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：US20240172558A1

公开(公告)日：2024-05-23

申请号：US18262939

申请日：2022-01-27

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Sayaka MIZUTANI ,  Masato NAKAMURA ,  Masatoshi SAITO ,  Kei YOSHIDA ,  Masato MITANI ,  Yoshinori AOYAMA

IPC: H10K85/60 ,  C07D405/10 ,  C07D409/10 ,  C09K11/06

CPC classification number: H10K85/654 ,  C07D405/10 ,  C07D409/10 ,  C09K11/06 ,  H10K85/615 ,  H10K85/626 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/166

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




where Ar1, Ar2, L, and p are as defined in the description, and A is a group represented by formula (2),




where HAr2, m, n, L2, and * are as defined in the description, and HAr1 is a group represented by formula (3),




where Y1, X1 to X8, *a, and ** are as defined in the description. An organic electroluminescent device containing the compound, and an electronic device including the organic electroluminescent device is further disclosed.

公开(公告)号：US20210336149A1

公开(公告)日：2021-10-28

申请号：US17133297

申请日：2020-12-23

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Masato NAKAMURA ,  Taro YAMAKI ,  Ryota TAKAHASHI

IPC: H01L51/00

Abstract: An organic electroluminescence device includes: an anode; a cathode; a first emitting unit including a first emitting layer and a first hole transporting zone; a first charge generating layer; and a second emitting unit including a second emitting layer, in which the first emitting unit, the first charge generating layer, and the second emitting unit are provided between the anode and the cathode in this order from the anode, the first hole transporting zone is provided between the anode and the first emitting layer, the first emitting layer contains a compound represented by a formula (1) below, and a thickness d1 of the first hole transporting zone is 60 nm or less. In the formula (1): at least one of R1 to R8 is -L13-Ar13; L11 to L13 are each independently a single bond, an arylene group or the like; and R1 to R8 not being -L13-Ar13 are each independently a hydrogen atom or the like.

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：US20240300978A1

公开(公告)日：2024-09-12

申请号：US18361304

申请日：2023-07-28

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yoshinao SHIRASAKI ,  Masatoshi SAITO ,  Kei YOSHIDA ,  Tetsuya MASUDA ,  Masato NAKAMURA ,  Tomokatsu KUSHIDA

IPC: C07D519/00 ,  H10K50/11 ,  H10K50/16 ,  H10K85/60 ,  H10K101/10

CPC classification number: C07D519/00 ,  H10K85/624 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/11 ,  H10K50/166 ,  H10K2101/10

Abstract: A compound represented by the following formula (A1) (X1 is O or S; two or more of Y1, Y2, and Y3 are N; and Ar1 is an aryl group including 6 to 50 ring carbon atoms, comprising a benzene ring having at least substituent Ar2 at the ortho-position; Ar2 is an aryl group; and Ar3 is a predetermined group).

公开(公告)号：US20240188425A1

公开(公告)日：2024-06-06

申请号：US18263287

申请日：2022-01-27

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Sayaka MIZUTANI ,  Masatoshi SAITO ,  Kei YOSHIDA ,  Masato MITANI ,  Masato NAKAMURA ,  Yoshinori AOYAMA

IPC: H10K85/60 ,  C07D405/10 ,  C09K11/06

CPC classification number: H10K85/654 ,  C07D405/10 ,  C09K11/06 ,  H10K85/615 ,  H10K85/6574 ,  H10K50/16

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




where Ar1, A, and B are as defined in the description. An organic electroluminescent device containing a cathode, an anode, and organic layers intervening between the cathode and the anode, where the organic layers include a light emitting layer, and where at least one layer of the organic layers contains the compound.

公开(公告)号：US20230171977A1

公开(公告)日：2023-06-01

申请号：US17918267

申请日：2021-04-13

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Satomi TASAKI ,  Tetsuya MASUDA ,  Hiroaki TOYOSHIMA ,  Masato NAKAMURA

IPC: H10K50/12

CPC classification number: H10K50/12 ,  H10K2101/00

Abstract: An organic EL device includes a first emitting layer and a second emitting layer. The first emitting layer contains a first host material and a first dopant material. The second emitting layer contains a second host material and a second dopant material. The first host material and the second host material are different from each other. The first dopant material is a compound having a maximum peak wavelength of 500 nm or less. The second dopant material is a compound having a maximum peak wavelength of 500 nm or less. The first dopant material and the second dopant material are different from each other. A triplet energy T1(H1) of the first host material and a triplet energy T1(H2) of the second host material satisfy a relationship of a numerical formula (Numerical Formula 1),


T1(H1)>T1(H2)   (Numerical Formula 1).

公开(公告)号：US20230167072A1

公开(公告)日：2023-06-01

申请号：US18050171

申请日：2022-10-27

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kei YOSHIDA ,  Masatoshi SAITO ,  Masato NAKAMURA ,  Sayaka MIZUTANI ,  Masato MITANI ,  Yoshinori AOYAMA ,  Ryota TAKAHASHI

IPC: C07D239/26 ,  H10K85/60 ,  C07D405/04 ,  C07D409/04 ,  C07D401/10 ,  C07D403/04 ,  C07D401/04 ,  H10K50/16 ,  H10K50/18

CPC classification number: C07D239/26 ,  H10K85/654 ,  C07D405/04 ,  H10K85/6574 ,  H10K85/6576 ,  C07D409/04 ,  C07D401/10 ,  H10K85/6572 ,  C07D403/04 ,  H10K85/622 ,  H10K85/615 ,  H10K85/652 ,  C07D401/04 ,  H10K50/16 ,  H10K50/18 ,  C07B2200/05

Abstract: A compound that further improves the capability of an organic electroluminescent 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 the symbols in the formula (1) are defined in the description, an organic electroluminescent device including the compound, and an electronic device including the organic electroluminescent device.

公开(公告)号：US20230123637A1

公开(公告)日：2023-04-20

申请号：US17886342

申请日：2022-08-11

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Masato NAKAMURA ,  Emiko KAMBE

IPC: H01L51/50 ,  H01L51/00

Abstract: An organic EL device includes: an anode; a cathode; an anode side emitting unit; a cathode side emitting unit; a charge generating unit; a first organic layer having a thickness of 40 nm or less; and a second organic layer, in which the anode side emitting unit includes a first emitting layer which is provided close to the anode, a difference between an ionization potential Ip(H1) of a first host material in the first emitting layer and an ionization potential Ip(EBL) of a first organic material in the first organic layer satisfies a relationship of a numerical formula (Numerical Formula A1) below, Ip(H1)−Ip(EBL)≤0.4 eV  (Numerical Formula A1).

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.