COMPOUND, ORGANIC ELECTROLUMINESCENCE DEVICE AND DISPLAY DEVICE
The present disclosure relates to the field of organic electroluminescence, in particular to a compound, an organic electroluminescence device and a display device. The compound has a structure shown in a formula (I): and X is selected from O atom or S atom; X 1 -X 8 are each independently selected from C atoms or N atoms, and at least one of X 1 -X 8 is N atoms; A and B are each independently selected from any one or more of the substituted or unsubstituted C6-C40 aryl, and substituted or unsubstituted C4-C40 heteroaryl; R 1 is selected from C1-C9 alkyl, substituted or unsubstituted C6-C18 aryl, substituted or unsubstituted C4-C30 heteroaryl.
1 . A compound, wherein the compound has a structure as shown in a formula (I):
wherein X is selected from O atom or S atom; X 1 -X 8 are each independently selected from C atoms or N atoms, and at least one of X 1 -X 8 is N atoms; A and B are each independently selected from any one or more of substituted or unsubstituted C6-C40 aryl, and substituted or unsubstituted C4-C40 heteroaryl; and
R 1 is selected from C1-C9 alkyl, substituted or unsubstituted C6-C18 aryl, and substituted or unsubstituted C4-C30 heteroaryl.
2 . The compound according to claim 1 , wherein the C6-C40 aryl is selected from phenyl, naphthyl and anthryl, and the C4-C40 heteroaryl is selected from pyridyl, pyrrolyl, indolyl, pyrimidyl, furyl and thienyl.
3 . The compound according to claim 1 , wherein the C6-C18 aryl is selected from phenyl, naphthyl and anthryl, and the C4-C30 heteroaryl is selected from pyridyl, pyrrolyl, indolyl, pyrimidyl, thienyl, furyl, dibenzothiophenyl, and dibenzofuranyl.
4 . The compound according to claim 1 , wherein two of X 1 -X 8 are N atoms.
5 . The compound according to claim 1 , wherein
in X 1 -X 8 , X 1 and X 3 are N atoms, and the rest are C atoms; or,
in X 1 -X 8 , X 1 and X 6 are N atoms, and the rest are C atoms; or,
in X 1 -X 8 , X 1 and X 8 are N atoms, and the rest are C atoms; or,
in X 1 -X 8 , X 2 and X 3 are N atoms, and the rest are C atoms; or,
in X 1 -X 8 , X 2 and X 7 are N atoms, and the rest are C atoms; or,
in X 1 -X 8 , X 3 and X 4 are N atoms, and the rest are C atoms; or,
in X 1 -X 8 , X 3 and X 5 are N atoms, and the rest are C atoms; or,
in X 1 -X 8 , X 3 and X 6 are N atoms, and the rest are C atoms; or,
in X 1 -X 8 , X 4 and X 5 are N atoms, and the rest are C atoms; or,
in X 1 -X 8 , X 5 and X 6 are N atoms, and the rest are C atoms; or,
in X 1 -X 8 , X 7 and X 8 are N atoms, and the rest are C atoms.
6 . The compound according to claim 1 , wherein
in X 1 -X 8 , X 1 and X 8 are N atoms, and the rest are C atoms; or,
in X 1 -X 8 , X 2 and X 7 are N atoms, and the rest are C atoms; or,
in X 1 -X 8 , X 3 and X 6 are N atoms, and the rest are C atoms; or,
in X 1 -X 8 , X 4 and X 5 are N atoms, and the rest are C atoms.
7 . The compound according to claim 1 , wherein among the substituted C6-C40 aryl, substituted C4-C40 heteroaryl, substituted C6-C18 aryl, and substituted C4-C30 heteroaryl, the substituents are each independently selected from any one or more of C1-C10 alkyl or cycloalkyl, C2-C10 alkenyl, C1-C6 alkoxyl, C6-C30 monocyclic aryl or condensed-ring aryl, and C3-C30 monocyclic heteroaryl or condensed-ring heteroaryl.
8 . The compound according to claim 1 , wherein the compound has a structure as shown in a formula (I-1):
wherein X is selected from O atom or S atom; X 1 to X 8 are each independently selected from C atoms or N atoms, and R 1 is selected from one or more of
wherein Y 1 -Y 5 are each independently selected from C atoms or N atoms, and Z 1 and Z 2 are each independently selected from O atoms, S atoms or N atoms; and # indicates a connection position.
9 . The compound according to claim 1 , wherein the compound has a structure as shown in a formula (I-2):
wherein X is selected from O atom or S atom; X 1 -X 8 are each independently selected from C atoms or N atoms, X 9 is selected from O atom, S atom or N atom, and
R 1 is selected from one or more of
wherein Y 1 -Y 5 are each independently selected from C atoms or N atoms, and Z 1 and Z 2 are each independently selected from O atoms, S atoms or N atoms; and # indicates a connection position.
10 . The compound according to claim 1 , wherein the compound has a structure as shown in a formula (I-3):
wherein X is selected from O atom or S atom; X 1 -X 8 are each independently selected from C atoms or N atoms, and at least one of X 10 -X 17 is N atoms, and
R 1 is selected from one or more of
wherein Y 1 -Y 5 are each independently selected from C atoms or N atoms, and Z 1 and Z 2 are each independently selected from O atoms, S atoms or N atoms; and # indicates a connection position.
11 . The compound according to claim 10 , wherein at least one of X 10 -X 13 is N atoms.
12 . The compound according to claim 10 , wherein at least one of X 14 -X 17 is N atoms.
13 . The compound according to claim 1 , wherein the compound has a structure as shown in a formula (I-4):
wherein X is selected from O atom or S atom; X 1 -X 8 are each independently selected from C atoms or N atoms, and
R 1 is selected from one or more of
wherein Y 1 -Y 5 are each independently selected from C atoms or N atoms, and Z 1 and Z 2 are each independently selected from O atoms, S atoms or N atoms; and # indicates a connection position.
14 . The compound according to claim 1 , wherein the compound has a structure as shown in a formula (I-5):
wherein X is selected from O atom or S atom; X 1 -X 8 are each independently selected from C atoms or N atoms, and
R 1 is selected from one or more of
wherein Y 1 -Y 5 are each independently selected from C atoms or N atoms, and Z 1 and Z 2 are each independently selected from O atoms, S atoms or N atoms; and # indicates a connection position.
15 . The compound according to claim 1 , wherein the compound is selected from any one of the following compounds:
16 . The compound according to claim 1 , wherein the compound is selected from any one of the following compounds:
17 . An organic electroluminescence device, comprising a first electrode and a second electrode, and an organic function layer between the first electrode and the second electrode, the organic function layer comprising an electron transport layer, wherein an electron transport material of the electron transport layer includes the compound according to claim 1 .
18 . The organic electroluminescence device according to claim 17 , wherein the organic function layer also includes a hole barrier layer, and an electron transport material of the hole barrier layer includes the compound according to claim 1 .
19 . A display device, wherein the display device includes the organic electroluminescence device according to claim 17 .