In a flat display having data-side address electrodes and scanning-side address electrodes arranged in the form of an XY matrix on the respective surfaces of a board, an apparatus for and a method of driving the electrodes by applying a horizontal scanning signal to the scanning-side electrodes successively,...http://www.google.de/patents/US5202674?utm_source=gb-gplus-sharePatent US5202674 - Apparatus for and method of driving electrodes of flat display
