Patent ID: 8482491
Filing Date: 2013-07-09
Classification: G09G,H01L

Abstract:
1. A light emitting device comprising: a first transistor comprising a gate, a source, and a drain; a second transistor comprising a gate, a source and a drain; a third transistor comprising a gate, a source and a drain; a first line; a pixel electrode; and a capacitor comprising a first terminal and a second terminal, wherein the drain of the first transistor is electrically connected to the first line; wherein the source of the first transistor is directly connected to the first terminal of the capacitor; wherein the gate of the first transistor is electrically connected to the gate of the second transistor; wherein the drain of the second transistor is electrically connected to the first line; wherein the source of the second transistor is electrically connected to the first terminal of the capacitor; wherein the second terminal of the capacitor is electrically connected to the gate of the first transistor and the gate of the second transistor; wherein one of the source and the drain of the third transistor is electrically connected to the source of the second transistor; wherein the other of the source and the drain of the third transistor is electrically connected to the pixel electrode; wherein the first transistor is an n-channel transistor; and wherein the second transistor is an n-channel transistor.