Patent ID: 6809482
Filing Date: 2004-10-26
Classification: G09G,H01L

Abstract:
A light emitting device comprising a plurality of pixels, each of the plurality of pixels including:a first thin film transistor including a first source region, a first drain region and a first gate electrode; a second thin film transistor including a second source region, a second drain region and a second gate electrode; a third thin film transistor including a third source region, a third drain region and a third gate electrode; a light emitting element including a pixel electrode; a first wiring; and a second wiring; wherein one of the first source and drain regions of the first thin film transistor is electrically connected to the second gate electrode of the second thin film transistor while the other of the first source and drain regions is electrically connected to the first wiring, wherein one of the second source and drain regions of the second thin film transistor is electrically connected to the second wiring while the other of the second source and drain regions of one of the third source and drain regions of the third thin film transistor, wherein the other of the third source and drain regions of the third thin film transistor is electrically connected to the pixel electrode of the light emitting element, wherein first gate electrodes of first thin film transistors in the plurality of pixels are electrically connected each other, wherein third gate electrodes of third thin film transistors in the plurality of pixels are electrically connected each other.