公开(公告)号：US20200088970A1

公开(公告)日：2020-03-19

申请号：US16690968

申请日：2019-11-21

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang HU ,  Chen-Hsien FAN

IPC: G02B7/04 ,  G03B17/12 ,  G02B26/08 ,  G03B3/10 ,  G02B7/08 ,  G02B7/02 ,  G02B13/00

Abstract: A camera device is provided, including a first lens unit, a second lens unit, a frame, a base, a plurality of suspension wires, and an electromagnetic driving mechanism. The frame surrounds the first lens unit and the second lens unit. The suspension wires are connected to the base and the frame. The electromagnetic driving mechanism can drive the frame to move along a first direction relative to the base.

公开(公告)号：US20190271855A1

公开(公告)日：2019-09-05

申请号：US16416639

申请日：2019-05-20

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang HU ,  Chen-Hsien FAN ,  Yi-Liang CHAN

IPC: G02B27/64

Abstract: A lens driving mechanism is provided. The lens driving mechanism is configured to drive an optical lens, including a holder, a base, a first elastic element, and a first biasing element. The optical lens is disposed in a receiving space of the holder. The base has a central axis, and the holder is movable relative to the base. The first elastic element is connected to the holder and the base. The first biasing element exerts a force on the holder so that an optical axis of the optical lens has an angular displacement relative to the central axis.

公开(公告)号：US20190258136A1

公开(公告)日：2019-08-22

申请号：US16257506

申请日：2019-03-27

Applicant: TDK TAIWAN CORP.

Inventor： Shiang-Ming YU ,  Kuen-Wang TSAI ,  Chao-Chang HU ,  Chih-Wei WENG ,  Sin-Jhong SONG

IPC: G03B9/14

Abstract: The present invention relates to an optical element driving mechanism, including a base, a holder, a frame and a light intensity adjusting assembly. The holder is movably connected to the base and carries the optical element, wherein the optical element has an opening and an optical axis so that light passes through the opening to the optical element. The frame is connected to the holder and the base. The light intensity adjusting assembly is disposed on the frame. The light intensity adjusting assembly includes a first shutter, a second shutter and a shutter driving member. The second shutter is disposed between the first shutter and the frame. The shutter driving member is disposed between the second shutter and the frame to drive the first shutter and the second shutter.

公开(公告)号：US20190227408A1

公开(公告)日：2019-07-25

申请号：US16257555

申请日：2019-01-25

Applicant: TDK TAIWAN CORP.

Inventor： Chen-Hsien FAN ,  Chao-Chang HU ,  Sung-Mao TSAI ,  Liang-Ting HO ,  Chih-Wei WENG ,  Shiang-Ming YU ,  Kuen-Wang TSAI ,  Sin-Jhong SONG

IPC: G03B13/36 ,  G02B7/09 ,  G02B7/182 ,  G02B7/18 ,  G03B17/17

Abstract: An optical system is provided, including a first optical member driving mechanism, a second optical member driving mechanism, and a first fixing component. The first optical member driving mechanism includes a first fixed portion, a first movable portion, a plurality of elastic members, and a first driving module. Each of the elastic members is elastically connected to the first fixed portion and the first movable portion. The second optical member driving mechanism includes a second fixed portion, a second movable portion, and a second driving module. The second movable portion is movably connected to the second fixed portion. The second driving module can drive the second movable portion to rotate relative to the second fixed portion. The first fixing component affixes the first optical member driving mechanism to the second optical member driving mechanism.

公开(公告)号：US20190227253A1

公开(公告)日：2019-07-25

申请号：US16257394

申请日：2019-01-25

Applicant: TDK TAIWAN CORP.

Inventor： Chen-Hsien FAN ,  Chao-Chang HU

IPC: G02B7/02 ,  H04N5/225 ,  G02B7/09 ,  G02B27/64 ,  G03B13/36

Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, a plurality of first elastic elements, and a first driving assembly. The movable portion is movably connected to the fixed portion, and includes a holder to hold an optical element, wherein the optical element has an optical axis. The first elastic elements are elastically connected to the fixed portion and the movable portion. The first elastic elements extend in a first direction, and the first direction is perpendicular to the optical axis. The first driving assembly drives the movable portion to move relative to the fixed portion in a direction that is perpendicular to the first direction. The first driving assembly is electrically connected to the first elastic elements.

