公开(公告)号：US11314102B2

公开(公告)日：2022-04-26

申请号：US16994170

申请日：2020-08-14

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Chen-Chi Kuo

IPC: G02B27/64 ,  G02B7/08 ,  G03B3/10 ,  G02B7/09 ,  G02B13/00 ,  G03B5/02 ,  G03B29/00 ,  G03B5/04 ,  G03B13/36 ,  H05K1/18 ,  H05K1/14

Abstract: A lens driving device is provided, including a base, a holder, a first driving mechanism disposed on the first side of the base, a second driving mechanism disposed on the second side of the base opposite the first side, and a conductive member disposed on the base. The holder is configured to sustain a lens. The first driving mechanism is configured to force the holder to move along the optical axis of the lens. The second driving mechanism includes a circuit board assembly and a shape memory alloy (SMA) wire assembly configured to force the base to move in the plane perpendicular to the optical axis. The conductive member and the circuit board assembly are connected at an electrical connection point, and the SMA wire assembly is closer to the light-incident end of the lens with respect to the electrical connection point.

公开(公告)号：US11300759B2

公开(公告)日：2022-04-12

申请号：US16743358

申请日：2020-01-15

Applicant: TDK TAIWAN CORP.

Inventor： Cheng-Kai Yu ,  Yi-Ho Chen ,  Chao-Chang Hu ,  Sin-Jhong Song

IPC: G02B27/64 ,  G02B7/10 ,  G02B7/08

Abstract: An optical member driving module is provided, including a moving mechanism, a base, a suspension wire, and an electromagnetic driving mechanism for driving the moving mechanism to move relative to the base. The moving mechanism includes an optical member holder, and the base has a first surface, a second surface, and an opening. The second surface faces the optical member holder and is opposite to the first surface. The opening extends from the first surface to the second surface. The suspension wire extends through the opening, and the opposite ends of the suspension wire are respectively affixed to the first surface and the moving mechanism.

公开(公告)号：US11287725B2

公开(公告)日：2022-03-29

申请号：US16860743

申请日：2020-04-28

Applicant: TDK TAIWAN CORP.

Inventor： Chih-Wei Weng ,  Chao-Chang Hu ,  Che-Wei Chang

IPC: G03B13/36 ,  G02B7/09 ,  H04N5/225 ,  G02B7/04 ,  G02B27/64 ,  G03B5/00 ,  H02K41/035 ,  G02B7/08 ,  G01P15/02 ,  G03B5/02 ,  H02K33/18

Abstract: An optical system is provided. The optical system includes an optical member driving mechanism and an image sensor. The optical member driving mechanism includes a movable portion, a fixed portion and a first driving assembly. The movable portion is configured to connect an optical member, and the optical member has an optical axis. The movable portion is movable relative to the fixed portion. The first driving assembly drives the movable portion to move relative to the fixed portion. The image sensor is disposed to correspond to the optical member, and the optical axis passes through the image sensor.

公开(公告)号：US11187965B2

公开(公告)日：2021-11-30

申请号：US16898763

申请日：2020-06-11

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Chao-Hsi Wang ,  Chih-Wei Weng ,  He-Ling Chang

IPC: G03B13/36 ,  H04N5/225 ,  G02B7/09 ,  G02B7/04 ,  G02B27/64 ,  G03B5/00 ,  H02K41/035 ,  G02B7/08 ,  G01P15/02 ,  G03B5/02 ,  H02K33/18

Abstract: An optical element driving mechanism is provided, including a fixed part, a movable part, a driving assembly, and a stopping assembly. The movable part is movably disposed on the fixed part, and the movable part is connected to a first optical element. The driving assembly is at least partially disposed on the fixed part. The stopping assembly is disposed between the movable part and the fixed part. The stopping assembly limits the range of motion of the movable part relative to the fixed part.

