Patents by Inventor Fujian Chen

Fujian Chen 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: 20240159991
    Abstract: An optical lens assembly, including: a lens barrel; five lenses arranged sequentially along optical axis; a first spacer, in contact with at least part of an image-side surface of a first lens; a second spacer, in contact with at least part of an image-side surface of the second lens; and a focal length f2 of the second lens, the center thickness CT2 of the second lens on the optical axis, an air spacing T23 between the second lens and a third lens on the optical axis, a maximum thickness CP2 of the second spacer, and a distance EP12 between an image-side surface of the first spacer and an object-side surface of the second spacer along the optical axis satisfy: ?50.0<f2/(CT2+T23)+f2/(EP12+CP2)<0.
    Type: Application
    Filed: April 18, 2023
    Publication date: May 16, 2024
    Inventors: Weiwang CHEN, Fan YANG, Fujian DAI, Liefeng ZHAO
  • Publication number: 20240069308
    Abstract: An optical imaging lens assembly, including: an imaging lens group, consisting of a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens arranged in sequence from an object side to an image side along an optical axis, where the sixth lens has at least one inflection point on an image-side surface; a plurality of spacing elements, including a first spacing element disposed between the first lens and the second lens, a second spacing element disposed between the second lens and the third lens, a third spacing element disposed between the third lens and the fourth lens and a fifth spacing element disposed between the fifth lens and the sixth lens; and a lens barrel.
    Type: Application
    Filed: April 14, 2023
    Publication date: February 29, 2024
    Inventors: Leilei Fu, Xujiong Wu, Qi Chen, Fujian Dai, Liefeng Zhao
  • Patent number: D1002712
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: October 24, 2023
    Inventor: Fujian Chen