Patent ID: 7268332

Claim:
A display device comprising: a plurality of pixels arranged in matrix, wherein the plurality of pixels each comprises a light emitting element, a first transistor, a second transistor, a third transistor, a fourth transistor, a capacitor, and an alternate current driving bypass element; wherein a gate terminal of the third transistor is connected to a third wiring, one of a source terminal and a drain terminal of the third transistor is connected to a first wiring and the other is connected to a gate terminal of the second transistor; wherein one of a source terminal and a drain terminal of the second transistor is connected to a second wiring and the other is connected to the gate terminal of the second transistor; wherein a gate terminal of the fourth transistor is connected to a fourth wiring, one of a source terminal and a drain terminal of the fourth transistor is connected to a gate terminal of the second transistor and the other is connected to a gate terminal of the first transistor; wherein one of a source terminal and a drain terminal of the first transistor is connected to the second wiring and the other is connected to a first electrode of a light emitting element; wherein a second electrode of the light emitting element is connected to a counter power source; wherein one of terminals of the capacitor is connected to the second wiring and the other is connected to the gate terminal of the first transistor; and wherein one of terminals of the alternate current driving bypass element is connected to the second wiring and the other is connected to the first electrode of the light emitting element.