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公开(公告)号：US09645356B2
公开(公告)日：2017-05-09
申请号：US14746475
申请日：2015-06-22
Applicant: LARGAN Precision Co., Ltd.
Inventor： Chun-Shan Chen , Tsung-Han Tsai , Hsin-Hsuan Huang
CPC classification number: G02B13/0045 , G02B5/208 , G02B9/60 , G02B13/002 , G02B13/18
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：US09465197B2
公开(公告)日：2016-10-11
申请号：US14168809
申请日：2014-01-30
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Shan Chen
CPC classification number: G02B13/0045 , G02B3/04 , G02B9/60 , G02B13/18 , G02B27/0025 , H04N5/225 , H04N5/2253 , H04N5/2254
Abstract: An imaging lens system comprises, in order from an object side to an image side: a first lens element with positive refractive power having a convex object-side surface; a second lens element with refractive power; a third lens element with refractive power having object-side and image-side surfaces being aspheric, at least one surface thereof having at least one inflection point; a fourth lens element with refractive power having a concave object-side surface and a convex image-side surface; a fifth lens element with refractive power having an aspheric object-side surface and an aspheric concave image-side surface, the image-side surface thereof having at least one inflection point.
Abstract translation: 成像透镜系统包括从物体侧到图像侧的顺序：具有凸面物侧表面的具有正折光力的第一透镜元件; 具有屈光力的第二透镜元件; 具有折射力的第三透镜元件，其具有物体侧和像侧表面是非球面的，其至少一个表面具有至少一个拐点; 具有折射光焦度的第四透镜元件，具有凹面物侧表面和凸像侧表面; 具有折射力的第五透镜元件具有非球面物体侧表面和非球面凹面图像侧表面，其图像侧表面具有至少一个拐点。
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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
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。
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公开(公告)号：US11175480B2
公开(公告)日：2021-11-16
申请号：US16400352
申请日：2019-05-01
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Shan Chen
Abstract: An imaging lens system comprises, in order from an object side to an image side: a first lens element with positive refractive power having a convex object-side surface; a second lens element with refractive power; a third lens element with refractive power having object-side and image-side surfaces being aspheric, at least one surface thereof having at least one inflection point; a fourth lens element with refractive power having a concave object-side surface and a convex image-side surface; a fifth lens element with refractive power having an aspheric object-side surface and an aspheric concave image-side surface, the image-side surface thereof having at least one inflection point.
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公开(公告)号：US10437018B2
公开(公告)日：2019-10-08
申请号：US15720080
申请日：2017-09-29
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Shan Chen
Abstract: An imaging lens system comprises, in order from an object side to an image side: a first lens element with positive refractive power having a convex object-side surface; a second lens element with refractive power; a third lens element with refractive power having object-side and image-side surfaces being aspheric, at least one surface thereof having at least one inflection point; a fourth lens element with refractive power having a concave object-side surface and a convex image-side surface; a fifth lens element with refractive power having an aspheric object-side surface and an aspheric concave image-side surface, the image-side surface thereof having at least one inflection point.
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Patent Agency Ranking
公开(公告)号：US09488803B2
公开(公告)日：2016-11-08
申请号：US14279343
申请日：2014-05-16
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Shan Chen , Tsung-Han Tsai , Ming-Ta Chou
CPC classification number: G02B13/0045 , G02B5/005 , G02B5/208 , G02B9/62 , G02B27/0025
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.
Abstract translation: 光学图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，第五透镜元件和第六透镜元件。 第一透镜元件具有正折光力。 第二透镜元件具有正的折光力。 第三透镜元件具有正的折光力。 第四透镜元件具有屈光力。 具有屈光力的第五透镜元件具有在其近轴区域中凸出的图像侧表面，其中第五透镜元件的至少一个表面是非球面的。 具有屈光力的第六透镜元件的近侧区域具有凹入的图像侧表面，其中第六透镜元件的至少一个表面是非球面的，并且第六透镜元件的像侧表面具有至少一个拐点 点上。
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公开(公告)号：US09354426B2
公开(公告)日：2016-05-31
申请号：US14243886
申请日：2014-04-02
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Shan Chen , Tsung-Han Tsai , Ming-Ta Chou
CPC classification number: G02B13/0045 , G02B5/005 , G02B5/208 , G02B9/62 , G02B27/0025
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 refractive power. The fourth lens element has refractive power. The fifth lens element with refractive power has a convex object-side surface, wherein at least one of two surfaces of the fifth lens element is aspheric. The sixth lens element with negative refractive power has a concave image-side surface, wherein at least one of two surfaces of the sixth lens element is aspheric, and the sixth lens element has at least one inflection point on at least one of the surfaces thereof.
