A visual display system having a spatial light modulator with individually controllable elements. Each element capable of producing an individual light beam directed toward a display surface. A source of random polarity light is utilized to direct light onto the modulator....http://www.google.fr/patents/US5214420?utm_source=gb-gplus-shareBrevet US5214420 - Spatial light modulator projection system with random polarity light
Spatial light modulator projection system with random polarity light
