公开(公告)号：US11895917B2

公开(公告)日：2024-02-06

申请号：US17345838

申请日：2021-06-11

Applicant: IDEMITSU KOSAN CO., LTD.

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

IPC: H01L51/00 ,  C07D487/04 ,  C07D519/00 ,  C09K11/06 ,  H05B33/14 ,  C07D493/04 ,  C07D495/04 ,  C09K11/02 ,  C07D307/91 ,  H10K85/60 ,  H10K85/30 ,  H10K30/80 ,  H10K50/11 ,  H10K50/12 ,  H10K50/13 ,  H10K50/14 ,  H10K50/15 ,  H10K50/16 ,  H10K50/81 ,  H10K50/82 ,  H10K50/17 ,  H10K101/10

CPC classification number: H10K85/6574 ,  C07D307/91 ,  C07D487/04 ,  C07D493/04 ,  C07D495/04 ,  C07D519/00 ,  C09K11/025 ,  C09K11/06 ,  H05B33/14 ,  H10K85/324 ,  H10K85/342 ,  H10K85/623 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6576 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1088 ,  C09K2211/185 ,  H10K30/865 ,  H10K50/11 ,  H10K50/12 ,  H10K50/13 ,  H10K50/14 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K50/81 ,  H10K50/82 ,  H10K2101/10

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 π-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：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：US11723266B2

公开(公告)日：2023-08-08

申请号：US17017186

申请日：2020-09-10

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Ryoji Maeda ,  Satomi Tasaki ,  Kazuki Nishimura ,  Yongguk Lee

IPC: C09K11/06 ,  H10K85/60 ,  C09K11/02 ,  H10K50/11 ,  H10K101/00

CPC classification number: H10K85/626 ,  C09K11/025 ,  C09K11/06 ,  H10K85/6574 ,  H10K50/11 ,  H10K2101/90

Abstract: An organic electroluminescence device includes: an anode; a cathode; a first emitting layer, and a second emitting layer, in which the first emitting layer includes a first host material in a form of a first compound represented by a formula (1), the second emitting layer includes a second host material in a form of a second compound represented by a formula (2) and having at least one group represented by a formula (21), and the first emitting layer is in direct contact with the second emitting layer.

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：US10147889B2

公开(公告)日：2018-12-04

申请号：US15165142

申请日：2016-05-26

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tetsuya Inoue ,  Mitsunori Ito ,  Kumiko Gorai ,  Kazuki Nishimura ,  Kiyoshi Ikeda

IPC: H01L51/50 ,  H01L51/00 ,  C07D403/04 ,  C07D403/14 ,  C09K11/06 ,  H05B33/14 ,  C07D471/04 ,  C07D209/60 ,  C07D209/86 ,  C09K11/02 ,  H01L51/52

Abstract: A biscarbazole derivative having a specific group, which is represented by formula (1): and an organic electroluminescence device in which a plurality of organic thin-film layers including a light emitting layer are disposed between a cathode and an anode, and at least one of the organic thin-film layers include the biscarbazole derivative. The organic electroluminescence device exhibits high emission efficiency and has a long lifetime. In formula (1), each of A1 and A2 independently represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms; each of Y1 to Y16 independently represents C(R) or a nitrogen atom; each of R groups independently represents a hydrogen atom, etc.; and each of L1 and L2 independently represents a single bond, etc.; provided that at least one of A1, A2 and R represents a substituted or unsubstituted fluoranthenyl group, etc.

公开(公告)号：US10128456B2

公开(公告)日：2018-11-13

申请号：US14353774

申请日：2012-10-26

Applicant: IDEMITSU KOSAN CO., LTD.

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

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

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：US09997719B2

公开(公告)日：2018-06-12

申请号：US14039539

申请日：2013-09-27

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yumiko Mizuki ,  Nobuhiro Yabunouchi ,  Takushi Shiomi ,  Kazuki Nishimura ,  Mitsuru Eida

IPC: H01L51/50 ,  H01L51/00 ,  C07D403/14 ,  C09K11/06 ,  H05B33/14 ,  C09K11/02

CPC classification number: H01L51/0072 ,  C07D403/14 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  C09K2211/185 ,  H01L51/0067 ,  H01L51/0085 ,  H01L51/5016 ,  H05B33/14

Abstract: A material for organic electroluminescence device including a specific compound having a specific group in the central skeleton and an organic electroluminescence device including an organic thin film layer between an anode and a cathode. The organic thin film layer includes a light emitting layer and at least one layer of the organic thin film layer includes the material for organic electroluminescence device. The organic electroluminescence device has a long lifetime and the material for organic electroluminescence device realizes such a device.

公开(公告)号：US09991445B2

公开(公告)日：2018-06-05

申请号：US14289840

申请日：2014-05-29

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Tasuku Haketa ,  Masahiro Kawamura ,  Kazuki Nishimura ,  Yumiko Mizuki ,  Hirokatsu Ito ,  Tomoharu Hayama

IPC: H01L51/54 ,  C09K11/06 ,  H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0054 ,  H01L51/0052 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072

Abstract: A heterocyclic compound wherein three five-membered rings are fused to one benzene ring and a saturated or unsaturated ring is fused to each five-membered ring. An organic electroluminescence device includes one or more organic thin film layers between an anode and a cathode. The one or more organic thin film layers include a light emitting layer. At least one layer of the one or more organic thin film layers includes the heterocyclic compound.

公开(公告)号：US09954178B2

公开(公告)日：2018-04-24

申请号：US14649436

申请日：2013-12-05

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Kazuki Nishimura ,  Mitsunori Ito ,  Tetsuya Inoue

IPC: H01L51/00 ,  C07D403/10 ,  C07D403/04 ,  C09K11/06 ,  H05B33/14 ,  H01L51/50

CPC classification number: H01L51/0061 ,  C07D403/04 ,  C07D403/10 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/5012 ,  H01L51/5016 ,  H01L2251/308 ,  H05B33/14

Abstract: An aromatic amine derivative represented by the following formula (1). In the formula, Ar1 and Ar2 are independently a substituted or unsubstituted aryl group including 6 to 60 ring carbon atoms; L1 is a substituted or unsubstituted arylene group including 6 to 60 ring carbon atoms; L2 is a single bond or a substituted or unsubstituted arylene group including 6 to 60 ring carbon atoms; R1 and R2 are independently a substituted or unsubstituted aryl group including 6 to 60 ring carbon atoms or the like; n is an integer of 0 to 3; m is an integer of 0 to 4; X1 to X5 are independently a nitrogen atom or CR3; provided that at least one of X1 to X5 are a nitrogen atom; R3 is a hydrogen atom, a substituted or unsubstituted aryl group including 6 to 60 ring carbon atom or the like.

公开(公告)号：US09887367B2

公开(公告)日：2018-02-06

申请号：US14767395

申请日：2014-03-28

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tasuku Haketa ,  Masahiro Kawamura ,  Kazuki Nishimura ,  Yumiko Mizuki

IPC: H01L51/00 ,  C07D491/147 ,  C07D495/14 ,  H05B33/20 ,  H01L51/50

CPC classification number: H01L51/0071 ,  C07D491/147 ,  C07D495/14 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/5016 ,  H05B33/20

Abstract: A heterocyclic compound in which three 5-membered rings are fused to a benzene ring and a saturated or unsaturated ring is further fused to each of the 5-membered rings is a novel material, which is useful as a material for organic electroluminescence devices for the production of organic electroluminescence devices and electronic equipment.