公开(公告)号：US20240053583A1

公开(公告)日：2024-02-15

申请号：US18377246

申请日：2023-10-05

Applicant: LARGAN PRECISION CO.,LTD.

Inventor： Hung-Shuo CHEN ,  Shu-Yun YANG

IPC: G02B9/60 ,  G02B13/18 ,  G02B3/02 ,  H04N23/55

CPC classification number: G02B9/60 ,  G02B13/18 ,  G02B3/02 ,  H04N23/55 ,  G02B13/0045

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 has an object-side surface being concave in a paraxial region thereof.

公开(公告)号：US20190033604A1

公开(公告)日：2019-01-31

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 ,  G02B1/04 ,  G03B15/02 ,  G02B27/42 ,  G02B9/34

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：US20180284394A1

公开(公告)日：2018-10-04

申请号：US15707861

申请日：2017-09-18

Applicant: LARGAN Precision Co., Ltd.

Inventor： Hung-Shuo CHEN ,  Shu-Yun YANG

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

CPC classification number: G02B13/0045 ,  G02B9/60 ,  G02B13/18 ,  H04N5/2254

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：US20170307851A1

公开(公告)日：2017-10-26

申请号：US15186362

申请日：2016-06-17

Applicant: LARGAN PRECISION CO.,LTD.

Inventor： Chun-Yen CHEN ,  Shu-Yun YANG

IPC: G02B13/00 ,  G02B9/62 ,  G02B9/60 ,  G02B1/04

CPC classification number: G02B13/0045 ,  G02B1/041 ,  G02B9/60 ,  G02B9/62 ,  G02B13/006 ,  G02B13/06

Abstract: An imaging optical 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 has negative refractive power. The second lens element has negative refractive power. The third lens element has negative refractive power. The imaging optical lens assembly has a total of six lens elements.

公开(公告)号：US20200278517A1

公开(公告)日：2020-09-03

申请号：US16878496

申请日：2020-05-19

Applicant: LARGAN PRECISION CO., LTD.

Inventor： Cheng-Yuan LIAO ,  Shu-Yun YANG

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

Abstract: An optical imaging lens 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 image-side surface being concave in a paraxial region thereof. The fifth lens element has negative refractive power. The sixth lens element has positive refractive power.

公开(公告)号：US20200026032A1

公开(公告)日：2020-01-23

申请号：US16584699

申请日：2019-09-26

Applicant: LARGAN PRECISION CO.,LTD.

Inventor： Chun-Yen CHEN ,  Shu-Yun YANG

IPC: G02B9/34 ,  G02B13/18 ,  G02B13/14 ,  G02B13/00

Abstract: An electronic device includes a lens system including four lens elements. the four lens elements are, in order from an outer side to an inner side, a first lens element, a second lens element, a third lens element and a fourth lens element. The second lens element has negative refractive power. The fourth lens element has positive refractive power. At least one surface of the four lens elements has at least one inflection point. A projection device and a detecting module of the electronic device including the lens system are also disclosed.

公开(公告)号：US20190179112A1

公开(公告)日：2019-06-13

申请号：US16154546

申请日：2018-10-08

Applicant: LARGAN PRECISION CO.,LTD.

Inventor： Chun-Yen CHEN ,  Shu-Yun YANG

IPC: G02B9/34 ,  G02B13/18 ,  G02B13/14

Abstract: An electronic device includes a lens system including four lens elements. the four lens elements are, in order from an outer side to an inner side, a first lens element, a second lens element, a third lens element and a fourth lens element. The second lens element has negative refractive power. The fourth lens element has positive refractive power. At least one surface of the four lens elements has at least one inflection point. A projection device and a detecting module of the electronic device including the lens system are also disclosed.

公开(公告)号：US20190146190A1

公开(公告)日：2019-05-16

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

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：US20180024328A1

公开(公告)日：2018-01-25

申请号：US15720780

申请日：2017-09-29

Applicant: LARGAN PRECISION CO.,LTD.

Inventor： Chun-Yen CHEN ,  Shu-Yun YANG

IPC: G02B13/00 ,  G02B9/60 ,  G02B9/62 ,  G02B1/04

CPC classification number: G02B13/0045 ,  G02B1/041 ,  G02B9/60 ,  G02B9/62 ,  G02B13/006 ,  G02B13/06

Abstract: An imaging optical 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 has negative refractive power. The second lens element has negative refractive power. The third lens element has negative refractive power. The imaging optical lens assembly has a total of six lens elements.

公开(公告)号：US20170307852A1

公开(公告)日：2017-10-26

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: G02B13/00 ,  G02B9/62 ,  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.