Invention Grant
US08227096B2 Arylamine compound and organic electroluminescence device 有权
芳胺化合物和有机电致发光器件

Arylamine compound and organic electroluminescence device
Abstract:
This invention relates to an arylamine compound having a molecular weight of 1,500 to 6,000 represented by formula (1), and to an organic electroluminescence device having a pair of electrodes and at least one organic layer sandwiched therebetween, wherein the arylamine compound of formula (1) is used as a constituting material of the at least one organic layer: wherein X represents a single bond, CH or CH2, or N or NH; Ar1 and Ar2 are respectively the same and each represents a substituted or unsubstituted phenylene group; R1, R2, R3, and R4 each independently represents an aryl group, wherein the aryl group may be substituted by a diarylamine group in such a manner as to form a triphenylamine partial structure, and the aryl group at the terminal may be substituted, by repetition, by a diarylamino group in such a manner as to form a triphenylamine partial structure; m represents an integer of 0 to 2; and n represents 0 or 1.
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