公开(公告)号：US20220356133A1

公开(公告)日：2022-11-10

申请号：US17642652

申请日：2020-09-11

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kazuki NISHIMURA ,  Satomi TASAKI

IPC: C07C15/38 ,  C07D307/91 ,  C07C15/28 ,  C07C15/30 ,  C07D333/76 ,  C07D311/82 ,  C07D407/10 ,  C07F7/08 ,  C07C251/24 ,  C07C255/51 ,  C07D487/06 ,  C07D491/22 ,  C07D491/16 ,  C07D487/16 ,  C07D495/22 ,  C07D519/00 ,  C07F5/02 ,  C07D493/04 ,  C07D495/04 ,  C07D209/82 ,  C07D405/10 ,  H01L51/00

Abstract: An organic electroluminescence device includes an anode, a cathode, a first emitting layer, and a second emitting layer provided between the first emitting layer and the cathode, in which the first emitting layer contains, as a first host material, a first compound represented by a formula (1) below and having a group represented by a formula (11) below, the second emitting layer contains a second compound represented by one of formulae (2-1D) to (2-4D) below as a second host material, and the first emitting layer is in direct contact with the second emitting layer.

公开(公告)号：US20220289726A1

公开(公告)日：2022-09-15

申请号：US17632701

申请日：2020-08-07

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Yuki NAKANO ,  Satomi TASAKI ,  Taro YAMAKI

IPC: C07D409/10 ,  H01L51/50 ,  H01L51/00 ,  C07D335/12 ,  C07D311/82

Abstract: A compound represented by the following formula (1), wherein in the formula, L1 and L2 are predetermined linking groups, and Ar1 is a monovalent group having a structure represented by the following formula (2).

公开(公告)号：US20220173334A1

公开(公告)日：2022-06-02

申请号：US17602268

申请日：2020-04-08

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki ITOI ,  Yuki NAKANO ,  Satomi TASAKI ,  Taro YAMAKI ,  Tetsuya MASUDA

IPC: H01L51/00

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 comprises an emitting layer and a first layer, the first layer is disposed between the cathode and the emitting layer, the emitting layer comprises one or both of a compound represented by the following formula (1A) and a compound represented by the following formula (1B), and the first layer comprises a compound represented by the following formula (BE1):

公开(公告)号：US20220059775A1

公开(公告)日：2022-02-24

申请号：US17311040

申请日：2019-06-14

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yuki NAKANO ,  Satomi TASAKI ,  Kazuki NISHIMURA ,  Tomoki KATO

IPC: H01L51/00

Abstract: An organic electroluminescence device comprising: a cathode; an anode; and an organic layer disposed between the cathode and the anode, wherein the organic layer includes an emitting layer and a first layer; the first layer is disposed between the cathode and the emitting layer; the emitting layer contains a compound represented by the following formula (A1); and the first layer contains a compound represented by the following formula (B1).

公开(公告)号：US20210296591A1

公开(公告)日：2021-09-23

申请号：US17251339

申请日：2019-06-14

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yuki NAKANO ,  Satomi TASAKI ,  Kazuki NISHIMURA ,  Tomoki KATO

IPC: H01L51/00 ,  C07D487/22 ,  C09K11/06 ,  C07D491/22 ,  C07D209/86 ,  C07C211/61 ,  C07D307/91 ,  C07F7/08 ,  C07D405/12

Abstract: An organic electroluminescence device comprising: cathode; anode; and organic layer disposed between cathode and anode, wherein organic layer comprises a emitting layer and a first layer, the first layer being disposed between anode and emitting layer, and immediately adjoining emitting layer, emitting layer comprising a compound represented by formula (A1) and the first layer comprising a compound represented by formula (B1) or formula (C1) below.

公开(公告)号：US20210005826A1

公开(公告)日：2021-01-07

申请号：US16500073

申请日：2018-04-03

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Satomi TASAKI ,  Kazuki NISHIMURA ,  Yuki NAKANO

IPC: H01L51/00 ,  C07D487/06 ,  C09K11/06 ,  C07D487/22

Abstract: An organic electroluminescence device comprising a cathode, an anode and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises a fluorescent emitting layer and the fluorescent emitting layer comprises a first compound, a second compound having a hole mobility larger than that of the first compound, and a dopant material showing a fluorescent spectrum with a half width of 30 nm or less; and an organic electroluminescence device comprising a cathode, an anode and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises a fluorescent emitting layer and the fluorescent emitting layer comprises a first compound, a third compound having an affinity larger than that of the first compound, and a dopant material showing a fluorescent spectrum with a half width of 30 nm or less and the content of the third compound in the fluorescent emitting layer is less than that of the first compound in the fluorescent emitting layer are excellent in their performance.

公开(公告)号：US20190386225A1

公开(公告)日：2019-12-19

申请号：US16484370

申请日：2018-02-13

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuki NAKANO ,  Satomi TASAKI ,  Keita SEDA ,  Ryota TAKAHASHI

IPC: H01L51/00 ,  C07D307/91 ,  C09K11/06

Abstract: To provide a compound represented by the following formula (1). At least one of R1 to R10 is a group represented by the following formula (2). At least one of Ar1 and Ar2 is a group represented by the following formula (3).

公开(公告)号：US20160172602A1

公开(公告)日：2016-06-16

申请号：US14908048

申请日：2015-06-19

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Toshinari OGIWARA ,  Kei YOSHIDA ,  Satomi TASAKI

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06

CPC classification number: H01L51/0071 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1059 ,  C09K2211/1088 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/5004 ,  H01L51/5012 ,  H01L2251/5384 ,  H01L2251/552

Abstract: An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound, a second compound and a third compound. The first compound is a compound represented by a formula (1) below. The second compound has a larger singlet energy than a singlet energy of the first compound. The third compound is a fluorescent compound.

Abstract translation: 有机电致发光器件包括阳极，发光层和阴极，其中发光层包括第一化合物，第二化合物和第三化合物。 第一化合物是由下式（1）表示的化合物。 第二化合物具有比第一化合物的单重态能更大的单重态能量。 第三化合物是荧光化合物。

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：US20240244856A1

公开(公告)日：2024-07-18

申请号：US18281298

申请日：2022-03-09

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kengo KISHINO ,  Satomi TASAKI ,  Kazuki NISHIMURA ,  Yoshiaki TAKAHASHI

IPC: H10K50/11 ,  C09K11/06 ,  H10K85/30 ,  H10K85/60 ,  H10K101/00 ,  H10K101/10 ,  H10K101/30

CPC classification number: H10K50/11 ,  C09K11/06 ,  H10K85/342 ,  H10K85/626 ,  H10K85/633 ,  H10K85/6574 ,  H10K85/658 ,  C09K2211/185 ,  H10K2101/10 ,  H10K2101/30 ,  H10K2101/90

Abstract: An organic EL device includes an anode, a cathode, and an emitting layer disposed between the anode and the cathode, in which the emitting layer includes a first emitting layer and a second emitting layer, 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, the first host material and the second host material are mutually different, the first luminescent compound and the second luminescent compound are mutually the same or different, a triplet energy of the first host material T1(H1) and a triplet energy of the second host material T1(H2) satisfy a relationship of Numerical Formula 1, and a diffusion coefficient D1 of the triplet energy of the first host material T1(H1) calculated according to a diffusion equation is 3.0×10−9 (cm2/s) or more,









T
1

(

H
⁢
1

)

>



T
1

(

H
⁢
2

)

.





(

Numerical
⁢

Formula
⁢

1

)