Dupont Specialty Materials Korea Ltd.

So-Mi Park

Sang-Hee Cho

Dong-Hyung Lee

Doo-Hyeon Moon

Kyoung-Jin Park

Hong-Se Oh

So-Young Jung

Hyo-Soon Park

Kyung-Hoon Choi

Du-Yong Park

Hyun-Ju Kang

Hyun-Woo Kang

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 and at least one second host compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound or a specific combination of compounds of the present disclosure, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, power efficiency, and/or lifespan characteristics.

Organic electroluminescent compound, a plurality of host materials and organic electroluminescent device comprising the same

The present disclosure relates to an organic electroluminescent device comprising a light-emitting layer and a hole transport zone. By comprising a combination of the specific light-emitting layer and the specific hole transport zone according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifespan characteristics.

Organic electroluminescent device

The present disclosure relates to an organic electroluminescent compound represented by formula 1, a plurality of host materials comprising a combination of specific compounds, and an organic electroluminescent device comprising the same. The organic electroluminescent device having improved driving voltage, luminous efficiency and/or lifespan properties can be provided by including the organic electroluminescent compound or a specific combination of compounds according to the present disclosure as a host material(s).

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Gyeonggi-do, South Korea

So-Mi Park