A display device includes: a plurality of gate lines for transmitting a gate signal; a plurality of data lines for transmitting a data signal; a plurality of switching elements connected to the gate lines and the data lines; a plurality of pixel electrodes connected to the switching elements; a gate driver connected to the gate lines and including a gate signal generation mechanism for generating the gate signal and applying the gate signal to the gate lines; a data driver for applying the data signal to the data lines; a signal controller for receiving and processing incoming image signals to be supplied to the data driver, the signal controller generating a first gate control signal for controlling the gate driver and generating a data control signal for controlling the data driver; and a signal generator for receiving the first gate control signal and generating second and third gate control signals based on the received first gate control signal, wherein the gate driver is capable of receiving the second and third gate control signals, wherein the gate driver generates the gate signal based on the second and third gate signals, and wherein the period of the first gate control signal is the same as the period of the second and third gate control signals.