# US 11,994,692 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 11,994,692 B2 - Document ID: US11994692B2 - Status: Granted - Kind: B2 - Application number: 17/689,532 - Filed: 2022-03-08 - Published: 2022-06-23 - Granted: 2024-05-28 - Earliest claimed: 2019-03-06 - Assignees: TDK Taiwan Corp. - Applicants: TDK Taiwan Corp. - Inventors: Meng-Ting Lin; Sin-Jhong Song - Web page: https://patentgrep.com/patent/US11994692B2 ## CPC - 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 7/08: adapted to co-operate with a remote control mechanism - G02B 7/09: adapted for automatic focusing or varying magnification - G02B 7/10: by relative axial movement of several lenses, e.g. of varifocal objective lens - G03B 3/10: Power-operated focusing - G03B 13/36: Autofocus systems - G03B 30/00: Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles - H02K 11/215: Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements - H02K 41/0356: {moving along a straight path} - H04N 23/54: Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils - H04N 23/57: Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices - G03B 2205/0069: using electromagnetic actuators, e.g. voice coils - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - 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) - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract An optical element driving mechanism is provided. The optical element driving mechanism includes a bottom, a movable part, a driving assembly, a first circuit assembly, and a second circuit assembly. The movable part is connected to an optical element with an optical axis. The movable part is movable relative to the bottom. The driving assembly drives the movable part to move relative to the bottom. The first circuit assembly is disposed on the bottom and electrically connected to the driving assembly. The second circuit assembly is electrically connected to the driving assembly. At least part of the second circuit assembly is embedded in and not revealed from the bottom. The driving assembly is electrically connected to the first circuit assembly via the second circuit assembly. ## Claims ### Claim 1 An optical element driving mechanism, comprising: a bottom; a movable part connected to an optical element with an optical axis, wherein the movable part is movable relative to the bottom; a driving assembly driving the movable part to move relative to the bottom; a first circuit assembly disposed on the bottom and electrically connected to the driving assembly; and a second circuit assembly electrically connected to the driving assembly, wherein at least part of the second circuit assembly is embedded in and not revealed from the bottom; wherein the driving assembly is electrically connected to the first circuit assembly via the second circuit assembly; wherein the first circuit assembly has a plate-like structure, and the first circuit assembly comprises a first portion and a second portion that are not parallel with each other. ### Claim 2 (depends on 1) The optical element driving mechanism as claimed in claim 1, wherein the first portion is perpendicular to the second portion. ### Claim 3 (depends on 1) The optical element driving mechanism as claimed in claim 1, wherein the bottom comprises a baffle, the baffle is in contact with the second portion, and the baffle is not in contact with the first portion. ### Claim 4 (depends on 1) The optical element driving mechanism as claimed in claim 1, wherein the second portion comprises a plurality of pins, and current is supplied to the first circuit assembly via the pins. ### Claim 5 (depends on 1) The optical element driving mechanism as claimed in claim 1, further comprising a sensing assembly sensing a movement condition of the movable part relative to the bottom, wherein the sensing assembly comprises a sensor disposed on the bottom. ### Claim 6 (depends on 5) The optical element driving mechanism as claimed in claim 5, wherein the sensor partially overlaps the bottom when viewed along a direction that is perpendicular to the optical axis. ### Claim 7 (depends on 5) The optical element driving mechanism as claimed in claim 5, wherein the bottom comprises a receiving portion, and the sensor is disposed on the receiving portion. ### Claim 8 (depends on 5) The optical element driving mechanism as claimed in claim 5, further comprising an adhesion element, wherein the adhesion element is in direct contact with the sensor and the first circuit assembly. ### Claim 9 An optical element driving mechanism, comprising: a bottom, a movable part connected to an optical element with an optical axis, wherein the movable part is movable relative to the bottom; a driving assembly driving the movable part to move relative to the bottom; a first circuit assembly disposed on the bottom and electrically connected to the driving assembly; and a second circuit assembly electrically connected to the driving assembly, wherein at least part of the second circuit assembly is embedded in and not revealed from the bottom; wherein the driving assembly is electrically connected to the first circuit assembly via the second