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公开(公告)号：US20240103342A1
公开(公告)日：2024-03-28
申请号：US17991728
申请日：2022-11-21
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chia-Cheng TSAI , Hsiu-Yi HSIAO , Ming-Ta CHOU , Te-Sheng TSENG
Abstract: A variable aperture module includes a blade assembly, a positioning element, a driving part and pressing structures. The blade assembly includes movable blades disposed around an optical axis to form a light passable hole with an adjustable size. Each movable blade has a positioning hole and a movement hole adjacent thereto. The positioning element includes positioning structures disposed respectively corresponding to the positioning holes. The driving part includes a rotation element disposed corresponding to the movement holes and is rotatable with respect to the positioning element. The pressing structures are disposed respectively corresponding to the movable blades. Each pressing structure is at least disposed into at least one of the positioning hole and the movement hole of the corresponding movable blade. Each pressing structure at least presses against at least one of the corresponding one positioning structure and the rotation element.
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公开(公告)号：US20220221686A1
公开(公告)日：2022-07-14
申请号：US17709658
申请日：2022-03-31
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Yi LU , Te-Sheng TSENG , Wen-Hung HSU
Abstract: A lens driving apparatus includes a holder, a cover, a carrier, a first magnet, a coil, a spring, two second magnets and a hall sensor. The holder includes an opening hole. The cover is made of metal material and coupled to the holder. The carrier is movably disposed in the cover, and for coupling to a lens. The first magnet is connected to an inner side of the cover. The coil is wound around an outer side of the carrier, and adjacent to the first magnet. The spring is coupled to the carrier. The second magnets are disposed on one end of the carrier which is toward the holder. The hall sensor is for detecting a magnetic field of any one of the second magnets, wherein the magnetic field is varied according to a relative displacement between the hall sensor and the second magnet which is detected.
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公开(公告)号：US20200271945A1
公开(公告)日：2020-08-27
申请号：US15930477
申请日：2020-05-13
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Yi LU , Te-Sheng TSENG , Wen-Hung HSU
Abstract: A lens driving module includes a holder, a cover, a carrier, at least one first magnet, a first coil, at least two second magnets, at least one first sensor and at least one second sensor. The holder includes an opening hole. The cover is made of metal material and coupled to the holder. The carrier is movably disposed in the cover and for coupling to a lens. The first magnet is movably disposed in the cover. The first coil is wound around an outer side of the carrier. The second magnets are disposed on one end of the carrier. The first sensor is for detecting a magnetic field of the second magnets. The second sensor is for detecting a magnetic field of the first magnet.
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公开(公告)号：US20190086631A1
公开(公告)日：2019-03-21
申请号：US16194424
申请日：2018-11-19
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Yi LU , Te-Sheng TSENG , Wen-Hung HSU
CPC classification number: G02B7/09 , G03B3/10 , G03B2205/0069
Abstract: A lens driving apparatus includes a holder, a cover, a carrier, a first magnet, a coil, a spring, two second magnets and a hall sensor. The holder includes an opening hole. The cover is made of metal material and coupled to the holder. The carrier is movably disposed in the cover, and for coupling to a lens. The first magnet is connected to an inner side of the cover. The coil is wound around an outer side of the carrier, and adjacent to the first magnet. The spring is coupled to the carrier. The second magnets are disposed on one end of the carrier which is toward the holder. The hall sensor is for detecting a magnetic field of any one of the second magnets, wherein the magnetic field is varied according to a relative displacement between the hall sensor and the second magnet which is detected.
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公开(公告)号：US20240377707A1
公开(公告)日：2024-11-14
申请号：US18382435
申请日：2023-10-20
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Zheng-Zhi HONG , Heng Yi SU , Yi Hua TSENG , Te-Sheng TSENG
Abstract: An adjustable aperture module includes a blade assembly, a fixed component connected to the blade assembly, a movable component connected to the blade assembly, and a driving mechanism. The blade assembly includes light-blocking blades overlapping one another in a circumferential direction surrounding a central axis and together forming a light pass aperture. The movable component is disposed corresponding to the fixed component. The driving mechanism is configured to rotate the movable component in the circumferential direction relative to the fixed component. The driving mechanism includes at least one coil assembly and at least one magnet arranged along the circumferential direction. The coil assembly includes at least two coils. The magnet is disposed on the movable component and includes at least one magnetic pole. The magnetic pole is disposed corresponding to the coil assembly and facing at least two coils of the coil assembly.
