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公开(公告)号：US20210141234A1
公开(公告)日：2021-05-13
申请号：US17153955
申请日：2021-01-21
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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42.发明申请公开(公告)号：US20200348482A1
公开(公告)日：2020-11-05
申请号：US16931581
申请日：2020-07-17
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Hsiang-Chi TANG , Ming-Ta CHOU , Ruei-Yang LUO
Abstract: An imaging lens assembly has an optical axis and includes a plastic barrel, a lens set and a retaining element. The plastic barrel includes a first channel and a second channel. The lens set is disposed in the plastic barrel and includes at least one adjustable lens element, wherein an outer diameter surface of the adjustable lens element includes a plurality of axial rotation structures, each of the axial rotation structures is in a protruding strip shape, and at least one of the axial rotation structures is disposed correspondingly to the second channel of the plastic barrel and exposed. The retaining element is disposed in the plastic barrel and includes an anti-releasing structure, which is disposed correspondingly to the first channel of the plastic barrel to avoid the lens set being released from the plastic barrel.
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公开(公告)号：US20200285030A1
公开(公告)日：2020-09-10
申请号：US16880858
申请日：2020-05-21
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Hsiang-Chi TANG , Cheng-Chen LIN , Chun-Yen CHEN , Yu-Tai TSENG , Wei-Yu CHEN
Abstract: An 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, 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 and 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 image-side surface of the seventh lens element has 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. At least one of an image-side surface of the fourth lens element and an image-side surface of the fifth lens element has at least one inflection point.
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公开(公告)号：US20200150406A1
公开(公告)日：2020-05-14
申请号：US16522900
申请日：2019-07-26
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Wei-Yu CHEN , Hsiang-Chi TANG
Abstract: An imaging optical lens assembly includes an aperture stop and a plurality of lens elements. The aperture stop has a fixed elliptical shape, and the aperture stop has a major axis and a minor axis.
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公开(公告)号：US20200073087A1
公开(公告)日：2020-03-05
申请号：US16674244
申请日：2019-11-05
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Hsuan-Chin HUANG , Hsiang-Chi TANG , Ming-Ta CHOU
Abstract: A plastic optical lens assembly includes a first lens element, a second lens element and a cementing glue coating. A first spacing section is located between a first optical effective portion and a first engaging structure. A second optical effective portion is disposed correspondingly to the first optical effective portion. A second spacing section is located between the second optical effective portion and a second engaging structure. The first engaging structure is engaged with the second engaging structure. A reference space is between the first and the second spacing section. The cementing glue coating is at least disposed between the first and the second optical effective portions, and the first and the second lens elements are cemented by the cementing glue coating.
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Patent Agency Ranking
公开(公告)号：US20190025600A1
公开(公告)日：2019-01-24
申请号：US15922037
申请日：2018-03-15
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：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
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.
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公开(公告)号：US20140049838A1
公开(公告)日：2014-02-20
申请号：US14062705
申请日：2013-10-24
Applicant: LARGAN Precision Co., Ltd.
Inventor： Hsiang-Chi TANG , Ming-Ta CHOU
IPC: G02B13/18
CPC classification number: G02B9/60 , G02B5/208 , G02B13/0045 , G02B13/18 , G02B27/0025
Abstract: An photographing optical lens assembly includes, in order from an object side to an image side, a first lens element with refractive power including a convex object-side surface, a second lens element with positive refractive power including a convex image-side surface, a third lens element with positive refractive power including a concave object-side surface and a convex image-side surface, a fourth lens element with negative refractive power, and a fifth lens element with positive refractive power including a convex object-side surface, a concave image-side surface and at least one inflection point. The surfaces of the fifth lens element are aspheric. By adjusting the photographing optical lens assembly, the total length of the photographing optical lens assembly is reduced, the aberration is corrected, and the image quality is improved.
Abstract translation: 拍摄光学透镜组件从物体侧到像侧依次包括具有凸起物体侧表面的具有折射光焦度的第一透镜元件，具有包括凸形像侧表面的正折光力的第二透镜元件， 具有正折射力的第三透镜元件，包括凹面物侧表面和凸像侧表面，具有负屈光力的第四透镜元件和具有正折射力的第五透镜元件，包括凸物侧表面，凹面 图像侧表面和至少一个拐点。 第五透镜元件的表面是非球面的。 通过调整拍摄光学透镜组件，减少拍摄光学透镜组件的总长度，校正像差，提高图像质量。
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公开(公告)号：US20230026033A1
公开(公告)日：2023-01-26
申请号：US17828068
申请日：2022-05-31
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Yu-Tai TSENG , Lin-An CHANG , Ming-Ta CHOU , Hsiang-Chi TANG
Abstract: An electronic device includes a display screen, a first aperture region and a second aperture region. The display screen is disposed on a surface of the electronic device. The first aperture region is disposed on the surface of the electronic device, and a visible light is able to enter into an internal portion of the electronic device through the first aperture region. The second aperture region is disposed on the surface of the electronic device, and the visible light is able to enter into the internal portion of the electronic device through the second aperture region. The display screen is disposed between the first aperture region and the second aperture region and configured to be a spacing maintained therebetween, and a shape of the first aperture region and a shape of the second aperture region are non-circular and mirror-symmetrical to each other.
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公开(公告)号：US20220334350A1
公开(公告)日：2022-10-20
申请号：US17810628
申请日：2022-07-04
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Hsuan-Chin HUANG , Hsiang-Chi TANG , Ming-Ta CHOU
Abstract: A plastic optical lens assembly includes a first lens element, a second lens element and a cementing glue coating. A first spacing section is located between a first optical effective portion and a first engaging structure. A second optical effective portion is disposed correspondingly to the first optical effective portion. A second spacing section is located between the second optical effective portion and a second engaging structure. The first engaging structure is engaged with the second engaging structure. A reference space is between the first and the second spacing section. The cementing glue coating is at least disposed between the first and the second optical effective portions, and the first and the second lens elements are cemented by the cementing glue coating.
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