Lg Chem, Ltd

Kyung Seok Jeong

Wanpyo Hong

Jin Joo Kim

Hongsik Yoon

Sung Kil Hong

Sang Duk Suh

Minseung Chun

Woochul Lee

Woo Han Kim

Min Seung Chun

Joongsuk Oh

Sunmin Kim

Ok Keun Song

A method for preparing a deuterated compound, and a composition including the deuterated compound are provided. The method comprises preparing a compound of Chemical Formula 2 by reacting a compound of Chemical Formula 1; a deuterium source; and a metal catalyst, and forming a compound of Chemical Formula 3 by using the compound of Chemical Formula 2:

Method for preparing deuterated compound

The present specification provides a heterocyclic compound of Chemical Formula 1, and an organic light emitting device comprising the same. The heterocyclic compound used as a material of an organic material layer of an organic light emitting device provides enhanced efficiency, low driving voltage, and enhanced lifetime properties of the organic light emitting device. 

Heterocyclic compound and organic light emitting element comprising same

The present disclosure relates to a compound represented by Formula 1 and an organic light emitting device using the same. The compound used as a material of an organic material layer of the organic light emitting device provides improved efficiency, low driving voltage, and improved lifetime characteristic.

Compound and organic light emitting device using the same

The present invention relates to a cyclic compound having a novel structure and an organic light emitting device comprising the same. The cyclic compound of Chemical Formula 1 used in an organic material layer of the organic light emitting device provides improved driving voltage, light efficiency, and lifetime characteristics.

Heterocyclic compound and organic light emitting device comprising the same

Growing community of inventors

Daejeon, South Korea

Kyung Seok Jeong