Patent ID: 8531364

Claim:
A display device comprising, in a pixel: a first wiring, a second wiring, a third wiring, a fourth wiring, and a fifth wiring; a light emitting element including a pixel electrode and a counter electrode; a first transistor that controls an input of a video signal; a second transistor that controls a current flowing in a forward direction to the light emitting element; and a third transistor and a fourth transistor that control a current flowing in a reverse direction to the light emitting element, wherein a gate electrode of the first transistor is electrically connected to the first wiring; one of a source electrode and a drain electrode of the first transistor is electrically connected to the second wiring in which the video signal is transmitted; the other of the source electrode and the drain electrode of the first transistor is electrically connected to a gate electrode of the second transistor; one of a source electrode and a drain electrode of the second transistor is electrically connected to the third wiring; the other of the source electrode and the drain electrode of the second transistor is electrically connected to the pixel electrode; one of a source electrode and a drain electrode of the third transistor is connected to the gate electrode of the second transistor; the other of the source electrode and the drain electrode of the third transistor is connected to the pixel electrode; a gate electrode of the third transistor is connected to the fourth wiring; one of a source electrode and a drain electrode of the fourth transistor is electrically connected to the pixel electrode and to a gate electrode of the fourth transistor; the other of the source electrode and the drain electrode of the fourth transistor is electrically connected to the fifth wiring; and each of the first transistor, the second transistor, the third transistor, and the fourth transistor is an N-channel transistor.