therein a chiral smectic liquid crystal comprising plural layers of liquid crystal molecules aligned to have a common layer normal, each layer being composed of a plurality of liquid crystal...http://www.google.de/patents/US5523872?utm_source=gb-gplus-sharePatent US5523872 - Process for assembling a chiral smectic liquid crystal panel with a housing therefor