KR20150113675A - Dual camera lens module - Google Patents

Dual camera lens module Download PDF

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Publication number
KR20150113675A
KR20150113675A KR1020140038013A KR20140038013A KR20150113675A KR 20150113675 A KR20150113675 A KR 20150113675A KR 1020140038013 A KR1020140038013 A KR 1020140038013A KR 20140038013 A KR20140038013 A KR 20140038013A KR 20150113675 A KR20150113675 A KR 20150113675A
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KR
South Korea
Prior art keywords
driving
camera module
lens assembly
base member
dual camera
Prior art date
Application number
KR1020140038013A
Other languages
Korean (ko)
Inventor
이경용
장준석
박철순
Original Assignee
자화전자(주)
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Priority to KR1020140038013A priority Critical patent/KR20150113675A/en
Publication of KR20150113675A publication Critical patent/KR20150113675A/en

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    • 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
    • G03B19/00—Cameras
    • G03B19/18—Motion-picture cameras
    • G03B19/22—Double cameras
    • 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
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing
    • 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
    • G03B2205/0069—Driving means for the movement of one or more optical element using electromagnetic actuators, e.g. voice 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
    • G03B2217/00—Details of cameras or camera bodies; Accessories therefor
    • G03B2217/002—Details of arrangement of components in or on camera body

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Studio Devices (AREA)
  • Lens Barrels (AREA)

Abstract

Described are various embodiments relating to a dual camera module included in an electronic device. According to an embodiment, a dual camera module comprises: a base member for combining first and second lens assembly part with first and second driving parts for vertically driving the first and second lens assembly parts in an optical axis; and first and second cover parts combined with the base member, wherein the first and second driving parts can be arranged on one side surface of the base member. Besides, various other embodiments are possible.

Description

Dual camera module {DUAL CAMERA LENS MODULE}

The present invention relates to a dual camera module for use in an electronic device.

2. Description of the Related Art [0002] Conventionally, as a small and lightweight camera module has emerged due to the development of digital camera manufacturing technology, a portable electronic device equipped with an optical lens and a camera module has become popular, as a camera can be mounted on a portable electronic device.

The camera module is miniaturized to be mounted on a portable electronic device, and the camera module should be constructed in a structure capable of properly implementing performance even in a miniaturized state. An important factor together with the magnification for determining the performance of the camera module is resolution. When the resolving power is improved, the image of the subject becomes clear, and even a detailed portion can be observed. The camera module can adjust the focal distance, which is the distance between the image sensor and the lens, and the camera module can exhibit the maximum resolution at the optimum focal length.

In recent years, techniques for enabling 3D imaging using two camera modules have been intensively developed so that 3D images can be implemented.

Each of these camera modules is generally made of a voice coil motor (VCM) type.

The camera module includes a printed circuit board having an image sensor, a base opened in an optical axis direction, a lens assembly coupled in the base, a driving unit driving the lens assembly in the optical axis direction, And a cover coupled to the top of the base.

The driving unit includes a lens assembly having a magnet, and a coil provided in the driving unit and generating a driving force corresponding to the magnet.

That is, the driving unit is configured such that the current flowing in the coil drives the lens assembly unit by the magnetic field generated by the magnet.

However, the conventional dual camera module has a disadvantage in that the driving performance of the camera modules is deteriorated due to the magnetic field interference between the magnets and the coils provided in the respective driving parts.

Therefore, in order to overcome such a disadvantage, a structure for disposing magnetic field interference between the magnets and the coils of the respective driving parts is required.

In addition, since the conventional dual camera module has a structure in which a single cover is coupled to the outside of two lens assemblies, it is necessary to disassemble both lens assemblies when a failure occurs in one lens assembly in the assembled dual camera module .

In other words, it is impossible to separately disassemble and assemble the lens assembly in which a failure occurs in a dual camera module in which the assembly is completed.

The present invention provides a dual camera module in which magnetic field interference between the first and second driving portions is prevented by arranging the first and second driving portions symmetrically so as to be distant from each other on the base member, have.

The present invention is characterized in that the first and second cover portions for covering the first and second lens assembly portions are separately formed on the base member so that the first and second lens assembly portions can be separately assembled and disassembled when a product failure occurs .

It is another object of the present invention to provide a dual camera module capable of improving the resolving power quality of the first and second driving units by configuring the first and second driving units to be capable of active alignment separately.

Further, according to the present invention, by configuring the first and second driving units on the base member, it is possible to implement an auto focus function in each product, thereby realizing a 3D image using the left and right angle of view angles, And to provide a dual camera module capable of realizing a depth (perspective) and zooming using optical systems having different left and right magnifications.

According to various embodiments of the present invention, in a dual camera module,

A base member for coupling the first and second lens assembly units and the first and second drive units for driving the first and second lens assembly units upward and downward in the optical axis direction; And

And a first and second cover portions coupled to the base member,

Each of the first and second driving portions may be disposed on one side of the base member.

According to various embodiments of the present invention, in a dual camera module,

A base member for coupling the first and second lens assembly units and the first and second drive units for driving the first and second lens assembly units upward and downward in the optical axis direction; And

And a first and second cover parts coupled to the base member and respectively coupled to the first and second lens assembly parts,

The first and second driving units may be disposed symmetrically with respect to the first and second lens assemblies so as to be spaced apart from each other.

According to various embodiments of the present invention,

The first and second driving portions can be arranged symmetrically with respect to the base member so that the magnetic field interference between the magnetic bodies and the coil portions provided in the first and second driving portions can be avoided, have.

In addition, in the dual camera module in which the first and second cover parts for covering the first and second lens assembly parts are separately formed on the base member and the assembly is completed, in the first and second lens assembly parts, Disassembling and assembling only the cover portion of the assembly portion facilitates assembly and disassembly of the product.

In addition, the first and second driving units can be separately active aligned to improve the initial alignment of the dual camera module, thereby improving the resolution quality of the product.

In addition, the first and second driving units can be formed in the base member to implement the respective auto focus functions of the dual camera modules. As a result, it is possible to realize a 3D image using the left and right angle of view angles, It is possible to realize zooming using an optical system having different left and right magnification ratios of the lens assembly unit and also to improve the resolution of the product and thereby to further improve the use of the product have.

1 is an exploded perspective view showing a configuration of a dual camera module according to a preferred embodiment of the present invention.
2 is an exploded side view showing a configuration of a dual camera module according to a preferred embodiment of the present invention.
3 is a perspective view illustrating a coupled state of a dual camera module according to a preferred embodiment of the present invention.

The terms used in various embodiments of the present invention will be briefly described and various embodiments of the present invention will be described in detail.

Although the terms used in various embodiments of the present invention have been chosen to take into account the functionality in the various embodiments of the present invention, it is to be understood that they are not intended to limit the scope of the present invention to the general intentions or the precedents of those skilled in the art, And the like. Also, in certain cases, some terms are arbitrarily selected by the applicant, and the meaning thereof will be described in detail in the description of the various embodiments of the present invention. Therefore, the terms used in various embodiments of the present invention should not be construed to be mere terms, but rather should be defined based on the meaning of the terms and throughout the various embodiments of the present invention.

Also, terms including ordinal numbers such as first, second, etc. may be used to describe various elements, but the elements are not limited to these terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

Hereinafter, a dual camera module provided in an electronic device (not shown) according to various embodiments of the present invention will be described. First, an application example of the electronic device according to an embodiment of the present invention includes all mobile communication terminals operating based on communication protocols corresponding to various communication systems, a portable multimedia player (PMP) ), An MP3 player, a navigation device, a game machine, a notebook, a netbook, a billboard, a TV, a digital broadcasting player, a PDA, a smart phone, a tablet PC, An information communication device, a multimedia device, and an application device therefor.

2 is an exploded side view showing a configuration of a dual camera module 10 according to the present invention. FIG. 3 is a sectional view of the dual camera module 10 according to the present invention. FIG. 2 is a perspective view illustrating a state in which the dual camera module 10 according to the embodiment of FIG.

The configuration of the dual camera module 10 will be described with reference to FIGS. 1 and 2. FIG. The dual camera module 10 includes a base member 20 and first and second lens assembly parts 30 and 40 having lenses 30a and 40a and first and second driving parts 50 and 60 ),

The base member 20 is provided with the first and second lens assembly parts 30 and 40 and the first and second driving parts 50 and 60. In addition, the base member 20 may be integrally formed to minimize the length in the width direction perpendicular to the optical axis.

That is, the base member 20 is provided with first and second engaging portions 21 and 22 (second engaging portions) to be engaged with the first and second lens assemblies 30 and 40 and the first and second driving portions 50 and 60 The first and second lens assembly parts 30 and 40 and the first and second driving parts 50 and 60 are coupled to the first and second coupling parts 21 and 22 .

The first and second driving portions 50 and 60 are provided on the outer periphery of the first and second lens assemblies 30 and 40 and the first and second driving portions 50 and 60 Place them symmetrically so that they are far away.

