公开(公告)号：US20240069299A1

公开(公告)日：2024-02-29

申请号：US18505664

申请日：2023-11-09

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang HU ,  Kuen-Wang TSAI ,  Liang-Ting HO ,  Chao-Hsi WANG ,  Chih-Wei WENG ,  He-Ling CHANG ,  Che-Wei CHANG ,  Sheng-Zong CHEN ,  Ko-Lun CHAO ,  Min-Hsiu TSAI ,  Shu-Shan CHEN ,  Jungsuck RYOO ,  Mao-Kuo HSU ,  Guan-Yu SU

IPC: G02B7/00 ,  G02B7/02 ,  G02B7/18

CPC classification number: G02B7/003 ,  G02B7/023 ,  G02B7/1805

Abstract: An optical element driving mechanism includes a movable assembly, a fixed assembly, and a driving assembly. The movable assembly is configured to be connected to an optical element. The movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly in a range of motion. The optical element driving mechanism further includes a positioning assembly configured to position the movable assembly at a predetermined position relative to the fixed assembly when the driving assembly is not operating.

公开(公告)号：US20240061266A1

公开(公告)日：2024-02-22

申请号：US18452094

申请日：2023-08-18

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang HU ,  Chih-Wei WENG

IPC: G02B27/64 ,  G02B27/00 ,  G03B5/04

CPC classification number: G02B27/646 ,  G02B27/0093 ,  G03B5/04

Abstract: An optical system is provided, including a light source, a fixed portion, an optical assembly, and a driving assembly. The light source is used for generating light. The optical assembly has an equivalent focal length to the light. The optical assembly includes a first optical element and a second optical element. The driving assembly is used for driving the second optical element to move relative to the first optical element. When the second optical element is at a first position, the equivalent focal length is a first focal length. When the second optical element is at a second position, the equivalent focal length is a second focal length. The first focal length and the second focal length are different.

公开(公告)号：US20240027727A1

公开(公告)日：2024-01-25

申请号：US18481473

申请日：2023-10-05

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang HU ,  Chen-Hsien FAN ,  Chih-Wen CHIANG ,  Chien-Yu KAO

IPC: G02B7/10 ,  G03B5/02 ,  G02B7/02 ,  G02B7/09 ,  G02B27/64

CPC classification number: G02B7/10 ,  G03B5/02 ,  G02B7/025 ,  G02B7/09 ,  G02B27/646 ,  G03B2205/0069 ,  H02K41/0356

Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a first movable assembly and a first driving assembly. The first movable assembly is configured to connect a first optical element, and the first movable assembly is movable relative to the fixed assembly. The first driving assembly is configured to drive the first movable assembly to move relative to the fixed assembly in a first dimension.

公开(公告)号：US20240004266A1

公开(公告)日：2024-01-04

申请号：US18470045

申请日：2023-09-19

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

CPC classification number: G03B13/36 ,  G03B3/02 ,  G02B7/08 ,  G02B7/04

Abstract: An optical element driving mechanism includes a movable portion, a fixed portion, a driving assembly, a guiding assembly, and a metallic member. The movable portion is configured to connect an optical element. The optical element is configured to correspond to light reflected by a reflection element, and the reflection element is configured to change a traveling direction of the light from an incident direction to a first direction. The fixed portion includes a base, and 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 guiding assembly includes a plurality of guiding elements. The metallic member is disposed in the base. When viewed from the incident direction, the metallic member is at least partially located between the guiding elements.

