WO2023207590A1 - Optical assembly and assembly method therefor, and camera module - Google Patents

Optical assembly and assembly method therefor, and camera module Download PDF

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Publication number
WO2023207590A1
WO2023207590A1 PCT/CN2023/087780 CN2023087780W WO2023207590A1 WO 2023207590 A1 WO2023207590 A1 WO 2023207590A1 CN 2023087780 W CN2023087780 W CN 2023087780W WO 2023207590 A1 WO2023207590 A1 WO 2023207590A1
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WO
WIPO (PCT)
Prior art keywords
optical
lens
shake
lens part
optical anti
Prior art date
Application number
PCT/CN2023/087780
Other languages
French (fr)
Chinese (zh)
Inventor
陈烈烽
刘春梅
戚杨迪
刘佳
郭美杉
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 CN202210473081.1A external-priority patent/CN117008279A/en
Priority claimed from CN202210473080.7A external-priority patent/CN117008278A/en
Priority claimed from CN202210474033.4A external-priority patent/CN117008271A/en
Priority claimed from CN202210474035.3A external-priority patent/CN117008280A/en
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 WO2023207590A1 publication Critical patent/WO2023207590A1/en

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/09Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification

Definitions

  • the present application relates to the technical field of camera modules, and in particular, to an optical component and camera module capable of performing optical image stabilization and internal focusing.
  • the invention further relates to an assembly method of optical components.
  • the optical lens is one of the necessary components of the camera module, which can focus the incident light to image the camera module.
  • the pixels of camera modules have also been continuously improved.
  • the size of the photosensitive chip has also increased accordingly. has increased, so the design requirements for the optical lenses adapted to it are also getting higher and higher.
  • the existing integrated optical lens configured in the camera module includes a lens barrel and a plurality of lenses arranged in the lens barrel. Due to the technical limitations of the design and assembly method of the integrated optical lens, the integrated optical lens is configured with an integrated lens. Camera modules with conventional optical lenses cannot meet the requirements for miniaturization of large-chip camera modules. At the same time, the overall height of the lens is relatively high. In order to achieve the autofocus function, a certain amount of avoidance space needs to be reserved in the module for the lens to focus. move.
  • the present invention provides a lens driving structure suitable for large-size chip in-chip focusing, which can solve some or most of the problems existing in the existing integrated lens solution while realizing the anti-shake function.
  • the present invention provides an internal focusing camera module optical component suitable for a large image surface.
  • the size of the photosensitive chip increases, and at the same time, the driving force requirements for anti-shake and focus also increase. How to Improving the imaging quality of the camera module while ensuring the miniaturization of the overall structure is one of the current urgent problems.
  • the size of the photosensitive chip increases, the size of the optical lens adapted to it also increases, and the weight of the optical lens also increases.
  • the driving force provided by the driving device may not be enough to drive it to focus. and anti-shake. If the structure of the driving device itself is improved to provide greater driving force, the overall size of the driving device will be increased, which is not in line with the current trend of miniaturization.
  • the driving device drives some of the groups to move, achieving focusing and anti-shake effects in the large-chip imaging process, and improving the imaging quality of the camera module.
  • the miniaturization of the overall structure is taken into consideration.
  • One object of the present invention is to provide an optical assembly and camera module that divides the entire optical lens into multiple lens groups and drives some of the lens portions to move, thereby improving imaging quality while ensuring miniaturization of the overall structure.
  • Another object of the present invention is to provide an optical assembly and a camera module, which are configured with a driving device for at least one lens part in a plurality of groups of optical lenses.
  • Another object of the present invention is to provide an optical assembly and a camera module whose optical lens group mainly includes three lens parts so that the second lens part is movable and solves the problem of insufficient driving force.
  • Another object of the present invention is to provide an optical assembly and a camera module, so that when the first lens part and the third lens part are fixedly installed, the second lens part is disposed between the first lens part and the third lens part. and maintain a certain gap between them, Allow a distance for the second lens to focus.
  • Another object of the present invention is to provide an optical assembly and a camera module.
  • the first lens part and the third lens part are fixed on the fixed part of the driving device.
  • the second lens part is fixed on the movable part of the driving device.
  • the driving part The lens implements anti-shake or focusing functions.
  • Another object of the present invention is to provide an optical component and a camera module that drive the optical anti-shake part of the device and drive the second lens part to perform optical anti-shake, thereby realizing optical anti-shake within the lens group.
  • Another object of the present invention is to provide an optical component and a camera module that drive the focusing part of the device and drive the second lens part to focus, thereby achieving focusing within the lens group.
  • Another object of the present invention is to provide an optical assembly and a camera module in which the focusing and anti-shake modules in the optical assembly share a pair of magnets, which can fully utilize the space inside the driving device and achieve miniaturization of the overall structure.
  • Another object of the present invention is to provide an optical component and a camera module in which the focusing and anti-shake modules in the optical component share a pair of magnets, thereby reducing structural parts, making the structure compact, and reducing the size of the optical component, thereby achieving miniaturization.
  • Another object of the present invention is to provide an optical assembly and a camera module.
  • the second lens part moves within the housing, making full use of the internal space for focusing and anti-shake, realizing a reasonable configuration of the structure and meeting the miniaturization of the structure.
  • Another object of the present invention is to provide an optical assembly and camera module.
  • the housing provides a supporting surface for the first lens part and a receiving space for the second lens part.
  • the structure is compact, thereby achieving size reduction in the Z direction. .
  • Another object of the present invention is to provide an optical assembly and a camera module.
  • the anti-shake component is arranged above the base.
  • the third lens part is directly fixed to the base and installed at the installation position on the lower side of the base to achieve the size in the Z direction. decrease.
  • Another object of the present invention is to provide an optical assembly and camera module, which fixes the third lens part on the motor base, reserves an movable space for the movement of the second lens part, and prevents the second lens part and the driving device from moving. Impact between bases.
  • Another object of the present invention is to provide an optical assembly and a camera module.
  • a third lens unit installation position is provided on the lower surface of the motor base to provide sufficient installation space for the third lens unit and ensure the stability of the third lens connection. .
  • Another object of the present invention is to provide an optical assembly and a camera module, in which a circuit structure is injection-molded inside the base of the driving device.
  • Another object of the present invention is to provide an optical assembly and a camera module in which the yoke piece is injection molded in the base by inserting the yoke piece into the base, and the yoke piece is arranged by using two adjacent and connected sides to reduce movement. Resistance to carrier recovery.
  • Another object of the present invention is to provide an optical component and a camera module, which provides a photosensitive component structure based on a molded base and molds the joint between the circuit board and the photosensitive chip to provide a miniaturized camera module.
  • the present invention provides an optical component, which includes:
  • Optical lenses including:
  • a first lens part a second lens part, a third lens part arranged in sequence from the object side to the image side along the optical axis direction, and
  • An optical anti-shake part drives the second lens part to move in a direction perpendicular to the optical axis
  • the optical anti-shake part is movably held on the base
  • the base includes a base body, extending downward from the peripheral area of the base body to form an annular structure for the support portion, and the support portion and the base body form an installation position. , install the third lens unit.
  • the optical anti-shake part includes an optical anti-shake carrier, at least one optical anti-shake coil, and at least one optical anti-shake magnet.
  • the optical anti-shake coil is disposed on the base body and is Disposed above the third lens part, the optical anti-shake magnet is disposed on the optical anti-shake carrier, the second lens part is disposed in the optical anti-shake carrier, and the optical anti-shake coil
  • the optical anti-shake magnet is provided correspondingly and is adapted to drive the second lens part to move in a direction perpendicular to the optical axis.
  • the driving device further includes a guide support structure, and the optical anti-shake part is movably held on the base by the guide support structure.
  • the guide support structure is provided between the optical anti-shake carrier and the base.
  • the driving device further includes a focusing part, which is disposed inside the optical anti-shake part and drives the second lens part to move in the direction of the optical axis.
  • the focusing part includes a pair of focusing carriers and at least one pair of focusing coils.
  • the focusing carrier carries the second lens part and is located in the optical anti-shake carrier.
  • the focusing coil is disposed on on the focusing carrier.
  • the focus coil corresponds to the optical anti-shake magnet and is adapted to drive the focus carrier to move along the optical axis direction.
  • the focusing part may further include at least a pair of focusing magnets and a frame, the frame is located in the optical anti-shake carrier, the focusing magnet is disposed on the frame, and the The focusing coil is opposite and adapted to drive the focusing carrier to move along the optical axis direction.
  • the invention provides an optical component, which includes:
  • Optical lenses including:
  • a first lens part, a second lens part, and a third lens part are arranged in sequence from the object side to the image side along the optical axis direction,
  • optical anti-shake part drives the second lens part to move perpendicular to the optical axis
  • a housing, the first lens part is fixedly carried above the housing;
  • a base, the third lens portion is fixedly carried below the base, and the housing is provided above the base;
  • the first lens part, the housing and the base form an accommodation space, and the optical anti-shake part is accommodated in the accommodation space.
  • the optical anti-shake part moves perpendicular to the optical axis in the accommodation space.
  • the optical anti-shake part includes an optical anti-shake carrier, and the horizontal gap between the housing and the optical anti-shake carrier is larger than the horizontal gap between the optical anti-shake carrier and the optical axis perpendicular to the optical axis. The distance traveled in the horizontal direction.
  • the optical anti-shake part includes at least one optical anti-shake coil, at least one optical anti-shake coil Magnet, the optical anti-shake coil is arranged on the base body, the optical anti-shake magnet is arranged on the optical anti-shake carrier, the optical anti-shake coil and the optical anti-shake magnet are arranged correspondingly and are suitable for driving
  • the second lens portion moves in a direction perpendicular to the optical axis.
  • the driving device further includes a focusing part, the focusing part drives the second lens part to move along the direction of the optical axis.
  • the focusing part moves along the optical axis in the accommodation space.
  • a first gap is reserved between the first lens part and the second lens part in a direction along the optical axis, and there is a gap between the second lens part and the third lens part.
  • a second gap is reserved in the direction along the optical axis. The first gap and the second gap are suitable for the second lens part to move along the edge under the focus driving force provided by the focusing part in the accommodation space. When the optical axis moves upward or downward, it will not collide with the first lens portion and the third lens portion.
  • the housing includes a main body and a supporting portion.
  • the main body is in the shape of a hollow ring.
  • the upper end surface near the object side extends inward to form the supporting portion.
  • the lower end surface of the supporting portion The bottom of the first lens part constitutes the upper top surface of the accommodation space, and the upper moving end surface of the focusing part forms the first gap.
  • the base includes a base body and a support portion.
  • the support portion is an annular structure extending downward from a peripheral area of the base body.
  • the support portion and the base body form a An installation position is used to install the third lens part.
  • the upper end surface of the base body and the top of the third lens part constitute the lower bottom surface of the accommodation space.
  • the lower bottom surface of the accommodation space is in contact with the focusing
  • the lower moving end surface of the part constitutes the second gap.
  • the invention provides an optical component, which includes:
  • Optical lenses including:
  • a first lens part a second lens part, a third lens part arranged in sequence from the object side to the image side along the optical axis direction, and
  • An optical anti-shake part, the second lens part is disposed inside the optical anti-shake part
  • the optical anti-shake part drives the second lens part to move in a direction perpendicular to the optical axis relative to the first lens part and the third lens part.
  • the optical anti-shake part includes an optical anti-shake carrier, at least one optical anti-shake coil, and at least one optical anti-shake magnet, and the optical anti-shake magnet is disposed on the optical anti-shake carrier.
  • the optical anti-shake coil is arranged corresponding to the optical anti-shake magnet and is adapted to drive the second lens part to move in a direction perpendicular to the optical axis.
  • the driving device includes a housing, and the first lens part is fixedly carried above the housing.
  • the housing includes a main body and a supporting portion.
  • the main body is in the shape of a hollow ring.
  • the upper end near the object side extends inward to form the supporting portion.
  • the first lens portion is fixed.
  • the second lens is disposed in the housing.
  • the optical anti-shake part is disposed in the housing, and the optical anti-shake part drives the second lens part relative to the first lens part and the third lens part in the housing.
  • the three-lens lens section moves in a direction perpendicular to the optical axis.
  • the horizontal gap between the housing and the optical anti-shake carrier is larger than the optical anti-shake carrier.
  • the travel distance of the anti-shake carrier in the horizontal direction perpendicular to the optical axis.
  • the driving device includes a base, the third lens portion is fixedly carried below the base, and the housing is fixed on the base.
  • the base includes a base body, extending downward from the peripheral area of the base body to form an annular structure for the support portion, and the support portion and the base body form an installation position. , install the third lens unit.
  • the driving device further includes a guide support structure, and the optical anti-shake part is movably held on the base by the guide support structure.
  • the present invention provides a camera module, which includes:
  • optical component as described in any one of the foregoing, wherein the optical component is installed above the photosensitive component and maintained on the optical path of the photosensitive component.
  • the present invention provides an assembly method of an optical component, which includes:
  • an optical lens which includes a first lens part, a second lens part and a third lens part arranged in sequence from the object side to the image side along the optical axis direction;
  • assembling and calibrating the first lens part, the second lens part, and the third lens part includes:
  • the position of the first lens portion in the XY direction is corrected with the third lens portion and the second lens portion as a reference.
  • step (e) includes:
  • the optical lens formed by the second lens part, the first lens part, and the third lens part can meet the imaging requirements, the second lens part and the movable part are fixed.
  • the fixing part includes a base
  • the base includes a base body and a support part
  • an annular structure is formed downwardly from the peripheral area of the base body, which is the support part
  • the support part and the base body form an installation position
  • the third lens part is fixed at the installation position.
  • the fixing part also includes a shell, the shell includes a main body and a supporting part, the main body is hollow annular, and the upper end near the object side extends inward to form the supporting part,
  • the supporting portion of the first lens portion that is scheduled to be assembled on the housing is held above the second lens portion.
  • the movable part includes an optical anti-shake part
  • the second lens part is scheduled to be assembled to the movable part
  • the optical anti-shake part drives the second lens part and can be relative to the third lens part.
  • the first lens part and the third lens part move in a direction perpendicular to the optical axis.
  • the main body and the supporting part form a receiving space
  • the second lens part is arranged in the receiving space
  • the second lens part moves perpendicular to the optical axis in the receiving space.
  • the supporting portion of the housing is provided with an escape groove, and the second lens portion is clamped and adjusted through the escape groove.
  • the second lens group includes a clamping part, the clamping part integrally extends outward along the side of the second lens part, and extends into the space of the escape groove formed by the housing, The position of the second lens part is adjusted by clamping the clamping part through the escape groove.
  • Figure 1 shows an overall structural diagram of an optical assembly with a split optical lens in this application.
  • Figure 2 shows a schematic cross-sectional view of an optical assembly with a split optical lens in this application.
  • Figure 3 shows a three-dimensional exploded view of the optical assembly described in this application.
  • Figure 4 shows an exploded schematic diagram of the focusing part and the optical anti-shake part of the driving device in this application.
  • Figure 5 shows a schematic structural diagram of the combination of the focusing part and the optical anti-shake part of the driving device in this application.
  • Figure 6 shows a schematic structural diagram of the third lens installed on the base in this application.
  • Figure 7 shows an exploded schematic view of the optical anti-shake part and the base of the optical assembly in this application.
  • Figure 8 shows a schematic cross-sectional view of the base structure of the driving device in this application.
  • Figure 9 shows a schematic structural diagram of a camera module equipped with optical components in this application.
  • Figure 10 shows a cross-sectional view of a camera module provided with optical components in this application.
  • Figure 11 shows an exploded schematic view of the second lens part and the driving device in this application.
  • Figure 12 shows a cross-sectional view of the second lens part and the driving device in the present application after assembly.
  • the terms “set”, “installation”, “connected” and “connected” 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 the present invention can be understood according to specific circumstances.
  • the optical assembly includes an optical lens 20 and a driving device 30 .
  • the optical lens 20 is a split optical lens part, including a plurality of lens parts, the plurality of lens parts are arranged along the direction of the optical axis, wherein part of the optical lens 20 is arranged on the drive
  • the inside of the device 30 is held and driven by the driving device 30 .
  • the optical lens includes a first lens part 21, a second lens part 22 and a third lens part 23.
  • the first lens part 21, the second lens part 22 and the third lens part 23 are formed by the object along the direction of the optical axis. They are set sequentially from side to image side.
  • the first lens part 21 is disposed on the upper side of the driving device 30
  • the second lens part 22 is disposed inside the driving device 30
  • the third lens part 23 is disposed on the upper side of the driving device 30 .
  • below the driving device 30 to allow light to pass through the first lens part 21 , the second lens part 22 and the third lens part 23 of the optical lens 20 in sequence.
  • the first lens part 21 includes a first lens barrel 211 and at least a first lens group 212 installed in the first lens barrel 211
  • the second lens part 22 includes a second lens barrel 221 and a lens group 212 installed in the first lens barrel 211
  • the third lens portion 23 includes a third lens barrel 231 and at least a third lens group 232 installed in the third lens barrel 231
  • the first lens group 212 , the second lens group 222 and the third lens group 232 cooperate with each other to form an imaging optical system.
  • the Imaging optical system formed by the first lens part 21, the second lens part 22 and the third lens part 23, within the number range of the predetermined lens group, the Imaging optical system
  • the effective focal length is proportional to the number of optical lens groups, and its resolution is also proportional to the number of optical lens groups.
  • the split lens is implemented as a conventional driving device, that is, the driving device drives the overall optical lens for focusing and anti-shake, since each lens group has a fixed relative positional relationship, the split lens The lens will have a relatively large height, which will result in the overall driving device having a relatively large height, making it difficult to meet the requirements for miniaturization of optical components.
  • the middle lens part in the split lens 20 is configured as a movable lens, that is, the second lens part 22 is relative to the first lens part 21 and The relative position of the third lens part 23 can be adjusted, wherein the first lens part 21 and the third lens part 23 are fixed to the fixed parts of the driving device 30 respectively, so that during the shooting process , the second lens part 22 of the split optical lens is provided on the movable part of the driving device 30, and the second lens part 22 is adjusted to a predetermined position to form a clear image.
  • the driving device 30 drives the overall optical lens but meets the design requirements for miniaturization of optical components while the driving force is insufficient.
  • the second lens part 22 is disposed inside the driving device 30 and connected to the movable part of the driving device 30 .
  • the driving device 30 may be implemented to provide the focusing driving force of the second lens part 22 and optical anti-shake driving force, that is, the movable part includes a focusing part 32 and an optical anti-shake part 33.
  • the second lens part 22 is fixed on the focusing part of the driving device 30 In the focus carrier 321 of 32, the focus portion 32 is accommodated inside the optical anti-shake portion 33, and the focus portion 32 can move synchronously with the optical anti-shake portion 33.
  • the second lens part 22 can be driven by the focusing part 32 to move along the direction of the optical axis, thereby achieving focusing during the shooting process; the second lens part 22 can be driven by the optical anti-shake part 33 along the direction perpendicular to the optical axis. The direction of the axis moves to achieve anti-shake effect during shooting.
  • the structural configuration of the optical lens 20 and the driving device 30 is such that the driving device 30 can drive the optical lens 20 with an increased size to move to achieve shooting.
  • the driving device 30 drives the second lens part 22 to move
  • the first lens part 21 and the third lens part 23 are respectively fixed to the driving device 30,
  • the second lens part 22 is Fixed inside the driving device 30, the driving device 30 drives the part of the optical lens 20, that is, the second lens portion 22 to move, thereby achieving optical anti-shake and focusing functions with a relatively small driving device to solve the problem
  • the overall height of the lens is large and the driving force is insufficient.
  • the fixed part of the driving device 30 includes a housing 31 and a base 34.
  • the housing has a receiving space 313.
  • the first lens part 21 is fixed on the upper surface of the housing 31.
  • the third lens part 23 is fixed on the base 34 .
  • the housing 31 , the first lens part 21 and the third lens part 23 form an accommodation space therebetween.
  • the second lens part 23 is fixed on the base 34 .
  • the part 22 is fixed to the focusing part 32 on the driving device 30, is accommodated in the accommodation space, is arranged in the accommodation space, and is configured to be displaceable under the driving force of the driving device 30. .
  • the second lens part 22 is configured to be movable within the accommodation space.
  • the second lens part 22 is adapted to move in the XYZ direction within the movable space.
  • the optical axis direction of the optical system is defined as the Z-axis direction (i.e., the direction set by the Z-axis)
  • the first preset direction perpendicular to the plane where the optical axis is located is the X-axis direction (i.e., the direction set by the X-axis direction)
  • the second preset direction perpendicular to the plane where the optical axis is located is the Y-axis direction (that is, the direction set by the Y-axis).
  • the X-axis direction and the Y-axis direction are perpendicular to each other, and the Z-axis direction is perpendicular to the X-axis direction and the Y-axis direction.
  • the X-axis, Y-axis and Z-axis constitute a three-dimensional rectangular coordinate system.
  • the driving device 30 includes a housing 31, a focusing part 32, an optical anti-shake part 33, and a base 34, wherein the third The second lens part 22 is disposed inside the driving device 30 , the focusing part 32 is configured to drive the second lens part 22 to move along the direction of the optical axis to achieve optical focusing, and the optical anti-shake part 33 is It is configured to drive the second lens portion 22 to move in a direction perpendicular to the optical axis to achieve optical anti-shake.
  • the focusing part 32 is accommodated inside the optical anti-shake part 33 , and the second lens part 22 is disposed on the focusing part 32 .
  • the optical anti-shake part 33 drives the
  • the focusing part 32 is driven to move in a direction perpendicular to the optical axis together with the second lens part 22 to achieve anti-shake during shooting. effect.
  • the positional relationship between the focusing part 32 and the optical anti-shake part 33 is not limited in the optical assembly of the present invention.
  • the optical anti-shake part 33 may be located inside the focusing part 32.
  • the focusing part 32 drives the second lens part 22 to move along the direction of the optical axis, it may simultaneously drive the second lens part 22 to move along the optical axis.
  • the optical anti-shake part 33 moves along the direction of the optical axis to achieve focusing during the shooting process.
  • the housing 31 of the driving device 30 has a main body 311 and a supporting portion 312 .
  • the main body 311 of the housing 31 is in the shape of a hollow ring, and the upper end close to the object side faces
  • the supporting portion 312 extends inward and is used to support the first lens portion 21 .
  • the supporting portion 312 has at least one opening 3121 and at least one escape groove 3122.
  • the opening 3121 corresponds to the first lens portion 21, so that light enters through the first lens portion 21, and along the opening 3121
  • the relief groove 3122 is formed in the radial direction or along the optical axis direction, and the relief groove 3122 is provided between the supporting surface 312 and the first lens part 21 .
  • the housing 31 also has an accommodating space 313.
  • the main body 311 of the housing 31 and the supporting portion 312 constitute the accommodating space 313 to accommodate the focusing portion 32 and the optical anti-shake portion. 33 accommodated in its interior.
  • the escape groove 3122 forms an adjustment space for the second lens part 22 to facilitate adjustment of the position of the second lens part 22 during the subsequent assembly process.
  • the number of the escape grooves 313 may be two, which are respectively provided on both sides of the second lens part 22 and are arranged symmetrically with respect to the second lens part 22.
  • the number of grooves 313 may also be four, which are arranged at equal intervals around the second lens portion 22 .
  • the design of the escape groove 3122 is to facilitate process assembly. That is, when assembling optical components, the assembly equipment clamps the second lens portion 22 located in the driving device 30 from the outside. Based on the entire lens optical imaging system The imaging quality is adjusted in real time for assembly, thereby improving the accuracy, reliability and efficiency of assembly.
  • the focusing part 32 includes a pair of focusing carriers 321 , at least a pair of focusing coils 322 , at least a pair of focusing magnets 323 , a frame 324 , a holder 325 and a focusing unit 324 .
  • Sensing component 326 wherein the focus carrier 321 has a bearing outer side 3211, a bearing inner side 3212 corresponding to the bearing outer side, and a light hole 3213.
  • the light hole 3213 is located inside the focus carrier 321 .
  • the second lens part 22 is disposed in the light hole 3213 and is fixed on the inner side 3212 of the focus carrier 321 .
  • the focus coil 322 is provided on the bearing outer side 3211 of the focus carrier 321, and the focus magnet 323 is provided on the frame 324, It corresponds to the position of the focus coil 322 .
  • an interaction force occurs with the focus magnet 323 , causing the focus part 32 to drive the second lens part 22 to move along the optical axis to achieve focusing.
  • the focus carrier 321 is annular
  • the second lens portion 22 is disposed on the inside 3212 of the focus carrier 321
  • the focus coil 322 is wound around the outside of the focus carrier 321 .
  • the focus magnet 323 is arranged around the focus coil 322.
  • the frame 324 is annular and is located outside the second lens part 22 . There may be two focusing magnets 323 , and the focusing magnets 323 are arranged on opposite sides of the frame 324 in a symmetrical manner. .
  • the bearing outer side 3211 of the focus carrier 321 forms an annular winding groove 3214, wherein the focus coil 322 is wound around the winding groove 3214 of the focus carrier 321, so as to It is ensured that the focus coil 322 is fixedly arranged on the bearing outer side 3211 of the focus carrier 321 .
  • a plurality of protrusions are formed on the outer side 3211 of the focus carrier 321 for surrounding the focus coil 322, and the focus coil 322 is symmetrically arranged on the side.
  • the assembly method of the focusing magnet 323 and the frame 324 is not limited in the optical assembly of the present invention.
  • the focusing magnet 323 can be pasted on the inner wall of the frame 324.
  • the focusing magnet 323 is fixedly arranged on the frame 324 .
  • the frame 324 includes at least one embedded groove 3241 , wherein the focusing magnet 323 is embedded in the embedded groove of the frame 324 .
  • the mounting groove 3241 is used to fix the focusing magnet 323 inside the embedded groove 3241 of the frame 324 .
  • the second lens barrel 211 and the focus carrier 321 may have the same structure, and the second lens group 222 is directly fixed inside the focus carrier 321 , that is, the second lens group 222
  • the second lens portion 22 is directly provided on the inner side 3212 of the focusing carrier 321 , and the number of the second lens group 222 may be multiple or one.
  • the second lens group 222 is directly fixed inside the focus carrier 321 to form the second lens part 22.
  • the structural design of the driving component can also be simplified. Achieve miniaturization of the overall structure.
  • the focusing part 32 further includes a holding member 325 for movably holding the focusing carrier 321 on the frame 324 .
  • the retaining member 325 may include at least one elastic member. More specifically, the retaining member 325 includes an upper elastic member 3251 and a lower elastic member 3252 , wherein the upper elastic member 3251 is fixed to The upper elastic member 3251 is fixed to the upper surface of the frame 324 on the upper surface of the focusing part 32 , that is, the upper elastic member 3251 is disposed on the light incident side of the second lens part 22 , so The lower elastic member 3252 is fixed to the lower surface of the focusing part 32, and the lower elastic member 3252 is fixed to the lower surface of the frame 324.
  • the lower elastic member 3252 is disposed on the second lens.
  • the upper elastic member 3251 and the lower elastic member 3252 cooperate with the focus carrier 321 to allow the second lens part 22 to be suspended inside the frame 324 .
  • the upper elastic member 3251 and the lower elastic member 3252 are in the shape of a sheet as a whole. Through the action of the upper elastic member 3251 and the lower elastic member 3252, the focus carrier 321 is held inside the frame 324.
  • the upper and lower elastic members can not only keep the focus carrier 321 in the frame 324, but also use their own elasticity to provide a restoring force, that is, when the focus carrier 321 is driven along the optical axis under the action of the driving force, After the second lens part 22 moves to focus, the retaining member 325 can use its own elasticity to cause the focusing carrier 321 to return to the original position.
  • the focusing part 32 also includes a pair of focusing circuits 327, and the focusing circuit 327 and the circuits on the frame 324 are connected to each other to ensure the circuit connection of the focusing part 32, wherein the focusing circuit 326 It is formed inside the focus carrier 321 through an injection molding process, and the circuit interface of the focus circuit 326 is reserved on the surface of the focus carrier 321 so that the focus coil 322 passes through the focus circuit 326 and the frame. 324 are electrically connected to form a working circuit of the focusing part 32 to ensure that the focusing part 32 provides focusing driving force for the second lens part 22 after being powered on.
  • the focusing part 32 also includes a focus sensor 326, which is mainly used to sense the position of the focus carrier 321 and focus according to the shooting requirements to obtain imaging. Clear picture.
  • the focus sensor 326 includes an IC controller 3261 and a position sensor 3262.
