公开(公告)号：US20230145611A1

公开(公告)日：2023-05-11

申请号：US17800221

申请日：2021-02-19

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yuki NAKANO ,  Ryota TAKAHASHI ,  Yoshinao SHIRASAKI ,  Yu KUDO

IPC: C07D487/22 ,  H10K85/60

CPC classification number: C07D487/22 ,  H01L51/0072 ,  H01L51/0059

Abstract: A compound represented by the following formula (1), wherein at least one of Ra to Rd is a substituted or unsubstituted biphenyl-2-yl group; and at least one of Ra to Rd has a specific substituent.

公开(公告)号：US20230024273A1

公开(公告)日：2023-01-26

申请号：US17767779

申请日：2020-10-09

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yusuke TAKAHASHI ,  Tasuku HAKETA ,  Shota TANAKA ,  Hirokatsu ITO ,  Yu KUDO

IPC: H01L51/00 ,  C07D307/91 ,  C09K11/06 ,  C07D333/76 ,  C07C211/54 ,  C07C211/58 ,  C07C211/61

Abstract: Provided are: a compound that further improves the capability of an organic EL device, an organic electroluminescent device having a further improved device capability, and an electronic device including the organic electroluminescent device. Precisely provided are: a compound represented by the following formula (1A) or formula (1B) (wherein the symbols are as defined in the description), an organic electroluminescent device containing the compound, and an electronic device including the organic electroluminescent device.

公开(公告)号：US20220399505A1

公开(公告)日：2022-12-15

申请号：US17884732

申请日：2022-08-10

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yusuke TAKAHASHI ,  Tasuku HAKETA ,  Hirokatsu ITO ,  Yu KUDO

IPC: H01L51/00 ,  C07D307/91 ,  C07D409/14 ,  C09K11/06

Abstract: Provided are a compound capable of more improving the performance of organic EL devices, an organic electroluminescent device having a more improved device performance, and an electronic device including such an organic electroluminescent device; precisely, a compound represented by the following formula (1) wherein X1, X2, X3, L, R1 to R3, R5 to R8, R11 to R13, R15 to R18, R21 to R24, and R25 to R28 are as defined in the description, an organic electroluminescent device containing the compound, and an electronic device including such an organic electroluminescent device.

公开(公告)号：US20220396570A1

公开(公告)日：2022-12-15

申请号：US17861301

申请日：2022-07-11

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hirokatsu ITO ,  Tasuku HAKETA ,  Yu KUDO ,  Yusuke TAKAHASHI

IPC: C07D407/12 ,  H01L51/00

Abstract: An organic electroluminescence device having an improved performance and a compound represented by formula (1), which is a novel material that enables the organic electroluminescence device: wherein, X, Ar1 to Ar5, R1 to R20, *a, and *b are the same as those defined in the specification.

公开(公告)号：US20180182974A1

公开(公告)日：2018-06-28

申请号：US15850166

申请日：2017-12-21

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tasuku HAKETA ,  Hirokatsu ITO ,  Yu KUDO

IPC: H01L51/00 ,  C07D471/06 ,  C07D405/12

CPC classification number: H01L51/0061 ,  C07D405/12 ,  C07D471/06 ,  H01L51/0054 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5064 ,  H01L51/5206 ,  H01L51/5221

Abstract: A compound represented by formula (1): wherein each symbol is as defined in the specification, provides a high performance organic electroluminescence device which comprises a cathode, an anode and an organic layer between the cathode and the anode, wherein the organic layer comprises a light emitting layer and at least one layer of the organic layer comprises the compound.

公开(公告)号：US20250098521A1

公开(公告)日：2025-03-20

申请号：US18724481

申请日：2022-12-26

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yu KUDO ,  Yoshinao SHIRASAKI ,  Masato MITANI ,  Sigma HASHIMOTO ,  Kei YOSHIDA ,  Shintaro BAN ,  Kazuki TERADA ,  Hiroaki ITOI

IPC: H10K85/60 ,  C07C15/20 ,  C09K11/02 ,  H10K50/12

Abstract: A compound represented by a formula (1C-A) below. One of R4 to R8 and R10 to R12 is a group represented by a formula (1D-A) above; R1 to R3, R9, and R4 to R8 and R10 to R12 not being the group represented by the formula (1D-A) are each a hydrogen atom, a substituent, or the like; at least one of R21 to R30 is other than a hydrogen atom; when R11 is a group represented by a formula (1D), R12 is a hydrogen atom or a phenyl group; when R12 is a group represented by the formula (1D), R11 is a hydrogen atom or a phenyl group; in the formula (1D), one of R21 to R30 represents a bonding position to a benz[a]anthracene ring in the formula (1C), and R21 to R30 not being the bonding position are each a hydrogen atom, a substituent, or the like.

