A liquid crystal display device includes cell wall structure and a chiral nematic liquid crystal material. The cell wall structure and the liquid crystal cooperate to form focal conic and twisted planar textures that are stable in the absence of a field. A device applies an electric field to the liquid...http://www.google.fr/patents/US6034752?utm_source=gb-gplus-shareBrevet US6034752 - Display device reflecting visible and infrared radiation
Display device reflecting visible and infrared radiation
