AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME

摘要

Provided are: an aromatic amine derivative in which a terminal substituent such as a dibenzofuran ring or a dibenzothiophene ring is bonded to a nitrogen atom directly or through an arylene group or the like; an organic electroluminescence device including an organic thin film layer formed of one or more layers including a light emitting layer and interposed between a cathode and an anode in which a layer of the organic thin film layer contains the aromatic amine derivative by itself or as a component of a mixture, and the device has a long lifetime and high luminous efficiency; and an aromatic amine derivative for realizing the device.

主权项

1. An aromatic amine derivative represented by the following general formula (1): where Ar0 represents a substituted or unsubstituted, divalent fused aromatic hydrocarbon group having 10 to 50 ring-forming carbon atoms, and Ar1 to Ar4 each independently represent a substituted or unsubstituted aryl group having 6 to 50 ring-forming carbon atoms, a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 50 ring-forming carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 50 ring-forming carbon atoms, or a substituted or unsubstituted heterocyclic group having 5 to 50 ring-forming atoms, provided that one or more of Ar1 to Ar4 each represent a group represented by the following general formula (2) or (3): where n represents an integer of 0 to 3, m represents an integer of 0 to 5, 1 represents an integer of 0 to 7, X represents oxygen (O), sulfur (S), or selenium (Se), Ar represents a substituted or unsubstituted arylene group having 6 to 60 ring-forming carbon atoms, R represents a substituted or unsubstituted aryl group having 6 to 60 ring-forming carbon atoms, a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, an amino group, a substituted or unsubstituted alkoxy group having 1 to 50 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 50 ring-forming carbon atoms, a substituted or unsubstituted arylthio group having 6 to 50 ring-forming atoms, a substituted or unsubstituted alkoxycarbonyl group having 1 to 50 carbon atoms, a halogen atom, a cyano group, a nitro group, a hydroxyl group, a silyl group, or a carboxyl group, when n, m, or 1 represents 2 or more, multiple Ar's or multiple R's may be identical to or different from each other, and when multiple R's are present, the multiple R's may be bonded to each other to form a saturated or unsaturated, five- or six-membered cyclic structure that may be substituted, provided that:
when n=0, a five-membered ring portion including X in the general formula (2) is free from being directly bonded to N bonded to Ar0; andin the general formula (3), a case where (R)1 and (Ar)n are bonded to a five-membered ring portion including X is excluded.