Patents by Inventor Yanping Li

Yanping Li 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: 12228700
    Abstract: The disclosure provides an optical imaging lens group. The optical imaging lens group sequentially includes from an object side to an image side along an optical axis of the optical imaging lens group: a first lens with a positive refractive power; a second lens with a refractive power, an image-side surface of the second lens is a concave surface; a third lens with a refractive power; a fourth lens with a refractive power, an image-side surface of the fourth lens is a concave surface; a fifth lens with a refractive power; a sixth lens with a refractive power, an image-side surface of the sixth lens is a concave surface; and a seventh lens with a negative refractive power. A maximum field of view FOV of the optical imaging lens group and an effective focal length f of the optical imaging lens group satisfy tan(FOV/2)*f>5 mm.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: February 18, 2025
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Yanping Li, Lingbo He, Fujian Dai, Liefeng Zhao
  • Patent number: 12173955
    Abstract: Disclosed are a hinge and a refrigeration equipment. The hinge includes a vertical hinge shaft, a first hinge base and a second hinge base. The first hinge base includes a first installation plate and a first sleeve rotatably connected to the hinge shaft to make the first sleeve rotate around the hinge shaft. A lower end of the first sleeve is provided with a first slope sloping downwards. The second hinge base below the first hinge base includes a second installation plate and a second sleeve fixed on the hinge shaft. An upper end of the second sleeve is provided with a second slope sloping upwards. The second slope abuts against and cooperates with the first slope for the first sleeve to move from a first position to a second position along a direction away from the second sleeve or from the second position to the first position along a direction close to the second sleeve while being rotated around the hinge shaft.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: December 24, 2024
    Assignees: HEIFEI HAULING CO., LTD., HEFEI MIDEA REFRIGERATOR CO., LTD., MIDEA GROUP CO., LTD.
    Inventors: Yanping Li, Huawei Zhang, Long Chen, Rong Wang, Pengkai Liu
  • Patent number: 12174352
    Abstract: The disclosure relates to an imaging system, including a first lens, a second lens, a third lens, a diaphragm, a fourth lens, a fifth lens, a sixth lens and a seventh lens arranged in sequence from an object side to an image side along an optical axis, wherein the first lens, the second lens, the third lens and the sixth lens all have refractive powers, the fourth lens has a negative refractive power, the fifth lens has a positive refractive power, and the seventh lens has a negative refractive power. The imaging system of the disclosure has excellent characteristics such as ultra-wide angle, thereby being able to satisfy more photography demands.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: December 24, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Yanping Li, Lingbo He, Lin Huang, Fujian Dai, Liefeng Zhao
  • Patent number: 12055687
    Abstract: The disclosure provides a camera lens assembly, which includes nine lenses, sequentially including from an object side to an image side: a first lens with a refractive power, an object-side surface thereof is a convex surface; a second lens with a refractive power; a third lens with a positive refractive power; a fourth lens with a refractive power; a fifth lens with a refractive power; a sixth lens with a refractive power; a seventh lens with a negative refractive power; an eighth lens with a refractive power; and a ninth lens with a refractive power; an on-axis distance TTL from an object-side surface of the first lens to an imaging surface of the camera lens assembly on the optical axis and an effective focal length f of the camera lens assembly satisfy TTL/f<1.1.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: August 6, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Yanping Li, Lingbo He, Fujian Dai, Liefeng Zhao
  • Patent number: 12055688
    Abstract: The disclosure discloses 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 respectively, wherein TTL is a distance from an object-side surface of the first lens to an imaging surface of the optical imaging lens assembly on the optical axis, and ImgH is a half of a diagonal length of an effective pixel region on the imaging surface of the optical imaging lens assembly, TTL and ImgH meet TTL/ImgH<1.5; and a sum fp of effective focal lengths of the lenses with positive refractive power in the first lens to the fifth lens and a sum fm of effective focal lengths of the lenses with negative refractive power in the first lens to the fifth lens meet ?19.0<fm/fp<?10.0.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: August 6, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Yanping Li, Lingbo He, Jianjun Li, Fujian Dai, Liefeng Zhao
  • Patent number: 12044827
    Abstract: The present disclosure discloses an optical 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, a fifth lens and a sixth lens. Each of the first to the sixth lenses has reactive power. The second lens has positive refractive power. An image-side surface of the fourth lens is concave. A radius of curvature R2 of an image-side surface of the first lens, a radius of curvature R5 of an object-side surface of the third lens and an effective focal length f3 of the third lens satisfy: 2.5<(R2+R5)/f3<11.0.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: July 23, 2024
    Assignee: Zhejiang Sunny Optics Co., Ltd
    Inventors: Yanping Li, Lingbo He, Jianjun Li, Fujian Dai, Liefeng Zhao
  • Patent number: 12000988
