Lg Chem, Ltd

Jung Min Yoon

Kongkyeom Kim

Ki Dong Koo

Young Seok Kim

Dongheon Kim

Sujeong Geum

Woochul Lee

Min Woo Lee

Ki Kon Lee

Sung Kil Hong

Dong Uk Heo

Joo Ho Kim

Miyeon Han

Nansra Heo

Ji Young Choi

Hyungjin Lee

Heekyung Yun

Jae Tak Lee

Younghee Lee

Joongsuk Oh

Hoyoon Park

Provided is a heterocyclic compound of Chemical Formula 1:

Heterocyclic compound and organic light-emitting device comprising same

Provided is an organic light emitting device comprising an anode; a cathode; and a light emitting layer provided between the anode and the cathode, wherein the light emitting layer comprises a first host material comprising a compound of Chemical Formula A:

Organic light emitting element

Provided is a compound of Chemical Formula 1:

Compound and organic light emitting device comprising the same

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

Cyclic compound and organic light emitting device comprising same

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

Compound and organic light emitting device comprising same

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Daejeon, South Korea

Jung Min Yoon