WO2023232001A1 - Dispositif d'entraînement et module de caméra - Google Patents

Dispositif d'entraînement et module de caméra Download PDF

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Publication number
WO2023232001A1
WO2023232001A1 PCT/CN2023/096988 CN2023096988W WO2023232001A1 WO 2023232001 A1 WO2023232001 A1 WO 2023232001A1 CN 2023096988 W CN2023096988 W CN 2023096988W WO 2023232001 A1 WO2023232001 A1 WO 2023232001A1
Authority
WO
WIPO (PCT)
Prior art keywords
focus
shake
base
magnet
circuit board
Prior art date
Application number
PCT/CN2023/096988
Other languages
English (en)
Chinese (zh)
Inventor
赵波杰
魏罕钢
姜瑶清
王琴
Original Assignee
宁波舜宇光电信息有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202210613358.6A external-priority patent/CN117221719A/zh
Priority claimed from CN202210615967.5A external-priority patent/CN117221720A/zh
Priority claimed from CN202210615991.9A external-priority patent/CN117221688A/zh
Priority claimed from CN202210613353.3A external-priority patent/CN117221672A/zh
Priority claimed from CN202210615996.1A external-priority patent/CN117221673A/zh
Application filed by 宁波舜宇光电信息有限公司 filed Critical 宁波舜宇光电信息有限公司
Publication of WO2023232001A1 publication Critical patent/WO2023232001A1/fr

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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

Definitions

  • the present application relates to the technical field of camera modules, and in particular, to a driving device and a camera module.
  • the driving device drives the optical lens to move along the optical axis to achieve the focusing function to achieve clear shooting at different distances.
  • mobile electronic devices are usually equipped with anti-shake devices to drive the lens. Or the photosensitive chip moves to achieve anti-shake function.
  • an optimized driving device and camera module are expected to satisfy the focus function and/or anti-shake function while keeping the size small.
  • An object of the present application is to provide a driving device and a camera module that overcome the shortcomings of the existing technology, satisfy the focus function and/or anti-shake function of the camera module, and at the same time control the size to be smaller.
  • a driving device including:
  • Chip anti-shake part which includes:
  • An anti-shake movable part, the anti-shake movable part is provided on the image side of the base;
  • An anti-shake drive unit includes a plurality of anti-shake magnets and a plurality of anti-shake coils, the plurality of anti-shake magnets are arranged opposite to the plurality of anti-shake coils, the plurality of anti-shake magnets are Disposed on the base, the plurality of anti-shake coils are provided on the anti-shake movable part; and
  • Lens focusing part which includes:
  • a focus movable portion provided on the object side of the base, the focus movable portion having a peripheral side located between the image side and the object side of the focus movable portion;
  • the focus drive part includes a focus magnet and a focus coil.
  • the focus magnet is disposed opposite to the focus coil.
  • the focus magnet is disposed on the base.
  • the focus coil is disposed on the focus coil.
  • a focus magnetic attraction member is provided on the focus movable part, and the focus magnetic attraction member and the common magnet attract each other in the horizontal direction;
  • a focus support member provided on one of the peripheral sides of the focus movable part, wherein the focus support member and the common magnet are located on opposite sides of the focus movable part , the focus support member is clamped between the focus movable part and the base under the action of the focus magnetic attraction member.
  • the common magnet and the focus magnetic member are located on the same side of the focus movable part, and the focus magnetic member and the focus support member are located on the side of the focus movable part. Different side.
  • the peripheral side of the focus movable part includes a first side, a second side, a third side and a fourth side arranged sequentially in a clockwise direction
  • the focus magnetic attraction member is The focus support member is provided on the first side of the focus movable part, and the focus support member is provided on the second side and the fourth side of the focus movable part.
  • the focus coil and the common magnet are arranged opposite each other in the horizontal direction
  • the anti-shake coil and the common magnet are arranged opposite in the height direction
  • the common magnet is respectively connected with the focus coil and the common magnet.
  • the anti-shake coil interacts with each other to drive the focus carrier and the anti-shake movable carrier to move relative to the base.
  • the focus support member includes a first ball mounting portion, a second ball mounting portion, and a focus ball clamped between the first ball mounting portion and the second ball mounting portion, so The first ball mounting part is provided on the focus carrier, and the second ball mounting part is provided on the base.
  • the first ball mounting portion has an opening facing the common magnet
  • the second ball mounting portion has an opening facing away from the common magnet
  • the focusing ball is on the focusing magnet. The suction member is clamped between the opening of the first ball mounting part and the opening of the second ball mounting part.
  • the number of the first ball mounting parts is two
  • the number of the second ball mounting parts is two
  • Parts are respectively provided on the second side and the fourth side of the focus movable part.
  • the plurality of anti-shake magnets further includes other magnets except the common magnet, and the height of the common magnet is higher than the height of the other magnets.
  • the projected area of the common magnet along the height direction is smaller than the projected area of the other magnets along the height direction.
  • a camera module including:
  • optical lens the optical lens is held on the photosensitive path of the photosensitive component
  • the driving device is suitable for driving the photosensitive component and the optical lens to move.
  • Another object of the present application is to provide a driving device and a camera module that overcome the shortcomings of the existing technology, satisfy the focus function and/or anti-shake function of the camera module, and at the same time control the size to be smaller.
  • a driving device including:
  • Lens focusing part which includes:
  • a focus movable portion provided on the object side of the base, the focus movable portion having a peripheral side located between the image side and the object side of the focus movable portion;
  • the focus drive part includes a focus magnet and a focus coil.
  • the focus magnet is disposed opposite to the focus coil.
  • the focus magnet is disposed on the base.
  • the focus coil is disposed on the focus coil.
  • a focus magnetic attraction member is provided on one of the peripheral sides of the focus movable part, and the focus magnetic attraction member and the focus magnet attract each other in the horizontal direction;
  • a focus support member is provided on one of the peripheral sides of the focus movable part, wherein the focus support member and the focus magnetic attraction member are provided on the focus movable part. On the opposite side of the part, the focus support member is clamped between the focus movable part and the base under the action of the focus magnetic attraction member.
  • the peripheral side of the focus movable part includes a first side, a second side, a third side and a fourth side arranged sequentially in a clockwise direction
  • the focus magnetic attraction member is The focus support member is provided on the first side of the focus movable part, and the focus support member is provided on the second side and the fourth side of the focus movable part.
  • the focus magnetic attraction member and the focus drive part are disposed on the same side of the peripheral side of the focus movable part, and the focus support member and the focus drive part It is provided on the opposite side among the peripheral sides of the focus movable part.
  • the focus coil has a side close to the focus magnet and a side far away from the focus magnet, and the focus magnetic member is disposed on a side of the focus coil away from the focus magnet. On one side, the focusing magnetic attraction member is arranged opposite to the focusing magnet.
  • the focus support member includes a first ball mounting portion, a second ball mounting portion, and a focus ball clamped between the first ball mounting portion and the second ball mounting portion
  • the first ball mounting part is provided on the focus carrier, and the second ball mounting part is provided on the base.
  • the first ball mounting portion has an opening facing the focusing magnetic member
  • the second ball mounting portion has an opening facing away from the focusing magnetic member
  • the focusing magnetic member The force between the component and the focusing magnet causes the focusing ball to be clamped between the opening of the first ball mounting part and the opening of the second ball mounting part.
  • the height of the second ball mounting portion is higher than the height of the first ball mounting portion.
  • the distance between the first ball mounting portion and the focusing magnetic member is greater than the distance between the second ball mounting portion and the focusing magnetic member. distance from the center to the focusing magnetic member.
  • the driving device further includes a chip anti-shake part, the chip anti-shake part includes: an anti-shake movable part, the anti-shake movable part is disposed on the image side of the base ;Anti-shake driving part, the anti-shake driving part includes a plurality of anti-shake magnets and a plurality of anti-shake coils, the plurality of anti-shake magnets are arranged opposite to the plurality of anti-shake coils, the plurality of anti-shake magnets The plurality of anti-shake coils are provided on the base, and the plurality of anti-shake coils are provided on the anti-shake movable part. At least one of the plurality of anti-shake magnets extends toward the object side and forms a common magnet with the focus magnet.
  • a camera module including:
  • optical lens the optical lens is held on the photosensitive path of the photosensitive component
  • the driving device is suitable for driving the photosensitive component and the optical lens to move.
  • a driving device including:
  • the lens focusing part wherein the lens focusing part is arranged on the object side of the base, the lens focusing part includes
  • a focus carrier movably mounted to the base
  • the focus coil is installed on one side of the focus carrier,
  • a common magnet is provided opposite to the focusing coil
  • chip anti-shake part wherein the chip anti-shake part is installed on the image side of the base and is used to move the photosensitive chip, including:
  • an anti-shake movable carrier the anti-shake movable carrier being movably mounted to the base
  • At least one anti-shake magnet is provided on the base, on an opposite side to the common magnet,
  • An anti-shake coil is arranged on the anti-shake movable carrier and is opposite to the anti-shake magnet and the common magnet,
  • the base includes an upward extension part and a bottom side transverse extension part, the bottom side transverse extension part extends in a horizontal direction, the upward extension part extends from the bottom side transverse extension part along the optical axis toward the object side direction, and
  • the upward extending portion constitutes a magnet installation position for installing the common magnet, and the anti-shake magnet is arranged on the bottom side transverse extending portion.
  • the common magnet penetrates the lens focusing part and the chip anti-shake part, is higher than the anti-shake magnet in the height direction, drives the focus carrier to move along the optical axis, and is driven together with the anti-shake magnet
  • the anti-shake carrier moves in a direction perpendicular to the optical axis.
  • the base further includes a top lateral extension extending in a horizontal direction from the upward extension, and the top lateral extension is higher than the bottom lateral extension.
  • the bottom side transverse extension is provided with four corners, and one end is close to and faces the two corners of the focus coil side, extending from the bottom side transverse extension along the optical axis toward the object side.
  • a first upward extension part and a second upward extension part are obtained, and the top transverse extension part, the first upward extension part, and the second upward extension part form the installation position of the common magnet.
  • an anti-shake magnet installation position is provided on a lower surface of the bottom side transverse extension, and the anti-shake magnet is disposed at the anti-shake magnet installation position.
  • the bottom transverse extension is located on three sides of the base, and the bottom transverse extension is not provided on one side of the base, forming an opening of the base, and the opening Towards the side where the transverse extension of the base base is not provided.
  • the top transverse extension is provided on a side where the bottom transverse extension is not provided, on a side of the opening of the base, and the bottom transverse extension is Different side settings.
  • the height of the common magnet extending downward is greater than the height of the first upward extension part and the second upward extension part, and the lower surface of the common magnet is lower than the first upward extension part. and the lower surface of the second upward extending portion, so that the lower surface of the common magnet is directly exposed to the base.
  • a housing is further included.
  • the housing and the base form an upper accommodation space and a lower accommodation space.
  • the upper accommodation space accommodates the lens focusing part
  • the lower accommodation space accommodates the lens focusing part.
  • the lens focusing part further includes a pair of focus support members, which are clamped between the focus movable part and the base and are disposed on opposite sides of the common magnet.
  • Another object of the present application is to provide a driving device and a camera module that overcome the shortcomings of the existing technology, satisfy the focus function and/or anti-shake function of the camera module, and at the same time control the size to be smaller.
  • a driving device including:
  • Chip anti-shake part including
  • An anti-shake movable carrier is movably installed below the base
  • At least two anti-shake magnets are asymmetrically arranged on the base for driving movement along the optical axis and along the direction perpendicular to the optical axis, wherein the anti-shake magnets include a first anti-shake magnet arranged on the base.
  • the anti-shake coil is arranged on the anti-shake movable carrier, located below the anti-shake magnet and opposite to the anti-shake magnet;
  • Lens focus part including
  • a focusing carrier is movably mounted on the base
  • Focus coil the focus coil is arranged on one side of the focus carrier, facing the common magnet;
  • the height of the common magnet is higher than the height of the other anti-shake magnets.
  • the common magnet includes upper and lower magnetic poles along the optical axis direction and inner and outer magnetic poles along the direction perpendicular to the optical axis
  • the other anti-shake magnets include inner and outer magnetic poles along the direction perpendicular to the optical axis.
  • the upper and lower magnetic poles of the common magnet provide the magnetic field required for the focus carrier to move along the optical axis.
  • the inner and outer magnetic poles of the magnet and the inner and outer magnets of the other anti-shake magnets provide the magnetic field required for the anti-shake movable carrier to move perpendicular to the optical axis.
  • the base includes an upward extension, a top transverse extension, and a bottom transverse extension.
  • the bottom transverse extension extends in the horizontal direction and is in the shape of a horizontal hollow ring.
  • the other anti-shake magnets are provided Lateral extensions on the base.
  • the upward extending portion integrally extends from the bottom side lateral extending portion along the optical axis toward the object side, and the top lateral extending portion extends from the upward extending portion along the horizontal direction and connects the two sides.
  • the adjacent upward extending portion integrally extends from the bottom side lateral extending portion along the optical axis toward the object side, and the top lateral extending portion extends from the upward extending portion along the horizontal direction and connects the two sides.
  • the top transverse extension is disposed on a first side of the base, the bottom transverse extension is disposed on a third side opposite the first side, and the top transverse extension is higher than The bottom side transverse extension.
  • the top transverse extending portion and the two upward extending portions located on the first side constitute a mounting portion of the common magnet for mounting the common magnet.
  • the lens focusing part further includes a focusing conductive part, the focusing conductive part is disposed between the focusing carrier and the base, and is coupled to the focusing carrier and the base respectively.
  • the focus conductive part includes a focus circuit board and conductive terminals.
  • the focus circuit board is electrically connected to the focus coil and the conductive elements of the base.
  • the conductive terminals are electrically connected to the conductive terminals.
  • the circuit board assembly of the component and the photosensitive component is used to realize the circuit conduction of the focusing part of the lens.
  • the focusing circuit board includes a connecting end, an extending end and a bending end.
  • the connecting end is electrically connected to the focusing coil and the conductive element of the base respectively.
  • At least two of the extending ends Each of the two connecting ends integrally extends in the horizontal direction, and at least one of the bent ends is disposed between at least two of the extending ends.
  • a camera module including:
  • Chip anti-shake part which includes:
  • An anti-shake movable part, the anti-shake movable part is movably provided on the image side of the base;
  • the photosensitive component includes a photosensitive chip and a circuit board component
  • the circuit board component includes a chip circuit board fixed to the anti-shake movable part and a connecting circuit board
  • the photosensitive chip is electrically connected to the chip circuit board
  • the connection circuit board includes an inner circuit board, an outer circuit board and a flexible conductive mechanism connecting the inner circuit board and the outer circuit board.
  • the chip circuit board is fixed above the inner circuit board, and the outer circuit board The circuit board is fixed to the base.
  • the outer circuit board has a through hole, and the inner circuit board and the flexible conductive mechanism are disposed in the through hole.
  • the size of the chip circuit board is larger than the size of the inner circuit board on at least one side of the circuit board assembly.
  • the inner circuit board is higher than the outer circuit board.
  • the anti-shake movable part includes an anti-shake movable carrier
  • the chip anti-shake part further includes an anti-shake driving part disposed between the anti-shake movable carrier and the base.
  • the chip anti-shake driving part includes anti-shake magnets and anti-shake coils arranged oppositely, the anti-shake magnets are arranged on the base, and the anti-shake coils are arranged on the anti-shake movable carrier .
  • the chip anti-shake part further includes an anti-shake holding part.
  • the anti-shake holding part includes an anti-shake magnetic member provided on the anti-shake movable carrier and an anti-shake magnetic member provided on the base. and the anti-shake movable carrier.
  • the magnetic attraction force generated between the anti-shake magnetic attraction member and the anti-shake magnet causes the anti-shake movable carrier to be attracted to the base.
  • the anti-shake support member is clamped by the anti-shake movable carrier and the base.
  • the camera module further includes a lens focusing portion, which includes a focus movable portion movably disposed on the object side of the base and a focus movable portion disposed on the object side of the base.
  • the focus driving part is between the focus movable part and the base, and the focus driving part is adapted to drive the focus movable part to move relative to the base.
  • the photosensitive component further includes a base fixed to the outer circuit board, and there is an air gap between the base and the inner circuit board.
  • the circuit board assembly further includes an inner reinforcing plate fixed on the back of the inner circuit board, and there is an air gap between the inner reinforcing plate and the base.
  • the camera module further includes a housing, the housing has a receiving cavity to accommodate the base and the chip anti-shake part, the base is fixed to the housing, and the outer The circuit board is indirectly fixed to the base by being fixed to the housing.
  • this application has at least one of the following technical effects:
  • the camera module focusing function and/or anti-shake function is realized.
  • the anti-shake magnet and the focus magnet are shared to reduce the number of components in the driving device and make the structure of the driving device more compact.
  • the focus support member and the common magnet are located on opposite sides of the focus movable part, allowing the focus carrier to move smoothly along the optical axis.
  • the focus support member and the focus magnetic attraction member are arranged on opposite sides of the focus movable part, so that the focus support member is clamped between the focus movable part and the base under the action of the focus magnetic attraction member.
  • the chip circuit board is bonded and fixed above the inner circuit board, so that the inner circuit board does not need to be designed to be larger, thus reducing the size of the camera module.
  • An object of the present application is to provide a driving device that overcomes the shortcomings of the prior art, and while satisfying the focusing function and/or anti-shake function of the driving device, the size can be controlled to be smaller.
  • Another object of the present application is to provide a camera module that overcomes the shortcomings of the existing technology and satisfies the optical anti-shake function of the camera module.
  • Another object of the present application is to provide a camera module that can achieve an optical anti-shake function by using a chip circuit board and a connection circuit board, and at the same time, the size of the camera module can be controlled to be smaller.
  • Figure 1 is a schematic structural diagram of a camera module according to an embodiment of the present application.
  • Figure 2 is an exploded schematic diagram of a camera module according to an embodiment of the present application.
  • Figure 3 is a schematic structural diagram of a base according to an embodiment of the present application.
  • Figure 4 is an exploded schematic diagram of the focusing part of the lens according to an embodiment of the present application.
  • Figure 5 is a schematic structural diagram of a focus carrier according to an embodiment of the present application.
  • Figure 6 is a top view of the focusing part of the lens according to an embodiment of the present application.
  • Figure 7 is a schematic cross-sectional view of a camera module according to an embodiment of the present application.
  • Figure 8 is a schematic structural diagram of the anti-shake part of the chip according to the embodiment of the present application.
  • Figure 9 is an exploded schematic diagram of the anti-shake part of the chip according to an embodiment of the present application.
  • Figure 10A is a bottom view of the anti-shake part of the chip according to an embodiment of the present application.
  • Figure 10B is a top view of the anti-shake part of the chip according to an embodiment of the present application.
  • Figure 11A is a schematic cross-sectional view of a camera module according to an embodiment of the present application.
  • Figure 11B is an enlarged schematic diagram of the circular area A in Figure 11A;
  • Figure 12A is a schematic cross-sectional view of a camera module according to another embodiment of the present application.
  • Figure 12B is an enlarged schematic view of the circular area B in Figure 12A;
  • Figure 13 is a schematic structural diagram of a circuit board assembly according to an embodiment of the present application.
  • the terms “setting”, “installation”, “connecting” and “connecting” should be understood in a broad sense.
  • it can be a fixed connection, It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, a contact connection or an indirect connection through an intermediate medium; it can be an internal connection between two components.
  • the specific meanings of the above terms in this application can be understood according to specific circumstances.
  • Configured as various units, circuits, or other components may be described or recited as being “configured to” perform one or more tasks.
  • “configured to” is used to imply structure by indicating that the unit/circuit/component includes structure (eg, circuitry) that performs the task or tasks during operation.
  • “configured to” may include general-purpose structures (eg, general-purpose circuitry) manipulated by software and/or firmware to operate in a manner capable of performing the task or tasks to be solved.
  • Configured to may also include adapting a manufacturing process (eg, a semiconductor fabrication facility) to fabricate a device (eg, an integrated circuit) suitable for implementing or performing one or more tasks.
  • the term “if” may be interpreted to mean “when” or “in response to” or “in response to determining” or “in response to detecting”, depending on the context.
  • the phrase “if it is determined" or “if [the stated condition or event] is detected” may be interpreted to mean “when it is determined" or “in response to the determination... ” or “on detection of [stated condition or event]” or “in response to detection of [stated condition or event].”
  • 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 a driver for driving
  • a driving device 20 that moves the optical lens 10 and/or the photosensitive component 30 to adjust optical performance, for example, is used to implement functions such as optical anti-shake and optical focusing.
  • the optical lens 10 includes a lens barrel 11 and a lens group 12 installed on the lens barrel 11 .
  • the lens group 12 includes at least one optical lens.
  • the lens group 12 is accommodated in the lens barrel 11 .
  • the number of at least one optical lens in the lens group 12 may be one or more and is not limited.
  • the photosensitive component 30 is arranged opposite to the optical lens 10 along the direction of the optical axis of the optical lens 10 .
  • the optical axis of the optical lens 10 is also the optical axis of the lens group 12 .
  • the optical axis passes through the lens group 12 along the arrangement direction of the first lens.
  • the optical axis direction includes the direction along the optical axis pointing to the image side (in this application (referred to as the image side), and the direction along the optical axis pointing to the object side (referred to as the object side in this application).
  • the horizontal direction is perpendicular to the optical axis, and the height direction is along the optical axis.
  • the driving device 20 further includes a lens focusing part 23 and a chip anti-shake part 24, wherein the lens focusing part 23 can drive the optical lens 10 to move in the Z-axis direction to adjust the distance of the optical lens 10 relative to the photosensitive component 30 to achieve The focusing function of the optical lens 10; wherein, the chip anti-shake part 24 can drive the photosensitive component 30 to translate in the X-axis and Y-axis directions and/or rotate around the Z-axis direction to achieve translational anti-shake and/or Rotating anti-shake function.