公开(公告)号：US11095819B2

公开(公告)日：2021-08-17

申请号：US16560167

申请日：2019-09-04

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Fu-Yuan Wu ,  Kuo-Chun Kao

IPC: H04N5/232 ,  G02B27/64 ,  H02K33/02 ,  G02B7/08 ,  G02B13/00

Abstract: A camera module is provided, including a frame, a holder, an image sensor, a plate, an electromagnetic driving assembly, and an elastic element. The frame connects the holder with the plate. The holder is configured to sustain an optical lens, and the image sensor is disposed on the plate. The elastic element connects the frame with the plate. The electromagnetic driving assembly is disposed on the frame and the plate, and is configured to drive the plate and the image sensor to move with respect to the frame and the holder.

公开(公告)号：US11076029B2

公开(公告)日：2021-07-27

申请号：US16672132

申请日：2019-11-01

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Shih-Ting Huang ,  Kuo-Chun Kao ,  Yi-Hsin Nieh

IPC: H04M1/02 ,  H04N5/225 ,  G02B7/10 ,  G02B27/00 ,  G02B27/64 ,  G02B7/08 ,  H02K41/035 ,  H02K41/02 ,  G02B13/00

Abstract: The disclosure provides an optical member driving mechanism including a movable portion, a fixed portion, a driving assembly and a circuit assembly. The movable portion is configured to connect an optical member with an optical axis. The fixed portion includes a base, 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 fixed portion. The circuit assembly is electrically connected to the driving assembly and includes a circuit element, wherein the optical axis passes through an opening of the base, and the circuit element at least partially extends to the opening.

公开(公告)号：US11036028B2

公开(公告)日：2021-06-15

申请号：US15977152

申请日：2018-05-11

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Che-Ju Lan ,  Hung-Chun Chen

IPC: G02B7/09 ,  G02B27/64 ,  H02K11/21 ,  H02K11/33 ,  H02K41/035 ,  G03B5/00 ,  G03B3/10 ,  G03B13/36

Abstract: A lens driving mechanism is provided, including a lens holder for holding a lens, a circuit board disposed at one side of the lens holder, a driving element, a position sensing element and an integrated circuit module. The position sensing element and the integrated circuit module are disposed on the circuit board, wherein the integrated circuit module includes a driving circuit unit electrically connected to the driving element, to move the lens holder relative to the circuit board.

公开(公告)号：US10989895B2

公开(公告)日：2021-04-27

申请号：US15949567

申请日：2018-04-10

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Chih-Wei Weng ,  Shao-Kuang Huang

IPC: G02B7/09 ,  G02B7/08 ,  G02B13/00 ,  G02B27/64 ,  G02B7/02

Abstract: A driving module is provided. The driving module includes a sensor module, a holder and at least three positioning components. The holder corresponds to the sensor module and is for holding an optical element. The positioning components are disposed between the sensor module and the holder.

公开(公告)号：US10890825B2

公开(公告)日：2021-01-12

申请号：US16257559

申请日：2019-01-25

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Chih-Wei Weng ,  Mao-Kuo Hsu

IPC: G03B9/14 ,  H04N5/225 ,  G03B9/06 ,  G03B13/36 ,  H04N5/235 ,  G02B27/64 ,  G02B13/00 ,  G02B7/182 ,  G02B7/08 ,  F03G7/06 ,  G02B7/09 ,  G03B5/00 ,  H02K41/035 ,  G02B7/02 ,  G02B7/10 ,  G06F1/16 ,  G02B3/14 ,  G02B26/00 ,  G02B27/00 ,  G02B26/08 ,  G03B17/17 ,  F21V8/00 ,  G02B27/09 ,  G09G5/00 ,  G02B7/18 ,  G06T7/521 ,  G06T7/00 ,  G06T15/08 ,  G03B5/04 ,  G02B5/00

Abstract: A camera system is provided and includes a lens module, a photosensitive module and a fixed frame. The lens module includes a first lens and a lens barrel. The lens barrel is for accommodating the first lens. The photosensitive module includes a photosensitive element and a base. The photosensitive element corresponds to the lens module, and the photosensitive element is disposed on the base. The lens module and the photosensitive module are disposed on the fixed frame, and the lens barrel is made of a material with a thermal expansion coefficient less than 50 (10−6/K @ 20° C.).

公开(公告)号：US10809487B2

公开(公告)日：2020-10-20

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: G02B7/02 ,  G02B7/09 ,  G02B7/10 ,  G02B27/64 ,  G02B7/08

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.