Patent ID: 8890180

Claim:
A semiconductor device comprising: a first transistor; a second transistor; a third transistor; a fourth transistor; a fifth transistor; a capacitor; and a light emitting element, wherein one of a source and a drain of the first transistor is directly connected to the light emitting element, wherein the other of the source and the drain of the first transistor is electrically connected to a first line, wherein one of a source and a drain of the second transistor is electrically connected to a gate of the first transistor, wherein the other of the source and the drain of the second transistor is electrically connected to a second line, wherein one of a source and a drain of the third transistor is electrically connected to the gate of the first transistor, wherein the other of the source and the drain of the third transistor is electrically connected to the one of the source and the drain of the first transistor, wherein one of a source and a drain of the fourth transistor is electrically connected to the one of the source and the drain of the first transistor, wherein one of a source and a drain of the fifth transistor is electrically connected to the gate of the first transistor, wherein the other of the source and the drain of the fifth transistor is electrically connected to the other of the source and the drain of the first transistor, wherein a first electrode of the capacitor is directly connected to the gate of the first transistor, and wherein a second electrode of the capacitor is directly connected to the one of the source and the drain of the first transistor.