| 摘要 |
An image display device is disclosed that is capable of presenting to a viewer a high-quality lustrous video on a display screen with best screen brightness by increasing visual contrast and avoiding loss of true black elements without widening a dynamic range of a picture signal. The image display device is provided with a liquid crystal display portion, a display control portion, a backlight, a backlight control portion and an average brightness detecting portion and detects brightness of the light source in accordance with the average brightness of a picture signal to be displayed. It is further provided with a peak detecting portion and corrects the control of the backlight control portion in accordance with a detected peak value of a picture.
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