公开(公告)号：US20230002350A1

公开(公告)日：2023-01-05

申请号：US17775369

申请日：2020-11-16

Applicant: LT MATERIALS CO., LTD.

Inventor： Gi-Back LEE ,  Seong-Jong PARK ,  Won-Jang JEONG ,  Dong-Jun KIM

IPC: C07D401/10 ,  C07D401/14 ,  C07D215/06 ,  H01L51/00 ,  C07D401/04 ,  C07D471/04 ,  C07F9/535 ,  H01L51/52

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 comprising the heterocyclic compound in an organic material layer.

公开(公告)号：US11515487B2

公开(公告)日：2022-11-29

申请号：US16496712

申请日：2018-03-26

Applicant: LT MATERIALS CO., LTD.

Inventor： Young Seok No ,  Ju Hyon Cha ,  Dongjun Kim

IPC: H01L51/50 ,  H01L51/00 ,  C07D209/86 ,  C07D405/14 ,  C07D487/04 ,  C07D491/048 ,  C07D495/04 ,  C09K11/06 ,  C07D403/14

Abstract: The present specification relates to an organic light emitting device comprising a first electrode, a second electrode, and one or more organic material layers provided between the first electrode and the second electrode, wherein one or more layers of the organic material layers comprise a heterocyclic compound represented by Chemical Formula 1 and a heterocyclic compound represented by Chemical Formula 2 at the same time, and a composition for an organic material layer of an organic light emitting device.

公开(公告)号：US11434228B2

公开(公告)日：2022-09-06

申请号：US16650732

申请日：2018-10-01

Applicant: LT MATERIALS CO., LTD.

Inventor： Gi-Back Lee ,  Seong-Jong Park ,  Ji-Young Kim ,  Won-Jang Jeong ,  Jin-Seok Choi ,  Dae-Hyuk Choi ,  Joo-Dong Lee

IPC: C07D403/14 ,  C07D403/04 ,  C07D407/14 ,  C07D409/14 ,  H01L51/00 ,  H01L51/42 ,  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.

公开(公告)号：US20220259187A1

公开(公告)日：2022-08-18

申请号：US17612956

申请日：2020-11-17

Applicant: LT MATERIALS CO., LTD.

Inventor： Young-Jin LEE ,  Jun-Tae MO ,  Dong-Jun KIM ,  Han-Kook OH ,  Ji-Yoon BYUN

IPC: C07D405/14 ,  C07D409/14 ,  H01L51/00 ,  C07D209/86 ,  C07D519/00

Abstract: The present specification provides a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device comprising the same, a composition for an organic material layer of an organic light emitting device, and a method for manufacturing an organic light emitting device.

公开(公告)号：US20220223795A1

公开(公告)日：2022-07-14

申请号：US17600149

申请日：2020-08-31

Applicant: LT MATERIALS CO., LTD.

Inventor： Young-Jin LEE ,  Seong-Jong PARK ,  Won-Jang JEONG ,  Dong-Jun KIM

IPC: H01L51/00 ,  C07D401/14 ,  C09K11/06

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：US20220169659A1

公开(公告)日：2022-06-02

申请号：US17441390

申请日：2020-09-01

Applicant: LT MATERIALS CO., LTD.

Inventor： Nam-Jin LEE ,  Yu-Jin HEO ,  Won-Jang JEONG ,  Dong-Jun KIM

IPC: C07D498/04 ,  C07D513/04 ,  C07D519/00 ,  C07F9/6561 ,  H01L51/00

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：US20220089610A1

公开(公告)日：2022-03-24

申请号：US17418306

申请日：2019-12-26

Applicant: LT MATERIALS CO., LTD.

Inventor： Jun-Tae MO ,  Mi-Jin KIM ,  Ji-Yoon BYUN ,  Yong-Hui LEE ,  Jong-Su LEE ,  Dong-Jun KIM

IPC: C07D519/00 ,  H01L51/00 ,  C07D493/00 ,  C07D495/00

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

公开(公告)号：US20220024948A1

公开(公告)日：2022-01-27

申请号：US17293527

申请日：2019-11-18

Applicant: LT MATERIALS CO., LTD.

Inventor： Nam-Jin LEE ,  Young-Jin LEE ,  Won-Jang JEONG

IPC: C07D519/00 ,  C07F9/54 ,  H01L51/00

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：US20210234102A1

公开(公告)日：2021-07-29

申请号：US16649423

申请日：2018-09-28

Applicant: LT MATERIALS CO., LTD.

Inventor： Hye-Su JI ,  Han-Kook OH ,  Yun-Ji LEE ,  Won-Jang JEONG ,  Jin-Seok CHOI ,  Dae-Hyuk CHOI

IPC: H01L51/00 ,  C07D495/04 ,  C07D519/00 ,  C07D491/048

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：US20210202863A1

公开(公告)日：2021-07-01

申请号：US16649290

申请日：2018-09-28

Applicant: LT MATERIALS CO., LTD.

Inventor： Yun-Ji LEE ,  Han-Kook OH ,  Hye-Su JI ,  Won-Jang JEONG ,  Jin-Seok CHOI ,  Dae-Hyuk CHOI

IPC: H01L51/00 ,  C07D471/04 ,  C09K11/06

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