WO2023036295A1 - 用于摄像模组的线路板及相应的摄像模组 - Google Patents
用于摄像模组的线路板及相应的摄像模组 Download PDFInfo
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- WO2023036295A1 WO2023036295A1 PCT/CN2022/118119 CN2022118119W WO2023036295A1 WO 2023036295 A1 WO2023036295 A1 WO 2023036295A1 CN 2022118119 W CN2022118119 W CN 2022118119W WO 2023036295 A1 WO2023036295 A1 WO 2023036295A1
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- Prior art keywords
- circuit board
- hard
- camera module
- connection
- plate
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Images
Classifications
-
- 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
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/147—Structural association of two or more printed circuits at least one of the printed circuits being bent or folded, e.g. by using a flexible printed circuit
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10121—Optical component, e.g. opto-electronic component
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
- H05K2201/2009—Reinforced areas, e.g. for a specific part of a flexible printed circuit
Definitions
- the present invention relates to the technical field of camera modules, in particular, the present invention relates to a circuit board for a camera module and a corresponding camera module, wherein the present invention improves the structure, position and assembly method of the circuit board .
- the mobile phone camera module is one of the important components of smart equipment, and its application range and application volume in the market continue to grow. With the advancement of technology, intelligence is being advocated in both work and life, and one of the important prerequisites for realizing intelligence is to be able to achieve good interaction with the external environment. One of the important ways to achieve good interaction is visual perception. Perception is mainly dependent on the camera module. It can be said that the camera module has changed from an obscure smart equipment accessory to one of the key components of smart equipment.
- the applicant proposed a dual OIS motor (OIS is an English abbreviation for optical image stabilization, sometimes also called optical image stabilization)
- the motor has two parts, one of which is used to drive the optical lens to move , and the other part is used to drive the photosensitive chip to move, and at the same time drive the optical lens and the photosensitive chip to move, which can achieve better anti-shake effect.
- OIS optical image stabilization
- the photosensitive chip is attached to the circuit board, and the connection strip on the circuit board will cause relatively large resistance to the movement of the photosensitive chip.
- the circuit board is usually a rigid-flex board, wherein the hard board part is the main part of the circuit board, and the soft board part is drawn from the side of the main part to form a connecting strip, and the end of the connecting strip (i.e. The free end) can be provided with a connector for plugging in with the mainboard of the mobile phone.
- the connector at the end of the connecting band can be pin array, and a corresponding socket-shaped connector is set on the main board of the mobile phone, and the electrical connection between the circuit board of the camera module and the main board of the mobile phone is realized by plugging the pins and the socket.
- One end of the connecting strip of the above-mentioned traditional circuit board is fixed on the main board of the mobile phone.
- the main body of the circuit board will also move accordingly, while the connecting strip on the side will be pulled by the connector end, thus forming Greater resistance.
- the resistance of the connecting belt will cause the optical actuator to provide a greater driving force, which is not conducive to the miniaturization of the camera module.
- the resistance of the connecting strap is irregular and may also cause the accuracy of the anti-shake movement to decrease.
- the dual OIS motor has a more complex motor structure, resulting in an increase in the wiring area required for the circuit board. If the traditional stacking of more PCB board levels is used to increase the wiring area, the height of the camera module will increase.
- the applicant proposes a solution in which the side connection strips are respectively drawn out on two symmetrical sides of the main body of the circuit board to overcome the above-mentioned defects.
- the surfaces of the two side connecting strips are approximately perpendicular to the surface of the main body of the circuit board, and the side connecting strips and the main body of the circuit board form a bent portion through an upwardly bent soft board, and the side connecting strips can be suspended on the optical actuator on the fixed part.
- This new circuit board design solution can reduce the resistance brought by the connection belt used to connect the main board of the mobile phone to the movement of the main body of the circuit board.
- this brand-new circuit board structure still has many problems such as low yield rate and insufficient production efficiency during actual assembly.
- the circuit board structure can be designed to be more suitable for automatic production, and the production efficiency can be improved through automatic production.
- Another example is to improve the shape of the camera module and its circuit board structure by analyzing and finding the main reasons that affect the yield rate of the camera module, and finally improve the yield rate of the camera module product.
- the height direction of the camera module is usually the thickness direction of electronic devices such as mobile phones, so the height of the camera module directly affects the thickness of the mobile phone or other electronic devices equipped with the camera module.
- the optical actuator needs to be equipped with a chip anti-shake part and a lens anti-shake part at the same time, it may occupy a large space in the height direction. Therefore, there is an urgent need for a solution capable of reducing the height of the camera module.
- the purpose of the present invention is to overcome the deficiencies of the prior art and provide a circuit board and camera module solution that can reduce the movement resistance of the circuit board main body and the photosensitive chip, have a high yield rate and high production efficiency.
- the present invention provides a circuit board for a camera module, which includes a main body of the circuit board and at least two side connecting strips.
- the main body of the circuit board has a surface perpendicular to the optical axis of the camera module and a plurality of side surfaces parallel to the optical axis.
- the side connecting strips are led out from the side of the main body of the circuit board and bent upwards, and extend on the side of the camera module after bending to form the main body of the side connecting strips; the side connecting strips have a hard plate , in the at least two lateral connection strips, the outer surface of the rigid plate of one of the lateral connection strips has a plurality of solder pads, and the other hard plate of the lateral connection strip has a plurality of conductive channels.
- the two hard plates of the lateral connecting strips are arranged overlappingly; the soldering medium is attached to the side wall of the conductive via hole and contacts the pad through the conductive via hole.
- the multiple sides include a first side, a second side opposite to the first side, a third side adjacent to the first side, and a fourth side opposite to the third side.
- the side connection belt includes: a first connection belt, which includes a first connection belt soft board and a first connection belt hard board, and the first connection belt soft board is led out from the first side of the circuit board main body and bend upwards, then extend along the first side, and then bend to the third side, the first connection with a hard plate is located on the third side and the first connection with a hard plate is on the side It is connected with the soft plate of the first connecting band, the surface of the hard plate of the first connecting band is parallel to the optical axis; and the second connecting band comprises a soft plate of the second connecting band and a hard plate of the second connecting band,
- the second connecting flexible board is led out from the second side of the main body of the circuit board and bent upwards, then extends along the second side, and then bends to the third side, the second The hard plate of the connecting band is located on
- the hard plate of the first connecting band and the hard plate of the second connecting band are bonded by an adhesive medium; the inner surface of the hard plate of the first connecting band and the outer surface of the hard plate of the second connecting band There is a gap of no more than 100 ⁇ m between them.
- the soldering medium enters the conductive via in the form of a jet stream in a molten state and adheres to the sidewall of the conductive via, and the soldering medium passes through the conductive via and contacts the solder disc; and said soldering medium, after solidification, constitutes a connector spanning the gap between the inner surface of said first connecting strip hard plate and the outer surface of said second connecting strip hard plate; said soldering medium and said conductive Pores remain between part of the walls of the through-holes.
- a metal layer is attached to the hole wall of the conductive through hole, and the metal layer is a metal plating layer.
- the metal layer is an annular metal layer.
- the metal layer is attached to a part of the hole wall of the conductive via hole to form an unclosed metal layer.
- the unclosed metal layers of all the conductive vias are arranged on the same side of the conductive vias.
- the arc-shaped metal layers of all the conductive vias are arranged on the lower side of the conductive vias.
- soldering medium is tin or tin-containing soldering material.
- the circuit board further includes a third connection strip drawn from the lower side of the hard plate of the first connection strip and bent outward, the surface of the third connection strip is perpendicular to the optical axis, and
- the free end of the third connection belt has a connector, and the connector is suitable for plugging into the main board of the electronic equipment carrying the camera module.
- a camera module which includes: an outer frame, an optical lens accommodated in the outer frame, an optical actuator, a photosensitive chip, and any of the aforementioned solutions.
- a circuit board wherein, the photosensitive chip is fixed to the circuit board main body of the circuit board, and the optical actuator is suitable for driving the optical lens and/or the photosensitive chip to move; the optical actuation
- the actuator includes an actuator fixing part, and the lateral connecting band is disposed in a gap between the outer frame and the actuator fixing part.
- the photosensitive chip is attached to the upper surface of the main body of the circuit board; an annular base is arranged on the upper surface of the circuit board, the annular base surrounds the photosensitive chip, and the top surface of the annular base is installed on
- the optical filter, the optical filter, the annular base and the main body of the circuit board form a closed cavity, and the photosensitive chip is packaged in the closed cavity.
- the center of the main body of the circuit board has a central through hole, a reinforcing plate is attached to the lower surface of the main body of the circuit board, the photosensitive chip is attached to the upper surface of the reinforcing plate and the photosensitive chip is placed In the central through hole;
- the upper surface of the main body of the circuit board is provided with an annular base, the annular base surrounds the photosensitive chip, the top surface of the annular base is installed on a filter, the filter, the The annular base, the main body of the circuit board and the reinforcing plate form a closed cavity, and the photosensitive chip is packaged in the closed cavity.
- the optical actuator also includes a chip anti-shake movable part
- the photosensitive package composed of the circuit board main body, the optical filter, the ring base, and the photosensitive chip is fixed on the chip anti-shake a movable part
- the photosensitive package is adapted to move relative to the fixed part of the actuator driven by the chip anti-shake movable part, the first connection with a hard plate and the second connection with a hard plate
- the plates are all directly or indirectly fixed to the actuator fixing part.
- the optical actuator also includes a chip anti-shake movable part, and the photosensitive package composed of the circuit board main body, the optical filter, the annular base, the reinforcing plate and the photosensitive chip is fixed.
- the photosensitive package is suitable for moving relative to the fixed part of the actuator driven by the movable part of the chip anti-shake, and the first connecting belt hard plate and the The hard plates of the second connection belt are directly or indirectly fixed to the actuator fixing part.
- the optical actuator further includes a lens driving movable part, the optical lens is mounted on the lens driving movable part, and is adapted to be driven by the lens driving movable part relative to the actuating The fixed part of the device moves.
- the outer surface of the fixed part of the actuator has a protruding column protruding outward
- the hard plate of the side connecting belt has a hanging hole, and the protruding column passes through the hanging hole so that the The side connecting strap is suspended from the actuator fixing part.
- the main body of the circuit board of the camera module has a plurality of side connecting strips drawn from different sides, and these side connecting strips are closed on the side of the camera module, and the hard side of the side connecting strips
- the board can be suspended from the actuator fixing part (the actuator fixing part can include the chip anti-shake fixing part and the lens driving fixing part fixed together), this design can significantly reduce the movement of the main body of the circuit board caused by the connection belt.
- the resistance is especially suitable for camera modules with chip anti-shake function.
- an innovative non-inserting method is used to realize the electrical connection at the closure of the side connection belt, so as to prevent the optical actuator or optical element from being squeezed laterally during the insertion process and causing the camera The image quality of the module is degraded.
- the welding medium can be injected from the outside in the form of a high-temperature jet and pass through the conductive through hole. After cooling, the welding medium can be attached to the The side wall of the conductive via hole passes through the conductive via hole and contacts the pad, so as to realize the electrical connection of the two side connecting strips on the side in a non-inserting manner.
- the side close to the optical axis of the camera module is the inner side
- the side away from the optical axis is the outer side.
- the conductive through hole can be arranged with a conductive layer that is easy to fuse with the welding medium only on a part of the hole wall, so that the welding medium can only adhere to a part of the wall of the conductive through hole segment, while the rest of the segment leaves a gap to observe whether the soldering medium is in contact with the pad from the outside through the gap, thereby helping to improve the yield.
- double-sided adhesives may be used to bond the two rigid boards with side connecting belts, and there may be a gap of less than 100 ⁇ m between the two rigid boards.
- the soldering medium does not block the conductive via, and on at least one section of the wall of the conductive via, the soldering medium does not connect the wall of the conductive via. In this way, that is, the soldering medium does not block the conductive via hole, so that the bonding pad of the inner hard board can be exposed to the outside world, thereby providing an observation channel for the state of the bonding pad.
- the operator can observe with the naked eye whether the soldering medium is effectively in contact with the pad, and if it fails to contact the pad, it can be judged as a defective product (NG product).
- the image of the pad area can be taken through the gap between the wall of the conductive via hole and the welding medium through the shooting device arranged on the outside, and the welding medium can be automatically identified based on the AI algorithm. Touch the pad, and then take measures to improve the yield rate.
- the circuit board structure of the camera module has at least two side hard boards, and these side hard boards are electrically connected based on a conductive via-pad structure.
- this new connection method can avoid lateral extrusion of the optical actuator or optical element during the plug-in process, which will cause the image quality of the camera module to deteriorate.
- the circuit board structure can be arranged not only under the photosensitive chip, but also in the space around the optical lens, optical actuator and photosensitive component.
- part of the circuit The board structure can be arranged in the gap between the actuator fixing part and the outer frame, so that the wiring area of the circuit board structure can be increased without increasing the height of the camera module.
