ORGANIC ELECTROLUMINATING CONNECTION, MULTIPLE ECONOMIC MATERIALS AND SUCH INCLUDING ORGANIC ELECTROLUMINATING DEVICE

摘要

The present disclosure relates to an organic electroluminescent compound, by formula 2' or formula 2 "means a plurality of host materials comprising at least one first host compound and at least one second host compound, and an organic electroluminescent device comprising these. of the present disclosure as host material(s), an organic electroluminescent device with improved driver voltage,luminous efficiency,Performance efficiency and/or service life characteristics are provided.