Pixel circuit, display panel, display device and driving method

A pixel circuit, comprising:

• a light emitting element, comprising a first electrode;
• a driving transistor, comprising a gate electrode, wherein the driving transistor is coupled to a first supply voltage, and the driving transistor is configured to drive the light emitting element to emit light according to a voltage of the gate electrode of the driving transistor;
• a light emitting control circuit, configured to receive a light emitting control signal and control a connection between the light emitting element and the driving transistor to be turned on or off according to the light emitting control signal;
• a reset circuit, configured to receive a reset control signal and write a reset voltage into the gate electrode of the driving transistor according to the reset control signal;
• a threshold compensation circuit, configured to receive a first scanning signal and write a compensating voltage into the gate electrode of the driving transistor according to the first scanning signal, wherein the compensating voltage comprises a threshold voltage of the driving transistor;
• a first data write circuit, configured to receive the first scanning signal and a data signal and write the data signal into the driving transistor according to the first scanning signal;
• an initializing circuit, configured to write an initializing voltage into the first electrode of the light emitting element,
• wherein the reset circuit comprises a first transistor, and the first data write circuit comprises a third transistor, and a channel length-width ratio of the first transistor is greater than a channel length-width ratio of the third transistor.