| 摘要 |
To reduce power consumption at the time of realizing two screens using two liquid crystal display panels. In performing a display of a first main liquid crystal display panel (PNL1) and a second (sub) liquid crystal display panel (PNL2) simultaneously, the display is performed in a display mode with respect to some rows of the main display panel and is performed in a non-display mode with respect to remaining rows of the main display panel. Scanning signals are sequentially supplied to scanning signal lines of rows in the display mode and scanning signals for refreshing are collectively supplied to scanning signal lines of rows in the non-display mode during retracing periods.
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