Pixel circuit, display apparatus and driving method

A pixel circuit, comprising:

• a light-emitting device;
• a driving transistor configured to generate a driving current that drives the light-emitting device to emit light according to a data voltage;
• a light-emitting control circuit coupled with the driving transistor, and configured to, in response to an effective level of a light-emitting control signal terminal, provide the driving current generated by the driving transistor to the light-emitting device, and drive the light-emitting device to emit light;
• a functional circuit coupled with the driving transistor, and configured to, in response to a plurality of effective levels that occur at intervals between second scanning signal terminals, operate in a data refresh phase;
• and
• a threshold compensation circuit coupled with the driving transistor, and configured to, in response to an effective level of a compensation control signal terminal, input a threshold voltage of the driving transistor into a gate of the driving transistor;
• wherein in the data refresh phase, a time period of an invalid level of the light-emitting control signal terminal comprises a time period of an effective level of the compensation control signal terminal and a time period of an effective level of the second scanning signal terminal, the effective level of the second scanning signal terminal comprises at least one seventh effective level and at least one eighth effective level, and the time period of the effective level of the compensation control signal terminal does not overlap with a time period of the at least one eighth effective level.

A display panel comprising a plurality of sub-pixels;

• each of the plurality of sub-pixels comprises a pixel circuit, wherein the pixel circuit comprises:
• a light-emitting device;
• a driving transistor configured to generate a driving current that drives the light-emitting device to emit light according to a data voltage;
• a light-emitting control circuit coupled with the driving transistor, and configured to, in response to an effective level of a light-emitting control signal terminal, provide the driving current generated by the driving transistor to the light-emitting device, and drive the light-emitting device to emit light;
• a data-writing circuit coupled with a first electrode of the driving transistor, and configured to operate in a data refresh phase in response to a plurality of effective levels that occur at intervals between first scanning signal terminals;
• and
• a threshold compensation circuit coupled with the driving transistor, configured to, in response to an effective level of a compensation control signal terminal, input a threshold voltage of the driving transistor into a gate of the driving transistor;
• wherein in the data refresh phase, a time period of an invalid level of the light-emitting control signal terminal comprises a time period of the effective level of the compensation control signal terminal and a time period of an effective level of the first scanning signal terminal, the effective level of the first scanning signal terminal comprises at least one first effective level and at least one second effective level, and the time period of the effective level of the compensation control signal terminal comprises a time period of the first effective level.