Patent ID: 8487841

Claim:
A semiconductor device comprising: a first transistor; a first switch; a second switch; a third switch; a fourth switch; and a capacitor, wherein: one of a source and a drain of the first transistor is electrically connected to a first terminal of the first switch, the one of the source and the drain of the first transistor is directly connected to a first terminal of the second switch, a gate of the first transistor is electrically connected to a first terminal of the third switch, a second terminal of the third switch is electrically connected to the other of the source and the drain of the first transistor, a first terminal of the fourth switch is electrically connected to the other of the source and the drain of the first transistor, a second terminal of the fourth switch is directly connected to a pixel electrode, a first electrode of the capacitor is electrically connected to the gate of the first transistor, and a second electrode of the capacitor is directly connected to a second terminal of the second switch.