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公开(公告)号：US20200018925A1
公开(公告)日：2020-01-16
申请号：US16426073
申请日：2019-05-30
Applicant: LARGAN DIGITAL CO., LTD.
Inventor： Ming-Ta CHOU , Chun-Hua TSAI
Abstract: A plastic barrel includes an inner portion and an outer portion. The inner portion defines an interior space. The inner portion includes, in order from an object side to an image side, an object-side opening, a plurality of inner annular surfaces and an image-side opening. The interior space is configured for accommodating an imaging lens assembly, and the imaging lens assembly includes a plurality of plastic lens elements. The outer portion surrounds the inner portion. The outer portion includes a mounting structure. The mounting structure is disposed on a surface of the outer portion. The mounting structure is injection molded for mounting a planar conductive element and a wiring element. The mounting structure includes at least three gate traces, and the three gate traces are located on a surface of the mounting structure.
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公开(公告)号：US20190162929A1
公开(公告)日：2019-05-30
申请号：US16104314
申请日：2018-08-17
Applicant: LARGAN DIGITAL CO., LTD.
Inventor： Te-Sheng TSENG , Wen-Hung HSU , Ming-Ta CHOU
IPC: G02B7/09 , H02K41/035 , G03B13/36 , G02B13/00 , H02K11/215
Abstract: A lens driving apparatus is for driving a lens assembly and includes a holder, a metal cover, a carrier, at least one detection magnet, at least one position detection unit, a coil and at least two driving magnets. The position detection unit is disposed on the holder, wherein the position detection unit is for detecting a displacement along a direction parallel to a central axis of the detection magnet. The holder further includes a plurality of terminal portions and a plurality of conductive portions. The terminal portions are extended outward from the holder along the direction parallel to the central axis. The conductive portions are exposed on a surface of the holder, wherein four of the conductive portions are arranged as a grid array of two rows and two columns, and the four of the conductive portions are disposed correspondingly to the position detection unit.
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公开(公告)号：US20240393565A1
公开(公告)日：2024-11-28
申请号：US18791264
申请日：2024-07-31
Applicant: LARGAN DIGITAL CO.,LTD.
Inventor： Heng Yi SU , Ming-Ta CHOU , Te-Sheng TSENG , Ming-Shun CHANG
Abstract: A lens driving module includes a base, a shield can, a driving mechanism, a space maintaining element and a damping element. The base has an opening. The shield can is coupled to the base and has a central aperture corresponding to the opening. The driving mechanism is disposed in the shield and configured to drive a lens unit to move. The space maintaining element is in physical contact with the shield can. The space maintaining element includes a plastic frame portion and a metal structure portion. The metal structure portion includes pins extending toward the base. The metal structure portion is insert-molded with the plastic frame portion to form the space maintaining element. The damping element is connected to the pins and the lens unit. The pins of the metal structure portion are located closer to the optical axis than part of the metal structure portion without the pins.
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34.发明公开公开(公告)号：US20230353852A1
公开(公告)日：2023-11-02
申请号：US18337147
申请日：2023-06-19
Applicant: LARGAN DIGITAL CO., LTD.
Inventor： Heng-Yi SU , Ming-Ta CHOU , Te-Sheng TSENG
CPC classification number: H04N23/55 , G01R33/07 , H04N23/54 , H05K1/189 , G02B1/041 , H05K2201/10121
Abstract: An imaging lens assembly module includes an imaging lens assembly, a light path folding element, a first lens barrel, a second lens barrel, a base and a plurality of rolling bearings. The imaging lens assembly includes a plurality of plastic lens elements, and defines a first optical axis passing through the plastic lens elements. The first lens barrel contains one or more of the plastic lens elements. The second lens barrel contains another one or more of the plastic lens elements. The base includes a guiding groove structure, and the guiding groove structure extends continuously along a direction parallel to the first optical axis. The rolling bearings interposed between the first lens barrel and the base and the rolling bearings interposed between the second lens barrel and the base are interposed in the guiding groove structure.
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公开(公告)号：US20230003963A1
公开(公告)日：2023-01-05
申请号：US17458050
申请日：2021-08-26
Applicant: LARGAN DIGITAL CO.,LTD.
Inventor： Yu Chen LAI , Ming-Ta CHOU , Te-Sheng TSENG
IPC: G02B7/02 , G02B7/08 , H04N5/225 , H02K41/035 , G03B5/02
Abstract: An optical element driving unit includes a stationary body, a carrier, a supporting mechanism and an electromagnetic driving assembly. The supporting mechanism is connected to the carrier and the stationary body and provides the carrier with a degree of freedom of movement relative to the stationary body. The carrier can be driven to move by the electromagnetic driving assembly. The electromagnetic driving assembly includes a driving coil, a driving magnet and a ferromagnetic element. The driving coil is disposed on the carrier. The driving magnet is disposed on the stationary body. The ferromagnetic element is one-piece formed and embedded in the carrier, and the ferromagnetic element includes a magnetic field guiding part and an electrical connection part. The magnetic field guiding part faces the driving coil and/or the driving magnet. The electrical connection part is exposed on a surface of the carrier and electrically connected to the driving coil.
