Patent ID: 8390563

Claim:
An image display apparatus, comprising: a backlight configured to emit light; a liquid crystal panel configured to modulate light emitted from the backlight to display an image on display area; an emission intensity calculating unit including an acquiring unit configured to acquire a maximum value and a minimum value of lightness of an target image signal, a center value calculating unit configured to calculate a first center value, the first center value being a half of a summed value of the maximum value and the minimum value, and an intensity calculating unit configured to calculate an intensity of the backlight such that a second center value of a lightness range being displayable on the display area substantially coincides with the first center value; a backlight controlling unit configured to control emission of light by the backlight in accordance with the intensity of the backlight; a signal correcting unit configured to correct the target image signal in accordance with the intensity of the backlight; and a liquid crystal controlling unit configured to control the liquid crystal panel based upon the corrected target image signal.