Compound, organic electroluminescent device, and display device

1. A compound having a formula (01):

wherein:

X represents oxygen atom or sulfur atom;

C y represents substituted or unsubstituted C5-C40 aryl and is bound to 2- and 3-positions of a dibenzofuran or dibenzothiophene group; and

A includes a structure represented by formula (II):

wherein each of L 2 and L 3 is independently selected from substituted or unsubstituted C5-C40 aryl, or substituted or unsubstituted C3-C40 heteroaryl; each of Ar 1 , Ar 2 , and Ar 3 is independently selected from substituted or unsubstituted C5-C40 aryl, substituted or unsubstituted C3-C40 heteroaryl, or substituted or unsubstituted arylamine containing one or two nitrogen atoms, and at least one of Ar1, Ar2, and Ar3 is independently selected from substituted or unsubstituted arylamine containing one or two nitrogen atoms;

at most one of Ar1, Ar2, and Ar3 includes a fluorene-containing group;

q is selected from 0 or 1, and r is 1; and

* indicates a connection position.

2. The compound according to claim 1 , wherein the substituted or unsubstituted C3-C40 heteroaryl for each of Ar1, Ar2, and Ar3 contains a heteroatom, the heteroatom including one or more selected from P, S, N, O, B, and Si.

3. The compound according to claim 1 , wherein Cy is phenyl.

4. The compound according to claim 1 , wherein one of Ar 1 and L 3 or both Ar 1 and L 3 are phenyl.

5. The compound according to claim 1 , wherein each of Ar 2 and Ar 3 is independently selected from any one of phenyl, biphenyl, dibenzofuranyl, fluorenyl, and pyridyl.

6. The compound according to claim 1 , wherein each of L 2 and L 3 is independently selected from one of the following:

wherein Z 1 is selected from substituted or unsubstituted C5-C40 aryl, or substituted or unsubstituted C3-C40 heteroaryl, p is selected from 0, 1 or 2, and # indicates a connection position.

7. The compound according to claim 1 , wherein each of L 2 and L 3 is independently selected from one of the following:

wherein # indicates a connection position.

8. A compound, wherein the compound is selected from:

9. An organic electroluminescence device, comprising:

a first electrode and a second electrode, and an organic functional layer between the first electrode and the second electrode,

wherein the organic functional layer comprises a hole transport layer, wherein the hole transport layer is made of a material including a compound comprising the compound according to claim 1 .

10. The organic electroluminescence device according to claim 9 , wherein the organic functional layer further includes a light-emitting compensation layer, and the light-emitting compensation layer is made of a material including the compound having the formula (01).

11. A display device comprising the organic electroluminescent device according to claim 9 .

12. An organic electroluminescence device, comprising:

a first electrode and a second electrode, and an organic functional layer between the first electrode and the second electrode,

wherein the organic functional layer comprises a hole transport layer, wherein the hole transport layer is made of a material including a compound comprising the compound according to claim 8 .

13. The organic electroluminescence device according to claim 12 , wherein the organic functional layer further includes a light-emitting compensation layer, and the light-emitting compensation layer is made of a material including the compound according to claim 8 .

14. A display device comprising the organic electroluminescent device according to claim 12 .