Patent ID: 8575606
Filing Date: 2013-11-05
Classification: H01L

Abstract:
1. A back panel for a flat panel display apparatus, the back panel comprising: a pixel electrode disposed on a substrate and comprising a transparent conductive oxide; a thin-film transistor (TFT) gate electrode comprising a first gate electrode layer disposed on the same layer as the pixel electrode and comprising the same type of material as the pixel electrode, a second gate electrode layer disposed on the first gate electrode layer and comprising a semiconductor material, and a third gate electrode layer disposed on the second gate electrode layer and comprising a metal; a first insulating layer disposed on the third gate electrode layer; an active layer disposed on the first insulating layer; a second insulating layer disposed on the active layer; a first TFT electrode and a second TFT electrode disposed on the second insulating layer and connected to the active layer through the second insulating layer; and a third insulating layer disposed on the first TFT electrode and the second TFT electrode, wherein the first TFT electrode is electrically connected to the pixel electrode.