circuit assembly; wherein the second circuit assembly comprises a first electrical connection portion and a second electrical connection portion that are located at different heights. ### Claim 10 (depends on 9) The optical element driving mechanism as claimed in claim 9, wherein the first electrical connection portion is revealed from the bottom, and the second electrical connection portion is not revealed from the bottom. ### Claim 11 (depends on 9) The optical element driving mechanism as claimed in claim 9, wherein the first electrical connection portion does not overlap the first circuit assembly when viewed along a direction that is perpendicular to the optical axis. ### Claim 12 (depends on 9) The optical element driving mechanism as claimed in claim 9, wherein the bottom further comprises a supporting platform, and the first electrical connection portion is disposed on the supporting platform. ### Claim 13 (depends on 12) The optical element driving mechanism as claimed in claim 12, further comprising an elastic element, wherein the movable part is movably connected to the bottom via the elastic element, the elastic element comprises a connection portion disposed on the supporting platform, and the connection portion is in contact with the first electrical connection portion. ### Claim 14 (depends on 9) The optical element driving mechanism as claimed in claim 9, further comprising a case connected to the bottom, wherein a distance between a top surface of the case and the first electrical connection portion is different from a distance between the top surface of the case and the second electrical connection portion. ### Claim 15 (depends on 14) The optical element driving mechanism as claimed in claim 14, wherein the distance between the top surface of the case and the first electrical connection portion is less than the distance between the top surface of the case and the second electrical connection portion. ### Claim 16 An optical element driving mechanism, comprising: a bottom; a case connected to the bottom; a movable part connected to an optical element with an optical axis, wherein the movable part is movable relative to the bottom; a driving assembly driving the movable part to move relative to the bottom; a first circuit assembly disposed on the bottom and electrically connected to the driving assembly; and a second circuit assembly electrically connected to the driving assembly, wherein at least part of the second circuit assembly is embedded in and not revealed from the bottom; wherein the driving assembly is electrically connected to the first circuit assembly via the second circuit assembly; wherein the bottom comprises a supporting platform, and a distance between a top surface of the case and the supporting platform is different from a distance between the top surface of the case and the first circuit assembly. ### Claim 17 (depends on 16) The optical element driving mechanism as claimed in claim 16, wherein the distance between the top surface of the case and the supporting platform is less than the distance between the top surface of the case and the first circuit assembly. ### Claim 18 An optical element driving mechanism, comprising: a bottom; a movable part connected to an optical element with an optical axis, wherein the movable part is movable relative to the bottom; a driving assembly driving the movable part to move relative to the bottom; a first circuit assembly disposed on the bottom and electrically connected to the driving assembly; a second circuit assembly electrically connected to the driving assembly, wherein at least part of the second circuit assembly is embedded in and not revealed from the bottom; an electronic element disposed on the first circuit assembly; and an adhesion element; wherein the driving assembly is electrically connected to the first circuit assembly via the second circuit assembly; wherein the adhesion element is in direct contact with the electronic element and the first circuit assembly. ### Claim 19 An optical element driving mechanism, comprising: a bottom; a movable part connected to an optical element with an optical axis, wherein the movable part is movable relative to the bottom; a driving assembly driving the movable part to move relative to the bottom; a first circuit assembly disposed on the bottom and electrically connected to the driving assembly; and a second circuit assembly electrically connected to the driving assembly, wherein at least part of the second circuit assembly is embedded in and not revealed from the bottom; wherein the driving assembly is electrically connected to the first circuit assembly via the second circuit assembly; wherein the driving assembly partially overlaps the first circuit assembly when viewed along the optical axis. ### Claim 20 (depends on 19) The optical element driving mechanism as claimed in claim 19, wherein the second circuit assembly comprises a first electrical connection portion revealed from the bottom, and the first electrical connection portion does not overlap the first circuit assembly when viewed along a direction that is perpendicular to the optical axis.