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公开(公告)号:US20240219692A1
公开(公告)日:2024-07-04
申请号:US18609037
申请日:2024-03-19
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Hsin-Hsuan HUANG
CPC classification number: G02B13/0045 , G02B9/62 , G02B27/0025
Abstract: A photographing 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 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 has refractive power. The fifth lens element with refractive power has an object-side surface being concave in a paraxial region thereof. The sixth 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 photographing optical lens assembly has a total of six lens elements with refractive power.
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公开(公告)号:US20240168263A1
公开(公告)日:2024-05-23
申请号:US18429265
申请日:2024-01-31
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Hsin-Hsuan HUANG
CPC classification number: G02B13/0045 , G02B9/00 , G02B9/64 , G02B13/0015 , G02B13/002 , G02B27/0025
Abstract: A photographing optical lens assembly includes, in order from object side to 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 has positive refractive power. The second, third, fourth and fifth lens elements have refractive power. The sixth lens element with refractive power has an image-side surface being concave in a paraxial region, wherein an object-side surface and the image-side surface of the sixth lens element are both aspheric, and the image-side surface has at least one inflection point. The seventh lens element with refractive power has an image-side surface being concave in a paraxial region, wherein an object-side surface and the image-side surface of the seventh lens element are both aspheric, and the image-side surface has at least one inflection point.
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公开(公告)号:US20240168261A1
公开(公告)日:2024-05-23
申请号:US18120340
申请日:2023-03-10
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Yu-Tai TSENG , Po-Wei CHEN , I-Hsuan CHEN , Hsin-Hsuan HUANG
CPC classification number: G02B13/004 , G02B9/44 , G02B13/0065
Abstract: A photographing system 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 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 surface of at least one lens element in the photographing system lens assembly has at least one inflection point. The first lens element has positive refractive power, the object-side surface of the first lens element is convex in a paraxial region thereof, and the image-side surface of the first lens element is convex in a paraxial region thereof. The object-side surface of the second lens element is concave in a paraxial region thereof. The image-side surface of the third lens element is concave in a paraxial region thereof.
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公开(公告)号:US20240151948A1
公开(公告)日:2024-05-09
申请号:US18414630
申请日:2024-01-17
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Cheng-Chen LIN , Hsin-Hsuan HUANG , Shu-Yun YANG
CPC classification number: G02B13/0045 , G02B5/00 , G02B13/0065 , G02B13/02 , G02B27/0025
Abstract: A photographing optical lens assembly includes, in order from an object side to an image side along an optical axis, 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 an object-side surface being convex in a paraxial region thereof.
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公开(公告)号:US20240134159A1
公开(公告)日:2024-04-25
申请号:US18398377
申请日:2023-12-28
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Po-Lun HSU , Hsin-Hsuan HUANG
CPC classification number: G02B13/0045 , G02B9/64
Abstract: An image capturing optical system includes seven lens elements, the seven 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. An image-side surface of the fifth lens element is convex in a paraxial region thereof. An image-side surface of the sixth lens element is concave in a paraxial region thereof. The seventh lens element has negative refractive power.
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公开(公告)号:US20240094511A1
公开(公告)日:2024-03-21
申请号:US18517181
申请日:2023-11-22
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Hsin-Hsuan HUANG
CPC classification number: G02B13/0045 , G02B9/62 , G02B13/0015 , G02B13/18
Abstract: A photographing 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 with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has refractive power. Each of the third through sixth lens elements has refractive power and an object-side surface and an image-side surface being both aspheric. The photographing optical lens assembly has a total of six lens elements with refractive power.
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公开(公告)号:US20230251466A1
公开(公告)日:2023-08-10
申请号:US18301335
申请日:2023-04-17
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Kuan-Ming CHEN , Tsung-Han TSAI , Hsin-Hsuan HUANG , Chun-Che HSUEH
CPC classification number: G02B13/0045 , G02B9/62
Abstract: An optical image capturing 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 and the third lens element have refractive power. The fourth lens element with negative refractive power has a concave object-side surface and a convex image-side surface. The fifth lens element with positive refractive power has a convex object-side surface, wherein at least one inflection point is on at least one surface thereof. The sixth lens element with negative refractive power has a concave object-side surface. The surfaces of the fifth and the sixth lens elements are aspheric. The optical image capturing system has a total of six lens elements.
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公开(公告)号:US20230145677A1
公开(公告)日:2023-05-11
申请号:US18152829
申请日:2023-01-11
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Hsin-Hsuan HUANG
CPC classification number: G02B13/0045 , G02B9/62 , G02B1/041
Abstract: An optical image capturing lenses includes, in order from an object side to an image side, a front lens group, a stop, and a rear lens group. The front lens group includes, in order from the object side to the image side, at least a first lens element and a second lens element. The first lens element has a convex object-side surface and a concave image-side surface. The rear lens group includes, in order from the object side to the image side, at least a third lens element, a fourth lens element, a fifth lens element, and a sixth lens element. The sixth lens element is made of plastic material. The object-side surface and the image-side surface of the sixth lens are aspheric. The sixth lens element has at least one inflection point formed on at least one of the object-side surface and the image-side surface thereof.
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公开(公告)号:US20230141883A1
公开(公告)日:2023-05-11
申请号:US17839779
申请日:2022-06-14
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Hsin-Hsuan HUANG , Meng-Kuan CHO
CPC classification number: G02B13/0045 , G02B13/0065 , G03B17/17
Abstract: An image capturing system 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. Each of the five lens elements has an object-side surface towards the object side and an image-side surface towards the image side. At least one of the object-side surface and the image-side surface of at least one of the first lens element to the fifth lens element includes at least one inflection point.
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公开(公告)号:US20230138624A1
公开(公告)日:2023-05-04
申请号:US18146484
申请日:2022-12-27
Applicant: LARGAN PRECISION CO., LTD.
Inventor: Po-Lun HSU , Hsin-Hsuan HUANG
Abstract: An image capturing optical system includes seven lens elements, the seven 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. An image-side surface of the fifth lens element is convex in a paraxial region thereof. An image-side surface of the sixth lens element is concave in a paraxial region thereof. The seventh lens element has negative refractive power.
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