Patents by Inventor Kaiyuan Zhang

Kaiyuan Zhang 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).

  • Publication number: 20220075162
    Abstract: The disclosure provides a combined zoom dual-camera lens assembly, which includes a first lens group and a second lens group, wherein a field of view of the second lens group is larger than a field of view of the first lens group, and a thickness of the second lens group is smaller than a thickness of the first lens group; and a total effective focal length fT of the first lens group and a total effective focal length fW of the second lens group meet fT/fW>9.00.
    Type: Application
    Filed: May 8, 2020
    Publication date: March 10, 2022
    Inventors: Yi ZHANG, Kaiyuan ZHANG, Fujian DAI, Liefeng ZHAO
  • Publication number: 20220050268
    Abstract: The disclosure discloses a camera lens group, which sequentially includes, from an object side to an image side along an optical axis, a first lens, second lens, third lens, fourth lens, fifth lens, sixth lens, seventh lens and eighth lens with focal power, wherein the first lens, the fourth lens, the sixth lens and the seventh lens have positive focal power; the eighth lens has negative focal power; a total effective focal length f of the camera lens group and a maximum Semi-Field of View (Semi-FOV) of the camera lens group meet f×tan(Semi-FOV)>6.0 mm; and the total effective focal length f of the camera lens group and an effective focal length f7 of the seventh lens meet 0.44/f7<1.2.
    Type: Application
    Filed: October 30, 2019
    Publication date: February 17, 2022
    Inventors: Fujian DAI, Kaiyuan ZHANG, Yi ZHANG, Liefeng ZHAO
  • Patent number: 11252259
    Abstract: This application discloses a service processing method, a mobile edge computing device, and a network device, to resolve a technical problem of low resource utilization of an MEC in the prior art. The method includes: receiving, by a first mobile edge computing device, a first service request, where the first service request includes a service type and/or service content; sending, by the first mobile edge computing device, a second service request to a second mobile edge computing device, where the second service request includes at least part of the service type and/or at least part of the service content, and identification information of the first mobile edge computing device; and receiving, by the first mobile edge computing device, service data corresponding to the second service request from the second mobile edge computing device.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: February 15, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Dewang Ren, Heng Jin, Xiaolin Gui, Kaiyuan Zhang
  • Publication number: 20210364754
    Abstract: An optical imaging lens sequentially includes, from an object side to an image side along an optical axis, a first lens (E1), a second lens (E2), a third lens (E3), a fourth lens (E4), a fifth lens (E5), a sixth lens (E6), a seventh lens (E7) and an eighth lens (E8) with refractive power. An object-side surface (S1) of the first lens (E1) is a convex surface. The fourth lens (E4) has positive refractive power. The seventh lens (E7) has negative refractive power, and an object-side surface (S13) thereof is a convex surface. There is an air space between any two adjacent lenses in the first lens (E1) to the eighth lens (E8). An effective focal length f1 of the first lens (E1) and an effective focal length f4 of the fourth lens (E4) meet 1.7<|f4/f1|<4.
    Type: Application
    Filed: April 26, 2019
    Publication date: November 25, 2021
    Inventors: Xinghai YOU, Kaiyuan ZHANG, Lin HUANG
  • Patent number: 11175482
    Abstract: The present application provides a telephoto lens assembly, the telephoto lens assembly includes a first lens, a second lens, a third lens, a fourth lens, and at least one subsequent lens, provided sequentially from an object side to an image side along an optical axis, the first lens has a positive focal power, an object side surface of the first lens is a convex surface, and an axial distance from the object side surface of the first lens to an image plane TTL and a total effective focal length f of the telephoto lens assembly satisfy: TTL/f?1.0, and the fourth lens has a positive focal power, an effective focal length of the first lens f1, an effective focal length of the fourth lens f4 and the total effective focal length f satisfy: 1<|f/f1|+|f/f4|?2.7.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: November 16, 2021
    Inventors: Kaiyuan Zhang, Jianke Wenren, Lin Huang, Fujian Dai
  • 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: 11169360
    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 having a positive refractive power, a second lens having a negative refractive power and at least one subsequent lens. A lens closest to the image side of the camera lens assembly is a negative lens having a negative refractive power, and a lens adjacent to the negative lens is a positive lens having a positive refractive power. The camera lens assembly further includes a curved image plane, and a radius of curvature RI of the image plane and a total effective focal length f of the camera lens assembly satisfy: |f/RI|?0.35.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: November 9, 2021
    Inventor: Kaiyuan Zhang
  • Publication number: 20210318521
    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 having negative refractive power; a second lens having refractive power; a third lens; a fourth lens having refractive power, a convex image-side surface and a concave image-side surface; a fifth lens having refractive power and a concave object-side surface; a sixth lens; and a seventh lens. Half of a diagonal length ImgH of an effective pixel area on an imaging plane of the optical imaging lens assembly satisfies: ImgH?5.20 mm.
