Rohm and Haas Electronic Materials Korea Ltd.

Jeong-Hwan Jeon

Sang-Hee Cho

Hyun Joo Kim

Ji-Song Jun

Young-Jun Cho

Hong-Yeop Na

Su-Hyun Lee

Hee-Ryong Kang

Hyun Hong Kim

Chi-Sik Kim

Jeong-Eun Yang

Hong-Se Oh

Yeon-Gun Lee

Hee-Choon Ahn

Mi-Ja Lee

So-Young Jung

Dong-Hyung Lee

Young-Kwang Kim

Jae-Hoon Shim

Hyo-Jung Lee

Seon-Jin Hwang

Kyung-Hoon Choi

Ga-Won Lee

Hyo-Nim Shin

Jin-Man Kim

Eun-Joung Choi

Seung-Ae Kim

Hyun-Woo Kang

Hong Yeop Na

Hong-Yoep Na

YeJin Jeon

The present disclosure relates to an organic electroluminescent compound comprising a ligand represented by formula 1, and an organic electroluminescent device comprising the same. The organic electroluminescent device having a luminescent efficiency higher than a conventional organic electroluminescent device can be provided by comprising the organic electroluminescent compound of the present disclosure.

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 compound represented by formula 1 and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, it is possible to provide an organic electroluminescent device having lower operating voltage, higher luminous efficiency and/or longer lifespan properties as compared with a conventional organic electroluminescent device.

The present invention relates to a luminescent material for delayed fluorescence and an organic electroluminescent device comprising the same. By using the luminescent material for delayed fluorescence according to the present invention, an organic electroluminescent device having long lifespan, low driving voltage, excellent color purity, and significantly improved luminous efficiency such as current efficiency is provided.

Luminescent material for delayed fluorescence and organic electroluminescent device comprising the same

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 for near-IR light emission, an organic electroluminescent material and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, it is possible to provide an organic electroluminescent device with near-IR light emission.

Growing community of inventors

Gyeonggi-do, South Korea

Jeong-Hwan Jeon