Patent ID: 9293601
Filing Date: 2016-03-22
CPC Classification: G02F,H01L

Claim Text:
1. A display device comprising a plurality of pixels, each of the plurality of pixels comprising: a first conductive layer over a first substrate; a second conductive layer over the first substrate; a first insulating layer over the first conductive layer; a semiconductor layer over the first insulating layer, the semiconductor layer overlapping with the first conductive layer with the first insulating layer therebetween; a second insulating layer over the semiconductor layer, the second insulating layer including a first contact hole and a second contact hole, wherein the second insulating layer covers a periphery of the semiconductor layer; a third conductive layer over the second insulating layer, the third conductive layer electrically connected to the semiconductor layer through the first contact hole; a fourth conductive layer over the second insulating layer, the fourth conductive layer electrically connected to the semiconductor layer through the second contact hole; a third insulating layer over the third conductive layer and the fourth conductive layer, the third insulating layer over a third contact hole; a pixel electrode over the third insulating layer, the pixel electrode electrically connected to one of the third conductive layer and the fourth conductive layer through the third contact hole; a first alignment film over the pixel electrode; a liquid crystal layer over the first alignment film; the liquid crystal layer including a liquid crystal; a second alignment film over the liquid crystal layer; and a second substrate over the second alignment film, wherein the pixel electrode overlaps with the second conductive layer with the third insulating layer therebetween, wherein an electric field is generated between the second conductive layer and the pixel electrode; wherein an alignment of the liquid crystal is controlled with the electric field, wherein the first conductive layer is a part of a first wiring, wherein the other of the third conductive layer and the fourth conductive layer is a part of a second wiring, wherein the first insulating layer and the second insulating layer are provided between the first wiring and the second wiring, and wherein an entirety of the semiconductor layer overlaps with the first conductive layer.