Patent ID: 9343517
Filing Date: 2016-05-17
CPC Classification: G02F,G09G,H01L

Claim Text:
1. A semiconductor device comprising: a gate electrode; a gate insulating layer over the gate electrode; a semiconductor layer comprising an oxide semiconductor including indium over the gate insulating layer; a source electrode and a drain electrode over the semiconductor layer; a protective insulating layer over the source electrode and the drain electrode; a pixel electrode over the protective insulating layer and electrically connected to one of the source electrode and the drain electrode; a liquid crystal layer over the pixel electrode; a counter electrode over the liquid crystal layer; a conductive particle; and a common connection portion comprising: wherein the semiconductor layer has a recessed portion between the source electrode and the drain electrode, wherein an entirety of the semiconductor layer overlaps with the gate electrode, wherein a periphery portion of the semiconductor layer has a tapered shape, wherein the first conductive layer is electrically connected to the transparent conductive layer, wherein the second conductive layer is electrically connected to the transparent conductive layer, wherein a first part of the transparent conductive layer is located in a first opening of the second insulating layer and a second part of the transparent conductive layer is located in a second opening of the second insulating layer, wherein the transparent conductive layer is electrically connected to the counter electrode through the conductive particle, wherein the first conductive layer comprises a same material as the gate electrode, wherein the second conductive layer comprises a same material as one of the source electrode and the drain electrode, wherein the first insulating layer is a same layer as the gate insulating layer, wherein the second insulating layer is a same layer as the protective insulating layer, and wherein the conductive particle overlaps with the first conductive layer and the transparent conductive layer.