Backplane for flat panel display apparatus flat panel display apparatus comprising the same and manufacturing method of the backplane for flat panel display apparatus

摘要

According to an aspect of the present invention, there is provided a liquid crystal display comprising: a pixel electrode formed on a substrate and including a transparent conductive material; A gate second electrode formed on the gate first electrode and including a semiconductor material; and a gate electrode formed on the gate second electrode, A third gate electrode formed on the gate electrode and including a metal material; A first insulating layer covering the gate third electrode; An active layer of the thin film transistor formed on the first insulating layer and including a transparent conductive oxide; A second insulating layer covering the active layer; A source electrode and a drain electrode of the thin film transistor formed on the second insulating layer and connected to the active layer through the second insulating layer, at least one of which is connected to the pixel electrode; And a third insulating layer covering the source electrode and the drain electrode.