A spatial light modulator, for instance of the diffractive liquid crystal type, comprises an addressing circuit and a plurality of pixels. Each of the pixels has a plurality of first elongate electrodes and a plurality of second elongate electrodes interdigitated with the first electrodes. The first...http://www.google.se/patents/US6201589?utm_source=gb-gplus-sharePatent US6201589 - Spatial light modulator and display with picture elements having electrically floating electrodes