  • the IC controller is mainly used to control the focus according to the position information monitored by the position sensor 3262.
  • the current in the coil 322, including the magnitude and direction of the current, is used to adjust the position of the focus carrier 321.
  • the optical anti-shake part 33 includes an optical anti-shake carrier 331, at least one optical anti-shake coil 332, and at least one optical anti-shake magnet 333.
  • the optical anti-shake part 33 is mainly used to achieve anti-shake effect during shooting.
  • the second lens portion 22 is driven to move in a direction perpendicular to the optical axis.
  • the direction perpendicular to the optical axis in this application mainly refers to the X direction and the Y direction.
  • the focus carrier 321 is accommodated inside an optical anti-shake carrier 331.
  • the optical anti-shake carrier 331 has an installation position for the optical anti-shake magnet 333.
  • the optical anti-shake magnet 333 is mounted on the optical anti-shake carrier 331. It is fixed on the installation position formed by the optical anti-shake carrier 331 .
  • the optical anti-shake carrier 331 is in the shape of a square ring. There may be four optical anti-shake magnets 333 , which are symmetrically arranged on the optical anti-shake carrier 331 .
  • the optical anti-shake coil 332 is disposed below the optical anti-shake magnet 333, corresponds one-to-one with the optical anti-shake magnet 333, and is used to provide driving force for optical anti-shake.
  • the optical anti-shake part 33 also includes at least one optical anti-shake sensor 334, which is mainly used to sense the position of the optical anti-shake carrier 331, wherein the second lens part 22 is accommodated in the optical anti-shake carrier 331. Inside the optical anti-shake carrier 331, the second lens part 22 moves with the movement of the optical anti-shake carrier 331, thereby adjusting the position of the second lens part 22 in the horizontal direction perpendicular to the optical axis. , to achieve shake correction during shooting.
  • the optical image stabilization sensor 334 includes an X direction sensor 3341 and a Y direction sensor 3342.
  • the X direction sensor 3341 and the Y direction sensor 3342 are used to monitor the optical image stabilization.
  • the position of the anti-shake carrier 331 is fed back to the driving device control center.
  • the driving device control center controls the current in the optical anti-shake coil 332 according to the feedback position information, including the size and direction of the current. Adjust the position of the optical anti-shake carrier 331.
  • the focusing part 32 and the optical anti-shake part 33 share the same set of magnet pairs, that is, the optical anti-shake magnet 333 and the focusing magnet 323 are The same set of magnet pairs, and the frame 324 of the focusing part 32 and the optical anti-shake carrier 331 have the same structure, that is, the focus coil 322 is disposed on the focus carrier 321 and is located inside the frame 324.
  • the focus magnet 323 is disposed on the frame 324 and is implemented as a common magnet for focusing and optical image stabilization.
  • the optical image stabilization coil 332 is disposed at a position corresponding to the focus magnet 322 .
  • the common magnet of the focusing part 32 and the optical anti-shake part 33 By increasing the height of the common magnet of the focusing part 32 and the optical anti-shake part 33 The manner is such that the common magnet simultaneously cooperates with other components of the focusing part 32 and the optical anti-shake part 33 to drive the second lens part 22 to move along the optical axis and in a direction perpendicular to the optical axis. In this way, the structural parts are reduced, the structure is compact, and the size of the optical component is reduced, thereby achieving miniaturization.
  • the focusing unit 32 for driving the second lens unit 22 and the optical anti-shake unit 33 for driving the second lens unit 22 share some driving components to fully utilize the
  • the internal space of the driving device 30 reduces the height dimension of the optical component.
  • the common magnet of the focusing part 32 and the optical anti-shake part 33 can also be made to cooperate with other components of the focusing part 32 and the optical anti-shake part 33 in other ways.
  • this application is not limited.
  • the optical anti-shake coil 332 is located at a position corresponding to the optical anti-shake magnet 333. In some embodiments, the optical anti-shake coil 332 is disposed below the optical anti-shake magnet 333 and is located on the optical anti-shake carrier. On the lower surface of 331, the optical anti-shake coil 332 is located within the magnetic field of the optical anti-shake magnet 333. When the optical anti-shake coil 332 is powered on, sufficient driving force is provided for the second lens part 22 to achieve Long travel anti-shake.
  • the optical anti-shake driving part 33 In order to realize the circuit conduction of the optical anti-shake part 33 during operation and ensure that the optical anti-shake carrier 331 is provided with a driving force to move along the X/Y direction, the optical anti-shake driving part 33 also An optical anti-shake circuit 335 is included.
  • the optical anti-shake circuit 335 is mainly used to conduct the optical anti-shake coil 332 and provide the optical anti-shake sensing element 334 with the current required during its operation.
  • the present application also provides a base 34 adapted to the third lens part 23 , the base 34 includes a base body 341, a base pillar 342 provided on the base body 341, and a support portion 343.
  • the base pillar 342 integrally extends upward along the corner area of the base body 341 , so that the base pillar 342 and the surface of the base body 341 form a mounting surface with a height difference.
  • the number of the base pillars 342 is at least two, and preferably, the base pillars 342 are symmetrically arranged on the base body 341 and fixed to the base body 341 .
  • the base pillars 342 are located at the four corners of the base body 341 , extend upward integrally along the four corner areas of the base body 341 , and are symmetrically distributed.
  • the base 34 surrounds the third lens portion 23 .
  • the peripheral area of the base body 341 of the base 34 extends downward to form an annular structure, which is the support portion 343 .
  • the support portion 343 and the The base body 341 forms a mounting position for mounting the third lens portion 23 .
  • the lower surface of the base body 341 and the inner surface of the support part 343 form the installation position, and the third lens barrel 231 of the third lens part 23 rests on all parts of the base 34 Describe the installation location.
  • the specific formation manner of the base pillar 342 and the support portion 343 is not limited by this application.
  • the base pillar 342 and the support portion 343 can be formed with the base body 341 through an injection molding process. Integrated molding can also be further performed on the formed base body 341 through an injection molding process.
  • the optical anti-shake coil 332 is disposed on the base 34. More specifically, the optical anti-shake coil 332 includes an X-direction anti-shake coil and a Y-direction anti-shake coil, which is disposed on the base body 341, and The optical anti-shake magnets 334 are opposite to each other.
  • the optical anti-shake coil 332 is disposed on the upper surface of the base 34, and device mounting positions are provided on the upper surface of the base 34 along the periphery of the light hole, wherein the device may be a position Sensor, coil or circuit board.
  • the optical anti-shake coil 332 is disposed on the base 34 and is evenly arranged around the light hole of the base 34.
  • the optical anti-shake coil 332 is The number may be multiple. In a specific embodiment, the number of optical anti-shake coils 332 may be four, which is consistent with the number of optical anti-shake magnets 333 in this application.
  • an optical anti-shake magnet 333 is provided at a position above the optical anti-shake coil 332, wherein the optical anti-shake magnet 333 is fixedly provided on the frame 324. After the optical anti-shake magnet 333 is fixedly installed, its lower surface is parallel to the upper surface formed by the optical anti-shake coil 332 .
  • the third lens barrel 231 of the third lens part 23 may be integrally formed with the base 34 , that is, the third lens group 232 is directly disposed on the base 34 . on the installation position.
  • the third lens group 232 of the third lens group 23 protrudes from the third lens barrel 231, and after the third lens group 23 is fixed to the base body 341, the The top of the third lens group 23 is flush with the upper end surface of the base 34 , that is, a certain gap is reserved between the second lens group 22 and the third lens group 23 .
  • the base 34 extends along its upper surface, and the extension surface is a horizontal plane.
  • the extension surface can be used to install the housing 31 of the driving device, and the housing 31 is also It can be used as the installation bearing surface of the first lens part 21, and the horizontal surface extending from the base is in horizontal contact with the driving device housing 31, which can ensure the flatness of the installation of the driving structure.
  • an optical anti-shake sensor installation slot 3412 is provided on the upper surface of the base body 341 of the base 34.
  • the optical anti-shake sensor installation slot 3412 is formed on the base 34 and passes through the interior. It is formed in a concave manner and forms a groove-like structure on the base 34 to accommodate the optical anti-shake sensing member 334 therein.
  • the sensing element 334 is connected to the optical anti-shake circuit 335 embedded in the base 34 to provide the current required for the operation of the optical anti-shake sensing element 334 .
  • the optical anti-shake sensor installation slot 3412 includes an X-direction installation slot and a Y-direction installation slot, which are respectively located on two adjacent sides of the base body 341, and the optical anti-shake coil 332 is located on the base.
  • the number of the optical anti-shake coils 332 is multiple. In this application, the number of the optical anti-shake coils 332 can be four, which are respectively provided on the base 34 around the light holes.
  • the optical anti-shake sensor 334 is located in the middle of the optical anti-shake coil 332 and corresponds to the position of the lower surface of the optical anti-shake magnet 333 to monitor the optical anti-shake at any time. The location of carrier 331.
  • the driving device 30 further includes a guide support structure 35 for improving the stability of the optical anti-shake process. Movement stability.
  • the guide support structure 35 is provided between the optical anti-shake carrier 331 and the base 34 . More specifically, the guide support structure 35 is provided between the optical anti-shake carrier 331 and the base body 341, so that when the optical anti-shake carrier 331 moves relative to the base 34, the The guide support structure 35 can always support and guide the optical anti-shake carrier 331 so that the optical anti-shake carrier 331 can move smoothly.
  • the guide support structure 35 is disposed between the base 34 and the optical anti-shake carrier 331 , so that the base 34 always remains movably connected between the guide support structure 35 and the optical anti-shake carrier 331 . touch.
  • the optical anti-shake coil 332 interacts with the optical anti-shake magnet 333 to drive the optical anti-shake carrier 331 to move along the X-axis direction and the Y-axis direction.
  • the guide support structure 35 is implemented as a mechanism with a track-ball structure.
  • the guide support structure 35 includes an optical anti-shake carrier 331 and a base 34 .
  • the track and the balls 351 arranged in the track. Since the ball is arranged in the limit area, the movement trajectory of the ball is limited in the track, and the ball can slide or roll in the limit area according to the preset movement mode, reducing friction during the movement of the optical anti-shake part 33 At the same time, the parallelism of the optical anti-shake part 33 when moving can also be ensured.
  • the rolling balls 351 include at least two, preferably three or more rolling balls 351, which are arranged at the corners or side positions of the base 34, and the bottom of the optical anti-shake carrier 331 extends downward or A first limiting area 3311 is recessed, and the base body 341 of the base 34 extends upward or is recessed to have a second limiting area 3411.
  • the first limiting area 3311 and the second limiting area 3411 form a
  • the ball 351 is placed in a receiving position to limit the ball in the space formed by the ball 351 to assist the movement of the anti-shake carrier 331 .
  • the shape of the track is not limited by the present application, and it can be implemented as a "cross" shape, a rectangle, etc.
  • the shape of the track guides the optical anti-shake carrier 331 to move with the second lens part 22.
  • the limiting area is implemented to include extending along the X-axis and/or Or a track extending along the Y axis.
  • the driving device 30 further includes a stabilizing member 36 .
  • the stabilizing member 36 may be a magnetic conductive member 361 .
  • the magnetic conductive member 361 is disposed in the base body 341 of the base 34 , and is located directly below the optical anti-shake magnet 333.
  • the magnetic conductive member 361 can be an iron piece, which generates an attractive force with the optical anti-shake magnet 333 fixed on the optical anti-shake carrier 331. , so that the optical anti-shake part 33 and the base 34 remain relatively stable to assist the movement of the optical anti-shake carrier 331 .
  • the number of the magnetically permeable members 361 is 4, the number of the optical anti-shake coil 332, the optical anti-shake magnet 333 and the magnetic permeable member 361 are consistent. Magnets 333 are arranged along four sides of the optical anti-shake carrier 331 .
  • the formation method of the magnetic conductive member 361 is not limited by this application.
  • the magnetic conductive member 361 is integrally formed on the base body 341 of the base 34 through an insert injection molding process.
  • the magnetic conductive member 361 It can also be fixed to the base body 341 of the base 34 by gluing, so that the magnetic conductive member 361 can face the magnet 333 .
  • the driving device 30 further includes an electrical connection member 37.
  • the electrical connection member 37 is disposed on the base 34 and is electrically connected to the holder 325, so that the electrical connection member 37 and the holder 325 can be connected to each other. 325 provides a working circuit connection for the focus coil 322 and the optical anti-shake coil 332 .
  • the electrical connection member 37 includes an upper end 371 , a middle portion 372 and a lower end 373 .
  • the upper end portion 371 , the middle portion 372 and the lower end portion 373 are electrically connected to each other.
  • the middle portion 372 of the electrical connection member 37 is disposed in the base body 341 , and the upper end 371 of the electrical connection member 37 integrally extends upward from the base body 341 along the base pillar 342 .
  • the lower end 373 of the member 37 extends downward from the base body 341 to achieve electrical conduction with circuit components outside the driving device 30 .
  • the middle portion 372 of the electrical connection member 37 includes a plurality of electrical connection elements.
  • the middle portion 372 of the electrical connection member 37 At least one of the plurality of electrical connection elements 372 integrally extends upward to the top of the base support 342 to form the upper end 371 of the electrical connection member 37; At least one of the connecting elements integrally extends downwardly to the bottom end of the supporting portion 343 of the base 34 to form a lower end portion 373 of the electrical connecting member 37 .
  • the formation method of the electrical connection member 37 is not limited by this application.
  • the electrical connection member 37 is integrally formed on the base 34 through an insert injection molding process. That is to say, the electrical connection member 37 is integrally formed on the base 34 .
  • the middle part 372 of the electrical connection member 37 is integrally formed in the base body 341
  • the upper end 371 of the electrical connection member 37 is integrally formed in the base support 342
  • the lower end 373 of the electrical connection member 37 is formed from the base body 341 Extending downward, it may also be integrally formed on the support part 343 and extend to the bottom of the support part 343 to expose the electrical contact points.
  • the electrical connection member 37 is formed on the surface of the base body 341 by adhesion, the outer peripheral side of the support portion 343 forms a soft board structure, and the lower end portion 373 is disposed on the soft board. Within the structure, flexible electrical connections are achieved.
  • the middle portion 372 of the electrical connection member 37 includes circuits for focusing and anti-shake.
  • the focus coil 322 is electrically connected to the upper end 371 of the electrical connection member 37 through the upper elastic member 3251 or the lower elastic member 3252, and the optical anti-shake coil 332 is connected to the middle portion 372 of the electrical connection member 37.
  • Electrical connection more specifically, the focus coil 322 is electrically connected to the upper elastic member 3251 or the lower elastic member 3252 through the focus circuit 327.
  • the upper elastic member 3251 or the lower elastic member 3252 The optical anti-shake coil 332 is electrically connected to the middle part 372 of the electrical connection member 37 .
  • the optical anti-shake circuit 335 is electrically connected to the middle part 372 of the electrical connection member 37 . Electrical connection.
  • the upper elastic member 3251 or the lower elastic member 3252 used to conduct the focusing coil 332 includes a focusing elastic part 32511 and an anti-shake elastic part 32512.
  • the focusing elastic part 32511 and the anti-shake elastic part Portion 32512 extends in a plane perpendicular to the optical axis.
  • the focusing elastic part 32511 is located on the inner periphery of the anti-shake elastic part 32512.
  • the inner side of the focusing elastic part 32511 extends to and is fixed to the upper surface of the focusing carrier 321, and the outer side of the focusing elastic part 32511 extends to and is fixed to the upper surface of the frame 324, the inner side of the anti-shake elastic part 32512 extends to and is fixed to the upper surface of the frame 324, and the outer side of the anti-shake elastic part 32512 extends to and is fixed to on the upper surface of the base support 342 of the base 34 .
  • the driving device 30 is suitable for driving the focus carrier 321 to move relative to the frame 324 along the direction set by the optical axis to perform optical focusing, and the driving device 30 is suitable for driving the frame 324
  • the focus carrier 324 carrying the optical lens is driven to move in a plane perpendicular to the optical axis to perform optical anti-shake.
  • the focus elastic part 32511 deforms to accumulate elastic force; when the driving device 30 stops driving, the elastic force of the focusing elastic part 32511 is released, driving the focusing carrier 321 to return to the original position.
  • the driving device 30 drives the frame 324 to move along the X-axis direction and the Y-axis direction in a plane perpendicular to the optical axis, the anti-shake elastic part 32512 deforms to accumulate elastic force; when the driving device 30 stops driving, the elastic force of the anti-shake elastic part 32511 is released, and the frame 324 is driven to return to the original position.
  • the second lens part 22 is disposed in the driving device 30. Under the driving force of the driving device 30, the second lens part 22 can move along the optical axis to achieve focusing, or can move along the optical axis perpendicular to the optical axis. In-plane movement to achieve optical protection
  • the optical sensitivity of the second lens part 22 is higher than that of other lens parts, wherein the second lens part 22 includes an optical zone and structural area, wherein, in a specific embodiment, the size of the optical area boundary and the optical axis of the second lens part 22 is smaller than the size of the optical zone and the optical axis of the first lens part 21, and the second lens part 22
  • the size of the optical zone boundary and the optical axis of the lens portion 22 is smaller than the size of the optical zone and the optical axis of the third lens portion 23 .
  • the third lens 23 is disposed at the installation position of the base 34, wherein the number of the third lens groups 232 is multiple. In this application, the number of the third lens groups 232 is more than 3. .
  • a first gap is reserved between the first lens part 21 and the second lens part 22 in the direction along the optical axis, and there is a gap between the second lens part 22 and the third lens part 23
  • a second gap is reserved in the direction along the optical axis.
  • the lower end surface of the supporting portion 312 of the housing 31 and the bottom of the first lens portion 21 constitute the upper top surface of the accommodation space 313 , and the upper end surface of the focus carrier 321 is in contact with the upper end surface of the focusing carrier 321 .
  • the top of the second lens part 22 forms an upper moving end surface of the movable part, and the upper top surface of the accommodation space 313 and the upper moving end surface of the movable part form the first gap.
  • the upper end surface of the base body 341 and the top of the third lens part 23 form the lower bottom surface of the accommodation space 313
  • the lower end surface of the focus carrier 321 and the bottom of the second lens part 22 form a movable part
  • the lower moving end surface of the accommodation space 313 and the lower moving end surface of the movable part form the second gap.
  • the first gap is used for the second lens part 22 to move upward along the optical axis
  • the second gap is used for the second lens part 22 to move downward along the optical axis.
  • the main body 311 of the housing 31 constitutes the peripheral side of the accommodation space 313, and the outer peripheral side of the optical anti-shake carrier 331 and the peripheral side of the accommodation space 313 constitute the third gap.
  • the gap is used for the optical anti-shake carrier 331 to move horizontally in a direction perpendicular to the optical axis.
  • the peripheral side of the optical anti-shake carrier 331 and the base pillar 342 form the fourth gap, and the fourth gap defines the horizontal movement distance of the optical anti-shake carrier 331 perpendicular to the optical axis.
  • the third gap and the fourth gap are used for the optical anti-shake carrier 331 to move in a horizontal direction perpendicular to the optical axis, that is, the horizontal gap between the housing 31 and the optical anti-shake carrier 331 is greater than The optical anti-shake carrier 331 moves in a horizontal direction perpendicular to the optical axis.
  • the movable part formed by the focusing part 32, the optical anti-shake part 33 and the second lens part 22 is accommodated in the accommodation space 313 of the housing 31.
  • the second lens part 22 moves along the optical axis direction or in the direction perpendicular to the optical axis under the action of driving force to realize the optical focusing and optical anti-shake functions of the camera module.
  • the housing 31 provides a supporting surface for the first lens part 21 to keep the first lens part 21 above the second lens part 22.
  • the housing 31 and the base 34 forms an accommodation space that limits the movement space of the focusing portion 32 and the optical anti-shake mechanism 33 .
  • the optical assembly drives the second lens part 22 of the split optical lens 20 to move to solve the problem of insufficient driving force of the driving device 30 and increase in motor size.
  • conflict between the big ones. By driving the second lens part 22 to move, one driving device is used for focusing and anti-shake during shooting. 30 is achieved, which can effectively utilize the internal space of the driving device and reduce the height size of the overall optical component.
  • the optical component is combined with a photosensitive component 40 to form a camera module.
  • the photosensitive component 40 includes at least one circuit board 41 and at least one photosensitive chip. 42 and a filter element 43.
  • the photosensitive chip 42 is installed and electrically connected to the circuit board 41.
  • the filter element 43 is held on the photosensitive path of the photosensitive chip 42.
  • the optical component is held on the photosensitive path of the photosensitive component 40, so that the light entering the optical component reaches the photosensitive chip 42 of the photosensitive component 40 after passing through the optical component, thereby achieving imaging.
  • the circuit board 41 can be used as a substrate of the photosensitive component 40 to support other parts of the photosensitive component 40 .
  • the circuit board 41 may have a first surface 411 and a second surface 412 opposite to the first surface 411.
  • the first surface 411 faces the object side, and the second surface 422 faces away from the object side.
  • the circuit board 41 includes a circuit board body, a connecting strap and a connector part (the connecting strap and the connector part are not shown in the figure).
  • the connecting strap part is connected between the circuit board main body and the connector part to achieve electrical conduction between the circuit board main body and the connector part, and the connector is used to connect with external equipment. .
  • the photosensitive chip 42 may be a photosensitive coupling device (CCD) or a complementary oxide metal semiconductor device (COMS). And the photosensitive chip 42 may include a photosensitive area in the center and a non-photosensitive area surrounding the photosensitive area.
  • the photosensitive area of the photosensitive chip 42 can receive light passing through the optical system including the first lens part 21 , the second lens part 22 and the third lens part 23 , and has a photosensitive area corresponding to the photosensitive area. path.
  • the photosensitive chip 42 can be disposed on the first surface 411 of the circuit board 41 . Specifically, the photosensitive chip 42 can be mounted on the central area of the first surface 411 of the circuit board 41 .
  • the photosensitive chip 42 is electrically connected to the circuit board 41 through wire bonding (gold wire), welding, flip-chip (FC), redistribution layer (RDL), etc.
  • the electrical connection may be implemented as wire bonding.
  • the circuit board 41 has a mounting groove for accommodating the photosensitive chip 42 , and the shape of the mounting groove corresponds to the shape of the photosensitive chip 42 .
  • the depth of the installation groove may be equal to the thickness of the circuit board 41 .
  • the photosensitive component 40 may also include a reinforcing plate 46. When the thickness of the photosensitive chip 42 is less than or equal to the thickness of the circuit board 41, the photosensitive chip 42 can be completely embedded in the installation groove of the circuit board 41.
  • the reinforcing plate 46 such as a steel plate, can be provided on the second surface 411 of the circuit board 41 to enhance the strength of the circuit board 41 .
  • the depth of the mounting groove may be smaller than the thickness of the circuit board 41 .
  • the photosensitive chip 42 When the photosensitive chip 42 is embedded in the mounting groove, the photosensitive chip 42 may protrude from the third side of the circuit board 41 .
  • the reinforcing plate 46 such as a steel plate, can also be provided on the second surface 412 of the circuit board 41 to strengthen the circuit board 41 Strength of.
  • the volume and weight of the photosensitive component 40 can be reduced as a whole, which is beneficial to lowering the height of the photosensitive component 40 and realizing its overall structure. of miniaturization.
  • the filter element 43 is held on the photosensitive path of the photosensitive chip 42 and is used to filter the imaging light entering the photosensitive chip 42 .
  • the photosensitive component 40 further includes a bracket 44 for supporting and retaining the filter element 43 .
  • the filter element 43 is installed on the bracket 44 and corresponds to at least part of the photosensitive area of the photosensitive chip 42 so as to be held on the photosensitive path of the photosensitive chip 42 .
  • the combination method of the bracket 44 and the circuit board 41 is not limited by this application.
  • the bracket 44 can be molded separately to form a structure independent of the circuit board 41.
  • the filter element bracket 44 is attached to the circuit board 41 through adhesive and can be used to support other components.
  • the filter element bracket 44 and the circuit board 41 are integrally formed at a preset position of the circuit board body through a molding process.
  • the photosensitive component 40 further includes at least one electronic component 45 .
  • the electronic component 45 is disposed on the circuit board 41 and is electrically connected to the circuit board 41 .
  • the electronic component 45 may be disposed on the first surface 411 of the circuit board 41 and spaced apart from the photosensitive chip 42 .
  • the electronic component 45 can be mounted on the edge area of the first surface 411 of the circuit board 41 and be separated from the photosensitive chip 42 by a certain distance.
  • the electronic component 45 may be implemented as a capacitor, a resistor, a driving device, etc., for example.
  • the bracket 44 is disposed on the first surface 411 of the circuit board 41 and has a stepped light hole corresponding to the photosensitive path of the photosensitive chip 42 .
  • the stepped light hole may have at least two cavities with different diameters, and the cavity farthest from the photosensitive chip 42 may be the first cavity.
  • the bracket 44 may have a top surface parallel to the first surface 411 of the circuit board 41 , and the cavity of the stepped light hole close to the photosensitive chip 42 may have an inclined inner surface. side.
  • the bracket 44 can be disposed at the edge area of the first surface 41 of the circuit board 41 and does not overlap the photosensitive chip 42 .
  • the bracket 44 may be disposed at an edge area of the first surface 411 of the circuit board 41 and overlap with the non-photosensitive area of the photosensitive chip 42 .
  • the bracket 44 integrally molds the connection line between the circuit board 41 and the photosensitive chip inside the bracket 44 through a molding process. While protecting the gold wire, it can replace the traditional color filter element bracket and reduce the stress of the camera module. While reducing weight, it can also reduce the height of the camera module.
  • the bracket 44 covers the electronic components 45 and the connecting wires and is integrally formed with the circuit board 41 through a molding process.
  • the electronic component 45 can be packaged inside the bracket 44 .
  • the whole body formed by the bracket 44 and the circuit board 41 may also include a non-photosensitive area of the photosensitive chip 42 . Encapsulating the electronic component 45 between the bracket 44 and the circuit board 41 can effectively protect the electronic component 45 .
  • the color filter element 43 can be disposed in the first cavity of the stepped light aperture, and the thickness of the color filter element 43 on the optical axis is less than or equal to the thickness of the first cavity of the stepped light aperture in the optical axis.
  • the height on the axis forms a space between the color filter element 43 and the photosensitive chip 42 .
  • the color filter element 43 and the top surface of the bracket 44 can be on the same plane, Or it may be recessed relative to the top surface of the bracket 44 . This helps to reduce the overall height of the photosensitive component 40, thereby reducing the The overall height of the module.
  • the bracket 44 to support the color filter element 43, the independently installed mounting base of the color filter element 43 can be eliminated. This can reduce the overall volume and weight of the photosensitive component 40, which is beneficial to the photosensitive component 40.
  • the anti-shake control accuracy is high, and the resulting camera module can achieve miniaturization of the overall structure.
  • the present application provides a large-chip camera module structure, as shown in Figure 10.
  • the camera module structure includes the above-mentioned module housing 10, optical lens 20, driving device 30 and photosensitive component 40, wherein, the The optical lens is a split optical lens, including a first lens part 21, a second lens part 22, and a third lens part 23.
  • the positions of the first lens part 21 and the third lens part 23 is in a fixed state, and the second lens part 22 is in an adjustable state.
  • the driving device 30 is fixedly connected to the second lens part 22, and under the action of the driving device 30, during the working process, the second lens part 22 can move along the direction of the optical axis and Move perpendicular to the optical axis to achieve focus and anti-shake functions during shooting.
  • the camera module further includes a photosensitive component 40.
  • the photosensitive component 40 is disposed directly below the driving device 30, and the center of the optical axis of the driving device 30 is consistent with the center of the photosensitive component 40.
  • the photosensitive component 40 mainly receives light passing through the optical system to form a captured image.
  • the photosensitive component 40 is formed using a molding process, and the non-photosensitive area of the photosensitive chip 42 and the electronic component 45 as well as the connection line between the two are molded inside the bracket 44 formed by it. , and form a mounting structure of the color filter element 43 on it, and use the reinforcing plate 46 provided at the bottom of the circuit board 41 to increase the strength of the circuit board to ensure the flatness of the large chip in this solution and achieve overall photosensitivity. While the height of the component 40 is reduced, the stability of the overall structure is ensured.
  • the camera module further includes a module housing 10.
  • the module housing 10 accommodates the above-mentioned components in the space formed by it and the photosensitive component 40, so The upper surface of the module housing 10 has an opening, the first lens part 21 is accommodated in the opening, and the light incident aperture of the first lens part 21 is consistent with the center of the opening.
