Patents by Inventor Yunbing JI

Yunbing JI 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: 11953655
    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, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens having reactive power. The first lens has positive refractive power, and the first lens is a glass lens; an object-side surface of the second lens is a convex surface, and an image-side surface of the second lens is a concave surface; and each of the fourth lens and the fifth lens has negative refractive power. An aperture value Fno of the optical imaging system satisfies Fno<1.4.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: April 9, 2024
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventors: Lin Huang, Yunbing Ji
  • Patent number: 11782242
    Abstract: Disclosed herein is an optical imaging lens assembly, sequentially includes, from an object side to an image side along an optical axis, a first lens having refractive power; a second lens having an refractive power, the image-side surface thereof is concave; a third lens having refractive power; a fourth lens having refractive power; a fifth lens having refractive power; a sixth lens having refractive power; a seventh lens having a positive refractive power, the object-side surface thereof is a convex surface; and an eighth lens having a negative refractive power, the object-side surface thereof is a concave surface; where half of a diagonal length ImgH of an effective pixel area on an image plane of the optical imaging lens assembly satisfies: ImgH?6.0 mm, and the total effective focal length f of the optical imaging lens assembly and an entrance pupil diameter EPD of the optical imaging lens assembly satisfy: f/EPD<1.8.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: October 10, 2023
    Assignee: Zhejiang Sunny Optical Co., Ltd
    Inventors: Fujian Dai, Lin Huang, Yunbing Ji, Liefeng Zhao
  • Patent number: 11573401
    Abstract: The application discloses an optical imaging system. The system sequentially comprises the following components from an object side to an image side along an optical axis: a first lens having refractive power, an image side surface of which is a convex surface; a second lens having negative refractive power; a third lens having refractive power, the image side surface of which is a concave surface; a fourth lens having refractive power; a fifth lens having refractive power, the object side surface of which is a convex surface; a sixth lens with positive refractive power, the object side surface of which is a convex surface; a seventh lens having refractive power; an effective focal length f of the optical imaging system and an entrance pupil diameter EPD of the optical imaging system meet the condition that f/EPD is less than 2; the effective focal length f of the optical imaging system, an effective focal length f1 of the first lens, and an effective focal length f2 of the second lens satisfy 0.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: February 7, 2023
    Assignee: Zhejiang Sunny Optical Co., Ltd
    Inventors: Fujian Dai, Lin Huang, Yunbing Ji
  • Publication number: 20220350111
    Abstract: The present disclosure provides an optical imaging lens assembly. The optical imaging lens assembly includes, sequentially along an optical axis from an object side to an image side: a stop; a first lens, having a refractive power; a second lens, having a refractive power, an object-side surface of the second lens being a concave surface; a third lens, having a positive refractive power; a fourth lens, having a negative refractive power, an object-side surface of the fourth lens being a convex surface; a fifth lens, having a refractive power; and a sixth lens, having a refractive power. A distance TTL from an object-side surface of the first lens to an image plane of the optical imaging lens assembly along the optical axis and half of a diagonal length ImgH of an effective pixel area on the image plane of the optical imaging lens assembly satisfy: TTL/ImgH<1.5.
    Type: Application
    Filed: March 18, 2022
    Publication date: November 3, 2022
    Applicant: Zhejiang Sunny Optics Co., Ltd
    Inventors: Yikun ZHAO, Yu ZHOU, Yunbing JI, Fujian DAI, Liefeng ZHAO
  • 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
  • Publication number: 20220163776
    Abstract: A camera lens is provided, including: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens; a fourth lens; a fifth lens; a sixth lens having a positive refractive power; and a seventh lens having a negative refractive power. A total effective focal length f of the camera lens, a half ImgH of a diagonal length of an effective pixel region on an imaging plane of the camera lens, and a distance TTL from an object side surface of the first lens to the imaging plane of the camera lens on the optical axis may satisfy: ImgH2/(TTL×f)?0.8. The total effective focal length f, a radius of curvature R9 of an object side surface of the fifth lens and a radius of curvature R10 of an image side surface of the fifth lens may satisfy: 1.9?f/R9+f/R10<3.0.
    Type: Application
    Filed: October 29, 2021
    Publication date: May 26, 2022
    Applicant: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Chao CHEN, Yunbing JI, Fujian DAI, Liefeng ZHAO
  • Publication number: 20220146787
    Abstract: The disclosure provides an optical imaging lens group, which sequentially includes, from an object side to an image side along an optical axis: a diaphragm; a first lens with a positive refractive power, an object-side surface thereof being a convex surface; a second lens with a refractive power; a third lens with a negative refractive power; a fourth lens with a refractive power, an object-side surface thereof being a convex surface, while an image-side surface being a concave surface; a fifth lens with a positive refractive power; and a sixth lens with a negative refractive power, an image-side surface thereof being a concave surface; wherein ? is a half of a field of view of the optical imaging lens group, and f5 is an effective focal length of the fifth lens, f5 and ? meet 0.50 mm<f5×(tan ?)2<1.00 mm.
