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.

公开(公告)号：US20240023436A1

公开(公告)日：2024-01-18

申请号：US17918728

申请日：2021-03-11

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Satomi TASAKI ,  Hiroaki ITOI ,  Taro YAMAKI ,  Maiko IIDA ,  Kazuki NISHIMURA ,  Yuki NAKANO

IPC: H10K85/60 ,  C07D307/91 ,  C09K11/06 ,  C07D307/77 ,  C07C15/38

CPC classification number: H10K85/6574 ,  C07D307/91 ,  C09K11/06 ,  H10K85/615 ,  H10K50/11 ,  C07C15/38 ,  H10K85/626 ,  H10K85/622 ,  C07D307/77

Abstract: There is provided an organic electroluminescence device including: an anode; a cathode; a first emitting layer provided between the anode and the cathode and containing a first compound; and a second emitting layer provided between the first emitting layer and the cathode and containing a second compound, in which at least one of the first emitting layer or the second emitting layer contains a compound having at least one deuterium atom, at least one of the first emitting layer or the second emitting layer contains a compound having a fused ring that includes four or more rings, and the first emitting layer and the second emitting layer are in direct contact with each other.

公开(公告)号：US20240008363A1

公开(公告)日：2024-01-04

申请号：US18039188

申请日：2021-11-17

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Taro YAMAKI ,  Maiko IIDA ,  Shintaro BAN ,  Takamoto MORITA ,  Yu KUDO

IPC: H10K85/60 ,  C07D307/77 ,  C09K11/06

CPC classification number: H10K85/6574 ,  C07D307/77 ,  C09K11/06 ,  H10K85/626 ,  H10K85/615 ,  H10K50/11

Abstract: A compound represented by the following formula (1).

公开(公告)号：US20240397816A1

公开(公告)日：2024-11-28

申请号：US18568551

申请日：2022-06-09

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Keiichi YASUKAWA ,  Hisato MATSUMOTO ,  Kazuki TERADA ,  Maiko IIDA

IPC: H10K85/60 ,  C07D495/14 ,  C07D519/00 ,  C09K11/06 ,  H10K50/11 ,  H10K101/25

Abstract: A compound may have formula (1): D11 and D12 independently being a group of formula (11), (12), or (13): At least one D11 may be a group of formula (12) or (13). R may be, for instance, a hydrogen atom or an aryl group.

公开(公告)号：US20240090329A1

公开(公告)日：2024-03-14

申请号：US18032821

申请日：2021-10-01

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Yuki NAKANO ,  Taro YAMAKI ,  Maiko IIDA ,  Takamoto MORITA ,  Shintaro BAN ,  Ryota TAKAHASHI ,  Yu KUDO ,  Yoshinao SHIRASAKI

IPC: H10K85/60 ,  C07D311/78 ,  C09K11/06

CPC classification number: H10K85/6574 ,  C07D311/78 ,  H10K85/622 ,  C09K11/06 ,  H10K50/11

Abstract: A compound includes: at least one group represented by a formula (11) below; and a single benz[de]anthracene derivative skeleton represented by a formula (1000) below in a molecule, in which Ar1 is a substituted or unsubstituted aryl group including at least four rings, at least one of R10 to R19 is a group represented by the formula (11), L1 is a substituted or unsubstituted arylene group having 6 to 15 ring carbon atoms or a substituted or unsubstituted divalent heterocyclic group having 5 to 15 ring atoms, and mx is 1, 2, or 3.