ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

摘要

PROBLEM TO BE SOLVED: To provide organic materials that can be used in green, red, yellow and white light emitting devices (OLEDs) as electron-transporting hosts.SOLUTION: The present disclosure relates to use of azadibenzothiophenes, azadibenzofurans and azadibenzoselenophenes with at least two nitrogen atoms in the aza rings, represented by the product in the formula in the figure.