公开(公告)号：US20250084047A1

公开(公告)日：2025-03-13

申请号：US18724470

申请日：2022-12-26

Applicant: IDEMITSU KOSAN CO., LTD.

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

IPC: C07D307/91 ,  C07B59/00 ,  C07C13/547 ,  C07C15/38 ,  C07D209/90 ,  C07D333/76 ,  C09K11/06 ,  H10K85/20 ,  H10K85/60 ,  H10K101/10

Abstract: An organic electroluminescence device includes an anode, a cathode, and an emitting region disposed between the anode and the cathode, in which the emitting region includes a first emitting layer and a second emitting layer, the first emitting layer contains a first compound represented by a formula below, and the second emitting layer contains a second compound. At least one of R101 to R112 in the formula (100A), L101 or Ar101 in the formula (100B) has at least one deuterium atom. When only L101 has at least one deuterium atom, the at least one deuterium atom is bonded to a ring that is of rings forming L1 and directly bonded to a benz[a]anthracene ring in the formula (100A).

公开(公告)号：US20230159479A1

公开(公告)日：2023-05-25

申请号：US18158613

申请日：2023-01-24

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yu KUDO ,  Tasuku HAKETA ,  Hirokatsu ITO

IPC: C07D307/91 ,  H10K85/60

CPC classification number: C07D307/91 ,  H10K85/633 ,  H10K85/6574 ,  H10K50/12

Abstract: a compound represented by formula (A):




wherein Ar, R1 to R7, R11 to R14, R21 to R24, R31 to R34, *1, and R41 to R48 are as defined in the description provides organic electroluminescence devices with improved device performance.

公开(公告)号：US20180339994A1

公开(公告)日：2018-11-29

申请号：US15329167

申请日：2016-08-26

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yu KUDO ,  Yumiko MIZUKI ,  Masahiro KAWAMURA ,  Tomoki KATO ,  Hirokatsu ITO ,  Tasuku HAKETA ,  Yuichi NISHIMAE ,  Annemarie WOLLEB

IPC: C07D491/22

CPC classification number: C07D491/22 ,  C07D491/147 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1044 ,  C09K2211/1088 ,  C09K2211/185 ,  H01L51/0071 ,  H01L51/5012

Abstract: A compound represented by the following formula (1):

公开(公告)号：US20250089561A1

公开(公告)日：2025-03-13

申请号：US18724656

申请日：2022-12-26

Applicant: IDEMITSU KOSAN CO.,LTD.

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

IPC: H10K85/60 ,  C07D307/92 ,  C09K11/02 ,  H10K50/13

Abstract: A compound is represented by a formula (1A-A). One of R4 to R8 and R10 to R12 is a group represented by a formula (1B-A1), (1B-A2), or (1B-A3) above; R1 to R3, R9, and R4 to R8 and R10 to R12 other than the above are each a hydrogen atom, a substituent, or the like; when R11 or R12 is a group represented by the formula (1B-A1), (1B-A2), or (1B-A3), R12 or R11 is a hydrogen atom or a phenyl group; and in the formulae (1B-A1) to (1B-A3), R51 to R57, R61 to R64, R71 to R74, and R81 to R84 forming no ring in the formulae (1B-A1) to (1B-A3) are each a hydrogen atom, a substituent, or the like; and * represents a bonding position to a benz[a]anthracene ring in the formula (1A-A).

公开(公告)号：US20240074311A1

公开(公告)日：2024-02-29

申请号：US18333862

申请日：2023-06-13

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Shintaro BAN ,  Yu KUDO ,  Kei YOSHIDA ,  Sigma HASHIMOTO ,  Yoshinao SHIRASAKI

IPC: H10K85/60 ,  C07D307/77 ,  C09K11/06

CPC classification number: H10K85/6574 ,  C07D307/77 ,  C09K11/06 ,  H10K85/622 ,  H10K85/626 ,  H10K50/13

Abstract: A compound is represented by a formula (1) below. In the formula (1): R1 to R9, R101 to R108, and R111 to R118 are each independently a hydrogen atom, a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, or the like; Ar12 is a substituted or unsubstituted aryl group having 10 to 30 ring carbon atoms or the like; p is 0 or 1; q is 0 or 1; and p+q is 1 or 2.

公开(公告)号：US20210253546A1

公开(公告)日：2021-08-19

申请号：US17053630

申请日：2019-05-10

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Hirokatsu ITO ,  Tasuku HAKETA ,  Yu KUDO

IPC: C07D307/91 ,  H01L51/00

Abstract: Provided is an organic electroluminescent element comprising a compound that is represented by formula (1) and having a more improved lifetime. (In the formula, X, R1-R8, R11-R17, R21-R30, L1, L2, n, and Ar1-Ar3 are as defined in the description.)

公开(公告)号：US20210066611A1

公开(公告)日：2021-03-04

申请号：US16964857

申请日：2019-01-28

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：US20210062082A1

公开(公告)日：2021-03-04

申请号：US17097031

申请日：2020-11-13

Applicant: IDEMITSU KOSAN CO., LTD.

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

IPC: C09K11/06 ,  H01L51/00

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 N*, Ar, *a, R11 to R15, R21 to R27, R31 to R37, R41 to R45, and R51 to R55 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：US20190088879A1

公开(公告)日：2019-03-21

申请号：US16176762

申请日：2018-10-31

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tasuku HAKETA ,  Hirokatsu ITO ,  Yu KUDO

IPC: H01L51/00 ,  H01L51/50 ,  C07D311/82 ,  C07D335/12

CPC classification number: H01L51/006 ,  C07D311/82 ,  C07D335/12 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5064

Abstract: A compound represented by formula (1) provides an organic electroluminescence device having a low driving voltage and an excellent emission efficiency: wherein R1 to R8, R11 to R18, R21 to R28, R31 to R38, X, Y, L1, L2, L3, and Ar are as defined in the description.

公开(公告)号：US20240403575A1

公开(公告)日：2024-12-05

申请号：US18682323

申请日：2022-07-13

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Yu KUDO ,  Shintaro BAN ,  Taro YAMAKI ,  Takamoto MORITA

IPC: G06K1/12

Abstract: An organic electroluminescence device includes an emitting region provided between an anode and a cathode, in which the emitting region includes a first emitting layer and a second emitting layer, a ratio DEM1/DEM2 of a film thickness DEM1 of the first emitting layer to a film thickness DEM2 of the second emitting layer is in a range from 2/3 to 3/2, the first emitting layer contains a first host material and a first luminescent compound, the second emitting layer contains a second host material and a second luminescent compound, and the first host material is a compound represented by a formula (1) below having a group represented by a formula (10).