WO2023280222A1 - 镜头组件和电子设备 - Google Patents

镜头组件和电子设备 Download PDF

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Publication number
WO2023280222A1
WO2023280222A1 PCT/CN2022/104162 CN2022104162W WO2023280222A1 WO 2023280222 A1 WO2023280222 A1 WO 2023280222A1 CN 2022104162 W CN2022104162 W CN 2022104162W WO 2023280222 A1 WO2023280222 A1 WO 2023280222A1
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WIPO (PCT)
Prior art keywords
liquid lens
piezoelectric element
lens
electrode
lens assembly
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2022/104162
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English (en)
French (fr)
Inventor
李俊鸿
谢承翰
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Filing date
Publication date
Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Publication of WO2023280222A1 publication Critical patent/WO2023280222A1/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
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • H—ELECTRICITY
    • 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
    • H04N23/67—Focus control based on electronic image sensor signals

Definitions

  • the present application belongs to the technical field of terminals, and in particular relates to a lens assembly and electronic equipment.
  • Liquid lenses are more and more applied to mobile phones. Different from traditional lenses, liquid lenses are optical components made of liquid without mechanical connection. During use, liquid lenses have inaccurate focus and are prone to shake problems. As a result, the camera effect is not good, and a bad experience is brought to the user.
  • the purpose of the embodiments of the present application is to provide a lens assembly and an electronic device to solve the problems of inaccurate focusing and jitter of a liquid lens.
  • the embodiment of the present application provides a lens assembly, including:
  • the imaging module is arranged on the base;
  • a liquid lens the liquid lens can be deformed, and the liquid lens can focus during the deformation process of the liquid lens, and the liquid lens and the imaging module are arranged at intervals in the axial direction of the imaging module;
  • the piezoelectric element is disposed adjacent to the liquid lens
  • the electrode is connected to the piezoelectric element, and when the electrode applies a voltage to the piezoelectric element, the piezoelectric element deforms along the axial direction of the liquid lens, and the piezoelectric element The deformation drives the deformation of the liquid lens.
  • piezoelectric elements there are multiple piezoelectric elements, and multiple piezoelectric elements are arranged on one side of the liquid lens and arranged at intervals along the circumference of the liquid lens.
  • the piezoelectric element is arranged on a side of the liquid lens close to the imaging module.
  • the electrodes include:
  • the first electrode and the second electrode, the piezoelectric element is located between the first electrode and the second electrode, the first electrode and the second electrode are arranged at intervals along the axial direction of the liquid lens .
  • An adjustment ring is arranged between the piezoelectric element and the liquid lens.
  • the base includes:
  • a housing the housing is provided with an accommodating cavity, and the imaging module is arranged in the accommodating cavity;
  • a bracket the bracket is arranged on the housing, and the liquid lens is arranged on the bracket.
  • the housing includes:
  • the accommodating cavity is provided on the first housing, and the first housing is connected to the second housing;
  • the bracket includes a leg and an annular frame body, one end of the leg is connected to the frame body, and the other end of the leg is connected to the first shell and the second shell.
  • one end of the electrode is connected to the piezoelectric element, and the other end of the electrode extends into the accommodating cavity.
  • the first cover and the second cover, both of the first cover and the second cover are ring-shaped, and the edge of the liquid lens is located between the first cover and the second cover , the second cover is disposed on the bracket.
  • the lens assembly also includes:
  • control module controls the electrodes to apply voltage to at least one piezoelectric element.
  • control module controls the electrodes to apply the same voltage to each piezoelectric element.
  • control module controls the electrodes to apply voltages to the piezoelectric elements, and the voltages applied to at least two piezoelectric elements are different.
  • an embodiment of the present application provides an electronic device, including the lens assembly described in the foregoing embodiment.
  • the lens assembly of the embodiment of the present application includes: a base; an imaging module, the imaging module is arranged on the base; a liquid lens, the liquid lens is deformable, and the liquid lens is deformed during the deformation process of the liquid lens
  • the liquid lens can be focused, and the liquid lens and the imaging module are arranged at intervals in the axial direction of the imaging module; the piezoelectric element is arranged adjacent to the liquid lens; the electrode, the An electrode is connected to the piezoelectric element, and when the electrode applies a voltage to the piezoelectric element, the piezoelectric element deforms along the axial direction of the liquid lens, and the deformation of the piezoelectric element drives the Liquid lens distortion.
