| 摘要 |
In order to display an image with a high contrast ratio while suppressing power consumed by a multi-display device and to adjust brightness of images displayed on image display devices, the multi-display device includes light emission APL value adjusting means 102. The light emission APL value adjusting means 102 sends, to light emission control means, a light emission APL value that has been adjusted, on the basis of light emission APL values calculated by light emission APL value calculating means of image display devices 11 to 19, so that total light emission power value of image-display light-emitting means 6 does not exceed an allowable power value and images are displayed at predetermined brightness.
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