Patents by Inventor Xiaoyu LUAN

Xiaoyu LUAN 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).

  • OPTICAL LENS ASSEMBLY AND IMAGING DEVICE
    Publication number: 20230258908
    Abstract: The present disclosure discloses an optical lens assembly and an imaging device including the same. The optical lens assembly includes seven lenses, wherein a first lens has a negative refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface; a second lens has a negative refractive power, and an image-side surface thereof is a concave surface; a third lens has a negative refractive power; a fourth lens has a positive refractive power, and an object-side surface thereof is a convex surface; an object-side surface of a fifth lens is a convex surface; a seventh lens has a positive refractive power, and an object-side surface thereof is a convex surface; and the fifth lens and the sixth lens are cemented to form a cemented lens.
    Type: Application
    Filed: April 25, 2023
    Publication date: August 17, 2023
    Inventors: Bo YAO, Dongfang WANG, Xiaoyu LUAN
  • OPTICAL LENS ASSEMBLY AND IMAGING DEVICE
    Publication number: 20220082793
    Abstract: Disclosed are an optical lens, and an imaging device comprising the optical lens.
    Type: Application
    Filed: November 22, 2021
    Publication date: March 17, 2022
    Inventors: Xiaoyu Luan, Bo Yao, Dongfang Wang, Qiansen Xie
  • OPTICAL LENS ASSEMBLY AND IMAGING DEVICE
    Publication number: 20200142158
    Abstract: The present disclosure discloses an optical lens assembly and an imaging device including the same. The optical lens assembly includes seven lenses, wherein a first lens has a negative refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface; a second lens has a negative refractive power, and an image-side surface thereof is a concave surface; a third lens has a negative refractive power, and an object-side surface thereof is a concave surface; a fourth lens has a positive refractive power, and an object-side surface thereof is a convex surface; an object-side surface of a fifth lens is a convex surface; and a seventh lens has a positive refractive power, and an object-side surface thereof is a convex surface. The optical lens assembly satisfies TTL/h/FOV?0.025.
    Type: Application
    Filed: December 30, 2019
    Publication date: May 7, 2020
    Inventors: Bo YAO, Dongfang WANG, Xiaoyu LUAN