  • the liquid lens is deformable, and the piezoelectric element is arranged adjacent to the liquid lens, and a voltage can be applied to the piezoelectric element through the electrode, and when the electrode applies a voltage to the piezoelectric element , the piezoelectric element can be deformed along the axial direction of the liquid lens, the deformation of the piezoelectric element drives the deformation of the liquid lens, and the deformation of the liquid lens can be controlled as required, and the focusing of the lens can be made by the deformation of the liquid lens It is more accurate, and can also avoid the problem of lens shaking and improve the imaging effect; the displacement change during driving is more accurate by driving the deformation of the liquid lens through the piezoelectric element, and the displacement deviation in the direction perpendicular to the optical axis of the liquid lens is less likely to occur. Move, take up less space, and improve user experience.
  • FIG. 1 is a schematic structural view of a lens assembly in an embodiment of the present application
  • Fig. 2 is a schematic diagram of piezoelectric element driving liquid lens deformation
  • FIG. 3 is another schematic structural view of the lens assembly in the embodiment of the present application.
  • Fig. 4 is an exploded schematic diagram of the lens assembly in the embodiment of the present application.
  • Fig. 5 is a schematic structural diagram of the cooperation between the electrode and the liquid lens
  • Fig. 6 is another structural schematic diagram of the cooperation between the electrode and the liquid lens
  • Fig. 7 is a schematic diagram when the lens assembly is at a normal focal length
  • FIG. 8 is a schematic diagram of the lens assembly focusing
  • FIG. 9 is a schematic diagram of the anti-shake of the lens assembly.
  • Imaging module 10 first housing 11; second housing 12; base 13; bottom plate 14;
  • Liquid lens 20 first cover 21; second cover 22;
  • the lens assembly provided by the embodiment of the present application will be described in detail below through specific embodiments and application scenarios as shown in FIG. 1 to FIG. 9 .
  • the embodiment of the present application provides a lens assembly, including: a base, an imaging module 10, a liquid lens 20, a piezoelectric element 30 and electrodes, wherein the imaging module 10 is arranged on the base
  • the base may be provided with an accommodating cavity, and the imaging module 10 may be placed in the accommodating cavity to protect the imaging module 10 .
  • the liquid lens 20 can be deformed. During the deformation process of the liquid lens 20, the liquid lens 20 can focus. When the liquid lens 20 needs to be focused, the liquid lens 20 can be deformed accordingly, and then the liquid lens 20 can be precisely focused.
  • the liquid lens 20 and the imaging module 10 are arranged at intervals in the axial direction of the imaging module 10, the axes of the liquid lens 20 and the imaging module 10 can be collinear, and the piezoelectric element 30 can be arranged adjacent to the liquid lens 20, for example, piezoelectric
  • the element 30 can be arranged on one side or both sides of the liquid lens 20 , the piezoelectric element 30 can abut against the surface of the liquid lens 20 , and the piezoelectric element 30 can also be separated from the surface of the liquid lens 20 by a certain distance.
  • the electrodes can be connected to the piezoelectric element 30, and a voltage can be applied to the piezoelectric element 30 through the electrodes.
  • the piezoelectric element 30 can deform along the axial direction of the liquid lens 20.
  • the deformation of the element 30 can drive the liquid lens 20 to deform, and the deformation of the liquid lens 20 can make the focus of the lens more precise, and can also avoid the problem of lens shaking.
  • the liquid lens 20 can be deformed, the piezoelectric element 30 can be arranged adjacent to the liquid lens 20, and a voltage can be applied to the piezoelectric element 30 through the electrodes.
  • the electric element 30 can be deformed along the axial direction of the liquid lens 20, the deformation of the piezoelectric element 30 drives the deformation of the liquid lens 20, and the deformation of the liquid lens 20 can be controlled as required, and the focus of the liquid lens 20 can be adjusted through the deformation of the liquid lens 20, which can It makes the focus of the lens more precise, and can also avoid the problem of lens shaking, and improve the camera effect.
  • driving the deformation of the liquid lens 20 through the piezoelectric element 30 can make the displacement change during driving more accurate, and the displacement deviation in the direction perpendicular to the optical axis of the liquid lens is less likely to occur, occupying a small space, and improving user experience.
  • a plurality of piezoelectric elements 30 can be evenly spaced along the circumference of the liquid lens 20, and force can be applied to different parts of the liquid lens 20 according to actual needs, so that the liquid lens 20 produces different deformations, thereby realizing the liquid lens. 20's precise focus and anti-shake.
