A gate driver circuit according to an embodiment of the present invention comprises: an inverter unit for receiving an input voltage and generating a first gate signal and a second gate signal; an output unit for outputting an output voltage according to the first gate signal and the second gate signal; a first bias unit for receiving the first gate signal and adjusting the current of the output unit by forming a mirror circuit with the output unit during the rising transition of the input voltage; and a second bias unit for receiving the second gate signal and adjusting the current of the output unit by forming the mirror circuit with the output unit during the falling transition of the input voltage. The gate driver circuit of the present invention can adjust the slew rate of the output voltage while minimizing power consumption.
