Patent ID: 9035299
Filing Date: 2015-05-19
Classification: G02F,H01L

Abstract:
1. A semiconductor device comprising: a first substrate; a plurality of TFTs supported by the first substrate, a plurality of pixel electrodes provided on the first substrate and arranged in a matrix with rows and columns, wherein each of the plurality of TFTs includes an oxide semiconductor layer supported by the first substrate, an insulating layer provided on the oxide semiconductor layer, a first electrode provided on the insulating layer, and a second electrode and a third electrode connected to the oxide semiconductor layer, wherein the second electrode and the third electrode are made of an oxide conductive layer that is the same oxide semiconductor film as said oxide semiconductor layer, with a reduced resistance, wherein each of the plurality of pixel electrodes is connected to the third electrode of a TFT corresponding thereto out of the plurality of TFTs, and is made of the oxide conductive layer, wherein the first electrode of each of the plurality of TFTs corresponding to the pixel electrodes belonging to any row is connected to a common first bus line, the first electrode and the first bus line including a first conductive layer made of the same conductive film, wherein the second electrode of each of the plurality of TFTs corresponding to the pixel electrodes belonging to any row is connected to a common second bus line, the second bus line including the oxide conductive layer, wherein the first bus line includes the first electrode, the second bus line includes the second electrode, each of the pixel electrodes includes the third electrode, wherein the second bus line includes a second conductive layer provided on the oxide conductive layer, the second conductive layer being made of the same conductive film as the first conductive layer, and wherein when viewing the first substrate from a normal line direction, there is no gap between the first bus line and the pixel electrodes, and a gap between the first bus line and the second conductive layer of the second bus line is filled with the oxide conductive layer.