Patent ID: 7520790
Filing Date: 2009-04-21
Classification: H01L

Abstract:
1. A manufacturing method of a display device comprising the steps of: forming a thin film transistor having a gate insulating film, a gate electrode and a semiconductor layer having a source region, a drain region and a channel forming region between the source and drain regions over a first substrate with an insulating surface; forming an insulating film over the thin film transistor; selectively forming a first electrode over the insulating film; forming an opening disposed above the source region or the drain region by selectively removing the insulating film; forming a contact hole reaching the source region or the drain region by selectively removing the gate insulating film; forming a conductive film on the first electrode and the insulating film; forming a source electrode or a drain electrode reaching the source region or the drain region, and a depression in the insulating film by selectively removing the conductive film and the insulating film; forming a partition wall covering the source electrode or the drain electrode, an end portion of the first electrode, and the depression in the insulating film; forming a layer containing an organic compound on the first electrode; forming a second electrode on the layer containing an organic compound; and encapsulating a display element including the first electrode, the layer containing an organic compound and the second electrode over the first substrate by pasting a second substrate to the first substrate with a sealant surrounding a peripheral portion of the display element.