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Patent Agency Ranking
公开(公告)号：US20240231056A1
公开(公告)日：2024-07-11
申请号：US18134519
申请日：2023-04-13
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Wen-Hung HSU , Heng Yi SU , Ming-Ta CHOU , Te-Sheng TSENG
CPC classification number: G02B13/0065 , G02B27/646 , G03B5/04 , G03B17/12 , H02K41/0354 , H04N23/55 , H04N23/687 , G03B13/36 , G03B2205/0015 , G03B2205/0069
Abstract: A camera module includes a casing, a base, an imaging lens module, a driving module, an image stabilization module and an image sensor. The base is coupled to the casing, forming an accommodation space. The imaging lens module is disposed in the accommodation space and includes an imaging lens and a plastic light-folding element. The driving module includes a first holder, a fixed frame, a first rollable support and a first driving mechanism. The first holder holds the plastic light-folding element. The fixed frame is disposed corresponding to the first holder. The first rollable support is disposed between the first holder and the fixed frame. The first driving mechanism is configured to drive the first holder to move relative to the fixed frame. The image stabilization module is configured to drive the imaging lens or the image sensor to move in a direction perpendicular to the optical axis.
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公开(公告)号：US20240134150A1
公开(公告)日：2024-04-25
申请号：US18402818
申请日：2024-01-03
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Yi LU , Te-Sheng TSENG , Wen-Hung HSU
CPC classification number: G02B7/09 , G03B3/10 , G03B2205/0069
Abstract: A lens driving apparatus includes a holder, a cover, a carrier, a first magnet, a coil, a spring, two second magnets and a hall sensor. The holder includes an opening hole. The cover is made of metal material and coupled to the holder. The carrier is movably disposed in the cover, and for coupling to a lens. The first magnet is connected to an inner side of the cover. The coil is wound around an outer side of the carrier, and adjacent to the first magnet. The spring is coupled to the carrier. The second magnets are disposed on one end of the carrier which is toward the holder. The hall sensor is for detecting a magnetic field of any one of the second magnets, wherein the magnetic field is varied according to a relative displacement between the hall sensor and the second magnet which is detected.
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公开(公告)号：US20240111133A1
公开(公告)日：2024-04-04
申请号：US18471424
申请日：2023-09-21
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Yu-Tzu CHANG , Hsiu-Yi HSIAO , Ming-Ta CHOU , Te-Sheng TSENG
CPC classification number: G02B13/0075 , G03B9/06
Abstract: An imaging lens assembly module includes a lens carrier, a rotatable component, an imaging surface and a holder portion. At least one lens element of the imaging lens assembly module is disposed on the lens carrier, and the lens carrier includes an assembling structure. The rotatable component includes a blade set and a rotating element. The blade set includes rotatable blades surrounding an optical axis to form a through hole. The rotating element is connected to the blade set. The imaging surface is located on an image side of the lens carrier. The holder portion is configured to keep a fixed distance between the lens carrier and the imaging surface. The blade set and the rotating element are disposed on the assembling structure, and the blade set and the rotating element rotate relatively to the assembling structure, so that the dimension of the through hole is variable.
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公开(公告)号：US20240022803A1
公开(公告)日：2024-01-18
申请号：US18138954
申请日：2023-04-25
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Te-Sheng TSENG , Yu-Chen LAI , Ming-Ta CHOU
IPC: H04N23/55 , G03B30/00 , H02K41/035 , H04N23/68 , H04N23/54
CPC classification number: H04N23/55 , G03B30/00 , H02K41/0354 , H04N23/6812 , H04N23/687 , H04N23/54 , G02B5/003
Abstract: A camera module includes an imaging lens, an image sensor, a corner drive mechanism and a side drive mechanism. The image sensor is disposed at an image side of the imaging lens. The image sensor includes a photosensitive surface. The photosensitive surface faces the imaging lens. The photosensitive surface is substantially rectangular. The photosensitive surface is movable close to or away from the imaging lens in a focusing direction, and is movable in a translational direction orthogonal to the focusing direction. The corner drive mechanism is disposed corresponding to a corner of the photosensitive surface. The side drive mechanism is disposed corresponding to a side of the photosensitive surface. One of the corner drive mechanism and the side drive mechanism drives the image sensor to move in the focusing direction, and another one thereof drives the image sensor to move in the translational direction.
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公开(公告)号：US20240019711A1
公开(公告)日：2024-01-18
申请号：US17942053
申请日：2022-09-09
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Te-Sheng TSENG , Heng Yi SU , Ming-Ta CHOU
CPC classification number: G02B27/646 , H04N5/23287 , G03B5/00 , G03B2205/003 , G03B2205/0069
Abstract: An image stabilization lens module includes a lens holder, a light-folding element, a movable carrier, a fixed base, a swing element and a driving mechanism. The movable carrier carries the light-folding element. The fixed base connects the movable carrier via an elastic element. The swing element between the movable carrier and the fixed base includes a main body, a carrier support structure and a base auxiliary structure on a carrier corresponsive surface of the main body, and a base support structure and a carrier auxiliary structure on a base corresponsive surface of the main body. The carrier support structure supports the movable carrier. The base support structure contacts the fixed base. The driving mechanism is for driving the movable carrier to rotate. The carrier auxiliary structure, the base auxiliary structure and the main body are formed in one piece.
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