Arylamine Compound and Use thereof, Electroluminescent Device and Display Apparatus

An arylamine compound, having a general structural formula of:

• wherein, n is 0, 1 or 2;
• at least one of R1 to R12 is -L-N(Ar1)-Ar2, and the R1 to R12 that are not -L-N(Ar1)-Ar2 are each independently selected from any one of hydrogen, deuterium, an alkyl group with 1 to 39 carbon atoms, a substituted or unsubstituted aryl group with 6 to 39 carbon atoms, a substituted or unsubstituted heteroaryl group with 5 to 60 carbon atoms, a substituted or unsubstituted aryloxy group with 6 to 60 carbon atoms, a substituted or unsubstituted alkoxy group with 1 to 39 carbon atoms, a substituted or unsubstituted arylamino group with 6 to 39 carbon atoms, a substituted or unsubstituted cycloalkyl group with 3 to 39 carbon atoms, a substituted or unsubstituted heterocycloalkyl group with 3 to 39 carbon atoms, a substituted or unsubstituted alkylsilyl group with 1 to 39 carbon atoms, a substituted or unsubstituted alkylboron group with 1 to 39 carbon atoms, a substituted or unsubstituted arylboron group with 6 to 39 carbon atoms, an arylsilyl group with 6 to 39 carbon atoms, a substituted or unsubstituted fluorenyl group, and a substituted or unsubstituted heterofluorenyl group;
• wherein, the substituted aryl group with 6 to 39 carbon atoms, the substituted heteroaryl group with 5 to 60 carbon atoms, the substituted aryloxy group with 6 to 60 carbon atoms, the substituted alkoxy group with 1 to 39 carbon atoms, the substituted arylamino group with 6 to 39 carbon atoms, the substituted cycloalkyl group with 3 to 39 carbon atoms, the substituted heterocycloalkyl group with 3 to 39 carbon atoms, the substituted alkylsilyl group with 1 to 39 carbon atoms, the substituted alkylboron group with 1 to 39 carbon atoms, the substituted arylboron group with 6 to 39 carbon atoms, the arylsilyl group with 6 to 39 carbon atoms, the substituted fluorenyl group, and the substituted heterofluorenyl group mean being substituted by one or more of the following groups:
• an alkyl group with 1 to 39 carbon atoms, an aryl group with 6 to 39 carbon atoms, a heteroaryl group with 5 to 60 carbon atoms, an aryloxy group with 6 to 60 carbon atoms, an alkoxy group with 1 to 39 carbon atoms, an arylamino group with 6 to 39 carbon atoms, a cycloalkyl group with 3 to 39 carbon atoms, a heterocycloalkyl group with 3 to 39 carbon atoms, an alkylsilyl group with 1 to 39 carbon atoms, an alkylboron group with 1 to 39 carbon atoms, an arylboron group with 6 to 39 carbon atoms, an arylsilyl group with 6 to 39 carbon atoms, a fluorenyl group, and a heterofluorenyl group;
• Ar1 and Ar2 are each independently selected from any one of an alkyl group with 4 to 39 carbon atoms, a substituted or unsubstituted aryl group with 6 to 39 carbon atoms, a substituted or unsubstituted heteroaryl group with 5 to 60 carbon atoms, a substituted or unsubstituted aryloxy group with 6 to 60 carbon atoms, a substituted or unsubstituted alkoxy group with 1 to 39 carbon atoms, a substituted or unsubstituted arylamino group with 6 to 39 carbon atoms, a substituted or unsubstituted cycloalkyl group with 3 to 39 carbon atoms, a substituted or unsubstituted heterocycloalkyl group with 3 to 39 carbon atoms, a substituted or unsubstituted alkylsilyl group with 1 to 39 carbon atoms, a substituted or unsubstituted alkylboron group with 1 to 39 carbon atoms, a substituted or unsubstituted arylboron group with 6 to 39 carbon atoms, an arylsilyl group with 6 to 39 carbon atoms, a substituted or unsubstituted fluorenyl group, and a substituted or unsubstituted heterofluorenyl group;
• wherein, the substituted aryl group with 6 to 39 carbon atoms, the substituted heteroaryl group with 5 to 60 carbon atoms, the substituted aryloxy group with 6 to 60 carbon atoms, the substituted alkoxy group with 1 to 39 carbon atoms, the substituted arylamino group with 6 to 39 carbon atoms, the substituted cycloalkyl group with 3 to 39 carbon atoms, the substituted heterocycloalkyl group with 3 to 39 carbon atoms, the substituted alkylsilyl group with 1 to 39 carbon atoms, the substituted alkylboron group with 1 to 39 carbon atoms, the substituted arylboron group with 6 to 39 carbon atoms, the arylsilyl group with 6 to 39 carbon atoms, the substituted fluorenyl group, and the substituted heterofluorenyl group mean being substituted by one or more of the following groups:
• an alkyl group with 1 to 39 carbon atoms, an aryl group with 6 to 39 carbon atoms, a heteroaryl group with 5 to 60 carbon atoms, an aryloxy group with 6 to 60 carbon atoms, an alkoxy group with 1 to 39 carbon atoms, an arylamino group with 6 to 39 carbon atoms, a cycloalkyl group with 3 to 39 carbon atoms, a heterocycloalkyl group with 3 to 39 carbon atoms, an alkylsilyl group with 1 to 39 carbon atoms, an alkylboron group with 1 to 39 carbon atoms, an arylboron group with 6 to 39 carbon atoms, an arylsilyl group with 6 to 39 carbon atoms, a fluorenyl group, and a heterofluorenyl group;
• or, the carbons in Ar1 and Ar2 and the N connected with Ar1 and Ar2 form a ring;
• L is selected from any one of a single bond, a substituted or unsubstituted arylene group with 6 to 39 carbon atoms, and a substituted or unsubstituted heteroarylene group with 5 to 60 carbon atoms;
• wherein, the substituted arylene group with 6 to 39 carbon atoms and the substituted heteroarylene group with 5 to 60 carbon atoms mean being substituted by an aryl group with 6 to 39 carbon atoms and a heteroaryl group with 5 to 60 carbon atoms;
• Y1, Y2, and Y3 satisfy one of the following conditions:
• 1) the dotted line between Y1 and Y2 exists, and a double bond is formed between Y1 and Y2;
• and the dotted line between Y2 and Y3 does not exist;
• Y1 is selected from any one of N and —C(R13)—, Y2 is —C(R14)—, and Y3 is selected from any one of —N(R15)—, —O—, —S— and —C(R16)(R17)—;
• 2) the dotted line between Y1 and Y2 does not exist;
• and the dotted line between Y2 and Y3 exists, and a double bond is formed between Y2 and Y3;
• Y1 is selected from any one of —N(R15)—, —O—, —S— and —C(R16)(R17)—, Y2 is —C(R14)—, and Y3 is selected from any one of N and —C(R13)—;
• and
• 3) the dotted line between Y1 and Y2 does not exist, and the dotted line between Y2 and Y3 does not exist;
• Y1, Y2, and Y3 are each independently selected from any one of —N(R15)—, —O—, —S— and —C(R16)(R17)—, and Y1, Y2, and Y3 are not simultaneously selected from —O— and —S—;
• R13 to R17 are each independently selected from any one of hydrogen, deuterium, an alkyl group with 1 to 39 carbon atoms, and an aryl group with 6 to 39 carbon atoms.