ANODE FOR AN ORGANIC ELECTRONIC DEVICE

• US 20110221061A1
• Filed: 12/01/2009
• Published: 09/15/2011
• Est. Priority Date: 12/01/2008
• Status: Abandoned Application

• Current Assignee: E. I. du Pont de Nemours and Company (Corteva, Inc.)
• Original Assignee: E. I. du Pont de Nemours and Company (Corteva, Inc.)
• Inventors: Meinel, Ines, Prakash, Shiva
• Application Number:
  US13/127,250
• Publication Number:
  US 20110221061A1
• Time in Patent Office: Days
• US Class Current: 257/749
• CPC Class Codes: H01L 2924/00 Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
• CPC Class Codes: H01L 2924/0002 Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
• CPC Class Codes: H05B 33/28 of translucent electrodes
• CPC Class Codes: H10K 50/816 Multilayers, e.g. transparent multilayers

Abstract

There is provided an anode for an organic electronic device. The anode has (a) a first layer which is a conducting inorganic material and (b) a second ultrathin layer which is a metal oxide

Claims

1. An anode for an organic electronic device comprising (a) a first layer comprising a conducting inorganic material and (b) a second ultrathin layer comprising a metal oxide.

2. The anode of claim 1, wherein the conducting inorganic material is selected from the group consisting of indium-tin-oxide, indium-zinc-oxide, aluminum-tin-oxide, aluminum-zinc-oxide, and zirconium-tin-oxide.

3. The anode of claim 1, wherein the metal oxide is selected from the group consisting of oxides of Group 3-13 metals and lanthanide metals.

4. The anode of claim 1, wherein the metal oxide is selected from the group consisting of aluminum oxides, molybdenum oxides, vanadium oxides, chromium oxides, tungsten oxides, nickel oxides, niobium oxides, yttrium oxides, samarium oxides, praseodymium oxides, terbium oxides and ytterbium oxides.

5. A process for forming an anode, comprising:

providing a substrate,

forming a first anode layer comprising a conducting inorganic material on the substrate; and

forming a second ultrathin anode layer comprising a metal oxide by Atomic Layer Deposition.

6. An organic electronic device comprising:

a substrate,

an anode comprising (a) a first layer comprising a conducting inorganic material and (b) a second ultrathin layer comprising a metal oxide,

at least one organic active layer, and

a cathode.

7. The device of claim 6, wherein the conducting inorganic material is selected from the group consisting of indium-tin-oxide, indium-zinc-oxide, aluminum-tin-oxide, aluminum-zinc-oxide, and zirconium-tin-oxide.

8. The device of claim 6, wherein the substrate is a TFT substrate.

9. The device of claim 6, wherein the metal oxide is selected from the group consisting of oxides of Group 3-13 metals and lanthanide metals.

10. The device of claim 6, wherein the metal oxide is selected from the group consisting of aluminum oxides, molybdenum oxides, vanadium oxides, chromium oxides, tungsten oxides, nickel oxides, niobium oxides, yttrium oxides, samarium oxides, praseodymium oxides, terbium oxides and ytterbium oxides.

11. A process for forming an organic electronic device, comprising:

providing a TFT substrate;

forming a first anode layer comprising a conducting inorganic material on the TFT substrate;

forming an ultrathin second anode layer comprising a metal oxide on the first layer by Atomic Layer Deposition;

forming at least one organic active layer by a liquid deposition technique;

forming a cathode.