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).
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Patent number: 11543629Abstract: 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 stop; a second lens having a refractive power; a third lens having a negative refractive power; a fourth lens having a refractive power with a convex object-side surface, and a convex image-side surface; and a fifth lens having a refractive power. Half of a maximal field-of-view Semi-FOV of the optical imaging system satisfies 45.0°?Semi-FOV<65.0°, and an effective focal length f2 of the second lens and a center thickness CT2 of the second lens along the optical axis satisfy 2.5?f2/CT2?3.0.Type: GrantFiled: July 14, 2020Date of Patent: January 3, 2023Inventors: Yang Li, Wuchao Xu, Kaiyuan Zhang, Liefeng Zhao, Fujian Dai
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Publication number: 20220373771Abstract: The 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 with a refractive power, a second lens with a refractive power, a third lens with a negative refractive power, and a fourth lens with a positive refractive power. A total effective focal length f of the optical imaging lens assembly satisfies 20 mm<f<30 mm.Type: ApplicationFiled: July 24, 2020Publication date: November 24, 2022Inventors: Yi ZHANG, Kaiyuan ZHANG, Fujian DAI, Liefeng ZHAO
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Publication number: 20220365317Abstract: The disclosure provides an optical imaging lens assembly, wherein the optical imaging lens assembly sequentially includes the followings from an object side to an image side along an optical axis: a first lens having a positive focal power, wherein an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface; a second lens having a focal power; a third lens having a focal power; a fourth lens having a focal power; a fifth lens having a focal power; a sixth lens having a positive focal power; and a seventh lens having a negative focal power, wherein an object-side surface thereof is a concave surface, and an image-side surface thereof is a concave surface. DT11, DT12 and ImgH meet:2.4<(DT11+DT12)/lmgHx5<2.7.Type: ApplicationFiled: September 3, 2020Publication date: November 17, 2022Inventors: Chen CHEN, Kaiyuan ZHANG, Biao XU, Fujian DAI, Liefeng ZHAO
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Patent number: 11493733Abstract: 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. The first lens has a positive refractive power; the second lens has a negative refractive power; the third lens has a positive or negative refractive power; the fourth lens has a positive refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a convex surface; the fifth lens has a positive or negative refractive power, and an image-side surface thereof is a concave surface; the sixth lens has a positive or negative refractive power; the seventh lens has a positive refractive power; and the eighth lens has a negative refractive power.Type: GrantFiled: January 16, 2020Date of Patent: November 8, 2022Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD.Inventors: Biao Xu, Kaiyuan Zhang
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Patent number: 11493731Abstract: An optical imaging lens assembly from an object side to an image side along an optical axis sequentially includes: a first lens, having a positive refractive power, its object-side surface is convex and its image-side surface is concave; a second lens, having a refractive power, its object-side surface is convex and its image-side surface is concave; a third lens, having a refractive power; a fourth lens, having a refractive power and its object-side surface is concave; a fifth lens, having a positive refractive power, its object-side surface is concave and its image-side surface is convex; and a sixth lens, having a negative refractive power and its object-side surface is concave. A total effective focal length f of the optical imaging lens assembly and a radius of curvature R12 of an image-side surface of the sixth lens satisfy: 0?f/R12?1.5.Type: GrantFiled: September 26, 2018Date of Patent: November 8, 2022Inventors: Kaiyuan Zhang, Biao Xu, Bo Song
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Patent number: 11493734Abstract: The present disclosure discloses a camera lens assembly. The camera 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. The first lens has a positive refractive power. The second lens has a negative refractive power. The third lens has a positive refractive power or a negative refractive power. The fourth lens has a positive refractive power. The fifth lens has a negative refractive power. An effective focal length f of the camera lens assembly and a combined focal length f45 of the fourth lens and the fifth lens satisfy: ?1.0<f/f45??0.5. The camera lens assembly according to the present disclosure is an ultra-thin telephoto lens assembly structure having 5 lenses and high pixels, which may obtain a good image quality and a good processing and manufacturing performance.Type: GrantFiled: January 18, 2018Date of Patent: November 8, 2022Inventors: Kaiyuan Zhang, Ming Li, Lin Yang
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Publication number: 20220317416Abstract: The disclosure provides an optical imaging lens assembly, sequentially including from an object side to an image side along an optical axis: a first lens with a refractive power; a second lens with a refractive power; a third lens with a positive refractive power; and a fourth lens with a negative refractive power, wherein an object-side surface thereof is a convex surface. A total effective focal length f of the optical imaging lens assembly meets: 20 mm<f<30 mm.Type: ApplicationFiled: July 24, 2020Publication date: October 6, 2022Inventors: Yi ZHANG, Kaiyuan ZHANG, Fujian DAI, Liefeng ZHAO
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Patent number: 11422341Abstract: 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: GrantFiled: November 20, 2018Date of Patent: August 23, 2022Assignee: ZHEJIANG SUNNY OPTICAL CO., LTDInventors: Yuanlin Jia, Kaiyuan Zhang, Biao Xu
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Patent number: 11385439Abstract: 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: GrantFiled: March 27, 2020Date of Patent: July 12, 2022Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD.Inventors: Biao Xu, Kaiyuan Zhang, Lin Huang
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Patent number: 11372208Abstract: 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: GrantFiled: October 23, 2017Date of Patent: June 28, 2022Assignee: ZHEJIANG SUNNY OPTICAL CO., LTDInventors: Ming Li, Kaiyuan Zhang
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Publication number: 20220075162Abstract: 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: ApplicationFiled: May 8, 2020Publication date: March 10, 2022Inventors: Yi ZHANG, Kaiyuan ZHANG, Fujian DAI, Liefeng ZHAO
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Publication number: 20220050268Abstract: 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: ApplicationFiled: October 30, 2019Publication date: February 17, 2022Inventors: Fujian DAI, Kaiyuan ZHANG, Yi ZHANG, Liefeng ZHAO
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Patent number: 11252259Abstract: 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: GrantFiled: March 12, 2020Date of Patent: February 15, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Dewang Ren, Heng Jin, Xiaolin Gui, Kaiyuan Zhang
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Publication number: 20210364754Abstract: 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: ApplicationFiled: April 26, 2019Publication date: November 25, 2021Inventors: Xinghai YOU, Kaiyuan ZHANG, Lin HUANG
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Patent number: 11175482Abstract: 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: GrantFiled: May 17, 2017Date of Patent: November 16, 2021Inventors: Kaiyuan Zhang, Jianke Wenren, Lin Huang, Fujian Dai
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Patent number: 11169362Abstract: 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: GrantFiled: February 13, 2019Date of Patent: November 9, 2021Assignee: ZHEJIANG SUNNY OPTICAL CO., LTDInventors: Kaiyuan Zhang, Ming Li, Biao Xu
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Patent number: 11169360Abstract: 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: GrantFiled: February 12, 2019Date of Patent: November 9, 2021Inventor: Kaiyuan Zhang
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Publication number: 20210318521Abstract: 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: ApplicationFiled: March 11, 2021Publication date: October 14, 2021Inventors: Xiaofang Wang, Kaiyuan Zhang, Fujian Dai, Liefeng Zhao
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Publication number: 20210318527Abstract: 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: ApplicationFiled: January 13, 2021Publication date: October 14, 2021Inventors: Yang GAO, Kaiyuan ZHANG, Fujian DAI, Liefeng ZHAO
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Publication number: 20210302702Abstract: 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: ApplicationFiled: March 24, 2021Publication date: September 30, 2021Inventors: Yi ZHANG, Kaiyuan ZHANG, Fujian DAI, Liefeng ZHAO