公开(公告)号：US20180234004A1

公开(公告)日：2018-08-16

申请号：US15895498

申请日：2018-02-13

Applicant: TDK TAIWAN CORP.

Inventor： Ichitai MOTO ,  Shih-Ting HUANG ,  Haruo TAGUCHI ,  Sin-Jhong SONG

IPC: H02K41/035 ,  H02K11/215 ,  G02B7/09 ,  G02B27/64

CPC classification number: H02K41/0356 ,  G02B7/08 ,  G02B7/09 ,  G02B27/646 ,  H02K11/215 ,  H02K2213/03

Abstract: A driving mechanism for driving an optical element is provided, including a holder unit, a base unit, and a magnetic element. The holder unit is used to hold the optical element, and the base unit includes a metal substrate and a circuit structure formed on the metal substrate, wherein the circuit structure includes a driving coil. The magnetic element is disposed on the holder unit and corresponds to the driving coil for driving the optical element to move relative to the base unit.

公开(公告)号：US20230341654A1

公开(公告)日：2023-10-26

申请号：US18344154

申请日：2023-06-29

Applicant: TDK TAIWAN CORP.

Inventor： Chan-Jung HSU ,  I-Mei HUANG ,  Yi-Ho CHEN ,  Shao-Chung CHANG ,  Ichitai MOTO ,  Chen-Chi KUO ,  Ying-Jen WANG ,  Ya-Hsiu WU ,  Wei-Jhe SHEN ,  Chao-Chang HU ,  Che-Wei CHANG ,  Sin-Jhong SONG ,  Shu-Shan CHEN ,  Chih-Wei WENG ,  Chao-Hsi WANG

IPC: G02B7/09 ,  G02B27/64

CPC classification number: G02B7/09 ,  G02B27/646

Abstract: An optical system includes an optical module with a main axis is provided. The optical module includes a fixed portion, a movable portion, and a driving mechanism. The movable portion is connected to an optical element and is movable relative to the fixed portion. The driving mechanism drives the movable portion to move relative to the fixed portion. When viewed along a direction that is parallel with the main axis, the fixed portion is a polygonal structure with a first side, a second side, a third side, and a fourth side. The first side is parallel with the third side, the second side is parallel with the fourth side, and the first side is not parallel with the second side.

公开(公告)号：US20200033552A1

公开(公告)日：2020-01-30

申请号：US16522015

申请日：2019-07-25

Applicant: TDK TAIWAN CORP.

Inventor： Fu-Yuan WU ,  Shang-Yu HSU ,  Yu-Cheng LIN ,  Yung-Ping YANG ,  Wen-Yen HUANG ,  Tsung-Han WU ,  Yi-Chun CHENG ,  Chen-Chi KUO ,  Chia-Hsiu LIU ,  Ichitai MOTO ,  Sin-Jhong SONG

IPC: G02B7/09 ,  G02B27/64 ,  G02B13/00 ,  G03B5/00 ,  G03B13/36 ,  G02B7/02 ,  H04N5/225 ,  H04N5/232

Abstract: An optical module is provided, including a movable portion, a fixed portion and a driving assembly. The movable portion is used to hold an optical element having an optical axis. The movable portion is movably connected to the fixed portion. The driving assembly disposed in the fixed portion to drive the movable portion to move along the optical axis relative to the fixed portion. The driving assembly includes a first magnetic element and a second magnetic element. The first magnetic element and the second magnetic element are aligned along the optical axis. The size of the first magnetic element and the size of the second magnetic element along the optical axis are different.

公开(公告)号：US20190204530A1

公开(公告)日：2019-07-04

申请号：US16291026

申请日：2019-03-04

Applicant: TDK TAIWAN CORP.

