Display device, electronic device and method for fabricating the same

A method for fabricating a display device, comprising:

• depositing a first conductive layer on a substrate;
• forming a first insulating film on the first conductive layer;
• planarizing the first insulating film;
• creating a first contact hole through the first insulating film to expose the first conductive layer;
• depositing a second conductive layer on the first insulating film, connected to the first conductive layer through the first contact hole;
• forming a second insulating film in the first contact hole and on the first insulating film and the second conductive layer;
• depositing an organic film in the first contact hole and on the second insulating film;
• removing the organic film from the second insulating film without a mask to form a filler within the first contact hole;
• exposing the second conductive layer;
• creating a second contact hole overlapping the first contact hole on the second conductive layer;
• depositing a third conductive layer, connected to the second conductive layer through the second contact hole;
• and
• forming a light emitting element layer on the third conductive layer.

An electronic device comprising:

• a display device including a screen;
• wherein the display device comprises:
• a substrate;
• a light emitting element layer on the substrate;
• a first conductive layer between the substrate and the light emitting element layer;
• a first insulating film on the first conductive layer and having a first contact hole;
• a second insulating film between the first insulating film and the light emitting element layer and having a second contact hole overlapping the first contact hole;
• a second conductive layer on the first insulating film and connected to the first conductive layer through the first contact hole;
• a first filler in the first contact hole;
• and
• a third insulating film in the first contact hole and positioned between the second conductive layer and the first filler.