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).

  • 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
  • Patent number: 11201296
    Abstract: The present invention describes fluorene derivatives substituted by electron-transporting groups, especially for use as triplet matrix materials in electronic devices. The invention further relates to a process for preparing the compounds of the invention and to electronic devices comprising these.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: December 14, 2021
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Thomas Eberle, Anja Jatsch, Tobias Grossmann, Jonas Valentin Kroeber
  • Patent number: 11121327
    Abstract: The invention relates to polycondensed lactam compounds as materials for use in electronic devices, and electronic devices, in particular organic electroluminescent devices, containing said materials.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: September 14, 2021
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Christof Pflumm, Thomas Eberle, Anja Jatsch, Elvira Montenegro, Jonas Valentin Kroeber, Rouven Linge
  • Patent number: 11121323
    Abstract: The present invention relates to a compound of the formula (I), (II) or (III), to the use of the compound in an electronic device, and to an electronic device comprising a compound of the formula (I), (II) or (III). The present invention furthermore relates to a process for the preparation of a compound of the formula (I), (II) or (III) and to a formulation comprising one or more compounds of the formula (I), (II) or (III).
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: September 14, 2021
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Arne Buesing, Christof Pflumm, Teresa Mujica-Fernaud, Philipp Stoessel, Thomas Eberle, Frank Voges
  • Patent number: 11098019
    Abstract: Fluorene derivatives that are connected in one or more of the 1-, 1?-, 4-, or 4?-positions in any combination to a carbon atom of a diaryl substituted triazinyl or pyrimidinyl derivative. The fluorene derivatives are not spirobifluorene derivatives. 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: July 1, 2016
    Date of Patent: August 24, 2021
    Assignee: Merck Patent GmbH
    Inventors: Anja Jatsch, Amir Hossain Parham, Thomas Eberle, Tobias Grossmann, Jonas Valentin Kroeber
  • Publication number: 20210217966
    Abstract: The present invention relates to carbazole derivatives, in particular for use as triplet matrix materials in organic electroluminescent devices. The invention further relates to a method for producing the compounds according to the invention and to electronic devices comprising same.
    Type: Application
    Filed: March 24, 2021
    Publication date: July 15, 2021
    Inventors: Amir Hossain PARHAM, Thomas EBERLE, Anja JATSCH, Christof PFLUMM, Jonas Valentin KROEBER
  • Publication number: 20210151682
    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: January 22, 2021
    Publication date: May 20, 2021
    Inventors: Teresa MUJICA-FERNAUD, Elvira MONTENEGRO, Amir Hossain PARHAM, Arne BUESING, Frank VOGES
  • Patent number: 10991892
    Abstract: The present invention relates to carbazole derivatives, in particular for use as triplet matrix materials in organic electroluminescent devices. The invention further relates to a method for producing the compounds according to the invention and to electronic devices comprising same.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: April 27, 2021
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Thomas Eberle, Anja Jatsch, Christof Pflumm, Jonas Valentin Kroeber
  • Patent number: 10985330
    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: Grant
    Filed: June 7, 2019
    Date of Patent: April 20, 2021
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Tobias Grossmann, Anja Jatsch, Thomas Eberle, Jonas Kroeber, Christof Pflumm, Lars Dobelmann-Mara
  • Patent number: 10961230
    Abstract: The present invention describes amines with dibenzofuran or dibenzothiophene groups in combination with carbazole, 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 compounds.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: March 30, 2021
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Thomas Eberle, Anja Jatsch, Tobias Grossmann, Jonas Valentin Kroeber, Elvira Montenegro, Dominik Joosten, Caroline Wern
  • Patent number: 10957859
    Abstract: The present invention relates to heterocyclic compounds and to electronic devices, especially organic electroluminescent devices, comprising these compounds.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: March 23, 2021
    Assignee: Merck Patent GmbH
    Inventors: Anja Jatsch, Amir Hossain Parham, Thomas Eberle, Tobias Grossmann, Jonas Valentin Kroeber
  • Patent number: 10957864
    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: May 6, 2019
    Date of Patent: March 23, 2021
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Anja Jatsch, Tobias Grossmann, Thomas Eberle, Jonas Valentin Kroeber, Rouven Linge
  • Patent number: 10944058
    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: December 6, 2017
    Date of Patent: March 9, 2021
    Assignee: Merck Patent GmbH
    Inventors: Teresa Mujica-Fernaud, Elvira Montenegro, Amir Hossain Parham, Arne Buesing, Frank Voges
  • Patent number: 10934292
    Abstract: The present invention relates inter alia to organic compounds, compositions, formulations and electronic devices.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: March 2, 2021
    Assignee: Merck Patent GmbH
    Inventors: Anja Jatsch, Philipp Stoessel, Amir Hossain Parham, Tobias Grossmann, Jonas Valentin Kroeber, Thomas Eberle, Herwig Buchholz
  • Patent number: 10903430
    Abstract: The present invention relates to compounds, compositions and formulations comprising same and to opto-electronic devices comprising the compounds and compositions according to the invention.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: January 26, 2021
    Assignee: Merck Patent GmbH
    Inventors: Anja Jatsch, Amir Hossain Parham, Thomas Eberle, Tobias Grossmann, Jonas Valentin Kroeber
  • Patent number: 10777750
    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: November 21, 2014
    Date of Patent: September 15, 2020
    Assignee: BASF SE
    Inventors: Amir Hossain Parham, Elvira Montenegro, Anja Jatsch, Christof Pflumm, Jonas Valentin Kroeber, Tobias Grossmann, Thomas Eberle, Lars Dobelmann
  • Publication number: 20200270235
    Abstract: The present invention describes carbazolyl compounds substituted by electron-deficient heteroaryl 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: May 12, 2020
    Publication date: August 27, 2020
    Inventors: Amir Hossain Parham, Aurélie LUDEMANN, Dominik JOOSTEN, Tobias GROSSMANN, Jonas Valentin KROEBER
  • Publication number: 20200266364
    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: May 7, 2020
    Publication date: August 20, 2020
    Applicant: 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: 20200251660
    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: March 4, 2020
    Publication date: August 6, 2020
    Inventors: Amir Hossain Parham, Anja JATSCH, Thomas EBERLE, Tobias GROSSMANN, Jonas Valentin KROEBER, Lars DOBELMANN-MARA
  • Patent number: 10734587
    Abstract: The present invention relates to a formulation comprising organic materials for the production of organic electronic devices having a low failure rate.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: August 4, 2020
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Philipp Stoessel, Christof Pflumm, Anja Jatsch, Joachim Kaiser, Anna Hayer