Abstract translation: 光学图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，第五透镜元件和第六透镜元件。 第一透镜元件具有正折光力。 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。 具有屈光力的第五透镜元件具有凸的物体侧表面，其中第五透镜元件的两个表面中的至少一个是非球面的。 具有负屈光力的第六透镜元件具有凹形图像侧表面，其中第六透镜元件的两个表面中的至少一个是非球面的，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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公开(公告)号：US08724237B2
公开(公告)日：2014-05-13
申请号：US13671542
申请日：2012-11-07
Applicant: Largan Precision Co., Ltd.
Inventor： Po-Lun Hsu , Chun-Shan Chen , Tsung-Han Tsai , Hsin-Hsuan Huang
IPC: G02B9/62
CPC classification number: G02B9/62 , G02B13/0045
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 positive refractive power has a convex object-side surface. The second lens element has positive refractive power. The third lens element has negative refractive power. The fourth lens element with refractive power has a convex object-side surface and a concave image-side surface, wherein the surfaces thereof are aspheric. The fifth lens element with positive refractive power has a convex image-side surface, wherein the surfaces thereof are aspheric. The sixth lens element with negative refractive power has a concave image-side surface, wherein the image-side surface changes from concave at a paraxial region thereof to convex at a peripheral region thereof, and the surfaces thereof 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。 第二透镜元件具有正的折光力。 第三透镜元件具有负折光力。 具有屈光力的第四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。 具有正折射力的第五透镜元件具有凸形的图像侧表面，其中其表面是非球面的。 具有负屈光力的第六透镜元件具有凹形图像侧表面，其中图像侧表面在其近轴区域处的凹部在其周边区域处变为凸形，并且其表面是非球面的。
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公开(公告)号：US08705182B1
公开(公告)日：2014-04-22
申请号：US13741366
申请日：2013-01-14
Applicant: Largan Precision Co., Ltd.
Inventor： Chun-Shan Chen , Wei-Yu Chen
CPC classification number: G02B13/0045 , G02B3/02 , G02B9/60 , G02B13/18
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 and a fifth lens element. The first lens element with positive refractive power has an object-side surface being convex at a paraxial region thereof. The second lens element has negative refractive power. The third lens element has refractive power. The fourth lens element with positive refractive power has an object-side surface being concave at a paraxial region thereof and an image-side surface being convex at a paraxial region thereof. The fifth lens element with negative refractive power has an image-side surface being concave at a paraxial region thereof and being convex at a peripheral region thereof, wherein the fifth lens element is made of plastic material and has at least one surface being aspheric.
Abstract translation: 拍摄镜头组件包括从物体侧到图像侧的顺序，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在其近轴区域处凸出的物体侧表面。 第二透镜元件具有负屈光力。 第三透镜元件具有屈光力。 具有正折光力的第四透镜元件具有在其近轴区域处凹入的物体侧表面，并且在其近轴区域处具有凸面的图像侧表面。 具有负屈光力的第五透镜元件具有在其近轴区域处凹陷的图像侧表面，并且在其周边区域处是凸形的，其中第五透镜元件由塑料材料制成并且具有至少一个非球面的表面。
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公开(公告)号：US08693111B2
公开(公告)日：2014-04-08
申请号：US13890925
申请日：2013-05-09
Applicant: Largan Precision Co., Ltd.
Inventor： Chun-Shan Chen
CPC classification number: G02B13/0045 , G02B3/04 , G02B9/60 , G02B13/18 , G02B27/0025 , H04N5/225 , H04N5/2253 , H04N5/2254
Abstract: This invention provides an imaging lens system including, in order from an object side to an image side: a first lens with positive refractive power having a convex object-side surface; a second lens with negative refractive power; a third lens having a concave image-side surface; a fourth lens with positive refractive power; a fifth lens with negative refractive power having a concave image-side surface, at least one surface thereof having at least one inflection point; and an aperture stop disposed between an imaged object and the third lens. The on-axis spacing between the first lens and second lens is T12, the focal length of the imaging lens system is f, and they satisfy the relation: 0.5
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