Patents by Inventor Christian EICKHOFF

Christian EICKHOFF 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: 20240083891
    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 these compounds.
    Type: Application
    Filed: January 3, 2022
    Publication date: March 14, 2024
    Inventors: Amir Hossain PARHAM, Philipp STOESSEL, Christian EHRENREICH, Jonas Valentin KROEBER, Christian EICKHOFF
  • 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
  • Patent number: 11778907
    Abstract: The present invention relates to a composition comprising a bipolar host and an electron-transporting host, especially for use as matrix material in electronic devices, especially organic electroluminescent devices, and especially in an organic light-emitting diode (OLED). The invention further relates to electronic devices comprising said composition.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: October 3, 2023
    Assignee: Merck Patent GmbH
    Inventors: Amir Parham, Jonas Kroeber, Christian Eickhoff, Tobias Grossmann, Aurélie Ludemann, Dominik Joosten
  • 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
  • Publication number: 20230234937
    Abstract: The present invention relates indenoazanaphthalenes, particularly for use in electronic devices. The invention further relates to a method for producing the indenoazanaphthalenes according to the invention, and to electronic devices comprising the same.
    Type: Application
    Filed: June 15, 2021
    Publication date: July 27, 2023
    Inventors: Jens ENGELHART, Margarita WUCHERER-PLIETKER, Sebastian MEYER, Christian EICKHOFF
  • Publication number: 20230217812
    Abstract: The present invention relates to a light-emitting device and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including an emission layer, wherein: the interlayer may further include a hole transport region between the emission layer and the first electrode, the hole transport region may include a first layer and a second layer, the second layer being between the first layer and the emission layer, the first layer may include a first amine-based compound, the second layer may include a second amine-based compound, and the first amine-based compound and the second amine-based compound may be different from each other.
    Type: Application
    Filed: December 22, 2022
    Publication date: July 6, 2023
    Inventors: Mikyung Kim, Elvira Montenegro, Jens Engelhart, Christian Eickhoff, Suhwan Na, Hyerim Kim, Jihyun Seo, Hyunsu Shin, Hanbyul Jang
  • 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
  • Publication number: 20230150987
    Abstract: The present invention relates to a composition which comprises an electron-transporting host and a hole-transporting host, to the use thereof in electronic devices and to electronic devices containing this composition. The electron-transporting host is particularly preferably selected from the class of the triazine-dibenzofuran-carbazole systems or the class of the triazine-dibenzothiophene-carbazole systems. The hole-transporting host is preferably selected from the class of the biscarbazoles.
    Type: Application
    Filed: December 29, 2022
    Publication date: May 18, 2023
    Inventors: Amir PARHAM, Jonas Kroeber, Tobias Grossmann, Anja Jatsch, Christian Eickhoff, Christrian Ehrenreich
  • Patent number: 11621396
    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: Grant
    Filed: October 2, 2018
    Date of Patent: April 4, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Amir Parham, Jonas Kroeber, Jens Engelhart, Anja Jatsch, Christian Eickhoff, Christian Ehrenreich
  • Publication number: 20230080974
    Abstract: The present invention relates to a composition comprising an electron-transporting host and a hole-transporting host, to the use thereof in electronic devices and electronic devices comprising said composition. The electron-transporting host is more preferably selected from the class of the triazine-dibenzofuran-carbazole systems or the class of the triazine-dibenzothiophene-carbazole systems. The hole-transporting host is preferably selected from the class of biscarbazoles.
    Type: Application
    Filed: December 20, 2019
    Publication date: March 16, 2023
    Inventors: Amir PARHAM, Jonas KROEBER, Jens ENGELHART, Christian EHRENREICH, Christian EICKHOFF
  • Patent number: 11591320
    Abstract: The present invention relates to a composition which comprises an electron-transporting host and a hole-transporting host, to the use thereof in electronic devices and to electronic devices containing this composition. The electron-transporting host is particularly preferably selected from the class of the triazine-dibenzofuran-carbazole systems or the class of the triazine-dibenzothiophene-carbazole systems. The hole-transporting host is preferably selected from the class of the biscarbazoles.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: February 28, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Amir Parham, Jonas Kroeber, Tobias Grossmann, Anja Jatsch, Christian Eickhoff, Christian Ehrenreich
  • Publication number: 20230058635
    Abstract: The present application relates to an electronic device, to the use thereof, and to a process for production thereof.
    Type: Application
    Filed: October 28, 2019
    Publication date: February 23, 2023
    Inventors: Florian MAIER-FLAIG, Christian EICKHOFF, Frank VOGES, Elvira MONTENEGRO, Teresa MUJICA-FERNAUD, Rémi Manouk ANÉMIAN, Aaron LACKNER, Jens ENGELHART
  • Patent number: 11581497
    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: Grant
    Filed: July 8, 2019
    Date of Patent: February 14, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Amir Parham, Jonas Kroeber, Jens Engelhart, Christian Ehrenreich, Christian Eickhoff, Jens Kaiser
  • 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: 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: 20220384732
    Abstract: The invention relates to heteroaromatic, polycyclic condensed compounds according to the formulae (i) and (ii) defined below. Said compounds are suitable for use in electronic devices.
    Type: Application
    Filed: July 5, 2019
    Publication date: December 1, 2022
    Inventors: Amir PARHAM, Jonas KROEBER, Jens ENGELHART, Anja JATSCH, Christian EICKHOFF, Christian EHRENREICH
  • Publication number: 20220336754
    Abstract: The invention relates to organic electroluminescence devices containing indone carbazole derivatives.
    Type: Application
    Filed: June 3, 2019
    Publication date: October 20, 2022
    Inventors: Amir PARHAM, Jonas KROEBER, Jens ENGELHART, Anja JATSCH, Christian EICKHOFF, Christian EHRENREICH, Dominik JOOSTEN
  • Publication number: 20220332724
    Abstract: The invention relates to a composition comprising an electron-transporting host and a hole-transporting host, to the use thereof in electronic devices and to electronic devices containing said composition. The electron-transporting host is most preferably selected from the class of triazine-dibenzofurane-fluorenyl systems or from the class of triazine-dibenzothiophene-fluorenyl systems. The hole-transporting host is preferably selected from the class of biscarbazoles.
    Type: Application
    Filed: May 28, 2019
    Publication date: October 20, 2022
    Inventors: Amir PARHAM, Jonas KROEBER, Jens ENGELHART, Anja JATSCH, Christian EICKHOFF, Christian EHRENREICH
  • Patent number: 11466021
    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: Grant
    Filed: December 4, 2017
    Date of Patent: October 11, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Amir Parham, Dominik Joosten, Aurélie Ludemann, Tobias Grossmann, Jonas Kroeber, Christian Eickhoff
  • Publication number: 20220306613
    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: March 11, 2020
    Publication date: September 29, 2022
    Inventors: Amir PARHAM, Jonas KROEBER, Jens ENGELHART, Christian EHRENREICH, Christian EICKHOFF