WO2022135263A1 - 摄像头模组及电子设备 - Google Patents

摄像头模组及电子设备 Download PDF

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Publication number
WO2022135263A1
WO2022135263A1 PCT/CN2021/138708 CN2021138708W WO2022135263A1 WO 2022135263 A1 WO2022135263 A1 WO 2022135263A1 CN 2021138708 W CN2021138708 W CN 2021138708W WO 2022135263 A1 WO2022135263 A1 WO 2022135263A1
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WIPO (PCT)
Prior art keywords
lens
transmission member
camera module
guide structure
lens barrel
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Application number
PCT/CN2021/138708
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English (en)
French (fr)
Inventor
牛志皓
成东村
何宗文
罗政军
张小南
陈广龙
Original Assignee
维沃移动通信有限公司
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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
Publication of WO2022135263A1 publication Critical patent/WO2022135263A1/zh

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    • 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
    • G02B7/10Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens

Definitions

  • the present application belongs to the field of camera technology, and specifically relates to a camera module and an electronic device.
  • camera has become an indispensable function of electronic equipment, and is used more and more in daily life, and users have higher and higher requirements for camera performance.
  • the number of camera modules is continuously increased on electronic equipment, including main camera, portrait camera, telephoto camera, wide-angle camera, macro camera, Camera modules with different functions such as virtual cameras.
  • main camera portrait camera
  • telephoto camera wide-angle camera
  • macro camera macro camera
  • Camera modules with different functions such as virtual cameras.
  • the purpose of the embodiments of the present application is to provide a camera module and an electronic device, which can solve the problem that the existing camera module occupies a large space of the electronic device.
  • an embodiment of the present application provides a camera module, the camera module includes: a module housing, a photosensitive chip, a lens module, a first lens barrel and a first lens, wherein,
  • the lens module and the photosensitive chip are arranged opposite to each other, and both are arranged in the module housing;
  • the first lens barrel is movably disposed on the module housing, the first lens is disposed on the first lens barrel, the first lens is disposed opposite the lens module, and the first lens A lens can move along the optical axis of the lens module along with the first lens barrel;
  • the lens module includes a second lens, and the second lens and the first lens are arranged in sequence in the direction of the optical axis.
  • an embodiment of the present application provides an electronic device, where the electronic device includes the camera module described above.
  • the first lens can follow the first lens barrel to move along the optical axis of the lens module, and the external light can enter from the first lens, pass through the second lens, and finally be received by the photosensitive chip , therefore, when the user shoots a near scene, the first lens barrel can be hidden in the module housing, and when the user shoots a distant scene, the first lens barrel can be exposed outside the module housing, so that the camera model can be realized.
  • group zoom function Since the first lens can be moved to realize zooming, a single first lens can be applied to different application scenarios, so that the electronic device can meet the needs of users in different scenarios through fewer lenses, which can solve the problem that the camera module occupies The problem of larger space for electronic equipment.
  • FIG. 1 is a schematic structural diagram of a camera module disclosed in an embodiment of the present application when it is in a first state
  • Fig. 2 is the sectional view of Fig. 1;
  • FIG. 3 is a schematic structural diagram of the camera module disclosed in the embodiment of the present application when it is in a second state;
  • Fig. 4 is the sectional view of Fig. 3;
  • Fig. 5 is a partial structural schematic diagram of the structure shown in Fig. 4;
  • Fig. 6 is the partial enlarged structure schematic diagram of A place in Fig. 5;
  • FIG. 3 are partial structural schematic views of the structure shown in FIG. 3;
  • FIG. 13 is a schematic structural diagram of the focusing drive mechanism of the camera module disclosed in the embodiment of the application and the lens module assembled;
  • FIG. 14 is a schematic structural diagram of the structure shown in FIG. 13 in one state
  • FIG. 15 is a schematic structural diagram of the structure shown in FIG. 13 in another state.
  • 300-lens module 300-lens module, 310-second lens, 320-lens bracket, 321-fifth matching protrusion;
  • 500-zoom drive mechanism 510-zoom drive source, 520-first transmission member, 521-first spiral guide structure, 522-third spiral guide structure, 523-first drive tooth, 530-second transmission member, 531 - the second helical guide structure, 532 - the third matching protrusion, 533 - the fourth helical guide structure, 540 - the first transmission gear;
  • 700 - anti-shake drive mechanism 710 - first shape memory member, 720 - second shape memory member, 730 - third shape memory member, 740 - fourth shape memory member;
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and distinguish between “first”, “second”, etc.
  • the objects are usually of one type, and the number of objects is not limited.
  • the first object may be one or more than one.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • the lens module 300 is disposed opposite to the photosensitive chip 200 and both are disposed in the module housing 100 .
  • the camera module further includes a circuit board 840 , and the photosensitive chip 200 can be disposed on the circuit board 840 .
  • the photosensitive chip 200 can be used to receive the light incident from the lens module 300, and finally convert the light signal into a digital image signal, thereby obtaining an image.
  • the first lens barrel 400 is movably disposed on the module housing 100 , the first lens 401 is disposed on the first lens barrel 400 , the first lens 401 is disposed opposite the lens module 300 , and the first lens 401 can follow the first lens
  • the barrel 400 moves along the optical axis direction of the lens module 300 .
  • the first lens barrel 400 can drive the first lens 401 to move away from the photosensitive chip 200 along the optical axis of the lens module 300 , or it can move closer to the photosensitive chip 200 along the optical axis of the lens module 300 . move in the direction.
  • the first lens 401 can follow the first lens barrel 400 to move along the optical axis of the lens module 300, and the external light can enter from the first lens 401, then pass through the second lens 310, and finally It can be received by the photosensitive chip 200. Therefore, when the user shoots a near scene, the first lens barrel 400 can be hidden in the module housing 100, and when the user shoots a distant scene, the first lens barrel 400 can be exposed. Outside the module housing 100, the zoom function of the camera module can be realized. Since the first lens 401 can be moved to realize zooming, a single first lens 401 can be suitable for different application scenarios, so that the electronic device can meet the needs of users in different scenarios through fewer lenses, so that the camera model can be solved. The problem of groups occupying a large space in electronic equipment.
  • the first transmission member 520 is provided with a first screw guide structure 521
  • the second lens barrel 600 is provided with a first matching protrusion 601.
  • the zoom driving source 510 drives the first transmission.
  • the first matching protrusion 601 on the second lens barrel 600 cooperates with the first helical guide structure 521 on the first transmission member 520 to produce relative movement, so as to drive the second lens barrel 600 to approach or away from the photosensitive chip 200 . That is to say, the second lens barrel 600 can gradually hide or gradually expose the module housing 100, so that the continuous zoom function of the camera module can be realized.
  • the second transmission member 530 is provided with a second helical guide structure 531
  • the first lens barrel 400 is provided with a second matching protrusion 402 .
  • the zoom driving source 510 drives the first transmission member 520 Rotation
  • the first transmission member 520 drives the second transmission member 530 to rotate.
  • the second matching protrusion 402 on the first lens barrel 400 and the second screw guide structure 531 on the second transmission member 530 are engaged to produce relative movement. , so that the first lens barrel 400 can be driven close to or away from the photosensitive chip 200 .
  • the first lens barrel 400 can gradually hide or gradually expose the second lens barrel 600, so that the continuous zoom function of the camera module can be realized;
  • the lens barrel 400 is provided with a second screw guide structure 531.
  • the zoom drive source 510 drives the first transmission member 520 to rotate, and the first transmission member 520 drives the second transmission member 530 to rotate.
  • the second matching protrusion 402 on the transmission member 530 cooperates with the second helical guide structure 531 on the first lens barrel 400 , the relative movement occurs, so that the first lens barrel 400 can be driven closer to or away from the photosensitive chip 200 . That is to say, the first lens barrel 400 can gradually hide or gradually expose the second lens barrel 600, so that the continuous zoom function of the camera module can be realized.
  • one of the first transmission member 520 and the second transmission member 530 is provided with a third helical guide structure 522, and the other is provided with a third matching protrusion 532.
  • the three matching protrusions 532 cooperate with the third helical guide structure 522 to move and rotate.
  • the first transmission member 520 is provided with a third helical guide structure 522
  • the second transmission member 530 is provided with a third matching protrusion 532
  • the third helical guide structure 522 on the first transmission member 520 is connected with the third helical guide structure 522 on the first transmission member 520.
  • the first transmission member 520 is provided with a third matching protrusion 532
  • the second transmission member 530 is provided with a third helical guide structure 522
  • the third matching protrusion 532 on the first transmission member 520 and
  • the third helical guide structure 522 on the second transmission member 530 cooperates, when the first transmission member 520 rotates, the second transmission member 530 moves and rotates accordingly, and the second transmission member 530 can gradually extend or gradually shrink to the inside the first transmission member 520 .
  • the zoom function of the camera module can be realized; when the second transmission member 530 is gradually retracted to the first transmission member 520, in addition to the zoom function of the camera module can be realized In addition, it is also beneficial to realize the miniaturization of the camera module.
  • the zoom drive source 510 is a zoom motor
  • the first transmission member 520 is provided with a first drive tooth 523
  • the zoom drive mechanism 500 further includes a first transmission gear 540, the first transmission gear 540 and the first drive tooth. 523 is engaged, and the zoom motor drives the first transmission member 520 to rotate through the first transmission gear 540 .
  • the zoom motor can drive the first transmission gear 540 to rotate. Since the first transmission gear 540 is engaged with the first driving tooth 523, the first transmission gear 540 can drive the first driving tooth 523 to rotate, thereby driving the first transmission gear 540 to rotate.
  • a transmission member 520 rotates.
  • the zoom driving mechanism 500 may further include a worm gear assembly, and the zoom driving mechanism 500 may transmit the power of the zoom driving mechanism 500 to the first transmission member 520 through the worm gear assembly, so that the zoom motor and the first transmission member 520 can be realized. Power transmission between transmission members 520 . Since the use of the worm gear and worm assembly can make the drive shaft of the zoom motor and the worm not in the same plane, it is beneficial to the layout of the zoom motor.
  • the anti-shake driving mechanism 700 will drive the third mirror 820 to move in a direction parallel to the photosensitive chip 200 according to the shaking direction and displacement of the camera module, so that the third mirror 820 is in a suitable position and angle, so as to keep the optical path. It is stable, which can effectively overcome the problem of image blur caused by the camera module shaking.
  • the camera module further includes a third transmission member 810, the third lens 820 is disposed on the third transmission member 810, the third transmission member 810 and the second transmission member 530, one of which is provided with a fourth transmission member 810.
  • the other one of the helical guide structure 533 is provided with a fourth matching protrusion 811
  • the third transmission member 810 can approach or move away from the photosensitive chip 200 according to the cooperation of the fourth matching protrusion 811 and the fourth helical guide structure 533 .
  • the third transmission member 810 is provided with a fourth matching protrusion 811
  • the second transmission member 530 is provided with a fourth screw guide structure 533.
  • the first The four matching protrusions 811 cooperate with the fourth helical guide structure 533 on the second transmission member 530 , so that the third transmission member 810 is close to or away from the photosensitive chip 200 , so that the third lens 820 can be matched with the first lens 401 to This improves the continuous zooming effect of the camera module;
  • the third transmission member 810 is provided with a fourth helical guide structure 533
  • the second transmission member 530 is provided with a fourth matching protrusion 811
  • the second transmission member When the 530 rotates, the fourth mating protrusion 811 on the second transmission member 530 cooperates with the fourth helical guide structure 533 on the third transmission member 810, so that the third transmission member 810 is close to or away from the photosensitive chip 200, so that the The third lens 820 cooperates with the first lens 401 to improve the continuous zooming effect of the camera module.
