Rohm and Haas Electronic Materials Korea Ltd.

Dupont Specialty Materials Korea Ltd.

Sang-Hee Cho

Su-Hyun Lee

Doo-Hyeon Moon

Bitnari Kim

Jin-Ri Hong

So-Young Jung

Jeong-Eun Yang

Hee-Ryong Kang

Mi-Ja Lee

Hyo-Soon Park

Hong-Se Oh

Dong-Hyung Lee

Hyo-Jung Lee

Tae-Jun Han

Tae-Jin Lee

Kyoung-Jin Park

Chi-Sik Kim

Hyun-Ju Kang

Young-Jun Cho

Hong-Yeop Na

Du-Yong Park

Eun-Joung Choi

Hee-Choon Ahn

Ji-Song Jun

Jae-Hoon Shim

Jeong-Hwan Jeon

Kyung-Hoon Choi

Sung-Woo Jang

So-Mi Park

Hyo-Nim Shin

Hae-Yeon Kim

Ye-Jin Jeon

Hyun Hong Kim

Young-Mook Lim

Nam-Kyun Kim

Young-Kwang Kim

Ga-Won Lee

Sung-Wook Cho

Young-Gil Kim

Seon-Jin Hwang

Hyun-Woo Kang

Jin-Man Kim

Seung-Ae Kim

Dominea Rathwell

Joon-Hyung Kil

YeJin Jeon

Hong-Yoep Na

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 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 the compounds wherein the first host compound is represented by formula 1 and the second host compound is represented by formula 2, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, power efficiency and/or lifetime property.

Plurality of host materials and organic electroluminescent device comprising the same

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 having low driving voltage and/or high luminous efficiency and/or long lifespan can be provided.

Organic electroluminescent compound and organic electroluminescent device comprising the same

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

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

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 host materials according to the present disclosure, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan can be provided.

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.

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

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 the host materials according to the present disclosure, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan can be provided.

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.

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).

The present disclosure relates to an organic electroluminescent compound represented by formula 2' or 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. An organic electroluminescent device having improved driving voltage, luminous efficiency, power 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).

An organic electroluminescent compound and a plurality of host materials produce an organic electroluminescent device having an improved luminous efficiency.

The present disclosure relates to an organic electroluminescent compound, an organic electroluminescent material, and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure can provide an organic electroluminescent device having improved lifespan properties compared to the organic electroluminescent device comprising a conventional organic electroluminescent compound.

Organic electroluminescent compound, organic electroluminescent material comprising the same, and organic electroluminescent device

The present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. It is possible to provide an organic electroluminescent device which can be deposited at a low deposition temperature and/or in which clogging is reduced.

The present disclosure relates to a composition material for an organic electroluminescent device, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the composition material for an organic electroluminescent device of the present disclosure, it is possible to provide an organic electroluminescent device having high luminous efficiency and/or long lifespan characteristics.

Growing community of inventors

Gyeonggi-do, South Korea

Sang-Hee Cho