WO2023072133A1 - 光学防抖装置、摄像头模组及电子设备 - Google Patents
光学防抖装置、摄像头模组及电子设备 Download PDFInfo
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- WO2023072133A1 WO2023072133A1 PCT/CN2022/127622 CN2022127622W WO2023072133A1 WO 2023072133 A1 WO2023072133 A1 WO 2023072133A1 CN 2022127622 W CN2022127622 W CN 2022127622W WO 2023072133 A1 WO2023072133 A1 WO 2023072133A1
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- connecting part
- elastic
- optical anti
- shake device
- image sensor
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/681—Motion detection
- H04N23/6812—Motion detection based on additional sensors, e.g. acceleration sensors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/682—Vibration or motion blur correction
- H04N23/685—Vibration or motion blur correction performed by mechanical compensation
- H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Definitions
- the embodiments of the present application relate to the technical field of photographing, and in particular to an optical anti-shake device, a camera module, and electronic equipment.
- an electronic device with a camera function When electronic devices with camera functions (such as mobile phones, tablet computers, etc.) take pictures, the pictures taken will often appear blurred, ghosted or blurred due to slight shaking. For example, when the human body is holding an object, there is generally a certain degree of Physiological shaking, the human body is often in a moving state when shooting images. These irregular, involuntary shaking or motion vibrations will cause blurred shooting pictures and poor user experience. Therefore, an electronic device with a camera function needs to have an automatic focus (AF for short) function and an optical image stabilization (OIS for short) function.
- AF automatic focus
- OIS optical image stabilization
- the optical image stabilization device realizes the miniaturization of the camera module, which is a topic that the industry continues to explore.
- the present application provides an optical anti-shake device, a camera module, and electronic equipment.
- the optical anti-shake device can efficiently and accurately compensate and correct the shake of the electronic equipment, and at the same time, it has a smaller size to meet the small size of the camera module. design requirements.
- an embodiment of the present application provides an optical anti-shake device, including: an image sensor, a drive assembly, a first connecting member, and a second connecting member.
- the driving assembly includes a fixed part and a movable part that can move relatively.
- the movable part is fixedly connected to the image sensor.
- the fixed part and the movable part cooperate to drive the image sensor to move along the first direction and the second direction.
- the first direction and the second direction are The included angle is set;
- the first connecting piece includes a first connecting part, a second connecting part and a first elastic part, the first elastic part is connected between the first connecting part and the second connecting part, and the first elastic part is used to realize the second connecting part.
- the first connecting part is fixedly connected to the movable part;
- the second connecting part is stacked with the first connecting part, and the second connecting part includes a third connecting part,
- the fourth connecting part and the second elastic part the second elastic part is connected between the third connecting part and the fourth connecting part, and the second elastic part is used to realize the connection between the third connecting part and the fourth connecting part along the second direction relative movement,
- the third connecting part is relatively fixedly connected to the fixing member
- the fourth connecting part is fixedly connected to the second connecting part.
- the first connecting part and the second connecting part can move relatively in the first direction
- the second elastic part in the second connecting part By setting the first elastic part in the first connecting part, the first connecting part and the second connecting part can move relatively in the first direction
- the third connecting part The fourth connecting part can move relatively in the second direction.
- the first connecting part and the second connecting part arranged in layers are connected between the fixed part and the movable part of the driving part, so that the driving part can drive the image.
- the force transmission mechanism for the sensor to move along the first direction and the second direction. Since the first connecting part and the second connecting part are stacked, the first elastic part of the first connecting part is responsible for the elastic deformation during the movement in the first direction, and the second The second elastic part of the connecting piece is responsible for the elastic deformation during the movement in the second direction.
- the application can realize that in a limited space, the first connecting piece and the second connecting piece have longer lengths in both the first direction and the second direction.
- the moment arm, the force of the drive assembly can achieve a larger moment through the first connecting member and the second connecting member, thereby realizing efficient and accurate position compensation correction of the image sensor.
- first elastic portion and the second elastic portion are arranged on the same plate structure (or on the same plane), the length of the first elastic portion and the second elastic portion must be limited. If the first elastic portion and the second elastic portion are to be If the elastic part is set to be long enough, it is necessary to set the plate structure to a sufficiently large area, so that the size of the optical anti-shake device and the camera module will be very large, which is not conducive to the development of miniaturization. It can be understood that the first connecting member and the second connecting member provided by the present application are both planar structures.
- the first connecting member and the second connecting member are stacked, when the size of the first connecting member and the second connecting member When the area of the flat first connector and the second connector) is fixed, since the first elastic part and the second elastic part are arranged on two different planes (or flat plates) stacked, by making the first elastic
- the size of the part in the second direction and the size of the second elastic part in the first direction have a larger design space and can be maximized, so that the moment arm is longer and the output torque is larger, which is conducive to moving the image sensor to the desired location.
- the necessary position for efficient and accurate compensation and correction of the jitter of electronic equipment At the same time, when the required output torque is constant, the above structure can make the size of the optical anti-shake device smaller, so as to meet the miniaturization design requirements of the camera module.
- connection relationship between the first connecting part and the second connecting part in the second direction is a rigid connection, that is, when the driving assembly drives the image sensor to move in the second direction, the first connecting part and the second connecting part
- the two connecting parts move synchronously, and there is no relative movement between the two.
- the elastic deformation direction of the first elastic part is only the first direction, and in the second direction, the first elastic part does not have the ability of elastic deformation .
- This solution is beneficial to prevent crosstalk between the movement of the image sensor in the first direction and the second direction, and can improve the movement precision of the image sensor.
- connection relationship between the third connection part and the fourth connection part in the first direction is a rigid connection, that is, when the driving assembly drives the image sensor to move in the first direction, the third connection part and the fourth connection part
- the four connecting parts move synchronously, and there is no relative movement between them.
- the elastic deformation direction of the second elastic part is only the second direction. In the first direction, the second elastic part does not have the ability of elastic deformation. .
- This solution is beneficial to prevent crosstalk between the movement of the image sensor in the first direction and the second direction, and can improve the movement precision of the image sensor.
- the movement plane formed by the first direction and the second direction is parallel to the photosensitive surface of the image sensor (also can be understood as parallel to the imaging surface of the image sensor), or, the first connecting member and the second
- the plane where the two connecting parts are located is parallel to the photosensitive surface (or imaging surface) of the image sensor.
- the first connection part is located at the periphery of the second connection part
- the third connection part is located at the periphery of the fourth connection part.
- the second connecting part is located in the middle area of the first connecting part
- the fourth connecting part is located in the middle area of the second connecting part.
- the middle areas of the first connecting part and the second connecting part are fixedly connected.
- the edge position (first connecting part) of a connecting part is fixedly connected with the movable part, and the edge position (third connecting part) of the second connecting part is fixedly connected with the fixed part.
- the connections between the first connecting piece and the second connecting piece and the driving assembly are located at the peripheral edge, and the size of the peripheral edge is larger than that of the middle area, so the reliability of the fixed connection can be improved.
- the first connection part and the second connection part are arranged on the same layer, and the third connection part and the fourth connection part are arranged on the same layer, so that the relative movement of the first connection part and the second connection part along the first direction and the third While the connecting part and the fourth connecting part move relatively along the second direction, it is also beneficial to reduce the size of the first connecting part and the second connecting part in the direction perpendicular to the first direction and the second direction, and reduce the size of the optical anti-shake device. size of.
- the second connection part is located at the periphery of the first connection part
- the fourth connection part is located at the periphery of the third connection part.
- the first connecting part is located in the middle area of the first connecting part
- the third connecting part is located in the middle area of the second connecting part
- the middle area of the first connecting part is fixedly connected with the movable part
- the middle area of the second connecting part is fixedly connected with the fixed part.
- the first elastic part includes at least one first spring wire
- the first spring wire includes a first end connected to the first connecting part, a second end connected to the second connecting part, and a second end connected to the
- the first main body between the first end and the second end, the first main body and the first connecting part and the second connecting part are arranged at intervals through gaps, and the distance of the first main body extending in the second direction is greater than or equal to the image sensor The distance extended in the second direction.
- the first elastic part as a spring wire
- the relative movement between the first connecting part and the second connecting part can be realized through the elastic deformation of the spring wire;
- the spaced arrangement can avoid the frictional resistance and friction damage caused by contact when the first connecting part and the second connecting part move relative to each other, and at the same time, it can also realize the transmission of electrical signals through the first connecting part and the first elastic part to the second connecting part.
- the size of the first connecting member along the second direction can be adjusted At a certain time, the size of the first body is maximized, so that the moment arm of the first elastic part in the first direction is longer, so that the elastic force of the first elastic part in the first direction is larger, and the output torque is also larger , driving efficiency is higher.
- first spring wires there are multiple first spring wires, and the multiple first spring wires are sequentially arranged at intervals between the first connection part and the second connection part.
- the arrangement of electrical traces can be better distributed. Assuming that the number of first reed wires is one, multiple electrical traces need to be arranged on the same first reed wire, which will cause the first reed As the width of the wire increases, the elasticity of the first spring wire decreases accordingly, and the elastic force also decreases.
- the electrical traces can be better arranged, and the width of the first spring wires can be reduced, and the deformation capacity of the first spring wires can be increased, thereby ensuring the elastic deformation of the first elastic part ability.
- the first body includes a first section and a second section, the second section bends and extends compared with the first section, the first end is the end of the first section away from the second section, and the second section The end is the end of the first section away from the second section, and the first section extends along the second direction.
- the first body is straight and extends along the second direction, and two ends of the first body are respectively connected to the second connection part and the first connection part. Setting the first elastic part in a straight shape is beneficial to ensure the stability of the direction of the elastic force and the direction of the force.
- the two first elastic parts are respectively arranged on two sides of the second connecting part in the first direction.
- the force of the second connecting part is more balanced, so that it can move in a straight line, which is beneficial to control its Move the distance to precisely adjust the image sensor to the desired position.
- the outer edge of the second connecting part includes a first side, a second side, a third side and a fourth side that are sequentially connected in a closed frame shape, and the first side and the second side are arranged opposite to each other.
- the third side and the fourth side are arranged oppositely;
- the first connecting portion includes a first connecting piece and a second connecting piece, the first connecting piece is located at the periphery of the first side and is spaced apart from the first side through a gap, and the second connecting piece
- the sheet is located on the periphery of the third side and is spaced apart from the third side through a gap, one of the first elastic parts is located on the periphery of the third side and connected between the second connecting piece and the second connecting part, and the other first elastic part Located on the periphery of the fourth side and connected between the first connecting piece and the second connecting part.
- the first connecting part include a first connecting piece and a second connecting piece
- the first connecting piece and the second connecting piece are arranged symmetrically on both sides of the second connecting part respectively
- both sides of the second connecting part are simultaneously subjected to the first connecting piece.
- the force of the connecting piece and the second connecting piece maintains a state of balanced force during the movement, and the movement track will not be skewed, which is conducive to precise adjustment of the position of the image sensor.
- the position where one first elastic part is connected to the second connecting part is located on the third side adjacent to the first side, and the position where the other first elastic part is connected to the second connecting part is located The location on the fourth side adjacent to the second side.
- the area between the first connecting piece and the second connecting piece includes a first area and a second area adjacently arranged along the first direction, the second connecting portion and the two first elastic portions Located in the first area, the second area is used for accommodating optical components for transmitting incident light to the image sensor.
- the second area between the first connecting piece and the second connecting piece it not only provides an installation space for the optical components, but also provides a passage for the light to enter the image sensor.
- the optical element is a light conversion element, and the optical element is used to reflect incident light to the image sensor.
- the light conversion member can be used to change the optical path of the light, so that the light is vertically incident on the image sensor, which is beneficial to reduce the size of the camera module.
- the second area facing the image sensor in the first connecting part and accommodating the light conversion part in the second area, compared with the structure in which the light conversion part is arranged outside the optical anti-shake device, it is beneficial to reduce the The size of the optical image stabilization unit.
- the second connection part includes a first connection body and a first extension part, the number of the first extension parts is two, and one of the first extension parts is disposed on the side of the first side adjacent to the third side. position, and is connected with the first sub-elastic part; another first extension part is disposed on the second side adjacent to the fourth side, and is connected with the second sub-elastic part.