  • the helix angle of the fourth helical guide structure 533 is greater than the helix angle of the second helical guide structure 531 .
  • the third mirror 820 can be driven by the third transmission member 810 to change the position of the third mirror 820, so as to achieve the purpose of compensating the optical path.
  • the helix angle of the fourth helical guide structure 533 is relatively large, so when the third mirror 820 is adjusted, the displacement of the third mirror 820 will be large, resulting in lower accuracy when adjusting the displacement of the third mirror 820 , resulting in a poor optical path compensation effect.
  • the helix angle of the fourth helical guide structure 533 is smaller than that of the second helical guide structure 531 .
  • the movement amount of the third mirror 820 is small, so the fine adjustment of the third mirror 820 can be realized by the smaller helix angle,
  • the risk of collision of the third lens 820 with the first lens 401 due to excessive displacement can also be prevented.
  • the anti-shake driving mechanism 700 may include an electromagnetic component and a magnetic component.
  • the camera module can be protected against vibration. Shake function.
  • the interaction of electromagnetic parts and magnetic parts will produce magnetic interference, which may cause other parts of the electronic device to fail to work properly. Therefore, in order to further improve the anti-shake effect of the camera module, the anti-shake driving mechanism 700 may further include a fourth shape memory member 740 , a first shape memory member 710 , a second shape memory member 720 , a third shape memory member 730 and a third shape memory member 730 .
  • the four shape memory members 740 are all connected between the third transmission member 810 and the third lens 820, and the four are arranged in a quadrangular shape.
  • the anti-shake driving mechanism 700 can pull the third lens 820 in four directions, so that there are more directions for optical path compensation, and the effect is better.
  • the displacement amount of the third lens 820 can be changed in the direction perpendicular to the optical axis, so that the Further improve the anti-shake effect of the camera module.
  • the camera module further includes a focus drive mechanism 900, the focus drive mechanism 900 is connected with the lens module 300, and the focus drive mechanism 900 can drive the lens module 300 to be close to or away from the photosensitive sensor. Chip 200.
  • the focus driving mechanism 900 can drive the lens module 300 to drive the second lens 310 to be close to or away from the photosensitive chip 200 , so that the captured image can be clearer.
  • the focus drive mechanism 900 includes a focus drive source 910 and a fourth transmission member 920, the fourth transmission member 920 is connected to the focus drive source 910, and the focus drive source 910 can drive the fourth transmission member 920 to rotate;
  • the four transmission members 920 and the lens module 300 one is provided with a fifth helical guide structure 921, and the other is provided with a fifth matching protrusion 321.
  • the lens module 300 can follow the fifth matching protrusion 321 and the fifth screw The cooperative movement of the guide structure 921 .
  • the fourth transmission member 920 is provided with a fifth helical guide structure 921, and the lens module 300 is provided with a fifth matching protrusion 321.
  • the focus drive source 910 drives the fourth transmission member. 920 rotates, during the rotation of the fourth transmission member 920, the fifth mating protrusion 321 on the lens module 300 cooperates with the fifth spiral guide structure 921 on the fourth transmission member 920 to produce relative movement, so that the lens can be changed.
  • the distance between the module 300 and the photosensitive chip 200 can realize the focusing function of the camera module.
  • the fourth transmission member 920 is provided with a fifth matching protrusion 321
  • the lens module 300 is provided with a fifth spiral guide structure 921.
  • the focus driving source 910 drives the fourth transmission During the rotation of the fourth transmission member 920, the fifth matching protrusion 321 on the fourth transmission member 920 cooperates with the fifth spiral guide structure 921 on the lens module 300 to produce relative movement. By changing the distance between the lens module 300 and the photosensitive chip 200, the focusing function of the camera module can be realized.
  • the fourth helical guide As mentioned above, through the first helical guide structure 521 and the first matching protrusion 601, the second helical guide structure 531 and the second matching protrusion 402, the third helical guide structure 522 and the third matching protrusion 532, the fourth helical guide The cooperation of the guide structure 533 and the fourth matching protrusion 811 and the fifth helical guide structure 921 and the fifth matching protrusion 321 realizes the transmission scheme.
  • the transmission between the modules 300 can also be realized by means of screw fit.
  • the resistance is also relatively large. Therefore, a relatively large driving force is required between the components to realize the relative position change.
  • the matching manner of the guide structure 533 and the fourth matching protrusion 811 and the fifth helical guide structure 921 and the fifth matching protrusion 321 realizes the change of the relative position between the components, which can reduce the contact area between the components, thereby reducing the contact area between the components.
  • the resistance between the various components can be reduced, so that the position change between the various components can be realized only by a relatively small driving force, and the wear between the various components can also be slowed down.
  • first helical guide structure 521, the second helical guide structure 531, the third helical guide structure 522, the fourth helical guide structure 533 and the fifth helical guide structure 921 may be helical grooves or helical holes.
  • the application examples do not limit this.
  • the focus drive source 910 is a focus motor
  • the fourth transmission member 920 is provided with a second drive tooth 922
  • the focus drive mechanism 900 further includes a second transmission gear 930, the second transmission gear 930 and the second drive gear 930.
  • the teeth 922 are engaged, and the focus motor drives the fourth transmission member 920 to rotate through the second transmission gear 930 .
  • the focus motor drives the second transmission gear 930 to rotate. Since the second transmission gear 930 meshes with the second driving teeth 922, the second transmission gear 930 can drive the second driving teeth 922 to rotate, so that the fourth transmission gear 930 can rotate.
