Electroluminescent devices

摘要

An organic electroluminescent (EL) device comprised of a starburst aromatic amine compound represented by the formula Formula (I) wherein N is nitrogen; A1 to A3 each individually represent biaryl; Ra, Rb, and Rc represent independently one of the functional groups of the following formulae wherein N is nitrogen; each Ar1 and Ar2 are aryl; R1 to R8 are substituents independently selected from the group consisting of hydrogen, halogen, hydrocarbon, and alkoxy; and X represents oxygen, sulfur, or an alkylene.