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    Plastic lens assembly, imaging lens module and electronic device
    4.
    发明授权
    Plastic lens assembly, imaging lens module and electronic device 有权

    公开(公告)号：US11686917B2

    公开(公告)日：2023-06-27

    申请号：US17848495

    申请日：2022-06-24

    Applicant: LARGAN PRECISION CO., LTD.

    Inventor： Ming-Ta Chou ,  Hsiang-Chi Tang ,  Tzu-Chieh Kuo

    IPC: G02B7/02 ,  G02B1/04 ,  G02B13/00 ,  G02B9/64

    CPC classification number: G02B7/025 ,  G02B1/041 ,  G02B7/021 ,  G02B7/022 ,  G02B9/64 ,  G02B13/006 ,  G02B13/0045

    Abstract: A plastic lens assembly includes at least two plastic lens elements and at least one cementing glue coating. The plastic lens elements include a first plastic lens element and a second plastic lens element. The first plastic lens element has a first optical effective portion and a first peripheral portion, wherein the first peripheral portion surrounds the first optical effective portion. The second plastic lens element has a second optical effective portion and a second peripheral portion, wherein the second peripheral portion surrounds the second optical effective portion. The cementing glue coating is disposed between the first optical effective portion and the second optical effective portion, and for cementing the first plastic lens element and the second plastic lens element, wherein at least one optical gap is formed between the first optical effective portion and the second optical effective portion.

    Image capturing optical lens system
    5.
    发明授权
    Image capturing optical lens system 有权

    公开(公告)号：US11573406B2

    公开(公告)日：2023-02-07

    申请号：US17140149

    申请日：2021-01-04

    Applicant: LARGAN PRECISION CO., LTD.

    Inventor： Hsiang-Chi Tang ,  Tsung-Han Tsai ,  Hsin-Hsuan Huang

    IPC: G02B13/18 ,  G02B9/62 ,  G02B13/00 ,  G02B27/00

    Abstract: An image capturing optical lens system includes, 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 with positive refractive power has a convex object-side surface. The second lens element has refractive power. The third lens element with refractive power has a concave image-side surface. The fourth lens element has refractive power, and at least one surface thereof is aspheric. The fifth lens element with negative refractive power has a concave object-side surface and a convex image-side surface, and the surfaces thereof are aspheric. The sixth lens element with refractive power has a convex object-side surface, and an image-side surface changing from concave at a paraxial region thereof to convex at a peripheral region thereof, and the surfaces are aspheric.

    Imaging lens assembly, camera module and electronic device
    6.
    发明授权
    Imaging lens assembly, camera module and electronic device 有权

    公开(公告)号：US10935801B2

    公开(公告)日：2021-03-02

    申请号：US16708506

    申请日：2019-12-10

    Applicant: LARGAN PRECISION CO., LTD.

    Inventor： Hsiang-Chi Tang ,  Cheng-Chen Lin ,  Ming-Ta Chou

    IPC: G02B27/09 ,  G02B9/34 ,  H04N5/225 ,  G02B7/02 ,  G02B13/00 ,  G02B9/60

    Abstract: An imaging lens assembly includes a plastic barrel and an imaging lens set. The plastic barrel includes an object-side aperture and a first annular surface. The imaging lens set includes a plurality of optical elements, wherein at least one of the optical elements is a plastic lens element, and the plastic lens element includes an effective optical portion, a peripheral portion, a second annular surface, and an object-side connecting surface. The peripheral portion is formed around the effective optical portion. The second annular surface is formed on an object-side surface of the plastic lens element and surrounds the effective optical portion. The object-side connecting surface is formed on the object-side surface of the plastic lens element and surrounds the effective optical portion, and the object-side connecting surface is connected with one of the optical elements disposed on an object side of the plastic lens element.

    Imaging lens system, image capturing device and electronic device
    7.
    发明授权
    Imaging lens system, image capturing device and electronic device 有权
    成像透镜系统，摄像装置和电子装置

    公开(公告)号：US09482844B2

    公开(公告)日：2016-11-01

    申请号：US14564589

    申请日：2014-12-09

    Applicant: LARGAN PRECISION CO., LTD.

    Inventor： Cheng-Chen Lin ,  Hsiang-Chi Tang ,  Kuan-Ming Chen ,  Wei-Yu Chen

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

    CPC classification number: G02B13/0045 ,  G02B9/60 ,  G02B13/18 ,  H04N5/2253 ,  H04N5/2254

    Abstract: An imaging lens system includes, 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. The second lens element with negative refractive power has a convex object-side surface and a concave image-side surface. The third lens element with negative refractive power has a concave image-side surface and the image-side surface having at least one inflection point in an off-axis region. The fourth lens element with positive refractive power has a concave object-side surface and a convex image-side surface. The fifth lens element with negative refractive power has a concave object-side surface and a concave image-side surface with at least one convex shape in an off-axis region.

    Abstract translation: 成像透镜系统从物体侧到像侧依次包括第一透镜元件，第二透镜元件，第三透镜​​元件，第四透镜元件和第五透镜元件。 具有正折光力的第一透镜元件具有凸的物体侧表面。 具有负屈光力的第二透镜元件具有凸的物体侧表面和凹形的图像侧表面。 具有负屈光力的第三透镜元件具有凹形图像侧表面，并且图像侧表面在偏轴区域中具有至少一个拐点。 具有正折光力的第四透镜元件具有凹面物侧表面和凸像侧表面。 具有负屈光力的第五透镜元件具有在偏轴区域中具有至少一个凸起形状的凹面物侧表面和凹面像侧表面。

    Photographing system
    8.
    发明授权
    Photographing system 有权
    摄影系统

    公开(公告)号：US09239410B2

    公开(公告)日：2016-01-19

    申请号：US14302410

    申请日：2014-06-11

    Applicant: LARGAN PRECISION CO., LTD.

