Patents by Inventor Hung-Chung Hung

Hung-Chung Hung 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).

  • Method of testing display panel
    Patent number: 8174280
    Abstract: A method of testing the display panel is provided. a display panel is provided, wherein the display panel has shorting bars and testing pads in a first peripheral area, and IC pads in a second peripheral area. A first stage test is performed to input a common voltage signal and a plurality of first stage test signals to the testing pads. A switching step is implemented to stop inputting the first stage test signals. A second stage test is carried out to input at least a second stage test signal to the IC pads.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: May 8, 2012
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventor: Hung-Chung Hung
  • METHOD OF TESTING DISPLAY PANEL
    Publication number: 20100171507
    Abstract: A method of testing the display panel is provided. a display panel is provided, wherein the display panel has shorting bars and testing pads in a first peripheral area, and IC pads in a second peripheral area. A first stage test is performed to input a common voltage signal and a plurality of first stage test signals to the testing pads. A switching step is implemented to stop inputting the first stage test signals. A second stage test is carried out to input at least a second stage test signal to the IC pads.
    Type: Application
    Filed: June 3, 2009
    Publication date: July 8, 2010
    Inventor: Hung-Chung Hung