# US 12,010,910 B2 · Nitrogen-containing compound, and electronic element and electronic device comprising same

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- Number: US 12,010,910 B2
- Document ID: US12010910B2
- Status: Granted
- Kind: B2
- Application number: 18/550,745
- Filed: 2022-04-01
- Published: 2024-04-04
- Granted: 2024-06-11
- Earliest claimed: 2021-04-21
- Assignees: Shaanxi Lighte Optoelectronics Material Co., Ltd.
- Applicants: Shaanxi Lighte Optoelectronics Material Co., Ltd.
- Inventors: Tiantian Ma; Lei Yang
- Web page: https://patentgrep.com/patent/US12010910B2

## CPC

- H10K 85/633: {comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom}
- C07C 211/61: with at least one of the condensed ring systems formed by three or more rings
- C07C 255/58: containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the carbon skeleton
- C07D 209/86: with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
- C07D 307/91: Dibenzofurans; Hydrogenated dibenzofurans
- C07D 333/76: Dibenzothiophenes
- C07D 405/12: linked by a chain containing hetero atoms as chain links
- C07D 409/12: linked by a chain containing hetero atoms as chain links
- C07F 7/081: {comprising at least one atom selected from the elements N, O, halogen, S, Se or Te}
- H10K 85/636: {comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom}
- C07B 2200/05: Isotopically modified compounds, e.g. labelled
- C07C 2603/18: Fluorenes; Hydrogenated fluorenes
- C07C 2603/94: containing "free" spiro atoms
- C07C 2603/97: containing five-membered rings
- H10K 30/00: Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation (integrated devices or assemblies of multiple devices H10K39/00, H10K65/00; electrolytic light-sensitive devices H01G9/20)
- H10K 50/181: {Electron blocking layers}
- H10K 85/624: {containing six or more rings}
- H10K 85/626: {containing more than one polycyclic condensed aromatic rings, e.g. bis-anthracene}
- H10K 85/6572: {comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole}
- H10K 85/6574: {comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes}
- H10K 85/6576: {comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene}
- Y02E 10/549: Organic PV cells
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- C07C: ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)
- C07F: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM (metal-containing porphyrins C07D487/22)
- C07B: GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR (preparation of carboxylic acid esters by telomerisation C07C67/47; telomerisation C08F)
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

The present disclosure belongs to the technical field of organic materials, and provides a nitrogen-containing compound, and an electronic element and an electronic device comprising same. The nitrogen-containing compound has a structure as presented by chemical formula 1.

## Claims

### Claim 1

A nitrogen-containing compound, having a structure shown in Chemical Formula 1:
wherein:
L is selected from the group consisting of single bond, unsubstituted phenylene, and unsubstituted dibenzofuranylene;
L1, and L2 are each independently selected from the group consisting of single bond, substituted or unsubstituted phenylene, and substituted or unsubstituted biphenylene;
substituents in L1 and L2 are identical or different, and are each independently selected from the group consisting of deuterium, fluorine, cyano, methyl, ethyl, n-propyl, isopropyl, tert-butyl, and phenyl;
Ar1 and Ar2 are identical or different, and are each independently selected from the group consisting of substituted or unsubstituted phenyl, substituted or unsubstituted naphthyl, substituted or unsubstituted biphenyl, substituted or unsubstituted fluorenyl, substituted or unsubstituted triphenyl, substituted or unsubstituted dibenzofuranyl, substituted or unsubstituted dibenzothiophenyl, substituted or unsubstituted carbazolyl, and substituted or unsubstituted
substituents in Ar1 and Ar2 are identical or different, and are each independently selected from the group consisting of deuterium, fluorine, cyano, methyl, ethyl, n-propyl, isopropyl, tert-butyl, phenyl, trimethylsilyl, and triphenylsilyl.

### Claim 2 (depends on 1)

The nitrogen-containing compound according to claim 1, wherein L1 and L2 are each independently selected from the group consisting of single bond, and substituted or unsubstituted groups V, the unsubstituted groups V being selected from the group consisting of the following groups:
wherein the substituted groups V each have one or more substituents, the substituents being each independently selected from the group consisting of deuterium, fluorine, cyano, methyl, n-propyl, isopropyl, tert-butyl, and phenyl; and when the number of the substituents in the group V is greater than 1, the substituents are the same or different.

### Claim 3 (depends on 1)

The nitrogen-containing compound according to claim 1, wherein Ar1 and Ar2 are selected from substituted or unsubstituted groups W, the unsubstituted groups W being selected from the group consisting of the following groups:
wherein the substituted groups W each have one or more substituents, the substituents being each independently selected from the group consisting of deuterium, fluorine, cyano, methyl, ethyl, n-propyl, isopropyl, tert-butyl, phenyl, trimethylsilyl, and triphenylsilyl; and when the number of the substituents in the group W is greater than 1, the substituents are the same or different.

### Claim 4 (depends on 1)

The nitrogen-containing compound according to claim 1, wherein the nitrogen-containing compound is selected from the group consisting of the following compounds:

### Claim 5 (depends on 1)

An electronic element, comprising an anode and a cathode disposed opposite to each other, and a functional layer disposed between the anode and the cathode, wherein the functional layer comprises the nitrogen-containing compound according to claim 1.

### Claim 6 (depends on 5)

The electronic element according to claim 5, wherein the functional layer comprises an electron blocking layer, the electronic blocking layer comprising the nitrogen-containing compound.

### Claim 7 (depends on 5)

The electronic element according to claim 5, wherein the electronic element is an organic electroluminescent device or a photoelectric conversion device.

### Claim 8 (depends on 5)

An electronic device, comprising the electronic element according to claim 5.