- the welding medium can be injected from the outside in the form of a high-temperature jet and pass through the conductive through hole. After cooling, the welding medium can be attached to the The side wall of the conductive via hole passes through the conductive via hole and contacts the pad, so as to realize the electrical connection of the two side connecting strips on the side in a non-inserting manner.
- the side close to the optical axis of the camera module is the inner side
- the side away from the optical axis is the outer side.
- Some embodiments of the present application improve the connection structure between the circuit board of the photosensitive component and the motor (optical actuator) pin, and improve the traditional pad-stitch type welding structure into an underside recess-stitch type welding structure, Therefore, the space in the height direction of the module occupied by the motor pin welding structure is reduced, thereby reducing the height of the camera module.
- the optical actuator of the dual OIS camera module has two sets of anti-shake structures, the chip anti-shake part and the lens anti-shake part.
- the chip anti-shake part is usually It needs to be placed very close to the photosensitive chip, so by setting an undercut on the side of the circuit board, the motor pins can be avoided, thereby effectively reducing the space occupied by the motor pin soldering structure in the height direction of the module. space.
- the undercut-stitch welding structure can be used in conjunction with the suspended circuit board structure.
- the surface of the main body of the circuit board is perpendicular to the optical axis of the camera module, and the circuit board
- the suspension part may include one or more hard plates, the surfaces of which are parallel to the optical axis of the camera module and suspended from the fixing part of the optical actuator.
- the two symmetrical sides (such as the first side and the second side) of the main body of the circuit board can respectively lead out the soft board and bend upwards to form two connection strips, and the end of the connection strip can be provided with the hard board to form the
- the suspension part of the circuit board, the hard board of the suspension part can be arranged on the third side.
- a plurality of hard boards can be overlapped on the third side and electrically connected through a conductive via-pad structure.
- the undercut-stitch type soldering structure in the present application can be provided on the fourth side of the main body of the circuit board, that is, the side opposite to the third side. This design efficiently and reasonably utilizes the space on the four sides of the main body of the circuit board, thereby making the internal layout of the camera module more compact and contributing to the miniaturization of the camera module.
- the bottom plate may be provided with a pin avoidance hole directly under the side recess , so as to prevent the welding medium flowing to the bottom of the motor pin under the action of gravity from contacting the bottom plate, thereby avoiding the problem of defective products caused by short circuit.
- the motor pins can be arranged obliquely, thereby reducing the dimension in the height direction occupied by the motor pins, thereby reducing the height of the camera module.
- a reinforcing board is attached to the bottom surface of the main body of the circuit board, and the side-mounted
- the flexible board bending part of the connection belt further reduces the movement resistance of the main body of the circuit board, further reduces the driving force required for the movement of the photosensitive component, and improves the driving precision.
- Fig. 1 shows a three-dimensional exploded view of a camera module according to an embodiment of the present application
- Fig. 2 shows a schematic perspective view of a camera module according to an embodiment of the present application
- Fig. 3 shows a perspective view of the chip driving part of the optical actuator in one embodiment of the present application
- FIG. 4 shows a schematic perspective view of the lens driving part of the optical actuator in one embodiment of the present application
- FIG. 5 shows a schematic perspective view of an optical actuator in an embodiment of the present application
- Fig. 6 shows a schematic diagram of an optical actuator in an embodiment of the present application at a downward viewing angle
- FIG. 7 shows a perspective view of a suspended circuit board and a photosensitive chip mounted thereon in one embodiment of the present application
- Fig. 8 shows a three-dimensional cross-sectional view of a suspended circuit board and a photosensitive chip mounted thereon in one embodiment of the present application
- FIG. 9 shows a schematic top view of a suspended circuit board and a photosensitive chip mounted thereon in one embodiment of the present application.
- Fig. 10 shows a schematic top view of a suspended circuit board in a flattened state in one embodiment of the present application
- Figure 11 shows a perspective view of the camera module in one embodiment of the present application after removing the outer frame; in this figure, the positional relationship between the suspended circuit board and the optical actuator inside the outer frame is revealed;
- Figure 12a shows a schematic diagram of the electrical connection of the inner and outer hard boards with a ring-shaped metal layer in the conductive via hole in one embodiment of the present application
- Fig. 12b shows a schematic diagram of the electrical connection of the inner and outer hard boards with conductive vias having no closed metal layer in another embodiment of the present application
- Fig. 12c shows a schematic diagram of a hard board with conductive vias that do not close the metal layer in another embodiment of the present application
- Fig. 13 shows a schematic top view of a suspended circuit board attached with a reinforcement board in a flattened state in one embodiment of the present application
- Fig. 14 shows a schematic side view of the reinforcing plate and the suspended circuit board in a bent state in one embodiment of the present application
- Fig. 15 shows a three-dimensional schematic view of the reinforcing plate and the suspended circuit board in a bent state in one embodiment of the present application
- Fig. 16 shows a schematic perspective view of a camera module with a circuit board having an undercut in an embodiment of the present application
- Fig. 17 shows a partial schematic diagram of the electric connection between the side recess of the circuit board and the conductive pin of the optical actuator in one embodiment of the present application;
- Fig. 18 shows a schematic perspective view of a camera module with an outer frame in one embodiment of the present application
- Fig. 19 shows a schematic perspective view of a camera module with a frame cover added in one embodiment of the present application
- Figure 20 shows the positional relationship between the frame bottom plate and the suspended circuit board in one embodiment of the present application
- Fig. 21 shows the positional relationship of the conductive cloth, the frame bottom plate and the suspended circuit board in one embodiment of the present application.
- first, second, etc. are only used to distinguish one feature from another, and do not represent any limitation on the features. Accordingly, a first body discussed hereinafter may also be referred to as a second body without departing from the teachings of the present application.
- a camera module 1 which includes a photosensitive component 30, an optical lens 10 held on the photosensitive path of the photosensitive component 30, and used to drive the The driving assembly 20 for moving the photosensitive assembly 30, and the outer frame 40 for packaging.
- the bottom surface of the driving assembly 20 is fixedly connected with the photosensitive assembly 30 to drive the photosensitive assembly 30 to move.
- the optical lens 10 provides a light passage for the optical lens 10 , allowing the light refracted by the optical lens 10 to pass through and enter the photosensitive component 30 .
- the outer frame 40 encapsulates the driving assembly 20 and the photosensitive assembly 30 therein, and provides a fixed position for the driving assembly 20 to fix the driving assembly 20, so that the photosensitive assembly 30 is suspended Inside the outer frame 40 .
- the optical lens 10 is held on the photosensitive path of the photosensitive component 30 to collect external imaging light.
- the optical lens 10 includes a lens barrel 11 and a lens group 12 installed in the lens barrel 11, the lens group 12 includes at least one optical lens, and the number of the at least one optical lens is not limited .
- the driving assembly 20 includes a chip driving part 21, and the chip driving part 21 includes a chip anti-shake part 211, and the chip anti-shake part 211 is suitable for driving the photosensitive component 30 to translate and move in the X-axis and Y-axis directions. /or rotate around the Z-axis direction to achieve translation and/or rotation stabilization of the photosensitive assembly 30; or, the chip anti-shake part 211 is adapted to drive the photosensitive assembly 30 in the Rotate in the Y direction to realize tilting and anti-shake of the photosensitive assembly 30 .
- the X-axis direction and the Y-axis direction are perpendicular to each other, and the Z-axis direction is perpendicular to the plane where the X-axis direction and the Y-axis direction are located, in other words, the X-axis , Y axis and Z axis constitute a three-dimensional coordinate system.
- the chip anti-shake part 211 includes a chip anti-shake fixed part 2111, a chip anti-shake movable part 2112 and a driving element for driving the chip anti-shake movable part 2112 to move relative to the chip anti-shake fixed part 2111,
- the driving element is connected to the chip anti-shake movable part 2112 and the chip anti-shake fixed part 2111 respectively.
- the chip anti-shake movable part 2112 is fixed to the photosensitive assembly 30 , so that the driving element drives the photosensitive assembly 30 fixed on the chip anti-shake movable part 2112 to move.
- the chip anti-shake part 211 may also include a suspension system, the chip anti-shake movable part 2112 is suspended in the chip anti-shake fixed part 2111 through the suspension system, and the suspension system may be implemented as Shrapnels, suspension wires, balls, etc., the embodiment of the present application is not limited by the type of the suspension system.
- the chip anti-shake part 211 may be a driving motor of a voice coil motor, a piezoelectric motor, a SMA (Shape Memory Alloy) motor or the like.
- the driving element is implemented as a coil-magnet pair, that is, the driving force for driving the chip anti-shake movable part 2112 is provided between the coil and the magnet. generated by the electromagnetic effect.
- the coil and the magnet in the coil-magnet pair are adapted to be arranged on the chip anti-shake movable part 2112 and the chip anti-shake fixed part 2111 respectively.
- the coil in the coil-magnet pair is fixedly arranged on the chip anti-shake movable part 2112, and the magnet in the coil-magnet pair is fixedly arranged on the chip anti-shake fixed part 2111, so that , can reduce the driving force demand for the driving element; it can also be that the magnet in the coil-magnet pair is fixedly arranged on the anti-shake movable part 2112 of the chip, and the coil in the coil-magnet pair is fixedly arranged In the anti-shake fixing part 2111 of the chip, in this way, the way of energizing the coil can be simplified.
- the number of the coil-magnet pair can be one or more, and it is arranged around the chip anti-shake movable part 2112.
- the number of the coil-magnet pair can be two, three or four, located at The side surface adjacent to the chip anti-shake movable part 2112 .
- the driving element is implemented as an SMA (shape memory alloy) wire.
- SMA shape memory alloy
- the alloy material returns to its original shape before deformation.
- the shape memory alloy undergoes a limited plastic deformation at a temperature lower than the phase transformation state, it can be restored to its original shape before deformation by heating.
- it can be realized by energizing the SMA wire Heating of SMA wire.
- a set of SMA wires 2113 are provided on four sides of the chip anti-shake part 211, and each set of SMA wires 2113 includes at least one SMA wire. Adjacent two sides of the four sides of the shaking part 211 are arranged vertically (approximately vertically), while opposite two sides of the four sides of the chip anti-shaking part 211 are arranged parallel (approximately parallel).
- the chip anti-shake fixed part 2111 has a first fixed end 21111 respectively, and the chip anti-shake movable part 2112 has a second fixed end 21121, the two ends of the set of SMA wires 2113 are respectively fixed to the chip anti-shake fixed part 2111 through the first fixed end 21111 and fixed to the chip anti-shake movable part through the second fixed end 21121 2112, so that the group of SMA wires 2113 drives the chip anti-shake movable part 2112 to move relative to the chip anti-shake fixed part 2111, so that the four groups of SMA wires 2113 located on the four sides of the chip anti-shake part 211 drive
- the chip anti-shake movable part 2112 translates in the perpendicular X-axis and Y-axis directions relative to the chip anti-shake fixed part 2111, or can also drive the chip anti-shake movable part 2112 relative to the chip
- the anti-shake fixing part 2111 rotates around the Z-axi
- the chip anti-shake part 211 also includes a chip anti-shake electrical connection part 2114, and the chip electrical connection point is electrically connected to the driving element, that is, the SMA line 2113, thereby providing the chip anti-shake electrical connection part 2114.
- the chip anti-shake unit 211 drives a power supply.
- the chip anti-shake electrical connection part 2114 is located on the side of the chip anti-shake part 211, and it further includes a plurality of pins 21141, for example, the chip anti-shake electrical connection part 2114 includes The five pins 21141 of the chip anti-shake part 211 are fixedly arranged on the side of the chip anti-shake fixing part 2111 of the chip anti-shake part 211 in an inverted "L" shape.
- the driving assembly 20 also includes a lens driving part 22 adapted to drive the optical lens 10 to move.
- the lens driving part 22 includes a lens focusing part 221, and the lens focusing part 221 is suitable for driving the optical lens 10 to translate in the Z-axis direction, so as to adjust the distance between the optical lens 10 and the photosensitive component 30 to realize the Describe the focusing function of the optical lens 10.
- the lens driving part 22 may also include a lens anti-shake part 222, and the lens anti-shake part 222 is suitable for driving the optical lens 10 to translate in the directions of the X-axis and the Y-axis and/or rotate around the direction of the Z-axis.
- the lens anti-shake part 222 is adapted to drive the optical lens 10 to rotate around the X-axis direction and around the Y direction, so as to realize the The tilting anti-shake of the optical lens 10 is described.
- the lens driving part 22 may only include the lens focusing part 221 or the lens anti-shake part 222; the lens driving part 22 may also include the lens focusing part 221 and the lens anti-shake part The shaking part 222, so that the lens driving part 22 can not only realize the lens focusing function but also realize the lens anti-shaking function.
- the lens focus unit 221 and the lens anti-shake unit 222 may be driving motors such as voice coil motors, piezoelectric motors, and SMA (Shape Memory Alloy) motors.
- driving motors such as voice coil motors, piezoelectric motors, and SMA (Shape Memory Alloy) motors.
