公开(公告)号：US10995098B2

公开(公告)日：2021-05-04

申请号：US16313810

申请日：2017-12-14

申请人： LG CHEM, LTD.

发明人： Sang Duk Suh ,  Sung Kil Hong ,  Kyung Seok Jeong

IPC分类号： H01L51/50 ,  C07D493/14 ,  C07D493/04 ,  C07D519/00 ,  H01L51/00 ,  C09K11/06

摘要： 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.

公开(公告)号：US11634430B2

公开(公告)日：2023-04-25

申请号：US16475221

申请日：2018-04-27

申请人： LG CHEM, LTD.

发明人： Kyung Seok Jeong ,  Minseung Chun ,  Wanpyo Hong ,  Jin Joo Kim ,  Hongsik Yoon ,  Joongsuk Oh

IPC分类号： H01L51/54 ,  C07D498/04 ,  H01L51/00 ,  H01L51/50

摘要： 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.

公开(公告)号：US11502261B2

公开(公告)日：2022-11-15

申请号：US16487420

申请日：2018-05-02

申请人： LG CHEM, LTD.

发明人： Wanpyo Hong ,  Min Seung Chun ,  Kyung Seok Jeong ,  Jin Joo Kim ,  Ok Keun Song ,  Hongsik Yoon

IPC分类号： H01L51/50 ,  H01L51/00 ,  C07F7/08 ,  C09K11/06

摘要： 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.

公开(公告)号：US20230331639A1

公开(公告)日：2023-10-19

申请号：US17913758

申请日：2021-03-23

申请人： LG CHEM, LTD.

发明人： Sunmin Kim ,  Wanpyo Hong ,  Woochul Lee ,  Kyung Seok Jeong ,  Woo Han Kim

IPC分类号： C07B59/00

CPC分类号： C07B59/001 ,  C07B2200/05

摘要： 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: