Patent ID: 8614910

Claim:
A semiconductor device comprising: a diode; a first transistor; a second transistor; a first capacitor; and a functional circuit, wherein an output terminal of the diode is electrically connected to a first signal line, wherein one of a source and a drain of the first transistor is electrically connected to the first signal line, wherein the other of the source and the drain of the first transistor is electrically connected to a reference potential line, wherein a gate of the second transistor is electrically connected to the first signal line, wherein one of a source and a drain of the second transistor is electrically connected to a second signal line, wherein the functional circuit is electrically connected to the other of the source and the drain of the second transistor, wherein one of electrodes of the first capacitor is electrically connected to the first signal line, and wherein the other of the electrodes of the first capacitor is electrically connected to the second signal line.