A method of driving a display panel includes outputting odd-numbered and even-numbered gate signals having a first gate-on voltage during a first period, outputting first data of odd-numbered and even-numbered horizontal lines in response to the odd-numbered and even-numbered gate signals having the first gate-on voltage, outputting odd-numbered or even-numbered gate signals having a second gate-on voltage during a second period, wherein the second gate-on voltage is lower than the first gate-on voltage, and outputting second data of the odd-numbered horizontal lines in response to the odd-numbered gate signals having the second gate-on voltage, or outputting second data of the even-numbered horizontal lines in response to the even-numbered gate signals having the second gate-on voltage.