Lg Chem, Ltd

Yongbum Cha

Sung Kil Hong

Jin Joo Kim

Sang Duk Suh

Dong Uk Heo

Jungoh Huh

Seong So Kim

Seongmi Cho

Jungbum Kim

Dong Hoon Lee

Miyeon Han

Boonjae Jang

Wanpyo Hong

Sung Jae Lee

Junghoon Yang

Heekyung Yun

Min Woo Jung

Minseung Chun

Jiwon Kwak

Jaegoo Lee

Minyoung Kang

Sang Young Jeon

Dongheon Kim

Jungha Lee

Boon Jae Jang

Sunghyun Hwang

Young Seok Kim

Yun Hwan Kim

Sujeong Geum

Jae Tak Lee

Woo Jin Cho

Hyeon Jin Mun

Jemin Ryu

Minjun Kim

Woochul Lee

Jae Seung Ha

Yeon Hwan Kim

Kichul Koo

Hyok Joon Kwon

Kyunghee Kim

Seoyeon Kim

Seonwoo Kim

Joongsuk Oh

Joo Yong Yoon

Hyoungcheul Kim

Sunmin Kim

Da Jung Lee

Jiyoung Noh

Dongkeun Song

Jungoh Huh Kwon

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

A compound represented by Chemical Formula 1 and an organic light emitting device including the same.

Compound and organic light emitting device comprising same

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

Heterocyclic compound and organic light emitting device comprising same

An organic light emitting device including a first electrode; a second electrode provided to face the first electrode; and an organic material layer having one, two or more layers provided between the first electrode and the second electrode, wherein the organic material layer includes a first organic material layer including a compound of Chemical Formula 1 and a second organic material layer including a compound of Chemical Formula 2.

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

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

Heterocyclic compound and organic light emitting element comprising same

Provided is a compound of Chemical Formula 1: wherein, in Chemical Formula 1:

Compound and organic light emitting device comprising the same

The present specification relates to a hetero-cyclic compound represented by the following Chemical Formula 1, and an organic light emitting device including the same. Such hetero-cyclic compound used as a material for an organic material layer of an organic light emitting device improves efficiency, achieves low driving voltage, and/or improves service life characteristics. [Chemical Formula 1]

Heterocyclic compound and organic light emitting diode containing same

An organic light emitting device comprising an anode, a hole transport layer, a light emitting layer including a host and a dopant, and a cathode, where a difference between a dipole moment value of a compound included in the hole transport layer and a dipole moment value of the host is 1.0 to 2.0, and the organic light emitting device having low driving voltage, high emission efficiency and long lifetime characteristics.

Organic light emitting device

The present disclosure provides a 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.

Provided is a compound of Chemical Formula 1:

The present specification relates to an organic light emitting device.

Organic light-emitting element

The present specification relates to a hetero-cyclic compound and an organic light emitting device comprising the same.

A compound of Chemical Formula 1, and an organic light emitting device including the same

Polycyclic compound and organic light-emitting device including same

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Daejeon, South Korea

Yongbum Cha