  • the transmission member 920 rotates.
  • the use of the focus motor, the second transmission gear 930 and the second driving teeth 922 can make the transmission of the first transmission member 520 and the second transmission member 530 more stable.
  • the focus drive mechanism 900 may further include a worm gear assembly, and the focus drive mechanism 900 may transmit the power of the focus drive mechanism 900 to the fourth transmission member 920 through the worm gear assembly, so that the focus motor and the fourth transmission member 920 can be realized. Power transmission between transmission members 920 . Since the use of the worm gear and worm assembly can make the drive shaft of the focus motor and the worm screw not in the same plane, it is beneficial to the layout of the focus motor.
  • the camera module may also include a protective lens. 830 , the protective lens 830 is disposed at the light entrance end of the first lens barrel 400 .
  • the protective lens 830 can not only avoid the risk of collision and scratching of the first lens 401 when encountering hard objects, but also prevent impurities in the external environment from entering the camera module without affecting the operation of the camera module. Thereby, it is beneficial to the good operation of the camera module.
  • Embodiments of the present application further provide an electronic device, where the electronic device includes the camera module described in any of the foregoing embodiments.
  • the electronic devices disclosed in the embodiments of the present application may be smart phones, tablet computers, e-book readers, wearable devices (such as smart watches), electronic game consoles, and other devices.
  • the embodiments of the present application do not limit the specific types of electronic devices.

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Abstract

一种摄像头模组及电子设备,属于摄像技术领域。该摄像头模组包括模组壳体(100)、感光芯片(200)、镜头模组(300)、第一镜筒(400)和第一镜片(401),其中,镜头模组(300)与感光芯片(200)相对设置,且均设置于模组壳体(100)之内;第一镜筒(400)可移动地设置于模组壳体(100),第一镜片(401)设置于第一镜筒(400),第一镜片(401)与镜头模组(300)相对设置,且第一镜片(401)可随第一镜筒(400)沿镜头模组(300)的光轴方向移动;镜头模组(300)包括第二镜片(310),第二镜片(310)与第一镜片(401)在光轴方向依次设置。

Description

摄像头模组及电子设备
交叉引用
本发明要求在2020年12月21日提交中国专利局、申请号为202011517164.3、发明名称为“摄像头模组及电子设备”的中国专利申请的优先权,该申请的全部内容通过引用结合在本发明中。
技术领域
本申请属于摄像技术领域,具体涉及一种摄像头模组及电子设备。
背景技术
目前,摄像已成为电子设备的一项不可或缺的功能,并且在日常生活中越来越多的被使用,随之用户对摄像性能的要求也越来越高。
现有的电子设备为了提高整体摄像性能,覆盖各种应用场景,不断地在电子设备上增加摄像头模组的个数,其中包含主摄像头、人像摄像头、望远摄像头、广角摄像头、微距摄像头、虚化摄像头等功能各异的摄像头模组。这就导致上述不断增加的摄像头模组占用电子设备的空间较大。
发明内容
本申请实施例的目的是提供一种摄像头模组及电子设备,能够解决现有的摄像头模组占用电子设备的空间较大的问题。
