Patent ID: 8044983

Claim:
A video display apparatus comprising: a liquid crystal panel configured to display a video on a display area including pixels; light sources, each configured to be controlled respectively and to light in an illumination area into which the display area is virtually segmented according to an arrangement of the light sources; a first calculation unit configured to calculate a second emission intensity corresponding to a small-area based on a video signal to be displayed in the small-area, wherein the small-area is a segment of the display area, a segmentation of the display area to obtain the small-area being finer than a segmentation of the display area to obtain the illumination area and being coarser than a segmentation of the display area to obtain the pixels; a second calculation unit configured to calculate a first emission intensity, to control the light source, based on the second emission intensity; and a control unit configured to control the light source in accordance with the first emission intensity.