公开(公告)号：US20210036227A1

公开(公告)日：2021-02-04

申请号：US16881872

申请日：2020-05-22

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu KUWABARA ,  Ryuhei FURUE

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1 below, and shows high emission efficiency:

公开(公告)号：US20240334829A1

公开(公告)日：2024-10-03

申请号：US18442929

申请日：2024-02-15

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu KUWABARA ,  Ryuhei FURUE ,  Yuma AOKI

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06 ,  H10K50/12 ,  H10K85/30 ,  H10K101/20

CPC classification number: H10K85/658 ,  C07F5/02 ,  C09K11/06 ,  H10K50/121 ,  H10K85/342 ,  C09K2211/1018 ,  H10K2101/20

Abstract: A light emitting element includes a first electrode, a second electrode on the first electrode, and at least one functional layer which is disposed between the first electrode and the second electrode and includes a fused polycyclic compound represented by Formula 1:

公开(公告)号：US20240284796A1

公开(公告)日：2024-08-22

申请号：US18503982

申请日：2023-11-07

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu KUWABARA ,  Keigo HOSHI ,  Ryuhei FURUE

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06

CPC classification number: H10K85/658 ,  C07F5/027 ,  C09K11/06 ,  H10K50/12

Abstract: A light emitting element including a first electrode, a second electrode facing the first electrode, and a functional layer provided between the first electrode and the second electrode is provided. The functional layer includes a fused polycyclic compound having sterically bulky substituents that may control aggregation and increase intermolecular distances thereby reducing energy transfer and increasing the integrity of the constituent layers of the light emitting element (e.g., a blue light emitting element).

公开(公告)号：US20240284795A1

公开(公告)日：2024-08-22

申请号：US18483645

申请日：2023-10-10

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu KUWABARA ,  Keigo HOSHI ,  Ryuhei FURUE

IPC: H10K85/60 ,  C09K11/06

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

Abstract: Embodiments provide a fused polycyclic compound and a light emitting element that includes the fused 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 fused polycyclic compound. The fused polycyclic compound is represented by Formula 1, which is explained in the specification.

公开(公告)号：US20240284691A1

公开(公告)日：2024-08-22

申请号：US18506095

申请日：2023-11-09

Applicant: Samsung Display Co., Ltd.

Inventor： Keigo HOSHI ,  Hirokazu KUWABARA ,  Yuji SUZAKI

IPC: H10K50/11 ,  C09K11/06 ,  H10K50/15 ,  H10K50/16

CPC classification number: H10K50/11 ,  C09K11/06 ,  H10K50/15 ,  H10K50/16 ,  C09K2211/1014

Abstract: A light emitting element may include a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode and including a fused polycyclic compound represented by Formula 1, the fused polycyclic compound including at least one carbazole substituent directly linked to the fused ring core and including at least one cyano group.

公开(公告)号：US20240215445A1

公开(公告)日：2024-06-27

申请号：US18451634

申请日：2023-08-17

Applicant: Samsung Display Co., Ltd.

Inventor： Yuuki MIYAZAKI ,  Hirokazu KUWABARA ,  Ryuhei FURUE ,  Yoshiro SUGITA ,  Yuji SUZAKI

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06

CPC classification number: H10K85/658 ,  C07F5/027 ,  C09K11/06 ,  C09K2211/1018 ,  H10K50/12

Abstract: A light emitting device includes a first electrode, a second electrode facing the first electrode, and a functional layer disposed between the first electrode and the second electrode, wherein the functional layer includes a first compound represented by Formula 1 below:




In Formula 1, the substituents are the same as defined in the Detailed Description.

公开(公告)号：US20230217826A1

公开(公告)日：2023-07-06

申请号：US18149487

申请日：2023-01-03

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K85/60 ,  H10K50/15 ,  H10K50/16 ,  H10K50/11 ,  H10K85/40 ,  H10K85/30 ,  C07F5/02

CPC classification number: H10K85/658 ,  H10K50/15 ,  H10K50/16 ,  H10K50/11 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/654 ,  H10K85/40 ,  H10K85/346 ,  C07F5/027 ,  C07B2200/05

Abstract: A light emitting element includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode and includes a compound represented by Formula 1 below, thereby exhibiting a long service life characteristic.

公开(公告)号：US20210320257A1

公开(公告)日：2021-10-14

申请号：US17102168

申请日：2020-11-23

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu KUWABARA ,  Ryuhei FURUE

IPC: H01L51/00

Abstract: An organic electroluminescence device includes a first electrode and a second electrode facing each other, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one of the plurality of organic layers includes a fused polycyclic compound represented by Formula 1, and the device exhibits improved luminous efficiency.

公开(公告)号：US20210143331A1

公开(公告)日：2021-05-13

申请号：US16927546

申请日：2020-07-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu KUWABARA ,  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 on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer may include a polycyclic compound represented by Formula 1, thereby exhibiting high luminous efficiency: wherein at least one selected from R1 to R3 is represented by Formula 2:

公开(公告)号：US20210126195A1

公开(公告)日：2021-04-29

申请号：US16926091

申请日：2020-07-10

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu KUWABARA ,  Ryuhei FURUE

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

Abstract: An organic electroluminescence device 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, an electron transport region provided on the emission layer, and a second electrode disposed on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1 to obtain high luminous efficiency: