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21.发明申请公开(公告)号：US20200049958A1
公开(公告)日：2020-02-13
申请号：US16660549
申请日：2019-10-22
Applicant: LARGAN PRECISION CO.,LTD.
Inventor： Cheng-Chen LIN , Wei-Yu CHEN
Abstract: An image capturing 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 negative refractive power has an image-side surface being concave in a paraxial region thereof. The second and third lens elements have refractive power. 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. The sixth lens element with refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The image capturing lens assembly has a total of six lens elements with refractive power.
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公开(公告)号：US20190004285A1
公开(公告)日：2019-01-03
申请号：US15816897
申请日：2017-11-17
Applicant: LARGAN Precision Co., Ltd.
Inventor： Hsiang-Chi TANG , Cheng-Chen LIN , Chun-Yen CHEN , Yu-Tai TSENG , Wei-Yu CHEN
CPC classification number: G02B13/0045 , G02B9/64
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, a sixth lens element and a seventh lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The seventh lens element has an image-side surface being concave in a paraxial region thereof. The image-side surface of the seventh lens element has at least one convex shape in an off-axis region thereof. An object-side surface and the image-side surface of the seventh lens element are aspheric. At least one of an image-side surface of the fourth lens element and an image-side surface of the fifth lens element has at least one inflection point.
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公开(公告)号：US20180143402A1
公开(公告)日：2018-05-24
申请号：US15439594
申请日：2017-02-22
Applicant: LARGAN Precision Co., Ltd.
Inventor： Cheng-Chen LIN , Hung-Shuo CHEN , Tzu-Chieh KUO
CPC classification number: G02B13/0045 , G02B7/09 , G02B9/60 , G02B13/02 , G02B27/0025 , G02B27/646 , H04N5/2253 , H04N5/23264
Abstract: A photographing 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 and a fifth lens element. The first lens element has positive refractive power. The second lens element has negative refractive power. The fourth lens element with negative refractive power has an object-side surface being convex and an image-side surface being concave in a paraxial region thereof, wherein, either the object-side surface thereof, the image-side surface thereof or both the two surfaces thereof have at least one critical point in an off-axial region thereof, and either the object-side surface thereof, the image-side surface thereof or both the two surfaces thereof are aspheric.
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公开(公告)号：US20160252709A1
公开(公告)日：2016-09-01
申请号：US14740026
申请日：2015-06-15
Applicant: LARGAN Precision Co., Ltd.
Inventor： Cheng-Chen LIN , Po-Lun HSU , Wei-Yu CHEN
CPC classification number: G02B13/0045 , G02B5/005 , G02B9/62 , G02B13/0015 , G02B13/002 , G02B13/04 , G02B13/06 , G02B13/18 , G02B27/0025 , H04N5/2254
Abstract: A 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 negative refractive power has a concave image-side surface in a paraxial region. The second lens element with refractive power has a convex object-side surface in a paraxial region. The third lens element has positive refractive power. The fourth lens element with positive refractive power has an object-side and an image-side surfaces being aspheric. The fifth lens element with negative refractive power has an aspheric concave object-side surface and an aspheric convex image-side surface in a paraxial region. The sixth lens element with refractive power has an image-side surface being concave in a paraxial region with a convex shape in an off-axis region.
Abstract translation: 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，第五透镜元件和第六透镜元件。 具有负屈光力的第一透镜元件在近轴区域具有凹形图像侧表面。 具有屈光力的第二透镜元件在近轴区域具有凸形的物体侧表面。 第三透镜元件具有正的折光力。 具有正屈光力的第四透镜元件具有物体侧，图像侧表面是非球面的。 具有负屈光力的第五透镜元件在近轴区域具有非球面凹面物侧表面和非球面凸像像侧表面。 具有屈光力的第六透镜元件具有在离轴区域中具有凸形的近轴区域的凹面的图像侧表面。
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25.发明申请IMAGE CAPTURING LENS ASSEMBLY, IMAGE CAPTURING DEVICE AND VEHICLE PHOTOGRAPHING TERMINAL 有权图像捕获镜头组件，图像捕获设备和车辆摄影终端公开(公告)号：US20150207998A1
公开(公告)日：2015-07-23
申请号：US14196621
申请日：2014-03-04
Applicant: LARGAN Precision Co., Ltd.