  • the piezoelectric element 30 can be arranged on the side of the liquid lens 20 close to the imaging module 10 , which is convenient for installation and cooperation, for applying force, and for protecting the piezoelectric element 30 through the liquid lens 20 .
  • the electrodes may include: a first electrode 41 and a second electrode 42 , and the piezoelectric element 30 may be located between the first electrode 41 and the second electrode 42 Between, the first electrode 41 and the second electrode 42 can be arranged at intervals along the axial direction of the liquid lens 20, the first electrode 41 can be located between the piezoelectric element 30 and the liquid lens 20, through the first electrode 41 and the second electrode 42 A voltage can be applied to the piezoelectric element 30 so that the liquid lens 20 is deformed. This application utilizes the characteristics of the inverse piezoelectric effect.
  • the piezoelectric element 30 When the electrodes apply voltage to the piezoelectric element 30, since the displacement parallel to the optical axis is proportional to the voltage, the piezoelectric element 30 is driven to produce proportional compression or stretching along the optical axis. Displacement (compression and stretching voltage directions are opposite), so that it can precisely control the displacement on the optical axis, so as to realize the precise control function of lens focusing and anti-shake.
  • the first electrode 41 and the second electrode 42 can be respectively led out to be connected with a terminal device (such as a mobile phone) to drive a voltage, so that the piezoelectric element 30 produces a compression or tension displacement along the optical axis.
  • the lens assembly further includes: an adjustment ring 50, the adjustment ring 50 can be arranged between the piezoelectric element 30 and the liquid lens 20, in When the piezoelectric element 30 is deformed, the piezoelectric element 30 exerts a force on the adjustment ring 50, the liquid lens 20 can be deformed through the adjustment ring 50, and the displacement generated by the piezoelectric element 30 can be evenly transmitted to the liquid lens through the adjustment ring 50. On the lens 20, precise focusing and anti-shake of the liquid lens 20 can be realized.
  • the liquid lens 20 can be circular, and the axis of the adjustment ring 50 can be collinear with the axis of the liquid lens 20, so that the displacement generated by the piezoelectric element 30 can be evenly transmitted to the liquid lens 20 through the adjustment ring 50, so that the liquid lens 20 Accurate focusing and anti-shake are possible.
  • the piezoelectric element 30 may be arranged on the side of the liquid lens 20 away from the imaging module 10 , and the piezoelectric element 30 may abut against or be connected to the surface of the liquid lens 20 on the side away from the imaging module 10 ,
  • the piezoelectric element 30 can stop at the edge area of the liquid lens 20, and a voltage can be applied to the piezoelectric element 30 through the electrodes.
  • the deformation in the axial direction of the piezoelectric element 30 can drive the deformation of the liquid lens 20, and the deformation of the liquid lens 20 can make the focus of the lens more accurate, and can also avoid the problem of lens shaking.
  • the number of piezoelectric elements 30 can be multiple, such as two or four, and a plurality of piezoelectric elements 30 can be evenly spaced along the circumference of the liquid lens 20, and the electrodes can be controlled to apply the same pressure to each piezoelectric element 30. Voltage, so that each piezoelectric element 30 produces the same force, so that the liquid lens 20 can produce uniform and symmetrical deformation, and then the precise focusing of the liquid lens 20 can be realized. Voltage can be applied to one or more piezoelectric elements 30 as required, so that the liquid lens 20 can produce the required deformation, and then realize precise focusing and anti-shake of the liquid lens 20 .
  • the base may include a housing and a bracket, wherein the housing is provided with an accommodation chamber, the imaging module 10 may be disposed in the accommodation chamber, the imaging module 10 may be protected through the accommodation chamber, and the bracket is disposed in the housing.
  • the liquid lens 20 is arranged on the bracket, and the liquid lens 20 is spaced apart from the imaging module 10 by a certain distance.
  • the bracket may include a leg 51 and an annular frame body 52
  • the liquid lens 20 may be arranged on the frame body 52
  • the axes of the liquid lens 20 and the frame body 52 may be collinear
  • the legs 51 can have a plurality, such as four, a plurality of legs 51 can be evenly spaced along the circumference of the frame body 52, one end of the legs 51 can be connected to the frame body 52, and the other end of the legs 51 can be connected to the first housing 11 is connected to the second shell 12, optionally, the other end of the leg 51 can be located between the first shell 11 and the second shell 12, and the leg 51 can be fixed through the first shell 11 and the second shell 12 , play a role in constraining the displacement of the bracket.
