Transistor circuit, display panel and electronic apparatus

A display panel comprising:

• a plurality of scanning lines;
• a plurality of data lines;
• and
• a plurality of transistor circuits, each of the plurality of transistor circuits including:
• a light-emitting element;
• a switching transistor having a first gate;
• a driving transistor connected to the light-emitting element;
• and
• a capacitor connected to a second gate of the driving transistor, the capacitor holding a gate voltage applied to the second gate being applied to the second gate at least when a current is supplied to the light-emitting element through the drive transistor,
• the gate voltage being set at a value obtained by compensating at least the threshold voltage of the driving transistor by using at least one transistor connected to the second gate included in each transistor circuit.

A display panel comprising:

• a plurality of scanning lines;
• a plurality of data lines;
• and
• a plurality of transistor circuits, each of the plurality of transistor circuits including:
• a light emitting element;
• a switching transistor having a first gate;
• a driving transistor connected to the light-emitting element;
• and
• a capacitor connected to a second gate of the driving transistor, the capacitor holding a gate voltage applied to the second gate being applied to the second gate at least when a current is supplied to the light-emitting element through the driving transistor,
• each transistor circuit having a function of compensating the gate voltage at least for the threshold of the driving transistor.

A driving method for a display having a plurality of transistor circuits each of which having a light-emitting element and a driving transistor connected to the light-emitting element, comprising:

• compensating at least threshold voltage of the driving transistor;
• supplying a current to the light-emitting element through the driving transistor, a gate voltage of the driving transistor is set at a value being obtained by the compensating during the supplying;
• and
• resetting the gate voltage.

A driving method for a display having a plurality of transistor circuits each of which having a light-emitting element and a driving transistor connected to the light-emitting element, comprising:

• supplying input signals to each transistor circuit;
• compensating at least threshold voltage of the driving transistor by using function of each transistor circuit;
• supplying a current to the light-emitting element through the driving transistor, the gate voltage of the driving transistor is set at a value being obtained by the compensating during the supplying;
• and
• supplying reset signal to each transistor circuit before the supplying input signals.