公开(公告)号：US20240130224A1

公开(公告)日：2024-04-18

申请号：US18259254

申请日：2021-12-24

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Hiroaki TOYOSHIMA ,  Kazuki NISHIMURA ,  Tetsuya MASUDA ,  Satomi TASAKI ,  Masato NAKAMURA ,  Hiroaki ITOI ,  Emiko KAMBE ,  Yusuke TAKAHASHI ,  Keitaro YAMADA ,  Takeshi IKEDA ,  Tasuku HAKETA

IPC: H10K85/60

CPC classification number: H10K85/633 ,  H10K85/60 ,  H10K85/615 ,  H10K85/626 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/658 ,  H10K50/11

Abstract: An organic electroluminescence device includes an emitting region between a cathode and an anode, a first anode side organic layer, and a second anode side organic layer. The emitting region includes at least a first emitting layer, the first anode side organic layer is in direct contact with the second anode side organic layer, the first anode side organic layer contains first and second organic materials, a content of the first organic material in the first anode side organic layer is less than 50 mass %, the second anode side organic layer contains a second hole transporting zone material, the first emitting layer is an emitting layer that emits fluorescence, and a refractive index NM1 of the constituent materials contained in the first anode side organic layer and a refractive index NM2 of the constituent material contained in the second anode side organic layer satisfy a relationship of NM1>NM2.

公开(公告)号：US20240090319A1

公开(公告)日：2024-03-14

申请号：US17766205

申请日：2020-09-28

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Tasuku HAKETA ,  Kazuki NISHIMURA

IPC: H10K85/60 ,  H10K50/15

CPC classification number: H10K85/633 ,  H10K50/15 ,  H10K85/622 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576

Abstract: An organic electroluminescence device including a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer indudes an emitting layer and a first layer, wherein the first layer is disposed between the anode and the emitting layer, and the first layer contains a first hole-transporting material and a second hole-transporting material, the first hole-transporting material is a compound represented by the following formula (1) (at least one of Ar1 to Ar3 is a group represented by the following formula (2)):

公开(公告)号：US20230227397A1

公开(公告)日：2023-07-20

申请号：US17767602

申请日：2020-10-09

Applicant: IDEMITSU KOSAN CO.,LTD.

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

IPC: C07C211/54 ,  H10K85/60 ,  H10K50/15 ,  H10K50/11 ,  C07D307/91 ,  C07D333/76 ,  C07D409/12

CPC classification number: C07C211/54 ,  H10K85/633 ,  H10K50/15 ,  H10K50/11 ,  H10K85/631 ,  H10K85/615 ,  H10K85/626 ,  H10K85/622 ,  C07D307/91 ,  C07D333/76 ,  H10K85/6574 ,  H10K85/6576 ,  H10K85/636 ,  C07D409/12 ,  C07B2200/05

Abstract: A compound may improve the capability of an organic EL device, and an organic electroluminescent device including such compound may have improved capability and may be included in electronic devices. Such compounds may be of formula (1A) or formula (1B) (wherein the symbols are as defined in the description)




organic electroluminescent device(s) may contain such compound(s), and electronic device(s) may include such organic electroluminescent device(s).

公开(公告)号：US20230200222A1

公开(公告)日：2023-06-22

申请号：US18172622

申请日：2023-02-22

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Tasuku HAKETA ,  Yusuke TAKAHASHI ,  Shota TANAKA ,  Hirokatsu ITO

IPC: H10K85/60 ,  C07C211/54 ,  C07C211/58 ,  C07C211/61 ,  C07D209/86 ,  C07D307/91 ,  C09K11/06

CPC classification number: H10K85/633 ,  C07C211/54 ,  C07C211/58 ,  C07C211/61 ,  C07D209/86 ,  C07D307/91 ,  C09K11/06 ,  H10K85/631 ,  H10K85/636 ,  C07C2603/18 ,  C07C2603/26 ,  C07B2200/05 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1018 ,  H10K50/156

Abstract: A compound represented by the following formula (1) wherein the symbols are as defined in the description, and an organic electroluminescent device containing the compound.

公开(公告)号：US20230026288A1

公开(公告)日：2023-01-26

申请号：US17810443

申请日：2022-07-01

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yusuke TAKAHASHI ,  Tasuku HAKETA ,  Shota TANAKA

IPC: C07D307/91 ,  C07C15/28 ,  C07C15/38 ,  H01L51/00 ,  H01L51/50

Abstract: A compound represented by the following formula (1): The R1 to R9, L1 to L3, and Ar1 to Ar2 in the formula (1) are as defined in the description. An organic electroluminescence device contains the compound, and an electronic instrument includes the organic electroluminescence device.

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：US20230008737A1

公开(公告)日：2023-01-12

申请号：US17640979

申请日：2021-09-29

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Tasuku HAKETA ,  Shota TANAKA ,  Yusuke TAKAHASHI

IPC: H01L51/00 ,  C07D209/86 ,  C09K11/06 ,  C07D405/12

Abstract: To provide a compound for further improving the capability of an organic EL device, an organic electroluminescent element having a further improved device capability, and an electronic device including the organic electroluminescent element. Disclosed are a compound represented by the following formula (1) or formula (2) (wherein each symbol in each formula is as defined in the description), an organic electroluminescent element containing the compound, and an electronic device including the organic electroluminescent element.

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：US20210328156A1

公开(公告)日：2021-10-21

申请号：US17346694

申请日：2021-06-14

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Ryoji MAEDA ,  Tasuku HAKETA ,  Kazuki NISHIMURA ,  Masato NAKAMURA

IPC: H01L51/00

Abstract: A mixture contains a first compound and a second compound, in which the first compound has at least one of a first cyclic structure represented by a formula (11) below and a second cyclic structure represented by a formula (12) below, and the second compound is a compound represented by a formula (21) or a compound represented by a formula (22) below, and a total mass MT of the first and second compounds and a mass M2 of the second compound in the mixture satisfy a relationship of a numerical formula (Numerical Formula 1) below,