Lg Chem, Ltd

Seong So Kim

Sung Kil Hong

Jungi Jang

Dong Hoon Lee

Yongbum Cha

Boonjae Jang

Minseung Chun

Sang Duk Suh

Minyoung Kang

Jungoh Huh

Yun Hwan Kim

Dong Uk Heo

Tae Yoon Park

Kongkyeom Kim

Seongmi Cho

Jae Seung Ha

Sangbin Lee

Chang Hwan Kim

Sang Young Jeon

Jin Joo Kim

Hyungjin Lee

Jemin Ryu

Min Woo Jung

Wanpyo Hong

Jungha Lee

Boon Jae Jang

Minjun Kim

Sung Jae Lee

Hyok Joon Kwon

Hye Young Jang

Jiwon Kwak

Changhwan Shin

Dong Sik Kim

Kidong Koo

Song Kil Hong

Jungl Jang

Jungoh Huh Kwon

The present disclosure relates to a compound of Chemical Formula 1, and a composition and an organic light emitting device including the same. The composition including the compound or a cured material thereof is included in an organic material layer of the organic light emitting device.

Compound, composition comprising same, and organic light emitting diode comprising same

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 an organic light-emitting device including: an anode; a cathode facing the anode; two or more light-emitting layers provided between the anode and the cathode and each having a maximum light emission peak of ≤500 nm (≤500 nm emission layer); and a light-emitting layer provided between the two or more ≤500 nm emission layers, and having a maximum light emission peak at >500 nm (>500 nm emission layer), where a distance from the anode to the ≤500 nm emission layer most adjacent to the anode is 100 nm to 200 nm, the distance from the anode to the ≤500 nm emission most adjacent to the cathode is three to four times the distance from the anode to the ≤500 nm emission layer most adjacent to the anode, and an N-type charge generation layer including an alkali metal and a P-type charge generation layer including a material with an electron affinity of ≥4.8 eV are provided between each of the ≤500 nm emission layers and the emission >500 nm emission layer.

Organic light-emitting device

The present specification relates to an organic light emitting device.

Organic light-emitting element

Provided is a compound of Chemical Formula 1:

Compound and organic light emitting device comprising same

The present application relates to a compound of Chemical Formula 1 and an organic light emitting device including the same.

Polycyclic compound and organic light emitting element comprising same

Provided is a heterocyclic compound of Chemical Formula 1: 

Polycyclic aromatic compounds containing a 1,11-dioxa-,1,11-dithia-, or 1-oxa-11-thia-4,8-diaza-11b-boradicyclopenta[a,j]phenalene core and organic light-emitting device comprising same

Provided is a compound of Chemical Formula 1: and an organic light emitting device including the same.

Compound and organic light emitting element comprising same

The present invention relates to an organic light emitting device including a light emitting layer comprising a compound represented by Chemical Formula 1 and an electron transport region comprising a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency and lifetime. 

Organic light emitting device

The present invention relates to an organic light emitting device comprising a light emitting layer including a compound represented by Chemical Formula 1 and an electron transport region including a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency, and lifetime. 

The present specification provides a heterocyclic compound and an organic light emitting device using the same.

Heterocyclic compound and organic light-emitting element using same

The present specification relates to a novel compound and an organic light emitting device including the same.

Compound and organic light emitting device containing same

The present specification provides an organic light emitting device.

Disclosed are a heterocyclic compound represented by the following Chemical Formula having proper energy level, and excellent electrochemical stability and thermal stability, and an organic light emitting device using the same: 

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Daejeon, South Korea

Seong So Kim