公开(公告)号：US11665962B2

公开(公告)日：2023-05-30

申请号：US16636191

申请日：2018-08-09

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuki Nakano ,  Hirokatsu Ito ,  Tetsuya Masuda

IPC: H01L51/50 ,  H01L51/00 ,  C07D307/91 ,  C07D209/86 ,  C09K11/06 ,  C09K11/02

CPC classification number: H01L51/0073 ,  C07D209/86 ,  C07D307/91 ,  C09K11/025 ,  C09K11/06 ,  H01L51/006 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/5056 ,  C09K2211/1029 ,  C09K2211/1088 ,  H01L51/506 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5064 ,  H01L51/5088 ,  H01L2251/5376

Abstract: This organic electroluminescence element includes an anode, a cathode, and an organic layer disposed between the anode and the cathode. The organic layer includes a light-emitting layer and at least one layer disposed between the light-emitting layer and the anode. The light-emitting layer includes a compound represented by formula (1), and the at least one layer disposed between the light-emitting layer and the anode includes a compound represented by formula (2).

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：US11094886B2

公开(公告)日：2021-08-17

申请号：US17006303

申请日：2020-08-28

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Satomi Tasaki ,  Kazuki Nishimura ,  Yuki Nakano ,  Hiroaki Itoi

IPC: H01L51/00 ,  C09K11/02 ,  H01L51/50

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：US10811612B2

公开(公告)日：2020-10-20

申请号：US16587468

申请日：2019-09-30

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuki Nakano ,  Taro Yamaki ,  Satomi Tasaki ,  Tomoki Kato ,  Keita Seda ,  Ryota Takahashi

IPC: H01L51/50 ,  H01L51/00 ,  C07C15/28 ,  C09K11/06

Abstract: An organic electroluminescence device including a cathode, an anode, and an emitting layer disposed between the cathode and the anode, wherein the emitting layer contains a compound represented by the following formula (1) and one or more compounds selected from the group consisting of compounds represented by formulas (11), (21), (31), (41), (51), (61), (71) and (81). In the formula (1), at least one of R1 to R8 is a deuterium atom.

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.

公开(公告)号：US12284916B2

公开(公告)日：2025-04-22

申请号：US17602273

申请日：2020-04-08

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Hiroaki Itoi ,  Yuki Nakano ,  Satomi Tasaki ,  Taro Yamaki ,  Tetsuya Masuda

IPC: H01L51/00 ,  C07D307/77 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11 ,  H10K101/10

Abstract: An organic electroluminescence device comprising: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises an emitting layer and a first layer, the first layer is disposed between the cathode and the emitting layer, the emitting layer comprises a compound represented by the following formula (1), and the first layer comprises a compound represented by the following formula (BE1):

公开(公告)号：US12133462B2

公开(公告)日：2024-10-29

申请号：US17602268

申请日：2020-04-08

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Hiroaki Itoi ,  Yuki Nakano ,  Satomi Tasaki ,  Taro Yamaki ,  Tetsuya Masuda

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/12 ,  H10K101/10

CPC classification number: H10K85/6574 ,  H10K85/622 ,  H10K85/623 ,  H10K85/624 ,  H10K85/626 ,  H10K85/6572 ,  H10K85/6576 ,  H10K50/11 ,  H10K50/12 ,  H10K2101/10

Abstract: An organic electroluminescence device including: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises an emitting layer and a first layer, the first layer is disposed between the cathode and the emitting layer, the emitting layer comprises one or both of a compound represented by the following formula (1A) and a compound represented by the following formula (1B), and the first layer comprises a compound represented by the following formula (BE1):

公开(公告)号：US12108666B2

公开(公告)日：2024-10-01

申请号：US17278419

申请日：2019-09-26

Applicant: IDEMITSU KOSAN CO.,LTD.

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

IPC: H10K85/60 ,  C07D403/14 ,  C07D491/22 ,  C07D519/00 ,  C09K11/06 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17

CPC classification number: H10K85/657 ,  C07D403/14 ,  C07D491/22 ,  C07D519/00 ,  C09K11/06 ,  H10K85/626 ,  H10K85/631 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  C09K2211/1018 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171

Abstract: A compound having a structure represented by the following formulas (a) and (b):



wherein, in the formulas (a) and (b), a ring A, a ring B, a ring C and a ring D are independently a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 50 ring carbon atoms, or a substituted or unsubstituted heterocyclic ring having 5 to 50 ring atoms; two or more of the ring A, the ring B, the ring C and the ring D are a heterocyclic ring; and each of sites *a, *b, *c and *d in the formula (a) and the formula (b) represents a position of an atom, and the atoms located in the sites *a, *b,*c and *d form one substituted or unsubstituted and saturated or unsaturated six-membered ring including four atoms thereof.