Liquid crystal display device

A liquid crystal display device comprising:na gate electrode;a first insulating layer over the gate electrode;a semiconductor layer over and in contact with the first insulating layer, wherein the semiconductor layer overlaps with the gate electrode;a source electrode over the semiconductor layer, the source electrode electrically connected to the semiconductor layer;a drain electrode over the semiconductor layer, the drain electrode electrically connected to the semiconductor layer;a first transparent conductive layer over and in contact with the first insulating layer, the first transparent conductive layer electrically connected to one of the source electrode and the drain electrode;a second insulating layer over the first insulating layer, the semiconductor layer, the source electrode and the drain electrode;a second transparent conductive layer over the second insulating layer, the second transparent conductive layer having a slit; anda liquid crystal layer over the second transparent conductive layer.

A liquid crystal display device comprising:na first insulating layer;a semiconductor layer over and in contact with the first insulating layer;a first transparent conductive layer over and in contact with the first insulating layer;a second insulating layer over the first transparent conductive layer;a first conductive layer comprising a first metal over the second insulating layer, the first conductive layer electrically connected to the semiconductor layer;a second conductive layer comprising a second metal over the second insulating layer, the second conductive layer electrically connected to the first transparent conductive layer, wherein the second metal is the same as the first metal;a third insulating layer over the second insulating layer; anda second transparent conductive layer over the third insulating layer, the second transparent conductive layer having a slit,wherein the first transparent conductive layer and the second transparent conductive layer overlap with each other with the second insulating layer and the third insulating layer located between the first transparent conductive layer and the second transparent conductive layer.