THIN-FILM TRANSISTOR ARRAY SUBSTRATE, ORGANIC LIGHT-EMITTING DISPLAY DEVICE INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE THIN-FILM TRANSISTOR ARRAY SUBSTRATE

摘要

A thin-film transistor (“TFT”) array substrate includes: a TFT including an active layer, a gate electrode, a source electrode, a drain electrode, a first insulating layer disposed between the active layer and the gate electrode, and a second insulating layer disposed between the gate electrode, and the source and drain electrode; a pixel electrode including a transparent conductive oxide and disposed in an opening defined in the second insulating layer; a capacitor including a first electrode disposed on a layer on which the active layer is disposed, and a second electrode disposed on a layer on which the gate electrode is disposed; a pad electrode disposed on the second insulating layer and including a material substantially the same as a material in the source electrode and the drain electrode; a first protective layer disposed on the pad electrode; and a second protective layer disposed on the first protective layer.

主权项

1. A thin-film transistor array substrate comprising:
a thin-film transistor comprising:
an active layer;a gate electrode disposed on the active layer;a source electrode connected to a source region of the active layer;a drain electrode connected to a drain region of the active layer;a first insulating layer disposed between the active layer and the gate electrode; anda second insulating layer disposed between the gate electrode and the source electrode, and between the gate electrode and the drain electrode; a pixel electrode disposed in an opening defined in the second insulating layer, wherein the pixel electrode comprises a transparent conductive oxide, and; a capacitor comprising:
a first electrode disposed on a layer, on which the active layer is disposed; anda second electrode disposed on a layer, on which the gate electrode is disposed; a pad electrode disposed on the second insulating layer, wherein the pad electrode comprises a material substantially the same as a material in the source electrode and the drain electrode; a first protective layer disposed on the pad electrode; and a second protective layer disposed on the first protective layer.