Patents by Inventor SI-LING PANG

SI-LING PANG 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: 11480753
    Abstract: A lens module includes a diffractive optical element, a lens, and a plurality of positioning elements, the diffractive optical element and the lens are matched and positively held together. First positioning grooves are defined in the diffractive optical element, and corresponding second positioning grooves are defined in the lens which is stacked on the diffractive optical element. Each positioning element is fixed in and entirely within a first positioning groove and a second positioning groove to fix and hold the diffractive optical element and the lens together.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: October 25, 2022
    Assignee: TRIPLE WIN TECHNOLOGY(SHENZHEN) CO. LTD.
    Inventor: Si-Ling Pang
  • Publication number: 20210294063
    Abstract: A lens module includes a diffractive optical element, a lens, and a plurality of positioning elements, the diffractive optical element and the lens are matched and positively held together. First positioning grooves are defined in the diffractive optical element, and corresponding second positioning grooves are defined in the lens which is stacked on the diffractive optical element. Each positioning element is fixed in and entirely within a first positioning groove and a second positioning groove to fix and hold the diffractive optical element and the lens together.
    Type: Application
    Filed: July 28, 2020
    Publication date: September 23, 2021
    Inventor: SI-LING PANG