  • the lower surface of the module housing 10 is bonded and fixed with the edge of the circuit board of the photosensitive component 40 to better protect the internal components and ensure the stability of the overall structure.
  • the size of the built-in photosensitive chip 42 can exceed one inch, which can better improve the image quality of the camera module.
  • the technical solution of using the internal focusing of the optical lens 20 is to drive part of the lens part to move to achieve the focusing and anti-shake functions during the shooting process. While ensuring the miniaturization of the overall structure, it is conducive to providing a large-size photosensitive chip anti-shake function. Shake and focus solutions. At the same time, some lenses are driven to achieve shooting and anti-shake, and other lens parts remain fixed during the shooting process. The fixed part lenses can be used to perform real-time position correction of the movable lens part to obtain a more accurate optical imaging system. , while ensuring simplified assembly processes and improved assembly accuracy.
  • the drive provided in this application moves part of the lens group in the split optical lens to achieve focus and shake correction, which can solve the problem of increasing motor driving force and motor
  • the contradiction between the increase in size results in a miniaturized camera module structure.
  • the present invention further provides an optical component, that is, a combination of a driving device and an optical lens.
  • An assembly method wherein the assembly method includes the following steps:
  • an optical lens 20 which includes a first lens part 21, a second lens part 22 and a third lens part 23 arranged in sequence from the object side to the image side along the optical axis direction;
  • the optical assembly includes an optical lens 20 and a driving device 30, wherein the movable part of the optical assembly includes the focus carrier 321 of the driving device 30, and the fixed part of the optical assembly includes a housing. body 31 and base 34.
  • the optical lens 20 includes a first lens part 21 , a second lens part 22 and a third lens part 23 .
  • the relative positions of the first lens part 21 and the third lens part 23 are determined by the housing of the driving device 30 .
  • the body 31 and the base 34 respectively specify that the second lens part 22 is carried by the focus carrier 321 inside the driving device 30 and maintains a certain distance from the first lens part 21 and the third lens part 23 .
  • the step (d) in the assembly method of the optical component, assembling and calibrating the first lens part, the second lens part, and the third lens part includes:
  • the position of the first lens portion in the XY direction is corrected with the third lens portion and the second lens portion as a reference.
  • the relationship between these lens parts of the optical lens 20 is: (1) the gap in the Z direction mainly affects the field curvature of the optical lens 20; (2) the position in the XY direction mainly affects the optical lens The peak value is 20; (3) The tilt between each lens group mainly affects the tilt and astigmatism of the optical lens 20.
  • the assembly method of the first lens part 21 , the second lens part 22 and the third lens part 23 includes: first, calibrating the second lens part using the third lens part 23 as a reference. 21. Next, calibrate the Z-direction gap of the first lens part 21 based on the third lens part 23 and the second lens part 22. Again, use the third lens part 23 as a reference. The position of the second lens part 22 in the XY direction is corrected using the part 23 as a reference. Finally, the position of the first lens part 23 in the XY direction is corrected using the third lens part 23 and the second lens part 22 as a reference. Location.
  • the optical lens 20 when designing the optical lens 20 , it is necessary to consider the sensitivity of the overall optical performance of the optical lens 20 in a balanced manner, that is, it will not cause a specific lens or a specific lens part to be affected by these lens parts. Being too sensitive due to the influence of the relationship may easily lead to the problem that the overall optical performance of the optical lens 20 is degraded due to the high sensitivity of the lens or modified lens group.
  • the sensitivity of the second lens part 22 is higher than that of the third lens part 23
  • the sensitivity of the first lens part 21 is higher than the sensitivity of the second lens part 22 .
  • the number of the first lens groups 211 included in the first lens part 21 is multiple.
  • the number of the first lens group 212 is 5 pieces; the number of the second lens group 222 included in the second lens part 22 is at least one piece.
  • the number of the second lens group 222 is 1.
  • the number of the third lens portion 23 is multiple.
  • the number of the third lens group 232 is 2 pieces.
  • the second lens part 22 has a clamping part 2221 on the side, which integrally extends outward along the side of the second lens group 222.
  • the number of the clamping parts 2221 is multiple.
  • the number of the clamping parts 2221 is 2, which are symmetrically arranged along the second lens group 222 , and extends into the space of the escape groove 3122 formed by the housing 31, so that the position of the second lens group 222 can be adjusted through the space of the escape groove 3122 to meet the requirements of optical imaging.
  • the present invention further provides an assembly method of each lens part of the optical lens 20 and the driving device 30, wherein the assembly method includes the following steps:
  • (A) Provide the housing 31, wherein the housing 31 has a receiving space and a top opening 3121 and a bottom opening respectively connected to the receiving space;
  • the first lens part 21 is pre-fixed to the housing 31; secondly, the first lens part 21 and the second lens are calibrated. part 22 and the third lens part 23; again, the first lens part 21 and the housing 31 are fixed.
  • step (B) when the focusing part 32 of the driving device 30 is equipped with the second lens part 22, that is, when a single lens is used, the upper surface of the focusing carrier 321 is higher than the optical On the upper surface of the anti-shake part carrier 331, insert the second lens part 22 through the escape groove 313 reserved on the driving device housing 31, and insert the second lens part 22 through the space reserved in the escape groove 313.
  • the lens unit 22 is inserted into the focusing unit carrier 321 for pre-assembly.
  • the focusing part carrier 321 of the focusing part 32 of the driving device 50 surrounds the outside of the third lens part 23, so as to avoid the third lens part 23.
  • the position of the part 23 on the base is conducive to reserving the activity space of the second lens part 23, thereby ensuring the fixed connection of the third lens part 23, and conducive to reducing the height dimension of the optical lens 20, Thereby reducing the height dimension of the optical component.
  • the first lens part 21 and the third lens part 23 are fixedly connected to the driving device 30 through a fixing medium.
  • the fixing medium It can be glue or other viscous chemical substances; thirdly, moving the second lens part 22, that is, the second lens group 22 moves, wherein the direction of movement is a direction of multiple degrees of freedom, such as rotation in the X/Y/Z direction , pan and tilt, etc., wait for the second lens
  • the second lens part 22 During the movement of the second lens part 22 , adjustment is mainly made through the escape groove 3122 reserved on the drive device housing 31 , that is, a clamping device is provided at the position of the escape groove 3122 , and the clamping device Hold the second lens group 222 and adjust it in different directions.
  • the second lens group 222, the first lens part 21, and the third lens part 23 meet the required parameters for imaging, the second lens group can be adjusted. 222 to form an imaging optical lens 20 with the first lens part 21 and the third lens part 23 .
  • a horizontal mounting surface of the driving device housing 31 is provided, and the third lens portion 23 is fixed inside the third lens mounting hole 355 reserved in the driving device base 34, And fixed with the driving device base 34, the focusing part 32 and the optical anti-shake part 33 of the driving device 30 are again arranged on the upper surface of the third lens part 23, and the accommodation space 313 on the housing 31 is used to place them. It is accommodated inside the casing, and the opening 3121 on the casing is consistent with the light hole on the focusing part carrier 321 and the mounting hole of the third lens part 23, and then the second lens part 23 is held in place through the clamping device.
  • the lens part 22 and the first lens part 21 are pre-assembled respectively; that is, the second lens part 22 is photographed on the focusing part carrier 321 through the escape groove 3122 reserved on its motor housing 31, and the first lens part 21 is It is provided on the opening 3122 of the driving device housing 31, and each group of lenses is fixed after correction and imaging.
  • the second lens part 22 is installed in the carrier of the focusing part 32 , wherein the clamping part 2221 on the side of the second lens part 22 extends to the housing 31 Within the reserved avoidance slot 3122. Through the space reserved by the avoidance groove 3122, the position of the second lens part 22 is adjusted accordingly. When its position meets the imaging requirements, it is fixed to the focus part carrier 321 through dispensing and other processes. superior.
  • the assembly method of the optical lens 20 and the driving device 30 provided by this application is to fix the third lens part 23 with its optical axis as a reference, and synchronously adjust the positions of the first lens part 21 and the second lens part 22 according to the optical axis.
  • the assembly process can be simplified while ensuring the accuracy of the assembled optical components.

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Abstract

An optical assembly, comprising an optical lens (20) and a driving device (30), wherein the optical lens (20) is a split optical lens, and comprises a first lens portion (21), a second lens portion (22) and a third lens portion (23), the first lens portion (21), the second lens portion (22) and the third lens portion (23) being sequentially arranged in the direction of an optical axis; and the driving device (30) comprises a base (34), the base (34) comprises a base body (341), a peripheral region of the base body (341) extends downwards to form an annular structure, which serves as a supporting portion (343), and the lower surface of the base body (341) and an inner surface of the supporting portion (343) are provided with a mounting position for mounting the third lens portion (23).

Description

一种光学组件及其组装方法和摄像模组An optical component and its assembly method and camera module 技术领域Technical field
本申请涉及摄像模组技术领域,尤其涉及一种可进行光学防抖的内对焦的光学组件和摄像模组。本发明进一步涉及一种光学组件的组装方法。The present application relates to the technical field of camera modules, and in particular, to an optical component and camera module capable of performing optical image stabilization and internal focusing. The invention further relates to an assembly method of optical components.
背景技术Background technique
光学镜头是摄像模组的必要部件之一,其能够汇聚入射光线而使摄像模组成像。近年来,随着用户对于摄像模组的成像品质的要求越来越高,摄像模组的像素也在不断的提升,与此同时,为了提升摄像模组的成像质量,感光芯片的尺寸也相应的增加,因此对与其适配的光学镜头的设计要求也越来越高。现有的被配置于摄像模组的一体式光学镜头,其包括一个镜筒和被设置于该镜筒的多个镜片,由于一体式光学镜头的设计和组装方法的技术限制,导致配置有一体式光学镜头的摄像模组难以满足对于大芯片摄像模组小型化的要求,同时镜头总高较高,为了实现自动对焦功能,还需要在模组内预留一定的避让空间用于镜头进行对焦移动。The optical lens is one of the necessary components of the camera module, which can focus the incident light to image the camera module. In recent years, as users have higher and higher requirements for the imaging quality of camera modules, the pixels of camera modules have also been continuously improved. At the same time, in order to improve the imaging quality of camera modules, the size of the photosensitive chip has also increased accordingly. has increased, so the design requirements for the optical lenses adapted to it are also getting higher and higher. The existing integrated optical lens configured in the camera module includes a lens barrel and a plurality of lenses arranged in the lens barrel. Due to the technical limitations of the design and assembly method of the integrated optical lens, the integrated optical lens is configured with an integrated lens. Camera modules with conventional optical lenses cannot meet the requirements for miniaturization of large-chip camera modules. At the same time, the overall height of the lens is relatively high. In order to achieve the autofocus function, a certain amount of avoidance space needs to be reserved in the module for the lens to focus. move.
如何实现与大尺寸芯片适配的光学镜头的对焦和防抖,并同时保证其整体结构的小型化,仍是目前急需解决的技术问题。How to achieve focusing and anti-shake of an optical lens adapted to a large-size chip while ensuring the miniaturization of its overall structure is still an urgent technical problem that needs to be solved.
发明内容Contents of the invention
针对上述问题,本发明提供一种适用于大尺寸芯片内对焦的镜头驱动结构,在实现防抖功能的同时,可以解决现有一体式镜头方案中存在的部分或大部分的问题。In view of the above problems, the present invention provides a lens driving structure suitable for large-size chip in-chip focusing, which can solve some or most of the problems existing in the existing integrated lens solution while realizing the anti-shake function.
本发明提供一种适用于大像面的内对焦摄像模组光学组件,为了提升摄像模组的成像质量,感光芯片的尺寸随之增加,同时对于防抖和对焦的驱动力要求也增加,如何在提升摄像模组成像质量的同时,保证整体结构的小型化,是目前急需解决的问题之一。The present invention provides an internal focusing camera module optical component suitable for a large image surface. In order to improve the imaging quality of the camera module, the size of the photosensitive chip increases, and at the same time, the driving force requirements for anti-shake and focus also increase. How to Improving the imaging quality of the camera module while ensuring the miniaturization of the overall structure is one of the current urgent problems.
感光芯片的尺寸增加后,与其适配的光学镜头的尺寸也增加,同时光学镜头的重量也增加,在部分情况下,由于光学镜头过重可能导致驱动装置提供的驱动力不足以驱动其进行对焦和防抖。如果对驱动装置本身的结构进行改进使其提供较大的驱动力,则会使得驱动装置体积整体尺寸增加,不符合目前其发展小型化的趋势。As the size of the photosensitive chip increases, the size of the optical lens adapted to it also increases, and the weight of the optical lens also increases. In some cases, due to the excessive weight of the optical lens, the driving force provided by the driving device may not be enough to drive it to focus. and anti-shake. If the structure of the driving device itself is improved to provide greater driving force, the overall size of the driving device will be increased, which is not in line with the current trend of miniaturization.
基于上述存在的技术难点,通过将光学镜头分成多个镜头群组,使得驱动装置驱动其中的部分群组移动,实现大芯片成像过程中的对焦和防抖作用,在提升摄像模组成像质量的同时,兼顾整体结构的小型化。Based on the above-mentioned technical difficulties, by dividing the optical lens into multiple lens groups, the driving device drives some of the groups to move, achieving focusing and anti-shake effects in the large-chip imaging process, and improving the imaging quality of the camera module. At the same time, the miniaturization of the overall structure is taken into consideration.
本发明的一个目的在于提供一种光学组件和摄像模组,将整体光学镜头分为多个镜头群组,驱动其中的部分镜头部移动,在提升成像质量的同时,保证整体结构的小型化。One object of the present invention is to provide an optical assembly and camera module that divides the entire optical lens into multiple lens groups and drives some of the lens portions to move, thereby improving imaging quality while ensuring miniaturization of the overall structure.
本发明的另一个目的在于提供一种光学组件和摄像模组,给多群组光学镜头中的至少一个镜头部配置驱动装置。Another object of the present invention is to provide an optical assembly and a camera module, which are configured with a driving device for at least one lens part in a plurality of groups of optical lenses.
本发明的另一个目的在于提供一种光学组件和摄像模组,其光学镜头群组主要包括三个镜头部,使得第二镜头部可动,解决驱动力不足。Another object of the present invention is to provide an optical assembly and a camera module whose optical lens group mainly includes three lens parts so that the second lens part is movable and solves the problem of insufficient driving force.
本发明的另一个目的在于提供一种光学组件和摄像模组,使得第一镜头部和第三镜头部在固定安装时,第二镜头部之间被设置在第一镜头部和第三镜头部之间并保持一定的间隙, 预留出第二镜头部对焦的距离。Another object of the present invention is to provide an optical assembly and a camera module, so that when the first lens part and the third lens part are fixedly installed, the second lens part is disposed between the first lens part and the third lens part. and maintain a certain gap between them, Allow a distance for the second lens to focus.
本发明的另一个目的在于提供一种光学组件和摄像模组,第一镜头部和第三镜头部固定在驱动装置的固定部,第二镜头部被固定在驱动装置的可动部,驱动部分镜头实现防抖或对焦功能。Another object of the present invention is to provide an optical assembly and a camera module. The first lens part and the third lens part are fixed on the fixed part of the driving device. The second lens part is fixed on the movable part of the driving device. The driving part The lens implements anti-shake or focusing functions.
本发明的另一个目的在于提供一种光学组件和摄像模组,驱动装置的光学防抖部,驱动第二镜头部进行光学防抖,实现镜头群内的光学防抖。Another object of the present invention is to provide an optical component and a camera module that drive the optical anti-shake part of the device and drive the second lens part to perform optical anti-shake, thereby realizing optical anti-shake within the lens group.
本发明的另一个目的在于提供一种光学组件和摄像模组,驱动装置的对焦部,驱动第二镜头部进行对焦,实现镜头群内的对焦。Another object of the present invention is to provide an optical component and a camera module that drive the focusing part of the device and drive the second lens part to focus, thereby achieving focusing within the lens group.
本发明的另一个目的在于提供一种光学组件和摄像模组,其光学组件内对焦和防抖模块共用磁石对,可以充分的利用驱动装置内部的空间,实现整体结构的小型化。Another object of the present invention is to provide an optical assembly and a camera module in which the focusing and anti-shake modules in the optical assembly share a pair of magnets, which can fully utilize the space inside the driving device and achieve miniaturization of the overall structure.
本发明的另一目的在于提供一种光学组件和摄像模组,其光学组件内对焦和防抖模块共用磁石对,使得减少结构件,结构紧凑,降低光学组件的尺寸,从而实现小型化。Another object of the present invention is to provide an optical component and a camera module in which the focusing and anti-shake modules in the optical component share a pair of magnets, thereby reducing structural parts, making the structure compact, and reducing the size of the optical component, thereby achieving miniaturization.
本发明的另一目的在于提供一种光学组件和摄像模组,第二镜头部在壳体内移动,充分利用内部空间进行对焦和防抖,实现结构的合理配置,满足结构的小型化。Another object of the present invention is to provide an optical assembly and a camera module. The second lens part moves within the housing, making full use of the internal space for focusing and anti-shake, realizing a reasonable configuration of the structure and meeting the miniaturization of the structure.
本发明的另一目的在于提供一种光学组件和摄像模组,壳体为第一镜头部提供承靠面,为第二镜头部提供容纳空间,结构紧凑,从而实现Z方向上的尺寸减小。Another object of the present invention is to provide an optical assembly and camera module. The housing provides a supporting surface for the first lens part and a receiving space for the second lens part. The structure is compact, thereby achieving size reduction in the Z direction. .
本发明的另一目的在于提供一种光学组件和摄像模组,防抖部件被设置在底座上方,第三镜头部直接固定于底座,安装在底座下侧的安装位,实现Z方向上的尺寸减小。Another object of the present invention is to provide an optical assembly and a camera module. The anti-shake component is arranged above the base. The third lens part is directly fixed to the base and installed at the installation position on the lower side of the base to achieve the size in the Z direction. decrease.
本发明的另一个目的在于提供一种光学组件和摄像模组,其将第三镜头部固定在马达底座上,为第二镜头部的移动预留出活动空间,防止第二镜头部和驱动装置底座之间的撞击。Another object of the present invention is to provide an optical assembly and camera module, which fixes the third lens part on the motor base, reserves an movable space for the movement of the second lens part, and prevents the second lens part and the driving device from moving. Impact between bases.
本发明的另一个目的在于提供一种光学组件和摄像模组,在马达底座的下表面设置第三镜头部安装位,为第三镜头部提供充分的安装空间,保证第三镜头连接的稳定性。Another object of the present invention is to provide an optical assembly and a camera module. A third lens unit installation position is provided on the lower surface of the motor base to provide sufficient installation space for the third lens unit and ensure the stability of the third lens connection. .
本发明的另一个目的在于提供一种光学组件和摄像模组,驱动装置的底座内部注塑有线路结构。Another object of the present invention is to provide an optical assembly and a camera module, in which a circuit structure is injection-molded inside the base of the driving device.
本发明的另一个目的在于提供一种光学组件和摄像模组,其通过磁轭片在底座中内嵌注塑成型的方式,利用两个侧边相邻并连接来设置磁轭片,减小活动载体回复的阻力。Another object of the present invention is to provide an optical assembly and a camera module in which the yoke piece is injection molded in the base by inserting the yoke piece into the base, and the yoke piece is arranged by using two adjacent and connected sides to reduce movement. Resistance to carrier recovery.
本发明的另一个目的在于提供一种光学组件和摄像模组,其通过提供一种基于模塑基座形成的感光组件结构,将线路板和感光芯片接合处进行模塑,提供一种小型化的摄像模组。Another object of the present invention is to provide an optical component and a camera module, which provides a photosensitive component structure based on a molded base and molds the joint between the circuit board and the photosensitive chip to provide a miniaturized camera module.
本发明的其它优势和特点通过下述的详细说明得以充分体现并可通过所附权利要求中特地指出的手段和装置的组合得以实现。Other advantages and features of the invention will be fully apparent from the following detailed description, and may be realized by combinations of means and apparatus particularly pointed out in the appended claims.
依本发明的一个方面,本发明提供一光学组件,其包括:According to one aspect of the present invention, the present invention provides an optical component, which includes:
光学镜头,包括:Optical lenses, including:
沿光轴方向由物侧至像侧依次设置的第一镜头部、第二镜头部、第三镜头部,以及a first lens part, a second lens part, a third lens part arranged in sequence from the object side to the image side along the optical axis direction, and
驱动装置,所述第二镜头部被设置在所述驱动装置的内部,包括:A driving device, the second lens part is disposed inside the driving device, including:
光学防抖部,驱动所述第二镜头部沿垂直于所述光轴的方向移动;An optical anti-shake part drives the second lens part to move in a direction perpendicular to the optical axis;
底座,所述光学防抖部被可活动地保持于所述底座; a base, the optical anti-shake part is movably held on the base;
其中,所述底座下方具有一支撑部,所述第三镜头部被固定承靠于所述支撑部内。There is a support part below the base, and the third lens part is fixedly supported in the support part.
根据本发明的一实施例,所述底座包括底座主体,自所述底座主体的周缘区域向下延伸形成一环形结构,为所述支撑部,所述支撑部和所述底座主体形成一安装位,安装所述第三镜头部。According to an embodiment of the present invention, the base includes a base body, extending downward from the peripheral area of the base body to form an annular structure for the support portion, and the support portion and the base body form an installation position. , install the third lens unit.
根据本发明的一实施例,所述光学防抖部包括一光学防抖载体、至少一光学防抖线圈、至少一光学防抖磁石,所述光学防抖线圈设置在所述底座主体上,被设置在所述第三镜头部的上方,所述光学防抖磁石设置在所述光学防抖载体上,所述第二镜头部被设置在所述光学防抖载体内,所述光学防抖线圈与所述光学防抖磁石对应设置适于驱动所述第二镜头部沿垂直于所述光轴的方向移动。According to an embodiment of the present invention, the optical anti-shake part includes an optical anti-shake carrier, at least one optical anti-shake coil, and at least one optical anti-shake magnet. The optical anti-shake coil is disposed on the base body and is Disposed above the third lens part, the optical anti-shake magnet is disposed on the optical anti-shake carrier, the second lens part is disposed in the optical anti-shake carrier, and the optical anti-shake coil The optical anti-shake magnet is provided correspondingly and is adapted to drive the second lens part to move in a direction perpendicular to the optical axis.
根据本发明的一实施例,所述驱动装置还包括一导向支撑结构,所述光学防抖部由所述导向支撑结构可活动地保持于所述底座。According to an embodiment of the present invention, the driving device further includes a guide support structure, and the optical anti-shake part is movably held on the base by the guide support structure.
根据本发明的一实施例,所述导向支撑结构被设置在所述光学防抖载体与所述底座之间。According to an embodiment of the present invention, the guide support structure is provided between the optical anti-shake carrier and the base.
根据本发明的一实施例,所述驱动装置还包括一对焦部,所述对焦部被设置在所述光学防抖部的内部,驱动所述第二镜头部沿所述光轴的方向移动。According to an embodiment of the present invention, the driving device further includes a focusing part, which is disposed inside the optical anti-shake part and drives the second lens part to move in the direction of the optical axis.
根据本发明的一实施例,所述对焦部包括一对焦载体、至少一对焦线圈,所述对焦载体承载所述第二镜头部,位于所述光学防抖载体内,所述对焦线圈被设置在所述对焦载体上。According to an embodiment of the present invention, the focusing part includes a pair of focusing carriers and at least one pair of focusing coils. The focusing carrier carries the second lens part and is located in the optical anti-shake carrier. The focusing coil is disposed on on the focusing carrier.
根据本发明的一实施例,所述对焦线圈与所述光学防抖磁石相对应,适于驱动所述对焦载体沿所述光轴方向移动。According to an embodiment of the present invention, the focus coil corresponds to the optical anti-shake magnet and is adapted to drive the focus carrier to move along the optical axis direction.
根据本发明的一实施例,所述对焦部还可以包括至少一对焦磁石以及一框架,所述框架位于所述光学防抖载体内,所述对焦磁石被设置在所述框架上,与所述对焦线圈相对,适于驱动所述对焦载体沿所述光轴方向移动。According to an embodiment of the present invention, the focusing part may further include at least a pair of focusing magnets and a frame, the frame is located in the optical anti-shake carrier, the focusing magnet is disposed on the frame, and the The focusing coil is opposite and adapted to drive the focusing carrier to move along the optical axis direction.
依本发明的另一方面,本发明提供一光学组件,其包括:According to another aspect of the invention, the invention provides an optical component, which includes:
光学镜头,包括:Optical lenses, including:
沿光轴方向由物侧至像侧依次设置的第一镜头部、第二镜头部、第三镜头部,A first lens part, a second lens part, and a third lens part are arranged in sequence from the object side to the image side along the optical axis direction,
驱动装置,包括:Drive unit, including:
光学防抖部,所述光学防抖部驱动所述第二镜头部沿着垂直于光轴运动;An optical anti-shake part, the optical anti-shake part drives the second lens part to move perpendicular to the optical axis;
壳体,所述第一镜头部被固定承载在壳体的上方;A housing, the first lens part is fixedly carried above the housing;
底座,所述第三镜头部被固定承载在底座的下方,所述壳体被设置在所述底座的上方;A base, the third lens portion is fixedly carried below the base, and the housing is provided above the base;
所述第一镜头部、壳体和所述底座构成一容纳空间,所述光学防抖部被容纳在所述容纳空间内。The first lens part, the housing and the base form an accommodation space, and the optical anti-shake part is accommodated in the accommodation space.
根据本发明的一实施例,所述光学防抖部在所述容纳空间内沿着垂直于光轴运动。According to an embodiment of the present invention, the optical anti-shake part moves perpendicular to the optical axis in the accommodation space.
根据本发明的一实施例,所述光学防抖部包括一光学防抖载体,所述壳体与所述光学防抖载体之间的水平间隙大于所述光学防抖载体沿着垂直于光轴的水平方向移动的行程距离。According to an embodiment of the present invention, the optical anti-shake part includes an optical anti-shake carrier, and the horizontal gap between the housing and the optical anti-shake carrier is larger than the horizontal gap between the optical anti-shake carrier and the optical axis perpendicular to the optical axis. The distance traveled in the horizontal direction.
根据本发明的一实施例,所述光学防抖部包括至少一光学防抖线圈、至少一光学防抖 磁石,所述光学防抖线圈设置在所述底座主体上,所述光学防抖磁石设置在所述光学防抖载体上,所述光学防抖线圈与所述光学防抖磁石对应设置适于驱动所述第二镜头部沿着垂直于所述光轴的方向移动。According to an embodiment of the present invention, the optical anti-shake part includes at least one optical anti-shake coil, at least one optical anti-shake coil Magnet, the optical anti-shake coil is arranged on the base body, the optical anti-shake magnet is arranged on the optical anti-shake carrier, the optical anti-shake coil and the optical anti-shake magnet are arranged correspondingly and are suitable for driving The second lens portion moves in a direction perpendicular to the optical axis.
根据本发明的一实施例,所述驱动装置还包括一对焦部,所述对焦部驱动所述第二镜头部沿着所述光轴的方向移动。According to an embodiment of the present invention, the driving device further includes a focusing part, the focusing part drives the second lens part to move along the direction of the optical axis.
根据本发明的一实施例,所述对焦部在所述容纳空间沿着光轴运动。According to an embodiment of the present invention, the focusing part moves along the optical axis in the accommodation space.
根据本发明的一实施例,所述第一镜头部和所述第二镜头部在沿光轴的方向之间预留有第一间隙,所述第二镜头部与所述第三镜头部之间在沿光轴的方向预留有第二间隙,所述第一间隙和第二间隙适于所述第二镜头部在所述容纳空间内,在所述对焦部提供的对焦驱动力下沿着光轴向上或向下移动的过程中,不会与所述第一镜头部和所述第三镜头部发生碰撞。According to an embodiment of the present invention, a first gap is reserved between the first lens part and the second lens part in a direction along the optical axis, and there is a gap between the second lens part and the third lens part. A second gap is reserved in the direction along the optical axis. The first gap and the second gap are suitable for the second lens part to move along the edge under the focus driving force provided by the focusing part in the accommodation space. When the optical axis moves upward or downward, it will not collide with the first lens portion and the third lens portion.
根据本发明的一实施例,所述壳体包括一主体、承靠部,所述主体呈中空环形,靠近物侧的上端面向内延伸形成所述承靠部,所述承靠部的下端面、所述第一镜头部的底部构成所述容纳空间的上顶面,与所述对焦部的上移动端面构成所述第一间隙。According to an embodiment of the present invention, the housing includes a main body and a supporting portion. The main body is in the shape of a hollow ring. The upper end surface near the object side extends inward to form the supporting portion. The lower end surface of the supporting portion The bottom of the first lens part constitutes the upper top surface of the accommodation space, and the upper moving end surface of the focusing part forms the first gap.