  • 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 lie.
  • the X-axis, Y-axis and Z-axis constitute a three-dimensional coordinate system.
  • the XOY plane where the axial direction and the Y-axis direction are located is also called the plane where the horizontal direction is located, and the Z-axis is close to the optical axis direction or the direction parallel to the optical axis.
  • the driving device 20 includes a lens focusing part 23 and a chip anti-shake part 24 , wherein the optical lens 10 is provided in the lens focusing part 23 , and the lens focusing part 23 It is configured to drive the optical lens 10 to move to achieve the optical focusing function; the photosensitive component 30 is provided in the chip anti-shake part 24, and the chip anti-shake part 24 is configured to drive the photosensitive component 30 to move to achieve the optical anti-shake function.
  • the driving device 20 includes an object side, an image side, and a first side 101 , a second side 102 , a third side 103 and a fourth side 104 around its circumference in a clockwise direction.
  • the driving device 20 further includes a housing 22, wherein the housing 22 is fixed to the photosensitive component 30.
  • the housing 22 includes a housing body 221, and the housing body 221 includes an annular side wall 2211 and a top. 2212, the annular side wall 2211 and the top 2212 form a receiving cavity, which accommodates the lens focusing part 23, the chip anti-shake part 24 and the base 21. On the one hand, it can prevent dust from entering, and on the other hand, it can avoid the components falling during impact. .
  • the driving device 20 further includes a base 21, which is fixedly connected to the housing 22, that is, The base 21 and the housing 22 are both stators.
  • the lens focusing part 23 and the chip anti-shake part 24 can be driven to move relative to the base 21 .
  • the base 21 is disposed between the lens focusing part 23 and the chip anti-shake part 24, that is, the lens focusing part 23 is disposed on the object side of the base 21, and the chip anti-shake part 24 is disposed on the base 21.
  • the base 21 is movably connected to the lens focusing part 23 and the chip anti-shake part 24 respectively, so that the lens focusing part 23 and the chip anti-shake part 24 can move relative to the base 21 .
  • the base 21 includes an upward extending portion 211 , a top lateral extending portion 212 and a bottom lateral extending portion 213 .
  • the upward extending portion 211 integrally extends from the bottom side transverse extension portion 213 along the optical axis toward the object side direction.
  • the number of the upward extending portions 211 is four, and they are respectively provided on the bottom side transverse extension portion.
  • the four corners of 213 include a first upward extension part 2111, a second upward extension part 2112, a third upward extension part 2113 and a fourth upward extension part 2114.
  • the bottom transverse extension part 213 extends in the horizontal direction and is in the shape of a horizontal hollow ring.
  • the bottom transverse extension part 213 is located on three sides of the base 21, and there is no bottom side on one side of the base 21.
  • the transverse extension part 213 that is, the base 21 has an opening, and the opening faces the side where the bottom transverse extension part 213 is not provided.
  • the top transverse extension part 212 extends in the horizontal direction from the upward extension part 211 and connects two adjacent upward extension parts 211.
  • the top transverse extension part 212 is higher than the bottom side transverse extension part 213.
  • the top transverse extension part 212 The number of the extension portion 212 is one, which is provided on the side of the base 21 where the bottom transverse extension portion 213 is not provided, that is, the top transverse extension portion 212 is provided on the side of the base 21 where the opening is located. That is to say, the top transverse extension part 212 and the bottom transverse extension part 213 are provided on opposite sides.
  • the top transverse extension 212 is provided on the first side 101
  • the bottom transverse extension 213 is provided on the third side 103 opposite to the first side 101 .
  • the base 21 further includes a pair of focusing magnet 2321 mounting parts 214.
  • the focusing magnet 2321 mounting parts 214 are disposed on one side wall of the base 21.
  • two adjacent upward extending portions 211 and the top transverse extending portion 212 form a pair of focusing magnet 2321 mounting portions 214.
  • the first upward extending portion 2111 and the second upward extending portion 2111 located on the first side 101 The upward extending portion 2112 and the top transverse extending portion 212 constitute the mounting portion 214 of the focusing magnet 2321 .
  • the lens focusing part 23 includes a focus movable part 231 , a focus driving part 232 and a focus conductive part 233 , wherein the lens is coupled to the focus movable part 231 , the focusing conductive part 233 provides driving power for the lens focusing part 23, and the focusing driving part 232 drives the focusing movable part 231 to move relative to the base 21, thereby driving the optical lens 10 to move along the optical axis direction to achieve the optical focusing function.
  • the lens focusing part 23 is disposed on the object side of the base 21
  • the chip anti-shake part 24 is disposed on the image side of the base 21 , so that the optical lens 10 is disposed on the photosensitive path of the photosensitive component 30 .
  • the base 21 remains stationary.
  • the focus movable part 231 can drive the optical lens 10 to move relative to the photosensitive component 30 in the direction along the optical axis.
  • the focus movable part 231 is disposed on the object side of the base 21 .
  • the focus movable part 231 has a peripheral side located between the object side and the image side of the focus movable part 231 .
  • the focus movable part 231 is disposed on the object side of the base 21 .
  • the peripheral side of the movable part 231 includes a first side 101, a second side 102, a third side 103 and a fourth side 104 arranged sequentially in the clockwise direction.
  • the focus movable part 231 includes a pair of focus carriers 2311, the base 21 and the housing. A receiving space is formed between 22 , and the focusing carrier 2311 is received in the receiving space and can move relative to the housing 22 and the base 21 .
  • the optical lens 10 is disposed in the installation cavity 23111, so that the optical lens 10 can follow the focus carrier. 2311 to move. Furthermore, there is a certain gap between the focus carrier 2311 and the housing 22 and the base 21 so that there will be no interference when the focus carrier 2311 moves relative to the housing 22 and the base 21 .
  • the focus carrier 2311 further includes anti-collision bosses 23112.
  • the anti-collision bosses 23112 are respectively provided at the object side end and the image side end of the focus carrier 2311, so that the focus carrier 2311 will not directly move when moving along the optical axis direction.
  • the impact on the base 21 and the housing 22 prevents the optical lens 10 provided on the focus carrier 2311 from being damaged due to impact.
  • the focus carrier 2311 further includes a pair of focus coil 2322 mounting parts 23113.
  • the focus coil 2322 mounting part 23113 is located on one side wall of the focus carrier 2311.
  • the focus coil 2322 mounting part 23113 is opposite to the focus magnet 2321 mounting part 214.
  • the focus driving part 232 is disposed between the focus movable part 231 and the base 21 , and the focus driving part 232 can drive the focus movable part 231 to move along the optical axis direction relative to the base 21 .
  • the focus driving part 232 includes a focus coil 2322 and a focus magnet 2321.
  • the focus magnet 2321 is provided opposite to the focus coil 2322.
  • the focus magnet 2321 is provided on the base 21 and the focus coil 2322 is provided on the focus movable part 231.
  • the focus coil 2322 is disposed on the focus coil 2322 mounting part 23113 of the focus carrier 2311, and the focus magnet 2321 is disposed on the focus magnet 2321 mounting part 214 of the base 21, so that the focus magnet 2321 and the focus
  • the coils 2322 are arranged oppositely along the optical axis direction.
  • the focus coil 2322 is energized, the magnetic field generated interacts with the magnetic field of the focus magnet 2321, and the generated driving force drives the focus carrier 2311 to move along the optical axis direction.
  • the number of focus coils 2322 and focus magnets 2321 is one, wherein the focus coil 2322 is a single side coil, and the focus coil 2322 is provided on the focus carrier 2311 on one side wall, the focusing magnet 2321 is disposed on the side wall on the same side of the base 21 opposite to it, for example, the focus coil 2322 is disposed on the focus coil 2322 mounting portion 23113 of the first side 101 of the focus carrier 2311 , the focus magnet 2321 is disposed on the focus magnet 2321 mounting part 214 on the first side 101 of the base 21 , that is to say, the focus drive part 232 is disposed only on one side of the drive device 20 , for example, on the first side 101 , the second two sides 102 , a third side 103 or a fourth side 104 to reduce the lateral size of the driving device 20 .
  • the focus magnet 2321 extends along the optical axis direction to the chip anti-shake part 24, that is, the focus magnet 2321 runs through the lens focusing part 23 and the chip anti-shake part 24 along the optical axis.
  • the focus magnet 2321 can participate in both optical focus and optical image stabilization functions.
  • the focus conductive part 233 is disposed between the focus carrier 2311 and the base 21, and is coupled to the focus carrier 2311 and the base 21 respectively.
  • the focus conductive part 233 includes a focus circuit board 2331 and conductive terminals 2332.
  • the base 21 further includes a conductive component (not shown).
  • the focus circuit board 2331 is electrically connected to the focus coil 2322 and the conductive component of the base 21.
  • the conductive terminal 2332 is electrically connected to the focus coil 2322 and the conductive component of the base 21.
  • the circuit board assembly 32 is connected to the conductive element of the base 21 and the photosensitive assembly 30 to achieve circuit conduction of the lens focusing portion 23 .
  • the conductive elements of the base 21 can be disposed on the surface of the base 21 , or can be integrally molded on the base 21 using an insert injection molding process, which is not limited in this application.
  • the focus circuit board 2331 is disposed between the bottom surface of the focus carrier 2311 and the top surface of the base 21, or the focus circuit board 2331 can also be disposed between the top surface of the focus carrier 2311 and the top surface of the base 21, so as to The circuit connection between the focus coil 2322 and the conductive elements of the base 21 is achieved through the focus circuit board 2331.
  • the conductive terminals 2332 are disposed on the side of the base 21 and extend downward to the photosensitive component 30 , so as to achieve electrical conduction between the conductive components of the base 21 and the circuit board component 32 of the photosensitive component 30 through the conductive terminals 2332 .
  • the focusing circuit board 2331 includes a connection end 23313, an extension end 23311 and a bending end 23312, where the connection end 23313
  • the number is two, and the two connecting ends 23313 are electrically connected to the focusing coil 2322 and the conductive element of the base 21 respectively; the number of the extending ends 23311 is at least two, and the at least two extending ends 23311 are integrated from the two connecting ends 23313 respectively. extends in the horizontal direction.
  • the extension end 23311 can extend in the X-axis direction, can also extend in the Y-axis direction, or can extend in both the X-axis direction and the Y-axis direction, so that When the focus carrier 2311 moves along the optical axis direction, the focus circuit board 2331 can also produce a certain deformation; the number of the bending end 23312 is at least one, and at least one bending end 23312 is disposed between at least two extension ends 23311, so as to This allows the focusing circuit board 2331 to produce greater deformation. Furthermore, the deformation amount of the focus circuit board 2331 is greater than the movement stroke of the focus carrier 2311.
  • the focus circuit board 2331 is disposed on the adjacent side of the focus carrier 2311 where the focus coil 2322 is located, to facilitate the electrical connection between the focus circuit board 2331 and the focus coil 2322.
  • the number of focus circuit boards 2331 is two, and the two focus circuit boards 2331 are respectively disposed on opposite sides of the focus carrier 2311. That is, when the focus coil 2322 is disposed on the first side 101 of the focus carrier 2311, the two focus circuit boards 2331 They are respectively provided on the second side 102 and the fourth side 104 adjacent to the first side 101.
  • the focusing circuit board 2331 can be implemented as a flexible printed circuit (FPC) or a combination of soft and hard boards.
  • the lens focusing part 23 further includes a pair of focus holding parts 234 so that the focus carrier 2311 is always maintained in the base 21 during movement.
  • the focus holding part 234 includes a focus magnetic attraction member 2341 and a focus support member 2342.
  • the focus magnetic attraction member 2341 is provided on one of the peripheral sides of the focus movable part 231, and the focus support member 2342 is provided on the focus movable part 231.
  • the focus support member 2342 and the focus magnetic attraction member 2341 are provided on different sides of the focus movable portion 231 .
  • the focus magnetic attraction member 2341 is disposed on the focus movable part 231, and the focus magnetic attraction member 2341 is disposed opposite to the focus magnet 2321.
  • a horizontal direction is generated between the focus magnetic attraction member 2341 and the focus magnet 2321.
  • the magnetic attraction force causes the focus magnet 2341 and the focus magnet 2321 to attract each other in the horizontal direction.
  • the focus carrier 2311 is always maintained in the base 21 , and on the other hand, the magnetic attraction force allows the focus carrier 2311 to return to its original position after movement.
  • the focus magnetic attraction member 2341 is disposed on the side wall of the focus carrier 2311, and the focus magnetic attraction member 2341 is disposed on the side where the focus magnet 2321 is located, so that the focus magnetic attraction member 2341 and the focus magnet 2321 can Relative settings.
  • the focus magnet 2321 is disposed on the first side 101, and the focus magnetic attraction member 2341 is also disposed on the first side 101.
  • the direction of the magnetic attraction force generated between the focus magnetic attraction member 2341 and the focus magnet 2321 is perpendicular to the optical axis direction.
  • the function of the focusing carrier 2311 is held on one side of the base 21; in another specific example of this application, the angle between the direction of the magnetic attraction force generated between the focusing magnetic attraction member 2341 and the focusing magnet 2321 and the direction of the optical axis is an acute angle. , the component of the magnetic attraction force in the direction perpendicular to the optical axis causes the focus carrier 2311 to be held on one side of the base 21 .
  • the focus magnetic attraction member 2341 and the focus driving part 232 are disposed on the same side of the lens focusing part 23 .
  • the focus magnetic attraction component 2341 and the focus driving part 232 are both disposed on the first side 101 of the lens focusing part 23 .
  • the focus coil 2322 has a side close to the focus magnet 2321 and a side far away from the focus magnet 2321.
  • the focus magnetic member 2341 is disposed on a side of the focus coil 2322 away from the focus magnet 2321.
  • the focus magnetic attraction member 2341 is arranged opposite to the focus magnet 2321 .
  • the focus magnetic attraction component 2341 can be integrally formed on the focus carrier 2311 through an insert injection molding process.
  • the focus magnetic attraction member 2341 can also be fixed to the focus carrier 2311 by adhesion, welding, etc., which is not limited by the present application.
  • the focus magnetic attraction member 2341 may be a component that can be attracted by the focus magnet 2321, such as a metal such as an iron piece, or a magnet with opposite magnetic poles to the focus magnet 2321.
  • the focus support member 2342 is disposed on one of the peripheral sides of the focus movable part 231 , and the focus support member 2342 is disposed between the focus carrier 2311 and the base. Between the bases 21, the focus carrier 2311 is always supported on the base 21 under the action of the focus support member 2342. The focus support member 2342 is clamped between the focus movable part 231 and the base 21 under the action of the focus magnetic attraction member 2341. between.
  • the focus support member 2342 includes a first ball mounting part 23421, a second ball mounting part 23422, and a focus ball 23423 clamped between the first ball mounting part 23421 and the second ball mounting part 23422.
  • the first ball mounting part 23421 is disposed on one side wall of the focus carrier 2311
  • the second ball mounting part 23422 is disposed on one side wall of the base 21
  • the first ball mounting part 23421 and the second ball mounting part 23422 are disposed on the focusing part of the lens 23
  • the focusing ball 23423 is clamped between the first ball mounting part 23421 and the second ball mounting part 23422 to improve the stability of the movement of the focusing base 21 during the optical focusing process and improve imaging quality.
  • the first ball mounting part 23421 is a track along the Z-axis direction
  • the second ball mounting part 23422 is a track along the Z-axis direction. Since the focus ball 23423 is disposed in the track along the Z-axis direction, the movement trajectory of the focus ball 23423 is Constrained within the track along the Z-axis direction, the focus ball 23423 can move within the track to provide support for the movement of the focus carrier 2311.
  • Two focusing balls 23423 are respectively provided in the first ball mounting part 23421 and the second ball mounting part 23422 to meet the moving stroke requirements of the focusing carrier 2311.
  • a baffle is provided in the second ball mounting part 23422. The baffle separates the second ball mounting part 23422 into two mounting areas, and the two focusing balls 23423 are respectively accommodated in the two mounting areas to avoid the two The focus rollers 23423 collide together during movement, causing the focus carrier 2311 to tilt.
  • the number of focus support members 2342 is 2, that is, the number of first ball mounting parts 23421 is 2, the number of second ball mounting parts 23422 is 2, two first ball mounting parts 23421 and two second ball mounting parts 23421.
  • the two ball mounting parts 23422 are respectively provided on the second side 102 and the fourth side 104 of the focus movable part 231 .
  • two second ball mounting portions 23422 are respectively disposed on the two adjacent upward extending portions 211, and two first ball mounting portions 23421 are disposed on the focus carrier 2311 opposite to each other to serve as the focus carrier. 2311 moves to provide smoother support.
  • two second ball mounting portions 23422 are respectively provided on the third upward extending portion 2113 and the fourth upward extending portion 2114 located on the second side 102 and the fourth side 104.
  • One ball mounting portion 23421 is respectively disposed on the side wall of the focus carrier 2311 located on the second side 102 and the fourth side 104 , and two second ball mounting portions 23422 are disposed opposite to the two first ball mounting portions 23421 .
  • the focus support member 2342 and the focus driving part 232 are located on opposite sides of the lens focusing part 23.
  • the focus driving part 232 is disposed on the first side of the lens focusing part 23.
  • Side 101 the focus support member 2342 is provided on the second side 102 and the fourth side 104 of the lens focusing portion 23 . This is because the focus drive part 232 is provided on only one side of the lens focusing part 23 in this application.
  • the focus drive part 232 drives the focus carrier 2311 to move, the focus carrier 2311 and the optical lens 10 will tilt.
  • the support member 2342 is disposed on the opposite side of the focus driving part 232, and provides support to the focus carrier 2311 through the focus support member 2342, thereby enabling the focus carrier 2311 and the optical lens 10 to move stably.
  • first ball mounting part 23421 and the second ball mounting part 23422 have a certain height difference, and the first ball mounting part 23421 moves in the optical axis direction relative to the second ball mounting part 23422 driven by the focus driving part 232 During the process, the focusing ball 23423 always keeps moving between the first ball mounting part 23421 and the second ball mounting part 23422 without falling off.
  • the height of the second ball mounting part 23422 is greater than the height of the first ball mounting part 23421, which not only provides the required movement stroke for the first ball mounting part 23421 and the focusing ball 23423, but also allows the focusing ball to 23423 is always held between the first ball mounting part 23421 and the second ball mounting part 23422 during movement, and will not fall off.
  • the focus support member 2342 and the focus magnetic member 2341 are disposed on opposite sides of the lens focusing part 23, so that the focus support member 2342 is caused by the force between the focus magnetic member 2341 and the focus magnet 2321. Clamped between the focus carrier 2311 and the base 21 .
  • the focus magnetic attraction member 2341 is provided on the first side 101 of the focus movable part 231
  • the focus support member 2342 is provided on the second side 102 and the fourth side 104 of the focus movable part 231 .
  • the focus magnetic attraction member 2341 and the focus driving part 232 are provided on the same side of the circumference of the focus movable part 231 , and the focus support member 2342 and the focus driving part 232 are provided on different sides of the circumference of the focus movable part 231
  • the first ball mounting part 23421 has an opening facing the focusing magnetic attraction member 2341
  • the second ball mounting part 23422 has an opening facing away from the focusing magnetic attraction member 2341.
  • the magnetic attraction force causes the focusing ball 23423 to be clamped between the opening of the first ball mounting part 23421 and the opening of the second ball mounting part 23422.
  • the first ball mounting part 23421 on the focus carrier 2311 is located outside the second ball mounting part 23422 on the base 21 , that is, the distance between the first ball mounting part 23421 and the optical axis is smaller than the distance between the second ball mounting part 23422 and the optical axis. optical axis distance.
  • the distance from the first ball mounting portion 23421 to the focusing magnetic attraction member 2341 is greater than the distance from the second ball mounting portion 23422 to the focusing magnetic attraction member 2341 .
  • the first ball mounting part 23421 has an opening facing the common magnet
  • the second ball mounting part 23422 has an opening facing away from the common magnet
  • the focusing ball 23423 is clamped in the first ball mounting part under the action of the focusing magnetic member 2341 23421 and the opening of the second ball mounting part 23422.
  • the lens focusing part 23 further includes a focus sensing part 235.
  • the focus sensing part 235 includes a focus sensing element 2351 and a focus sensing magnet 2352.
  • the focus sensing element 2351 It is disposed opposite to the focus sensing magnet 2352, wherein the focus sensing element 2351 is disposed on one of the focus carrier 2311 and the base 21, and the focus sensing magnet 2352 is disposed on the other of the focus carrier 2311 and the base 21.
  • the position of the focus carrier 2311 can be determined, and then the focus can be adjusted.
  • the current in the coil 2322 causes the focus carrier 2311 to move to the required position.
  • the focus sensing element 2351 can be a Hall element, a driving IC or a TMR.
  • the focus sensing element 2351 is disposed on the base 21, the focus sensing magnet 2352 is disposed on the focus carrier 2311, the focus sensing element 2351 is electrically connected to the conductive element of the base 21, and is electrically connected through the conductive terminal 2332.
  • the circuit board component 32 is connected to the photosensitive component 30 to achieve circuit conduction of the focus sensing element 2351.
  • the focus sensing part 235 and the focus driving part 232 are disposed on opposite sides of the lens focusing part 23 .
  • the focus sensing part 235 is disposed on the third side 103 of the lens focusing part 23
  • the focus driving part 232 is disposed on the first side 101 of the lens focusing part 23 opposite to the third side 103 .
  • two focus support members 2342 are respectively disposed on the left and right sides of the focus sensing part 235. On the one hand, they stably support the focus carrier 2311, and on the other hand, they enable the lens focusing part 23 to The structure is more compact.
