WO2019174500A1 - 镜头座、镜头模组及电子设备 - Google Patents

镜头座、镜头模组及电子设备 Download PDF

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Publication number
WO2019174500A1
WO2019174500A1 PCT/CN2019/077087 CN2019077087W WO2019174500A1 WO 2019174500 A1 WO2019174500 A1 WO 2019174500A1 CN 2019077087 W CN2019077087 W CN 2019077087W WO 2019174500 A1 WO2019174500 A1 WO 2019174500A1
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WO
WIPO (PCT)
Prior art keywords
lens
displacement
photosensitive
present disclosure
photosensitive structure
Prior art date
Application number
PCT/CN2019/077087
Other languages
English (en)
French (fr)
Inventor
李文珍
Original Assignee
维沃移动通信有限公司
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
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to EP19767858.4A priority Critical patent/EP3767940A4/en
Priority to KR1020207029669A priority patent/KR102507056B1/ko
Priority to US16/980,558 priority patent/US20210006693A1/en
Priority to BR112020018734-8A priority patent/BR112020018734A2/pt
Priority to AU2019233076A priority patent/AU2019233076B2/en
Priority to JP2020572595A priority patent/JP2021516798A/ja
Publication of WO2019174500A1 publication Critical patent/WO2019174500A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/682—Vibration or motion blur correction
    • H04N23/685—Vibration or motion blur correction performed by mechanical compensation
    • H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0007—Movement of one or more optical elements for control of motion blur
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0053—Driving means for the movement of one or more optical element
    • G03B2205/0076—Driving means for the movement of one or more optical element using shape memory alloys

Definitions

  • Embodiments of the present disclosure relate to the field of optical technologies, and in particular, to a lens mount, a lens module, and an electronic device.
  • the lens a is fixed to the voice coil motor b, and in the case where the lens a is subjected to an external force, the lens a will be in a direction perpendicular to the direction of the optical axis of the lens a (for example, as shown in FIG. 1).
  • the electronic device can control the movement of the lens a by the voice coil motor b in a direction opposite to the above direction (for example, the B1 direction or the A1 direction as shown in FIG. 1). This enables optical image stabilization.
  • the lens may be slightly oscillated during the motion of the voice coil motor, and the lens is usually a precision component, which may reduce the lens. reliability.
  • an embodiment of the present disclosure provides a lens mount for carrying a lens, the lens mount including a photosensitive structure, and a driving structure disposed on the first side of the photosensitive structure and connected to the photosensitive structure.
  • the first side of the photosensitive structure is a side away from the lens; wherein the driving structure is configured to drive the photosensitive structure to move a second displacement, the direction of the first displacement, when the photosensitive structure moves the first displacement.
  • the direction of the second displacement is perpendicular to the direction of the optical axis of the lens, and the direction of the second displacement is opposite to the direction of the first displacement.
  • an embodiment of the present disclosure provides a lens module including a lens, and the lens holder provided in the above first aspect, the lens holder is configured to carry the lens.
  • an embodiment of the present disclosure provides an electronic device, where the electronic device includes the lens module provided in the second aspect.
  • FIG. 1 is a cross-sectional view of a lens module provided by the prior art
  • FIG. 2 is a cross-sectional view of a lens holder according to an embodiment of the present disclosure
  • FIG. 3 is a cross-sectional view of a lens holder according to an embodiment of the present disclosure.
  • FIG. 4 is a cross-sectional view of a lens holder according to an embodiment of the present disclosure.
  • Figure 5 is a cross-sectional view of a lens holder according to an embodiment of the present disclosure.
  • Figure 6 is a cross-sectional view of a lens holder according to an embodiment of the present disclosure.
  • FIG. 7 is a cross-sectional view of a lens module according to an embodiment of the present disclosure.
  • first and second in the specification and claims of the present disclosure are used to distinguish different objects, and are not intended to describe a particular order of the objects.
  • first displacement and the second displacement, etc. are used to distinguish different displacements, rather than to describe a particular order of displacement.
  • the words “exemplary” or “such as” are used to mean an example, illustration, or illustration. Any embodiment or design described as “exemplary” or “for example” in the disclosed embodiments should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of the words “exemplary” or “such as” is intended to present the concepts in a particular manner.
  • a plurality means two or more, for example, a plurality of lenses means two or more lenses, and a plurality of photodiodes Two or more photodiodes, etc.
  • Voice coil motor A device that uses a magnetic field from a permanent magnet to interact with the magnetic poles in a magnetic field generated by a coiled conductor to produce a regular motion, that is, a power device that converts electrical energy into mechanical energy.
  • Lens refers to an optical device consisting of multiple lenses.
  • the optical axis of the lens refers to the line formed by the centers of the multiple lenses in the lens.
  • Optical image stabilization refers to a function of setting a special structure in an electronic device having a function of capturing an image to reduce the influence of the user's hand shake on the sharpness of the captured image during image capturing by the electronic device.
  • Shape memory alloys refers to an alloy material that can eliminate its deformation at a lower temperature after heating and restore its original shape before deformation, that is, an alloy with a "memory" effect. .
  • Soft and hard bonding board refers to a flexible circuit board and a rigid circuit board, which are combined by pressing process and the like according to the relevant process requirements to form a circuit board having the characteristics of flexible circuit board and rigid circuit board.
  • Filter refers to the optics used to select the desired radiation band.
  • Embodiments of the present disclosure provide a lens mount, a lens module, and an electronic device.
  • the lens holder can be used for carrying a lens.
  • the lens holder can include a photosensitive structure and a driving structure disposed on the first side of the photosensitive structure and connected to the photosensitive structure.
  • the first side of the photosensitive structure is away from the lens. side.
  • the driving structure can be configured to drive the photosensitive structure to move a second displacement (the second displacement of the photosensitive structure when the first displacement is shifted (the direction of the first displacement is perpendicular to the direction of the optical axis of the lens)
  • the direction is in the same plane as the direction of the first displacement, and the direction of the second displacement is opposite to the direction of the first displacement).
  • the lens mount of the embodiment of the present disclosure can achieve optical image stabilization.
  • the optical anti-shake is realized by the voice coil motor driving the lens movement, and the optical anti-shake is realized by the driving structure to drive the photosensitive structure to move, so that the lens is not affected.
  • the embodiment of the present disclosure can ensure the reliability of the lens on the basis of achieving optical image stabilization.
  • an embodiment of the present disclosure provides a lens mount 01.
  • the lens mount 01 can be used to carry a lens 00.
  • the lens mount 01 can include a photosensitive structure 02 and a driving structure 03 disposed on the first side of the photosensitive structure 02 and connected to the photosensitive structure 02.
  • the first side is the side away from the lens 00.
  • the driving structure 03 can be configured to drive the photosensitive structure 02 to move a second displacement when the photosensitive structure 02 moves the first displacement, and the direction of the first displacement is perpendicular to the direction of the optical axis of the lens 00.
  • the direction of the second displacement is in the same plane as the direction of the first displacement, and the direction of the second displacement is opposite to the direction of the first displacement.
  • the direction of the first displacement may be A2, and the direction of the second displacement may be B2.
  • the first displacement may be that the photosensitive structure 02 moves a certain distance along the A2 direction
  • the second displacement may be that the photosensitive structure 02 moves a certain distance along the B2 direction.
