公开(公告)号：US10862049B2

公开(公告)日：2020-12-08

申请号：US15928636

申请日：2018-03-22

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Masahiro Kawamura ,  Hiroyuki Iwabuchi ,  Tetsuya Masuda ,  Hitoshi Kuma

IPC: H01L51/00 ,  C09K11/06 ,  C07D403/14 ,  C07D209/86 ,  H01L51/50

Abstract: A composition contains a mixture of at least two compounds, the at least two compounds containing a first compound represented by a formula (1) and a second compound represented by a formula (2). In the formula (1), R1 to R4, A1 and A2 include five cyclic structures in total each represented by a formula (1a) below. In the formula (2), one of A3 and A4 is a substituent represented by a formula (2a), and the other thereof is represented by a formula (2b).

公开(公告)号：US12077500B2

公开(公告)日：2024-09-03

申请号：US18333574

申请日：2023-06-13

Applicant: IDEMITSU KOSAN CO., LTD

Inventor： Satomi Tasaki ,  Masahiro Kawamura ,  Toshinari Ogiwara ,  Hitoshi Kuma ,  Kei Yoshida ,  Keiji Okinaka

IPC: C07D209/80 ,  C07D209/82 ,  C07D209/94 ,  C07D491/048 ,  C07D491/147 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11

CPC classification number: C07D209/80 ,  C07D209/82 ,  C07D209/94 ,  C07D491/048 ,  C07D491/147 ,  C09K11/06 ,  H10K85/657 ,  H10K85/6572 ,  H10K50/11

Abstract: A compound is represented by a formula (1) below, in which k is an integer of 0 or more, m is an integer of 1 or more, n is an integer of 2 or more. L is a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 30 ring carbon atoms, CN is a cyano group, and D1 and D2 are each independently represented by one of a formula (2), a formula (3) and formula (3x) below, D1 and D2 being optionally mutually the same or different.

公开(公告)号：US10851055B2

公开(公告)日：2020-12-01

申请号：US16739157

申请日：2020-01-10

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Satomi Tasaki ,  Masahiro Kawamura ,  Toshinari Ogiwara ,  Hitoshi Kuma ,  Kei Yoshida ,  Keiji Okinaka

IPC: H01L51/54 ,  C09K11/06 ,  C07D209/80 ,  C07D209/82 ,  C07D209/94 ,  C07D491/048 ,  C07D491/147 ,  H01L51/00 ,  H01L51/50

Abstract: A compound is represented by a formula (1) below, in which k is an integer of 0 or more, m is an integer of 1 or more, n is an integer of 2 or more. L is a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 30 ring carbon atoms, CN is a cyano group, and D1 and D2 are each independently represented by one of a formula (2), a formula (3) and formula (3x) below, D1 and D2 being optionally mutually the same or different.

公开(公告)号：US10297761B2

公开(公告)日：2019-05-21

申请号：US14650821

申请日：2013-12-10

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Masahiro Kawamura ,  Hitoshi Kuma ,  Toshinari Ogiwara ,  Satomi Tasaki ,  Yumiko Mizuki ,  Kazuki Nishimura ,  Tomoharu Hayama

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

Abstract: An organic electroluminescence device includes: an anode; a cathode; and a single- or multi-layer organic layer interposed between the anode and the cathode. The organic layer includes at least one emitting layer containing a dopant material represented by a formula below. In the formula, X1 to X5 each independently represent CR1 or a nitrogen atom, at least one of X1 to X5 is a nitrogen atom, L1 represents a divalent aromatic hydrocarbon group or a divalent heterocyclic group, A and B each independently represents a cyclic structure, at least one of the cyclic structure A and the cyclic structure B has a substituent, and R1 represents an aryl group, alkyl group or the like.

