Patent ID: 8698153
Filing Date: 2014-04-15
Classification: H01L

Abstract:
1. A semiconductor device comprising: a substrate; a thin film transistor formed on the substrate; a gate line having a first connecting portion; a source line having a second connecting portion; and first and second terminals for electrically connecting the thin film transistor to an external wiring, wherein the thin film transistor includes: an insulating film formed on the gate line; an island-like oxide semiconductor layer, formed on the insulating film, having a channel region, and a source region and a drain region positioned on both sides of the channel region, respectively; the source line electrically connected to the source region; and a drain electrode electrically connected to the drain region, the semiconductor device further comprises: a passivation film, provided on the source line and the drain electrode, for covering the thin film transistor; and a pixel electrode formed on the passivation film, the pixel electrode being in contact with the drain electrode, the first terminal includes: a first gate terminal portion formed from the same conductive film as the gate line and physically separated from the first connecting portion; and a first pixel electrode line formed on the insulating film and formed from the same conductive film as the pixel electrode, the first pixel electrode line being in contact with the first gate terminal portion in a first opening portion provided in the insulating film, covering an end face of the insulating film in the first opening portion, and being electrically connected to the first connecting portion, and the second terminal includes: a second gate terminal portion formed from the same conductive film as the gate line and physically separated from the second connecting portion; and a second pixel electrode line formed on the insulating film and formed from the same conductive film as the pixel electrode, the second pixel electrode line being in contact with the second gate terminal portion in a second opening portion provided in the insulating film, covering an end face of the insulating film in the second opening portion, and being electrically connected to the second connecting portion.