根据本发明的一实施例,所述底座包括底座主体和支撑部,所述支撑部为自所述底座主体的周缘区域向下延伸形成的一环形结构,所述支撑部和所述底座主体形成一安装位,安装所述第三镜头部,所述底座主体的上端面、所述第三镜头部的顶部构成所述容纳空间的下底面,所述容纳空间的所述下底面与所述对焦部的下移动端面构成所述第二间隙。According to an embodiment of the present invention, the base includes a base body and a support portion. The support portion is an annular structure extending downward from a peripheral area of the base body. The support portion and the base body form a An installation position is used to install the third lens part. The upper end surface of the base body and the top of the third lens part constitute the lower bottom surface of the accommodation space. The lower bottom surface of the accommodation space is in contact with the focusing The lower moving end surface of the part constitutes the second gap.
依本发明的另一方面,本发明提供一光学组件,其包括:According to another aspect of the invention, the invention provides an optical component, which includes:
光学镜头,包括:Optical lenses, including:
沿光轴方向由物侧至像侧依次设置的第一镜头部、第二镜头部、第三镜头部,以及a first lens part, a second lens part, a third lens part arranged in sequence from the object side to the image side along the optical axis direction, and
驱动装置,包括:Drive unit, including:
光学防抖部,所述第二镜头部被设置在所述光学防抖部内部,An optical anti-shake part, the second lens part is disposed inside the optical anti-shake part,
其中,所述光学防抖部驱动所述第二镜头部,相对于所述第一镜头部和第三镜头部沿着垂直于光轴的方向移动。Wherein, the optical anti-shake part drives the second lens part to move in a direction perpendicular to the optical axis relative to the first lens part and the third lens part.
根据本发明的一实施例,所述光学防抖部包括一光学防抖载体、至少一光学防抖线圈、至少一光学防抖磁石,所述光学防抖磁石设置在所述光学防抖载体上,所述光学防抖线圈与所述光学防抖磁石对应设置适于驱动所述第二镜头部沿着垂直于所述光轴的方向移动。According to an embodiment of the present invention, the optical anti-shake part includes an optical anti-shake carrier, at least one optical anti-shake coil, and at least one optical anti-shake magnet, and the optical anti-shake magnet is disposed on the optical anti-shake carrier. , the optical anti-shake coil is arranged corresponding to the optical anti-shake magnet and is adapted to drive the second lens part to move in a direction perpendicular to the optical axis.
根据本发明的一实施例,其特征在于,所述驱动装置包括一壳体,所述第一镜头部被固定承载在所述壳体的上方。According to an embodiment of the present invention, the driving device includes a housing, and the first lens part is fixedly carried above the housing.
根据本发明的一实施例,所述壳体包括一主体、承靠部,所述主体呈中空环形,靠近物侧的上端面向内延伸形成所述承靠部,所述第一镜头部被固定承载在所述承靠部,所述第二镜头被设置在所述壳体内。According to an embodiment of the present invention, the housing includes a main body and a supporting portion. The main body is in the shape of a hollow ring. The upper end near the object side extends inward to form the supporting portion. The first lens portion is fixed. Bearing on the supporting part, the second lens is disposed in the housing.
根据本发明的一实施例,所述光学防抖部被设置在所述壳体内,所述光学防抖部在所述壳体内驱动所述第二镜头部相对于所述第一镜头部和第三镜头部沿着垂直于光轴的方向移动。According to an embodiment of the present invention, the optical anti-shake part is disposed in the housing, and the optical anti-shake part drives the second lens part relative to the first lens part and the third lens part in the housing. The three-lens lens section moves in a direction perpendicular to the optical axis.
根据本发明的一实施例,所述壳体与所述光学防抖载体之间的水平间隙大于所述光学 防抖载体沿垂直于光轴的水平方向移动的行程距离。According to an embodiment of the present invention, the horizontal gap between the housing and the optical anti-shake carrier is larger than the optical anti-shake carrier. The travel distance of the anti-shake carrier in the horizontal direction perpendicular to the optical axis.
根据本发明的一实施例,所述驱动装置包括一底座,所述第三镜头部被固定承载在所述底座的下方,所述壳体被固定在所述底座上。According to an embodiment of the present invention, the driving device includes a base, the third lens portion is fixedly carried below the base, and the housing is fixed on the base.
根据本发明的一实施例,所述底座包括底座主体,自所述底座主体的周缘区域向下延伸形成一环形结构,为所述支撑部,所述支撑部和所述底座主体形成一安装位,安装所述第三镜头部。According to an embodiment of the present invention, the base includes a base body, extending downward from the peripheral area of the base body to form an annular structure for the support portion, and the support portion and the base body form an installation position. , install the third lens unit.
根据本发明的一实施例,所述驱动装置还包括一导向支撑结构,所述光学防抖部由所述导向支撑结构可活动地保持于所述底座。According to an embodiment of the present invention, the driving device further includes a guide support structure, and the optical anti-shake part is movably held on the base by the guide support structure.
根据本发明的另一方面,本发明提供一摄像模组,其包括:According to another aspect of the present invention, the present invention provides a camera module, which includes:
感光组件;以及Photosensitive components; and
如前述任一所述的光学组件,其中,所述光学组件被安装于所述感光组件的上方,且保持于所述感光组件的光学路径上。The optical component as described in any one of the foregoing, wherein the optical component is installed above the photosensitive component and maintained on the optical path of the photosensitive component.
依本发明的一个方面,本发明提供一光学组件的组装方法,其包括:According to one aspect of the present invention, the present invention provides an assembly method of an optical component, which includes:
(a)提供一光学镜头,所述光学镜头包括沿光轴方向由物侧至像侧依次设置的第一镜头部、第二镜头部和第三镜头部;(a) Provide an optical lens, which includes a first lens part, a second lens part and a third lens part arranged in sequence from the object side to the image side along the optical axis direction;
(b)将所述第三镜头部与光学组件的固定部固定设置;(b) Fix the third lens part and the fixing part of the optical component;
(c)沿着所述第三镜头部的光轴将所述第一镜头部预定位;(c) prepositioning the first lens portion along the optical axis of the third lens portion;
(d)组装校准所述第一镜头部、所述第二镜头部以及所述第三镜头部以形成清晰成像的光学镜头;(d) Assembling and calibrating the first lens part, the second lens part and the third lens part to form an optical lens with clear imaging;
(e)固定所述第一镜头部于所述固定部,将所述第二镜头部固定于光学组件的可动部。(e) Fix the first lens part to the fixed part, and fix the second lens part to the movable part of the optical component.
其中,所述步骤(d)中,组装校准所述第一镜头部、所述第二镜头部、所述第三镜头部,包括:Wherein, in the step (d), assembling and calibrating the first lens part, the second lens part, and the third lens part includes:
以所述第三镜头部为基准,校准所述第二镜头部的Z方向的间隙;Calibrating the gap in the Z direction of the second lens part using the third lens part as a reference;
以所述第三镜头部和所述第二镜头部为基准,校正所述第一镜头部的XY方向的间隙;Using the third lens part and the second lens part as a reference, correct the gap in the XY direction of the first lens part;
以所述第三镜头部为基准,校正所述第二镜头部的XY方向的位置;Using the third lens portion as a reference, correct the position of the second lens portion in the XY direction;
以所述第三镜头部和所述第二镜头部为基准,校正所述第一镜头部的XY方向的位置。The position of the first lens portion in the XY direction is corrected with the third lens portion and the second lens portion as a reference.
其中,步骤(e)包括:Among them, step (e) includes:
固定所述第一镜头部与所述固定部;fixing the first lens part and the fixing part;
相对于固定连接的所述第一镜头部和所述第三镜头部,在多个自由度方向调整所述第二镜头部;Adjusting the second lens part in multiple degrees of freedom directions relative to the fixedly connected first lens part and the third lens part;
待所述第二镜头部与所述第一镜头部、所述第三镜头部形成的光学镜头可满足成像的要求时,将所述第二镜头部与所述可动部进行固定。When the optical lens formed by the second lens part, the first lens part, and the third lens part can meet the imaging requirements, the second lens part and the movable part are fixed.
其中,所述步骤(b)中,所述固定部包括一底座,所述底座包括底座主体和支撑部,自所述底座主体的周缘区域向下延伸形成一环形结构,为所述支撑部,所述支撑部和所述底座主体形成一安装位,所述第三镜头部被固定在所述安装位。 Wherein, in the step (b), the fixing part includes a base, the base includes a base body and a support part, and an annular structure is formed downwardly from the peripheral area of the base body, which is the support part, The support part and the base body form an installation position, and the third lens part is fixed at the installation position.
其中,所述固定部还包括一壳体,所述壳体包括一主体、承靠部,所述主体呈中空环形,靠近物侧的上端面向内延伸形成所述承靠部,Wherein, the fixing part also includes a shell, the shell includes a main body and a supporting part, the main body is hollow annular, and the upper end near the object side extends inward to form the supporting part,
其中,所述步骤(c)中,所述第一镜头部被预定组装在所述壳体上的所述承靠部,被保持在所述第二镜头部的上方。Wherein, in the step (c), the supporting portion of the first lens portion that is scheduled to be assembled on the housing is held above the second lens portion.
其中,所述可动部包括一光学防抖部,所述第二镜头部被预定组装于所述可动部,所述光学防抖部驱动所述第二镜头部,可相对于所述第一镜头部和第三镜头部沿着垂直于光轴的方向移动。Wherein, the movable part includes an optical anti-shake part, the second lens part is scheduled to be assembled to the movable part, the optical anti-shake part drives the second lens part and can be relative to the third lens part. The first lens part and the third lens part move in a direction perpendicular to the optical axis.
其中,所述主体和所述承靠部构成一容纳空间,所述第二镜头部被设置在所述容纳空间内,所述第二镜头部在所述容纳空间内沿着垂直于光轴运动。Wherein, the main body and the supporting part form a receiving space, the second lens part is arranged in the receiving space, and the second lens part moves perpendicular to the optical axis in the receiving space. .
其中,所述壳体的所述承靠部设置有避让槽,通过所述避让槽对所述第二镜头部进行夹持调整。Wherein, the supporting portion of the housing is provided with an escape groove, and the second lens portion is clamped and adjusted through the escape groove.
其中,所述第二镜片组包括一夹持部,所述夹持部沿着所述第二镜头部的侧边向外一体延伸,并延伸至所述壳体形成的避让槽的空间内,以通过所述避让槽夹持所述夹持部对所述第二镜头部的位置进行调整。Wherein, the second lens group includes a clamping part, the clamping part integrally extends outward along the side of the second lens part, and extends into the space of the escape groove formed by the housing, The position of the second lens part is adjusted by clamping the clamping part through the escape groove.
通过对随后的描述和附图的理解,本申请进一步的目的和优势将得以充分体现。Through an understanding of the following description and drawings, further objectives and advantages of the present application will be fully reflected.
本申请的这些和其他目的、特点和优势,通过下述的详细说明,附图和权利要求得以充分体现。These and other objects, features and advantages of the present application are fully demonstrated by the following detailed description, drawings and claims.
附图说明Description of drawings
通过结合附图对本申请实施例进行更详细的描述,本申请的上述以及其他目的、特征和优势将变得更加明显。附图用来提供对本申请实施例的进一步理解,并且构成说明书的一部分,与本申请实施例一起用于解释本申请,并不构成对本申请的限制。在附图中,相同的参考标号通常代表相同部件或步骤。The above and other objects, features and advantages of the present application will become more apparent through a more detailed description of the embodiments of the present application in conjunction with the accompanying drawings. The drawings are used to provide further understanding of the embodiments of the present application, and constitute a part of the specification. They are used to explain the present application together with the embodiments of the present application, and do not constitute a limitation of the present application. In the drawings, like reference numbers generally represent like components or steps.
图1示出了本申请中具有分体式光学镜头的光学组件的整体结构示图。Figure 1 shows an overall structural diagram of an optical assembly with a split optical lens in this application.
图2示出了本申请中具有分体式光学镜头的光学组件的截面示意图。Figure 2 shows a schematic cross-sectional view of an optical assembly with a split optical lens in this application.
图3示出了本申请中所述光学组件的立体爆炸图。Figure 3 shows a three-dimensional exploded view of the optical assembly described in this application.
图4示出了本申请中驱动装置上对焦部和光学防抖部的分解示意图。Figure 4 shows an exploded schematic diagram of the focusing part and the optical anti-shake part of the driving device in this application.
图5示出了本申请中驱动装置对焦部和光学防抖部组合的结构示意图。Figure 5 shows a schematic structural diagram of the combination of the focusing part and the optical anti-shake part of the driving device in this application.
图6示出了本申请中第三镜头安装于底座的结构示意图。Figure 6 shows a schematic structural diagram of the third lens installed on the base in this application.
图7示出了本申请中光学组件的光学防抖部和底座的分解示意图。Figure 7 shows an exploded schematic view of the optical anti-shake part and the base of the optical assembly in this application.
图8示出了本申请中驱动装置的底座结构的截面示意图。Figure 8 shows a schematic cross-sectional view of the base structure of the driving device in this application.
图9示出了本申请中设置有光学组件的摄像模组结构示意图。Figure 9 shows a schematic structural diagram of a camera module equipped with optical components in this application.
图10示出了本申请中设置有光学组件的摄像模组的截面图。Figure 10 shows a cross-sectional view of a camera module provided with optical components in this application.
图11示出了本申请中第二镜头部和驱动装置的分解示意图。Figure 11 shows an exploded schematic view of the second lens part and the driving device in this application.
图12示出本申请中第二镜头部和驱动装置组装后的剖视图。Figure 12 shows a cross-sectional view of the second lens part and the driving device in the present application after assembly.
具体实施方式Detailed ways
下面,将参考附图详细地描述根据本发明的示例实施例。显然,所描述的实施例仅仅是 本发明的一部分实施例,而不是本发明的全部实施例,应理解,本发明不受这里描述的示例实施例的限制。Hereinafter, exemplary embodiments according to the present invention will be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only Some embodiments of the present invention are not all embodiments of the present invention, and it should be understood that the present invention is not limited to the example embodiments described herein.
在本发明的描述中,需要说明的是,对于方位词,如有术语“中心”、“横向”、“纵向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示方位和位置关系为基于附图所示的方位或位置关系,仅是为了便于叙述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定方位构造和操作,不能理解为限制本发明的具体保护范围。In the description of the present invention, it should be noted that for directional words, such as the terms "center", "transverse", "longitudinal", "length", "width", "thickness", "upper", "lower" , "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise" ", etc. indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation or be in a specific orientation. The construction and operation should not be construed as limiting the specific protection scope of the present invention.
需要说明的是,本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象,而不必用于描述特定的顺序或先后次序。It should be noted that the terms "first", "second", etc. in the description and claims of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.
本申请的说明书和权利要求书中的术语“包括”和“具有”以及他们的任何变形,意图在于覆盖不排他的包含,例如,包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元,而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。The terms "comprising" and "having" and any variations thereof in the description and claims of this application are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or product that includes a series of steps or units. Apparatus are not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such processes, methods, products or devices.
在本发明的描述中,还需要说明的是,除非另有明确的规定和限定,术语“设置”、“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以是接触连接或通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, it should also be noted that, unless otherwise clearly stated and limited, the terms "set", "installation", "connected" and "connected" should be understood in a broad sense. For example, 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. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
示例性光学组件Example optical components
如图1至图8所示,根据本申请实施例的光学组件被阐明,其中,所述光学组件包括光学镜头20和驱动装置30。其中,所述光学镜头20为分体式光学镜头部,包括多个镜头部,所述多个镜头部被沿着光轴的方向设置,其中,所述光学镜头20的部分被设置于所述驱动装置30的内部,被所述驱动装置30保持和驱动。As shown in FIGS. 1 to 8 , an optical assembly according to an embodiment of the present application is illustrated, wherein the optical assembly includes an optical lens 20 and a driving device 30 . Wherein, the optical lens 20 is a split optical lens part, including a plurality of lens parts, the plurality of lens parts are arranged along the direction of the optical axis, wherein part of the optical lens 20 is arranged on the drive The inside of the device 30 is held and driven by the driving device 30 .
所述光学镜头包括第一镜头部21、第二镜头部22和第三镜头部23,所述第一镜头部21、第二镜头部22和第三镜头部23沿着光轴的方向由物侧至像侧被依次设置。其中,所述第一镜头部21被设置在所述驱动装置30的上侧,所述第二镜头部22被设置于所述驱动装置30的内部,所述第三镜头部23被设置在所述驱动装置30的下方,以允许光线依次穿过所述光学镜头20的所述第一镜头部21、所述第二镜头部22以及所述第三镜头部23。The optical lens includes a first lens part 21, a second lens part 22 and a third lens part 23. The first lens part 21, the second lens part 22 and the third lens part 23 are formed by the object along the direction of the optical axis. They are set sequentially from side to image side. Among them, the first lens part 21 is disposed on the upper side of the driving device 30 , the second lens part 22 is disposed inside the driving device 30 , and the third lens part 23 is disposed on the upper side of the driving device 30 . below the driving device 30 to allow light to pass through the first lens part 21 , the second lens part 22 and the third lens part 23 of the optical lens 20 in sequence.
其中,所述第一镜头部21包括第一镜筒211和安装于所述第一镜筒211内的至少第一镜片组212,所述第二镜头部22包括第二镜筒221和安装于所述第二镜筒221内的至少第二镜片组222,所述第三镜头部23包括第三镜筒231和安装于所述第三镜筒231内的至少第三镜片组232,所述第一镜片组212、所述第二镜片组222以及所述第三镜片组232相互配合以形成可成像光学系统。The first lens part 21 includes a first lens barrel 211 and at least a first lens group 212 installed in the first lens barrel 211 , and the second lens part 22 includes a second lens barrel 221 and a lens group 212 installed in the first lens barrel 211 . At least a second lens group 222 in the second lens barrel 221, the third lens portion 23 includes a third lens barrel 231 and at least a third lens group 232 installed in the third lens barrel 231, the The first lens group 212 , the second lens group 222 and the third lens group 232 cooperate with each other to form an imaging optical system.
本领域普通技术人员应知晓,对于由所述第一镜头部21和所述第二镜头部22以及第三镜头部23形成的可成像光学系统而言,在预定镜片组的数量范围内,所述可成像光学系统 的有效焦距与光学镜片组的数量成正比,其解像力也与光学镜片组数量正比。Those of ordinary skill in the art will know that for the imageable optical system formed by the first lens part 21, the second lens part 22 and the third lens part 23, within the number range of the predetermined lens group, the Imaging optical system The effective focal length is proportional to the number of optical lens groups, and its resolution is also proportional to the number of optical lens groups.
基于这样的技术要求,如果所述分体式镜头被实施为常规的驱动装置,即驱动装置驱动整体光学镜头进行对焦和防抖,由于各镜头群组之间具有固定的相对位置关系,则分体式镜头将具有相对较大的高度尺寸,进而导致驱动装置整体具有相对较大的高度尺寸,难以满足光学组件小型化的要求。Based on such technical requirements, if the split lens is implemented as a conventional driving device, that is, the driving device drives the overall optical lens for focusing and anti-shake, since each lens group has a fixed relative positional relationship, the split lens The lens will have a relatively large height, which will result in the overall driving device having a relatively large height, making it difficult to meet the requirements for miniaturization of optical components.
针对上述技术问题,在本申请实施例中,将所述分体式镜头20中的中间镜头部配置为在可动镜头,即,所述第二镜头部22相对于所述第一镜头部21、所述第三镜头部23的相对位置可发生调整,其中,所述第一镜头部21和所述第三镜头部23与所述驱动装置30的固定部分别固定,这样,在拍摄的过程中,所述分体式光学镜头的所述第二镜头部22被设置于所述驱动装置30的可动部,将所述第二镜头部22调整至预定位置以形成清晰的图像,在解决驱动装置30驱动整体光学镜头而驱动力不足的同时,满足光学组件小型化的设计要求。In view of the above technical problems, in the embodiment of the present application, the middle lens part in the split lens 20 is configured as a movable lens, that is, the second lens part 22 is relative to the first lens part 21 and The relative position of the third lens part 23 can be adjusted, wherein the first lens part 21 and the third lens part 23 are fixed to the fixed parts of the driving device 30 respectively, so that during the shooting process , the second lens part 22 of the split optical lens is provided on the movable part of the driving device 30, and the second lens part 22 is adjusted to a predetermined position to form a clear image. When solving the problem of the driving device 30 drives the overall optical lens but meets the design requirements for miniaturization of optical components while the driving force is insufficient.
所述第二镜头部22被设置于所述驱动装置30的内部并与所述驱动装置30的可动部连接,所述驱动装置30可被实施为提供所述第二镜头部22对焦驱动力和光学防抖驱动力,即,在所述可动部包括对焦部32和光学防抖部33,在一个实施例中,所述第二镜头部22被固定在所述驱动装置30的对焦部32的对焦载体321内,所述对焦部32被容纳于所述光学防抖部33的内部,所述对焦部32可随着所述光学防抖部33同步移动。所述第二镜头部22可被对焦部32驱动沿着光轴的方向移动,从而实现拍摄过程中的对焦作用;所述第二镜头部22可被光学防抖部33驱动沿着垂直于光轴的方向移动,从而实现拍摄过程中的防抖作用。The second lens part 22 is disposed inside the driving device 30 and connected to the movable part of the driving device 30 . The driving device 30 may be implemented to provide the focusing driving force of the second lens part 22 and optical anti-shake driving force, that is, the movable part includes a focusing part 32 and an optical anti-shake part 33. In one embodiment, the second lens part 22 is fixed on the focusing part of the driving device 30 In the focus carrier 321 of 32, the focus portion 32 is accommodated inside the optical anti-shake portion 33, and the focus portion 32 can move synchronously with the optical anti-shake portion 33. The second lens part 22 can be driven by the focusing part 32 to move along the direction of the optical axis, thereby achieving focusing during the shooting process; the second lens part 22 can be driven by the optical anti-shake part 33 along the direction perpendicular to the optical axis. The direction of the axis moves to achieve anti-shake effect during shooting.
在本申请实施例中,所述光学镜头20和所述驱动装置30的结构配置,使得所述驱动装置30可以驱动尺寸增大的光学镜头20移动以实现拍摄。其中,所述驱动装置30驱动所述第二镜头部22移动,所述第一镜头部21和所述第三镜头部23被分别固定于所述驱动装置30,所述第二镜头部22被固定于所述驱动装置30内部,使所述驱动装置30驱动光学镜头20的部分即所述第二镜头部22移动,从而实现用相对较小的驱动装置达到光学防抖和对焦作用,以解决摄像模组在大像面趋势下镜头整体高度大和驱动力不足的问题。In the embodiment of the present application, the structural configuration of the optical lens 20 and the driving device 30 is such that the driving device 30 can drive the optical lens 20 with an increased size to move to achieve shooting. Wherein, the driving device 30 drives the second lens part 22 to move, the first lens part 21 and the third lens part 23 are respectively fixed to the driving device 30, and the second lens part 22 is Fixed inside the driving device 30, the driving device 30 drives the part of the optical lens 20, that is, the second lens portion 22 to move, thereby achieving optical anti-shake and focusing functions with a relatively small driving device to solve the problem Under the trend of large image area in camera modules, the overall height of the lens is large and the driving force is insufficient.
基于上述结构,所述驱动装置30的固定部包括一外壳31和一底座34,所述外壳上具有一容纳空间313,所述第一镜头部21固定在所述外壳31的上表面,所述第三镜头部23被固定在所述底座34上,所述外壳31、所述第一镜头部21和所述第三镜头部23在三者之间形成一容置空间,所述第二镜头部22通过与驱动装置30上的对焦部32固定,被容纳于所述容置空间内,被设置于所述容置空间内,被设置为可在所述驱动装置30的驱动作用力下位移。所述第二镜头部22被设置为可在所述容置空间内运动,进一步的,所述第二镜头部22在所述可动空间内适于进行XYZ方向的运动。为方便说明,通过建立空间坐标系进一步说明其实现光学对焦和光学防抖的实施方式。定义所述光学系统光轴方向为Z轴方向(即,Z轴所设定的方向),垂直于所述光轴所在平面内的第一预设方向为X轴方向(即,X轴所设定的方向),垂直于光轴所在平面内的第二预设方向为Y轴方向(即,Y轴所设定的方向)。在本申请实施例中,X轴方向和Y轴方向相互垂直,Z轴方向垂直于X轴方向和Y轴方向所 在平面,换言之,X轴、Y轴和Z轴构成了三维立体直角坐标系。Based on the above structure, the fixed part of the driving device 30 includes a housing 31 and a base 34. The housing has a receiving space 313. The first lens part 21 is fixed on the upper surface of the housing 31. The third lens part 23 is fixed on the base 34 . The housing 31 , the first lens part 21 and the third lens part 23 form an accommodation space therebetween. The second lens part 23 is fixed on the base 34 . The part 22 is fixed to the focusing part 32 on the driving device 30, is accommodated in the accommodation space, is arranged in the accommodation space, and is configured to be displaceable under the driving force of the driving device 30. . The second lens part 22 is configured to be movable within the accommodation space. Furthermore, the second lens part 22 is adapted to move in the XYZ direction within the movable space. For convenience of explanation, the implementation of optical focusing and optical image stabilization is further explained by establishing a spatial coordinate system. The optical axis direction of the optical system is defined as the Z-axis direction (i.e., the direction set by the Z-axis), and the first preset direction perpendicular to the plane where the optical axis is located is the X-axis direction (i.e., the direction set by the X-axis direction), and the second preset direction perpendicular to the plane where the optical axis is located is the Y-axis direction (that is, the direction set by the Y-axis). In the embodiment of the present application, the X-axis direction and the Y-axis direction are perpendicular to each other, and the Z-axis direction is perpendicular to the X-axis direction and the Y-axis direction. In the plane, in other words, the X-axis, Y-axis and Z-axis constitute a three-dimensional rectangular coordinate system.
具体地,如图3至8所示,在本申请实施例中,所述驱动装置30包括一壳体31、一对焦部32、一光学防抖部33、一底座34,其中,所述第二镜头部22被设置在所述驱动装置30内部,所述对焦部32被配置为驱动所述第二镜头部22沿着光轴的方向移动以实现光学对焦,所述光学防抖部33被配置为驱动第二镜头部22沿着垂直于光轴的方向移动以实现光学防抖。Specifically, as shown in Figures 3 to 8, in the embodiment of the present application, the driving device 30 includes a housing 31, a focusing part 32, an optical anti-shake part 33, and a base 34, wherein the third The second lens part 22 is disposed inside the driving device 30 , the focusing part 32 is configured to drive the second lens part 22 to move along the direction of the optical axis to achieve optical focusing, and the optical anti-shake part 33 is It is configured to drive the second lens portion 22 to move in a direction perpendicular to the optical axis to achieve optical anti-shake.
在一些实施例中,所述对焦部32被容纳于所述光学防抖部33的内侧,所述第二镜头部22被设置于所述对焦部32,当所述光学防抖部33驱动所述第二镜头部22沿着垂直于光轴的方向移动时,带动所述对焦部32与所述第二镜头部22一同沿着垂直于光轴的方向移动,以实现拍摄过程中的防抖作用。In some embodiments, the focusing part 32 is accommodated inside the optical anti-shake part 33 , and the second lens part 22 is disposed on the focusing part 32 . When the optical anti-shake part 33 drives the When the second lens part 22 moves in a direction perpendicular to the optical axis, the focusing part 32 is driven to move in a direction perpendicular to the optical axis together with the second lens part 22 to achieve anti-shake during shooting. effect.
值得一提的是,所述对焦部32和所述光学防抖部33的位置关系在本发明的所述光学组件中不受限制。在另一些实施例中,所述光学防抖部33可位于所述对焦部32的内侧,当所述对焦部32驱动第二镜头部22沿着光轴的方向移动时,可同时带动所述光学防抖部33沿着光轴的方向移动,以实现拍摄过程中的对焦作用。It is worth mentioning that the positional relationship between the focusing part 32 and the optical anti-shake part 33 is not limited in the optical assembly of the present invention. In other embodiments, the optical anti-shake part 33 may be located inside the focusing part 32. When the focusing part 32 drives the second lens part 22 to move along the direction of the optical axis, it may simultaneously drive the second lens part 22 to move along the optical axis. The optical anti-shake part 33 moves along the direction of the optical axis to achieve focusing during the shooting process.
