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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：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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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：US20180224625A1
公开(公告)日：2018-08-09
申请号：US15585403
申请日：2017-05-03
Applicant: LARGAN DIGITAL CO., LTD.
Inventor： Te-Sheng TSENG , Wen-Hung HSU , Yung-Chun KANG
CPC classification number: G02B7/09 , G02B7/021 , G02B27/017 , G03B13/34 , G03B2205/0069 , H04M1/0264 , H04N5/2253 , H04N5/2258
Abstract: A dual lens driving apparatus includes a holder, a metal yoke, a carrier, a coil, a first magnet, a first elastic element and a second elastic element. The metal yoke is corresponding to the holder and includes a front end which includes a plate surface and a plurality of step portions, and a level difference is between each of the step portions and the plate surface. The carrier is movably disposed in the metal yoke. The coil is disposed around the carrier. The first magnet is disposed in the metal yoke. The first elastic element is assembled on a side of the carrier facing the front end of the metal yoke. The second elastic element is assembled on another side of the carrier facing the holder.
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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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Patent Agency Ranking
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：US20210157214A1
公开(公告)日：2021-05-27
申请号：US17164985
申请日：2021-02-02
Applicant: LARGAN DIGITAL CO., LTD.
Inventor： Te-Sheng TSENG , Ming-Ta CHOU , Wen-Hung HSU
Abstract: A camera module includes a plastic carrier, an imaging lens assembly, a reflective element and a plurality of auto-focusing elements. The plastic carrier includes an inner portion and an outer portion, wherein an inner space is defined by the inner portion, and the outer portion includes at least one mounting structure. The imaging lens assembly is disposed in the inner space of the plastic carrier. The reflective element is for folding an image light by a reflective surface of the reflective element into the imaging lens assembly. The auto-focusing elements include at least two magnets and at least one wiring element, wherein the auto-focusing elements are for moving the plastic carrier along a second optical axis of the imaging lens assembly, and the magnets or the wiring element can be disposed on the mounting structure of the outer portion.
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公开(公告)号：US20200341350A1
公开(公告)日：2020-10-29
申请号：US16687430
申请日：2019-11-18
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：US20200081321A1
公开(公告)日：2020-03-12
申请号：US16459781
申请日：2019-07-02
Applicant: LARGAN DIGITAL CO., LTD.
Inventor： Te-Sheng TSENG , Ming-Ta CHOU , Wen-Hung HSU
Abstract: A camera module includes a plastic carrier, an imaging lens assembly, a reflective element and a plurality of auto-focusing elements. The plastic carrier includes an inner portion and an outer portion, wherein an inner space is defined by the inner portion, and the outer portion includes at least one mounting structure. The imaging lens assembly is disposed in the inner space of the plastic carrier. The reflective element is for folding an image light by a reflective surface of the reflective element into the imaging lens assembly. The auto-focusing elements include at least two magnets and at least one wiring element, wherein the auto-focusing elements are for moving the plastic carrier along a second optical axis of the imaging lens assembly, and the magnets or the wiring element can be disposed on the mounting structure of the outer portion.
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