Patents by Inventor Che-Nan Tien

Che-Nan Tien 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).

  • CURRENT BALANCING CIRCUIT FOR LIGHT EMITTING DIODES
    Publication number: 20070222391
    Abstract: The invention provides an LED current balancing circuit, comprising a first and a second LED set coupled to a voltage source, a first transistor, and a second transistor. The first LED set comprises a first loader. The first transistor and the second transistor form a current balancing circuit for adjusting currents passing through the first and second LED sets.
    Type: Application
    Filed: December 12, 2006
    Publication date: September 27, 2007
    Applicant: BEYOND INNOVATION TECHNOLOGY CO., LTD.
    Inventors: Li-Min Lee, Che-Nan Tien, Chung-Che Yu