Inventor： Shih-Ting HUANG ,  Yu-Huai LIAO ,  Yi-Liang CHAN ,  Ichitai MOTO

IPC: G02B7/04 ,  G03B5/00 ,  H01H50/02 ,  G03B3/10 ,  H01F7/06 ,  H01F7/08

CPC classification number: G02B7/04 ,  G03B3/10 ,  G03B5/00 ,  G03B2205/0069 ,  H01F7/064 ,  H01F7/08 ,  H01F2007/062 ,  H01F2007/068 ,  H01H50/021 ,  H01H2219/066

Abstract: A lens driving module is provided and includes a movable member for holding a lens, a fixed member movably connected to the movable member and includes a bottom spaced apart from the movable member, a first electromagnetic component, and an adhesive material disposed on the bottom. The bottom includes a conductive layer formed in the bottom and electrically connected to the first electromagnetic component, a position sensor electrically connected to the conductive layer, and a terminal electrically connected to the conductive layer and exposed by and partially embedded in the bottom, wherein a distance between an upper surface of the bottom and the movable member is less than a distance between the adhesive material and the movable member, a recess is formed on the upper surface, and the position sensor is disposed in the recess.

公开(公告)号：US20190121157A1

公开(公告)日：2019-04-25

申请号：US16129041

申请日：2018-09-12

Applicant: TDK TAIWAN CORP.

Inventor： Yi-Liang CHAN ,  Fu-Yuan WU ,  Chin-Ming HU ,  Ichitai MOTO ,  Sin-Jhong SONG

IPC: G02B27/64 ,  G03B5/04 ,  G02B7/02 ,  H02K41/035 ,  G01D5/14

Abstract: A lens driving module is provided, configured to drive an optical element, including a holder, a circuit board assembly, a base module, and a magnetic element. The optical element is disposed in the holder, and the circuit board assembly has a driving coil. The base module has a metal substrate, an insulating layer, a circuit layer electrically connected with the driving coil, and a protective layer. The metal substrate has a bent portion where an opening is formed on. A wire of the circuit layer extends across the opening and forms a bridging portion. The protective layer has a protruding portion extending over the opening and covers the bridging portion. The magnetic element is coupled to the driving coil, and the two are configured to drive the optical element to move relative to the base module.

公开(公告)号：US20180335600A1

公开(公告)日：2018-11-22

申请号：US15966377

申请日：2018-04-30

Applicant: TDK TAIWAN CORP.

Inventor： Ichitai MOTO ,  Chih-Wei WENG ,  Sin-Jhong SONG

IPC: G02B7/02 ,  G02B7/10 ,  G02B27/64 ,  H02N2/02

CPC classification number: G02B7/023 ,  G02B7/021 ,  G02B7/08 ,  G02B7/10 ,  G02B27/646 ,  H02N2/0055 ,  H02N2/025

Abstract: An optical driving mechanism is provided, configured to force an optical element, including a base, a movable portion, and a driving portion. The movable portion is disposed and connected to the base. The movable portion includes a holder configured to sustain the optical element, a magnetic element, and a fixing member. The magnetic element and the fixing member are affixed to the holder, wherein the fixing member has a permeable material. The driving portion is configured to force the movable portion to move relative to the base, wherein the driving portion includes a piezoelectric element and a support member connecting thereto. The piezoelectric element and the support member are disposed on the base and connected to the movable portion. The fixing member makes contact with the support member via a magnetic attraction force between the magnetic element and the fixing member.

公开(公告)号：US20210223504A1

公开(公告)日：2021-07-22

申请号：US17155964

申请日：2021-01-22

Applicant: TDK TAIWAN CORP.

Inventor： Chan-Jung HSU ,  I-Mei HUANG ,  Yi-Ho CHEN ,  Shao-Chung CHANG ,  Ichitai MOTO ,  Chen-Chi KUO ,  Ying-Jen WANG ,  Ya-Hsiu WU ,  Wei-Jhe SHEN ,  Chao-Chang HU ,  Che-Wei CHANG ,  Sin-Jhong SONG ,  Shu-Shan CHEN ,  Chih-Wei WENG ,  Chao-Hsi WANG

IPC: G02B7/09 ,  G02B27/64

Abstract: An optical system is provided. The optical system includes an immovable part, a second movable part, a second drive mechanism, and a second circuit mechanism. The second movable part is used for connecting to a second optical element. The second movable part is movable relative to the immovable part. The second drive mechanism is used for driving the second movable part to move relative to the immovable part. The second circuit mechanism is electrically connected to the second drive mechanism.