  • the lens mount when the lens mount receives an external force (for example, the user can click on the shooting control on the screen of the electronic device of the lens mount application to take a photo or video, during the shooting, due to the user's hand (ie, The user's hand holding the electronic device may cause the electronic device to shake, so the lens holder of the electronic device may be subjected to an external force.
  • the photosensitive structure of the lens holder may move in a direction perpendicular to the direction of the optical axis of the lens. Distance (ie the photosensitive structure moves the first displacement).
  • the driving structure may drive the photosensitive structure to move in a direction opposite to the direction of the first displacement and in a direction opposite to the direction of the first displacement (ie, drive the photosensitive
  • the structure moves the second displacement), which can improve the sharpness of the captured photo or video, that is, optical image stabilization can be achieved.
  • the size of the first displacement and the size of the second displacement may be the same or different, and may be determined according to actual usage requirements, which is not limited in the embodiment of the present disclosure. It can be understood that, in order to achieve optical anti-shake better, the magnitude of the first displacement and the magnitude of the second displacement may be the same; in addition, since the size of the first displacement and the magnitude of the second displacement may be deviated in practical applications, The magnitude of the first displacement and the magnitude of the second displacement may also be different.
  • the lens holder provided by the embodiment of the present disclosure on the one hand, when the photosensitive structure in the lens holder moves the first displacement under the external force, the driving structure in the lens holder can drive the photosensitive structure to be opposite to the first displacement.
  • the directional movement therefore, the lens mount of the embodiment of the present disclosure can achieve optical image stabilization; on the other hand, compared with the prior art, the optical motion stabilization is achieved by the voice coil motor driving the lens motion, since the embodiment of the present disclosure is through the driving structure
  • the photosensitive structure is moved to achieve optical image stabilization, so it does not affect the lens.
  • the embodiment of the present disclosure can ensure the reliability of the lens on the basis of achieving optical image stabilization.
  • the driving structure 03 may further be configured to drive the photosensitive structure 02 to move along a first direction, where the first direction is the same as the optical axis of the lens.
  • the driving structure can drive the photosensitive structure to move along the first direction under the control of the control signal.
  • the first direction may be C.
  • the driving structure may receive a control signal sent by the processor (for example, the control signal may be a control sent by the processor to adjust the focal length of the lens (ie, the object distance and the distance).
  • the control signal may be a control sent by the processor to adjust the focal length of the lens (ie, the object distance and the distance).
  • the distance between the signals drives the photosensitive structure to move along the direction of the optical axis of the lens (ie, the first direction described above), so that optical focusing of the lens can be achieved.
  • the driving structure may drive the photosensitive structure to move in a direction away from the lens along the optical axis of the lens (ie, the first direction), and the driving structure may also drive the photosensitive structure along the The direction of the optical axis of the lens (ie, the first direction described above) moves toward the lens.
  • the driving structure drives the photosensitive structure to move away from the lens in the direction of the optical axis of the lens, the focal length can be adjusted; when the driving structure drives the photosensitive structure to move toward the lens in the direction of the optical axis of the lens , can achieve small focal length.
  • the direction of the specific driving of the photosensitive structure can be determined according to the actual use requirements, and the embodiment of the present disclosure is not limited.
  • the driving structure can drive the photosensitive structure to move along the direction of the optical axis of the lens (ie, the first direction), so that the object can be changed by changing the object distance and the distance between the objects.
  • the imaging is clearer, enabling optical focusing.
  • the optical focus is achieved by the voice coil motor driving the lens movement. Since the embodiment of the present disclosure implements the optical focusing by the driving structure to drive the photosensitive structure, it does not affect the lens. As such, the embodiment of the present disclosure can ensure the reliability of the lens on the basis of achieving optical focusing.
  • the driving structure 03 shown in FIG. 2 may include a first circuit board 04, M connection components 05, and N Deformation component 06.
  • a first end of each connecting member 05 is connected to the first circuit board 04, and a second end of each connecting member 05 is connected to the photosensitive structure 02;
  • the N deforming members 06 are located on the first circuit board 04 and the photosensitive Between the structures 02, and a first end of each of the deforming members 06 is connected to the first wiring board 04, and a second end of each of the deforming members 06 is connected to the photosensitive structure 02.
  • At least one of the N deformable members 06 drives the photosensitive structure 02 to move the second displacement after being heated, and M is an integer greater than 1, and N is A positive integer.
  • the photosensitive structure of the lens holder may move a certain distance in a direction perpendicular to the direction of the optical axis of the lens (ie, the photosensitive structure moves the first displacement), at this time, processing
  • the device may acquire the data of the first displacement (for example, the processor may acquire the data of the first displacement by using a motion sensor disposed on the photosensitive structure), and calculate a displacement amount to be compensated according to the data of the first displacement, And determining, from the N deformable components, at least one deforming component that can move the photosensitive structure to move a second displacement after being heated, and then the processor can control to energize the at least one deforming component, after the at least one deforming component is energized and heated The at least one deformation component can be deformed (ie, produce a shape change) such that the at least one deformation component can cause the photosensitive structure to move a second displacement.
  • each of the drawings illustrated in the embodiments of the present disclosure is a cross-sectional view of the structure (for example, a cross-sectional view of the lens mount or a cross-sectional view of the lens module, etc.), and in each cross-sectional view, there are two connections.
  • the number of the connecting component and the deforming component may be determined according to actual use requirements, and the embodiment of the present disclosure is not limited. .
  • the first circuit board may be a flexible circuit board, a rigid circuit board, or a soft and hard bonding board. It can be determined according to the actual use requirements, and the embodiment of the present disclosure is not limited.
  • the material of the M connecting component may be a material such as a metal or a metal alloy, and may be determined according to actual use requirements, and is not limited by the embodiment of the present disclosure.
  • the material of the above M connecting members may be titanium metal.
  • the materials of the M connecting components may be identical, may be completely different, or may be partially the same, and may be determined according to actual use requirements, and the embodiment of the present disclosure is not limited.
  • At least one of the N deformable members may drive the photosensitive structure to move along a direction of the optical axis of the lens (ie, the first direction) after being heated.
  • the lens mount provided by the embodiment of the present disclosure firstly, when the photosensitive structure in the lens mount moves the first displacement under the external force, at least one of the N deformed components in the lens mount can drive the photosensitive light after being heated.
  • the structure is moved in a direction opposite to the direction of the first displacement, so that the lens mount of the embodiment of the present disclosure can achieve optical image stabilization; secondly, compared with the prior art, the optical motion stabilization is achieved by the voice coil motor driving the lens motion,
  • the embodiment of the present disclosure is to achieve optical anti-shake by driving the photosensitive structure to move, so that it does not affect the lens; again, compared with the prior art, the movement of the lens is driven by the voice coil motor, since the embodiment of the present disclosure is At least one of the deformation members is thermally deformed to move the photosensitive structure, and the power consumption of the photosensitive structure by the heat deformation of the at least one deformation member is much smaller than the power consumption of the movement of the lens by the voice coil motor, so the embodiment of the present disclosure can reduce the
  • the gap between the first circuit board 04 and the photosensitive structure 02 may be greater than or equal to a preset value.
  • the gap between the first circuit board and the photosensitive structure may be s as shown in FIG.
  • the preset value may be any value of [0.05 mm (mm), 0.08 mm].
