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公开(公告)号：US12117669B2
公开(公告)日：2024-10-15
申请号：US17242238
申请日：2021-04-27
发明人： Jian Wang , Lingbo He , Jianjun Li , Fujian Dai , Liefeng Zhao
CPC分类号： G02B9/34 , G02B3/04 , G02B13/004 , G02B27/0025
摘要： 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 and a fourth lens. Each of the first lens to the fourth lens has refractive power. A total effective focal length f of the optical imaging lens assembly and an effective focal length f1 of the first lens satisfy: 2.0
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公开(公告)号：US12099255B2
公开(公告)日：2024-09-24
申请号：US17216798
申请日：2021-03-30
发明人： Yabin Hu , Fujian Dai , Liefeng Zhao
摘要： 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
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公开(公告)号：US12019218B2
公开(公告)日：2024-06-25
申请号：US17211853
申请日：2021-03-25
发明人： Jiaying Zhang , Fujian Dai , Liefeng Zhao
CPC分类号： G02B13/0045 , G02B9/60 , G02B13/0065
摘要： The disclosure discloses an optical imaging lens group, which sequentially includes from an object side to an image side along an optical axis: a first prism has a first reflective surface; a first lens has a refractive power and an object-side surface thereof is a convex surface; a second lens has a refractive power; a third lens has a refractive power, an object-side surface thereof is a concave surface and an image-side surface thereof is a convex surface; a fourth lens has a refractive power; a fifth lens has a refractive power; and a second prism has a second reflective surface. An optical distortion Dist. of the optical imaging lens group satisfies: |Dist.|
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公开(公告)号：US12019215B2
公开(公告)日：2024-06-25
申请号：US17152818
申请日：2021-01-20
发明人： Xiaofang Wang , Kaiyuan Zhang , Fujian Dai , Liefeng Zhao
CPC分类号： G02B13/0045 , G02B9/64 , G02B27/0025
摘要： 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 6 mm and 0
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公开(公告)号：US12000988B2
公开(公告)日：2024-06-04
申请号：US17203419
申请日：2021-03-16
发明人： Yanping Li , Lingbo He , Fujian Dai , Liefeng Zhao
CPC分类号： G02B13/0045 , G02B9/64 , G02B27/0025
摘要： 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.
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公开(公告)号：US11960067B2
公开(公告)日：2024-04-16
申请号：US17147484
申请日：2021-01-13
发明人： Yang Gao , Kaiyuan Zhang , Fujian Dai , Liefeng Zhao
CPC分类号： G02B15/1455 , G02B7/04 , G02B13/06
摘要： 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.
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87.发明授权公开(公告)号：US11914109B2
公开(公告)日：2024-02-27
申请号：US17193456
申请日：2021-03-05
发明人： Long Li , Fujian Dai , Liefeng Zhao
CPC分类号： G02B13/0045 , G02B9/62
摘要： 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.
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公开(公告)号：US11899281B2
公开(公告)日：2024-02-13
申请号：US17258754
申请日：2019-07-11
发明人： Yuanlin Jia , Wuchao Xu , Fujian Dai , Liefeng Zhao
IPC分类号： G02B9/64
CPC分类号： G02B9/64
摘要： An optical imaging lens sequentially includes, from an object side to an image side along an optical axis: a first lens (E1) with refractive power; a second lens (E2) with positive refractive power; a third lens (E3) with positive refractive power; a fourth lens (E4) with refractive power; a fifth lens (E5) with positive refractive power; a sixth lens (E6) with refractive power; and a seventh lens (E7) with refractive power. A total effective focal length f of the optical imaging lens and a curvature radius R4 of an image-side surface of the second lens meet 0.6
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公开(公告)号：US11796775B2
公开(公告)日：2023-10-24
申请号：US17462034
申请日：2021-08-31
发明人： Qian Zhang , Yabin Hu , Fujian Dai , Liefeng Zhao
CPC分类号： G02B15/144 , G02B5/005 , G02B13/004 , G02B13/009 , G02B15/144507 , G02B15/144515 , G02B5/20 , G02B13/0055
摘要： 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 Δf 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
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公开(公告)号：US11789237B2
公开(公告)日：2023-10-17
申请号：US17144977
申请日：2021-01-08
发明人： Mengna Tang , Jianke Wenren , Fujian Dai , Liefeng Zhao
CPC分类号： G02B13/004 , G02B27/0025
摘要： The present application discloses an optical imaging system, comprising, in order from an object side to an image side along an optical axis: a planar glass, a first lens having a positive focal power, a second lens having a negative focal power and a plurality of subsequent lenses having a respective focal power, wherein the maximum field of view FOV of the optical imaging system satisfies FOV≥40°; and a radius of curvature R3 of an object side surface of the second lens and a radius of curvature R4 of an image side surface of the second lens satisfy −0.5
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