Patent ID: 8508459
Filing Date: 2013-08-13
Classification: G09G,G11C,H01L,H03K

Abstract:
1. A semiconductor device comprising: a pulse output circuit over a substrate, comprising: first to ninth transistors; first to sixth input terminals; and an output terminal, wherein the pulse output circuit is electrically connected to first to fifth power supply lines, wherein a first electrode of the first transistor is electrically connected to the first power supply line, a second electrode of the first transistor is electrically connected to a gate electrode of the third transistor, and a gate electrode of the first transistor is electrically connected to the fourth input terminal, wherein a first electrode of the second transistor is electrically connected to the second power supply line, a second electrode of the second transistor is electrically connected to the gate electrode of the third transistor, and a gate electrode of the second transistor is electrically connected to a gate electrode of the fourth transistor, wherein a first electrode of the third transistor is electrically connected to the first input terminal and a second electrode of the third transistor is electrically connected to the output terminal, wherein a first electrode of the fourth transistor is electrically connected to the third power supply line and a second electrode of the fourth transistor is electrically connected to the output terminal, wherein a first electrode of the fifth transistor is electrically connected to the fourth power supply line, a second electrode of the fifth transistor is electrically connected to the gate electrode of the second transistor and the gate electrode of the fourth transistor, and a gate electrode of the fifth transistor is electrically connected to the fourth input terminal, wherein a first electrode of the sixth transistor is electrically connected to the fourth power supply line, a second electrode of the sixth transistor is electrically connected to the gate electrode of the second transistor and the gate electrode of the fourth transistor, and a gate electrode of the sixth transistor is electrically connected to the fifth input terminal, wherein a first electrode of the seventh transistor is electrically connected to the fifth power supply line, a second electrode of the seventh transistor is electrically connected to the gate electrode of the second transistor and the gate electrode of the fourth transistor, and a gate electrode of the seventh transistor is electrically connected to the sixth input terminal, wherein a first electrode of the eighth transistor is electrically connected to the fifth power supply line, a second electrode of the eighth transistor is electrically connected to a second electrode of the ninth transistor, and a gate electrode of the eighth transistor is electrically connected to the second input terminal, and wherein a first electrode of the ninth transistor is electrically connected to the gate electrode of the second transistor and the gate electrode of the fourth transistor, and a gate electrode of the ninth transistor is electrically connected to the third input terminal.