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1.发明公开公开(公告)号：US20240134163A1
公开(公告)日：2024-04-25
申请号：US18399269
申请日：2023-12-28
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Cheng-Chen LIN , Wei-Yu CHEN
CPC classification number: G02B13/0045 , G02B9/62 , G02B13/04 , H04N23/69
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 negative refractive power has an image-side surface being concave in a paraxial region thereof. The second and third lens elements have refractive power. The fourth lens element has positive refractive power. The fifth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof. The sixth lens element with refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The image capturing lens assembly has a total of six lens elements with refractive power.
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公开(公告)号：US20220171205A1
公开(公告)日：2022-06-02
申请号：US17672783
申请日：2022-02-16
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Hsiang-Chi TANG , Cheng-Chen LIN , Ming-Ta CHOU
Abstract: An imaging lens assembly includes a plastic barrel and an imaging lens set. The plastic barrel includes an object-side aperture and a first annular surface. The imaging lens set includes a plurality of optical elements, wherein at least one of the optical elements is a plastic lens element, and the plastic lens element includes an effective optical portion, a peripheral portion, a second annular surface, and an object-side connecting surface. The peripheral portion is formed around the effective optical portion. The second annular surface is formed on an object-side surface of the plastic lens element and surrounds the effective optical portion. The object-side connecting surface is formed on the object-side surface of the plastic lens element and surrounds the effective optical portion, and the object-side connecting surface is connected with one of the optical elements disposed on an object side of the plastic lens element.
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公开(公告)号：US20200249434A1
公开(公告)日：2020-08-06
申请号：US16297199
申请日：2019-03-08
Applicant: LARGAN PRECISION CO.,LTD.
Inventor： Cheng-Chen LIN , Yu-Tai TSENG , Tzu-Chieh KUO
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. Each of the seven lens elements of the optical photographing lens assembly has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The object-side surface of the first lens element is concave in a paraxial region thereof. The object-side surface of the first lens element is aspheric and has at least one critical point in an off-axis region thereof.
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公开(公告)号：US20180188496A1
公开(公告)日：2018-07-05
申请号：US15677126
申请日：2017-08-15
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Tung-Yi HSIEH , Cheng-Chen LIN , Chun-Che HSUEH , Chun-Yen CHEN , Hsin-Hsuan HUANG
CPC classification number: G02B13/0045 , G02B9/62
Abstract: An image capturing 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 has positive refractive power. The fourth lens element with positive refractive power has an image-side surface being convex. The fifth lens element has an image-side surface being concave. The sixth lens element has an image-side surface being concave, wherein the image-side surface of the sixth lens element includes at least one inflection point.
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公开(公告)号：US20150185446A1
公开(公告)日：2015-07-02
申请号：US14199990
申请日：2014-03-06
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Po-Lun HSU , Lin-Yao LIAO , Cheng-Chen LIN , Wei-Yu CHEN
CPC classification number: G02B13/0045
Abstract: An 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 and a fifth 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 third lens element has refractive power. The fourth 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 fifth lens element with positive refractive power 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 the image-side surface thereof has at least one convex shape in an off-axial region thereof.
Abstract translation: 光学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。 具有正屈光力的第一透镜元件具有在其近轴区域中凸出的物体侧表面。 第二透镜元件具有负屈光力。 第三透镜元件具有屈光力。 具有负屈光力的第四透镜元件的物体侧表面在其近轴区域是凹入的，并且图像侧表面在其近轴区域是凸形的。 具有正屈光力的第五透镜元件具有在其近轴区域中凸出的物体侧表面和在近轴区域中具有凹陷的图像侧表面，并且其图像侧表面具有至少一个凸起形状 其轴外区域。
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Patent Agency Ranking
公开(公告)号：US20240337815A1
公开(公告)日：2024-10-10
申请号：US18746521
申请日：2024-06-18
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Cheng-Chen LIN , Yu-Tai TSENG , Wei-Yu CHEN
CPC classification number: G02B9/64 , G02B13/0045
Abstract: A photographing lens assembly includes 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 sixth lens element has an image-side surface being concave in a paraxial region thereof. The seventh lens element has an image-side surface being concave in a paraxial region thereof. The eighth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof, and the image-side surface of the eighth lens element has at least one critical point in an off-axis region thereof.
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公开(公告)号：US20240027880A1
公开(公告)日：2024-01-25
申请号：US18479915
申请日：2023-10-03
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Kuan-Ming CHEN , Hsiang-Chi TANG , Lin-An CHANG , Cheng-Chen LIN , Ming-Ta CHOU
CPC classification number: G03B17/12 , H04N23/55 , H04N23/687
Abstract: An imaging lens assembly module has an optical axis, and includes a lens barrel and an optical element set. The lens barrel includes an object-side portion, a tubular portion and a tip-end minimal aperture. The object-side portion includes a first assembling surface. The tubular portion includes a plurality of second assembling surfaces. The optical element set includes at least one light blocking sheet and at least one optical lens element. The light blocking sheet includes an object-side surface, an image-side surface and an inner opening surface. The optical lens element includes an optical effective portion and a peripheral portion. The object-side portion of the lens barrel includes a first reversing inclined surface gradually enlarged from the tip-end minimal aperture to the image side of the lens barrel, and the first reversing inclined surface is not contacted with the optical element set.
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8.发明公开公开(公告)号：US20230393373A1
公开(公告)日：2023-12-07
申请号：US18236546
申请日：2023-08-22
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Cheng-Chen LIN , Yu-Tai TSENG , Wei-Yu CHEN
CPC classification number: G02B9/64 , G02B13/0045
Abstract: A photographing lens assembly includes 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 sixth lens element has an image-side surface being concave in a paraxial region thereof. The seventh lens element has an image-side surface being concave in a paraxial region thereof. The eighth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof, and the image-side surface of the eighth lens element has at least one critical point in an off-axis region thereof.
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公开(公告)号：US20210333519A1
公开(公告)日：2021-10-28
申请号：US17367489
申请日：2021-07-05
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Cheng-Chen LIN , Hsin-Hsuan HUANG
Abstract: An optical 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 has positive refractive power. The second lens element has positive refractive power. The third lens element has negative refractive power. The fourth lens element has an object-side surface and an image-side surface being aspheric. The fifth lens element has an object-side surface and an image-side surface being aspheric. The sixth lens element has an object-side surface and an image-side surface being aspheric, wherein at least one of the object-side surface and the image-side surface of the sixth lens element includes at least one inflection point.
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公开(公告)号：US20210278636A1
公开(公告)日：2021-09-09
申请号：US16915949
申请日：2020-06-29
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Cheng-Chen LIN , Hsin-Hsuan HUANG
Abstract: An imaging optical lens assembly includes nine lens elements which are, in order from an object side to an image side along an optical path: 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, an eighth lens element and a ninth lens element. Each of the nine lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The first lens element has positive refractive power. The second lens element has negative refractive power. The image-side surface of the ninth lens element is concave in a paraxial region thereof and has at least one inflection point.
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