# US 2025/0098533 A1 · Organic compound, organic electroluminescent device, and electronic apparatus

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2025/0098533 A1
- Document ID: US20250098533A1
- Status: Published application
- Kind: A1
- Application number: 18/280,216
- Filed: 2023-02-16
- Published: 2025-03-20
- Earliest claimed: 2022-05-12
- Assignees: Shaanxi Lighte Optoelectronics Material Co., Ltd.
- Applicants: Shaanxi Lighte Optoelectronics Material Co., Ltd.
- Inventors: Tiantian MA; Kongyan ZHANG; Xinxuan LI
- Web page: https://patentgrep.com/patent/US20250098533A1

## CPC

- H10K 85/6572: {comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole}
- C07D 209/82: Carbazoles; Hydrogenated carbazoles
- C07D 307/91: Dibenzofurans; Hydrogenated dibenzofurans
- C07D 333/76: Dibenzothiophenes
- C07D 405/14: containing three or more hetero rings
- C07D 409/14: containing three or more hetero rings
- H10K 50/00: Organic light-emitting devices (integrated devices or assemblies of multiple devices H10K59/00, H10K65/00; organic semiconductor lasers H01S5/36)
- H10K 50/11: characterised by the electroluminescent [EL] layers
- H10K 85/615: {Polycyclic condensed aromatic hydrocarbons, e.g. anthracene}
- H10K 85/654: {comprising only nitrogen as heteroatom (H10K85/652 takes precedence)}
- 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}
- H10K 99/00: Subject matter not provided for in other groups of this subclass
- H10K 50/12: comprising dopants
- H10K 50/15: Hole transporting layers
- H10K 50/17: Carrier injection layers
- Y02E 10/549: Organic PV cells
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

The present disclosure relates to an organic compound, an organic electroluminescent device and an electronic apparatus. The organic compound of the present disclosure has a structure shown in a formula 1, and when the organic compound is applied in an organic electroluminescent device, the performance of the device can be significantly improved.

## Claims

### Claim 1

An organic compound, having a structure shown in a formula 1:
wherein * denotes a connection site;
X is selected from C(R3R4), O or S;
a group A is selected from substituted or unsubstituted aryl with 6 to 12 carbon atoms;
L1 is selected from a single bond, substituted or unsubstituted arylene with 6 to 30 carbon atoms, and substituted or unsubstituted heteroarylene with 3 to 30 carbon atoms;
Ar1 is selected from substituted or unsubstituted aryl with 6 to 30 carbon atoms, and substituted or unsubstituted heteroaryl with 3 to 30 carbon atoms;
each R1 and each R2 are the same or different, and are respectively and independently selected from deuterium, a halogen group, cyano, alkyl with 1 to 10 carbon atoms, deuterated alkyl with 1 to 10 carbon atoms, haloalkyl with 1 to 10 carbon atoms, aryl with 6 to 20 carbon atoms, deuterated aryl with 6 to 20 carbon atoms, and heteroaryl with 3 to 20 carbon atoms;
n1 is the number of R1, and is selected from 0, 1, 2, 3, 4, 5, 6 or 7, and when n1 is greater than 1, any two R1 are the same or different;
n2 is the number of R2, and is selected from 0, 1, 2, 3, 4, 5, 6 or 7, and when n2 is greater than 1, any two R2 are the same or different;
R3 and R4 are respectively and independently selected from hydrogen, deuterium, alkyl with 1 to 10 carbon atoms or deuterated alkyl with 1 to 10 carbon atoms;
substituents in the group A are the same or different, and are respectively and independently selected from deuterium, a halogen group, cyano, alkyl with 1 to 4 carbon atoms, deuterated alkyl with 1 to 4 carbon atoms, haloalkyl with 1 to 4 carbon atoms or phenyl; and
substituents in L1 and Ar1 are the same or different, and are respectively and independently selected from deuterium, a halogen group, cyano, alkyl with 1 to 10 carbon atoms, deuterated alkyl with 1 to 10 carbon atoms, haloalkyl with 1 to 10 carbon atoms, aryl with 6 to 20 carbon atoms, heteroaryl with 3 to 20 carbon atoms, cycloalkyl with 3 to 20 carbon atoms, deuterated aryl with 6 to 20 carbon atoms, haloaryl with 6 to 20 carbon atoms, and triarylsilyl with 18 to 24 carbon atoms.

