公开(公告)号：US11069861B2

公开(公告)日：2021-07-20

申请号：US17077493

申请日：2020-10-22

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Ryoji Maeda ,  Tasuku Haketa ,  Kazuki Nishimura ,  Masato Nakamura

IPC: H01L51/00 ,  C07C13/08 ,  C07D221/18 ,  C07D241/36

Abstract: A mixture contains a first compound and a second compound, in which the first compound has at least one of a first cyclic structure represented by a formula (11) below and a second cyclic structure represented by a formula (12) below, and the second compound is a compound represented by a formula (21) or a compound represented by a formula (22) below, and a total mass MT of the first and second compounds and a mass M2 of the second compound in the mixture satisfy a relationship of a numerical formula (Numerical Formula 1) below,

公开(公告)号：US10707434B2

公开(公告)日：2020-07-07

申请号：US16134633

申请日：2018-09-18

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Kazuki Nishimura ,  Toshinari Ogiwara ,  Kumiko Hibino ,  Tetsuya Inoue ,  Mitsunori Ito

IPC: H01L51/00 ,  H01L51/54 ,  C09K11/06 ,  H01L51/50 ,  H05B33/10 ,  C07D405/14 ,  C07D403/10 ,  C07D403/14 ,  C07D409/14 ,  C07D401/14 ,  C07D401/10 ,  C07D471/04 ,  C07D487/04 ,  C07D491/048 ,  C07F7/08

Abstract: The organic electroluminescence device includes an anode, a cathode, and at least an emitting layer between the anode and the cathode. The emitting layer includes a first host material, a second host material, and a phosphorescent dopant material. The first host material is a compound represented by a formula (1) below and the second host material is a compound represented by a formula (2) below.

公开(公告)号：US10026907B2

公开(公告)日：2018-07-17

申请号：US15785749

申请日：2017-10-17

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tomoki Kato ,  Masaki Numata ,  Kazuki Nishimura ,  Toshihiro Iwakuma ,  Chishio Hosokawa

IPC: H01L51/00 ,  C07D495/04 ,  C07D307/91 ,  C07D493/04 ,  C07D487/04 ,  C09K11/06 ,  C09K11/02 ,  H01L51/50

Abstract: Provided are an organic electroluminescence device, which shows high luminous efficiency, is free of any pixel defect, and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound having a n-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, or sulfur atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device.

公开(公告)号：US09711732B2

公开(公告)日：2017-07-18

申请号：US14389079

申请日：2013-03-29

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Kazuki Nishimura ,  Toshinari Ogiwara ,  Kumiko Hibino ,  Tetsuya Inoue ,  Mitsunori Ito

IPC: H01L51/50 ,  H01L51/00 ,  C07D403/14 ,  C09K11/06 ,  H05B33/10

CPC classification number: H01L51/0067 ,  C07D403/14 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5016 ,  H01L2251/5384 ,  H05B33/10

Abstract: An organic electroluminescence device includes: a cathode; an anode; and an organic thin-film layer having one or more layers and provided between the anode and the cathode, in which the organic layer includes an emitting layer. The emitting layer includes a first host material, a second host material and a phosphorescent dopant material. The first host material is a compound represented by a formula (1A). The second host material is a compound represented by a formula (2A).

公开(公告)号：US20160240795A1

公开(公告)日：2016-08-18

申请号：US15139508

申请日：2016-04-27

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tetsuya Inoue ,  Mitsunori Ito ,  Tomoki Kato ,  Kumiko Gorai ,  Kazuki Nishimura ,  Takayasu Sado

IPC: H01L51/00 ,  C09K11/02 ,  C07D405/14

CPC classification number: H01L51/0072 ,  B82Y10/00 ,  C07D403/14 ,  C07D405/14 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/0036 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0073 ,  H01L51/0541 ,  H01L51/0545 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5056 ,  H05B33/14

Abstract: Provided are an organic electroluminescence device having high current efficiency and a long lifetime, and a biscarbazole derivative for realizing the device. The biscarbazole derivative has a specific substituent. The organic EL device has a plurality of organic thin-film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin-film layers contains the biscarbazole derivative.

Abstract translation: 提供了具有高电流效率和长寿命的有机电致发光器件和用于实现器件的双咔唑衍生物。 双咔唑衍生物具有特定的取代基。 有机EL器件具有多个有机薄膜层，其包括在阴极和阳极之间的发光层，并且至少一层有机薄膜层含有双咔唑衍生物。

公开(公告)号：US20160163998A1

公开(公告)日：2016-06-09

申请号：US14163397

申请日：2014-01-24

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Masatoshi SAITO ,  Yumiko Mizuki ,  Kazuki Nishimura

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  C07D487/06

CPC classification number: H01L51/0072 ,  C07D487/06 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/185 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5016

Abstract: A nitrogen-containing heterocyclic compound wherein a pyrrole ring, an aromatic ring and a 7-membered ring are fused one another, a material for organic electroluminescence device including the compound, and an organic electroluminescence device including the material.

Abstract translation: 其中吡咯环，芳香环和7-元环彼此熔合的含氮杂环化合物，包含该化合物的有机电致发光器件的材料和包括该材料的有机电致发光器件。

公开(公告)号：US20150060801A1

公开(公告)日：2015-03-05

申请号：US14389079

申请日：2013-03-29

Applicant: IDEMITSU KOSAN CO., LTD

Inventor： Kazuki Nishimura ,  Toshinari Ogiwara ,  Kumiko Hibino ,  Tetsuya Inoue ,  Mitsunori Ito

IPC: H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0067 ,  C07D403/14 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5016 ,  H01L2251/5384 ,  H05B33/10

Abstract: An organic electroluminescence device includes: a cathode; an anode; and an organic thin-film layer having one or more layers and provided between the anode and the cathode, in which the organic layer includes an emitting layer. The emitting layer includes a first host material, a second host material and a phosphorescent dopant material. The first host material is a compound represented by a formula (1A). The second host material is a compound represented by a formula (2A).

Abstract translation: 有机电致发光器件包括：阴极; 阳极; 以及具有一层或多层并设置在阳极和阴极之间的有机薄膜层，其中有机层包括发光层。 发光层包括第一主体材料，第二主体材料和磷光掺杂剂材料。 第一主体材料是由式（1A）表示的化合物。 第二主体材料是由式（2A）表示的化合物。