wherein the control section controls {HEAD ~ the backlight} so as to maintain {TAIL ~ the light intensity} of each area above 0 even when the brightness of the image signal corresponding to the area is 0 
wherein the control section controls { HEAD ~ the backlight } so as to maintain { TAIL ~ the light intensity } of each area above 0 even when the brightness of the image signal corresponding to the area is 0
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH