Patents by Inventor Yu-Wen Chiou

Yu-Wen Chiou 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).

  • Pulse width modulation method for driving an OLED panel
    Publication number: 20070008256
    Abstract: An organic light emitting display (OLED) panel has a plurality of organic light emitting diodes. The organic light emitting diodes are electrically connected to a plurality of segment lines and a plurality of common lines in a matrix structure. The organic light emitting diodes electrically connected to the same common lines are divided into a first group and a second group. Driving currents are separately supplied to the organic light emitting diodes of the first group and the second group according to a first pulse width modulation (PWM) manner and a second PWM manner. The first PWM manner and the second PWM manner have complementary waveforms in a period.
    Type: Application
    Filed: July 7, 2005
    Publication date: January 11, 2007
    Applicant: HIMAX TECHNOLOGIES, INC.
    Inventors: Yu-Wen Chiou, Cheng-Lung Chiang