Patent ID: 8643586
Filing Date: 2014-02-04
Classification: G02F,G09G,G11C,H01L

Abstract:
1. A semiconductor device comprising: first to fifth transistors; and first to seventh wirings, wherein one of a source and a drain of the first transistor is electrically connected to the first wiring, wherein the other of the source and the drain of the first transistor is electrically connected to the second wiring, wherein one of a source and a drain of the second transistor is electrically connected to the third wiring, wherein the other of the source and the drain of the second transistor is electrically connected to the second wiring, wherein a gate of the second transistor is electrically connected to the fourth wiring, wherein one of a source and a drain of the third transistor is electrically connected to the fifth wiring, wherein the other of the source and the drain of the third transistor is electrically connected to a gate of the first transistor, wherein a gate of the third transistor is electrically connected to the sixth wiring, wherein one of a source and a drain of the fourth transistor is electrically connected to the third wiring, wherein the other of the source and the drain of the fourth transistor is electrically connected to a gate of the first transistor, wherein a gate of the fourth transistor is electrically connected to the fourth wiring, wherein one of a source and a drain of the fifth transistor is electrically connected to the third wiring, wherein the other of the source and the drain of the fifth transistor is electrically connected to the second wiring, and wherein a gate of the fifth transistor is electrically connected to the seventh wiring.