公开(公告)号：US20240349528A1

公开(公告)日：2024-10-17

申请号：US18261119

申请日：2022-01-13

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Masato NAKAMURA ,  Emiko KAMBE ,  Kazuki NISHIMURA ,  Yusuke TAKAHASHI ,  Tasuku HAKETA ,  Satomi TASAKI ,  Tetsuya MASUDA ,  Keitaro YAMADA

IPC: H10K50/16 ,  H10K50/13 ,  H10K85/60 ,  H10K101/30

CPC classification number: H10K50/166 ,  H10K50/13 ,  H10K50/167 ,  H10K85/636 ,  H10K2101/30

Abstract: An organic electroluminescence device includes an emitting region provided between a cathode and an anode, a first anode side organic layer, a second anode side organic layer, and a third anode side organic layer, in which the emitting region includes at least one emitting layer, the second anode side organic layer contains at least one compound different from the compound contained in the third anode side organic layer, the third anode side organic layer has a film thickness of 20 nm or more, and a difference NM2−NM3 between a refractive index NM2 of a constituent material contained in the second anode side organic layer and a refractive index NM3 of a constituent material contained in the third anode side organic layer satisfies a relationship of a numerical formula (Numerical Formula N1) below,










N
⁢

M
2


-

N
⁢

M
3



≥


0
.
0

⁢
5


.




(

Numerical
⁢

Formula
⁢

N1

)

公开(公告)号：US20240237513A1

公开(公告)日：2024-07-11

申请号：US18287222

申请日：2022-04-28

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tasuku HAKETA ,  Kiyoshi IKEDA ,  Shota TANAKA ,  Yusuke TAKAHASHI ,  Takuto FUKAMI ,  Tsukasa SAWATO

IPC: H10K85/60 ,  C07D307/91 ,  C09K11/06 ,  H10K50/15

CPC classification number: H10K85/636 ,  C07D307/91 ,  C09K11/06 ,  H10K85/633 ,  C09K2211/1018 ,  H10K50/156 ,  H10K85/626 ,  H10K85/6574

Abstract: The present invention is to provide a compound and a material for organic electroluminescent devices that further improve the performance of an organic EL device, an organic electroluminescent device having further improved device performance, and an electronic appliance including such an organic electroluminescent device. Provided is a compound represented by the following formula (1) (the signs in the formula are as defined in the description), a material for organic electroluminescent devices, the material containing the compound, an organic electroluminescent device containing the compound, and an electronic appliance including such an organic electroluminescent device.

公开(公告)号：US20230301177A1

公开(公告)日：2023-09-21

申请号：US18183427

申请日：2023-03-14

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Takeshi IKEDA ,  Takuto FUKAMI ,  Hiroaki ITOI ,  Yusuke TAKAHASHI ,  Shota TANAKA ,  Yongguk LEE ,  Tsukasa SAWATO

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/805

CPC classification number: H10K85/633 ,  H10K50/11 ,  H10K50/15 ,  H10K50/805

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




where the symbols in the formula (1) are 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：US20230172058A1

公开(公告)日：2023-06-01

申请号：US17906953

申请日：2021-03-23

Applicant: IDEMITSU KOSAN CO.,LTD.

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

IPC: H10K85/60 ,  C07D333/76 ,  C07D409/12

CPC classification number: H10K85/636 ,  C07D333/76 ,  H10K85/633 ,  C07D409/12 ,  H10K50/156

Abstract: A compound may be capable of further improving the capability of an organic EL device. An organic electroluminescent device may have a further improved device capability using such compound(s). An electronic device may include such an organic electroluminescent device. Such compounds may have formula (1)




wherein the symbols are as defined in the description.

公开(公告)号：US20230118654A1

公开(公告)日：2023-04-20

申请号：US17759887

申请日：2021-02-03

Applicant: IDEMITSU KOSAN CO.,LTD.

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

IPC: H10K85/60 ,  C07D333/76

Abstract: A compound that further improves the performance of an organic EL device, an organic electroluminescent device having a further improved device performance, and an electronic device including the organic EL device are provided, and a compound represented by the following formula (1) (the symbols in the formula are defined in the description), an organic electroluminescent device including the compound, and an electronic device including the organic electroluminescent device are provided.