- the first extension part instead of the second section, it is also possible to achieve a rigid connection between the first elastic part and the second connecting part in the first direction, and maximize the length of the first connecting body in the second direction, so as to The purpose of making the moment of the first connecting member larger.
- the area surrounded by the third connection part includes a third area and a fourth area adjacently arranged along the first direction
- the fourth connection part includes a second connection body and a second extension part
- the second connection body and the second connection part are stacked and fixedly connected, the second connection body is located in the third area, the second extension part is located in the fourth area, part of the second elastic part is located in the third area, and part of the second elastic part is located in the fourth area , the fourth area is opposite to the second area in the stacking direction.
- connection of the extension part with the second elastic part is beneficial to prolong the length of the second elastic part in the first direction, so as to be able to output a larger torque.
- the second elastic part includes at least one second spring wire
- the second spring wire includes a third end connected to the third connecting part, a fourth end connected to the fourth connecting part, and a fourth end connected to the The second main body between the third end and the fourth end, the second main body and the third connecting part and the fourth connecting part are arranged at intervals through a gap, and the extending distance of the second main body in the first direction is greater than or equal to that of the image sensor The extension distance in the first direction.
- the second elastic part as a spring wire
- the spring wire can make the distance of the second body extending in the first direction greater than or equal to the distance extending in the first direction of the graphic sensor, so that the size of the second connecting member along the first direction can be adjusted.
- the size of the second body is maximized, so that the elastic force of the second elastic portion in the second direction is greater, and the output torque is also greater.
- the second body includes a third section and a fourth section, the fourth section is bent and extended from the third section, the third end is the end of the third section away from the fourth section, and the fourth end is the end of the fourth section away from the third section, the third section extends along the first direction, the number of the second elastic part is two, and the fourth section of one second elastic part is located in the third area and connected to the connecting body Far away from the corner of the extension, a fourth section of the second elastic part is located in the fourth area and connected to an end of the extension away from the main body.
- the third connecting portion is an unclosed frame structure, the third connecting portion includes a notch, and the fourth area is arranged between the notch and the third area in the first direction.
- both the first connecting part and the second connecting part are hollow frame-shaped structures, the first connecting part and the second connecting part surround a light-transmitting area, and the first connecting part and the first elastic part and the second connecting part are located on the periphery of the light-transmitting area, the third connecting part, the second elastic part and the fourth connecting part are located on the periphery of the light-transmitting area, and the light-transmitting area is used to accommodate the image sensor.
- both the first connecting part and the second connecting part are hollow frame-shaped structures, the first connecting part and the second connecting part surround a light-transmitting area, and the first connecting part and the first elastic part and the second connecting part are located at the periphery of the light-transmitting area, the third connecting part, the second elastic part and the fourth connecting part are located at the periphery of the light-transmitting area, and the light-transmitting area is used for accommodating optical components, and the optical components are arranged on the incident surface of the image sensor on the light path.
- both the first connecting part and the second connecting part are hollow frame-shaped structures, the first connecting part and the second connecting part surround a light-transmitting area, and the first connecting part and the first elastic part and the second connecting part are located on the periphery of the light-transmitting area, the third connecting part, the second elastic part and the fourth connecting part are located on the periphery of the light-transmitting area, and the space in the light-transmitting area is an optical path between the optical element and the image sensor.
- the first connecting part includes a first electric trace
- the first electric trace makes the first connecting part, the first elastic part and the second connecting part electrically connected in sequence
- the second connecting part includes the first Two electric traces
- the second electric trace makes the fourth connecting part, the second elastic part and the third connecting part electrically connected in sequence
- the first connecting part is electrically connected with the image sensor
- the third connection part is used for electrical connection with the external circuit board.
- the wire and the second electric trace are arranged to achieve the purpose of electrically connecting the image sensor with the external circuit.
- the embodiment of the present application integrates the structure of the electrical connection between the image sensor and the external circuit on the first connector and the second connector, so that the first connector and the second connector can not only be used between the fixed part and the movable part
- the interlocking mechanism also has the first electrical trace and the second electrical trace connected in series, which constitute a part of the electrical connection path between the image sensor and the external circuit, and has both the elastic connection and the electrical connection of the mechanism.
- first connecting piece and the second connecting piece themselves are rigid plate-shaped structures, and the first electric trace and the second electric trace are arranged on the rigid plate-shaped structure, which is beneficial to ensure that the first electric trace and the second electric trace The stability and life of the transmitted signal.
- the first connector includes a stacked first substrate and a first circuit layer, and the first electrical trace is disposed on the first circuit layer;
- the second connector includes a stacked second substrate and The second circuit layer, the second electrical traces are arranged on the second circuit layer, the first substrate and the second substrate are adjacently arranged and fixedly connected.
- the first substrate and the second substrate are provided with a through hole, the through hole communicates with the first circuit layer and the second circuit layer, and a conductive structure is provided in the through hole so that the first connector and the second connection electrical connections.
- the first circuit layer and the second circuit layer are separated by the first substrate and the second substrate, by opening a through hole on the first substrate and the second substrate, and The conductive structure is arranged in the through hole to electrically connect the first electric trace and the second electric trace.
- the first connector includes a stacked first substrate and a first circuit layer, and the first electrical trace is disposed on the first circuit layer;
- the second connector includes a stacked second substrate and In the second circuit layer, the second electric trace is arranged on the second circuit layer, and the first circuit layer and the second circuit layer are adjacently arranged and fixedly connected.
- the first circuit layer and the second circuit layer are adjacently arranged and fixedly connected, and the first electric trace and the second electric trace can be electrically connected without drilling holes on the first substrate and the second substrate, and the structure is simple , easy to manufacture.
- the movable part is provided with a coil
- the fixed part is provided with a magnetic structure
- the magnetic structure is arranged opposite to the coil, and the coil is energized and cooperates with the magnetic structure to drive the image sensor to move in the first direction or the second direction .
- the magnetic structure is used to provide a magnetic field.
- the coil When the current is passed into the coil, the coil generates a magnetic thrust under the action of the magnetic field to drive the image sensor to move in the first direction or the second direction.
- the moving direction and distance of the image sensor can be controlled by controlling the direction and direction, and the driving method is simple and easy to control.
- the movable part includes a driving board and a bending part
- the coil is arranged on the driving board
- the bending part is connected to a pair of opposite edge positions on the driving board
- the first connecting part and the bending part The edge of the drive board away from the fixed connection.
- the first connecting piece, the bending portion, and the driving plate jointly enclose and form an accommodating space
- the fixing piece is located in the accommodating space
- the second connecting piece is located on a side of the first connecting piece away from the fixing piece.
- the first connecting piece, the bending portion and the driving plate jointly enclose to form an accommodation space
- the second connecting piece is arranged in the accommodation space
- the fixing piece is located on the side of the driving plate away from the second connecting piece .
- the present application provides a camera module, including a module bracket, a lens assembly, and the optical anti-shake device described in any embodiment of the first aspect, and the lens and the optical anti-shake device are installed in the module bracket.
- the camera module can still achieve clear imaging in a shaking or shaking environment, and at the same time, it has the characteristics of miniaturization.
- the present application provides an electronic device, including a processor and a camera module according to any embodiment of the second aspect, the processor is electrically connected to the camera module, and the processor is used to process the image signal output by the image sensor .
- the camera module described in the second aspect in the electronic device the electronic device has a higher-quality camera function and is easier to realize miniaturization, improves user experience, and thus has higher competitiveness.
- FIG. 1 is a schematic structural diagram of an electronic device provided in an embodiment of the present application in some embodiments;
- Fig. 2 is a structural schematic diagram of the electronic device shown in Fig. 1 at another angle;
- Fig. 3 is a schematic structural diagram of the camera module shown in Fig. 2 in Embodiment 1;
- Fig. 4 is a schematic structural view of the camera module shown in Fig. 3 cut along A-A;
- FIG. 5 is a schematic diagram of the overall structure of the optical anti-shake device shown in FIG. 3;
- FIG. 6 is a schematic diagram of an exploded structure of the optical anti-shake device shown in FIG. 5;
- Fig. 7 is a schematic structural view of the optical anti-shake device shown in Fig. 5 cut at B-B;
- Fig. 8 is a schematic structural view of the movable part shown in Fig. 6;
- Fig. 9 is a schematic structural view of the first connector shown in Fig. 6 in some embodiments.
- Fig. 10 is a schematic structural diagram of another possible embodiment of the first connector shown in Fig. 6;
- Fig. 11 is a schematic structural view of the second connector shown in Fig. 6 in some embodiments.
- Fig. 12 is a schematic structural view of the second connector shown in Fig. 6 in other embodiments.
- Fig. 13 is a schematic structural view of the second connector shown in Fig. 6 in other embodiments;
- Fig. 14 is a schematic diagram of the connection structure of the optical anti-shake device shown in Fig. 6;
- Fig. 15 is a schematic diagram of the layer structure of the first connector and the second connector shown in Fig. 6 in some embodiments;
- Fig. 16 is a schematic diagram of the connection structure of the first connector and the second connector shown in Fig. 6 in other embodiments
- Fig. 17 is a schematic diagram of the connection structure of the first connector and the second connector shown in Fig. 6 in other embodiments;
- Fig. 18 is a partial structural schematic diagram of the optical anti-shake device shown in Fig. 6 in other embodiments;
- Fig. 19 is a schematic structural diagram of the camera module shown in Fig. 2 in Embodiment 2;
- Fig. 20 is a schematic diagram of an exploded structure of the camera module shown in Fig. 19;
- Fig. 21 is a schematic structural view of the camera module shown in Fig. 19 cut at C-C;
- FIG. 22 is a schematic diagram of the overall structure of the optical anti-shake device shown in FIG. 20;
- FIG. 23 is a schematic diagram of an exploded structure of the optical anti-shake device shown in FIG. 22;
- Fig. 24 is a partial structural schematic diagram of the optical anti-shake device shown in Fig. 23 in some embodiments.
- Fig. 25 is a partial structural schematic diagram of the optical anti-shake device shown in Fig. 23 in other embodiments;
- Fig. 26 is a partial structural schematic diagram of the optical anti-shake device shown in Fig. 23 in other embodiments;
- Fig. 27 is a schematic structural view of the movable part shown in Fig. 23 in some embodiments.
- Fig. 28 is a schematic structural view of the first connector shown in Fig. 23 in some embodiments.
- Fig. 29 is a schematic structural view of the first connector shown in Fig. 23 in other embodiments.
- Fig. 30 is a schematic structural view of the first connector shown in Fig. 23 in other embodiments.
- Fig. 31 is a schematic structural view of the second connector shown in Fig. 23 in some embodiments.
- Fig. 32 is a schematic diagram of the structure of the optical anti-shake device shown in Fig. 22 cut at D-D;
- FIG. 33 is a schematic structural view of the optical anti-shake device shown in FIG. 22 cut at E-E;
- FIG. 34 is a schematic diagram of a partial structure of the optical anti-shake device shown in FIG. 22 in some embodiments.
- FIG. 1 is a schematic structural diagram of an electronic device 1000 provided in some embodiments of the present application.
- Electronic devices can be mobile phones, tablets, laptops, televisions, vehicle-mounted devices, wearable devices, video surveillance devices, and other electronic products.
- the wearable device may be a smart bracelet, a smart watch, a wireless headset, augmented reality (augmented reality, AR) glasses, an augmented reality helmet, a virtual reality (virtual reality, VR) glasses, a virtual reality helmet, and the like.
- the electronic device is a mobile phone as an example for description.
- FIG. 2 is a structural diagram of the electronic device 1000 shown in FIG. 1 at another angle.
- the electronic device 1000 includes a housing 100 , a display screen 200 , a front camera assembly 300 , a rear camera assembly 400 , a motherboard 500 , a processor 600 , a memory 700 and a battery 800 .
- the display screen 200 is used to display images, and the display screen 200 may also integrate a touch function.
- the display screen 200 is mounted on the casing 100 .
- the housing 100 may include a frame 1001 and a rear cover 1002 .
