strobe screen blurring 240 Hz strobe http://en.wikipedia.org/wiki/HDTV_blur strobe strobed LED backlighting, or advanced motion blur processing jutters in fast-moving action 240Hz http://en.wikipedia.org/wiki/HDTV_blur Wikipedia article about motion blur http://en.wikipedia.org/wiki/HDTV_blur strobe strobe strobed LED backlighting, or advanced motion blur processing 240 Hz strobe 240Hz http://en.wikipedia.org/wiki/HDTV_blur strobe 120hz http://en.wikipedia.org/wiki/HDTV_blur 120hz 240 Hz 240 Hz