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.fr/patents/US7370979?utm_source=gb-gplus-shareBrevet US7370979 - Calibration of displays having spatially-variable backlight
Calibration of displays having spatially-variable backlight
