# US 12,007,621 B2 · Lens driving device, and camera module and optical device including same lens > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,007,621 B2 - Document ID: US12007621B2 - Status: Granted - Kind: B2 - Application number: 17/269,437 - Filed: 2019-08-29 - Published: 2021-06-17 - Granted: 2024-06-11 - Earliest claimed: 2018-08-31 - Assignees: LG Innotek Co., Ltd. - Applicants: LG Innotek Co., Ltd. - Inventors: Sang Ok Park; Seong Min Lee; Jun Taek Lee - Web page: https://patentgrep.com/patent/US12007621B2 ## CPC - G02B 7/105: with movable lens means specially adapted for focusing at close distances - G02B 7/021: {for more than one lens} - G02B 7/023: {permitting adjustment} - G02B 7/08: adapted to co-operate with a remote control mechanism - G02B 7/09: adapted for automatic focusing or varying magnification - G02B 13/001: {Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras (G02B23/243 takes precedence)} - 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)} - G03B 3/10: Power-operated focusing - G03B 5/00: Adjustment of optical system relative to image or object surface other than for focusing - G03B 17/12: with means for supporting objectives, supplementary lenses, filters, masks, or turrets - 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 23/51: Housings - 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 - H04N 23/65: Control of camera operation in relation to power supply - H04N 23/687: {by shifting the lens or sensor position} - G03B 2205/0015: by displacing one or more optical elements normal to the optical axis - G03B 2205/0069: using electromagnetic actuators, e.g. voice coils - G03B 2217/007: Details of energy supply or management - H02K 2211/03: Machines characterised by circuit boards, e.g. pcb - 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 One embodiment comprises: a housing; a bobbin arranged in the housing; a coil arranged in the bobbin; a first magnet arranged at a first lateral part of the housing; a second magnet arranged at a second lateral part of the housing facing the first lateral part of the housing; a circuit board arranged at a third lateral part of the housing; a location sensor which is arranged at the third lateral part of the housing and which is electrically connected with the circuit board; and a first capacitor arranged at a first corner part of the housing, which is arranged between the third lateral part of the housing and the second lateral part of the housing, and electrically connected with the circuit board. ## Claims ### Claim 1 A lens moving apparatus comprising: a cover member; a housing disposed in the cover member; a bobbin disposed in the housing; a coil disposed in the cover member; a first magnet disposed in the cover member and configured to move the bobbin in an optical axis direction by an interaction with the coil; a circuit board disposed on a side portion of the housing; a position sensor disposed on the circuit board and conductively connected to the circuit board; and a first capacitor disposed on the circuit board and conductively connected to the circuit board, wherein the position sensor comprises first and second terminals through which a power signal is supplied, and wherein the first capacitor is conductively connected in parallel to the first and second terminals of the position sensor. ### Claim 2 (depends on 1) The lens moving apparatus according to claim 1, wherein the housing comprises a first seating portion, which is formed in the side portion of the housing and in which the position sensor is disposed. ### Claim 3 (depends on 1) The lens moving apparatus according to claim 1, wherein the circuit board comprises first and second terminals, through which a power signal is supplied to the position sensor; a third terminal, through which a data signal is supplied to the position sensor; and a fourth terminal, through which a clock signal is supplied to the position sensor, and wherein the first terminal of the position sensor is conductively connected to the first terminal of the circuit board, and the second terminal of the position sensor is conductively connected to the second terminal of the circuit board. ### Claim 4 (depends on 3) The lens moving apparatus according to claim 3, wherein the first capacitor is connected in parallel to the first and second terminals of the circuit board. ### Claim 5 (depends on 3) The lens moving apparatus according to claim 3, wherein the position sensor comprises: a Hall sensor for detecting a displacement of the bobbin in the optical axis direction; an amplifier configured to amplify an output signal output by the Hall sensor; and an output terminal conductively connected to an output terminal of the amplifier. ### Claim 6 (depends on 3) The lens moving apparatus according to claim 3, wherein the circuit board comprises fifth and sixth terminals to which a drive signal for driving the coil is supplied from the position sensor. ### Claim 7 (depends on 1) The lens moving apparatus according to claim 1, wherein the position sensor is disposed on a first surface of the circuit board facing the side portion of the housing. ### Claim 8 (depends on 7) The lens moving apparatus according to claim 7, wherein the first capacitor is disposed on the first surface of the circuit board. ### Claim 9 (depends on 8) The lens moving apparatus according to claim 8, wherein the circuit board comprises a plurality of terminals disposed on a second surface thereof that is opposite to the first surface thereof. ### Claim 10 (depends on 1) The lens moving apparatus according to claim 1, comprising: a second magnet disposed on the bobbin so as to face the position sensor; and a balancing magnet disposed on the bobbin so as to be opposite to the second magnet. ### Claim 11 A lens moving apparatus comprising: a cover member comprising an upper plate and a side plate; a bobbin disposed in the cover member; a first magnet disposed between the bobbin and the side plate of the cover member; a coil disposed to be opposite to the first magnet and configured to move the bobbin in an optical axis direction by an interaction with the first magnet; a circuit board disposed between the bobbin and the side plate of the cover member and comprising first and second terminals; a position sensor disposed on the circuit board and conductively connected to the circuit board and configured to detect a displacement of the bobbin in the optical axis direction; and a first capacitor disposed on the circuit board and conductively connected in parallel to the first and second terminals of the circuit board, wherein a power signal is supplied to the position sensor through the first and second terminals of the circuit board. ### Claim 12 (depends on 1) A camera module comprising: a lens; the lens moving apparatus according to claim 1; and an image sensor. ### Claim 13 (depends on 3) The lens moving apparatus according to claim 3, wherein the position sensor is positioned higher than the first to fourth terminals of the circuit board. ### Claim 14 (depends on 6) The lens moving apparatus according to claim 6, wherein the position sensor comprises a Hall sensor and a driver, wherein the position sensor comprises third to sixth terminals, and wherein each of the third to sixth terminals of the position sensor is conductively connected to a corresponding one of the third to sixth terminals of the circuit board. ### Claim 15 (depends on 6) The lens moving apparatus according to claim 6, wherein the coil is conductively connected to the fifth and sixth terminals of the circuit board. ### Claim 16 (depends on 6) The lens moving apparatus according to claim 6, wherein the first capacitor is positioned higher than the first to fourth terminals of the circuit board. ### Claim 17 (depends on 11) The lens moving apparatus according to claim 11, wherein the circuit board comprises: a third terminal through which a data signal is supplied to the position sensor; a fourth terminal, through which a clock signal is supplied to the position sensor; and fifth and sixth terminals to which a drive signal for driving the coil is supplied from the position sensor. ### Claim 18 (depends on 17) The lens moving apparatus according to claim 17, wherein the position sensor comprises third to fourth terminals, and wherein each of the first to sixth terminals of the position sensor is conductively connected to a corresponding one of the first to sixth terminals of the circuit board. ### Claim 19 (depends on 11) The lens moving apparatus according to claim 11, wherein the position sensor comprises a Hall sensor and a driver. ### Claim 20 (depends on 17) The lens moving apparatus according to claim 17, wherein the position sensor and the first capacitor are positioned higher than the first to fourth terminals of the circuit board.