Lg Chem, Ltd

Heekyung Yun

Dong Uk Heo

Miyeon Han

Jungoh Huh

Junghoon Yang

Dong Hoon Lee

Boonjae Jang

Jae Tak Lee

Sung Kil Hong

Yongbum Cha

Jung Min Yoon

Hoyoon Park

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

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

Fluorene derivative and organic light emitting device comprising same

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.

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,

Heterocyclic compound and organic light emitting element comprising same

Provided is a compound of Chemical Formula 1:HAr-L1-L2-Ar1wherein:

Compound and organic light emitting device comprising same

Provided is a compound of Chemical Formula 1:HAr-L1-L2-Ar1&#x2003;&#x2003;Chemical Formula 1  is a site bonding to L1 of Chemical Formula 1,and an organic light emitting device comprising the same.

Compound and organic light emitting diode comprising same

Provided is a compound of Chemical Formula 1:  

Polycyclic compound and organic light emitting element comprising same

Provided is an organic light emitting device including an anode; a cathode; and a light emitting layer provided between the anode and cathode, wherein an electron control layer provided between the light emitting layer and the cathode and including a compound of Chemical Formula 1: is included, and the light emitting layer includes a compound of Chemical Formula 3: 

Organic light emitting element

The present specification relates to a heterocyclic compound represented by Chemical Formula 1 and an organic light emitting device comprising the same.

Heterocyclic compound and organic light-emitting element including same

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

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Daejeon, South Korea

Heekyung Yun