Search Patents
  • Liquid Crystal Display
    Publication number: 20100309423
    Abstract: The present invention relates to a liquid-crystal (LC) display of the PS (polymer stabilised) or PSA (polymer sustained alignment) type, and to polymerisable compounds and LC media for use in PS (polymer stabilised) and PSA displays.
    Type: Application
    Filed: August 4, 2008
    Publication date: December 9, 2010
    Applicant: MERCK PATENT GESELLSCHAFT
    Inventors: Georg Bernatz, Adreas Taugerbeck
  • Liquid-crystalline medium and liquid-crystal display having high twist
    Publication number: 20040089843
    Abstract: The present invention relates to a liquid-crystalline medium having high twist, to the use thereof for electro-optical purposes, and to displays containing this medium.
    Type: Application
    Filed: August 4, 2003
    Publication date: May 13, 2004
    Applicant: Merck Patent GmbH
    Inventors: Juliane Suermann, Meike Krumwiede
  • Liquid-crystal display
    Patent number: 8545720
    Abstract: The present invention relates to liquid-crystal (LC) media for use in LC displays of the PS (polymer stabilised) or PSA (polymer sustained alignment) type.
    Type: Grant
    Filed: November 26, 2009
    Date of Patent: October 1, 2013
    Assignee: MERCK PATENT GmbH
    Inventors: Achim Goetz, Melanie Klasen-Memmer, Stephan Derow
  • Liquid-crystalline medium
    Publication number: 20040016905
    Abstract: The invention relates to a liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, characterized in that it comprises one or more compounds of the formula I 1
    Type: Application
    Filed: May 27, 2003
    Publication date: January 29, 2004
    Applicant: Merck Patent GmbH
    Inventors: Michael Heckmeier, Brigitte Schuler, Izumi Saito, Volker Reiffenrath, Georg Luessem, Christian Hock
  • Nematic liquid-crystal composition
    Patent number: 6890606
    Abstract: The invention relates to nematic liquid-crystal compositions comprising bisalkenyl compounds of the formula I and to their use in plasma-addressed LCDs.
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: May 10, 2005
    Assignee: Merck Patent GmbH
    Inventors: Harald Hirschmann, Sven Schupfer, Marcus Reuter
  • Fluorinated (dihydro)phenanthrene derivatives, and their use in liquid-crystalline media
    Publication number: 20030227000
    Abstract: The invention relates to liquid-crystalline (dihydro)phenanthrene derivatives of the formula I 1
    Type: Application
    Filed: June 7, 2002
    Publication date: December 11, 2003
    Applicant: Merck Patent GmbH
    Inventors: Matthias Bremer, Detlef Pauluth, Michael Heckmeier, Hans-Rolf Dubal, Barbara Hornung, Wolfgang Schmidt, Rainer Wingen
  • Liquid-crystalline medium
    Publication number: 20040011996
    Abstract: The present invention relates to a liquid-crystalline medium based on a mixture of compounds of negative dielectric anisotropy comprising one or more polymerizable compounds, and to the use thereof for electro-optical purposes, and to displays containing this medium.
    Type: Application
    Filed: July 3, 2003
    Publication date: January 22, 2004
    Applicant: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Dagmar Klement, Matthias Bremer
  • Liquid crystalline medium
    Publication number: 20020033473
    Abstract: The invention relates to a liquid-crystalline medium of positive dielectric anisotropy which comprises at least one mesogenic compound and at least one compound of the formula I 1
    Type: Application
    Filed: May 24, 2001
    Publication date: March 21, 2002
    Applicant: MERCK PATENT GESELLSCHAFT MIT
    Inventors: Michael Heckmeier, Peer Kirsch, Matthias Bremer, Detlef Pauluth, Sabine Schoen
  • Liquid crystal display
    Patent number: 8999459
    Abstract: The present invention relates to a liquid-crystal (LC) display of the PSA (polymer sustained alignment) type, and to polymerizable compounds and LC media for use in PSA displays.
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: April 7, 2015
    Assignee: Merck Patent GmbH
    Inventors: Georg Bernatz, Melanie Klasen-Memmer, Matthias Bremer
  • Liquid-crystal display
    Patent number: 8778466
    Abstract: The present invention relates to a liquid-crystal display of the PSA (polymer sustained alignment) type, and to novel liquid-crystal media and novel polymerizable compounds for use in PSA displays.
