Patent ID: 9576995
Date: 2017-02-21
CPC Classifications: H01L

Claim:
1. An imaging device comprising: a first circuit comprising; a second circuit comprising a sixth transistor comprising a source and a drain; and a third circuit comprising a seventh transistor comprising a source and a drain and a resistor comprising a first terminal and a second terminal, wherein the first terminal of the photoelectric conversion element is electrically connected to one of the source and the drain of the first transistor, wherein the other of the source and the drain of the first transistor is electrically connected to the first terminal of the first capacitor, wherein one of the source and the drain of the second transistor is electrically connected to the second terminal of the first capacitor, wherein the second terminal of the first capacitor is electrically connected to the first terminal of the second capacitor, wherein one of the source and the drain of the third transistor is electrically connected to the second terminal of the second capacitor, wherein the other of the source and the drain of the third transistor is electrically connected to one of the source and the drain of the fourth transistor, wherein a gate of the fourth transistor is electrically connected to the one of the source and the drain of the third transistor, wherein one of the source and the drain of the fifth transistor is electrically connected to the other of the source and the drain of the fourth transistor, wherein the other of the source and the drain of the fifth transistor is electrically connected to one of the source and the drain of the sixth transistor, wherein one of the source and the drain of the seventh transistor is electrically connected to the other of the source and the drain of the fifth transistor, and wherein the other of the source and the drain of the seventh transistor is electrically connected to the first terminal of the resistor.