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：US20240138254A1

公开(公告)日：2024-04-25

申请号：US17766213

申请日：2020-09-28

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Tasuku HAKETA ,  Kazuki NISHIMURA

IPC: H10K85/60

CPC classification number: H10K85/631 ,  H10K85/633 ,  H10K85/636 ,  H10K50/156

Abstract: An organic electroluminescence device containing a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer contains an emitting layer, a first layer, and a second layer, the first layer is disposed between the anode and the emitting layer, the second layer is disposed between the anode and the first layer, the first layer contains a first hole-transporting material and a second hole-transporting material, and the second layer contains an acceptor material having an affinity value in the range of 3.8 to 6.0 eV and at least one hole-transporting material.

公开(公告)号：US20240099127A1

公开(公告)日：2024-03-21

申请号：US17766214

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 having: 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 anode and the emitting layer, and the first layer contains a first hole-transporting material represented by the following formula (1) and a second hole-transporting material represented by the following formula (11):

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：US20230159479A1

公开(公告)日：2023-05-25

申请号：US18158613

申请日：2023-01-24

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yu KUDO ,  Tasuku HAKETA ,  Hirokatsu ITO

IPC: C07D307/91 ,  H10K85/60

CPC classification number: C07D307/91 ,  H10K85/633 ,  H10K85/6574 ,  H10K50/12

Abstract: a compound represented by formula (A):




wherein Ar, R1 to R7, R11 to R14, R21 to R24, R31 to R34, *1, and R41 to R48 are as defined in the description provides organic electroluminescence devices with improved device performance.

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：US20220310930A1

公开(公告)日：2022-09-29

申请号：US17746587

申请日：2022-05-17

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Satomi TASAKI ,  Kazuki NISHIMURA ,  Tasuku HAKETA ,  Ryoji MAEDA ,  Yuki NAKANO ,  Hiroaki TOYOSHIMA

IPC: H01L51/00

Abstract: An organic electroluminescence device includes: a first emitting layer disposed between an anode and a cathode; a second emitting layer disposed between the first emitting layer and the cathode; and an electron blocking layer disposed between the first emitting layer and the anode, in which the first emitting layer and the second emitting layer are in direct contact with each other; the first emitting layer and the electron blocking layer are in direct contact with each other; the first emitting layer includes a first compound represented by a formula (1) below; the first compound includes at least one group represented by a formula (11) below; the second emitting layer includes a second compound represented by a formula (2); the electron blocking layer includes a third compound; and the third compound satisfies a formula (M1) below.

公开(公告)号：US20220069232A1

公开(公告)日：2022-03-03

申请号：US17291200

申请日：2019-11-07

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Tasuku HAKETA ,  Masatoshi SAITO ,  Yuki NAKANO ,  Satomi TASAKI ,  Kazuki NISHIMURA

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 comprises an emitting layer and an electron barrier layer, the electron barrier layer is disposed between the anode and the emitting layer and is directly adjacent to the emitting layer, the emitting layer comprises a first compound represented by any one of the specific formulas (21), (41), and (51), and the electron barrier layer comprises a second compound which satisfies the following expression (M1): Ip(HT)≥5.67 eV  (M1) wherein in the expression (M1), Ip(HT) is the ionization potential of the second compound.

公开(公告)号：US20180339994A1

公开(公告)日：2018-11-29

申请号：US15329167

申请日：2016-08-26

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yu KUDO ,  Yumiko MIZUKI ,  Masahiro KAWAMURA ,  Tomoki KATO ,  Hirokatsu ITO ,  Tasuku HAKETA ,  Yuichi NISHIMAE ,  Annemarie WOLLEB

IPC: C07D491/22

CPC classification number: C07D491/22 ,  C07D491/147 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1044 ,  C09K2211/1088 ,  C09K2211/185 ,  H01L51/0071 ,  H01L51/5012

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