Lg Chem, Ltd

Dong Uk Heo

Dong Hoon Lee

Miyeon Han

Jungoh Huh

Boonjae Jang

Min Woo Jung

Minyoung Kang

Junghoon Yang

Heekyung Yun

Sung Kil Hong

Boon Jae Jang

Yongbum Cha

Jae Tak Lee

Mi Yeon Han

Jung Oh Huh

Tae Yoon Park

Seong Mi Cho

Jung Ha Lee

Wooyung Jung

Wanpyo Hong

Jungha Lee

Seong So Kim

Jungi Jang

Hyungjin Lee

Min Young Kang

Sangbin Lee

Seongmi Cho

Jae Seung Ha

Jung Min Yoon

Jung Hoon Yang

Sang Duk Suh

Minseung Chun

Jin Joo Kim

Ju Young Lee

Sujeong Geum

Jung-Hoon Yang

Kichul Koo

Sung Jae Lee

Woo Jin Cho

Jungbum Kim

Jiwon Kwak

Jaegoo Lee

Wonik Jeong

Hoyoon Park

Minyong Kang

Yongha Kim

Boojae Jang

Provided is an organic light-emitting device comprising: a light emitting layer comprising a compound of the following Chemical Formula 1, and one or more of an electron transport layer, an electron injection layer, or an electron transport and injection layer that comprises at least one of a compound of the following Chemical Formula 2 and a compound of the following Chemical Formula 3: wherein Arand Arare each independently a substituent of Chemical Formula 4, where Xto Xare each independently N or C(R), wherein at least two of Xto Xare N, and the other substituents are as defined in the specification. The organic light emitting device including the heterocyclic compound of Chemical Formula 1 and the heterocyclic compound of Chemical Formula 2 or 3 had significantly superior efficiency and lifespan.

Organic light emitting device

Provided is a heterocyclic compound of Chemical Formula 1:

Heterocyclic compound and organic light-emitting device comprising same

Heterocyclic compound and organic light emitting device comprising the same

A fluorene derivative of any of Chemical Formula 1-1 to Chemical Formula 1-3:

Fluorene derivative and organic light emitting device comprising same

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

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

Compound and organic light emitting device comprising the same

Provided is an organic light emitting device including a first organic material layer that comprises a compound of Formula 1: and a second organic material layer comprising a compound of Formula 2:

Organic light emitting diode

The present specification relates to an organic light emitting device having high light emission efficiency. Such organic light emitting device comprises a light emitting layer provided between the cathode and the anode, and including an anthracene derivative represented by the following Chemical Formula 2, and an organic material layer provide between the cathode and the light emitting layer, and including a cyclic compound represented by the following Chemical Formula 1.  wherein Ar1, Ar2, X, G1, G2, m, n, R1-R8, Ar3, Ar4, L3, and I3 are described herein.

Organic light-emitting element

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

Compound and organic light-emitting device 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 a first electrode; a second electrode opposite to the first electrode; and a first organic material layer and a second organic material layer provided between the first electrode and the second electrode, wherein the first organic material layer includes a compound of Chemical Formula 1:

Organic light-emitting device

Provided is a fluorene derivative of Chemical Formula 1: and an organic light emitting device comprising the same.

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

An organic light emitting device having a first organic material layer that includes a compound of Chemical Formula 1 and the second organic material layer that includes a compound of Chemical Formula 2,

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Daejeon, South Korea

Dong Uk Heo