  • the focus magnet 2321 and the focus sensor magnet 2352 are arranged on opposite sides to avoid magnetic interference between the focus sensor magnet 2352 and the focus magnet 2321.
  • the focus magnet 2321 and the focus sensor magnet 2352 are respectively disposed on opposite sides of the lens focus portion 23 .
  • the focus magnet 2321 and the focus sensor magnet 2352 can also be disposed on the adjacent sides of the lens focus portion 23 . This application does not do this. limit.
  • the chip anti-shake part 24 includes an anti-shake movable part 241 , an anti-shake driving part 242 , an anti-shake conductive part 243 and an anti-shake holding part 244 .
  • the photosensitive chip 31 is directly or indirectly fixed to the anti-shake movable part 241
  • the anti-shake conductive part 243 provides the driving power for the chip anti-shake part
  • the anti-shake driving part 242 drives the anti-shake movable part 241 relative to the base. 21 moves, thereby driving the photosensitive component 30 to move perpendicular to the optical axis, thereby realizing the anti-shake function of the chip.
  • the lens focusing part 23 is disposed on the object side of the base 21
  • the chip anti-shake part 24 is disposed on the image side of the base 21 , so that the optical lens 10 is disposed on the photosensitive path of the photosensitive component 30 .
  • the base 21 remains stationary.
  • the anti-shake movable part 241 can drive the photosensitive chip 31 to move relative to the base 21 in a direction perpendicular to the optical axis. , to realize the chip anti-shake function of camera module 1.
  • the anti-shake movable part 241 includes an anti-shake movable carrier 2411.
  • the anti-shake movable carrier 2411 is in the shape of a hollow square ring with a through hole disposed in the middle.
  • the middle through hole forms a light window to allow light passing through the optical lens 10 to enter the photosensitive component 30 .
  • the anti-shake movable carrier 2411 is located below the base 21 , is movably connected to the base 21 , and can move relative to the base 21 along the vertical optical axis direction.
  • the casing 22 is fixedly connected to the base 21. Both the casing 22 and the base 21 are stators.
  • An accommodation space is formed between the casing 22 and the base 21.
  • the anti-shake movable carrier 2411 is accommodated in the accommodation space and can face each other. Move between the housing 22 and the base 21. There is a certain gap between the anti-shake movable carrier 2411 and the housing 22 and the base 21 so that there will be no interference when the anti-shake movable carrier 2411 moves relative to the housing 22 and the base 21 .
  • the housing 22 includes a housing body 221 and a housing bottom plate 222 .
  • the housing body 221 includes an annular side wall 2211 and a top 2212 .
  • the top 2212 of the housing body 221 has a through hole for accommodating an optical lens. 10.
  • the top 2212 extends inwardly from the top of the annular side wall 2211, and the shell bottom plate 222 is in the shape of an annular sheet and is arranged at the bottom end of the annular side wall 2211.
  • the housing bottom plate 222 can be a structural member independent of the housing main body 221 and is fixed to the housing main body 221.
  • the housing bottom plate 222 is disposed below the anti-shake movable carrier 2411 with a certain gap from the anti-shake movable carrier 2411.
  • the housing main body 221 and the top 2212, the base 21 and the housing bottom plate 222 form an accommodation space, including an upper accommodation space and a lower accommodation space.
  • the upper accommodation space is used to accommodate the lens focusing part 23, that is, the focus carrier 2311 is disposed in the upper accommodation space and can move along the optical axis relative to the housing 22 and the base 21;
  • the lower accommodation space is used to accommodate the anti-shake part of the chip 24, that is, the anti-shake movable carrier 2411 is disposed in the lower accommodation space and can move relative to the housing 22 and the base 21 in a direction perpendicular to the optical axis.
  • the housing bottom plate 222 is provided to keep the chip anti-shake part 24 in the lower accommodation space to prevent the chip anti-shake part 24 from falling off during the movement of the driving device 20 .
  • the anti-shake movable carrier 2411 is fixed on the photosensitive component 30 .
  • the outer edge of the lower surface of the anti-shake movable carrier 2411 extends downward to form an annular support arm that is fixed on the circuit board of the photosensitive chip 31 .
  • the through hole of the anti-shake movable carrier 2411 may be used to accommodate a portion of the photosensitive component 30 .
  • the anti-shake driving part 242 is provided between the anti-shake movable part 241 and the base 21 , and the anti-shake movable part 241 can drive the anti-shake movable part 242 .
  • the portion 241 moves relative to the base 21 in a direction perpendicular to the optical axis.
  • the anti-shake driving unit 242 includes a plurality of anti-shake coils 2421 and a plurality of anti-shake magnets 2422, and the plurality of anti-shake coils 2421 and the plurality of anti-shake magnets 2422 are arranged oppositely.
  • a plurality of anti-shake magnets 2422 are provided on the base 21 .
  • the base 21 has an anti-shake magnet mounting part.
  • the plurality of anti-shake magnets 2422 are provided on the anti-shake magnet installation part of the base 21 .
  • a plurality of anti-shake coils 2421 are provided on the base 21 .
  • a plurality of anti-shake coils 2421 are arranged on the anti-shake movable carrier 2411.
  • a plurality of anti-shake magnets 2422 are arranged opposite to the plurality of anti-shake coils 2421.
  • the stone 2422 When the plurality of anti-shake coils 2421 are energized, they are Multiple anti-shake magnets
  • the stone 2422 generates a magnetic field force, which is used to provide the driving force for optical anti-shake, so that the anti-shake movable carrier 2411 moves relative to the base 21 in a direction perpendicular to the optical axis to achieve anti-shake.
  • the anti-shake magnet mounting portion of the base 21 is provided on the lower surface of the bottom transverse extension portion 213 .
  • a plurality of anti-shake coils 2421 are arranged on the anti-shake circuit board 2412, and the plurality of anti-shake coils 2421 are electrically connected to the anti-shake circuit board 2412.
  • the plurality of anti-shake coils 2421 may be planar ring coils, the number of which is consistent with the number of the plurality of anti-shake magnets 2422, and arranged in one-to-one correspondence, and are arranged below the plurality of anti-shake magnets 2422, so that the plurality of anti-shake coils 2421 are located on Within the magnetic field of an anti-shake magnet 2422, a plurality of anti-shake coils 2421 and anti-shake circuit boards 2412 are arranged on the anti-shake movable carrier 2411.
  • multiple anti-shake coils 2421 are embedded in the anti-shake circuit board 2412 to form a planar coil.
  • At least one of the plurality of anti-shake magnets 2422 extends toward the object side and forms a common magnet with the focus magnet 2321 .
  • one of the anti-shake magnets 2422 extends upward and serves as the focus magnet 2321 to form a common magnet.
  • the common magnet runs through the lens focusing part 23 and the chip anti-shake part 24 along the optical axis, and the common magnet can participate in the work when realizing the optical focusing and optical anti-shake functions.
  • the focus coil 2322 and the common magnet are arranged oppositely in the horizontal direction
  • the anti-shake coil 2421 and the common magnet are arranged oppositely in the height direction.
  • the common magnet interacts with the focus coil 2322 and the anti-shake coil 2421 respectively, and the focus carrier 2311 and the anti-shake can be driven.
  • the moving carrier 2411 moves relative to the base 21 .
  • the common magnet is disposed close to the focus coil 2322 and opposite to the focus coil 2322 .
  • the common magnet includes upper and lower magnetic poles along the optical axis. The sides of the upper and lower magnetic poles correspond to the focus coil 2322, providing the magnetic field required for the focus carrier to move along the optical axis, and used to drive the focus carrier 2311 to move up and down along the optical axis to achieve optical focusing;
  • the anti-shake coil 2421 is set on the anti-shake movable carrier 2411 and is opposite to the common magnet and other anti-shake magnets.
  • the common magnet includes inner and outer magnetic poles in the direction perpendicular to the optical axis, and the other anti-shake magnets are along the direction perpendicular to the optical axis.
  • Including inner and outer magnetic poles, the inner and outer magnetic poles of the shared magnet, and the inner and outer magnets of other anti-shake magnets provide the magnetic field required for the anti-shake movable carrier 2411 to move along the direction perpendicular to the optical axis, corresponding to the anti-shake coil 2421, and used to drive the anti-shake movable carrier 2411.
  • the carrier 2411 moves in a direction perpendicular to the optical axis to achieve optical image stabilization.
  • the bottom side transverse extension 213 of the base 21 extends in the horizontal direction, is in the shape of a horizontal hollow ring, and is provided with four corners, one end of which is close to and faces the two corners of the focus coil 2322 side.
  • the first upward extension part 2111 and the second upward extension part 2112 are obtained from the bottom side transverse extension part 213 extending in the object side direction along the optical axis.
  • the side transverse extension portion 213 extends along the optical axis toward the object side to form a third upward extension portion 2113 and a fourth upward extension portion 2114.
  • a top transverse extension part 212 is formed extending in the horizontal direction from the top ends of the first upward extension part 2111 and the second upward extension part 2112.
  • the top transverse extension part 212 connects the first upward extension part 2111 and the second upward extension part 2112.
  • the top transverse extension 212 is disposed on the first side 101 of the base 21
  • the bottom transverse extension 213 is disposed on the third side 103 opposite the first side 101 .
  • the top transverse extension 212 is higher than the bottom transverse extension 213 .
  • the top transverse extending portion 212, the first upward extending portion 2111, and the second upward extending portion 2112 constitute a pair of mounting positions 214 for the focusing magnet 2321, which are used to accommodate and install the focusing magnet 2321, so that the focusing magnet 2321 and the focusing coil 2322 are arranged oppositely.
  • the common magnet is disposed at the installation position of the focus magnet 2321, that is, the installation position of the focus magnet is also the installation position of the common magnet.
  • the common magnet is a rectangular parallelepiped structure, the height along the optical axis is defined, the long side in the horizontal direction is defined as long, and the short side is defined as long.
  • the upper and lower magnetic poles are located on the side formed by the length and height, and the end surface of the lower magnetic pole is the lower side formed by the length and width.
  • the first upward extension part 2111 and the second upward extension part 2112 have inner surfaces arranged oppositely.
  • the side surfaces formed by the width and height of the common magnet are fixedly connected to the inner surfaces of the first upward extension part 2111 and the second upward extension part 2112.
  • the top part is transverse
  • the lower surface of the extension part 212 is fixedly connected to the upper surface formed by the length and width of the common magnet.
  • the bottom side transverse extension portion 213 is located on three sides of the base 21 , and the bottom side transverse extension portion 213 is not provided on one side of the base 21 . That is, the base 21 has an opening, and the opening faces no bottom side. One side of the side transverse extension 213 .
  • the top transverse extension part 212 is provided on the side where the bottom transverse extension part 213 is not provided, that is, the top transverse extension part 212 is provided on the side where the opening of the base 21 is located. That is to say, the top transverse extension part 212 and the bottom transverse extension part 213 are provided on opposite sides.
