Carbazole compound having a substituent containing a heteroaryl electron-accepting nitrogen-containing and organic electroluminescent device

摘要

PROBLEM TO BE SOLVED: To provide an organic electroluminescent device which improves the lifetime of an electroluminescent element and a drive voltage.;SOLUTION: A carbazole compound with a substituent group containing an electron-accepting nitrogen containing heteroaryl is used as an electron transfer material, thereby manufacturing an organic electroluminescent device.;COPYRIGHT: (C)2014,JPO&INPIT