### Claim 2 (depends on 1)

The organic compound according to claim 1, wherein the organic compound has a structure represented by a formula 1-1, a formula 1-2, a formula 1-3, a formula 1-4, a formula 1-5, or a formula 1-6:

### Claim 3 (depends on 1)

The organic compound according to claim 1, wherein the group A is selected from substituted or unsubstituted phenyl, substituted or unsubstituted biphenyl, and substituted or unsubstituted naphthyl; and
preferably, substituents in the group A are the same or different, and are respectively and independently selected from deuterium, fluorine, cyano, methyl, ethyl, n-propyl, tert-butyl or phenyl.

### Claim 4 (depends on 1)

The organic compound according to claim 1, wherein the group A is selected from

### Claim 5 (depends on 1)

The organic compound according to claim 1, wherein L1 is selected from a single bond, substituted or unsubstituted phenylene, substituted or unsubstituted naphthylene, substituted or unsubstituted biphenylene, substituted or unsubstituted carbazolylene, substituted or unsubstituted dibenzofurylene, and substituted or unsubstituted dibenzothenylene; and
preferably, substituents in L1 are the same or different, and are respectively and independently selected from deuterium, fluorine, cyano, methyl, ethyl, n-propyl, isopropyl, tert-butyl, phenyl or pentadeuteriophenyl.

### Claim 6 (depends on 1)

The organic compound according to claim 1, wherein Ar1 is selected from substituted or unsubstituted aryl with 6 to 25 carbon atoms, and substituted or unsubstituted heteroaryl with 12 to 20 carbon atoms; and
preferably, substituents in Ar1 are the same or different, and are respectively and independently selected from deuterium, a halogen group, cyano, alkyl with 1 to 5 carbon atoms, phenyl, or pentadeuterophenyl.

### Claim 7 (depends on 1)

The organic compound according to claim 1, wherein Ar1 is selected from substituted or unsubstituted phenyl, substituted or unsubstituted biphenyl, substituted or unsubstituted naphthyl, substituted or unsubstituted fluorenyl, substituted or unsubstituted terphenyl, substituted or unsubstituted dibenzofuranyl, substituted or unsubstituted dibenzothienyl, and substituted or unsubstituted carbazolyl; and
preferably, substituents in the Ar1 are the same or different, and are respectively and independently selected from deuterium, fluorine, cyano, methyl, ethyl, n-propyl, isopropyl, tert-butyl, phenyl or pentadeuterophenyl.

### Claim 8 (depends on 1)

The organic compound according to claim 1, wherein Ar1 is selected from substituted or unsubstituted phenanthryl; and
preferably, substituents in Ar1 are the same or different, and are respectively and independently selected from deuterium, fluorine, cyano, methyl, ethyl, n-propyl, isopropyl, tert-butyl, phenyl or pentadeuterophenyl.

### Claim 9 (depends on 1)

The organic compound according to claim 1, wherein
is selected from a substituted or unsubstituted group V, wherein the unsubstituted groups V is selected from the group consisting of:
and
the substituted group V has one or two or more substituents, the substituents in substituted group V are respectively and independently selected from the group consisting of deuterium, fluorine, cyano, methyl, ethyl, n-propyl, isopropyl, tert-butyl, phenyl or pentadeuterophenyl, and when the number of the substituents on the group V is greater than 1, the substituents are the same or different.

### Claim 10 (depends on 1)

The organic compound according to claim 1, wherein
is selected from the group consisting of:

### Claim 11 (depends on 1)

The organic compound according to claim 1, wherein each R1 and each R2 are the same or different, and are respectively and independently selected from deuterium, fluorine, cyano, methyl, ethyl, n-propyl, isopropyl, tert-butyl, phenyl, naphthyl, biphenyl or pentadeuteriophenyl.

### Claim 12 (depends on 1)

The organic compound according to claim 1, wherein R3 and R4 are the same or different, and are respectively and independently selected from hydrogen, deuterium or methyl.

### Claim 13 (depends on 1)

The organic compound according to claim 1, wherein the organic compound is selected from the following compounds:

### Claim 14 (depends on 1)

An organic electroluminescent device, comprising an anode and a cathode which are oppositely disposed, and a functional layer disposed between the anode and the cathode; wherein
the functional layer comprises the organic compound according to claim 1;
preferably, the functional layer comprises an organic light-emitting layer; and
preferably, the organic electroluminescent device is a green organic electroluminescent device.

### Claim 15 (depends on 14)

An electronic apparatus, comprising the organic electroluminescent device according to claim 14.