In a pixel of a display device, a first transistor of which an second terminal is connected to a first terminal of a light emitting element supplies a driving current that corresponds to a voltage between a control terminal and the second terminal to the light emitting element, and a second terminal of the light emitting element is connected to a driving voltage. At least one second transistor transmits a black voltage that corresponds to a black gray to the control terminal of the first transistor in a first period and a second period, and transmits a gray voltage that corresponds to an input image signal to the control terminal of the first transistor in a third period. A third transistor is connected between the first terminal of the light emitting element and a voltage supply line to transmit a reference voltage, and the third transistor is turned on in the first period and turned off in the second period. A capacitor is connected between the control terminal and the source of the first transistor, stores a control voltage based on a threshold voltage of the first transistor in the second period, and stores a voltage based on the control voltage and the gray voltage in the third period.