Patents by Inventor Andreas POHLE

Andreas POHLE 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: 11920075
    Abstract: The present invention relates to a liquid-crystalline medium (LC medium), to the use thereof for electro-optical purposes, and to LC displays containing this medium.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: March 5, 2024
    Assignee: MERCK PATENT GMBH
    Inventors: Harald Hirschmann, Andreas Pohle, Christian Hock, Martina Windhorst, Sabine Schoen
  • Patent number: 11359141
    Abstract: Polyfluorinated additives for use as components in liquid-crystal mixtures. Liquid-crystal mixtures which comprise these compounds. And liquid-crystal displays based on these liquid-crystal mixtures.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: June 14, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Peer Kirsch, Qiong Tong, Helga Haas, Kaja Christina Deing, Christoph Marten, Andreas Pohle, Reiner Friedrich
  • Publication number: 20220112426
    Abstract: The present invention relates to a liquid-crystalline medium (LC medium), to the use thereof for electro-optical purposes, and to LC displays containing this medium.
    Type: Application
    Filed: December 17, 2019
    Publication date: April 14, 2022
    Applicant: MERCK PATENT GMBH
    Inventors: Harald HIRSCHMANN, Andreas POHLE, Christian HOCK, Martina WINDHORST, Sabine SCHOEN
  • Patent number: 10723948
    Abstract: The invention relates to dielectrically positive liquid crystalline media comprising a compound of formula I wherein the parameters have the meaning given in claim 1 and to liquid crystal displays comprising these media, especially to active matrix displays and in particular to TN and IPS mode displays.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: July 28, 2020
    Assignee: MERCK PATENT GMBH
    Inventors: Harald Hirschmann, Martina Windhorst, Christian Hock, Andreas Pohle, Axel Jansen
  • Patent number: 10519375
    Abstract: The invention relates to a liquid-crystalline medium which comprises at least one compound of the formula I, in which R1 and R1* each, independently of one another, denote an alkyl or alkoxy radical having 1 to 15 C atoms, where, in addition, one or more CH2 groups in these radicals may each be replaced, independently of one another, by in such a way that O atoms are not linked directly to one another, and in which, in addition, one or more H atoms may be replaced by halogen, A1 denotes L1 denotes F, Cl, CF3, OCF3 or CHF2, and to the use thereof for electro-optical purposes, in particular for shutter glasses, 3D applications, in TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, PS-FFS and PS-VA-IPS displays.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: December 31, 2019
    Assignee: MERCK PATENT GMBH
    Inventors: Helmut Haensel, Andreas Pohle, Brigitte Schuler, Christian Jasper
  • Publication number: 20190300791
    Abstract: The invention relates to polyfluorinated additives for use as components in liquid-crystal mixtures, to liquid-crystal mixtures which comprise these compounds, and to liquid-crystal displays based on these mixtures.
    Type: Application
    Filed: December 5, 2017
    Publication date: October 3, 2019
    Applicant: MERCK PATENT GMBH
    Inventors: Peer KIRSCH, Qiong TONG, Helga HAAS, Kaja Christina DEING, Christoph MARTEN, Andreas POHLE, Reiner FRIEDRICH
  • Patent number: 10351771
    Abstract: The invention relates to a liquid-crystalline medium comprising at least one compound of the formula I, in which R1 has the meanings indicated in Claim 1, and to the use thereof in liquid-crystalline media and in electro-optical liquid-crystal displays.
    Type: Grant
    Filed: August 13, 2014
    Date of Patent: July 16, 2019
    Assignee: Merck Patent GmbH
    Inventors: Mark Goebel, Lars Lietzau, Sabine Schoen, Andreas Pohle
  • Publication number: 20180244994
    Abstract: The invention relates to dielectrically positive liquid crystalline media comprising a compound of formula I wherein the parameters have the meaning given in claim 1 and to liquid crystal displays comprising these media, especially to active matrix displays and in particular to TN and IPS mode displays.
    Type: Application
    Filed: July 28, 2016
    Publication date: August 30, 2018
    Applicant: MERCK PATENT GMBH
    Inventors: Harald HIRSCHMANN, Martina WINDHORST, Christian HOCK, Andreas POHLE, Axel JANSEN
  • Publication number: 20180223187
    Abstract: The present invention relates to a liquid-crystalline medium (LC medium) which is distinguished by the fact that it comprises one or more compounds of the formula 1 and one or more compounds of the formula 2 and one or more compounds selected from formulae 3, 4 and 5, in which the individual radicals have the meanings according to Claim 1, and to the use thereof for electro-optical purposes and to LC displays containing this medium.
    Type: Application
    Filed: July 22, 2016
    Publication date: August 9, 2018
    Applicant: MERCK PATENT GMBH
    Inventors: Harald HIRSCHMANN, Andreas POHLE, Sabine SCHOEN
  • Publication number: 20180134960
    Abstract: The invention relates to a liquid-crystalline medium which comprises at least one compound of the formula I, in which R1 and R1* each, independently of one another, denote an alkyl or alkoxy radical having 1 to 15 C atoms, where, in addition, one or more CH2 groups in these radicals may each be replaced, independently of one another, by in such a way that O atoms are not linked directly to one another, and in which, in addition, one or more H atoms may be replaced by halogen, A1 denotes L1 denotes F, Cl, CF3, OCF3 or CHF2, and to the use thereof for electro-optical purposes, in particular for shutter glasses, 3D applications, in TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, PS-FFS and PS-VA-IPS displays.
    Type: Application
    Filed: April 8, 2016
    Publication date: May 17, 2018
    Applicant: MERCK PATENT GMBH
    Inventors: Helmut HAENSEL, Andreas POHLE, Brigitte SCHULER, Christian JASPER
  • Patent number: 9376622
    Abstract: The invention relates to compounds of the formula I and to a liquid-crystalline medium which comprises one or more compounds of the formula I, in which R1, X1, X, Y1 and Y2 have the meanings indicated in Claim 1, and to the use thereof for electro-optical purposes, in particular for shutter glasses, 3D applications, in TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, PS-FFS and PS-VA-IPS displays.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: June 28, 2016
    Assignee: Merck Patent GmbH
    Inventors: Harald Hirschmann, Andreas Pohle, Markus Czanta, Christian Schoenefeld, Elvira Montenegro, Volker Reiffenrath
  • Publication number: 20150315472
    Abstract: The invention relates to compounds of the formula I and to a liquid-crystalline medium which comprises one or more compounds of the formula I, in which R1, X1, X, Y1 and Y2 have the meanings indicated in Claim 1, and to the use thereof for electro-optical purposes, in particular for shutter glasses, 3D applications, in TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, PS-FFS and PS-VA-IPS displays.
    Type: Application
    Filed: December 9, 2013
    Publication date: November 5, 2015
    Applicant: Merck Patent GmbH
    Inventors: Harald HIRSCHMANN, Andreas POHLE, Markus CZANTA, Christian SCHOENEFELD, Elvira MONTENEGRO, Volker REIFFENRATH
  • Publication number: 20150048276
    Abstract: The invention relates to a liquid-crystalline medium comprising at least one compound of the formula I, in which R1 has the meanings indicated in Claim 1, and to the use thereof in liquid-crystalline media and in electro-optical liquid-crystal displays.
    Type: Application
    Filed: August 13, 2014
    Publication date: February 19, 2015
    Applicant: Merck Patent GmbH
    Inventors: Mark GOEBEL, Lars LIETZAU, Sabine SCHOEN, Andreas POHLE