进一步地,如图3所示,所述驱动装置30的所述壳体31具有一主体311、承靠部312,所述壳体31的所述主体311呈中空环形,靠近物侧的上端面向内延伸形成所述承靠部312,用于承靠所述第一镜头部21。所述承靠部312具有至少一开口3121和至少一避让槽3122,所述开口3121与所述第一镜头部21对应,以使得光线经所述第一镜头部21进入,在沿开口3121的径向或沿光轴方向形成有所述避让槽3122,所述避让槽3122被设置于所述承靠面312与所述第一镜头部21之间。所述壳体31还具有一容纳空间313,所述壳体31的所述主体311与所述承靠部312构成所述容纳空间313,以将所述对焦部32和所述光学防抖部33容纳在其内部。Further, as shown in FIG. 3 , the housing 31 of the driving device 30 has a main body 311 and a supporting portion 312 . The main body 311 of the housing 31 is in the shape of a hollow ring, and the upper end close to the object side faces The supporting portion 312 extends inward and is used to support the first lens portion 21 . The supporting portion 312 has at least one opening 3121 and at least one escape groove 3122. The opening 3121 corresponds to the first lens portion 21, so that light enters through the first lens portion 21, and along the opening 3121 The relief groove 3122 is formed in the radial direction or along the optical axis direction, and the relief groove 3122 is provided between the supporting surface 312 and the first lens part 21 . The housing 31 also has an accommodating space 313. The main body 311 of the housing 31 and the supporting portion 312 constitute the accommodating space 313 to accommodate the focusing portion 32 and the optical anti-shake portion. 33 accommodated in its interior.
进一步地,在本申请实施例中,所述避让槽3122形成所述第二镜头部22的调整空间,以方便在后续的组装过程中对所述第二镜头部22的位置进行调整。在一个具体实施例中,所述避让槽313的数量可以为两个,其分别设置于所述第二镜头部22的两侧,且相对于所述第二镜头部22对称设置,所述避让槽313的数量也可以为四个,其围绕所述第二镜头部22等间距设置。Furthermore, in the embodiment of the present application, the escape groove 3122 forms an adjustment space for the second lens part 22 to facilitate adjustment of the position of the second lens part 22 during the subsequent assembly process. In a specific embodiment, the number of the escape grooves 313 may be two, which are respectively provided on both sides of the second lens part 22 and are arranged symmetrically with respect to the second lens part 22. The number of grooves 313 may also be four, which are arranged at equal intervals around the second lens portion 22 .
其中,所述避让槽3122的设计是为了便于工艺组装,即在组装光学组件时,组装设备从外侧夹取位于所述驱动装置30内的所述第二镜头部22,基于整个镜头光学成像系统的成像质量进行实时调整来进行组装,从而提高组装的精度、可靠性和效率。The design of the escape groove 3122 is to facilitate process assembly. That is, when assembling optical components, the assembly equipment clamps the second lens portion 22 located in the driving device 30 from the outside. Based on the entire lens optical imaging system The imaging quality is adjusted in real time for assembly, thereby improving the accuracy, reliability and efficiency of assembly.
在本申请的一个具体示例中,如图4至图5所示,所述对焦部32包括一对焦载体321、至少一对焦线圈322、至少一对焦磁石323、框架324以及一保持件325和对焦感测件326,其中,所述对焦载体321具有一承载外侧3211、对应于所述承载外侧的承载内侧3212以及一通光孔3213。所述通光孔3213位于所述对焦载体321的内部,所述第二镜头部22被设置在所述通光孔3213,被固定在于所述对焦载体321的承载内侧3212,所述对焦线圈322设置在所述对焦载体321的承载外侧3211上,所述对焦磁石323被设置在所述框架324上, 其与所述对焦线圈322的位置相对应。当所述对焦线圈322通电,与所述对焦磁石323发生相互作用力,使得所述对焦部32驱动所述第二镜头部22沿着光轴移动,用以实现对焦。In a specific example of this application, as shown in FIGS. 4 to 5 , the focusing part 32 includes a pair of focusing carriers 321 , at least a pair of focusing coils 322 , at least a pair of focusing magnets 323 , a frame 324 , a holder 325 and a focusing unit 324 . Sensing component 326, wherein the focus carrier 321 has a bearing outer side 3211, a bearing inner side 3212 corresponding to the bearing outer side, and a light hole 3213. The light hole 3213 is located inside the focus carrier 321 . The second lens part 22 is disposed in the light hole 3213 and is fixed on the inner side 3212 of the focus carrier 321 . The focus coil 322 is provided on the bearing outer side 3211 of the focus carrier 321, and the focus magnet 323 is provided on the frame 324, It corresponds to the position of the focus coil 322 . When the focus coil 322 is energized, an interaction force occurs with the focus magnet 323 , causing the focus part 32 to drive the second lens part 22 to move along the optical axis to achieve focusing.
更具体地,所述对焦载体321呈环形,所述第二镜头部22被设置在所述对焦载体321的所述承载内侧3212,所述对焦线圈322绕设于所述对焦载体321的承载外侧3211,所述对焦磁石323环绕设置在所述对焦线圈322的周围。所述框架324呈环形,位于所述第二镜头部22的外侧,其中,所述对焦磁石323可以为两个,所述对焦磁石323被相互对称的方式设置在所述框架324的相对两侧。More specifically, the focus carrier 321 is annular, the second lens portion 22 is disposed on the inside 3212 of the focus carrier 321 , and the focus coil 322 is wound around the outside of the focus carrier 321 . 3211, the focus magnet 323 is arranged around the focus coil 322. The frame 324 is annular and is located outside the second lens part 22 . There may be two focusing magnets 323 , and the focusing magnets 323 are arranged on opposite sides of the frame 324 in a symmetrical manner. .
在一些实施例中,所述对焦载体321的所述承载外侧3211形成一环形的绕线槽3214,其中,所述对焦线圈322绕设在所述对焦载体321的所述绕线槽3214,以保证所述对焦线圈322被固定设置在所述对焦载体321的所述承载外侧3211。In some embodiments, the bearing outer side 3211 of the focus carrier 321 forms an annular winding groove 3214, wherein the focus coil 322 is wound around the winding groove 3214 of the focus carrier 321, so as to It is ensured that the focus coil 322 is fixedly arranged on the bearing outer side 3211 of the focus carrier 321 .
在另一些实施例中,所述对焦载体321的所述承载外侧3211形成有多个凸起,用于环绕所述对焦线圈322,所述对焦线圈322以对称的方式设置在侧边。In other embodiments, a plurality of protrusions are formed on the outer side 3211 of the focus carrier 321 for surrounding the focus coil 322, and the focus coil 322 is symmetrically arranged on the side.
值得一提的是,所述对焦磁石323和所述框架324的装配方式在本发明的所述光学组件中不受限制,例如所述对焦磁石323可以被粘贴于所述框架324的内壁,以使所述对焦磁石323被固定地设置于所述框架324。在图1至图5示出的所述光学组件的具体的实施例中,所述框架324包括至少一嵌装槽3241,其中所述对焦磁石323被嵌装于所述框架324的所述嵌装槽3241,以固定地设置所述对焦磁石323于所述框架324的所述嵌装槽3241内部。It is worth mentioning that the assembly method of the focusing magnet 323 and the frame 324 is not limited in the optical assembly of the present invention. For example, the focusing magnet 323 can be pasted on the inner wall of the frame 324. The focusing magnet 323 is fixedly arranged on the frame 324 . In the specific embodiment of the optical assembly shown in FIGS. 1 to 5 , the frame 324 includes at least one embedded groove 3241 , wherein the focusing magnet 323 is embedded in the embedded groove of the frame 324 . The mounting groove 3241 is used to fix the focusing magnet 323 inside the embedded groove 3241 of the frame 324 .
在一些实施例中,所述第二镜筒211和所述对焦载体321可为同一个结构,所述第二镜片组222被直接固定在对焦载体321的内部,即所述第二镜片组222被直接设置在所述对焦载体321的所述承载内侧3212,直接形成所述第二镜头部22,所述第二镜片组222的数量可以是多个或一个。通过此种设计方式,所述第二镜片组222被直接固定在所述对焦载体321的内部形成所述第二镜头部22,除保证光学系统的完整性,还可以简化驱动组件的结构设计,实现整体结构的小型化。In some embodiments, the second lens barrel 211 and the focus carrier 321 may have the same structure, and the second lens group 222 is directly fixed inside the focus carrier 321 , that is, the second lens group 222 The second lens portion 22 is directly provided on the inner side 3212 of the focusing carrier 321 , and the number of the second lens group 222 may be multiple or one. Through this design method, the second lens group 222 is directly fixed inside the focus carrier 321 to form the second lens part 22. In addition to ensuring the integrity of the optical system, the structural design of the driving component can also be simplified. Achieve miniaturization of the overall structure.
进一步的,所述对焦部32还包括一保持件325,用于将所述对焦载体321可活动地保持于所述框架324。参考图4至图5,所述保持件325可以包括至少一弹性件,更具体地,所述保持件325包括上弹性件3251和下弹性件3252,其中,所述上弹性件3251被固定于所述对焦部32的上表面,所述上弹性件3251被固定于所述框架324的上表面,即,所述上弹性件3251被设置于所述第二镜头部22的入光侧,所述下弹性件3252被固定于所述对焦部32的下表面,所述下弹性件3252被固定于所述框架324的下表面,即,所述下弹性件3252被设置在所述第二镜头部22的出光侧。如此,所述上弹性件3251和所述下弹性件3252与所述对焦载体321相互配合以允许所述第二镜头部22悬浮地保持在所述框架324的内部。所述上弹性件3251和所述下弹性件3252整体呈薄片状,通过所述上弹性件3251和所述下弹性件3252的作用,将所述对焦载体321保持在所述框架324的内部,所述上、下弹性件不仅可以使得对焦载体321保持在所述框架324中,还可以利用其本身的弹性提供一种回复力,即当对焦载体321在驱动力的作用下沿着光轴带动第二镜头部22移动进行对焦后,所述保持件325可以利用其自身的弹力作用,使得所述对焦载体321回复到初始的位置。 Furthermore, the focusing part 32 further includes a holding member 325 for movably holding the focusing carrier 321 on the frame 324 . Referring to FIGS. 4 to 5 , the retaining member 325 may include at least one elastic member. More specifically, the retaining member 325 includes an upper elastic member 3251 and a lower elastic member 3252 , wherein the upper elastic member 3251 is fixed to The upper elastic member 3251 is fixed to the upper surface of the frame 324 on the upper surface of the focusing part 32 , that is, the upper elastic member 3251 is disposed on the light incident side of the second lens part 22 , so The lower elastic member 3252 is fixed to the lower surface of the focusing part 32, and the lower elastic member 3252 is fixed to the lower surface of the frame 324. That is, the lower elastic member 3252 is disposed on the second lens. The light exit side of the part 22. In this way, the upper elastic member 3251 and the lower elastic member 3252 cooperate with the focus carrier 321 to allow the second lens part 22 to be suspended inside the frame 324 . The upper elastic member 3251 and the lower elastic member 3252 are in the shape of a sheet as a whole. Through the action of the upper elastic member 3251 and the lower elastic member 3252, the focus carrier 321 is held inside the frame 324. The upper and lower elastic members can not only keep the focus carrier 321 in the frame 324, but also use their own elasticity to provide a restoring force, that is, when the focus carrier 321 is driven along the optical axis under the action of the driving force, After the second lens part 22 moves to focus, the retaining member 325 can use its own elasticity to cause the focusing carrier 321 to return to the original position.
进一步地,所述对焦部32还包括一对焦电路327,所述对焦电路327与所述框架324上的线路相互导通,以保证所述对焦部32的电路连接,其中,所述对焦电路326通过注塑的工艺形成在所述对焦载体321的内部,将所述对焦电路326的线路接口预留在所述对焦载体321的表面,使所述对焦线圈322通过所述对焦电路326与所述框架324电连接,从而形成所述对焦部32的工作电路,以保证所述对焦部32在通电后为所述第二镜头部22提供对焦驱动力。Further, the focusing part 32 also includes a pair of focusing circuits 327, and the focusing circuit 327 and the circuits on the frame 324 are connected to each other to ensure the circuit connection of the focusing part 32, wherein the focusing circuit 326 It is formed inside the focus carrier 321 through an injection molding process, and the circuit interface of the focus circuit 326 is reserved on the surface of the focus carrier 321 so that the focus coil 322 passes through the focus circuit 326 and the frame. 324 are electrically connected to form a working circuit of the focusing part 32 to ensure that the focusing part 32 provides focusing driving force for the second lens part 22 after being powered on.
值得一提的是,在本申请的实施例中,所述对焦部32还包括对焦感测件326,主要用于感测所述对焦载体321所处的位置,根据拍摄需求进行对焦以得到成像清晰的图片。其中,所述对焦感测件326包括I C控制器3261和位置感测器3262,所述I C控制器主要用于根据所述位置感测器3262所监测的位置信息,以控制所述对焦线圈322中的电流,包括电流的大小和方向,来调整所述对焦载体321所处的位置。It is worth mentioning that in the embodiment of the present application, the focusing part 32 also includes a focus sensor 326, which is mainly used to sense the position of the focus carrier 321 and focus according to the shooting requirements to obtain imaging. Clear picture. Among them, the focus sensor 326 includes an IC controller 3261 and a position sensor 3262. The IC controller is mainly used to control the focus according to the position information monitored by the position sensor 3262. The current in the coil 322, including the magnitude and direction of the current, is used to adjust the position of the focus carrier 321.
所述光学防抖部33包括一光学防抖载体331、至少一光学防抖线圈332、至少一光学防抖磁石333,所述光学防抖部33主要用于实现拍摄过程中的防抖作用,以驱动所述第二镜头部22沿着垂直于光轴的方向移动,具体的,本申请中的垂直于光轴的方向主要指X方向和Y方向。The optical anti-shake part 33 includes an optical anti-shake carrier 331, at least one optical anti-shake coil 332, and at least one optical anti-shake magnet 333. The optical anti-shake part 33 is mainly used to achieve anti-shake effect during shooting. The second lens portion 22 is driven to move in a direction perpendicular to the optical axis. Specifically, the direction perpendicular to the optical axis in this application mainly refers to the X direction and the Y direction.
在一些实施例中,所述对焦载体321被容纳于光学防抖载体331的内部,所述光学防抖载体331上具有所述光学防抖磁石333的安装位,所述光学防抖磁石333被固定在所述光学防抖载体331形成的安装位上。In some embodiments, the focus carrier 321 is accommodated inside an optical anti-shake carrier 331. The optical anti-shake carrier 331 has an installation position for the optical anti-shake magnet 333. The optical anti-shake magnet 333 is mounted on the optical anti-shake carrier 331. It is fixed on the installation position formed by the optical anti-shake carrier 331 .
在一些实施例中,所述光学防抖载体331呈方状环形,所述光学防抖磁石333可以为四个,被对称地设置在所述光学防抖载体331上,所述光学防抖线圈332被设置于所述光学防抖磁石333的下方,与所述光学防抖磁石333一一对应,用于提供光学防抖的驱动力。In some embodiments, the optical anti-shake carrier 331 is in the shape of a square ring. There may be four optical anti-shake magnets 333 , which are symmetrically arranged on the optical anti-shake carrier 331 . The optical anti-shake coil 332 is disposed below the optical anti-shake magnet 333, corresponds one-to-one with the optical anti-shake magnet 333, and is used to provide driving force for optical anti-shake.
所述光学防抖部33还包括至少一光学防抖感测件334,其主要用于感测所述光学防抖载体331所处的位置,其中,所述第二镜头部22被容纳于所述光学防抖载体331的内部,所述第二镜头部22随着所述光学防抖载体331的移动而移动,从而调整所述第二镜头部22在垂直于光轴的水平方向上的位置,以实现拍摄过程中的抖动矫正。The optical anti-shake part 33 also includes at least one optical anti-shake sensor 334, which is mainly used to sense the position of the optical anti-shake carrier 331, wherein the second lens part 22 is accommodated in the optical anti-shake carrier 331. Inside the optical anti-shake carrier 331, the second lens part 22 moves with the movement of the optical anti-shake carrier 331, thereby adjusting the position of the second lens part 22 in the horizontal direction perpendicular to the optical axis. , to achieve shake correction during shooting.
其中,所述光学防抖感测件334包括X方向感测器3341和Y方向感测器3342,所述X方向感测器3341和所述Y方向感测器3342用于监测所述光学防抖载体331所处的位置,以将其位置信息反馈给驱动装置控制中心,驱动装置控制中心根据反馈的位置信息,控制所述光学防抖线圈332中的电流,包括电流的大小和方向,以调整所述光学防抖载体331所处的位置。Wherein, the optical image stabilization sensor 334 includes an X direction sensor 3341 and a Y direction sensor 3342. The X direction sensor 3341 and the Y direction sensor 3342 are used to monitor the optical image stabilization. The position of the anti-shake carrier 331 is fed back to the driving device control center. The driving device control center controls the current in the optical anti-shake coil 332 according to the feedback position information, including the size and direction of the current. Adjust the position of the optical anti-shake carrier 331.
值得一提的是,在本申请的具体实施例中,所述对焦部32和所述光学防抖部33共用同一组磁石对,即所述的光学防抖磁石333和所述对焦磁石323为同一组磁石对,同时,所述对焦部32的框架324与所述光学防抖载体331为同一结构,即述对焦线圈322被设置在所述对焦载体321上,位于所述框架324内部,所述对焦磁石323被设置在所述框架324上,被实施为对焦和光学防抖的共用磁石,所述光学防抖线圈332被设置在与所述对焦磁石322相对应的位置上。并且,通过增大所述对焦部32和所述光学防抖部33的共用磁石的高度的 方式使得所述共用磁石同时配合所述对焦部32和所述光学防抖部33的其他部件以驱动所述第二镜头部22沿着光轴和垂直于光轴的方向移动。如此,使得减少结构件,结构紧凑,降低光学组件的尺寸,从而实现小型化。It is worth mentioning that in the specific embodiment of the present application, the focusing part 32 and the optical anti-shake part 33 share the same set of magnet pairs, that is, the optical anti-shake magnet 333 and the focusing magnet 323 are The same set of magnet pairs, and the frame 324 of the focusing part 32 and the optical anti-shake carrier 331 have the same structure, that is, the focus coil 322 is disposed on the focus carrier 321 and is located inside the frame 324. The focus magnet 323 is disposed on the frame 324 and is implemented as a common magnet for focusing and optical image stabilization. The optical image stabilization coil 332 is disposed at a position corresponding to the focus magnet 322 . Furthermore, by increasing the height of the common magnet of the focusing part 32 and the optical anti-shake part 33 The manner is such that the common magnet simultaneously cooperates with other components of the focusing part 32 and the optical anti-shake part 33 to drive the second lens part 22 to move along the optical axis and in a direction perpendicular to the optical axis. In this way, the structural parts are reduced, the structure is compact, and the size of the optical component is reduced, thereby achieving miniaturization.
通过对所述驱动装置30的合理设计,用于驱动所述第二镜头部22的对焦部32和用于驱动所述第二镜头部22的光学防抖部33共用部分驱动部件,以充分利用所述驱动装置30的内部空间,缩减所述光学组件的高度尺寸。Through reasonable design of the driving device 30 , the focusing unit 32 for driving the second lens unit 22 and the optical anti-shake unit 33 for driving the second lens unit 22 share some driving components to fully utilize the The internal space of the driving device 30 reduces the height dimension of the optical component.
在本申请的另一些实施例中,也可以通过其他方式使得所述对焦部32和所述光学防抖部33的共用磁石同时配合所述对焦部32和所述光学防抖部33的其他部件以驱动所述第二镜头部22移动,对此,并不为本申请所局限。In other embodiments of the present application, the common magnet of the focusing part 32 and the optical anti-shake part 33 can also be made to cooperate with other components of the focusing part 32 and the optical anti-shake part 33 in other ways. To drive the second lens part 22 to move, this application is not limited.
所述光学防抖线圈332位于与所述光学防抖磁石333对应的位置,在一些实施例中,所述光学防抖线圈332设置于所述光学防抖磁石333的下方,位于光学防抖载体331的下表面,所述光学防抖线圈332位于所述光学防抖磁石333的磁场内,当所述光学防抖线圈332通电时,为所述第二镜头部22提供充足的驱动力,实现大行程的防抖。The optical anti-shake coil 332 is located at a position corresponding to the optical anti-shake magnet 333. In some embodiments, the optical anti-shake coil 332 is disposed below the optical anti-shake magnet 333 and is located on the optical anti-shake carrier. On the lower surface of 331, the optical anti-shake coil 332 is located within the magnetic field of the optical anti-shake magnet 333. When the optical anti-shake coil 332 is powered on, sufficient driving force is provided for the second lens part 22 to achieve Long travel anti-shake.
为实现所述光学防抖部33在工作的过程中的电路导通,以保证为所述光学防抖载体331提供沿着X/Y方向移动的驱动力,所述光学防抖驱动部33还包括一光学防抖电路335,所述光学防抖电路335主要用于导通光学防抖线圈332,以及为光学防抖感测件334提供其工作过程中所需要的电流。In order to realize the circuit conduction of the optical anti-shake part 33 during operation and ensure that the optical anti-shake carrier 331 is provided with a driving force to move along the X/Y direction, the optical anti-shake driving part 33 also An optical anti-shake circuit 335 is included. The optical anti-shake circuit 335 is mainly used to conduct the optical anti-shake coil 332 and provide the optical anti-shake sensing element 334 with the current required during its operation.
参考图1至图8,为了使得所述驱动装置30和所述第三镜头部23的安装更为稳定,本申请还提供一种与所述第三镜头部23相适配的所述底座34,所述底座34包括底座主体341、设置于所述底座主体341的底座支柱342以及支撑部343。所述底座支柱342沿所述底座主体341的角落区域一体地向上延伸,使得所述底座支柱342与所述底座主体341的表面形成具有高低落差的安装面。所述底座支柱342的数量为至少两个,且优选地,所述底座支柱342相对称地设置于所述底座主体341,并与所述底座主体341固定。在本申请的具体实施例中,所述底座支柱342位于所述底座主体341的四个转角处,沿底座主体341的四角区域一体地向上延伸,且对称分布。Referring to FIGS. 1 to 8 , in order to make the installation of the driving device 30 and the third lens part 23 more stable, the present application also provides a base 34 adapted to the third lens part 23 , the base 34 includes a base body 341, a base pillar 342 provided on the base body 341, and a support portion 343. The base pillar 342 integrally extends upward along the corner area of the base body 341 , so that the base pillar 342 and the surface of the base body 341 form a mounting surface with a height difference. The number of the base pillars 342 is at least two, and preferably, the base pillars 342 are symmetrically arranged on the base body 341 and fixed to the base body 341 . In a specific embodiment of the present application, the base pillars 342 are located at the four corners of the base body 341 , extend upward integrally along the four corner areas of the base body 341 , and are symmetrically distributed.
所述底座34环绕于所述第三镜头部23,所述底座34的所述底座主体341的周缘区域向下延伸形成一环形结构,为所述支撑部343,所述支撑部343和所述底座主体341形成一安装位,用于安装所述第三镜头部23。具体地,所述底座主体341的下表面和所述支撑部343的内表面形成所述安装位,所述第三镜头部23的所述第三镜筒231承靠在所述底座34的所述安装位。The base 34 surrounds the third lens portion 23 . The peripheral area of the base body 341 of the base 34 extends downward to form an annular structure, which is the support portion 343 . The support portion 343 and the The base body 341 forms a mounting position for mounting the third lens portion 23 . Specifically, the lower surface of the base body 341 and the inner surface of the support part 343 form the installation position, and the third lens barrel 231 of the third lens part 23 rests on all parts of the base 34 Describe the installation location.
在一些实施例中,所述底座支柱342和所述支撑部343的具体形成方式并不为本申请所局限,所述底座支柱342和所述支撑部343可与所述底座主体341通过注塑工艺一体成型,也可在已成型的底座主体341上进一步通过注塑工艺成型。In some embodiments, the specific formation manner of the base pillar 342 and the support portion 343 is not limited by this application. The base pillar 342 and the support portion 343 can be formed with the base body 341 through an injection molding process. Integrated molding can also be further performed on the formed base body 341 through an injection molding process.
所述光学防抖线圈332被设置在所述底座34上,更具体地,所述光学防抖线圈332包括X方向防抖线圈和Y方向防抖线圈,设置在所述底座主体341上,与所述光学防抖磁石334相对。 The optical anti-shake coil 332 is disposed on the base 34. More specifically, the optical anti-shake coil 332 includes an X-direction anti-shake coil and a Y-direction anti-shake coil, which is disposed on the base body 341, and The optical anti-shake magnets 334 are opposite to each other.
其中,所述光学防抖线圈332被设置于所述底座34的上表面,在所述底座34的上表面沿着其通光孔的四周设置有器件安装位,其中,所述器件可为位置感测器、线圈或线路板,在本申请中,所述光学防抖线圈332被设置于所述底座34上,围绕着所述底座34的通光孔均匀设置,所述光学防抖线圈的数量可以为多个,在具体的实施例中,所述光学防抖线圈332可以为四个,与本申请中的光学防抖磁石333的数量一致。所述光学防抖线圈332与底座34固定后,其光学防抖线圈332上方的位置对应设置有光学防抖磁石333,其中,所述光学防抖磁石333固定设置在所述框架324上,其光学防抖磁石333固定安装后其形成的下表面与所述光学防抖线圈332形成的上表面平行。Wherein, the optical anti-shake coil 332 is disposed on the upper surface of the base 34, and device mounting positions are provided on the upper surface of the base 34 along the periphery of the light hole, wherein the device may be a position Sensor, coil or circuit board. In this application, the optical anti-shake coil 332 is disposed on the base 34 and is evenly arranged around the light hole of the base 34. The optical anti-shake coil 332 is The number may be multiple. In a specific embodiment, the number of optical anti-shake coils 332 may be four, which is consistent with the number of optical anti-shake magnets 333 in this application. After the optical anti-shake coil 332 is fixed to the base 34, an optical anti-shake magnet 333 is provided at a position above the optical anti-shake coil 332, wherein the optical anti-shake magnet 333 is fixedly provided on the frame 324. After the optical anti-shake magnet 333 is fixedly installed, its lower surface is parallel to the upper surface formed by the optical anti-shake coil 332 .
在另一些实施例中,所述第三镜头部23的所述第三镜筒231可以与所述底座34一体成型,即所述第三镜片组232被直接设置在所述底座34的所述安装位上。In other embodiments, the third lens barrel 231 of the third lens part 23 may be integrally formed with the base 34 , that is, the third lens group 232 is directly disposed on the base 34 . on the installation position.
在一些实施例中,所述第三镜头组23的所述第三镜片组232凸出于所述第三镜筒231,所述第三镜头组23固定于所述底座主体341后,所述第三镜头组23的顶部与所述底座34的上端面保持齐平,即在所述第二镜头组22和第三镜头组23之间预留出一定的间隙。在一些实施例中,所述底座34沿着其上表面底座延伸面,所述延伸面为水平面,所述延伸面可以用于安装所述驱动装置的壳体31,且所述壳体31也可作为第一镜头部21的安装承载面,所述底座延伸出的水平面与所述驱动装置壳体31之间水平接触,可以保证驱动结构安装的平整度。In some embodiments, the third lens group 232 of the third lens group 23 protrudes from the third lens barrel 231, and after the third lens group 23 is fixed to the base body 341, the The top of the third lens group 23 is flush with the upper end surface of the base 34 , that is, a certain gap is reserved between the second lens group 22 and the third lens group 23 . In some embodiments, the base 34 extends along its upper surface, and the extension surface is a horizontal plane. The extension surface can be used to install the housing 31 of the driving device, and the housing 31 is also It can be used as the installation bearing surface of the first lens part 21, and the horizontal surface extending from the base is in horizontal contact with the driving device housing 31, which can ensure the flatness of the installation of the driving structure.
同时,在所述底座34的所述底座主体341的上表面开设有光学防抖感测件安装槽3412,所述光学防抖感测件安装槽3412形成在所述底座34上,其通过内部凹陷的方式形成,并在底座34上形成槽状结构,以将所述光学防抖感测件334容纳在其中。且所述感测件334与内嵌在底座34内部的光学防抖电路335导通,以提供给所述光学防抖感测件334工作所需的电流。At the same time, an optical anti-shake sensor installation slot 3412 is provided on the upper surface of the base body 341 of the base 34. The optical anti-shake sensor installation slot 3412 is formed on the base 34 and passes through the interior. It is formed in a concave manner and forms a groove-like structure on the base 34 to accommodate the optical anti-shake sensing member 334 therein. And the sensing element 334 is connected to the optical anti-shake circuit 335 embedded in the base 34 to provide the current required for the operation of the optical anti-shake sensing element 334 .
