Patents by Inventor Jun Han Ko

Jun Han Ko 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).

  • Patent number: 9928773
    Abstract: A degradation compensation apparatus including: a calculator provided with gray data regarding a plurality of consecutive frames, the calculator calculating and outputting a frame degradation amount of a current frame, which indicates a degree of degradation of the current frame; a memory accumulating and storing the frame degradation amount of the current frame and outputting a cumulative degradation amount, which is an accumulated degree of degradation of frames up to the current frame; and a data corrector correcting the gray data for a subsequent frame based on the cumulative degradation amount. Each of the plurality of consecutive frames includes first and second blocks each having a plurality of pixels, and the frame degradation amount is calculated based on one of the pixels included in the first block and one of the pixels included in the second block.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: March 27, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Shin Kim, Jun Han Ko, Jong Woong Park, Gun Hee Chung
  • Publication number: 20160191952
    Abstract: A degradation compensation apparatus including: a calculator provided with gray data regarding a plurality of consecutive frames, the calculator calculating and outputting a frame degradation amount of a current frame, which indicates a degree of degradation of the current frame; a memory accumulating and storing the frame degradation amount of the current frame and outputting a cumulative degradation amount, which is an accumulated degree of degradation of frames up to the current frame; and a data corrector correcting the gray data for a subsequent frame based on the cumulative degradation amount. Each of the plurality of consecutive frames includes first and second blocks each having a plurality of pixels, and the frame degradation amount is calculated based on one of the pixels included in the first block and one of the pixels included in the second block.
    Type: Application
    Filed: June 2, 2015
    Publication date: June 30, 2016
    Inventors: Jae Shin KIM, Jun Han Ko, Jong Woong Park, Gun Hee Chung