公开(公告)号：US20190271831A1

公开(公告)日：2019-09-05

申请号：US16121808

申请日：2018-09-05

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Po-Lun HSU ,  Shu-Yun YANG

IPC: G02B13/00 ,  G02B27/00 ,  G02B5/20 ,  G02B9/64

Abstract: An optical photographing lens assembly includes seven lens elements, which 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, a sixth lens element and a seventh lens element. The first lens element has negative refractive power. The sixth lens element has positive refractive power. At least one of an object-side surface and an image-side surface of the seventh lens element includes at least one inflection point.

公开(公告)号：US20190243102A1

公开(公告)日：2019-08-08

申请号：US16030988

申请日：2018-07-10

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Chun-Yen CHEN ,  Po-Lun HSU ,  Wei-Yu CHEN

IPC: G02B13/00 ,  G02B9/62

Abstract: An imaging optical lens assembly includes six lens elements, the six 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 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 lens element has positive refractive power. The fourth lens element has an image-side surface being concave in a paraxial region thereof. The sixth lens element has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof and including at least one convex critical point in an off-axis region thereof.

公开(公告)号：US20180239115A1

公开(公告)日：2018-08-23

申请号：US15691928

申请日：2017-08-31

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Po-Lun HSU ,  Hsin-Hsuan HUANG

IPC: G02B13/00 ,  G02B9/64

CPC classification number: G02B13/0045 ,  G02B9/64

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.

公开(公告)号：US20180074293A1

公开(公告)日：2018-03-15

申请号：US15410495

申请日：2017-01-19

Applicant: LARGAN Precision Co., Ltd.

Inventor： Po-Lun HSU ,  Wei-Yu CHEN

IPC: G02B13/00 ,  G02B5/20 ,  G02B9/62

CPC classification number: G02B13/0045 ,  G02B5/208 ,  G02B9/62

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 and a sixth lens element. The first lens element and the fourth lens element have positive refractive power. The second lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The fifth lens element has an object-side surface and an image-side surface being both aspheric. The sixth lens element has an image-side surface being concave in a paraxial region thereof, wherein the image-side surface thereof has at least one convex shape in an off-axial region thereof, and an object-side surface and the image-side surface thereof are both aspheric. The imaging lens assembly has a total of six single and non-cemented lens elements.

公开(公告)号：US20180031810A1

公开(公告)日：2018-02-01

申请号：US15782867

申请日：2017-10-13

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Po-Lun HSU ,  Tsung-Han TSAI ,  Hsin-Hsuan HUANG

IPC: G02B13/00 ,  G02B13/18 ,  G02B5/00 ,  G02B5/20 ,  G02B27/00 ,  G02B9/62 ,  G02B3/04

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.

公开(公告)号：US20140368927A1

公开(公告)日：2014-12-18

申请号：US14476731

申请日：2014-09-03

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Po-Lun HSU ,  Tsung-Han TSAI ,  Hsin-Hsuan HUANG

IPC: G02B9/62 ,  G02B13/00

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，并且其表面中的至少一个具有至少一个拐点。

公开(公告)号：US20140285907A1

公开(公告)日：2014-09-25

申请号：US13861380

申请日：2013-04-12

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Hsiang-Chi TANG ,  Po-Lun HSU ,  Wei-Yu CHEN

IPC: G02B13/18

CPC classification number: G02B13/0045 ,  G02B9/60 ,  G02B13/18

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 imaging lens assembly has five non-cemented lens elements with refractive power and further includes a stop located between an imaged object and the first lens element. The first lens element with positive refractive power has a convex object-side surface. The second through fifth lens elements all have refractive power. The third lens element has a convex image-side surface. The fifth lens element has a concave image-side surface at a paraxial region thereof, wherein the image-side surface of the fifth lens element has a convex shape at a peripheral region thereof, and both of an object-side surface and the image-side surface of the fifth lens element 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。 成像透镜组件具有五个具有屈光力的非胶合透镜元件，并且还包括位于成像对象和第一透镜元件之间的止动件。 具有正折光力的第一透镜元件具有凸的物体侧表面。 第二至第五透镜元件都具有屈光力。 第三透镜元件具有凸形的图像侧表面。 第五透镜元件在其近轴区域具有凹形图像侧表面，其中第五透镜元件的像侧表面在其周边区域具有凸形形状，并且物体侧表面和图像侧表面两者之间， 第五透镜元件的侧表面是非球面的。

公开(公告)号：US20140254029A1

公开(公告)日：2014-09-11

申请号：US13849556

申请日：2013-03-25

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Po-Lun HSU ,  Tsung-Han TSAI ,  Hsin-Hsuan HUANG

IPC: G02B13/18

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 positive first lens element has a convex object-side surface. The second and the third lens elements have refractive power. The fourth lens element has positive refractive power. The negative fifth lens element has a convex object-side surface, a concave image-side surface, and at least one inflection point on at least one surface thereof, wherein the surfaces of the fifth lens element are aspheric. The negative sixth lens element has a concave image-side surface and at least one inflection point on at least one surface thereof, wherein the surfaces of the sixth lens element are aspheric. The photographing lens assembly has a total of six lens elements with refractive power.

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。 正的第一透镜元件具有凸形的物体侧表面。 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。 负第五透镜元件在其至少一个表面上具有凸形物体侧表面，凹形图像侧表面和至少一个拐点，其中第五透镜元件的表面是非球面的。 负第六透镜元件在其至少一个表面上具有凹形图像侧表面和至少一个拐点，其中第六透镜元件的表面是非球面的。 摄影镜头组件具有总共具有屈光力的六个透镜元件。

公开(公告)号：US20140198396A1

公开(公告)日：2014-07-17

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

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。

公开(公告)号：US20250123467A1

公开(公告)日：2025-04-17

申请号：US18991866

申请日：2024-12-23

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Po-Lun HSU ,  Hsin-Hsuan HUANG

IPC: G02B13/00 ,  G02B9/64

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.