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    Optical imaging module, image capturing apparatus and electronic device
    3.
    发明授权
    Optical imaging module, image capturing apparatus and electronic device 有权

    公开(公告)号：US10317646B2

    公开(公告)日：2019-06-11

    申请号：US15673615

    申请日：2017-08-10

    Applicant: LARGAN PRECISION CO., LTD.

    Inventor： Cheng-Chen Lin ,  Chun-Yen Chen ,  Yu-Tai Tseng ,  Kuan-Ting Yeh ,  Hsin-Hsuan Huang

    IPC: G02B9/62 ,  G02B13/00 ,  G02B13/18 ,  G02B27/00 ,  G02B13/04 ,  H04N5/225

    Abstract: An optical imaging module includes six lens elements, the six lens elements being, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element has negative refractive power. The second lens element has an image-side surface being concave. The third lens element has an image-side surface being convex. The fourth lens element has positive refractive power. The fifth lens element with negative refractive power has an object-side surface being concave and an image-side surface being convex. The sixth lens element has an image-side surface being concave, wherein an object-side surface and the image-side surface of the sixth lens element are both aspheric, and the image-side surface of the sixth lens element includes at least one inflection point.

    Image lens assembly, zoom imaging apparatus and electronic device
    5.
    发明授权
    Image lens assembly, zoom imaging apparatus and electronic device 有权

    公开(公告)号：US11966031B2

    公开(公告)日：2024-04-23

    申请号：US17516771

    申请日：2021-11-02

    Applicant: LARGAN PRECISION CO., LTD.

    Inventor： Kuan-Ting Yeh ,  Wei-Yu Chen

    IPC: G02B15/14 ,  G02B9/34 ,  G02B13/00

    CPC classification number: G02B15/144 ,  G02B9/34 ,  G02B13/004

    Abstract: An image lens assembly includes, in order from an object side to an image side along an optical path, a first lens group, a second lens group, a third lens group and a fourth lens group. A total number of lens elements in the image lens assembly is seven. The first lens group includes a first lens element with positive refractive power and a second lens element with negative refractive power. Each of the second lens group and the third lens group includes at least one lens element. The fourth lens group includes a seventh lens element. When the image lens assembly is focusing or zooming, a relative position between the first lens group and an image surface is fixed, a relative position between the fourth lens group and the image surface is fixed, and the second lens group and the third lens group move along the optical axis.

    Photographing lens assembly, image capturing unit and electronic device
    6.
    发明授权
    Photographing lens assembly, image capturing unit and electronic device 有权

    公开(公告)号：US11333862B2

    公开(公告)日：2022-05-17

    申请号：US16838843

    申请日：2020-04-02

    Applicant: LARGAN PRECISION CO., LTD.

    Inventor： Po-Lun Hsu ,  Wei-Yu Chen ,  Kuan-Ting Yeh ,  Ssu-Hsin Liu

    IPC: G02B9/62 ,  G02B13/00

    Abstract: A photographing lens assembly includes, in order from an object side to an image side: a first, a second, a third, a fourth, a fifth and a sixth lens elements. The first lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof, wherein the object-side surface has at least one convex critical point in an off-axis region thereof. The third lens element has an image-side surface being convex in a paraxial region thereof. The fourth lens element has positive refractive power. The fifth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof, and an image-side surface being convex in a paraxial region thereof. The sixth lens element has an image-side surface being concave in a paraxial region thereof, wherein the image-side surface has at least one convex critical point in an off-axis region thereof.

    Optical photographing lens assembly, image capturing unit and electronic device
    8.
    发明授权
    Optical photographing lens assembly, image capturing unit and electronic device 有权

    公开(公告)号：US10185128B2

    公开(公告)日：2019-01-22

    申请号：US15646978

    申请日：2017-07-11

    Applicant: LARGAN Precision Co., Ltd.

    Inventor： Chun-Che Hsueh ,  Wei-Yu Chen ,  Chun-Shan Chen ,  Hsuan-Chin Huang ,  Kuan-Ting Yeh

    IPC: G02B13/18 ,  G02B3/02 ,  G02B9/60 ,  G02B13/00 ,  H04N5/225

    Abstract: An optical photographing lens assembly includes five lens elements, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has a convex object-side surface in a paraxial region thereof. The second lens element with negative refractive power has a convex object-side surface and a concave image-side surface in a paraxial region thereof. The fourth lens element with positive refractive power has a convex image-side surface in a paraxial region thereof. The fifth lens element with negative refractive power has a concave image-side surface in a paraxial region thereof, wherein the image-side surface of the fifth lens element has at least one convex critical point in an off-axial region thereof, and two surfaces of the fifth lens element are both aspheric.

    Optical imaging system, image capturing unit and electronic device
    9.
    发明授权
    Optical imaging system, image capturing unit and electronic device 有权

    公开(公告)号：US12019306B2

    公开(公告)日：2024-06-25

    申请号：US17382049

    申请日：2021-07-21

    Applicant: LARGAN PRECISION CO., LTD.

    Inventor： Yi-Hsiang Chuang ,  Kuan Chun Wang ,  Chun-Yen Chen ,  Kuan-Ting Yeh ,  Yu-Chun Ke ,  Tzu-Chieh Kuo

    IPC: G02B9/62 ,  G02B13/00

    CPC classification number: G02B9/62 ,  G02B13/0045

    Abstract: An optical imaging system includes six lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. Each of the six lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The first lens element has negative refractive power, and the object-side surface of the first lens element is concave in a paraxial region thereof. The image-side surface of the second lens element is concave in a paraxial region thereof. The fourth lens element has negative refractive power. The image-side surface of the sixth lens element is concave in a paraxial region thereof and has at least one critical point in an off-axis region thereof.

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