Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, or by comprising the compound according to the present disclosure, an organic electroluminescent device having improved driving voltage, luminous efficiency and/or lifespan characteristics compared to conventional organic electroluminescent devices can be provided.

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

Abstract: The present disclosure relates to an organic electroluminescent material comprising an organic electroluminescent compound represented by formula 1, and an organic electroluminescent device comprising the same; and 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. An organic electroluminescent device with improved driving voltage and/or luminous efficiency can be provided by comprising the compound according to the present disclosure as an organic electroluminescent material or a plurality of host materials.

Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound and/or the plurality of host materials according to the present disclosure, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan characteristics can be provided.

Abstract: The present disclosure relates to an organic electroluminescent compound, 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. An organic electroluminescent device with improved driving voltage, luminous efficiency and/or lifespan properties can be provided by comprising the organic electroluminescent compound or the specific combination of compounds according to the present disclosure as a host material.

Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, 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 by comprising the specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved driving voltage and/or luminous efficiency.

Abstract: The present invention relates to an electron buffering material and an organic electroluminescent device comprising the same in an electron buffer layer. It is possible to provide an organic electroluminescent device having excellent luminous efficiency and lifespan characteristics by using the electron buffering material according to the present invention.

Abstract: The present disclosure relates to a plurality of host materials and an organic electroluminescent device comprising the same. The organic electroluminescent device of the present disclosure can exhibit excellent lifespan characteristics while maintaining high luminous efficiency by including a specific combination of a plurality of host compounds.

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 and an organic electroluminescent device comprising the same. By comprising the specific combination of compounds according to the present disclosure as the host materials, an organic electroluminescent device having low driving voltage, high luminous efficiency, and/or significantly improved lifespan characteristics can be provided.

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 of the present disclosure as host materials, it is possible to provide an organic electroluminescent device having higher luminous efficiency and/or longer lifetime properties as compared with a conventional organic electroluminescent device.

Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure comprises a specific combination of an electron buffer material and an electron transport material which can provide high efficiency and/or long lifespan.

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

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

Abstract: The present disclosure relates to 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 a specific combination of compounds according to the present disclosure as host materials, an organic electroluminescent device having a low driving voltage, high luminous efficiency, and long lifespan characteristics can be provided.

Abstract: The present disclosure relates to 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 a 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 improved driving voltage, luminous efficiency, and/or lifetime properties.

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 at least one first host compound and at least one second host compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds according to the present disclosure as host materials, an organic electroluminescent device having a low driving voltage, high luminous efficiency, and long lifespan characteristics can be provided.

Abstract: The present disclosure relates to an organic electroluminescent compound, an organic electroluminescent material and an organic electroluminescent device comprising the same, a plurality of host materials comprising at least one first host material and at least one second host material, and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure as a single host material or as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

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

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