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公开(公告)号：US08736980B2
公开(公告)日：2014-05-27
申请号：US13682748
申请日：2012-11-21
Applicant: Largan Precision Co., Ltd.
Inventor： Tsung-Han Tsai , Ming-Ta Chou
IPC: G02B13/18
CPC classification number: G02B13/18 , G02B3/02 , G02B13/0045 , G02B13/04
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 and a fifth lens element. The first lens element with negative refractive power has an object-side surface being concave at a paraxial region thereof, wherein the surfaces thereof are aspheric. The second lens element has refractive power. The third lens element has positive refractive power. The fourth lens element has negative refractive power. The fifth lens element with positive refractive power has an object-side surface being convex at a paraxial region thereof and an image-side surface being concave at a paraxial region thereof, wherein the object-side surface thereof changes from convex at the paraxial region thereof to concave at a peripheral region thereof, and the surfaces thereof are aspheric.
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，第四透镜元件和第五透镜元件。 具有负屈光力的第一透镜元件具有在其近轴区域处凹入的物体侧表面，其中其表面是非球面的。 第二透镜元件具有屈光力。 第三透镜元件具有正的折光力。 第四透镜元件具有负折光力。 具有正屈光力的第五透镜元件的物体侧表面在其近轴区域是凸的，并且图像侧表面在其近轴区域处是凹入的，其中物侧表面在其近轴区域处从凸起变化 在其周边区域凹陷，并且其表面是非球面的。
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公开(公告)号：US08730590B1
公开(公告)日：2014-05-20
申请号：US13743127
申请日：2013-01-16
Applicant: Largan Precision Co., Ltd.
Inventor： Tsung-Han Tsai , Chun-Che Hsueh , Wei-Yu Chen
CPC classification number: G02B13/004
Abstract: This disclosure provides an image capturing lens system, in order from an object side to an image side comprising: a first lens element with positive refractive power having a convex object-side surface and a concave image-side surface; a second lens element with positive refractive power; a third lens element with positive refractive power; and a fourth lens element with positive refractive power having a convex object-side surface, a concave at a paraxial region and convex at a peripheral region image-side surface, and both of the object-side and image-side surfaces thereof being aspheric; wherein the lens elements of the image capturing lens system with refractive power are the first lens element, the second lens element, the third lens element and the fourth lens element.
Abstract translation: 本发明提供从物体侧到图像侧的顺序的图像拍摄透镜系统，包括：具有凸的物体侧表面和凹面像侧表面的具有正折光力的第一透镜元件; 具有正折射力的第二透镜元件; 具有正屈光力的第三透镜元件; 以及具有正折射力的第四透镜元件，具有凸形物体侧表面，在近轴区域处的凹部并且在周边区域图像侧表面处凸出，并且其物体侧和像侧表面均为非球面; 其中具有屈光力的图像拍摄透镜系统的透镜元件是第一透镜元件，第二透镜元件，第三透镜元件和第四透镜元件。
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公开(公告)号：US20140118844A1
公开(公告)日：2014-05-01
申请号：US13712524
申请日：2012-12-12
Applicant: LARGAN PRECISION CO., LTD
Inventor： Tsung-Han Tsai , Hsin-Hsuan Huang
IPC: G02B13/00
CPC classification number: G02B13/0045 , G02B9/62 , G02B13/04
Abstract: An optical photographing 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 convex object-side surface and a concave image-side surface. The second lens element has positive 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 positive refractive power has a convex image-side surface and both of the surfaces are aspheric. The sixth lens element with negative refractive power has an image-side surface changing from concave at a paraxial region to convex at a peripheral region, and both of the surfaces are aspheric.
Abstract translation: 光学拍摄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具有凸的物体侧表面和凹形的图像侧表面。 第二透镜元件具有正的折光力。 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。 具有正折光力的第五透镜元件具有凸形的图像侧表面，并且两个表面都是非球面的。 具有负屈光力的第六透镜元件具有从近轴区域的凹陷到周边区域的凸形的图像侧表面，并且两个表面都是非球面的。
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公开(公告)号：US12242036B2
公开(公告)日：2025-03-04
申请号：US18138647
申请日：2023-04-24
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Shan Chen , Tsung-Han Tsai , Hsin-Hsuan Huang
Abstract: An optical imaging system includes, in order from an object side to an image side, a first lens element with positive refractive power, a second lens element, a third lens element, a fourth lens element, and a fifth lens element. Each of the fourth lens element and the fifth lens element includes at least one aspheric surface. The fourth lens element and the fifth lens element are made of plastic. The fifth lens element includes a concave image-side surface and at least one inflection point. An axial distance is formed between each of the first lens element, the second lens element, the third lens element, the fourth lens element, and the fifth lens element, and the optical imaging system further comprises a stop.
