公开(公告)号：US12202837B2

公开(公告)日：2025-01-21

申请号：US17282347

申请日：2019-10-09

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：US11552252B1

公开(公告)日：2023-01-10

申请号：US17341252

申请日：2021-06-07

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Satomi Tasaki ,  Taro Yamaki ,  Hiroaki Itoi ,  Yuki Nakano ,  Yuichiro Kawamura

IPC: H01L51/00 ,  H01L51/50 ,  C09K11/06

Abstract: An organic electroluminescence device including: an anode, a cathode, and at least one emitting layer between the cathode and the anode, wherein the emitting layer contains a first host material, a second host material, and a dopant material, the first host material is a compound having at least one deuterium atom, and the emitting layer contains the first host material in the proportion of 1% by mass or more.

公开(公告)号：US10804474B2

公开(公告)日：2020-10-13

申请号：US16593743

申请日：2019-10-04

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuki Nakano ,  Taro Yamaki ,  Satomi Tasaki ,  Tomoki Kato

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  H01L51/50

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：US10763444B2

公开(公告)日：2020-09-01

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: H01L51/50 ,  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：US12146087B2

公开(公告)日：2024-11-19

申请号：US16958054

申请日：2018-12-28

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Tomoki Kato ,  Keita Seda ,  Ryota Takahashi ,  Hidetsugu Ikeda ,  Yuki Nakano ,  Thomas Schaefer ,  Peter Murer ,  Carsten Rothe

IPC: C09K11/06 ,  C07F5/02 ,  H10K50/15 ,  H10K50/16 ,  H10K85/20 ,  H10K85/60

Abstract: A compound represented by the following formula (1), wherein in the formula (1), at least one of R1 to R8 is a group represented by the following formula (2).

公开(公告)号：US11950498B2

公开(公告)日：2024-04-02

申请号：US16622198

申请日：2018-06-22

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Ryota Takahashi ,  Keita Seda ,  Yuki Nakano

IPC: H01L51/00 ,  C07D307/77 ,  C07D307/91 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11

CPC classification number: H10K85/636 ,  C07D307/77 ,  C07D307/91 ,  C09K11/06 ,  C09K2211/1018 ,  H10K50/11 ,  H10K85/6574

Abstract: This compound is represented by formula (1)

公开(公告)号：US11839148B2

公开(公告)日：2023-12-05

申请号：US17240445

申请日：2021-04-26

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Satomi Tasaki ,  Kazuki Nishimura ,  Yuki Nakano ,  Hiroaki Itoi

IPC: H01L51/00 ,  H10K85/60 ,  C09K11/02 ,  H10K50/11

CPC classification number: H10K85/626 ,  C09K11/025 ,  H10K85/622 ,  H10K50/11

Abstract: An organic electroluminescence device includes an anode, a cathode, a first emitting layer, and a second emitting layer disposed between the first emitting layer and the cathode, the first emitting layer containing a first host material in a form of a first compound represented by a formula (101) below, the second emitting layer containing a second host material in a form of a second compound represented by a formula (2) below, the first emitting layer and the second emitting layer being in direct contact with each other.

公开(公告)号：US11600780B1

公开(公告)日：2023-03-07

申请号：US17341252

申请日：2021-06-07

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Satomi Tasaki ,  Taro Yamaki ,  Hiroaki Itoi ,  Yuki Nakano ,  Yuichiro Kawamura

IPC: H01L51/00 ,  H01L51/50 ,  C09K11/06

Abstract: An organic electroluminescence device including: an anode, a cathode, and at least one emitting layer between the cathode and the anode, wherein the emitting layer contains a first host material, a second host material, and a dopant material, the first host material is a compound having at least one deuterium atom, and the emitting layer contains the first host material in the proportion of 1% by mass or more.

公开(公告)号：US11489128B1

公开(公告)日：2022-11-01

申请号：US17461842

申请日：2021-08-30

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Satomi Tasaki ,  Kazuki Nishimura ,  Tasuku Haketa ,  Ryoji Maeda ,  Yuki Nakano ,  Hiroaki Toyoshima

IPC: H01L29/08 ,  H01L51/50 ,  H01L51/00

Abstract: An organic electroluminescence device includes: a first emitting layer disposed between an anode and a cathode; a second emitting layer disposed between the first emitting layer and the cathode; and an electron blocking layer disposed between the first emitting layer and the anode, in which the first emitting layer and the second emitting layer are in direct contact with each other; the first emitting layer and the electron blocking layer are in direct contact with each other; the first emitting layer includes a first compound represented by a formula (1) below; the first compound includes at least one group represented by a formula (11) below; the second emitting layer includes a second compound represented by a formula (2); the electron blocking layer includes a third compound; and the third compound satisfies a formula (M1) below.

公开(公告)号：US11342512B2

公开(公告)日：2022-05-24

申请号：US17468530

申请日：2021-09-07

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuki Nakano ,  Ryota Takahashi ,  Keita Seda ,  Tomoki Kato ,  Hidetsugu Ikeda ,  Thomas Schaefer ,  Peter Murer ,  Carsten Rothe

IPC: H01L29/08 ,  H01L51/00 ,  C07F5/02 ,  C09K11/06 ,  H01L51/50

Abstract: A compound represented by the following formula (1), wherein one or more pairs among R12 and R13, R13 and R14, R14 and R15, R16 and R17, R17 and R18, and R18 and R19 independently form a ring represented by the following formula (2A) or a ring represented by the following formula (2B), or do not form a ring represented by the following formula (2A) and do not form a ring represented by the following formula (2B); and one of R12 to R28 is bonded with L2.