公开(公告)号：US12069946B2

公开(公告)日：2024-08-20

申请号：US17186629

申请日：2021-02-26

Applicant: Samsung Display Co., Ltd.

Inventor： Nobutaka Akashi ,  Hirokazu Kuwabara

IPC: H10K85/40 ,  C07F5/02 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K50/805 ,  H10K85/60

CPC classification number: H10K85/656 ,  C07F5/027 ,  H10K50/12 ,  H10K85/40 ,  H10K85/636 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/15 ,  H10K50/16 ,  H10K50/805

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 emission layer includes a polycyclic compound represented by Formula 1, thereby showing high emission efficiency:




wherein Y is O or S.

公开(公告)号：US11871651B2

公开(公告)日：2024-01-09

申请号：US16998920

申请日：2020-08-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu Kuwabara ,  Yoshiro Sugita ,  Ryuhei Furue

IPC: H10K85/30 ,  H10K50/12 ,  H10K50/16 ,  H10K50/155

CPC classification number: H10K85/322 ,  H10K50/12 ,  H10K50/155 ,  H10K50/16

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. The emission layer may include a polycyclic compound represented by Formula 1 to thereby exhibit high luminous efficiency:

公开(公告)号：US11581493B2

公开(公告)日：2023-02-14

申请号：US16998943

申请日：2020-08-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu Kuwabara ,  Ryuhei Furue

IPC: H01L51/00 ,  C07F5/02 ,  H01L51/50

Abstract: An organic electroluminescence device (OLED) of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode The emission layer may include a condensed polycyclic compound represented by Formula 1, which is connected to two or three substituents represented by Formula 2, and the OLED may exhibit excellent luminous efficiency:

公开(公告)号：US11527726B2

公开(公告)日：2022-12-13

申请号：US16928610

申请日：2020-07-14

Applicant: Samsung Display Co., Ltd.

Inventor： Ryuhei Furue ,  Hirokazu Kuwabara ,  Nobutaka Akashi

IPC: H01L51/00

Abstract: An organic electroluminescence device including a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a compound represented by Formula 1 to achieve high efficiency and an improved efficiency drop in a deep blue emission wavelength region:

公开(公告)号：US11430960B2

公开(公告)日：2022-08-30

申请号：US17023969

申请日：2020-09-17

Applicant: Samsung Display Co., LTD.

Inventor： Hirokazu Kuwabara ,  Ryuhei Furue

IPC: H01L51/00 ,  H01L51/52 ,  H01L51/50

Abstract: An organic electroluminescence device exhibiting high light emission efficiency is provided, which 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. The emission layer may include a nitrogen-containing compound represented by Formula 1:

公开(公告)号：US12058927B2

公开(公告)日：2024-08-06

申请号：US16881872

申请日：2020-05-22

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu Kuwabara ,  Ryuhei Furue

IPC: H10K85/30 ,  C07F5/02 ,  C07F9/6561 ,  C09K11/06 ,  H10K50/11 ,  H10K50/12 ,  H10K85/60

CPC classification number: H10K85/322 ,  C07F5/027 ,  C07F9/6561 ,  C09K11/06 ,  H10K50/12 ,  H10K85/633 ,  H10K85/656 ,  H10K50/11

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：US11889752B2

公开(公告)日：2024-01-30

申请号：US17089268

申请日：2020-11-04

Applicant: Samsung Display Co., LTD.

Inventor： Hirokazu Kuwabara ,  Nobutaka Akashi ,  Ryuhei Furue

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/631 ,  C07F5/027 ,  C09K11/06 ,  C09K2211/1007 ,  H10K50/11 ,  H10K2101/10

Abstract: An organic electroluminescence device having high light emission efficiency is provided, which includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer includes a polycyclic compound represented by Formula 1:

公开(公告)号：US11844272B2

公开(公告)日：2023-12-12

申请号：US17074454

申请日：2020-10-19

Applicant: Samsung Display Co., Ltd.

Inventor： Ryuhei Furue ,  Hirokazu Kuwabara ,  Nobutaka Akashi

IPC: C09K11/06 ,  H10K85/60 ,  C07D487/14 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/654 ,  C07D487/14 ,  C09K11/06 ,  H10K85/6572 ,  C09K2211/1007 ,  C09K2211/1018 ,  H10K50/11 ,  H10K2101/10

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and a plurality of functional layers disposed between the first electrode and the second electrode, wherein at least one functional layer of the plurality of functional layers includes a polycyclic compound represented by Formula 1, thereby showing excellent light emitting efficiency in a short wavelength region:

公开(公告)号：US11785837B2

公开(公告)日：2023-10-10

申请号：US16927546

申请日：2020-07-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hirokazu Kuwabara ,  Ryuhei Furue

IPC: H10K85/30 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11

CPC classification number: H10K85/322 ,  C09K11/06 ,  H10K85/636 ,  H10K85/657 ,  H10K85/6572 ,  C09K2211/1014 ,  H10K50/11

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：US11557734B2

公开(公告)日：2023-01-17

申请号：US17085124

申请日：2020-10-30

Applicant: Samsung Display Co., Ltd.

Inventor： Ryuhei Furue ,  Hirokazu Kuwabara

IPC: H01L51/00 ,  H01L51/50 ,  H01L51/52

Abstract: An organic electroluminescence device includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound having a fused ring system and represented by Formula 1 to achieve high efficiency and improved efficiency drop characteristics in an emission wavelength range: