A liquid crystal display device having a plurality of display sections each formed of a plurality of common electrodes and corresponding segment electrodes to display a character is disclosed. The device comprises a plurality of liquid crystal display elements piled in the direction perpendicular to...http://www.google.com/patents/US4448490?utm_source=gb-gplus-sharePatent US4448490 - Liquid crystal matrix display cells piled with non-overlapping display elements
