A driving method for an optical modulation device comprising matrix picture elements each formed at intersecting points of scanning lines and data lines between which a bistable optical modulation material represented by a ferroelectric liquid crsytal is interposed. The driving method comprises an erasure...http://www.google.com.au/patents/US5092665?utm_source=gb-gplus-sharePatent US5092665 - Driving method for ferroelectric liquid crystal optical modulation device using an auxiliary signal to prevent inversion