- the lens driving part 22 includes a lens driving fixed part 2201 , a lens driving movable part 2202 and is used to drive the lens driving movable part 2202 relative to the
- the lens drives the driving element (not shown) that moves the fixed part 2201 , and the driving element connects the lens driving movable part 2202 and the lens driving fixed part 2201 respectively.
- the lens driving movable part 2202 is fixed to the optical lens 10 , so that the driving element drives the optical lens 10 fixed on the lens driving movable part 2202 to move.
- the lens driving part 22 may also include a suspension system (not shown), the lens driving movable part 2202 is suspended in the lens driving fixed part 2201 through the suspension system, and the suspension system may be Implemented as one or more of shrapnel, suspension wire, ball, etc., the application is not limited by the type of suspension system.
- the driving element drives the lens driving movable part 2202 to move relative to the lens driving fixed part 2201, which is suitable for realizing lens focusing or lens anti-shake function, so that the driving element, the The lens driving movable part 2202 and the lens driving fixed part 2201 constitute the aforementioned lens focusing part 221 or the lens anti-shake part 222 .
- the lens driving movable part 2202 may further include a first lens driving movable part 2202, a second lens driving movable part 2202 located inside the first lens driving movable part 2202, and a second lens driving movable part 2202 for driving the first lens driving movable part 2202.
- the second lens drives the movable part 2202 to move relative to the first lens to drive the movable part 2202 . Therefore, the driving element located between the lens driving fixed part 2201 and the lens driving movable part 2202 drives the lens driving movable part 2202 to realize the lens anti-shake function.
- the driving element between the movable part 2202 and the second lens driving movable part 2202 drives the second lens driving movable part 2202 to move to realize the lens focusing function; or, it can also be located in the lens driving
- the driving element between the fixed part 2201 and the lens driving movable part 2202 drives the lens driving movable part 2202 to move to realize the lens focusing function, while the first lens driving movable part 2202 and the The driving element between the second lens driving movable parts 2202 drives the second lens driving movable part 2202 to move to realize the lens anti-shake function.
- the lens driving part 22 includes a lens driving electrical connection part 2203 located on the side.
- the lens driving electrical connecting part 2203 is electrically connected to the driving element of the lens driving part 22 and provides driving power for the lens driving part 22 .
- the lens drive electrical connection part 2203 includes a plurality of lens drive pads 22031, and the plurality of lens drive pads 22031 are arranged in two rows to reduce the length of the lens drive electrical connection part 2203, for example, located in the upper row
- the number of the lens driving pads 22031 is 4, and the number of the lens driving pads 22031 in the lower row is also 4.
- the lens driving fixing part 2201 of the lens driving part 22 further includes at least two hanging parts, and the at least two hanging parts are located on the side of the lens driving fixing part 2201.
- the at least two hanging parts are located on the same side of the lens driving fixing part 2201 and the lens driving electrical connecting part 2203 .
- the number of the at least two suspension parts can be two, which are the first suspension part 22011 and the second suspension part 22012 respectively, and the first suspension part 22011 and the second suspension part 22012 are connected to the lens drive electrical connection part respectively. Both sides of 2203 extend outward from the lens driving fixing part 2201 .
- the functions of the at least two hanging parts will be expanded in the subsequent description of the photosensitive assembly 30 , and will not be repeated here.
- the lens driving part 22 and the chip driving part 21 may be separated from each other, or may be fixed to each other, and the lens driving part 22 may communicate with the lens driving fixing part 2201
- the chip driving and fixing parts of the chip driving part 21 (for example, the chip anti-shake fixing part 2111 ) are bonded and fixed or integrally formed so as to be fixed to the chip driving part 21 .
- the driving assembly 20 may include the lens driving part 22 and the chip driving part 21 .
- the four corners of the chip driving part 21 are recessed to form four concave parts, so that the four corners of the lens driving part 22 protrude downward to form four convex parts, extending into the four concave parts of the chip driving part 21 , wherein, a sensing magnet 2311 is respectively fixed in three recesses of the four convex parts of the lens driving part 22, that is, three sensing magnets 2311 are fixed in the four corners of the lens driving part 22 .
- the magnetometer 2311 is used to provide the magnetic field of the position sensor 2312 on the photosensitive assembly 30 shown in FIG. and distance. In other implementations of the present application, the number of the sensing magnets 2311 may also be one, two or four or other numbers.
- FIG. 5 further shows that the chip anti-shake electrical connection part 2114 of the chip driving part 21 and the lens driving electrical connection part 2203 of the lens driving part 22 are respectively located on opposite sides of the driving assembly 20 .
- FIG. 6 further shows that the lens focusing part 221 of the lens driving part 22 is located inside the lens anti-shake part 222, and the size of the through hole in the middle of the chip driving part 21 is larger than that in the middle of the lens driving part 22. The size of the through hole provides a light path that is not blocked by the optical lens 10, thereby reducing the problem of vignetting.
- the photosensitive component 30 includes a circuit board 31 , a photosensitive chip 32 , a base 34 and a filter element 35 .
- the photosensitive chip 32 includes a photosensitive area 321 and a non-photosensitive area 322321, the photosensitive chip 32 is electrically connected to the circuit board 31 through the photosensitive chip pad located at the non-photosensitive area 322321, for example, the photosensitive chip 32 can be It is electrically connected to the circuit board 31 by means of gold wire bonding, wire bonding, welding, FC technology (flip chip), RDL (redistribution layer technology) and the like.
- the photosensitive chip 32 is adapted to be fixed on the upper surface of the circuit board 31 through an adhesive medium (the side of the circuit board 31 facing the lens is defined as the upper surface), or the photosensitive chip 32 is arranged on the circuit board 31 In the through hole 3111 of the circuit board, thereby reducing the influence of the thickness of the circuit board 31 on the thickness of the photosensitive assembly 30, so as to reduce the height of the camera module.
- the base 34 is disposed on the photosensitive part of the chip of the circuit board 31 for supporting other components.
- the base 34 is implemented as a separately molded plastic bracket, which is attached to the surface of the circuit board 31 through an adhesive medium and used to support other components.
- the base 34 can also be formed on the circuit board 31 in other ways, for example, the base 34 is implemented as a molded base, which is integrally formed on the circuit through a molding process.
- the predetermined position of the plate 31 is not limited by the present application.
- the filter element 35 is held on the photosensitive path of the photosensitive chip 32 for filtering the imaging light entering the photosensitive chip 32 .
- the filter element 35 is installed on the base 34 and at least corresponds to the photosensitive area 321 of the photosensitive chip 32 .
- the filter element 35 may be indirectly installed on the base 34 through other support members.
- the filter element 35 can also be installed in other positions of the camera module 1, for example, the filter element 35 is formed in the optical lens 10 (for example, As a layer of filter film attached to the surface of a certain optical lens of the optical lens 10), this is not limited by the present application.
- the circuit board 31 includes a circuit board main body 311 , a connecting strip and a connector part 314 .
- the circuit board main body 311 is used to install and electrically connect the photosensitive chip 32 and the electronic component 33.
- the electronic component 33 includes passive devices such as capacitors and resistors and active devices such as driver chips. And fix the circuit board main body 311 and the connector part 314 , the connector part 314 is used to electrically connect with the mobile electronic device to derive the image information output by the photosensitive chip 32 .
- the four corners of the circuit board main body 311 of the circuit board 31 are also fixed and electrically connected with position sensors 2312 for sensing the movement of the photosensitive component 30, and the number and position of the position sensors 2312 are the same as those located in the drive.
- the sensing magnets 2311 of the component 20 correspond to each other. For example, when the triangles of the four corners of the driving component 20 are respectively provided with a sensing magnet 2311, all the corresponding triangles of the four corners of the driving component 20
- the positions of the photosensitive chips 32 of the circuit board 31 are respectively fixed and electrically connected to a position sensor 2312 .
- the base 34 is fixed to the circuit board main body 311 of the circuit board 31 through an adhesive medium and encapsulates the photosensitive chip 32 therein, and the photosensitive chip 32 Located inside the base 34 (referring to the side of the photosensitive chip 32 ), the electronic component 33 is located outside the base 34 , in other words, the base 34 only encapsulates the photosensitive chip 32 .
- the base 34 can also package the photosensitive chip 32 and part of the electronic components 33 therein, and another part of the electronic components 33 is located outside the base 34; or, the The base 34 can also encapsulate the photosensitive chip 32 and all the electronic components 33 therein. When the base 34 only encapsulates the photosensitive chip 32 therein, the base 34 can prevent possible dust on the electronic components 33 from polluting the photosensitive chip 32 .
- the number of the electronic components 33 is multiple, and distributed around the photosensitive chip 32 and the base 34, a plurality of the electronic components 33 are distributed in a circular In the region, this is related to the shape of the chip anti-shake movable part 2112 of the chip anti-shake part 211 .
- the chip anti-shake movable part 2112 has a cylindrical through hole.
- the base 34 does not need to package the electronic components 33, so that the dimensions of the base in the length direction, width direction, and height direction are reduced, and the cylindrical through hole of the chip anti-shake movable part 2112 does not need to
- the size of the base 34 of rectangular design is further enlarged, so that a plurality of electronic components 33 can be distributed on the base 34 and the cylindrical through hole of the chip anti-shake movable part 2112, so that the camera module
- the horizontal size is reduced.
- the upper surface of the circuit board main body 311 can also be provided with dust-catching glue to capture dirt such as dust in the camera module.
- the dust-catching glue can be arranged in a ring around the circumference of the circular area or covering multiple electronic components 33 .
- circuit board through hole 3111 in the middle of the circuit board main body 311, preferably, the circuit board through hole 3111 is similar in shape to the photosensitive chip 32, for example, the circuit board through hole 3111 is arranged in a rectangular shape, It is used to accommodate the photosensitive chip 32 to reduce the height of the photosensitive component 30 .
- the photosensitive assembly 30 also includes a reinforcing plate 37, and the reinforcing plate 37 is fixed on the back side of the circuit board main body 311 of the circuit board 31 through an adhesive medium (referring to the side of the circuit board 31 away from the lens). side, opposite to the upper surface of the main body of the circuit board) to provide support and reinforcement for the main body 311 of the circuit board.
- the reinforcing plate 37 can be a metal plate such as a steel plate or a copper plate, or a plastic plate. For this, and Not limited by this application.
- the circuit board main body 311 has a circuit board through hole 3111
- the reinforcing plate 37 is fixed on the back of the circuit board main body 311, and the reinforcing plate 37 and the The circuit board main body 311 forms a groove
- the photosensitive chip 32 is fixed on the reinforcing plate 37 through an adhesive medium and accommodated in the circuit board through hole 3111 of the circuit board main body 311.
- the reinforcing plate 37 can be thinner than the main body 311 of the circuit board to reduce the height of the photosensitive component 30, and the reinforcing plate 37 can provide a smoother surface for the photosensitive chip 32 than the main body 311 of the circuit board for bonding and fixing. surface.
- the circuit board main body 311 can be a rigid board or a flexible board, and the connection strip electrically connected to the photosensitive chip 32 is a rigid-flex board.
- the connection strips include a first connection strip 312 and a second connection strip 313, and the first connection strip 312 and the second connection strip 313 are connected from two opposite sides of the circuit board main body 311 (for For ease of description, these two opposite sides may be referred to as a first side 301 and a second side 302, adjacent to the first side 301 and the second side 302 are a third side 303 and a fourth side 304,
- the third side 303 and the fourth side 304 are relatively distributed, and the first side 301, the third side 303, the second side 302 and the fourth side 304 are distributed in a clockwise direction) and bend upwards (upward is pointing away from the circuit board main body 311), and the first connection strip 312 further extends along the first side 301 toward the third side 303 and toward the first The three sides 303 are bent, and the second
- the second connecting strip 313 is fixed on the third side 303 to form a complete connecting strip, and the connecting strip surrounds the first side 301, the second side 302, the The third side 303 is arranged on three sides. Further, the first connection strip 312 is electrically connected to the second connection strip 313 on the third side 303, and the first connection strip 312 is on the third side.
- the bottom of 303 bends away from the circuit board main body 311 and extends away from the circuit board main body 311 , and is electrically connected to the connector part 314 .
- connection belt When the drive assembly 20 drives the circuit board main body 311 to move, the resistance produced by the connection belt is relatively small, which solves the problem of the connection belt relative to the circuit board main body 311 in the prior art. Deflection in the same plane creates a problem of greater drag.
- the connector part 314 can be a hard board or a soft board, and a connector 36 is electrically connected to the upper surface or the back side of the connector part 314. Through the connector 36, the camera module 1 and the mobile electronic device Electrically connected to derive the image information output by the photosensitive chip 32 .
- the connector portion 314 can further be electrically connected to other electronic components, so as to reduce the number of electronic components 33 electrically connected to the circuit board main body 311 .
- the first connection strip 312 includes a first connection strip soft board 3121, a first connection strip hard board 3122 and a third connection strip soft board 3123, and the first connection strip soft board 3121 is respectively electrically connected to the circuit
- the main body 311 of the board and the hard board 3122 of the first connecting band, and the soft board 3123 of the third connecting band are respectively electrically connected to the hard board 3122 of the first connecting band and the connector part 314 .