    Abstract: The present disclosure discloses a camera 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, an eighth lens, a ninth lens and a tenth lens. Each of the first lens to the tenth lens has refractive power. Half of a diagonal length ImgH of an effective pixel area on an imaging plane of the camera lens group satisfies: ImgH?6.00 mm.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: June 4, 2024
    Assignee: Zhejiang Sunny Optics Co., Ltd
    Inventors: Yanping Li, Lingbo He, Fujian Dai, Liefeng Zhao
  • Patent number: 11947187
    Abstract: The present disclosure discloses an optical 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, a fifth lens, a sixth lens, a seventh lens, and an eighth lens having refractive power. At least one of the first lens to the eighth lens has an aspheric surface. 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, a total effective focal length f 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 the following conditional expressions: TTL/f?1.0, ImgH?6.0 mm and 1.0<TTL/ImgH<1.5.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: April 2, 2024
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventors: Yanping Li, Lingbo He, Jianjun Li, Fujian Dai, Liefeng Zhao
  • Patent number: 11939307
    Abstract: Disclosed are a benzyl piperazine compound, a preparation method there for and an application thereof in an antivirus. The benzyl piperazine compound has a structure represented by the following general formula(I). It is proven by experiments that the benzyl piperazine compound not only has significant antiviral activity, but also has the advantages of low cytotoxicity, a high selectivity index and soon.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: March 26, 2024
    Assignee: INSTITUTE OF MEDICINAL BIOTECHNOLOGY, CHINESE ACADEMY OF MEDICAL SCIENCES
    Inventors: Yanping Li, Zhuorong Li, Zonggen Peng, Xinbei Jiang, Yixuan Wang, Jianrui Li, Jiali Tan
  • Patent number: 11927728
    Abstract: A camera lens group including, a first lens having positive refractive power, a convex object-side surface and a concave image-side surface; a second lens having refractive power, a convex object-side surface and a concave image-side surface; a third lens having negative refractive power and a concave image-side surface; a fourth lens having positive refractive power, a convex object-side surface and a concave image-side surface; a fifth lens having refractive power, a convex object-side surface and a concave image-side surface; a sixth lens having positive refractive power, a concave object-side surface and a convex image-side surface; a seventh lens having refractive power; an eighth lens having refractive power and a convex image-side surface; a ninth lens having refractive power, a concave object-side surface and a convex image-side surface; and a tenth lens having negative refractive power, a concave object-side surface and a concave image-side surface.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: March 12, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Yanping Li, Lingbo He, Fujian Dai, Liefeng Zhao
  • Publication number: 20230313295
    Abstract: The present invention provides a method for determining endometrial receptivity and an application thereof. Specifically, the present invention provides a method for determining endometrial receptivity and markers for determining an endometrial receptivity status. The markers of the present invention could greatly reduce the error rate during the determination of the endometrial receptivity.
    Type: Application
    Filed: March 5, 2020
    Publication date: October 5, 2023
    Inventors: Chunxu HU, Yanping LI, Xin DONG, Sijia LU, Mintao HU
  • Patent number: 11635590
    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 negative refractive power with a concave object-side surface and a concave image-side surface; a second lens having a refractive power; a third lens having a negative refractive power; a fourth lens having a refractive power with a concave object-side surface, and a convex image-side surface; and a fifth lens having a refractive power. An effective focal length f1 of the first lens and an effective focal length f2 of the second lens satisfy ?2.3?f1/f2<?1.5.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: April 25, 2023
    Inventors: Yanping Li, Lingbo He, Jianke Wenren, Fujian Dai, Liefeng Zhao
  • Publication number: 20230114344
    Abstract: Disclosed are a hinge and a refrigeration equipment. The hinge includes a vertical hinge shaft, a first hinge base and a second hinge base. The first hinge base includes a first installation plate and a first sleeve rotatably connected to the hinge shaft to make the first sleeve rotate around the hinge shaft. A lower end of the first sleeve is provided with a first slope sloping downwards. The second hinge base below the first hinge base includes a second installation plate and a second sleeve fixed on the hinge shaft. An upper end of the second sleeve is provided with a second slope sloping upwards. The second slope abuts against and cooperates with the first slope for the first sleeve to move from a first position to a second position along a direction away from the second sleeve or from the second position to the first position along a direction close to the second sleeve while being rotated around the hinge shaft.
    Type: Application
    Filed: March 19, 2021
    Publication date: April 13, 2023
    Inventors: Yanping LI, Huawei ZHANG, Long CHEN, Rong WANG, Pengkai LIU
  • Publication number: 20230024612
    Abstract: Disclosed are a benzyl piperazine compound, a preparation method there for and an application thereof in an antivirus. The benzyl piperazine compound has a structure represented by the following general formula(I). It is proven by experiments that the benzyl piperazine compound not only has significant antiviral activity, but also has the advantages of low cytotoxicity, a high selectivity index and soon.
