公开(公告)号：US10217946B2

公开(公告)日：2019-02-26

申请号：US15126906

申请日：2015-03-13

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Heinz Wolleb ,  Yuki Nakano ,  Thomas Raimann ,  Ute Heinemeyer ,  Hideaki Nagashima ,  Yuichi Nishimae

IPC: H01L51/50 ,  H01L51/00 ,  C07D405/14 ,  C09K11/06 ,  C07D403/04 ,  C07D409/14 ,  C09K11/02

Abstract: The present invention relates to compounds of formula (I) which are characterized in that they are substituted by at least one nitrile substituted carbazolyl group and their use in electronic devices, especially electroluminescent devices. When used as electron transport material, hole blocking material and/or host material for phosphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.

公开(公告)号：US10584126B2

公开(公告)日：2020-03-10

申请号：US15535898

申请日：2015-12-15

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Yuichi Nishimae ,  Julia Kohlstedt ,  Thomas Schaefer ,  Hideaki Nagashima

IPC: H01L51/50 ,  C07D487/04 ,  H01L51/00 ,  C09K11/06

Abstract: The present invention relates to compounds of formula(I), a process for their production and their use in electronic devices, especially electroluminescent devices. When used as charge transport material and/or host material for phosphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency and reduced driving voltage of electroluminescent devices.

公开(公告)号：US11505561B2

公开(公告)日：2022-11-22

申请号：US16533839

申请日：2019-08-07

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Yuichi Nishimae ,  Natalia Chebotareva

IPC: H01L51/00 ,  C07D519/00 ,  H01L51/50

Abstract: Specifically substituted hetero- or carbon-bridged phenylquinazolines of the general formulae (Ia) and (Ib) and a process for their preparation, an electronic device comprising at least one of these compounds, an emitting layer, preferably present in an electronic device, comprising at least one compound of general formulae (Ia) and (Ib) and the use of compounds according to general formulae (Ia) and (Ib) in an electronic device as a host material, a charge transporting material, charge and/or exciton blocking material, preferably as a host material or an electron transporting material.

公开(公告)号：US10703762B2

公开(公告)日：2020-07-07

申请号：US15329167

申请日：2016-08-26

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yu Kudo ,  Yumiko Mizuki ,  Masahiro Kawamura ,  Tomoki Kato ,  Hirokatsu Ito ,  Tasuku Haketa ,  Yuichi Nishimae ,  Annemarie Wolleb

IPC: C07D491/22 ,  C07D491/147 ,  C09K11/06 ,  H01L51/50 ,  H01L51/00

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

公开(公告)号：US12289995B2

公开(公告)日：2025-04-29

申请号：US17236029

申请日：2021-04-21

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiromi Nakano ,  Hisato Matsumoto ,  Yuichi Nishimae

IPC: H01L51/00 ,  C07F5/02 ,  H10K85/60 ,  H10K50/11

Abstract: A compound is represented by a formula (1). In the formula (1), at least one combination of adjacent two or more of R1 to R17 are mutually bonded to form a ring represented by a formula (2), in which RX1 to RX4 and R1 to R17 are each independently a hydrogen atom, a substituent or the like,

公开(公告)号：US11706981B2

公开(公告)日：2023-07-18

申请号：US16738007

申请日：2020-01-09

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Yuichi Nishimae ,  Natalia Chebotareva

IPC: C09K11/06 ,  C07D209/80 ,  C07D209/82 ,  C07D401/04 ,  C07D491/06 ,  C07D491/052 ,  H05B33/20 ,  H10K85/60 ,  C09K11/02 ,  H10K50/11 ,  H10K71/00 ,  H10K71/16 ,  H10K101/10 ,  H10K102/00

CPC classification number: H10K85/6572 ,  C07D209/80 ,  C07D401/04 ,  C07D491/06 ,  C09K11/025 ,  H10K50/11 ,  H10K71/00 ,  H10K71/164 ,  H10K2101/10 ,  H10K2102/351

Abstract: Specific polycyclic compounds of the general formula (I) and a process for its preparation, an electronic device comprising at least one of these compounds, an emitting layer, preferably present in an electronic device, comprising at least one compound of general formula (I) and the use of compounds according to general formula (I) in an electronic device as a host material, a charge transporting material, charge and/or exciton blocking material, preferably as a host material or an electron transporting material.

公开(公告)号：US11691983B2

公开(公告)日：2023-07-04

申请号：US16312378

申请日：2017-06-13

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuichi Nishimae ,  Michelle Groarke ,  Heinz Wolleb ,  Annemarie Wolleb ,  Yuki Nakano ,  Hideaki Nagashima ,  Tasuku Haketa ,  Masahiro Kawamura ,  Takushi Shiomi

IPC: H01L51/00 ,  C07D495/04 ,  C07D491/048 ,  C07D519/00 ,  H01L51/50

CPC classification number: C07D495/04 ,  C07D491/048 ,  C07D519/00 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/5096 ,  H01L51/0059 ,  H01L51/0073 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5072 ,  Y02E10/549

Abstract: Specifically substituted benzofuro- and benzothienoquinolines and their use in electronic devices, especially electroluminescent devices. When used as charge transport material, charge blocker material and/or host material in electroluminescent devices, the specifically substituted benzofuro- and benzothienoquinolines may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices and reduced driving voltage of electroluminescent devices.

公开(公告)号：US10689385B2

公开(公告)日：2020-06-23

申请号：US15563072

申请日：2016-03-31

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Thomas Raimann ,  Thomas Schaefer ,  Masatoshi Saito ,  Heinz Wolleb ,  Flavio Luiz Benedito ,  Yuichi Nishimae ,  Yuki Nakano ,  Hideaki Nagashima

IPC: H01L29/08 ,  C07D487/04 ,  C09K11/06 ,  H01L51/50 ,  H01L51/00

Abstract: Novel benzimidazolo[1,2-a]benzimidazoles carrying aryl- or heteroarylnitril groups, an electronic device, comprising said novel benzimidazolo[1,2-a]benzimidazoles carrying aryl- or heteroarylnitril groups, which is preferably an electroluminescent device, a charge transport layer, a charge/exciton blocker layer, or an emitting layer comprising said novel benzimidazolo[1,2-a]benzimidazoles carrying aryl- or heteroarylnitril groups, an apparatus selected from the group consisting of stationary visual display units; mobile visual display units; illumination units; key-boards; items of clothing; furniture; wallpaper, comprising said organic electronic device, or said charge transport layer, said charge/exciton blocker layer, or said emitting layer.