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公开(公告)号：US20250093616A1
公开(公告)日：2025-03-20
申请号：US18961060
申请日：2024-11-26
Applicant: LARGAN DIGITAL CO.,LTD.
Inventor： Heng Yi SU , Ming-Ta CHOU , Wen-Hung HSU , Te-Sheng TSENG
Abstract: An imaging lens module includes an imaging lens unit, an optical folding component and a sensing magnet group. The imaging lens unit has an optical axis. The optical folding component is configured to fold an incident optical path into the imaging lens unit to coincide with the optical axis. The sensing magnet group includes two sensing magnets that are sequentially disposed on the imaging lens unit along a direction in parallel with the optical axis. The sensing magnets are located at the same side with respect to a reference plane that passes through the optical axis and has a normal direction perpendicular to the optical axis. When the sensing magnets are observed from the direction in parallel with the optical axis, images of the sensing magnets are at least partially overlapped. Two adjacent magnetic poles of the sensing magnets are like poles between which there is a repulsive force.
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公开(公告)号：US20250004242A1
公开(公告)日：2025-01-02
申请号：US18884417
申请日：2024-09-13
Applicant: LARGAN DIGITAL CO., LTD.
Inventor： Hao-Jan CHEN , Heng-Yi SU , Ming-Ta CHOU , Chen-Yi HUANG , Ming-Shun CHANG
Abstract: An imaging lens driving module includes a lens carrier, a molded receiving base, a rolling element, a molded frame element and a driving mechanism. The lens carrier defines an optical axis. The molded receiving base is configured to receive the lens carrier. The rolling element is disposed between the lens carrier and the molded receiving base, and the lens carrier is allowed to be displaceable along the optical axis and relatively to the molded receiving base. The molded frame element is coupled with the molded receiving base for defining an inner space to receive the lens carrier. The driving mechanism drives the lens carrier displaceable along the optical axis, and includes a driving magnet and a driving coil, wherein the driving magnet is disposed on the lens carrier, the driving coil is corresponding to and faces towards the driving magnet.
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公开(公告)号：US20230088610A1
公开(公告)日：2023-03-23
申请号：US17529145
申请日：2021-11-17
Applicant: LARGAN DIGITAL CO.,LTD.
Inventor： Heng Yi SU , Ming-Ta CHOU , Te-Sheng TSENG
Abstract: An imaging lens driving module includes a lens system, a lens holder accommodating optical lens elements of the lens system, a base, a rollable support assembly and a driving mechanism. The base includes first and second guiding grooves extending in a direction parallel to the optical axis, disposed opposite to each other and facing the lens holder. The rollable support assembly is in physical contact with and disposed between the lens holder and the base and includes principal and auxiliary rollable support elements. The principal rollable support element is disposed between the lens holder and the first guiding groove. The auxiliary rollable support element is disposed between the lens holder and the second guiding groove. The driving mechanism is configured to drive the lens holder to move. Diameters of the principal and auxiliary rollable support elements in physical contact with the lens holder are different from each other.
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公开(公告)号：US20230039874A1
公开(公告)日：2023-02-09
申请号：US17970304
申请日：2022-10-20
Applicant: LARGAN DIGITAL CO.,LTD.
Inventor： Chun-Hua TSAI , Ming-Ta CHOU , Ming-Shun CHANG
Abstract: An imaging lens module with auto focus function includes an imaging lens assembly, an electromagnetic driving component assembly and a lens carrier. The imaging lens assembly has an optical axis. The electromagnetic driving component assembly drives the imaging lens assembly to move in a direction parallel to the optical axis by a Lorentz force. The imaging lens assembly is mounted to the lens carrier such that the imaging lens assembly can be wholly driven by the Lorentz force. The lens carrier includes an object-side part, a mounting structure and a plurality of plate portions. The object-side part includes a tip-end minimal aperture configured for light to travel through; and a tapered surface which surrounds an area tapered off from image side to object side. The mounting structure and the plate portions are configured for at least a part of the electromagnetic driving component assembly to be mounted thereto.
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公开(公告)号：US20220272241A1
公开(公告)日：2022-08-25
申请号：US17742304
申请日：2022-05-11
Applicant: LARGAN DIGITAL CO.,LTD.
