Pixel circuit and driving method thereof, display panel and driving method thereof, and display device

A driving method of a display panel, wherein the display panel comprises a plurality of pixel circuits, the plurality of pixel circuits are arranged in a plurality of rows and a plurality of columns, and

• wherein each of the plurality of pixel circuits comprises a current control circuit and a time control circuit,
• the current control circuit is configured to receive a display data signal and a light-emitting control signal, control, according to the light-emitting control signal, whether to generate a driving current, and control a current magnitude of the driving current flowing through the current control circuit according to the display data signal,
• the time control circuit is configured to receive the driving current, receive a time data signal, and control passing time of the driving current according to the time data signal,
• a display period of the pixel circuit comprises a plurality of consecutive light-emitting phases and a time control turn-off phase, and
• the driving method of the display panel comprises:
• performing following operations on each of the plurality of pixel circuits in the display period of each of the plurality of pixel circuits:
• driving, by the current control circuit and the time control circuit according to the display data signal and the light-emitting control signal received by the current control circuit and the time data signal received by the time control circuit, a light-emitting element to emit light in the plurality of consecutive light-emitting phases;
• and
• causing the time control circuit to be turned off in the time control turn-off phase according to a time control turn-off data signal received by the time control circuit.

A pixel circuit, comprising a current control circuit and a time control circuit,

• wherein the current control circuit is configured to receive a display data signal and a light-emitting control signal, receive a driving power supply voltage from a first voltage terminal, control whether to generate a driving current according to the light-emitting control signal, and control a current magnitude of the driving current flowing through the current control circuit according to the display data signal;
• the time control circuit is configured to receive the driving current, receive a time data signal, and control passing time of the driving current according to the time data signal;
• the current control circuit comprises a first driving transistor and a light-emitting control transistor;
• the time control circuit comprises a second driving transistor;
• and
• during an operation, the driving current from the first voltage terminal and used for a light-emitting element only passes through the first driving transistor, the second driving transistor, and the light-emitting control transistor.