公开(公告)号：US20240237506A1

公开(公告)日：2024-07-11

申请号：US18236768

申请日：2023-08-22

Applicant: LG DISPLAY CO., LTD.

Inventor： Na-Yeon LEE ,  Young-Woo WOO ,  Han-Sol PARK ,  Ku-Sun CHOUNG

IPC: H10K85/30 ,  C07F15/00 ,  C09K11/06

CPC classification number: H10K85/342 ,  C07F15/0033 ,  C09K11/06 ,  H10K50/12

Abstract: The present disclosure relates to an organometallic compound having the following structure of Chemical Formula 1, Ir(LA)m(LB)n, an organic light emitting diode (OLED) where the organometallic compound is applied to an emitting material layer and an organic light emitting device. The luminous efficiency, color purity and luminous lifespan of the OLED and the organic light emitting device can be improved.

公开(公告)号：US20230172050A1

公开(公告)日：2023-06-01

申请号：US17953687

申请日：2022-09-27

Applicant: LG DISPLAY CO., LTD.

Inventor： Yoo-Jeong JEONG ,  Han-Sol PARK ,  Ku-Sun CHOUNG

IPC: H01L51/00 ,  C09K11/06

CPC classification number: H01L51/0085 ,  H01L51/0072 ,  H01L51/0067 ,  C09K11/06 ,  H01L51/0073 ,  C09K2211/185 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  H01L51/5016

Abstract: An organic light emitting diode (OLED) in which at least one emitting material layer includes a dopant having the following structure represented by Formula 1 and a fused hetero-aromatic-based host and/or an azine-based host, and an organic light emitting device including the OLED. The OLED and the organic light emitting device including the host and the dopant can improve their luminous efficiency and luminous lifespan.


Ir(LA)m(LB)n  [Formula 1]

公开(公告)号：US20230172049A1

公开(公告)日：2023-06-01

申请号：US17953635

申请日：2022-09-27

Applicant: LG DISPLAY CO., LTD.

Inventor： Yoo-Jeong JEONG ,  Han-Sol PARK ,  Ku-Sun CHOUNG

IPC: H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0085 ,  H01L51/0072 ,  H01L51/0071 ,  H01L51/0073 ,  H01L51/0067 ,  H01L51/504 ,  H01L51/5024

Abstract: An organic light emitting diode (OLED) in which at least one emitting material layer includes a dopant having the following structure represented by Formula 1 and a fused hetero-aromatic-based host and/or an azine-based host, and an organic light emitting device including the OLED. The OLED and the organic light emitting device including the host and the dopant can improve their luminous efficiency and luminous lifespan.


Ir(LA)m(LB)n  [Formula 1]

公开(公告)号：US20230172045A1

公开(公告)日：2023-06-01

申请号：US17899034

申请日：2022-08-30

Applicant: LG DISPLAY CO., LTD.

Inventor： Ku-Sun CHOUNG ,  Han-Sol PARK ,  Yoo-Jeong JEONG

IPC: H01L51/00

CPC classification number: H01L51/0085 ,  H01L51/0072 ,  H01L51/0067 ,  H01L51/5024

Abstract: An organic light emitting diode (OLED) in which at least one emitting material layer includes a dopant having the structure represented by Formula 1 and a biscarbazole-base host and/or an azine-based host, and an organic light emitting device including the OLED. The OLED and the organic light emitting device including the host and the dopant can improve their luminous efficiency and luminous lifespan.


Ir(LA)m(LB)n  [Formula 1]

公开(公告)号：US20230171981A1

公开(公告)日：2023-06-01

申请号：US17962755

申请日：2022-10-10

Applicant: LG Display Co., Ltd

Inventor： Han-Sol PARK ,  Yoo-Jeong JEONG ,  Ku-Sun CHOUNG

IPC: H01L51/50

CPC classification number: H01L51/5024 ,  H01L51/504

Abstract: An organic light emitting diode (OLED) in which at least one emitting material layer includes a dopant having the following structure represented by Formula 1 and a fused hetero-aromatic-based host and/or an azine-based host, and an organic light emitting device including the OLED. The OLED and the organic light emitting device including the host and the dopant can improve their luminous efficiency and luminous lifespan.


Ir(LA)m(LB)n  [Formula 1]