为了解决上述技术问题,本申请是这样实现的:
第一方面,本申请实施例提供了一种摄像头模组,该摄像头模组包括:模组壳体、感光芯片、镜头模组、第一镜筒和第一镜片,其中,
所述镜头模组与所述感光芯片相对设置,且均设置于所述模组壳体之内;
所述第一镜筒可移动地设置于所述模组壳体,所述第一镜片设置于所述 第一镜筒,所述第一镜片与所述镜头模组相对设置,且所述第一镜片可随所述第一镜筒沿所述镜头模组的光轴方向移动;
所述镜头模组包括第二镜片,所述第二镜片与所述第一镜片在所述光轴方向依次设置。
第二方面,本申请实施例提供了一种电子设备,该电子设备包括所述的摄像头模组。
在本申请实施例中,第一镜片可以跟随第一镜筒沿镜头模组的光轴方向移动,并且外界的光线可以从第一镜片射入,然后通过第二镜片,最终可以被感光芯片接收,因此,当用户拍摄近处景物时,可以使第一镜筒隐藏在模组壳体内,当用户拍摄远处景物时,可以使第一镜筒暴露在模组壳体外,从而可以实现摄像头模组的变焦功能。由于第一镜片可以移动进而实现变焦,因此单个第一镜片可以适用于不同的应用场景,使得电子设备通过更少的镜片就可以满足用户在不同场景下的使用需求,如此可以解决摄像头模组占据电子设备较大的空间的问题。
附图说明
图1为本申请实施例公开的摄像头模组处于第一状态时的结构示意图;
图2为图1的剖面图;
图3为本申请实施例公开的摄像头模组处于第二状态时的结构示意图;
图4为图3的剖面图;
图5为图4所示结构的部分结构示意图;
图6为图5中A处的局部放大结构示意图;
图7至图12为图3所示结构的部分结构示意图;
图13为本申请实施例公开的摄像头模组的对焦驱动机构与镜头模组组装后的结构示意图;
图14为图13所示结构在一种状态下的结构示意图;
图15为图13所示结构在另一种状态下的结构示意图。
附图标记说明:
100-模组壳体;
200-感光芯片;
300-镜头模组、310-第二镜片、320-镜片支架、321-第五配合凸起;
400-第一镜筒、401-第一镜片、402-第二配合凸起;
500-变焦驱动机构、510-变焦驱动源、520-第一传动件、521-第一螺旋导向结构、522-第三螺旋导向结构、523-第一驱动齿、530-第二传动件、531-第二螺旋导向结构、532-第三配合凸起、533-第四螺旋导向结构、540-第一传动齿轮;
600-第二镜筒、601-第一配合凸起;
700-防抖驱动机构、710-第一形状记忆件、720-第二形状记忆件、730-第三形状记忆件、740-第四形状记忆件;
810-第三传动件、811-第四配合凸起、820-第三镜片、830-保护镜片、840-电路板;
900-对焦驱动机构、910-对焦驱动源、920-第四传动件、921-第五螺旋导向结构、922-第二驱动齿、930-第二传动齿轮。
具体实施方式
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,且“第一”、“第二”等所区分的对象通常为一类,并不限定对象的个数,例如第一对象可以是一个,也可以是多个。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,通过具体的实施例及其应用场景对本申请实施例提供的摄像头模组进行详细地说明。
如图1至图15所示,本申请实施例提供了一种摄像头模组,该摄像头模组包括模组壳体100、感光芯片200、镜头模组300、第一镜筒400以及第一镜片401。
镜头模组300与感光芯片200相对设置,且均设置于模组壳体100之内。摄像头模组还包括电路板840,感光芯片200可以设置于电路板840上。此外,感光芯片200可以用于接收从镜头模组300射入的光线,并最终将光信号转换成数字图像信号,从而得到影像。
第一镜筒400可移动地设置于模组壳体100,第一镜片401设置于第一镜筒400,第一镜片401与镜头模组300相对设置,且第一镜片401可随第一镜筒400沿镜头模组300的光轴方向移动。根据摄像的需要,第一镜筒400可以带动第一镜片401沿镜头模组300的光轴方向朝远离感光芯片200的方向移动,也可以沿镜头模组300的光轴方向朝靠近感光芯片200的方向移动。
镜头模组300包括第二镜片310和镜片支架320,第二镜片310设置于镜片支架320,第二镜片310与第一镜片401在镜头模组300的光轴方向依次设置。第二镜片310与第一镜片401可以相互配合,从而改变光线的传播方向。
在本申请实施例中,第一镜片401可以跟随第一镜筒400沿镜头模组300的光轴方向移动,并且外界的光线可以从第一镜片401射入,然后通过第二 镜片310,最终可以被感光芯片200接收,因此,当用户拍摄近处景物时,可以使第一镜筒400隐藏在模组壳体100内,当用户拍摄远处景物时,可以使第一镜筒400暴露在模组壳体100外,从而可以实现摄像头模组的变焦功能。由于第一镜片401可以移动进而实现变焦,因此单个第一镜片401可以适用于不同的应用场景,使得电子设备通过更少的镜片就可以满足用户在不同场景下的使用需求,如此可以解决摄像头模组占据电子设备较大的空间的问题。
可选的实施例中,为了使摄像头模组可以拥有更大的变焦范围,摄像头模组还可以包括第二镜筒600,第二镜筒600可移动地设置于模组壳体100,第一镜筒400套设于第二镜筒600内。由于第二镜筒600可移动地设置于模组壳体100,第一镜筒400可移动地套设于第二镜筒600,因此第一镜片401在第一镜筒400和第二镜筒600的作用下,可以距离感光芯片200更远,这就可以使第一镜片401与感光芯片200之间的距离的变化范围更大,如此使摄像头模组的变焦范围更大,从而可以提升摄像头模组的变焦效果。
进一步可选的实施例中,为了实现摄像头模组的连续变焦功能,摄像头模组还包括变焦驱动机构500,变焦驱动机构500包括变焦驱动源510、第一传动件520和第二传动件530,第一传动件520与变焦驱动源510相连,第二传动件530与第一传动件520相连,变焦驱动源510可驱动第一传动件520和第二传动件530转动;其中,第一传动件520和第二镜筒600中,一者设有第一螺旋导向结构521,另一者设有第一配合凸起601,第二镜筒600可随第一配合凸起601与第一螺旋导向结构521的配合移动;第二传动件530和第一镜筒400中,一者设有第二螺旋导向结构531,另一者设有第二配合凸起402,第一镜筒400可随第二配合凸起402与第二螺旋导向结构531的配 合移动。
