公开(公告)号：US20240201471A1

公开(公告)日：2024-06-20

申请号：US18408679

申请日：2024-01-10

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Hsiang-Chi TANG ,  Tsung-Han TSAI ,  Hsin-Hsuan HUANG

IPC: G02B13/00 ,  G02B9/62 ,  G02B13/18 ,  G02B27/00

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.

公开(公告)号：US20230418030A1

公开(公告)日：2023-12-28

申请号：US18461573

申请日：2023-09-06

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Tsung-Han TSAI ,  Hsin-Hsuan HUANG

IPC: G02B13/00 ,  H04N23/55 ,  G02B13/18 ,  G02B3/04 ,  G02B9/64 ,  G02B27/00

CPC classification number: G02B13/0045 ,  H04N23/55 ,  G02B13/18 ,  G02B3/04 ,  G02B9/64 ,  G02B27/0025

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.

公开(公告)号：US20230375809A1

公开(公告)日：2023-11-23

申请号：US18366080

申请日：2023-08-07

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Tsung-Han TSAI ,  Hsin-Hsuan HUANG

IPC: G02B13/00 ,  G02B9/60

CPC classification number: G02B13/0045 ,  G02B9/60 ,  G02B5/005

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.

公开(公告)号：US20220270391A1

公开(公告)日：2022-08-25

申请号：US17738999

申请日：2022-05-06

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Chun-Che HSUEH ,  Hsiang-Chi TANG ,  Tsung-Han TSAI ,  Fuh-Shyang YANG

IPC: G06V40/13 ,  G06F3/042 ,  H01L27/30

Abstract: An optical fingerprint identification system includes a cover, a light emitting layer, an optical layer, an image sensor and a base that are sequentially disposed from top to bottom. The cover has a fingerprint contact surface on top. The image sensor has an image surface. The optical layer includes a first array layer and a second array layer, and the first array layer is stacked on top of the second array layer. The first array layer and the second array layer respectively include a plurality of first array lens elements and a plurality of second array lens elements respectively arranged at equal intervals in a first direction. Each of the first array lens elements and a corresponding second array lens element of the second array layer are coaxial along an optical axis and form an imaging unit.

公开(公告)号：US20200333566A1

公开(公告)日：2020-10-22

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

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：US20200096743A1

公开(公告)日：2020-03-26

申请号：US16699100

申请日：2019-11-28

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Tsung-Han TSAI ,  Hsin-Hsuan HUANG

IPC: G02B13/00 ,  G02B13/18 ,  G02B3/04 ,  G02B9/64 ,  H04N5/225 ,  G02B27/00

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.

公开(公告)号：US20180113283A1

公开(公告)日：2018-04-26

申请号：US15849616

申请日：2017-12-20

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Chun-Shan CHEN ,  Tsung-Han TSAI ,  Ming-Ta CHOU

IPC: G02B13/00 ,  G02B5/20 ,  G02B27/00 ,  G02B9/62 ,  G02B5/00

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.

公开(公告)号：US20160306145A1

公开(公告)日：2016-10-20

申请号：US15196052

申请日：2016-06-29

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Hsiang-Chi TANG ,  Tsung-Han TSAI ,  Hsin-Hsuan HUANG

IPC: G02B13/00 ,  G02B27/00 ,  G02B9/62

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.

公开(公告)号：US20160062086A1

公开(公告)日：2016-03-03

申请号：US14934112

申请日：2015-11-05

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Tsung-Han TSAI ,  Hsin-Hsuan HUANG

IPC: G02B13/00 ,  G02B9/64 ,  H04N5/225

CPC classification number: G02B13/0045 ,  G02B3/04 ,  G02B9/64 ,  G02B13/18 ,  G02B27/0025 ,  H04N5/2254

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.

公开(公告)号：US20160041372A1

公开(公告)日：2016-02-11

申请号：US14918546

申请日：2015-10-20

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Po-Lun HSU ,  Chun-Shan CHEN ,  Dung-Yi HSIEH ,  Tsung-Han TSAI ,  Hsin-Hsuan HUANG

IPC: G02B13/00 ,  G02B27/00 ,  G02B9/60

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。