    Type: Application
    Filed: May 22, 2020
    Publication date: May 12, 2022
    Inventors: Yunbing JI, Dawei TANG, Fujian DAI, Liefeng ZHAO
  • 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
  • Publication number: 20210278632
    Abstract: The present disclosure discloses a camera lens assembly including, sequentially from an object side to an image side along an optical axis, a first lens having positive refractive power; a second lens having negative refractive power; a third lens having refractive power; a fourth lens having refractive power; a fifth lens having refractive power; a sixth lens having refractive power; a seventh lens having positive refractive power; and an eighth lens having negative refractive power. A combined focal length f67 of the sixth lens and the seventh lens and a distance BFL along the optical axis from an image-side surface of the eighth lens to an imaging plane of the camera lens assembly satisfy: 7.00<f67/BFL<14.00.
    Type: Application
    Filed: January 27, 2021
    Publication date: September 9, 2021
    Inventors: Xinquan Wang, Yunbing Ji, Fujian Dai, Liefeng Zhao
  • Publication number: 20210109323
    Abstract: Disclosed herein is an optical imaging lens assembly, sequentially includes, from an object side to an image side along an optical axis, a first lens having refractive power; a second lens having an refractive power, the image-side surface thereof is concave; a third lens having refractive power; a fourth lens having refractive power; a fifth lens having refractive power; a sixth lens having refractive power; a seventh lens having a positive refractive power, the object-side surface thereof is a convex surface; and an eighth lens having a negative refractive power, the object-side surface thereof is a concave surface; where half of a diagonal length ImgH of an effective pixel area on an image plane of the optical imaging lens assembly satisfies: ImgH?6.0 mm, and the total effective focal length f of the optical imaging lens assembly and an entrance pupil diameter EPD of the optical imaging lens assembly satisfy: f/EPD<1.8.
    Type: Application
    Filed: September 22, 2020
    Publication date: April 15, 2021
    Applicant: Zhejiang Sunny Optical Co., Ltd
    Inventors: Fujian Dai, Lin Huang, Yunbing Ji, Liefeng Zhao
  • Publication number: 20210103129
    Abstract: The present disclosure discloses an optical imaging lens group 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, a seventh lens and an eighth lens. The first lens has positive refractive power, a convex object-side surface and a concave image-side surface; the second lens has negative refractive power and a concave image-side surface; the third lens has positive refractive power and a convex object-side surface; the fourth lens has refractive power; the fifth lens has refractive power; the sixth lens has refractive power, a convex object-side surface and a concave image-side surface; the seventh lens has positive refractive power; and the eighth lens has refractive power. A total effective focal length f and an entrance pupil diameter EPD satisfy f/EPD<1.4.
    Type: Application
    Filed: December 16, 2020
    Publication date: April 8, 2021
    Applicant: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Yunbing JI, Xin ZHOU, Yu TANG
  • Publication number: 20210055514
    Abstract: The application discloses an optical imaging system. The system sequentially comprises the following components from an object side to an image side along an optical axis: a first lens having refractive power, an image side surface of which is a convex surface; a second lens having negative refractive power; a third lens having refractive power, the image side surface of which is a concave surface; a fourth lens having refractive power; a fifth lens having refractive power, the object side surface of which is a convex surface; a sixth lens with positive refractive power, the object side surface of which is a convex surface; a seventh lens having refractive power; an effective focal length f of the optical imaging system and an entrance pupil diameter EPD of the optical imaging system meet the condition that f/EPD is less than 2; the effective focal length f of the optical imaging system, an effective focal length f1 of the first lens, and an effective focal length f2 of the second lens satisfy 0.
    Type: Application
    Filed: November 20, 2019
    Publication date: February 25, 2021
    Applicant: Zhejiang Sunny Optical Co., Ltd
    Inventors: Fujian DAI, Lin HUANG, Yunbing JI
  • Publication number: 20210055515
    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: Application
    Filed: November 20, 2019
    Publication date: February 25, 2021
    Applicant: Zhejiang Sunny Optical Co., Ltd
    Inventors: Fujian DAI, Lin HUANG, Yunbing JI
  • Publication number: 20210055516
    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: Application
    Filed: January 14, 2020
    Publication date: February 25, 2021
    Inventors: Fujian Dai, Lin Huang, Yunbing Ji
  • Publication number: 20200409122
    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, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens having reactive power. The first lens has positive refractive power, and the first lens is a glass lens; an object-side surface of the second lens is a convex surface, and an image-side surface of the second lens is a concave surface; and each of the fourth lens and the fifth lens has negative refractive power. An aperture value Fno of the optical imaging system satisfies Fno<1.4.
    Type: Application
    Filed: September 15, 2020
    Publication date: December 31, 2020
    Applicant: Zhejiang Sunny Optical Co., Ltd.
    Inventors: Lin HUANG, Yunbing JI