| abstract |
The present application relates to a plurality of types of host materials including a first host material including a compound represented by Formula 1 and a second host material including a compound represented by Formula 2, and an organic electroluminescent device including the same, By including a compound of a specific combination as a host material, it is possible to provide an organic EL device having improved low driving voltage, high luminous efficiency, high power efficiency, and/or excellent lifetime characteristics compared to a conventional organic EL device. |