Patents by Inventor Erik Heden

Erik Heden 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 (LCD)
    Publication number: 20020054250
    Abstract: A liquid-crystal display (LCD) structure for an electronic device is described. The LCD structure comprises a front transparent plate (3) and a rear transparent plate (5) with a liquid-crystal material (4) and means for applying an electric field across said liquid-crystal material (4) therebetween and a first polarizer (2) positioned in front of said liquid-crystal material (4). The LCD structure is provided with a light source for providing a back light to the LCD. The light from the light source is applied to an edge of the rear transparent plate (5) such that the rear transparent plate (5) serves as a light-guiding plate that distributes the light across the back of the LCD.
    Type: Application
    Filed: October 16, 2001
    Publication date: May 9, 2002
    Inventors: Erik Heden, Martin Ek