  • the preset value may also be any other value that satisfies the actual use requirement, which is not limited in the embodiment of the present disclosure.
  • the lens mount provided by the embodiment of the present disclosure can make the photosensitive structure move along the direction of the first displacement, the direction of the second displacement or the first direction by providing a gap between the first circuit board and the photosensitive structure. It will be in contact with the first circuit board, so that the lens holder can work normally.
  • the deformation component may be a memory alloy component.
  • each of the N deformable members described above may be a memory alloy member.
  • the material of the memory alloy component may be a shape memory alloy.
  • the material of the memory alloy component may also be any other material that satisfies the actual use requirements, and is not limited in the embodiment of the present disclosure.
  • the shape memory alloy may be gold cadmium alloy, silver cadmium alloy, copper zinc alloy, copper zinc aluminum alloy, copper zinc tin alloy, copper tin alloy, copper. Any one, two or more combinations of shape memory alloys such as zinc gallium alloy, indium titanium alloy, gold copper zinc alloy, iron platinum alloy, titanium niobium alloy, uranium niobium alloy, and iron manganese silicon alloy.
  • the materials of the N deforming members may be any one, two or more combinations of the shape memory alloys described above, and the materials of the N deforming members may be identical. It can also be completely different, and can also be partially identical, and can be determined according to actual use requirements, and the embodiment of the present disclosure is not limited.
  • each shape memory alloy wire is located between the first circuit board and the photosensitive structure, and each shape memory alloy wire One end is connected to the first circuit board, and the other end of each shape memory alloy wire is connected to the photosensitive structure.
  • each shape memory alloy wire can drive the photosensitive structure to move a second displacement after being heated (the direction of the second displacement is in the same plane as the direction of the first displacement, and the first displacement The direction is opposite to the inverse of the second displacement, and the magnitude of the first displacement can be equal to the magnitude of the second displacement).
  • the moving direction of the photosensitive structure when the photosensitive structure is moved by the external force to move the first displacement, the moving direction of the photosensitive structure can be driven by the memory alloy component to be in the same plane as the direction of the first displacement, and the direction is first.
  • the second displacement of the displacement direction is opposite to achieve optical image stabilization, and since the cost of the memory alloy component is lower than the cost of the voice coil motor, the embodiment of the present disclosure can reduce the production cost on the basis of achieving optical image stabilization.
  • the photosensitive structure 02 shown in FIG. 3 may include a second circuit board 07 and be disposed on the second circuit board 07.
  • the first side of the photosensitive structure 02 is the side of the second wiring board 07 opposite to the photosensitive member 08.
  • the second end of each of the connecting members 05 and the second end of each of the deforming members 06 are connected to the second wiring board 07 described above.
  • the second circuit board may be a flexible circuit board, a rigid circuit board, or a soft and hard bonding board. It can be determined according to the actual use requirements, and the embodiment of the present disclosure is not limited.
  • the photosensitive member may be adhered to the second circuit board by glue.
  • the photosensitive member can also be disposed on the second circuit board in other possible manners, which is not limited in the embodiment of the present disclosure.
  • the photosensitive member may be a photosensitive chip.
  • the photosensitive chip may be a charge-coupled device (CCD) chip, a complementary metal-oxide semiconductor (CMOS) chip, or other components that can be used for light sensing.
  • CCD charge-coupled device
  • CMOS complementary metal-oxide semiconductor
  • the specific implementation may be determined according to actual usage requirements, and the embodiment of the present disclosure is not limited.
  • the above-mentioned photosensitive member is a CCD chip, and a plurality of photodiodes are disposed on the surface of the CCD chip.
  • the photodiode on the surface of the CCD chip can sense the light, convert the light into an analog electrical signal, and then convert the analog electrical signal.
  • the sampling and amplifying circuit and the analog-to-digital conversion circuit After being processed by the sampling and amplifying circuit and the analog-to-digital conversion circuit, it is converted into a digital image signal.
  • the digital image signal can be stored in a storage device (for example, a flash memory or an internal hard disk card) in the electronic device after being compressed.
  • a storage device for example, a flash memory or an internal hard disk card
  • the lens mount provided by the embodiment of the present disclosure can convert the optical image collected by the lens into an image signal through the second circuit board and the photosensitive member disposed on the second circuit board.
  • the lens mount 01 provided by the embodiment of the present disclosure may further include a filter 09 disposed on a second side of the photosensitive structure, and the second side of the photosensitive structure is a second The same side of the wiring board 07 as the photosensitive member 08.
  • the filter may be used to transmit light of a predetermined wavelength, that is, the filter may be used to filter out light of other wavelengths than the preset wavelength.
  • the filter may be a visible light filter, an ultraviolet filter, or an infrared light filter.
  • the filter is a visible light filter
  • the visible light filter can absorb light of other wavelengths other than the visible light wavelength.
  • visible light can pass through the filter and reach the second circuit board of the photosensitive structure.
  • the ultraviolet filter can absorb light of other wavelengths than the ultraviolet wavelength.
  • ultraviolet light can pass through the filter and reach the second circuit board of the photosensitive structure.
  • the filter is an infrared filter
  • the infrared filter can absorb light of other wavelengths than the infrared wavelength.
  • infrared rays can pass through the filter and reach the second circuit board of the photosensitive structure.
  • FIGS. 3, 4, and 5 in the embodiment of the present disclosure are illustrated by taking a relatively large gap as an example.
  • the specific implementation may be determined according to actual usage requirements, and the embodiment of the present disclosure is not limited.
  • the lens holder provided by the embodiment of the present disclosure, through the filter disposed on the second side of the photosensitive structure, after the light in the external environment of the lens passes through each lens in the lens and reaches the filter, the filter can make Light of a predetermined wavelength passes through the filter and can absorb light of other wavelengths than the light of the predetermined wavelength, so that the photosensitive structure can convert light of a predetermined wavelength in the optical image into an image signal.
  • the lens mount provided by the embodiment of the present disclosure may further include a support structure 10 , which may be used to support the lens 00 and fix the filter 09 .
  • the support structure may be implemented by the structure 10 as shown in FIG. 6 (for example, the structure 10 may be a bracket), or may be implemented by combining two substructures (for example, one substructure) In the supporting lens, another sub-structure is used for fixing the filter, and the two sub-structures can be bonded together and combined into one supporting structure, which can be determined according to actual use requirements, and is not limited in the embodiment of the present disclosure.
  • the sizes of the gaps between the first circuit board and the photosensitive structure are exemplary. In an actual implementation, the size of the gap between the first circuit board and the photosensitive structure may be determined according to actual use requirements, which is not limited in the embodiment of the present disclosure.
  • the lens mount provided by the embodiment of the present disclosure can support the lens and fix the filter through the support structure disposed on the lens mount.
  • the support structure can also be the first circuit board and the second in the above embodiment.
  • the circuit board, the M connecting members, the N deforming members, and the photosensitive member serve to seal and protect.
  • the lens holder shown in any one of FIG. 2 to FIG. 6 since the lens holder can be used to carry the lens 00, that is, the lens 00 does not belong to a part of the lens holder, so as shown in FIG. 2 .
  • the lens 00 in the lens mount shown in any one of Fig. 6 is indicated by a broken line.
  • an embodiment of the present disclosure provides a lens module 11 .
  • the lens module 11 can include a lens 00 and a lens holder that can be used to carry the lens 00.
