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).
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Patent number: 11899168Abstract: The present disclosure provides an optical imaging lens assembly including, sequentially from an object side to an image side along an optical axis, a first lens having positive refractive power; a second lens having positive refractive power and a convex object-side surface; and a third lens having negative 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 lens assembly and half of a diagonal length ImgH of an effective pixel area on the imaging plane satisfy 2.0<TTL/ImgH<2.5.Type: GrantFiled: March 19, 2021Date of Patent: February 13, 2024Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.Inventors: Yabin Hu, Fujian Dai, Liefeng Zhao
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Patent number: 11880024Abstract: Disclosed herein is an optical imaging lens group, including, in order from an object side to an image side along an optical axis: a first lens group having a refractive power, in which an image side surface of a lens closest to an imaging side is concave; a second and a third lens group having a refractive power; and a fourth lens group having a negative refractive power, in which an image side surface of a lens closest to the imaging side is concave and includes at least one inflection point, wherein the first lens group is a fixed group, and the second, third and fourth lens groups move on the optical axis to realize continuous zoom from a wide-angle end to a telephoto end; and an on-axis distance TTL and an effective focal length ft of the optical imaging lens group at the telephoto end satisfy: 0.8<TTL/ft<1.5.Type: GrantFiled: August 2, 2021Date of Patent: January 23, 2024Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.Inventors: Yabin Hu, Fujian Dai, Liefeng Zhao
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Patent number: 11796775Abstract: The disclosure provides a zoom lens assembly, which sequentially includes from an object side to an image side along an optical axis: a first lens group; a second lens group with a positive refractive power, spaced from the first lens group by a first air space and movable on the optical axis; a third lens group with a positive refractive power, spaced from the second lens group by a second air space and movable on the optical axis; and a fourth lens group, spaced from the third lens group by a third air space; wherein a Total Track Length (TTL) of the zoom lens assembly and a difference ?f between an effective focal length of the zoom lens assembly at a wide end and an effective focal length of the zoom lens assembly at a tele end satisfy 2.5<TTL/|?f|<4.0.Type: GrantFiled: August 31, 2021Date of Patent: October 24, 2023Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.Inventors: Qian Zhang, Yabin Hu, Fujian Dai, Liefeng Zhao
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Publication number: 20230251473Abstract: The present disclosure discloses an optical imaging lens assembly. The optical imaging lens assembly comprises: an imaging lens group, composed of a first lens, a second lens, a third lens, a fourth lens and a fifth lens that are sequentially arranged along an optical axis from an object side to an image side; a fourth spacing elements; and a lens barrel, forming an accommodation space in which the imaging lens group and the fourth spacing elements are accommodated. The lens barrel comprises an object-end surface close to the object side, an image-end surface close to the image side, an inner wall and an outer wall.Type: ApplicationFiled: April 18, 2023Publication date: August 10, 2023Applicant: Zhejiang Sunny Optics Co., LtdInventors: Congchun HUANG, Yabin HU, Xiuxun DOU, Jianke WENREN, Fujian DAI, Liefeng ZHAO
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Patent number: 11693217Abstract: 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 positive refractive power; a second lens having refractive power; a third lens having positive refractive power with a concave object-side surface and a convex image-side surface; a fourth lens having positive refractive power with a concave object-side surface and a convex image-side surface; and a fifth lens having refractive power. Half of a maximal field-of-view Semi-FOV of the optical imaging lens assembly satisfies: Semi-FOV>48°.Type: GrantFiled: September 28, 2020Date of Patent: July 4, 2023Assignee: ZHEJIANG SUNNY OPTICAL CO., LTDInventors: Yabin Hu, Fujian Dai, Liefeng Zhao
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Patent number: 11644649Abstract: 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: GrantFiled: April 24, 2020Date of Patent: May 9, 2023Assignee: Zhejiang Sunny Optical Co., LtdInventors: Yabin Hu, Jianke Wenren, Ming Li
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Patent number: 11550127Abstract: 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: GrantFiled: May 8, 2020Date of Patent: January 10, 2023Assignee: Zhejiang Sunny Optical Co., LtdInventors: Xin Wang, Yabin Hu, Fujian Dai, Liefeng Zhao
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Patent number: 11543634Abstract: 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: GrantFiled: April 28, 2020Date of Patent: January 3, 2023Assignee: Zhejiang Sunny Optical Co., LtdInventors: Xule Kong, Yabin Hu, Jianke Wenren