- the display screen 200 and the rear cover 1002 are installed on opposite sides of the frame 1001 respectively.
- the space facing the display screen 200 is the front of the electronic device 1000
- the space facing the back cover 1002 is the rear of the electronic device 1000 .
- the front camera assembly 300 is located inside the housing 100 and below the display screen 200 .
- the display screen 200 is provided with a front camera hole 2001 , and the front camera assembly 300 collects the light in front of the electronic device 1000 through the front camera hole 2001 to realize shooting.
- the front camera assembly 300 may include the camera module described in the following embodiments, or may include camera modules with other structures.
- the rear cover 1002 is provided with at least one rear camera hole 1003 .
- the rear camera assembly 400 is located inside the casing 100 , and the rear camera assembly 400 collects the light behind the electronic device 1000 through at least one rear camera hole 1003 to achieve shooting.
- “at least one” includes both one and multiple cases, a plurality is more than two, and "above” includes the original number.
- the rear camera assembly 400 includes at least one camera module 4001, such as one or more of a standard camera module, a telephoto camera module, a wide-angle camera module, an ultra-telephoto camera module, and an ultra-wide-angle camera module.
- the rear camera assembly 400 includes a standard camera, a wide-angle camera and a periscope telephoto camera.
- the camera module 4001 of the rear camera assembly 400 may include the camera modules described in the following embodiments, or may include camera modules with other structures.
- the rear camera assembly 400 may also include a flashlight module 4002 .
- the rear cover 1002 is provided with a flashlight hole 1004 , and the flashlight module 4002 is located inside the casing 100 and emits light through the flashlight hole 1004 .
- the motherboard 500 is located inside the casing 100 , and the processor 600 and the memory 700 are fixed on the motherboard 500 .
- the display screen 200 , the front camera component 300 and the rear camera component 400 are coupled to the processor 600 .
- the memory 700 is used to store computer program codes.
- Computer program code includes computer instructions.
- the processor 600 is used to invoke computer instructions to enable the electronic device 1000 to perform corresponding operations, for example, to enable the display screen 200 to display target images, to enable the front camera assembly 300 and the rear camera assembly 400 to capture target images, and so on.
- the battery 800 is electrically connected to the main board 500 for powering the electronic device 1000 .
- the electronic device 1000 may also include one or more of functional modules such as an antenna module, a mobile communication module, a sensor module, a motor, a microphone module, and a speaker module, and these functional modules may It is electrically connected with the processor 600 to transmit signals.
- functional modules such as an antenna module, a mobile communication module, a sensor module, a motor, a microphone module, and a speaker module, and these functional modules may It is electrically connected with the processor 600 to transmit signals.
- Figure 3 is a schematic structural diagram of the camera module 4001 shown in Figure 2 in Embodiment 1
- Figure 4 is a cutaway structure of the camera module 4001 shown in Figure 3 along A-A schematic diagram.
- the camera module 4001 provided in Embodiment 1 is a periscope camera module, and the periscope lens module can reduce the height requirements of the camera module 4001 by changing the propagation path of light, thereby reducing the overall size of the electronic device. thickness.
- the camera module 4001 includes a module bracket 10 , an optical lens assembly 20 , an optical lens set 30 and an optical anti-shake device 40 , wherein the optical lens assembly 20 and the optical lens assembly 30 constitute the lens assembly of the camera module 4001 .
- the module bracket 10 is used to fix, support and protect various components of the camera module 4001 , such as the light transfer element 20 , the optical lens group 30 and the optical anti-shake device 40 .
- the module bracket 10 includes a top wall 101, a side wall 102 and a bottom wall 103, the bottom wall 103 is arranged opposite to the top wall 101, the top wall 101, the side wall 102 and the bottom wall 103 can be an integrally formed structure, or can be assembled Ways (for example, welding, bonding, etc.) are fixed into an integral structure.
- the top wall 101 , the side wall 102 and the bottom wall 103 enclose and form a receiving space G1 , and the light converting element 20 , the optical lens set 30 and the optical anti-shake device 40 are all stored in the receiving space G1 .
- the top wall 101 is provided with a light hole 111, and the light hole 111 communicates with the outside of the storage space G1 and the module bracket 10.
- the light hole 111 can face the shell of the electronic device
- the light incident hole 111 allows external light to enter the accommodation space G1 through the light hole 111 .
- the light conversion element 20 is used to change the direction of the incident light. Its function is to use a total reflection prism to refract the incident light at an angle of 90 degrees perpendicular to the optical axis, and then enter the optical imaging device.
- the light transfer member 20 includes a light incident surface 21 , a light reflecting surface 22 and a light exit surface 23 , the light incident surface 21 is arranged opposite to the light hole 111 , and the external light passes through the light hole 111 and enters the light vertically.
- the surface 21 is reflected by the light-reflecting surface 22 and turned 90 degrees, and finally emits parallel to the direction perpendicular to the light-emitting surface 23 .
- the light converting member 20 is a total reflection prism, and the total reflection prism may be a triangular prism, a quadrangular prism, or a reflective mirror.
- the optical lens group 30 and the light conversion element 20 together constitute the lens group of the camera module 4001 .
- the optical lens group 30 is composed of at least one optical lens.
- the optical lens group 30 includes an object side and an image side. The reflected light is converged or diverged by the optical lens, and enters the optical anti-shake device 40 from the image side.
- the number of optical lenses in the optical lens set 30 may be multiple, and the optical axes 301 of the multiple optical lenses coincide, so that the optical lens set 30 has better optical performance.
- the optical lens group 30 may include at least one convex lens and at least one concave lens.
- the first direction X, the second direction Y and the third direction Z are determined based on the camera module 4001, and the first direction X and the second direction Y are It is arranged at an included angle, and the third direction Z is perpendicular to the first direction X and the second direction Y.
- the optical axis 301 of the optical lens group 30 is perpendicular to the third direction Z of the camera module 4001, and the optical axis 301 is perpendicular to the third direction Z, which means that the optical lens group 30 and the optical anti-shake device 40 can move along the first
- the direction X or the second direction Y are arranged side by side, which is beneficial to reduce the size of the camera module 4001 in the third direction Z.
- the optical axis 301 of the optical lens set 30 refers to the line at the center of the optical lens set 30 .
- the optical lens set 30 may also include free-form surface lenses.
- the optical lens group 30 may also include only one lens, so as to simplify the structure of the camera module 4001 . In this case, the lens may be a convex lens to gather light.
- the optical anti-shake device 40 is provided with a light-transmitting part 401, and the light-transmitting part 401 is arranged opposite to the image side of the optical lens group 30.
- the light-transmitting part 401 can be a structure made of a light-transmitting material, such as a transparent glass plate, a transparent plastic plate, etc.
- the light-transmitting portion 401 may also be a light-transmitting hole opened on the optical anti-shake device 40 for receiving the adjusted light from the optical lens group 30 .
- the optical anti-shake device 40 is fixed in the accommodating space, for example, can be fixed on the inner surface of the accommodating space G1 by bonding, and the inner surface of the accommodating space G1 can be the bottom wall 103 or the side wall 102, so that the camera The structural stability of module 4001 is relatively high.
- the optical anti-shake device 40 may also be fixed in the accommodation space G1 by locking, welding or other means. When the camera module 4001 shakes, the optical anti-shake device 40 can reversely compensate the shake of the camera module 4001 through the cooperative movement of various internal components, thereby improving the imaging definition.
- the optical image stabilization device 40 further includes an image sensor 1 and an external circuit board 2 .
- the image sensor 1 also known as photosensitive element
- the image sensor 1 is a semiconductor chip with hundreds of thousands to millions of photodiodes on its surface, which will generate electric charge when it is irradiated by light.
- the image sensor 1 may be a charge coupled device (charge coupled device, CCD), or a complementary metal-oxide semiconductor device (complementary metal-oxide semiconductor, CMOS).
- CCD charge coupled device
- CMOS complementary metal-oxide semiconductor
- the image sensor 1 is used to perform photoelectric conversion and A/D (analog/digital, analog signal/digital signal) conversion of an optical signal of incident light.
- the image sensor 1 is electrically connected to the external circuit board 2, and a through hole 112 is also provided on the module bracket 10.
- the through hole 112 is arranged at the junction of the side wall 102 and the bottom wall 103, and the external circuit board 2 is partially accommodated. Placed in the receiving space G1, part of it protrudes to the outside of the camera module 4001 through the through hole 112 to connect with the external circuit.
- the external light enters the light hole 111 of the camera module 4001 from the light entrance hole on the housing of the electronic device, and enters the light transfer member 20 through the light pass hole 111.
- the light transfer member 20 reflects and turns the light so that it is parallel to the optical axis
- the direction 301 is vertically incident into the optical anti-shake device 40 , and then passes through the light-transmitting portion 401 to reach the image sensor 1 .
- the light from the image sensor 1 is converted into an electrical signal and transmitted to the external circuit board 2, and the external circuit board 2 protrudes through the through hole 112 to the outside of the camera module 4001 to be electrically connected to the external circuit, and transmits the electrical signal to the external circuit , and finally realize the optical imaging of the camera module 4001 and the signal transmission between the internal circuit and the external circuit.
- FIG. 5 is a schematic diagram of the overall structure of the optical anti-shake device 40 shown in FIG. A schematic diagram of an exploded structure of the device 40
- FIG. 7 is a schematic structural diagram of the optical anti-shake device 40 shown in FIG. 5 cut at B-B.
- the optical anti-shake device 40 includes a light deflection member 3, a housing 4, a driving assembly M, a first connecting member 7 and a second connecting member 8, the driving assembly M includes a movable member 5 and a fixed member 6, and the movable member 5 is fixed to the image sensor 1 connection, wherein the movable part 5 and the image sensor 1 can be directly fixed, or can be fixed by setting other structures (such as a circuit board) between the movable part 5 and the image sensor 1 .
- the movable part 5 and the fixed part 6 cooperate with each other to drive the image sensor 1 to move along the first direction X and the second direction Y.
- the housing 4 includes a bottom plate 41, a middle frame 42, and an upper cover 43.
- the bottom plate 41 and the middle frame 42 enclose and form an accommodating cavity G2.
- the light redirecting member 3 is arranged in the accommodating cavity.
- One side is used for supporting and protecting the light redirecting member 3 .
- the upper cover 43 can be any structural member such as metal, plastic, ceramics, etc.
- the bottom plate 41, the middle frame 42 and the upper cover 43 can be a split structure such as clamping, welding or fastener connection, and can also be integrally formed.
- the light redirecting member 3 is fixed in the receiving cavity G2, and along the direction of the optical path, the light redirecting member 3 is disposed between the optical lens group 30 (as shown in FIG. 4 ) and the image sensor 1 .
- the light redirecting member 3 includes an incident surface 31, a reflective surface 32 and an outgoing surface 33.
- the incident surface 31 is arranged on the image side of the optical lens group 30, and the outgoing surface 33 is arranged opposite to the image sensor 1.
- the light emitted by the optical lens group 30 passes through the incident surface.
- the surface 31 enters the light redirecting member 3 , and is reflected by the reflective surface 32 to deflect the light at an angle of 90 degrees. Finally, the light is emitted from the outgoing surface 33 and reaches the image sensor 1 .
- the drive assembly M is a voice coil motor
- the movable part 5 is provided with a coil
- the fixed part 6 is provided with a magnetic structure, such as a magnet.
- the magnetic structure can also be arranged on the movable part 5, and the coil is provided with
- the first connecting part 7 and the second connecting part 8 are stacked and fixedly connected.
- the first connecting part 7 is directly fixedly connected to the movable part 5 or fixed by other connecting structures.
- the second connecting part 8 and the fixed part 6 remain relatively fixed.
- the fixing method can be directly fixed on the fixing piece 6, or it can be kept relatively fixed with the fixing piece 6 by being connected with other fixing structures (such as the middle frame 42).
- the first connecting piece 7 and the second connecting piece 8 constitute the fixing piece.
- the elastic connection structure between 6 and the movable part 5 is also a force transmission mechanism for the drive assembly M to drive the image sensor 1 to move along the first direction X and the second direction Y.