- the first connecting flexible board 3121 has a first bending portion 31211 and a second bending portion 31212, the first connecting flexible board 3121 is connected to the main body of the circuit board through the first bending portion 31211 311 is connected and bent upward from the first side 301 of the circuit board main body 311, and bent from the first side 301 to the third side 303 through the second bending part 31212, so that the first The connecting belt soft board 3121 is connected with the first connecting belt hard board 3122 located on the third side 303 .
- the third connecting belt flexible board 3123 includes a third bent part 31231, the third connecting belt soft board 3123 is connected to the bottom of the first connecting belt hard board 3122 through the third bent part 31231 and is connected from the bottom of the first connecting belt hard board 3122.
- the hard board 3122 of the first connection belt is bent downward in a direction away from the main body 311 of the circuit board, so that the soft board 3123 of the third connection belt is connected to the connector part 314 .
- the first bending portion 31211 is located close to the intersection of the first side 301 and the bottom surface of the circuit board main body 311
- the second bending portion 31212 is located close to the first side 301 and the second Where the three sides 303 intersect
- the third bent portion 31231 is located close to the intersection where the third side 303 and the bottom surface of the main body 311 of the circuit board intersect.
- the second connection strip 313 includes a second connection strip soft board 3131 and a second connection strip hard board 3132, and the second connection strip soft board 3131 electrically connects the circuit board main body 311 and the second connection strip hard board respectively.
- the second connecting flexible board 3131 has a fourth bending portion 31311 and a fifth bending portion 31312, the second connecting flexible board 3131 is connected to the main body of the circuit board through the fourth bending portion 31311 311 is connected and bent upwards from the second side 302 of the circuit board main body 311, and bent from the first side 301 to the third side 303 through the fifth bending part 31312, so that the second The connection belt soft board 3131 is connected with the second connection belt hard board 3132 located on the third side 303 .
- the fourth bent portion 31311 is located close to the intersection of the second side 302 and the bottom surface of the circuit board main body 311
- the fifth bent portion 31312 is located close to the second side 302 and the second side. The position where the three sides 303 intersect.
- the X-axis direction Take the direction perpendicular to the first side 301 or the second side 302 as the X-axis direction, take the direction perpendicular to the third side 303 and the fourth side 304 as the Y-axis direction, and the X-axis direction is vertical In the Y-axis direction, the direction perpendicular to the X-axis direction and the plane where the Y-axis direction is located (ie, the plane where the circuit board main body 311 is located) is defined as the Z-axis direction.
- the first bending part 31211 and the fourth bending part 31311 are suitable for bending along the Y-axis direction, so as to reduce the connection when the circuit board main body 311 is driven by the driving assembly 20 to move in the X-axis direction.
- the second bending portion 31212 and the fifth bending portion 31312 are adapted to bend along the Z-axis direction, so as to reduce the movement of the circuit board main body 311 driven by the drive assembly 20 in the Y-axis direction When the resistance of the connecting band.
- the first bending part 31211, the fourth bending part 31311, the second bending part 31212 and the fifth bending part 31312 are also adapted to reduce the circuit board main body 311 being driven by the
- the assembly 20 drives the resistance of the connection belt (including the first connection belt 312 and the second connection belt 313 ) when rotating around the X-axis direction, the Y-axis direction or the Z-axis direction.
- the first connecting belt flexible board 3121 further includes two first horizontal portions 31213 and a first inclined portion 31214 between the first bending portion 31211 and the second bending portion 31212 .
- the first inclined part 31214 connects the two first horizontal parts 31213, and through the first inclined part 31214, the first connecting belt flexible board 3121 moves from the first bending part 31211 to the first bending part 31211.
- the two bent parts 31212 extend and extend upwards, and there is a height difference between the two first horizontal parts 31213; and/or, through the first inclined part 31214, the first connecting belt soft board 3121 is separated from the
- the first bending part 31211 extends toward the second bending part 31212 and extends outward (away from the main body of the circuit board), there is a gap between the planes where the two first horizontal parts 31213 are located, and the two second The planes of a horizontal portion 31213 are parallel to or intersect each other.
- the second connection belt flexible plate 3131 further includes two second horizontal parts 31223 and a second inclined part 31224 between the fourth bending part 31311 and the fifth bending part 31312.
- the second inclined part 31224 connects the two second horizontal parts 31223, through the second inclined part 31224, the second connecting belt soft plate 3131 is connected from the fourth bending part 31311 to the first
- the five bent parts 31312 extend and extend upwards, and there is a height difference between the two second horizontal parts 31223; and/or, through the second inclined part 31224, the second connecting belt soft plate 3131 is separated from the
- the fourth bending portion 31311 extends toward the fifth bending portion 31312 and extends outward (away from the main body of the circuit board), there is an interval between the planes where the two second horizontal portions 31223 are located, and the two second The planes where the two horizontal parts 31223 are located are parallel to or intersect.
- a plastic layer is pasted on the inside and/or outside of the first bending part 31211 and the fourth bending part 31311, so that the first connecting strip 312
- the first bending part 31211 and the second connecting strip 313 are kept bent at the fourth bending part 31311; the second bending part 31212 and the fifth bending part 31312
- the inner side and/or the outer side are pasted with a plastic layer, so that the first connecting band 312 is at the second bending part 31212 and the second connecting band 313 is at the fifth bending part 31312 be kept bent.
- the shaping layer may be copper foil or other thinner components that have a shaping effect.
- FIG. 10 shows the bottom surface of the circuit board 31 in a flattened state in an embodiment of the present application
- the circuit board 31 includes a circuit board main body 311, a first connection strip 312, a second connection strip 313 and a connector Section 314.
- the circuit board main body 311 has a rectangular circuit board through hole 3111 for accommodating the photosensitive chip 32, the first side 301 of the circuit board main body 311 is electrically connected with the first connection strip 312, and the circuit board main body 311
- the second side 302 is electrically connected to the second connection strip 313 .
- the first connection belt 312 includes the first connection belt soft board 3121 , the first connection belt hard board 3122 and the third connection belt soft board 3123 , and the first connection belt soft board 3121 includes a first bent part 31211 and a second bending part 31212, the first connection belt soft board 3121 is connected to the circuit board main body 311 through the first bending part 31211 and connected to the first bending part 31212 A connection is connected with a hard board 3122, by bending the first bending part 31211, the second bending part 31212 is suitable for bending the first connection with a soft board 3121; the third connection is with a soft board 3123 includes a third bending part 31231, the third connecting belt soft board 3123 is connected with the first connecting belt hard board 3122 through the third bending part 31231, and by bending the third bending part 31231 It is suitable for bending the third connection belt soft board 3123 .
- the second connection belt 313 includes the second connection belt soft board 3131 and the second connection belt hard board 3132, and the second connection belt soft board 3131 includes a fourth bending part 31311 and a fifth bending part 31312.
- the second connection with soft board 3131 is connected to the circuit board main body 311 through the fourth bending part 31311, and the second connection with soft board 3131 and the first connection with soft board 3121 are distributed on the On opposite sides of the main body 311 of the circuit board; the second connection with the soft board 3131 is connected with the second connection with the hard board 3132 through the fifth bending portion 31312 .
- FIG. 11 shows the structure of the circuit board 31 after the first connection with a soft board 3121 and the second connection with a soft board 3131 are bent.
- the first connecting belt hard plate 3122 is located on the outside, that is, the second connecting belt hard plate 3132 is located between the drive assembly 20 and the first connecting belt hard plate 3122, and the second connecting belt
- the hard plate 3132 is positioned on the side of the drive assembly 20 (that is, the third side 303 ) through at least two through holes of the second connecting belt hard plate 3132 and at least two hanging parts on the drive assembly 20 .
- the first connection belt hard plate 3122 is positioned on the side of the drive assembly 20 (that is, the third side 303 ) through at least two through holes of the first connection belt hard plate 3122 and at least two hanging parts on the drive assembly 20 . ) of the second connection with the outside of the hard plate 3132.
- the at least two suspension parts on the drive assembly 20 include a first suspension part 22011 and a second suspension part 22012 respectively extending outward from the lens drive fixing part 2201 on both sides of the lens drive electrical connection part 2203.
- the first suspension part 22011 passes through the through hole on the hard plate 3132 of the second connection belt and the through hole on the hard plate 3122 of the first connection belt
- the second suspension part 22012 passes through the first connection
- the through hole on the belt hard plate 3122 and the through hole on the first connecting belt hard plate 3122 are the positioning of the first connecting belt hard plate 3122 and the second connecting belt hard plate 3132 on the drive assembly 20 .
- the hard board 3122 of the first connection belt and the hard board 3132 of the second connection belt are suitable for being bonded and fixed by an adhesive medium, such as UV glue, UV thermosetting glue, thermosetting glue, double-sided tape and other adhesive media.
- the second connection strip hard plate 3132 is electrically connected to the first connection strip hard plate 3122, so that the second connection strip 313 is connected to the third connection strip through the first connection strip hard plate 3122
- the soft board 3123 is electrically connected to the connector portion 314 .
- Figure 8-12c shows a specific example of the present application
- the second connection strip hard board 3132 includes a plurality of connection strip pads 31321, and the connection strip pads 31321 are located on the second connection strip hard board 3132 On the side adjacent to the hard plate 3122 of the first connection strip after the circuit board 31 is bent, in other words, in the flattened view of the circuit board 31 shown in FIG.
- the hard board of the first circuit board 31 includes a plurality of conductive vias, and the plurality of conductive vias include a plurality of first conductive vias 31221 and a plurality of second conductive vias 31222, when the first circuit board 31 After the first connection strip and the second connection strip 313 are bent, the plurality of first conductive through holes 31221 of the hard plate 3122 of the first connection strip are respectively connected to the plurality of the first conductive through holes 3122 of the hard plate 3132 of the second connection strip.
- connection strip pads 31321 are opposite, so that it is suitable for electrically connecting the plurality of first conductive vias 31221 and the plurality of connection strip pads by providing an electrical connection medium 31322 in the plurality of first conductive vias 31221 31321, realize the electrical conduction between the hard plate 3122 of the first connecting band and the hard plate 3132 of the second connecting band.
- the electrical connection medium 31322 can be solder such as tin balls, and the electrical connection medium 31322 is fixed to the first conductive via 31221 and to the connection strip pad 31321 by laser welding, namely The electrical conduction between the first connecting strip hard plate 3122 and the second connecting strip hard plate 3132 is made by welding.
- the first connecting strip hard plate 3122 and the second connecting strip hard plate 3132 are electrically connected by the above-mentioned welding method, compared with the traditional way of connecting through a connector, the process of pressing the connector can be avoided, thereby preventing the drive assembly from being pressed. , to reduce the occurrence of defective drive components.
- FIG. 12a-FIG. 12b show a structural schematic diagram of welding the first connecting strip hard plate 3122 and the second connecting strip hard plate 3132 through an electrical connection medium 31322 .
- the connecting strip pad 31321 is located between the second connecting strip hard plate 3132 and the first connecting strip hard plate 3122 , and the first connecting strip hard plate 3122
- the first conductive via 31221 is composed of a conductive side 312211 and an insulating side 312212, in other words, the first conductive via 31221
- the metal plating layer is only distributed on a part of the sides of the first conductive through hole 31221 (as shown in FIG.
- the electrical connection medium 31322 will be biased towards the conductive side 312211, and the electrical connection medium 31322 is only in contact with, fixed and Electrical connection, so that the connection and contact between the electrical connection medium 31322 and the connection strip pad 31321 can be observed from the insulating side 312212 of the first conductive via 31221 to the conductive side 312211, and whether there is a false soldering Problems to reduce the badness of the camera module.
- the ratio of the area occupied by the conductive side 312211 to the insulating side 312212 is between 0.8-1.25, for example, the conductive side 312211 and the insulating side
- the areas occupied by 312212 are equal, so as to ensure the electrical connection between the first connecting strip hard plate 3122 and the second connecting strip hard plate 3132 , and at the same time, it is convenient to observe the problem of virtual welding.
- a plurality of the first conductive vias 31221 The conductive sides 312211 of the through holes 31221 are located on the same side, and the insulating sides 312212 of the plurality of first conductive vias 31221 are located on the other side, for example, the plurality of first conductive vias 31221
- the insulating sides 312 and 212 are located on the upper side (that is, the side away from the circuit board main body 311), so as to facilitate observation of the soldering situation from the upper side of the camera module.
- the insulating sides 312212 of the plurality of first conductive vias 31221 may also be located on the lower side, left side or right side of the camera module, or may be located between the left side and the upper side. position, the welding situation can be observed with naked eyes.
- the electrical connection medium 31322 such as tin, needs to be heated to the melting point to react with the connection strip pad 31321 and the first conductive via 31221. If the temperature is insufficient, the conductive connection medium 31322 cannot be connected to the connection strip pad. 31321 reacts with the first conductive via 31221, resulting in the problem of virtual soldering.
