Patents by Inventor Waltraut Muller

Waltraut Muller 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 display
    Patent number: 6842212
    Abstract: The invention is directed to a liquid crystal display having two opposed substrates, a liquid crystalline medium contained between the substrates, and a plurality of electrodes arranged on the substrates to produce a multiplicity of pixels. According to the invention, the electrodes are configured in such fashion that the pixels have round contours. The pixels may also have contours in the form of a polygon with more than four sides. Preferably pixels with roughly circular contours are produced.
    Type: Grant
    Filed: August 14, 2001
    Date of Patent: January 11, 2005
    Assignee: Braun GmbH
    Inventors: Frank Kressmann, Dietrich Lubs, Waltraut Müller
  • Liquid crystal display
    Publication number: 20020021394
    Abstract: The invention is directed to a liquid crystal display having two opposed substrates, a liquid crystalline medium contained between the substrates, and a plurality of electrodes arranged on the substrates to produce a multiplicity of pixels. According to the invention, the electrodes are configured in such fashion that the pixels have round contours. The pixels may also have contours in the form of a polygon with more than four sides. Preferably pixels with roughly circular contours are produced.
    Type: Application
    Filed: August 14, 2001
    Publication date: February 21, 2002
    Inventors: Frank Kressmann, Dietrich Lubs, Waltraut Muller