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Patent Agency Ranking
公开(公告)号：US20220357545A1
公开(公告)日：2022-11-10
申请号：US17874112
申请日：2022-07-26
Applicant: LARGAN DIGITAL CO.,LTD.
Inventor： Te-Sheng TSENG , Ming-Ta CHOU , Wen-Hung HSU
Abstract: A camera driving module includes: a base including a central opening; a casing disposed on the base and including an opening hole corresponding to the central opening; a lens unit movably disposed on the casing; and a focus driving part. The focus driving part includes a carrier, an AF coil element, at least two permanent magnets and a Hall element. The carrier is disposed on the lens unit and movable in a direction parallel to an optical axis. The AF coil element is fixed to the base and faces toward the carrier. The permanent magnets are fixed on one side of the carrier facing toward the base and disposed opposite to each other about the optical axis. The Hall element faces toward a corresponding surface of one of the permanent magnets. The AF coil element and the corresponding surfaces are arranged in the direction parallel to the optical axis.
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公开(公告)号：US20220308308A1
公开(公告)日：2022-09-29
申请号：US17839755
申请日：2022-06-14
Applicant: LARGAN DIGITAL CO., LTD.
Inventor： Te-Sheng TSENG , Ming-Ta CHOU , Wen-Hung HSU
Abstract: A camera module includes a metal yoke, a holder, a plastic barrel, a plurality of plastic lens elements and a plurality of metal conducting elements. The holder is connected to the metal yoke for forming an inner space. The plastic barrel is movably disposed in the inner space and includes at least one buffering part. The plastic lens elements are disposed in the plastic barrel. The metal conducting elements are at least one leaf spring and a wire element, wherein the metal conducting elements are connected to the plastic barrel. Before the at least one buffering part contacts a contacting part of the at least one leaf spring, there is a gap distance between the at least one buffering part and the contacting part of the at least one leaf spring.
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公开(公告)号：US20220236517A1
公开(公告)日：2022-07-28
申请号：US17715152
申请日：2022-04-07
Applicant: LARGAN DIGITAL CO., LTD.
Inventor： Te-Sheng TSENG , Wen-Hung HSU , Ming-Ta CHOU
Abstract: A lens driving apparatus includes a holder, a metal cover, a carrier, a sensing magnet, a printed circuit board, a position sensor, a coil and at least one driving magnet. The metal cover is coupled with the holder and has an opening. The carrier is assembled to a lens assembly having an optical axis, wherein the carrier is disposed in the metal cover and is movable along a direction parallel to the optical axis. The sensing magnet is coupled with the carrier. The printed circuit board is disposed near to one of the four lateral sides of the holder. The position sensor is disposed on the printed circuit board and corresponds to the sensing magnet. The coil is disposed on an outer surface of the carrier. One of the driving magnet is disposed in the metal cover and corresponds to the coil.
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公开(公告)号：US20220030168A1
公开(公告)日：2022-01-27
申请号：US17060047
申请日：2020-09-30
Applicant: LARGAN DIGITAL CO.,LTD.
Inventor： Lin An CHANG , Hao Jan CHEN , Ming-Ta CHOU , Chen-Yi HUANG
Abstract: A reflection module capable of image stabilization includes a reflecting element, a rotatable holder, a fixed base, a spherical supporting structure, an auxiliary supporting structure and an image stabilizing actuator. The reflecting element having a reflecting surface for folding optical path of incident light is disposed on the rotatable holder. The fixed base is connected to the rotatable holder via an elastic element. The spherical supporting structure is disposed between the rotatable holder and the fixed base. The auxiliary supporting structure disposed on at least one of the rotatable holder and the fixed base and corresponds to the spherical supporting structure. At least part of the image stabilizing actuator is disposed on the rotatable holder for driving the rotatable holder to rotate by taking the spherical supporting structure as rotation center. The spherical supporting structure is a ball having at least three contact points with the auxiliary supporting structure.
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公开(公告)号：US20210364730A1
公开(公告)日：2021-11-25
申请号：US16931331
申请日：2020-07-16
Applicant: LARGAN DIGITAL CO.,LTD.
Inventor： Heng Yi SU , Ming-Ta CHOU , Te-Sheng TSENG
Abstract: An imaging camera driving module includes a lens unit, a driving mechanism, a sensing mechanism and an image surface. At least a part of the driving mechanism is coupled to the lens unit to drive the lens unit to move in a direction parallel to the optical axis. The sensing mechanism includes sensing magnets fixed to the lens unit and sensing elements not facing the driving mechanism. The sensing elements are disposed on an image side of the imaging lens assembly of the lens unit and corresponding to the sensing magnets. The sensing elements are configured to detect a relative position of the sensing magnets. The image surface is disposed on the image side of the imaging lens assembly, and the optical axis passes through the image surface. The sensing mechanism is configured to detect a tilt of the optical axis with respect to the central axis.
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