公开(公告)号：US20250031513A1

公开(公告)日：2025-01-23

申请号：US18666931

申请日：2024-05-17

Applicant: LT MATERIALS CO., LTD.

Inventor： Yu-Jin HEO ,  Jun-Tae MO ,  Hyo-Kyun HAM ,  Dong-Jun KIM ,  Dae-Hyuk CHOI

IPC: H10K50/11 ,  H10K50/15 ,  H10K85/60

Abstract: Disclosed is an organic light emitting device which includes a heterocyclic compound of Chemical Formula 1 in a light emitting device and a compound of Chemical Formula 2 in a hole transport layer.

公开(公告)号：US20240292741A1

公开(公告)日：2024-08-29

申请号：US18564217

申请日：2022-08-23

Applicant: LT MATERIALS CO., LTD.

Inventor： Nam-Jin LEE ,  Na-Yeong KIM ,  Hyo-Kyun HAM ,  Won-Jang JEONG ,  Dong-Jun KIM

IPC: H10K85/60 ,  C07D307/91 ,  C07D333/76 ,  C07D409/12 ,  C07D409/14 ,  C09K11/06 ,  H10K50/15 ,  H10K50/18

CPC classification number: H10K85/636 ,  C07D307/91 ,  C07D333/76 ,  C07D409/12 ,  C07D409/14 ,  C09K11/06 ,  H10K85/633 ,  C09K2211/1018 ,  H10K50/15 ,  H10K50/181 ,  H10K85/615 ,  H10K85/622 ,  H10K85/626 ,  H10K85/6574 ,  H10K85/6576

Abstract: The present application provides a heterocyclic compound which may significantly improve a service life, efficiency, electrochemical stability, and thermal stability of an organic light emitting device, and an organic light emitting device in which the heterocyclic compound is contained in an organic material layer.

公开(公告)号：US20230357127A1

公开(公告)日：2023-11-09

申请号：US18021737

申请日：2021-02-19

Applicant: LT MATERIALS CO.,LTD.

Inventor： Gi-Back LEE ,  Nam-Jin LEE ,  Won-Jang JEONG ,  Dong-Jun KIM ,  Hyo-Kyun HAM

IPC: C07C211/60 ,  H10K85/60 ,  C07D307/91 ,  C07D333/76 ,  H10K50/15

CPC classification number: C07C211/60 ,  H10K85/633 ,  H10K85/615 ,  H10K85/6574 ,  H10K85/6576 ,  C07D307/91 ,  C07D333/76 ,  H10K50/156

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

公开(公告)号：US20230263053A1

公开(公告)日：2023-08-17

申请号：US18012019

申请日：2021-03-10

Applicant: LT MATERIALS CO., LTD.

Inventor： Gi-Back LEE ,  Hyun-Ju LA ,  Won-Jang JEONG ,  Dong-Jun KIM ,  Hyo-Kyun HAM

IPC: H10K85/60 ,  C07D213/85 ,  C09K11/06

CPC classification number: H10K85/654 ,  C07D213/85 ,  C09K11/06 ,  H10K50/17

Abstract: The present application provides a heterocyclic compound capable of significantly enhancing lifetime, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device containing the heterocyclic compound in an organic material layer.

公开(公告)号：US20230130126A1

公开(公告)日：2023-04-27

申请号：US17890686

申请日：2022-08-18

Applicant: LT MATERIALS CO., LTD.

Inventor： Su-Yeon KIM ,  Na-Yeong KIM ,  Hyo-Kyun HAM ,  Won-Jang JEONG ,  Dong-Jun KIM

IPC: H01L51/00 ,  C07D491/048

Abstract: Disclosed are a heterocyclic compound which may significantly improve a service life, efficiency, electrochemical stability, and thermal stability of an organic light emitting device, and an organic light emitting device in which the heterocyclic compound is contained in an organic material layer.