    Type: Application
    Filed: November 29, 2019
    Publication date: January 26, 2023
    Inventors: Yanping LI, Zhuorong LI, Zonggen PENG, Xinbei JIANG, Yixuan WANG, Jianrui LI, Jiali TAN
  • Publication number: 20220342185
    Abstract: The disclosure relates to an imaging system, including a first lens, a second lens, a third lens, a diaphragm, a fourth lens, a fifth lens, a sixth lens and a seventh lens arranged in sequence from an object side to an image side along an optical axis, wherein the first lens, the second lens, the third lens and the sixth lens all have refractive powers, the fourth lens has a negative refractive power, the fifth lens has a positive refractive power, and the seventh lens has a negative refractive power. The imaging system of the disclosure has excellent characteristics such as ultra-wide angle, thereby being able to satisfy more photography demands.
    Type: Application
    Filed: April 12, 2022
    Publication date: October 27, 2022
    Inventors: Yanping LI, Lingbo HE, Lin HUANG, Fujian DAI, Liefeng ZHAO
  • Publication number: 20220236627
    Abstract: An optical imaging lens group, along an optical axis from an object side to an image side, sequentially includes: an autofocus component, a first lens, a second lens, a third lens, a fourth lens, and at least one subsequent lens. A radius of curvature of an image-side surface of the autofocus component is variable; and there is an interval between each two adjacent lenses among the first lens to the at least one subsequent lens.
    Type: Application
    Filed: December 22, 2021
    Publication date: July 28, 2022
    Inventors: Qionghua Zhou, Yuhao Wang, Yanping Li, Lingbo He, Lin Huang, Fujian Dai, Liefeng Zhao
  • Publication number: 20220206253
    Abstract: The present disclosure discloses an optical imaging lens assembly. The optical imaging lens assembly comprises, sequentially along an optical axis from an object side to an image side, 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 refractive power, an object-side surface of the third lens being a concave surface; a diaphragm; a fourth lens, having a refractive power; a fifth lens, having a refractive power, an object-side surface of the fifth lens being a concave surface; and a sixth lens, having a refractive power, an image-side surface of the sixth lens being a convex surface.
    Type: Application
    Filed: December 6, 2021
    Publication date: June 30, 2022
    Inventors: Yanping Li, Qionghua Zhou, Lingbo He, Lin Huang, Fujian Dai, Liefeng Zhao
  • Publication number: 20220113516
    Abstract: The disclosure provides an optical imaging lens group. The optical imaging lens group sequentially includes from an object side to an image side along an optical axis of the optical imaging lens group: a first lens with a positive refractive power; a second lens with a refractive power, an image-side surface of the second lens is a concave surface; a third lens with a refractive power; a fourth lens with a refractive power, an image-side surface of the fourth lens is a concave surface; a fifth lens with a refractive power; a sixth lens with a refractive power, an image-side surface of the sixth lens is a concave surface; and a seventh lens with a negative refractive power. A maximum field of view FOV of the optical imaging lens group and an effective focal length f of the optical imaging lens group satisfy tan(FOV/2)*f>5 mm.
    Type: Application
    Filed: July 7, 2021
    Publication date: April 14, 2022
    Inventors: Yanping LI, Lingbo HE, Fujian DAI, Liefeng ZHAO
  • Patent number: 11288422
    Abstract: A simulation evaluation model of a high voltage ride through capability includes a wind turbine system aerodynamic model, a torque control model, a converter model, and a high voltage fault generating device model connected in sequence; the wind turbine system aerodynamic model is configured to calculate an airflow input power; the torque control model is configured to calculate a rotor electromagnetic torque according to the airflow input power; the high voltage fault generating device model is configured to simulate a high voltage fault and output a predetermined voltage on a low voltage side of a transformer; and the converter model is configured to calculate a stator reactive current, an active power and a reactive power of the wind turbine system during the high voltage fault according to the airflow input power, the rotor electromagnetic torque and the predetermined voltage on the low voltage side of the transformer.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: March 29, 2022
    Assignee: GUODIAN UNITED POWER TECHNOLOGY COMPANY LTD.
    Inventors: Jingchun Chu, Ling Yuan, Lei Pan, Wenchao Chen, Chong Jiao, Fa Xie, Wen Du, Yanping Li, Qian Wang, Xuefeng Lin, Yan Ding
  • Publication number: 20220057605
    Abstract: A camera lens group including, a first lens having positive refractive power, a convex object-side surface and a concave image-side surface; a second lens having refractive power, a convex object-side surface and a concave image-side surface; a third lens having negative refractive power and a concave image-side surface; a fourth lens having positive refractive power, a convex object-side surface and a concave image-side surface; a fifth lens having refractive power, a convex object-side surface and a concave image-side surface; a sixth lens having positive refractive power, a concave object-side surface and a convex image-side surface; a seventh lens having refractive power; an eighth lens having refractive power and a convex image-side surface; a ninth lens having refractive power, a concave object-side surface and a convex image-side surface; and a tenth lens having negative refractive power, a concave object-side surface and a concave image-side surface.
    Type: Application
    Filed: March 12, 2021
    Publication date: February 24, 2022
    Applicant: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Yanping LI, Lingbo HE, Fujian DAI, Liefeng ZHAO