Rohm and Haas Electronic Materials Korea Ltd.

Dupont Specialty Materials Korea Ltd.

Lg Display Co., Ltd.

Kyoung-Jin Park

Chi-Sik Kim

Su-Hyun Lee

Hee-Ryong Kang

Ji-Song Jun

Doo-Hyeon Moon

Jeong-Eun Yang

Hee-Choon Ahn

Jae-Hoon Shim

Tae-Jin Lee

Sang-Hee Cho

Kang-Hyun Kim

Ki-Soub Yang

Young-Jun Cho

Seung-Ryul Choi

Sung-Jin Park

Hyun Hong Kim

Dae-Jung Choi

Hyun-Ju Kang

Young-Kwang Kim

Hyun Woo Kim

Hyun Kyung Kim

Do-Han Kim

Jeong-Dae Seo

Jin-Ri Hong

Bitnari Kim

Hong-Se Oh

Young-Mook Lim

Hyeseung Kang

Mi-Ja Lee

Hansol Park

Seon-Woo Lee

Ga-Won Lee

Han-Hee Kim

Jae-Min Moon

Hee-Jun Park

Kyung-Hoon Choi

Young-Gil Kim

Kyung-Joo Lee

Jin-Man Kim

Seung-Hyun Yoon

Nam-Kyun Kim

Yoo-Jeong Jeong

Ku-Sun Choung

Dong-Hyung Lee

So-Young Jung

Heejun Park

Soo-Yong Lee

Young-Jun Yu

Hyo-Soon Park

Hyuck Joo Kwon

Sang-Beom Kim

Jaemin Moon

Seung-hyun Yoon

Seung-Hoon Yoo

Hyun Kim

Hyo-Nim Shin

Yoo-Jin Doh

Hyun-Woo Kang

So-Mi Park

Bong-Ok Kim

Dohan Kim

Kyung Joo Lee

Jin Ri Hong

Seung Hyun Yoon

Ga Won Lee

Hee Ryong Kang

Yoo Jin Doh

Kusun Choung

Ji-Won Um

Hee Sook Kim

Seok Keun Yoon

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 disclosure relates to an organic metal compound, an organic light emitting diode and an organic light emitting device having the compound, in particular, to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and lifespan.Ir(L)(L)  [Formula 1]

Organic metal compound, organic light emitting diode and organic light emitting device having the compound

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 organometallic compound in Formula below and an organic light emitting diode and an organic light emitting device including the organometallic compound. The organometallic compound provides high emitting efficiency and longer lifespan, and the organic light emitting diode and the organic light emitting device have advantages in the emitting efficiency and the lifespan.

Organometallic compound, organic light emitting diode and organic light emitting device including the organometallic compound

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 low driving voltage and/or a high luminous efficiency can be provided.

Organic electroluminescent compound and organic electroluminescent device comprising the same

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 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).

Organic electroluminescent compound, a plurality of host 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 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

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.

A new luminescent material and an electroluminescent display device using the same are disclosed, in which the luminescent material includes a compound expressed by the following chemical formula 1 and may be used as a dopant of a light emitting layer of a green, yellow-green or red color:

Luminescent material and electroluminescent display device using the same

Growing community of inventors

Seongnam, South Korea

Kyoung-Jin Park