Patents by Inventor Hai Bo QIAO

Hai Bo QIAO 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).

  • LED DRIVING CIRCUIT
    Publication number: 20100295478
    Abstract: The present invention provides a LED driving circuit, which is adapted to be coupled to a power supply via a phase control dimmer.
    Type: Application
    Filed: February 16, 2010
    Publication date: November 25, 2010
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Tian Yi WEI, Shrek WANG, Andrew JIANG, Hai Bo QIAO, Wilhelmus CORNELISSEN, Jack JIANG