Patents by Inventor Anja Huth

Anja Huth 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: 6342279
    Abstract: The invention relates to an electrooptical liquid-crystal display having a realignment layer for realigning the liquid crystals, where the field thereof has a significant component parallel to the liquid-crystal layer, containing a liquid-crystalline medium having positive dielectric anisotropy, where the medium comprises at least one mesogenic compound which contains a group of the formula I and at least one compound of formula II wherein L1 is H or F; R1 R2 are H, an alkyl or alkenyl radical having 1 to 15 carbon atoms which may be substituted; Q is a radical of the formula —(O)q (CH2)r—(CF2)s— in which q is 0 or 1; r is 0 or an integer of 1 to 6, and s is an integer of 0 to 6; X is F or Cl, and in the case where s ≠0, is alternatively H, and A1 and A2 are each, independently of one another, a 1,4-cyclohexenylene or trans-1,4-cyclohexylene which may be substituted; 1,4-phenylene in which may be substituted, 1,4-bicyclo[2.2.
    Type: Grant
    Filed: October 10, 1996
    Date of Patent: January 29, 2002
    Assignee: Merck Patent Gesellschaft mit Beschrankter Haftung
    Inventors: Kazuaki Tarumi, Andreas Beyer, Anja Huth, Eike Poetsch, Michael Kompter
  • Patent number: 6146720
    Abstract: The invention relates to an electro-optical liquid-crystal display having a realignment layer for realigning the liquid crystals whose field has a significant component parallel to the liquid-crystal layer and which contains a liquid-crystalline medium of positive dielectric anisotropy, where the medium comprises at least one mesogenic compound containing a 3,4,5-trifluorophenyl group and/or comprises at least one mesogenic compound [lacuna] a structural unit of the formula 2 ##STR1## in which A is O or CH,Z is --COO-- or a single bondL.sup.1 is F or, if A is O, is alternatively H, andL.sup.2 is H or F.
    Type: Grant
    Filed: October 5, 1999
    Date of Patent: November 14, 2000
    Assignee: Merck Patent Gesellschaft mit
    Inventors: Axel Pausch, Eike Poetsch, Kazuaki Tarumi, Anja Huth, Andreas Wachtler, Andreas Beyer, Brigitte Schuler, Volker Reiffenrath, Matthias Bremer, Michael Kompter
  • Patent number: 5993691
    Abstract: The invention relates to an electro-optical liquid-crystal display having a realignment layer for realigning the liquid crystals whose field has a significant component parallel to the liquid-crystal layer and which contains a liquid-crystalline medium of positive dielectric anisotropy, where the medium comprises at least one mesogenic compound containing a 3,4,5-trifluorophenyl group and/or comprises at least one mesogenic compound [lacuna] a structural unit of the formula 2 ##STR1## in which A is O or CH,z is --COO-- or a single bondL.sup.1 is F or, if A is O, is alternatively H, andL.sup.2 is H or F.
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: November 30, 1999
    Assignee: Merck Patent Gesellschaft MIT
    Inventors: Axel Pausch, Eike Poetsch, Kazuaki Tarumi, Anja Huth, Andreas Wachtler, Andreas Beyer, Brigitte Schuler, Volker Reiffenrath, Matthias Bremer, Michael Kompter