Patent ID: 6492041
Filing Date: 2002-12-10
Classification: H01L,Y10S

Abstract:
An organic electro luminescent (EL) device comprising an anode, a cathode and at least one organic thin-film layer disposed between said anode and said cathode, said one or more than one organic thin-film layers including a luminescent layer, said one or at least one of said more than one organic thin-film layers including a compound expressed in a general formula (1) as follows: wherein each of R1 to R12 independently represents a hydrogen atom, halogen atom, hydroxy group, substituted or non-substituted amino group, nitro group, cyano group, substituted or non-substituted alkyl group, substituted or non-substituted alkenyl group, substituted or non-substituted cycloalkyl group, substituted or non-substituted alkoxy group, substituted or non-substituted aromatic hydrocarbon, substituted or non-substituted aromatic heterocyclic group, substituted or not substituted aralkyl group, substituted or non-substituted aryloxy group, substituted or non-substituted alkoxycarbonyl group, or carboxyl group, and wherein each of R1 to R12 may be a ring formed by two of said atoms and groups and at least one of R1 to R12 is a diarylamino group expressed by â€”NAr1Ar2, each of Ar1 and Ar2 independently representing an aryl group having 6-20 carbons, one of Ar1 and Ar2 having a substituted or non-substituted styryl group as a substituent group and the other of the Ar1 and Ar2 having no substituted or non-substituted styryl group as a substituent group.