公开(公告)号：US20210384430A1

公开(公告)日：2021-12-09

申请号：US17282642

申请日：2019-10-03

Applicant: IDEMITSU KOSAN CO.,LTD.

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

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 contains a compound represented by the following formula (1) and one or more compounds selected from the group consisting of a compound represented by formula (11), a compound represented by formula (21), a compound represented by formula (31), a compound represented by formula (41), a compound represented by formula (51), a compound represented by formula (61), a compound represented by formula (71) and a compound represented by formula (81). In the formula (1), at least one of R1 to R8 is a deuterium atom.

公开(公告)号：US20210320251A1

公开(公告)日：2021-10-14

申请号：US17265303

申请日：2019-08-02

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yuki NAKANO ,  Taro YAMAKI ,  Satomi TASAKI ,  Tetsuya MASUDA

IPC: H01L51/00 ,  C07D307/91 ,  C09K11/06

Abstract: An organic electroluminescence device, comprising: a cathode; an anode; and an emitting layer disposed between the cathode and the anode, wherein the emitting layer comprises: a compound represented by the following formula (1) and a compound represented by the following formula (11) (at least one of Ar101 and Ar102 is a monovalent group represented by the formula (12)).

公开(公告)号：US20210273173A1

公开(公告)日：2021-09-02

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 ,  C09K11/02

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：US20210005825A1

公开(公告)日：2021-01-07

申请号：US16499939

申请日：2018-04-03

Applicant: IDEMITSU KOSAN CO., LTD.

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

IPC: H01L51/00 ,  C07D487/06 ,  C09K11/06 ,  C07D487/22

Abstract: An organic electroluminescence device 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 first compound selected from the compounds represented by formulae (19), (21), (22), and (23), a second compound selected from the compounds represented by formula (3a), and a dopant material selected from the compounds represented by formulae (D1) and (D2) is excellent in its performance.

公开(公告)号：US20200111974A1

公开(公告)日：2020-04-09

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

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：US20160211462A1

公开(公告)日：2016-07-21

申请号：US14908060

申请日：2015-06-19

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Toshinari OGIWARA ,  Kei YOSHIDA ,  Satomi TASAKI

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

CPC classification number: H01L51/0071 ,  C09K11/02 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1048 ,  C09K2211/1059 ,  C09K2211/1088 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072

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

Abstract translation: 有机电致发光器件包括阳极，发光层和阴极，其中发光层包括第一化合物和第二化合物。 第一化合物是由下式（1）表示的化合物，第二化合物是荧光化合物。

公开(公告)号：US20160197286A1

公开(公告)日：2016-07-07

申请号：US14650821

申请日：2013-12-10

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Masahiro KAWAMURA ,  Hitoshi KUMA ,  Toshinari OGIWARA ,  Satomi TASAKI ,  Yumiko MIZUKI ,  Kazuki NISHIMURA ,  Tomoharu HAYAMA

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

CPC classification number: H01L51/0067 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/005 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/5012 ,  H05B33/14

Abstract: An organic electroluminescence device includes: an anode; a cathode; and a single- or multi-layer organic layer interposed between the anode and the cathode. The organic layer includes at least one emitting layer containing a dopant material represented by a formula below. In the formula, X1 to X5 each independently represent CR1 or a nitrogen atom, at least one of X1 to X5 is a nitrogen atom, L1 represents a divalent aromatic hydrocarbon group or a divalent heterocyclic group, A and B each independently represents a cyclic structure, at least one of the cyclic structure A and the cyclic structure B has a substituent, and R1 represents an aryl group, alkyl group or the like.

Abstract translation: 有机电致发光器件包括：阳极; 阴极 以及介于阳极和阴极之间的单层或多层有机层。 有机层包括至少一个包含由下式表示的掺杂剂材料的发射层。 式中，X 1〜X 5各自独立地表示CR 1或氮原子，X 1〜X 5中的至少一个为氮原子，L 1表示二价芳香族烃基或二价杂环基，A和B各自独立地表示环状结构 环状结构A和环状结构B中的至少一个具有取代基，R 1表示芳基，烷基等。

公开(公告)号：US20250160208A1

公开(公告)日：2025-05-15

申请号：US19021139

申请日：2025-01-14

Applicant: IDEMITSU KOSAN CO., LTD

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

IPC: H10K85/60 ,  C07D307/77 ,  C09K11/06 ,  H10K50/11 ,  H10K101/10

Abstract: An organic electroluminescence device comprising: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises an emitting layer and a first layer, the first layer is disposed between the cathode and the emitting layer, the emitting layer comprises a compound represented by the following formula (1), and the first layer comprises a compound represented by the following formula (BE1):

公开(公告)号：US20250072273A1

公开(公告)日：2025-02-27

申请号：US18722535

申请日：2022-12-19

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Satomi TASAKI ,  Hiroaki TOYOSHIMA ,  Tetsuya MASUDA ,  Masato NAKAMURA ,  Hiroaki ITOI

IPC: H10K85/20 ,  C09K11/02 ,  C09K11/06 ,  H10K85/40 ,  H10K85/60 ,  H10K101/00 ,  H10K101/10 ,  H10K101/30

Abstract: An organic EL device includes an emitting region and a first anode side organic layer. The first anode side organic layer contains a first material. The emitting region includes a first emitting layer containing first and second host materials and a second emitting layer containing a third host material. Energy levels of highest occupied molecular orbitals of the first material, the first host material, and the second host material HOMO(HT1), HOMO(H1), and HOMO(H2) satisfy a relationship of a numerical formula (Numerical Formula A1) below, and triplet energies of the first host material, the second host material, and the third host material T1(H1), T1(H2), and T1(H3) satisfy relationships of numerical formulae (Numerical Formula A2 and Numerical Formula A3) below, HOMO ⁡ ( HT ⁢ 1 ) > HOMO ⁡ ( H ⁢ 2 ) > HOMO ⁡ ( H ⁢ 1 ) ( Numerical ⁢ Formula ⁢ A1 ) T 1 ( H ⁢ 1 ) > T 1 ( H ⁢ 3 ) ( Numerical ⁢ Formula ⁢ A2 ) T 1 ( H ⁢ 2 ) > T 1 ( H ⁢ 3 ) . ( Numerical ⁢ Formula ⁢ A3 )

公开(公告)号：US20250040436A1

公开(公告)日：2025-01-30

申请号：US18892221

申请日：2024-09-20

Applicant: Idemitsu Kosan Co., Ltd.

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

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/12 ,  H10K101/10

Abstract: An organic electroluminescence device including: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises an emitting layer and a first layer, the first layer is disposed between the cathode and the emitting layer, the emitting layer comprises one or both of a compound represented by the following formula (1A) and a compound represented by the following formula (1B), and the first layer comprises a compound represented by the following formula (BE1):