Patent ID: 8945724
Filing Date: 2015-02-03
Classification: C07D,C09K,H01L,H05B,Y10S

Abstract:
1. An organic electroluminescence device comprising an organic thin-film layer which is disposed between a cathode and an anode and comprises one or more layers having a light emitting layer, wherein at least one layer of the organic thin-film layer comprises a nitrogen-comprising heterocyclic derivative represented by formula (1): wherein R is hydrogen atom, 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 haloalkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 ring-forming carbon atoms, a substituted or unsubstituted heteroaryl group having 5 to 20 ring-forming atoms, halogen atom, cyano group, or nitro group; m is an integer of 0 to 4, and, when m is an integer of 2 to 4, R groups may be the same or different and an adjacent pair of R groups may be bonded to each other to form a substituted or unsubstituted, saturated or unsaturated linking group which completes a ring structure; L Ar Ar n is an integer of 0 to 4, and, when n is 0, L Z is -L L Ar wherein at least one of Ar by removing a hydrogen atom from a ring carbon, L