Patents by Inventor Sebastian HOFMEYER

Sebastian HOFMEYER 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: 11920074
    Abstract: The present invention relates to a liquid crystal (LC) medium comprising a compound of formula I and one or more compounds selected from the group of compounds of the formulae IIA, IIB, IIC and IID, as defined in claim 1, and to the use of the LC medium for optical, electro-optical and electronic purposes, in particular in LC displays, especially in IPS, FFS, VA or PS-VA displays.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: March 5, 2024
    Assignee: MERCK PATENT GMBH
    Inventors: Kaja Christina Deing, Sven Christian Laut, Monika Bauer, Sebastian Hofmeyer, Kristin Weiss
  • Patent number: 11447703
    Abstract: The invention relates to a liquid-crystalline medium, preferably having a nematic phase and dielectric anisotropy of 0.5 or more, which comprises one or more compounds of formula T in which and the other parameters have the meanings given in the text, to the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the compounds of formula T and their use for the improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: September 20, 2022
    Assignee: Merck Patent GmbH
    Inventors: Atsutaka Manabe, Constanze Brocke, Sven Baran, Sebastian Hofmeyer, Alexander Hahn
  • Patent number: 11370969
    Abstract: A liquid-crystalline medium containing one or more compounds of formula IA, and the use thereof in an active-matrix display, in particular in a VA, IPS, U-IPS, FFS, UB-FFS, SA-VA, SA-FFS, PS-VA, PS-OCB, PS-IPS, PS-FFS, PS-UB-FFS, PS-posi-VA, PS-TN, polymer stabilised SA-VA or polymer stabilised SA-FFS display.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: June 28, 2022
    Assignee: Merck Patent GmbH
    Inventors: Martin Engel, Sebastian Hofmeyer, Christoph Marten, Lars Lietzau
  • Patent number: 11359142
    Abstract: A liquid-crystalline medium, preferably having a nematic phase and dielectric anisotropy of 0.5 or more, which comprises one or more compounds of each of formulae T and L in which the parameters have the meanings given in the claims and in the text. The use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type. Also, the compounds of formulae T and L and their use for the improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: June 14, 2022
    Assignee: Merck Patent GmbH
    Inventors: Atsutaka Manabe, Constanze Brocke, Sebastian Hofmeyer
  • Patent number: 11168255
    Abstract: A liquid-crystalline medium, preferably having a nematic phase and dielectric anisotropy of 0.5 or more, which comprises one or more compounds of formula T in which denotes and the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the compounds of formula T and their use for the improvement of the transmission and/or response times of a liquid-crystalline medium which contains one or more additional mesogenic compounds.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: November 9, 2021
    Assignee: Merck Patent GmbH
    Inventors: Atsutaka Manabe, Constanze Brocke, Sven Baran, Sebastian Hofmeyer, Alexander Hahn
  • Publication number: 20210189241
    Abstract: A liquid-crystalline medium, preferably having a nematic phase and dielectric anisotropy of 0.5 or more, which comprises one or more compounds of each of formulae T and L in which the parameters have the meanings given in the claims and in the text. The use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type. Also, the compounds of formulae T and L and their use for the improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds.
    Type: Application
    Filed: December 18, 2020
    Publication date: June 24, 2021
    Applicant: Merck Patent GmbH
    Inventors: Atsutaka MANABE, Constanze BROCKE, Sebastian HOFMEYER
  • Publication number: 20210179942
    Abstract: The present invention relates to a liquid crystal (LC) medium comprising a compound of formula I and one or more compounds selected from the group of compounds of the formulae IIA, IIB, IIC and IID, as defined in claim 1, and to the use of the LC medium for optical, electro-optical and electronic purposes, in particular in LC displays, especially in IPS, FFS, VA or PS-VA displays.
    Type: Application
    Filed: December 16, 2020
    Publication date: June 17, 2021
    Applicant: MERCK PATENT GMBH
    Inventors: Kaja Christina DEING, Sven Christian LAUT, Monika BAUER, Sebastian HOFMEYER, Kristin WEISS
  • Publication number: 20210139779
    Abstract: The invention relates to a liquid-crystalline medium, preferably having a nematic phase and dielectric anisotropy of 0.5 or more, which comprises one or more compounds of formula T in which and the other parameters have the meanings given in the text, to the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the compounds of formula T and their use for the improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds.
    Type: Application
    Filed: June 26, 2019
    Publication date: May 13, 2021
    Applicant: Merck Patent GmbH
    Inventors: Atsutaka MANABE, Constanze BROCKE, Sven BARAN, Sebastian HOFMEYER, Alexander HAHN
  • Publication number: 20200102499
    Abstract: A liquid-crystalline medium containing one or more compounds of formula IA, and the use thereof in an active-matrix display, in particular in a VA, IPS, U-IPS, FFS, UB-FFS, SA-VA, SA-FFS, PS-VA, PS-OCB, PS-IPS, PS-FFS, PS-UB-FFS, PS-posi-VA, PS-TN, polymer stabilised SA-VA or polymer stabilised SA-FFS display.
    Type: Application
    Filed: September 26, 2019
    Publication date: April 2, 2020
    Applicant: Merck Patent GmbH
    Inventors: Martin ENGEL, Sebastian HOFMEYER, Christoph MARTEN, Lars LIETZAU
  • Publication number: 20200017767
    Abstract: A liquid-crystalline medium, preferably having a nematic phase and dielectric anisotropy of 0.5 or more, which comprises one or more compounds of formula T in which denotes and the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the compounds of formula T and their use for the improvement of the transmission and/or response times of a liquid-crystalline medium which contains one or more additional mesogenic compounds.
    Type: Application
    Filed: July 11, 2019
    Publication date: January 16, 2020
    Applicant: Merck Patent GmbH
    Inventors: Atsutaka MANABE, Constanze BROCKE, Sven BARAN, Sebastian HOFMEYER, Alexander HAHN