公开(公告)号：US20140312331A1

公开(公告)日：2014-10-23

申请号：US14318738

申请日：2014-06-30

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tetsuya Inoue ,  Mitsunori Ito ,  Tomoki Kato ,  Kumiko Hibino ,  Kazuki Nishimura ,  Takayasu Sado

IPC: C07D405/14 ,  C09K11/06 ,  H01L51/50

CPC classification number: H01L51/0072 ,  B82Y10/00 ,  C07D403/14 ,  C07D405/14 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/0036 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0073 ,  H01L51/0541 ,  H01L51/0545 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5056 ,  H05B33/14

Abstract: Provided are an organic electroluminescence device having high current efficiency and a long lifetime, and a biscarbazole derivative for realizing the device. The biscarbazole derivative has a specific substituent. The organic EL device has a plurality of organic thin-film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin-film layers contains the biscarbazole derivative.

Abstract translation: 提供了具有高电流效率和长寿命的有机电致发光器件和用于实现器件的双咔唑衍生物。 双咔唑衍生物具有特定的取代基。 有机EL器件具有多个有机薄膜层，其包括在阴极和阳极之间的发光层，并且至少一层有机薄膜层含有双咔唑衍生物。

公开(公告)号：US12200961B2

公开(公告)日：2025-01-14

申请号：US17059352

申请日：2019-05-28

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Kazuki Nishimura ,  Toshinari Ogiwara ,  Keiji Okinaka ,  Keiichi Yasukawa

IPC: H10K50/852 ,  H10K50/11 ,  H10K50/18 ,  H10K50/818 ,  H10K50/828 ,  H10K59/35 ,  H10K71/00 ,  H10K85/60 ,  H10K101/30 ,  H10K102/00

Abstract: An organic electroluminescence device including: at least a first pixel and a blue pixel apposed on a substrate, in which the first pixel and the blue pixel each have an anode and a cathode, and the first pixel and the blue pixel have a first emitting layer and a blue emitting layer, respectively; a hole transporting zone provided between the first emitting layer and the anode and between the blue emitting layer and the anode; and an electron transporting zone provided between the first emitting layer and the cathode and between the blue emitting layer and the cathode, in which the first emitting layer includes a delayed fluorescent second compound and a fluorescent first compound capable of emitting light ranging from 500 nm to 660 nm, and the electron transporting zone includes: a first common layer; and an additional layer provided between the first emitting layer and the cathode.

公开(公告)号：US12063854B2

公开(公告)日：2024-08-13

申请号：US17311040

申请日：2019-06-14

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuki Nakano ,  Satomi Tasaki ,  Kazuki Nishimura ,  Tomoki Kato

IPC: H01L51/00 ,  H10K85/60 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/6572 ,  H10K85/622 ,  H10K85/624 ,  H10K85/626 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/11 ,  H10K2101/10

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 includes an emitting layer and a first layer; the first layer is disposed between the cathode and the emitting layer; the emitting layer contains a compound represented by the following formula (A1); and the first layer contains a compound represented by the following formula (B1).

公开(公告)号：US11552259B1

公开(公告)日：2023-01-10

申请号：US17463266

申请日：2021-08-31

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Satomi Tasaki ,  Kazuki Nishimura ,  Hiroaki Toyoshima

IPC: H01L51/00 ,  H01L51/50 ,  H01L27/32

Abstract: An organic electroluminescence device includes two or more emitting units disposed between an anode and a cathode, and an intermediate layer, in which the intermediate layer contains a phenanthroline compound, the laminated emitting unit includes a first emitting layer containing a first host material and a second emitting layer containing a second host material, and a triplet energy T1(H1) of the first host material and a triplet energy T1(H2) of the second host material satisfy a relationship of a numerical formula (Numerical Formula 3), T1(H1)>T1(H2)  (Numerical Formula 3).

