Multiple host materials, organic electroluminescent compounds, and organic electroluminescent devices containing these.

Abstract

The present invention provides a novel organic electroluminescent compound having a structure suitable for application to organic electroluminescent devices having improved luminescence efficiency and / or lifetime characteristics. [Solution] A plurality of host materials comprising at least one first host compound and at least one second host compound, wherein the first host compound is given by the following formula 1: TIFF2026056595000139.tif42166 A plurality of host materials are provided, comprising a compound represented by , wherein the second host compound comprises a compound having a specific structure. Furthermore, an organic electroluminescent device is provided, comprising an anode, a cathode, and at least one light-emitting layer between the anode and the cathode, wherein the at least one light-emitting layer comprises the plurality of host materials.