A method of activating a matrix liquid crystal display formed with column electrodes intersecting row electrodes and liquid crystal material therebetween in which liquid crystal pixels are defined at the intersections of the row and column electrodes. The column electrodes are provided with voltage waveforms...http://www.google.de/patents/US5247376?utm_source=gb-gplus-sharePatent US5247376 - Method of driving a liquid crystal display device
