Timing controller, display device, and pixel driving method

A timing controller applied to a display device, wherein the display device comprises a plurality of pixel circuits, a first driving circuit, and a second driving circuit, and each of the the plurality of pixel circuits comprises a driving transistor and a writing and compensation circuit;

• the writing and compensation circuit is connected to a first electrode, a second electrode and a gate electrode of the driving transistor, and is configured to write a non-display data voltage provided by a data line to the first electrode of the driving transistor, in response to control by a first effective level signal provided by a first control signal line, perform threshold compensation processing on the driving transistor and write a threshold-compensated display data voltage to the gate electrode of the driving transistor, in response to the control by the first effective level signal provided by the first control signal line and a second effective level signal provided by a second control signal line;
• the first driving circuit is connected to first control signal lines for the plurality of pixel circuits, and is configured to sequentially output the first effective level signal to each of the first control signal lines, according to a first driving start signal;
• the second driving circuit is connected to second control signal lines for the plurality of pixel circuits, and is configured to sequentially output the second effective level signal to each of the second control signal lines, according to a second driving start signal;
• and
• the timing controller is connected to the first driving circuit and the second driving circuit, and is configured to provide the first driving start signal to the first driving circuit and provide the second driving start signal to the second driving circuit during a refresh frame in a display period, a number of effective pulses in the first driving start signal is W, where W≥2, and W is an integer.