Patent ID: 9691789
Date: 2017-06-27
CPC Classifications: G02F,G09G,G11C,H01L

Claim:
1. A semiconductor device comprising: a transistor; a terminal portion; a first copper layer and a second copper layer; a first insulating layer over the first copper layer and the second copper layer; an oxide semiconductor film over the first insulating layer; a third copper layer and a fourth copper layer over the first insulating layer; a second insulating layer over the oxide semiconductor film, the third copper layer and the fourth copper layer; and a pixel electrode and an electrode over the second insulating layer, wherein the pixel electrode and the electrode are transparent, wherein the third copper layer is electrically connected to the oxide semiconductor film, wherein the oxide semiconductor film comprises a channel region of the transistor, wherein the first copper layer comprises a gate electrode of the transistor, wherein the fourth copper layer is directly in contact with the second copper layer through a first contact hole of the first insulating layer, wherein the pixel electrode is electrically connected to the third copper layer, wherein the electrode is electrically connected to the second copper layer through the fourth copper layer, and wherein the terminal portion comprises the second copper layer, the fourth copper layer, and the electrode.