一种实施例中,第一传动件520设有第一螺旋导向结构521,第二镜筒600设有第一配合凸起601,在变焦驱动源510启动之后,变焦驱动源510驱动第一传动件520转动,此时,第二镜筒600上的第一配合凸起601与第一传动件520上的第一螺旋导向结构521配合之后产生相对移动,从而可以带动第二镜筒600靠近或者远离感光芯片200。也就是说,第二镜筒600可以逐渐隐藏或者逐渐露出模组壳体100,从而可以实现摄像头模组的连续变焦功能。或者,第一传动件520设有第一配合凸起601,第二镜筒600设有第一螺旋导向结构521,在变焦驱动源510启动之后,变焦驱动源510驱动第一传动件520转动,此时,第一传动件520上的第一配合凸起601与第二镜筒600上的第一螺旋导向结构521配合之后产生相对移动,从而可以带动第二镜筒600靠近或者远离感光芯片200。也就是说,第二镜筒600可以逐渐隐藏或者逐渐露出模组壳体100,从而可以实现摄像头模组的连续变焦功能。此种实现连续变焦的方案,可以使得摄像头模组的变焦过程更加连贯,从而使得摄像头模组的焦距更多样化,以此满足摄像头模组在更多场景下的使用。
同理地,第二传动件530设有第二螺旋导向结构531,第一镜筒400设有第二配合凸起402,在变焦驱动源510启动之后,变焦驱动源510驱动第一传动件520转动,第一传动件520带动第二传动件530转动,此时,第一镜筒400上的第二配合凸起402与第二传动件530上的第二螺旋导向结构531配合之后产生相对移动,从而可以带动第一镜筒400靠近或者远离感光芯片200。也就是说,第一镜筒400可以逐渐隐藏或者逐渐露出第二镜筒600,从而可以实现摄像头模组的连续变焦功能;或者,第二传动件530设有第二配 合凸起402,第一镜筒400设有第二螺旋导向结构531,在变焦驱动源510启动之后,变焦驱动源510驱动第一传动件520转动,第一传动件520带动第二传动件530转动,此时,第二传动件530上的第二配合凸起402与第一镜筒400上的第二螺旋导向结构531配合之后产生相对移动,从而可以带动第一镜筒400靠近或者远离感光芯片200。也就是说,第一镜筒400可以逐渐隐藏或者逐渐露出第二镜筒600,从而可以实现摄像头模组的连续变焦功能。
综上,通过上述方式可以在实现摄像头模组连续变焦功能的同时,第二镜筒600可以隐藏在模组壳体100中,第一镜筒400也可以收缩到第二镜筒600中,从而达到隐藏在模组壳体100中的目的,因此,当用户完成拍摄后,收缩第一镜筒400和第二镜筒600可以使整个摄像头模组的体积变得更小,如此有利于减小整个电子设备的体积。
一种实施例中,第一传动件520和第二传动件530中,一者设有第三螺旋导向结构522,另一者设有第三配合凸起532,第二传动件530可随第三配合凸起532与第三螺旋导向结构522的配合移动并转动。一种实施例中,第一传动件520设有第三螺旋导向结构522,第二传动件530设有第三配合凸起532,在第一传动件520上的第三螺旋导向结构522与第二传动件530上的第三配合凸起532配合的情况下,第一传动件520转动时,第二传动件530随之移动并转动,第二传动件530可以逐渐伸出或逐渐收缩到第一传动件520内。另一种实施例中,第一传动件520设有第三配合凸起532,第二传动件530设有第三螺旋导向结构522,在第一传动件520上的第三配合凸起532与第二传动件530上的第三螺旋导向结构522配合的情况下,第一传动件520转动时,第二传动件530随之移动并转动,第二传动件530可以逐渐伸出或 逐渐收缩到第一传动件520内。当第二传动件530逐渐伸出第一传动件520时,可以实现摄像头模组的变焦功能;当第二传动件530逐渐收缩到第一传动件520时,除了可以实现摄像头模组的变焦功能外,还有利于实现摄像头模组的小型化。
可选的实施例中,变焦驱动源510为变焦马达,第一传动件520设有第一驱动齿523,变焦驱动机构500还包括第一传动齿轮540,第一传动齿轮540与第一驱动齿523啮合,变焦马达通过第一传动齿轮540驱动第一传动件520转动。在变焦马达启动之后,变焦马达可以驱动第一传动齿轮540转动,由于第一传动齿轮540与第一驱动齿523啮合,因此第一传动齿轮540可以驱动第一驱动齿523转动,从而可以带动第一传动件520转动。利用变焦马达、第一传动齿轮540以及第一驱动齿523可以使第一传动件520和第二传动件530传动时更加平稳。另一种实施例中,变焦驱动机构500还可以包括蜗轮蜗杆组件,变焦驱动机构500可以通过涡轮蜗杆组件将变焦驱动机构500的动力传递给第一传动件520,从而可以实现变焦马达与第一传动件520之间的动力传递。由于采用蜗轮蜗杆组件可以使变焦马达的传动轴与蜗杆不在同一平面内,如此有利于变焦马达的布局。
在摄像的时候,如果摄像头模组发生抖动,则会导致从第一镜片401,第三镜片820以及第二镜片310穿过的光线会偏离原来的光路,从而造成拍摄出来的影像模糊。因此,另一种可选的实施例中,为了实现摄像头模组的防抖功能,摄像头模组还包括防抖驱动机构700和第三镜片820,第三镜片820可移动地设置于第一镜筒400内,防抖驱动机构700与第三镜片820相连,防抖驱动机构700可驱动第三镜片820沿平行于感光芯片200的方向移动。此时防抖驱动机构700会根据摄像头模组的抖动方向和位移量,驱动第 三镜片820沿平行于感光芯片200的方向移动,使第三镜片820处于合适的位置和角度,从而使光路保持稳定,进而能够有效地克服因摄像头模组抖动产生的影像模糊问题。
