Pixel unit circuit, pixel circuit, method for driving pixel circuit and display device

A pixel unit circuit, comprising:

• a light emitting element, a first end of the light emitting element being coupled to a low level input end;
• a storage capacitor module, a first end of the storage capacitor module being directly connected to a ground end;
• a driving transistor, a gate electrode of the driving transistor being coupled to a second end of the storage capacitor module, and a first electrode of the driving transistor being coupled to a second end of the light emitting element;
• and
• a first control module, directly connected to a gate line, a data line and the gate electrode of the driving transistor, configured to control whether the gate electrode of the driving transistor is connected to the data line under the control of the gate line;
• wherein the gate line comprises a first gate switch line and a second gate switch line;
• wherein the first control module comprises:
• a first transistor, a gate electrode of the first transistor being coupled to the first gate switch line, a first electrode of the first transistor being coupled to the gate electrode of the driving transistor, and a second electrode of the first transistor being coupled to the data line;
• and
• a second transistor, a gate electrode of the second transistor being coupled to the second gate switch line, a first electrode of the second transistor being coupled to the data line, and a second electrode of the second transistor being coupled to the gate electrode of the driving transistor;
• wherein the pixel unit circuit further comprises a potential control transistor, a gate electrode and a first electrode of the potential control transistor is directly connected to the first electrode of the driving transistor, the second electrode of the potential control transistor is configured to receive a voltage of a ground end.