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：US12114564B2

公开(公告)日：2024-10-08

申请号：US17124170

申请日：2020-12-16

Applicant: Samsung Display Co., Ltd.

Inventor： Yuuki Miyazaki ,  Ryuhei Furue

IPC: H10K85/60 ,  H10K50/11

CPC classification number: H10K85/654 ,  H10K85/6572 ,  H10K50/11

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：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：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：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：US11605788B2

公开(公告)日：2023-03-14

申请号：US16893984

申请日：2020-06-05

Applicant: Samsung Display Co., Ltd.

Inventor： Ryuhei Furue ,  Yuuki Miyazaki

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 and shows high emission efficiency and excellent color reproducibility.