Patents by Inventor Fujian ZHAO

Fujian ZHAO 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: 11960062
    Abstract: The present application discloses an optical imaging lens, comprising, in order 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 positive refractive power; a third lens having a negative refractive power; a fourth lens; a fifth lens having a negative refractive power; and a sixth lens having a positive refractive power, wherein a distance TTL from an object side surface of the first lens to an imaging plane of the optical imaging lens on the optical axis and an entrance pupil diameter EPD of the optical imaging lens satisfy TTL/EPD<1.9; and a total effective focal length f of the optical imaging lens satisfies 6.0 mm<f<7.5 mm.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: April 16, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Shuang Zhang, Xiaobin Zhang, Jianke Wenren, Fujian Dai, Liefeng Zhao
  • Patent number: 11960067
    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: Grant
    Filed: January 13, 2021
    Date of Patent: April 16, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Yang Gao, Kaiyuan Zhang, Fujian Dai, Liefeng Zhao
  • Patent number: 11947186
    Abstract: The disclosure provides an optical imaging lens assembly and a fingerprint identification device with the optical imaging lens assembly. The optical imaging lens assembly sequentially comprises, from an object side to an image side along an optical axis: a first lens with a negative refractive power, an object-side surface thereof being a concave surface; a second lens with a positive refractive power, an object-side surface thereof being a convex surface; and a third lens with a positive refractive power, an object-side surface thereof being a convex surface while an image-side surface being a convex surface. EPD is an entrance pupil diameter of the optical imaging lens assembly, and a total effective focal length f of the optical imaging lens assembly and EPD meet f/EPD<1.65. FOV is a maximum field of view of the optical imaging lens assembly, and FOV meets 125°<FOV<140°.
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: April 2, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Li Xie, 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: 11934037
    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 having refractive power; a first prism having a first reflecting surface, and an angle between the first reflecting surface and the optical axis being 45°; a stop; a second lens having refractive power; a third lens having refractive power; a fourth lens having refractive power; a second prism having a second reflecting surface, and an angle between the second reflecting surface and the optical axis being 45°; and a fifth lens having refractive power. A maximum field-of-view FOV of the camera lens group satisfies: FOV?80.0°.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: March 19, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Long Li, Jianke Wenren, Fujian Dai, Liefeng Zhao
  • 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: 20240069308
    Abstract: An optical imaging lens assembly, including: an imaging lens group, consisting of a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens arranged in sequence from an object side to an image side along an optical axis, where the sixth lens has at least one inflection point on an image-side surface; a plurality of spacing elements, including a first spacing element disposed between the first lens and the second lens, a second spacing element disposed between the second lens and the third lens, a third spacing element disposed between the third lens and the fourth lens and a fifth spacing element disposed between the fifth lens and the sixth lens; and a lens barrel.
    Type: Application
    Filed: April 14, 2023
    Publication date: February 29, 2024
    Inventors: Leilei Fu, Xujiong Wu, Qi Chen, Fujian Dai, Liefeng Zhao
  • Patent number: 11914111
    Abstract: The disclosure provides an imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis, a movable diaphragm, a first lens with a positive refractive power, a second lens with a negative refractive power, a third lens with a refractive power, a fourth lens with a refractive power, a fifth lens with a refractive power and a sixth lens with a negative refractive power, wherein TSmin is a distance from the movable diaphragm at a minimum distance from an imaging surface of the imaging lens assembly to an object-side surface of the first lens on the optical axis, TSmax is a distance from the movable diaphragm at a maximum distance from the imaging surface of the imaging lens assembly to the object-side surface of the first lens on the optical axis and EPDmin is a minimum entrance pupil diameter of the imaging lens assembly.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: February 27, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Yi Zhang, Fujian Dai, Liefeng Zhao
  • Patent number: 11914127
