Scan driving device and driving method thereof

A scan driving device comprising:

• a plurality of scan driving blocks, and each of the plurality of scan driving blocks including:
• a first clock signal input terminal;
• a second clock signal input terminal;
• a first input signal input terminal;
• a second input signal input terminal;
• an output terminal;
• a scan line connected to the output terminal;
• a first transistor configured to transfer a first clock signal inputted to the first clock signal input terminal to a first node according to a first input signal inputted to the first input signal input terminal;
• a second transistor configured to transfer a first power source voltage to a second node according to a voltage of the first node;
• a first capacitor connected between the second node and the second clock signal input terminal configured to change a voltage of the second node according to a second clock signal inputted to the second clock signal input terminal;
• a second capacitor connected between the second node and a third node configured to change a voltage of the third node according to a voltage change of the second node;
• a third capacitor connected between the third node and a fourth node to change a voltage of the fourth node according to the voltage of the third node;
• and
• a third transistor configured to transfer the first clock signal inputted to the first clock signal input terminal to the output terminal connected to the scan line according to the voltage of the fourth node.