    Type: Application
    Filed: March 11, 2021
    Publication date: October 14, 2021
    Inventors: Xiaofang Wang, Kaiyuan Zhang, Fujian Dai, Liefeng Zhao
  • Publication number: 20210318527
    Abstract: The disclosure discloses a zoom lens group. The zoom lens group sequentially includes from an object side to an image side along an optical axis: a first lens group having a negative refractive power, the first lens group including a first lens and a second lens which are sequentially arranged along the optical axis; a second lens group having a positive refractive power, the second lens group including a third lens, a fourth lens and a fifth lens which are sequentially arranged along the optical axis; and a third lens group having a positive refractive power, a separation distance between the first lens group and the second lens group on the optical axis and a separation distance between the second lens group and the third lens group on the optical axis are adjusted, so as to switch the zoom lens group from a wide-angle state to a long-focus state.
    Type: Application
    Filed: January 13, 2021
    Publication date: October 14, 2021
    Inventors: Yang GAO, Kaiyuan ZHANG, Fujian DAI, Liefeng ZHAO
  • Publication number: 20210302702
    Abstract: The disclosure discloses an optical imaging lens, 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, a fifth lens, a sixth lens and a seventh lens. The first lens has positive refractive power, the fourth lens has positive refractive power, and the seventh lens has negative refractive power. A total effective focal length f of the optical imaging lens and a maximum Field Of View (FOV) of the optical imaging lens meet f×tan(FOV/2)?5.5 mm. An effective focal length f4 of the fourth lens and an effective focal length f6 of the sixth lens meet 1.3?f4/f6<4.5.
    Type: Application
    Filed: March 24, 2021
    Publication date: September 30, 2021
    Inventors: Yi ZHANG, Kaiyuan ZHANG, Fujian DAI, Liefeng ZHAO
  • Publication number: 20210294079
    Abstract: An image camera lens (100) includes an optical lens group (101) and a lens tube (102) configured to accommodate the optical lens group (101). The optical lens group (101) sequentially includes, from an object side to an image side along an optical axis, a first lens (E1) and at least one subsequent lens with refractive power. A lens semi-diameter LM of the first lens (E1), a maximum effective semi-diameter DT11 of an object-side surface (S1) of the first lens (E1) and a distance SAG11 from an intersection point of the object-side surface (S1) of the first lens (E1) and the optical axis to a vertex of the maximum effective semi-diameter of the object-side surface (S1) of the first lens (E1) meet (LM?DT11)/SAG11<1.0.
    Type: Application
    Filed: July 10, 2019
    Publication date: September 23, 2021
    Inventors: Qi CHEN, Bo SONG, Kaiyuan ZHANG, Lin HUANG, Liefeng ZHAO
  • Publication number: 20210294077
    Abstract: The disclosure discloses an optical imaging lens, which sequentially includes, from an object side to an image side along an optical axis: a first lens having positive refractive power; a second lens having refractive power; a third lens having refractive power; a fourth lens having negative refractive power, wherein an object-side surface thereof is a concave surface, while an image-side surface is a convex surface; a fifth lens having positive refractive power; and a sixth lens having negative refractive power, wherein an object-side surface thereof is a convex surface. TTL is a distance from an object-side surface of the first lens to an imaging surface of the optical imaging lens on the optical axis, ImgH is a half of a diagonal length of an effective pixel region on the imaging surface of the optical imaging lens, TTL and ImgH meet 4.0 mm<ImgH/(TTL/ImgH)<7.0 mm. Therefore, the optical imaging lens has high imaging quality.
    Type: Application
    Filed: January 11, 2021
    Publication date: September 23, 2021
    Inventors: Nian CHEN, Kaiyuan ZHANG, Xujiong WU, Fujian DAI, Liefeng ZHAO
  • Publication number: 20210286153
    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 refractive power; a second lens having positive refractive power and a convex image-side surface; a third lens having negative refractive power, a convex object-side surface and a concave image-side surface; a fourth lens having negative refractive power; a fifth lens having refractive power and a convex image-side surface; and a sixth lens having refractive power, a convex object-side surface and a concave image-side surface. Half of a maximum field-of-view Semi-FOV of the camera lens assembly and a combined focal length f23 of the second lens and the third lens satisfy: 4.00 mm<tan2(Semi-FOV)*f23<10.00 mm.
