Heterocyclic compound and application thereof

1. A heterocyclic compound, having a structure shown in formula I, comprising:

wherein:

Y1 is selected from 0 or S;

X 1 , X 2 , X 3 , X 4 , X 5 , X 6 , X 7 , and X 8 are independently selected from CR a or N, and at least one of X 1 , X 2 , X 3 , X 4 , X 5 , X 6 , X 7 , and X 8 is N;

X 9 , X 10 , X 11 , X 12 , X 13 , X 14 , X 15 , X 16 , X 17 , X 18 , X 19 , X 20 , X 21 , X 22 , X 23 , and X 24 are independently selected from CR 1 or N;

when there are a plurality of CR a in X 1 -X 8 , R a are same or different; and R a is independently selected from hydrogen, deuterium, tritium, halogen, nitrile, cyano, nitro, hydroxyl, carbonyl, ester, carboxyl, imide, amide, substituted or unsubstituted C1-C20 alkoxy, substituted or unsubstituted C1-C20 alkyl, substituted or unsubstituted C3-C20 cycloalkyl, substituted or unsubstituted C2-C20 alkenyl, substituted or unsubstituted C3-C20 cycloalkenyl, substituted or unsubstituted silyl, substituted or unsubstituted boron, substituted or unsubstituted phosphine oxide, substituted or unsubstituted phosphine, substituted or unsubstituted sulfonyl, substituted or unsubstituted amine, substituted or unsubstituted C6-C30 aryl, substituted or unsubstituted C3-C30 heteroaryl, or a ring structure formed by bonding adjacent groups;

Y2, and Y3 are independently selected from O, S or NR 2 ;

Ar 1 and Ar 2 are independently selected from substituted or unsubstituted aryl, or substituted or unsubstituted heteroaryl; and

R 1 and R 2 are independently selected from hydrogen, deuterium, substituted or unsubstituted C1-C20 alkyl, substituted or unsubstituted C6-C30 aryl, or substituted or unsubstituted C3-C30 heteroaryl.

2. The heterocyclic compound according to claim 1 , wherein:

Ar 1 and Ar 2 are independently selected from phenyl, biphenyl, terphenyl, naphthyl, anthryl, phenanthryl, pyrenyl, fluoranthyl, triphenyl, pyrrolyl, pyranyl, thienyl, pyridyl, pyrimidinyl, triazinyl, benzofuranyl, benzothienyl, dibenzofuranyl, or dibenzothienyl.

3. The heterocyclic compound according to claim 2 , wherein Ar 1 and Ar 2 are independently selected from any one of following structures:

wherein # denotes a connection location.

4. The heterocyclic compound according to claim 1 , wherein:

Y2 and Y3 are independently selected from O, S, or NR 2 , wherein R 2 is selected from phenyl, biphenyl, terphenyl, naphthyl, anthryl, phenanthryl, pyrenyl, fluoranthyl, triphenyl, pyrrolyl, pyranyl, thienyl, pyridyl, pyrimidinyl, triazinyl, benzofuranyl, benzothienyl, dibenzofuranyl, or dibenzothienyl.

5. The heterocyclic compound according to claim 1 , wherein:

in the structure

in the formula I, X 9 , X 10 , X 11 , X 12 , X 13 , X 14 , X 15 , and X 16 are independently selected from CR 1 or N, and at least one of X 9 , X 10 , X 11 , X 12 , X 13 , X 14 , X 15 , and X 16 is N; and

R 1 is selected from hydrogen, deuterium, substituted or unsubstituted C1-C20 alkyl, substituted or unsubstituted C6-C30 aryl, or substituted or unsubstituted C3-C30 heteroaryl.

6. The heterocyclic compound according to claim 5 , wherein: the structure of

is selected from any one of following structures:

7. The heterocyclic compound according to claim 1 , wherein:

the structure of

is selected from:

8. The heterocyclic compound according to claim 1 , wherein:

in the structure

in the formula I, X 17 , X 18 , X 19 , X 20 , X 21 , X 22 , X 23 , and X 24 are independently selected from CR 1 or N, and at least one of X 17 , X 18 , X 19 , X 20 , X 21 , X 22 , X 23 , and X 24 is N; and

R 1 is selected from hydrogen, deuterium, substituted or unsubstituted C1-C20 alkyl, substituted or unsubstituted C6-C30 aryl, or substituted or unsubstituted C3-C30 heteroaryl.

9. The heterocyclic compound according to claim 8 , wherein:

the structure of

is selected from any one of following structures:

10. The heterocyclic compound according to claim 1 , wherein:

the structure of

is selected from:

11. The heterocyclic compound according to claim 1 , wherein:

any 1 to 6 of X 1 , X 2 , X 3 , X 4 , X 5 , X 6 , X 7 , and X 8 are N.

