公开(公告)号：US11891361B2

公开(公告)日：2024-02-06

申请号：US16624812

申请日：2018-12-26

Applicant: LT MATERIALS CO., LTD.

Inventor： Hyun-Ju La ,  Seong-Jong Park ,  Won-Jang Jeong ,  Jin-Seok Choi ,  Dae-Hyuk Choi ,  Joo-Dong Lee

IPC: C07D221/12 ,  C07D401/10 ,  C07D403/10 ,  C07D513/02 ,  C07F9/53 ,  C07D401/14 ,  C07D407/14 ,  C07D409/14 ,  C07D401/12 ,  C07D413/10 ,  C07D471/04 ,  H01L51/00 ,  H10K85/60 ,  H10K50/16 ,  H10K50/17

CPC classification number: C07D221/12 ,  C07D401/10 ,  C07D401/12 ,  C07D401/14 ,  C07D403/10 ,  C07D407/14 ,  C07D409/14 ,  C07D413/10 ,  C07D471/04 ,  C07D513/02 ,  C07F9/5325 ,  H10K85/622 ,  H10K85/626 ,  H10K85/656 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/16 ,  H10K50/171

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

公开(公告)号：US12258353B2

公开(公告)日：2025-03-25

申请号：US17299376

申请日：2019-12-06

Applicant: LT MATERIALS CO., LTD.

Inventor： Hyun-Ju La ,  Hye-Su Ji ,  Won-Jang Jeong

IPC: C07D498/04 ,  C07D471/04 ,  C07D519/00 ,  C07F9/53 ,  H01L51/00 ,  H10K85/60 ,  H10K50/11 ,  H10K50/13 ,  H10K50/18 ,  H10K101/30 ,  H10K101/40

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：US11552255B2

公开(公告)日：2023-01-10

申请号：US16348733

申请日：2017-11-30

Applicant: LT MATERIALS CO., LTD.

Inventor： Hyun-Ju La ,  Yu-Jin Heo ,  Won-Jang Jeong ,  Jin-Seok Choi ,  Dae-Hyuk Choi ,  Joo-Dong Lee

IPC: H01L51/52 ,  H01L51/50 ,  H01L27/32 ,  C09K11/06 ,  C07F9/6561 ,  C07D519/00 ,  C07D471/04 ,  C07D403/14 ,  H01L51/00

Abstract: The present application relates to a hetero-cyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.

公开(公告)号：US11665961B2

公开(公告)日：2023-05-30

申请号：US16757086

申请日：2018-10-18

Applicant: LT MATERIALS CO., LTD.

Inventor： Hyun-Ju La ,  Yu-Jin Heo ,  Won-Jang Jeong ,  Jin-Seok Choi ,  Dae-Hyuk Choi ,  Joo-Dong Lee

IPC: H01L51/00 ,  C07D471/04 ,  C07D403/14 ,  C07D409/14 ,  C07D405/14 ,  C07D411/14 ,  C07D413/14 ,  C07D401/14 ,  H01L51/50

CPC classification number: H01L51/0072 ,  C07D401/14 ,  C07D403/14 ,  C07D405/14 ,  C07D409/14 ,  C07D411/14 ,  C07D413/14 ,  C07D471/04 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/5044 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5096

Abstract: The present specification relates to a hetero-cyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.

公开(公告)号：US12252485B2

公开(公告)日：2025-03-18

申请号：US17606553

申请日：2020-07-03

Applicant: LT MATERIALS CO., LTD.

Inventor： Hye-Su Ji ,  Hyun-Ju La ,  Won-Jang Jeong ,  Dong-Jun Kim

IPC: H01L51/54 ,  C07D471/04 ,  C07D519/00 ,  C07F9/28 ,  H10K85/60 ,  H10K50/13 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18

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

公开(公告)号：US11472817B2

公开(公告)日：2022-10-18

申请号：US16756639

申请日：2019-09-19

Applicant: LT MATERIALS CO., LTD.

Inventor： Hyun-Ju La ,  Yu-Jin Heo ,  Won-Jang Jeong

IPC: C07D519/00 ,  C07D471/14 ,  H01L51/00 ,  H01L51/50

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