- the external circuit board 2 can be FPC (Flexible Printed Circuit, flexible printed external circuit board), which has a bendable characteristic.
- the connection between the middle frame 42 and the bottom plate 41 is provided with an opening 01, and the external circuit board 2 is bent at the opening 01.
- the external circuit board 2 is partly accommodated in the accommodation chamber G2, and partly extends from the interior of the accommodation chamber G2 to the accommodation chamber through the opening 01. Outside cavity G2.
- the opening 01 communicates with the through hole 112 on the module bracket 10 , so that the external circuit board 2 passes through the containing space G1 from the containing cavity G2 , and finally protrudes to the outside of the camera module 4001 to be electrically connected to the external circuit.
- the part of the external circuit board 2 accommodated in the accommodation chamber G2 is also electrically connected to the image sensor 1, and the connection method can be either a conductive metal wire connection or a contact connection, and the electrical signal on the image sensor 1 is passed through the external circuit.
- the board 2 is transmitted to the external circuit, so as to realize the signal transmission between the optical anti-shake device 40 and the external circuit.
- the external circuit is usually a graphics processor or a central processing unit of the electronic device 1000, such as a mainboard of a mobile phone.
- the external circuit board 2 can also be a PCB (Printed Circuit Board, printed circuit board), at this time, the communication function between the optical anti-shake device 40 and the external circuit can be realized through cooperation of multiple circuit boards.
- the external circuit board 2 can also be a rigid-flex board, that is, the external circuit board 2 is a structure in which a flexible circuit board and a reinforcing board are combined, wherein the reinforcing board is used to provide hard support, and the flexible circuit board is used to transmit electric signal.
- the material of the external circuit board 2 can be reasonably designed according to actual needs.
- the optical anti-shake device 40 further includes a first circuit board 63 .
- Corresponding circuits are provided on the first circuit board 63 so as to realize the function of transmitting electrical signals.
- the image sensor 1 is fixed on the surface of the first circuit board 63 by means of welding, gluing or the like.
- the image sensor 1 is also electrically connected to the first circuit board 63 through a conductive material.
- the image sensor 1 and the first circuit board 63 are electrically connected by gold wires, which can reduce the resistance between the image sensor 1 and the first circuit board 63, thereby matching higher power usage, and the gold wires The high chemical stability of the gold wire can ensure the reliability of the electrical connection.
- the gold wire has good ductility and is suitable for processing, which can reduce the difficulty of processing.
- the image sensor 1 can also be electrically connected to the first circuit board 63 through silver wires, plated dots, conductive glue, etc., or directly use conductive materials to realize the image sensor 1 and the first circuit board 63 The fixing and electrical connection between them, such as solder ball welding, etc.
- the first circuit board 63 is also electrically connected to the external circuit board 2, so as to transmit the electrical signal of the image sensor 1 to the external circuit board 2, and communicate with the central processing unit or graphics processor of the electronic device through the external circuit board 2 , to complete the acquisition, transformation and processing of optical images.
- the first circuit board 63 can be a copper clad laminate (copper clad laminate, CCL), and the reinforcing material of the copper clad laminate can be paper, glass fiber, ceramics, silicon dioxide, boron nitride, metal , resins and composite materials.
- CCL copper clad laminate
- the first circuit board 63 By fixing the image sensor 1 on the first circuit board 63 and electrically connecting the first circuit board 63 to the image sensor 1, the first circuit board 63 can not only support and fix the image sensor 1, but also realize image sensor 1. Transmission function of the signal from sensor 1.
- FIG. 8 is a schematic structural diagram of the movable part 5 shown in FIG. 6 .
- the movable part 5 is fixedly connected with the first circuit board 63 and drives the first circuit board 63 to move, so as to achieve the purpose of driving the image sensor 1 fixed on the first circuit board 63 to move.
- the movable part 5 is directly fixed to the first circuit board 63 .
- the movable part 5 and the first circuit board 63 can also be kept relatively fixed by setting other connection structures to realize synchronous movement.
- the movable part 5 is a part of a voice coil actuator (voice coil actuator/voice coil motor, VCM).
- the movable part 5 can move relative to the middle frame 42 .
- the movable part 5 is fixedly connected to the image sensor 1 by being fixed to the first circuit board 63, and is used to drive the image sensor 1 to move along the first direction X and the second direction Y, wherein the first direction X and the second direction Y constitute a
- the plane is parallel to the photosensitive surface of the image sensor 1 , and parallel in this embodiment means roughly parallel, and errors within a certain range are allowed in practical applications.
- This solution is beneficial to prevent the image sensor 1 from moving in the first direction X and the second direction Y during the process of moving in other directions. If the moving plane formed by the first direction X and the second direction Y is compared with the image The inclination of the photosensitive surface of the sensor 1 will cause the image sensor 1 to rotate or swing. Therefore, this solution can improve the movement accuracy of the image sensor 1 .
- the movable part 5 includes a driving board 51 and a bending part 52.
- the driving board 51 is a second circuit board with conductivity, which includes a first driving board 511 and a second driving board 512.
- the first driving board 511 is along the first direction X Extending, the second driving plate 512 extends along the second direction Y.
- the first driving board 511 is provided with a first coil 531, the first coil 531 includes a first long side 5310 extending along the first direction X, and the second driving board 512 is provided with a second coil 532, the second coil 532 includes a The second long side 5320 extending in the second direction Y.
- the first coil 531 drives the movable member 5 to move along the second direction Y; when the second long side 5320 is pushed along the first direction X, the second The coil 532 drives the movable member 5 to move along the first direction X.
- the number of the first driving board 511 is two, and the two driving boards 511 are arranged parallel to each other and opposite to each other on the opposite sides of the second driving board 512 along the second direction Y, finally enclosing and forming a " Concave" shape structure.
- the term “parallel” refers to approximately parallel, and due to certain errors in the actual manufacturing and application process, a certain included angle is allowed between the two driving boards 511 .
- the first coil 531 and the second coil 532 are mounted on the drive board 51 in an embedded manner. In other embodiments, the first coil 531 and the second coil 532 may also be fixed on the driving board 51 by means of winding, bonding, welding, bonding or the like.
- the bending part 52 includes a first bending plate 521 and a second bending plate 522, and the first bending plate 521 and the second bending plate 522 are respectively fixed on the driving plate 51 in the second direction Y.
- the bent portion 52 and the driving plate 51 form a receiving space.
- the fixing member 6 includes a magnetic structure 61 and a stator 62 , the magnetic structure 61 is fixed on the stator 62 , and the stator 62 is spaced apart from the drive plate 51 .
- the positions of the stator 62 corresponding to the first coil 531 and the second coil 532 are uniformly provided with grooves. The way of gluing is fixed to the inner wall of the groove, so as to be embedded on the stator 62 .
- the magnetic structure 61 may also be fixedly connected to the stator 62 by bonding, clipping, or the like.
- the magnetic structure 61 includes a first magnetic pole and a second magnetic pole.
- the first magnetic pole is an N pole
- the second magnetic pole is an S pole.
- Magnetic lines of induction are emitted from the N pole and converge on the S pole to form a magnetic field.
- the magnetic field is used to cooperate with the first coil 531 and the second coil 532 to generate thrust, so as to push the movable part 5 to move.
- the stator 62 is fixed on the bottom plate 41, and the stator 62 is also provided with a receiving groove 641.
- the receiving groove 641 is arranged opposite to the image sensor 1. In other embodiments, the receiving groove 641 only needs to be located
- the light-incoming path of the sensor 1 does not have to be directly opposite to each other. According to the characteristics of the optical elements to be installed, the accommodating groove 641 and the image sensor 1 can also be relatively staggered by a preset displacement.
- the light redirecting member 3 is accommodated in the receiving groove 641 and is fixedly connected with the stator 62.
- the stator 62 accommodates the light redirecting member 3 by opening the receiving groove 641 while fixing the light redirecting member 3 in the optical anti-shake device 40, and It is beneficial to reduce the size of the optical anti-shake device 40 in the direction perpendicular to the image sensor 1 .
- the first coil 531 when current is applied to the first coil 531, the first coil 531 receives a magnetic thrust along the second direction Y under the action of the magnetic field generated by the magnetic structure 61, and the first coil 531 pushes the movable member 5 along the second direction Y.
- the magnitudes of the currents passed through are different, the magnitudes of the magnetic thrust generated by the first coil 531 and the second coil 532 are also different, so the magnitude of the required thrust can be obtained by controlling the magnitude of the current, so that the efficiency of the driving assembly M and power etc. to meet the demand.
- the direct current can be driven without PWM driving.
- VCM has a fast feedback speed, which meets the requirements of conventional camera scenarios.
- the driving efficiency of the optical anti-shake device 40 can be adjusted according to the needs, and the image sensor 1 can be adjusted to the required position, which is beneficial to reverse the vibration of the external environment compensate.
- FIG. 9 is a schematic structural diagram of the first connecting part 7 shown in FIG. 72 and the first elastic part 73.
- the first connecting part 71 is arranged on the periphery of the second connecting part 72, and the first connecting part 71 and the second connecting part 72 are metal plates, ceramic sheets, glass plates, etc. with a supporting effect, and the first elastic part 73 is made of an elastic material. Components, such as springs, polymer materials, etc., can elastically deform under stress.
- the first elastic part 73 is connected between the first connecting part 71 and the second connecting part 72, and can be elastically deformed along the first direction X, so as to realize the connection between the first connecting part 71 and the second connecting part 72 along the first direction. Relative movement of X.
- the outer edge of the second connecting portion 72 includes a first side 721 , a second side 722 , a third side 723 and a fourth side 724 sequentially connected in a closed frame shape.
- the first side 721 is set opposite to the second side 722
- the third side 723 is set opposite to the fourth side 724 .
- the first connecting part 71 includes a first connecting piece 711 and a second connecting piece 712, the first connecting piece 711 is arranged on the periphery of the first side 721, and is spaced apart from the first side 721 through a gap H1; the second connecting piece 712 is arranged It is located on the periphery of the second side 722 and spaced apart from the second side 722 through the gap H2.
- the first connecting part 71 include a first connecting piece 711 and a second connecting piece 712, and the first connecting piece 711 and the second connecting piece 712 are arranged symmetrically on both sides of the second connecting part 72 respectively, the second connecting part 72 Both sides of the two sides are simultaneously subjected to the force of the first connecting piece 711 and the second connecting piece 712, so that the state of force balance is always maintained during the movement, and the movement track will not be skewed, which is conducive to accurate positioning of the image sensor 1 adjust.
- the first connecting piece 711 and the second connecting piece 712 spaced apart from the second connecting portion 72, movement interference and frictional damage between the first connecting portion 71 and the second connecting portion 72 are avoided.
- first elastic parts 73 which include a first sub-elastic part 731 and a second sub-elastic part 732.
- the first sub-elastic part 731 and the second sub-elastic part 732 are respectively arranged on the second connection part 72 at Two sides on one direction X.
- the first sub-resilient portion 731 is located on the periphery of the third side 723 and connects the second connecting portion 72 and the second connecting piece 712 , and its connection with the second connecting portion 72 is located near the first side 721 to the third side 723 .
- the second sub-elastic part 732 is located on the periphery of the fourth side 724 and connects the first connecting piece 711 and the second connecting part 72 , and its connection with the second connecting part 72 is located at a position where the second side 722 is adjacent to the fourth side 724 .
- the connecting positions of the first sub-elastic part 731 and the second sub-elastic part 732 and the second connecting part 72 symmetrical about the second connecting part 72, when the first elastic part 73 elastically deforms, the first connecting part 71
- the force between the second connecting part 72 is also symmetrical, so as to avoid inclination and offset of the relative movement between the first connecting part 71 and the second connecting part 72 , which is beneficial to the precise adjustment of the position of the image sensor 1 .
- the first elastic part 73 includes at least one first spring wire.
- the first elastic part 73 includes four first spring wires 73', and the four first spring wires 73' They are sequentially arranged at intervals between the first connecting portion 71 and the second connecting portion 72 .
- the elastic deformation of the first spring wire 73' can realize the relative movement between the first connecting part 71 and the second connecting part 72;
- the spring wire 73' is arranged at a distance from the first connecting part 71 and the second connecting part 72, which can avoid frictional resistance and frictional damage caused by contact when the first connecting part 71 and the second connecting part 72 move relative to each other, and at the same time realize
- the electrical signal passes through the first connection part 71 and the first elastic part 73 in sequence, and is transmitted to the second connection part 72, so as to avoid a short circuit during the transmission of the electrical signal.
- electrical traces are provided on the first connecting member 7 for transmitting electrical signals.
- first reed wires 73' By increasing the number of first reed wires 73', the arrangement of electrical traces can be better distributed. Assuming that the number of first reed wires 73' is one, multiple electrical traces need to be arranged on the same first reed wire. It will cause the width of the first spring wire 73' to increase, and the elasticity of the first spring wire 73' will decrease correspondingly, so the elastic force will also decrease. By increasing the number of first spring wires 73', the electrical traces can be better arranged, and the width of the first spring wires 73' can be reduced to increase the deformability of the first spring wires 73', thus ensuring that the first spring wires 73' An elastic portion 73 is elastically deformable.
- the end of the first spring wire 73 ′ connected to the first connecting portion 71 is the first end 733
- the end connected to the second connecting portion 72 is the second end 734
- the end connected to the second connecting portion 72 is the second end 734 .
- the part between the one end 733 and the second end 734 is the first main body 735
- the first main body 735 is straight and extends along the second direction Y
- the distance of the first main body 735 extending in the second direction Y is greater than or equal to the image
- the distance that the sensor 1 extends in the second direction Y, and the vertical projection of the image sensor 1 on the first body 735 falls within the range of the first body 735 .
- the first body 735 includes a first segment 7351 and a second segment 7352 connected to each other, the first segment 7351 extends along the second direction Y, and the second segment 7352 extends along the first direction X, so that the second segment 7352 is relatively opposite to the first segment 7351 bends.
- the first segment 7351 and the second segment 7352 are perpendicular to each other.
- the end of the second section 7352 away from the first section 7351 is the second end 734, and the end of the first section 7351 away from the second section 7352 is the first end 733, that is, the first connecting part 71, the first section 7351, and the second section 7352 It is sequentially connected to the second connecting portion 72 .
- the first elastic part 73 When the first elastic part 73 is pushed along the first direction X, the first segment 7351 is elastically deformed in the first direction X, and the second segment 7352 is rigid in the first direction X, so that the second connecting part 72 It moves relative to the first connecting part 71 along the first direction X.
- the size of the first main body 735 Realize the maximization, so that the moment arm of the first elastic part 73 in the first direction X is longer, and the elastic force of the first elastic part 73 in the first direction X is larger, so that the moment of the first connecting part 7 is larger Larger, higher drive efficiency.
- FIG. 10 is a schematic structural diagram of the first connecting member 7 shown in FIG. 6 in some other possible embodiments.
- the second connecting portion 72 includes a first extending portion 725 and a first connecting main body 726, the number of the first extending portion 725 is two, and one of the first extending portions 725 is disposed on the first side 721 adjacent to the third side 723, and connected to the first sub-elastic portion 731 ; another first extension portion 725 is disposed on the second side 722 adjacent to the fourth side 724 and connected to the second sub-elastic portion 732 .
- the first spring wire extends along the second direction Y, the first end 733 is connected to the second connecting piece 712, the second end 734 is connected to the first extension part 725, and one side of the first extension part 725 connected to the second end 734 is connected to the second end 734.
- the three sides 723 are arranged at an included angle to maximize the moment arm of the first spring wire on the periphery of the third side 723 in the second direction Y.
- the side where the first extension 725 is connected to the first spring wire on the periphery of the fourth side 724 is also set at an angle to the fourth side 724, so that the first spring wire on the periphery of the fourth side 724 is aligned in the second direction Y.
- the upper moment arm is maximized, so that the first connecting member 7 can output a larger moment.
- the optical anti-shake device 40 further includes a second connecting member 8 , please refer to FIG. 11 , which is a schematic structural diagram of the second connecting member 8 shown in FIG. 6 .
- the second connecting member 8 includes a third connecting portion 81 , a fourth connecting portion 82 and a second elastic portion 83 .
- the third connecting portion 81 is disposed around the periphery of the fourth connecting portion 82 and spaced apart from the fourth connecting portion 82 through a third gap H3.
- the third connecting part 81 is an unclosed frame structure, which includes a first frame 811, a second frame 812, a third frame 813 and a fourth frame 814 connected in sequence, and the first frame 811 and the third frame 813 are connected along the second frame 813.
- the direction Y is oppositely arranged, and the second frame 812 and the fourth frame 814 are oppositely arranged along the first direction X.
- the second elastic part 83 is connected between the third connecting part 81 and the fourth connecting part 82, and can be elastically deformed along the second direction Y, so as to realize the connection between the third connecting part 81 and the fourth connecting part 82 along the second direction. Relative movement of Y.
- second elastic parts 83 there are two second elastic parts 83, one second elastic part 83 is located between the first frame 811 and the fourth connecting part 82, and the other second elastic part 83 is located between the third frame 813 and the fourth connecting part 82.
- two second elastic parts 83 are disposed on opposite sides of the fourth connecting part 82 in the second direction Y, so that the third connecting part 81 and the fourth connecting part 82 The forces in the two directions Y are balanced, so that the balance can be maintained during the movement.
- the second elastic part 83 includes at least one second spring wire 83'.
- the second elastic part 83 includes four second spring wires 83', and the four second spring wires 83' are arranged at intervals in the third connecting part 81 in turn. and the fourth connecting portion 82 .
- One end of the second spring wire 83' connected to the third connecting portion 81 is the third end 831, and one end connected to the fourth connecting portion 82 is the fourth end 832, and the part between the third end 831 and the fourth end 832 is The second body 833, the distance that the second body 833 extends in the first direction X is greater than the distance that the image sensor 1 extends in the first direction X, and the vertical projection of the image sensor 1 on the second body 833 falls into the second body 833 within range.
- the second main body 833 can be deformed along the second direction Y, so that the third connecting part 81 and the fourth connecting part 82 can move relative to each other in the second direction Y.
- the second main body 833 is spaced apart from the third connecting portion 81 and the fourth connecting portion 82 through gaps, so as to avoid motion interference, frictional damage, etc. between the third connecting portion 81 and the fourth connecting portion 82 .
- FIG. 12 and FIG. 13 show a segment 8331 and fourth segment 8332
- the third segment 8331 extends along the first direction X
- the fourth segment 8332 extends along the second direction Y
- the fourth segment 8332 is rigid
- the fourth segment 8332 is 90° compared to the third segment 8331 Degree angle bend.
- the end of the third section 8331 away from the fourth section 8332 is the third end 831
- the end of the fourth section 8332 away from the third section 8331 is the fourth end 832 .
- the fourth connection part 82 includes a second connection body 821 and a second extension part 822 , and the second extension part 822 is disposed between the second connection body 821 and the second frame 812 .
- the position where the fourth section 8332 of one second elastic part 83 is connected to the second connecting body 821 is located at a corner away from the second extension part 822 , and the fourth section 8332 of the other second elastic part 83 is connected to the second extension part 822
- the position is located away from the corner of the second connection body 821, by setting two second elastic parts 83, and making the two second elastic parts 83 respectively arranged on the opposite sides of the second connection body 821 along the second direction Y, it can be
- the interaction force between the third connecting part 81 and the fourth connecting part 82 is made more uniform and symmetrical, so that the relative movement between the third connecting part 81 and the fourth connecting part 82 is more balanced.
- the size of the second elastic portion 83 in the first direction X can be made larger, so that a larger
- the fourth connection part 82 includes a second extension part 822 , and the fourth segment 8332 is connected to the second extension part 822 through the fourth end 832 .
- the number and shape of the second extension portion 822 can also be reasonably designed according to actual needs, so that the size and output of the second connecting member 8 can meet the requirements.
- the number of the second extension 822 is one, and the side connected to the third segment 8331 is set at an angle with the second direction Y.
- the second extension 822 The number is two, and the two second extension parts 822 are arranged symmetrically about the center of the second connecting body 821 .
- the second spring wire include the third section 8331 and the fourth section 8332, and setting the second extension part 822 to realize the connection between the second elastic part 83 and the fourth connecting part 82, it is beneficial to extend the third section 8331 in the second section 8331.
- the third segment 8331 is elastically deformed in the second direction Y
- the fourth segment 8332 is rigid in the second direction Y, so that the fourth connecting part 82 Relative movement with the third connecting part 81 along the second direction Y, and the longer length of the third section 8331 also makes the moment of the second connecting part 8 larger and the driving efficiency is higher.
- the first connecting piece 711 and the second connecting piece 712 include a first area K1 and a second area K2, and the first area K1 and the second area K2 Adjacent to each other in the first direction X. Both the second connecting portion 72 and the first elastic portion 73 are located in the first region K1.
- the second area K2 is a hollow structure, and in a direction perpendicular to the image sensor 1 , the second area K2 is directly opposite to the image sensor 1 .
- the second connecting member 8 includes a third area K3 and a fourth area K4 adjacently arranged along the first direction X, a gap is provided on the second frame 812, and the fourth area K4 is arranged between the gap and the third area K3 , and the fourth area K4 is a hollow structure, and the gap communicates with the fourth area K4, so that within a limited size range, the size of the space available for accommodating the light redirecting member 3 in the first direction X is enlarged, which is convenient for The light redirecting member 3 is installed, and is conducive to the miniaturization design of the optical anti-shake device 40 .
- the second connecting member 8 is stacked with the first connecting member 7, and the fourth area K4 and the second area K2 are arranged to face and communicate with each other to accommodate the optical parts.
- the optical parts are As for the light redirecting member 3, in other embodiments, the optical member may also be an optical lens group 30 and the like.
- FIG. 14 is a schematic diagram of a connection structure of the optical anti-shake device 40 in a possible embodiment.
- the bent part 52 includes a first bent plate 521 and a second bent plate 522, the first bent plate 521 and the second bent plate 522 are respectively fixed on opposite sides of the drive plate 51 in the second direction Y, and the stator 62 is disposed between the first bent plate 521 and the second bent plate 522 , so that the magnetic structure 61 is disposed opposite to the coil on the drive plate 51 .
- the first connecting part 7 and the second connecting part 8 are sequentially stacked on the side of the movable part 5 facing away from the image sensor 1 , and the first connecting part 71 is arranged on the periphery of the second connecting part 72 and fixed on the bending part 52 , the second connecting portion 72 is fixedly connected to the fourth connecting portion 82, the third connecting portion 81 is arranged on the periphery of the fourth connecting portion 82, and the third connecting portion 81 is also connected to the middle frame 42, so that the third connecting portion 81 and The stator 62 remains fixed.
- the projection of the second connecting member 8 in a direction perpendicular to the image sensor 1 is greater than the projection of the first connecting member 7 .
- Both the movable part 5 and the first connecting part 7 and between the first connecting part 7 and the second connecting part 8 can be fixed by welding or bonding.
- the bending part 52 drives the first connecting part 71 to move along the first direction X, and the second connecting part 8 is completely held by the fixing of the third connecting part 81 and the middle frame 42 fixed, the second connecting portion 72 is kept fixed by being connected with the fourth connecting portion 82, and at this time, the first elastic portion 73 is bent and deformed along the first direction X to cause a gap between the first connecting portion 71 and the second connecting portion 72 relative movement.
- the bending part 52 drives the first connecting part 7 to move along the second direction Y as a whole, and at the same time, the first connecting part 7 drives the fourth connecting part 82 along the second connecting part 72 Movement in the second direction Y, since the third connecting part 81 is fixed to the middle frame 42, at this time the second elastic part 83 bends and deforms along the second direction Y, realizing the third connection between the third connecting part 81 and the fourth connecting part 82. Relative movement in the two directions Y.
- the driving board 51 is also fixedly connected with the first circuit board 63 , when the driving board 51 moves along the first direction X or the second direction Y, the first circuit board 63 and the driving board 51 move synchronously.
- the bending part 52 on the driving plate 51 and setting the stator 62 between the first bending plate 521 and the second bending plate 522 it is beneficial to reduce the installation space of the driving assembly M, thereby reducing the optical protection.
- the size of the shaking device 40 in the third direction Z is adjusted by setting the first connecting part 7 and the second connecting part 8 in the optical anti-shaking device 40, compared to using a
- the structure of the movement of the connecting part is beneficial to reduce the size of the optical anti-shake device 40 in the first direction X and the second direction Y.
- FIG. 17 is a schematic diagram of the connection structure of the optical anti-shake device 40 in some other possible embodiments.
- the projection area of the first connecting member 7 is equal to the projected area of the second connecting member 8 .
- the first connecting piece 7 is fixed to the bending portion 52
- the second connecting piece 8 is fixed on the middle frame 42 through other fixing structures, as shown in FIG. 6 , the fixing structure may be welding material, glue, etc.
- the fixing structure can also be a connecting plate or bracket separated from the middle frame 42 , one end of which is fixedly connected to the fourth connecting portion 82 , and the other end extends to the middle frame 42 to be fixedly connected to the middle frame 42 .
- the second connecting member 8 can be accommodated inside the middle frame 42 , which is beneficial to reduce the size of the optical anti-shake device 40 . It can be understood that, in other embodiments, the size relationship between the first connecting member 7 and the second connecting member 8 can also be adjusted accordingly according to the change of the specific installation structure.
- FIG. 15 is a schematic diagram of the layered structure of the first connector 7 and the second connector 8 .
- the first connector 7 includes a first substrate 74 and a first circuit layer 75, the first circuit layer 75 can be made by depositing a metal layer on the surface of the first substrate 74, which can be copper foil, and the first circuit layer 75 A first electric trace is also provided on the top, and the first electric trace makes the first connecting part 71 , the first elastic part 73 and the second connecting part 72 electrically connected in sequence.
- the second connector 8 includes a second substrate 84 and a second circuit layer 85, the second circuit layer 85 can also be made by depositing a metal layer on the surface of the second substrate 84, and the second circuit layer 85 is provided with a second electrical trace , the second electrical traces electrically connect the fourth connecting portion 82 , the second elastic portion 83 and the third connecting portion 81 sequentially.
- the first circuit layer 75 and the second circuit layer 85 are arranged adjacent to each other, and the opposite surfaces of the first circuit layer 75 and the second circuit layer 85 are provided with soldering pads. By welding the wafer with conductive solder, the first circuit layer can be made The trace is electrically connected to the second electrical trace.
- the first substrate 74 and the second substrate 84 are used for supporting and fixing, and the first circuit layer 75 and the second circuit layer 85 are used for transmitting electrical signals to realize the electrical conductivity of the first connector 7 and the second connector 8 .
- the second electrical trace 85 can also be electrically connected to an external circuit through a gold wire connection, a wireless connection, or the like.
- the first connector 7 and the Conductive through hole K5 is provided on the adhesive material or welding material between the second connectors 8, and the inner wall surface of the conductive through hole K5 is also coated with insulating material, and by filling the conductive material in the conductive through hole K5, the first The wiring layer 75 is electrically connected to the second wiring layer 85 . After the electrical signal on the bent portion 52 is transmitted to the first substrate 74 , it is sequentially transmitted to the second electrical trace through the first electrical trace and the conductive material in the conductive via K5 , and finally to the external circuit.
- a plurality of metal pins 21 are arranged on the external circuit board 2, and the second connecting member 8 is electrically connected to the metal pins 21 on the external circuit board 2 through gold wires.
- the electrical signal on the image sensor 1 is transmitted to the driving board 51 through the first circuit board 63
- the driving board 51 transmits the electrical signal to the bending part 52
- the bending part 52 transmits the electrical signal to the first connecting part 71
- the second The electrical signal on a connecting portion 71 is transmitted to the external circuit board 2 through the first elastic portion 73 , the second connecting portion 72 , the fourth connecting portion 82 , the second elastic portion 83 and the third connecting portion 81 in sequence.
- the external circuit board 2 may also be directly connected to the second connecting member 8, so as to realize the transmission of electrical signals.
- the first connecting member 7 and the second connecting member 8 By stacking and connecting the first connecting member 7 and the second connecting member 8, and making both the first connecting member 7 and the second connecting member 8 have conductivity, they are electrically connected to the image sensor 1 through the first connecting member 7, the second The second connecting member 8 is electrically connected with the external circuit board 2 to achieve the purpose of mutual transmission of electrical signals between the image sensor 1 and the external circuit.
- the first connecting portion 71 is located at the periphery of the second connecting portion 72
- the third connecting portion 81 is located at the periphery of the fourth connecting portion 82 .
- the second connecting part 72 is located in the middle area of the first connecting part 7
- the fourth connecting part 82 is located in the middle area of the second connecting part 8.
- the first connecting part 7 and the second connecting part 8 The middle area is fixedly connected, the edge position (first connecting part 71) of the first connecting part 7 is fixedly connected with the movable part, and the edge position (third connecting part 81) of the second connecting part 8 is fixedly connected with the fixed part 6 that is to say
- the connection between the first connecting piece 7 and the second connecting piece 8 and the driving assembly M is located at the peripheral edge, and the size of the peripheral edge is larger than that of the middle area, so the reliability of the fixed connection can be improved.
- the first connecting portion 71 and the second connecting portion 72 are arranged on the same layer, and the third connecting portion 81 and the fourth connecting portion 82 are arranged on the same layer.
- the first connecting piece 7 , the bent portion 52 and the drive plate 51 jointly enclose and form an accommodating space
- the fixing piece 6 is located in the accommodating space
- the second connecting piece 8 is located away from the first connecting piece 7 .
- One side of the fixture 6. The layout of the stacking direction of this solution is beneficial to reduce the thickness of the optical anti-shake device 40, and can ensure the driving force provided by the driving component M, and improve the efficiency of the driving component M driving the image sensor 1 to move.
- FIG. 18 is a schematic diagram of a partial structure of the optical anti-shake device 40 shown in FIG. 6 in other embodiments.
- the second connection portion 72 is disposed on the periphery of the first connection portion 71
- the fourth connection portion 82 is disposed on the periphery of the third connection portion 81 .
- the first connecting portion 71 is fixedly connected to the bending portion 52
- the second connecting portion 72 is fixedly connected to the fourth connecting portion 82
- the third connecting portion 81 can be relatively fixed to the middle frame 42 or the fixing member 6 through other fixing structures.
- the driving plate 51 moves along the first direction X
- the driving plate 51 drives the first connecting portion 71 to move along the first direction X through the bending portion 52 .
- the fourth connecting portion 82 also remains fixed, and because the second connecting portion 72 and the fourth connecting portion 82 is fixedly connected, so the first connecting portion 71 and the second connecting portion 72 move relatively in the first direction X.
- the driving board 51 drives the image sensor 1 to move along the first direction X.
- the driving plate 51 moves along the second direction Y
- the driving plate 51 drives the whole piece of the first connecting member 7 to move along the second direction Y through the bending portion 52
- the second connecting portion 72 drives the third connecting portion 81 to move along the second direction Y.
- the driving board 51 drives the image sensor 1 to move along the second direction Y.
- the electrical signal on the image sensor 1 sequentially passes through the first circuit board 63, the driving board 51, the bending part 52, the first connecting part 71, the first elastic part 73, the second connecting part 72, the fourth connecting part 82,
- the second elastic part 83 and the third connecting part 81 are transmitted to the external circuit board 2 , and the third connecting part 81 and the external circuit board 2 can be electrically connected by means of wires, FPC and the like.
- FIG. 19 is a schematic structural diagram of the camera module 4001 shown in FIG. 2 in Embodiment 2.
- FIG. 20 is a schematic diagram of an exploded structure of the camera module 4001 shown in FIG. It is a schematic structural diagram of the camera module 4001 cut along line C-C shown in FIG. 19 .
- the camera module 4001 is used in a vertical imaging device, which includes a module bracket 10 , a lens 50 , an external circuit board 2 and an optical anti-shake device 40 .
- the lens 50 may include a lens barrel and a lens group installed inside the lens barrel, which is arranged on the light-incident side of the optical anti-shake device 40, and the module bracket 10 is connected to the optical anti-shake device 40 and enclosed to form a storage space G1, The lens 50 is fixedly installed in the receiving space G1.
- the module bracket 10 includes a bottom wall 103 , a top wall 101 and a side wall 102 .
- the top wall 101 and the side wall 102 are enclosed to form a structure for supporting, fixing and protecting the lens 50 .
- the top wall 101 and the side wall 102 can be integrally formed, or can be connected by bonding, welding or snapping.
- the bottom wall 103 is also stacked and connected with the optical anti-shake device 40 to install and fix the lens 50 and the optical anti-shake device 40 .
- the top wall 101 is provided with a first light hole 13, the bottom wall 103 is provided with a second light hole 14, the first light hole 13 and the second light hole 14 communicate, and the first light hole 13 and the second light through hole 14 are set opposite to the optical anti-shake device 40, so that the external light enters the lens 50 through the first light through hole 13, and the light is converged by the lens group in the lens 50 and then passes through the second through The light hole 14 shoots into the optical anti-shake device 40 .
- the external circuit board 2 is arranged on one side of the module bracket 10 for connecting with the graphics processor or central processing unit of the electronic equipment, and at the same time, the external circuit board 2 is also electrically connected with the optical anti-shake device 40 .
- the connection method can be a gold wire connection, such as by extending one end of the gold wire into the housing cavity to electrically connect with the optical anti-shake device 40, and the other end is drawn out to the outside of the module bracket 10 to be electrically connected to an external circuit, such as a main board of an electronic device. .
- other ways may also be used to realize the electrical connection between the optical anti-shake device 40 and the external circuit board 2 .
- the optical anti-shake device 40 includes a voice coil motor.
- the voice coil motor compensates the displacement of the camera module 4001 by driving the movement of the optical anti-shake device 40, thereby improving the camera module.
- the imaging quality of the group 4001 when shaking realizes the optical anti-shake function.
- the overall thickness of the optical anti-shake device 40 in the second embodiment is relatively small.
- FIG. 22 is a schematic diagram of the overall structure of the optical anti-shake device 40 shown in FIG. 20
- FIG. 23 is a schematic diagram of an exploded structure of the optical anti-shake device 40 shown in FIG.
- the optical anti-shake device 40 includes a housing 4 , a driving assembly M, an image sensor 1 , a first connection part 7 and a second connection part 8 .
- the first connecting member 7 and the second connecting member 8 are force transmission structures connected to the driving assembly M, and are also elastic structures.
- the first connecting piece 7 and the second connecting piece 8 may also arrange electrical traces for realizing electrical connection.
- the housing 4 includes a bottom plate 41 and a middle frame 42, the bottom plate 41 and the middle frame 42 are connected to form an accommodating chamber with one end open, the driving assembly M and the image sensor 1 are both arranged in the accommodating chamber, and the driving assembly M and the image sensor 1 are connected,
- the image sensor 1 is arranged on the side of the accommodating cavity close to the bottom plate 41, the bottom plate 41 is used to support and fix the driving assembly M and the image sensor 1, the middle frame 42 forms a protective effect on the driving assembly M and the image sensor 1, and the opening of the accommodating cavity is external Light enters the image sensor 1 to provide a channel.
- the optical anti-shake device 40 also includes a first circuit board 63, the first circuit board 63 may be a flexible circuit board, may also be a combination of soft and hard circuit boards, or may be an integrated circuit board formed by connecting a rigid circuit board and a flexible circuit board. circuit board.
- the first circuit board 63 is arranged on the surface of the bottom plate 41 facing the accommodating cavity, and the image sensor 1 is fixed on the first circuit board 63 and electrically connected with the first circuit board 63, and the connection method can be bonding, welding or wire contact Connection, etc., by setting the first circuit board 63 fixedly connected with the image sensor 1, and electrically connecting the image sensor 1 with the first circuit board 63, while having a fixing effect on the image sensor 1, it can also pass through the first circuit board 63.
- 63 is connected to the external circuit to transmit the electrical signal of the image sensor 1 to the external circuit.
- the driving assembly M includes a movable part 5 and a fixed part 6, please refer to FIG. 23 and FIG. 27 together.
- FIG. 27 is a schematic structural diagram of the movable part 5 shown in FIG. 23 .
- the movable part 5 includes a driving plate 51 and a bending portion 52, both of which are fixedly connected to each other, and the driving plate 51 and the bending portion 52 may be integrally formed.
- the driving board 51 is provided with a coil 53 , and the bent portion 52 is used for connecting the first connecting member 7 .
- the driving board 51 is a second circuit board, which has electrical conductivity, so as to realize the function of transmitting electrical signals.
- the drive plate 51 is a "back"-shaped structure, which includes a first side 511 and a second side 512 opposite to each other along the second direction Y, and a third side 513 and a fourth side opposite to each other along the first direction X Side 514.
- Coils 53 are provided on the first side 511 , the second side 512 , the third side 513 and the fourth side 514 , and the coils 53 on the four sides form two coil groups perpendicular to each other.
- the fixture 6 includes a magnetic structure 61 and a stator 62.
- the stator 62 is a fixed frame with the same "return" structure as the drive plate 51.
- the magnetic structure 61 is embedded in the four sides of the stator 62 to communicate with the drive plate 51.
- the coils 53 on the plate 51 are arranged opposite to each other, so as to form two sets of mutually perpendicular magnetic fields. When the coil 53 is energized, the coil 53 moves under the action of the magnetic thrust under the action of the magnetic field, and drives the driving plate 51 to move.
- the magnetic structure 61 may also be fixed on the stator 62 in other ways such as bonding or clipping.
- a coil 53 is provided on each side of the driving board 51, wherein the coils 53 on the first side 511 and the second side 512 are used to control the driving board 51 to move along the second direction Y, The coils 53 on the third side 513 and the fourth side 514 are used to control the movement of the driving board 51 in the first direction X.
- the coil 53 on the first side 511 and the second side 512 is fed with the same current, and the coil 53 on the third side 513 and the fourth side 514 is not energized, the coil 53 is driven by magnetic force
- the driving board 51 moves along the second direction Y; when the coils 53 on the first side 511 and the second side 512 are supplied with currents in opposite directions, the coils 53 on the third side 513 and the fourth side 514 are not
- the coil 53 drives the driving plate 51 to flip along the third direction Z under the action of magnetic force, wherein the third direction Z is perpendicular to the first direction X and the second direction Y; when the third side 513 and the fourth side
- the coil 53 on 514 is supplied with current in the same direction.
- the coil 53 on the first side 511 and the second side 512 is not energized, the coil 53 drives the drive plate 51 to move along the first direction X under the action of magnetic force.
- FIG. 24 is a schematic diagram of the connection structure of the first connector 7 and the second connector 8 shown in FIG. 23 in some embodiments
- FIG. 24 and FIG. 25 Both are schematic diagrams of the connection structure of the first connecting member 7 and the second connecting member 8 shown in FIG. 23 in other embodiments.
- the first connecting member 7 and the second connecting member 8 are both hollow frame structures.
- the connecting piece 7 and the second connecting piece 8 surround the light-transmitting area K6. Exemplarily, as shown in FIG. 24 , the light-transmitting area K6 is used to accommodate the image sensor 1 . As shown in FIG.
- the light-transmitting area K6 is used for accommodating optical components, such as an optical lens group 30 , and the optical components are arranged on the incident light path of the image sensor 1 .
- the space in the light transmission area K6 is the optical path between the optical element and the image sensor 1 .
- FIG. 28 is a schematic structural diagram of some embodiments of the first connecting member 7 shown in FIG. 23 .
- the first connecting part 7 includes a first connecting part 71, a second connecting part 72 and a first elastic part 73, the first elastic part 73 is arranged between the first connecting part 71 and the second connecting part 72, and connects the first connecting part part 71 and the second connecting part 72.
- the first connecting part 71 includes a first connecting piece 711, a second connecting piece 712, a third connecting piece 713 and a fourth connecting piece 714, the first connecting piece 711 and the second connecting piece 712′ are arranged oppositely, and the third connecting piece 713' is opposite to the fourth connecting piece 714'.
- the second connecting part 72 includes a fifth connecting piece 721', a sixth connecting piece 722', a seventh connecting piece 723' and an eighth connecting piece 724', and the first connecting piece 711 is located on the periphery of the fifth connecting piece 721' and is connected to the fifth connecting piece 721'.
- the fifth connecting piece 721' is arranged at intervals through the gap H1'
- the second connecting piece 712 is located on the periphery of the sixth connecting piece 722' and is spaced apart from the sixth connecting piece 722' through the gap H2'
- the third connecting piece 713 is located on the seventh connecting piece 722'.
- the connecting piece 723 ′ is spaced apart from the seventh connecting piece 723 ′ through a gap H3 ′
- the fourth connecting piece 714 is located around the eighth connecting piece 724 ′ and spaced apart from the eighth connecting piece 724 ′ through a gap H4 ′.
- the first elastic part 73 includes a first sub-elastic part 731 and a second sub-elastic part 732.
- the first sub-elastic part 731 is located between the third connecting piece 713 and the seventh connecting piece 723', and connects the third connecting piece 713 and the seventh connecting piece 723'.
- the seventh connecting piece 723 ′, the second sub elastic portion 732 is located between the fourth connecting piece 714 and the eighth connecting piece 724 ′, and connects the fourth connecting piece 714 and the eighth connecting piece 724 ′.
- the first sub-elastic part 731 includes a first spring wire, the first end 733 of the first spring wire is connected to the first connecting part 71, and its connection position is located at the position where the first connecting piece 711 is adjacent to the third connecting piece 713, and the second The end 734 ′ is connected to the sixth connecting piece 722 , and its connecting position is located at a position where the sixth connecting piece 722 is adjacent to the seventh connecting piece 723 .
- the first main body is disposed between the third connecting piece 713 and the seventh connecting piece 723, and the first main body is strip-shaped and extends along the second direction Y, which is beneficial to ensure the stability of the direction of the elastic force and the direction of the force.
- the first body includes a first section 7351 extending along the second direction Y and a second section 7352 extending along the first direction X, the first section 7351 is connected to the second section 7352, and the second section 7352 is compared with the first section 7351 Bend at right angles.
- the first spring wire By making the first spring wire include a first section 7351 and a second section 7352 connected by bending, the first section 7351 is used for elastic deformation, and the second section 7352 is used for fixing, which is beneficial to extend the first elastic part 73 in the first direction The length on the X, so as to be able to output a larger torque, and the driving efficiency is higher.
- FIG. 29 is a schematic structural diagram of the first connecting member 7 in some possible embodiments
- FIG. 30 is a schematic structural diagram of the first connecting member 7 in other possible embodiments.
- the second connecting portion 72 includes a first connecting body 726 and a first extending portion 725 , and the fifth connecting piece 721 and the sixth connecting piece 722 are taken as examples for illustration in this embodiment.
- the two first connection bodies 726 and the two first extensions 725 both extend along the first direction X, and the side where the first extensions 725 connect with the first elastic part 73 is aligned with the first direction X as shown in FIG. 26 .
- the hypotenuse inclined at an included angle may also be a side parallel to the first direction X as shown in FIG. 27 .
- the second spring wire only includes the first section 7351 , and the first extension part 725 is used to replace the rigid connection of the second section 7352 . It can be understood that, in other embodiments, the number and shape of the first extension portion 725 can be designed according to actual needs.
- FIG. 31 is a schematic structural diagram of the second connecting member 8 shown in FIG. 23 in some embodiments.
- the second connecting part 8 is disposed between the first connecting part 7 and the movable part 5 .
- the second connecting part 8 includes a third connecting part 81, a fourth connecting part 82 and a second elastic part 83. Both the third connecting part 81 and the fourth connecting part 82 are closed at the outer edge, hollowed out in the middle, and the second elastic
- the portion 83 is provided between the third connection portion 81 and the fourth connection portion 82 and connects the third connection portion 81 and the fourth connection portion 82 .
- the second elastic part 83 includes a third sub-elastic part 831 and a fourth sub-elastic part 832, the first segment 8311 of the third sub-elastic part 831 extends along the first direction X, the second segment 8312 extends along the second direction Y, and the second segment 8312 extends along the second direction Y.
- the third sub-elastic part 831 and the fourth sub-elastic part 832 are symmetrically disposed on both sides of the fourth connecting part 82 along the second direction Y.
- the structures of the third sub-elastic portion 831 and the fourth sub-elastic portion 832 are the same as those of the first elastic portion 73 , which can be referred to and will not be repeated here.
- the first segment 8311 is elastically deformed in the second direction Y
- the second segment 8312 is rigid in the second direction Y, so that the fourth connecting part 82 It moves relative to the third connecting portion 81 along the second direction Y.
- the third connecting part 81 and the fourth connecting part can be The interaction force between 82 is more uniform and symmetrical, so that the relative movement between the third connecting part 81 and the fourth connecting part 82 is more balanced.
- the fourth connection part 82 may also include a second connection body and a second extension part, the number and structure of which can be set with reference to the number and structure of the first connection body and the first extension part of the first connection part 7 .
- FIG. 32 is a schematic structural diagram of FIG. 22 taken along D-D
- FIG. 33 is a schematic structural diagram of FIG. 22 taken along E-E.
- the second connecting piece 8 is stacked with the first connecting piece 7.
- the movable piece 5 includes a bent portion 52.
- the bent portion 52 extends from the drive plate 51 toward the side where the first connecting piece 7 is located.
- There are two bent portions 52. the two bent parts 52 are arranged symmetrically on both sides of the drive plate 51 along the second direction Y, the first connecting piece 7 is connected to the bent parts 52 and encloses to form a receiving chamber with two ends open, and the two openings are arranged at Two sides of the driving plate 51 along the first direction X.
- the second connecting piece 8 is arranged in the receiving chamber, and is connected with the middle frame 42 through the openings at both ends of the receiving chamber.
- the first connecting part 7, the bending part 52 and the driving plate 51 jointly enclose to form an accommodating space
- the second connecting part 8 is arranged in the accommodating space
- the fixing part 6 is located on the driving plate 51 The side facing away from the second connecting piece 8 .
- the fixing piece 6 is located on the side of the drive board 51 away from the second connecting piece 8, which can also achieve a more compact structure of the optical anti-shake device, which is conducive to reducing
- the overall volume of the small optical image stabilization device is aimed at.
- the first connection portion 71 is disposed on the periphery of the second connection portion 72
- the third connection portion 81 is disposed on the periphery of the fourth connection portion 82 .
- the first connecting portion 71 is fixedly connected to the bending portion 213
- the second connecting portion 72 is fixedly connected to the fourth connecting portion 82
- the third connecting portion 81 is fixedly connected to the middle frame 42 .
- the bending part 213 drives the first connecting part 71 to move along the first direction X, because the second elastic part 83 is rigid in the first direction X, and the third connecting part 81 It is fixed to the middle frame 42, so the second connecting member 8 remains fixed as a whole, and the second connecting part 72 is fixedly connected to the fourth connecting part 82 to keep fixed.
- the first elastic part 73 deforms along the first direction X, and the second connecting part 73
- the first connecting part 71 and the second connecting part 72 move relative to each other in the first direction X.
- the bending part 213 drives the first connecting part 71 to move along the second direction Y.
- the bending part 213 drives The whole piece of the first connecting member 73 moves along the second direction Y.
- the second connecting part 72 drives the fourth connecting part 82 to move along the second direction Y.
- the third connecting portion 81 is relatively fixedly connected to the fixing member 6
- the second elastic portion 83 deforms along the second direction Y at this time, so that the fourth connecting portion 82 and the third connecting portion 81 move relatively in the second direction Y.
- the side of the first connecting part 7 facing away from the driving board 51 is fixedly connected to the first circuit board 63.
- the driving board 51 drives the first connecting part 71 to move
- the first connecting part 71 drives the first circuit board 63 to move synchronously. , so as to achieve the purpose of moving the image sensor 1 .
- connection part 72 can also be arranged on the periphery of the first connection part 71
- fourth connection part 82 can be arranged on the periphery of the third connection part 81.
