| 摘要 |
A liquid crystal panel for displaying an input image and a black image during one frame period, a target black display period ratio calculating unit configured to obtain a black image display period occupying one frame period of the input image, a black display period ratio change amount calculating unit configured to obtain the amount of change in ratio of black display period for each of one or a plurality of frames, a black display period ratio determining unit configured to calculate the ratio of black display period for an actual display, a black display period control unit configured to control a period for displaying the input image and the black image on the image display unit, and a display luminance control unit configured to restrain variations in luminance of the image display unit during one frame period within a predetermined range are provided.
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