Patents Assigned to Xtalite Technology Limited/La Technologie Xtalite Limitee
  • Liquid crystal display apparatus
    Patent number: 4824215
    Abstract: Large electronic signs usually employ either incandescent lights or magnetically manipulated elements. A simple alternative includes a plurality of juxtaposed modules on a transparent diffuser plate, each module being defined by a base plate, a top plate and a conductive, liquid crystal coating layer between the plates; transparent electrical contacts in the area of overhang between the top plate and the diffuser plate, and thin wires extending through the diffuser plate for carrying current to the contacts.
    Type: Grant
    Filed: January 22, 1988
    Date of Patent: April 25, 1989
    Assignee: Xtalite Technology Limited/La Technologie Xtalite Limitee
    Inventors: Ezekiel Joseph, Gordon Kramer, Chan S. Oh