Patent ID: 7955975
Filing Date: 2011-06-07
Classification: G02F,H01L,Y10S

Abstract:
1. A method for manufacturing a semiconductor device, comprising the steps of: forming a first nitride insulating film covering a thin film transistor; forming a photosensitive organic resin film over the first nitride insulating film; forming a first opening portion exposing a part of the first nitride insulating film in the photosensitive organic resin film by exposure and development of the photosensitive organic resin film; forming a second nitride insulating film covering a top surface of the photosensitive organic resin film and an inner wall surface of the first opening portion; forming a second opening portion inside the first opening portion by etching the first nitride insulating film and the second nitride insulating film; and forming an electrode electrically connected to an island-like semiconductor film in the thin film transistor through the second opening portion, wherein a curvature radius of the inner wall surface of the photosensitive organic resin film continuously increases in a direction from a bottom portion of the first opening portion to a top portion of the first opening portion.