Patents by Inventor Elvira Monrenegro

Elvira Monrenegro 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).

  • LC-mixtures with low frequency dependence for TFT-displays
    Patent number: 7553522
    Abstract: The present invention relates to dielectrically positive, nematic liquid crystalline media having a small frequency dependence of the dielectric anisotropy. The media are particularly well suited for application in active matrix displays. The present invention relates to the use of the inventive media in active matrix displays, as well as to these active matrix displays themselves.
    Type: Grant
    Filed: August 2, 2006
    Date of Patent: June 30, 2009
    Assignee: Merck Patent GmbH
    Inventors: Michael Heckmeier, Brigitte Schuler, Aisuraka Manabe, Elvira Monrenegro
  • LC-mixtures with low frequency dependence for TFT-displays
    Publication number: 20070034829
    Abstract: The present invention relates to dielectrically positive, nematic liquid crystalline media having a small frequency dependence of the dielectric anisotropy. The media are particularly well suited for application in active matrix displays. The present invention relates to the use of the inventive media in active matrix displays, as well as to these active matrix displays themselves.
    Type: Application
    Filed: August 2, 2006
    Publication date: February 15, 2007
    Inventors: Michael Heckmeier, Brigitte Schuler, Aisuraka Manabe, Elvira Monrenegro