公开(公告)号：US12058928B2

公开(公告)日：2024-08-06

申请号：US16985583

申请日：2020-08-05

Applicant: Samsung Display Co., LTD.

Inventor： Tetsuji Hayano

IPC: H01L51/00 ,  H10K85/30 ,  H10K85/60 ,  H10K50/11

CPC classification number: H10K85/322 ,  H10K85/636 ,  H10K85/657 ,  H10K50/11

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the polycyclic compound includes a boranamine derivative, a first ring and a second ring, each directly linked to a boron atom of the boranamine derivative, a third ring and a fourth ring, each directly linked to a nitrogen atom of the boranamine derivative, and at least one substituted or unsubstituted boryl group, linked to at least one ring among the first to fourth rings, thereby showing long-life characteristics and excellent color reproducibility.

公开(公告)号：US11832506B2

公开(公告)日：2023-11-28

申请号：US17002617

申请日：2020-08-25

Applicant: Samsung Display Co., Ltd.

Inventor： Tetsuji Hayano

IPC: H01L51/00 ,  H10K85/30 ,  C07F5/02 ,  C09K11/06 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/322 ,  C07F5/027 ,  C09K11/06 ,  C09K2211/1022 ,  H10K50/11 ,  H10K2101/10

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, an oppositely disposed second electrode, 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 has an improved emission efficiency and long device life span:

公开(公告)号：US12133454B2

公开(公告)日：2024-10-29

申请号：US16575334

申请日：2019-09-18

Applicant: Samsung Display Co., Ltd.

Inventor： Tetsuji Hayano

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06 ,  H10K85/30 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/322 ,  C07F5/027 ,  C09K11/06 ,  C09K2211/1022 ,  H10K50/11 ,  H10K2101/10

Abstract: An organic electroluminescence device includes a first and electrodes, sandwiching the following layers: 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. The emission layer includes a polycyclic compound represented by the following structure:




wherein each of X1 to X10 is independently carbon or nitrogen, and each of R1 to R5 is independently a hydrogen atom, a deuterium atom, a substituted or unsubstituted amine group, a substituted or unsubstituted aryl group of 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group of 2 to 30 carbon atoms for forming a ring. If all X1 to X10 are carbon, at least one of R4 and R5 is a substituted or unsubstituted heteroaryl group of 2 to 30 carbon atoms for forming a ring.

公开(公告)号：US12219871B2

公开(公告)日：2025-02-04

申请号：US17391636

申请日：2021-08-02

Applicant: Samsung Display Co., Ltd.

Inventor： Keigo Hoshi ,  Tetsuji Hayano ,  Yuuki Miyazaki

IPC: H10K85/60 ,  H10K50/11 ,  H10K101/40

Abstract: Provided is a light emitting device including 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 at least one polycyclic compound represented by Formula 1 below, and may thus exhibit long life characteristics.

公开(公告)号：US12167683B2

公开(公告)日：2024-12-10

申请号：US17027113

申请日：2020-09-21

Applicant: Samsung Display Co., Ltd.

Inventor： Tetsuji Hayano

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11 ,  H10K101/10

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, and a second electrode disposed on the electron transport region. The emission layer includes a polycyclic compound represented by Formula 1 to thereby achieve high luminous efficiency:

公开(公告)号：US11800786B2

公开(公告)日：2023-10-24

申请号：US16998959

申请日：2020-08-20

Applicant: Samsung Display Co., Ltd.

Inventor： Tetsuji Hayano

IPC: C09K11/06 ,  H10K85/30 ,  C07F5/04 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/322 ,  C07F5/04 ,  C09K11/06 ,  C09K2211/1018 ,  H10K50/11 ,  H10K2101/10

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode and including a polycyclic compound, wherein the polycyclic compound includes a boron atom, a first aromatic ring and a second aromatic ring, which are each directly connected with the boron atom, an oxygen atom or a sulfur atom, which is directly connected with the boron atom, a third aromatic ring, which is directly connected with the oxygen atom or the sulfur atom, a first linker connecting the first aromatic ring and the second aromatic ring, and a second linker connecting the second aromatic ring and the third aromatic ring, thereby showing long-life characteristics and excellent color reproducibility.