公开(公告)号：US20240292750A1

公开(公告)日：2024-08-29

申请号：US18289745

申请日：2022-05-11

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yu KUDO ,  Tetsuya MASUDA ,  Hiroaki ITOI ,  Shintaro BAN ,  Takayasu SADO ,  Satomi TASAKI ,  Taro YAMAKI ,  Ryota TAKAHASHI ,  Takamoto MORITA

IPC: H10K85/60 ,  C09K11/06 ,  H10K50/11 ,  H10K101/00

CPC classification number: H10K85/6574 ,  C09K11/06 ,  H10K85/615 ,  H10K85/622 ,  C09K2211/1018 ,  H10K50/11 ,  H10K2101/90

Abstract: An organic electroluminescence device includes an emitting layer, in which the emitting layer includes at least one single layer containing a first host material, a second host material, and an emitting compound; the first host material and the second host material are mutually different; and a triplet energy of the first host material T1(H1), a triplet energy of the second host material T1(H2), and a triplet energy of the emitting compound T1(D) satisfy at least one of a relationship of a numerical formula (Numerical Formula 1) or a relationship of a numerical formula (Numerical Formula 2) below,


T1(D)>T1(H1)  (Numerical Formula 1)



T1(D2)>T1(H2)  (Numerical Formula 2).

公开(公告)号：US20240224791A1

公开(公告)日：2024-07-04

申请号：US18280929

申请日：2022-03-10

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Satomi TASAKI ,  Kazuki NISHIMURA ,  Ryota TAKAHASHI ,  Taro YAMAKI ,  Yu KUDO

IPC: H10K85/60 ,  C07B59/00 ,  C09K11/02 ,  C09K11/06 ,  H10K85/20 ,  H10K85/40

CPC classification number: H10K85/622 ,  C07B59/004 ,  C09K11/02 ,  C09K11/06 ,  H10K85/20 ,  H10K85/40 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K85/658 ,  C07B2200/05

Abstract: An organic electroluminescence device includes: an anode; a cathode; and an emitting layer provided between the anode and the cathode, in which the emitting layer includes a first emitting layer and a second emitting layer, and the first emitting layer contains, as a first host material, a first compound represented by a formula (1) below,




in the formula (1): a cyclic structure A and a cyclic structure B are each independently, for instance, a cyclic structure selected from the group consisting of a substituted or unsubstituted aryl ring having 6 to 50 ring carbon atoms, and a substituted or unsubstituted heterocycle having 5 to 50 ring atoms; X1 is, for instance, an oxygen atom, a sulfur atom, NR71, and C(R72)(R73); and Y1 is, for instance, a sulfur atom, NR71A, or C(R72A)(R73A).

公开(公告)号：US20230047512A1

公开(公告)日：2023-02-16

申请号：US17903206

申请日：2022-09-06

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hirokatsu ITO ,  Tasuku HAKETA ,  Yu KUDO

IPC: H01L51/00 ,  C07D307/91 ,  C09K11/06

Abstract: A compound that is capable of achieving an organic EL device that has a high external quantum efficiency and a long lifetime is to be provided, and a compound represented by the following formula (1) is used (wherein in the formula, R11 to R17, R21 to R28, R31 to R38, R41 to R45, R51 to R55, R61 to R64, and L1 are defined in the description).

公开(公告)号：US20220246857A1

公开(公告)日：2022-08-04

申请号：US17614481

申请日：2020-05-29

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yusuke TAKAHASHI ,  Tasuku HAKETA ,  Hirokatsu ITO ,  Yu KUDO

IPC: H01L51/00 ,  C07D307/91 ,  C09K11/06 ,  C07D409/14

Abstract: Provided are a compound capable of more improving the performance of organic EL devices, an organic electroluminescent device having a more improved device performance, and an electronic device including such an organic electroluminescent device; precisely, a compound represented by the following formula (1) wherein X1, X2, X3, L, R1 to R3, R5 to R8, R11 to R13, R15 to R18, R21 to R24, and R25 to R28 are as defined in the description, an organic electroluminescent device containing the compound, and an electronic device including such an organic electroluminescent device.