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公开(公告)号：US09671588B2
公开(公告)日：2017-06-06
申请号：US14671426
申请日：2015-03-27
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Che Hsueh , Wei-Yu Chen
CPC classification number: G02B13/0045 , G02B5/208 , G02B9/62
Abstract: This disclosure provides an image capturing optical lens assembly including, in order from an object side to an image side: a first lens element with refractive power having an object-side surface being convex in a paraxial region thereof; a second lens element having positive refractive power; a third lens element with refractive power having an image-side surface being concave in a paraxial region thereof; a fourth lens element with refractive power having an image-side surface being concave in a paraxial region thereof, wherein both surfaces thereof being aspheric; a fifth lens element with refractive power having an object-side surface being concave in a paraxial region thereof; and a sixth lens element with refractive power having an image-side surface being concave in a paraxial region thereof, wherein both surfaces thereof being aspheric, and the image-side surface having at least one convex shape in an off-axis region thereof.
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公开(公告)号：US09316819B2
公开(公告)日：2016-04-19
申请号：US13677556
申请日：2012-11-15
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Po-Lun Hsu , Wei-Yu Chen , Chun-Che Hsueh
CPC classification number: G02B13/18 , G02B9/12 , G02B13/0035 , G02B13/14
Abstract: This invention provides an imaging lens system, in order from an object side to an image side comprising: a first positive lens element having a convex object-side surface at a paraxial region and a convex image-side surface at the paraxial region; a plastic positive second lens element having a concave object-side surface at the paraxial region, a convex image-side surface at the paraxial region, and both of the object-side and image-side surfaces being aspheric; and a plastic negative third lens element having a concave object-side surface at the paraxial region, a concave at the paraxial region and convex at a peripheral region image-side surface, and both of the object-side and image-side surfaces being aspheric.
Abstract translation: 本发明提供一种从物体侧到像侧的顺序的摄像透镜系统，包括：第一正透镜元件，其在近轴区域具有凸面物侧表面，在近轴区域具有凸像侧表面; 在近轴区域具有凹面物侧的塑料正的第二透镜元件，近轴区域的凸面像侧面以及物镜侧和像侧面都呈非球面状; 以及在近轴区域具有凹面物侧表面的塑料阴性第三透镜元件，在近轴区域处的凹部，并且在周边区域像侧表面处凸出，并且物体侧和像侧面均为非球面 。
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公开(公告)号：US11940598B2
公开(公告)日：2024-03-26
申请号：US18120842
申请日：2023-03-13
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Che Hsueh , Hsin-Hsuan Huang
CPC classification number: G02B13/004 , G02B9/34 , G06V40/13
Abstract: A lens system includes four 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 and a fourth lens element. Each of the four lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. At least one of the object-side surface and the image-side surface of the first lens element has at least one inflection point. The fourth lens element has positive refractive power, the object-side surface of the fourth lens element is convex in a paraxial region thereof, and at least one of the object-side surface and the image-side surface of the fourth lens element has at least one inflection point.
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公开(公告)号：US11579412B2
公开(公告)日：2023-02-14
申请号：US16744424
申请日：2020-01-16
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Che Hsueh , Hung-Shuo Chen , Kuan Chun Wang , Wei-Yu Chen
Abstract: A photographing lens assembly includes a total of eight 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, a seventh lens element and an eighth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has negative refractive power. The eighth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof. At least one lens element of the photographing lens assembly has at least one lens surface having at least one inflection point.
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公开(公告)号：US11415780B2
公开(公告)日：2022-08-16
申请号：US16845125
申请日：2020-04-10
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Dung-Yi Hsieh , Chun-Che Hsueh , Wei-Yu Chen
Abstract: An imaging optical 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 and a fifth lens element. The first lens element with refractive power has an object-side surface being convex in a paraxial region and an image-side surface being concave in a paraxial region. The second lens element with positive refractive power has an image-side surface being convex in a paraxial region. The third lens element with negative refractive power has an image-side surface being concave in a paraxial region. The fourth lens element with positive refractive power has an image-side surface being convex in a paraxial region. The fifth lens element with negative refractive power has an image-side surface being concave in a paraxial region and having a convex shape in an off-axial region thereof.
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Patent Agency Ranking
公开(公告)号：US20220128802A1
公开(公告)日：2022-04-28
申请号：US17569917
申请日：2022-01-06
Applicant: LARGAN PRECISION CO., LTD
Inventor： Chun-Che Hsueh , Wei-Yu Chen
Abstract: This disclosure provides an image capturing optical lens assembly including, in order from an object side to an image side: a first lens element with refractive power having an object-side surface being convex in a paraxial region thereof; a second lens element having positive refractive power; a third lens element with refractive power having an image-side surface being concave in a paraxial region thereof; a fourth lens element with refractive power having an image-side surface being concave in a paraxial region thereof, wherein both surfaces thereof being aspheric; a fifth lens element with refractive power having an object-side surface being concave in a paraxial region thereof; and a sixth lens element with refractive power having an image-side surface being concave in a paraxial region thereof, wherein both surfaces thereof being aspheric, and the image-side surface having at least one convex shape in an off-axis region thereof.
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公开(公告)号：US11137574B2
公开(公告)日：2021-10-05
申请号：US16574155
申请日：2019-09-18
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Che Hsueh , Hsin-Hsuan Huang , Shu-Yun Yang
Abstract: An image capturing lens system includes, in order from an object side to an image side, a first lens element with positive 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 second lens element with negative refractive power having an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof, a third lens element with positive refractive power having an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof, and a fourth 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.
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公开(公告)号：US11067778B2
公开(公告)日：2021-07-20
申请号：US16849012
申请日：2020-04-15
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Hsiang-Chi Tang , Chun-Che Hsueh , Chun-Yen Chen , Yu-Tai Tseng , Wei-Yu Chen
Abstract: An imaging optical lens assembly includes seven lens elements, the seventh 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. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has negative refractive power. The seventh lens element has an image-side surface being concave in a paraxial region thereof and having a critical point in an off-axis region thereof. The image-side surface and an object-side surface of the seventh lens element are both aspheric.
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公开(公告)号：US10698179B2
公开(公告)日：2020-06-30
申请号：US16538907
申请日：2019-08-13
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Po-Lun Hsu , Chun-Yen Chen , Chun-Che Hsueh , Wei-Yu Chen
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 with positive refractive power has an object-side surface being convex in a paraxial region thereof. The third lens element has positive refractive power. The seventh lens element has an image-side surface being concave in a paraxial region thereof and including at least one convex shape in an off-axis region thereof. An object-side surface and the image-side surface of the seventh lens element are aspheric.
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公开(公告)号：US10663693B2
公开(公告)日：2020-05-26
申请号：US16026370
申请日：2018-07-03
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Hsiang-Chi Tang , Chun-Che Hsueh , Chun-Yen Chen , Yu-Tai Tseng , Wei-Yu Chen
Abstract: An imaging optical lens assembly includes seven lens elements, the seventh 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. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has negative refractive power. The seventh lens element has an image-side surface being concave in a paraxial region thereof and having a critical point in an off-axis region thereof. The image-side surface and an object-side surface of the seventh lens element are both aspheric.
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