- the electrical connection medium 31322 is sprayed between the connection strip pad 31321 and the first conductive via hole 31221 through a laser welding process, the connection strip pad 31321 and the first conductive via hole 31221 If the distance between them is too long, the electrical connection medium 31322 will cool down.
- the gap between the connecting strip pad 31321 and the first conductive via 31221 is less than 100 ⁇ m, and the first connecting strip has a hard plate
- the gap between 3122 and the hard plate 3132 of the second connection belt is less than 100 ⁇ m.
- Pre-tinning refers to directly setting solder (or other electrical connection medium) on the connection strip pad 31321 first, so that the solder and the pad react and combine, and then pass the molten solder through the pad.
- the first conductive via 31221 is arranged between the connecting strip pad 31321 and the first conductive via 31221 to realize electrical conduction.
- the material of the connection strip pad 31321 is usually different from that of the electrical connection medium 31322. During welding, the two need to react on the contact surface to ensure a stable combination, and the reaction process requires high temperature.
- a layer of tin can be provided on the surface of the connection strip pad 31321 by pre-tinning, so in the subsequent soldering process, the solder and the tin on the surface of the connection strip pad 31321 are easily combined, and the distance between the surface of the connection strip pad 31321 and the first conductive via 31221 is also shortened, and the temperature of the solder can still be kept relatively high when it is arranged on the surface of the connection strip pad 31321 temperature, thereby having a better welding effect, and can reduce the demand on the welding process.
- the thickness of the solder is between 10-50 ⁇ m to maintain a good welding effect.
- the electrical connection between the driving assembly 20 and the circuit board 31 can also be realized by the above-mentioned first conductive via-pad welding.
- the second connecting belt hard plate 3132 has a recess, so that the second connecting belt hard plate 3132 is bent and hung on the first hanging part 22011 and the When the second suspension part 22012 is on, avoid the lens driving electrical connection part 2203 of the driving assembly 20, and expose the lens driving electrical connecting part 2203, so as to be suitable for electrical connection with the first connecting belt hard plate 3122.
- the plurality of lens driving pads 22031 on the lens driving electrical connection part 2203 correspond to the plurality of second conductive vias 31222 on the hard board 3122 of the first connection strip, and are connected through an electrical connection medium 31322 electrical connection.
- the plurality of lens drive pads 22031 on the lens drive electrical connection part 2203 are arranged in two rows to reduce the length of the lens drive electrical connection part 2203, for example, the lens drive pads 22031 on the upper There are four, and the number of the lens driving pads 22031 located below is also four.
- the upper and lower rows of the lens driving pads 22031 are alternately distributed, and in order to improve the utilization of the area of the lens driving electrical connection part 2203
- the lens driving pad 22031 has a large size on one side and a small size on the other side, that is, a "gourd" type pad, and the lens driving pad 22031 is close to the edge of the lens driving electrical connection part 2203. The size is relatively larger.
- the lens driving electrical connection part 2203 is a flexible and rigid board, and the flexible board part of the lens driving electrical connecting part 2203 is electrically connected to the driving element of the lens driving part 22 and the hard board part of the lens driving electrical connecting part 2203 , the plurality of lens driving pads 22031 are located on the hard board part of the lens driving electrical connection part 2203, and the hard board part of the lens driving electrical connecting part 2203 is fixed on the lens driving fixing part of the lens driving part 22 2201 to maintain the stability of the electrical connection between the lens drive electrical connection part 2203 and the external power supply.
- the outer surface of the lens driving pad 22031 is lower than the outer surface of the hard plate part of the lens driving electrical connection part 2203, so as to provide protection for the lens driving pad 22031 and prevent the lens driving pad 22031 from Scratched, affecting the yield of electrical connections.
- the plurality of second conductive vias 31222 on the hard board 3122 of the first connecting strip are also composed of a conductive side 312211 and an insulating side 312212, so as to facilitate observation of the second conductive vias 31222.
- the conductive sides 312211 of the plurality of second conductive vias 31222 are located on the same side, and the insulating sides 312212 of the plurality of second conductive vias are located on the other side, for example, a plurality of The conductive sides 312211 of the plurality of second conductive through-holes 31222 are all located on the lower side (that is, the side close to the main body of the circuit board 311 ), so that it is convenient to observe the soldering situation from the upper side of the camera module.
- the conductive sides 312211 of the plurality of second conductive vias 31222 can also be located on the upper side, left side or right side of the camera module, or can also be located between the right side and the lower side. position, the welding situation can be observed with naked eyes.
- the gap is preferably less than 100 ⁇ m, that is, the gap between the hard plate 3122 of the first connection belt and the lens driving connection part is less than 100 ⁇ m.
- the connection between the second conductive via 31222 and the lens driving pad 22031 can also be soldered by secondary heating or pre-tinning. When pre-tinning is used for soldering, the thickness of the solder is set to 10- 50 ⁇ m to maintain a good welding effect.
- the driving assembly 20 includes a driving electrical connection part (for example, a lens driving electrical connection part 2203 ) located on the side of the driving assembly 20 , a plurality of pads (such as a lens driving pad 22031 ) on the driving electrical connection part, Corresponding to a plurality of conductive through holes on the hard board part of the circuit board (such as the first connecting strip hard board 3122 ), and electrically connected through the electrical connection medium provided in the conductive through holes.
- a driving electrical connection part for example, a lens driving electrical connection part 2203
- a plurality of pads such as a lens driving pad 22031
- the conductive through-hole-pad welding structure involved in the present application can be applied when the electrical connection part of the camera module is arranged on the side of the camera module, so as to avoid the camera module being under pressure during electrical conduction, Cause the camera module to be defective.
- the electrical connection part is arranged on the side of the camera module
- the electrical connection part of the driving assembly 20 can be arranged on the side
- the electrical connection part of the photosensitive assembly 30 can also be arranged on the side, by having a conductive through hole
- the circuit board 31 of the circuit board 31 is welded to the electrical connection part, so as to electrically conduct the driving assembly 20 or the photosensitive assembly 30 with the mobile electronic device.
- the reinforcing plate 37 can also be bent to The bending of the first connecting belt flexible plate 3121 at the first bending portion 31211 is maintained, and the bending of the second connecting belt flexible plate 3131 at the fourth bending portion 31311 is maintained.
- FIGS. 13-15 show a schematic diagram of the reinforcement board 37 attached to the bottom surface of the circuit board main body 311.
- the reinforcement board 37 includes a reinforcement board main body 371 and a first reinforcement board side part 372. and the second reinforcing plate side portion 373 , the reinforcing plate main body 371 , the first reinforcing plate side portion 372 and the second reinforcing plate side portion 373 may be integrally formed.
- the first reinforcing plate side portion 372 further includes a first reinforcing plate bent portion 3721
- the second reinforcing plate side portion 373 further includes a second reinforcing plate bending portion 3731, and the reinforcing plate passes through the
- the reinforcing board main body 371 is attached and fixed on the bottom surface of the circuit board main body 311, so that the reinforcing board main body 371 and the circuit board main body 311 having the circuit board through hole 3111 form a groove for accommodating
- the side portion 372 of the first reinforcing plate is fixedly connected to one side of the main body 371 of the reinforcing plate through the bent portion 3721 of the first reinforcing plate (with the soft plate 3121 connected with the first reinforcing plate).
- the second reinforcing plate side part 373 is fixedly connected to the reinforcing plate main body 371 and the first reinforcing plate through the second reinforcing plate bent portion 3731
- the other side opposite to the side portion 372 located on the same side as the second connection with the soft plate 3131 , namely the second side 302 ).
- the reinforcing plate 37 is made of stainless steel, copper and other metal materials suitable for bending.
- the first reinforcing plate side portion 372 is bent along the first side 301 of the reinforcing plate main body 371 and extends upward, and through the bending of the second reinforcing plate
- the second reinforcing plate side portion 373 is bent along the second side 302 of the reinforcing plate main body 371 and extends upward.
- the shape of the first reinforcing plate side part 372 and the second reinforcing plate side part 373 is not easy to change after bending, therefore, the first reinforcing plate side part 372 and the second reinforcing plate side part 373 It is suitable for keeping the bending of the first bending part 31211 and the fourth bending part 31311, and maintaining the bent shape of the first connecting belt flexible plate 3121 and the second connecting belt flexible plate 3131, thereby reducing the When the driving assembly 20 drives the main body 311 of the circuit board to move, the resistance of the first connecting belt 312 and the second connecting belt 313 is generated.
- the width of the first reinforcing plate bending portion 3721 is smaller than the width of the first reinforcing plate side portion 372, thereby reducing the difficulty of bending the first reinforcing plate bending portion 3721, further, the first reinforcing plate
- the bending portion 3721 of the reinforcing plate also has a through hole, which further reduces the resistance of bending the bending portion 3721 of the first reinforcing plate.
- the width of the second reinforcing plate bending portion 3731 is smaller than the width of the second reinforcing plate side portion 373, thereby reducing the difficulty of bending the second reinforcing plate bending portion 3731, further, the second reinforcing plate
- the bent part 3731 of the reinforcing plate also has a through hole, which further reduces the resistance of bending the bent part 3731 of the second reinforcing plate.
- the chip anti-shake electrical connection portion 2114 of the chip anti-shake portion 211 is electrically connected to the circuit board main body 311 by pin welding.
- the optical lens 10 is assembled on the driving assembly 20, and the driving assembly 20 is fixed on the circuit board main body 311 and electrically connected to the circuit board main body 311, Thereby reducing the height of the camera module.
- the drive assembly 20 is fixed to the circuit board main body 311 and can be assembled by HA process or AA process.
- the HA process refers to directly bonding and fixing the drive assembly 20 and the circuit board 31 through an adhesive medium after adjusting the parallelism. It generally requires about 0.03mm to be reserved for the gap between the drive assembly 20 and the circuit board main body 311; and the AA process refers to the active calibration process, which first assembles the optical lens 10 to the drive assembly 20 to form a camera module.
- Adhesive fixing usually requires a gap of about 0.16 mm between the driving assembly 20 and the circuit board main body 311 . Therefore, no matter through the HA process or the AA process, when the drive assembly 20 and the circuit board main body 311 are bonded and fixed in order to reduce the height of the camera module, the drive assembly 20 and the circuit board main body 311 The gap between 311 will be lower.
- the chip anti-shake electrical connection part 2114 includes a plurality of pins 21141, and the pins 21141 include a lateral part 211411 fixedly connected to the chip anti-shake fixing part 2111 and connected to the
- the horizontal part 211411 is integrally formed and perpendicular (approximately vertical) to the vertical part 211412 of the horizontal part 211411, the vertical part 211412 of the pin 21141 determines the height of the pin 21141, common pin size It is 0.5 mm, which is far beyond the gap between the driving assembly 20 and the circuit board main body 311 .
- the pins are usually welded on the circuit board 31, and a gap of 0.2mm is reserved between the pins and the circuit board 31, which, for the present application, will cause the drive
- the increased gap between the component 20 and the circuit board main body 311 increases the height of the camera module, which is inconsistent with the requirement of reducing the height of the camera module.
- the main body 311 of the circuit board has a plurality of side recesses 3112, and the plurality of side recesses 3112 are located between one side of the main body 311 of the circuit board and the anti-shake connection part of the chip.
- the positions corresponding to the plurality of pins 21141, the pins 21141 pass through the circuit board main body 311 through the underside recess 3112, and electrically connect the pins 21141 and the side by laying an electrical connection medium Recess 3112 .
- the surface of the undercut portion 3112 has a metal plating layer, so that it can be welded and fixed with the electrical connection medium and electrically conducted.
- FIG. 17 shows a schematic diagram of the relative positional relationship between the pin 21141 and the main body 311 of the circuit board according to an embodiment of the present application.
- the vertical portion 211412 of the pin 21141 preferably protrudes from the bottom surface of the circuit board body 311 (ie, the back side of the circuit board body 311), that is, the bottom surface of the vertical portion 211412 of the pin 21141 is lower than the bottom surface of the circuit board body 311.
- the bottom surface of the circuit board main body 311, so that the electrical connection medium can have a larger contact area with the side of the pin 21141, so as to improve the welding yield and ensure the effect of electrical connection.
- the reinforcement plate 37 is not attached to the bottom surface of the side recess 3112, and the vertical portion of the pin 21141
- the bottom surface of 211412 does not protrude from the bottom surface of the reinforcing plate 37, that is, the bottom surface of the vertical part 211412 of the pin 21141 is preferably between the bottom surface of the circuit board main body 311 and the bottom surface of the reinforcing plate 37, so that the The reinforcing plate 37 can protect the pin 21141 and reduce the risk of short circuit caused by contact between the pin 21141 and other components.
- the bottom surface of the vertical portion 211412 of the pin 21141 may also protrude from the bottom surface of the reinforcing plate 37, or, the bottom surface of the pin 21141
- the bottom surface of the vertical part 211412 may not protrude from the bottom surface of the circuit board main body 311, that is, the bottom surface of the vertical part 211412 of the pin 21141 may also be higher than the bottom surface of the circuit board main body 311, and is located on the circuit board Between the upper surface and the bottom surface of the main body 311 .
