Pixel circuit and method of driving the same, display device

A pixel circuit, including:

• a light emitting device;
• a driving sub-circuit configured to drive the light emitting device, the driving sub-circuit including a driving transistor configured to generate a driving current flowing through the light emitting device so that the light emitting device emits light;
• a reset sub-circuit configured to reset a voltage between a gate electrode and a second electrode of the driving transistor;
• and
• a light emission control sub-circuit configured to transmit the driving current to the light emitting device,
• wherein a part of the reset sub-circuit is reused as at least a part of the light emission control sub-circuit;
• the reset sub-circuit comprises a first transistor, a second transistor and a third transistor,
• a gate electrode of the first transistor is directly connected to a second scan signal terminal, a first electrode of the first transistor is directly connected to the gate electrode of the driving transistor, and a second electrode of the first transistor is directly connected to an initial voltage terminal;
• a gate electrode of the second transistor is directly connected to the second scan signal terminal, a first electrode of the second transistor is directly connected to an anode of the light emitting device, and a second electrode of the second transistor is directly connected to the initial voltage terminal;
• a gate electrode of the third transistor is directly connected to a first scan signal terminal, a first electrode of the third transistor is directly connected to the second electrode of the driving transistor, and a second electrode of the third transistor is directly connected to the anode of the light emitting device;
• the light emission control sub-circuit comprises the third transistor and a fourth transistor;
• a gate electrode of the fourth transistor is directly connected to a light emission control signal terminal, a first electrode of the fourth transistor is directly connected to a first voltage terminal, and a second electrode of the fourth transistor is directly connected to a first electrode of the driving transistor.