公开(公告)号：US20180356646A1

公开(公告)日：2018-12-13

申请号：US15994056

申请日：2018-05-31

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang HU ,  Cheng-Kai YU

IPC: G02B27/64 ,  G02B7/10 ,  G02B7/09 ,  G03B13/36

CPC classification number: G02B27/646 ,  G02B7/09 ,  G02B7/10 ,  G03B13/36

Abstract: An optical system is provided and includes a fixed module, a movable module, a driving coil, a sensing unit and a driving assembly. The fixed module includes an outer frame, and the movable module includes an optical member holder, configured to hold an optical member. The sensing unit is configured to obtain information related to a first rotation angle of the optical member holder when rotating around a first axis relative to the outer frame and a second rotation angle of the optical member holder when rotating around a second axis relative to the outer frame. The driving assembly is for driving the optical member holder to rotate around the first axis or the second axis according to the information related to the first rotation angle and the second rotation angle. The first axis or the second axis is perpendicular to an optical axis of the optical member.

公开(公告)号：US20180356610A1

公开(公告)日：2018-12-13

申请号：US16007315

申请日：2018-06-13

Applicant: TDK TAIWAN CORP.

Inventor： Shu-Shan CHEN ,  Cheng-Kai YU ,  Chao-Chang HU

IPC: G02B7/09 ,  G02B27/64 ,  G02B7/10

CPC classification number: G02B7/09 ,  G02B7/08 ,  G02B7/102 ,  G02B27/646

Abstract: An optical system is provided and includes a fixed module, a movable module, a driving coil, an electrical circuit and a magnetic element. The fixed module includes a base and a circuit board, and the movable module includes an optical member holder, configured to hold an optical member. The magnetic element corresponds to the driving coil and is configured to generate an electromagnetic driving force to drive the optical member holder to move relative to the base. The driving coil and the electrical circuit are integrally formed in the circuit board. The driving coil partially overlaps the electrical circuit when viewed along a direction perpendicular to an optical axis of the optical member.

公开(公告)号：US20180188476A1

公开(公告)日：2018-07-05

申请号：US15861228

申请日：2018-01-03

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang HU ,  Shu-Shan CHEN ,  Cheng-Kai YU

IPC: G02B13/00 ,  G02B7/04 ,  H04N5/225

CPC classification number: G02B13/001 ,  G02B7/04 ,  G02B7/08 ,  G02B13/0065 ,  G02B27/646 ,  H04N5/2254

Abstract: An optical mechanism is provided, The optical mechanism includes a fixed member, a movable member, an optical element, a first sensing magnet and a first sensing element, wherein the movable member is movably connected to the fixed member, and the optical element is disposed on the movable member. The first sensing magnet corresponds to the optical element and has a first magnetic polar direction. The first sensing element corresponds to the first sensing magnet for detecting the rotation of the first sensing magnet around a first axis relative to the fixed member, wherein the first axis is perpendicular to the first magnetic polar direction.

公开(公告)号：US20180120584A1

公开(公告)日：2018-05-03

申请号：US15787235

申请日：2017-10-18

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang HU ,  Che-Wei CHANG ,  Cheng-Kai YU

IPC: G02B27/64

CPC classification number: G02B27/646 ,  G03B5/00 ,  G03B17/17 ,  G03B2205/0023

Abstract: A driving mechanism is provided, including a fixed portion, a movable portion, and a driving module disposed therebetween. The driving module includes a first electromagnetic driving assembly and a second electromagnetic driving assembly. The first electromagnetic driving assembly has a first surface, and the second electromagnetic driving assembly has a second surface facing the first surface. The second surface is a curved surface. The driving module can drive the movable portion to rotate around a rotation axis relative to the fixed portion.

公开(公告)号：US20170329111A1

公开(公告)日：2017-11-16

申请号：US15589198

申请日：2017-05-08

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang HU ,  Chen-Hsien FAN ,  Cheng-Kai YU ,  Chih-Wei WENG ,  Shu-Shan CHEN

IPC: G02B13/02 ,  H04N5/225 ,  H02K33/12 ,  G02B7/09 ,  H02K11/21

CPC classification number: G02B13/02 ,  G02B7/09 ,  H02K11/21 ,  H02K41/0356 ,  H04N5/2254 ,  H04N5/2258 ,  H04N5/23296 ,  H04N5/247

Abstract: A camera system including a telephoto lens module is provided. The telephoto lens module includes a first image sensor, a first assembly, and a second assembly. The first assembly includes a first driving mechanism and a reflecting member connected to the first driving mechanism. The first driving mechanism is configured to drive the reflecting member to rotate around a first axis and a second axis. The second assembly is disposed between the first assembly and the first image sensor, including a second driving mechanism and a first lens. The second driving mechanism is configured to drive the first lens to move along a third axis. The first, second, and third axes are not parallel to each other. When light enters the telephoto lens along the first axis, light is reflected by the reflecting member and through the first lens along the third axis to the first image sensor.

