Patents by Inventor Amir Hossain Parham

Amir Hossain Parham 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: 20230006143
    Abstract: The present invention relates to an organic electroluminescent device containing a mixture which comprises an electron-transporting host material and a hole-transporting host material, to a formulation comprising a mixture of the host materials and to a mixture comprising the host materials. The electron-transporting host material corresponds to a compound of the formula (1) from the class of compounds containing two triazine units. The hole-transporting host material corresponds to a compound of the formula (2) from the class of the biscarbazoles or derivatives thereof.
    Type: Application
    Filed: September 15, 2020
    Publication date: January 5, 2023
    Inventors: Amir Hossain PARHAM, Jonas Valentin KROEBER, Jens ENGELHART, Christian EHRENREICH, Christian EICKHOFF
  • Publication number: 20230002416
    Abstract: The present invention relates to a compound of the formula (1), to the use of the compound in an electronic device, and to an electronic device comprising a compound of the formula (1). The present invention furthermore relates to a formulation comprising one or more compounds of the formula (1).
    Type: Application
    Filed: November 2, 2020
    Publication date: January 5, 2023
    Inventors: Amir Hossain PARHAM, Philipp STOESSEL
  • Patent number: 11545634
    Abstract: The present invention relates to spiro compounds containing electron-conducting groups and to electronic devices, in particular organic electroluminescent devices, comprising these compounds.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: January 3, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Amir Hossain Parham, Elvira Montenegro, Anja Jatsch, Christof Pflumm, Jonas Valentin Kroeber, Tobias Grossman, Thomas Eberle, Lars Dobelmann-Mara
  • Publication number: 20220407013
    Abstract: The present invention relates to an organic electroluminescent device comprising a mixture comprising an electron-transporting host material and a hole-transporting host material, and to a formulation comprising a mixture of the host materials and to a mixture comprising the host materials. The electron-transporting host material corresponds to a compound of the formula (1) from the class of compounds containing a bispirofluorenyl unit.
    Type: Application
    Filed: November 2, 2020
    Publication date: December 22, 2022
    Inventors: Amir Hossain PARHAM, Jonas Valentin KROEBER, Jens ENGELHART, Christian EHRENREICH, Christian EICKHOFF
  • Publication number: 20220384735
    Abstract: The present application relates to compounds of a formula (I), to processes for preparing the compounds, and to electronic devices comprising one or more of the compounds.
    Type: Application
    Filed: September 17, 2020
    Publication date: December 1, 2022
    Inventors: Amir Hossain PARHAM, Christian EHRENREICH, Jens ENGELHART
  • Publication number: 20220285626
    Abstract: The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.
    Type: Application
    Filed: May 9, 2022
    Publication date: September 8, 2022
    Inventors: Elvira MONTENEGRO, Amir Hossain PARHAM, Philipp STOESSEL, Teresa MUJICA-FERNAUD, Frank VOGES, Arne BUESING
  • Patent number: 11387414
    Abstract: The present invention relates to spirobifluorene compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: July 12, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Elvira Montenegro, Amir Hossain Parham, Philipp Stoessel, Teresa Mujica-Fernaud, Frank Voges, Arne Buesing
  • Publication number: 20220216424
    Abstract: The invention relates to compounds which are suitable for use in electronic devices, and to electronic devices, in particular organic electroluminescent devices, containing said compounds.
    Type: Application
    Filed: March 23, 2020
    Publication date: July 7, 2022
    Inventors: Amir Hossain PARHAM, Jonas Valentin KROEBER, Jens ENGELHART, Anja JATSCH, Christian EICKHOFF, Christian EHRENREICH
  • Publication number: 20220177478
    Abstract: The invention relates to compounds which are suitable for use in electronic devices, and to electronic devices, in particular organic electroluminescent devices, containing said compounds.
    Type: Application
    Filed: March 17, 2020
    Publication date: June 9, 2022
    Inventors: Amir Hossain PARHAM, Jonas Valentin KROEBER, Jens ENGELHART, Anja JATSCH, Christian EICKHOFF, Christian EHRENREICH
  • Patent number: 11355714
    Abstract: The present invention relates to compounds comprising a heterocyclic group substituted with a fluoranthene group and a particular aromatic or heteroaromatic group. The compounds are suitable for use in electronic devices, in particular organic electroluminescent devices, comprising these compounds. In some embodiments, the compounds are used as matrix materials for phosphorescent or fluorescent emitters as well as a hole-blocking or an electron-transport layer.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: June 7, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Amir Hossain Parham, Tobias Grossmann, Jonas Valentin Kroeber
  • Publication number: 20220165961
    Abstract: The present invention describes dibenzofuran and dibenzothiophene derivatives, in particular for use as triplet matrix materials in organic electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising same.
