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：US20250136569A1

公开(公告)日：2025-05-01

申请号：US18718576

申请日：2022-12-23

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yusuke TAKAHASHI ,  Hiroaki ITOI ,  Tsukasa SAWATO ,  Shota TANAKA ,  Takuto FUKAMI ,  Yongguk LEE ,  Tasuku HAKETA

IPC: C07D311/92 ,  C07B59/00 ,  C07D335/08 ,  C07D405/04 ,  C07D407/04 ,  C07D409/04 ,  H10K50/15 ,  H10K85/20 ,  H10K85/60 ,  H10K101/00 ,  H10K101/10 ,  H10K101/30

Abstract: To provide a compound for further improving the performance of an organic EL device, a material for an organic electroluminescent device, an organic electroluminescent device having further improved device capability, and an electronic device including such an organic electroluminescent device, and the compound is represented by formula (1). (Each symbol in the formula is as defined in the description.) In addition, the organic electroluminescent device contains the compound or has a highest occupied molecular orbital energy level HOMO, a triplet energy T1, and an 80% attenuation time t of a photoluminescence intensity PL within a predetermined range.

公开(公告)号：US20230047477A1

公开(公告)日：2023-02-16

申请号：US17285753

申请日：2019-10-16

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Satomi TASAKI ,  Taro YAMAKI ,  Hiroaki ITOI ,  Yuki NAKANO ,  Yuichiro KAWAMURA ,  Ryoji MAEDA ,  Kazuki NISHIMURA ,  Yongguk LEE

IPC: H01L51/00 ,  C09K11/06

Abstract: An organic electroluminescence device comprising: an anode, a cathode, and an emitting region between the anode and the cathode, wherein the emitting region comprises a first emitting layer and a second emitting layer, the first emitting layer and the second emitting layer are directly adjacent to each other, the first emitting layer is between the anode and the second emitting layer, and one of the first emitting layer and the second emitting layer comprises a compound having at least one deuterium atom.

公开(公告)号：US20220344594A1

公开(公告)日：2022-10-27

申请号：US17718847

申请日：2022-04-12

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Takeshi IKEDA ,  Yongguk LEE

IPC: H01L51/00

Abstract: A composition comprising a compound represented by the following formula (1) and a compound represented by the following formula (2), provided that the compound represented by the formula (1) and the compound represented by the formula (2) are different compounds:

公开(公告)号：US20220285625A1

公开(公告)日：2022-09-08

申请号：US17737954

申请日：2022-05-05

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Satomi TASAKI ,  Taro YAMAKI ,  Hiroaki ITOI ,  Yuki NAKANO ,  Yuichiro KAWAMURA ,  Ryoji MAEDA ,  Kazuki NISHIMURA ,  Yongguk LEE

IPC: H01L51/00 ,  C09K11/06

Abstract: An organic electroluminescence device comprising: an anode, a cathode, and an emitting region between the anode and the cathode, wherein the emitting region comprises a first emitting layer and a second emitting layer, the first emitting layer and the second emitting layer are directly adjacent to each other, the first emitting layer is between the anode and the second emitting layer, and one of the first emitting layer and the second emitting layer comprises a compound having at least one deuterium atom.

公开(公告)号：US20220393110A1

公开(公告)日：2022-12-08

申请号：US17633887

申请日：2020-12-25

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yongguk LEE ,  Ryoji MAEDA ,  Yuki NAKANO ,  Hiroaki ITOI

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic electroluminescence device including: a cathode; an anode; and at least one emitting layer disposed between the cathode and the anode, wherein the emitting layer contains a first host material, a second host material, and a dopant material, wherein the first host material is a compound represented by the following formula (1), the second host material is a compound represented by the following formula (2), and the first host material and the second host material are different compounds.

公开(公告)号：US20220376183A1

公开(公告)日：2022-11-24

申请号：US17633111

申请日：2020-12-25

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yongguk LEE ,  Ryoji MAEDA ,  Yuki NAKANO ,  Hiroaki ITOI

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

Abstract: An organic electroluminescence device, comprising a cathode, an anode, and at least one emitting layer disposed between the cathode and the anode, wherein the emitting layer contains a first host material, a second host material, and a dopant material, wherein the first host material is a compound represented by the following formula (1), the second host material is a compound represented by the following formula (2), and one or more selected from the group consisting of the compound represented by the formula (1) and the compound represented by the formula (2) have at least one deuterium atom.

公开(公告)号：US20210091313A1

公开(公告)日：2021-03-25

申请号：US17017186

申请日：2020-09-10

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Ryoji MAEDA ,  Satomi TASAKI ,  Kazuki NISHIMURA ,  Yongguk LEE

IPC: H01L51/00 ,  C09K11/02

Abstract: An organic electroluminescence device includes: an anode; a cathode; a first emitting layer, and a second emitting layer, in which the first emitting layer includes a first host material in a form of a first compound represented by a formula (1), the second emitting layer includes a second host material in a form of a second compound represented by a formula (2) and having at least one group represented by a formula (21), and the first emitting layer is in direct contact with the second emtting layer.