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).

  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20230389344
    Abstract: The present invention relates to an organic electroluminescent device comprising a light-emitting layer 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) comprising diazadibenzofuran or diazadibenzothiophene units. The hole-transporting host material corresponds to a compound of the formula (2) from the class of the biscarbazoles or the derivatives thereof.
    Type: Application
    Filed: September 21, 2021
    Publication date: November 30, 2023
    Inventors: Amir Hossain PARHAM, Jonas Valentin KROEBER, Christian EICKHOFF, Christian EHRENREICH
  • MATERIALS FOR ELECTRONIC DEVICES
    Publication number: 20230371372
    Abstract: The application relates to heterocyclic compounds of formulae (IV) to (VII), to the use of said compounds in an electronic device, and to methods for producing said compounds.
    Type: Application
    Filed: March 22, 2021
    Publication date: November 16, 2023
    Inventors: Amir Hossain PARHAM, Christian EHRENREICH, Jens ENGELHART
  • MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
    Publication number: 20230337537
    Abstract: 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 device.
    Type: Application
    Filed: March 19, 2021
    Publication date: October 19, 2023
    Inventor: Amir Hossain PARHAM
  • MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
    Publication number: 20230295104
    Abstract: The present invention relates to compounds suitable for use in electronic devices, and to electronic devices, especially organic electroluminescent devices, comprising these compounds.
    Type: Application
    Filed: August 16, 2021
    Publication date: September 21, 2023
    Inventors: Amir Hossain PARHAM, Philipp STOESSEL, Christian EHRENREICH, Jonas Valentin KROEBER, Christian EICKHOFF
  • MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
    Publication number: 20230292596
    Abstract: The present 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: August 3, 2021
    Publication date: September 14, 2023
    Inventors: Amir Hossain PARHAM, Christian EHRENREICH, Jens ENGELHART
  • ORGANIC ELECTROLUMINESCENT APPARATUS
    Publication number: 20230255106
    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 the fused carbazole derivatives containing an asymmetrically substituted pyrimidine or triazine unit.
    Type: Application
    Filed: May 26, 2021
    Publication date: August 10, 2023
    Inventors: Amir Hossain PARHAM, Christian EHRENREICH, Jonas Valentin KROEBER
  • COMPOUNDS AND ORGANIC ELECTRONIC DEVICES
    Publication number: 20230217811
    Abstract: The present invention relates to certain fluorenes, to the use of the compounds in an electronic device, and to an electronic device comprising at least one of these compounds. The present invention furthermore relates to a process for the preparation of the compounds and to a formulation and composition comprising one or more of the compounds.
    Type: Application
    Filed: February 20, 2023
    Publication date: July 6, 2023
    Inventors: Teresa MUJICA-FERNAUD, Elvira MONTENEGRO, Amir Hossain PARHAM, Arne BUESING, Frank VOGES
  • MATERIALS FOR ELECTRONIC DEVICES
    Publication number: 20230210004
    Abstract: The invention relates to compounds comprising functional substituents in a specific spatial arrangement, devices containing same, and the preparation and use thereof.
    Type: Application
    Filed: February 20, 2023
    Publication date: June 29, 2023
    Inventors: Amir Hossain Parham, Irina Martynova, Anja Jatsch, Thomas Eberle, Jonas Valentin Kroeber, Christof Pflumm
  • ORGANIC ELECTROLUMINESCENT APPARATUS
    Publication number: 20230172062
    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 pyridine, pyrimidine or triazine unit substituted by a dibenzofuran or dibenzothiophene.
    Type: Application
    Filed: March 8, 2021
    Publication date: June 1, 2023
    Inventors: Amir Hossain PARHAM, Jonas Valentin KROEBER, Jens ENGELHART, Christian EHRENREICH, Christian EICKHOFF
  • MULTI-LAYER BODY FOR DIFFUSE TRANSILLUMINATION
    Publication number: 20230151026
    Abstract: The present invention relates to compounds suitable for use in electronic devices, and to electronic devices, especially organic electroluminescent devices, comprising these compounds.
    Type: Application
    Filed: March 30, 2021
    Publication date: May 18, 2023
    Inventors: Amir Hossain PARHAM, Christian EHRENREICH, Jens ENGELHART
  • ORGANIC ELECTROLUMINESCENT APPARATUS
    Publication number: 20230157151
    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 dibenzofuran or dibenzothiophene derivatives containing a substituted pyridine, pyrimidine or triazine unit and a substituted further dibenzofuran or dibenzothiophene unit.
