公开(公告)号：US20240262809A1

公开(公告)日：2024-08-08

申请号：US18557775

申请日：2022-04-26

Applicant: LG CHEM, LTD.

Inventor： In Ae RYU ,  Ju Young LEE ,  Joo Yong YOON ,  Seok Ju LEE ,  Ah Byeol PARK ,  Ki Dae KIM ,  Hui Rak JEONG

IPC: C07D403/10

CPC classification number: C07D403/10

Abstract: The present invention relates to a novel method for preparing an intermediate of Chemical Formula 2, wherein the intermediate can be effectively used in the synthesis of a xanthine oxidase inhibitor.

公开(公告)号：US20190013490A1

公开(公告)日：2019-01-10

申请号：US15747038

申请日：2017-08-09

Applicant: LG CHEM, LTD.

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

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/00

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

公开(公告)号：US20240023355A1

公开(公告)日：2024-01-18

申请号：US18369681

申请日：2023-09-18

Applicant: LG CHEM, LTD.

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

IPC: H10K50/11 ,  C07D405/04 ,  C07D405/14 ,  C09B57/00 ,  C07D209/88 ,  C07D209/86 ,  C07D401/14 ,  C09K11/06 ,  C07D409/04 ,  H10K50/81 ,  H10K50/82 ,  H10K50/17 ,  H10K85/60

CPC classification number: H10K50/11 ,  C07D405/04 ,  C07D405/14 ,  C09B57/008 ,  C09B57/00 ,  C07D209/88 ,  C07D209/86 ,  C07D401/14 ,  C09K11/06 ,  C07D409/04 ,  H10K50/81 ,  H10K50/82 ,  H10K50/171 ,  H10K85/615 ,  H10K85/622 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/15

Abstract: Provided is an organic light emitting device having improved driving voltage, efficiency and lifetime, the organic light emitting device comprises: a cathode; an anode; and at least one light emitting layer interposed between the cathode and the anode, wherein the light emitting layer includes a first host compound of the following Chemical Formula 1-1 or Chemical Formula 1-2 and a second host compound of the following Chemical Formula 2:




where the substituents are as defined in the specification.

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：US20240352001A1

公开(公告)日：2024-10-24

申请号：US18557786

申请日：2022-04-26

Applicant: LG CHEM, LTD.

Inventor： In Ae RYU ,  Ju Young LEE ,  Joo Yong YOON ,  Seok Ju LEE ,  Ah Byeol PARK ,  Ki Dae KIM ,  Hui Rak JEONG

IPC: C07D403/04

CPC classification number: C07D403/04

Abstract: The present invention relates to a novel method for preparing an intermediate of Chemical Formula 3, wherein the intermediate can be effectively used in the synthesis of a xanthine oxidase inhibitor.

公开(公告)号：US20240239768A1

公开(公告)日：2024-07-18

申请号：US18557276

申请日：2022-04-26

Applicant: LG CHEM, LTD.

Inventor： In Ae RYU ,  Ju Young LEE ,  Joo Yong YOON ,  Seok Ju LEE ,  Ah Byeol PARK ,  Ki Dae KIM ,  Hui Rak JEONG

IPC: C07D403/04

CPC classification number: C07D403/04

Abstract: The present invention relates to a novel preparation method that can be advantageously utilized for the synthesis of a xanthine oxidase inhibitor of Chemical Formula 1.