Patents by Inventor Harald Lannert

Harald Lannert 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 crystal medium and liquid crystal display
    Patent number: 10604703
    Abstract: The present invention relates to mesogenic media and to electro-optical displays comprising these media as light modulation media. In particular, the electro-optical displays according to the present invention are displays, which are operated at a temperature, at which the mesogenic modulation media are in an optically isotropic phase, preferably in a blue phase.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: March 31, 2020
    Assignee: MERCK PATENT GMBH
    Inventors: Michael Wittek, Mathias Bremer, Edward Plummer, Mila Fischer, Harald Lannert, Volker Meyer
  • LIQUID CRYSTAL MEDIUM AND LIQUID CRYSTAL DISPLAY
    Publication number: 20180223189
    Abstract: The present invention relates to mesogenic media and to electro-optical displays comprising these media as light modulation media. In particular, the electro-optical displays according to the present invention are displays, which are operated at a temperature, at which the mesogenic modulation media are in an optically isotropic phase, preferably in a blue phase.
    Type: Application
    Filed: July 12, 2016
    Publication date: August 9, 2018
    Applicant: MERCK PATENT GMBH
    Inventors: Michael WITTEK, Mathias BREMER, Edward PLUMMER, Mila FISCHER, Harald LANNERT, Volker MEYER
  • Liquid-crystalline medium
    Patent number: 9347002
    Abstract: The invention relates to a liquid-crystalline medium which comprises at least one compound of the formula I, in which R1, R1*, L1, L2 and L3 have the meanings indicated in Claim 1, and to the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PA-VA, PALC, FFS, PS-FFS, IPS or PS-IPS effect. The invention furthermore also relates to compounds of the formula I.
    Type: Grant
    Filed: February 27, 2012
    Date of Patent: May 24, 2016
    Assignee: Merck Patent GmbH
    Inventors: Melanie Klasen-Memmer, Matthias Bremer, Harald Lannert, Konstantin Schneider
  • LIQUID-CRYSTALLINE MEDIUM
    Publication number: 20140008571
    Abstract: The invention relates to a liquid-crystalline medium which comprises at least one compound of the formula I, in which R1, R1*, L1, L2 and L3 have the meanings indicated in Claim 1, and to the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PA-VA, PALC, FFS, PS-FFS, IPS or PS-IPS effect. The invention furthermore also relates to compounds of the formula I.
    Type: Application
    Filed: February 27, 2012
    Publication date: January 9, 2014
    Applicant: MERCK PATENT GMBH
    Inventors: Melanie Klasen-Memmer, Matthias Bremer, Harald Lannert, Konstantin Schneider
  • Oxabicyclooctanes
    Patent number: 6808762
    Abstract: The present invention relates to oxabicyclooctanes of the general formula I. in which R1, R2, A1, A2, A3, A4, L1, L2, n1, n2 and n3 have the meanings specified in claim 1, and to their use in liquid-crystalline media.
    Type: Grant
    Filed: October 1, 2002
    Date of Patent: October 26, 2004
    Assignee: Merck Patent GmbH
    Inventors: Matthias Bremer, Michael Heckmeier, Melanie Klasen-Memmer, Harald Lannert
  • Oxabicyclooctanes
    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
  • 1, 3-dioxanes, and liquid-crystalline medium
    Patent number: 5800735
    Abstract: 1,3-Dioxanes of the formula I ##STR1## in which R, X, L and ##STR2## are as defined below, are suitable as components of liquid-crystalline media.
    Type: Grant
    Filed: December 26, 1996
    Date of Patent: September 1, 1998
    Assignee: Merck Patent Gesellschaft mit Beschrankter Haftung
    Inventors: Eike Poetsch, Harald Lannert, Joachim Krause, Kazuaki Tarumi