  • the first housing 11 may include a base 13 and a bottom plate 14, the base 13 is provided with a cavity penetrating along the length direction of the base 13, the bottom plate 14 is fixedly connected to one end of the base 13, The bottom plate 14 and the base 13 form an accommodation cavity, so that the imaging module 10 can be installed through the accommodation cavity.
  • the base 13 can be provided with a raised portion, and the second electrode 42 can be attached and fixed on the raised portion.
  • the housing 12 can function to protect the components inside the housing.
  • one end of the electrode can be connected to the piezoelectric element 30, and the other end of the electrode can extend into the housing cavity, and can extend along the inner side wall of the housing cavity; optionally, the other end of the electrode can extend from the inner side of the housing cavity
  • the wall is extended to facilitate the routing of electrodes and reduce space occupation.
  • one end of the electrode can be attached between the base 13 and the piezoelectric element 30, and evenly distributed inside the liquid lens 20 around the vertical optical axis, and the other end of the electrode can be routed through the first housing 11 Concentrated on both sides of the shell.
  • the other end of the electrode may be electrically connected to the flexible circuit board, and the flexible circuit board may be extended along the inner side wall of the accommodating chamber.
  • the lens assembly may further include: a first cover 21 and a second cover 22 , and the first cover 21 and the second cover 22 Can be all annular, the edge of liquid lens 20 can be positioned between the first cover body 21 and the second cover body 22, the liquid lens 20 can be circular, the axis of liquid lens 20 can be with the first cover body 21 and the second cover body 22.
  • the axes of the cover body 22 are collinear, and the second cover body 22 is arranged on the bracket.
  • the first cover body 21 and the second cover body 22 can play a role in restricting the displacement of the liquid lens and the deformation of the outer profile.
  • the lens assembly may further include: a control module, the control module may control the electrodes to apply voltage to at least one piezoelectric element 30, and the control module may control the electrodes to apply voltage to one or more piezoelectric elements as required. 30 to apply voltage, so that the liquid lens 20 produces the required deformation, and then realizes the precise focus and anti-shake of the liquid lens 20 .
  • control module can control the electrodes to apply the same voltage to each piezoelectric element 30, so that each piezoelectric element 30 produces the same deformation, so that the liquid lens 20 can focus precisely .
  • the control module may control the electrodes to apply voltage to the piezoelectric elements 30, and the voltages applied to at least two piezoelectric elements 30 are different, for example, when the lens shakes At this time, the voltages applied to at least two piezoelectric elements 30 can be controlled to be different, so that different parts of the liquid lens 20 are deformed, thereby playing the role of anti-shake.
  • each piezoelectric element 30 can be individually controlled to generate displacements through different deformations, so that the liquid lens 20 can achieve focus or anti-shake.
  • the adjustment ring 50 does not squeeze the liquid lens 20, which is the normal focal length at this time;
  • the ring 50 moves along the optical axis of the lens to squeeze the liquid lens 20; as shown in Figure 9, during anti-shake, the focus object can be tracked through the influence algorithm, and the amount of displacement compensation generated by each piezoelectric element 30 can be controlled to achieve anti-shake.
  • An embodiment of the present application provides an electronic device, including the lens assembly described in the foregoing embodiments.
  • the electronic device with the lens assembly in the above embodiment can make the focusing of the lens more precise, avoid the problem of lens shaking, and improve the shooting effect.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.

