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公开(公告)号：US11506861B2
公开(公告)日：2022-11-22
申请号：US16700995
申请日：2019-12-02
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：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：US11431883B2
公开(公告)日：2022-08-30
申请号：US17097006
申请日：2020-11-13
Applicant: LARGAN DIGITAL CO., LTD.
Inventor： Lin-An Chang , Ming-Ta Chou
Abstract: A camera module includes an imaging lens assembly, an image sensor, a first reflecting member and a first driving apparatus. The imaging lens assembly is for converging an imaging light on an image surface. The image sensor is disposed on the image surface. The first reflecting member is located on an image side of the imaging lens assembly, the first reflecting member is for folding the imaging light, and has a first translational degrees of freedom. The first reflecting member is assembled on the first driving apparatus, and the first driving apparatus is for driving the first reflecting member moving along the first translational degrees of freedom.
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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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Patent Agency Ranking
公开(公告)号：US11363175B2
公开(公告)日：2022-06-14
申请号：US17037341
申请日：2020-09-29
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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公开(公告)号：US11310406B2
公开(公告)日：2022-04-19
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：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：US11226468B2
公开(公告)日：2022-01-18
申请号：US15957015
申请日：2018-04-19
Applicant: LARGAN DIGITAL CO., LTD.
Inventor： Te-Sheng Tseng , Wen-Hung Hsu , Ming-Ta Chou
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, a circuit board, at least one position detection unit, a coil and at least three driving magnets. The holder has a rectangular appearance, wherein the holder includes a holder opening and four sides. The carrier is displaceable relative to the holder along a direction parallel to a central axis. The holder further includes at least three first terminals and a plurality of second terminals. The first terminals are positioned close to only one of the four sides of the holder and extended outward from the holder along the direction parallel to the central axis, wherein the position detection unit is positioned close to another one of the four sides. The second terminals are fixedly connected to the circuit board.
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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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