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：US20220238814A1

公开(公告)日：2022-07-28

申请号：US17580232

申请日：2022-01-20

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Keitaro YAMADA ,  Masato NAKAMURA

IPC: H01L51/00

Abstract: An organic electroluminescence device, comprising: a cathode, an anode, an emitting layer disposed between the cathode and the anode, and a hole-transporting zone disposed between the anode and the emitting layer, wherein the hole-transporting zone contains a first layer and a second layer in this order from the anode side, the first layer contains a compound represented by the following formula (1), and the first layer has a thickness of 0.10 to 3.00 nm.

公开(公告)号：US20240415013A1

公开(公告)日：2024-12-12

申请号：US18697130

申请日：2022-09-30

Applicant: IDEMITSU KOSAN CO.,LTD.

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

IPC: H10K85/60 ,  C09K11/02 ,  C09K11/06 ,  H10K50/12 ,  H10K50/15 ,  H10K101/00

Abstract: An organic EL device includes an emitting region between a cathode and an anode, a first anode side organic layer, and a second anode side organic layer, in which the emitting region includes at least a first emitting layer, the first emitting layer contains a first host material, a first additional host material, and a first luminescent compound, the first anode side organic layer contains first and second organic materials, a content of the first organic material 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 constituent materials in the first anode side organic layer and a refractive index NM2 of a constituent material in the second anode side organic layer satisfy a relationship of Numerical Formula NM, NM 1 > NM 2 . ( Numerical ⁢ Formula ⁢ NM )

公开(公告)号：US20240423010A1

公开(公告)日：2024-12-19

申请号：US18697067

申请日：2022-09-30

Applicant: IDEMITSU KOSAN CO.,LTD.

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

IPC: H10K50/15 ,  H10K50/11 ,  H10K50/16 ,  H10K59/90 ,  H10K85/60

Abstract: An organic EL 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, a first emitting layer of the emitting region contains a first host material, a first additional host material, and a first luminescent compound, the first anode-side-organic layer is in direct contact with the second one, the second anode-side-organic layer is in direct contact with the third one, the third anode-side-organic layer has a film thickness of 20 nm or more, the second anode-side-organic layer contains at least one compound different from a compound contained in the third one, the first emitting layer is a fluorescent emitting layer, and a refractive index NM2 of a constituent material contained in the second anode-side-organic layer and a refractive index NM3 in the third one satisfy a relationship below, NM 2 > NM 3 . ( Numerical ⁢ Formula ⁢ NM )

公开(公告)号：US20220231231A1

公开(公告)日：2022-07-21

申请号：US17511477

申请日：2021-10-26

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Masato NAKAMURA ,  Yusuke TAKAHASHI ,  Keitaro YAMADA ,  Tasuku HAKETA ,  Emiko KAMBE ,  Kazuki NISHIMURA

IPC: H01L51/00

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, NM2−NM3≥0.05  (Numerical Formula N1).

公开(公告)号：US20240147843A1

公开(公告)日：2024-05-02

申请号：US18261247

申请日：2022-01-13

Applicant: IDEMITSU KOSAN CO., LTD.

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

IPC: H10K85/60

CPC classification number: H10K85/633 ,  H10K85/636 ,  H10K50/156 ,  H10K85/615 ,  H10K85/624 ,  H10K85/626 ,  H10K85/6572 ,  H10K85/6574

Abstract: An organic EL 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 a first emitting layer, the first anode-side-organic layer is in direct contact with the second anode-side-organic layer, the second anode-side-organic layer is in direct contact with the third anode-side-organic layer, the third anode-side-organic layer has a film thickness of 20 nm or more, the second anode-side-organic layer contains at least one compound different from a compound contained in the third anode-side-organic layer, the first emitting layer is a fluorescent emitting layer, and 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 satisfy a relationship of Numerical Formula NM,


NM2>NM3  (Numerical Formula NM).

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：US20230210002A1

公开(公告)日：2023-06-29

申请号：US18076201

申请日：2022-12-06

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Shota TANAKA ,  Keitaro YAMADA ,  Yusuke TAKAHASHI ,  Hiroaki TOYOSHIMA

IPC: H10K85/60 ,  H10K50/15 ,  H10K50/17 ,  H10K50/11 ,  H10K85/40

CPC classification number: H10K85/6572 ,  H10K50/15 ,  H10K50/17 ,  H10K50/11 ,  H10K85/6574 ,  H10K85/631 ,  H10K85/636 ,  H10K85/633 ,  H10K85/6576 ,  H10K85/655 ,  H10K85/654 ,  H10K85/615 ,  H10K85/624 ,  H10K85/622 ,  H10K85/40 ,  H10K2102/302

Abstract: A composition including a compound represented by the following formula (12) and a compound represented by the following formula (21) (provided that the compound represented by the formula (12) is different from the compound represented by the formula (21)).