所述光学防抖感测件安装槽3412包括X方向安装槽和Y方向安装槽,其分别位于所述底座主体341相邻的两个侧边,且所述光学防抖线圈332位于所述底座34的上表面,所述光学防抖线圈的332的数量为多个,在本申请中,所述光学防抖线圈332的数量可以为四个,其围绕通光孔分别设在所述底座34的上表面,所述光学防抖感测件334位于所述光学防抖线圈332的正中间,并与所述光学防抖磁石333的下表面的位置相对应,以随时监测所述光学防抖载体331所处的位置。The optical anti-shake sensor installation slot 3412 includes an X-direction installation slot and a Y-direction installation slot, which are respectively located on two adjacent sides of the base body 341, and the optical anti-shake coil 332 is located on the base. 34, the number of the optical anti-shake coils 332 is multiple. In this application, the number of the optical anti-shake coils 332 can be four, which are respectively provided on the base 34 around the light holes. The optical anti-shake sensor 334 is located in the middle of the optical anti-shake coil 332 and corresponds to the position of the lower surface of the optical anti-shake magnet 333 to monitor the optical anti-shake at any time. The location of carrier 331.
为了使得所述光学防抖部33更加平稳地在垂直于光轴的平面内移动,在一些实施例中,所述驱动装置30还进一步包括导向支撑结构35,用于提高在光学防抖过程中运动的稳定性。所述导向支撑结构35被设置在所述光学防抖载体331与所述底座34之间。更具体地,所述导向支撑结构35被设置在所述光学防抖载体331与所述底座主体341之间,使得所述光学防抖载体331相对于所述底座34移动的过程中,所述导向支撑结构35能够始终对所述光学防抖载体331起到支撑和导向的作用,使得所述光学防抖载体331能够平稳地移动。In order to make the optical anti-shake part 33 move more smoothly in a plane perpendicular to the optical axis, in some embodiments, the driving device 30 further includes a guide support structure 35 for improving the stability of the optical anti-shake process. Movement stability. The guide support structure 35 is provided between the optical anti-shake carrier 331 and the base 34 . More specifically, the guide support structure 35 is provided between the optical anti-shake carrier 331 and the base body 341, so that when the optical anti-shake carrier 331 moves relative to the base 34, the The guide support structure 35 can always support and guide the optical anti-shake carrier 331 so that the optical anti-shake carrier 331 can move smoothly.
所述导向支撑结构35设置在所述底座34与所述光学防抖载体331之间,使得所述底座34通过所述导向支撑结构35与所述光学防抖载体331之间始终保持可活动地接触。当所 述光学防抖线圈332通电后,所述光学防抖线圈332与所述光学防抖磁石333之间相互作用,驱动所述光学防抖载体331沿X轴方向和Y轴方向移动。The guide support structure 35 is disposed between the base 34 and the optical anti-shake carrier 331 , so that the base 34 always remains movably connected between the guide support structure 35 and the optical anti-shake carrier 331 . touch. In due place After the optical anti-shake coil 332 is energized, the optical anti-shake coil 332 interacts with the optical anti-shake magnet 333 to drive the optical anti-shake carrier 331 to move along the X-axis direction and the Y-axis direction.
参考图7的具体实施例中,所述导向支撑结构35被实施为具有轨道-滚珠结构的机构,所述导向支撑结构35包括设置于所述光学防抖载体331和所述底座34之间的轨道以及设置于轨道内的滚珠351。由于滚珠设置于限位区域内,滚珠的运动轨迹被限制在轨道内,滚珠可以按照预设的运动模式在限位区域内滑动或滚动,在减少所述光学防抖部33运动过程中摩擦力的同时,也可以保证所述光学防抖部33移动时的平行度。Referring to the specific embodiment of FIG. 7 , the guide support structure 35 is implemented as a mechanism with a track-ball structure. The guide support structure 35 includes an optical anti-shake carrier 331 and a base 34 . The track and the balls 351 arranged in the track. Since the ball is arranged in the limit area, the movement trajectory of the ball is limited in the track, and the ball can slide or roll in the limit area according to the preset movement mode, reducing friction during the movement of the optical anti-shake part 33 At the same time, the parallelism of the optical anti-shake part 33 when moving can also be ensured.
所述滚珠351包括至少两个,优选地,所述滚珠351为3个或以上,被设置在所述底座34的角落位置或侧边位置,所述光学防抖载体331的底部向下延伸或凹陷有第一限位区域3311,所述底座34的所述底座主体341向上延伸或凹陷有第二限位区域3411,所述第一限位区域3311和所述第二限位区域3411形成用于容纳所述滚珠351的容纳位,以将所述滚珠限制在两者形成的空间内,以辅助防抖载体331的移动。并且,在本申请实施例中,所述轨道的形状不为本申请所局限,其可被实施为“十”字型、矩形等。应可以理解,所述轨道的形状引导着所述光学防抖载体331带着所述第二镜头部22移动,在一些实施例中,所述限位区域实施为包含沿着X轴延伸和/或沿着Y轴延伸的轨道。The rolling balls 351 include at least two, preferably three or more rolling balls 351, which are arranged at the corners or side positions of the base 34, and the bottom of the optical anti-shake carrier 331 extends downward or A first limiting area 3311 is recessed, and the base body 341 of the base 34 extends upward or is recessed to have a second limiting area 3411. The first limiting area 3311 and the second limiting area 3411 form a The ball 351 is placed in a receiving position to limit the ball in the space formed by the ball 351 to assist the movement of the anti-shake carrier 331 . Moreover, in the embodiment of the present application, the shape of the track is not limited by the present application, and it can be implemented as a "cross" shape, a rectangle, etc. It should be understood that the shape of the track guides the optical anti-shake carrier 331 to move with the second lens part 22. In some embodiments, the limiting area is implemented to include extending along the X-axis and/or Or a track extending along the Y axis.
在一些实施例中,所述驱动装置30还进一步包括稳定件36,所述稳定件36可以为导磁构件361,所述导磁构件361被设置于所述底座34的所述底座主体341内,且位于所述光学防抖磁石333的正下方,所述导磁构件361可以为铁片,其与固定在所述光学防抖载体331上的所述光学防抖磁石333之间产生吸引力,以使得所述光学防抖部33和所述底座34之间保持相对稳定,以辅助所述光学防抖载体331的移动。In some embodiments, the driving device 30 further includes a stabilizing member 36 . The stabilizing member 36 may be a magnetic conductive member 361 . The magnetic conductive member 361 is disposed in the base body 341 of the base 34 , and is located directly below the optical anti-shake magnet 333. The magnetic conductive member 361 can be an iron piece, which generates an attractive force with the optical anti-shake magnet 333 fixed on the optical anti-shake carrier 331. , so that the optical anti-shake part 33 and the base 34 remain relatively stable to assist the movement of the optical anti-shake carrier 331 .
在一些实施例中,所述导磁构件361的数量为4个,所述光学防抖线圈332、所述光学防抖磁石333和所述导磁构件361的数量相一致,所述光学防抖磁石333沿所述光学防抖载体331的四个侧边设置。In some embodiments, the number of the magnetically permeable members 361 is 4, the number of the optical anti-shake coil 332, the optical anti-shake magnet 333 and the magnetic permeable member 361 are consistent. Magnets 333 are arranged along four sides of the optical anti-shake carrier 331 .
所述导磁构件361的形成方式并不为本申请所局限,在一些实施例中,所述导磁构件361通过嵌件注塑工艺一体成型于底座34的底座主体341,所述导磁构件361也可以通过粘胶的方式固定于所述底座34的底座主体341,以使得所述导磁构件361能够与所述磁石333相对。The formation method of the magnetic conductive member 361 is not limited by this application. In some embodiments, the magnetic conductive member 361 is integrally formed on the base body 341 of the base 34 through an insert injection molding process. The magnetic conductive member 361 It can also be fixed to the base body 341 of the base 34 by gluing, so that the magnetic conductive member 361 can face the magnet 333 .
所述驱动装置30还包括一电连接构件37,所述电连接构件37被设置于所述底座34,并电连接于所述保持件325,以便通过所述电连接构件37和所述保持件325为所述对焦线圈322和所述光学防抖线圈332提供工作电路连接。The driving device 30 further includes an electrical connection member 37. The electrical connection member 37 is disposed on the base 34 and is electrically connected to the holder 325, so that the electrical connection member 37 and the holder 325 can be connected to each other. 325 provides a working circuit connection for the focus coil 322 and the optical anti-shake coil 332 .
参考图1至图5的一个具体实施例中,所述电连接构件37包括上端部371、中部372和下端部373。所述上端部371、所述中部372和所述下端部373相互导通。Referring to a specific embodiment of FIGS. 1 to 5 , the electrical connection member 37 includes an upper end 371 , a middle portion 372 and a lower end 373 . The upper end portion 371 , the middle portion 372 and the lower end portion 373 are electrically connected to each other.
所述电连接构件37的中部372设置于所述底座主体341内,所述电连接构件37的上端部371自所述底座主体341沿着所述底座支柱342一体地向上延伸,所述电连接构件37的下端部373自所述底座主体341向下延伸,以与所述驱动装置30外部的电路元件实现电导通。所述电连接构件37的中部372包括多个电连接元件,所述电连接构件37的中部 372的多个电连接元件中的至少一个一体地向上延伸至所述底座支柱342的顶端,以形成所述电连接构件37的上端部371;所述电连接构件37的中部372的多个电连接元件中的至少一个一体地向下延伸出至所述底座34的所述支撑部343的底端,以形成所述电连接构件37的下端部373。The middle portion 372 of the electrical connection member 37 is disposed in the base body 341 , and the upper end 371 of the electrical connection member 37 integrally extends upward from the base body 341 along the base pillar 342 . The lower end 373 of the member 37 extends downward from the base body 341 to achieve electrical conduction with circuit components outside the driving device 30 . The middle portion 372 of the electrical connection member 37 includes a plurality of electrical connection elements. The middle portion 372 of the electrical connection member 37 At least one of the plurality of electrical connection elements 372 integrally extends upward to the top of the base support 342 to form the upper end 371 of the electrical connection member 37; At least one of the connecting elements integrally extends downwardly to the bottom end of the supporting portion 343 of the base 34 to form a lower end portion 373 of the electrical connecting member 37 .
所述电连接构件37的形成方式并不为本申请所局限,在本申请的一个具体实施例中,所述电连接构件37通过嵌件注塑工艺一体成型于底座34,也就是说,所述电连接构件37的中部372一体成型于所述底座主体341内,所述电连接构件37的上端部371一体成型于所述底座支柱342,所述电连接构件37的下端部373自底座主体341向下延伸,也可以是一体成型于所述支撑部343,并延伸至所述支撑部343的底部,裸露电接触点。在另一些实施例中,所述电连接构件37通过贴附的方式成型于底座主体341的表面,所述支撑部343的外周侧形成一软板结构,所述下端部373被设置在软板结构内,实现柔性电连接。The formation method of the electrical connection member 37 is not limited by this application. In a specific embodiment of the present application, the electrical connection member 37 is integrally formed on the base 34 through an insert injection molding process. That is to say, the electrical connection member 37 is integrally formed on the base 34 . The middle part 372 of the electrical connection member 37 is integrally formed in the base body 341 , the upper end 371 of the electrical connection member 37 is integrally formed in the base support 342 , and the lower end 373 of the electrical connection member 37 is formed from the base body 341 Extending downward, it may also be integrally formed on the support part 343 and extend to the bottom of the support part 343 to expose the electrical contact points. In other embodiments, the electrical connection member 37 is formed on the surface of the base body 341 by adhesion, the outer peripheral side of the support portion 343 forms a soft board structure, and the lower end portion 373 is disposed on the soft board. Within the structure, flexible electrical connections are achieved.
进一步地,所述电连接构件37的中部372包括用于对焦和防抖的电路。所述对焦线圈322通过所述上弹性件3251或所述下弹性件3252与所述电连接构件37的上端部371电连接,所述光学防抖线圈332与所述电连接构件37的中部372电连接,更具体地,所述对焦线圈322通过所述对焦电路327与所述上弹性件3251或所述下弹性件3252电连接,所述所述上弹性件3251或所述下弹性件3252与所述所述电连接构件37的中部372电连接,所述光学防抖线圈332与所述光学防抖电路335电连接,所述光学防抖电路335与所述电连接构件37的中部372电连接。Further, the middle portion 372 of the electrical connection member 37 includes circuits for focusing and anti-shake. The focus coil 322 is electrically connected to the upper end 371 of the electrical connection member 37 through the upper elastic member 3251 or the lower elastic member 3252, and the optical anti-shake coil 332 is connected to the middle portion 372 of the electrical connection member 37. Electrical connection, more specifically, the focus coil 322 is electrically connected to the upper elastic member 3251 or the lower elastic member 3252 through the focus circuit 327. The upper elastic member 3251 or the lower elastic member 3252 The optical anti-shake coil 332 is electrically connected to the middle part 372 of the electrical connection member 37 . The optical anti-shake circuit 335 is electrically connected to the middle part 372 of the electrical connection member 37 . Electrical connection.
具体地,用于导通所述对焦线圈332的所述上弹性件3251或所述下弹性件3252包括对焦弹性部分32511和防抖弹性部分32512,所述对焦弹性部分32511和所述防抖弹性部分32512在垂直于所述光轴的平面上延伸。所述对焦弹性部分32511位于所述防抖弹性部分32512的内周,所述对焦弹性部分32511的内侧延伸至和被固定于所述对焦载体321的上表面,所述对焦弹性部分32511的外侧延伸至和被固定于所述框架324的上表面,所述防抖弹性部分32512的内侧延伸至和被固定于所述框架324的上表面,所述防抖弹性部分32512的外侧延伸至和被固定于所述底座34的所述底座支座342的上表面。所述驱动装置30适于驱动所述对焦载体321相对于所述框架324沿着所述光轴所设定的方向进行移动以进行光学对焦,且所述驱动装置30适于驱动所述框架324以带动承载有所述光学镜头的对焦载体324在垂直于所述光轴的平面内进行移动以进行光学防抖。Specifically, the upper elastic member 3251 or the lower elastic member 3252 used to conduct the focusing coil 332 includes a focusing elastic part 32511 and an anti-shake elastic part 32512. The focusing elastic part 32511 and the anti-shake elastic part Portion 32512 extends in a plane perpendicular to the optical axis. The focusing elastic part 32511 is located on the inner periphery of the anti-shake elastic part 32512. The inner side of the focusing elastic part 32511 extends to and is fixed to the upper surface of the focusing carrier 321, and the outer side of the focusing elastic part 32511 extends to and is fixed to the upper surface of the frame 324, the inner side of the anti-shake elastic part 32512 extends to and is fixed to the upper surface of the frame 324, and the outer side of the anti-shake elastic part 32512 extends to and is fixed to on the upper surface of the base support 342 of the base 34 . The driving device 30 is suitable for driving the focus carrier 321 to move relative to the frame 324 along the direction set by the optical axis to perform optical focusing, and the driving device 30 is suitable for driving the frame 324 The focus carrier 324 carrying the optical lens is driven to move in a plane perpendicular to the optical axis to perform optical anti-shake.
当所述驱动装置30驱动所述对焦载体321沿所述光轴所设定的方向(即,所述Z轴方向)移动时,所述对焦弹性部分32511发生形变以积蓄弹性力;当所述驱动装置30停止驱动时,所述对焦弹性部分32511的弹性力得以释放,驱动所述对焦载体321回复至原始位置。当所述驱动装置30驱动所述框架324在垂直于所述光轴的平面内沿X轴方向和Y轴方向移动,所述防抖弹性部分32512发生形变以积蓄弹性力;当所述驱动装置30停止驱动,所述防抖弹性部分32511的弹性力得以释放,驱动所述框架324回复至原始位置。When the driving device 30 drives the focus carrier 321 to move along the direction set by the optical axis (ie, the Z-axis direction), the focus elastic part 32511 deforms to accumulate elastic force; when the When the driving device 30 stops driving, the elastic force of the focusing elastic part 32511 is released, driving the focusing carrier 321 to return to the original position. When the driving device 30 drives the frame 324 to move along the X-axis direction and the Y-axis direction in a plane perpendicular to the optical axis, the anti-shake elastic part 32512 deforms to accumulate elastic force; when the driving device 30 stops driving, the elastic force of the anti-shake elastic part 32511 is released, and the frame 324 is driven to return to the original position.
所述第二镜头部22被设置在所述驱动装置30内,在所述驱动装置30的驱动力下,所述第二镜头部22可以沿光轴移动实现对焦,也可以沿垂直于光轴的平面内移动实现光学防 抖,为实现更好的图像质量,在光学设计时,在具体实施例中,所述第二镜头部22的光学敏感度高于其他镜头部,其中,所述第二镜头部22包括光学区和结构区,其中,在一种具体实施例中,所述第二镜头部22的光学区边界与光轴的尺寸小于第一镜头部21的光学区与光轴的尺寸,所述第二镜头部22的光学区边界与光轴的尺寸小于第三镜头部23的光学区与光轴的尺寸。The second lens part 22 is disposed in the driving device 30. Under the driving force of the driving device 30, the second lens part 22 can move along the optical axis to achieve focusing, or can move along the optical axis perpendicular to the optical axis. In-plane movement to achieve optical protection In order to achieve better image quality, in the optical design, in a specific embodiment, the optical sensitivity of the second lens part 22 is higher than that of other lens parts, wherein the second lens part 22 includes an optical zone and structural area, wherein, in a specific embodiment, the size of the optical area boundary and the optical axis of the second lens part 22 is smaller than the size of the optical zone and the optical axis of the first lens part 21, and the second lens part 22 The size of the optical zone boundary and the optical axis of the lens portion 22 is smaller than the size of the optical zone and the optical axis of the third lens portion 23 .
所述第三镜头23被设置在所述底座34的安装位,其中,所述第三镜片组232的数量为多个,在本申请中,所述第三镜片组232的数量为3个以上。The third lens 23 is disposed at the installation position of the base 34, wherein the number of the third lens groups 232 is multiple. In this application, the number of the third lens groups 232 is more than 3. .
进一步地,所述第一镜头部21和所述第二镜头部22在沿光轴的方向之间预留有第一间隙,所述第二镜头部22与所述第三镜头部23之间在沿光轴的方向预留有第二间隙。Further, a first gap is reserved between the first lens part 21 and the second lens part 22 in the direction along the optical axis, and there is a gap between the second lens part 22 and the third lens part 23 A second gap is reserved in the direction along the optical axis.
更具体地,所述壳体31的所述承靠部312的下端面、所述第一镜头部21的底部构成所述容纳空间313的上顶面,所述对焦载体321的上端面与所述第二镜头部22的顶部构成所述可动部的上移动端面,所述容纳空间313的所述上顶面与所述可动部的所述上移动端面构成所述第一间隙。More specifically, the lower end surface of the supporting portion 312 of the housing 31 and the bottom of the first lens portion 21 constitute the upper top surface of the accommodation space 313 , and the upper end surface of the focus carrier 321 is in contact with the upper end surface of the focusing carrier 321 . The top of the second lens part 22 forms an upper moving end surface of the movable part, and the upper top surface of the accommodation space 313 and the upper moving end surface of the movable part form the first gap.
所述底座主体341的上端面、所述第三镜头部23的顶部构成所述容纳空间313的下底面,所述对焦载体321的下端面与所述第二镜头部22的底部构成可动部的所述下移动端面,所述容纳空间313的所述下底面与所述可动部的所述下移动端面构成所述第二间隙。The upper end surface of the base body 341 and the top of the third lens part 23 form the lower bottom surface of the accommodation space 313 , and the lower end surface of the focus carrier 321 and the bottom of the second lens part 22 form a movable part The lower moving end surface of the accommodation space 313 and the lower moving end surface of the movable part form the second gap.
所述第一间隙用于所述第二镜头部22沿着光轴向上移动,所述第二间隙用于所述第二镜头部22在沿光轴向下移动。The first gap is used for the second lens part 22 to move upward along the optical axis, and the second gap is used for the second lens part 22 to move downward along the optical axis.
所述壳体31的所述主体311构成所述容纳空间313的周侧面,所述光学防抖载体331的外周侧面与所述容纳空间313的周侧面构成所述第三间隙,所述第三间隙用于所述光学防抖载体331沿垂直于光轴方向水平移动。The main body 311 of the housing 31 constitutes the peripheral side of the accommodation space 313, and the outer peripheral side of the optical anti-shake carrier 331 and the peripheral side of the accommodation space 313 constitute the third gap. The gap is used for the optical anti-shake carrier 331 to move horizontally in a direction perpendicular to the optical axis.
所述光学防抖载体331的周侧面与所述底座支柱342构成所述第四间隙,所述第四间隙限定所述光学防抖载体331沿垂直于光轴水平移动的行程距离。The peripheral side of the optical anti-shake carrier 331 and the base pillar 342 form the fourth gap, and the fourth gap defines the horizontal movement distance of the optical anti-shake carrier 331 perpendicular to the optical axis.
所述第三间隙和所述第四间隙用于所述光学防抖载体331沿垂直于光轴的水平方向移动,即所述壳体31与所述光学防抖载体331之间的水平间隙大于所述光学防抖载体331沿垂直于光轴的水平方向移动的行程距离。The third gap and the fourth gap are used for the optical anti-shake carrier 331 to move in a horizontal direction perpendicular to the optical axis, that is, the horizontal gap between the housing 31 and the optical anti-shake carrier 331 is greater than The optical anti-shake carrier 331 moves in a horizontal direction perpendicular to the optical axis.
所述对焦部32、所述光学防抖部33以及所述第二镜头部22形成的可动部被收容于所述壳体31的所述容纳空间313内,在所述容纳空间313内,所述第二镜头部22在驱动力的作用下,沿光轴方向或者沿垂直于光轴的方向移动,以实现摄像模组的光学对焦和光学防抖功能。The movable part formed by the focusing part 32, the optical anti-shake part 33 and the second lens part 22 is accommodated in the accommodation space 313 of the housing 31. In the accommodation space 313, The second lens part 22 moves along the optical axis direction or in the direction perpendicular to the optical axis under the action of driving force to realize the optical focusing and optical anti-shake functions of the camera module.
所述壳体31为所述第一镜头部21提供一承靠面,将第一镜头部21保持在所述第二镜头部22的上方,另一方面,所述壳体31与所述底座34形成一容纳空间,限定所述对焦部32以及所述光学防抖机构33运动的行程空间。The housing 31 provides a supporting surface for the first lens part 21 to keep the first lens part 21 above the second lens part 22. On the other hand, the housing 31 and the base 34 forms an accommodation space that limits the movement space of the focusing portion 32 and the optical anti-shake mechanism 33 .
综上,基于本申请实施例的光学组件的具体结构被阐明,其中,所述光学组件通过驱动分体式光学镜头20的第二镜头部22移动,以解决驱动装置30驱动力不足和马达尺寸增大之间的矛盾。通过驱动第二镜头部22移动,将拍摄过程中的对焦和防抖利用一个驱动装置 30来实现,可以有效的利用驱动装置的内部空间,缩减整体光学组件的高度尺寸。In summary, the specific structure of the optical assembly based on the embodiment of the present application has been clarified, wherein the optical assembly drives the second lens part 22 of the split optical lens 20 to move to solve the problem of insufficient driving force of the driving device 30 and increase in motor size. Conflict between the big ones. By driving the second lens part 22 to move, one driving device is used for focusing and anti-shake during shooting. 30 is achieved, which can effectively utilize the internal space of the driving device and reduce the height size of the overall optical component.
实施例摄像模组Embodiment camera module
根据本发明的第二个方面,如图9至图10所示,所述光学组件结合于一感光组件40形成一摄像模组,所述感光组件40包括至少一线路板41、至少一感光芯片42以及一滤光元件43,所述感光芯片42安装并电连接于所述线路板41,所述滤光元件43被保持在所述感光芯片42的感光路径上。所述光学组件被保持于所述感光组件40的感光路径上,从而使得进入所述光学组件的光线经所述光学组件后到达所述感光组件40的所述感光芯片42,从而实现成像。According to a second aspect of the present invention, as shown in FIGS. 9 to 10 , the optical component is combined with a photosensitive component 40 to form a camera module. The photosensitive component 40 includes at least one circuit board 41 and at least one photosensitive chip. 42 and a filter element 43. The photosensitive chip 42 is installed and electrically connected to the circuit board 41. The filter element 43 is held on the photosensitive path of the photosensitive chip 42. The optical component is held on the photosensitive path of the photosensitive component 40, so that the light entering the optical component reaches the photosensitive chip 42 of the photosensitive component 40 after passing through the optical component, thereby achieving imaging.
所述线路板41可作为所述感光组件40的基板,用于承所述载感光组件40的其他部分。所述线路板41可具有第一表面411和与第一表面411相背的第二表面412,所述第一表面411朝向物侧,所述第二表面422背向物侧。所述线路板41包括线路板主体、连接带和连接器部分(其中,所述连接带和所述连接器部分图中未示出)。所述连接带部分连接于所述线路板主体和所述连接器部分之间,以实现所述线路板主体和所述连接器部分之间的电导通,所述连接器用于与外部设备进行连接。The circuit board 41 can be used as a substrate of the photosensitive component 40 to support other parts of the photosensitive component 40 . The circuit board 41 may have a first surface 411 and a second surface 412 opposite to the first surface 411. The first surface 411 faces the object side, and the second surface 422 faces away from the object side. The circuit board 41 includes a circuit board body, a connecting strap and a connector part (the connecting strap and the connector part are not shown in the figure). The connecting strap part is connected between the circuit board main body and the connector part to achieve electrical conduction between the circuit board main body and the connector part, and the connector is used to connect with external equipment. .
所述感光芯片42可为感光耦合元件(CCD)或互补性氧化金属半导体元件(COMS)。并且所述感光芯片42可包括位于中心的感光区域和围绕感光区域的非感光区域。所述感光芯片42的感光区域可接收经由包括所述第一镜头部件21、所述第二镜头部22和所述第三镜头部件23的光学系统的光线,并且具有与感光区域相对应的感光路径。The photosensitive chip 42 may be a photosensitive coupling device (CCD) or a complementary oxide metal semiconductor device (COMS). And the photosensitive chip 42 may include a photosensitive area in the center and a non-photosensitive area surrounding the photosensitive area. The photosensitive area of the photosensitive chip 42 can receive light passing through the optical system including the first lens part 21 , the second lens part 22 and the third lens part 23 , and has a photosensitive area corresponding to the photosensitive area. path.
所述感光芯片42可设置于所述线路板41的所述第一表面411。具体地,感光芯片42可贴装于所述线路板41的所述第一表面411的中心区域。The photosensitive chip 42 can be disposed on the first surface 411 of the circuit board 41 . Specifically, the photosensitive chip 42 can be mounted on the central area of the first surface 411 of the circuit board 41 .
所述感光芯片42电连接于所述线路板41的具体实施方式并不为本申请所局限。例如,所述感光芯片42可通过引线键合(打金线)、焊接、芯片倒装(Flip-Chip,FC)、再布线层(RDL,Redistribution Layer)等方式电连接于所述线路板41的线路板主体。示例性地,电连接可实施为引线键合。在感光芯片42贴装于所述线路板41后,通过打金线工艺使金线的一端连接所述感光芯片42,另一端连接所述线路板41。连接线还可为其他类型,例如银线、铜线等。The specific implementation manner in which the photosensitive chip 42 is electrically connected to the circuit board 41 is not limited by this application. For example, the photosensitive chip 42 can be electrically connected to the circuit board 41 through wire bonding (gold wire), welding, flip-chip (FC), redistribution layer (RDL), etc. The main body of the circuit board. By way of example, the electrical connection may be implemented as wire bonding. After the photosensitive chip 42 is mounted on the circuit board 41, one end of the gold wire is connected to the photosensitive chip 42 and the other end is connected to the circuit board 41 through a gold wire process. The connecting wire can also be of other types, such as silver wire, copper wire, etc.
