Patents by Inventor Kristin WEISS

Kristin WEISS 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).

  • Liquid-crystalline medium
    Patent number: 11939509
    Abstract: A liquid-crystalline medium which comprises at least one compound selected from the group of compounds of the formulae IA to IH, in which Z1 denotes a single bond, —CH2CH2—, —CH?CH—, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —C2F4—, —(CH2)4—, —CHFCHF—, —CF2CH2—, —CH2CF2—, —C?C—, —CF?CF—, —CH?CHCHO— or —CH2CF2O—, and the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS, PS-FFS, SA-VA, PS-IPS or IPS effect.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: March 26, 2024
    Assignee: MERCK PATENT GMBH
    Inventors: Harald Hirschmann, Monika Bauer, Martina Windhorst, Marcus Reuter, Kristin Weiss
  • Liquid-crystalline medium
    Patent number: 11932797
    Abstract: A liquid-crystalline medium which comprises at least one compound selected from the group of compounds of the formulae IA to IH, in which Z1 denotes a single bond, —CH2CH2—, —CH?CH—, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —C2F4—, —(CH2)4—, —CHFCHF—, —CF2CH2—, —CH2CF2—, —C?C—, —CF?CF—, —CH?CHCHO— or —CH2CF2O—, and the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS, PS-FFS, SA-VA, PS-IPS or IPS effect.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: March 19, 2024
    Assignee: MERCK PATENT GMBH
    Inventors: Harald Hirschmann, Monika Bauer, Martina Windhorst, Marcus Reuter, Kristin Weiss
  • Liquid crystal medium
    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
  • LIQUID-CRYSTALLINE MEDIUM
    Publication number: 20220325181
    Abstract: A liquid-crystalline medium which comprises at least one compound selected from the group of compounds of the formulae IA to IH, in which Z1 denotes a single bond, —CH2CH2—, —CH?CH—, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —C2F4—, —(CH2)4—, —CHFCHF—, —CF2CH2—, —CH2CF2—, —C?C—, —CF?CF—, —CH?CHCHO— or —CH2CF2O—, and the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS, PS-FFS, SA-VA, PS-IPS or IPS effect.
    Type: Application
    Filed: February 3, 2021
    Publication date: October 13, 2022
    Applicant: Merck Patent GmbH
    Inventors: Harald HIRSCHMANN, Monika BAUER, Martina WINDHORST, Marcus REUTER, Kristin WEISS
  • LIQUID-CRYSTALLINE MEDIUM
    Publication number: 20220325180
    Abstract: A liquid-crystalline medium which comprises at least one compound selected from the group of compounds of the formulae IA to IH, in which Z1 denotes a single bond, —CH2CH2—, —CH?CH—, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —C2F4—, —(CH2)4—, —CHFCHF—, —CF2CH2—, —CH2CF2—, —C?C—, —CF?CF—, —CH?CHCHO— or —CH2CF2O—, and the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS, PS-FFS, SA-VA, PS-IPS or IPS effect.
    Type: Application
    Filed: January 29, 2021
    Publication date: October 13, 2022
    Applicant: Merck Patent GmbH
    Inventors: Harald HIRSCHMANN, Monika BAUER, Martina WINDHORST, Marcus REUTER, Kristin WEISS
  • LIQUID CRYSTAL MEDIUM
    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
  • Liquid-crystalline medium
    Patent number: 11008515
    Abstract: A liquid-crystalline medium which comprises at least one compound selected from the group of compounds of the formulae IA to IH, in which Z1 denotes a single bond, —CH2CH2—, —CH?CH—, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —C2F4—, —(CH2)4—, —CHFCHF—, —CF2CH2—, —CH2CF2—, —C?C—, —CF?CF—, —CH?CHCHO— or —CH2CF2O—, and the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS, PS-FFS, SA-VA, PS-IPS or IPS effect.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: May 18, 2021
    Assignee: Merck Patent GmbH
    Inventors: Harald Hirschmann, Monika Bauer, Martina Windhorst, Marcus Reuter, Kristin Weiss
  • LIQUID-CRYSTALLINE MEDIUM
    Publication number: 20190161679
    Abstract: A liquid-crystalline medium which comprises at least one compound selected from the group of compounds of the formulae IA to IH, in which Z1 denotes a single bond, —CH2CH2—, —CH?CH—, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —C2F4—, —(CH2)4—, —CHFCHF—, —CF2CH2—, —CH2CF2—, —C?C—, —CF?CF—, —CH?CHCHO— or —CH2CF2O—, and the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS, PS-FFS, SA-VA, PS-IPS or IPS effect.
    Type: Application
    Filed: November 20, 2018
    Publication date: May 30, 2019
    Applicant: Merck Patent GmbH
    Inventors: Harald HIRSCHMANN, Monika BAUER, Martina WINDHORST, Marcus REUTER, Kristin WEISS