Search Patents
  • Liquid-crystalline medium
    Publication number: 20030194511
    Abstract: The invention relates to a liquid-crystalline medium which is characterized in that it comprises one or more compounds of the formula A 1
    Type: Application
    Filed: December 20, 2002
    Publication date: October 16, 2003
    Applicant: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Harald Hirschmann, Sven Schupfer, Martina Weidner, Renate Graulich
  • Liquid-crystalline mixtures
    Publication number: 20030127629
    Abstract: A liquid-crystalline mixture that contains one or more compounds of each of the formulae IA, IB and IC 1
    Type: Application
    Filed: July 26, 2002
    Publication date: July 10, 2003
    Applicant: Merck Patent GmbH
    Inventors: Harald Hirschmann, Volker Reiffenrath, Marcus Reuter, Sabine Schoen, Sven Schupfer, Clarissa Weller
  • Liquid crystalline medium and liquid crystal display
    Publication number: 20030161971
    Abstract: Liquid crystalline media comprising a dielectrically positive component A, comprising compounds of formula I 1
    Type: Application
    Filed: September 30, 2002
    Publication date: August 28, 2003
    Applicant: Merck Patent GmbH
    Inventors: Shinji Nakajima, Yasushi Sugiyama, Yukiomi Tanaka, Takanori Takeda, Hideo Ichinose
  • Liquid-crystalline medium
    Publication number: 20020014613
    Abstract: The invention relates to a liquid-crystalline medium based on a mixture of polar compounds of negative dielectric anisotropy which comprises at least one compound of the formula I1 1
    Type: Application
    Filed: April 13, 2001
    Publication date: February 7, 2002
    Applicant: Merck Patent Gesellschaft mit Beschrankt Patents
    Inventors: Melanie Klasen, Clarissa Weller, Kazuaki Tarumi, Matthias Bremer
  • Liquid-crystalline medium
    Publication number: 20030209691
    Abstract: The invention relates to a liquid-crystalline medium which is characterized in that it comprises one or more compounds of the formula A 1
    Type: Application
    Filed: January 28, 2003
    Publication date: November 13, 2003
    Applicant: MERCK PATENTGESELLSCHAFT MIT BESCHRANKTER HAFTUNG
    Inventors: Harald Hirschmann, Dagmar Zimmermann, Ursula Patwal, Antje Muhlfeld, Sabine Schoen, Martina Weidner
  • 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: 20020003226
    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 23, 2001
    Publication date: January 10, 2002
    Applicant: Merck Patent GmbH
    Inventors: Michael Heckmeier, Brigitte Schuler, Peer Kirsch, Eike Poetsch
  • 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
  • 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
  • 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: 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 AND LIQUID-CRYSTAL DISPLAY HAVING HIGH TWIST
    Publication number: 20110315924
    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: June 23, 2011
    Publication date: December 29, 2011
    Applicant: MERCK PATENT GmbH mit beschraenkter Haftung
    Inventors: Akihiro Kojima, Fumio Shimano
  • 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 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
  • 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
  • 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 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-crystalline medium
    Patent number: 7455894
    Abstract: A liquid-crystalline medium based on a mixture of polar compounds, containing one or more compounds of the formula I in which R, Y1, Y2 and X have the meanings indicated in Claim 1.
    Type: Grant
    Filed: February 24, 2006
    Date of Patent: November 25, 2008
    Assignee: Merck Patent GmbH
    Inventors: Michael Wittek, Elvira Montenegro
  • LIQUID-CRYSTALLINE MEDIUM
    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
  • Liquid-crystalline medium
    Patent number: 7670655
    Abstract: Disclosed are liquid-crystalline mediums containing one or more compounds of formula I and uses thereof for electro-optical purposes, e.g., to electro-optical liquid-crystal displays.
    Type: Grant
    Filed: October 3, 2007
    Date of Patent: March 2, 2010
    Assignee: Merck Patent GmbH
    Inventors: Michael Wittek, Lars Lietzau