Patent ID: 8980442
Filing Date: 2015-03-17
Classification: C07C,C09B,C09K,H01L,H05B,Y10S

Abstract:
1. An organic electroluminescent element containing an organic thin film layer composed of plural layers including at least a light emitting layer and a hole transport layer, the organic thin film layer being between a cathode and an anode, and the hole transport layer contains an aromatic amine derivative represented by the following formula (1): wherein Ar 1 represents an organic group A represented by the following formula (2) or (2-2); Ar Ar when two or more of Ar when two of Ar wherein Ar 4 represents a substituted or unsubstituted fused-ring group having 10 to 14 ring-forming carbon atoms selected from the group consisting of a 1-naphthyl group, a 2-naphthyl group, a 1-phenanthryl group, a 2-phenanthryl group, a 3-phenanthryl group, and a 9-phenanthryl group; R L represents a substituted or unsubstituted arylene group having 6 to 10 ring-forming carbon atoms; a, b and c each independently represent an integer from 0 to 2; two of R when a, b or c is 2, R wherein Ar 5 and Ar 6 each independently represent a substituted or unsubstituted arylene group having 6 to 14 ring-forming carbon atoms; Ar R d, e and f each independently represent an integer from 0 to 2; two of R when d, e or f is 2, R wherein Ar 8 represents a substituted or unsubstituted arylene group having 10 to 14 ring-forming carbon atoms; R g represents an integer from 0 to 2.