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Publication number: 20220334355Abstract: The disclosure discloses an optical imaging system, which sequentially includes from an object side to an image side along an optical axis: a diaphragm; a first lens with a positive refractive power; a second lens with a refractive power; a third lens with a refractive power; a fourth lens with a refractive power; a fifth lens with a refractive power; a sixth lens with a refractive power, an object-side surface thereof is a convex surface; and a seventh lens with a positive refractive power, wherein an effective focal length f of the optical imaging system and an entrance pupil diameter (EPD) of the optical imaging system satisfy: f/EPD<1.3; and TTL is an on-axis distance from an object-side surface of the first lens to an imaging surface, Semi-FOV is a half of a maximum field of view of the optical imaging system, and TTL and Semi-FOV satisfy: 3.0 mm<TTL×Tan(Semi-FOV)<4.0 mm.Type: ApplicationFiled: April 12, 2022Publication date: October 20, 2022Inventors: Wenchao ZHAO, Yabin HU, Jianke WENREN, Fujian DAI, Liefeng ZHAO
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Publication number: 20220334362Abstract: The disclosure provides an optical imaging system, which sequentially includes from an object side to an image side along an optical axis: a diaphragm; a first lens with a refractive power; a second lens with a negative refractive power; a third lens with a refractive power; a fourth lens with a negative refractive power; a fifth lens with a refractive power; a sixth lens with a positive refractive power, an image-side surface thereof is a convex surface; and a seventh lens with a refractive power, wherein an effective focal length f of the optical imaging system and an entrance pupil diameter (EPD) of the optical imaging system satisfy: f/EPD<1.4; the effective focal length f of the optical imaging system and a curvature radius R4 of an image-side surface of the second lens satisfy: 2.5<f/R?3.5.Type: ApplicationFiled: April 12, 2022Publication date: October 20, 2022Inventors: Jian ZHANG, Yabin HU, Jianke WENREN, Fujian DAI, Liefeng ZHAO
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Patent number: 11460667Abstract: An optical imaging lens assembly is provided. The optical imaging lens includes a first lens (E1), a second lens (E2), a third lens (E3), a fourth lens (E4), a fifth lens (E5), a sixth lens (E6) and a seventh lens (E7) which are provided in sequence from an object side to an image side along an optical axis and have refractive powers. The first lens has a positive refractive power. The fourth lens has a positive refractive power. The sixth lens has a negative refractive power. The seventh lens has a negative refractive power. An object-side surface (S7) of the fourth lens is a concave surface, and an image-side surface (S8) is a convex surface. An object-side surface (S9) of the fifth lens is a convex surface.Type: GrantFiled: September 26, 2018Date of Patent: October 4, 2022Assignee: ZHEJIANG SUNNY OPTICAL CO., LTDInventors: Yabin Hu, Bo Song, Ling Ding
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Publication number: 20220236542Abstract: The present disclosure discloses a zoom lens assembly. The zoom lens assembly comprises, sequentially along an optical axis from an object side to an image side, a first lens group comprising a first lens and a second lens; a second lens group having a positive refractive power and comprising a third lens, a fourth lens and a fifth lens; a third lens group having a negative refractive power and comprising a sixth lens; and a fourth lens group having a positive refractive power and comprising a seventh lens and an eighth lens. At least one of the first lens to the eighth lens is an aspheric lens. By changing positions of at least two lens groups in the second lens group, the third lens group and the fourth lens group on the optical axis, the zoom lens assembly switches between a wide-angle state and a telephoto state, and a focal length of the zoom lens assembly changes linearly when the zoom lens assembly switches from the wide-angle state to the telephoto state.Type: ApplicationFiled: November 17, 2021Publication date: July 28, 2022Applicant: ZHEJIANG SUNNY OPTICS CO., LTD.Inventors: Yabin HU, Liefeng ZHAO, Fujian DAI
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Patent number: 11333855Abstract: 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: GrantFiled: September 20, 2017Date of Patent: May 17, 2022Assignee: ZHEJIANG SUNNY OPTICAL CO., LTDInventor: Yabin Hu
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Publication number: 20220066183Abstract: Disclosed herein is an optical imaging lens group, including, in order from an object side to an image side along an optical axis: a first lens group having a refractive power, in which an image side surface of a lens closest to an imaging side is concave; a second and a third lens group having a refractive power; and a fourth lens group having a negative refractive power, in which an image side surface of a lens closest to the imaging side is concave and includes at least one inflection point, wherein the first lens group is a fixed group, and the second, third and fourth lens groups move on the optical axis to realize continuous zoom from a wide-angle end to a telephoto end; and an on-axis distance TTL and an effective focal length ft of the optical imaging lens group at the telephoto end satisfy: 0.8<TTL/ft<1.5.Type: ApplicationFiled: August 2, 2021Publication date: March 3, 2022Applicant: ZHEJIANG SUNNY OPTICS CO., LTD.Inventors: Yabin HU, Fujian DAI, Liefeng ZHAO