    Type: Application
    Filed: January 27, 2021
    Publication date: September 16, 2021
    Inventors: Yang Li, Haidong Xiao, Kaiyuan Zhang, Fujian Dai, Liefeng Zhao
  • Publication number: 20210286151
    Abstract: The present application discloses a camera optical lens, comprising, in order from an object side to an image side: an optical path turning element and a second lens having a refractive power, wherein the optical path turning element has a refractive power and has an incident surface, a reflecting surface and an exit surface, both the incident surface and the exit surface are aspherical lens surfaces, the reflecting surface is a planar lens surface, and the optical path turning element is configured so that light incident on the optical path turning element through the incident surface along a direction of a Y optical axis is reflected by the reflecting surface and then exits through the exit surface along a direction of an X optical axis, where the direction of the Y optical axis and the direction of the X optical axis cross each other; and wherein a total effective focal length f of the camera optical lens can satisfy 20 mm?f?30 mm.
    Type: Application
    Filed: January 8, 2021
    Publication date: September 16, 2021
    Applicant: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Yi ZHANG, Kaiyuan ZHANG, Fujian DAI, Liefeng ZHAO
  • 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: 11112584
    Abstract: The present disclosure discloses an imaging lens assembly having a total effective focal length f. The imaging lens assembly includes sequentially a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth 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 the third lens, the fourth lens, the fifth lens and the sixth lens each have a positive refractive power or a negative refractive power. A distance TTL from the object-side surface of the first lens to an image plane of the imaging lens assembly on the optical axis and the total effective focal length f of the imaging lens assembly satisfy: TTL/f?1.05.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: September 7, 2021
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventors: Kaiyuan Zhang, Lin Yang
  • Patent number: 11112585
    Abstract: The present disclosure discloses an optical imaging lens assembly. The optical imaging lens assembly includes, 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. The first lens has a positive refractive power and a convex object-side surface. The second lens has a refractive power, a convex object-side surface, and a concave image-side surface. Each of the third lens and the fourth lens has a refractive power. The fifth lens has a positive refractive power, and a convex image-side surface. The sixth lens has a negative refractive power, and a concave object-side surface and a concave image-side surface. 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?1.6.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: September 7, 2021
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventor: Kaiyuan Zhang
  • Patent number: 11112586
    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, an object-side surface of the first lens is a convex surface; each of the second lens, the third lens, the fourth lens, and the fifth lens has a positive refractive power or a negative refractive power; the sixth lens has a positive refractive power; the seventh lens has a negative refractive power; an image-side surface of the first lens, an image-side surface of the third lens, and an object-side surface and an image-side surface of the seventh lens are concave surfaces; and TTL and ImgH satisfy: TTL/ImgH?1.4.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: September 7, 2021
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
    Inventors: Biao Xu, Kaiyuan Zhang, Jianke Wenren
  • Publication number: 20210263285
    Abstract: The disclosure provides an optical imaging system, sequentially 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 from an object side to an image side along an optical axis, wherein an image-side surface of the seventh lens is a concave surface; the optical imaging system meets the following conditional expressions: TTL/ImgH<1.3, f/EPD<1.8, ImgH>6 mm and 0<R15/f8<0.8, wherein TTL is a distance from an object-side surface of the first lens to an imaging surface of the optical imaging system on the optical axis; ImgH is a half of diagonal length of an effective pixel region on the imaging surface; f is a total effective focal length of the optical imaging system; EPD is an entrance pupil diameter of the optical imaging system.
    Type: Application
    Filed: January 20, 2021
    Publication date: August 26, 2021
    Inventors: Xiaofang WANG, Kaiyuan ZHANG, Fujian DAI, Liefeng ZHAO
  • Publication number: 20210255432
    Abstract: The disclosure discloses a photographic optical system, 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, a fifth lens and a sixth lens. Wherein the first lens has a positive refractive power, an object-side surface thereof is a convex surface, an image-side surface is a concave surface. The second lens has a negative refractive power, an object-side surface thereof is a convex surface, an image-side surface is a concave surface. The sixth lens has a negative refractive power. TTL is a distance from the object-side surface of the first lens to an imaging surface of the photographic optical system on the optical axis and ImgH is a half the diagonal length of an effective pixel area on the imaging surface of the photographic optical system, and TTL and ImgH satisfy TTL/ImgH<1.5.
    Type: Application
    Filed: July 11, 2019
    Publication date: August 19, 2021
    Inventors: Kaiyuan ZHANG, Biao XU, Lin HUANG