  • the common magnet is disposed on the side where the bottom transverse extension 213 is not provided, that is, the common magnet is disposed on the side where the opening of the base 21 is located.
  • the common magnet extends downward from the top transverse extension 212 and is fixedly installed in the installation position.
  • other anti-shake magnets 2422 are respectively provided on the bottom side transverse extension portions 213 located on three sides of the base 21 .
  • the bottom surface of the bottom side transverse extension portion 213 has an anti-shake magnet installation position.
  • anti-shake magnets 2422 are arranged at the anti-shake magnet installation position, and together with the common magnets, form the magnets required for anti-shake, provide optical anti-shake magnetic fields, and are arranged opposite to the anti-shake coil 2421.
  • the anti-shake coil 2421 When the anti-shake coil 2421 is energized, the anti-shake is driven.
  • the movable carrier 2411 moves in a direction perpendicular to the optical axis.
  • the height of the common magnet extending downward is greater than the height of the first upward extending part 2111 and the second upward extending part 2112 , that is, the lower surface of the common magnet is lower than the first upward extending part 2111 and the lower surface of the second upwardly extending portion 2112, so that the lower surface of the common magnet is directly exposed, and the inner and outer magnetic poles of the common magnet are arranged relatively close to the anti-shake coil 2421 to provide a sufficient anti-shake magnetic field.
  • the common magnet extends downward from the top transverse extension 212 and is located at a close distance relative to the focus coil 2322.
  • the side dimensions formed in the length and height direction cover the focus coil 2322, that is, the upper and lower magnetic poles provide sufficient optical focus magnetic fields to meet the needs of a single
  • the focusing magnet 2321 coil provides sufficient focusing driving force for the focusing carrier 2311 to realize the up and down movement and movement stroke requirements of the optical lens 10 along the optical axis.
  • the distance in the height direction between the common magnet and its corresponding anti-shake coil 2421 is consistent with the distance in the height direction between the other anti-shake magnets 2422 and its corresponding anti-shake coil 2421 .
  • the other anti-shake magnets 2422 except the common magnet are in the shape of a flat rectangular parallelepiped, that is, they are smaller in the height direction and cover the anti-shake coil 2421 in the length and width directions to provide the magnetic field force required for anti-shake. This reduces the size of the base 21 in the height direction, thereby achieving compactness and miniaturization of the module structure.
  • the plurality of anti-shake magnets 2422 also include other magnets in addition to the common magnet, wherein the height of the common magnet is higher than the height of the other magnets.
  • the plurality of anti-shake magnets 2422 also include other magnets in addition to the common magnet.
  • the projected area of the common magnet along the height direction is smaller than the projected area of the other magnets along the height direction.
  • the common magnet is arranged on the side without the bottom side lateral extension 213 and occupies a certain height and thickness.
  • the other components of the lens focusing part 23 are arranged on the remaining three sides of the base 21 so that the components are reasonably spaced. configuration.
  • the focus conductive part 233 is disposed between the focus carrier 2311 and the base 21, and is coupled to the focus carrier 2311 and the base 21 respectively.
  • the focusing conductive portion 233 is provided on the remaining three sides of the base 21 that are not provided with common magnets to avoid interference and ensure a reasonable layout of the circuit.
  • the focus conductive part 233 includes a focus circuit board 2331 and conductive terminals 2332 .
  • the focus circuit board 2331 is electrically connected to the focus coil 2322 and the conductive elements of the base 21 .
  • the conductive terminals 2332 are electrically connected to the conductive elements of the base 21 . and the circuit board assembly 32 of the photosensitive assembly 30 to achieve circuit conduction of the lens focusing portion 23 .
  • the focus circuit board 2331 is disposed between the bottom surface of the focus carrier 2311 and the top surface of the base 21 , or the focus circuit board 2331 It can also be provided on the top surface of the focus carrier 2311 and the top surface of the base 21 to achieve circuit conduction between the focus coil 2322 and the conductive elements of the base 21 through the focus circuit board 2331.
  • the conductive terminals 2332 are provided on the side of the base 21 that is not provided with a common magnet. The conductive terminals 2332 extend downward to the photosensitive component 30 to realize the circuit board assembly of the conductive components of the base 21 and the photosensitive component 30 through the conductive terminals 2332 The circuit between 32 is conductive.
  • the focus circuit board 2331 is disposed on the adjacent side of the focus carrier 2311 where the focus coil 2322 is located, that is, the focus circuit board is disposed on the side of the base 21 adjacent to the common magnet to facilitate the focus circuit board. 2331 and the electrical connection between the focus coil 2322.
  • the number of focus circuit boards 2331 is two, and the two focus circuit boards 2331 are respectively disposed on opposite sides of the focus carrier 2311. That is, when the focus coil 2322 is disposed on the first side 101 of the focus carrier 2311, the two focus circuit boards 2331 They are respectively provided on the second side 102 and the fourth side 104 adjacent to the first side 101.
  • the focusing circuit board 2331 can be implemented as a flexible printed circuit board (FPC), or a soft-hard combination board.
  • the lens focusing part 23 further includes a pair of focus holding parts 234 so that the focus carrier 2311 is always maintained in the base 21 during movement.
  • the focus holding part 234 includes a focus magnetic attraction member 2341 and a focus support member 2342, wherein the focus magnetic attraction member 2341 is provided on the focus carrier 2311, and the focus magnetic attraction member 2341 is provided opposite to the common magnet, so that the focus magnetic attraction member 2341 It generates magnetic attraction along the horizontal direction with the shared magnet.
  • the focus carrier 2311 is always maintained in the base 21 , and on the other hand, the magnetic attraction force allows the focus carrier 2311 to return to its original position after movement.
  • the focus support member 2342 is provided between the focus carrier 2311 and the base 21 , and the focus carrier 2311 is always supported on the base 21 through the focus support member 2342 .
  • the focus support member 2342 is provided on one of the peripheral sides of the focus movable part 231 , and the focus support member 2342 and the common magnet are located on opposite sides of the focus movable part 231 .
  • the focus support member 2342 includes a first ball mounting part 23421, a second ball mounting part 23422, and a focus ball 23423 disposed between the first ball mounting part 23421 and the second ball mounting part 23422.
  • the first ball installation part 23421 is provided on one side wall of the focus carrier 2311
  • the second ball installation part 23422 is provided on one side wall of the base 21
  • the first ball installation part 23421 and the second ball installation part 23422 are provided on the focus driving part
  • the focus ball 23423 is clamped between the first ball installation part 23421 and the second ball installation part 23422 to improve the stability of the movement of the focus base 21 during the optical focusing process and improve the imaging quality.
  • the common magnet and the focus magnetic attraction member 2341 are located on the same side of the focus movable part 231
  • the focus magnetic attraction member 2341 and the focus support member 2342 are located on the same side of the focus movable part 234 .
  • the opposite side of part 231. Therefore, the focus support member 2342 is clamped between the focus movable part 231 and the base 21 under the magnetic attraction force of the common magnet and the focus magnetic attraction member 2341 .
  • the focus support member 2342 and the focus driving part 232 are disposed on opposite sides of the lens focusing part 23 .
  • the common magnet is provided on the side where the bottom side lateral extension part 213 is not provided, and the focus support member 2342 is provided on the side of the base 21 where the common magnet is not provided.
  • the focus support member 2342 is disposed on the side facing away from the common magnet, that is, the focus drive portion 232 is disposed on the first side 101 of the lens focus portion 23, and the focus support member 2342 is disposed on the second side 102 of the lens focus portion 23.
  • Fourth side 104 This is because the focus drive part 232 is provided on only one side of the lens focusing part 23 in this application.
  • the support member 2342 is disposed on the opposite side of the focus driving part 232, and provides support to the focus carrier 2311 through the focus support member 2342, thereby enabling the focus carrier 2311 and the optical lens 10 to move stably.
  • the first ball mounting part 23421 has an opening facing the common magnet
  • the second ball mounting part 23422 has an opening facing away from the common magnet
  • a magnetic field along the horizontal direction is generated between the focusing magnetic attraction member 2341 and the focusing magnet 2321.
  • the focusing ball 23423 is clamped between the opening of the first ball mounting part 23421 and the opening of the second ball mounting part 23422 under the action of the magnetic attraction force.
  • the first ball mounting part 23421 on the focus carrier 2311 is located outside the second ball mounting part 23422 on the base 21 , that is, the distance between the first ball mounting part 23421 and the optical axis is smaller than the distance between the second ball mounting part 23422 and the optical axis. optical axis distance.
  • the lens focusing part 23 further includes a pair of focus sensing parts 235.
  • the focus sensing part 235 includes a focus sensing element 2351 and a focus sensing magnet 2352.
  • the focus sensing element 2351 It is disposed opposite to the focus sensing magnet 2352, wherein the focus sensing element 2351 is disposed on one of the focus carrier 2311 and the base 21, and the focus sensing magnet 2352 is disposed on the other of the focus carrier 2311 and the base 21.
  • the position of the focus carrier 2311 can be determined, and then the focus can be adjusted.
  • the current in the coil 2322 causes the focus carrier 2311 to move to the required position.
  • the focus-sensing magnet 2352 and the common magnet are arranged on opposite sides to avoid magnetic interference between the focus-sensing magnet 2352 and the focus magnet 2321 .
  • the anti-shake magnet 2422 and the focus magnet 2321 are shared, that is, the lens focusing part 23 and the chip anti-shake part 24 share part of the magnet.
  • the corresponding common magnet can not only provide the magnetic field required by the focus coil 2322, but also act with the focus coil 2322 to achieve lens focusing. It can also provide the magnetic field required by the anti-shake coil 2421 and act on the anti-shake coil 2421 to achieve chip anti-shake. In this way, structural parts are reduced, the structure is compact, and the size of the optical components is reduced, thereby miniaturizing the driving device 20 and the module structure.
  • the common magnet By installing the common magnet on the installation position formed by the first upward extension part 2111, the second upward extension part 2112 and the top lateral extension part 212, the common magnet penetrates the lens focusing part 23 and the chip anti-shake part 24 along the optical axis, While providing a large enough focusing magnetic field, the distance from the anti-shake coil 2421 is also sufficient to provide a sufficient anti-shake magnetic field, so that it only occupies a certain height and thickness in a single direction, reducing the lateral size of the driving device 20 in other directions. Reserve space for the settings of other components, and achieve a reasonable configuration of focusing and anti-shake components while making full use of the internal structure.
  • the anti-shake conductive part 243 includes a conductive downward extension part and a conductive lateral extension part (not shown in the figure), and the conductive lateral extension part is connected with the anti-shake coil. 2421 is turned on, and the conductive downward extending portion is connected to the circuit board of the photosensitive chip 31.
  • the anti-shake conductive portion 243 forms a part of the anti-shake circuit, connecting the anti-shake circuit board 2412 and the circuit board of the photosensitive chip 31.
