公开(公告)号：US11489123B2

公开(公告)日：2022-11-01

申请号：US16201484

申请日：2018-11-27

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Ryota Takahashi ,  Tomoki Kato ,  Hidetsugu Ikeda

IPC: H01L51/00 ,  C09K11/06 ,  C07D487/06 ,  C07D487/16 ,  H01L51/50

Abstract: Disclosed herein are compounds capable of producing organic electroluminescence (EL) devices having excellent properties, organic EL devices comprising the compounds, and electronic devices comprising the organic EL devices. The compounds of this disclosure are represented by formula (1) below, where A, B, C, and R1 to R11 are defined herein.

公开(公告)号：USRE49118E1

公开(公告)日：2022-06-28

申请号：US16804850

申请日：2020-02-28

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuki Nakano ,  Masahide Matsuura ,  Hidetsugu Ikeda ,  Toshihiro Iwakuma

IPC: H01J1/63 ,  C07D307/91 ,  C07D333/52 ,  C07D401/10 ,  H01L51/50 ,  C09K11/06 ,  H01L51/00 ,  H05B33/14

Abstract: A material for organic electroluminescence devices comprising a compound having a specific structure and an organic electroluminescence device comprising an organic thin film layer which comprises one layer or a plurality of layers comprising at least a light emitting layer and disposed between a cathode and an anode, wherein at least one layer in the organic thin film layer comprises the material for organic electroluminescence devices, are provided. The material provides the organic electroluminescence device exhibiting a great efficiency of light emission, having no defect pixels, exhibiting excellent heat resistance and having a long life.

公开(公告)号：US10680181B2

公开(公告)日：2020-06-09

申请号：US16531835

申请日：2019-08-05

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Ryota Takahashi ,  Hidetsugu Ikeda ,  Keita Seda ,  Yuki Nakano

IPC: H01L29/08 ,  H01L51/00 ,  C07D487/22 ,  C09K11/06 ,  H01L51/50 ,  C07D491/22 ,  H01L51/52 ,  H01L51/56

Abstract: An organic electroluminescence device comprising: a cathode, an anode, and at least one organic layer disposed between the cathode and the anode, wherein at least one layer of the at least one organic layer comprises a compound represented by the following formulas (1-1) and (1-3) or a compound represented by the following formulas (1-2) and (1-3).

公开(公告)号：US10658594B2

公开(公告)日：2020-05-19

申请号：US16290702

申请日：2019-03-01

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Ryota Takahashi ,  Hidetsugu Ikeda ,  Keita Seda ,  Yuki Nakano

IPC: C07D487/22 ,  C07D491/22 ,  H01L51/00 ,  C09K11/06 ,  H01L51/50 ,  H01L51/52 ,  H01L51/56

Abstract: To provide an organic electroluminescence device having a high luminous efficiency and a novel compound that can be used as a material for an organic electroluminescence device having a high luminous efficiency.A compound represented by the following formula (1) or (2): wherein in the formulas (1) and (2), one or more pairs of adjacent two or more of R1 to R7 and R10 to R16 may form a substituted or unsubstituted, saturated or unsaturated ring; R17, and R1 to R7 and R10 to R16 that do not form the substituted or unsubstituted, saturated or unsaturated ring are independently a hydrogen atom, a substituted or unsubstituted aryl group including 6 to 20 ring carbon atoms or a substituted or unsubstituted monovalent heterocyclic group including 5 to 20 ring atoms; two R17s may be the same or different; and Ar1 to Ar4 are independently a substituted or unsubstituted aryl group including 6 to 20 ring carbon atoms.

公开(公告)号：US10217948B1

公开(公告)日：2019-02-26

申请号：US16043074

申请日：2018-07-23

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Ryota Takahashi ,  Hidetsugu Ikeda ,  Keita Seda ,  Yuki Nakano

IPC: H01L29/08 ,  H01L51/00 ,  C07D487/22 ,  C09K11/06 ,  H01L51/50

Abstract: To provide an organic electroluminescence device having a high luminous efficiency and a novel compound that can be used as a material for an organic electroluminescence device having a high luminous efficiency.A compound represented by the following formula (3-I), wherein at least one of R1 to R7 and R10 to R11 is —N(R36)(R37). R31 to R37 are independently a hydrogen atom, a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms, a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms, a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms or a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms.