Patents by Inventor Peter H. Xiao

Peter H. Xiao 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).

  • LIQUID CRYSTAL DISPLAY SOURCE DRIVER INTEGRATED CIRCUIT
    Publication number: 20090115715
    Abstract: A source driver eliminates the need for a level shifter and enables the use of a low voltage digital-to-analog converter by using an operational buffer that performs voltage amplification in addition to driving a TFT panel.
    Type: Application
    Filed: November 7, 2007
    Publication date: May 7, 2009
    Inventors: Peter H. Xiao, Chih-Wen Lu
  • Low DC power rail-to-rail buffer amplifier for liquid crystal display application
    Patent number: 7411452
    Abstract: A low DC power rail-to-rail buffer amplifier is suitable for liquid crystal display application. The buffer amplifier comprises: a dc bias stage, a pair of complementary differential amplifiers, a second stage amplifier, and output stage. The dc bias stage is used for the dc bias of the differential amplifiers and the second stage to obtain a rail-to-rail operation. This buffer amplifier can be operated in the power supply ranges of 5.5 V to the breakdown voltage. Simulated results show that the circuit draws only 5.3 ?A static current.
    Type: Grant
    Filed: November 13, 2006
    Date of Patent: August 12, 2008
    Assignee: New Vision Micro Inc.
    Inventors: Chih-Wen Lu, Peter H. Xiao
  • LCD driver
    Publication number: 20040164940
    Abstract: A capacitor divider comprising a plurality of capacitors is used for driving liquid crystal displays. The use of capacitor dividers reduces power consumption, which would be desirable for portable devices. Power consumption is reduced in some embodiments where no static current would flow in the divider.
    Type: Application
    Filed: September 19, 2003
    Publication date: August 26, 2004
    Inventors: Peter H. Xiao, Jemm Y. Liang