公开(公告)号：US12174444B2

公开(公告)日：2024-12-24

申请号：US17939739

申请日：2022-09-07

Applicant: TDK TAIWAN CORP.

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

IPC: G02B7/00 ,  G02B7/02 ,  G02B7/04 ,  G02B27/64 ,  G03B3/10 ,  G03B5/00 ,  G03B13/36 ,  H02N2/10 ,  H02N2/14 ,  H04N23/60

Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, a first driving assembly, and a positioning element. The movable portion is movably disposed on the fixed portion and comprising an optical element. The optical element moves in a first direction. The first driving assembly is at least partially disposed on the fixed portion. The positioning element is rotatably disposed on the fixed portion or the movable portion. When the first driving assembly is not activated, the positioning element is used to limit the position of the movable portion relative to the fixed portion to a limit position, and the positioning element comprises a main body and a limiting portion extending from the main body in a second direction that is perpendicular to the first direction. The limiting portion passes through the optical element.

公开(公告)号：US12001074B2

公开(公告)日：2024-06-04

申请号：US17067030

申请日：2020-10-09

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Chih-Wei Weng ,  Chao-Hsi Wang ,  Kuen-Wang Tsai

IPC: G02B7/00 ,  G02B5/00

CPC classification number: G02B7/00 ,  G02B5/005

Abstract: An optical element driving mechanism has an optical axis, and includes a fixed portion, a movable element, a plurality of blades, and a driving assembly. The fixed portion has an opening. The movable element is movable relative to the fixed portion. The blades are connected to the movable element. The driving assembly drives the movable element to move relative to the fixed portion. The driving assembly drives the movable element to change an overlap area of the blade and the opening.

公开(公告)号：US11914116B2

公开(公告)日：2024-02-27

申请号：US17370339

申请日：2021-07-08

Applicant: TDK TAIWAN CORP.

Inventor： Chih-Wei Weng ,  Chao-Chang Hu

IPC: G02B13/00 ,  G02B3/14 ,  G02B7/18 ,  G02B27/64

CPC classification number: G02B13/0065 ,  G02B3/14 ,  G02B7/1805 ,  G02B27/646

Abstract: An optical system for receiving rays of light is provided in the present disclosure, including a first optical module. The first optical module includes a first optical element and a first optical path-adjusting element. The first optical element has a first optical axis. The rays of light pass through the first optical element in a first direction. The first optical path-adjusting element corresponds to the first optical element. The rays of light are redirected to a second direction by the first optical path-adjusting element. The first optical element and the first optical path-adjusting element are arranged along the first optical axis.

公开(公告)号：US11888374B2

公开(公告)日：2024-01-30

申请号：US16892819

申请日：2020-06-04

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Chen-Hsien Fan ,  Shang-Hung Chen ,  He-Ling Chang ,  Chih-Wei Weng

IPC: G02B27/64 ,  H04N23/68 ,  G02B7/04 ,  H02K41/035 ,  H02K11/215 ,  H02N2/04 ,  H02N2/06

CPC classification number: H02K41/0356 ,  G02B27/64 ,  H02K11/215 ,  H02N2/043 ,  H02N2/062 ,  H04N23/68 ,  G02B7/04 ,  G02B27/646

Abstract: An optical element driving mechanism is provided, including a movable portion, a fixed portion, a driving assembly, and an assisting assembly. The movable portion is used for connecting to an optical element having a main axis. The movable portion is movable relative to the fixed portion. The driving assembly is disposed on the movable portion or the fixed portion for driving the movable portion to move relative to the fixed portion. The movable portion is movably connected to the fixed portion through the assisting assembly.

公开(公告)号：US11880090B2

公开(公告)日：2024-01-23

申请号：US17722657

申请日：2022-04-18

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Chen-Hsien Fan ,  Che-Wei Chang ,  Chih-Wei Weng ,  Chia-Che Wu ,  Mao-Gen Jian ,  Chien-Yu Kao ,  Sung-Mao Tsai

IPC: G02B7/28 ,  G03B5/02 ,  G02B27/64

CPC classification number: G02B7/282 ,  G03B5/02 ,  G02B27/64 ,  G03B2205/0069

Abstract: An optical element driving mechanism is provided, including a movable part for connecting an optical element; a fixed part, wherein the movable part can move relative to the fixed part; a driving assembly for driving the movable part to move relative to the fixed part; and a supporting assembly, wherein the movable part can move relative to the fixed part in multiple dimensions via the supporting assembly.

公开(公告)号：US11567291B2

公开(公告)日：2023-01-31

申请号：US16729127

申请日：2019-12-27

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang Hu ,  Che-Wei Chang ,  Chih-Wen Chiang ,  Chen-Er Hsu ,  Fu-Yuan Wu ,  Shou-Jen Liu ,  Chih-Wei Weng ,  Mao-Kuo Hsu ,  Hsueh-Ju Lu ,  Che-Hsiang Chiu

IPC: G02B7/09 ,  G02B3/12 ,  G02B26/00 ,  G02B27/64 ,  G03B13/36 ,  G03B5/00 ,  G02B7/182 ,  G02B7/02 ,  H04N5/225 ,  H04N5/232 ,  G03B5/02 ,  G03B3/10

Abstract: An optical system is provided and includes a fixed assembly, a movable element, a movable assembly, a driving module and a stopping assembly. The fixed assembly defines a main axis. The movable element is movable relative to the fixed assembly and is connected to a first optical element. The movable assembly is connected to the movable element. The driving module is configured to drive the movable assembly so as to drive the movable element to move relative to the fixed assembly. The stopping assembly is configured to limit the range of motion of the movable element.

公开(公告)号：US11467364B2

公开(公告)日：2022-10-11

申请号：US16898777

申请日：2020-06-11

Applicant: TDK TAIWAN CORP.

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

IPC: H02N2/10 ,  H02N2/14 ,  G02B7/00 ,  G02B7/02 ,  H04N5/232 ,  G02B7/04 ,  G02B27/64 ,  G03B5/00 ,  G03B13/36 ,  G03B3/10

Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, a first driving assembly, and a positioning element. The movable portion is movably disposed on the fixed portion and comprises an optical element, wherein the optical element moves in the first direction. The first driving assembly is at least partially disposed on the fixed portion. The positioning element is rotatably disposed on the fixed portion or the movable portion, wherein when the first driving assembly is not activated, the positioning element is used to limit the position of the movable portion relative to the fixed portion to a limit position.

公开(公告)号：US11320629B2

公开(公告)日：2022-05-03

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：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.