  • the lens mount may include a first wiring board 04, a connecting member 05, a deformation member 06, a second wiring board 07, a photosensitive member 08, a filter 09, and a support structure 10.
  • FIG. 7 is exemplarily described in conjunction with the lens holder shown in FIG. 6 described in the foregoing embodiment.
  • the lens module provided by the embodiment of the present disclosure may further be combined with the foregoing.
  • the description of the lens holder as shown in any of the above embodiments, reference may be made to the description of the lens holder shown in any one of the above embodiments in FIG. 2 to FIG. Let me repeat.
  • the lens and the lens holder may be respectively provided with matching threads, and the thread may be used to fix the lens to the lens holder.
  • An embodiment of the present disclosure provides a lens module including a lens and a lens holder for carrying the lens.
  • the photosensitive structure in the lens holder moves the first displacement under the action of an external force
  • the driving structure in the lens holder can drive the photosensitive structure to move in a direction opposite to the direction of the first displacement
  • the present disclosure The lens module of the embodiment can realize optical image stabilization; on the other hand, compared with the prior art, the optical motion stabilization is achieved by the voice coil motor driving the lens motion, since the embodiment of the present disclosure implements the optical structure to drive the photosensitive structure to realize the optical Anti-shake, so it will not affect the lens.
  • the embodiment of the present disclosure can ensure the reliability of the lens on the basis of achieving optical image stabilization.
  • the lens mount provided by the embodiment of the present disclosure may include a support structure 10 , and the radius of the lens module in the second direction (for example, the A3 direction shown in FIG. 7 ) is the radius of the lens 00 . And a sum of thicknesses of the support structure 10 in the second direction, the second direction being perpendicular to a direction in which the optical axis of the lens is located.
  • the second direction A3 shown in FIG. 7 may be the same as the direction A2 of the first displacement as shown in FIG. 2, or may be different from the direction A2 of the first displacement.
  • the second direction A3 as shown in FIG. 7 may be the same as the direction B2 of the second displacement as shown in FIG. 2, or may be different from the direction B2 of the second displacement.
  • the second direction A3, the direction A2 of the first displacement, the direction B2 of the second displacement, and the direction of the optical axis of the lens (for example, may be the first direction C as shown in FIG. 2) are exemplary.
  • the enumeration does not impose any limitation on the embodiments of the present disclosure. In an actual implementation, the specific implementation may be determined according to actual usage requirements, and the embodiment of the present disclosure is not limited.
  • the radius of the lens module in the second direction is the sum of the radius of the lens and the thickness of the voice coil motor in the second direction
  • the thickness of the voice coil motor in the second direction includes : lens carrier and coil thickness, magnet fixing bracket thickness, magnet thickness, gap between the lens carrier and the magnet fixing bracket, anti-shake translation gap, and voice coil motor thickness; and in the embodiment of the present disclosure, the lens module is in the second direction
  • the upper radius is the sum of the radius of the lens and the thickness of the support structure in the second direction. Since the thickness of the support structure in the second direction is much smaller than the thickness of the voice coil motor in the second direction, the lens module provided by the embodiment of the present disclosure can reduce the lens module in the second embodiment. The radius in the direction.
  • the thickness of the support structure in the second direction may be 0.25 mm, and the thickness of the magnet in the voice coil motor provided by the prior art is usually 0.3 mm to 0.35 mm. It is apparent that the thickness of the support structure in the second direction in the embodiment of the present disclosure is much smaller than the thickness of the voice coil motor in the second direction in the prior art. That is, compared with the prior art, the lens module provided by the embodiment of the present disclosure can reduce the radius of the lens module in the second direction.
  • the radius of the lens module in the second direction is the sum of the radius of the lens and the thickness of the support structure in the second direction, and the support structure is in the second direction (ie, the lens
  • the thickness in the direction perpendicular to the direction of the optical axis is generally much smaller than the thickness of the voice coil motor in the second direction in the prior art. Therefore, the radius of the lens module in the second direction is lens in the prior art.
  • the lens module in the embodiment of the present disclosure can reduce the radius of the lens module in the second direction, thereby reducing the lens module in the second direction. The size on the top.
  • Embodiments of the present disclosure provide an electronic device.
  • the electronic device can include a lens module.
  • the lens module refer to the related description of the lens module in the foregoing embodiment, and details are not described herein again.
  • the electronic device may be a mobile terminal.
  • a mobile terminal such as mobile phones, cameras, camcorders, tablets, laptops, PDAs, car terminals, wearable devices, ultra-mobile personal computers (UMPCs), netbooks or personal digital assistants (PDAs), etc. . It can be determined according to the actual use requirements, and the embodiment of the present disclosure is not limited.
  • An embodiment of the present disclosure provides an electronic device, which may include a lens module, and the lens module may include a lens and a lens holder for carrying the lens.
  • the lens module may include a lens and a lens holder for carrying the lens.
  • the photosensitive structure in the lens holder moves the first displacement under the action of an external force
  • the driving structure in the lens holder can drive the photosensitive structure to move in a direction opposite to the direction of the first displacement
  • the electronic device of the embodiment can realize optical image stabilization; on the other hand, compared with the prior art, the optical anti-shake is realized by the voice coil motor driving the lens movement, and the optical anti-shake is realized by the driving structure to realize the optical anti-shake operation. Shake, so it will not affect the lens.
  • the embodiment of the present disclosure can ensure the reliability of the lens on the basis of achieving optical image stabilization.

