Patents by Inventor Sonny Tang

Sonny Tang 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).

  • Publication number: 20120327129
    Abstract: An LED display system comprises an LED array and an LED driver circuit. An LED driver circuit comprises components including a phase lock loop, a pulse width modulation engine, a configuration register, a series of gain adjustable fast charge current sources, and a serial input/output interface. The components in this driver circuit may be integrated on a same chip. The LED array may be arranged in a common cathode configuration.
    Type: Application
    Filed: September 21, 2011
    Publication date: December 27, 2012
    Inventors: Eric LI, Chun LU, Nedi NADERSHAHI, Sonny TANG
  • Publication number: 20120327128
    Abstract: An LED display system comprises an LED array and an LED driver circuit. An LED driver circuit comprises components including a phase lock loop, a pulse width modulation engine, a configuration register, a gain adjustable fast charge current source, and a serial input/output interface. The components in this driver circuit may be integrated on a same chip. The LED array may be arranged in a common cathode configuration.
    Type: Application
    Filed: June 27, 2011
    Publication date: December 27, 2012
    Inventors: Eric Li, Chun Lu, Nedi Nadershahi, Sonny Tang