- the angle between the vertical portion 211412 and the horizontal portion 211411 is 90°.
- the vertical portion 211412 has an inclination angle greater than 0° and less than 10° relative to the vertical line of the horizontal portion 211411 , so that the vertical portion 211412 has a length It can be longer, reducing the difficulty of the manufacturing process of the pins.
- the first connection with a soft board 3121 is located on the first side 301 of the camera module 1
- the second connection with a soft board 3131 is located on the second side of the camera module 1 302
- the first connecting belt hard plate 3122 and the second connecting belt hard plate 3132 are located on the third side 303 of the camera module 1
- the chip anti-shake electrical connection part 2114 of the chip driving part 21 is located on the fourth side 304 of the camera module 1.
- the outer frame 40 includes a frame main body 41 , a frame cover 42 and a frame bottom plate 43 .
- the frame main body 41 has a through hole for accommodating the driving assembly 20 , and the driving assembly 20 is fixed to the frame main body 41 by an adhesive medium, thereby providing a supporting position for the driving assembly 20 .
- the frame bottom plate 43 is fixed on the bottom surface of the frame main body 41, thereby protecting the photosensitive assembly 30, and there is a gap between the frame bottom plate 43 and the bottom surface of the photosensitive assembly 30, so that the photosensitive assembly 30 is When the chip anti-shake part 211 of the driving assembly 20 is driven, the frame bottom plate 43 will not interfere with the movement of the photosensitive assembly 30 .
- the frame bottom plate 43 may also have a through hole, and the through hole of the frame bottom plate 43 corresponds to the chip anti-shake electrical connection part 2114 of the chip anti-shake part 211 of the drive assembly 20, thereby providing the There is more space for the pins 21141, avoiding the contact between the pins 21141 and the frame bottom plate 43, and reducing the risks of mutual interference and circuit short circuit.
- the frame cover 42 is fixed on the top surface of the frame body 41 so as to encapsulate the drive assembly 20 with the frame body 41 to reduce dust and other dirt falling between the drive assembly 20 and the frame body 41 risks of.
- the frame cover 42 has a through hole, the through hole of the frame cover 42 is suitable for providing the incident light of the optical lens 10, and the optical lens 10 can pass through, so that the optical lens 10 protrudes above the The frame cover 42 is described.
- the outer frame 40 also includes a conductive cloth 44 attached to the bottom surface of the frame bottom plate 43 .
- the conductive cloth 44 can cover the through hole of the frame bottom plate 43, so that dirt such as dust will not enter the camera module.
- the conductive cloth 44 may also include a conductive cloth side portion 441, and the conductive cloth 44 is further attached to the side of the frame body 41 through the conductive cloth side portion 441.
- the frame body 41 is made of aluminum, stainless steel, etc.
- the conductive cloth 44 can be electrically connected to the frame main body 41 to achieve the effects of conduction and electromagnetic shielding.
- the conductive cloth 44 may include one or more conductive cloth side parts 441, in a specific example of the present application, the number of the conductive cloth side parts 441 is four, and are respectively distributed on the four sides of the frame main body 41 .
- the outer frame 40 further includes an insulating sheet 45 , and the insulating sheet 45 is disposed between the first connecting strip hard plate 3122 and the frame main body 41 .
- the material of the frame body 41 is a conductive material, there is a risk of contact between the frame body 41 and the first hard board, thereby causing a short circuit of the first hard board, so the insulating sheet 45 is arranged on the The above-mentioned risk can be reduced between the first connecting strip hard plate 3122 and the frame main body 41 .
- the insulating sheet 45 can be glued and fixed on the inside of the frame main body 41, or can be glued and fixed on the outside of the first connecting strip hard plate 3122, or the insulating sheet 45 can only be placed on the first connecting strip hard plate 3122.
- a connection is between the hard plate 3122 and the frame main body 41 .
- the main parts of the first connecting strip and the second connecting strip are arranged on the peripheral side of the optical element of the camera module, so they can be called side connecting strips.
- the side connecting strip the part bent upward from the side of the main body of the circuit board may be called a bent portion (or called an upwardly bent portion, which may be regarded as a part of the side connecting strip).
- the part arranged around the optical element of the camera module may be referred to as the main body of the side connection belt.
- the surface of the main body of the lateral connecting strip may be substantially perpendicular to the surface of the main body of the circuit board.
- the side connection strips and the main body of the circuit board can be integrally formed, for example, the side connection strips and the main body of the circuit board can be integrally formed through the fabrication process of a rigid-flex board.
- the main body of the circuit board can be a hard board (such as a PCB board)
- the bent portion of the side connecting strip can be a soft board (such as an FPC board)
- the main body of the side connecting strip can include a part of a soft board and a part of a hard board.
- the part of the hard plate can be used to suspend the lateral connecting strip on the static component of the optical actuator (such as the actuator fixing part).
- an optical element refers to an element used to form an imaging optical system, generally including a plurality of lenses and a photosensitive element (usually a photosensitive chip) for imaging.
- a plurality of lenses and their supporting components (such as lens barrels) used for imaging can constitute the optical lens.
- the photosensitive element is located in the photosensitive assembly.
- the driving assembly 20 constitutes an optical actuator.
- the optical actuator may be a dual OIS optical actuator, that is, the optical actuator has a lens driving part and a chip driving part.
- the optical actuator may include an actuator fixed part and an actuator movable part.
- the actuator fixing part may include a lens driving fixing part and a chip anti-shake fixing part, and the two may be fixed together.
- the actuator movable part may include a lens driving movable part and a chip anti-shake movable part.
- the surface of the hard board or connecting strip refers to the surface perpendicular to the thickness direction of the hard board or connecting strip (that is, the normal direction of the surface is consistent with the thickness direction of the hard board).
- Each hard board or connecting strip includes two surfaces, the inner surface (that is, the side close to the optical axis) is the inner surface, and the outer surface (that is, the side away from the optical axis) is the outer surface.
- the photosensitive chip and/or optical actuator of the camera module usually have circuits for supplying power and/or realizing certain corresponding functions, and these circuits can be arranged on one or more circuit boards.
