Rohm and Haas Electronic Materials Korea Ltd.

Dupont Specialty Materials Korea Ltd.

Skhynix Inc.

Su-Hyun Lee

Sang-Hee Cho

Doo-Hyeon Moon

Bitnari Kim

Mi-Ja Lee

So-Young Jung

Jin-Ri Hong

Chi-Sik Kim

Kyoung-Jin Park

Hee-Ryong Kang

Jeong-Eun Yang

Hee-Choon Ahn

Young-Jun Cho

Hyo-Soon Park

Tae-Jun Han

Tae-Jin Lee

Young-Mook Lim

Hyun-Ju Kang

Jae-Hoon Shim

Du-Yong Park

Eun-Joung Choi

Hyo-Nim Shin

Nam-Kyun Kim

Dong-Hyung Lee

Ji-Song Jun

Young-Kwang Kim

Kyung-Hoon Choi

Seon-Woo Lee

Kyung-Joo Lee

Hae-Yeon Kim

Hong-Se Oh

Hong-Yeop Na

Jin-Ho Bin

Il-Young Kwon

Hyuck Joo Kwon

Tae-Hong Gwon

Jeong-Hwan Jeon

Hyo-Jung Lee

Jin-Man Kim

Jin-Ho Oh

Yoo-Jin Doh

Kyung Joo Lee

Hyun-Woo Kang

Bong-Ok Kim

Yoo Jin Doh

Ye-Jin Jeon

YeJin Jeon

Hee Sook Kim

Seok Keun Yoon

Hong-Yoep Na

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 invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.

Multi-component host material and an organic electroluminescence 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.

Plurality of host materials and organic electroluminescent device comprising the same

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 invention relates to an organic electroluminescent device comprising at least one light-emitting layer between an anode and a cathode, wherein the light-emitting layer comprises a host and a phosphorescent dopant; the host consists of multi-component host compounds; at least a first host compound of the multi-component host compounds is a specific bicarbazole derivative containing an aryl group, and a second host compound is a specific carbazole derivative including a nitrogen-containing heteroaryl group. According to the present invention, the organic electroluminescent device using the multi-component host compounds has a high efficiency and long lifespan compared with the conventional device using one component host compound.

Multi-component host material and organic electroluminescent device comprising the same

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 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 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).

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

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 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.

Composition material for organic electroluminescent device, plurality of host materials, and organic electroluminescent device comprising the same

The present disclosure relates to a plurality of host materials comprising a compound represented by formula 1 and a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising the plurality of host materials comprising a specific combination of compounds, it is possible to provide an organic electroluminescent device having long lifespan characteristics.

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

Organic electroluminescent compound 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 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.

The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.

Organic electroluminescent device

Growing community of inventors

Gyeonggi-do, South Korea

Su-Hyun Lee