Patent ID: 8586991
Filing Date: 2013-11-19
Classification: G02F,H01L

Abstract:
1. A semiconductor device comprising: first, second, third and fourth transistors and a capacitor; wherein the first, second, third and fourth transistors are the same conductivity type, wherein a first electrode of the capacitor is directly connected to a gate of the first transistor, wherein a gate of the second transistor is directly connected to a first signal input terminal, wherein one of source and drain of the first transistor and one of source and drain of the third transistor are directly connected to a signal output terminal, wherein one of source and drain of the second transistor is electrically connected to a first power supply line, and the other of source and drain of the second transistor is directly connected to the signal output terminal, wherein the other of source and drain of the third transistor is directly connected to the first electrode of the capacitor, wherein one of source and drain of the fourth transistor is directly connected to the first electrode of the capacitor, wherein the other of source and drain of the fourth transistor is directly connected to a second signal input terminal, and wherein a second electrode of the capacitor is electrically connected to the second signal input terminal.