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

Abstract

本申请公开了一种镜头组件和电子设备，镜头组件包括：基座；成像模组，成像模组设在基座上；液态镜头，液态镜头可形变，在液态镜头形变的过程中液态镜头可对焦，液态镜头与成像模组在成像模组的轴向方向上间隔设置；压电元件，压电元件邻近液态镜头设置；电极，电极与压电元件连接，在电极向压电元件施加电压的情况下，压电元件沿液态镜头的轴向方向形变，压电元件形变驱动液态镜头形变。

Description

镜头组件和电子设备
相关申请的交叉引用
本申请要求在2021年07月08日提交中国专利局、申请号为202110771199.8、名称为“镜头组件和电子设备”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
本申请属于终端技术领域，具体涉及一种镜头组件和电子设备。
背景技术
液态镜头越来越多应用到手机上，与传统镜头有所不同，液态镜头是液体制成的无机械连接的光学元件，在使用过程中，液态镜头出现对焦不精确，容易出现抖动的问题，导致摄像效果不好，给用户带来不好的体验。
发明内容
本申请实施例的目的是提供一种镜头组件和电子设备，用以解决液态镜头对焦不精确以及出现抖动的问题。
第一方面，本申请实施例提供了一种镜头组件，包括：
基座；
成像模组，所述成像模组设在所述基座上；
液态镜头，所述液态镜头可形变，在所述液态镜头形变的过程中所述液态镜头可对焦，所述液态镜头与所述成像模组在所述成像模组的轴向方向上间隔设置；
压电元件，所述压电元件邻近所述液态镜头设置；
电极，所述电极与所述压电元件连接，在所述电极向所述压电元件施加电压的情况下，所述压电元件沿所述液态镜头的轴向方向形变，所述压电元件形变驱动所述液态镜头形变。
其中，所述压电元件具有多个，多个所述压电元件设置于所述液态镜头 的一侧且沿所述液态镜头的周向间隔设置。
其中，所述压电元件设置于所述液态镜头的靠近所述成像模组的一侧。
其中，所述电极包括：
第一电极与第二电极，所述压电元件位于所述第一电极与所述第二电极之间，所述第一电极与所述第二电极沿所述液态镜头的轴向方向间隔设置。
其中，还包括：
调节环，所述调节环设置于所述压电元件与所述液态镜头之间。
其中，所述基座包括：
壳体，所述壳体上设有容纳腔，所述成像模组设在所述容纳腔中；
支架，所述支架设在所述壳体上，所述液态镜头设置于所述支架上。
其中，所述壳体包括：
第一壳体与第二壳体，所述容纳腔设在所述第一壳体上，所述第一壳体与所述第二壳体连接；
所述支架包括支脚和环形的架体，所述支脚的一端与所述架体连接，所述支脚的另一端和所述第一壳体与所述第二壳体连接。
其中，所述电极的一端与所述压电元件连接，所述电极的另一端延伸至所述容纳腔中。
其中，还包括：
第一盖体与第二盖体，所述第一盖体与所述第二盖体均为环状，所述液态镜头的边缘位于所述第一盖体与所述第二盖体之间，所述第二盖体设置于所述支架上。
其中，所述镜头组件还包括：
控制模组，所述控制模组控制所述电极向至少一个所述压电元件施加电压。
其中，所述压电元件具有多个，所述控制模组控制所述电极向每个所述压电元件施加相同的电压。
其中，所述压电元件具有多个，所述控制模组控制所述电极向所述压电 元件施加电压，且至少两个所述压电元件上所施加的电压不同。
第二方面，本申请实施例提供了一种电子设备，包括上述实施例中所述的镜头组件。
本申请实施例的镜头组件，包括：基座；成像模组，所述成像模组设在所述基座上；液态镜头，所述液态镜头可形变，在所述液态镜头形变的过程中所述液态镜头可对焦，所述液态镜头与所述成像模组在所述成像模组的轴向方向上间隔设置；压电元件，所述压电元件邻近所述液态镜头设置；电极，所述电极与所述压电元件连接，在所述电极向所述压电元件施加电压的情况下，所述压电元件沿所述液态镜头的轴向方向形变，所述压电元件形变驱动所述液态镜头形变。在本申请的镜头组件中，液态镜头可形变，压电元件邻近所述液态镜头设置，通过所述电极可以向所述压电元件施加电压，在电极向所述压电元件施加电压的情况下，所述压电元件可以沿所述液态镜头的轴向方向形变，所述压电元件形变驱动所述液态镜头形变，可以根据需要控制液态镜头的形变，通过液态镜头的形变可以使得镜头的对焦更精确，还可以避免镜头出现抖动的问题，提高摄像效果；通过压电元件驱动所述液态镜头形变使得驱动时的位移变化更精确，不易出现在垂直于液态镜头的光轴方向上的位移偏移，占用空间小，提高用户的使用体验。
附图说明
图1为本申请实施例中镜头组件的一个结构示意图；
图2为压电元件驱动液态镜头形变的一个示意图；
