Patent ID: 8672723
Filing Date: 2014-03-18
Classification: H01L

Abstract:
1. A method of fabricating a top emission type organic electroluminescent display device, comprising: forming a switching thin film transistor and a driving thin film transistor in a pixel region on a first substrate; forming a passivation layer over the switching thin film transistor and the driving thin film transistor, the passivation layer having a drain contact hole exposing a drain electrode of the driving thin film transistor; forming a connection electrode in the pixel region on the passivation layer, the connection electrode contacting the drain electrode of the driving thin film transistor through the drain contact hole; forming a partition wall on the connection electrode and corresponding to a border between adjacent pixel regions, the partition wall overlapping an edge portion of the connection electrode having a width of a top surface wider than a width of a bottom surface; forming an x-ray shield layer on the connection electrode and separated in the pixel region due to the partition wall such that the x-ray shield layer is formed between the adjacent partition walls by depositing tungsten over a substantially entire surface of the first substrate; forming a first electrode on the x-ray shield layer and separated in the pixel region due to the partition wall; forming a bank of an inorganic insulating material, the bank covering the partition wall and contacting an edge portion of the first electrode; forming an organic emission layer on the first electrode between adjacent banks; forming a second electrode on the organic emission layer by an electron beam deposition method; and attaching the first substrate and a second substrate such that a seal pattern is formed between the first and second substrates along peripheries of the first and second substrates.