进一步可选的实施例中,摄像头模组还包括第三传动件810,第三镜片820设置于第三传动件810,第三传动件810和第二传动件530中,一者设有第四螺旋导向结构533,另一者设有第四配合凸起811,第三传动件810可随第四配合凸起811与第四螺旋导向结构533的配合靠近或远离感光芯片200。一种实施例中,第三传动件810设有第四配合凸起811,第二传动件530设有第四螺旋导向结构533,第二传动件530转动时,第三传动件810上的第四配合凸起811与第二传动件530上的第四螺旋导向结构533配合,从而使第三传动件810靠近或远离感光芯片200,进而可以使第三镜片820通过与第一镜片401配合以此来提升摄像头模组的连续变焦效果;另一种实施例中,第三传动件810设有第四螺旋导向结构533,第二传动件530设有第四配合凸起811,第二传动件530转动时,第二传动件530上的第四配合凸起811与第三传动件810上的第四螺旋导向结构533配合,从而使第三传动件810靠近或远离感光芯片200,进而可以使第三镜片820通过与第一镜片401配合以此来提升摄像头模组的连续变焦效果。综上,通过第四配合凸起811与第四螺旋导向结构533的配合,可以在平行于光轴的方向上改变第三镜片820的位移量,如此可以进一步提升摄像头模组的连续变焦效果。
一种实施例中,第四螺旋导向结构533的螺旋角大于第二螺旋导向结构531的螺旋角。此实施例中,当电子设备发生抖动时,第三镜片820可以在第三传动件810的带动下,改变第三镜片820的位置,从而达到补偿光路的目的。然而第四螺旋导向结构533的螺旋角相对太大,因此在调整第三镜片 820时,第三镜片820的位移量会很大,从而导致在调整第三镜片820的位移量时精确度较低,进而导致光路补偿的效果较差。因此,第四螺旋导向结构533的螺旋角小于第二螺旋导向结构531的螺旋角。在与上述实施例相同的调整状况下,当第三镜片820跟随第三传动件810移动时,第三镜片820移动量较小,因此通过较小的螺旋角可以实现第三镜片820的微调,此外,还可以防止第三镜片820因位移量过大而与第一镜片401发生碰撞的风险。
另一种实施例中,防抖驱动机构700可以包括电磁件和磁性件,通过改变电磁件和磁性件之间的引力与斥力的大小以及改变引力与斥力的方向从而可以实现摄像头模组的防抖功能。然而电磁件和磁性件相互作用会产生磁干扰,磁干扰可能会导致电子设备的其他部件无法正常工作。因此,为了进一步提升摄像头模组的防抖效果,防抖驱动机构700还可以包括第四形状记忆件740,第一形状记忆件710、第二形状记忆件720、第三形状记忆件730和第四形状记忆件740均连接于第三传动件810与第三镜片820之间,且四者呈四边形排布。在此实施例中,防抖驱动机构700可以在四个方向上拉扯第三镜片820,如此光路补偿的方向更多,且效果更好。此外,利用第一形状记忆件710、第二形状记忆件720、第三形状记忆件730和第四形状记忆件740可以在垂直于光轴的方向上改变第三镜片820的位移量,如此可以更进一步提升摄像头模组的防抖效果。
一种实施例中,为了实现摄像头模组的对焦功能,摄像头模组还包括对焦驱动机构900,对焦驱动机构900与镜头模组300相连,对焦驱动机构900可驱动镜头模组300靠近或远离感光芯片200。当拍摄影像时,如果影像画面出现模糊,则可以使对焦驱动机构900驱动镜头模组300以带动第二镜片310靠近或远离感光芯片200,从而可以使所拍摄的影像画面更加得清晰。
进一步的实施例中,对焦驱动机构900包括对焦驱动源910和第四传动件920,第四传动件920与对焦驱动源910相连,对焦驱动源910可驱动第四传动件920转动;其中,第四传动件920和镜头模组300中,一者设有第五螺旋导向结构921,另一者设有第五配合凸起321,镜头模组300可随第五配合凸起321与第五螺旋导向结构921的配合移动。一种实施例中,第四传动件920设有第五螺旋导向结构921,镜头模组300设有第五配合凸起321,在对焦驱动源910启动之后,对焦驱动源910驱动第四传动件920转动,在第四传动件920转动的过程中,镜头模组300上的第五配合凸起321与第四传动件920上的第五螺旋导向结构921配合之后产生相对移动,如此可以改变镜头模组300与感光芯片200之间的距离,从而可以实现摄像头模组的对焦功能。另一种实施例中,第四传动件920设有第五配合凸起321,镜头模组300设有第五螺旋导向结构921,在对焦驱动源910启动后,对焦驱动源910驱动第四传动件920转动,在第四传动件920转动的过程中,第四传动件920上的第五配合凸起321与镜头模组300上的第五螺旋导向结构921配合之后产生相对移动,如此也可以改变镜头模组300与感光芯片200之间的距离,从而可以实现摄像头模组的对焦功能。
上文提到了通过第一螺旋导向结构521和第一配合凸起601、第二螺旋导向结构531和第二配合凸起402、第三螺旋导向结构522和第三配合凸起532、第四螺旋导向结构533和第四配合凸起811以及第五螺旋导向结构921和第五配合凸起321的配合实现传动的方案,在其他实施例中,第一传动件520和第二镜筒600之间、第二传动件530和第一镜筒400之间、第一传动件520和第二传动件530之间、第三传动件810和第二传动件530之间以及第四传动件920和镜头模组300之间还可以通过螺纹配合的方式实现传动。 然而此种方式下,由于螺纹配合方式使各部件之间的接触面积较大,导致阻力也相对较大,因此各部件之间需要较大的驱动力才可以实现相对位置的变化。相对而言,通过第一螺旋导向结构521和第一配合凸起601、第二螺旋导向结构531和第二配合凸起402、第三螺旋导向结构522和第三配合凸起532、第四螺旋导向结构533和第四配合凸起811以及第五螺旋导向结构921和第五配合凸起321的配合方式实现各部件之间的相对位置的变化,可以减小各部件之间的接触面积,从而可以减小各部件之间的阻力,进而只需通过相对较小的驱动力就可以实现各部件之间位置的变化,同时也可以减缓各部件之间的磨损。可选地,第一螺旋导向结构521、第二螺旋导向结构531、第三螺旋导向结构522、第四螺旋导向结构533以及第五螺旋导向结构921可以是螺旋槽,也可以是螺旋孔,本申请实施例对此不作限制。
