Patent ID: 7411586
Filing Date: 2008-08-12
Classification: G09G,H01L

Abstract:
1. A light emitting device having a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a light emitting element, a power supply line, and a signal line, wherein the first transistor and the second transistor are connected to each other at their gates, wherein the third transistor has a source and a drain one of which is connected to the signal line and the other of which is connected to a source of the first transistor, wherein the fourth transistor has a source and a drain one of which is connected to the gates of the first and second transistors and the other of which is connected to the power supply line, wherein the fifth transistor has a source and a drain one of which is connected to the source of the first transistor and the other of which is connected to a pixel electrode of the light emitting element, wherein the sixth transistor has a source and a drain one of which is connected to a source of the second transistor and the other of which is connected to the pixel electrode of the light emitting element, and wherein a gate of the fifth transistor and a gate of the sixth transistor are connected to each other.