Patents by Inventor Geoffrey Wan Tai Shuy

Geoffrey Wan Tai Shuy 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).

  • Light emitting device
    Patent number: 7474287
    Abstract: A light emitting device includes a time delay mechanism in electrical connection with a power source for time shifting at least a portion of a power signal outputted by the power source and a plurality of light emitting units formed by at least a light emitting diode (LED)structure, each light emitting unit being driven alternately and sequentially using the power source and the time delay mechanism.
    Type: Grant
    Filed: December 23, 2005
    Date of Patent: January 6, 2009
    Assignee: Hong Kong Applied Science and Technology
    Inventors: Enboa Wu, Ming Lu, Geoffrey Wan Tai Shuy
  • Light emitting device
    Publication number: 20070146256
    Abstract: A light emitting device includes a time delay mechanism in electrical connection with a power source for time shifting at least a portion of a power signal outputted by the power source and a plurality of light emitting units formed by at least a light emitting diode (LED)structure, each light emitting unit being driven alternately and sequentially using the power source and the time delay mechanism.
    Type: Application
    Filed: December 23, 2005
    Publication date: June 28, 2007
    Inventors: Enboa Wu, Ming Lu, Geoffrey Wan Tai Shuy