Lg Chem, Ltd

Jae Tak Lee

Miyeon Han

Dong Uk Heo

Sung Kil Hong

Jungoh Huh

Junghoon Yang

Heekyung Yun

Dong Hoon Lee

Yongbum Cha

Jung Min Yoon

Ji Hye Kim

Minseung Chun

Yeon Hwan Kim

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 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

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

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

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

Provided is an organic light emitting device comprising: an anode; a cathode; a light emitting layer provided between the anode and the cathode; and an organic material layer provided between the cathode and the light emitting layer, wherein the light emitting layer comprises a compound of Chemical Formula 1, and the organic material layer provided between the cathode and the light emitting layer contains a compound of Chemical Formula 2.

Organic light emitting device containing a light emitting layer an anthracene derivative, and an organic material layer containing a compound including as sustituents a cyano group and a nitrogen-containing heteroring

A method of screening for an electron transport material included in an electron transport layer of an organic light emitting device and a method of screening for a hole blocking material included in a hole blocking layer of the organic light emitting device, the method using a heterogeneous electron transfer rate constant (K) value to select the electron transport material and an electron donating rate constant kto select the hole blocking material, thereby capable of realizing the organic light emitting device having an excellent balance between luminous efficiency and lifetime.

Method of screening for electron transport material and hole blocking material used in organic light emitting device

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:  

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Daejeon, South Korea

Jae Tak Lee