公开(公告)号：US20200225505A1

公开(公告)日：2020-07-16

申请号：US16829211

申请日：2020-03-25

Applicant: TDK TAIWAN CORP.

Inventor： Yi-Liang CHAN ,  Fu-Yuan WU ,  Chin-Ming HU ,  Ichitai MOTO ,  Sin-Jhong SONG

IPC: G02B27/64 ,  G03B5/04 ,  G02B7/02 ,  H02K41/035 ,  G01D5/14 ,  G02B7/08

Abstract: A lens driving module is provided, configured to drive an optical element, including a holder, a circuit board assembly, a base module, and a magnetic element. The optical element is disposed in the holder, and the circuit board assembly has a driving coil. The base module has a metal substrate, an insulating layer, a circuit layer electrically connected with the driving coil, and a protective layer. The metal substrate has a bent portion where an opening is formed on. A wire of the circuit layer extends across the opening and forms a bridging portion. The protective layer has a protruding portion extending over the opening and covers the bridging portion. The magnetic element is coupled to the driving coil, and the two are configured to drive the optical element to move relative to the base module.

公开(公告)号：US20200166727A1

公开(公告)日：2020-05-28

申请号：US16775422

申请日：2020-01-29

Applicant: TDK TAIWAN CORP.

Inventor： Ichitai MOTO ,  Chih-Wei WENG ,  Sin-Jhong SONG

IPC: G02B7/02 ,  H02N2/02 ,  G02B27/64 ,  G02B7/10 ,  G02B7/08 ,  H02N2/00

Abstract: An optical driving mechanism is provided, configured to force an optical element, including a base, a movable portion, and a driving portion. The movable portion is disposed and connected to the base. The movable portion includes a holder configured to sustain the optical element, a magnetic element, and a fixing member. The magnetic element and the fixing member are affixed to the holder, wherein the fixing member has a permeable material. The driving portion is configured to force the movable portion to move relative to the base, wherein the driving portion includes a piezoelectric element and a support member connecting thereto. The piezoelectric element and the support member are disposed on the base and connected to the movable portion. The fixing member makes contact with the support member via a magnetic attraction force between the magnetic element and the fixing member.

公开(公告)号：US20200033626A1

公开(公告)日：2020-01-30

申请号：US16521987

申请日：2019-07-25

Applicant: TDK TAIWAN CORP.

Inventor： Fu-Yuan WU ,  Shang-Yu HSU ,  Yu-Cheng LIN ,  Yung-Ping YANG ,  Wen-Yen HUANG ,  Tsung-Han WU ,  Yi-Chun CHENG ,  Chen-Chi KUO ,  Chia-Hsiu LIU ,  Ichitai MOTO ,  Sin-Jhong SONG

IPC: G02B27/64 ,  G02B7/09 ,  G02B13/00 ,  G03B5/00 ,  G03B13/36 ,  G02B7/02 ,  H04N5/225 ,  H04N5/232 ,  H05K1/18

Abstract: An optical module includes a first side and a second side, and includes a movable portion, a fixed portion, a driving portion, a position-sensing portion, and a circuit board. The movable portion includes a holder for holding an optical element with an optical axis. The fixed portion includes a base and a circuit component, wherein the circuit component has an external electrical connection portion, and the movable portion is movably connected to the fixed portion. The driving portion is configured to drive the movable portion to move relative to the fixed portion. The position-sensing portion includes a position-sensing element, and the position-sensing element is configured to sense the position of the movable portion relative to the fixed portion. The circuit board is electrically connected to the position-sensing component, and the position-sensing element is disposed on the circuit board; wherein the circuit board is disposed on the first side, and the external electrical connection portion is disposed on the second side.