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Publication number: 20220066184Abstract: The disclosure provides a zoom lens assembly, which sequentially includes from an object side to an image side along an optical axis: a first lens group; a second lens group with a positive refractive power, spaced from the first lens group by a first air space and movable on the optical axis; a third lens group with a positive refractive power, spaced from the second lens group by a second air space and movable on the optical axis; and a fourth lens group, spaced from the third lens group by a third air space; wherein a Total Track Length (TTL) of the zoom lens assembly and a difference ?f between an effective focal length of the zoom lens assembly at a wide end and an effective focal length of the zoom lens assembly at a tele end satisfy 2.5<TTL/|?f|<4.0.Type: ApplicationFiled: August 31, 2021Publication date: March 3, 2022Inventors: Qian ZHANG, Yabin HU, Fujian DAI, Liefeng ZHAO
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Publication number: 20210373300Abstract: The disclosure provides a camera lens group, which sequentially includes, from an object side to an image side along an optical axis: a first lens group with a positive refractive power, sequentially including, along the optical axis, a first lens, a second lens and a third lens with refractive power respectively; and a second lens group with a negative refractive power, sequentially including, the optical axis, a fourth lens, a fifth lens, a sixth lens and a seventh lens with refractive power respectively, wherein a total effective focal length f of the camera lens group and an entrance pupil diameter (EPD) of the camera lens group meet f/EPD<1.4; and an effective focal length f1 of the first lens and a spacing distance T34 of the third lens and the fourth lens on the optical axis meet 3.0<f1/T34<5.0.Type: ApplicationFiled: May 11, 2021Publication date: December 2, 2021Inventors: Yabin HU, Jian ZHANG, Liefeng ZHAO, Fujian DAI
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Publication number: 20210319147Abstract: The present invention relates to an ultrathin omnidirectional vibration-isolation metasurface structure and a design method thereof. The omnidirectional vibration-isolation metasurface structure includes a flat plate and a vibration isolation metasurface structure arranged on the flat plate. The vibration isolation metasurface structure is designed in any closed shape according to the shape and position of a vibration source. The vibration isolation metasurface structure is composed of periodically arranged supercells. Each supercell includes j unit cells with a gradient index. The unit cell is in a zigzag shape. The total reflection of elastic waves at any incident angle is realized by designing an elastic wave metasurface with a sub-wavelength thickness in the present invention, so that a vibration isolation purpose is achieved.Type: ApplicationFiled: June 17, 2021Publication date: October 14, 2021Inventors: Bing Li, Yabin Hu, Heyuan Huang, Wenzhi Wang, Chi Hou, Meiying Zhao, Xiaopeng Wan, Yixin Xu
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Publication number: 20210278634Abstract: An optical imaging lens assembly is provided. The optical imaging lens includes a first lens (E1), a second lens (E2), a third lens (E3), a fourth lens (E4), a fifth lens (E5), a sixth lens (E6) and a seventh lens (E7) which are provided in sequence from an object side to an image side along an optical axis and have refractive powers. The first lens has a positive refractive power. The fourth lens has a positive refractive power. The sixth lens has a negative refractive power. The seventh lens has a negative refractive power. An object-side surface (S7) of the fourth lens is a concave surface, and an image-side surface (S8) is a convex surface. An object-side surface (S9) of the fifth lens is a convex surface.Type: ApplicationFiled: September 26, 2018Publication date: September 9, 2021Inventors: Yabin HU, Bo SONG, Ling DING
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Publication number: 20210271053Abstract: 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. A center thickness CT6 of the sixth lens along the optical axis and a spaced interval T56 between the fifth lens and the sixth lens along the optical axis satisfy: 1.5<CT6/T56<2.6. A relative F number Fno of the optical imaging lens assembly satisfies: Fno?1.7.Type: ApplicationFiled: September 29, 2020Publication date: September 2, 2021Inventors: Yabin HU, Liefeng ZHAO, Fujian DAI
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Publication number: 20210215907Abstract: 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 and a seventh lens. Each of the first lens to the seventh lens has refractive power. The first lens has positive refractive power, and the third lens has negative refractive power. Half of a diagonal length ImgH of an effective pixel area on an imaging plane of the optical imaging lens assembly satisfies: ImgH>5 mm; and a relative F number Fno of the optical imaging lens assembly satisfies Fno<1.6.Type: ApplicationFiled: March 30, 2021Publication date: July 15, 2021Applicant: ZHEJIANG SUNNY OPTICS CO., LTD.Inventors: Yabin HU, Fujian DAI, Liefeng ZHAO