Lg Chem, Ltd

Jung Ha Lee

Min Woo Jung

Tae Yoon Park

Dong Hoon Lee

Seong Mi Cho

Dong Uk Heo

Jeong Wook Mun

Mi Young Chae

Boon Jae Jang

Min Young Kang

Sang Young Jeon

Ju Young Lee

Seongmi Cho

Mi Yeon Han

Seoyeon Kim

Provided is a heterocyclic compound of Chemical Formula 1:

Heterocyclic compound and organic light emitting device comprising the same

Provided is a heterocyclic compound of Chemical Formula 1: where Xis O or S; Land Lare each independently a single bond, a substituted or unsubstituted phenylene, a substituted or unsubstituted naphthylene, or a substituted or unsubstituted biphenylenyl; Yto Yare each independently N or CR, provided that at least one of Yto Yis N; and Arand Arare each independently a substituted or unsubstituted Caryl or a substituted or unsubstituted Cheteroaryl containing 1 to 3 heteroatoms selected from the group consisting of N, O and S;and an organic light emitting device comprising the same, where the compound of Chemical Formula 1 can be used as a material of an organic material layer of an organic light emitting device and can exhibit improved efficiency, a low driving voltage and/or improved lifetime characteristics of the organic light emitting device.

Provided is a heterocyclic compound Chemical Formula 1 or 2: and an organic light emitting device comprising the same.

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

Heterocyclic compounds and organic light emitting device using the same

The present invention relates to a novel heterocyclic compound and an organic light emitting device comprising the same.

The present invention provides an organic light emitting device having improved driving voltage, efficiency and lifetime.

Organic light emitting device

Disclosed are a heterocyclic compound represented by Formula 1 and an organic light emitting device using the same. The heterocyclic compound is used as a material for hole injection layer, hole transport layer, hole injection and transport layer, light emission layer, electron transport layer, or electron injection layer of the organic light emitting device and provides improved efficiency, low driving voltage, and improved lifetime characteristic. 

Heterocyclic compound and organic light emitting device using the same

Provided is an organometallic compound of Chemical Formula 1: 

Organometallic compound containing an iridium complex containing a 2-phenylpyridine ligand and an organic light emitting device comprising same

Provided is a heterocyclic compound of Formula 1: 

Provided is a compound of Chemical Formula 1 or 2: wherein: Xto Xare N or CH, with the proviso that at least one of Xto Xis N; Y is O or S; Land Lare each independently a single bond or a substituted or unsubstituted Carylene; and Ar is a substituted or unsubstituted Calkyl, a substituted or unsubstituted Chaloalkyl, a substituted or unsubstituted Ccycloalkyl, a substituted or unsubstituted Caryl, or a substituted or unsubstituted Cheteroaryl containing one to three heteroatoms selected from the group consisting of N, O, and S, and an organic light emitting device including the same.

Compound and organic light emitting device comprising the same

The present invention relates to a novel cyclic compound represented by Formula 1, and an organic light emitting device comprising an organic material layer including the novel cyclic compound and having improved efficiency, low driving voltage, and enhanced lifetime characteristic: 

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Daejeon, South Korea

Jung Ha Lee