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Abstract

本公开实施例提供镜头座、镜头模组及电子设备，涉及光学技术领域。该镜头座用于承载镜头，该镜头座包括感光结构以及设置于该感光结构的第一侧、且与该感光结构连接的驱动结构，该感光结构的第一侧为远离该镜头的一侧，其中，该驱动结构，用于在该感光结构移动第一位移的情况下，驱动该感光结构移动第二位移，该第一位移的方向与该镜头的光轴所在方向垂直，该第二位移的方向与该第一位移的方向位于同一平面、且该第二位移的方向与该第一位移的方向相反。该镜头座可以应用于镜头模组中。

Description

镜头座、镜头模组及电子设备
相关申请的交叉引用
本申请主张在2018年03月16日提交中国专利局、申请号为201810219940.8、申请名称为“一种镜头座、镜头模组及电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本公开实施例涉及光学技术领域，尤其涉及一种镜头座、镜头模组及电子设备。
背景技术
随着光学技术的发展，很多电子设备都具备拍摄功能。在用户使用电子设备(例如相机或手机等)拍摄图像时，由于用户手部抖动可能会引起该电子设备抖动，从而导致电子设备拍摄的图像较为模糊。
目前，可以通过在电子设备中设置音圈马达，并且使得该音圈马达带动电子设备的镜头运动，以降低由于电子设备抖动对拍摄的图像的清晰度的影响(此功能可以称为光学防抖)。例如，如图1所示，镜头a固定在音圈马达b上，在镜头a受到外力的情况下，镜头a会在与该镜头a的光轴所在方向垂直的方向(例如如图1所示的A1方向或B1方向)上移动，此时，电子设备可以控制由音圈马达b带动该镜头a沿着与上述方向相反的方向(例如如图1所示的B1方向或A1方向)移动，如此可以实现光学防抖。
但是，通过设置音圈马达带动镜头运动以实现光学防抖的方式，由于在音圈马达带动镜头运动的过程中，镜头可能会产生轻微震荡，而镜头通常为精密部件，因此可能会降低镜头的可靠性。
发明内容
第一方面，本公开实施例提供了一种镜头座，该镜头座用于承载镜头，该镜头座包括感光结构以及设置于该感光结构的第一侧、且与该感光结构连接的驱动结构，该感光结构的第一侧为远离该镜头的一侧；其中，该驱动结构，用于在该感光结构移动第一位移的情况下，驱动该感光结构移动第二位移，该第一位移的方向与该镜头的光轴所在方向垂直，该第二位移的方向与该第一位移的方向位于同一平面、且该第二位移的方向与该第一位移的方向相反。
第二方面，本公开实施例提供了一种镜头模组，该镜头模组包括镜头，以及上述第一方面提供的镜头座，该镜头座用于承载该镜头。
第三方面，本公开实施例提供了一种电子设备，该电子设备包括上述第二方面提供的镜头模组。
附图说明
图1为现有技术提供的一种镜头模组的剖面图；
图2为本公开实施例提供的一种镜头座的剖面图之一；
图3为本公开实施例提供的一种镜头座的剖面图之二；
图4为本公开实施例提供的一种镜头座的剖面图之三；
图5为本公开实施例提供的一种镜头座的剖面图之四；
图6为本公开实施例提供的一种镜头座的剖面图之五；
图7为本公开实施例提供的一种镜头模组的剖面图。
附图中的标号说明：00—镜头；01—镜头座；02—感光结构；03—驱动结构；04—第一线路板；05—连接部件；06—形变部件；07—第二线路板；08—感光部件；09—滤光片；10—支撑结构；11—镜头模组。
具体实施方式
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
本文中术语“和/或”，是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。本文中符号“/”表示关联对象是或者的关系，例如A/B表示A或者B。
本公开的说明书和权利要求书中的术语“第一”和“第二”等是用于区别不同的对象，而不是用于描述对象的特定顺序。例如，第一位移和第二位移等是用于区别不同的位移，而不是用于描述位移的特定顺序。
在本公开实施例中，“示例性的”或者“例如”等词用于表示作例子、例证或说明。本公开实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言，使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念。
在本公开实施例的描述中，除非另有说明，“多个”的含义是指两个或者两个以上，例如，多个透镜是指两个或者两个以上的透镜，多个光电二极管指两个或者两个以上的光电二极管等。
下面对本公开实施例中涉及的一些术语/名词进行解释说明。
音圈马达：是指一种利用来自永久磁钢的磁场与通电线圈导体产生的磁场中磁极间的相互作用产生有规律的运动的装置，即是一种可以将电能转化为机械能的动力装置。
镜头：是指由多个透镜组成的光学装置。
镜头的光轴：是指由镜头中的多个透镜的中心形成的连线。
光学防抖：是指通过在具备拍摄图像功能的电子设备中设置特殊结构，以降低用户在使用电子设备拍摄图像过程中由于用户手部抖动对拍摄图像的清晰度的影响的功能。
形状记忆合金(shape memory alloys，SMA)：是指一种在加热升温后可以消除其在较低的温度下发生的变形，恢复其变形前原始形状的合金材料，即拥有"记忆"效应的合金。
软硬结合板：是指柔性线路板与硬性线路板，经过压合等工序，按相关工艺要求组合在一起，形成的具有柔性线路板特性与硬性线路板特性的线路板。
滤光片：是指用来选取所需辐射波段的光学器件。
本公开实施例提供一种镜头座、镜头模组及电子设备。该镜头座可以用于承载镜头， 该镜头座可以包括感光结构以及设置于该感光结构的第一侧、且与该感光结构连接的驱动结构，该感光结构的第一侧为远离该镜头的一侧。其中，该驱动结构可以用于在该感光结构移动第一位移(该第一位移的方向与镜头的光轴所在方向垂直)的情况下，驱动该感光结构移动第二位移(该第二位移的方向与该第一位移的方向位于同一平面、且该第二位移的方向与该第一位移的方向相反)。通过该方案，一方面，当镜头座中的感光结构在外力作用下移动第一位移时，由于镜头座中的驱动结构可以带动该感光结构向与该第一位移的方向相反的方向运动，因此本公开实施例的镜头座可以实现光学防抖。另一方面，与现有技术是通过音圈马达带动镜头运动实现光学防抖相比，由于本公开实施例是通过驱动结构带动感光结构运动实现光学防抖的，因此不会对镜头造成影响。如此，本公开实施例可以在实现光学防抖的基础上，保证镜头的可靠性。
如图2所示，本公开实施例提供一种镜头座01。该镜头座01可以用于承载镜头00，该镜头座01可以包括：感光结构02以及设置于该感光结构02的第一侧、且与该感光结构02连接的驱动结构03，该感光结构02的第一侧为远离该镜头00的一侧。
其中，上述驱动结构03，可以用于在上述感光结构02移动第一位移的情况下，驱动该感光结构02移动第二位移，该第一位移的方向与该镜头00的光轴所在方向垂直，该第二位移的方向与该第一位移的方向位于同一平面、且该第二位移的方向与该第一位移的方向相反。
示例性的，如图2所示，假设镜头00的光轴所在方向为C，那么第一位移的方向可以为A2，第二位移的方向可以为B2。可以理解，第一位移可以为感光结构02沿着A2方向移动一定距离，第二位移可以为感光结构02沿着B2方向移动一定距离。