    Type: Application
    Filed: March 8, 2021
    Publication date: May 18, 2023
    Inventors: Amir Hossain PARHAM, Christian EHRENREICH
  • MATERIALS FOR ORGANIC LIGHT EMITTING DEVICES
    Publication number: 20230138502
    Abstract: The present invention describes carbazole, dibenzofuran, dibenzothiophene and fluorene derivatives which are substituted by electron-deficient heteroaryl groups, 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 these compounds.
    Type: Application
    Filed: November 25, 2022
    Publication date: May 4, 2023
    Inventors: Amir Hossain PARHAM, Anja JATSCH, Thomas EBERLE, Tobias GROSSMANN, Jonas Valentin KROEBER, Lars DOBELMANN-MARA
  • COMPOUNDS FOR ELECTRONIC DEVICES
    Publication number: 20230138100
    Abstract: The present application relates to a compound of a formula (I), to the use thereof in electronic devices, to processes for preparing the compound, and electronic devices comprising the compound.
    Type: Application
    Filed: December 17, 2020
    Publication date: May 4, 2023
    Inventors: Amir Hossain PARHAM, Elvira MONTENEGRO
  • Compounds and organic electronic devices
    Patent number: 11641775
    Abstract: The present invention relates to certain fluorenes, to the use of the compounds in an electronic device, and to an electronic device comprising at least one of these compounds. The present invention furthermore relates to a process for the preparation of the compounds and to a formulation and composition comprising one or more of the compounds.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: May 2, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Teresa Mujica-Fernaud, Elvira Montenegro, Amir Hossain Parham, Arne Buesing, Frank Voges
  • MATERIALS FOR ORGANIC LIGHT EMITTING DEVICES
    Publication number: 20230125939
    Abstract: The present invention describes carbazole, dibenzofuran, dibenzothiophene and fluorene derivatives which are substituted by electron-deficient heteroaryl groups, 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 these compounds.
    Type: Application
    Filed: November 25, 2022
    Publication date: April 27, 2023
    Inventors: Amir Hossain PARHAM, Anja JATSCH, Thomas EBERLE, Tobias GROSSMANN, Jonas Valentin KROEBER, Lars DOBELMANN-MARA
  • HETEROCYCLIC SPIRO COMPOUNDS
    Publication number: 20230126850
    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: Application
    Filed: December 12, 2022
    Publication date: April 27, 2023
    Inventors: Amir Hossain PARHAM, Elvira MONTENEGRO, Anja JATSCH, Christof PFLUMM, Jonas Valentin KROEBER, Tobias GROSSMANN, Thomas EBERLE, Lars DOBELMANN-MARA
  • Materials for organic light emitting devices
    Patent number: 11626561
    Abstract: The present invention describes carbazole, dibenzofuran, dibenzothiophene and fluorene derivatives which are substituted by electron-deficient heteroaryl groups, 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 these compounds.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: April 11, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Amir Hossain Parham, Anja Jatsch, Thomas Eberle, Tobias Grossmann, Jonas Valentin Kroeber, Lars Dobelmann-Mara
  • Materials for organic electroluminescent devices
    Patent number: 11608327
    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: Grant
    Filed: February 6, 2017
    Date of Patent: March 21, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Amir Hossain Parham, Thomas Eberle, Anja Jatsch, Tobias Grossmann, Jonas Valentin Kroeber, Elvira Montenegro, Caroline Wern
  • Organic electroluminescent device
    Patent number: 11611046
    Abstract: The present invention relates to organic electroluminescent devices, the emitting layer thereof containing a blend of a luminescent material having a narrow singlet-triplet gap and a fluorescent emission material having high steric shielding.
    Type: Grant
    Filed: February 18, 2015
    Date of Patent: March 21, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Philipp Stoessel, Amir Hossain Parham, Christof Pflumm, Anja Jatsch, Joachim Kaiser
  • MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
    Publication number: 20230067309
    Abstract: The present invention describes dibenzofuran derivatives substituted by electron-deficient heteroaryl groups, and electronic devices, especially organic electroluminescent devices, comprising these compounds as triplet matrix materials.
    Type: Application
    Filed: December 15, 2020
    Publication date: March 2, 2023
    Inventors: Rouven LINGE, Amir Hossain PARHAM, Sebastian MEYER, Anna HAYER, Nils KOENEN