进一步可选的实施例中,对焦驱动源910为对焦马达,第四传动件920设有第二驱动齿922,对焦驱动机构900还包括第二传动齿轮930,第二传动齿轮930与第二驱动齿922啮合,对焦马达通过第二传动齿轮930驱动第四传动件920转动。在对焦马达启动之后,对焦马达带动第二传动齿轮930转动,由于第二传动齿轮930与第二驱动齿922啮合,因此第二传动齿轮930可以带动第二驱动齿922转动,从而可以使第四传动件920转动。此实施例中,利用对焦马达、第二传动齿轮930以及第二驱动齿922可以使第一传动件520和第二传动件530传动时更加平稳。另一种实施例中,对焦驱动机构900还可以包括蜗轮蜗杆组件,对焦驱动机构900可以通过涡轮蜗杆组件将对焦驱动机构900的动力传递给第四传动件920,从而可以实现对焦马达与第四传动件920之间的动力传递。由于采用蜗轮蜗杆组件可以使对焦马达的传动轴与蜗杆不在同一平面内,如此有利于对焦马达的布局。
一种可选的实施例中,为了保护第一镜片401不会遭到碰撞和划刻以及避免各种杂质进入摄像头模组内对摄像头模组的工作造成影响,摄像头模组还可以包括保护镜片830,保护镜片830设置于第一镜筒400的进光端。保护镜片830不仅可以避免第一镜片401在遇到坚硬物体时遭到碰撞和划刻的风险,还可以在不影响摄像头模组工作的情况下阻拦外界环境中的杂质进入到摄像头模组内,从而有利于摄像头模组良好的运行。
本申请实施例还提供了一种电子设备,该电子设备包括上述任意实施例所述的摄像头模组。
本申请实施例公开的电子设备可以是智能手机、平板电脑、电子书阅读器、可穿戴设备(例如智能手表)、电子游戏机等设备,本申请实施例不限制电子设备的具体种类。
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。

Claims (14)

  1. 一种摄像头模组,其中,包括:模组壳体、感光芯片、镜头模组、第一镜筒和第一镜片,其中,
    所述镜头模组与所述感光芯片相对设置,且均设置于所述模组壳体之内;
    所述第一镜筒可移动地设置于所述模组壳体,所述第一镜片设置于所述第一镜筒,所述第一镜片与所述镜头模组相对设置,且所述第一镜片可随所述第一镜筒沿所述镜头模组的光轴方向移动;
    所述镜头模组包括第二镜片,所述第二镜片与所述第一镜片在所述光轴方向依次设置。
  2. 根据权利要求1所述的摄像头模组,其中,所述摄像头模组还包括第二镜筒,所述第二镜筒可移动地设置于所述模组壳体,所述第一镜筒套设于所述第二镜筒内。
  3. 根据权利要求2所述的摄像头模组,其中,所述摄像头模组还包括变焦驱动机构,所述变焦驱动机构包括变焦驱动源、第一传动件和第二传动件,所述第一传动件与所述变焦驱动源相连,所述第二传动件与所述第一传动件相连,所述变焦驱动源可驱动所述第一传动件和所述第二传动件转动;
    其中,所述第一传动件和所述第二镜筒中,一者设有第一螺旋导向结构,另一者设有第一配合凸起,所述第二镜筒可随所述第一配合凸起与所述第一螺旋导向结构的配合移动;所述第二传动件和所述第一镜筒中,一者设有第二螺旋导向结构,另一者设有第二配合凸起,所述第一镜筒可随所述第二配合凸起与所述第二螺旋导向结构的配合移动。
  4. 根据权利要求3所述的摄像头模组,其中,所述第一传动件和所述第二传动件中,一者设有第三螺旋导向结构,另一者设有第三配合凸起,所述第二传动件可随所述第三配合凸起与所述第三螺旋导向结构的配合移动并转动。
  5. 根据权利要求3所述的摄像头模组,其中,所述变焦驱动源为变焦马达,所述第一传动件设有第一驱动齿,所述变焦驱动机构还包括第一传动齿 轮,所述第一传动齿轮与所述第一驱动齿啮合,所述变焦马达通过所述第一传动齿轮驱动所述第一传动件转动。
  6. 根据权利要求3所述的摄像头模组,其中,所述摄像头模组还包括防抖驱动机构和第三镜片,所述第三镜片可移动地设置于所述第一镜筒内,所述防抖驱动机构与所述第三镜片相连,所述防抖驱动机构可驱动所述第三镜片沿平行于所述感光芯片的方向移动。
  7. 根据权利要求6所述的摄像头模组,其中,所述摄像头模组还包括第三传动件,所述第三镜片设置于所述第三传动件,所述第三传动件和所述第二传动件中,一者设有第四螺旋导向结构,另一者设有第四配合凸起,所述第三传动件可随所述第四配合凸起与所述第四螺旋导向结构的配合靠近或远离所述感光芯片。
  8. 根据权利要求7所述的摄像头模组,其中,所述第四螺旋导向结构的螺旋角小于所述第二螺旋导向结构的螺旋角。
  9. 根据权利要求7所述的摄像头模组,其中,所述防抖驱动机构包括第一形状记忆件、第二形状记忆件、第三形状记忆件和第四形状记忆件,所述第一形状记忆件、所述第二形状记忆件、所述第三形状记忆件和所述第四形状记忆件均连接于所述第三传动件与所述第三镜片之间,且四者呈四边形排布。
  10. 根据权利要求1所述的摄像头模组,其中,所述摄像头模组还包括对焦驱动机构,所述对焦驱动机构与所述镜头模组相连,所述对焦驱动机构可驱动所述镜头模组靠近或远离所述感光芯片。
  11. 根据权利要求10所述的摄像头模组,其中,所述对焦驱动机构包括对焦驱动源和第四传动件,所述第四传动件与所述对焦驱动源相连,所述对焦驱动源可驱动所述第四传动件转动;
    其中,所述第四传动件和所述镜头模组中,一者设有第五螺旋导向结构,另一者设有第五配合凸起,所述镜头模组可随所述第五配合凸起与所述第五螺旋导向结构的配合移动。
  12. 根据权利要求11所述的摄像头模组,其中,所述对焦驱动源为对焦马达,所述第四传动件设有第二驱动齿,所述对焦驱动机构还包括第二传动齿轮,所述第二传动齿轮与所述第二驱动齿啮合,所述对焦马达通过所述第二传动齿轮驱动所述第四传动件转动。
  13. 根据权利要求1所述的摄像头模组,其中,所述摄像头模组还包括保护镜片,所述保护镜片设置于所述第一镜筒的进光端。
  14. 一种电子设备,其中,包括权利要求1至13中任一项所述的摄像头模组。
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