In the technique of the JP A 2006 30588, the LED backlight is controlled so as to reduce the brightness of signals below a variation point according to {HEAD ~ the area} of {TAIL ~ the black level areas} or to increase the brightness of signals above a variation point according to the area of the white level areas 
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In the technique of the JP A 2006 30588 , the LED backlight is controlled so as to reduce the brightness of signals below a variation point according to { HEAD ~ the area } of { TAIL ~ the black level areas } or to increase the brightness of signals above a variation point according to the area of the white level areas
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL 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 OTH