Patents Assigned to Zhejiang Sunny Optical Co., Ltd
  • Patent number: 11385439
    Abstract: The present disclosure discloses an imaging lens assembly including, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens and a fifth lens. Here, the first lens has a positive refractive power, and an object-side surface thereof is a convex surface, and an image-side surface thereof is also a convex surface; the second lens has a negative refractive power; the third lens has a positive refractive power, and an object-side surface thereof is a concave surface; the fourth lens has a positive refractive power; the fifth lens has a negative refractive power and an object-side surface thereof is a concave surface and an image-side surface thereof is a concave surface; and the imaging lens assembly satisfies 3?T34/T23 ?7.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: July 12, 2022
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD.
    Inventors: Biao Xu, Kaiyuan Zhang, Lin Huang
  • Patent number: 11372208
    Abstract: The present disclosure discloses an imaging lens assembly, along an optical axis from an object side to an imaging side including sequentially a first lens assembly and a second lens assembly. The first lens assembly has a positive refractive power and along the optical axis from the object side to the imaging side includes sequentially: a first lens, having a positive refractive power and its object-side surface is convex; a second lens, having a negative refractive power; and a third lens, having a positive refractive power or a negative refractive power. The second lens assembly has a negative refractive power and along the optical axis from the object side to the imaging side sequentially includes: a fourth lens, having a negative refractive power; and a fifth lens, having a positive refractive power or a negative refractive power and its object-side surface is convex at a paraxial position.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: June 28, 2022
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventors: Ming Li, Kaiyuan Zhang
  • Patent number: 11366289
    Abstract: The present disclosure discloses an optical imaging system including, sequentially from an object side to an image side along an optical axis: a first lens, having a refractive power with a convex object-side surface; a second lens, having a positive refractive power; a third lens, having a refractive power; a fourth lens, having a refractive power; a fifth lens, having a negative refractive power with a convex image-side surface; a sixth lens, having a refractive power with a concave image-side surface; and a seventh lens, having a refractive power. An effective focal length f of the optical imaging system and an entrance pupil diameter EPD of the optical imaging system satisfy: f/EPD<1.5.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: June 21, 2022
    Assignee: Zhejiang Sunny Optical Co., Ltd.
    Inventors: Fujian Dai, Lin Huang, Yunbing Ji
  • Patent number: 11333855
    Abstract: The present disclosure discloses an imaging lens assembly. The imaging lens assembly includes, sequentially from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens and a fifth lens. An effective focal length f of the imaging lens assembly and an entrance pupil diameter EPD of the imaging lens assembly satisfy: f/EPD?1.8, and an incident angle of a chief ray corresponding to a maximal field-of-view incident on an object-side surface of the fourth lens CRA4<15°. The imaging lens assembly according to the present disclosure consists of 5 lenses, which can realize an imaging lens assembly having an ultra-thin large aperture and a good image quality.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: May 17, 2022
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventor: Yabin Hu
  • Publication number: 20220137334
    Abstract: The present disclosure discloses a camera lens assembly, the camera lens assembly having a total effective focal length f and an entrance pupil diameter EPD, and along an optical axis from an object side to an image side sequentially including a first lens, a second lens, a third lens and a fourth lens, wherein the first lens and the fourth lens have positive refractive powers, an image-side surface of the first lens is a concave surface, and an object-side surface of the fourth lens is a convex surface. In addition, the total effective focal length f and the entrance pupil diameter EPD satisfy: f/EPD?2.
    Type: Application
    Filed: November 24, 2021
    Publication date: May 5, 2022
    Applicant: Zhejiang Sunny Optical Co., Ltd
    Inventor: Xinquan WANG
  • Patent number: 11307387
    Abstract: An optical imaging system including, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. The first lens and the third lens each has a positive refractive power. The second lens, the fourth lens, the fifth lens, the sixth lens, and the seventh lens each has a positive or a negative refractive power. An object-side surface of the first lens is convex, and an image-side surface thereof is concave. An image-side surface of the second lens is concave. An object-side surface of the third lens is convex. An object-side surface of the seventh lens is convex, and an image-side surface thereof is concave. A total effective focal length f of the system and an entrance pupil diameter EPD of the system satisfy: f/EPD?1.5.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: April 19, 2022
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventor: Lin Huang
  • Patent number: 11287615
    Abstract: A camera lens group including a first to a fifth lens arranged sequentially from the object side to image side is provided. The first lens has a positive refractive power, and object-side surface thereof is a convex surface; the second lens has a negative refractive power, and image-side surface thereof is a concave surface; the third and the fourth lens each has a refractive power, and an object-side surface of the third lens is a convex surface; the fifth lens has a negative refractive power, and an image-side surface thereof is a concave surface; an effective focal length f of the camera lens group and half of a diagonal length ImgH of an effective pixel area on an image plane of the camera lens group satisfy: 3.5<f/ImgH<4.5; and an effective focal length f1 of the first lens and an entrance pupil diameter EPD of the camera lens group satisfy: 3<f1/EPD<4.5.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: March 29, 2022
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD.
