LG Display Co., Ltd.
Thin Film Transistor and Display Device Including the Same

Abstract:

A display device includes a substrate, a semiconductor layer on the substrate, a gate insulating layer on the semiconductor layer, a first upper hydrogen blocking layer on the gate insulating layer and having a positive hydrogen formation energy, a first upper hydrogen capturing layer on the first upper hydrogen blocking layer corresponding to a central portion of the semiconductor layer and having a negative hydrogen formation energy, a gate electrode on the first upper hydrogen capturing layer, a source electrode and a drain electrode connected to both end portions of the semiconductor layer, and a passivation layer on the gate electrode, the source electrode and the drain electrode.