Inventor： Cheng-Chen LIN , Wei-Yu CHEN
CPC classification number: G02B13/0045 , G02B9/62 , G02B13/04 , H04N5/23296
Abstract: An image capturing 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 negative refractive power has an image-side surface being concave in a paraxial region thereof. The second and third lens elements have refractive power. 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. The sixth lens element with refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The image capturing lens assembly has a total of six lens elements with refractive power.
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透镜组件。 具有负屈光力的第一透镜元件具有在其近轴区域中凹陷的图像侧表面。 第二和第三透镜元件具有屈光力。 第四透镜元件具有正屈光力。 具有负屈光力的第五透镜元件在其近轴区域中具有凹入的物体侧表面。 具有屈光力的第六透镜元件具有在其近轴区域中凸出的物体侧表面，并且其近侧区域具有凹入的图像侧表面。 图像拍摄透镜组件具有总共具有屈光力的六个透镜元件。
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Patent Agency Ranking
26.发明申请公开(公告)号：US20150103225A1
公开(公告)日：2015-04-16
申请号：US14064213
申请日：2013-10-28
Applicant: Largan Precision Co., Ltd.
Inventor： Po-Lun HSU , Cheng-Chen LIN , Lin-Yao LIAO , Wei-Yu CHEN
CPC classification number: G02B13/0045 , G02B9/60 , G02B13/002 , G02B13/18
Abstract: An optical image capturing 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 refractive power has a convex object-side surface in a paraxial region thereof and a concave image-side surface in a paraxial region thereof. The second lens element has positive refractive power. The third lens element with negative refractive power has 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 surfaces thereof are aspheric. The optical image capturing system has a total of five lens elements with refractive power.
Abstract translation: 光学图像拍摄系统从物体侧到图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。 具有屈光力的第一透镜元件在其近轴区域具有凸起的物体侧表面，并且在近轴区域具有凹形图像侧表面。 第二透镜元件具有正的折光力。 具有负屈光力的第三透镜元件在其近轴区域具有凹形图像侧表面。 具有正折光力的第四透镜元件在其近轴区域具有凸形的图像侧表面。 具有负屈光力的第五透镜元件在近轴区域具有凹形图像侧表面，其中其表面是非球面的。 光学图像捕获系统具有总共具有屈光力的五个透镜元件。
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公开(公告)号：US20240061214A1
公开(公告)日：2024-02-22
申请号：US18376809
申请日：2023-10-04
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Cheng-Chen LIN , Hsin-Hsuan HUANG
CPC classification number: G02B13/0045 , G02B9/64
Abstract: An imaging optical lens assembly includes nine 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, a sixth lens element, a seventh lens element, an eighth lens element and a ninth lens element. Each of the nine 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 positive refractive power. The second lens element has negative refractive power. The image-side surface of the ninth lens element is concave in a paraxial region thereof and has at least one inflection point.
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公开(公告)号：US20230384558A1
公开(公告)日：2023-11-30
申请号：US17885418
申请日：2022-08-10
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Yu Jui LIN , Cheng-Chen LIN , Chun-Che HSUEH , Hsin-Hsuan HUANG , I-Hsuan CHEN
IPC: G02B9/62
CPC classification number: G02B9/62
Abstract: An imaging system lens assembly includes 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 in order from an object side to an image side along an optical path. 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 positive refractive power. The fifth lens element has positive refractive power. The image-side surface of the fifth lens element is concave in a paraxial region thereof. The image-side surface of the sixth lens element has at least one inflection point. A central thickness of the first lens element is a maximum among central thicknesses of all lens elements of the imaging system lens assembly.
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公开(公告)号：US20230251499A1
公开(公告)日：2023-08-10
申请号：US18302934
申请日：2023-04-19
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Hsiang-Chi TANG , Cheng-Chen LIN , Ming-Ta CHOU
CPC classification number: G02B27/0955 , G02B9/34 , G02B7/022 , G02B7/021 , G02B13/0045 , G02B9/60 , H04N23/55
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.
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30.发明申请公开(公告)号：US20230140099A1
公开(公告)日：2023-05-04
申请号：US18091339
申请日：2022-12-29
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Cheng-Chen LIN , Wei-Yu CHEN
Abstract: An image capturing 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 negative refractive power has an image-side surface being concave in a paraxial region thereof. The second and third lens elements have refractive power. 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. The sixth lens element with refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The image capturing lens assembly has a total of six lens elements with refractive power.
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