Inventor： Lin An CHANG , Ming-Ta CHOU
IPC: H04N5/225 , G02B13/00 , H01L27/146
Abstract: A camera module includes a housing, a unitary element, an optical lens assembly, an image-side light blocking assembly and a driving device. The unitary element is one-piece formed from a lens carrier and a lens barrel and movably disposed in the housing. The optical lens assembly is disposed in the unitary element. The image-side light blocking assembly includes at least one light blocking sheet, and the image-side light blocking assembly does not contact the optical lens assembly. The driving device is disposed between the housing and the unitary element. The driving device drives the unitary element, the optical lens assembly and the image-side light blocking assembly to move in an optical axis direction parallel to an optical axis of the optical lens assembly by electromagnetic force. A minimal inner opening of the unitary element is located between the optical lens assembly and the image-side light blocking assembly.
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Patent Agency Ranking
公开(公告)号：US20220244486A1
公开(公告)日：2022-08-04
申请号：US17239228
申请日：2021-04-23
Applicant: LARGAN DIGITAL CO.,LTD.
Inventor： Hao Jan CHEN , Yu Chen LAI , Ming-Ta CHOU , Te-Sheng TSENG
Abstract: A lens driving module is configured to provide an imaging lens system with auto-focus functionality. The imaging lens system is disposed between a preloading element and a driving base of the lens driving module. The preloading element includes an injection molded part and a ferromagnetic part partially embedded in the injection molded part. A rollable element is disposed in each of mounting structures of the injection molded part and in contact with a displaceable lens carrier of the imaging lens system. The ferromagnetic part and a magnet disposed on the displaceable lens carrier together generate a magnetic attraction force, such that the displaceable lens carrier exerts a preloading force on the rollable element. The driving base includes a driving coil and an electrical wiring pattern. The driving coil corresponds to the magnet for generating a driving force to drive the displaceable lens carrier to move along the optical axis.
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公开(公告)号：US20210349292A1
公开(公告)日：2021-11-11
申请号：US17383529
申请日：2021-07-23
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：US20210136267A1
公开(公告)日：2021-05-06
申请号：US17146512
申请日：2021-01-12
Applicant: LARGAN DIGITAL CO., LTD.
Inventor： Te-Sheng TSENG , Wen-Hung HSU , Ming-Ta CHOU
Abstract: A photographing module includes a metal cover, a base, a lens portion and a leaf spring. The lens portion is displaceably disposed in an inner space. The leaf spring is assembled with the lens portion and includes an inner fixing portion, an outer fixing portion and an elastic portion. The inner fixing portion is assembled with the lens portion. The outer fixing portion contacts and is fixedly disposed with the metal cover. The elastic portion connects the inner fixing portion and the outer fixing portion. The leaf spring further includes a plurality of contact portions and a plurality of auxiliary elastic portions. Each of the auxiliary elastic portions connects the outer fixing portion and one of the contact portions. For the leaf spring, only the contact portions thereof contact side plates of the metal cover.
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公开(公告)号：US20210080686A1
公开(公告)日：2021-03-18
申请号：US17090981
申请日：2020-11-06
Applicant: LARGAN DIGITAL CO., LTD.
Inventor： Chun-Yi LU , Te-Sheng TSENG , Ming-Ta CHOU
IPC: G02B7/09 , H02K41/035 , G03B13/36 , G03B3/10
Abstract: A lens assembly driving apparatus includes a holder, a metal yoke, a carrier, a lens assembly, a magnet set, a coil and at least one elastic element. The metal yoke is coupled with the holder. The carrier is movably disposed in the metal yoke. The carrier includes an object-side portion and at least three inner surfaces. The object-side portion has an object-side central hole. The lens assembly has an optical axis. The optical axis is corresponding to the object-side central hole. The lens assembly is coupled in the carrier. A movement of the lens assembly relative to the holder is according to a movement of the carrier. The magnet set includes only two magnets. The coil surrounds and is fixed at an exterior of the carrier. The elastic element is coupled with the carrier and the holder.
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公开(公告)号：US20200089083A1
公开(公告)日：2020-03-19
申请号：US16441141
申请日：2019-06-14
Applicant: LARGAN DIGITAL CO., LTD.
Inventor： Te-Sheng TSENG , Ming-Ta CHOU , Wen-Hung HSU
Abstract: A camera module includes a metal yoke, a holding base, a plastic barrel, a plurality of plastic lens elements, a leaf spring pair and a coil element. The holding base is connected to the metal yoke and defines an inner space. The holding base has a through hole which is corresponding to an opening of the metal yoke. The plastic barrel is movably disposed in the inner space. The plastic lens elements are disposed in the plastic barrel. The leaf spring pair includes two leaf springs which are located on a same plane and connected to the plastic barrel. The coil element surrounds an outer surface of the plastic barrel and electrically connected to the leaf spring pair, wherein two ends of the coil element is connected to the leaf springs by a thermal pressing method.
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