Patent ID: 7151278
Filing Date: 2006-12-19
Classification: G09G,G11C,H01L,H03K

Abstract:
1. A display device comprising: first, second and third transistors, each having a gate electrode, a first electrode and a second electrode, and the second electrode of the first transistor electrically connected to the gate electrode of the second transistor; a first signal input portion electrically connected to the gate electrodes of the first and third transistors; a second signal input portion electrically connected to the first electrode of the first transistor; a third signal input portion electrically connected to the first electrode of the second transistor; a power supply electrically connected to the first electrode of the third transistor; and a signal output portion electrically connected to the second electrodes of the second and third transistors, wherein the first, second and third transistors are the same conductivity type, and wherein capacitor means is disposed between the gate electrode and the first electrode of said second transistor or between the gate electrode and the second electrode of said second transistor.