公开(公告)号：US20240300912A1

公开(公告)日：2024-09-12

申请号：US18637498

申请日：2024-04-17

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yusuke TAKAHASHI ,  Tasuku HAKETA ,  Shota TANAKA

IPC: C07D307/91 ,  C07C15/28 ,  C07C15/38 ,  H10K50/12 ,  H10K50/15 ,  H10K85/60

CPC classification number: C07D307/91 ,  C07C15/28 ,  C07C15/38 ,  H10K50/15 ,  H10K85/622 ,  H10K85/6574 ,  H10K50/12

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：US20240140904A1

公开(公告)日：2024-05-02

申请号：US18256362

申请日：2022-03-30

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Tasuku HAKETA ,  Shota TANAKA ,  Yusuke TAKAHASHI ,  Takuto FUKAMI ,  Tsukasa SAWATO

IPC: C07C211/58 ,  C07C211/54 ,  C07C211/61 ,  C07D307/91 ,  C07D333/76 ,  H10K50/12 ,  H10K50/15 ,  H10K85/60

CPC classification number: C07C211/58 ,  C07C211/54 ,  C07C211/61 ,  C07D307/91 ,  C07D333/76 ,  H10K50/12 ,  H10K50/15 ,  H10K85/622 ,  H10K85/633 ,  H10K85/6574 ,  H10K85/6576

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




One of R1 and R2 is a methyl group, and the other is an unsubstituted phenyl group, and R1 and R2 are not bonded to each other and therefore do not form a ring structure. One of R3 and R4 is a methyl group, and the other is an unsubstituted phenyl group, and R3 and R4 are not bonded to each other and therefore do not form a ring structure. R11 to R18, and R21 to R28 are hydrogen atoms, provided that, one selected from R11 to R18 is a single bond bonded to *a, and one selected from R21 to R28 is a single bond bonded to *b. L1 and L2 are each independently a single bond, or a substituted or unsubstituted phenylene group.

公开(公告)号：US20230422606A1

公开(公告)日：2023-12-28

申请号：US18037870

申请日：2021-11-26

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tasuku HAKETA ,  Takuto FUKAMI ,  Shota TANAKA ,  Yusuke TAKAHASHI ,  Tsukasa SAWATO

IPC: H10K85/60 ,  C07D307/91 ,  C09K11/06

CPC classification number: H10K85/636 ,  C07D307/91 ,  H10K50/156 ,  H10K85/633 ,  C09K11/06

Abstract: Provided are a compound that further improves the performance of an organic EL device, an organic electroluminescent device having further improved device performance, and an electronic device including the organic electroluminescent device. The compound is represented by the following formula (1):






wherein each of the symbols in the formula (1) is defined in the description. The organic electroluminescent device includes the compound; and the electronic device includes the organic electroluminescent device.

公开(公告)号：US20230389347A1

公开(公告)日：2023-11-30

申请号：US18031682

申请日：2021-10-15

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Shota TANAKA ,  Tasuku HAKETA ,  Yusuke TAKAHASHI

IPC: H10K50/12 ,  H10K50/15 ,  H10K85/60 ,  C07D307/79

CPC classification number: H10K50/12 ,  H10K50/15 ,  H10K85/653 ,  C07D307/79 ,  C07B2200/07

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




wherein in the formulae (1) and (1-a) or (1-b), N*, Ar1, Ar2, L1, L2, L3, and R1 to R5 are defined in the description, and Ara represents the formula (1-a) or (1-b), an organic electroluminescent device including the compound, and an electronic device including the organic electroluminescent device.

公开(公告)号：US20230312501A1

公开(公告)日：2023-10-05

申请号：US18329687

申请日：2023-06-06

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yusuke TAKAHASHI ,  Tasuku HAKETA ,  Shota TANAKA

IPC: C07D307/91 ,  C07C15/28 ,  C07C15/38 ,  H10K50/15 ,  H10K85/60

CPC classification number: C07D307/91 ,  C07C15/28 ,  C07C15/38 ,  H10K50/15 ,  H10K85/622 ,  H10K85/6574 ,  H10K50/12

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.