公开(公告)号：US20180332199A1

公开(公告)日：2018-11-15

申请号：US15977427

申请日：2018-05-11

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang HU ,  Chen-Hsien FAN

IPC: H04N5/225 ,  G02B7/10

CPC classification number: H04N5/2254 ,  G02B7/102 ,  G03B2205/0069

Abstract: An optical member driving mechanism for driving an optical member is provided, including a fixed portion, a movable portion, and a driving module. The movable portion can support the aforementioned optical member, and the driving module can drive the movable portion to rotate relative to the fixed portion around a rotating axis, wherein the rotating axis is different from the optical axis of the optical member. The driving module includes a first electromagnetic driving assembly and a second electromagnetic driving assembly, and the optical axis is disposed therebetween. The first electromagnetic driving assembly and the second electromagnetic driving assembly are disposed on a side of the movable portion, and are electrically independent.

公开(公告)号：US20180246344A1

公开(公告)日：2018-08-30

申请号：US15966315

申请日：2018-04-30

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang HU ,  Bing-Ru SONG

IPC: G02B27/64 ,  G02B7/09 ,  G03B5/00 ,  G02B7/00 ,  H04N5/232

CPC classification number: G02B27/646 ,  G02B7/001 ,  G02B7/09 ,  G03B5/00 ,  G03B5/02 ,  G03B29/00 ,  G03B37/00 ,  G03B2205/0015 ,  H04N5/23248 ,  H04N5/23287

Abstract: A dual-lens camera system is provided, including a first lens driving module and a second lens driving module each including a lens holder for receiving a lens, at least one magnetic element, and a driving board. The driving board has at least one driving coil for acting with the magnetic element to generate an electromagnetic force to move the lens holder along a direction that is perpendicular to the optical axis of the lens. On two adjacent sides parallel to each other of the first and second lens driving modules, the magnetic elements are arranged in different configurations.

公开(公告)号：US20180224628A1

公开(公告)日：2018-08-09

申请号：US15887724

申请日：2018-02-02

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang HU ,  Shu-Shan CHEN

IPC: G02B7/10 ,  G02B27/64 ,  G02B7/09 ,  G01D5/20

CPC classification number: G02B7/102 ,  G01D5/145 ,  G01D5/20 ,  G02B7/08 ,  G02B7/09 ,  G02B27/646

Abstract: The disclosure provides an optical system, including a fixed part, a movable part, a driving assembly and a sensing coil. The fixed part includes a base. The movable part includes an optical element holder for holding an optical element. The driving assembly includes at least one first magnetic element and at least one second magnetic element. The second magnetic element corresponds to the first magnetic element and is configured to drive the optical element holder to move relative to the base. The sensing coil is configured to sense magnetic field variations in the first magnetic element, so as to obtain the distance between the optical element holder and the base.

公开(公告)号：US20180136438A1

公开(公告)日：2018-05-17

申请号：US15816020

申请日：2017-11-17

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 ,  G02B27/64 ,  H02K7/06

CPC classification number: G02B7/1805 ,  G02B7/005 ,  G02B13/001 ,  G02B27/64 ,  G02B27/646 ,  G03B5/00 ,  G03B2205/003 ,  G03B2205/0069 ,  H02K7/06 ,  H02K41/0356 ,  H02K2201/18

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：US20180120587A1

公开(公告)日：2018-05-03

申请号：US15855130

申请日：2017-12-27

Applicant: TDK TAIWAN CORP.

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

IPC: G02B27/64 ,  G03B5/02 ,  G02B7/10

CPC classification number: G02B27/646 ,  G02B7/10 ,  G03B3/10 ,  G03B5/02 ,  G03B2205/0015 ,  G03B2205/0069 ,  H04N5/23287

Abstract: The present invention discloses a lens driving apparatus with a closed-loop anti-shake structure, comprising: a lens holder comprising a coil; a frame comprising a plurality of magnets and receiving the lens holder; a driving circuit board disposed under the frame; a plurality of first set of elastic bodies configured such that the lens holder remains movable in a direction of a first axis with respect to the frame; a plurality of second set of elastic bodies configured such that the frame remains movable in a direction perpendicular to the first axis with respect to the driving circuit board; and a first optical module and a first optical reference respectively disposed at the driving circuit board and the lens holder, the first optical module sensing a relative movement of the first optical reference so as to sense a movement of the lens holder in the direction of the first axis.