Search Patents
  • Publication number: 20130183460
    Abstract: The invention relates to liquid-crystalline media which can be used, in particular, for electro-optical displays having active-matrix addressing based on the ECB effect and for IPS (in-plane switching) displays or FFS (fringe field switching) displays.
    Type: Application
    Filed: December 20, 2012
    Publication date: July 18, 2013
    Applicant: MERCK PATENT GMBH
    Inventor: MERCK PATENT GMBH
  • Publication number: 20130207038
    Abstract: The invention relates to a liquid-crystalline medium, characterised in that it contains one or more compounds of the formula IA, and at least one compound selected from the group of compounds of the formula IIA, IIB and IIC, in which RA, R2A, R2B, R2C, ring A, ring B, XA, Y1-6, L1-6, Z2, Z2?, o, p, q, v and (O)CvH2v+1 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: February 11, 2013
    Publication date: August 15, 2013
    Applicant: MERCK PATENT GMBH
    Inventor: Merck Patent GmbH
  • Publication number: 20020117650
    Abstract: Described are dialkyne compounds of the formula I 1
    Type: Application
    Filed: July 19, 2001
    Publication date: August 29, 2002
    Applicant: Merck Patent GmbH
    Inventors: Volker Reiffenrath, Georg Lussem
  • Publication number: 20030215580
    Abstract: The present invention relates to oxabicyclooctanes of the general formula I.
    Type: Application
    Filed: October 1, 2002
    Publication date: November 20, 2003
    Applicant: Merck Patent GmbH
    Inventors: Matthias Bremer, Michael Heckmeier, Melanie Klasen-Memmer, Harald Lannert
  • Publication number: 20030186002
    Abstract: Liquid-crystalline media comprising at least one compound of the formula I 1
    Type: Application
    Filed: November 8, 2002
    Publication date: October 2, 2003
    Applicant: Merck Patent GmbH
    Inventors: Michael Heckmeier, Martin Engel, Brigitte Schuler, Volker Reiffernrath
  • Publication number: 20030222245
    Abstract: A nematic liquid-crystal media which comprises
    Type: Application
    Filed: April 14, 2003
    Publication date: December 4, 2003
    Applicant: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Matthias Bremer, Malgorzata Rillich
  • Publication number: 20020119262
    Abstract: Liquid-crystalline media comprising one or more compounds of formula A 1
    Type: Application
    Filed: December 6, 2001
    Publication date: August 29, 2002
    Applicant: Merck Patent Gesellschaft mit
    Inventors: Harald Hirschmann, Sven Schupfer, Renate Graulich, Martina Weidner
  • Publication number: 20030136945
    Abstract: The invention relates to nematic liquid-crystal compositions comprising bisalkenyl compounds of the formula I 1
    Type: Application
    Filed: October 15, 2002
    Publication date: July 24, 2003
    Applicant: Merck Paten GmbH
    Inventors: Harald Hirschmann, Sven Schupfer, Marcus Reuter
  • Publication number: 20030197153
    Abstract: The invention relates to a liquid-crystalline medium comprising at least one compound of the formula I 1
    Type: Application
    Filed: October 15, 2002
    Publication date: October 23, 2003
    Applicant: Merck Patent GmbH
    Inventors: Michael Heckmeier, Brigitte Schuler, Martin Engel, Peer Kirsch, Matthias Bremer
  • Patent number: 10705365
    Abstract: The present application concerns a switchable device for the regulation of light transmission, which has a compartmented structure, where the switching state of each of the compartments can be controlled individually.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: July 7, 2020
    Assignee: MERCK PATENT GMBH
    Inventor: Casper Laurens Van Oosten
  • Publication number: 20030026922
    Abstract: The invention relates to chiral compounds of formula I, 1
    Type: Application
    Filed: July 1, 2002
    Publication date: February 6, 2003
    Applicant: Merck Patent GmbH
    Inventors: Alison Linda May, Simon Greenfield, Mark John Goulding, Owain Llyr Parri
  • Publication number: 20030230737
    Abstract: The invention relates to liquid-crystalline compounds of the formula I, 1
    Type: Application
    Filed: December 21, 2001
    Publication date: December 18, 2003
    Applicant: Merck GmbH
    Inventors: Peer Kirsch, Florian Huber, Joachim Krause, Michael Heckmeier, Detlef Pauluth
  • Publication number: 20030017279
    Abstract: The present invention relates to nematic liquid-crystal media which comprise
    Type: Application
    Filed: December 20, 2001
    Publication date: January 23, 2003
    Applicant: Merck Patent GmbH
    Inventors: Melaine Klasen-Memmer, Clarissa Weller, Matthias Bremer
  • Publication number: 20030213935
    Abstract: Liquid-crystalline compounds of the formula I 1
    Type: Application
    Filed: September 30, 2002
    Publication date: November 20, 2003
    Applicant: Merck Patent GmbH
    Inventors: Michael Heckmeier, Peer Kirsch, Joachim Krause, Alexander Hahn, Andreas Ruhl
  • Publication number: 20020090469
    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 formula I 1
    Type: Application
    Filed: October 19, 2001
    Publication date: July 11, 2002
    Applicant: Merck GmbH
    Inventors: Georg Lussem, Dagmar Klement, Volker Reiffenrath
  • 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
  • Patent number: 10723950
    Abstract: The present application relates to mixtures which have liquid-crystalline properties. The application furthermore relates to the use of the mixtures in devices which regulate the transmission of light through an area element.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: July 28, 2020
    Assignee: MERCK PATENT GMBH
    Inventors: Michael Junge, Ursula Patwal, Peer Kirsch
  • 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
  • Publication number: 20020084443
    Abstract: A liquid-crystal medium comprising a) at least one compound of the formula I and b) at least one compound of the formula II 1
    Type: Application
    Filed: March 26, 2001
    Publication date: July 4, 2002
    Applicant: Merck Patent GmbH
    Inventors: Michael Heckmeier, Dagmar Klement, Matthias Bremer
  • 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