    Inventors: Lingbo He, Fujian Dai, Jianke Wenren
  • Patent number: 11280981
    Abstract: The present disclosure discloses a camera lens assembly, the camera lens assembly having a total effective focal length f and an entrance pupil diameter EPD, and along an optical axis from an object side to an image side sequentially including a first lens, a second lens, a third lens and a fourth lens, wherein the first lens and the fourth lens have positive refractive powers, an image-side surface of the first lens is a concave surface, and an object-side surface of the fourth lens is a convex surface. In addition, the total effective focal length f and the entrance pupil diameter EPD satisfy: f/EPD?2.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: March 22, 2022
    Assignee: Zhejiang Sunny Optical Co., Ltd
    Inventor: Xinquan Wang
  • Patent number: 11262537
    Abstract: The present disclosure provides a camera lens assembly. The camera lens assembly includes 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. The first lens, the second lens and the fifth lens have positive refractive powers, and the third lens and the sixth lens have negative refractive powers. A total effective focal length f of the camera lens assembly and an entrance pupil diameter EPD of the camera lens assembly satisfy: f/EPD?1.7.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: March 1, 2022
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventors: Ming Li, Lingbo He
  • Patent number: 11237366
    Abstract: The application discloses an optical imaging lens, and the optical imaging lens sequentially comprises the following components from an object side to an image side along an optical axis: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens, wherein the first lens has a refractive power; the second lens has a refractive power; the third lens has a refractive power, the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a convex surface; the fourth lens has a refractive power, the object side surface of the fourth lens is a convex surface, and the image side surface of the fourth lens is a concave surface; the fifth lens has a refractive power; the sixth lens has a positive refractive power; and the seventh lens has a refractive power, and the object side surface of the seventh lens is a convex surface.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: February 1, 2022
    Assignee: Zhejiang Sunny Optical Co., Ltd
    Inventors: Fujian Dai, Lin Huang, Yunbing Ji
  • Patent number: 11226471
    Abstract: The present disclosure discloses a camera lens assembly. The camera lens assembly includes, sequentially along an optical axis from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. The first lens has a negative refractive power, and an image-side surface of the first lens is a concave surface. The second lens has a positive refractive power, and an image-side surface of the second lens is a convex surface. Each of the third lens, the fourth lens, and the fifth lens has a positive refractive power or a negative refractive power. A total effective focal length f of the camera lens assembly and an entrance pupil diameter EPD of the camera lens assembly satisfy: 0.8<f/EPD<1.6.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: January 18, 2022
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD.
    Inventor: Yuanlin Jia
  • Patent number: 11215796
    Abstract: An embodiment of the present disclosure provides an optical imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens and a fifth lens with refractive power. The first lens has a positive refractive power, the fourth lens has a positive refractive power, and the fifth lens has a negative refractive power. An abbe number V1 of the first lens and an abbe number V2 of the second lens satisfy the following relationship 45<|V1?V2|<70.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: January 4, 2022
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD.
    Inventors: Tianxiang Xing, Jianke Wenren, Ming Li
  • Patent number: 11199699
    Abstract: The present disclosure discloses a camera lens assembly. The camera lens assembly has an effective focal length f and an entrance pupil diameter EPD, and includes a first lens, a second lens, a third lens, and a fourth lens in sequence from an object side to an image side along an optical axis. The first lens has a negative refractive power, and an image-side surface thereof is a concave surface. The second lens has a positive refractive power or a negative refractive power. The third lens has a positive refractive power. The fourth lens has a positive refractive power or a negative refractive power, and an image-side surface thereof is a convex surface. An effective radius DT11 of an object-side surface of the first lens and half of a diagonal length ImgH of an effective pixel area on an electronic photosensitive element of the camera lens assembly satisfy: 1.2<DT11/ImgH<2.6.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: December 14, 2021
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD.