图3为本申请实施例中镜头组件的另一个结构示意图；
图4为本申请实施例中镜头组件的一个爆炸示意图；
图5为电极与液态镜头配合的一个结构示意图；
图6为电极与液态镜头配合的另一个结构示意图；
图7为镜头组件处于常态焦距时的一个示意图；
图8为镜头组件对焦时的一个示意图；
图9为镜头组件防抖时的一个示意图。
附图标记
成像模组10；第一壳体11；第二壳体12；底座13；底板14；
液态镜头20；第一盖体21；第二盖体22；
压电元件30；
第一电极41；第二电极42；
调节环50；支脚51；架体52。
具体实施例
下面将结合本申请实施例中的附图，对本申请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申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，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，都属于本申请保护的范围。
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，而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”，一般表示前后关联对象是一种“或”的关系。
下面结合附图1至图9所示，通过具体的实施例及其应用场景对本申请实施例提供的镜头组件进行详细地说明。
如图1至图9所示，本申请实施例提供一种镜头组件，包括：基座、成像模组10、液态镜头20、压电元件30和电极，其中，成像模组10设在基座上，基座上可以设置有容纳腔，可以将成像模组10设在容纳腔中，以保护成像模组10。液态镜头20可以形变，在液态镜头20形变的过程中，液态镜头20可对焦，在需要液态镜头20对焦的情况下，可以让液态镜头20产 生相应的形变，进而将液态镜头20进行精准对焦。液态镜头20与成像模组10在成像模组10的轴向方向上间隔设置，液态镜头20与成像模组10的轴线可以共线，压电元件30可以邻近液态镜头20设置，比如，压电元件30可以设置在液态镜头20的一侧或两侧，压电元件30可以止抵在液态镜头20的表面，压电元件30还可以与液态镜头20的表面间隔一定的间距。电极与压电元件30可以连接，通过电极可以向压电元件30施加电压，在电极向压电元件30施加电压的情况下，压电元件30可以沿液态镜头20的轴向方向形变，压电元件30形变可以驱动液态镜头20形变，通过液态镜头20的形变可以使得镜头对焦更精确，还可以避免镜头出现抖动的问题。
在本申请的镜头组件中，液态镜头20可以形变，压电元件30可以邻近液态镜头20设置，通过电极可以向压电元件30施加电压，在电极向压电元件30施加电压的情况下，压电元件30可以沿液态镜头20的轴向方向形变，压电元件30形变驱动液态镜头20形变，可以根据需要控制液态镜头20的形变，通过液态镜头20的形变可以调节液态镜头20的对焦，可以使得镜头的对焦更精确，还可以避免镜头出现抖动的问题，提高摄像效果。另外，通过压电元件30驱动液态镜头20形变可以使得驱动时的位移变化更精确，不易出现在垂直于液态镜头的光轴方向上的位移偏移，占用空间小，提高用户的使用体验。
在一些实施例中，压电元件30可以具有多个，比如四个，多个压电元件30可以设置于液态镜头20的一侧，且多个压电元件30可以沿液态镜头20的周向间隔设置，多个压电元件30可以沿液态镜头20的周向均匀间隔设置，可以根据实际需要在液态镜头20的不同部位施加作用力，以使得液态镜头20产生不同的形变，进而实现液态镜头20的精确对焦和防抖动。其中，压电元件30可以设置于液态镜头20的靠近成像模组10的一侧，便于安装配合，有利于施加作用力，便于通过液态镜头20保护压电元件30。
根据一些实施例，如图2、图4、图5至图9所示，电极可以包括：第一电极41与第二电极42，压电元件30可以位于第一电极41与第二电极42 之间，第一电极41与第二电极42可以沿液态镜头20的轴向方向间隔设置，第一电极41可以位于压电元件30与液态镜头20之间，通过第一电极41与第二电极42可以向压电元件30施加电压，使得液态镜头20产生形变。本申请利用逆压电效应的特点，当电极向压电元件30施加电压时，由于平行于光轴方向的位移和电压成正比，压电元件30受驱动产生沿光轴的正比例压缩或拉伸位移(压缩和拉伸的电压方向相反)，使其能精准控制在光轴上的位移，从而实现镜头的对焦和防抖精准控制功能。第一电极41与第二电极42可以分别引出连线，由终端设备(比如手机)给电压驱动，使得压电元件30产生沿光轴方向的压缩或拉伸位移。