- FIG. 34 is a schematic diagram of a partial structure of the optical anti-shake device 40 shown in FIG. 22 in some embodiments.
- the first connector 7 includes a first substrate 74, a first circuit layer 75 and a third circuit layer 76, the first circuit layer 75 and the third circuit layer 76 are respectively arranged on two opposite surfaces of the first substrate 74, and The first circuit layer 75 is provided with a first electrical trace, and the third circuit layer 76 is provided with a second electrical trace.
- a conductive through hole K5 is opened on the first substrate 74. The conductive through hole K5 runs through the first circuit layer 75, the first substrate 74 and the third circuit layer 76.
- An insulating layer is coated in the conductive through hole K5 and then filled with a conductive material. , the insulating layer is used to insulate the conductive material from the first substrate 74 , and the conductive material is used to realize the electrical connection between the first circuit layer 75 and the third circuit layer 76 .
- the electrical signal of the image sensor 1 is transmitted to the fourth connection part 82 through the first circuit board 63, the movable part 5, the first circuit layer 75 and the third circuit layer 76 in sequence, and then passes through the second elastic part 83 and the third connection part in sequence. 81 to the external circuit.
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Abstract
Description
Claims (25)
- 一种光学防抖装置,其特征在于,包括:图像传感器;驱动组件,包括能够相对移动的固定件和活动件,所述活动件与所述图像传感器固定连接,所述固定件和所述活动件配合用于带动所述图像传感器沿第一方向和第二方向移动,所述第一方向和所述第二方向呈夹角设置;第一连接件,包括第一连接部、第二连接部和第一弹性部,所述第一弹性部连接在第一连接部和第二连接部之间,所述第一弹性部用于实现所述第一连接部和所述第二连接部之间沿所述第一方向的相对移动,所述第一连接部与所述活动件固定连接;第二连接件,与所述第一连接件层叠设置,所述第二连接件包括第三连接部、第四连接部和第二弹性部,所述第二弹性部连接在所述第三连接部和所述第四连接部之间,所述第二弹性部用于实现所述第三连接部和所述第四连接部之间沿所述第二方向的相对移动,所述第三连接部与所述固定件固定连接,所述第四连接部与所述第二连接部固定连接。
- 如权利要求1所述的光学防抖装置,其特征在于,所述第一连接部位于所述第二连接部的外围,所述第三连接部位于所述第四连接部的外围。
- 如权利要求1所述的光学防抖装置,其特征在于,所述第二连接部位于所述第一连接部的外围,所述第四连接部位于所述第三连接部的外围。
- 如权利要求1-3任一项所述的光学防抖装置,其特征在于,所述第一弹性部包括至少一条第一簧丝,所述第一簧丝包括与所述第一连接部相连的第一端、与所述第二连接部相连的第二端及连接在所述第一端和所述第二端之间的第一主体,所述第一主体与所述第一连接部和所述第二连接部之间均通过间隙间隔设置,所述第一主体在所述第二方向上延伸的距离大于等于所述图像传感器在所述第二方向上延伸的距离。
- 如权利要求4所述的光学防抖装置,其特征在于,所述第一主体包括第一段和第二段,所述第二段相较所述第一段弯折延伸,所述第一端为所述第一段远离所述第二段的端部,所述第二端为所述第二段远离的述第一段的端部,所述第一段沿所述第二方向延伸。
- 如权利要求4所述的光学防抖装置,其特征在于,所述第一主体呈直条状且沿所述第二方向延伸,所述第一主体的两端分别连接所述第二连接部和所述第一连接部。
- 如权利要求2所述的光学防抖装置,其特征在于,所述第一弹性部的数量为两个,两个所述第一弹性部在所述第一方向上分别设置在所述第二连接部的两侧。
- 如权利要求7所述的光学防抖装置,其特征在于,所述第二连接部的外边缘包括依次连接呈封闭框形的第一边、第二边、第三边和第四边,所述第一边和所述第二边相对设置,所述第三边和所述第四边相对设置;所述第一连接部包括第一连接片和第二连接片,所述第一连 接片位于所述第一边的外围且与所述第一边之间通过间隙间隔设置,所述第二连接片位于所述第三边的外围且与所述第三边通过间隙间隔设置,其中一个所述第一弹性部位于所述第三边的外围且连接在所述第二连接片和所述第二连接部之间,另一个所述第一弹性部位于所述第四边的外围且连接在所述第一连接片和所述第二连接部之间。
- 如权利要求8所述的光学防抖装置,其特征在于,其中一个所述第一弹性部与所述第二连接部连接的位置位于所述第三边上邻近所述第一边的位置,另一个所述第一弹性部与所述第二连接部连接的位置位于所述第四边上邻近所述第二边的位置。
- 如权利要求8所述的光学防抖装置,其特征在于,所述第一连接片和所述第二连接片之间的区域包括沿所述第一方向相邻设置的第一区域和第二区域,所述第二连接部和两个所述第一弹性部位于所述第一区域,所述第二区域用于容纳光学件,所述光学件用于将入射光传送至所述图像传感器。
- 如权利要求10所述的光学防抖装置,其特征在于,所述光学件为转光件,所述光学件用于将所述入射光反射至所述图像传感器。
- 如权利要求10所述的光学防抖装置,其特征在于,所述第三连接部包围的区域包括沿所述第一方向相邻设置的第三区域和第四区域,所述第四连接部包括第二连接主体和第二延伸部,所述第二连接主体与所述第二连接部层叠设置且固定连接,所述第二连接主体位于所述第三区域,部分所述第二延伸部位于所述第四区域,部分所述第二弹性部位于所述第三区域,部分所述第二弹性部位于所述第四区域,所述第四区域与所述第二区域在层叠方向上相对设置。
- 如权利要求12所述的光学防抖装置,其特征在于,所述第三连接部呈未封闭的框形结构,所述第三连接部包括缺口,在所述第一方向上,所述第四区域排布在所述缺口和所述第三区域之间。
- 如权利要求7所述的光学防抖装置,其特征在于,所述第一连接件和所述第二连接件均为中空的框形结构,所述第一连接件和所述第二连接件围设透光区,所述第一连接部、所述第一弹性部和所述第二连接部位于所述透光区的外围,所述第三连接部、所述第二弹性部和所述第四连接部位于所述透光区的外围,所述透光区用于容纳所述图像传感器。
- 如权利要求7所述的光学防抖装置,其特征在于,所述第一连接件和所述第二连接件均为中空的框形结构,所述第一连接件和所述第二连接件围设透光区,所述第一连接部、所述第一弹性部和所述第二连接部位于所述透光区的外围,所述第三连接部、所述第二弹性部和所述第四连接部位于所述透光区的外围,所述透光区用于容纳光学件,所述光学件设于所述图像传感器的入射光路上。
- 如权利要求7所述的光学防抖装置,其特征在于,所述第一连接件和所述第二连接件均为中空的框形结构,所述第一连接件和所述第二连接件围设透光区,所述第一连接部、所述 第一弹性部和所述第二连接部位于所述透光区的外围,所述第三连接部、所述第二弹性部和所述第四连接部位于所述透光区的外围,所述透光区内的空间为所述光学件和所述图像传感器之间的光路。
- 如权利要求1-16任一项所述的光学防抖装置,其特征在于,所述第一连接件包括第一电迹线,所述第一电迹线使得所述第一连接部、所述第一弹性部和所述第二连接部依次电连接,所述第二连接件包括第二电迹线,所述第二电迹线使得所述第四连接部、所述第二弹性部和所述第三连接部依次电连接,所述第一连接部与所述图像传感器电连接,所述第一电迹线和所述第二电迹线电连接,所述第三连接部用于与外部电路板电连接。
- 如权利要求17所述的光学防抖装置,其特征在于,所述第一连接件包括层叠设置的第一基板和第一线路层,所述第一电迹线设置于所述第一线路层;所述第二连接件包括层叠设置的第二基板和第二线路层,所述第二电迹线设置于所述第二线路层,所述第一基板和所述二基板邻近设置且固定连接。
- 如权利要求17所述的光学防抖装置,其特征在于,所述第一连接件包括层叠设置的第一基板和第一线路层,所述第一电迹线设置于所述第一线路层;所述第二连接件包括层叠设置的第二基板和第二线路层,所述第二电迹线设置于所述第二线路层,所述第一线路层和所述二线路层邻近设置且固定连接。
- 如权利要求17-19任一项所述的光学防抖装置,其特征在于,所述活动件设有线圈,所述固定件设有磁性结构,所述磁性结构与所述线圈相对设置,所述线圈通电并与所述磁性结构配合,以驱动所述图像传感器沿所述第一方向或所述第二方向移动。
- 如权利要求20所述的光学防抖装置,其特征在于,所述活动件包括驱动板和弯折部,所述线圈设置在所述驱动板上,所述弯折部连接至所述驱动板上一对相对设置的边缘位置,所述第一连接件和所述弯折部的远离所述驱动板的边缘固定连接。
- 如权利要求21所述的光学防抖装置,其特征在于,所述第一连接件、所述弯折部和所述驱动板共同围合形成容纳空间,所述固定件位于所述容纳空间中,所述第二连接件位于所述第一连接件背离所述固定件的一侧。
- 如权利要求21所述的光学防抖装置,其特征在于,所述第一连接件、所述弯折部和所述驱动板共同围合形成容纳空间,所述第二连接件设置于所述容纳空间中,所述固定件位于所述驱动板背离所述第二连接件的一侧。
- 一种摄像头模组,其特征在于,包括模组支架、镜头组件和如权利要求1-23任一项所述的光学防抖装置,所述镜头和所述光学防抖装置均安装在所述模组支架内。
- 一种电子设备,其特征在于,包括处理器和如权利要求24所述的摄像头模组,所述处理器与所述摄像头模组电连接,所述处理器用于对所述图像传感器输出的图像信号进行处理。
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EP22886009.4A EP4403981A1 (en) | 2021-10-30 | 2022-10-26 | Optical anti-shake unit, camera module, and electronic device |
CN202280073194.0A CN118159895A (zh) | 2021-10-30 | 2022-10-26 | 光学防抖装置、摄像头模组及电子设备 |
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CN202111278481.9 | 2021-10-30 | ||
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007128016A (ja) * | 2005-10-07 | 2007-05-24 | Pentax Corp | 像振れ補正装置 |
US20130136437A1 (en) * | 2011-11-28 | 2013-05-30 | Nidec Sankyo Corporation | Optical unit with shake correcting function |
CN204129404U (zh) * | 2014-09-30 | 2015-01-28 | 佛山华永科技有限公司 | 相机抖动补正装置 |
CN111355872A (zh) * | 2018-12-24 | 2020-06-30 | 华为技术有限公司 | 摄像模组、防抖组件及终端 |
CN214544530U (zh) * | 2020-11-23 | 2021-10-29 | 格科微电子(上海)有限公司 | 光学防抖装置、电子设备 |
-
2021
- 2021-10-30 CN CN202111278481.9A patent/CN116095444A/zh active Pending
-
2022
- 2022-10-26 WO PCT/CN2022/127622 patent/WO2023072133A1/zh active Application Filing
- 2022-10-26 CN CN202280073194.0A patent/CN118159895A/zh active Pending
- 2022-10-26 EP EP22886009.4A patent/EP4403981A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007128016A (ja) * | 2005-10-07 | 2007-05-24 | Pentax Corp | 像振れ補正装置 |
US20130136437A1 (en) * | 2011-11-28 | 2013-05-30 | Nidec Sankyo Corporation | Optical unit with shake correcting function |
CN204129404U (zh) * | 2014-09-30 | 2015-01-28 | 佛山华永科技有限公司 | 相机抖动补正装置 |
CN111355872A (zh) * | 2018-12-24 | 2020-06-30 | 华为技术有限公司 | 摄像模组、防抖组件及终端 |
CN214544530U (zh) * | 2020-11-23 | 2021-10-29 | 格科微电子(上海)有限公司 | 光学防抖装置、电子设备 |
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EP4403981A1 (en) | 2024-07-24 |
CN118159895A (zh) | 2024-06-07 |
CN116095444A (zh) | 2023-05-09 |
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