- circuit board structures All substrates in the camera module used for power supply and/or arranging functional circuits and the connecting components of these substrates are referred to as circuit board structures herein.
- the camera module includes an optical actuator, an optical lens, and a photosensitive component; wherein, the optical actuator has a chip anti-shake part.
- At least one side of the anti-shake part of the chip has a plurality of conductive pins, and at least one side of the circuit board body has a plurality of undercuts, and each of the undersides is recessed from the side of the circuit board main body to the inside.
- the conductive pin extends into the side recess, and the conductive pin is electrically connected to the side recess by a welding medium.
- the chip anti-shake part includes a chip anti-shake fixed part and a chip anti-shake movable part.
- the plurality of conductive pins are led out from at least one side of the chip anti-shake movable part.
- the conductive pin is drawn out from the chip anti-shake movable part, and is electrically connected with the side concave part of the main body of the circuit board, while realizing the electrical connection between the anti-shake part of the chip and the main body of the circuit board, the Adapt to chip anti-shake movement.
- the chip anti-shake movable part and the circuit board main body move together, that is, the chip anti-shake movable part and the circuit board main body are relatively stationary. It should be noted that in FIG.
- some lines of the chip anti-shake fixed part and the chip anti-shake movable part are omitted in order to make the drawing simple.
- the The conductive pins electrically connected to the concave part are drawn out from the side of the chip anti-shake movable part (not the chip anti-shake fixed part).
- the frame bottom plate has a pin avoidance through hole; the pin avoidance through hole may be located directly below the side recess, and the pin avoidance through hole
- the size of the undercut is greater than the size of the undercut, and the outline of the pin avoidance through hole and the outline of the undercut have a distance of not less than 15 ⁇ m; the depth of the underside is 15-25 ⁇ m.
- the depth of the side recess is the distance inwardly recessed from the side of the main body of the circuit board.
- undercuts are provided on the side of the main body of the circuit board, conductive pins (ie, motor pins) are provided on the side of the optical actuator, and then the conductive pins are extended into or through the The side recesses on the side of the main body of the circuit board, and then apply a welding medium from the outside to solder the conductive pins to the side recesses.
- This design scheme can reduce the height occupied by the soldering of the motor pins, thereby reducing the height of the camera module with the optical actuator.
- the pin-side recess welding solution is especially suitable for dual OIS camera modules, or camera modules with chip anti-shake function, and can also be suitable for AF modules (ie, auto-focus camera modules).
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Abstract
Description
Claims (69)
- 一种用于摄像模组的线路板,其特征在于,包括线路板主体和至少两个侧置连接带;所述线路板主体具有垂直于所述摄像模组的光轴的表面和平行于所述光轴的多个侧面;所述侧置连接带自所述线路板主体的侧面引出并向上弯折,并在弯折后在所述摄像模组的侧面延伸形成侧置连接带主体;所述侧置连接带具有硬板,在所述的至少两个侧置连接带中,其中一个所述侧置连接带的硬板的外表面具有多个焊盘,另一个所述侧置连接带的硬板具有多个导电通孔,这两个所述侧置连接带的硬板重叠布置;焊接介质附着在所述导电通孔的侧壁并穿过所述导电通孔接触所述焊盘。
- 根据权利要求1所述的用于摄像模组的线路板,其特征在于,所述多个侧面包括第一侧面、与所述第一侧面相对的第二侧面、与所述第一侧面相邻的第三侧面和与所述第三侧面相对的第四侧面;所述侧置连接带包括:第一连接带,其包括第一连接带软板和第一连接带硬板,所述第一连接带软板自所述线路板主体的所述第一侧面引出并向上弯折,然后沿着所述第一侧面延伸,再弯折至所述第三侧面,所述第一连接带硬板位于所述第三侧面并且所述第一连接带硬板的侧面与所述第一连接带软板连接,所述第一连接带硬板的表面平行于所述光轴;以及第二连接带,其包括第二连接带软板和第二连接带硬板,所述第二连接带软板自所述线路板主体的所述第二侧面引出并向上弯折,然后沿着所述第二侧面延伸,再弯折至所述第三侧面,所述第二连接带硬板位于所述第三侧面并且所述第二连接带硬板的侧面与所述第二连接带软板连接,所述第二连接带硬板的表面平行于所述光轴;其中,所述第一连接带硬板位于所述第二连接带硬板的外侧,所述第一连接带硬板具有多个导电通孔,所述第二连接带硬板的外表面具有多个焊盘,所述导电通孔和所述焊盘通过焊接介质连接,所述焊接介质在熔化 状态下喷射进入并穿过所述导电通孔,并且在冷却后附着在所述焊盘和所述导电通孔以将所述导电通孔和所述焊盘电连接。
- 根据权利要求2所述的用于摄像模组的线路板,其特征在于,所述第一连接带硬板与所述第二连接带硬板之间通过黏合介质粘接;所述第一连接带硬板的内表面和所述第二连接带硬板的外表面之间具有不大于100μm的间隙。
- 根据权利要求3所述的用于摄像模组的线路板,其特征在于,所述焊接介质在熔化状态下以喷射流的形式进入所述导电通孔并附着于所述导电通孔的侧壁,并且所述焊接介质穿过所述导电通孔并接触所述焊盘;并且所述焊接介质在固化后构成跨越所述第一连接带硬板的内表面和所述第二连接带硬板的外表面之间间隙的连接件;所述焊接介质与所述导电通孔的一部分孔壁之间保留有孔隙。
- 根据权利要求3所述的用于摄像模组的线路板,其特征在于,所述导电通孔的孔壁上附着有金属层,所述金属层为金属镀层。
- 根据权利要求5所述的用于摄像模组的线路板,其特征在于,所述金属层为环形金属层。
- 根据权利要求5所述的用于摄像模组的线路板,其特征在于,所述金属层附着在所述导电通孔的一部分孔壁上,形成不封闭的金属层。
- 根据权利要求7所述的用于摄像模组的线路板,其特征在于,所述第一连接带硬板中,所有的所述导电通孔的所述不封闭的金属层均布置在所述导电通孔的同一侧。
- 根据权利要求8所述的用于摄像模组的线路板,其特征在于,所述第一连接带硬板中,所有的所述导电通孔的所述弧形金属层均布置在所述导电通孔的下侧。
- 根据权利要求3所述的用于摄像模组的线路板,其特征在于,所述焊接介质为锡或者含锡焊接材料。
- 根据权利要求2所述的用于摄像模组的线路板,其特征在于,所述线路板还包括自所述第一连接带硬板的下侧面引出并向外弯折而形成的第三连接带,所述第三连接带的表面垂直于所述光轴,并且所述第三连接带的自由端具有连接器,所述连接器适于与搭载所述摄像模组的电子设备的主板插接。
- 一种摄像模组,其特征在于,包括:外框架和容纳在所述外框架内的光学镜头、光学致动器、感光芯片和权利要求1-11中任一项所述的线路板;其中,所述感光芯片固定于所述的线路板的所述线路板主体,所述光学致动器适于驱动所述光学镜头和/或所述感光芯片移动;所述光学致动器包括致动器固定部,所述侧置连接带设置在所述外框架和所述致动器固定部之间的间隙。
- 根据权利要求12所述的摄像模组,其特征在于,所述感光芯片贴附于所述线路板主体的上表面;所述线路板上表面设置环形底座,所述环形底座围绕在所述感光芯片的周围,所述环形底座的顶面安装于滤光片,所述滤光片、所述环形底座和所述线路板主体构成一封闭的腔体内,并将所述感光芯片封装在所述封闭的腔体内。
- 根据权利要求12所述的摄像模组,其特征在于,所述线路板主体的中央具有中央通孔,所述线路板主体的下表面贴附一补强板,所述感光芯片贴附于所述补强板的上表面并且所述感光芯片置于所述中央通孔中;所述线路板主体上表面设置环形底座,所述环形底座围绕在所述感光芯片的周围,所述环形底座的顶面安装于滤光片,所述滤光片、所述环形底座、所述线路板主体和所述补强板构成一封闭的腔体内,并将所述感光芯片封装在所述封闭的腔体内。
- 根据权利要求13所述的摄像模组,其特征在于,所述光学致动器还包括芯片防抖可动部,所述线路板主体、所述滤光片、所述环形底座、所述感光芯片构成的感光封装体固定于所述芯片防抖可动部,所述感光封装体适于在所 述芯片防抖可动部的带动下相对于所述致动器固定部移动,所述第一连接带硬板和所述第二连接带硬板均直接或间接地固定于所述致动器固定部。
- 根据权利要求13所述的摄像模组,其特征在于,所述光学致动器还包括芯片防抖可动部,所述线路板主体、所述滤光片、所述环形底座、所述补强板和所述感光芯片构成的感光封装体固定于所述芯片防抖可动部,所述感光封装体适于在所述芯片防抖可动部的带动下相对于所述致动器固定部移动,所述第一连接带硬板和所述第二连接带硬板均直接或间接地固定于所述致动器固定部。
- 根据权利要求15或16所述的摄像模组,其特征在于,所述光学致动器还包括镜头驱动可动部,所述光学镜头安装于所述镜头驱动可动部,并且适于在所述镜头驱动可动部的带动下相对于所述致动器固定部移动。
- 根据权利要求12所述的摄像模组,其特征在于,所述致动器固定部的外侧面具有向外侧凸起的凸柱,所述侧置连接带的所述硬板具有挂孔,所述凸柱穿过所述挂孔,以将所述侧置连接带悬挂于所述致动器固定部。
- 一种摄像模组,包括:光学镜头、感光组件、光学致动器以及用于为所述感光组件和所述光学致动器供电和/或布置功能电路的线路板结构;其特征在于,所述线路板结构具有第一硬板和第二硬板;其中,所述第一硬板和所述第二硬板的表面均平行于所述摄像模组的光轴,并且所述第一硬板和所述第二硬板均位于所述光学镜头和所述感光组件的外侧,所述第二硬板与所述第一硬板在侧视视角下重叠布置;所述第一硬板的外表面具有多个焊盘,所述第二硬板具有多个导电通孔,所述第一硬板的外表面面对所述第二硬板的内表面;所述焊盘与所述导电通孔通过焊接介质电连接,其中所述焊接介质附着在所述导电通孔的侧壁并穿过所述导电通孔接触所述焊盘。
- 根据权利要求19所述的摄像模组,其特征在于,所述线路板结构包括线路板主体和至少一个侧置连接带;所述线路板主体的表面垂直于所述光轴,所述侧置连接带自所述线路板主体的侧面引出并向上弯折,所述侧置连接带的表面平行于所述摄像模组的光轴,所述第二硬板是一个所述侧置连接带的一部分。
- 根据权利要求20所述的摄像模组,其特征在于,所述第一硬板是所述光学致动器的电路板。
- 根据权利要求20所述的摄像模组,其特征在于,所述线路板主体具有垂直于所述摄像模组的所述光轴的表面和平行于所述光轴的多个侧面,所述多个侧面包括第一侧面、与所述第一侧面相对的第二侧面、与所述第一侧面相邻的第三侧面和与所述第三侧面相对的第四侧面;所述侧置连接带包括:第一连接带,其包括第一连接带软板和第一连接带硬板,所述第一连接带软板自所述线路板主体的所述第一侧面引出并向上弯折,然后沿着所述第一侧面延伸,再弯折至所述第三侧面,所述第一连接带硬板位于所述第三侧面并且所述第一连接带硬板的侧面与所述第一连接带软板连接,所述第一连接带硬板的表面平行于所述光轴;以及第二连接带,其包括第二连接带软板和第二连接带硬板,所述第二连接带软板自所述线路板主体的所述第二侧面引出并向上弯折,然后沿着所述第二侧面延伸,再弯折至所述第三侧面,所述第二连接带硬板位于所述第三侧面并且所述第二连接带硬板的侧面与所述第二连接带软板连接,所述第二连接带硬板的表面平行于所述光轴;其中,所述第一连接带硬板位于所述第二连接带硬板的外侧,所述第一连接带硬板具有多个导电通孔,所述第二连接带硬板的外表面具有多个焊盘,所述导电通孔和所述焊盘通过焊接介质连接,所述焊接介质在熔化状态下喷射进入并穿过所述导电通孔,并且在冷却后附着在所述焊盘和所述导电通孔以将所述导电通孔和所述焊盘连接;其中,所述的第二硬板为所述第一连接带硬板,所述第一硬板包括所述的第二连接带硬板。
- 根据权利要求22所述的摄像模组,其特征在于,所述第一硬板还包括所述光学致动器的电路板,所述光学致动器的电路板的外表面与所述第二连接带硬板的外表面平齐,并且在侧向视角下,所述第一连接带硬板覆盖所述光学致动器的电路板的外表面和所述第二连接带硬板的外表面的至少一部分,所述第一连接带硬板的一部分所述导电通孔通过所述焊接介质与所述光学致动器的电路板的所述焊盘连接,所述第一连接带硬板的另一部分所述导电通孔通过所述焊接介质与所述第二连接带硬板的所述焊盘连接。
- 根据权利要求22所述的摄像模组,其特征在于,所述光学致动器具有多个致动器引脚,所述多个引脚的外侧面与所述第二连接带硬板的外表面平齐,并且在侧向视角下,所述第一连接带硬板覆盖所述致动器引脚的外侧面和所述第二连接带硬板的外表面的至少一部分,所述第一连接带硬板的一部分所述导电通孔通过所述焊接介质与所述光学致动器的电路板的所述致动器引脚电连接,所述第一连接带硬板的另一部分所述导电通孔通过所述焊接介质与所述第二连接带硬板的所述焊盘连接。
- 根据权利要求19所述的摄像模组,其特征在于,所述第一硬板与所述第二硬板之间通过黏合介质粘接;所述第一硬板的外表面和所述第二硬板的内表面之间具有不大于100μm的间隙。
- 根据权利要求25所述的摄像模组,其特征在于,所述焊接介质固化后形成的连接件与所述导电通孔的侧壁之间具有间隙。
- 根据权利要求25所述的摄像模组,其特征在于,所述导电通孔的孔壁上附着有金属层,所述金属层为金属镀层。
- 根据权利要求27所述的摄像模组,其特征在于,所述金属层为环形金属层。
- 根据权利要求27所述的摄像模组,其特征在于,所述金属层附着在所述导电通孔的一部分孔壁上,形成在侧视视角下不封闭的金属层。
- 根据权利要求29所述的摄像模组,其特征在于,所述第二硬板中,所有的所述导电通孔的所述不封闭的金属层均布置在所述导电通孔的同一侧。
- 根据权利要求30所述的摄像模组,其特征在于,所述第一连接带硬板中,所有的所述导电通孔的所述不封闭的金属层均布置在所述导电通孔的下侧。
- 根据权利要求22所述的摄像模组,其特征在于,所述线路板还包括自所述第一连接带硬板的下侧面引出并向外弯折而形成的第三连接带,所述第三连接带的表面垂直于所述光轴,并且所述第三连接带的自由端具有连接器,所述连接器适于与搭载所述摄像模组的电子设备的主板插接。
- 根据权利要求22所述的摄像模组,其特征在于,所述感光芯片固定于所述线路板主体,所述光学致动器适于驱动所述光学镜头和/或所述感光芯片移动;所述侧置连接带悬挂于所述光学致动器的固定部的外侧。
- 根据权利要求33所述的摄像模组,其特征在于,所述感光芯片贴附于所述线路板主体的上表面;所述线路板上表面设置环形底座,所述环形底座围绕在所述感光芯片的周围,所述环形底座的顶面安装于滤光片,所述滤光片、所述环形底座和所述线路板主体构成一封闭的腔体内,并将所述感光芯片封装在所述封闭的腔体内。
- 根据权利要求33所述的摄像模组,其特征在于,所述线路板主体的中央具有中央通孔,所述线路板主体的下表面贴附一补强板,所述感光芯片贴附于所述补强板的上表面并且所述感光芯片置于所述中央通孔中;所述线路板上表面设置环形底座,所述环形底座围绕在所述感光芯片的周围,所述环形底座的顶面安装于滤光片,所述滤光片、所述环形底座、所述线路板主体和所述补强板构成一封闭的腔体内,并将所述感光芯片封装在所述封闭的腔体内。
- 根据权利要求34所述的摄像模组,其特征在于,所述光学致动器包括致动器固定部和芯片防抖可动部,所述线路板主体、所述滤光片、所述环形底座、所述感光芯片构成的感光封装体固定于所述芯片防抖可动部,所述感光封装体适于在所述芯片防抖可动部的带动下相对于所述致动器固定部移动,所述第一连接带硬板和所述第二连接带硬板均直接或间接地固定于所述致动器固定部。
- 根据权利要求35所述的摄像模组,其特征在于,所述光学致动器包括致动器固定部和芯片防抖可动部,所述线路板主体、所述滤光片、所述环形底座、所述补强板和所述感光芯片构成的感光封装体固定于所述芯片防抖可动部,所述感光封装体适于在所述芯片防抖可动部的带动下相对于所述致动器固定部移动,所述第一连接带硬板和所述第二连接带硬板均直接或间接地固定于所述致动器固定部。
- 根据权利要求36或37所述的摄像模组,其特征在于,所述光学致动器还包括镜头驱动可动部,所述光学镜头安装于所述镜头驱动可动部,并且适于在所述镜头驱动可动部的带动下相对于所述致动器固定部移动。
- 一种摄像模组,包括:光学致动器、光学镜头和感光组件;其特征在于,所述感光组件包括线路板和感光芯片,所述线路板包括线路板主体,所述感光芯片直接或间接地安装于所述线路板主体;其中,所述光学致动器的至少一个侧面具有多个导电引脚,所述线路板主体的至少一个侧面具有多个侧凹部,每个所述侧凹部由所述线路板主体的侧面向内侧凹陷而形成,所述导电引脚伸入所述侧凹部,并由焊接介质将所述导电引脚和所述侧凹部电连接。
- 根据权利要求39所述的摄像模组,其特征在于,所述光学致动器具有芯片防抖部,所述的多个导电引脚自所述芯片防抖部的至少一个侧面引出;所述导电引脚包括横向部和竖直部,所述横向部自所述芯片防抖部的侧面向外侧延伸而成,所述竖直部由所述横向部的末端向下延伸而成。
- 根据权利要求40所述的摄像模组,其特征在于,所述竖直部穿过所述侧凹部,所述竖直部的底端越过所述线路板主体的下表面。
- 根据权利要求40所述的摄像模组,其特征在于,所述竖直部的底端位于所述线路板主体的上表面和所述线路板主体的下表面之间。
- 根据权利要求40所述的摄像模组,其特征在于,所述感光组件还包括补强板,所述补强板贴附于所述线路板主体的下表面,所述线路板主体具有中央通孔,所述感光芯片安装于所述补强板并且设置于所述线路板主体的所述中央通孔内。
- 根据权利要求43所述的摄像模组,其特征在于,所述竖直部的底端高于所述补强板的下表面。
- 根据权利要求39所述的摄像模组,其特征在于,所述摄像模组还包括一外框架,所述感光组件和所述光学致动器均容纳在所述外框架内部;所述外框架具有一框架底板,所述感光组件的底面与所述框架底板之间具有间隙。
- 根据权利要求45所述的摄像模组,其特征在于,所述框架底板具有引脚避让通孔;所述引脚避让通孔位于所述侧凹部的正下方,在仰视角度下所述引脚避让通孔的尺寸大于所述侧凹部的尺寸,并且所述引脚避让通孔的轮廓线与所述侧凹部的轮廓线具有不小于15μm的间距;所述侧凹部的深度为15-25μm。
- 根据权利要求46所述的摄像模组,其特征在于,所述外框架还包括导电布,所述导电布贴附于所述框架底板的底面并覆盖所述引脚避让通孔。
- 根据权利要求40所述的摄像模组,其特征在于,所述竖直部与所述线路板主体的表面的法线之间具有大于0°且小于10°的倾斜角。
- 根据权利要求39所述的摄像模组,其特征在于,所述侧凹部附着有金属镀层。
- 根据权利要求40所述的摄像模组,其特征在于,所述芯片防抖部包括芯片防抖固定部和芯片防抖可动部,所述的多个导电引脚从所述芯片防抖可动部的至少一个侧面引出。
- 根据权利要求50所述的摄像模组,其特征在于,所述线路板还包括两个侧置连接带;所述线路板主体具有垂直于所述摄像模组的光轴的表面和平行于所述光轴的多个侧面,所述多个侧面包括第一侧面、与所述第一侧面相对的第二侧面、与所述第一侧面相邻的第三侧面和与所述第三侧面相对的第四侧面;所述侧凹部位于所述第四侧面;所述侧置连接带包括:第一连接带,其包括第一连接带软板和第一连接带硬板,所述第一连接带软板自所述线路板主体的所述第一侧面引出并向上弯折,然后沿着所述第一侧面延伸,再弯折至所述第三侧面,所述第一连接带硬板位于所述第三侧面并且所述第一连接带硬板的侧面与所述第一连接带软板连接,所述第一连接带硬板的表面平行于所述光轴;以及第二连接带,其包括第二连接带软板和第二连接带硬板,所述第二连接带软板自所述线路板主体的所述第二侧面引出并向上弯折,然后沿着所述第二侧面延伸,再弯折至所述第三侧面,所述第二连接带硬板位于所述第三侧面并且所述第二连接带硬板的侧面与所述第二连接带软板连接,所述第二连接带硬板的表面平行于所述光轴;其中,所述第一连接带硬板位于所述第二连接带硬板的外侧,所述第一连接带硬板具有多个导电通孔,所述第二连接带硬板的外表面具有多个焊盘,所述导电通孔和所述焊盘通过焊接介质连接,所述焊接介质在熔化状态下喷射进入并穿过所述导电通孔,并且在冷却后附着于所述焊盘和所述导电通孔,并跨越所述导电通孔和所述焊盘之间的间隙以将二者连接。
- 根据权利要求51所述的摄像模组,其特征在于,所述线路板主体上表面设置环形底座,所述环形底座围绕在所述感光芯片的周围,所述环形底座的顶面安装滤光片,所述滤光片、所述环形底座和所述线路板主体构成一封闭的腔体内,并将所述感光芯片封装在所述封闭的腔体内;所述芯片防抖固定部和所述芯片防抖可动部均呈板状,且二者均具有位于中央区域的通光孔;所述芯片防抖可动部位于所述芯片防抖固定部的下方,所述线路板主体、所述滤光片、所述环形底座、所述感光芯片构成的感光封装体固定于所述芯片防抖可动部;所述感光封装体适于在所述芯片防抖可动部的带动下相对于所述芯片防抖固定部移动。
- 根据权利要求51所述的摄像模组,其特征在于,所述线路板主体的中央具有中央通孔,所述线路板主体的下表面贴附一补强板,所述感光芯片贴附于所述补强板的上表面并且所述感光芯片置于所述中央通孔中;所述线路板主体上表面设置环形底座,所述环形底座围绕在所述感光芯片的周围,所述环形底座的顶面安装于滤光片,所述滤光片、所述环形底座、所述线路板主体和所述补强板构成一封闭的腔体内,并将所述感光芯片封装在所述封闭的腔体内;所述芯片防抖固定部和所述芯片防抖可动部均呈板状,且二者均具有位于中央区域的通光孔;所述芯片防抖可动部位于所述芯片防抖固定部的下方,所述线路板主体、所述补强板、所述滤光片、所述环形底座、所述感光芯片构成的感光封装体固定于所述芯片防抖可动部;所述感光封装体适于在所述芯片防抖可动部的带动下相对于所述芯片防抖固定部移动。
- 根据权利要求52或53所述的摄像模组,其特征在于,所述光学致动器还包括镜头防抖部,所述镜头防抖部包括镜头防抖固定部和镜头防抖可动部,所述镜头防抖固定部固定于所述芯片防抖固定部,所述光学镜头安装于所述镜头防抖可动部,所述光学镜头适于在所述镜头防抖可动部的带动下相对于所述镜头防抖固定部移动。
- 根据权利要求54所述的摄像模组,其特征在于,所述光学镜头位于所述芯片防抖固定部的上方。
- 一种摄像模组,其包括光学镜头、感光组件和光学致动器,所述光学致动器包括致动器固定部和致动器可动部;其特征在于,所述感光组件具有感光芯片、线路板和补强板,所述线路板包括线路板主体和至少两个侧置连接带,所述补强板贴附于所述线路板主体底面;所述线路板主体具有垂直于所述摄像模组的光轴的表面和平行于所述光轴的多个侧面;对于每个所述侧置连接带,其自所述线路板主体的一个侧面引出并向上弯折,并在弯折后在所述光学镜头和/或所述感光组件的侧面延伸形成侧置连接带主体;所述侧置连接带包括互相连接的连接带软板和连接带硬板,所述连接带硬板悬挂于所述致动器固定部;所述连接带软板与所述线路板主体连接的部分形成向上弯折的软板弯折部,所述补强板的边缘区域具有向上弯折的补强板弯部以及自所述补强板弯部继续向上延伸而形成的补强板侧部,所述补强板弯部包裹在所述软板弯折部外侧,并且所述补强板侧部与所述侧置连接带接触但不互相连接。
- 根据权利要求56所述的摄像模组,其特征在于,所述线路板的至少两个侧置连接带中,其中一个所述侧置连接带的硬板的外表面具有多个焊盘,另一个所述侧置连接带的硬板具有多个导电通孔,这两个所述侧置连接带的硬板重叠布置;焊接介质附着在所述导电通孔的侧壁并穿过所述导电通孔接触所述焊盘。
- 根据权利要求57所述的摄像模组,其特征在于,所述多个侧面包括第一侧面、与所述第一侧面相对的第二侧面、与所述第一侧面相邻的第三侧面和与所述第三侧面相对的第四侧面;所述侧置连接带包括:第一连接带,其包括第一连接带软板和第一连接带硬板,所述第一连接带软板自所述线路板主体的所述第一侧面引出并向上弯折,然后沿着所述第一侧面延伸,再弯折至所述第三侧面,所述第一连接带硬板位于所述第三侧面并且所述第一连接带硬板的侧面与所述第一连接带软板连接,所述第一连接带硬板的表面平行于所述光轴;以及第二连接带,其包括第二连接带软板和第二连接带硬板,所述第二连接带软板自所述线路板主体的所述第二侧面引出并向上弯折,然后沿着所述第二侧面延伸,再弯折至所述第三侧面,所述第二连接带硬板位于所述第三侧面并且所述第二连接带硬板的侧面与所述第二连接带软板连接,所述第二连接带硬板的表面平行于所述光轴;其中,所述第一连接带硬板位于所述第二连接带硬板的外侧,所述第一连接带硬板具有多个导电通孔,所述第二连接带硬板的外表面具有多个焊盘,所述导电通孔和所述焊盘通过焊接介质连接,所述焊接介质在熔化状态下喷射进入并穿过所述导电通孔,并且在冷却后附着在所述焊盘和所述导电通孔以将所述导电通孔和所述焊盘电连接。
- 根据权利要求58所述的摄像模组,其特征在于,所述第一连接带硬板与所述第二连接带硬板之间通过黏合介质粘接;所述第一连接带硬板的内表面和所述第二连接带硬板的外表面之间具有不大于100μm的间隙。
- 根据权利要求59所述的摄像模组,其特征在于,所述焊接介质在熔化状态下以喷射流的形式进入所述导电通孔并附着于所述导电通孔的侧壁,并且所述焊接介质穿过所述导电通孔并接触所述焊盘;并且所述焊接介质在固化后构成跨越所述第一连接带硬板的内表面和所述第二连接带硬板的外表面之间间隙的连接件;所述焊接介质与所述导电通孔的一部分孔壁之间保留有孔隙。
- 根据权利要求56所述的摄像模组,其特征在于,所述补强板为金属板。
- 根据权利要求61所述的摄像模组,其特征在于,所述补强板的厚度小于所述线路板主体的厚度。
- 根据权利要求56所述的摄像模组,其特征在于,所述线路板主体的中央具有中央通孔,所述感光芯片贴附于所述补强板的上表面并且所述感光芯片置于所述中央通孔中;所述线路板主体上表面设置环形底座,所述环形底座围绕在所述感光芯片的周围,所述环形底座的顶面安装于滤光片,所述滤光片、 所述环形底座、所述线路板主体和所述补强板构成一封闭的腔体内,并将所述感光芯片封装在所述封闭的腔体内。
- 根据权利要求63所述的摄像模组,其特征在于,所述致动器可动部包括芯片防抖可动部,所述线路板主体、所述滤光片、所述环形底座、所述补强板和所述感光芯片构成的感光封装体固定于所述芯片防抖可动部,所述感光封装体适于在所述芯片防抖可动部的带动下相对于所述致动器固定部移动。
- 根据权利要求64所述的摄像模组,其特征在于,所述致动器固定部的外侧面具有向外侧凸起的凸柱,所述侧置连接带的所述硬板具有挂孔,所述凸柱穿过所述挂孔,以将所述侧置连接带悬挂于所述致动器固定部。
- 根据权利要求58所述的摄像模组,其特征在于,所述线路板还包括自所述第一连接带硬板的下侧面引出并向外弯折而形成的第三连接带,所述第三连接带的表面垂直于所述光轴,并且所述第三连接带的自由端具有连接器,所述连接器适于与搭载所述摄像模组的电子设备的主板插接。
- 根据权利要求64所述的摄像模组,其特征在于,所述致动器可动部还包括镜头驱动可动部,所述光学镜头安装于所述镜头驱动可动部,并且适于在所述镜头驱动可动部的带动下相对于所述致动器固定部移动。
- 根据权利要求61所述的摄像模组,其特征在于,所述补强板弯部与所述补强板的主体部是一体成型的,所述补强板弯部位于所述补强板的主体部的侧部的外侧,且所述补强板弯部的宽度小于所述补强板的主体部的侧部。
- 根据权利要求61所述的摄像模组,其特征在于,所述补强板弯部具有通孔。
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007293052A (ja) * | 2006-04-25 | 2007-11-08 | Matsushita Electric Ind Co Ltd | ズームレンズ系、撮像装置及びカメラ |
CN111665677A (zh) * | 2020-04-29 | 2020-09-15 | 高瞻创新科技有限公司 | 折叠电路板结构 |
CN212211129U (zh) * | 2020-04-30 | 2020-12-22 | 华为技术有限公司 | 摄像头模组及电子设备 |
CN213028255U (zh) * | 2020-09-23 | 2021-04-20 | 东莞市亚登电子有限公司 | 感光芯片的电路结构及摄像模块和电子设备 |
CN113259548A (zh) * | 2020-02-13 | 2021-08-13 | 南昌欧菲光电技术有限公司 | 摄像头模组、摄像装置及电子设备 |
CN113347344A (zh) * | 2021-06-25 | 2021-09-03 | 成都易迅光电科技有限公司 | 传感器位移防抖机构、摄像模组及摄像模组封装方法 |
CN114428435A (zh) * | 2020-10-14 | 2022-05-03 | 宁波舜宇光电信息有限公司 | 用于光学致动器的驱动结构及相应的摄像模组 |
CN114554068A (zh) * | 2020-11-25 | 2022-05-27 | 宁波舜宇光电信息有限公司 | 光学防抖摄像模组 |
-
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Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007293052A (ja) * | 2006-04-25 | 2007-11-08 | Matsushita Electric Ind Co Ltd | ズームレンズ系、撮像装置及びカメラ |
CN113259548A (zh) * | 2020-02-13 | 2021-08-13 | 南昌欧菲光电技术有限公司 | 摄像头模组、摄像装置及电子设备 |
CN111665677A (zh) * | 2020-04-29 | 2020-09-15 | 高瞻创新科技有限公司 | 折叠电路板结构 |
CN212211129U (zh) * | 2020-04-30 | 2020-12-22 | 华为技术有限公司 | 摄像头模组及电子设备 |
CN213028255U (zh) * | 2020-09-23 | 2021-04-20 | 东莞市亚登电子有限公司 | 感光芯片的电路结构及摄像模块和电子设备 |
CN114428435A (zh) * | 2020-10-14 | 2022-05-03 | 宁波舜宇光电信息有限公司 | 用于光学致动器的驱动结构及相应的摄像模组 |
CN114554068A (zh) * | 2020-11-25 | 2022-05-27 | 宁波舜宇光电信息有限公司 | 光学防抖摄像模组 |
CN113347344A (zh) * | 2021-06-25 | 2021-09-03 | 成都易迅光电科技有限公司 | 传感器位移防抖机构、摄像模组及摄像模组封装方法 |
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