Lg Chem, Ltd

Wook-Dong Cho

Byung-Sun Jeon

Ji-Eun Kim

Hyun Kil Nam

Jun-Gi Jang

Jae-Soon Bae

Kong-Kyeom Kim

Hye-Young Jang

Sang-Young Jeon

Jeung-Gon Kim

Chang-Hwan Kim

Jae-Chol Lee

Sung-Kil Hong

Tae-Yoon Park

Min-Soo Kang

Seong-So Kim

Dong-Seob Jeong

Yeon-Hwan Kim

Jin-Kyoon Park

Mun-Kyu Joo

Eun-Ju Kim

Yeon-Hwan 1603-905 Munchon Maeul Kim

Jun-Gi 403-1202 Hyundai 1-Cha Apt Jang

The present invention provides a novel compound that is capable of largely improving life span, efficiency, electrochemical stability and thermal stability of the organic light emitting device, and an organic light emitting device in which said compound is included in an organic compound layer.

Compound and organic light emitting device using the same

The present invention provides an organic light emitting device comprising a first electrode, a second electrode, and at least two organic material layers interposed therebetween, including a light emitting layer, wherein the organic material layers comprise at least one layer of a hole injecting layer, a hole transporting layer and a hole injecting and transporting layer, and at least one of the hole injecting layer, the hole transporting layer and the hole injecting and transporting layer comprises a material with a HOMO energy level of &#x2212;4 eV or less, and a material with a LUMO energy level of &#x2212;4 eV or less, and a process for preparing the same.

Organic light emitting diode having high efficiency and process for fabricating the same

Disclosed are new compounds and an organic light emitting diode using the same. The organic light emitting diode using the new compound according to the present invention exhibits excellent characteristics in terms of actuating voltage, light efficiency, and lifespan.

Compounds and organic light emitting diode using the same

The present invention relates to a new diamine derivative, and an organic electronic device using the same. The diamine derivative according to the present invention can serve as a hole injecting, hole transporting, electron injecting, electron transporting, or light emitting material in an organic electronic device including an organic light emitting device. Particularly, it can serve as a light emitting dopant as used alone, in particular, a blue light emitting dopant. The organic electronic device according to the present invention exhibits excellent characteristics in terms of efficiency, drive voltage, life time, and stability.

Diamine derivatives and organic electronic device using the same

Growing community of inventors

Daejeon, South Korea

Wook-Dong Cho