Patent ID: 8982589
Filing Date: 2015-03-17
Classification: H01L,H02M

Abstract:
1. A boosting circuit comprising: a first transistor comprising a first gate electrode, a first source electrode, and a first drain electrode; a second transistor comprising a second gate electrode, a second source electrode, and a second drain electrode; a first capacitor; and a second capacitor, wherein the first gate electrode, one of the first source electrode and the first drain electrode, and one of the second source electrode and the second drain electrode are electrically connected to one another, wherein the other of the first source electrode and the first drain electrode, the second gate electrode, one electrode of the first capacitor, and one electrode of the second capacitor are electrically connected to one another, wherein the other of the second source electrode and the second drain electrode and the other electrode of the first capacitor are electrically connected to each other, wherein the first transistor includes a channel formation region comprising a first oxide semiconductor layer, and wherein the second transistor includes a channel formation region comprising a second oxide semiconductor layer.