Rohm and Haas Electronic Materials Korea Ltd.

Dupont Specialty Materials Korea Ltd.

Lg Display Co., Ltd.

Dupont Electronics, Inc.

Chi-Sik Kim

Kyoung-Jin Park

Su-Hyun Lee

Jae-Hoon Shim

Tae-Jin Lee

Hee-Ryong Kang

Jeong-Eun Yang

Young-Jun Cho

Soo-Yong Lee

Kyung-Hoon Choi

Ji-Song Jun

Seon-Woo Lee

Seung-Hoon Yoo

Doo-Hyeon Moon

Sang-Hee Cho

Hee-Choon Ahn

Dong-Hyung Lee

Young-Gil Kim

Hyun Hong Kim

Hong-Se Oh

Hyun-Ju Kang

Hong-Yeop Na

Young-Kwang Kim

Jin-Man Kim

Kyung-Joo Lee

Nam-Kyun Kim

Do-Han Kim

Jeong-Dae Seo

Bitnari Kim

Jin-Ri Hong

Viacheslav V Diev

Hyeseung Kang

Young-Mook Lim

Charles D McLaren

Mi-Ja Lee

So-Young Jung

Young-Jun Yu

Jeong-Hwan Jeon

Hyo-Jung Lee

Sang-Beom Kim

Seung-hyun Yoon

Hyun-Woo Kang

Yoo-Jin Doh

Dohan Kim

Mi-Ran Seo

Yunlong Zou

Yoo Jin Doh

Ji-Won Um

Hong-Yoep Na

Disclosed herein is an organic light emitting diode device. The organic light emitting diode device includes an anode, a cathode and a light emitting layer. The light emitting layer has a structure where a blue light emitter and a red/green simultaneous light emitter are stacked. The red/green simultaneous light emitter has a structure where a red light emitter and a green light emitter are stacked. The red light emitter includes a red host compound, and in some embodiments, the red host compound includes a spirobisfluorene-based compound where an aryl amino group is substituted. The green light emitter includes a green host compound, and the green host compound includes a mixture of a first green host compound and a second green host compound. In some embodiments, the first green host compound includes a biscarbazole-based compound and the second green host compound includes an indolocarbazole-based compound.

Organic light emitting diode device

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 an organic electroluminescent device comprising a first electrode, a second electrode, and at least one organic layer interposed between the first electrode and the second electrode, wherein the organic layer comprises a light-emitting layer and a hole transport zone. By comprising a deuterated compound in at least one of the light-emitting layer and the hole transport zone, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, power efficiency, and/or lifetime properties.

Organic electroluminescent device

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

An organic light emitting diode and an organic light emitting device including the same are discussed. The organic light emitting diode can include a first electrode, a second electrode facing the first electrode, and a first emitting part including a green emitting material layer and positioned between the first and second electrodes. The green emitting material layer can include a first host, a second host and a dopant, wherein at least one of the first host and the second host is deuterated.

Organic light emitting diode and organic light emitting device including 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 a host material, it is possible to provide an organic electroluminescent device having high luminous efficiency and/or improved lifespan properties, compared to conventional organic electroluminescent devices.

The present disclosure relates to a plurality of light-emitting materials comprising at least one of first compounds and at least one of second compounds, wherein the first compound is represented by formula 1, and the second compound is represented by formula 2, and an organic electroluminescent device having improved lifetime properties can be provided by comprising the plurality of light-emitting materials.

Plurality of light-emitting materials and organic electroluminescent device comprising the same

The present disclosure relates to an organic electroluminescent compound, an organic electroluminescent material comprising the same, and an organic electroluminescent device. 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, organic electroluminescent material comprising the same, and organic electroluminescent device

The present disclosure relates to a plurality of light-emitting materials, an organic electroluminescent compound, 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 and/or a dopant material, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency and/or lifetime properties compared to conventional organic electroluminescent devices.

Plurality of light-emitting materials, organic electroluminescent compound, and organic electroluminescent device comprising the same

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.

The present disclosure relates to an organic electroluminescent compound, an organic electroluminescent material comprising the same, and an organic electroluminescent device. By comprising the organic electroluminescent compound according to the present disclosure, an organic electroluminescent device having improved driving voltage and/or luminous efficiency and/or lifespan characteristics can be provided, compared with the organic electroluminescent device comprising a conventional organic electroluminescent compound.

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.

Electron buffering material 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, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, lifetime and/or power efficiency properties.

Organic electroluminescent compound and organic electroluminescent device comprising the same

Growing community of inventors

Gyeonggi-do, South Korea

Chi-Sik Kim