    Abstract: The present disclosure discloses a camera apparatus including a first optical system and a second optical system. The second optical system includes a secondary reflecting mirror, a main reflecting mirror with an opening in a center area thereof, and a lens group, which are sequentially arranged from an object side to an image side. Light from the object side is sequentially reflected by the main reflecting mirror and the secondary reflecting mirror, and then enters the lens group through the opening. A total effective focal length F1 of the first optical system and a total effective focal length F2 of the second optical system satisfy: F2/F1>10.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: February 27, 2024
    Assignee: Zhejiang Sunny Optics Co., Ltd
    Inventors: Kaiyuan Zhang, Yi Zhang, Fujian Dai, Liefeng Zhao
  • Patent number: 11914109
    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 having refractive power, a convex object-side surface and a concave image-side surface; a second lens having positive refractive power, a convex object-side surface and a concave image-side surface; a third lens having negative refractive power, a concave object-side surface 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; and a sixth lens having refractive power, a convex object-side surface and a concave image-side surface. An F number Fno of the camera lens group satisfies: Fno?1.45.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: February 27, 2024
    Assignee: Zhejiang Sunny Optics Co., Ltd
    Inventors: Long Li, Fujian Dai, Liefeng Zhao
  • Patent number: 11914222
    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 refractive power; a second lens having negative refractive power; a third lens having negative refractive power; a fourth lens having refractive power, a convex object-side surface and a concave image-side surface; and a fifth lens having refractive power. A distance TTL along the optical axis from an object-side surface of the first lens to an imaging plane of the optical imaging system and half of a diagonal length ImgH of an effective pixel area on the imaging plane of the optical imaging system satisfy: 1.0<TTL/ImgH<1.5.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: February 27, 2024
    Assignee: Zhejiang Sunny Optics Co., Ltd
    Inventors: Yuhao Wang, Yang Li, Lingbo He, Fujian Dai, Liefeng Zhao
  • Patent number: 11779129
    Abstract: The present utility model provides a game table and chair for babies, comprising a semi-closed seat with armrests and a backrest, wherein the front sides of the armrests are detachably connected with a table board; the outer side faces of the armrests are planes, and table top mounting belts are arranged on the outer side faces; the two sides of the table top mounting belts are connected with the armrests, and first mounting holes are formed between the middles of the table top mounting belts and the armrests; the side face of the table board is correspondingly connected with table top mounting strips; magic tapes and magic tape fasteners are arranged at the ends and belt bodies of the table top mounting strips respectively; the table top mounting strips penetrate through the first mounting holes, and the table top mounting strips and the seat are detachably connected together through the magic tapes and the magic tape fasteners; two backrest mounting belts are arranged on the front face of the backrest; the
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: October 10, 2023
    Assignee: ZHEJIANG ASWEETS KIDS PRODUCT CO., LTD.
    Inventor: Fujian Zhao
  • Publication number: 20230050953
    Abstract: The present utility model provides a game table and chair for babies, comprising a semi-closed seat with armrests and a backrest, wherein the front sides of the armrests are detachably connected with a table board; the outer side faces of the armrests are planes, and table top mounting belts are arranged on the outer side faces; the two sides of the table top mounting belts are connected with the armrests, and first mounting holes are formed between the middles of the table top mounting belts and the armrests; the side face of the table board is correspondingly connected with table top mounting strips; magic tapes and magic tape fasteners are arranged at the ends and belt bodies of the table top mounting strips respectively; the table top mounting strips penetrate through the first mounting holes, and the table top mounting strips and the seat are detachably connected together through the magic tapes and the magic tape fasteners; two backrest mounting belts are arranged on the front face of the backrest; the
    Type: Application
    Filed: June 11, 2021
    Publication date: February 16, 2023
    Inventor: Fujian ZHAO
  • Patent number: 11383784
    Abstract: A child balance bike includes a bike body and a coat. The bike body includes a frame, a stem and wheels. The coat includes a main coat body and a head body, wherein the main coat body is provided with lower ends corresponding to legs of an animal, and an inside of the lower ends is provided with an end pocket and a locking portion. The main coat body and the head body are connected as a whole behind the stem, a portion of the coat behind the stem is a filling housing segment through which the head body and the main coat body penetrates and filled with a filler, and the head body is hung on the stem through the filling housing segment filled with the filler. The present invention has a simple structure and convenient operation for connecting.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: July 12, 2022
    Assignee: Hangzhou Asweets Cultural Creative Co., Ltd.
