Organic light-emitting pixel driving circuit, driving method and organic light-emitting display panel

A method of driving an organic light-emitting pixel driving circuit, wherein the organic light-emitting pixel driving circuit comprises:

• a first scanning signal terminal, a second scanning signal terminal, a first light-emission controlling signal terminal, a second light-emission controlling signal terminal, a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a diving transistor, an organic light-emitting diode, a first power supply voltage terminal, a data signal terminal and a capacitor;
• wherein the first transistor provides an initialization signal to an anode of the organic light-emitting diode and a gate of the driving transistor based on a signal from the first scanning signal terminal;
• wherein the second transistor compensates a threshold voltage of the driving transistor based on a signal from the second scanning signal terminal, a gate of the second transistor is connected with the second scanning signal terminal, a first electrode of the second transistor is connected with a second electrode of the driving transistor, and a second electrode of the second transistor is connected with the gate of the driving transistor;
• wherein the third transistor provides a data signal to the driving transistor based on a signal from the second scanning signal terminal, a gate of the third transistor is connected with the second scanning signal terminal, a first electrode of the third transistor is connected with the data signal terminal, and a second electrode of the third transistor is connected with the first electrode of the driving transistor;
• wherein the fourth transistor transmits a first power supply voltage to the driving transistor based on a signal from the first light-emission controlling signal terminal;
• wherein the fifth transistor is coupled in series between the driving transistor and the anode of the organic light-emitting diode, and controls electrical connection between the driving transistor and the organic light-emitting diode based on a signal from the second light-emission controlling signal terminal, a gate of the fifth transistor is connected with the second light-emission controlling signal terminal, a first electrode of the fifth transistor is connected with the second electrode of the driving transistor, and a second electrode of the fifth transistor is connected with the anode of the organic light emitting diode;
• wherein the capacitor is connected to the first power supply voltage terminal, and configured to store the data signal transmitted to the driving transistor;
• and
• wherein the organic light-emitting diode is configured to emit light in response to a driving current generated by the driving transistor;
• wherein the method comprises an initialization phase, a threshold detection and data write phase, and a light-emitting phase;
• wherein in the initialization phase, the first transistor transmits an initialization voltage to the anode of the organic light-emitting diode and the gate of the driving transistor based on a signal from the first scanning signal terminal, so as to complete initialization of the organic light-emitting diode and driving transistor;
• wherein in the threshold detection and data write phase, the data signal terminal receives the data signal, the third transistor transmits the data signal to the gate of the driving transistor based on a signal from the second scanning signal terminal, so as to complete data writing of the pixel driving circuit and threshold detection of the driving transistor;
• and
• wherein in the light-emitting phase, the first transistor is turned off based on a signal from the first scanning signal terminal, the second transistor and third transistor are turned off based on a signal from the second scanning signal terminal, the fourth transistor transmits the first power supply voltage signal to the driving transistor based on a signal from the first light-emission controlling signal terminal, the driving transistor generates a driving current, the fifth transistor is turned on based on a signal from the second light-emission controlling signal terminal, and the organic light-emitting diode emits light based on the driving current.