公开(公告)号：US11271171B2

公开(公告)日：2022-03-08

申请号：US14707514

申请日：2015-05-08

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tetsuya Inoue ,  Mitsunori Ito ,  Kumiko Gorai ,  Kazuki Nishimura ,  Kiyoshi Ikeda

IPC: H01L51/54 ,  H01L51/00 ,  C07D403/04 ,  C07D403/14 ,  C09K11/06 ,  H05B33/14 ,  C07D471/04 ,  C07D209/60 ,  C07D209/86 ,  C09K11/02 ,  H01L51/52 ,  H01L51/50

Abstract: A biscarbazole derivative having a specific group, which is represented by formula (1); and an organic electroluminescence device in which a plurality of organic thin-film layers including a light emitting layer are disposed between a cathode and an anode, and at least one of the organic thin-film layers include the biscarbazole derivative. The organic electroluminescence device exhibits high emission efficiency and has a long lifetime. In formula (1), each of A1 and A2 independently represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms; each of Y1 to Y16 independently represents C(R) or a nitrogen atom; each of R groups independently represents a hydrogen atom, etc.; and each of L1 and L2 independently represents a single bond, etc.; provided that at least one of A1, A2 and R represents a substituted or unsubstituted fluoranthenyl group, etc.

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：US11069862B2

公开(公告)日：2021-07-20

申请号：US15785896

申请日：2017-10-17

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tomoki Kato ,  Masaki Numata ,  Kazuki Nishimura ,  Toshihiro Iwakuma ,  Chishio Hosokawa

IPC: H01J1/63 ,  C07D487/04 ,  H01L51/00 ,  C07D519/00 ,  C09K11/06 ,  H05B33/14 ,  C07D493/04 ,  C07D495/04 ,  C09K11/02 ,  C07D307/91 ,  H01L51/50 ,  H01L51/52

Abstract: Provided are an organic electroluminescence device, which shows high luminous efficiency, is free of any pixel defect, and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound having a n-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, or sulfur atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device.

公开(公告)号：US10854838B2

公开(公告)日：2020-12-01

申请号：US16060051

申请日：2016-12-08

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuichiro Kawamura ,  Kazuki Nishimura

IPC: H01L29/08 ,  H01L51/52 ,  H05B33/12 ,  H01L51/50 ,  H01L27/32

Abstract: An organic EL apparatus includes a plurality of pixels including a first pixel and a second pixel, in which the first pixel has a first emitting layer containing a fluorescent first compound, the second pixel has a second emitting layer containing a delayed fluorescent second compound, and the first pixel and the second pixel share a common layer extending across the first pixel and the second pixel.

公开(公告)号：US10135000B2

公开(公告)日：2018-11-20

申请号：US15128806

申请日：2015-03-25

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Kazuki Nishimura ,  Hiroyuki Saito

IPC: H01L51/00 ,  C09K11/06 ,  C09K11/02 ,  C07C13/66 ,  H01L51/50 ,  H05B33/14

Abstract: An organic electroluminescence device includes an anode, a cathode, and an emitting layer, in which the emitting layer contains a first compound, a second compound, and a third compound, a singlet energy S(M1) of the first compound and a singlet energy S(M2) of the second compound satisfy a numerical formula (Numerical Formula 1) below, an electron affinity Af(M1) of the first compound and an electron affinity Af(M2) of the second compound satisfy a numerical formula (Numerical Formula 2) below, and a triplet energy T(M1) of the first compound satisfies a numerical formula (Numerical Formula 3) below, S(M2)≥S(M1)×0.95  (Numerical Formula 1) Af (M2)−Af(M1)≥0.2eV  (Numerical Formula 2) T(M1)≤2.0eV  (Numerical Formula 3).

公开(公告)号：US09818958B2

公开(公告)日：2017-11-14

申请号：US15139508

申请日：2016-04-27

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tetsuya Inoue ,  Mitsunori Ito ,  Tomoki Kato ,  Kumiko Gorai ,  Kazuki Nishimura ,  Takayasu Sado

IPC: H01L35/24 ,  H01L51/00 ,  C09K11/06 ,  H01L51/50 ,  H05B33/14 ,  C07D405/14 ,  C07D403/14 ,  C09K11/02 ,  B82Y10/00 ,  H01L51/05

CPC classification number: H01L51/0072 ,  B82Y10/00 ,  C07D403/14 ,  C07D405/14 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/0036 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0073 ,  H01L51/0541 ,  H01L51/0545 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5056 ,  H05B33/14

Abstract: Provided are an organic electroluminescence device having high current efficiency and a long lifetime, and a biscarbazole derivative for realizing the device. The biscarbazole derivative has a specific substituent. The organic EL device has a plurality of organic thin-film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin-film layers contains the biscarbazole derivative.