12. The heterocyclic compound according to claim 1 , wherein:

the structure of

is selected from any one of following structures:

13. The heterocyclic compound according to claim 12 , wherein:

the structure of

is selected from any one of following structures:

14. The heterocyclic compound according to claim 1 , wherein:

the structure of

is selected from any one of following structures:

15. The heterocyclic compound according to claim 14 , wherein:

the structure of

is selected from any one of following structures:

16. The heterocyclic compound according to claim 1 , wherein:

the structure of

is selected from any one of following structures:

17. The heterocyclic compound according to claim 16 , wherein:

the structure of

is selected from any one of following structures:

18. The heterocyclic compound according to claim 1 , wherein:

the structure of

is selected from any one of following structures:

19. The heterocyclic compound according to claim 1 , wherein the heterocyclic compound has any one of following structures:

20. The heterocyclic compound according to claim 1 , wherein the heterocyclic compound has any one of following structures:

21. The heterocyclic compound according to claim 1 , wherein the heterocyclic compound has any one of following structures:

22. The heterocyclic compound according to claim 1 , wherein the heterocyclic compound has any one of following structures:

23. The heterocyclic compound according to claim 1 , wherein the heterocyclic compound has any one of following structures:

24. The heterocyclic compound according to claim 1 , wherein the heterocyclic compound has any one of following structures:

25. A display panel, comprising an organic light-emitting device, wherein the organic light-emitting device includes an anode, a cathode, and an organic thin film layer between the anode and the cathode; the cathode is covered with a capping layer (CPL); and the CPL layer contains at least a heterocyclic compound, having a structure shown in formula I, the heterocyclic compound comprising:

wherein:

Y1 is selected from 0 or S;

X 1 , X 2 , X 3 , X 4 , X 5 , X 6 , X 7 , and X 8 are independently selected from CR a or N, and at least one of X 1 , X 2 , X 3 , X 4 , X 5 , X 6 , X 7 , and X 8 is N;

X 9 , X 10 , X 11 , X 12 , X 13 , X 14 , X 15 , X 16 , X 17 , X 18 , X 19 , X 20 , X 21 , X 22 , X 23 , and X 24 are independently selected from CR 1 or N;

when there are a plurality of CR a in X 1 -X 8 , R a are same or different; and R a is independently selected from hydrogen, deuterium, tritium, halogen, nitrile, cyano, nitro, hydroxyl, carbonyl, ester, carboxyl, imide, amide, substituted or unsubstituted C1-C20 alkoxy, substituted or unsubstituted C1-C20 alkyl, substituted or unsubstituted C3-C20 cycloalkyl, substituted or unsubstituted C2-C20 alkenyl, substituted or unsubstituted C3-C20 cycloalkenyl, substituted or unsubstituted silyl, substituted or unsubstituted boron, substituted or unsubstituted phosphine oxide, substituted or unsubstituted phosphine, substituted or unsubstituted sulfonyl, substituted or unsubstituted amine, substituted or unsubstituted C6-C30 aryl, substituted or unsubstituted C3-C30 heteroaryl, or a ring structure formed by bonding adjacent groups;

Y 2 , and Y 3 are independently selected from 0, S or NR 2 ;

Ar 1 and Ar 2 are independently selected from substituted or unsubstituted aryl, or substituted or unsubstituted heteroaryl; and

R 1 and R 2 are independently selected from hydrogen, deuterium, substituted or unsubstituted C1-C20 alkyl, substituted or unsubstituted C6-C30 aryl, or substituted or unsubstituted C3-C30 heteroaryl.

26. A display panel, comprising an organic light-emitting device, wherein the organic light-emitting device includes an anode, a cathode, and an organic thin film layer between the anode and the cathode; the organic thin film layer includes a hole transport layer and/or an electron transport layer, wherein at least one of the hole transport layer and the electron transport layer contains at least a heterocyclic compound, having a structure shown in formula I, the heterocyclic compound comprising:

wherein:

Y1 is selected from 0 or S;

X 1 , X 2 , X 3 , X 4 , X 5 , X 6 , X 7 , and X 8 are independently selected from CR a or N, and at least one of X 1 , X 2 , X 3 , X 4 , X 5 , X 6 , X 7 , and X 8 is N;

X 9 , X 10 , X 11 , X 12 , X 13 , X 14 , X 15 , X 16 , X 17 , X 18 , X 19 , X 20 , X 21 , X 22 , X 23 , and X 24 are independently selected from CR 1 or N;

when there are a plurality of CR a in X 1 -X 8 , R a are same or different; and R a is independently selected from hydrogen, deuterium, tritium, halogen, nitrile, cyano, nitro, hydroxyl, carbonyl, ester, carboxyl, imide, amide, substituted or unsubstituted C1-C20 alkoxy, substituted or unsubstituted C1-C20 alkyl, substituted or unsubstituted C3-C20 cycloalkyl, substituted or unsubstituted C2-C20 alkenyl, substituted or unsubstituted C3-C20 cycloalkenyl, substituted or unsubstituted silyl, substituted or unsubstituted boron, substituted or unsubstituted phosphine oxide, substituted or unsubstituted phosphine, substituted or unsubstituted sulfonyl, substituted or unsubstituted amine, substituted or unsubstituted C6-C30 aryl, substituted or unsubstituted C3-C30 heteroaryl, or a ring structure formed by bonding adjacent groups;

Y 2 , and Y 3 are independently selected from O, S or NR 2 ;

Ar 1 and Ar 2 are independently selected from substituted or unsubstituted aryl, or substituted or unsubstituted heteroaryl; and

R 1 and R 2 are independently selected from hydrogen, deuterium, substituted or unsubstituted C1-C20 alkyl, substituted or unsubstituted C6-C30 aryl, or substituted or unsubstituted C3-C30 heteroaryl.