Abstract: A driving device for a display system, comprising a first signal line, connecting to a timing control device of the display system for transmitting an instruction signal; a second signal line, connecting to the timing control device for transmitting a sync clock signal; and a plurality of driving units, for receiving the instruction signal from a timing control device of the display system via the first signal line, receiving a sync clock signal from the timing control device via the second signal line and generating a plurality of driving signals to a display device of the display system according to the instruction signal and the sync clock signal.