公开(公告)号：US20190109285A1

公开(公告)日：2019-04-11

申请号：US16210086

申请日：2018-12-05

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Masahiro Kawamura ,  Yumiko Mizuki ,  Toshinari Ogiwara ,  Hitoshi Kuma

IPC: H01L51/00 ,  C07D219/06 ,  C09B69/00 ,  C09B57/00 ,  C09B21/00 ,  C09B19/00 ,  C09K11/06 ,  C07D491/048 ,  C07D413/10 ,  C07D403/10 ,  H01L51/52 ,  H01L51/50

Abstract: An organic electroluminescence device includes an anode, a cathode and an emitting layer, in which the emitting layer includes a first compound and a second compound and each of the first compound and the second compound is a compound emitting thermally activated delayed fluorescence.

公开(公告)号：US08723171B2

公开(公告)日：2014-05-13

申请号：US13875844

申请日：2013-05-02

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Kazuki Nishimura ,  Yuichiro Kawamura ,  Toshinari Ogiwara ,  Hitoshi Kuma ,  Kenichi Fukuoka ,  Chishio Hosokawa

IPC: H01L35/24

CPC classification number: H01L51/5016 ,  C09B1/00 ,  C09B57/00 ,  C09B57/10 ,  H01L27/3211 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5048 ,  H01L2251/552

Abstract: An organic electroluminescence device including opposite anode and cathode, and a hole-transporting region, an emitting layer and an electron-transporting region in sequential order from the anode between the anode and the cathode, wherein the emitting layer includes a red emitting portion, a green emitting portion, and a blue emitting portion; the blue emitting portion includes a host BH and a fluorescent dopant FBD; the triplet energy ETfbd of the fluorescent dopant FBD is larger than the triplet energy ETbh of the host BH; the green emitting portion includes a host GH and a phosphorescent dopant PGD; the electron-transporting region includes a common electron-transporting layer adjacent to the red emitting portion, the green emitting portion and the blue emitting portion; the common electron-transporting layer includes a material having a triplet energy ETel larger than ETbh; and the difference between the affinity of the host GH and the affinity of the material constituting the common electron-transporting layer is 0.4 eV or less.

Abstract translation: 一种从阳极和阴极之间的阳极依次依次包括相对的阳极和阴极以及空穴传输区，发光层和电子传输区的有机电致发光器件，其中发光层包括红色发射部分， 绿色发光部分和蓝色发光部分; 蓝色发光部分包括主体BH和荧光掺杂剂FBD; 荧光掺杂剂FBD的三重态能量ETfbd大于主体BH的三线态能量ETbh; 绿色发光部分包括主体GH和磷光掺杂剂PGD; 电子传输区域包括与红色发射部分，绿色发射部分和蓝色发射部分相邻的公共电子传输层; 共同的电子传输层包括具有大于ETbh的三线态能量ETel的材料; 并且主体GH的亲和性与构成公共电子传输层的材料的亲和性之间的差为0.4eV以下。

公开(公告)号：US11552251B2

公开(公告)日：2023-01-10

申请号：US16077966

申请日：2017-02-13

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Ryota Takahashi ,  Tomoki Kato ,  Hirokatsu Ito ,  Masahiro Kawamura ,  Masakazu Funahashi ,  Hiroyuki Saito ,  Yuichiro Kawamura ,  Yoshiaki Takahashi ,  Tetsuya Masuda ,  Hitoshi Kuma

IPC: H01L51/50 ,  H01L51/00 ,  C07C211/61 ,  C07D251/24 ,  C09K11/06 ,  C07D239/26 ,  C07D239/74 ,  C07D213/16 ,  C07D241/12 ,  C07D333/76 ,  C07D307/92 ,  C07D231/56 ,  C07D333/74 ,  C07D213/22 ,  C07D237/08 ,  C07D209/86 ,  C07D471/04 ,  C07D235/18 ,  H01L51/56

Abstract: The compound represented by formula (1): wherein A, B, R1, and R2 are as defined in the description, provides organic electroluminescence (EL) devices having a high emission efficiency when operated at low voltage and a long lifetime and electronic devices including such organic EL devices.

