In a liquid crystal device wherein a bistable ferroelectric liquid crystal is sandwiched between display electrodes; a liquid crystal device and a driving method therefor characterized in that switching elements are disposed at respective intersection points between a plurality of scanning electrodes...http://www.google.co.uk/patents/US4818077?utm_source=gb-gplus-sharePatent US4818077 - Ferroelectric liquid crystal device and method of driving the same
