公开(公告)号：US20240324459A1

公开(公告)日：2024-09-26

申请号：US18606768

申请日：2024-03-15

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Peter MURER ,  Chao-Chen LIN

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

CPC classification number: H10K85/658 ,  C07F5/027 ,  C09K11/06 ,  C09K2211/1018 ,  H10K50/12

Abstract: The present invention relates to specific compounds of formula (I), 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.

公开(公告)号：US20220336783A1

公开(公告)日：2022-10-20

申请号：US17657219

申请日：2022-03-30

Applicant: Idemitsu Kosan Co.,Ltd.

Inventor： Chao-Chen LIN ,  Tobias CANZLER ,  Natalia CHEBOTAREVA

IPC: H01L51/52 ,  H01L51/00 ,  C09K11/06

Abstract: An organic electroluminescence device may include a cathode, an anode, and an emitting layer disposed between the cathode and the anode, the emitting layer including: (i) at least one anthracene compound with a dipole moment of >1.0×10−30 Cm (0.3 debye); (ii) at least one organic fluorescent compound with (ii-a) an onset of fluorescence at lower energies than that of (i) and at an energy >2.6 eV, (ii-b) photoluminescence quantum yield >70%, and (ii-c) ionization potential >5.3 eV, as component (2); (iii) at least one organic compound with (iii-a) ionization potential

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：US20230209849A1

公开(公告)日：2023-06-29

申请号：US18065949

申请日：2022-12-14

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Chao-Chen LIN ,  Natalia CHEBOTAREVA

IPC: H10K50/11 ,  H10K85/60

CPC classification number: H10K50/11 ,  H10K85/615 ,  H10K85/622 ,  H10K85/631 ,  H10K2102/301

Abstract: An organic electroluminescence device includes a cathode, an anode and an emitting layer having an anode side and a cathode side disposed between the cathode and the anode, and a further layer next to the anode side of the emitting layer. The emitting layer contains: at least one compound with a dipole moment of less than 1.7·10−30 Cm (0.5 debye), as component (1); at least one organic fluorescent compound whose onset of fluorescence is at lower energies than that of component (1) and at an energy higher than 2.6 eV; and at least one organic compound whose ionization potential in absolute values is lower than 5.33 eV and whose onset of fluorescence is at higher energies than that of component (2), as component (3).

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.