Lg Chem, Ltd

Sungkyunkwan University

Sang Duk Suh

Dong Hoon Lee

Min Woo Jung

Jungha Lee

Sunghyun Hwang

Su Jin Han

Seulchan Park

Sung Kil Hong

Boon Jae Jang

Yongbum Cha

Wanpyo Hong

Jin Joo Kim

Woochul Lee

Joo Ho Kim

Seong So Kim

Ji Young Choi

Jae Seung Ha

Minseung Chun

Dongheon Kim

Minjun Kim

Donghee Kim

Boonjae Jang

Sang Young Jeon

Sujeong Geum

Yujin Kang

Dong Uk Heo

Tae Yoon Park

Sangwoo Lee

Young Seok Kim

Hoon Jun Kim

Jungbum Kim

Kyunghee Kim

Hongsik Yoon

Seoyeon Kim

Seung Won Choi

Dae Woong Lee

Hyungjin Lee

Yeon Hwan Kim

Sung Jae Lee

Hyoung Seok Kim

Moung Gon Kim

Jun Yeob Lee

Ho Jung Lee

Jiwon Kwak

Yong Bum Cha

Ki Kon Lee

Jaegoo Lee

Kyung Seok Jeong

Joongsuk Oh

Yeon-Ho Cho

Sunmin Kim

Da Jung Lee

An organic light emitting device including: a positive electrode; a negative electrode facing the positive electrode; a light emitting layer between the positive electrode and the negative electrode; a first organic material layer comprising a compound of Formula 1 provided between the negative electrode and the light emitting layer; and a second organic material layer comprising at least one compound of Formulae 2 or 3 provided between the negative electrode and the first organic material layer: wherein the first organic layer

Organic light emitting diode

Provided is a novel compound of Chemical Formula 1:

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.

An organic light emitting device comprising a first electrode, a second electrode provided to face the first electrode, and a light emitting layer provided between the first electrode and the second electrode and including a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, the organic light emitting device which exhibits low driving voltage, high emission efficiency, and long lifespan characteristics.

Organic light emitting device

A compound of Formula 1 and an organic light emitting device including the same, and the compound providing low driving voltage, high light emitting efficiency, and a long service life of the organic light emitting device.

Compound and organic light emitting device comprising same

Provided is a compound of Chemical Formula 1:

An organic light emitting device including a first electrode, a second electrode, and a light emitting layer provided between the first electrode and the second electrode, wherein the light emitting layer includes a compound of Chemical Formula 1, a compound of Chemical Formula 2 and a compound of Chemical Formula 3.

Organic light-emitting device

An organic light emitting device including a first electrode; a second electrode provided opposite to the first electrode; and one or more organic material layers provided between the first electrode and the second electrode, wherein one or more of the one or more organic material layers include a compound of Chemical Formula 1 and a compound of Chemical Formula 2.

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.

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

Polycyclic compound and organic light emitting diode comprising same

A compound represented by Chemical Formula 1, and an organic light emitting device comprising the same, the compound used in an organic material layer of the organic light emitting device, and providing low driving voltage and high efficiency properties of the organic light emitting device.

Boron-containing compound and organic light-emitting element comprising same

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

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Daejeon, South Korea

Sang Duk Suh