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公开(公告)号：US20240118522A1
公开(公告)日：2024-04-11
申请号：US18532974
申请日：2023-12-07
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Po-Lun HSU , Wei-Yu CHEN , Kuan-Ting YEH , Ssu-Hsin LIU
CPC classification number: G02B13/0045 , G02B9/62
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.
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公开(公告)号：US20230138624A1
公开(公告)日：2023-05-04
申请号：US18146484
申请日：2022-12-27
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Po-Lun HSU , Hsin-Hsuan HUANG
Abstract: An image capturing optical system includes seven lens elements, the seven 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, a sixth lens element and a seventh lens element. An image-side surface of the fifth lens element is convex in a paraxial region thereof. An image-side surface of the sixth lens element is concave in a paraxial region thereof. The seventh lens element has negative refractive power.
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公开(公告)号：US20210018725A1
公开(公告)日：2021-01-21
申请号：US16565272
申请日：2019-09-09
Applicant: LARGAN PRECISION CO.,LTD.
Inventor： Po-Lun HSU , Wei-Yu CHEN
Abstract: An imaging lens assembly includes a total of six lens elements. The six lens elements are, 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 an object-side surface being convex in a paraxial region thereof.
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公开(公告)号：US20200285031A1
公开(公告)日：2020-09-10
申请号：US16882467
申请日：2020-05-23
Applicant: LARGAN PRECISION CO.,LTD.
Inventor： Cheng-Chen LIN , Po-Lun HSU , Wei-Yu CHEN
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.
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公开(公告)号：US20190146191A1
公开(公告)日：2019-05-16
申请号：US16245231
申请日：2019-01-10
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Po-Lun HSU , Tsung-Han TSAI , Hsin-Hsuan HUANG
Abstract: A photographing 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, the third lens element and the fourth lens element have refractive power. The fifth lens element with negative refractive power has a convex object-side surface and a concave image-side surface, wherein the surfaces thereof are aspheric, and at least one of the surfaces thereof has at least one inflection point thereon. The sixth lens element with negative refractive power has a convex object-side surface and a concave image-side surface, wherein the surfaces thereof are aspheric, and at least one of the surfaces thereof has at least one inflection point.
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Patent Agency Ranking
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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公开(公告)号：US20150338616A1
公开(公告)日：2015-11-26
申请号：US14816079
申请日：2015-08-03
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Po-Lun HSU , Tsung-Han TSAI , Hsin-Hsuan HUANG
CPC classification number: G02B13/0045 , G02B3/04 , G02B5/005 , G02B5/208 , G02B9/62 , G02B13/0015 , G02B13/18 , G02B27/0025
Abstract: A photographing 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, the third lens element and the fourth lens element have refractive power. The fifth lens element with negative refractive power has a convex object-side surface and a concave image-side surface, wherein the surfaces thereof are aspheric, and at least one of the surfaces thereof has at least one inflection point thereon. The sixth lens element with negative refractive power has a convex object-side surface and a concave image-side surface, wherein the surfaces thereof are aspheric, and at least one of the surfaces thereof has at least one inflection point.
Abstract translation: 拍摄镜头组件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，第五透镜元件和第六透镜元件。 具有正折光力的第一透镜元件具有凸的物体侧表面。 第二透镜元件，第三透镜元件和第四透镜元件具有屈光力。 具有负屈光力的第五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，并且其表面中的至少一个在其上具有至少一个拐点。 具有负屈光力的第六透镜元件具有凸形物体侧表面和凹形图像侧表面，其中其表面是非球面的，并且其表面的至少一个具有至少一个拐点。
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28.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：US20250130408A1
公开(公告)日：2025-04-24
申请号：US19001173
申请日：2024-12-24
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Pei-Chi CHANG , Wei-Chun LO , Po-Lun HSU , Lin-An CHANG , Ming-Ta CHOU
Abstract: A plastic light-folding element includes an incident surface, an exit surface, at least one reflective surface, at least one connecting surface and at least one gate vestige structure. The incident surface is configured to lead an imaging light enter the plastic light-folding element. The exit surface is configured to lead the imaging light exit the plastic light-folding element. The reflective surface is configured to fold the imaging light. The connecting surface is connected to the incident surface, the exit surface and the reflective surface. The gate vestige structure is disposed on the connecting surface. At least one of the incident surface, the exit surface and the reflective surface includes an optical portion and an arc step structure, the arc step structure is disposed on a periphery of the optical portion, and an arc is formed by the arc step structure centered on the optical portion.
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公开(公告)号：US20220244507A1
公开(公告)日：2022-08-04
申请号：US17575713
申请日：2022-01-14
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Pei-Chi CHANG , Wei-Chun LO , Po-Lun HSU , Lin-An CHANG , Ming-Ta CHOU
IPC: G02B13/00
Abstract: A plastic light-folding element includes an incident surface, an exit surface, at least one reflective surface, at least one connecting surface and at least one gate vestige structure. The incident surface is configured to lead an imaging light enter the plastic light-folding element. The exit surface is configured to lead the imaging light exit the plastic light-folding element. The reflective surface is configured to fold the imaging light. The connecting surface is connected to the incident surface, the exit surface and the reflective surface. The gate vestige structure is disposed on the connecting surface. At least one of the incident surface, the exit surface and the reflective surface includes an optical portion and an arc step structure, the arc step structure is disposed on a periphery of the optical portion, and an arc is formed by the arc step structure centered on the optical portion.
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