Abstract: The present disclosure relates to three different types of host materials, and an organic electroluminescent device comprising the same, and it is possible to provide an organic electroluminescent device having higher luminous efficiency and/or improved lifetime properties compared to a conventional organic electroluminescent device.

Abstract: The present disclosure relates to a plurality of host materials comprising a first host material comprising a compound represented by formula 1, and a second host material comprising a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds as host materials, it is possible to provide an organic electroluminescent device having lower driving voltage, higher luminous efficiency, higher power efficiency, and/or better lifetime properties, compared to conventional organic electroluminescent devices.

Abstract: The present disclosure relates to a plurality of host materials comprising a first host compound represented by formula 1 and a second host compound represented by formula 2 and an organic electroluminescent device comprising the same. By comprising the specific combination of the compound as host materials, an organic electroluminescent device having low driving voltage, high luminous efficiency and/or long lifespan can be provided compared with a conventional organic electroluminescent device.

Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. It is possible to provide an organic electroluminescent device having improved lifespan properties compared to a conventional organic electroluminescent device by comprising the specific combination of compounds according to the present disclosure as the plurality of host materials, or by comprising the compound according to the present disclosure.

Abstract: The present disclosure relates to three different types of host materials, and an organic electroluminescent device comprising the same, and it is possible to provide an organic electroluminescent device having higher luminous efficiency and/or improved lifetime properties compared to a conventional organic electroluminescent device.

Abstract: The present disclosure relates to an organic electroluminescent compound represented by Formula 1, and an organic electroluminescent material and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to provide an organic electroluminescent device having a lower driving voltage, higher luminous efficiency and/or improved lifetime characteristics compared to the prior art.

Abstract: The present disclosure relates to an organic electroluminescent device. By including a compound and/or an organic electroluminescent material according to the present disclosure, an organic electroluminescent device exhibiting longer lifespan characteristics compared to a conventional organic electroluminescent device can be provided.

Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 2-1, a plurality of host materials comprising a first host material comprising a compound represented by formula 1, and a second host material comprising a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure as a single host material, or the specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to provide an organic electroluminescent device having lower driving voltage, higher luminous efficiency, and/or improved lifetime properties, compared to conventional organic electroluminescent devices.

Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 2?, a plurality of host materials comprising at least one first host compound represented by formula 1 and at least one second host compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound or a specific combination of compounds according to the present disclosure as a host material, it is possible to produce an organic electroluminescent device having significantly improved lifetime properties.

Abstract: The present disclosure relates to an organic electroluminescent compound comprising a ligand represented by formula 1, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, it is possible to provide an organic electroluminescent device having higher luminous efficiency and/or longer lifetime properties compared to a conventional organic electroluminescent device.

Abstract: The present disclosure relates to an organic electroluminescent device, and by comprising a compound according to the present disclosure, an organic electroluminescent device exhibiting higher luminous efficiency than a conventional organic electroluminescent device can be provided.

Abstract: The present disclosure relates to a plurality of host materials and an organic electroluminescent device comprising the same. By comprising the specific combination of compounds according to the present disclosure as a plurality of host materials according to the present disclosure, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifetime property compared to the conventional organic electroluminescent devices.

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure, an organic electroluminescent device exhibiting lower driving voltage and/or higher efficiency and/or longer lifespan characteristics can be provided compared to a conventional organic electroluminescent device.

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent device with improved driving voltage and/or power efficiency can be provided by using the organic electroluminescent compound according to the present disclosure.

Abstract: The present disclosure relates to a plurality of host materials comprising a first host material comprising a compound represented by formula 1, and a second host material comprising a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds as host materials, it is possible to provide an organic electroluminescent device having lower driving voltage, higher luminous efficiency, higher power efficiency, and/or superior lifespan characteristics compared to conventional organic electroluminescent devices.

Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1? or 2?, 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 the same. By comprising the organic electroluminescent compound or the specific combination of compounds according to the present disclosure as a host material(s), it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, power efficiency and/or lifetime properties.

Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by Formula 1 and at least one second host compound represented by Formula 2, wherein the first host compound and the second compound are different from each other; an organic electroluminescent compound represented by Formula 11; and an organic electroluminescent device comprising the same. It is possible to produce an organic electroluminescent device having improved driving voltage, efficiency, and/or lifetime properties, by comprising the organic electroluminescent compound according to the present disclosure or a specific combination of compounds according to the present disclosure as host materials.

Abstract: The present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, it is possible to provide an organic electroluminescent device having improved driving voltage, lifetime properties, and/or power efficiency.

Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device according to the present disclosure can have overall device stability by comprising a deuterated compound in the electron transport zone.

Abstract: The present disclosure relates to a compound, and an organic electroluminescent material and an organic electroluminescent device comprising the same. By comprising the compound and/or the organic electroluminescent material according to the present disclosure, an organic electroluminescent device can be provided which has low driving voltage and/or high luminous efficiency and/or long lifespan characteristics compared to conventional organic electroluminescent devices.