# US 2025/0093673 A1 · Lens assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0093673 A1 - Document ID: US20250093673A1 - Status: Published application - Kind: A1 - Application number: 18/402,694 - Filed: 2024-01-02 - Published: 2025-03-20 - Earliest claimed: 2023-09-19 - Assignees: Changzhou AAC Raytech Optronics Co., Ltd. - Applicants: Changzhou AAC Raytech Optronics Co., Ltd. - Inventors: Tongming Xu; Suohe Wei; Heqing YANG - Web page: https://patentgrep.com/patent/US20250093673A1 ## 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 7/028: {with means for compensating for changes in temperature or for controlling the temperature; thermal stabilisation} - G02B 7/08: adapted to co-operate with a remote control mechanism - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract A lens assembly including a support base; a lens barrel suspended at an inner side of the support base; and an adjustment mechanism including an Auto Focus (AF) assembly, an Optical Image Stabilizer (OIS) assembly, an elastic sheet assembly, and a flexible connection plate disposed below the support base. The OIS assembly includes an OIS circuit board disposed between the support base and the flexible connection plate. A sensor is provided at a center of the OIS circuit board. The flexible connection plate includes a first connection portion connected to the sensor. The lens assembly allows an overall structure of the lens assembly more compact, thereby reducing moving parts and improving a service life and control precision of the lens assembly. The flexible connection plate and the sensor improve the heat dissipation effect of the sensor and enhances an overall strength of the elastic structure of the lens assembly. ## Claims ### Claim 1 A lens assembly, comprising: a support base; a lens barrel suspended at an inner side of the support base; and an adjustment mechanism comprising an Auto Focus (AF) assembly, an Optical Image Stabilizer (OIS) assembly, an elastic sheet assembly, and a flexible connection plate disposed below the support base; wherein the OIS assembly comprises an OIS circuit board disposed between the support base and the flexible connection plate; a sensor is provided at a center of the OIS circuit board; and the flexible connection plate comprises a first connection portion connected to the sensor. ### Claim 2 (depends on 1) The lens assembly as described in claim 1, wherein a heat dissipation hole is formed in the first connection portion, and a first flexible connection structure is provided in the heat dissipation hole; and wherein the flexible connection plate further comprises a first frame arranged at a periphery of the first connection portion, and a second connection portion arranged between the first frame and the first connection portion. ### Claim 3 (depends on 1) The lens assembly as described in claim 1, wherein the OIS circuit board is a planar FPC, and the flexible connection plate is made of a titanium-copper alloy material. ### Claim 4 (depends on 1) The lens assembly as described in claim 1, wherein the AF assembly comprises an AF coil, an AF magnet and an AF circuit board; wherein the OIS assembly further comprises an OIS magnet and an OIS coil; wherein the support base has a mounting groove, and the AF magnet, the OIS magnet and the OIS coil are arranged in the mounting groove along a direction from top to bottom; and wherein the AF coil is wound at a periphery of the lens barrel, and the AF circuit board is arranged at the support base. ### Claim 5 (depends on 4) The lens assembly as described in claim 4, wherein the elastic sheet assembly comprises a first elastic sheet and a second elastic sheet arranged on an upper surface and a lower surface of the lens barrel, respectively; and each of the first elastic sheet and the second elastic sheet is connected to both the lens barrel and the support base; and wherein the elastic sheet assembly is connected to the AF circuit board, the OIS assembly and the support base, respectively. ### Claim 6 (depends on 5) The lens assembly as described in claim 5, wherein the AF magnet is arranged between the lens barrel and the support base, and the AF magnet is evenly distributed at a periphery of the lens barrel; wherein the lens barrel comprises a first connection ring arranged at a center, and a cantilever distributed at a periphery of and at an outer wall of the first connection ring; and the cantilever is arranged corresponding to four corners of the support base; and wherein a second flexible connection structure is provided between the cantilever and the support base. ### Claim 7 (depends on 6) The lens assembly as described in claim 6, wherein a portion of the cantilever adjacent to the support base is provided with an avoiding structure. ### Claim 8 (depends on 6) The lens assembly as described in claim 6, wherein the OIS magnet and the OIS coil are arranged corresponding to the AF magnet, respectively; an OIS support is provided in a plane region enclosed by the OIS coil, and the OIS support is arranged at the OIS circuit board; and wherein the OIS support comprises a second connection ring arranged at a periphery of the sensor, a first contact table connected to the second connection ring and arranged corresponding to the OIS coil, and a second contact table extending from the second connection ring to a region corresponding to a bottom of the support base. ### Claim 9 (depends on 6) The lens assembly as described in claim 6, wherein the first elastic sheet and the second elastic sheet have a same structure, which comprises a third connection ring connected to the first connection ring, a first connection arm connected between the first connection ring and the support base, and a second connection arm connected between the first connection ring and the cantilever. ### Claim 10 (depends on 1) The lens assembly as described in claim 1, further comprising a housing, wherein the housing comprises a first housing arranged outside the support base, and a second housing arranged below the first housing and configured to receive the OIS circuit board and the flexible connection plate; and a gasket is provided between the second housing and an edge of the flexible connection plate.