Patents by Inventor Cheng-Feng Tung

Cheng-Feng Tung 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).

  • DRIVING CIRCUIT FOR T8 LED LAMP
    Publication number: 20120062134
    Abstract: A driving circuit for a T8 light-emitting diode (LED) lamp mainly includes two bridge rectifiers. According to the electrical characteristics and the circuit designs of the bridge rectifiers, the T8 LED lamp can be driven to illuminate by the driving circuit while a starter needs not be removed from the T8 lamp holder.
    Type: Application
    Filed: September 14, 2010
    Publication date: March 15, 2012
    Inventors: Hui-Lan Kou, Cheng-Feng Tung