A light modulating device comprises a plurality of data electrodes, a plurality of strobe electrodes, pixels at the intersections of the strobe and data electrodes, and addressing means for supplying data signals to the data electrodes in successive data selection periods and for supplying strobe signals...http://www.google.com.hk/patents/US6271820?utm_source=gb-gplus-share專利 US6271820 - Light modulating devices
