Lg Chem, Ltd

Boon Jae Jang

Dong Hoon Lee

Min Woo Jung

Jungha Lee

Su Jin Han

Seulchan Park

Sunghyun Hwang

Sang Duk Suh

Dong Uk Heo

Mi Yeon Han

Jung Oh Huh

Wanpyo Hong

Min Young Kang

Tae Yoon Park

Junghoon Yang

Seong Mi Cho

Jung Ha Lee

Jung Hoon Yang

Jungoh Huh

Yongbum Cha

Miyeon Han

Minseung Chun

Sang Young Jeon

Seong So Kim

Jung-Hoon Yang

Jae Seung Ha

Hyeon Soo Jeon

Minwoo Choi

Min Seung Chun

An organic light emitting device having improved driving voltage, efficiency and lifetime, the organic light emitting device having an anode, a cathode, and a light emitting layer disposed between the anode and the cathode, wherein the light emitting layer includes a compound of the following Chemical Formula 1, and a compound of the following Chemical Formula 2:

Organic light emitting device

Provided is a heterocyclic compound of Chemical Formula 1:

Heterocyclic compound and organic light emitting device comprising the same

A novel compound of the following Chemical Formula 1, and an organic light emitting device comprising the same.

Compound and organic light emitting device comprising the same

Provided is a compound of Chemical Formula 1:

A compound represented by Chemical Formula 1 and an organic light emitting device comprising the same, the compound used as a material of an organic material layer of the organic light emitting device and providing improved efficiency, low driving voltage and improved lifetime characteristics.

Compound and organic light emitting device comprising same

A heterocyclic compound represented by Chemical Formula 1 and an organic light emitting device comprising the same, and the heterocyclic compound used as a material of an organic material layer of the organic light emitting device and providing improved properties of efficiency, driving voltage and lifetime characteristics of the organic light emitting device.

Heterocyclic compound and organic light emitting device comprising same

The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same. The compound is used as a material of an organic material layer of the organic light emitting device.

A heterocyclic compound represented by Chemical Formula 1 and an organic light emitting device comprising the same, and the heterocyclic compound providing improved efficiency, low driving voltage, and improved lifetime characteristics of the organic light emitting device.

Provided is an organic electroluminescent device, the organic electroluminescent device comprising a cathode, an anode, and one or more organic material layers provided between the cathode and the anode, the one or more organic material layers comprising a light emitting layer, an electron transport region and a hole transport region, wherein all of the organic materials, other than a dopant, contained in the one or more organic material layers have a triplet state energy of 2.5 eV or higher, at least three types of the organic materials having a triplet state energy of 2.5 eV or higher have a triplet state energy of 2.7 eV or higher, and at least two types of the organic materials having a triplet state energy of 2.5 eV or higher include a spiro compound.

Organic electroluminescent device

Provided is compound of Chemical Formula 1:

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Daejeon, South Korea

Boon Jae Jang