Optical imaging system
    1.
    发明授权

    公开(公告)号:US11971521B2

    公开(公告)日:2024-04-30

    申请号:US17034643

    申请日:2020-09-28

    发明人: Lingbo He Rui Zhang

    IPC分类号: G02B13/00 G02B9/34

    CPC分类号: G02B13/004 G02B9/34

    摘要: 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, a second lens, a third lens and a fourth lens. The first lens has negative refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface; the second lens has refractive power; the third lens has refractive power; and the fourth lens has positive refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface. A wavelength λ of a chief ray of the optical imaging system and a tangent tan θ of a half field-of-view of the optical imaging system satisfy 0.5 μm

    Optical imaging lens assembly
    3.
    发明授权

    公开(公告)号:US11598936B2

    公开(公告)日:2023-03-07

    申请号:US17033981

    申请日:2020-09-28

    IPC分类号: G02B13/00 G02B9/64 G02B27/00

    摘要: Some embodiments of the disclosure provide an optical imaging lens assembly. From an object side to an image side along an optical axis, the optical imaging lens assembly sequentially includes: a first lens having a refractive power; a second lens having a refractive power, and an object-side surface of the second lens is a convex surface, and an image-side surface of the second lens is a concave surface; a third lens having a refractive power; a fourth lens having a refractive power; a fifth lens having a refractive power; a sixth lens having a positive refractive power, an object-side surface of the sixth lens is a convex surface, and an image-side surface of the sixth lens is a convex surface; and a seventh lens having a negative refractive power, an object-side surface of the seventh lens is a concave surface, and an image-side surface is a concave surface.

    Optical imaging lens assembly
    4.
    发明授权

    公开(公告)号:US11947187B2

    公开(公告)日:2024-04-02

    申请号:US17034576

    申请日:2020-09-28

    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, 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

    Optical imaging system
    5.
    发明授权

    公开(公告)号:US11796765B2

    公开(公告)日:2023-10-24

    申请号:US17031628

    申请日:2020-09-24

    发明人: Wenbo Huang Lingbo He

    IPC分类号: G02B13/00 G02B9/64

    CPC分类号: G02B13/0045 G02B9/64

    摘要: 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, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens, each of which has refractive power. Each of the first lens, the third lens and the fourth lens has positive refractive power. Half of a diagonal length ImgH on an imaging plane of the optical imaging system satisfies ImgH>5 mm. A total effective focal length f of the optical imaging system and an effective focal length f3 of the third lens satisfy 2.0

    OPTICAL IMAGING LENS ASSEMBLY
    7.
    发明申请

    公开(公告)号:US20210096331A1

    公开(公告)日:2021-04-01

    申请号:US17012335

    申请日:2020-09-04

    IPC分类号: G02B13/00 G02B9/64

    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 having negative refractive power with a concave object-side surface and a concave image-side surface; a second lens having refractive power; a third lens having negative refractive power; a fourth lens having refractive power; a fifth lens having refractive power; a sixth lens having refractive power with a concave object-side surface and a concave image-side surface; a seventh lens having refractive power; and an eighth lens having refractive power.

    Camera lens assembly
    8.
    发明授权

    公开(公告)号:US10962740B2

    公开(公告)日:2021-03-30

    申请号:US16067108

    申请日:2017-09-20

    IPC分类号: G02B13/00 G02B9/64

    摘要: The present disclosure discloses a camera lens assembly, the camera lens assembly having a total effective focal length f and an entrance pupil diameter EPD, and 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 and the sixth lens has a positive refractive power; each of the second lens, the third lens, the fifth lens and the seventh lens has a positive refractive power or a negative refractive power; and the fourth lens has a negative refractive power, an object-side surface of the fourth lens is a concave surface, and an image-side surface of the fourth lens is a convex surface. The total effective focal length f and the entrance pupil diameter EPD satisfy: f/EPD≤1.7.

    OPTICAL IMAGING SYSTEM
    9.
    发明申请

    公开(公告)号:US20210033822A1

    公开(公告)日:2021-02-04

    申请号:US16925314

    申请日:2020-07-09

    IPC分类号: G02B13/00 G02B9/60

    摘要: 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 second lens having a refractive power; a third lens having a negative refractive power; a fourth lens having a refractive power with a concave object-side surface, and a convex image-side surface; and a fifth lens having a refractive power. An effective focal length f1 of the first lens and an effective focal length f2 of the second lens satisfy −2.3≤f1/f2

    Optical imaging lens including seven lenses of −−++−+−, −+++−+− or −−++−++ refractive powers

    公开(公告)号:US11874439B2

    公开(公告)日:2024-01-16

    申请号:US17037725

    申请日:2020-09-30

    IPC分类号: G02B13/00 G02B9/64

    CPC分类号: G02B13/0045 G02B9/64

    摘要: The disclosure discloses an optical imaging lens. The optical imaging lens sequentially includes from an object side to an image side along an optical axis: a first lens having a negative focal power, and provided with an object-side surface, the object-side surface is concave surface; a second lens having a focal power; a third lens having a focal power; a fourth lens having a positive focal power; a fifth lens having a negative focal power, and provided with an image-side surface, the image-side surface is concave surface; a sixth lens having a positive focal power; and a seventh lens having a focal power; at least one aspherical mirror surface is included in the object-side surface of the first lens to an image-side surface of the seventh lens; and a maximum Field of View (FOV) of the optical imaging lens meets 105°≤FOV≤135°.