FIELD: information technology.
SUBSTANCE: device has a liquid crystal control section, a down conversion section which converts video resolution for one screen image to a lower resolution; an illumination control section which controls emitting states of light sources in accordance with undivided video data for one screen image, which are converted by the down conversion unit to video data of lower resolution.
EFFECT: high quality of display in the border area of a screen.
11 cl, 20 dwg
