A method of driving a matrix display device in which each display element (e.g. a liquid crystal display element) is connected in series with a non-linear resistance element, utilizing row scanning signals which vary periodically between 4 different potentials, the potentials being selected such that...http://www.google.fr/patents/US4626841?utm_source=gb-gplus-shareBrevet US4626841 - Method of driving matrix display device