在本申请的实施例中，如图2、图4、图7至图9所示，镜头组件还包括：调节环50，调节环50可以设置于压电元件30与液态镜头20之间，在压电元件30形变的情况下，压电元件30对调节环50施加作用力，通过调节环50可以使得液态镜头20产生形变，通过调节环50可以将压电元件30产生的位移均匀传递至液态镜头20上，进而可以实现液态镜头20的精确对焦和防抖动。压电元件30可以具有多个，多个压电元件30可以沿着调节环50的周向均匀设置，以便通过调节环50可以对液态镜头20施加均匀稳定的作用力。液态镜头20可以呈圆形，调节环50的轴线可以与液态镜头20的轴线共线，以便通过调节环50可以将压电元件30产生的位移均匀传递至液态镜头20上，以使液态镜头20可以精确对焦和防抖动。
在一些实施例中，压电元件30可以设置在液态镜头20的远离成像模组10的一侧，压电元件30可以止抵或连接在液态镜头20的远离成像模组10的一侧表面，比如，压电元件30可以止抵在液态镜头20的边缘区域，通过电极可以向压电元件30施加电压，在电极向压电元件30施加电压的情况下，压电元件30可以沿液态镜头20的轴向方向形变，压电元件30形变可以驱动液态镜头20形变，通过液态镜头20的形变可以使得镜头对焦更精确，还可以避免镜头出现抖动的问题。
压电元件30的数量可以为多个，比如两个或四个，多个压电元件30可 以沿着液态镜头20的周向均匀间隔设置，可以控制电极向每个压电元件30施加相同的电压，使得每个压电元件30产生相同的作用力，以使得液态镜头20可以产生均匀对称的形变，进而可以实现液态镜头20的精确对焦。可以根据需要向一个或多个压电元件30施加电压，从而使得液态镜头20产生所需的形变，进而实现液态镜头20的精确对焦和防抖动。比如，压电元件30可以具有多个，通过电极可以向至少两个压电元件30上施加不同的电压，以使得液态镜头20的不同部位发生形变，通过不同的形变产生位移量，从而起到防抖的作用。
在一些实施例中，基座可以包括壳体和支架，其中，壳体上设有容纳腔，成像模组10可以设在容纳腔中，通过容纳腔可以保护成像模组10，支架设在壳体上，液态镜头20设置于支架上，液态镜头20与成像模组10间隔开一定的间距。
在本申请的实施例中，如图3、图4、图7至图9所示，壳体可以包括：第一壳体11与第二壳体12，容纳腔可以设在第一壳体11上，第一壳体11与第二壳体12连接，支架可以包括支脚51和环形的架体52，液态镜头20可以设置于架体52上，液态镜头20与架体52的轴线可以共线，支脚51可以具有多个，比如四个，多个支脚51可以沿架体52的周向均匀间隔设置，支脚51的一端可以与架体52连接，支脚51的另一端可以和第一壳体11与第二壳体12连接，可选地，支脚51的另一端可以位于第一壳体11与第二壳体12之间，通过第一壳体11与第二壳体12可以固定支脚51，起到约束支架位移的作用。
其中，如图3和图4所示，第一壳体11可以包括底座13和底板14，底座13上设有沿底座13的长度方向贯穿的腔体，底板14与底座13的一端固定连接，底板14与底座13构成容纳腔，以通过容纳腔安装成像模组10，底座13可以设有凸起部，第二电极42可以贴附固定在凸起部，通过第一壳体11与第二壳体12可以起到保护壳体内的元件的作用。
可选地，电极的一端可以与压电元件30连接，电极的另一端可以延伸 至容纳腔中，可以沿着容纳腔的内侧壁延伸；可选地，电极的另一端可以从容纳腔的内侧壁延伸出，便于电极的走线，减小空间的占用。
可选地，电极的一端可以贴附于底座13和压电元件30之间，且围绕竖直光轴在液态镜头20的内侧均匀分布，电极的另一端可以通过第一壳体11内部走线集中分布于壳体的两侧。可选地，电极的另一端可以与柔性电路板电连接，柔性电路板可以沿着容纳腔的内侧壁延伸设置。
在一些实施例中，如图3、图4、图7至图9所示，镜头组件还可以包括：第一盖体21与第二盖体22，第一盖体21与第二盖体22可以均为环状，液态镜头20的边缘可以位于第一盖体21与第二盖体22之间，液态镜头20可以为圆形，液态镜头20的轴线可以和第一盖体21与第二盖体22的轴线共线，第二盖体22设置于支架上，通过第一盖体21与第二盖体22可以起到约束液态镜头位移和外廓形变的作用。
在本申请的实施例中，镜头组件还可以包括：控制模组，控制模组可以控制电极向至少一个压电元件30施加电压，控制模组可以根据需要控制电极向一个或多个压电元件30施加电压，从而使得液态镜头20产生所需的形变，进而实现液态镜头20的精确对焦和防抖动。
根据一些实施例，压电元件30可以具有多个，控制模组可以控制电极向每个压电元件30施加相同的电压，使得每个压电元件30产生相同的形变，以便液态镜头20精确对焦。