公开(公告)号：US20170285363A1

公开(公告)日：2017-10-05

申请号：US15465117

申请日：2017-03-21

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang HU ,  Shu-Shan CHEN ,  Cheng-Kai YU ,  Che-Wei CHANG ,  Chih-Wei WENG

IPC: G02B27/64 ,  H02K41/035

CPC classification number: G02B27/646 ,  G02B7/09 ,  H02K41/0356

Abstract: A lens driving device includes a base and a frame movably connected to the base. A holder carries a lens and is movably disposed in the frame. A focus driving unit includes at least one first coil disposed on the holder and at least one first magnetic element disposed on the frame and corresponding to the first coil. Electromagnetic induction occurs between the first coil and the first magnetic element, so that the holder is moved along an optical axis of the lens with respect to the base. A tilt driving unit includes several first electromagnetic driving parts disposed on opposite sides of the holder and several second electromagnetic driving parts disposed on the frame and corresponding to the first electromagnetic driving parts. Electromagnetic induction occurs between the first and second electromagnetic driving parts, so that the holder is tilted with respect to the base.

公开(公告)号：US20220229348A1

公开(公告)日：2022-07-21

申请号：US17714705

申请日：2022-04-06

Applicant: TDK TAIWAN CORP.

Inventor： Cheng-Kai YU ,  Chen-Hsien FAN ,  Chao-Chang HU ,  Shu-Shan CHEN ,  Chih-Wei WENG

IPC: G03B13/36 ,  G02B7/04 ,  G02B7/08

Abstract: An optical element driving mechanism includes a movable portion, a fixed portion and a driving assembly. The movable portion is configured to connect an optical element having an optical axis. The fixed portion includes a base with a plate structure, wherein the movable portion is movable relative to the fixed portion. The driving assembly is configured to drive the movable portion to move relative to the base. A thickness direction of the base is perpendicular to the optical axis, the base has a recessed structure, and when viewed from the thickness direction of the base, the recessed structure is overlapped with the optical axis.

公开(公告)号：US20200348488A1

公开(公告)日：2020-11-05

申请号：US16933165

申请日：2020-07-20

Applicant: TDK TAIWAN CORP.

Inventor： Liang-Ting HO ,  Cheng-Kai YU ,  Chao-Chang HU ,  Chih-Wei WENG ,  Che-Wei CHANG

IPC: G02B7/18 ,  G03B5/00 ,  H02K7/06 ,  G02B27/64 ,  H02K41/035 ,  G02B7/00 ,  G02B13/00

Abstract: A driving mechanism for supporting an optical member is provided, including a fixed module, a movable module, a driving module disposed therebetween, and an elastic member. The driving module can drive the movable module to rotate around a first rotation axis relative to the fixed module. The elastic member includes a first connecting portion connected to the movable module, a second connecting portion connected to the fixed module, a first string portion connected to the first connecting portion, and a first buffer portion connected to the first string portion. The first string portion is disposed on the first rotation axis. The longitudinal axis of the first string portion is parallel to the first rotation axis. The first buffer portion has wave-shaped structure.

公开(公告)号：US20200209713A1

公开(公告)日：2020-07-02

申请号：US16814208

申请日：2020-03-10

Applicant: TDK TAIWAN CORP.

Inventor： Cheng-Kai YU ,  Chen-Hsien FAN ,  Chao-Chang HU ,  Shu-Shan CHEN ,  Chih-Wei WENG

IPC: G03B13/36 ,  G02B7/04 ,  G02B7/08

Abstract: An optical member driving mechanism includes a movable portion, a fixed portion, a driving assembly, and a guiding assembly. The movable portion is configured to connect an optical lens, which has an optical axis. The fixed portion includes a base, wherein the base has a base surface. The movable portion is movable relative to the fixed portion, and the base surface faces the movable portion and is parallel to the optical axis. The driving assembly is configured to force the movable portion to move relative to the fixed portion. The movable portion is movable relative to the fixed portion via the guiding assembly. When viewed in a first direction that is perpendicular to the base surface, the optical axis does not overlap the driving assembly, and the optical axis does not overlap the guiding assembly.

公开(公告)号：US20190339495A1

公开(公告)日：2019-11-07

申请号：US16512813

申请日：2019-07-16

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang HU ,  Chen-Hsien FAN ,  Cheng-Kai YU ,  Chih-Wei WENG ,  Shu-Shan CHEN

IPC: G02B13/02 ,  G02B7/09 ,  H04N5/232 ,  H04N5/247 ,  H04N5/225 ,  H02K41/035 ,  H02K11/21

Abstract: A camera system including a telephoto lens module is provided. The telephoto lens module includes a first image sensor, a first assembly, and a second assembly. The first assembly includes a first driving mechanism and a reflecting member connected to the first driving mechanism. The first driving mechanism is configured to drive the reflecting member to rotate around a first axis and a second axis. The second assembly is disposed between the first assembly and the first image sensor, including a second driving mechanism and a first lens. The second driving mechanism is configured to drive the first lens to move along a third axis. The first, second, and third axes are not parallel to each other. When light enters the telephoto lens along the first axis, light is reflected by the reflecting member and through the first lens along the third axis to the first image sensor.