Patents by Inventor Yabin HU

Yabin HU 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: 10976523
    Abstract: An optical imaging lens assembly is provided. The optical imaging 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, a fifth lens, a sixth lens, and a seventh lens. The first lens has a positive refractive power, the second lens and the seventh lens have a negative refractive power, and the third, fourth, fifth, and sixth lenses have a positive refractive power or a negative refractive power. Object-side surfaces of the first lens and the second lens are a convex surface, object-side surfaces of the fourth lens and the seventh lens are a concave surface, and image-side surfaces of the first, second, and seventh lens are a concave surface. A total effective focal length f and an entrance pupil diameter EPD of the optical imaging lens assembly satisfy: f/EPD?1.70.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: April 13, 2021
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventors: Bo Song, Jianke Wenren, Kaiyuan Zhang, Yabin Hu
  • Publication number: 20210048621
    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: Application
    Filed: September 20, 2017
    Publication date: February 18, 2021
    Inventor: Yabin HU
  • Patent number: 10921560
    Abstract: An optical imaging lens assembly is disclosed. The optical imaging lens assembly includes, sequentially along an optical axis from an object side to an image side, a first lens to a fifth lens. The first lens may have a positive refractive power and a concave object-side surface. The second lens may have a positive or a negative refractive power and a concave object-side surface. The third lens may have a positive or a negative refractive power. The fourth lens may have a positive refractive power and a convex image-side surface. The fifth lens may have a negative refractive power, and an object-side surface of the fifth lens and an image-side surface of the fifth lens may both be concave surfaces. A center thickness CT3 of the third lens on the optical axis and a center thickness CT4 of the fourth lens on the optical axis satisfy: CT3/CT4?1.5.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: February 16, 2021
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventors: Yabin Hu, Kaiyuan Zhang, Bo Song
  • Publication number: 20210033819
    Abstract: The present disclosure discloses an imaging lens assembly which includes, sequentially from an object side to an image side along an optical axis, a first lens to a fifth lens. The first lens has a positive refractive power and a convex object-side surface. The second lens has a negative refractive power, a concave object-side surface and a concave image-side surface. The third lens has a negative refractive power. The fourth lens has a positive or a negative refractive power. The fifth lens has a positive or a negative refractive power, a concave object-side surface, and an image-side surface of the fifth lens is a convex surface or a plane. 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: 1.0?T23/T34<2.0.
    Type: Application
    Filed: October 23, 2017
    Publication date: February 4, 2021
    Inventors: Saifeng LV, Yabin HU, Jianke WENREN
  • Publication number: 20200371316
    Abstract: The present disclosure discloses an optical imaging lens assembly including 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, each of which has refractive power. The first lens has a negative refractive power; the the third lens and the sixth lens each has a positive refractive power; an object-side surface of the fourth lens is convex, and an image-side surface thereof is concave; an object-side surface of the fifth lens is convex,and an image-side surface thereof is concave. A distance TTL along the optical axis from an object-side surface of the first lens to an imaging plane of the optical imaging lens assembly and half of a diagonal length ImgH of an effective pixel area on the imaging plane of the optical imaging lens assembly satisfy TTL/ImgH?1.25.
    Type: Application
    Filed: May 8, 2020
    Publication date: November 26, 2020
    Applicant: Zhejiang Sunny Optical Co., Ltd.
    Inventors: Xin WANG, Yabin Hu, Fujian Dai, Liefeng Zhao
  • Publication number: 20200355890
    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 having a positive refractive power; a second lens having a negative refractive power; a third lens having a refractive power; a fourth lens having a refractive power, and an image-side surface thereof being a concave surface; a fifth lens having a refractive power; a sixth lens having a refractive power, and an object-side surface thereof being a convex surface; and a seventh lens having a negative refractive power. A distance TTL along the optical axis from an object-side surface of the first lens of the optical imaging lens group to an imaging plane of the optical imaging lens group and a total effective focal length f of the optical imaging lens group satisfy TTL/f<1.
    Type: Application
    Filed: April 28, 2020
    Publication date: November 12, 2020
    Applicant: Zhejiang Sunny Optical Co., Ltd
    Inventors: Xule KONG, Yabin HU, Jianke WENREN
  • Publication number: 20200327325
    Abstract: The embodiment of the present invention provides a semi-supervised automatic marking method for spartina alterniflora in a hyperspectral image. According to the semi-supervised automatic marking method for spartina alterniflora in a hyperspectral image provided by the present invention, based on the dimensionality reduction on 108-dimensional data of 18 wave bands, unsupervised clustering is performed by the fast clustering algorithm based on the local density, and then the clustering result is matched with a marked spartina alterniflora data set, so that completely automatic marking of the data is realized, and automatic marking for spartina alterniflora is realized. The embodiment of the present invention also provides a semi-supervised automatic marking device for spartina alterniflora in a hyperspectral image. Through the technical scheme provided by the embodiment of the present invention, recognition and marking for spartina alterniflora can be realized accurately and effectively.
