Patent ID: 7999263
Filing Date: 2011-08-16
Classification: G02F,H01L,Y10S

Abstract:
1. A semiconductor device comprising: a semiconductor having an active layer; a gate insulating film in contact with the semiconductor; a gate electrode opposite to the active layer through the gate insulating film; a first insulating film formed over the active layer; a second insulating film formed over the first insulating film; a third insulating film formed over the second insulating film; a wiring provided over the third insulating film; a pixel electrode over and electrically connected to the wiring; and a counter electrode opposed to the pixel electrode, wherein a first opening portion is provided in the second insulating film, an inner wall surface of the first opening portion is covered with the third insulating film, a second opening portion is provided in a laminate including the gate insulating film, the first insulating film, and the third insulating film inside the first opening portion, the semiconductor is connected with the wiring through the first opening portion and the second opening portion, and a part of a top surface of the third insulating film contacts the wiring in the first opening portion.