公开(公告)号：US20220213120A1

公开(公告)日：2022-07-07

申请号：US17606550

申请日：2020-08-20

Applicant: LT MATERIALS CO., LTD.

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

IPC: C07D495/14 ,  H01L51/00 ,  C07D491/147 ,  C07D519/00

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：US20230128360A1

公开(公告)日：2023-04-27

申请号：US17889642

申请日：2022-08-17

Applicant: LT MATERIALS CO., LTD.

Inventor： Yu-Jin HEO ,  Sol LEE ,  Yong-Hui LEE ,  Jun-Tae MO ,  Dong-Jun KIM

IPC: H01L51/00 ,  C07D405/04 ,  C07D403/04

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

公开(公告)号：US20220393108A1

公开(公告)日：2022-12-08

申请号：US17619751

申请日：2020-09-16

Applicant: LT MATERIALS CO., LTD.

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

IPC: H01L51/00 ,  C07C211/61 ,  C09K11/06 ,  C07D209/88 ,  C07D307/91 ,  C07D333/76 ,  C07D311/96

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 including the heterocyclic compound in an organic material layer.

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：US20240237515A1

公开(公告)日：2024-07-11

申请号：US18509471

申请日：2023-11-15

Applicant: LT MATERIALS CO., LTD.

Inventor： Young-Jin LEE ,  Jun-Tae MO ,  Yu-Jin HEO ,  Yong-Hui LEE ,  Seung-Woo LEE ,  Dong-Jun KIM ,  Dae-Hyuk CHOI

IPC: H10K85/60 ,  C07D405/04 ,  C07D405/14 ,  C09K11/06

CPC classification number: H10K85/636 ,  C07D405/04 ,  C07D405/14 ,  C09K11/06 ,  H10K85/615 ,  H10K85/626 ,  H10K85/654 ,  H10K85/6574 ,  H10K50/12

Abstract: The present specification provides a composition for an organic light emitting device and an organic light emitting device including the same.

公开(公告)号：US20220289693A1

公开(公告)日：2022-09-15

申请号：US17612703

申请日：2020-10-20

Applicant: LT MATERIALS CO., LTD.

Inventor： Gi-Back LEE ,  Yu-Jin HEO ,  Won-Jang JEONG

IPC: C07D251/24 ,  H01L51/00 ,  C07D239/26 ,  C07D213/16 ,  C07D403/10 ,  C07D401/10 ,  C07D405/10 ,  C07F9/32 ,  C07D471/04

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：US20200255452A1

公开(公告)日：2020-08-13

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 ,  H01L51/00 ,  C07D471/14 ,  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：US20250143179A1

公开(公告)日：2025-05-01

申请号：US18835674

申请日：2023-02-01

Applicant: LT MATERIALS CO., LTD.

Inventor： Yu-Jin HEO ,  Jun-Tae MO ,  Dong-Jun KIM

IPC: H10K85/60 ,  C09K11/02 ,  C09K11/06 ,  H10K71/10 ,  H10K101/00

Abstract: The present application provides an organic light emitting device which includes a heterocyclic compound capable of significantly improving the service life, efficiency, electrochemical stability, and thermal stability of the organic light emitting device in an organic material layer, a composition for an organic material layer of the organic light emitting device, and a method for manufacturing the organic light emitting device.

公开(公告)号：US20230391740A1

公开(公告)日：2023-12-07

申请号：US18032221

申请日：2021-09-10

Applicant: LT MATERIALS CO.,LTD.

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

IPC: C07D307/91 ,  C07D407/12 ,  C07D411/12 ,  C07D333/76 ,  C07D409/12 ,  C07C211/61 ,  C07D411/10 ,  H10K85/60

CPC classification number: C07D307/91 ,  C07D407/12 ,  C07D411/12 ,  C07D333/76 ,  C07D409/12 ,  C07C211/61 ,  C07D411/10 ,  H10K85/6574 ,  H10K85/615 ,  H10K85/633 ,  H10K85/6576 ,  H10K85/622

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

公开(公告)号：US20230263050A1

公开(公告)日：2023-08-17

申请号：US18012331

申请日：2021-06-24

Applicant: LT MATERIALS CO., LTD.

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

IPC: H10K85/60 ,  C07D307/91 ,  C09K11/06 ,  C07D409/12 ,  C07D409/14

CPC classification number: H10K85/636 ,  C07D307/91 ,  C09K11/06 ,  H10K85/633 ,  C07D409/12 ,  C07D409/14 ,  H10K50/181

Abstract: The present application provides a hetero-cyclic 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 hetero-cyclic compound in an organic material layer.