公开(公告)号：US11782238B2

公开(公告)日：2023-10-10

申请号：US17148695

申请日：2021-01-14

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Chun-Che Hsueh ,  Shu-Yun Yang

IPC: G02B9/62 ,  G02B13/06 ,  G02B13/00 ,  G02B5/00 ,  G02B27/00

CPC classification number: G02B9/62 ,  G02B13/0045 ,  G02B13/06 ,  G02B5/005 ,  G02B13/006 ,  G02B27/0025

Abstract: The present disclosure provides an optical imaging lens assembly comprising, in order from an object side to an image side: a first lens element having negative refractive power; a second lens element with negative refractive power having an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof; a third lens element having positive refractive power; a fourth lens element having positive refractive power; a fifth lens element having positive refractive power; and a sixth lens element; wherein the optical imaging lens assembly has a total of six lens elements. With such configuration, the optical imaging lens assembly of the present disclosure is characterized by a wide field of view, a compact size and high image quality.

公开(公告)号：US20200241259A1

公开(公告)日：2020-07-30

申请号：US16850889

申请日：2020-04-16

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Kuan-Ming Chen ,  Yu-Tai Tseng ,  Hsin-Hsuan Huang ,  Shu-Yun Yang

IPC: G02B13/00 ,  G02B13/06 ,  G02B9/62 ,  G02B13/04 ,  G02B27/00

Abstract: An imaging 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 has negative refractive power. The second lens element has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The third lens element has positive refractive power. The fourth lens element has positive refractive power. The fifth lens element has negative refractive power. The sixth lens element has positive refractive power. The imaging optical lens system has a total of six lens elements.

公开(公告)号：US10663696B2

公开(公告)日：2020-05-26

申请号：US16245115

申请日：2019-01-10

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Kuan-Ming Chen ,  Yu-Tai Tseng ,  Hsin-Hsuan Huang ,  Shu-Yun Yang

IPC: G02B9/62 ,  G02B13/18 ,  G02B13/00 ,  G02B13/06 ,  G02B13/04 ,  G02B27/00

Abstract: An imaging 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 has negative refractive power. The second lens element has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The third lens element has positive refractive power. The fourth lens element has positive refractive power. The fifth lens element has negative refractive power. The sixth lens element has positive refractive power. The imaging optical lens system has a total of six lens elements.

公开(公告)号：US10545315B2

公开(公告)日：2020-01-28

申请号：US15707861

申请日：2017-09-18

Applicant: LARGAN Precision Co., Ltd.

Inventor： Hung-Shuo Chen ,  Shu-Yun Yang

IPC: G02B3/02 ,  G02B13/18 ,  G02B13/00 ,  G02B9/60 ,  H04N5/225

Abstract: An optical imaging lens system includes five 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 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 has positive refractive power. The fourth lens element has negative refractive power. The fifth lens element with negative refractive power can have an object-side surface being concave in a paraxial region thereof.

公开(公告)号：US10520704B2

公开(公告)日：2019-12-31

申请号：US15611101

申请日：2017-06-01

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Chun-Yen Chen ,  Shu-Yun Yang

IPC: G02B13/18 ,  G02B3/02 ,  G02B13/00 ,  G02B13/16

Abstract: An optical image assembly includes six 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 and a sixth lens element. The second lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The third lens element has positive refractive power. The fourth lens element has positive refractive power. The fifth lens element has positive refractive power. The sixth lens element has negative refractive power.

公开(公告)号：US10509202B2

公开(公告)日：2019-12-17

申请号：US15634781

申请日：2017-06-27

Applicant: LARGAN Precision Co., Ltd.

Inventor： Chun-Che Hsueh ,  Shu-Yun Yang

IPC: G02B13/00 ,  G02B9/62 ,  G02B13/04 ,  H04N5/225

Abstract: An optical imaging lens system includes six 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 and a sixth lens element. The first lens element has negative refractive power. The fourth lens element has an image-side surface being convex in a paraxial region thereof. The fifth lens element has positive refractive power. The sixth lens element has an object-side surface being convex in a paraxial region thereof.

公开(公告)号：US10175493B1

公开(公告)日：2019-01-08

申请号：US15868075

申请日：2018-01-11

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Chun-Yen Chen ,  Shu-Yun Yang

IPC: G02B27/09 ,  G02B13/16 ,  G02B13/18 ,  G02B9/60 ,  G02B9/34 ,  G03B15/02 ,  G02B27/42 ,  G02B1/04

Abstract: A projection lens system having a magnification side and a reduction side, which projects light from a conjugation surface on the reduction side onto a conjugation surface on the magnification side. The projection lens system includes a focus tunable component and a lens assembly, wherein the lens assembly includes a plurality of lens elements, and at least one surface of at least one of the lens elements includes at least one inflection point.

公开(公告)号：US09952410B2

公开(公告)日：2018-04-24

申请号：US15208546

申请日：2016-07-12

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Kuan-Ming Chen ,  Yu-Tai Tseng ,  Hsin-Hsuan Huang ,  Shu-Yun Yang

IPC: G02B13/18 ,  G02B3/02 ,  G02B9/62 ,  G02B13/00 ,  G02B13/04 ,  G02B27/00

CPC classification number: G02B13/0045 ,  G02B9/62 ,  G02B13/04 ,  G02B13/06 ,  G02B27/0025

Abstract: An imaging 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 has negative refractive power. The second lens element has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The third lens element has positive refractive power. The fourth lens element has positive refractive power. The fifth lens element has negative refractive power. The sixth lens element has positive refractive power. The imaging optical lens system has a total of six lens elements.

公开(公告)号：US20180074294A1

公开(公告)日：2018-03-15

申请号：US15436980

申请日：2017-02-20

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Chun-Che Hsueh ,  Shu-Yun Yang

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

CPC classification number: G02B13/0045 ,  G02B9/62 ,  G02B27/0025

Abstract: An 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, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The fifth lens element has an object-side surface being convex in a paraxial region thereof. The sixth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof and includes at least one convex shape in an off-axial region thereof.

公开(公告)号：US20180059376A1

公开(公告)日：2018-03-01

申请号：US15391085

申请日：2016-12-27

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Cheng-Chen Lin ,  Hsin-Hsuan Huang ,  Shu-Yun Yang

IPC: G02B13/00 ,  G02B13/02 ,  G02B5/00 ,  G02B27/00

Abstract: A photographing optical lens assembly includes, in order from an object side to an image side along an optical axis, 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 has an object-side surface being convex in a paraxial region thereof.