Patents by Inventor Ming-Yan Yang

Ming-Yan Yang 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).

  • Backlight apparatus capable of short prevention and voltage feedback compensation
    Patent number: 7893629
    Abstract: The invention discloses a backlight apparatus. The backlight apparatus includes a power source, a lamp, a balance transformer, a detecting circuit, a judging module, and a controlling module. The balance transformer includes a primary winding electrically connected to the power source and a secondary winding corresponding to the primary winding and electrically connected to the lamp. The detecting circuit is used for detecting a current generated by the secondary winding and generating a first voltage according to the current. The judging module is used for judging whether the value of the first voltage is smaller than a default value. The controlling module is used for controlling the power source according to a judgment made by the judging module.
    Type: Grant
    Filed: August 7, 2008
    Date of Patent: February 22, 2011
    Assignee: Darfon Electronics Corp.
    Inventors: Ming-Yan Yang, Chin-Long Yang, Chao-Jung Lin