在一些实施例中,所述线路板41具有容纳所述感光芯片42的安装槽,并且该安装槽的形状与所述感光芯片42的形状相对应。示例性地,安装槽的深度可等于所述线路板41的厚度。所述感光组件40还可以包括一加强板46,当所述感光芯片42的厚度小于或等于所述线路板41的厚度时,所述感光芯片42可完全地嵌入线路板41的安装槽中,并且还可在所述线路板41的所述第二表面411设置所述加强板46,例如钢板,用于增强所述线路板41的强度。In some embodiments, the circuit board 41 has a mounting groove for accommodating the photosensitive chip 42 , and the shape of the mounting groove corresponds to the shape of the photosensitive chip 42 . For example, the depth of the installation groove may be equal to the thickness of the circuit board 41 . The photosensitive component 40 may also include a reinforcing plate 46. When the thickness of the photosensitive chip 42 is less than or equal to the thickness of the circuit board 41, the photosensitive chip 42 can be completely embedded in the installation groove of the circuit board 41. In addition, the reinforcing plate 46 , such as a steel plate, can be provided on the second surface 411 of the circuit board 41 to enhance the strength of the circuit board 41 .
在另一些实施例中,安装槽的深度可小于所述线路板41的厚度,当所述感光芯片42嵌入至该安装槽时,所述感光芯片42可凸出于所述线路板41的第一表面411。同样地,还可在所述线路板41的第二表面412设置所述加强板46,例如钢板,用于增强所述线路板41 的强度。In other embodiments, the depth of the mounting groove may be smaller than the thickness of the circuit board 41 . When the photosensitive chip 42 is embedded in the mounting groove, the photosensitive chip 42 may protrude from the third side of the circuit board 41 . A surface 411. Similarly, the reinforcing plate 46 , such as a steel plate, can also be provided on the second surface 412 of the circuit board 41 to strengthen the circuit board 41 Strength of.
通过在所述线路板41上设置与所述感光芯片42配合的安装槽可整体上减小所述感光组件40的体积和重量,有利于对所述感光组件40降低其高度,实现其整体结构的小型化。By arranging a mounting slot on the circuit board 41 to cooperate with the photosensitive chip 42, the volume and weight of the photosensitive component 40 can be reduced as a whole, which is beneficial to lowering the height of the photosensitive component 40 and realizing its overall structure. of miniaturization.
所述滤光元件43被保持于所述感光芯片42的感光路径上,用于对进入所述感光芯片42的成像光线进行过滤。在一些实施例中,所述感光组件40还包括一支架44,用于支撑保持所述滤光元件43。所述滤光元件43被安装于所述支架44上,且对应于所述感光芯片42的至少部分感光区域,以被保持于所述感光芯片42的感光路径上。The filter element 43 is held on the photosensitive path of the photosensitive chip 42 and is used to filter the imaging light entering the photosensitive chip 42 . In some embodiments, the photosensitive component 40 further includes a bracket 44 for supporting and retaining the filter element 43 . The filter element 43 is installed on the bracket 44 and corresponds to at least part of the photosensitive area of the photosensitive chip 42 so as to be held on the photosensitive path of the photosensitive chip 42 .
所述支架44与所述线路板41的结合方式并不为本申请所局限。可以是所述支架44单独成型,以形成与所述线路板41相互独立的结构,所述滤光元件支架44通过黏着剂附着于所述线路板41上,可用于支撑其他部件。在另一些实施例中,所述滤光元件支架44与所述线路板41通过模塑工艺一体成型于所述线路板主体的预设位置。所述感光组件40还包括至少一电子元器件45,所述电子元器件45被设置在所述线路板41上,电连接于所述线路板41。所述电子元器件45可设置于所述线路板41的所述第一表面411,并与感光芯片42间隔设置。具体地,所述电子元器件45可贴装于所述线路板41的第一表面411的边缘区域,并且与所述感光芯片42间隔一定的距离。所述电子元器件45可例如被实施为电容、电阻、驱动器件等。The combination method of the bracket 44 and the circuit board 41 is not limited by this application. The bracket 44 can be molded separately to form a structure independent of the circuit board 41. The filter element bracket 44 is attached to the circuit board 41 through adhesive and can be used to support other components. In other embodiments, the filter element bracket 44 and the circuit board 41 are integrally formed at a preset position of the circuit board body through a molding process. The photosensitive component 40 further includes at least one electronic component 45 . The electronic component 45 is disposed on the circuit board 41 and is electrically connected to the circuit board 41 . The electronic component 45 may be disposed on the first surface 411 of the circuit board 41 and spaced apart from the photosensitive chip 42 . Specifically, the electronic component 45 can be mounted on the edge area of the first surface 411 of the circuit board 41 and be separated from the photosensitive chip 42 by a certain distance. The electronic component 45 may be implemented as a capacitor, a resistor, a driving device, etc., for example.
所述支架44设置于线路板41的第一表面411,并且具有阶梯式通光孔,阶梯式通光孔与所述感光芯片42的感光路径相对应。阶梯式通光孔可具有直径不同的至少两个腔体,并且最远离所述感光芯片42的腔体可为第一腔体。The bracket 44 is disposed on the first surface 411 of the circuit board 41 and has a stepped light hole corresponding to the photosensitive path of the photosensitive chip 42 . The stepped light hole may have at least two cavities with different diameters, and the cavity farthest from the photosensitive chip 42 may be the first cavity.
在一个实施方式中,所述支架44可具有平行于所述线路板41的所述第一表面411的顶面,并且阶梯式通光孔靠近所述感光芯片42的腔体可具有倾斜的内侧面。示例性地,所述支架44可设置于所述线路板41的所述第一表面41边缘区域,并且与所述感光芯片42不重叠。作为一种选择,所述支架44可设置于所述线路板41的所述第一表面411的边缘区域,并与所述感光芯片42的非感光区域重叠。In one embodiment, the bracket 44 may have a top surface parallel to the first surface 411 of the circuit board 41 , and the cavity of the stepped light hole close to the photosensitive chip 42 may have an inclined inner surface. side. For example, the bracket 44 can be disposed at the edge area of the first surface 41 of the circuit board 41 and does not overlap the photosensitive chip 42 . As an option, the bracket 44 may be disposed at an edge area of the first surface 411 of the circuit board 41 and overlap with the non-photosensitive area of the photosensitive chip 42 .
所述支架44通过模塑工艺将所述线路板41与所述感光芯片连接的连接线一体成型在其内部,在保护金线的同时可以取代传统的滤色元件支架,可以减轻摄像模组的重量的同时,还可以降低摄像模组的高度。The bracket 44 integrally molds the connection line between the circuit board 41 and the photosensitive chip inside the bracket 44 through a molding process. While protecting the gold wire, it can replace the traditional color filter element bracket and reduce the stress of the camera module. While reducing weight, it can also reduce the height of the camera module.
在一些实施例中,所述支架44包覆所述电子元器件45和连接线通过模塑工艺与所述线路板41形成整体。换言之,所述电子元器件45可被所述支架44封装于其内部。示例性地,所述支架44与线路板41所形成的整体还可包括所述感光芯片42的非感光区域。将所述电子元器件45封装于所述支架44和线路板41之间,可有效地保护电子元器件45。In some embodiments, the bracket 44 covers the electronic components 45 and the connecting wires and is integrally formed with the circuit board 41 through a molding process. In other words, the electronic component 45 can be packaged inside the bracket 44 . For example, the whole body formed by the bracket 44 and the circuit board 41 may also include a non-photosensitive area of the photosensitive chip 42 . Encapsulating the electronic component 45 between the bracket 44 and the circuit board 41 can effectively protect the electronic component 45 .
所述所述滤色元件43可设置于阶梯式通光孔的第一腔体内,并且所述滤色元件43在光轴上的厚度小于或者等于阶梯式通光孔的第一腔体在光轴上的高度,所述滤色元件43与所述感光芯片42之间形成间隔空间。当所述滤色元件43的厚度小于或者等于阶梯式通光孔的第一腔体在光轴上的高度时,可使所述滤色元件43与所述支架44的顶面处于一个平面,或者相对于所述支架44的顶面凹陷。这样有助于降低感光组件40的整体高度,从而降低摄像 模组的整体高度。此外,采用所述支架44支撑所述滤色元件43,可取消独立设置的所述滤色元件43的安装座,这样可整体上减小感光组件40的体积和重量,有利于对感光组件40的防抖控制精确度,并且使得形成的摄像模组实现整体结构的小型化。The color filter element 43 can be disposed in the first cavity of the stepped light aperture, and the thickness of the color filter element 43 on the optical axis is less than or equal to the thickness of the first cavity of the stepped light aperture in the optical axis. The height on the axis forms a space between the color filter element 43 and the photosensitive chip 42 . When the thickness of the color filter element 43 is less than or equal to the height of the first cavity of the stepped light aperture on the optical axis, the color filter element 43 and the top surface of the bracket 44 can be on the same plane, Or it may be recessed relative to the top surface of the bracket 44 . This helps to reduce the overall height of the photosensitive component 40, thereby reducing the The overall height of the module. In addition, by using the bracket 44 to support the color filter element 43, the independently installed mounting base of the color filter element 43 can be eliminated. This can reduce the overall volume and weight of the photosensitive component 40, which is beneficial to the photosensitive component 40. The anti-shake control accuracy is high, and the resulting camera module can achieve miniaturization of the overall structure.
本申请提供一种大芯片的摄像模组结构,如图10所示,所述摄像模组结构包括上述的模组壳体10、光学镜头20、驱动装置30和感光组件40,其中,所述光学镜头为分体式光学镜头,包括第一镜头部21、第二镜头部22、第三镜头部23,在光学系统成像的过程中,所述第一镜头部21和第三镜头部23的位置处于固定状态,而所述第二镜头部22处于可调整状态。The present application provides a large-chip camera module structure, as shown in Figure 10. The camera module structure includes the above-mentioned module housing 10, optical lens 20, driving device 30 and photosensitive component 40, wherein, the The optical lens is a split optical lens, including a first lens part 21, a second lens part 22, and a third lens part 23. During the imaging process of the optical system, the positions of the first lens part 21 and the third lens part 23 is in a fixed state, and the second lens part 22 is in an adjustable state.
进一步的,所述驱动装置30与所述第二镜头部22固定连接,并在所述驱动装置30的作用下,在工作过程中,所述第二镜头部22可沿着光轴的方向和垂直于光轴的方向移动,以实现拍摄过程中的对焦和防抖功能。Further, the driving device 30 is fixedly connected to the second lens part 22, and under the action of the driving device 30, during the working process, the second lens part 22 can move along the direction of the optical axis and Move perpendicular to the optical axis to achieve focus and anti-shake functions during shooting.
其中,所述摄像模组还包括一感光组件40,所述感光组件40设置于所述驱动装置30的正下方,且所述驱动装置30的光轴中心与所述感光组件40的中心一致,所述感光组件40主要接收通过所述光学系统的光线,以形成所拍摄的图像。The camera module further includes a photosensitive component 40. The photosensitive component 40 is disposed directly below the driving device 30, and the center of the optical axis of the driving device 30 is consistent with the center of the photosensitive component 40. The photosensitive component 40 mainly receives light passing through the optical system to form a captured image.
进一步的,所述感光组件40利用模塑工艺形成,将所述感光芯片42的非感光区和所述电子元器件45以及两者之间的连接线模塑在其形成的所述支架44内部,并在其上形成所述滤色元件43的安装座结构,利用设置在线路板41底部的加强板46来增加线路板的强度,以保证本方案中大芯片的平整度,在实现整体感光组件40高度降低的同时,保证整体结构的稳定性。Further, the photosensitive component 40 is formed using a molding process, and the non-photosensitive area of the photosensitive chip 42 and the electronic component 45 as well as the connection line between the two are molded inside the bracket 44 formed by it. , and form a mounting structure of the color filter element 43 on it, and use the reinforcing plate 46 provided at the bottom of the circuit board 41 to increase the strength of the circuit board to ensure the flatness of the large chip in this solution and achieve overall photosensitivity. While the height of the component 40 is reduced, the stability of the overall structure is ensured.
在一些实施例中,如图10所示,所述摄像模组还包括一模组壳体10,所述模组壳体10将上述的元件容纳在其与感光组件40形成的空间内部,所述模组壳体10的上表面具有开孔,所述开孔将所述第一镜头部21容纳在其中,且所述第一镜头部21的入光孔径与所述开孔的中心保持一致,所述模组壳体10的下表面与所述感光组件40的线路板边缘粘接固定,以更好的保护内部的元件,同时保证整体结构的稳定性。In some embodiments, as shown in Figure 10, the camera module further includes a module housing 10. The module housing 10 accommodates the above-mentioned components in the space formed by it and the photosensitive component 40, so The upper surface of the module housing 10 has an opening, the first lens part 21 is accommodated in the opening, and the light incident aperture of the first lens part 21 is consistent with the center of the opening. , the lower surface of the module housing 10 is bonded and fixed with the edge of the circuit board of the photosensitive component 40 to better protect the internal components and ensure the stability of the overall structure.
本申请提供的摄像模组结构,其内置的感光芯片42的尺寸可超过一英寸,可以更好的提升摄像模组的成像质量。同时利用光学镜头20内部对焦的技术方案即通过驱动其中部分镜头部移动以实现拍摄过程中的对焦和防抖功能,在保证整体结构小型化的同时,有利于提供一种大尺寸感光芯片的防抖和对焦方案。同时,利用驱动部分镜头实现拍摄和防抖,其他的镜头部在拍摄过程中保持固定作用,可以利用固定的部分镜头对可动的镜头部进行位置的实时校正,以得到较为精确的光学成像系统,同时保证简化组装工艺、提升组装的精度。In the camera module structure provided by this application, the size of the built-in photosensitive chip 42 can exceed one inch, which can better improve the image quality of the camera module. At the same time, the technical solution of using the internal focusing of the optical lens 20 is to drive part of the lens part to move to achieve the focusing and anti-shake functions during the shooting process. While ensuring the miniaturization of the overall structure, it is conducive to providing a large-size photosensitive chip anti-shake function. Shake and focus solutions. At the same time, some lenses are driven to achieve shooting and anti-shake, and other lens parts remain fixed during the shooting process. The fixed part lenses can be used to perform real-time position correction of the movable lens part to obtain a more accurate optical imaging system. , while ensuring simplified assembly processes and improved assembly accuracy.
特别的,相较于常规的配置有大芯片的摄像模组,本申请中提供的驱动分体式光学镜头中部分镜头群组移动以实现对焦和抖动矫正作用,可以解决增大马达驱动力和马达尺寸增加之间的矛盾,得到一种小型化的摄像模组结构。In particular, compared with conventional camera modules equipped with large chips, the drive provided in this application moves part of the lens group in the split optical lens to achieve focus and shake correction, which can solve the problem of increasing motor driving force and motor The contradiction between the increase in size results in a miniaturized camera module structure.
光学组件的组装方法How to assemble optical components
依本发明的另一个方面,本发明进一步提供一种光学组件即驱动装置和光学镜头的组 装方法,其中所述组装方法包括如下步骤:According to another aspect of the present invention, the present invention further provides an optical component, that is, a combination of a driving device and an optical lens. An assembly method, wherein the assembly method includes the following steps:
(a)提供一光学镜头20,所述光学镜头20包括沿光轴方向由物侧至像侧依次设置的第一镜头部21、第二镜头部22和第三镜头部23;(a) Provide an optical lens 20, which includes a first lens part 21, a second lens part 22 and a third lens part 23 arranged in sequence from the object side to the image side along the optical axis direction;
(b)将所述第三镜头部23与光学组件的固定部固定设置;(b) Fix the third lens part 23 to the fixing part of the optical component;
(c)沿着所述第三镜头部23的光轴将第一镜头部21预定位;(c) preposition the first lens part 21 along the optical axis of the third lens part 23;
(d)组装校准所述第一镜头部21、所述第二镜头部22和所述第三镜头部23以形成清晰成像的光学镜头20;(d) Assemble and calibrate the first lens part 21, the second lens part 22 and the third lens part 23 to form an optical lens 20 with clear imaging;
(e)固定所述第一镜头部21于所述固定部,将所述第二镜头部22固定于光学组件的可动部。(e) Fix the first lens part 21 to the fixed part, and fix the second lens part 22 to the movable part of the optical component.
在一个具体实施例中,所述光学组件包括一光学镜头20和一驱动装置30,其中,所述光学组件的可动部包括驱动装置30的对焦载体321,所述光学组件的固定部包括壳体31和底座34。所述光学镜头20包括第一镜头部21、第二镜头部22和第三镜头部23,所述第一镜头部21和所述第三镜头部23的相对位置由所述驱动装置30的壳体31和底座34分别规定,所述第二镜头部22由所述驱动装置30内部的对焦载体321所承载,并与所述第一镜头部21和第三镜头部23之间保持一定的距离。In a specific embodiment, the optical assembly includes an optical lens 20 and a driving device 30, wherein the movable part of the optical assembly includes the focus carrier 321 of the driving device 30, and the fixed part of the optical assembly includes a housing. body 31 and base 34. The optical lens 20 includes a first lens part 21 , a second lens part 22 and a third lens part 23 . The relative positions of the first lens part 21 and the third lens part 23 are determined by the housing of the driving device 30 . The body 31 and the base 34 respectively specify that the second lens part 22 is carried by the focus carrier 321 inside the driving device 30 and maintains a certain distance from the first lens part 21 and the third lens part 23 .
在一个具体实施例中,所述光学组件的组装方法中的所述步骤(d),组装校准所述第一镜头部、所述第二镜头部、所述第三镜头部,包括:In a specific embodiment, the step (d) in the assembly method of the optical component, assembling and calibrating the first lens part, the second lens part, and the third lens part includes:
以所述第三镜头部为基准,校准所述第二镜头部的Z方向的间隙;Calibrating the gap in the Z direction of the second lens part using the third lens part as a reference;
以所述第三镜头部和所述第二镜头部为基准,校正所述第一镜头部的Z方向的间隙;Using the third lens part and the second lens part as a reference, correct the gap in the Z direction of the first lens part;
以所述第三镜头部为基准,校正所述第二镜头部的XY方向的位置;Using the third lens portion as a reference, correct the position of the second lens portion in the XY direction;
以所述第三镜头部和所述第二镜头部为基准,校正所述第一镜头部的XY方向的位置。The position of the first lens portion in the XY direction is corrected with the third lens portion and the second lens portion as a reference.
值得一提的是,所述光学镜头20的这些镜头部的关系是:(1)Z方向的间隙主要影响所述光学镜头20的场曲;(2)XY方向的位置主要影响所述光学镜头20的峰值;(3)各镜头群组之间的倾斜主要影响所述光学镜头20的倾斜和像散等。It is worth mentioning that the relationship between these lens parts of the optical lens 20 is: (1) the gap in the Z direction mainly affects the field curvature of the optical lens 20; (2) the position in the XY direction mainly affects the optical lens The peak value is 20; (3) The tilt between each lens group mainly affects the tilt and astigmatism of the optical lens 20.
在一些实施例中,所述第一镜头部21、第二镜头部22以及第三镜头部23的组装方法包括:首先,以所述第三镜头部23为基准,校准所述第二镜头部21的Z方向的间隙,其次,以所述第三镜头部23和所述第二镜头部22为基准,校准所述第一镜头部21的Z方向的间隙,再次,以所述第三镜头部23为基准,校正所述第二镜头部22的XY方向的位置,最后,以所述第三镜头部23和所述第二镜头部22为基准,校正所述第一镜头部XY方向的位置。In some embodiments, the assembly method of the first lens part 21 , the second lens part 22 and the third lens part 23 includes: first, calibrating the second lens part using the third lens part 23 as a reference. 21. Next, calibrate the Z-direction gap of the first lens part 21 based on the third lens part 23 and the second lens part 22. Again, use the third lens part 23 as a reference. The position of the second lens part 22 in the XY direction is corrected using the part 23 as a reference. Finally, the position of the first lens part 23 in the XY direction is corrected using the third lens part 23 and the second lens part 22 as a reference. Location.
因此,在对所述光学镜头20进行光学设计时,需要均衡考虑所述光学镜头20的整体光学性能的敏感度,即不会导致某一具体镜片或者某一具体所述镜头部受到这些镜头部的关系的影响而过于敏感,易导致所述光学镜头20的整体光学性能因为该镜片或者改镜头群组敏感度较高而造成整体光学性能下降的问题。但是由于镜片的作用不同和光焦度不同,势必会存在敏感度从低到高的所述镜头群组,即,所述第二镜头部22的敏感度高于所述第三镜头部23的敏感度,所述第一镜头部21的敏感度高于所述第二镜头部22的敏感度。因此,在本发明的所述组装方法中,在校准这些镜头群组Z方向的间隙后,需要按照敏感度从低到 高依次校准这些所述镜头群组XY方向的位置,如此保证所述光学镜头20的整体光学性能。Therefore, when designing the optical lens 20 , it is necessary to consider the sensitivity of the overall optical performance of the optical lens 20 in a balanced manner, that is, it will not cause a specific lens or a specific lens part to be affected by these lens parts. Being too sensitive due to the influence of the relationship may easily lead to the problem that the overall optical performance of the optical lens 20 is degraded due to the high sensitivity of the lens or modified lens group. However, due to the different functions and optical powers of the lenses, there are bound to be lens groups with sensitivities ranging from low to high, that is, the sensitivity of the second lens part 22 is higher than that of the third lens part 23 The sensitivity of the first lens part 21 is higher than the sensitivity of the second lens part 22 . Therefore, in the assembly method of the present invention, after calibrating the gaps in the Z direction of these lens groups, it is necessary to adjust the sensitivity from low to The positions of these lens groups in the XY direction are calibrated sequentially to ensure the overall optical performance of the optical lens 20 .
其中,在本申请的光学镜头20中,为了便于工艺的组装,同时为了提升光学镜头的成像质量,所述第一镜头部21包括的第一镜片组211的数量为多个,在一个具体实施例中,第一镜片组212的数量为5片;所述第二镜头部22包括的第二镜片组222的数量为至少为一片,在一个具体实施例中,第二镜片组的数量为1片;所述第三镜头部23的数量为多个,在一个具体实施例中,第三镜片组232的数量为2片。Among them, in the optical lens 20 of the present application, in order to facilitate the assembly process and improve the imaging quality of the optical lens, the number of the first lens groups 211 included in the first lens part 21 is multiple. In a specific implementation In this example, the number of the first lens group 212 is 5 pieces; the number of the second lens group 222 included in the second lens part 22 is at least one piece. In a specific embodiment, the number of the second lens group 222 is 1. The number of the third lens portion 23 is multiple. In a specific embodiment, the number of the third lens group 232 is 2 pieces.
值得一提的是,为了便于对第二镜头部22进行调整,所述第二镜头部22侧边具有夹持部2221,其沿着第二镜片组222的侧边一体的向外延伸而形成,所述夹持部2221的数量为多个,在具体的实施例中,如图11所示,所述夹持部2221的数量为2个,其沿着所述第二镜片组222对称设置,并延伸至所述壳体31形成的避让槽3122的空间内,以通过此避让槽3122的空间对第二镜片组222的位置进行调整,使其满足光学成像的需求。It is worth mentioning that, in order to facilitate the adjustment of the second lens part 22, the second lens part 22 has a clamping part 2221 on the side, which integrally extends outward along the side of the second lens group 222. , the number of the clamping parts 2221 is multiple. In a specific embodiment, as shown in FIG. 11 , the number of the clamping parts 2221 is 2, which are symmetrically arranged along the second lens group 222 , and extends into the space of the escape groove 3122 formed by the housing 31, so that the position of the second lens group 222 can be adjusted through the space of the escape groove 3122 to meet the requirements of optical imaging.
依本发明的另一个方面,本发明进一步提供所述光学镜头20的各镜头部和驱动装置30的组装方法,其中所述组装方法包括如下步骤:According to another aspect of the present invention, the present invention further provides an assembly method of each lens part of the optical lens 20 and the driving device 30, wherein the assembly method includes the following steps:
(A)提供所述壳体31,其中所述壳体31具有容纳空间以及分别连通于所述容纳空间的顶部开口3121和底部开口;(A) Provide the housing 31, wherein the housing 31 has a receiving space and a top opening 3121 and a bottom opening respectively connected to the receiving space;
(B)经所述壳体31的所述底部开口设置组装有所述第二镜头部22的所述对焦部32和光学防抖部33于所述壳体31内,以允许所述第二镜头部22对应于所述壳体31的所述顶部开口3121的方式被可活动的保持于所述壳体31的所述容纳空间;以及(B) The focusing part 32 and the optical anti-shake part 33 assembled with the second lens part 22 are arranged in the housing 31 through the bottom opening of the housing 31 to allow the second The lens portion 22 is movably retained in the accommodation space of the housing 31 in a manner corresponding to the top opening 3121 of the housing 31; and
(C)经所述壳体31的所述底部开口固定地设置所述第三镜头部23于所述底座34上,和贴装于所述第一镜头部21于所述壳体31,以得到所述光学镜头20,其中所述第一镜头部21、所述第二镜头部22和所述第三镜头部23沿着所述光学镜头20的光轴依次布置。(C) Fix the third lens part 23 on the base 34 through the bottom opening of the housing 31, and attach the first lens part 21 to the housing 31, so as to The optical lens 20 is obtained, in which the first lens part 21 , the second lens part 22 and the third lens part 23 are sequentially arranged along the optical axis of the optical lens 20 .
在一个具体实施例中,在所述步骤(C)中,首先,预固定所述第一镜头部21于所述壳体31;其次,校准所述第一镜头部21、所述第二镜头部22、所述第三镜头部23;再次,固定所述第一镜头部21与所述壳体31。In a specific embodiment, in the step (C), first, the first lens part 21 is pre-fixed to the housing 31; secondly, the first lens part 21 and the second lens are calibrated. part 22 and the third lens part 23; again, the first lens part 21 and the housing 31 are fixed.
在一个具体实施例中,在所述步骤(B)中,所述驱动装置30的对焦部32设置第二镜头部22时即单镜片时,所述对焦载体321的上表面高出所述光学防抖部载体331的上表面,将所述第二镜头部22通过驱动装置壳体31上预留的避让槽313的位置插入,通过所述避让槽313预留的空间,将所述第二镜头部22插入到所述对焦部载体321上进行预组装。In a specific embodiment, in step (B), when the focusing part 32 of the driving device 30 is equipped with the second lens part 22, that is, when a single lens is used, the upper surface of the focusing carrier 321 is higher than the optical On the upper surface of the anti-shake part carrier 331, insert the second lens part 22 through the escape groove 313 reserved on the driving device housing 31, and insert the second lens part 22 through the space reserved in the escape groove 313. The lens unit 22 is inserted into the focusing unit carrier 321 for pre-assembly.
优选的,在所述步骤(C)中,所述驱动装置50的所述对焦部32的所述对焦部载体321环绕于所述第三镜头部23的外侧,如此能够避让所述第三镜头部23在底座上的位置,以有利于预留出所述第二镜头部23的活动空间,从而保证第三镜头部23固定连接的同时,以有利于降低所述光学镜头20的高度尺寸,从而降低所述光学组件的高度尺寸。Preferably, in the step (C), the focusing part carrier 321 of the focusing part 32 of the driving device 50 surrounds the outside of the third lens part 23, so as to avoid the third lens part 23. The position of the part 23 on the base is conducive to reserving the activity space of the second lens part 23, thereby ensuring the fixed connection of the third lens part 23, and conducive to reducing the height dimension of the optical lens 20, Thereby reducing the height dimension of the optical component.
根据上述的步骤对光学镜头20进行预组装,待进行光学系统可成像检测后,其中,所述第一镜头部21和第三镜头部23通过固定介质与驱动装置30固定连接,所述固定介质可以为胶水或者其他具有粘性的化学物质;再次,移动第二镜头部22即第二镜片组22移动,其中,所述移动的方向为多个自由度方向,如X/Y/Z方向的旋转、平移和倾斜等,待第二镜 片组222与所述第一镜头部21、所述第三镜头部23形成的光学镜头20可满足成像的要求时,可对第二镜片组222进行固定。Pre-assemble the optical lens 20 according to the above steps. After the optical system can be imaged and tested, the first lens part 21 and the third lens part 23 are fixedly connected to the driving device 30 through a fixing medium. The fixing medium It can be glue or other viscous chemical substances; thirdly, moving the second lens part 22, that is, the second lens group 22 moves, wherein the direction of movement is a direction of multiple degrees of freedom, such as rotation in the X/Y/Z direction , pan and tilt, etc., wait for the second lens When the optical lens 20 formed by the lens set 222 , the first lens part 21 and the third lens part 23 can meet imaging requirements, the second lens set 222 can be fixed.
