Arylamine organic compound and use thereof

A mixture comprising an arylamine organic compound and at least one organic functional material, the at least one organic functional material is selected from a hole injection material, a hole transport material, an electron transport material, an electron injection material, an electron blocking material, a hole blocking material, a light-emitting material, a host material, a host material or an organic dye;

• wherein the arylamine organic compound has a structure represented by formula (1):
• wherein:
• L1 to L4 are each independently selected from a single bond, a substituted or unsubstituted aromatic group having 6 to 30 ring atoms, or a substituted or unsubstituted heteroaromatic group having 5 to 30 ring atoms;
• Ar1 is selected from any structure represented by formula (A-1) or formula (A-2);
• Ar2 is selected from any structure represented by formulas (A-2) to (A-6);
• Ar3 and Ar4 are each independently selected from any structure represented by formulas (A-3) to (A-6) described above;
• structures represented by formulas (A-1) to (A-6) are as follows:
• n is selected from 0, 1, 2, 3 or 4;
• Y is selected from O, S or NR2;
• X and X1 to X8 are each independently selected from CR3 or N, respectively, and at least one of X1 to X8 is selected from N;
• and
• R1, R2 and R3 are each independently selected from —H, -D, a linear alkyl group having 1 to 20 carbon atoms, a linear alkoxy group having 1 to 20 carbon atoms, a branched alkyl group having 3 to 20 carbon atoms, a branched alkoxy group having 3 to 20 carbon atoms, a cyclic alkyl group having 3 to 20 carbon atoms, a cyclic alkoxy group having 3 to 20 carbon atoms, a substituted or unsubstituted silyl group, a cyano group, an isocyano group, a hydroxyl group, a nitro group, an amino group, —CF3, —Cl, —Br, —F, —I, an alkenyl group having 2 to 20 carbon atoms, or a substituted or unsubstituted aromatic group having 6 to 20 ring atoms, or a combination thereof.

An organic electronic device comprising two electrodes, one or more organic functional layers disposed between the two electrodes, and a light extraction layer disposed on a surface of one of the two electrodes and on a side away from the organic functional layer, the light extraction layer comprising an arylamine organic compound, wherein the arylamine organic compound has a structure represented by formula (1):

• wherein:
• L1 to L4 are each independently selected from a single bond, a substituted or unsubstituted aromatic group having 6 to 30 ring atoms, or a substituted or unsubstituted heteroaromatic group having 5 to 30 ring atoms;
• Ar1 is selected from any structure represented by formula (A-1) or formula (A-2);
• Ar2 is selected from any structure represented by formulas (A-2) to (A-6);
• Ar3 and Ar4 are each independently selected from any structure represented by formulas (A-3) to (A-6) described above;
• structures represented by formulas (A-1) to (A-6) are as follows:
• n is selected from 0, 1, 2, 3 or 4;
• Y is selected from O, S or NR2;
• X and X1 to X8 are each independently selected from CR3 or N, respectively, and at least one of X1 to X8 is selected from N;
• and
• R1, R2 and R3 are each independently selected from —H, -D, a linear alkyl group having 1 to 20 carbon atoms, a linear alkoxy group having 1 to 20 carbon atoms, a branched alkyl group having 3 to 20 carbon atoms, a branched alkoxy group having 3 to 20 carbon atoms, a cyclic alkyl group having 3 to 20 carbon atoms, a cyclic alkoxy group having 3 to 20 carbon atoms, a substituted or unsubstituted silyl group, a cyano group, an isocyano group, a hydroxyl group, a nitro group, an amino group, —CF3, —Cl, —Br, —F, —I, an alkenyl group having 2 to 20 carbon atoms, or a substituted or unsubstituted aromatic group having 6 to 20 ring atoms, or a combination thereof.