Patent ID: 7109982

Claim:
A method for driving a display panel including a pixel circuit, the pixel circuit including a first transistor, a second transistor, a third transistor, and a display element, the first transistor having a control electrode and a main electrode and outputting a current which corresponds to a voltage charged in at least one capacitor provided between the control electrode and the main electrode, the second transistor having a second control electrode coupled to the control electrode of the first transistor and being diode-connected, the third transistor applying a data voltage provided by a data line to the second transistor, the display element displaying image data corresponding to an amount of the current output by the first transistor, the method comprising: applying a pre-charge voltage to the control electrode of the first transistor in response to a first control signal during a first period; interrupting application of the pre-charge voltage to the control electrode of the first transistor during a second period; applying the data voltage to the control electrode of the first transistor through the second transistor in response to a second control signal during a third period; and interrupting application of the data voltage to the control electrode of the first transistor during a fourth period, wherein the first transistor and the display element are electrically decoupled during at least part of the fourth period.