Patent ID: 9391598
Filing Date: 2016-07-12
CPC Classification: G11C,H03K

Claim Text:
1. A semiconductor device comprising: a first circuit comprising a first terminal, a second terminal, and a first output terminal, the first circuit configured to output a potential corresponding to a difference between the first terminal and the second terminal; and a second circuit comprising a third terminal and a second output terminal, the second circuit configured to amplify a potential being input from the third terminal, wherein the first terminal and the second terminal are electrically connected to each other through a first transistor, wherein the first output terminal is electrically connected to the third terminal, one of a source and a drain of a second transistor, and one of a source and a drain of a third transistor, wherein another of the source and the drain of the third transistor is electrically connected to a gate of the second transistor and one electrode of a capacitor, wherein a semiconductor layer of each of the first transistor and the second transistor comprises silicon, and wherein a semiconductor layer of the third transistor comprises indium, gallium, and zinc.