具体的，本公开实施例中，在镜头座受到外力的情况下(例如，用户可以点击镜头座应用的电子设备屏幕上的拍摄控件拍摄照片或者视频，在拍摄过程中，由于用户手部(即用户拿着电子设备的手)抖动可能会引起该电子设备抖动，因此该电子设备的镜头座会受到外力)，该镜头座的感光结构可能会在与镜头的光轴所在方向垂直的方向移动一定距离(即该感光结构移动第一位移)。在该感光结构移动该第一位移的情况下，驱动结构可以驱动该感光结构在与该第一位移的方向位于同一平面、且与该第一位移的方向相反的方向上移动(即驱动该感光结构移动第二位移)，如此可以提高拍摄出的照片或者视频的清晰度，即可以实现光学防抖。
可选的，本公开实施例中，上述第一位移的大小和上述第二位移的大小可以相同，也可以不同，具体可以根据实际使用需求确定，本公开实施例不作限定。可以理解，为了更好地实现光学防抖，第一位移的大小和第二位移的大小可以相同；另外，由于实际应用中，第一位移的大小和第二位移的大小可能存在一定偏差，因此第一位移的大小和第二位移的大小也可能不同。
本公开实施例提供的镜头座，一方面，当镜头座中的感光结构在外力作用下移动第一位移时，由于镜头座中的驱动结构可以带动该感光结构向与该第一位移的方向相反的方向运动，因此本公开实施例的镜头座可以实现光学防抖；另一方面，与现有技术是通过音圈马达带动镜头运动实现光学防抖相比，由于本公开实施例是通过驱动结构带动感光结构运动实现光学防抖的，因此不会对镜头造成影响。如此，本公开实施例可以在实现光学防抖的基础上，保证镜头的可靠性。
可选的，如图2所示，本公开实施例中，上述驱动结构03，还可以用于驱动感光结构02沿着第一方向运动，该第一方向与镜头的光轴所在方向相同。具体的，驱动结构可以在控制信号的控制下驱动感光结构沿着第一方向运动。
示例性的，如图2所示，第一方向可以为C。
具体的，本公开实施例中，在拍摄照片或者视频的过程中，驱动结构可以接收处理器发送的控制信号(例如该控制信号可以为处理器发送的控制调整镜头焦距(即物距和相距之间的距离)的信号)，并且在该控制信号的控制下，驱动感光结构沿着镜头的光轴所在方向(即上述第一方向)运动，如此，可以实现镜头的光学调焦。
可选的，本公开实施例中，上述驱动结构可以驱动感光结构沿着镜头的光轴所在方向(即上述第一方向)向远离该镜头的方向运动，上述驱动结构也可以驱动感光结构沿着镜头的光轴所在方向(即上述第一方向)向靠近该镜头的方向运动。当驱动结构驱动感光结构沿着镜头的光轴所在方向向远离该镜头的方向运动时，可以实现调大焦距；当驱动结构驱动感光结构沿着镜头的光轴所在方向向靠近该镜头的方向运动，可以实现调小焦距。具体驱动感光结构运动的方向，可以根据实际使用需求确定，本公开实施例不作限定。
本公开实施例提供的镜头座，一方面，驱动结构可以驱动感光结构沿着镜头的光轴所在方向(即上述第一方向)运动，如此可以通过改变物距和相距的位置，使得被拍摄物体的成像更清晰，从而实现光学调焦。另一方面，与现有技术是通过音圈马达带动镜头运动实现光学对焦相比，由于本公开实施例是通过驱动结构带动感光结构运动实现光学对焦的，因此不会对镜头造成影响。如此，本公开实施例可以在实现光学对焦的基础上，保证镜头的可靠性。
可选的，结合图2，如图3所示，本公开实施例提供的镜头座01中，如图2所示的驱动结构03可以包括第一线路板04、M个连接部件05以及N个形变部件06。每个连接部件05的第一端与该第一线路板04连接，每个连接部件05的第二端与感光结构02连接；该N个形变部件06均位于该第一线路板04和该感光结构02之间，且每个形变部件06的第一端均与该第一线路板04连接，以及每个形变部件06的第二端均与该感光结构02连接。
其中，在上述感光结构02移动第一位移的情况下，上述N个形变部件06中的至少一个形变部件06在受热后带动该感光结构02移动第二位移，M为大于1的整数，N为正整数。
示例性的，在镜头座受到外力的情况下，该镜头座的感光结构可能会在与镜头的光轴所在方向垂直的方向移动一定距离(即该感光结构移动第一位移)，此时，处理器可以获取该第一位移的数据(例如该处理器可以通过在该感光结构上设置的运动传感器获取该第一位移的数据)，并根据该第一位移的数据计算出需要补偿的位移量，以及从N个形变部件中确定出在受热后可以带动该感光结构移动第二位移的至少一个形变部件，然后该处理器可以控制为该至少一个形变部件通电，在该至少一个形变部件通电发热后，该至少一个形变部件可以产生形变(即产生形状变化)，从而该至少一个形变部件可以带动该感光结构移动第二位移。
需要说明的是，本公开实施例中示意的各个附图均是结构的剖面图(例如镜头座的剖面图或者镜头模组的剖面图等)，在各个剖面图中，均是以2个连接部件(即M＝2)，1 个形变部件(即N＝1)为例进行示意的，在实际实现中，连接部件和形变部件的数量具体可以根据实际使用需求确定，本公开实施例不作限定。
当然，可以理解，本公开实施例中示意的各个剖面图中的各个部件的数量、形状等均是示例性的列举，其并不对本公开实施例造成任何限定。在实际实现中，各个剖面图中的各个部件的数量、形状等均可以根据实际使用需求确定，本公开实施例不作限定。
可选的，本公开实施例中，上述第一线路板可以为柔性电路板，也可以为硬性电路板，还可以为软硬结合板。具体可以根据实际使用需求确定，本公开实施例不作限定。
可选的，本公开实施例中，上述M个连接部件的材料可以为金属或者金属合金等材料，具体可以根据实际使用需求确定，本公开实施例不作限定。例如，上述M个连接部件的材料可以为金属钛。
可选的，本公开实施例中，上述M个连接部件的材料可以完全相同，也可以完全不同，还可以部分相同，具体可以根据实际使用需求确定，本公开实施例不作限定。
可选的，本公开实施例中，上述N个形变部件中的至少一个形变部件可以在受热后驱动感光结构沿着镜头的光轴所在方向(即上述第一方向)运动。
本公开实施例提供的镜头座，首先，当镜头座中的感光结构在外力作用下移动第一位移时，由于镜头座中的N个形变部件中的至少一个形变部件在受热后可以带动该感光结构向与该第一位移的方向相反的方向运动，因此本公开实施例的镜头座可以实现光学防抖；其次，与现有技术是通过音圈马达带动镜头运动实现光学防抖相比，由于本公开实施例是通过驱动结构带动感光结构运动实现光学防抖的，因此不会对镜头造成影响；再次，与现有技术是通过音圈马达带动镜头运动相比，由于本公开实施例是通过至少一个形变部件受热形变带动该感光结构运动的，而通过至少一个形变部件受热形变带动该感光结构运动的功耗远小于通过音圈马达带动镜头运动的功耗，因此本公开实施例可以降低功耗。如此，本公开实施例可以在实现光学防抖的基础上，保证镜头的可靠性，同时还可以降低功耗。
可选的，如图3所示，本公开实施例中，上述第一线路板04和上述感光结构02之间的间隙可以大于或等于预设值。
示例性的，本公开实施例中，上述第一线路板和上述感光结构之间的间隙可以为如图3所示的s。
示例性的，本公开实施例中，上述预设值可以为[0.05mm(毫米)，0.08mm]中的任意数值。当然，该预设值也可以为其它任意满足实际使用需求的数值，本公开实施例不作限定。
本公开实施例提供的镜头座，通过在第一线路板和感光结构之间设置一个间隙，可以使得该感光结构沿着第一位移的方向、第二位移的方向或者第一方向运动时，不会与该第一线路板接触，从而可以保证镜头座正常工作。
可选的，本公开实施例中，上述形变部件可以为记忆合金部件。例如，上述N个形变部件中的每个形变部件可以为记忆合金部件。