在上述第二镜头部22移动的过程中,主要是通过驱动装置壳体31上预留的避让槽3122进行调整,即所述避让槽3122的位置设置可夹持装置,所述夹持装置夹持所述第二镜片组222沿着不同的方向调整,待第二镜片组222与所述第一镜头部21、所述第三镜头部23满足成像的需求参数时,可对第二镜片组222进行固定,使其与所述第一镜头部21、所述第三镜头部23形成可成像的光学镜头20。During the movement of the second lens part 22 , adjustment is mainly made through the escape groove 3122 reserved on the drive device housing 31 , that is, a clamping device is provided at the position of the escape groove 3122 , and the clamping device Hold the second lens group 222 and adjust it in different directions. When the second lens group 222, the first lens part 21, and the third lens part 23 meet the required parameters for imaging, the second lens group can be adjusted. 222 to form an imaging optical lens 20 with the first lens part 21 and the third lens part 23 .
进一步在,在所述驱动装置底座34的上表面,设置有驱动装置壳体31的水平安装面,所述第三镜头部23固定在驱动装置底座34预留的第三镜头安装孔355内部,并与所述驱动装置底座34进行固定,再次将驱动装置30的对焦部32和光学防抖部33设置在所述第三镜头部23的上表面,利用壳体31上的容纳空间313将其容纳在壳体内部,且所述壳体上的开口3121、与所述对焦部载体321上的通光孔和所述第三镜头部23的安装孔保持一致,再通过夹持装置将第二镜头部22和第一镜头部21分别进行预组装;即第二镜头部22通过其马达壳体31上预留的避让槽3122被摄于对焦部载体321上,所述第一镜头部21被设置于所述驱动装置壳体31的开口3122上,待校正可成像后对各群组镜头进行固定。Further, on the upper surface of the driving device base 34, a horizontal mounting surface of the driving device housing 31 is provided, and the third lens portion 23 is fixed inside the third lens mounting hole 355 reserved in the driving device base 34, And fixed with the driving device base 34, the focusing part 32 and the optical anti-shake part 33 of the driving device 30 are again arranged on the upper surface of the third lens part 23, and the accommodation space 313 on the housing 31 is used to place them. It is accommodated inside the casing, and the opening 3121 on the casing is consistent with the light hole on the focusing part carrier 321 and the mounting hole of the third lens part 23, and then the second lens part 23 is held in place through the clamping device. The lens part 22 and the first lens part 21 are pre-assembled respectively; that is, the second lens part 22 is photographed on the focusing part carrier 321 through the escape groove 3122 reserved on its motor housing 31, and the first lens part 21 is It is provided on the opening 3122 of the driving device housing 31, and each group of lenses is fixed after correction and imaging.
进一步的,如图12所示,所述第二镜头部22安装在所述对焦部32的载体中,其中,第二镜头部22侧边上的夹持部2221延伸至所述壳体31上预留的避让槽3122之内。通过所述避让槽3122预留的空间,对所述第二镜头部22的位置进行相应的调整,待其位置满足成像的需求时,通过点胶等工艺使其固定在所述对焦部载体321上。Further, as shown in FIG. 12 , the second lens part 22 is installed in the carrier of the focusing part 32 , wherein the clamping part 2221 on the side of the second lens part 22 extends to the housing 31 Within the reserved avoidance slot 3122. Through the space reserved by the avoidance groove 3122, the position of the second lens part 22 is adjusted accordingly. When its position meets the imaging requirements, it is fixed to the focus part carrier 321 through dispensing and other processes. superior.
本申请提供的光学镜头20和驱动装置30的组装方法,通过以固定第三镜头部23以其光轴为基准,同步调整第一镜头部21和第二镜头部22的所处位置,根据光学镜头敏感度的影响,先固定敏感度较高的第一镜头部21与驱动装置30的壳体31上,其次再调整次敏感度的第二光学镜头部22的位置,最后所述第二镜头部22可清晰成像后将其固定在驱动装置30的对焦载体321上,最后形成组装形成本申请中所述的光学组件。通过此种组装方法,可在简化组装工艺流程的同时,保证其组装成的光学组件的精确度。The assembly method of the optical lens 20 and the driving device 30 provided by this application is to fix the third lens part 23 with its optical axis as a reference, and synchronously adjust the positions of the first lens part 21 and the second lens part 22 according to the optical axis. To determine the influence of lens sensitivity, first fix the first lens part 21 with higher sensitivity and the housing 31 of the driving device 30, then adjust the position of the second optical lens part 22 with less sensitivity, and finally the second lens After the part 22 can clearly image, it is fixed on the focus carrier 321 of the driving device 30, and finally assembled to form the optical assembly described in this application. Through this assembly method, the assembly process can be simplified while ensuring the accuracy of the assembled optical components.
以上描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是本发明的原理,在不脱离本发明精神和范围的前提下本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明的范围内。本发明要求的保护范围由所附的权利要求书及其等同物界定。 The basic principles, main features and advantages of the present invention are described above. Those skilled in the industry should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and descriptions is only the principle of the present invention. The present invention may also have various modifications without departing from the spirit and scope of the present invention. changes and improvements that fall within the scope of the claimed invention. The scope of protection required for the present invention is defined by the appended claims and their equivalents.

Claims (40)

  1. 一种光学组件,其特征在于,包括:An optical component, characterized by including:
    光学镜头,包括:Optical lenses, including:
    沿光轴方向由物侧至像侧依次设置的第一镜头部、第二镜头部、第三镜头部,以及a first lens part, a second lens part, a third lens part arranged in sequence from the object side to the image side along the optical axis direction, and
    驱动装置,所述第二镜头部被设置在所述驱动装置的内部,包括:A driving device, the second lens part is disposed inside the driving device, including:
    光学防抖部,驱动所述第二镜头部沿垂直于所述光轴的方向移动;An optical anti-shake part drives the second lens part to move in a direction perpendicular to the optical axis;
    底座,所述光学防抖部被可活动地保持于所述底座;a base, the optical anti-shake part is movably held on the base;
    其中,所述底座下方具有一支撑部,所述第三镜头部被固定承靠于所述支撑部内。There is a support part below the base, and the third lens part is fixedly supported in the support part.
  2. 根据权利要求1所述的光学组件,其特征在于,所述底座包括底座主体,自所述底座主体的周缘区域向下延伸形成一环形结构,为所述支撑部,所述支撑部和所述底座主体形成一安装位,安装所述第三镜头部。The optical assembly according to claim 1, wherein the base includes a base body, extending downward from a peripheral area of the base body to form an annular structure for the support portion, the support portion and the The main body of the base forms a mounting position for mounting the third lens part.
  3. 根据权利要求2所述的光学组件,其特征在于,所述光学防抖部包括一光学防抖载体、至少一光学防抖线圈、至少一光学防抖磁石,所述光学防抖线圈设置在所述底座主体上,被设置在所述第三镜头部的上方,所述光学防抖磁石设置在所述光学防抖载体上,所述第二镜头部被设置在所述光学防抖载体内,所述光学防抖线圈与所述光学防抖磁石对应设置适于驱动所述第二镜头部沿垂直于所述光轴的方向移动。The optical component according to claim 2, wherein the optical anti-shake part includes an optical anti-shake carrier, at least one optical anti-shake coil, and at least one optical anti-shake magnet, and the optical anti-shake coil is disposed on the The base body is disposed above the third lens part, the optical anti-shake magnet is disposed on the optical anti-shake carrier, and the second lens part is disposed in the optical anti-shake carrier, The optical anti-shake coil is arranged corresponding to the optical anti-shake magnet and is adapted to drive the second lens part to move in a direction perpendicular to the optical axis.
  4. 根据权利要求3所述的光学组件,其特征在于,所述驱动装置还包括一导向支撑结构,所述光学防抖部由所述导向支撑结构可活动地保持于所述底座。The optical assembly according to claim 3, wherein the driving device further includes a guide support structure, and the optical anti-shake part is movably held on the base by the guide support structure.
  5. 根据权利要求4所述的光学组件,其特征在于,所述导向支撑结构被设置在所述光学防抖载体与所述底座之间。The optical assembly according to claim 4, wherein the guide support structure is disposed between the optical anti-shake carrier and the base.
  6. 根据权利要求5所述的光学组件,其特征在于,所述驱动装置还包括一对焦部,所述对焦部被设置在所述光学防抖部的内部,驱动所述第二镜头部沿所述光轴的方向移动。The optical assembly according to claim 5, wherein the driving device further includes a focusing part, the focusing part is arranged inside the optical anti-shake part, and drives the second lens part along the The direction of the optical axis moves.
  7. 根据权利要求6所述的光学组件,其特征在于,所述对焦部包括一对焦载体、至少一对焦线圈,所述对焦载体承载所述第二镜头部,位于所述光学防抖载体内,所述对焦线圈被设置在所述对焦载体上。The optical assembly according to claim 6, wherein the focusing part includes a pair of focusing carriers and at least one pair of focusing coils, the focusing carrier carries the second lens part and is located in the optical anti-shake carrier, so The focus coil is arranged on the focus carrier.
  8. 根据权利要求7所述的光学组件,其特征在于,所述对焦线圈与所述光学防抖磁石相对应,适于驱动所述对焦载体沿所述光轴方向移动。The optical assembly according to claim 7, wherein the focus coil corresponds to the optical anti-shake magnet and is adapted to drive the focus carrier to move along the optical axis direction.
  9. 根据权利要求7所述的光学组件,其特征在于,所述对焦部还可以包括至少一对焦磁石以及一框架,所述框架位于所述光学防抖载体内,所述对焦磁石被设置在所述框架上,与所述对焦线圈相对,适于驱动所述对焦载体沿所述光轴方向移动。The optical assembly according to claim 7, wherein the focusing part further includes at least a pair of focusing magnets and a frame, the frame is located in the optical anti-shake carrier, and the focusing magnet is disposed on the The frame is opposite to the focus coil and is adapted to drive the focus carrier to move along the optical axis direction.
  10. 一种摄像模组,其特征在于,包括:A camera module, characterized by including:
    感光组件;以及Photosensitive components; and
    如权利要求1至9任一所述的光学组件,其中,所述光学组件被安装于所述感光组件的上方,且保持于所述感光组件的光学路径上。The optical component according to any one of claims 1 to 9, wherein the optical component is installed above the photosensitive component and maintained on the optical path of the photosensitive component.
  11. 一种光学组件,其特征在于,包括:An optical component, characterized by including:
    光学镜头,包括:Optical lenses, including:
    沿光轴方向由物侧至像侧依次设置的第一镜头部、第二镜头部、第三镜头部, A first lens part, a second lens part, and a third lens part are arranged in sequence from the object side to the image side along the optical axis direction,
    驱动装置,包括:Drive unit, including:
    光学防抖部,所述光学防抖部驱动所述第二镜头部沿着垂直于光轴运动;An optical anti-shake part, the optical anti-shake part drives the second lens part to move perpendicular to the optical axis;
    壳体,所述第一镜头部被固定承载在壳体的上方;A housing, the first lens part is fixedly carried above the housing;
    底座,所述第三镜头部被固定承载在底座的下方,所述壳体被设置在所述底座的上方;A base, the third lens portion is fixedly carried below the base, and the housing is provided above the base;
    所述第一镜头部、壳体和所述底座构成一容纳空间,所述光学防抖部被容纳在所述容纳空间内。The first lens part, the housing and the base form an accommodation space, and the optical anti-shake part is accommodated in the accommodation space.
  12. 根据权利要求11所述的光学组件,其特征在于,所述光学防抖部在所述容纳空间内沿着垂直于光轴运动。The optical assembly according to claim 11, wherein the optical anti-shake part moves perpendicular to the optical axis in the accommodation space.
  13. 根据权利要求12所述的光学组件,其特征在于,所述光学防抖部包括一光学防抖载体,所述壳体与所述光学防抖载体之间的水平间隙大于所述光学防抖载体沿着垂直于光轴的水平方向移动的行程距离。The optical assembly according to claim 12, wherein the optical anti-shake part includes an optical anti-shake carrier, and the horizontal gap between the housing and the optical anti-shake carrier is larger than the optical anti-shake carrier. The travel distance along the horizontal direction perpendicular to the optical axis.
  14. 根据权利要求13所述的光学组件,其特征在于,所述光学防抖部包括至少一光学防抖线圈、至少一光学防抖磁石,所述光学防抖线圈设置在所述底座主体上,所述光学防抖磁石设置在所述光学防抖载体上,所述光学防抖线圈与所述光学防抖磁石对应设置适于驱动所述第二镜头部沿着垂直于所述光轴的方向移动。The optical assembly according to claim 13, wherein the optical anti-shake part includes at least one optical anti-shake coil and at least one optical anti-shake magnet, and the optical anti-shake coil is arranged on the base body, so The optical anti-shake magnet is arranged on the optical anti-shake carrier, and the optical anti-shake coil is arranged corresponding to the optical anti-shake magnet and is adapted to drive the second lens part to move in a direction perpendicular to the optical axis. .
  15. 根据权利要求11所述的光学组件,其特征在于,所述驱动装置还包括一对焦部,所述对焦部驱动所述第二镜头部沿着所述光轴的方向移动。The optical assembly according to claim 11, wherein the driving device further includes a focusing part, the focusing part drives the second lens part to move along the direction of the optical axis.
  16. 根据权利要求15所述的光学组件,其特征在于,所述对焦部在所述容纳空间沿着光轴运动。The optical assembly according to claim 15, wherein the focusing part moves along the optical axis in the accommodation space.
  17. 根据权利要求16所述的光学组件,其特征在于,所述第一镜头部和所述第二镜头部在沿光轴的方向之间预留有第一间隙,所述第二镜头部与所述第三镜头部之间在沿光轴的方向预留有第二间隙,所述第一间隙和第二间隙适于所述第二镜头部在所述容纳空间内,在所述对焦部提供的对焦驱动力下沿着光轴向上或向下移动的过程中,不会与所述第一镜头部和所述第三镜头部发生碰撞。The optical assembly according to claim 16, wherein a first gap is reserved between the first lens part and the second lens part in a direction along the optical axis, and the second lens part and the A second gap is reserved between the third lens parts in the direction along the optical axis. The first gap and the second gap are suitable for the second lens part to be in the accommodation space, and the focusing part is provided with When moving upward or downward along the optical axis under the focus driving force, it will not collide with the first lens part and the third lens part.
  18. 根据权利要求17所述的光学组件,其特征在于,所述壳体包括一主体、承靠部,所述主体呈中空环形,靠近物侧的上端面向内延伸形成所述承靠部,所述承靠部的下端面、所述第一镜头部的底部构成所述容纳空间的上顶面,与所述对焦部的上移动端面构成所述第一间隙。The optical assembly according to claim 17, wherein the housing includes a main body and a supporting portion, the main body is hollow annular, and the upper end near the object side extends inward to form the supporting portion, and the supporting portion is The lower end surface of the supporting portion and the bottom of the first lens portion form the upper top surface of the accommodation space, and form the first gap with the upper moving end surface of the focusing portion.
  19. 根据权利要求18所述的光学组件,其特征在于,所述底座包括底座主体和支撑部,所述支撑部为自所述底座主体的周缘区域向下延伸形成的一环形结构,所述支撑部和所述底座主体形成一安装位,安装所述第三镜头部,所述底座主体的上端面、所述第三镜头部的顶部构成所述容纳空间的下底面,所述容纳空间的所述下底面与所述对焦部的下移动端面构成所述第二间隙。The optical assembly according to claim 18, wherein the base includes a base body and a support portion, the support portion is an annular structure extending downward from a peripheral area of the base body, and the support portion A mounting position is formed with the base body to install the third lens portion. The upper end surface of the base body and the top of the third lens portion constitute the lower bottom surface of the accommodation space. The lower bottom surface and the lower moving end surface of the focusing part form the second gap.
  20. 一种摄像模组,其特征在于,包括:A camera module, characterized by including:
    感光组件;以及Photosensitive components; and
    如权利要求11至19任一所述的光学组件,其中,所述光学组件被安装于所述感光组 件的上方,且保持于所述感光组件的光学路径上。The optical component according to any one of claims 11 to 19, wherein the optical component is mounted on the photosensitive group above the component and maintained on the optical path of the photosensitive component.
  21. 一种光学组件,其特征在于,包括:An optical component, characterized by including:
    光学镜头,包括:Optical lenses, including:
    沿光轴方向由物侧至像侧依次设置的第一镜头部、第二镜头部、第三镜头部,以及a first lens part, a second lens part, a third lens part arranged in sequence from the object side to the image side along the optical axis direction, and
    驱动装置,包括:Drive unit, including:
    光学防抖部,所述第二镜头部被设置在所述光学防抖部内部,An optical anti-shake part, the second lens part is disposed inside the optical anti-shake part,
    其中,所述光学防抖部驱动所述第二镜头部,相对于所述第一镜头部和第三镜头部沿着垂直于光轴的方向移动。Wherein, the optical anti-shake part drives the second lens part to move in a direction perpendicular to the optical axis relative to the first lens part and the third lens part.
  22. 根据权利要求21所述的光学组件,其特征在于,所述光学防抖部包括一光学防抖载体、至少一光学防抖线圈、至少一光学防抖磁石,所述光学防抖磁石设置在所述光学防抖载体上,所述光学防抖线圈与所述光学防抖磁石对应设置适于驱动所述第二镜头部沿着垂直于所述光轴的方向移动。The optical assembly according to claim 21, wherein the optical anti-shake part includes an optical anti-shake carrier, at least one optical anti-shake coil, and at least one optical anti-shake magnet, and the optical anti-shake magnet is disposed on the On the optical anti-shake carrier, the optical anti-shake coil is arranged corresponding to the optical anti-shake magnet and is adapted to drive the second lens part to move in a direction perpendicular to the optical axis.
  23. 根据权利要求22所述的光学组件,其特征在于,所述驱动装置包括一壳体,所述第一镜头部被固定承载在所述壳体的上方。The optical assembly according to claim 22, wherein the driving device includes a housing, and the first lens part is fixedly carried above the housing.
  24. 根据权利要求23所述的光学组件,其特征在于,所述壳体包括一主体、承靠部,所述主体呈中空环形,靠近物侧的上端面向内延伸形成所述承靠部,所述第一镜头部被固定承载在所述承靠部,所述第二镜头被设置在所述壳体内。The optical assembly according to claim 23, wherein the housing includes a main body and a supporting portion, the main body is in the shape of a hollow ring, and the upper end near the object side extends inward to form the supporting portion, and the supporting portion is The first lens part is fixedly carried on the supporting part, and the second lens is disposed in the housing.
  25. 根据权利要求24所述的光学组件,其特征在于,所述光学防抖部被设置在所述壳体内,所述光学防抖部在所述壳体内驱动所述第二镜头部相对于所述第一镜头部和第三镜头部沿着垂直于光轴的方向移动。The optical assembly according to claim 24, wherein the optical anti-shake part is disposed in the housing, and the optical anti-shake part drives the second lens part relative to the The first lens part and the third lens part move in a direction perpendicular to the optical axis.
  26. 根据权利要求25所述的光学组件,其特征在于,所述壳体与所述光学防抖载体之间的水平间隙大于所述光学防抖载体沿垂直于光轴的水平方向移动的行程距离。The optical assembly according to claim 25, wherein the horizontal gap between the housing and the optical anti-shake carrier is greater than the travel distance of the optical anti-shake carrier in a horizontal direction perpendicular to the optical axis.
  27. 根据权利要求26所述的光学组件,其特征在于,所述驱动装置包括一底座,所述第三镜头部被固定承载在所述底座的下方,所述壳体被固定在所述底座上。The optical assembly according to claim 26, wherein the driving device includes a base, the third lens part is fixedly carried below the base, and the housing is fixed on the base.
  28. 根据权利要求27所述的光学组件,其特征在于,所述底座包括底座主体,自所述底座主体的周缘区域向下延伸形成一环形结构,为所述支撑部,所述支撑部和所述底座主体形成一安装位,安装所述第三镜头部。The optical assembly according to claim 27, wherein the base includes a base body, extending downward from a peripheral area of the base body to form an annular structure for the support part, the support part and the The main body of the base forms a mounting position for mounting the third lens part.
  29. 根据权利要求28所述的光学组件,其特征在于,所述驱动装置还包括一导向支撑结构,所述光学防抖部由所述导向支撑结构可活动地保持于所述底座。The optical assembly according to claim 28, wherein the driving device further includes a guide support structure, and the optical anti-shake part is movably held on the base by the guide support structure.
  30. 一种摄像模组,其特征在于,包括:A camera module, characterized by including:
    感光组件;以及Photosensitive components; and
    如权利要求21至29任一所述的光学组件,其中,所述光学组件被安装于所述感光组件的上方,且保持于所述感光组件的光学路径上。The optical component according to any one of claims 21 to 29, wherein the optical component is installed above the photosensitive component and maintained on the optical path of the photosensitive component.
  31. 一种光学组件的组装方法,其特征在于,包括:An assembly method of optical components, characterized by including:
    (a)提供一光学镜头,所述光学镜头包括沿光轴方向由物侧至像侧依次设置的第一镜头部、第二镜头部和第三镜头部; (a) Provide an optical lens, which includes a first lens part, a second lens part and a third lens part arranged in sequence from the object side to the image side along the optical axis direction;
    (b)将所述第三镜头部与光学组件的固定部固定设置;(b) Fix the third lens part and the fixing part of the optical component;
    (c)沿着所述第三镜头部的光轴将所述第一镜头部预定位;(c) prepositioning the first lens portion along the optical axis of the third lens portion;
    (d)组装校准所述第一镜头部、所述第二镜头部以及所述第三镜头部以形成清晰成像的光学镜头;(d) Assembling and calibrating the first lens part, the second lens part and the third lens part to form an optical lens with clear imaging;
    (e)固定所述第一镜头部于所述固定部,将所述第二镜头部固定于光学组件的可动部。(e) Fix the first lens part to the fixed part, and fix the second lens part to the movable part of the optical component.
  32. 根据权利要求31所述的组装方法,其特征在于,所述步骤(d)中,组装校准所述第一镜头部、所述第二镜头部、所述第三镜头部,包括:The assembly method according to claim 31, wherein in step (d), assembling and calibrating the first lens part, the second lens part, and the third lens part includes:
    以所述第三镜头部为基准,校准所述第二镜头部的Z方向的间隙;Calibrating the gap in the Z direction of the second lens part using the third lens part as a reference;
    以所述第三镜头部和所述第二镜头部为基准,校正所述第一镜头部的XY方向的间隙;Using the third lens part and the second lens part as a reference, correct the gap in the XY direction of the first lens part;
    以所述第三镜头部为基准,校正所述第二镜头部的XY方向的位置;Using the third lens portion as a reference, correct the position of the second lens portion in the XY direction;
    以所述第三镜头部和所述第二镜头部为基准,校正所述第一镜头部的XY方向的位置。The position of the first lens portion in the XY direction is corrected with the third lens portion and the second lens portion as a reference.
  33. 根据权利要求31所述的组装方法,其特征在于,步骤(e)包括:The assembly method according to claim 31, wherein step (e) includes:
    固定所述第一镜头部与所述固定部;fixing the first lens part and the fixing part;
    相对于固定连接的所述第一镜头部和所述第三镜头部,在多个自由度方向调整所述第二镜头部;Adjusting the second lens part in multiple degrees of freedom directions relative to the fixedly connected first lens part and the third lens part;
    待所述第二镜头部与所述第一镜头部、所述第三镜头部形成的光学镜头可满足成像的要求时,将所述第二镜头部与所述可动部进行固定。When the optical lens formed by the second lens part, the first lens part, and the third lens part can meet the imaging requirements, the second lens part and the movable part are fixed.
  34. 根据权利要求32或33所述的组装方法,其特征在于,所述步骤(b)中,所述固定部包括一底座,所述底座包括底座主体和支撑部,自所述底座主体的周缘区域向下延伸形成一环形结构,为所述支撑部,所述支撑部和所述底座主体形成一安装位,所述第三镜头部被固定在所述安装位。The assembly method according to claim 32 or 33, wherein in step (b), the fixing part includes a base, the base includes a base body and a support part, from the peripheral area of the base body A ring-shaped structure is extended downward to form the support part. The support part and the base body form an installation position, and the third lens part is fixed at the installation position.
  35. 根据权利要求34所述的组装方法,其特征在于,所述固定部还包括一壳体,所述壳体包括一主体、承靠部,所述主体呈中空环形,靠近物侧的上端面向内延伸形成所述承靠部。The assembly method according to claim 34, characterized in that the fixing part further includes a shell, the shell includes a main body and a supporting part, the main body is in the shape of a hollow ring, and the upper end close to the object side faces inward. Extend to form the supporting portion.
  36. 根据权利要求35所述的组装方法,其特征在于,所述步骤(c)中,所述第一镜头部被预定组装在所述壳体上的所述承靠部,被保持在所述第二镜头部的上方。The assembly method according to claim 35, characterized in that in the step (c), the supporting portion of the first lens part scheduled to be assembled on the housing is held on the first lens part. Above the second lens.
  37. 根据权利要求36所述的组装方法,其特征在于,所述可动部包括一光学防抖部,所述第二镜头部被预定组装于所述可动部,所述光学防抖部驱动所述第二镜头部,可相对于所述第一镜头部和第三镜头部沿着垂直于光轴的方向移动。The assembly method according to claim 36, wherein the movable part includes an optical anti-shake part, the second lens part is scheduled to be assembled on the movable part, and the optical anti-shake part drives the The second lens part is movable relative to the first lens part and the third lens part in a direction perpendicular to the optical axis.
  38. 根据权利要求37所述的组装方法,其特征在于,所述主体和所述承靠部构成一容纳空间,所述第二镜头部被设置在所述容纳空间内,所述第二镜头部在所述容纳空间内沿着垂直于光轴运动。The assembly method according to claim 37, characterized in that the main body and the supporting part form a receiving space, the second lens part is disposed in the receiving space, and the second lens part is in The movement in the accommodation space is perpendicular to the optical axis.
  39. 根据权利要求38所述的组装方法,其特征在于,所述壳体的所述承靠部设置有避让槽,通过所述避让槽对所述第二镜头部进行夹持调整。The assembly method according to claim 38, wherein the supporting portion of the housing is provided with an escape groove, and the second lens portion is clamped and adjusted through the escape groove.
  40. 根据权利要求39所述的组装方法,其特征在于,所述第二镜片组包括一夹持部,所述夹持部沿着所述第二镜头部的侧边向外一体延伸,并延伸至所述壳体形成的避让槽的空 间内,以通过所述避让槽夹持所述夹持部对所述第二镜头部的位置进行调整。 The assembly method according to claim 39, wherein the second lens group includes a clamping portion, the clamping portion integrally extends outward along the side of the second lens portion and extends to The space of the escape groove formed by the housing In the space, the position of the second lens part is adjusted by clamping the clamping part through the escape groove.
PCT/CN2023/087780 2022-04-29 2023-04-12 Optical assembly and assembly method therefor, and camera module WO2023207590A1 (en)

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CN202210473081.1A CN117008279A (en) 2022-04-29 2022-04-29 Optical assembly and camera module
CN202210473080.7 2022-04-29
CN202210474033.4 2022-04-29
CN202210473080.7A CN117008278A (en) 2022-04-29 2022-04-29 Optical assembly and assembly method thereof
CN202210474033.4A CN117008271A (en) 2022-04-29 2022-04-29 Optical assembly and camera module
CN202210474035.3 2022-04-29
CN202210473081.1 2022-04-29
CN202210474035.3A CN117008280A (en) 2022-04-29 2022-04-29 Optical assembly and camera module thereof

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Publication number Priority date Publication date Assignee Title
JP2011209352A (en) * 2010-03-29 2011-10-20 Konica Minolta Opto Inc Optical system and lens positioning method
JP2012068292A (en) * 2010-09-21 2012-04-05 Konica Minolta Opto Inc Imaging lens, imaging apparatus and portable terminal
CN204086644U (en) * 2014-08-25 2015-01-07 瑞声精密制造科技(常州)有限公司 Lens driving apparatus
CN113568129A (en) * 2020-04-10 2021-10-29 华为技术有限公司 Optical lens assembly, camera module and electronic equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011209352A (en) * 2010-03-29 2011-10-20 Konica Minolta Opto Inc Optical system and lens positioning method
JP2012068292A (en) * 2010-09-21 2012-04-05 Konica Minolta Opto Inc Imaging lens, imaging apparatus and portable terminal
CN204086644U (en) * 2014-08-25 2015-01-07 瑞声精密制造科技(常州)有限公司 Lens driving apparatus
CN113568129A (en) * 2020-04-10 2021-10-29 华为技术有限公司 Optical lens assembly, camera module and electronic equipment

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