公开(公告)号：US20220029099A1

公开(公告)日：2022-01-27

申请号：US17291934

申请日：2019-11-08

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Taro YAMAKI ,  Satomi TASAKI ,  Hiroaki ITOI ,  Yuki NAKANO

IPC: H01L51/00 ,  C07C15/38 ,  C09K11/06

Abstract: A compound represented by the following formula (1), provided that at least one of R1 to R8 is a deuterium atom; and at least one of Ar1 and Ar2 is a substituted or unsubstituted fused aryl group in which only four or more benzene rings are fused.

公开(公告)号：US20210104680A1

公开(公告)日：2021-04-08

申请号：US17118699

申请日：2020-12-11

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Toshinari OGIWARA ,  Kei YOSHIDA ,  Satomi TASAKI

IPC: H01L51/00 ,  C09K11/06

Abstract: An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound, a second compound and a third compound. The first compound is a compound represented by a formula (1) below. The second compound has a larger singlet energy than a singlet energy of the first compound. The third compound is a fluorescent compound.

公开(公告)号：US20210028365A1

公开(公告)日：2021-01-28

申请号：US17043247

申请日：2019-04-04

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Satomi TASAKI ,  Yuki NAKANO ,  Taro YAMAKI ,  Hiroaki ITOI ,  Yuichiro KAWAMURA ,  Masatoshi SAITO

IPC: H01L51/00

Abstract: An organic electroluminescence device comprising: a cathode; an anode; and an organic layer between the cathode and the anode, wherein the organic layer comprises a compound represented by the following formula (1) and a compound represented by the following formula (11).

公开(公告)号：US20200111973A1

公开(公告)日：2020-04-09

申请号：US16557725

申请日：2019-08-30

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuki NAKANO ,  Taro YAMAKI ,  Satomi TASAKI ,  Tomoki KATO

IPC: H01L51/00 ,  C07D307/77 ,  C09K11/02

Abstract: An organic electroluminescence device including a cathode, an anode, and an emitting layer disposed between the cathode and the anode, wherein the emitting layer includes a compound represented by the following formula (1) and one or more compounds selected from the group consisting of compounds represented by formulas (11), (21), (31), (41), (51), (61), (71) and (81). In the formula (1), at least one of R1 to R8 is a deuterium atom, and Ar2 is a monovalent group represented by following formula (2), (3) or (4).

公开(公告)号：US20200111972A1

公开(公告)日：2020-04-09

申请号：US16557675

申请日：2019-08-30

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuki NAKANO ,  Taro YAMAKI ,  Satomi TASAKI ,  Tomoki KATO

IPC: H01L51/00

Abstract: An organic electroluminescence device including a cathode, an anode, and an emitting layer disposed between the cathode and the anode, wherein the emitting layer includes a compound represented by the following formula (1) and one or more compounds selected from the group consisting of compounds represented by formulas (11), (21), (31), (41), (51), (61), (71) and (81). In the formula (1), at least one of R1 to R8 is a deuterium atom.

公开(公告)号：US20200111965A1

公开(公告)日：2020-04-09

申请号：US16587468

申请日：2019-09-30

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuki NAKANO ,  Taro YAMAKI ,  Satomi TASAKI ,  Tomoki KATO ,  Keita SEDA ,  Ryota TAKAHASHI

IPC: H01L51/00 ,  C07C15/28 ,  C09K11/06

Abstract: An organic electroluminescence device including a cathode, an anode, and an emitting layer disposed between the cathode and the anode, wherein the emitting layer contains a compound represented by the following formula (1) and one or more compounds selected from the group consisting of compounds represented by formulas (11), (21), (31), (41), (51), (61), (71) and (81). In the formula (1), at least one of R1 to R8 is a deuterium atom.

公开(公告)号：US20200052212A1

公开(公告)日：2020-02-13

申请号：US16500018

申请日：2018-04-03

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Satomi TASAKI ,  Ryota TAKAHASHI ,  Yuki NAKANO ,  Yuichiro KAWAMURA

IPC: H01L51/00

Abstract: An organic electroluminescence device having a further improved lifetime, which comprising a cathode, an anode and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises a fluorescent emitting layer and the fluorescent emitting layer comprises at least one dopant material selected from the compounds represented by formulae (D1) and (D2), at least one first compound selected from the compounds represented by formulae (19), (21), (22), and (23), and at least one second compound selected from the compounds represented by formulae (2a), (2b), and (2c) and an electronic device comprising the organic electroluminescence device are described.

公开(公告)号：US20250129089A1

公开(公告)日：2025-04-24

申请号：US19000082

申请日：2024-12-23

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuki NAKANO ,  Taro YAMAKI ,  Satomi TASAKI ,  Tomoki KATO

IPC: C07D493/00 ,  H10K50/11 ,  H10K85/40 ,  H10K85/60 ,  H10K101/10

Abstract: A compound having structures represented by the following formulas (1) or (2): wherein in the formulas (1) and (2), at least one of R1 to R8 is a deuterium atom.

公开(公告)号：US20250092059A1

公开(公告)日：2025-03-20

申请号：US18946939

申请日：2024-11-14

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuki NAKANO ,  Taro YAMAKI ,  Satomi TASAKI ,  Tomoki KATO

IPC: C07D493/00 ,  H10K50/11 ,  H10K85/40 ,  H10K85/60 ,  H10K101/10

Abstract: A compound having structures represented by the following formulas (1) or (2): wherein in the formulas (1) and (2), at least one of R1 to R8 is a deuterium atom.

公开(公告)号：US20240284786A1

公开(公告)日：2024-08-22

申请号：US17914590

申请日：2021-03-31

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Satomi TASAKI ,  Kazuki NISHIMURA ,  Ryota TAKAHASHI ,  Yuki NAKANO ,  Maiko IIDA ,  Hiroaki ITOI

IPC: H10K85/60 ,  C07C15/38 ,  C07D307/91 ,  C07D311/78 ,  C09K11/06 ,  H10K50/11

CPC classification number: H10K85/623 ,  C07C15/38 ,  C07D307/91 ,  C07D311/78 ,  C09K11/06 ,  H10K85/622 ,  H10K85/626 ,  H10K85/6574 ,  C07C2603/50 ,  C07C2603/52 ,  C09K2211/1003 ,  C09K2211/1018 ,  H10K50/11

Abstract: An organic electroluminescence device includes a first emitting layer and a second emitting layer provided between an anode and a cathode, in which the first emitting layer contains, as a first host material, a first compound represented by a formula (1) below and having at least one group represented by a formula (11) below, and the second emitting layer contains a second host material.