    Inventor： Chun-Shan Chen ,  Hsiang-Chi Tang ,  Po-Lun Hsu ,  Ming-Ta Chou

    IPC: G02B3/02 ,  G02B13/18 ,  G02B9/60 ,  G02B3/04 ,  G02B13/00

    CPC classification number: G02B3/04 ,  G02B9/60 ,  G02B13/0045 ,  G02B13/18

    Abstract: A photographing system includes, 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 has positive refractive power. The second lens element has negative refractive power. The third lens element with positive refractive power has a convex object-side surface and a convex image-side surface. The fourth lens element with negative refractive power has a concave object-side surface. The object-side surface and an image-side surface of the fourth lens element are aspheric. The fifth lens element with refractive power has a concave image-side surface. An object-side surface and the image-side surface of the fifth lens element are aspheric, and the fifth lens element has at least one inflection point formed on the image-side surface thereof.

    Abstract translation: 第一透镜元件，第二透镜元件，第三透镜​​元件，第四透镜元件和第五透镜元件，从物体侧到像侧依次包括拍摄系统。 第一透镜元件具有正折光力。 第二透镜元件具有负屈光力。 具有正屈光力的第三透镜元件具有凸的物体侧表面和凸形的图像侧表面。 具有负屈光力的第四透镜元件具有凹入的物体侧表面。 第四透镜元件的物体侧表面和图像侧表面是非球面的。 具有屈光力的第五透镜元件具有凹形图像侧表面。 第五透镜元件的物体侧表面和像侧表面是非球面的，并且第五透镜元件具有形成在其图像侧表面上的至少一个拐点。

    Image capturing optical lens system
    9.
    发明授权
    Image capturing optical lens system 有权
    图像采集光学透镜系统

    公开(公告)号：US08934178B2

    公开(公告)日：2015-01-13

    申请号：US13709073

    申请日：2012-12-10

    Applicant: Largan Precision Co., Ltd.

    Inventor： Hsiang-Chi Tang ,  Tsung-Han Tsai ,  Hsin-Hsuan Huang

    IPC: G02B13/18 ,  G02B9/62 ,  G02B13/00

    CPC classification number: G02B13/0045 ,  G02B9/62 ,  G02B13/18 ,  G02B27/0025

    Abstract: An image capturing optical lens system includes, 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 with positive refractive power has a convex object-side surface. The second lens element has negative refractive power. The third lens element has refractive power. The fourth lens element has refractive power, wherein at least one surface of the fourth lens element is aspheric. The fifth lens element with negative refractive power has a concave object-side surface and a convex image-side surface, and the surfaces thereof are aspheric. The sixth lens element with refractive power has an image-side surface changing from concave at a paraxial region thereof to convex at a peripheral region thereof, and the surfaces thereof are aspheric.

    Abstract translation: 第一透镜元件，第二透镜元件，第三透镜​​元件，第四透镜元件，第五透镜元件和第六透镜元件，从物体侧到像侧依次包括图像拍摄光学透镜系统。 具有正折光力的第一透镜元件具有凸的物体侧表面。 第二透镜元件具有负屈光力。 第三透镜元件具有屈光力。 第四透镜元件具有屈光力，其中第四透镜元件的至少一个表面是非球面的。 具有负屈光力的第五透镜元件具有凹入的物体侧表面和凸形的图像侧表面，并且其表面是非球面的。 具有屈光力的第六透镜元件具有从其近轴区域的凹部到其周边区域的凸形的图像侧表面，并且其表面是非球面的。

    Imaging lens assembly
    10.
    发明授权
    Imaging lens assembly 有权
    成像镜头组件

    公开(公告)号：US08830594B1

    公开(公告)日：2014-09-09

    申请号：US13854128

    申请日：2013-03-31

    Applicant: Largan Precision Co., Ltd.

    Inventor： Po-Lun Hsu ,  Hsiang-Chi Tang ,  Tsung-Han Tsai ,  Hsin-Hsuan Huang

    IPC: G02B9/62 ,  G02B13/00

    CPC classification number: G02B13/0045 ,  G02B9/62

    Abstract: An imaging lens assembly includes, 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 with positive refractive power has a convex object-side surface. The second lens element has refractive power. The third lens element has positive refractive power. The fourth lens element with negative refractive power has a concave object-side surface and a convex image-side surface. The fifth lens element with positive refractive power has a convex object-side surface, wherein the surfaces thereof are aspheric. The sixth lens element with refractive power has a convex object-side surface and a concave image-side surface, wherein the surfaces thereof are aspheric, and the sixth lens element has at least one inflection point on at least one of the surfaces thereof.

    Abstract translation: 成像透镜组件从物体侧到像侧依次包括第一透镜元件，第二透镜元件，第三透镜​​元件，第四透镜元件，第五透镜元件和第六透镜元件。 具有正屈光力的第一透镜元件具有凸的物体侧表面。 第二透镜元件具有屈光力。 第三透镜元件具有正的折光力。 具有负屈光力的第四透镜元件具有凹入的物体侧表面和凸形的图像侧表面。 具有正折光力的第五透镜元件具有凸形物体侧表面，其中其表面是非球面的。 具有屈光力的第六透镜元件具有凸形的物体侧表面和凹形的图像侧表面，其中其表面是非球面的，并且第六透镜元件在其至少一个表面上具有至少一个拐点。

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