公开(公告)号：US12146087B2

公开(公告)日：2024-11-19

申请号：US16958054

申请日：2018-12-28

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Tomoki Kato ,  Keita Seda ,  Ryota Takahashi ,  Hidetsugu Ikeda ,  Yuki Nakano ,  Thomas Schaefer ,  Peter Murer ,  Carsten Rothe

IPC: C09K11/06 ,  C07F5/02 ,  H10K50/15 ,  H10K50/16 ,  H10K85/20 ,  H10K85/60

Abstract: A compound represented by the following formula (1), wherein in the formula (1), at least one of R1 to R8 is a group represented by the following formula (2).

公开(公告)号：US11342512B2

公开(公告)日：2022-05-24

申请号：US17468530

申请日：2021-09-07

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuki Nakano ,  Ryota Takahashi ,  Keita Seda ,  Tomoki Kato ,  Hidetsugu Ikeda ,  Thomas Schaefer ,  Peter Murer ,  Carsten Rothe

IPC: H01L29/08 ,  H01L51/00 ,  C07F5/02 ,  C09K11/06 ,  H01L51/50

Abstract: A compound represented by the following formula (1), wherein one or more pairs among R12 and R13, R13 and R14, R14 and R15, R16 and R17, R17 and R18, and R18 and R19 independently form a ring represented by the following formula (2A) or a ring represented by the following formula (2B), or do not form a ring represented by the following formula (2A) and do not form a ring represented by the following formula (2B); and one of R12 to R28 is bonded with L2.

公开(公告)号：US11174258B2

公开(公告)日：2021-11-16

申请号：US15780688

申请日：2016-12-02

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Thomas Schaefer ,  Jean-Charles Flores ,  Hideaki Nagashima

IPC: C07D487/04 ,  C07D487/14 ,  C07D403/14 ,  C07D487/22 ,  C07D235/26 ,  C07D405/14 ,  C07D403/10 ,  C09K11/06 ,  H05B33/14

Abstract: Compounds of formula (I) and their use in electronic devices, especially electroluminescent devices: (I) wherein at least two of the substituents R1 and R2, R2 and R3, R3 and R4, R5 and R6, R6 and R7, or R7 and R8 form together one of the following ring systems (IIa), (IIb) (IIc). When used as charge transport material, charge blocker material and/or host material in electroluminescent devices, the compounds of formula (I) may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices and reduced driving voltage 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：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.