  • the anti-shake conductive part 243 is disposed in the anti-shake movable carrier 2411 through insert injection molding, and the conductive lateral extension part is partially exposed on the upper surface of the anti-shake movable carrier 2411 and is in contact with the anti-shake coil 2421
  • the conductive downward extending portion is arranged in the annular support arm of the anti-shake movable carrier 2411, and the lower surface is partially exposed for circuit connection with the chip circuit board 321 of the photosensitive chip 31.
  • the anti-shake magnet 2422 is provided on the base 21
  • the anti-shake coil 2421 is provided on the anti-shake movable carrier 2411
  • the anti-shake movable carrier 2411 passes through the anti-shake holding part 244 Connected to the base 21 , the anti-shake movable carrier 2411 can move horizontally relative to the base 21 perpendicular to the optical axis.
  • the anti-shake holding part 244 includes an anti-shake magnetic member 2441 and an anti-shake support member 2442.
  • the anti-shake magnetic attraction member 2441 is disposed on the anti-shake movable carrier 2411, corresponding to the position of the anti-shake magnet 2422, so that a magnetic attraction force parallel to the optical axis is generated between the anti-shake magnetic attraction member 2441 and the anti-shake magnet 2422. , so that the anti-shake movable carrier 2411 can return to the initial position after movement.
  • the anti-shake magnetic attraction member 2441 is provided on the anti-shake movable carrier 2411, corresponding to the position of the anti-shake magnet 2422.
  • the anti-shake magnetic attraction member 2441 may be a member that generates magnetic attraction force with the anti-shake magnet 2422, such as an iron piece, etc., and the anti-shake magnet 2422 attracts each other.
  • the anti-shake magnetic attraction component 2441 can be integrally formed on the anti-shake movable carrier 2411 through an insert injection molding process.
  • the anti-shake magnetic member 2441 can also be fixed to the anti-shake movable carrier 2411 by bonding, welding, etc., and this application does not limit this.
  • the anti-shake support member 2442 is provided between the base 21 and the anti-shake movable carrier 2411.
  • the anti-shake support member is provided between the lower surface of the base 21 and the upper surface of the anti-shake movable carrier 2411.
  • the anti-shake support member 2442 includes a ball groove 24421 and anti-shake balls 24422.
  • the ball groove 24421 is provided on the base 21 or the anti-shake movable carrier 2411 to accommodate the anti-shake ball 24422.
  • the anti-shake ball 24422 supports the anti-shake movable carrier 2411 and maintains a certain gap between the base 21 and the base 21 .
  • the anti-shake movable carrier 2411 is provided with a ball groove 24421, which extends upward from the anti-shake movable carrier 2411.
  • the ball groove 24421 is provided on the anti-shake movable carrier 2411.
  • the ball groove 24421 is used to accommodate the anti-shake balls 24422.
  • the number of ball grooves 24421 may be four, which may be symmetrically provided on the upper surface of the anti-shake movable carrier 2411 or at four corners of the upper surface of the anti-shake movable carrier 2411.
  • a boss corresponding to the ball groove 24421 is formed on the lower surface of the base 21 extending downward.
  • the anti-shake ball 24422 is arranged in the ball groove 24421 and moves in the ball groove 24421.
  • the anti-shake ball 24422 is accommodated in the ball groove 24421.
  • One end of the anti-shake ball 24422 contacts the ball groove 24421, and the other end contacts the boss on the lower surface of the base 21.
  • the height of the ball groove 24421 is lower than the diameter of the anti-shake ball 24422, so that part of the anti-shake ball 24422 is exposed to the ball groove 24421. Due to the supporting function of the anti-shake ball 24422, the anti-shake movable carrier 2411 is movably connected to the base 21 through the anti-shake ball 24422, and a gap is maintained between the two.
  • the arrangement of the boss of the base 21 allows the anti-shake balls 24422 to support and maintain the gap between the anti-shake movable carrier 2411 and the base 21 and at the same time reduce the size of the anti-shake balls 24422 and the ball grooves 24421.
  • the ball groove 24421 may also be provided on the base 21 .
  • the magnetic attraction force of the anti-shake magnetic component 2441 and the anti-shake magnet 2422 is, on the one hand, used to drive the anti-shake movable carrier 2411 to reset, and on the other hand, the anti-shake ball 24422 is in a clamped state. 24422 is always clamped between the anti-shake movable carrier 2411 and the base 21 to prevent the anti-shake ball 24422 from falling off.
  • the chip anti-shake part 24 also includes an anti-shake sensing part 245.
  • the anti-shake sensing part 245 includes an anti-shake position sensing element 2451 and an anti-shake position sensing magnet. 2452.
  • the anti-shake position sensing element 2451 includes an X-direction sensing element and a Y-direction sensing element.
  • the anti-shake position sensing element 2451 and the anti-shake position sensing magnet 2452 are arranged oppositely.
  • the anti-shake position sensing element 2451 is disposed on the anti-shake movable carrier 2411, and the anti-shake position sensing magnet 2452 is disposed on the base 21.
  • the anti-shake position sensing element 2451 and the anti-shake position sensing element 2452 are disposed on the base 21.
  • the relative position of the anti-shake position sensing magnet 2452 changes.
  • the anti-shake position sensing magnet 2452 is shared with the anti-shake magnet 2422 to reduce structural components.
  • the anti-shake position sensing element 2451 may be a Hall element, a driver IC or a TMR.
  • the camera module 1 also includes a photosensitive component 30.
  • the optical lens 10 is disposed on the photosensitive path of the photosensitive component 30.
  • the photosensitive component 30 can receive the light collected by the optical lens 10 for imaging.
  • the optical lens 10 is fixed to the focus movable part 231 of the driving device 20
  • the photosensitive component 30 is fixed to the anti-shake movable part 241 of the driving device 20 , so that the optical lens 10 is held on the photosensitive component 30 on the photosensitive path.
  • the lens focusing part 23 of the driving device 20 includes a lens movably arranged on The focus movable part 231 on the object side of the base 21 and the focus drive part 232 disposed between the focus movable part 231 and the base 31 , the focus drive part 232 is adapted to drive the focus movable part 231 to move relative to the base 21 , the driving device 20 is suitable for driving the optical lens 10 to move along the optical axis of the optical lens 10;
  • the lens anti-shake part 24 of the driving device 20 includes an anti-shake movable part 241 and an anti-shake driving part 242, and the anti-shake movable part 241 is Movably disposed on the image side of the base 21
  • the anti-shake movable part 241 includes an anti-shake movable carrier 2411 , and the anti-shake driving part 242 is disposed between the anti-shake movable carrier 2411 and the base 21 , wherein the chip
  • the anti-shake driving part 242 includes an anti-shake magnet 2422 and an anti-
  • the anti-shake magnet 2422 is provided on the base 21 , and the anti-shake coil 2421 is provided on the anti-shake movable carrier 2411 .
  • the driving device 20 It is suitable to drive the photosensitive component 30 to move in a plane perpendicular to the optical axis.
  • the photosensitive component 30 includes a circuit board component 32 and a photosensitive chip 31 and electronic components 34 electrically connected to the circuit board component 32 .
  • the photosensitive chip 31 is used to receive the external environment collected by the optical lens 10 .
  • the light is imaged and electrically connected to the external mobile electronic device through the circuit board assembly 32 .
  • the electronic component 34 may be one or more of passive electronic components such as resistors and capacitors, and active electronic components such as driver chips and memory chips.
  • the photosensitive component 30 also includes a filter component 33.
  • the filter component 33 includes a filter element 331.
  • the filter component 331 is held on the photosensitive path of the photosensitive chip 31.
  • the filter component 331 is disposed on the optical lens 10. Between the photosensitive chip 31 and the photosensitive chip 31, it is used to filter the incident light entering the photosensitive chip 31, and filter out stray light such as infrared light that is not required for imaging in the incident light.
  • the filter element 331 is fixed to the anti-shake movable carrier 2411 of the driving device 20 and corresponds to at least the photosensitive area of the photosensitive chip 31 , so that the filter element 331 moves along with the anti-shake movable carrier 2411 Move; in another embodiment of the present application, the filter assembly 33 also includes a filter element bracket 332, the filter element 331 is installed and fixed on the filter element bracket 332 and corresponds to at least one of the photosensitive chip 31 In the photosensitive area, the filter element holder 332 has a light hole, and the incident light passing through the optical lens 10 is incident on the photosensitive chip 31 through the light hole.
  • the filter element 331 can be attached to the filter element holder 332 upright or upside down.
  • the filter element bracket 332 is fixed to the circuit board assembly 32, as shown in Figure 11A or Figure 12A.
  • the area size of the filter element 331 can be reduced, thereby reducing the weight of the filter assembly 33.
  • the cost can be reduced, and the height of the filter element 331 can be reduced, thereby reducing the risk of collision between the optical lens 10 and the filter element 331 assembly.
  • the circuit board assembly 32 includes a chip circuit board 321 and a connection circuit board 322.
  • the chip circuit board 321 is electrically connected to the connection circuit board 322.
  • the photosensitive chip 31 is electrically connected to the chip circuit board 321, so that the photosensitive chip 31 is suitable for passing through the connection circuit.
  • Board 322 is electrically connected to external mobile electronic devices.
  • the photosensitive chip 31 is fixed on the chip circuit board 321
  • the filter element bracket 332 is fixed on the chip circuit board 321
  • the electronic component 34 is fixed on the chip circuit board 321 and electrically connected to the chip circuit board 321 .
  • the chip circuit board 321 is fixed to the anti-shake movable carrier 2411 of the anti-shake movable part 241
  • the anti-shake conductive part 243 is electrically connected to the chip circuit board 321 .
  • the connection circuit board 322 includes an inner circuit board 3221, an outer circuit board 3223 and a flexible conductive mechanism 3222 connecting the inner circuit board 3221 and the outer circuit board 3223.
  • the chip circuit board 321 is fixed to the inner circuit board 3221.
  • the chip circuit board 321 is located above the inner circuit board 3221.
  • the size of the chip circuit board 321 is larger than the size of the inner circuit board 3221, that is, the long side of the chip circuit board 321
  • the size is larger than the long side size of the inner circuit board 3221 and/or the wide side size of the chip circuit board 321 can be larger than the wide side size of the inner circuit board 3221.
  • the area of the chip circuit board 321 can be larger than the area of the inner circuit board 3221.
  • the inner circuit board 3221 does not have to be directly fixed to the photosensitive chip 31, electronic components 34 and/or filter element bracket 332, and the size of the chip circuit board 321 is It can be larger than the size of the inner circuit board 3221, so the size of the inner circuit board 3221 can be designed to be smaller, so the size of the connecting circuit board 322 can be designed to be smaller.
  • the camera module 1 is designed to be smaller in size.
  • electrical connection between the chip circuit board 321 and the inner circuit board 3221 is achieved by disposing an electrical connection medium such as solder paste between the chip circuit board 321 and the inner circuit board 3221 .
  • the chip circuit board 321 has a through hole, and the photosensitive chip 31 is accommodated in the through hole, thereby reducing the overall height of the photosensitive component 30 .
