公开(公告)号：US20210094914A1

公开(公告)日：2021-04-01

申请号：US17041192

申请日：2019-06-18

Applicant: LT MATERIALS CO., LTD.

Inventor： Geon-Yu PARK ,  Seok-Hyeon YU ,  Dong-Jun KIM

IPC: C07D209/86 ,  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：US20230189645A1

公开(公告)日：2023-06-15

申请号：US17923521

申请日：2021-05-12

Applicant: LT MATERIALS CO., LTD.

Inventor： Yong-Hui LEE ,  Seok-Hyeon YU ,  Jun-Tae MO ,  Su-Yeon KIM ,  Min-Ji PARK ,  Dong-Jun KIM

IPC: H10K85/60 ,  H10K85/40 ,  H10K50/11 ,  H10K71/16

CPC classification number: H10K85/6574 ,  H10K85/654 ,  H10K85/6576 ,  H10K85/40 ,  H10K85/636 ,  H10K85/657 ,  H10K85/631 ,  H10K85/6572 ,  H10K85/633 ,  H10K50/11 ,  H10K71/164 ,  H10K2102/301

Abstract: The present specification relates to an organic light emitting device including 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 include a heterocyclic compound represented by Chemical Formula 1 and a heterocyclic compound represented by Chemical Formula 2, a method for manufacturing the same, and a composition for an organic material layer of an organic light emitting device.

公开(公告)号：US20240179932A1

公开(公告)日：2024-05-30

申请号：US18385901

申请日：2023-10-31

Applicant: LG DISPLAY CO., LTD. ,  LT Materials Co.,Ltd

Inventor： Ji-Seon JANG ,  Chi-Ho LEE ,  Suk-Young BAE ,  Han-Jin AHN ,  Jun-Yun KIM ,  Dae-Hyuk CHOI ,  Dong-Jun KIM ,  Yong-Woo KIM ,  Yong-Geun JUNG ,  Jin-Hwan SHIN ,  Seok-Hyeon YU

IPC: H10K50/12 ,  H10K50/13 ,  H10K50/844 ,  H10K85/30 ,  H10K85/40

CPC classification number: H10K50/12 ,  H10K50/13 ,  H10K50/844 ,  H10K85/346 ,  H10K85/40

Abstract: The present disclosure relates to an organic light emitting diode and an organic light emitting device including the same. The organic light emitting diode includes a first electrode; a second electrode facing the first electrode; and a first blue emitting material layer including a first compound and a second compound and positioned between the first and second electrodes, wherein the first compound is represented by Formula 1, and the second compound is represented by Formula 3. According to an aspect of the present disclosure, it is allowed to provide an OLED and an organic light emitting device having high emitting efficiency and/or improved lifespan.

公开(公告)号：US20220223803A1

公开(公告)日：2022-07-14

申请号：US17507087

申请日：2021-10-21

Applicant: LG DISPLAY CO., LTD. ,  LT Materials Co.,Ltd

Inventor： Sung-Jin PARK ,  Do-Han KIM ,  Hye-Seung KANG ,  Jae-Min MOON ,  Yoo-Jeong JEONG ,  Ji-Young KIM ,  Seok-Hyeon YU

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06

Abstract: The present disclosure relates to an organic metal compound, an organic light emitting diode and organic light emitting device having the same, in particular, to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and luminous lifespan.

公开(公告)号：US20210057651A1

公开(公告)日：2021-02-25

申请号：US16938147

申请日：2020-07-24

Applicant: LT MATERIALS CO., LTD.

Inventor： Seok-Hyeon YU ,  Geon-Yu PARK ,  Young-Seok NO ,  Dong-Jun KIM

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06

Abstract: The present specification relates to an organic light emitting device, a method for manufacturing the same, and a composition for an organic material layer.