Patents by Inventor Pierre BOUFFLET

Pierre BOUFFLET has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250057046
    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.
    Type: Application
    Filed: July 25, 2024
    Publication date: February 13, 2025
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Pierre BOUFFLET, Michelle GROARKE, Yuichi NISHIMAE, Thomas SCHÄFER, Chao-Chen LIN
  • Publication number: 20240417413
    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).
    Type: Application
    Filed: October 13, 2022
    Publication date: December 19, 2024
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Daniela SUSTAC-ROMAN, Pierre BOUFFLET, Peter MURER
  • Publication number: 20240389459
    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.
    Type: Application
    Filed: July 29, 2022
    Publication date: November 21, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Yuichi NISHIMAE, Fabrice ECKES, Peter MURER, Pierre BOUFFLET
  • Publication number: 20240244972
    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.
    Type: Application
    Filed: January 10, 2024
    Publication date: July 18, 2024
    Applicant: IDEMITSU KOSAN CO., LTC.
    Inventors: Yuichi NISHIMAE, Fabrice ECKES, Peter MURER, Pierre BOUFFLET
  • Publication number: 20240155945
    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.
    Type: Application
    Filed: October 4, 2023
    Publication date: May 9, 2024
    Applicant: Idemitsu Kosan Co.,Ltd.
    Inventors: Chao-Chen LIN, Pierre BOUFFLET, Tilman BEIERLEIN, Thomas SCHAEFER, Peter MURER, Daniela SUSTAC-ROMAN
  • Publication number: 20230137925
    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.
    Type: Application
    Filed: June 18, 2021
    Publication date: May 4, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD
    Inventors: Thomas SCHAEFER, Pierre BOUFFLET, Sigma HASHIMOTO, Chao-Chen LIN
  • Publication number: 20230106429
    Abstract: A compound has, in a molecule, a cyclic structure represented by a formula (1) below; and at least one cyclic structure selected from the group consisting of a cyclic structure represented by a formula (10) below and a cyclic structure represented by a formula (11) below. In the formula (1): R1 to R16 are each independently a hydrogen atom, an alkyl group or the like; and RX and RY are each independently an alkyl group.
    Type: Application
    Filed: July 15, 2022
    Publication date: April 6, 2023
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yuichi NISHIMAE, Annemarie WOLLEB, Pierre BOUFFLET, Thomas SCHAEFER
  • Publication number: 20220109115
    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.
    Type: Application
    Filed: August 29, 2019
    Publication date: April 7, 2022
    Inventors: Yumiko MIZUKI, Michelle GROARKE, Pierre BOUFFLET, Natalia CHEBOTAREVA, Francois RIME