可选的，本公开实施例中，上述记忆合金部件的材料可以为形状记忆合金。当然，该记忆合金部件的材料也可以为其它任意满足实际使用需求的材料，本公开实施例不作限定。
可选的，当上述记忆合金部件的材料为形状记忆合金时，该形状记忆合金可以为金镉合金、银镉合金、铜锌合金、铜锌铝合金、铜锌锡合金、铜锡合金、铜锌镓合金、铟钛合 金、金铜锌合金、铁铂合金、钛铌合金、铀铌合金以及铁锰硅合金等形状记忆合金中的任意一种、两种或两种以上的组合。
可选的，本公开实施例中，上述N个形变部件的材料可以为上述形状记忆合金中的任意一种、两种或两种以上的组合，并且上述N个形变部件的材料可以完全相同，也可以完全不同，还可以部分相同，具体可以根据实际使用需求确定，本公开实施例不作限定。
示例性的，本公开实施例中，假设上述N个形变部件为N个形状记忆合金线材，那么每个形状记忆合金线材均位于第一线路板和感光结构之间，且每个形状记忆合金线材的一端均与该第一线路板连接，每个形状记忆合金线材的另一端均与该感光结构连接。在感光结构移动第一位移的情况下，每个形状记忆合金线材在受热后可以带动该感光结构移动第二位移(第二位移的方向与第一位移的方向位于同一个平面、且第一位移的方向与第二位移的反向相反，以及第一位移的大小可以与第二位移的大小相等)。
本公开实施例提供的镜头座，在感光结构受到外力的作用移动第一位移的情况下，可以通过记忆合金部件带动感光结构移动方向与第一位移的方向位于同一个平面、且方向与第一位移的方向相反的第二位移以实现光学防抖，并且由于该记忆合金部件的成本低于音圈马达的成本，因此本公开实施例可以在实现光学防抖的基础上，降低生产成本。
可选的，结合图3，如图4所示，本公开实施例提供的镜头座01中，如图3所示的感光结构02可以包括第二线路板07以及设置于该第二线路板07上的感光部件08。其中，该感光结构02的第一侧为该第二线路板07的、且与该感光部件08相反的一侧。每个连接部件05的第二端和每个形变部件06的第二端均与上述第二线路板07连接。
可选的，本公开实施例中，上述第二线路板可以为柔性电路板，也可以为硬性电路板，还可以为软硬结合板。具体可以根据实际使用需求确定，本公开实施例不作限定。
可选的，本公开实施例中，上述感光部件可以通过胶水粘合在第二线路板上。当然，该感光部件也可以通过其他可能的方式设置于第二线路板上，本公开实施例不作限定。
可选的，本公开实施例中，上述感光部件可以为感光芯片。该感光芯片可以为电荷耦合元件(charge-coupled device，CCD)芯片，也可以为互补金属氧化物半导体(complementary metal-oxide semiconductor，CMOS)芯片，还可以为其他能够用于感光的部件。在实际实现中，具体可以根据实际使用需求确定，本公开实施例不作限定。
示例性的，假设上述感光部件为CCD芯片，该CCD芯片表面上设置有多个光电二极管。当外界环境中的光线穿过镜头并照射在该CCD芯片表面上时，该CCD芯片表面上的光电二极管可以感应到该光线，并将该光线转换为模拟电信号，然后再将该模拟电信号经过采样放大电路以及模数转换电路处理后，转换成数字图像信号。当然，该数字图像信号可以经过压缩后保存在电子设备内部的存储设备(例如，闪速存储器或者内置硬盘卡等)中，具体存储方式可以参照现有技术中的相关存储方式，本公开实施例不予赘述。
本公开实施例提供的镜头座，通过第二线路板以及设置于该第二线路板上的感光部件，可以将镜头采集到的光学影像转换为图像信号。
可选的，结合图4，如图5所示，本公开实施例提供的镜头座01还可以包括设置于感光结构的第二侧的滤光片09，该感光结构的第二侧为第二线路板07的、且与感光部件08相同的一侧。
需要说明的是，本公开实施例中，上述滤光片可以用于透过预设波长的光线，即该滤 光片可以用于过滤掉除预设波长之外的其它波长的光线。
示例性的，本公开实施例中，上述滤光片可以为可见光滤光片、紫外光滤光片或者红外光滤光片等。例如，假设滤光片为可见光滤光片，当镜头外界环境中的光线穿过镜头中的各个透镜到达该可见光滤光片之后，该可见光滤光片可以吸收可见光波长以外的其它波长的光，如此，可见光可以透过该滤光片，并到达感光结构的第二线路板。假设滤光片为紫外光滤光片，当镜头外界环境中的光线穿过镜头中的各个透镜到达该紫外光滤光片之后，该紫外光滤光片可以吸收紫外线波长以外的其它波长的光，如此，紫外线可以透过该滤光片，并到达感光结构的第二线路板。假设滤光片为红外光滤光片，当镜头外界环境中的光线穿过镜头中的各个透镜到达该红外光滤光片之后，该红外光滤光片可以吸收红外线波长以外的其它波长的光，如此，红外线可以透过该滤光片，并到达感光结构的第二线路板。
需要说明的是，为了更清楚地示意第一线路板和感光结构之间的间隙，本公开实施例中的图3、图4以及图5均是以比较大的间隙为例示意的。在实际实现中，具体可以根据实际使用需求确定，本公开实施例不作限定。
本公开实施例提供的镜头座，通过设置于感光结构的第二侧的滤光片，当镜头外界环境中的光线穿过镜头中的各个透镜到达该滤光片之后，该滤光片可以使预设波长的光线透过该滤光片，并可以吸收除该预设波长的光线以外的其它波长的光线，从而感光结构可以将光学影像中的预设波长的光线转化为图像信号。
可选的，结合图5，如图6所示，本公开实施例提供的镜头座还可以包括支撑结构10，该支撑结构10可以用于支撑镜头00，并固定滤光片09。
可选地，本公开实施例中，上述支撑结构可以通过如图6所示的结构10(例如该结构10可以为一个支架)实现，也可以通过两个子结构组合实现(例如，一个子结构用于支撑镜头，另一个子结构用于固定滤光片，这两个子结构可以粘合在一起组合为一个支撑结构)，具体可以根据实际使用需求确定，本公开实施例不作限定。
需要说明的是，本公开实施例提供的各个附图中，第一线路板和感光结构之间间隙的尺寸均为示例性的列举。在实际实现中，第一线路板和感光结构之间间隙的尺寸具体可以根据实际使用需求确定，本公开实施例不作限定。
本公开实施例提供的镜头座，通过设置于该镜头座上的支撑结构，可以支撑镜头，并固定滤光片，同时，该支撑结构还可以对上述实施例中的第一线路板、第二线路板、M个连接部件、N个形变部件以及感光部件等起到密封和保护作用。
可以理解，本公开实施例中，上述如图2至图6任意之一所示的镜头座中，由于镜头座可以用于承载镜头00，即镜头00不属于镜头座的一部分，因此如图2至图6任意之一所示的镜头座中的镜头00均是以虚线示意的。
如图7所示，本公开实施例提供一种镜头模组11。该镜头模组11可以包括镜头00和镜头座，该镜头座可以用于承载该镜头00。该镜头座可以包括第一线路板04、连接部件05、形变部件06、第二线路板07、感光部件08、滤光片09以及支撑结构10。对于镜头座的具体描述可以参见上述实施例中的相关描述，此处不再赘述。
需要说明的是，图7是结合上述实施例中描述的如图6所示的镜头座为例进行示例性的说明的，在实际实现中，本公开实施例提供的镜头模组还可以结合上述如图2至图5任意之一所示的镜头座实现，对于镜头座的描述具体可以参见上述实施例中对如图2至图6 任意之一所示的镜头座的相关描述，此处不再赘述。
可选的，本公开实施例中，上述镜头和上述镜头座上可以分别设置有配套使用的螺纹，该螺纹可以用于将该镜头固定到该镜头座上。
