A liquid crystal display including a cell which consists of two cell plates and a liquid crystal with positive dielectric anisotropy layered between the plates, where the molecules of the liquid crystal next to the plates exhibit preferred directions rotated by 90.degree.. The display includes only one...http://www.google.fr/patents/US4340277?utm_source=gb-gplus-shareBrevet US4340277 - Liquid crystal display and method of making
