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公开(公告)号:US08730590B1
公开(公告)日:2014-05-20
申请号:US13743127
申请日:2013-01-16
Applicant: Largan Precision Co., Ltd.
Inventor: Tsung-Han Tsai , Chun-Che Hsueh , Wei-Yu Chen
CPC classification number: G02B13/004
Abstract: This disclosure provides an image capturing lens system, in order from an object side to an image side comprising: a first lens element with positive refractive power having a convex object-side surface and a concave image-side surface; a second lens element with positive refractive power; a third lens element with positive refractive power; and a fourth lens element with positive refractive power having a convex object-side surface, a concave at a paraxial region and convex at a peripheral region image-side surface, and both of the object-side and image-side surfaces thereof being aspheric; wherein the lens elements of the image capturing lens system with refractive power are the first lens element, the second lens element, the third lens element and the fourth lens element.
Abstract translation: 本发明提供从物体侧到图像侧的顺序的图像拍摄透镜系统,包括:具有凸的物体侧表面和凹面像侧表面的具有正折光力的第一透镜元件; 具有正折射力的第二透镜元件; 具有正屈光力的第三透镜元件; 以及具有正折射力的第四透镜元件,具有凸形物体侧表面,在近轴区域处的凹部并且在周边区域图像侧表面处凸出,并且其物体侧和像侧表面均为非球面; 其中具有屈光力的图像拍摄透镜系统的透镜元件是第一透镜元件,第二透镜元件,第三透镜元件和第四透镜元件。
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公开(公告)号:US08699150B1
公开(公告)日:2014-04-15
申请号:US13726213
申请日:2012-12-23
Applicant: Largan Precision Co., Ltd.
Inventor: Dung-Yi Hsieh , Wei-Yu Chen
CPC classification number: G02B13/0045
Abstract: A wide-angle 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 and a fifth lens element and each of the first through fifth lens elements is single and non-cemented. The first lens element with negative refractive power has a concave image-side surface. The second lens element with refractive power has a concave object-side surface and a convex image-side surface. The third lens element has positive refractive power. The fourth lens element has negative refractive power, wherein at least one of an object-side surface and an image-side surface of the fourth lens element is aspheric. The fifth lens element with positive refractive power has a convex image-side surface, wherein at least one of an object-side surface and the image-side surface of the fifth lens element is aspheric.
Abstract translation: 广角摄像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,并且第一透镜元件 通过第五透镜元件是单个并且非胶合的。 具有负屈光力的第一透镜元件具有凹形图像侧表面。 具有屈光力的第二透镜元件具有凹入的物体侧表面和凸形的图像侧表面。 第三透镜元件具有正的折光力。 第四透镜元件具有负屈光力,其中第四透镜元件的物体侧表面和图像侧表面中的至少一个是非球面的。 具有正折光力的第五透镜元件具有凸形的图像侧表面,其中第五透镜元件的物体侧表面和图像侧表面中的至少一个是非球面的。
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公开(公告)号:US12216252B2
公开(公告)日:2025-02-04
申请号:US18307872
申请日:2023-04-27
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Wei-Yu Chen
Abstract: An optical photographing 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 second lens element has refractive power. The third lens element has refractive power. The fourth lens element has refractive power. The fifth lens element with refractive power has an image-side surface being convex in a paraxial region thereof, wherein an object-side surface and the image-side surface of the fifth lens element are both aspheric. The sixth lens element with refractive power has an object-side surface and an image-side surface being both aspheric. The optical photographing lens assembly has a total of six lens elements with refractive power.
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公开(公告)号:US12181642B2
公开(公告)日:2024-12-31
申请号:US18399269
申请日:2023-12-28
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Cheng-Chen Lin , Wei-Yu Chen
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:US12164178B2
公开(公告)日:2024-12-10
申请号:US18222538
申请日:2023-07-17
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Shao-Yu Chang , Wei-Yu Chen
Abstract: An imaging optical lens assembly includes five optical elements with refractive power. The five optical elements, in order from an object side to an image side along an optical path, are a first optical element, a second optical element, a third optical element, a fourth optical element, and a fifth optical element. The first optical element has an object-side surface being concave in a paraxial region thereof. The third optical element has negative refractive power.
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公开(公告)号:US20240085666A1
公开(公告)日:2024-03-14
申请号:US18513806
申请日:2023-11-20
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Chun-Che Hsueh , Wei-Yu Chen
CPC classification number: G02B9/62 , G02B5/208 , G02B13/0045
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:US11880048B2
公开(公告)日:2024-01-23
申请号:US17823106
申请日:2022-08-30
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Po-Lun Hsu , Wei-Yu Chen
CPC classification number: G02B3/02 , G02B9/60 , G02B13/18 , G02B27/0025 , G02B27/646 , G02B13/0045
Abstract: An imaging lens assembly 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 positive refractive power. The fourth lens element with negative 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, wherein the two surfaces of the fourth lens element are both aspheric. The fifth lens element having an image-side surface being concave in a paraxial region thereof, wherein two surfaces of the fifth lens element are both aspheric, and the image-side surface of the fifth lens element includes at least one convex critical point in an off-axis region thereof.
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公开(公告)号:US11860450B2
公开(公告)日:2024-01-02
申请号:US17392130
申请日:2021-08-02
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Wei-Yu Chen
CPC classification number: G02B9/64 , G02B13/0045 , G02B27/0037 , G02B13/22
Abstract: An optical imaging 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 seventh lens element has an image-side surface being concave in a paraxial region thereof. At least one of an object-side surface and the image-side surface of the seventh lens element has at least one critical point in an off-axis region thereof. The object-side surface and the image-side surface of the seventh lens element are both aspheric.
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公开(公告)号:US11828910B2
公开(公告)日:2023-11-28
申请号:US17343816
申请日:2021-06-10
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Chung-Yu Wei , Hung-Shuo Chen , Kuan-Chun Wang , Wei-Yu Chen
CPC classification number: G02B13/0045 , G02B9/60 , G02B27/0025
Abstract: An image lens assembly includes five 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 and a fifth lens element. The first lens element has positive refractive power. The third lens element has negative refractive power. The fourth lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-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 and an image-side surface being concave in a paraxial region thereof. The image-side surface of the fifth lens element includes at least one convex critical point in an off-axis region thereof.
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公开(公告)号:US11709342B2
公开(公告)日:2023-07-25
申请号:US16993128
申请日:2020-08-13
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Chien-Hsun Wu , Chun-Che Hsueh , Wei-Yu Chen
CPC classification number: G02B13/0045 , G02B9/62 , G02B13/06
Abstract: An optical imaging lens assembly includes, in order from an object side to an image side: a first, a second, a third, a fourth, a fifth and a sixth lens elements. The first lens element has negative refractive power. The second lens element has an object-side surface being concave in a paraxial region thereof. The third lens element has an object-side surface being convex in a paraxial region thereof. The fifth lens element with negative refractive power has an object-side surface being concave and an image-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. At least one of an object-side surface and the image-side surface of the sixth lens element has at least one critical point in an off-axis region thereof, wherein both the surfaces of the sixth lens element are aspheric.
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