Pixel circuit and driving method therefor, display panel, and display apparatus

A pixel circuit, comprising:

• a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a driving transistor, and a storage capacitor, wherein a first electrode of the first transistor is connected to a data signal input terminal to receive a data signal, a second electrode of the first transistor is connected to a first electrode of the fifth transistor, and a gate electrode of the first transistor is connected to a first scanning signal input terminal to receive a first scanning signal;
• a first electrode of the second transistor is connected to a first power signal input terminal to receive a first power signal, a second electrode of the second transistor is connected to a first electrode of the driving transistor, and a gate electrode of the second transistor is connected to a light-emitting control signal input terminal to receive a light-emitting control signal;
• a first electrode of the third transistor is connected to a reset signal input terminal to receive a reset signal, a second electrode of the third transistor is connected to the first electrode of the driving transistor, and a gate electrode of the third transistor is connected to a first reset control signal input terminal to receive a first reset control signal;
• a first electrode of the fourth transistor is connected to the reset signal input terminal to receive the reset signal, a second electrode of the fourth transistor is connected to a second electrode of the driving transistor, and a gate electrode of the fourth transistor is connected to a second reset control signal input terminal to receive a second reset control signal;
• a second electrode of the fifth transistor is connected to a gate electrode of the driving transistor, and a gate electrode of the fifth transistor is connected to the first scanning signal input terminal to receive the first scanning signal;
• a first electrode of the sixth transistor is connected to the second electrode of the first transistor, a second electrode of the sixth transistor is connected to the gate electrode of the driving transistor, and a gate electrode of the sixth transistor is connected to a second scanning signal input terminal to receive a second scanning signal;
• and a first electrode of the storage capacitor is connected to the gate electrode of the driving transistor;
• and a second electrode of the storage capacitor is connected to a second power signal input terminal to receive a second power signal;
• wherein the reset signal is used to reset the first terminal of the driving circuit and the first terminal of the light-emitting element.

A driving method of a pixel circuit, used for driving a pixel circuit,

• the pixel circuit comprising:
• a driving circuit, comprising a first terminal, a second terminal, and a control terminal, and configured to drive a light-emitting element connected to the second terminal of the driving circuit to emit light;
• a first switching circuit, configured to be turned on in response to a first scanning signal to transmit a data signal to the control terminal of the driving circuit;
• a second switching circuit, connected to the first terminal of the driving circuit and configured to be turned on in response to a light-emitting control signal to transmit a first power signal to the first terminal of the driving circuit;
• a first reset circuit, connected to the first terminal of the driving circuit and configured to be turned on in response to a first reset control signal to transmit a reset signal to the first terminal of the driving circuit;
• and
• a second reset circuit, connected to a first terminal of the light-emitting element and configured to be turned on in response to a second reset control signal to transmit the reset signal to the first terminal of the light-emitting element;
• wherein the reset signal is used to reset the first terminal of the driving circuit and the first terminal of the light-emitting element;
• wherein the driving method comprises:
• in a first phase, turning off the first switching circuit by using the first scanning signal, turning off the second switching circuit by using the light-emitting control signal, turning on the first reset circuit by using the first reset control signal and resetting the first terminal of the driving circuit through the reset signal, and turning on the second reset circuit by using the second reset control signal and resetting the first terminal of the light-emitting element through the reset signal;
• in a second phase, turning on the first switching circuit by using the first scanning signal, turning off the second switching circuit by using the light-emitting control signal, turning on the first reset circuit by using the first reset control signal, turning on the second reset circuit by using the second reset control signal, and writing the data signal to the control terminal of the driving circuit;
• and
• in a third phase, turning off the first switching circuit by using the first scanning signal, turning on the second switching circuit by using the light-emitting control signal, turning off the first reset circuit by using the first reset control signal, and turning off the second reset circuit by using the second reset control signal, so as to allow the driving circuit to drive the light-emitting element to emit light.