公开(公告)号：US20190058131A1

公开(公告)日：2019-02-21

申请号：US16079544

申请日：2017-11-27

Applicant: LG CHEM, LTD.

Inventor： Seong Mi CHO ,  Jung Ha LEE ,  Dong Hoon LEE ,  Tae Yoon PARK ,  Jeong Wook MUN ,  Min Woo JUNG ,  Ju Young LEE

IPC: H01L51/00 ,  H01L51/50

Abstract: The present invention provides an organic light emitting device having improved driving voltage, efficiency and lifetime.

公开(公告)号：US20190047991A1

公开(公告)日：2019-02-14

申请号：US16079962

申请日：2017-09-13

Applicant: LG CHEM, LTD.

Inventor： Min Woo JUNG ,  Jung Ha LEE ,  Dong Hoon LEE ,  Tae Yoon PARK ,  Boon Jae JANG ,  Seong Mi CHO ,  Dong Uk HEO

IPC: C07D405/14 ,  C07D405/04 ,  C07D409/14 ,  H01L51/00

Abstract: The present invention provides a novel heterocyclic compound and an organic light emitting element using the same.