ORGANIC ELECTROLUMINESCENT DEVICE

摘要

The present invention relates to an organic electroluminescent device comprising a cathode, an anode and at least one layer of organic film between the cathode and the anode and, more specifically, to an organic electroluminescent device comprising, between the cathode and a light emitting layer, an organic film comprising one or more types of compounds represented by chemical formula 1 and an organic film comprising one or more types of compounds represented by chemical formula 2, thereby having high efficiency characteristics.