Patents by Inventor Seong-Woock Hwang

Seong-Woock Hwang 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 and driving method thereof
    Patent number: 8248346
    Abstract: Disclosed is a liquid crystal display including a liquid crystal panel that includes a plurality of liquid crystal cells for controlling light transmission, a common electrode driving circuit for providing a common voltage signal to a common electrode provided in the liquid crystal panel and a first signal driving circuit for providing a first signal to a transparent electrode provided in the liquid crystal panel. The first signal and the common voltage signal have the same frequency and amplitude, but are out of phase with each other. The transparent electrode is designed to cancel an acoustic noise generated by the application of the common voltage signal. The liquid crystal panel includes two substrates that face each other. In one embodiment, the common electrode and the transparent electrode are formed in the same substrate, and in another embodiment, the common electrode and the transparent electrode are formed in different substrates.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: August 21, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Sang-Uk Kim, Shawn Kim, Seong-Woock Hwang, In-Young Cho, Jeong-Min Park
  • Printed circuit board with multi layer ceramic capacitor and flat panel display device using the same
    Publication number: 20090147456
    Abstract: A printed circuit board has an opening, and a multi-layer ceramic capacitor is disposed inside the opening and is coupled to the printed circuit board. The multi layer ceramic capacitor is coupled to the printed circuit board in a manner that a center of gravity of the multi-layer ceramic capacitor is at substantially the same level as a center of gravity of the printed circuit board.
    Type: Application
    Filed: August 11, 2008
    Publication date: June 11, 2009
    Inventors: Sang-Uk Kim, Shawn Kim, Seong-Woock Hwang, In-Young Cho, Jeong-Min Park
  • Liquid crystal display and driving method thereof
    Publication number: 20090128722
    Abstract: Disclosed is a liquid crystal display including a liquid crystal panel that includes a plurality of liquid crystal cells for controlling light transmission, a common electrode driving circuit for providing a common voltage signal to a common electrode provided in the liquid crystal panel and a first signal driving circuit for providing a first signal to a transparent electrode provided in the liquid crystal panel. The first signal and the common voltage signal have the same frequency and amplitude, but are out of phase with each other. The transparent electrode is designed to cancel an acoustic noise generated by the application of the common voltage signal. The liquid crystal panel includes two substrates that face each other. In one embodiment, the common electrode and the transparent electrode are formed in the same substrate, and in another embodiment, the common electrode and the transparent electrode are formed in different substrates.
    Type: Application
    Filed: July 31, 2008
    Publication date: May 21, 2009
    Inventors: Sang-Uk Kim, Shawn Kim, Seong-Woock Hwang, In-Young Cho, Jeong-Min Park