公开(公告)号：US20240138263A1

公开(公告)日：2024-04-25

申请号：US18469108

申请日：2023-09-18

Applicant: Samsung Display Co., LTD.

Inventor： Makoto YAMAMOTO ,  Keigo HOSHI ,  Yuji SUZAKI ,  Hirokazu KUWABARA ,  Nobutaka AKASHI ,  Ryuhei FURUE ,  Toshiyuki MATSUURA ,  Yoshiro SUGITA ,  Yuma AOKI ,  Yuuki MIYAZAKI

IPC: H10K85/60 ,  C09K11/06

CPC classification number: H10K85/658 ,  C09K11/06 ,  H10K85/631 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2101/20

Abstract: A light emitting element of one or more embodiments includes a first electrode, a second electrode oppositely to the first electrode, and an emission layer between the first electrode and the second electrode. The light emitting element of one or more embodiments includes a polycyclic compound represented by a specific chemical structure in the emission layer, thereby showing improved emission efficiency and life characteristics.

公开(公告)号：US20230219981A1

公开(公告)日：2023-07-13

申请号：US18074777

申请日：2022-12-05

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu KUWABARA ,  Ryuhei FURUE ,  Yuma AOKI ,  Yuuki MIYAZAKI

IPC: C07F5/02 ,  H10K85/30 ,  H10K85/60 ,  H10K50/11

CPC classification number: C07F5/027 ,  H01L51/008 ,  H01L51/0072 ,  H01L51/0054 ,  H01L51/0073 ,  H01L51/0061 ,  H01L51/5012 ,  C07B2200/05

Abstract: Embodiments provide a polycyclic compound and a light emitting element that includes the polycyclic compound. The light emitting element includes a first electrode, a second electrode disposed on the first electrode, and at least one functional layer disposed between the first electrode and the second electrode, wherein the at least one functional layer includes the polycyclic compound, which is represented by Formula 1. Formula 1 is defined in the specification. The light emitting element exhibits a long service life.

公开(公告)号：US20220223790A1

公开(公告)日：2022-07-14

申请号：US17459393

申请日：2021-08-27

Applicant: Samsung Display Co., Ltd.

Inventor： Yuji SUZAKI ,  Hirokazu KUWABARA ,  Keigo HOSHI ,  Ryuhei FURUE ,  Tetsuji HAYANO ,  Yuuki MIYAZAKI

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06

Abstract: Provided is an organic electroluminescence device including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The emission layer includes a polycyclic compound represented by Formula 1, and thus the organic electroluminescence device exhibits high luminous efficiency.

公开(公告)号：US20220209117A1

公开(公告)日：2022-06-30

申请号：US17450684

申请日：2021-10-12

Applicant: Samsung Display Co., Ltd.

Inventor： Ryuhei FURUE ,  Hirokazu KUWABARA ,  Makoto YAMAMOTO ,  Yuji SUZAKI ,  Yuuki MIYAZAKI

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06

Abstract: An organic electroluminescence device of one or more embodiments includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer and a second electrode disposed on the electron transport region, wherein the first electrode and the second electrode each independently includes at least one selected among Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF/Ca, LiF/Al, Mo, Ti, In, Sn, Zn, compounds thereof, mixtures thereof, and oxides thereof, and the emission layer includes a polycyclic compound represented by Formula 1, thereby showing long life and high efficiency:

公开(公告)号：US20210210696A1

公开(公告)日：2021-07-08

申请号：US17124170

申请日：2020-12-16

Applicant: Samsung Display Co., Ltd.

Inventor： Yuuki MIYAZAKI ,  Ryuhei FURUE

IPC: H01L51/00

Abstract: An organic electroluminescence device of an embodiment of the present disclosure includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the emission layer may include a nitrogen-containing compound represented by Formula 1, thereby exhibiting a long service life. In Formula 1, at least one of A1 to A5 is represented by Formula 2, and at least another one of A1 to A5 is represented by Formula 3:

公开(公告)号：US20220181556A1

公开(公告)日：2022-06-09

申请号：US17403018

申请日：2021-08-16

Applicant: Samsung Display Co, Ltd. ,  KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION

Inventor： Yuuki MIYAZAKI ,  In Seob PARK ,  Takuma YASUDA ,  Hyukgi MIN

IPC: H01L51/00 ,  C09K11/06 ,  C07D498/22 ,  C07D471/22

Abstract: A light emitting device of an embodiment includes a first electrode, a second electrode facing the first electrode, and multiple organic layers disposed between the first electrode and the second electrode. At least one among the organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency.

公开(公告)号：US20220093874A1

公开(公告)日：2022-03-24

申请号：US17332481

申请日：2021-05-27

Applicant: Samsung Display Co., Ltd.

Inventor： Yuuki MIYAZAKI

IPC: H01L51/00

Abstract: A polycyclic compound of an embodiment is represented by Formula 1, which is defined in the disclosure. A light emitting device of an embodiment includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer includes the polycyclic compound represented by Formula 1, and the light emitting device may show improved device characteristics.

公开(公告)号：US20200161562A1

公开(公告)日：2020-05-21

申请号：US16567389

申请日：2019-09-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yoshimasa FUJITA ,  Keigo HOSHI ,  Yuuki MIYAZAKI

IPC: H01L51/00 ,  C07D209/86 ,  C09K11/06

Abstract: An organic electroluminescence device includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode. The emission layer may include a compound including a first phenyl group that is substituted with at least one cyano group and a second phenyl group that is substituted with five substituted or unsubstituted carbazole groups, the second phenyl group being directly bonded to the first phenyl group.

公开(公告)号：US20200013962A1

公开(公告)日：2020-01-09

申请号：US16427620

申请日：2019-05-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yuuki MIYAZAKI

IPC: H01L51/00 ,  H01L51/50 ,  C07D409/04 ,  C07D405/04 ,  C07D413/04 ,  C07F7/08

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, the emission layer including a polycyclic compound, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the polycyclic compound includes an isophthalonitrile derivative, a linker, and a nitrogen-containing group, the linker is a condensed cyclic group of three rings that are independently five-membered or six-membered rings, and each of the isophthalonitrile derivative and the nitrogen-containing group is substituted into a same ring of the linker.

公开(公告)号：US20190067592A1

公开(公告)日：2019-02-28

申请号：US15969945

申请日：2018-05-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yuuki MIYAZAKI

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

Abstract: A nitrogen-containing compound and an organic electroluminescence device, the compound being represented by the following Formula 1: