Patent ID: 7091939

Claim:
A driving circuit for driving an active matrix type display in which a plurality of pixels each of which includes of an electro-optical element, comprising: a driving transistor; the driving transistor being connected to the electro-optical element through any one of a source and a drain of the driving transistor, the driving transistor being connected to a first terminal through the other of the source and the drain of the driving transistor; a first device for setting the potential of the first terminal at a first potential in a first operating state; and a second device for setting the potential of the first terminal at a second potential lower than the first potential in a second operating state, the direction of a current flowing between the source and the drain in the first operating state being different from the direction of a current flowing between the source and the drain in the second operating state, the electro-optical element emitting light according to the current flowing through the driving transistor in the first operating state, and the electro-optical element not emitting light in the second operating state.