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.

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

IPC: G02B7/09 ,  G02B7/02 ,  H04N5/225 ,  H04N5/232

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.

公开(公告)号：US20250093615A1

公开(公告)日：2025-03-20

申请号：US18969019

申请日：2024-12-04

Applicant: LARGAN DIGITAL CO.,LTD.

Inventor： Heng Yi SU ,  Ming-Ta CHOU ,  Te-Sheng TSENG

IPC: G02B7/08 ,  G02B27/64 ,  G03B5/00 ,  H04N23/68

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.

公开(公告)号：US20240323511A1

公开(公告)日：2024-09-26

申请号：US18676167

申请日：2024-05-28

Applicant: LARGAN DIGITAL CO.,LTD.

Inventor： Lin An CHANG ,  Te-Sheng TSENG ,  Ming-Ta CHOU

IPC: H04N23/57 ,  G02B5/00 ,  G02B7/04 ,  H02K41/035

CPC classification number: H04N23/57 ,  G02B5/003 ,  G02B7/04 ,  H02K41/0354

Abstract: A camera module includes a fixed base, a carrier, an elastic element, an imaging lens, a coil, a magnetic element, a connection wire and a light-blocking coating. The carrier is disposed opposite to the fixed base and has a bobbin. The elastic element is connected to the fixed base and the carrier so as to provide freedom of movement of the carrier with respect to the fixed base. The imaging lens is disposed on the carrier and has an optical axis. The coil is disposed on the carrier. The magnetic element is disposed corresponding to the coil so as to provide a driving force for moving the carrier. The connection wire is disposed on the bobbin and electrically connected to the elastic element and the coil, and the connection wire has at least part facing towards the optical axis where the light-blocking coating is disposed.

公开(公告)号：US20240118589A1

公开(公告)日：2024-04-11

申请号：US18542821

申请日：2023-12-18

Applicant: LARGAN DIGITAL CO., LTD.

Inventor： Te-Sheng TSENG ,  Ming-Ta CHOU ,  Wen-Hung HSU

IPC: G03B13/36 ,  G02B13/00 ,  G03B17/17

CPC classification number: G03B13/36 ,  G02B13/007 ,  G03B17/17

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.

公开(公告)号：US20230336860A1

公开(公告)日：2023-10-19

申请号：US17878862

申请日：2022-08-01

Applicant: LARGAN DIGITAL CO.,LTD.

Inventor： Lin An CHANG ,  Te-Sheng TSENG ,  Ming-Ta CHOU

IPC: H04N5/225 ,  H02K41/035 ,  G02B5/00 ,  G02B7/04

CPC classification number: H04N5/2257 ,  G02B5/003 ,  G02B7/04 ,  H02K41/0354

Abstract: A camera module includes a fixed base, a carrier, an elastic element, an imaging lens, a coil, a magnetic element, a connection wire and a light-blocking coating. The carrier is disposed opposite to the fixed base and has a bobbin. The elastic element is connected to the fixed base and the carrier so as to provide freedom of movement of the carrier with respect to the fixed base. The imaging lens is disposed on the carrier and has an optical axis. The coil is disposed on the carrier. The magnetic element is disposed corresponding to the coil so as to provide a driving force for moving the carrier. The connection wire is disposed on the bobbin and electrically connected to the elastic element and the coil, and the connection wire has at least part facing towards the optical axis where the light-blocking coating is disposed.

公开(公告)号：US20230244057A1

公开(公告)日：2023-08-03

申请号：US18132920

申请日：2023-04-10

Applicant: LARGAN DIGITAL CO.,LTD.

Inventor： Heng Yi SU ,  Ming-Ta CHOU ,  Te-Sheng TSENG

IPC: G02B7/08 ,  G02B27/64 ,  G03B5/00 ,  H04N23/68

CPC classification number: G02B7/08 ,  G02B27/646 ,  G03B5/00 ,  H04N23/6812 ,  G03B2205/0069 ,  G03B2205/0015 ,  G03B2217/005

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.

公开(公告)号：US20220413364A1

公开(公告)日：2022-12-29

申请号：US17823564

申请日：2022-08-31

Applicant: LARGAN DIGITAL CO., LTD.

Inventor： Te-Sheng TSENG ,  Ming-Ta CHOU ,  Wen-Hung HSU

IPC: G03B13/36 ,  G02B13/00 ,  G03B17/17

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.

公开(公告)号：US20220394159A1

公开(公告)日：2022-12-08

申请号：US17461774

申请日：2021-08-30

Applicant: LARGAN DIGITAL CO.,LTD.

Inventor： Lin An CHANG ,  Ming-Ta CHOU ,  Te-Sheng TSENG

IPC: H04N5/225 ,  G02B13/00 ,  G02B9/04

Abstract: A camera module includes a fixed component, an optical folding component, a first imaging unit, a second imaging unit, and a driving device. The optical folding component is disposed on the fixed component. The optical folding component has a reflection surface disposed at an image side of an optical curved surface. The first imaging unit is disposed at an image side of the optical folding component. The second imaging unit is disposed between the optical folding component and the first imaging unit. The driving device move the first lens carrier with respect to the fixed component. The optical curved surface is an object-side surface of the optical folding component. The optical folding component has positive refractive power through the optical curved surface.

公开(公告)号：US20220303438A1

公开(公告)日：2022-09-22

申请号：US17398348

申请日：2021-08-10

Applicant: LARGAN DIGITAL CO.,LTD.

Inventor： Te-Sheng TSENG ,  Heng Yi SU ,  Ming-Ta CHOU ,  Wen-Hung HSU

IPC: H04N5/225 ,  G02B7/09

Abstract: An imaging lens driving module includes a lens carrier, a frame element, a driving mechanism and a metal conductive element. The lens carrier is disposed in the frame element. The driving mechanism includes a metal elastic element, a coil and a magnet assembly. The metal elastic element includes an outer fixing part coupled to the frame element, an inner fixing part coupled to the lens carrier, and an elastic part. The coil is fixed to the lens carrier and disposed corresponding to the magnet assembly. The metal conductive element is coupled to the lens carrier. The metal elastic element further includes an electrically connecting part and a compensating elastic part. The metal conductive element has a corresponsive surface corresponding to and electrically connected to the electrically connecting part. The compensating elastic part is connected to the electrically connecting part and the inner fixing part.