公开(公告)号：US10968230B2

公开(公告)日：2021-04-06

申请号：US16069694

申请日：2017-01-26

Applicant: LG Chem, Ltd.

Inventor： Yongbum Cha ,  Sung Kil Hong ,  Jungbum Kim ,  Dong Uk Heo ,  Sung Jae Lee

IPC: H01L51/50 ,  C07D491/052 ,  H01L51/00 ,  C07D209/82 ,  C09K11/06 ,  C07D405/04 ,  C07D407/04 ,  C07D409/04 ,  C07D493/04 ,  C07D495/04

Abstract: The present specification relates to a spiro compound and an organic electronic device including the same.

公开(公告)号：US10957857B2

公开(公告)日：2021-03-23

申请号：US16316591

申请日：2017-07-27

Applicant: LG CHEM LTD.

Inventor： Yongbum Cha ,  Sang Young Jeon ,  Sung Jae Lee ,  Sung Kil Hong

IPC: H01L51/00 ,  C07D403/10 ,  C07D405/10 ,  C07D409/10 ,  C09K11/06 ,  C07D213/06 ,  C07D401/10 ,  H01L51/50 ,  C07D213/16 ,  C07D251/24 ,  C07D405/14

Abstract: The present specification relates to a multicyclic compound and an organic light-emitting device including the same. The multicyclic compound of Chemical Formula 1 used in one or more organic material layers of the organic light emitting device provides enhanced efficiency, decreased driving voltage and enhanced lifespan property of the organic light emitting device.

公开(公告)号：US11659764B2

公开(公告)日：2023-05-23

申请号：US16622227

申请日：2018-11-15

Applicant: LG CHEM, LTD.

Inventor： Jae Seung Ha ,  Sung Jae Lee ,  Hyeon Jin Mun

IPC: C07C211/54 ,  H01L51/00 ,  C07D307/91 ,  C09K11/06 ,  H01L51/50

CPC classification number: H01L51/006 ,  C07C211/54 ,  C07D307/91 ,  C09K11/06 ,  H01L51/0061 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1018 ,  H01L51/0058 ,  H01L51/0073 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092

Abstract: Provided is an amine based compound of Chemical Formula 1:




and an organic electroluminescent device comprising the same. The amine based compound can be used as a material of an organic material layer of an organic electroluminescent device, and can achieve an improvement of the efficiency, a low driving voltage and/or an improvement of the lifetime characteristic when applied to the organic electroluminescent device.

公开(公告)号：US11407718B2

公开(公告)日：2022-08-09

申请号：US16484777

申请日：2018-04-26

Applicant: LG CHEM, LTD.

Inventor： Yong Bum Cha ,  Yeon Ho Cho ,  Yeon Hwan Kim ,  Sang Young Jeon ,  Sung Jae Lee

IPC: C07D239/26 ,  C07D213/06 ,  C07D251/24 ,  H01L51/00 ,  H01L51/50

Abstract: The present disclosure relates to a cyclic compound represented by Chemical Formula 1 and an organic light emitting device including the same. The cyclic 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 characteristics.

公开(公告)号：US11251377B2

公开(公告)日：2022-02-15

申请号：US16486483

申请日：2018-05-11

Applicant: LG CHEM, LTD.

Inventor： Yong Bum Cha ,  Sung Jae Lee ,  Yeon Hwan Kim ,  Sang Young Jeon ,  Seong Mi Cho

IPC: H01L51/00 ,  H01L51/52

Abstract: Provided is an organic light emitting device.

公开(公告)号：US10800969B2

公开(公告)日：2020-10-13

申请号：US15579366

申请日：2016-11-16

Applicant: LG Chem, Ltd.

Inventor： Yongbum Cha ,  Seongmi Cho ,  Sung Kil Hong ,  Jungbum Kim ,  Sung Jae Lee

IPC: H01L51/50 ,  C09K11/06 ,  C07C211/54 ,  C07D401/10 ,  C07D405/14 ,  C07D401/14 ,  C07D403/14 ,  C07D417/10 ,  C07D409/14 ,  C07D405/04 ,  C07F9/572 ,  C07D209/80 ,  C07D403/04 ,  C07D413/10 ,  C07D409/04 ,  C07F7/30 ,  C07D403/10 ,  H01L51/00 ,  C07D209/82 ,  C07D235/30

Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device including the same.