Patent ID: 9331112
Filing Date: 2016-05-03
CPC Classification: H01L,H04N

Claim Text:
1. A semiconductor device comprising: a photoelectric conversion element; a first transistor; a second transistor; a third transistor; and an interlayer insulating film, wherein a gate electrode of the first transistor is electrically connected to one of a source electrode and a drain electrode of the second transistor, wherein the gate electrode of the first transistor is electrically connected to one of a source electrode and a drain electrode of the third transistor, wherein one of a source electrode and a drain electrode of the first transistor is electrically connected to a first line, wherein a gate electrode of the second transistor is electrically connected to a second line, wherein the other of the source electrode and the drain electrode of the second transistor is electrically connected to the photoelectric conversion element, wherein a gate electrode of the third transistor is electrically connected to a third line, wherein the photoelectric conversion element is electrically connected to the gate electrode of the first transistor through the second transistor so that the gate electrode of the first transistor is capable of storing electrical charge, wherein a channel of the second transistor comprises a first oxide semiconductor layer, wherein a channel of the third transistor comprises a second oxide semiconductor layer, wherein the interlayer insulating film is over the photoelectric conversion element, and wherein the third transistor is over the interlayer insulating film.