# US 2025/0147267 A1 · Driving mechanism > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0147267 A1 - Document ID: US20250147267A1 - Status: Published application - Kind: A1 - Application number: 18/938,911 - Filed: 2024-11-06 - Published: 2025-05-08 - Earliest claimed: 2023-11-08 - Assignees: TDK Taiwan Corp. - Applicants: TDK Taiwan Corp. - Inventors: Kai-Po FAN; Kun-Shih LIN; Wei-Jhe SHEN; Chen-Hung CHAO; De Shiang CHEN; Sin-Jhong SONG - Web page: https://patentgrep.com/patent/US20250147267A1 ## CPC - G02B 7/08: adapted to co-operate with a remote control mechanism - G02B 27/646: {compensating for small deviations, e.g. due to vibration or shake (movement of one or more optical elements for control of motion blur in cameras, projectors or printers G03B2205/0007; image stabilisation in cameras peculiar to the presence or use of an electronic image sensor H04N23/68)} - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract A driving mechanism for moving an optical element is provided. The driving mechanism includes a fixed part, a movable part, and a driving assembly. The movable part is movably connected to the fixed part for holding the optical element. The driving assembly is configured for moving the movable part relative to the fixed part. ## Claims ### Claim 1 A driving mechanism for moving an optical element that has an optical axis, the driving mechanism comprising: a fixed part; a movable part, movably connected to the fixed part for holding the optical element; and a driving assembly, configured for moving the movable part relative to the fixed part. ### Claim 2 (depends on 1) The driving mechanism as claimed in claim 1, further comprising a quadrilateral upper resilient element, wherein the fixed part includes a housing and a base connected to each other, the upper resilient element connects the housing to the movable part, and a plurality of slots are formed at a corner of the upper resilient element. ### Claim 3 (depends on 2) The driving mechanism as claimed in claim 2, wherein the housing forms a depressed structure that is depressed toward the upper resilient element and connected to the slots of the upper resilient element. ### Claim 4 (depends on 1) The driving mechanism as claimed in claim 1, further comprising an upper resilient element, wherein the fixed part includes a housing and a base connected to each other, and the upper resilient element connects the housing to the movable part, wherein the movable part forms a recess, and the upper resilient element forms an opening communicating with the recess. ### Claim 5 (depends on 4) The driving mechanism as claimed in claim 4, wherein the movable part further forms a protrusion located in the recess. ### Claim 6 (depends on 1) The driving mechanism as claimed in claim 1, further comprising a lower resilient element, wherein the fixed part includes a housing and a base connected to each other, and the lower resilient element connects the movable part to the base, wherein the lower resilient element forms a positioning hole, and the movable part forms a nub extending into the positioning hole. ### Claim 7 (depends on 1) The driving mechanism as claimed in claim 1, further comprising a lower resilient element, wherein the fixed part includes a housing and a base connected to each other, and the lower resilient element connects the movable part to the base, wherein the lower resilient element forms an opening, and the movable part forms a depression that communicates with the opening. ### Claim 8 (depends on 1) The driving mechanism as claimed in claim 1, further comprising a lower resilient element and a wire, wherein the fixed part includes a housing and a base connected to each other, and the lower resilient element connects the movable part to the base, wherein the driving assembly comprises a coil disposed on the movable part and a magnetic element disposed on the inner side of the housing, the movable part has a bobbin, the wire is connected between the coil and the bobbin, and the lower resilient element has a recessed portion close to the bobbin and electrically connected to the wire on the bobbin. ### Claim 9 (depends on 1) The driving mechanism as claimed in claim 1, further comprising a lower resilient element and a conductive member, wherein the fixed part includes a housing and a base connected to each other, and the lower resilient element connects the movable part to the base, wherein the conductive member is embedded in the base, and an end portion of the conductive member is exposed to a top side of the base for electrical connection to the lower resilient element. ### Claim 10 (depends on 9) The driving mechanism as claimed in claim 9, wherein the base has a quadrilateral shape, and the end portion of the conductive member is located at a corner of the base. ### Claim 11 (depends on 10) The driving mechanism as claimed in claim 10, wherein the lower resilient element forms an elongated through hole that has a long axis angled relative to a side of the base, and the through hole at least partially overlaps the end portion in a direction parallel to the optical axis. ### Claim 12 (depends on 1) The driving mechanism as claimed in claim 1, further comprising a circuit assembly, wherein the fixed part includes a housing and a base connected to each other, and the base has a rib portion, wherein the circuit assembly is affixed to the outer side of the rib portion. ### Claim 13 (depends on 12) The driving mechanism as claimed in claim 12, wherein the base further has a bottom surface, a left restricting surface, and a right restricting surface adjacent to the rib portion, and the circuit assembly abuts the bottom surface and one of the left and right restricting surfaces. ### Claim 14 (depends on 13) The driving mechanism as claimed in claim 13, wherein the circuit assembly comprises a circuit board. ### Claim 15 (depends on 14) The driving mechanism as claimed in claim 14, further comprising a magnet disposed on the movable part and a magnetic field sensor disposed on the circuit assembly for detecting the position of the magnet. ### Claim 16 (depends on 1) The driving mechanism as claimed in claim 1, further comprising a circuit assembly and a conductive member, wherein the fixed part includes a housing and a base connected to each other, the circuit assembly is disposed on the base, and the conductive member is embedded in the base and electrically connected to the circuit assembly. ### Claim 17 (depends on 16) The driving mechanism as claimed in claim 16, wherein an end of the conductive member forms an L-shaped structure. ### Claim 18 (depends on 17) The driving mechanism as claimed in claim 17, wherein the conductive member is embedded in the base by insert molding. ### Claim 19 (depends on 18) The driving mechanism as claimed in claim 18, wherein the base has a rib portion, and the circuit assembly is affixed to the outer side of the rib portion, wherein a groove and a sloped surface are formed on the inner side of the rib portion, and the sloped surface is located in the groove and adjacent to a corner of the L-shaped structure. ### Claim 20 (depends on 1) The driving mechanism as claimed in claim 1, wherein the movable part has a quadrilateral shape, and a cavity is formed on the top side of the movable part and located close to a corner of the movable part.