根据另一些实施例，压电元件30可以具有多个，控制模组可以控制电极向压电元件30施加电压，且至少两个压电元件30上所施加的电压不同，比如，当镜头出现抖动时，可以控制至少两个压电元件30上所施加的电压不同，以使得液态镜头20的不同部位发生形变，从而起到防抖的作用。
在应用过程中，各个压电元件30可以单独控制，通过不同的形变产生位移量，进而使得液态镜头20可以实现对焦或防抖。常态时，如图7所示，调节环50未挤压液态镜头20，此时为常态焦距；如图8所示，对焦时，四个压电元件30可以产生相等的位移差变化，使得调节环50沿镜头光轴移动 来挤压液态镜头20；如图9所示，防抖时，可以通过影响算法追踪对焦对象，并控制各压电元件30产生位移补偿量，从而实现防抖。
本申请实施例提供一种电子设备，包括上述实施例中所述的镜头组件。具有上述实施例中镜头组件的电子设备，可以使得镜头的对焦更精确，还可以避免镜头出现抖动的问题，提高摄像效果。
上面结合附图对本申请的实施例进行了描述，但是本申请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申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本公开的范围。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本公开各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。

Claims (13)

  1. 一种镜头组件，其中，包括：
    基座；
    成像模组，所述成像模组设在所述基座上；
    液态镜头，所述液态镜头可形变，在所述液态镜头形变的过程中所述液态镜头可对焦，所述液态镜头与所述成像模组在所述成像模组的轴向方向上间隔设置；
    压电元件，所述压电元件邻近所述液态镜头设置；
    电极，所述电极与所述压电元件连接，在所述电极向所述压电元件施加电压的情况下，所述压电元件沿所述液态镜头的轴向方向形变，所述压电元件形变驱动所述液态镜头形变。
  2. 根据权利要求1所述的镜头组件，其中，所述压电元件具有多个，多个所述压电元件设置于所述液态镜头的一侧且沿所述液态镜头的周向间隔设置。
  3. 根据权利要求1所述的镜头组件，其中，所述压电元件设置于所述液态镜头的靠近所述成像模组的一侧。
  4. 根据权利要求1所述的镜头组件，其中，所述电极包括：
    第一电极与第二电极，所述压电元件位于所述第一电极与所述第二电极之间，所述第一电极与所述第二电极沿所述液态镜头的轴向方向间隔设置。
  5. 根据权利要求1所述的镜头组件，其中，还包括：
    调节环，所述调节环设置于所述压电元件与所述液态镜头之间。
  6. 根据权利要求1所述的镜头组件，其中，所述基座包括：
    壳体，所述壳体上设有容纳腔，所述成像模组设在所述容纳腔中；
    支架，所述支架设在所述壳体上，所述液态镜头设置于所述支架上。
  7. 根据权利要求6所述的镜头组件，其中，所述壳体包括：
    第一壳体与第二壳体，所述容纳腔设在所述第一壳体上，所述第一壳体 与所述第二壳体连接；
    所述支架包括支脚和环形的架体，所述支脚的一端与所述架体连接，所述支脚的另一端和所述第一壳体与所述第二壳体连接。
  8. 根据权利要求6所述的镜头组件，其中，所述电极的一端与所述压电元件连接，所述电极的另一端延伸至所述容纳腔中。
  9. 根据权利要求6所述的镜头组件，其中，还包括：
    第一盖体与第二盖体，所述第一盖体与所述第二盖体均为环状，所述液态镜头的边缘位于所述第一盖体与所述第二盖体之间，所述第二盖体设置于所述支架上。
  10. 根据权利要求1所述的镜头组件，其中，所述镜头组件还包括：
    控制模组，所述控制模组控制所述电极向至少一个所述压电元件施加电压。
  11. 根据权利要求10所述的镜头组件，其中，所述压电元件具有多个，所述控制模组控制所述电极向每个所述压电元件施加相同的电压。
  12. 根据权利要求10所述的镜头组件，其中，所述压电元件具有多个，所述控制模组控制所述电极向所述压电元件施加电压，且至少两个所述压电元件上所施加的电压不同。
  13. 一种电子设备，其中，包括如权利要求1-12中任一项所述的镜头组件。
PCT/CN2022/104162 2021-07-08 2022-07-06 镜头组件和电子设备 Ceased WO2023280222A1 (zh)

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