Display driving circuit, display driving method and display panel

A display driving method for driving a display driving circuit, wherein the display driving circuit comprises a first transistor, the first transistor being connected to a display light-emitting subcircuit, wherein the display driving circuit further comprises:

• a storage subcircuit connected to a control terminal of the first transistor through a first node and connected to a first terminal of the first transistor through a second node;
• a compensation subcircuit connected to a first light-emitting control line, a second terminal of the first transistor and a power supply high-voltage terminal;
• a data writing subcircuit connected to a data line, a scan line and the first node, for writing a data line signal into the storage subcircuit in response to a scan line signal, wherein a potential of the power supply high-voltage terminal is less than a high potential of the scan line signal;
• a light-emitting control subcircuit connected to a second light-emitting control line and the second node, the light-emitting control subcircuit further connected to an anode of the display light-emitting subcircuit through a third node, a cathode of the display light-emitting subcircuit being connected to the scan line;
• and
• a reverse bias subcircuit connected to the scan line, the third node and the power supply high-voltage terminal, for enabling potentials of the cathode and anode of the display light-emitting subcircuit to be reversed in response to the scan line signal;
• wherein the display driving method comprises:
• in a first stage, controlling the scan line and the first light-emitting control line to output a high-level signal, and controlling the second light-emitting control line to output a low-level signal, writing a threshold voltage of the first transistor into the storage subcircuit, and enabling potentials of the cathode and anode of the display light-emitting subcircuit to be equal or enabling potentials of the cathode and anode of the display light-emitting subcircuit to be reversed;
• in a second stage, controlling the scan line to output the high-level signal, controlling the first light-emitting control line and the second light-emitting control line to output the low-level signal, and controlling the data line to output a data signal, writing the data signal into the storage subcircuit;
• and
• in a third stage, controlling the scan line to output the low-level signal, and controlling the first light-emitting control line and the second light-emitting control line to output the high-level signal, turning on the power supply high-voltage terminal, the compensation subcircuit, the first transistor, the light-emitting control subcircuit, the display light-emitting subcircuit and the scan line sequentially.

A display panel comprising:

• a display driving circuit;
• and
• a display light-emitting subcircuit connected to a light-emitting control subcircuit of the display driving circuit;
• wherein the display driving circuit comprises a first transistor, the first transistor being connected to a display light-emitting subcircuit, wherein the display driving circuit further comprises:
• a storage subcircuit connected to a control terminal of the first transistor through a first node and connected to a first terminal of the first transistor through a second node;
• a compensation subcircuit connected to a first light-emitting control line, a second terminal of the first transistor and a power supply high-voltage terminal;
• a data writing subcircuit connected to a data line, a scan line and the first node, for writing a data line signal into the storage subcircuit in response to a scan line signal, wherein a potential of the power supply high-voltage terminal is less than a high potential of the scan line signal;
• a light-emitting control subcircuit connected to a second light-emitting control line and the second node, the light-emitting control subcircuit further connected to an anode of the display light-emitting subcircuit through a third node, a cathode of the display light-emitting subcircuit being connected to the scan line;
• and
• a reverse bias subcircuit connected to the scan line, the third node and the power supply high-voltage terminal, for enabling potentials of the cathode and anode of the display light-emitting subcircuit to be reversed in response to the scan line signal.