Patents by Inventor Chih-Yu Chu

Chih-Yu Chu 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: 11676265
    Abstract: A method and an image processing device for mura detection on a display are proposed. The method includes the following steps. An original image of the display is received and segmented into region of interest (ROI) patches. A predetermined range of spatial frequency components are filtered out from the ROI patches to generate filtered ROI patches. A mura defect is identified from the display according to the filtered ROI patches and predetermined mura patterns.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: June 13, 2023
    Assignee: Novatek Microelectronics Corp.
    Inventors: Chih-Yu Chu, Po-Yuan Hsieh, Chieh-En Lee, Chung-Hao Tien, Shih-Hsuan Chen
  • Publication number: 20220036527
    Abstract: A method and an image processing device for mura detection on a display are proposed. The method includes the following steps. An original image of the display is received and segmented into region of interest (ROI) patches. A predetermined range of spatial frequency components are filtered out from the ROI patches to generate filtered ROI patches. A mura defect is identified from the display according to the filtered ROI patches and predetermined mura patterns.
    Type: Application
    Filed: July 31, 2020
    Publication date: February 3, 2022
    Applicant: Novatek Microelectronics Corp.
    Inventors: Chih-Yu Chu, Po-Yuan Hsieh, Chieh-En Lee, Chung-Hao Tien, Shih-Hsuan Chen