本公开实施例提供一种镜头模组，该镜头模组包括镜头和用于承载该镜头的镜头座。一方面，当该镜头座中的感光结构在外力作用下移动第一位移时，由于该镜头座中的驱动结构可以带动该感光结构向与该第一位移的方向相反的方向运动，因此本公开实施例的镜头模组可以实现光学防抖；另一方面，与现有技术是通过音圈马达带动镜头运动实现光学防抖相比，由于本公开实施例是通过驱动结构带动感光结构运动实现光学防抖的，因此不会对镜头造成影响。如此，本公开实施例可以在实现光学防抖的基础上，保证镜头的可靠性。
可选的，如图7所示，本公开实施例提供的镜头座可以包括支撑结构10，镜头模组在第二方向(例如如图7所示的A3方向)上的半径为镜头00的半径与该支撑结构10在该第二方向上的厚度之和，该第二方向与该镜头的光轴所在方向垂直。
需要说明的是，本公开实施例中，如图7所示的第二方向A3可以与如图2所示的第一位移的方向A2相同，也可以与该第一位移的方向A2不同。或者如图7所示的第二方向A3可以与如图2所示的第二位移的方向B2相同，也可以与该第二位移的方向B2不同。具体的，该第二方向A3、该第一位移的方向A2、该第二位移的方向B2以及镜头的光轴所在方向(例如可以是如图2所示的第一方向C)均为示例性的列举，其并不对本公开实施例造成任何限定。在实际实现中，具体可以根据实际使用需求确定，本公开实施例不作限定。
示例性的，假设如图7所示的镜头模组在第二方向上的半径记为D，镜头00的半径记为如图7所示的d2，支撑结构10在该第二方向上的厚度记为如图7所示的d1，那么D＝d1+d2。
需要说明的是，现有技术中，镜头模组在第二方向上的半径为镜头的半径与音圈马达在第二方向上的厚度之和，该音圈马达在第二方向上的厚度包括：镜头载体与线圈厚度、磁石固定支架厚度、磁石厚度、镜头载体与磁石固定支架之间的间隙、防抖平移间隙以及音圈马达厚度；而本公开实施例中，镜头模组在第二方向上的半径为镜头的半径与该支撑结构在该第二方向上的厚度之和。由于支撑结构在第二方向上的厚度远小于音圈马达在第二方向上的厚度，因此，与现有技术相比，本公开实施例提供的镜头模组可以减小镜头模组在第二方向上的半径。
示例性的，本公开实施例中，上述支撑结构在第二方向上的厚度通常可以为0.25mm，而现有技术提供的音圈马达中的磁石的厚度通常为0.3mm-0.35mm。显然，本公开实施例中支撑结构在第二方向上的厚度远小于现有技术中音圈马达在第二方向上的厚度。即与现有技术相比，本公开实施例提供的镜头模组可以减小镜头模组在第二方向上的半径。
本公开实施例提供的镜头模组，由于镜头模组在第二方向上的半径为镜头的半径与支撑结构在第二方向上的厚度之和，而该支撑结构在第二方向(即与镜头的光轴所在方向垂直的方向)上的厚度通常远小于现有技术中的音圈马达在第二方向上的厚度，因此，与现有技术中镜头模组在第二方向上的半径为镜头的半径与音圈马达在第二方向上的厚度之和相比，本公开实施例中的镜头模组可以减小镜头模组在第二方向上的半径，从而缩小镜头模组在第二方向上的尺寸。
本公开实施例提供一种电子设备。该电子设备可以包括镜头模组。对于该镜头模组的描述，具体可以参见上述实施例中对镜头模组的相关描述，此处不再赘述。
可选的，本公开实施例中，电子设备可以为移动终端。例如手机、照相机、摄像机、平板电脑、笔记本电脑、掌上电脑、车载终端、可穿戴设备、超级移动个人计算机(ultra-mobile personal computer，UMPC)、上网本或者个人数字助理(personal digital assistant，PDA)等。具体可以根据实际使用需求确定，本公开实施例不作限定。
本公开实施例提供一种电子设备，该电子设备可以包括镜头模组，该镜头模组可以包括镜头和用于承载该镜头的镜头座。一方面，当该镜头座中的感光结构在外力作用下移动第一位移时，由于该镜头座中的驱动结构可以带动该感光结构向与该第一位移的方向相反的方向运动，因此本公开实施例的电子设备可以实现光学防抖；另一方面，与现有技术是通过音圈马达带动镜头运动实现光学防抖相比，由于本公开实施例是通过驱动结构带动感光结构运动实现光学防抖的，因此不会对镜头造成影响。如此，本公开实施例可以在实现光学防抖的基础上，保证镜头的可靠性。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
上面结合附图对本发明的实施例进行了描述，但是本发明并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本发明的启示下，在不脱离本发明宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本发明的保护之内。

Claims (11)

  1. 一种镜头座，所述镜头座用于承载镜头，所述镜头座包括感光结构以及设置于所述感光结构的第一侧、且与所述感光结构连接的驱动结构，所述感光结构的第一侧为远离所述镜头的一侧；其中，
    所述驱动结构，用于在所述感光结构移动第一位移的情况下，驱动所述感光结构移动第二位移，所述第一位移的方向与所述镜头的光轴所在方向垂直，所述第二位移的方向与所述第一位移的方向位于同一平面、且所述第二位移的方向与所述第一位移的方向相反。
  2. 根据权利要求1所述的镜头座，所述驱动结构，还用于驱动所述感光结构沿着第一方向运动，所述第一方向与所述镜头的光轴所在方向相同，所述第一位移的大小和所述第二位移的大小相同。
  3. 根据权利要求1或2所述的镜头座，所述驱动结构包括第一线路板、M个连接部件以及N个形变部件；每个连接部件的第一端与所述第一线路板连接，所述每个连接部件的第二端与所述感光结构连接；所述N个形变部件均位于所述第一线路板和所述感光结构之间，且每个形变部件的第一端均与所述第一线路板连接，以及所述每个形变部件的第二端均与所述感光结构连接；
    其中，在所述感光结构移动所述第一位移的情况下，所述N个形变部件中的至少一个形变部件在受热后带动所述感光结构移动所述第二位移，M为大于1的整数，N为正整数。
  4. 根据权利要求3所述的镜头座，所述第一线路板和所述感光结构之间的间隙大于或等于预设值。
  5. 根据权利要求3所述的镜头座，所述形变部件为记忆合金部件。
  6. 根据权利要求3所述的镜头座，所述感光结构包括第二线路板以及设置于所述第二线路板上的感光部件，所述感光结构的第一侧为所述第二线路板的、且与所述感光部件相反的一侧；
    其中，所述每个连接部件的第二端和所述每个形变部件的第二端均与所述第二线路板连接。
  7. 根据权利要求6所述的镜头座，所述镜头座还包括设置于所述感光结构的第二侧的滤光片，所述感光结构的第二侧为所述第二线路板的、且与所述感光部件相同的一侧。
  8. 根据权利要求7所述的镜头座，所述镜头座还包括支撑结构，所述支撑结构用于支撑所述镜头，并固定所述滤光片。
  9. 一种镜头模组，包括镜头，以及如权利要求1至8中任一项所述的镜头座，所述镜头座用于承载所述镜头。
  10. 根据权利要求9所述的镜头模组，所述镜头座包括支撑结构，所述镜头模组在第二方向上的半径为所述镜头的半径与所述支撑结构在所述第二方向上的厚度之和，所述第二方向与所述镜头的光轴所在方向垂直。
  11. 一种电子设备，包括如权利要求9或10所述的镜头模组。
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