Patents by Inventor Walter Boller

Walter Boller 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).

  • Illuminating arrangement for a field-effect liquid-crystal display as well as fabrication and application of the illuminating arrangement
    Patent number: 4096550
    Abstract: An illuminating arrangement for a field-effect liquid-crystal display having a transparent plate disposed on the side of the liquid-crystal display away from the observer in which there is a recess formed in a thickened side portion thereof for receiving a light source and wherein the surface of the plate, at least on the side thereof away from the liquid-crystal display, is smooth and the surface next to the liquid-crystal display is provided with a continuous reflecting film of low transparency. Preferably, a reflector also is mounted on the surface of the plate facing away from the liquid-crystal display.
    Type: Grant
    Filed: October 15, 1976
    Date of Patent: June 20, 1978
    Assignee: BBC Brown Boveri & Company Limited
    Inventors: Walter Boller, Marco Donati, Jurg Fingerle, Peter Wild