公开(公告)号：US20220077402A1

公开(公告)日：2022-03-10

申请号：US17387006

申请日：2021-07-28

Applicant: LG Display Co., Ltd. ,  LT Materials Co., Ltd

Inventor： Tae-Ryang HONG ,  Young-Ju RYU ,  Gi-Hwan LIM ,  Jun-Yun KIM ,  Yong-Woo KIM ,  Yong-Geun JUNG ,  Jin-Hwan SHIN ,  Yeon-Jun SHIM

IPC: H01L51/00 ,  C07D487/04 ,  C09K11/06 ,  C07D495/04

Abstract: The present disclosure relates to an organic compound including an electron acceptor moiety of a hetero aromatic ring having at least one nitrogen as a nuclear atom and an electron donor moiety of a fused aromatic or a fused hetero aromatic ring linked to the electron acceptor moiety directly or via a linker moiety, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound includes both the electron acceptor and donor moieties, thus charges can be transported easily within the molecule. The OLED and the organic light emitting device including the organic compound, which may comprise at least one substituent having strong electron withdrawing property at specific position, in an emissive layer can implement excellent luminous efficiency and luminous lifespan.

公开(公告)号：US20220006023A1

公开(公告)日：2022-01-06

申请号：US17363744

申请日：2021-06-30

Applicant: LG DISPLAY CO., LTD.

Inventor： Tae-Ryang HONG ,  Gi-Hwan LIM ,  Jun-Yun KIM

IPC: H01L51/00 ,  C07D487/04 ,  C09K11/06

Abstract: An organic light emitting diode (OLED) including at least one emitting material layer (EML) disposed between two electrodes and comprising a first compound and a second compound and an organic light emitting device having the OLED are disclosed. The first compound of delayed fluorescent material and the second compound of fluorescent material have predetermined energy levels so that the OLED can improve its stability and luminous lifespan.

公开(公告)号：US20200207778A1

公开(公告)日：2020-07-02

申请号：US16712159

申请日：2019-12-12

Applicant: LG Display Co., Ltd. ,  Soulbrain Co., Ltd.

Inventor： Suk-Young BAE ,  Tae-Ryang HONG ,  Jun-Yun KIM ,  Jin-Hee KIM ,  Ah-Rang LEE

IPC: C07D491/107 ,  C07D495/10 ,  H01L51/00

Abstract: The disclosure provides a delayed fluorescent compound of the Formula and an organic light emitting diode including a first electrode, a second electrode and an organic emitting layer between the first and second electrodes, where the delayed fluorescent compound is included in the organic emitting layer, and an organic light emitting display device including the organic emitting layer.

公开(公告)号：US20240147830A1

公开(公告)日：2024-05-02

申请号：US18195730

申请日：2023-05-10

Applicant: LG DISPLAY CO., LTD.

Inventor： Tae-Ryang HONG ,  In-Bum SONG ,  Sung-Jin PARK ,  Jae-Min MOON ,  Seok-Woo KANG

IPC: H10K85/30 ,  C07F15/00 ,  C09K11/02 ,  C09K11/06 ,  H10K50/12 ,  H10K50/13

CPC classification number: H10K85/342 ,  C07F15/0033 ,  C09K11/02 ,  C09K11/06 ,  H10K50/12 ,  H10K50/13 ,  C09K2211/185

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：US20210163427A1

公开(公告)日：2021-06-03

申请号：US17103469

申请日：2020-11-24

Applicant: LG DISPLAY CO., LTD. ,  Soulbrain Co., Ltd

Inventor： Jun-Yun KIM ,  Hyong-Jong CHOI ,  Joong-Hwan YANG ,  Bo-Min SEO ,  Tae-Ryang HONG ,  Jin Hee KIM ,  Eun-Chul SHIN

IPC: C07D253/08 ,  H01L51/00

Abstract: The present disclosure relates to an organic compound having the following structure of Chemical Formula 1, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound includes a triazine moiety of an electron acceptor and a fused hetero aromatic moiety of an electron donor separated from the triazine moiety. The organic compound includes the electron acceptor moiety and the electron donor moiety in a single molecule, thus charges can be moved in the molecule. Also, since the organic compound includes the rigid fused hetero aromatic ring, three dimensional conformation of the organic compound is limited, and therefore the compound may have excellent luminous efficiency and color purity.

公开(公告)号：US20210119169A1

公开(公告)日：2021-04-22

申请号：US17034438

申请日：2020-09-28

Applicant: LG DISPLAY CO., LTD.

Inventor： Ji-Ae LEE ,  Jun-Yun KIM ,  Tae-Ryang HONG ,  Jeong-Eun BAEK

IPC: H01L51/50 ,  H01L51/00 ,  H01L51/42

Abstract: The present disclosure relates to an organic light emitting diode (OLED) including plural light emitting material layers disposed between two electrodes and an electron blocking layer, wherein an energy level of the electron blocking layer disposed adjacently to an emitting material layer with relatively low level delayed fluorescent material and an energy level of the delayed fluorescent material are controlled, and an organic light emitting device having the diode. The OLED can lower its driving voltage and maximize its luminous efficiency and luminous lifetime.

公开(公告)号：US20210119141A1

公开(公告)日：2021-04-22

申请号：US17034380

申请日：2020-09-28

Applicant: LG DISPLAY CO., LTD.

Inventor： Tae-Ryang HONG ,  Jun-Yun KIM ,  Jeong-Eun BAEK ,  Ji-Ae LEE

IPC: H01L51/00

Abstract: An organic light emitting diode including a first electrode; a second electrode facing the first electrode; and an emitting material layer including a first compound and a second compound and positioned between the first and second electrodes. An energy level of the first compound and an energy level of the second compound satisfy a pre-determined condition. An organic light emitting device may include the organic light emitting diode.

公开(公告)号：US20210119140A1

公开(公告)日：2021-04-22

申请号：US17060520

申请日：2020-10-01

Applicant: LG DISPLAY CO., LTD.

Inventor： Ji-Ae LEE ,  Jun-Yun KIM ,  Tae-Ryang HONG ,  Jeong-Eun BAEK

IPC: H01L51/00

Abstract: An organic light emitting diode (OLED) including at least one emitting material layer (EML) disposed two electrodes and comprising triazine-based delayed fluorescent material and boron-dipyrromethene-based fluorescent material and an organic light emitting device including the OLED is disclosed. The triazine-based delayed fluorescent material and the boron-dipyrromethene-based fluorescent material may be included in an identical EML or in adjacently disposed EMLs. The OLED can lower its driving voltage and improve its luminous efficiency by adjusting energy levels of the delayed fluorescent material and the fluorescent material.