  • the chip circuit board 321 is fixed on the front surface of the inner circuit board 3221. Through the through hole, the chip circuit board 321 and the inner circuit board 3221 form a chip receiving cavity, and the photosensitive chip 31 is accommodated in the receiving cavity and fixed therein.
  • the circuit board 3221 and the photosensitive chip 31 are further directly electrically connected to the chip circuit board 321.
  • the photosensitive chip 31 can also be directly electrically connected to the inner circuit board 3221.
  • the electronic component 34 is fixed and electrically connected to the chip circuit board 321, and the filter element bracket 332 is fixed to the chip circuit board 321.
  • the size of the inner circuit board 3221 can be designed to be smaller.
  • the electronic components 34 can also be fixed on the inner circuit board 3221 and accommodated in the through holes of the chip circuit board 321, or some of the electronic components 34 can be fixed on the inner circuit board 3221, and some of the electronic components 34 can also be fixed on the inner circuit board 3221. times are fixed on the chip circuit board 321.
  • the flexible conductive mechanism 3222 electrically connects the inner circuit board 3221 and the outer circuit board 3223.
  • the flexible conductive mechanism 3222 is easy to deform.
  • the resistance of the inner circuit board 3221 is Therefore, when the driving device 20 drives the chip circuit board 321 fixed with the photosensitive chip 31 to move, the resistance generated by the movement of the inner circuit board 3221 fixed to the chip circuit board 321 is less affected, and the driving force of the driving device 20 can be The design is smaller, so that the size of the drive device 20 can be reduced.
  • both the outer circuit board 3223 and the inner circuit board 3221 have a rectangular peripheral shape, wherein the outer circuit board 3223 has a through hole, and the through hole is suitable for a rectangular through hole.
  • the size of the through hole is larger than the size of the inner circuit board 3221, so the inner circuit board 3221 and the flexible conductive mechanism 3222 are disposed in the through hole. Since the external circuit board 3223 is annular, the area for setting the conductive circuit is reduced. In a specific example of this application, in order to keep the overall size of the circuit board assembly 32 small, the thickness of the external circuit board 3223 is increased.
  • the thickness of the outer circuit board 3223 is greater than the thickness of the inner circuit board 3221, so that more layers of conductive circuits can be provided in the outer circuit board 3223, thereby meeting the installation requirements of electrical conductors in a narrow width.
  • the thickness of the outer circuit board 3223 is greater than the thickness of the inner circuit board 3221, so that the bottom surface of the inner circuit board 3221 can be positioned higher than the bottom surface of the outer circuit board 3223.
  • connection circuit board 322 further includes a connection strap 3224.
  • the connection strap 3224 is fixed on one side of the external circuit board 3223 and is electrically connected to the external circuit board 3223. Through the connection strap 3224, the circuit board assembly 32 is connected to an external mobile electronic device. Electrical connection.
  • the flexible conductive mechanism 3222 includes at least two flexible conductive arms 32221.
  • the at least two flexible conductive arms 32221 extend between the inner circuit board 3221 and the outer circuit board 3223 in the X direction and the Y direction and connect the inner circuit board 3221 and the outer circuit. Board 3223, the flexible conductive arm 32221 can realize the electrical conduction function by arranging electrical conductors to electrically connect the inner circuit board 3221 and the outer circuit board 3223.
  • the at least two flexible conductive arms 32221 include two flexible conductive arms 32221 disposed on opposite sides of the inner circuit board 3221.
  • the flexible conductive mechanism 3222 includes four flexible conductive arms.
  • the flexible conductive mechanism 3222 may also include two, three or more flexible conductive arms 32221, and this application is not limited thereto.
  • the flexible conductive arm 32221 may include one or more flexible electrical connectors.
  • the number of flexible electrical connectors When the number of flexible electrical connectors is designed to be large, it may be provided between the inner circuit board 3221 and the outer circuit board 3223. More conductive circuits can be provided between the flexible conductive arms 32221. Specifically, the number of flexible electrical connectors in the flexible conductive arms 32221 is determined according to the circuit requirements of the photosensitive chip 31.
  • the external circuit board 3223 is fixed to the housing 22.
  • the external circuit board 3223 is fixed to the housing body 221 or the housing bottom plate 222 of the housing 22, so the external circuit board 3223 belongs to the camera module 1.
  • a relatively fixed part, and the inner circuit board 3221 that is directly or indirectly fixed to the anti-shake movable carrier 2411 is a relatively movable part, because the inner circuit board 3221 and the outer circuit board 3223 are connected by a flexible conductor that is easy to deform.
  • the pass mechanism 3222 is connected and electrically conductive, and the resistance to movement of the inner circuit board 3221 is low.
  • the housing 22 has a receiving cavity to accommodate the base 21 and the chip anti-shake part 24.
  • the base 21 is fixed to the housing 22.
  • the external circuit board 3223 is indirectly fixed to the base 21 by being fixed to the housing 22.
  • the external circuit board 3223 can also be directly fixed to the base 21 , that is, the external circuit board 3223 is fixed to the base 21 including the above two situations: indirect and direct.
  • the photosensitive component 30 further includes a base 35, the external circuit board 3223 is fixed to the base 35, and the base 35 is fixed to the shell 22, so that the base 35 and the shell 22 form a relatively closed space to prevent dust and other dirt from entering the photosensitive component 30 from the gap between the inner circuit board 3221 and the outer circuit board 3223.
  • the distance between the bottom surface of the inner circuit board 3221 and the top surface of the base 35 is greater than The distance between the bottom surface of the inner circuit board 3221 and the top surface of the base 35 is such that when the inner circuit board 3221 moves, there will be no friction between the inner circuit board 3221 and the base 35, thereby reducing the resistance to movement.
  • the flexible conductive arm 32221 is inclined to connect the inner circuit board 3221 and the outer circuit board 3223, wherein one end of the flexible conductive arm 32221 connected to the inner circuit board 3221 is higher than the end connected to the outer circuit board 3223.
  • the outer circuit board 3223 can be fixed to a relatively fixed part of the driving device 20 (for example, the housing 22, the base 35, the base 21 and other components are relatively fixed parts of the driving device 20), and the inner circuit board 3221 is fixed to the anti-shake movable carrier 2411 (the inner circuit board 3221 can be directly fixed to the anti-shake movable carrier 2411, or can be indirectly fixed to the anti-shake movable carrier 2411 by being fixed to the chip circuit board 321),
  • the chip anti-shake movable carrier 2411 is held on the base 21 by the anti-shake holding part 244, so that the inner circuit board 3221 can be maintained at a higher position than the outer circuit board 3223, that is, the bottom surface of the inner circuit board 3221 can be higher than the outer circuit board 3223.
  • the bottom surface of the circuit board 3223 makes the inner circuit board 3221 less susceptible to frictional resistance during movement.
  • the anti-shake holding part 244 includes an anti-shake magnetic attraction member 2441 provided on the anti-shake movable carrier 2411 and an anti-shake support member 2442 provided between the base 21 and the anti-shake movable carrier 2411.
  • the anti-shake magnetic attraction member The magnetic attraction force generated between 2441 and the anti-shake magnet 2422 causes the anti-shake movable carrier 2411 to be attracted to the base 21 and the anti-shake support member 2442 is clamped by the anti-shake movable carrier 2411 and the base 21. At the same time, by Due to the magnetic attraction between the anti-shake magnetic component 2441 and the anti-shake magnet 2422, the height of the inner circuit board 3221 is maintained.
  • the circuit board assembly 32 also includes an inner reinforcing plate 323 fixed on the back of the inner circuit board 3221 and an outer reinforcing plate 324 fixed on the back of the outer circuit board 3223 to strengthen the connection lines.
  • the materials of the inner reinforcing plate 323 and the outer reinforcing plate 324 can be stainless steel.
  • the outer reinforcing plate 324 has an annular structure and is similar in shape to the outer circuit board 3223. In this embodiment, there is an air gap between the inner reinforcing plate 323 and the base 35 .
  • the distance between the bottom surface of the inner reinforcing plate 323 and the top surface of the base 35 is greater than the distance between the bottom surface of the outer reinforcing plate 324 and the base 35 .
  • the distance between the top surfaces is such that when the inner circuit board 3221 moves, there will be no friction between the inner reinforcing plate 323 and the base 35, thereby reducing the resistance to movement.
  • the height of the inner circuit board 3221 may also be higher than the height of the outer circuit board 3223.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Adjustment Of Camera Lenses (AREA)
  • Lens Barrels (AREA)

Abstract

La présente demande divulgue un dispositif d'entraînement et un module de caméra. Le dispositif d'entraînement comprend : une base ; et une partie anti-secousse de puce, qui comprend : une partie mobile anti-secousse ; une partie d'entraînement anti-secousse, la partie d'entraînement anti-secousse comprenant une pluralité d'aimants anti-secousse et une pluralité de bobines anti-secousse, la pluralité d'aimants anti-secousse étant disposée sur la base, et la pluralité de bobines anti-secousse étant agencée sur la partie mobile anti-secousse ; et une partie de mise au point de lentille, qui comprend : une partie mobile de mise au point ; et une partie d'entraînement de mise au point, la partie d'entraînement de mise au point comprenant un aimant de mise au point et une bobine de mise au point, l'aimant de mise au point étant disposé sur la base, et la bobine de mise au point étant disposée sur la partie mobile de mise au point ; au moins l'un parmi la pluralité d'aimants anti-secousse s'étendant vers le côté objet pour former un aimant partagé avec l'aimant de mise au point ; un élément d'attraction magnétique de mise au point, qui est disposé sur la partie mobile de mise au point ; et un élément de support de mise au point, ledit élément de support de mise au point étant disposé sur l'un des côtés périphériques de la partie mobile de mise au point, l'élément de support de mise au point et l'aimant commun étant situés sur différents côtés de la partie mobile de mise au point.
PCT/CN2023/096988 2022-05-31 2023-05-30 Dispositif d'entraînement et module de caméra WO2023232001A1 (fr)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
CN202210615991.9 2022-05-31
CN202210613358.6A CN117221719A (zh) 2022-05-31 2022-05-31 一种驱动装置及摄像模组
CN202210615996.1 2022-05-31
CN202210615967.5A CN117221720A (zh) 2022-05-31 2022-05-31 一种驱动装置及摄像模组
CN202210615991.9A CN117221688A (zh) 2022-05-31 2022-05-31 一种驱动装置
CN202210613353.3A CN117221672A (zh) 2022-05-31 2022-05-31 一种摄像模组
CN202210615967.5 2022-05-31
CN202210613353.3 2022-05-31
CN202210613358.6 2022-05-31
CN202210615996.1A CN117221673A (zh) 2022-05-31 2022-05-31 一种驱动装置

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Publication Number Publication Date
WO2023232001A1 true WO2023232001A1 (fr) 2023-12-07

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PCT/CN2023/096988 WO2023232001A1 (fr) 2022-05-31 2023-05-30 Dispositif d'entraînement et module de caméra

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WO (1) WO2023232001A1 (fr)

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