A liquid crystal display device wherein display elements are arranged in a matrix display on a substrate and the display is driven in response to external display signals is provided. The display device includes a thin film layer having a rugged diffusing surface and an opposed transparent electrode...http://www.google.de/patents/US4648691?utm_source=gb-gplus-sharePatent US4648691 - Liquid crystal display device having diffusely reflective picture electrode and pleochroic dye
