Patents by Inventor Lars Lietzau

Lars Lietzau 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).

  • Liquid-crystalline medium
    Publication number: 20060124896
    Abstract: The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy, which comprises at least one compound of the formula (I) in which R0, R1, A1, Z1 and m have the meanings indicated in Claim 1, and to the use thereof for an active-matrix display based on the ECB, PALC or IPS effect.
    Type: Application
    Filed: November 5, 2003
    Publication date: June 15, 2006
    Inventors: Melaine Klasen-Memmer, Matthias Bremer, Lars Lietzau
  • Fluorinated indenes and 1,7-dihydroindacenes of negative dielectric anisotrophy
    Publication number: 20030222243
    Abstract: Fluorinated indenes and 1,7-dihydroindacenes of the general formulae (I) and (II) of negative dielectric anisotropy (&Dgr;&egr;<0) 1
    Type: Application
    Filed: April 4, 2003
    Publication date: December 4, 2003
    Applicant: Merck Patent GmbH
    Inventors: Lars Lietzau, Melanie Klasen-Memmer, Matthias Bremer