公开(公告)号：US11675165B2

公开(公告)日：2023-06-13

申请号：US16919028

申请日：2020-07-01

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Chun-Shan Chen ,  Tsung-Han Tsai ,  Hsin-Hsuan Huang

IPC: G02B13/00 ,  G02B9/60 ,  G02B13/18 ,  G02B5/20

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.

公开(公告)号：US10670839B2

公开(公告)日：2020-06-02

申请号：US16431713

申请日：2019-06-04

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Chun-Shan Chen ,  Tsung-Han Tsai ,  Ming-Ta Chou

IPC: G02B3/02 ,  G02B13/18 ,  G02B21/02 ,  G02B13/00 ,  G02B9/62 ,  G02B5/00 ,  G02B5/20 ,  G02B27/00

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.

公开(公告)号：US10564397B2

公开(公告)日：2020-02-18

申请号：US15693418

申请日：2017-08-31

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Chun-Shan Chen ,  Tsung-Han Tsai ,  Hsin-Hsuan Huang

IPC: G02B13/00 ,  G02B9/60 ,  G02B5/20 ,  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.

公开(公告)号：US10324276B2

公开(公告)日：2019-06-18

申请号：US15719773

申请日：2017-09-29

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Chun-Shan Chen

IPC: G02B13/18 ,  G02B9/60 ,  G02B13/00 ,  G02B27/00 ,  H04N5/225 ,  G02B3/04

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.

公开(公告)号：US09810881B2

公开(公告)日：2017-11-07

申请号：US15067412

申请日：2016-03-11

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Chun-Shan Chen

IPC: G02B13/18 ,  G02B9/60 ,  G02B13/00 ,  G02B27/00 ,  G02B3/04 ,  H04N5/225

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.

公开(公告)号：US10739559B2

公开(公告)日：2020-08-11

申请号：US15792695

申请日：2017-10-24

Applicant: LARGAN PRECISION CO.,LTD.

Inventor： Chun-Shan Chen ,  Tsung-Han Tsai ,  Hsin-Hsuan Huang

IPC: G02B13/00 ,  G02B9/60 ,  G02B5/20 ,  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.

公开(公告)号：US10209487B2

公开(公告)日：2019-02-19

申请号：US15468079

申请日：2017-03-23

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Chun-Shan Chen ,  Tsung-Han Tsai ,  Hsin-Hsuan Huang

IPC: G02B9/60 ,  G02B13/18 ,  G02B5/20 ,  G02B13/00

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.

公开(公告)号：US09488802B2

公开(公告)日：2016-11-08

申请号：US13652485

申请日：2012-10-16

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Chun-Shan Chen ,  Tsung-Han Tsai ,  Ming-Ta Chou

IPC: G02B3/02 ,  G02B13/18 ,  G02B13/00 ,  G02B9/62

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 with positive refractive power has a convex object-side surface. 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 positive refractive power has a convex image-side surface, wherein at least one surface 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 surface of the sixth lens element is aspheric, and the sixth lens element has at least one inflection point on the image-side surface 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。 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。 第三透镜元件具有正的折光力。 第四透镜元件具有屈光力。 具有正折光力的第五透镜元件具有凸形的图像侧表面，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至少一个表面是非球面的，并且第六透镜元件在其图像侧表面上具有至少一个拐点。

公开(公告)号：US09335517B2

公开(公告)日：2016-05-10

申请号：US14508773

申请日：2014-10-07

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Chun-Shan Chen

IPC: G02B13/18 ,  G02B9/50 ,  G02B13/00 ,  G02B9/60 ,  G02B3/04 ,  H04N5/225

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

公开(公告)号：US09201215B2

公开(公告)日：2015-12-01

申请号：US13752405

申请日：2013-01-29

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Po-Lun Hsu ,  Chun-Shan Chen ,  Dung-Yi Hsieh ,  Tsung-Han Tsai ,  Hsin-Hsuan Huang

IPC: G02B13/18 ,  G02B13/00

CPC classification number: G02B13/0045 ,  G02B9/60 ,  G02B27/0025

Abstract: An optical 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 and a fifth 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 negative 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 refractive power has a concave image-side surface, wherein the fifth lens element has at least one inflection point formed on at least one surface thereof. Both of the object-side surface and the image-side surface of the fourth and fifth lens elements are aspheric. The optical image capturing lens assembly has a total of five lens elements with refractive power.

Abstract translation: 光学摄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。 第三透镜元件具有负折光力。 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。 具有屈光力的第五透镜元件具有凹形图像侧表面，其中第五透镜元件在其至少一个表面上形成有至少一个拐点。 第四和第五透镜元件的物体侧表面和图像侧表面都是非球面的。 光学图像拍摄透镜组件具有总共具有屈光力的五个透镜元件。