Patents by Inventor Chengliang LAI

Chengliang LAI 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).

  • Publication number: 20250044188
    Abstract: A MTF detection device for wafer-lever optical elements is provided, the MTF detection device for a wafer-level optical element include a luminescent target, a mobile disc, an adjustable bracket, and a detection device. The plurality of luminescent targets are movable along the direction of the light path. The mobile disc is set up with a placing area and the mobile disc is movable, so as to locate different locations of the placing area on the extension of the central line of the luminescent target by moving the mobile disc. The distance between the adjustable bracket and the luminescent target is adjustable, and an external processing assembly is located on a first side of the adjustable bracket. The detection device is installed over the adjustable bracket, and is used to receive the light emitted from the luminescent target through the sample to be detected and the external processing assembly.
    Type: Application
    Filed: July 1, 2024
    Publication date: February 6, 2025
    Applicant: SHENZHEN METALENX TECHNOLOGY CO.,LTD
    Inventors: Chengliang LAI, Chenglong HAO, Fengze TAN, Jian ZHU