Organic electroluminescent display device

Details Organic electroluminescent display device Organic electroluminescent display device

2004-04-09

2009-02-03

Patel, Nimeshkumar D (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S504000, C313S503000

Reexamination Certificate

active

07486016

ABSTRACT:
An organic electroluminescent display device includes an anode electrode formed on a substrate; a buffer pattern formed under the anode electrode having a certain thickness; a pixel define layer for exposing a portion of the anode electrode; an organic thin film layer formed on the anode electrode; and a cathode electrode formed on the substrate. An upper surface of the pixel define layer is at least coplanar with or lower than that of the anode electrode. The thickness of the pixel define layer is at least substantially the same as or less than a sum of thicknesses of the anode electrode and the buffer pattern.

REFERENCES:
patent: 6758538 (2004-07-01), Fujita et al.
patent: 6831407 (2004-12-01), Cok
patent: 7038373 (2006-05-01), Arnold et al.
patent: 2002/0043928 (2002-04-01), Cho
Office Action issued on Aug. 3, 2007 by the Chinese Intellectual Property Office for Chinese Patent Application No. 200410045940.9.

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