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：US20230324766A1

公开(公告)日：2023-10-12

申请号：US18332889

申请日：2023-06-12

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Hsi WANG ,  Chao-Chang HU ,  Chih-Wei WENG ,  He-Ling CHANG

IPC: G03B9/36 ,  G02B7/02 ,  G03B5/00

CPC classification number: G03B9/36 ,  G02B7/023 ,  G03B5/00

Abstract: An optical element driving mechanism for corresponding to an optical module, the optical element driving mechanism including a fixed portion, a movable portion, and a first driving assembly. The fixed portion has an aperture. The movable portion is for connecting to an optical element and is movable relative to the fixed portion. The first driving assembly is for driving the movable portion to move relative to the fixed portion. The fixed portion has an elongated structure, and the fixed portion further comprises a first end. The fixed portion further comprising a second end, wherein the first end and the second end are arranged along a first direction. A shortest distance between the optical sensing element and the first end is shorter than a shortest distance between the optical sensing element and the second end.

公开(公告)号：US20230204829A1

公开(公告)日：2023-06-29

申请号：US18088086

申请日：2022-12-23

Applicant: TDK TAIWAN CORP.

Inventor： Hsiao-Hsin HU ,  Shu-Shan CHEN ,  Chao-Chang HU ,  Pai-Jui CHENG ,  Chieh-An CHANG

IPC: G02B5/00

CPC classification number: G02B5/005

Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed assembly, a movable part, and a driving assembly. The movable part is movable relative to the fixed assembly. The driving assembly is configured to drive the movable part to move relative to the fixed assembly. The optical element driving mechanism further includes a holding assembly, and the driving assembly drives the movable part to move relative to the fixed assembly by the holding assembly.

公开(公告)号：US20230171495A1

公开(公告)日：2023-06-01

申请号：US18160069

申请日：2023-01-26

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Chang HU ,  Chen-Hsien FAN ,  Sung-Mao TSAI ,  Yueh-Lin LEE ,  Yu-Chiao LO ,  Mao-Kuo HSU ,  Ching-Chieh HUAN ,  Yi-Chun CHENG

IPC: H04N23/68 ,  G03B13/36 ,  G03B5/02 ,  H04N23/57

CPC classification number: H04N23/685 ,  G03B13/36 ,  G03B5/02 ,  H04N23/57 ,  H04N23/687 ,  H04N23/6812 ,  G03B2205/0007

Abstract: A control method of a driving mechanism is provided, including: the driving mechanism provides a first electrical signal from a control assembly to the driving mechanism to move the movable portion into an initial position relative to the fixed portion, wherein the control assembly includes a control unit and a position sensing unit; the status signal of an inertia sensing unit is read; the control unit sends the status signal to the control unit to calculate a target position; the control unit provides a second electrical signal to the driving assembly according to the target position for driving the driving assembly; a position signal is sent from the position sensing unit to the control unit; the control unit provides a third electric signal to the driving assembly to drive the driving assembly according the position signal.

公开(公告)号：US20230127990A1

公开(公告)日：2023-04-27

申请号：US17970884

申请日：2022-10-21

Applicant: TDK TAIWAN CORP.

Inventor： Yi-Ho CHEN ,  Chao-Chang HU ,  Hsiao-Hsin HU

IPC: G02B7/02

Abstract: An optical element driving mechanism is provided, including a fixed part, a movable part, and a driving assembly. The fixed part includes a base. The base corresponds to an optical module. The movable part is connected to an optical element. The movable part is movable relative to the fixed part. The driving assembly drives the movable part to move relative to the fixed part. The base includes an accommodation portion, and the accommodation portion has a recessed structure.

公开(公告)号：US20230039912A1

公开(公告)日：2023-02-09

申请号：US17882867

申请日：2022-08-08

Applicant: TDK TAIWAN CORP.

Inventor： Chao-Hsi WANG ,  Xuan-Huan SU ,  Kuen-Wang TSAI ,  Chao-Chang HU

IPC: G03B9/40

Abstract: A driving mechanism for moving a flat optical element is provided. The driving mechanism includes a fixed part, a movable member, and a driving assembly. The movable member is movably disposed on the fixed part and connected to the optical element. The driving assembly is configured to impel the movable member and the optical element to move relative to the fixed part. The driving assembly has a coil disposed on the fixed part.