    Type: Application
    Filed: January 15, 2020
    Publication date: October 15, 2020
    Inventors: Xin LIU, Yuqiang SUN, Guangbo REN, Yabin HU, Hongzhan SUN
  • Publication number: 20200249445
    Abstract: The application discloses an optical imaging lens assembly including sequentially from an object side to an image side, a first lens with a positive refractive power and a convex object side surface; a second lens with a refractive power and a concave image side surface; a third lens with a refractive power; a fourth lens with a positive refractive power; a fifth lens with a negative refractive power and a concave object side surface; and a sixth lens with a negative refractive power and a concave object side surface, wherein a space interval T34 between the third lens and the fourth lens along an optical axis and a space interval T45 between the fourth lens and the fifth lens along the optical axis satisfy 0.2<T34/T45<0.6.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 6, 2020
    Applicant: Zhejiang Sunny Optical Co., Ltd
    Inventors: Yabin HU, Jianke WENREN, Ming LI
  • Publication number: 20190121104
    Abstract: The present disclosure discloses 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 first lens to a fifth lens. The first lens has a positive refractive power, and an object-side surface thereof is a convex surface. The second 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. The third lens has a positive refractive power or a negative refractive power. The fourth lens has a positive refractive power, and an object-side surface thereof is a concave surface. The fifth lens has a negative refractive power, and an image-side surface thereof is a convex surface. An effective focal length f1 of the first lens and an effective focal length f2 of the second lens satisfy: ?0.9<f1/f2<?0.5.
    Type: Application
    Filed: December 21, 2018
    Publication date: April 25, 2019
    Applicant: ZHEJIANG SUNNY OPTIOCAL CO., LTD.
    Inventors: Kaiyuan ZHANG, Ming Li, Yabin HU
  • Publication number: 20190121100
    Abstract: An optical imaging lens assembly is provided. The optical imaging 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, a fifth lens, a sixth lens, and a seventh lens. The first lens has a positive refractive power, the second lens and the seventh lens have a negative refractive power, and the third, fourth, fifth, and sixth lenses have a positive refractive power or a negative refractive power. Object-side surfaces of the first lens and the second lens are a convex surface, object-side surfaces of the fourth lens and the seventh lens are a concave surface, and image-side surfaces of the first, second, and seventh lens are a concave surface. A total effective focal length f and an entrance pupil diameter EPD of the optical imaging lens assembly satisfy: f/EPD?1.70.
    Type: Application
    Filed: December 21, 2018
    Publication date: April 25, 2019
    Inventors: Bo SONG, Jianke WENREN, Kaiyuan ZHANG, Yabin HU
  • Publication number: 20190121064
    Abstract: The present disclosure discloses an optical imaging lens assembly including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially from an object side to an image side along an optical axis. Each of the first lens and the fifth lens has a positive refractive power. Each of the second lens, the third lens, and the fourth lens has a positive refractive power or a negative refractive power. An object-side surface of the first lens and an image-side surface of the fifth lens are convex surfaces. An image-side surface of the second lens, an object-side surface of the sixth lens, and an image-side surface of the sixth lens are concave surfaces. A 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: December 20, 2018
    Publication date: April 25, 2019
    Applicant: Zhejiang Sunny Optical Co., Ltd
    Inventors: Kaiyuan ZHANG, Bo SONG, Yabin HU
  • Publication number: 20190121096
    Abstract: An optical imaging lens assembly is disclosed. The optical imaging lens assembly includes, sequentially along an optical axis from an object side to an image side, a first lens to a fifth lens. The first lens may have a positive refractive power and a concave object-side surface. The second lens may have a positive or a negative refractive power and a concave object-side surface. The third lens may have a positive or a negative refractive power. The fourth lens may have a positive refractive power and a convex image-side surface. The fifth lens may have a negative refractive power, and an object-side surface of the fifth lens and an image-side surface of the fifth lens may both be concave surfaces. A center thickness CT3 of the third lens on the optical axis and a center thickness CT4 of the fourth lens on the optical axis satisfy: CT3/CT4?1.5.
    Type: Application
    Filed: December 18, 2018
    Publication date: April 25, 2019
    Inventors: Yabin HU, Kaiyuan ZHANG, Bo SONG