A method for reducing video display power usage by dithering the brightness. This method can be used to reduce power consumption without having an effect on the brightness of the display screen as perceived by the user or may further reduce the power consumed with a corresponding reduction of bright...http://www.google.com.au/patents/US6934772?utm_source=gb-gplus-sharePatent US6934772 - Lowering display power consumption by dithering brightness
