公开(公告)号：US11283025B2

公开(公告)日：2022-03-22

申请号：US15748940

申请日：2016-08-01

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Taro Yamaki ,  Tomoki Kato ,  Masahiro Kawamura ,  Hirokatsu Ito

IPC: H01L51/54 ,  H01L51/00 ,  C07D333/76 ,  C07D307/91 ,  C07D409/12 ,  C09K11/06 ,  H01L51/50

Abstract: A compound represented by formula (1): wherein R1 to R5, a to e, L1 to L3, Ar, and X are as defined in the description.

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：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：US10797244B2

公开(公告)日：2020-10-06

申请号：US15328747

申请日：2016-04-28

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tomoharu Hayama ,  Tetsuya Masuda ,  Masahiro Kawamura ,  Hirokatsu Ito ,  Yumiko Mizuki ,  Tomoki Kato ,  Takushi Shiomi

IPC: H01L51/00 ,  C07D401/10 ,  H01L51/50

Abstract: A compound is represented by a formula (1). In the formula (1); Ar represents an aromatic hydrocarbon group or a heterocyclic group having 4 or more fused rings and 22 or less ring atoms; Ar optionally has a substituent; R11 is a substituted or unsubstituted aromatic hydrocarbon group; when R11 is an aromatic hydrocarbon group having a substituent, the substituent is not a heterocyclic group; X1 represents a nitrogen atom or a carbon atom bonded with R12 (CR12); R12 represents a hydrogen atom or a substituent; L1 represents a single bond or a linking group; X2 and X3 each independently represent a nitrogen atom or a carbon atom bonded with R2 (CR2); R1 and R2 each independently represent a hydrogen atom or a substituent; and L2 is a linking group.

公开(公告)号：US10756275B2

公开(公告)日：2020-08-25

申请号：US14910596

申请日：2015-07-13

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tomoki Kato ,  Nobuhiro Yabunouchi ,  Masakazu Funahashi ,  Takahiro Fujiyama

IPC: H01L51/00 ,  C07D333/76 ,  C07C211/61 ,  C07D405/12 ,  C07D307/91 ,  C09K11/06 ,  H01L51/50 ,  C07D209/86

Abstract: A compound represented by formula (1) is useful as a material for organic EL devices which realizes an organic EL device exhibiting high emission efficiency even when driving at a low voltage and has a long lifetime: wherein R1 to R4, L0 to L2, Ar1 to Ar2, m1 to m3, and k4 are as defined in the description.

公开(公告)号：US20200111968A1

公开(公告)日：2020-04-09

申请号：US16593775

申请日：2019-10-04

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuki NAKANO ,  Taro Yamaki ,  Satomi Tasaki ,  Tomoki Kato

IPC: H01L51/00

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 includes 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, and Ar2 is a monovalent group represented by following formula (2), (3) or (4).

公开(公告)号：US10464895B2

公开(公告)日：2019-11-05

申请号：US15765639

申请日：2016-10-05

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tomoki Kato ,  Masahiro Kawamura ,  Masakazu Funahashi

IPC: H01L51/50 ,  C07D209/86 ,  C07D209/82 ,  H01L51/00 ,  H01L51/52

Abstract: A compound represented by formula (1) provides an organic electroluminescence device having a high efficiency and a long lifetime: wherein R1 to R5, R6 to R10, and R11 to R18 are as defined in the description.

公开(公告)号：US10411192B2

公开(公告)日：2019-09-10

申请号：US14910591

申请日：2014-10-10

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tomoki Kato ,  Masakazu Funahashi ,  Takahiro Fujiyama

IPC: H01L51/00 ,  C07C211/61 ,  C07D307/91 ,  C09K11/06 ,  C07D405/14 ,  C07D487/14 ,  C07D333/76 ,  C07D235/08 ,  C07D403/14 ,  C07D405/10 ,  C07D407/10 ,  C07D407/12 ,  C07D407/14 ,  C07C211/55 ,  H01L51/50

Abstract: An aromatic amine derivative having a specific structure, an organic electroluminescence device, and an electronic equipment are provided. The organic electroluminescence device includes organic thin film layers which include a light emitting layer and are disposed between a cathode and an anode. At least one layer of the organic thin film layers includes the aromatic amine derivative. The organic electroluminescence device can be operated at low driving voltage and has high efficiency. The compound achieves the above organic electroluminescence device.

公开(公告)号：US10355218B2

公开(公告)日：2019-07-16

申请号：US15436352

申请日：2017-02-17

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tomoki Kato

IPC: C09K11/06 ,  H01L51/00 ,  H01L51/50 ,  C07D209/86 ,  C07D307/91 ,  C07D333/76 ,  C07D405/12 ,  H05B33/14

Abstract: Provided are an organic EL device material capable of reducing the driving voltage of an organic EL device and increasing the lifetime of the device as compared with a conventional organic EL device material, specifically an aromatic amine derivative represented by N(Ara)(Arb)(Arc), and an organic EL device using the material. [Ara is represented by the formula (II). (In the formula (II): La represents a single bond or an arylene group; R1 to R4 each represent an alkyl group, an aryl group, or the like, and R3's or R4's, or R3 and R4 may be bonded to each other to form a ring; and o represents 0 to 3 and p represents 0 to 4.) Arb is represented by the formula (III). (in the formula (III), X represents NRa, O, or S, and Ra and R5 to R7 each represent an alkyl group, an aryl group, or the like, and R5's, R6's, or R7's adjacent to each other, or R5 and R6 may be bonded to each other to form a ring; n represents 2 to 4 when X represents NRa, and represents 0 to 4 when X represents O or S; and q represents 0 to 3, r and s each independently represent 0 to 4.) Arc represents an aryl group, or is represented by the formula (III)].

公开(公告)号：US10243148B2

公开(公告)日：2019-03-26

申请号：US15502572

申请日：2016-06-07

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tomoki Kato ,  Masahiro Kawamura ,  Masakazu Funahashi

IPC: H01L51/00 ,  H01L51/50 ,  C07C211/61 ,  C07D209/86 ,  C07D307/91 ,  C07D333/18 ,  C07D333/76

Abstract: A compound represented by formula (1): wherein R1 to R4, a to d, L0 to L2, and Ar are as defined in the description, is a material providing an organic electroluminescence device which can be operated at a low driving voltage and has a long lifetime.