    Type: Grant
    Filed: October 11, 2007
    Date of Patent: July 15, 2014
    Assignee: Merck Patent GmbH
    Inventors: Georg Bernatz, Andreas Taugerbeck
  • Liquid crystalline medium and liquid crystal display
    Publication number: 20030155552
    Abstract: Liquid crystalline media comprising a dielectrically positive component, component A, containing dielectrically positive compounds, comprising one or more compounds of formula I and one or more compounds of formula II 1
    Type: Application
    Filed: October 23, 2002
    Publication date: August 21, 2003
    Applicant: Merck Patent GmbH
    Inventors: Atsutaka Manabe, Elena Kress, Volker Reiffenrath
  • TN and STN liquid-crystal displays
    Publication number: 20030104143
    Abstract: The invention relates to TN and STN liquid-crystal displays and to the novel nematic liquid-crystal mixtures used therein, characterized in that they comprise one or more compounds of the formula I 1
    Type: Application
    Filed: June 27, 2002
    Publication date: June 5, 2003
    Applicant: Merck Patent GmbH
    Inventor: Juliane Suermann
  • Liquid-crystalline medium
    Publication number: 20030203129
    Abstract: The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having positive dielectric aniostropy, characterized in that it comprises one or more compounds of the general formula I 1
    Type: Application
    Filed: April 4, 2003
    Publication date: October 30, 2003
    Applicant: MERCK PAPTENTGESELLSCHAFT MIT BESCHRANKTER HAFTUNG
    Inventors: Kazuaki Tarumi, Brigitte Schuler, Eike Poetsch, Volker Reiffenrath, Yukiomi Tanaka
  • Liquid-crystalline medium
    Publication number: 20030207047
    Abstract: A liquid-crystalline medium based on a mixture of polar compounds having positive dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula I 1
    Type: Application
    Filed: March 28, 2003
    Publication date: November 6, 2003
    Applicant: Merck Patent GmbH
    Inventors: Michael Heckmeier, Brigitte Schuler, Peer Kirsch, Eike Poetsch
  • Liquid-crystalline medium
    Publication number: 20030234384
    Abstract: The invention relates to a liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, characterised in that it comprises one or more ester compounds of the formula I 1
    Type: Application
    Filed: February 6, 2003
    Publication date: December 25, 2003
    Applicant: Merck Patent GmbH
    Inventors: Michael Heckmeier, Sabine Schoen, Peer Kirsch, Brigitte Schuler, Izumi Saito
  • Liquid-crystalline medium
    Patent number: 8017200
    Abstract: Disclosed are a liquid-crystalline medium, which contains a compound of formula I and the use thereof for electro-optical purposes, in particular for TN, TFT, IPS or OCB displays.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: September 13, 2011
    Assignee: Merck Patent GmbH
    Inventors: Michael Wittek, Elvira Montenegro, Konstantin Schneider, Brigitte Schuler
  • Liquid-crystal compounds and LC media
    Publication number: 20100181533
    Abstract: Disclosed are novel liquid-crystal compounds, processes and intermediates for the preparation thereof, the use thereof for optical, electro-optical and electronic purposes, in particular in liquid-crystal (LC) media and LC displays, and to LC media and LC displays containing the same.
    Type: Application
    Filed: January 15, 2010
    Publication date: July 22, 2010
    Applicant: MERCK KGAA
    Inventors: Axel Jansen, Detlef Pauluth, Bernd Fiebranz, Bernhard Rieger
  • Liquid-crystalline medium
    Publication number: 20030064172
    Abstract: The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having positive dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula I 1
    Type: Application
    Filed: November 2, 2001
    Publication date: April 3, 2003
    Applicant: Merck Patent Gesellschaft mitbeschrankter Haftung
    Inventors: Kazuaki Tarumi, Brigitte Schuler, Eike Poetsch, Volker Reiffenrath, Yukiomi Tanaka
  • Liquid-crystalline medium
    Patent number: 7678432
    Abstract: The invention relates to a liquid-crystalline medium, characterized in that it comprises one or more compounds of the formula I in which R1, R2 and X1-12 have the meanings indicated in Claim 1.
    Type: Grant
    Filed: October 11, 2007
    Date of Patent: March 16, 2010
    Assignee: Merck Patent GmbH
    Inventors: Michael Wittek, Brigitte Schuler, Elvira Montenegro
  • Liquid-crystalline medium
    Publication number: 20020093004
    Abstract: The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having positive dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula I 1
    Type: Application
    Filed: July 2, 2001
    Publication date: July 18, 2002
    Applicant: Merck Patent Gesellschaft mitbeschrankter Haftung
    Inventors: Kazuaki Tarumi, Brigitte Schuler, Eike Poetsch, Volker Reiffenrath, Yukiomi Tanaka