Search Patents
  • LIQUID-CRYSTAL DISPLAY
    Publication number: 20090324853
    Abstract: The present invention relates to a liquid-crystal (LC) display of the PSA (polymer sustained alignment) type, and to novel polymerisable compounds and novel LC media for use in PSA displays.
    Type: Application
    Filed: May 20, 2008
    Publication date: December 31, 2009
    Applicant: Merck Patent GmbH
    Inventors: Georg Bernatz, Andreas Taugerbeck, Matthias Bremer, Achim Goetz
  • Liquid-crystalline medium
    Publication number: 20030071244
    Abstract: Liquid-crystalline mediums based on a mixture of polar compounds of negative dielectric anisotropy, comprising one or more compounds of the general formula I, 1
    Type: Application
    Filed: July 30, 2002
    Publication date: April 17, 2003
    Applicant: MERCK PATENT GESELLSCHAFT
    Inventors: Melanie Klasen-Memmer, Malgorzata Rillich, Volker Reiffenrath
  • Cycloalkanone derivatives
    Publication number: 20030080321
    Abstract: The invention relates to compounds of formula I 1
    Type: Application
    Filed: April 5, 2002
    Publication date: May 1, 2003
    Applicant: MERCK KGAA
    Inventors: Louise Diane Farrand, Christopher Peter Worrall, Owain Llyr Parri, Ian Victor Edward Hassal, Julian Frederick Samuel Vaughan-Spickers
  • Dioxane derivatives, and liquid-crystalline medium
    Publication number: 20020130300
    Abstract: The invention relates to novel dioxane derivatives of the formula I
    Type: Application
    Filed: August 6, 2001
    Publication date: September 19, 2002
    Applicant: Merck GmbH
    Inventors: Matthias Bremer, Peer Kirsch, Sabine Schoen, Detlef Pauluth, Kazuaki Tarumi, Georg Lussem, Michael Heckmeier, Joachim Krause
  • 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: 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
  • Liquid-crystalline medium
    Publication number: 20030001137
    Abstract: 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 general formula IA and/or IB 1
    Type: Application
    Filed: October 11, 2001
    Publication date: January 2, 2003
    Applicant: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Michael Heckmeier, Matthias Bremer
  • 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 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-crystalline medium
    Patent number: 11566179
    Abstract: The present invention relates to a liquid-crystal medium which comprises one or more compounds each of formulae I and II in which the occurring groups and parameters have the meanings given in claim 1.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: January 31, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Yong-Hyun Choi, Jae-Hyun Kang, Hyun-Jin Yoon
  • 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: 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-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: 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
  • 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 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: 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: 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