A display device includes: a light emitting element; a driving transistor connected to the light emitting element, the driving transistor generating a current according to a data voltage; a switching transistor switching the data voltage according to a gate signal; a capacitor storing the data voltage; a data line connected to the switching transistor, the data line transmitting the data voltage; and a gate line connected to the switching transistor, the gate line transmitting the gate signal. The data voltage includes a first voltage corresponding to luminance information and a second voltage that is a modified voltage of the first data voltage, wherein an average of the first voltage and the second voltage over time is substantially constant.