公开(公告)号：US20240224791A1

公开(公告)日：2024-07-04

申请号：US18280929

申请日：2022-03-10

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Satomi TASAKI ,  Kazuki NISHIMURA ,  Ryota TAKAHASHI ,  Taro YAMAKI ,  Yu KUDO

IPC: H10K85/60 ,  C07B59/00 ,  C09K11/02 ,  C09K11/06 ,  H10K85/20 ,  H10K85/40

CPC classification number: H10K85/622 ,  C07B59/004 ,  C09K11/02 ,  C09K11/06 ,  H10K85/20 ,  H10K85/40 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K85/658 ,  C07B2200/05

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




in the formula (1): a cyclic structure A and a cyclic structure B are each independently, for instance, a cyclic structure selected from the group consisting of a substituted or unsubstituted aryl ring having 6 to 50 ring carbon atoms, and a substituted or unsubstituted heterocycle having 5 to 50 ring atoms; X1 is, for instance, an oxygen atom, a sulfur atom, NR71, and C(R72)(R73); and Y1 is, for instance, a sulfur atom, NR71A, or C(R72A)(R73A).

公开(公告)号：US20230329025A1

公开(公告)日：2023-10-12

申请号：US18120882

申请日：2023-03-13

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Yusuke TAKAHASHI ,  Shota TANAKA ,  Takuto FUKAMI ,  Tsukasa SAWATO

IPC: H10K50/11 ,  H10K50/15 ,  H10K85/60

CPC classification number: H10K50/11 ,  H10K50/156 ,  H10K85/615 ,  H10K85/633 ,  H10K85/653 ,  H10K85/654

Abstract: An organic electroluminescence device includes: an emitting zone provided between an anode and a cathode; and a hole transporting zone provided between the anode and the emitting zone. The emitting zone includes at least one emitting layer, and a first host material, a second host material, and an emitting compound are contained in a single emitting layer included in the at least one emitting layer. The first host material and the second host material are each independently a compound represented by a formula (1). The first host material and the second host material are mutually different. At least one organic layer included in the hole transporting zone contains a third compound represented by a formula (EB1).

公开(公告)号：US20230085328A1

公开(公告)日：2023-03-16

申请号：US17859480

申请日：2022-07-07

Applicant: IDEMITSU KOSAN CO.,LTD. ,  National University Corporation Tokai National Higher Education and Research System

Inventor： Masato MITANI ,  Keita SEDA ,  Taro YAMAKI ,  Shota TANAKA ,  Tsukasa SAWATO ,  Masatoshi SAITO ,  Hiroaki ITOI ,  Tasuku HAKETA ,  Kei YOSHIDA ,  Sayaka MIZUTANI ,  Kenichiro ITAMI ,  Kei MURAKAMI ,  Satoshi MATSUBARA ,  Yoshito KOGA

IPC: H01L51/00 ,  C07D251/24 ,  C09K11/06 ,  C07C13/62 ,  C07C211/54

Abstract: A compound represented by the following formula (1A) or (1B): (the symbols in the formulae (1A) and (1B) have the same meaning as defined in the specification), an organic electroluminescent device containing the compound, and an electronic device including the organic electroluminescent device.

公开(公告)号：US20230042023A1

公开(公告)日：2023-02-09

申请号：US17285733

申请日：2019-10-16

Applicant: IDEMITSU KOSAN CO.,LTD.

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

IPC: H01L51/00

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：US20230008873A1

公开(公告)日：2023-01-12

申请号：US17765353

申请日：2021-05-28

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Masato NAKAMURA ,  Yuki NAKANO ,  Hiroaki ITOI

IPC: H01L51/00

Abstract: A mixture contains a first compound represented by a formula (10) and a second compound represented by a formula (20), and the first compound and the second compound have structures different from each other. In the formula (10) and the formula (20), L12 is a substituted or unsubstituted arylene group having 6 to 50 ring carbon atoms or the like; Ar12 is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms; L11, L21, and L22 are each independently a single bond, a substituted or unsubstituted arylene group having 6 to 50 ring carbon atoms, or the like; Ar11, Ar21, and Ar22 are each independently a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms; and R11 to R18 and R21 to R28 are each independently a hydrogen atom or a substituent.

公开(公告)号：US20220393110A1

公开(公告)日：2022-12-08

申请号：US17633887

申请日：2020-12-25

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yongguk LEE ,  Ryoji MAEDA ,  Yuki NAKANO ,  Hiroaki ITOI

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic electroluminescence device including: a cathode; an anode; and at least one emitting layer disposed between the cathode and the anode, wherein the emitting layer contains a first host material, a second host material, and a dopant material, wherein the first host material is a compound represented by the following formula (1), the second host material is a compound represented by the following formula (2), and the first host material and the second host material are different compounds.

公开(公告)号：US20220376183A1

公开(公告)日：2022-11-24

申请号：US17633111

申请日：2020-12-25

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yongguk LEE ,  Ryoji MAEDA ,  Yuki NAKANO ,  Hiroaki ITOI

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

Abstract: An organic electroluminescence device, comprising a cathode, an anode, and at least one emitting layer disposed between the cathode and the anode, wherein the emitting layer contains a first host material, a second host material, and a dopant material, wherein the first host material is a compound represented by the following formula (1), the second host material is a compound represented by the following formula (2), and one or more selected from the group consisting of the compound represented by the formula (1) and the compound represented by the formula (2) have at least one deuterium atom.

公开(公告)号：US20220238805A1

公开(公告)日：2022-07-28

申请号：US17704646

申请日：2022-03-25

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Hiroaki ITOI ,  Tasuku HAKETA ,  Yusuke TAKAHASHI ,  Shota TANAKA ,  Hirokatsu ITO

IPC: H01L51/00 ,  C07C211/58 ,  C09K11/06 ,  C07D307/91 ,  C07C211/54 ,  C07C211/61 ,  C07D209/86

Abstract: A compound represented by the following formula (1) wherein the symbols are as defined in the description, and an organic electroluminescent device containing the compound.