    Type: Application
    Filed: February 3, 2022
    Publication date: May 26, 2022
    Inventors: Amir Hossain PARHAM, Tobias Grossmann, Thomas Eberle, Anja Jatsch, Jonas Valentin Kroeber, Lars Dobelmann-Mara
  • Publication number: 20220119373
    Abstract: The present invention describes amines with dibenzofuran, dibenzothiophene and fluorene groups, especially for use as triplet matrix materials in organic electroluminescent devices. The invention further relates to a process for preparing the compounds of the invention and to electronic devices comprising these.
    Type: Application
    Filed: December 29, 2021
    Publication date: April 21, 2022
    Inventors: Amir Hossain PARHAM, Thomas EBERLE, Anja JATSCH, Tobias GROSSMANN, Jonas Valentin KROEBER, Elvira MONTENEGRO, Caroline WERN
  • Patent number: 11309497
    Abstract: The present invention describes dibenzofuran and dibenzothiophene derivatives, in particular for use as triplet matrix materials in organic electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising same.
    Type: Grant
    Filed: July 3, 2015
    Date of Patent: April 19, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Amir Hossain Parham, Tobias Grossmann, Thomas Eberle, Anja Jatsch, Jonas Valentin Kroeber, Lars Dobelmann-Mara
  • Patent number: 11276823
    Abstract: The present invention relates to spirobifluorene compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: March 15, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Elvira Montenegro, Amir Hossain Parham, Philipp Stoessel, Teresa Mujica-Fernaud, Frank Voges, Arne Buesing
  • Publication number: 20220073531
    Abstract: The present invention relates to condensed N-heteroaromatic compounds, to processes for preparing these compounds, and to electronic devices containing said compounds.
    Type: Application
    Filed: November 29, 2019
    Publication date: March 10, 2022
    Inventors: Amir Hossain PARHAM, Jens ENGELHART, Christian EICKHOFF, Christian EHRENREICH, Jonas Valentin KROEBER
  • Publication number: 20220069231
    Abstract: The present invention relates to compounds of the formula (1) and mixture comprising these compounds, which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds and mixtures.
    Type: Application
    Filed: July 17, 2019
    Publication date: March 3, 2022
    Inventors: Amir Hossain PARHAM, Jonas Valentin KROEBER, Jens ENGELHART, Anja JATSCH, Christian EICKHOFF, Christian EHRENREICH
  • Patent number: 11264575
    Abstract: The present invention relates to compounds of the formula (1), (17) 18) or (20) and to the use thereof in electronic devices, and to electronic devices which contain these compounds. The invention furthermore relates to the preparation of the compounds of the formula (1), (17) 18) or (20) and to formulations contains one or more compounds of the formula (1), (17) 18) or (20).
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: March 1, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Constanze Brocke, Christof Pflumm, Amir Hossain Parham, Rocco Fortte
  • Publication number: 20220059774
    Abstract: The application relates to compounds having functional substituents in a specific spatial arrangement, to devices comprising same, and to the preparation and use thereof.
    Type: Application
    Filed: March 9, 2021
    Publication date: February 24, 2022
    Inventors: Amir Hossain PARHAM, Tobias GROSSMANN, Anja JATSCH, Thomas EBERLE, Jonas KROEBER, Christof PFLUMM, Lars DOBELMANN-MARA
  • Patent number: 11245079
    Abstract: The invention relates to compounds which are suitable for use in electronic devices, and electronic devices, in particular organic electroluminescent devices, containing said compounds.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: February 8, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Anja Jatsch, Tobias Grossmann, Amir Hossain Parham, Thomas Eberle, Christof Pflumm, Jonas Kroeber, Philipp Stoessel, Elvira Montenegro, Rouven Linge
  • Patent number: 11208401
    Abstract: The present invention relates to compounds which are suitable for use in electronic devices, and to electronic devices, in particular organic electroluminescent devices, comprising these compounds. The compounds have a dibenzofuran, dibenzothiophene or a fluorene group substituted in the 1-position, either directly or through a linking group, to a carbon atom of a heteroaromatic group with one or two nitrogen atoms in a bicyclic 6/6 core, or to a carbon or nitrogen atom of a heteroaromatic group with two nitrogen atoms in a bicyclic 5/6 core and is further substituted with a group selected from dibenzofuran, dibenzothiophene, fluorene or carbazole.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: December 28, 2021
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Anja Jatsch, Thomas Eberle, Tobias Grossmann, Jonas Valentin Kroeber, Lars Dobelmann-Mara