# US 10,374,165 B2 · Organic electronic device

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- Number: US 10,374,165 B2
- Document ID: US10374165B2
- Status: Granted
- Kind: B2
- Application number: 14/361,664
- Filed: 2012-11-30
- Published: 2014-12-04
- Granted: 2019-08-06
- Earliest claimed: 2011-11-30
- Assignees: Novaled GmbH
- Applicants: Novaled GmbH
- Inventors: Sascha Dorok; Carsten Rothe; Omrane Fadhel; Francois Cardinali
- Web page: https://patentgrep.com/patent/US10374165B2

## CPC

- C09K 11/06: containing organic luminescent materials
- C07F 9/5325: {Aromatic phosphine oxides or thioxides (P-C aromatic linkage)}
- C07F 9/5765: {condensed with carbocyclic rings or carbocyclic ring systems}
- H10K 50/171: {Electron injection layers}
- H10K 85/30: Coordination compounds
- H10K 85/60: Organic compounds having low molecular weight (H10K85/10 - H10K85/50 take precedence)
- H10K 85/649: {Aromatic compounds comprising a hetero atom}
- H10K 85/6572: {comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole}
- C09K 2211/181: of the alkali metals and alkaline earth metals
- H10K 10/462: {Insulated gate field-effect transistors [IGFETs]}
- H10K 30/50: Photovoltaic [PV] devices
- H10K 50/11: characterised by the electroluminescent [EL] layers
- H10K 50/16: Electron transporting layers
- Y02E 10/549: Organic PV cells
- C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C07F: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM (metal-containing porphyrins C07D487/22)
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

The present invention relates to an organic electronic device, comprising a first electrode, a second electrode, and a substantially organic layer comprising a compound according to formula (I) between the first and the second electrode: wherein A1 is a C6-C20 arylene and each of A2-A3 is independently selected from a C6-C20 aryl, wherein the aryl or arylene may be unsubstituted or substituted with groups comprising C and H or with a further LiO group, provided that the given C count in an aryl or arylene group includes also all substituents present on the said group.

## Claims

### Claim 1

An organic electronic device, comprising a first electrode, a second electrode, and a substantially organic layer arranged between the first electrode and the second electrode, the substantially organic layer comprising a compound according to formula (I):
wherein A1 is a C6-C20 arylene, and each of A2-A3 is independently selected from a C6-C20 aryl, wherein the aryl or arylene is unsubstituted or substituted with groups comprising C and H or with a further LiO group, wherein the C6-C20 carbons of the aryl or arylene groups includes all substituents present on the aryl or arylene groups.

### Claim 2 (depends on 1)

The organic electronic device according to claim 1, wherein A1 is a C6-C12 arylene.

### Claim 3 (depends on 1)

The organic electronic device according to claim 1, wherein each of A2-A3 is independently selected from a C6-C10 aryl.

### Claim 4 (depends on 1)

The organic electronic device according to claim 1, wherein A2 and A3 are phenyl.

### Claim 5 (depends on 1)

The organic electronic device according to claim 1, wherein A1 is o- or p-phenylene.

### Claim 6 (depends on 1)

The organic electronic device according to claim 1, wherein the substantially organic layer comprises an electron transport matrix compound.

### Claim 7 (depends on 6)

The organic electronic device according to claim 6, wherein the electron transport matrix compound comprises an imidazole or a P═O functional group.

### Claim 8 (depends on 6)

The organic-electronic device according to claim 6, wherein the compound according to formula (I) and the electron transport matrix compound are present in the substantially organic layer as a homogeneous mixture.

### Claim 9 (depends on 1)

The organic electronic device according to claim 1, wherein the device is selected from an organic light emitting diode, organic solar cell, or organic field effect transistor.

### Claim 10 (depends on 9)

The organic electronic device according to claim 9, wherein the device is an organic light emitting diode, wherein the first electrode is an anode, the second electrode is a cathode, and the device further comprises a light emitting layer arranged between the anode and the cathode, and wherein the substantially organic layer is arranged between the cathode and the light emitting layer.

### Claim 11 (depends on 10)

The organic electronic device according to claim 10, wherein the light emitting layer comprises a light emitting polymer.