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公开(公告)号：US12038566B2
公开(公告)日：2024-07-16
申请号：US18366080
申请日：2023-08-07
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Tsung-Han Tsai , Hsin-Hsuan Huang
CPC classification number: G02B13/0045 , G02B9/60 , G02B5/005 , G02B5/208 , G02B27/0025
Abstract: An optical 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 and a fifth lens element. The first lens element has refractive power. The second lens element has positive refractive power. The third lens element with positive refractive power has an image-side surface being concave in a paraxial region thereof. The fourth lens element has refractive power. The fifth lens element with refractive power has an image-side surface being concave in a paraxial region thereof, wherein an object-side surface and the image-side surface of the fifth lens element are aspheric, and at least one of the surfaces of the fifth lens element has at least one inflection point. The optical photographing lens assembly has a total of five lens elements with refractive power.
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Patent Agency Ranking
公开(公告)号：US11906710B2
公开(公告)日：2024-02-20
申请号：US18148539
申请日：2022-12-30
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Hsiang-Chi Tang , Tsung-Han Tsai , Hsin-Hsuan Huang
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 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.
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公开(公告)号：US11885931B2
公开(公告)日：2024-01-30
申请号：US17016413
申请日：2020-09-10
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Tsung-Han Tsai , Hsin-Hsuan Huang
CPC classification number: G02B13/0045 , G02B5/005 , G02B5/208 , G02B9/62 , G02B13/18 , G02B27/0025
Abstract: An image capturing optical 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 with negative refractive power has a concave object-side surface. The third lens element has negative refractive power. The fourth lens element has refractive power. The fifth lens element with positive refractive power has a convex image-side surface. The sixth lens element with refractive power has a concave image-side surface, wherein an object-side surface and the image-side surface of the sixth lens element are aspheric, and the sixth lens element has at least one inflection point on the image-side surface thereof.
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公开(公告)号：US11789242B2
公开(公告)日：2023-10-17
申请号：US17742462
申请日：2022-05-12
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Tsung-Han Tsai , Hsin-Hsuan Huang
CPC classification number: G02B13/0045 , G02B3/04 , G02B9/64 , G02B13/18 , G02B27/0025 , H04N23/55
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, a fifth lens element, a sixth lens element and a seventh lens element. The first, the second and the third lens elements all have refractive power. The fourth lens element with refractive power has both surfaces being aspheric. The fifth lens element with refractive power has both surfaces being aspheric. The sixth lens element with refractive power has an image-side surface having at least one convex shape at a peripheral region thereof and both surfaces being aspheric. The seventh lens element with refractive power has an image-side surface having at least one convex shape at a peripheral region thereof, wherein both surfaces being aspheric, and at least one surface has at least one inflection point thereon.
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公开(公告)号：US11656439B2
公开(公告)日：2023-05-23
申请号：US17482561
申请日：2021-09-23
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Kuan-Ming Chen , Tsung-Han Tsai , Hsin-Hsuan Huang , Chun-Che Hsueh
CPC classification number: G02B13/0045 , G02B9/62
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, 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 and the third lens element have 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 at least one inflection point is on at least one surface thereof. The sixth lens element with negative refractive power has a concave object-side surface. The surfaces of the fifth and the sixth lens elements are aspheric. The optical image capturing system has a total of six lens elements.
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公开(公告)号：US11561375B2
公开(公告)日：2023-01-24
申请号：US16916100
申请日：2020-06-29
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Shan Chen , Tsung-Han Tsai , Ming-Ta Chou
Abstract: An optical image 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 has positive refractive power. The second lens element has positive refractive power. The third lens element has positive refractive power. The fourth lens element has refractive power. The fifth lens element with refractive power has an image-side surface being convex in a paraxial region thereof, wherein at least one surface of the fifth lens element is aspheric. The sixth lens element with refractive power has an image-side surface being concave in a paraxial region thereof, wherein at least one surface of the sixth lens element is aspheric, and the image-side surface of the sixth lens element has at least one inflection point thereon.
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