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

A driving method for driving an organic light-emitting pixel driving circuit, wherein the organic light-emitting pixel driving circuit includes a light-emitting element, a driving transistor, an initialization unit under control of a first scanning signal line, a storage unit, a data write-in unit under control of a second scanning signal line, a first light-emitting control unit under control of a first light-emitting control signal line, and a second light-emitting control unit under control of a second light-emitting control signal line, the driving method comprising:

• in an initialization stage, providing a first voltage level signal to the first scanning signal line, the first light-emitting control signal line, and the second light-emitting control signal line;
• and
• providing a second voltage level signal to the second scanning signal line,
• wherein the first light-emitting control unit and the initialization unit transmit a first power supply voltage signal to the gate electrode of the driving transistor, and
• the initialization unit transmits a reference voltage signal to the anode of the light-emitting element and a source electrode of the driving transistor.

An organic light-emitting display panel, comprising:

• a plurality of rows of pixel units,
• wherein each row of the plurality of rows of pixel units comprises a plurality of organic light-emitting pixel driving circuits, and
• an organic light-emitting pixel driving circuit comprises:
• a light-emitting element;
• a driving transistor, configured to drive the light-emitting element;
• an initialization unit, configured to transmit a first power supply voltage signal to a gate electrode of the driving transistor and transmit a reference voltage signal to a source electrode of the driving transistor and an anode of the light-emitting element;
• a storage unit, configured to maintain a voltage signal transmitted to the driving transistor;
• a data write-in unit, configured to transmit a data voltage signal to the gate electrode of the driving transistor, and allow the data voltage signal to compensate a threshold voltage of the driving transistor;
• and
• a light-emitting control unit, configured to control the light-emitting element to emit light.