公开(公告)号：US20250057046A1

公开(公告)日：2025-02-13

申请号：US18784739

申请日：2024-07-25

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Pierre BOUFFLET ,  Michelle GROARKE ,  Yuichi NISHIMAE ,  Thomas SCHÄFER ,  Chao-Chen LIN

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06 ,  H10K50/12

Abstract: The present invention relates to specific compounds, a material, preferably an emitter material, for an organic electroluminescence device comprising said specific compounds, an organic electroluminescence device comprising said specific compounds, an electronic equipment comprising said organic electroluminescence device, a light emitting layer comprising at least one host and at least one dopant, wherein the dopant comprises at least one of said specific compounds, and the use of said compounds in an organic electroluminescence device. wherein at least one of R1, R2, R3 and R4 represents an alkyl group having from 1 to 20 carbon atoms which is unsubstituted or substituted or an amino group NR84R85, and at least one of R5, R6, R7 and R8 represents an aryl group having from 6 to 30 ring carbon atoms which is unsubstituted or substituted; or a heteroaryl group having from 5 to 30 ring atoms which is unsubstituted or substituted, whereby the aryl group or the heteroaryl group may bind back to an adjacent residue and form a ring structure; Y1 and Y2 each independently represents RY or a group of formula (II) wherein at least one of Y1 and Y2 is a group of formula (II).

公开(公告)号：US20220109115A1

公开(公告)日：2022-04-07

申请号：US17271871

申请日：2019-08-29

Applicant: Idemitsu Kosan Co.,Ltd.

Inventor： Yumiko MIZUKI ,  Michelle GROARKE ,  Pierre BOUFFLET ,  Natalia CHEBOTAREVA ,  Francois RIME

IPC: H01L51/00 ,  C07D493/04 ,  C09K11/06

Abstract: Specific polycyclic compounds of the general formula (I) and a process for their preparation, a material for an organic electroluminescence device comprising said compound, an organic electroluminescence device comprising said compound, an electronic equipment comprising said organic electroluminescence device, and the use of compounds according to general formula (I) in an organic electroluminescence device.

公开(公告)号：US20240417413A1

公开(公告)日：2024-12-19

申请号：US18703271

申请日：2022-10-13

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Daniela SUSTAC-ROMAN ,  Pierre BOUFFLET ,  Peter MURER

IPC: C07F5/02 ,  C07B59/00 ,  C09K11/06 ,  H10K85/20 ,  H10K85/60

Abstract: A compound represented by a formula (1). In the formula (1): a ring A1, a ring B1, a ring C1, and a ring D1 are each independently a substituted or unsubstituted ring; Za, Zb, Zc, and Zd are each independently a nitrogen atom or a carbon atom; the ring C1 and the ring D1 are mutually bonded to form a ring or not mutually bonded; R1 is a hydrogen atom, substituent, or the like; R1 is mutually bonded to the ring A1 to form a ring or not mutually bonded; R1 is mutually bonded to the ring B1 to form a ring or not mutually bonded; and at least one of R1, the ring A1, the ring B1, the ring C1, or the ring D1 has a group represented by —N(R1A)(R2A).

公开(公告)号：US20240389459A1

公开(公告)日：2024-11-21

申请号：US18682946

申请日：2022-07-29

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yuichi NISHIMAE ,  Fabrice ECKES ,  Peter MURER ,  Pierre BOUFFLET

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06 ,  H10K50/12

Abstract: Specific compounds, a material, preferably an emitter material, may be suitable for an organic electroluminescence device, and be of formula (I): An organic electroluminescence device may include such compounds. An electronic equipment may include such an organic electroluminescence device. A light emitting layer may include at least one host and at least one dopant, the dopant including at least one of such compounds. Such compounds may be used in an organic electroluminescence device.

公开(公告)号：US20240244972A1

公开(公告)日：2024-07-18

申请号：US18408568

申请日：2024-01-10

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yuichi NISHIMAE ,  Fabrice ECKES ,  Peter MURER ,  Pierre BOUFFLET

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/02 ,  C09K11/06 ,  H10K50/12

CPC classification number: H10K85/658 ,  C07F5/027 ,  C09K11/02 ,  C09K11/06 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  C07B2200/05 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1022 ,  H10K50/12

Abstract: Specific compounds, a material, preferably an emitter material, may be suitable for an organic electroluminescence device, and be of formula (I):




An organic electroluminescence device may include such compounds. An electronic equipment may include such an organic electroluminescence device. A light emitting layer may include at least one host and at least one dopant, the dopant including at least one of such compounds. Such compounds may be used in an organic electroluminescence device.

公开(公告)号：US20240155945A1

公开(公告)日：2024-05-09

申请号：US18480633

申请日：2023-10-04

Applicant: Idemitsu Kosan Co.,Ltd.

Inventor： Chao-Chen LIN ,  Pierre BOUFFLET ,  Tilman BEIERLEIN ,  Thomas SCHAEFER ,  Peter MURER ,  Daniela SUSTAC-ROMAN

IPC: H10K85/60 ,  C09K11/02 ,  C09K11/06 ,  H10K85/20

CPC classification number: H10K85/658 ,  C09K11/02 ,  C09K11/06 ,  H10K85/20 ,  H10K85/615 ,  H10K85/622 ,  H10K85/633 ,  H10K85/6572 ,  H10K85/6574 ,  H10K2101/30

Abstract: An organic emitter represented by formula (I):




having a highest occupied molecular orbital (HOMO) of more than 70% electron density localized on the Ar1Ar2N-L unit and having an energy of lower than 4.9 eV in absolute numbers, a HOMO-1 having more than 70% electron density localized on the BD unit and an energy higher than 4.75 eV in absolute numbers, and a lowest unoccupied molecular orbital (LUMO) having more than 70% electron density localized on the BD unit. A compound represented by formula (I), where BD is a group selected from the following formulas:




A material for an organic electroluminescence device, which contains the compound. An electronic equipment containing the organic electroluminescence device. A light emitting layer containing at least one host and at least one dopant, where the dopant contains the compound.

公开(公告)号：US20230137925A1

公开(公告)日：2023-05-04

申请号：US18001661

申请日：2021-06-18

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Thomas SCHAEFER ,  Pierre BOUFFLET ,  Sigma HASHIMOTO ,  Chao-Chen LIN

IPC: H10K85/30 ,  C07F5/02 ,  C09K11/06

Abstract: Heterocyclic compounds of the general structure (I) below with substituents as defined herein, and materials including one or more such compounds, preferably emitter materials, may be used for an organic electroluminescence device. An organic electroluminescence device may include one or more such specific heterocyclic compounds, as may electronic equipment and a light emitting layer further having at least one host and at least one dopant, wherein the dopant may have at least one of the specific heterocyclic compounds.