    Inventor: Yuanlin Jia
  • Patent number: 11194125
    Abstract: The present disclosure discloses an iris lens assembly, having a total effective focal length f, and the iris lens assembly comprises sequentially a first lens, a second lens and a third lens from an object side to an image plane along an optical axis. The first lens has a positive refractive power, and an object-side surface of the first lens is a convex surface. Each of the second lens and the third lens has a positive refractive power or a negative refractive power. A distance TTL from the object-side surface of the first lens to the image plane on the optical axis and the total effective focal length f satisfy 0.7<TTL/f<1.1.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: December 7, 2021
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD.
    Inventor: Lin Huang
  • Patent number: 11181718
    Abstract: The present disclosure discloses an imaging lens assembly, the imaging lens assembly having a total effective focal length f and comprising sequentially, along an optical axis from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. Each of the first lens and the fifth lens has a negative focal power; each of the second lens, the fourth lens, the sixth lens and the seventh lens has a positive focal power or a negative focal power; and the third lens has a positive focal power, and an effective focal length f3 of the third lens and the total effective focal length f satisfy: 1<f3/f<1.5.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: November 23, 2021
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventors: Fujian Dai, Lin Huang, Yuanlin Jia
  • Patent number: 11169362
    Abstract: The present disclosure discloses an optical imaging lens assembly. The lens assembly sequentially includes, along an optical axis from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens, each of the first to seventh lenses having refractive powers. The first lens has a negative refractive power, an object-side surface of the first lens is a convex surface, and an image-side surface of the first lens is a concave surface; an image-side surface of the third lens is a concave surface; an object-side surface of the seventh lens is a concave surface; and a total effective focal length f of the optical imaging lens assembly, an effective focal length f4 of the fourth lens, and an effective focal length f5 of the fifth lens satisfy: |f/f4|+|f/f5|<1.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: November 9, 2021
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventors: Kaiyuan Zhang, Ming Li, Biao Xu
  • Patent number: 11137571
    Abstract: The present disclosure discloses a camera lens assembly. The camera lens assembly includes, sequentially along an optical axis from an object side to an image side, a first lens, a second lens, a third lens, and a fourth lens. An object-side surface of the first lens and an object-side surface of the second lens are convex surfaces. An image-side surface of the third lens is a convex surface. An image-side surface of the fourth lens is a concave surface. Each of the first lens and the third lens has a positive refractive power. Each of the second lens and the fourth lens has a positive refractive power or a negative refractive power. A total effective focal length f of the camera lens assembly and an entrance pupil diameter EPD of the camera lens assembly satisfy: f/EPD<1.5.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: October 5, 2021
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD.
    Inventor: Xinquan Wang
  • Publication number: 20210286152
    Abstract: A camera lens assembly, sequentially from an object side to an image side along an optical axis, includes: a first lens having a negative refractive power; a second lens having a positive refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface; a third lens having a positive refractive power, and an object-side surface thereof is a convex surface; a fourth lens having a negative refractive power, and an image-side surface thereof is a concave surface; a fifth lens having a positive refractive power; and a sixth lens having a negative refractive power, and at least one of an object-side surface and an image-side surface thereof has an inflection point. Half of a maximal field-of-view HFOV of the camera lens assembly satisfies: HFOV?55°.
    Type: Application
    Filed: November 20, 2018
    Publication date: September 16, 2021
    Applicant: Zhejiang Sunny Optical Co., Ltd.
    Inventors: Yuanlin JIA, Kaiyuan ZHANG, Biao XU
  • Patent number: 11112579
    Abstract: The present disclosure discloses an optical lens assembly. The optical lens assembly includes sequentially a first lens, a second lens, a third lens and a fourth lens from an object side to an image side along an optical axis. The first lens has a positive refractive power, and an object-side surface of the first lens is a convex surface. The second lens has a negative refractive power, and an object-side surface of the second lens is a concave surface. The third lens has a positive refractive power or a negative refractive power. The fourth lens has a negative refractive power. An air spacing T23 between the second lens and the third lens on the optical axis and an air spacing T34 between the third lens and the fourth lens on the optical axis satisfy: T23/T34<0.2.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: September 7, 2021
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventors: Binbin Liu, Jianke Wenren, Fujian Dai
  • Patent number: 11112583
    Abstract: The present disclosure provides a camera lens assembly, the camera lens assembly including sequentially, from an object side to an image side along an optical axis, a first lens having a negative refractive power, wherein an image-side surface of the first lens is a concave surface; a second lens, wherein an image-side surface of the second lens is a convex surface; a third lens; a fourth lens having a negative refractive power; and at least one subsequent lens. An effective radius DT21 of an object-side surface of the second lens and an effective radius DT42 of an image-side surface of the fourth lens satisfy: 0.5<DT21/DT42<1.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: September 7, 2021
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventor: Lin Huang