| 摘要 |
A multi-display system, a display device and a driving method thereof are provided. A multi-display system includes: a first display device which determines whether a video signal is input to the first display device, outputs a control signal which indicates whether the video signal is input to the first display device, and displays a video based on the input video signal if it is determined that the video signal is input; and a second display device which enters one of a power saving mode and a normal mode according to the control signal output by the first display device, and displays the video based on the video signal if the control signals indicates that the video signal is input.
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