    Inventor: Fujian Zhao
  • Publication number: 20220175153
    Abstract: The present invention provides a baby walker, comprising a frame structure, the frame structure is composed of a bottom plate, side plates, a game panel and idler wheel supports on the two sides of the game panel, the side plates are correspondingly arranged on the two sides of the bottom plate, the idler wheel supports are fixed to the outer side faces of the side plates, idler wheels are arranged on the lower portions of the idler wheel supports, and the game panel is arranged on the front side of the frame structure. The present invention overcomes the defects of single function, and has teaching significance while improving interestingness, stability and safety.
    Type: Application
    Filed: December 7, 2021
    Publication date: June 9, 2022
    Inventor: Fujian ZHAO
  • Publication number: 20210332582
    Abstract: A spherical tent frame includes a plurality of support rods and a plurality of connecting members, each of the connecting members is provided with at least two connectors and each of the connectors is axially embedded with a socket; wherein an annular groove is provided in a position of the inner wall of the socket close to the bottom, and a plurality of elastic pieces pointing to the center of the bottom of the socket are arranged along the upper edge of the annular groove; both ends of each of the support rods are inserted to the socket to form a hemispherical frame put up with triangles as a unit and the connecting member as a vertex.
    Type: Application
    Filed: July 8, 2021
    Publication date: October 28, 2021
    Inventor: Fujian ZHAO
  • Patent number: 11091905
    Abstract: The present utility model provides a spherical tent frame, comprising a plurality of support rods and a plurality of connecting members, each of the connecting members is provided with at least two connectors and each of the connectors is axially embedded with a socket; wherein an annular groove is provided in a position of the inner wall of the socket close to the bottom, and a plurality of elastic pieces pointing to the center of the bottom of the socket are arranged along the upper edge of the annular groove; both ends of each of the support rods are inserted to the socket to form a hemispherical frame put up with triangles as a unit and the connecting member as a vertex.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: August 17, 2021
    Assignee: ZHEJIANG GARDEN-BEE HORTICULTURE TECHNOLOGY CO., LTD.
    Inventor: Fujian Zhao
  • Publication number: 20210094646
    Abstract: A child balance bike includes a bike body and a coat. The bike body includes a frame, a stem and wheels. The coat includes a main coat body and a head body, wherein the main coat body is provided with lower ends corresponding to legs of an animal, and an inside of the lower ends is provided with an end pocket and a locking portion. The main coat body and the head body are connected as a whole behind the stem, a portion of the coat behind the stem is a filling housing segment through which the head body and the main coat body penetrates and filled with a filler, and the head body is hung on the stem through the filling housing segment filled with the filler. The present invention has a simple structure and convenient operation for connecting.
    Type: Application
    Filed: March 23, 2020
    Publication date: April 1, 2021
    Applicant: Hangzhou Asweets Cultural Creative Co., Ltd.
    Inventor: Fujian Zhao
  • Publication number: 20190203498
    Abstract: The present utility model provides a spherical tent frame, comprising a plurality of support rods and a plurality of connecting members, each of the connecting members is provided with at least two connectors and each of the connectors is axially embedded with a socket; wherein an annular groove is provided in a position of the inner wall of the socket close to the bottom, and a plurality of elastic pieces pointing to the center of the bottom of the socket are arranged along the upper edge of the annular groove; both ends of each of the support rods are inserted to the socket to form a hemispherical frame put up with triangles as a unit and the connecting member as a vertex.
    Type: Application
    Filed: December 28, 2018
    Publication date: July 4, 2019
    Inventor: Fujian ZHAO
  • Patent number: 10051966
    Abstract: The technical problem to be solved by the invention is to provide a hanging basket chair, including a hanging basket part, wherein the hanging basket part includes a skeleton belt (1), a top fabric decoration body (21) and a fabric hanging basket body (22) shaped like a pocket; both the top fabric decoration body and the fabric hanging basket body are connected to the skeleton belt by suturing; the upper part of the skeleton belt is sutured into a connecting ring (11) for hooking; the body of the skeleton belt is positioned at the pocket mouth (4) of the pocket, forming an annular pocket mouth brim.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: August 21, 2018
    Assignee: Hangzhou Zhaos IMP & EXP. Co., Ltd.
    Inventor: Fujian Zhao