A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. The screen is illuminated with light from a light source comprising an array of controllable light-emitters. The controllable-emitters and elements of the light modulator...http://www.google.com.au/patents/US20070268211?utm_source=gb-gplus-sharePatent US20070268211 - HDR DISPLAYS WITH INDIVIDUALLY-CONTROLLABLE COLOR BACKLIGHTS