# US 12,761,524 B2 · Optical element driving mechanism > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,761,524 B2 - Document ID: US12761524B2 - Status: Granted - Kind: B2 - Application number: 18/414,052 - Filed: 2024-01-16 - Published: 2024-07-18 - Granted: 2026-10-13 - Earliest claimed: 2023-01-17 - Assignees: Actutek Corporation - Applicants: Acutek Corporation - Inventors: Yung-Yun Chen; Jui-Che Meng; Tso-Hsiang Wu; Ko-Lun Chao - Web page: https://patentgrep.com/patent/US12761524B2 ## CPC - G03B 5/00: Adjustment of optical system relative to image or object surface other than for focusing - G02B 7/02: for lenses {(supports for magnifying lenses G02B25/002)} - G03B 2205/0069: using electromagnetic actuators, e.g. voice coils - G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D) - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract An optical element driving mechanism is provided, and includes a movable portion, a fixed portion, and a driving assembly. The movable portion is used to connect an optical element and is movable relative to the fixed portion. The driving assembly is used to drive the movable portion to move relative to the fixed portion in a first axis. ## Claims ### Claim 1 An optical element driving mechanism, comprising: a movable portion used to connect an optical element; a fixed portion, wherein the movable portion movable relative to the fixed portion; a driving assembly used to drive the movable portion to move relative to the fixed portion in a first axis; and a guiding assembly, wherein the movable portion is movable in the first axis relative to the fixed portion via the guiding assembly, and the guiding assembly comprises: a first guiding assembly; and a second guiding assembly in contact with and movable relative to the first guiding assembly, wherein a first contact surface of the first guiding assembly contacts a second contact surface of the second guiding assembly, wherein in a second axis, a width of the first contact surface is greater than a width of the second contact surface, and the second axis is perpendicular to the first axis, and in the first axis, a length of the second contact surface is greater than a length of the first contact surface. ### Claim 2 (depends on 1) The optical element driving mechanism as claimed in claim 1, wherein the second guiding assembly further comprises: a first positioning portion having a first positioning surface, wherein the first positioning surface faces the first guiding assembly, and an angle formed between the first positioning surface and the second contact surface is between 15 degrees and 60 degrees. ### Claim 3 (depends on 2) The optical element driving mechanism as claimed in claim 2, wherein when the movable portion is located at a first position, the first guiding assembly abuts the first positioning portion, and the optical element blocks a plurality of optical openings of the fixed portion. ### Claim 4 (depends on 2) The optical element driving mechanism as claimed in claim 2, wherein the second guiding assembly further comprises a second positioning portion having a second positioning surface, wherein the second positioning surface faces the first guiding assembly, the second positioning surface is not parallel and not perpendicular to the first positioning surface. ### Claim 5 (depends on 4) The optical element driving mechanism as claimed in claim 4, wherein the second positioning surface is not parallel and not perpendicular to the second contact surface. ### Claim 6 (depends on 4) The optical element driving mechanism as claimed in claim 4, wherein the angle between the first positioning surface and the second contact surface is different from an angle between the second positioning surface and the second contact surface, and the angle between the first positioning surface and the second contact surface is greater than the angle between the second positioning surface and the second contact surface. ### Claim 7 (depends on 1) The optical element driving mechanism as claimed in claim 1, further comprising a linkage assembly, wherein when the movable portion moves relative to the fixed portion, the optical element is driven to move via the linkage assembly, and the optical element is movable relative to the movable portion. ### Claim 8 (depends on 7) The optical element driving mechanism as claimed in claim 7, wherein the linkage assembly includes: a linkage element having a protruding structure; and an opening structure corresponding to the linkage element. ### Claim 9 (depends on 8) The optical element driving mechanism as claimed in claim 8, wherein the linkage element and the opening structure overlap in a second axis and a third axis that are each perpendicular to the first axis and are perpendicular to each other. ### Claim 10 (depends on 1) The optical element driving mechanism as claimed in claim 1, wherein a first corresponding surface of the movable portion faces a second corresponding surface of the optical element, and when the movable portion is located at an intermediate position, the first corresponding surface does not contact the second corresponding surface. ### Claim 11 (depends on 10) The optical element driving mechanism as claimed in claim 10, wherein when the movable portion is located at the intermediate position, the first corresponding surface is not parallel to the second corresponding surface. ### Claim 12 (depends on 1) The optical element driving mechanism as claimed in claim 1, further comprising a magnetically permeable sheet embedded in the fixed portion, wherein when the movable portion is located at an extreme position, the magnetically permeable sheet is spaced apart from the movable portion. ### Claim 13 (depends on 12) The optical element driving mechanism as claimed in claim 12, wherein when the movable portion is located at the extreme position, a bearing portion of the movable portion contacts the fixed portion. ### Claim 14 (depends on 13) The optical element driving mechanism as claimed in claim 13, wherein the bearing portion comprises a chamfer structure, and when the movable portion is located at the extreme position, the chamfer structure contacts the fixed portion. ### Claim 15 (depends on 1) The optical element driving mechanism as claimed in claim 1, further comprises a circuit assembly electrically connected to the driving assembly, wherein the circuit assembly comprises a first contact and a second contact, and the first contact and the second contact are respectively located on opposite sides of a coil of the driving assembly. ### Claim 16 (depends on 15) The optical element driving mechanism as claimed in claim 15, wherein the circuit assembly includes a plurality of segments embedded in the fixed portion, and the segments extend in different directions. ### Claim 17 (depends on 1) The optical element driving mechanism as claimed in claim 1, wherein the fixed portion comprises an outer frame, the outer frame has a top surface and a sidewall extending from the top surface, and the sidewall is not parallel to the top surface. ### Claim 18 (depends on 17) The optical element driving mechanism as claimed in claim 17, wherein an angle between the sidewall and the top surface is less than 90 degrees.