Aromatic triamine compound and organic electroluminescence device using the same
AssigneeIdemitsu Kosan Co., Ltd.
InventorsMasahiro Kawamura, Nobuhiro Yabunouchi
Life of this patent
Estimating the term…
Abstract
Provided are an aromatic triamine compound of a specific structure having at least one terphenyl structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers having at least a luminescent layer is interposed between a cathode and an anode, wherein at least one layer of the above organic thin film layers contains the aromatic triamine compound described above in the form of a single component or a mixed component, and provided are the organic electroluminescence device having a high luminous efficiency and a long life and the novel aromatic triamine compound for materializing the same.
Claims9
An aromatic triamine compound represented by the following Formula (1):
- wherein Ar1 to Ar5 each are independently a substituted or unsubstituted aryl group having 6 to 30 nuclear carbon atoms;
- and
- L1 and L2 each are independently a linkage group having 6 to 30 nuclear carbon atoms which has one or more benzene rings, and at least one of L1 and L2 is a substituted or unsubstituted terphenylene group.
Dependencies are inferred from the claim text.