Patent ID: 11908876
Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 2:
3. A semiconductor device comprising:
a photoelectric conversion element;
a first transistor, a second transistor, a third transistor, and a fourth transistor;
a first wiring electrically connected to a gate of the first transistor;
a second wiring electrically connected to a gate of the second transistor;
a third wiring electrically connected to a gate of the fourth transistor;
a fourth wiring electrically connected to the photoelectric conversion element; and
a capacitor,
wherein one of a source and a drain of the first transistor is electrically connected to the photoelectric conversion element,
wherein the other of the source and the drain of the first transistor is electrically connected to one of a source and a drain of the second transistor and a gate of the third transistor,
wherein one of a source and a drain of the third transistor is electrically connected to one of a source and a drain of the fourth transistor,
wherein one electrode of the capacitor is electrically connected to the other of the source and the drain of the first transistor,
wherein, in a plan view, a conductive layer functioning as the fourth wiring is provided in a net shape,
wherein, in the plan view, the conductive layer functioning as the fourth wiring surrounds the first transistor, the second transistor, the third transistor, and the fourth transistor, and
wherein, in the plan view, the conductive layer functioning as the fourth wiring does not overlap with a semiconductor layer of each of the first transistor, the second transistor, the third transistor, and the fourth transistor.