公开(公告)号：US11059781B2

公开(公告)日：2021-07-13

申请号：US17015410

申请日：2020-09-09

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Satomi Tasaki ,  Masahiro Kawamura ,  Toshinari Ogiwara ,  Hitoshi Kuma ,  Kei Yoshida ,  Keiji Okinaka

IPC: H01L51/54 ,  C07D209/80 ,  C07D209/82 ,  C07D209/94 ,  C07D491/048 ,  C07D491/147 ,  C09K11/06 ,  H01L51/00 ,  H01L51/50

Abstract: A compound is represented by a formula (1) below, in which k is an integer of 0 or more, m is an integer of 1 or more, n is an integer of 2 or more. L is a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 30 ring carbon atoms, CN is a cyano group, and D1 and D2 are each independently represented by one of a formula (2), a formula (3) and formula (3x) below, D1 and D2 being optionally mutually the same or different.

公开(公告)号：US20200148639A1

公开(公告)日：2020-05-14

申请号：US16739157

申请日：2020-01-10

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Satomi Tasaki ,  Masahiro Kawamura ,  Toshinari Ogiwara ,  Hitoshi Kuma ,  Kei Yoshida ,  Keiji Okinaka

IPC: C07D209/80 ,  C07D209/82 ,  C07D491/048 ,  C07D209/94 ,  C07D491/147 ,  C09K11/06 ,  H01L51/00

Abstract: A compound is represented by a formula (1) below, in which k is an integer of 0 or more, m is an integer of 1 or more, n is an integer of 2 or more. L is a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 30 ring carbon atoms, CN is a cyano group, and D1 and D2 are each independently represented by one of a formula (2), a formula (3) and formula (3x) below, D1 and D2 being optionally mutually the same or different.

公开(公告)号：US12022728B2

公开(公告)日：2024-06-25

申请号：US17733306

申请日：2022-04-29

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Ryota Takahashi ,  Tomoki Kato ,  Hirokatsu Ito ,  Masahiro Kawamura ,  Masakazu Funahashi ,  Hiroyuki Saito ,  Yuichiro Kawamura ,  Yoshiaki Takahashi ,  Tetsuya Masuda ,  Hitoshi Kuma

IPC: H01L51/50 ,  C07C211/61 ,  C07D209/86 ,  C07D213/16 ,  C07D213/22 ,  C07D231/56 ,  C07D235/18 ,  C07D237/08 ,  C07D239/26 ,  C07D239/74 ,  C07D241/12 ,  C07D251/24 ,  C07D307/92 ,  C07D333/74 ,  C07D333/76 ,  C07D471/04 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/165 ,  H10K50/18 ,  H10K71/00 ,  H10K71/16 ,  H10K101/00 ,  H10K101/10 ,  H10K102/00

CPC classification number: H10K85/624 ,  C07C211/61 ,  C07D209/86 ,  C07D213/16 ,  C07D213/22 ,  C07D231/56 ,  C07D235/18 ,  C07D237/08 ,  C07D239/26 ,  C07D239/74 ,  C07D241/12 ,  C07D251/24 ,  C07D307/92 ,  C07D333/74 ,  C07D333/76 ,  C07D471/04 ,  C09K11/06 ,  H10K85/623 ,  H10K85/633 ,  H10K85/654 ,  C07C2603/18 ,  C07C2603/52 ,  C07C2603/94 ,  C07C2603/97 ,  C09K2211/1018 ,  H10K50/11 ,  H10K50/15 ,  H10K50/156 ,  H10K50/165 ,  H10K50/166 ,  H10K50/18 ,  H10K71/00 ,  H10K71/164 ,  H10K2101/10 ,  H10K2101/27 ,  H10K2102/351

Abstract: The compound represented by formula (1):




wherein A, B, R1, and R2 are as defined in the description,

provides organic electroluminescence (EL) devices having a high emission efficiency when operated at low voltage and a long lifetime and electronic devices including such organic EL devices.