The first and second driving portions 50 and 60 are symmetrically disposed at both ends in the longitudinal direction of the base member 20 so that the first and second driving portions 50 and 60 are disposed without being interfered by the magnetic fields of the first and second driving portions 50 and 60 The driving performance of the first and second driving units 50 and 60 can be improved. That is, the first and second driving units 50 and 60 are spaced apart from each other on one side of the base member 20, thereby minimizing magnetic interference between the first and second driving units 50 and 60.

In addition, the first and second lens assemblies 30 and 40 and the first and second driving portions 50 and 60 may be arranged diagonally or in parallel on the same plane. In the present embodiment, the first and second lens assemblies 30 and 40 and the first and second driving units 50 and 60 are arranged in a diagonal direction and a parallel arrangement, but the present invention is not limited thereto. That is, the first and second lens assemblies 30 and 40 and the first and second driving units 50 and 60 may be arranged in various ways as long as they are arranged side by side on the same plane. Here, the first and second lens assemblies 30 and 40 and the first and second driving units 50 and 60 are arranged in parallel in this embodiment.

In other words, the first and second driving portions 50 and 60 may be arranged in parallel on the same plane.

The first and second driving units 50 and 60 can drive the first and second lens assemblies 30 and 40 to have the same angle of view and magnification and to drive them asymmetrically and differently.

That is, the first and second driving units 50 and 60 not only enable the 3D image realization using the left and right angle differences of the lenses 30a and 40a, but also realize the perspective of the depth of field It is possible. In addition, it is possible to zoom by using the optical system by making the magnifications of the lenses 30a and 40a different from each other.

In addition, the first and second driving units 50 and 60 may be separately activated. The above-described active alignment means that the ball guide portion is aligned before it is fixed with an adhesive so that a lens surface perpendicular to the optical axis and an image sensor (not shown) can maintain a state in which they are mutually parallel. It is possible to have a structure in which the facing portion and the inter-magnetic body alignment structure and the yoke on the outer side of the base member are coupled and fixed to each other.

That is, the base member 20 is provided in the lower part of the first and second driving parts 50 and 60 and supports the first and second driving parts 50 and 60, First and second elastic members 23 and 24 may be provided to provide an elastic force to enable active alignment of the first and second elastic members 50 and 60.

The first and second elastic members 23 and 24 may be plate springs. Of course, the elastic members 23 and 24 other than the leaf spring may be applied to the first and second elastic members 23 and 24. For example, the first and second elastic members 23 and 24 may be any one of a wire spring and a coil spring.

Here, the Active Align is an alignment method for fixing the first and second driving portions 50 and 60 to the base member 20 after the camera module is initially aligned. In other words, when the first and second elastic members 23 and 24 are initially contracted when the first and second driving portions 50 and 60 are pressed, the first and second elastic members 23 and 24 are retracted from the first and second driving portions 50 and 60 ) 60 to the original position.

The dual camera module may be one of a VCM type camera module and an encoder type camera module. In the present embodiment, the dual camera module includes the VCM type camera module and the encoder type camera module, but the present invention is not limited thereto. That is, the dual camera module may be variously used as long as it is a camera module that drives the lens assembly units 30 and 40 by the driving units 50 and 60. In this embodiment, the encoder (Encode) type camera module will be described.

Hereinafter, the assembly process of the dual camera module 10 will be described in more detail with reference to FIGS. 2 and 3. Referring to FIG. 2, first, The first and second lens assemblies 30 and 40 are symmetrically coupled to the first and second lens units 21 and 22 and the first and second driving units 50 and 60 are disposed at both ends of the base member 20, Are symmetrically joined to each other.

In this state, the first cover assembly 70 is coupled to the first lens assembly 30 and the first driver 50, and the second lens assembly 40 and the second driver 60 And the second cover portion 80 is engaged with the second cover portion 80. At the same time, the first and second cover portions (70, 80) are fastened to the base member (20).

The first and second fastening portions 71 and 81 provided on the first and second cover portions 70 and 80 are fastened and fixed to the fastening protrusion 25 formed on the base member 20 .

1, the first and second driving units 50 and 60 may include a first lens assembly unit 30, a second lens assembly unit 30, A pair of drive guide portions 52, a first position detecting sensor portion 53, and a plurality of balls 54. The first coil portion 51,

 The first lens assembly 30 includes a first magnetic body 31 and a support member 32 and is coupled to the base member 20. The first coil part 51 is adapted to generate a driving force corresponding to the magnetic body. The pair of drive guide portions 52 are formed integrally with the base member 20 to guide driving of the first lens assembly 30. The first position sensing unit 53 is provided at a position adjacent to the first coil unit 51 to sense a change in position of the first magnetic body 31. The plurality of balls 54 are provided between the drive guide portion 52 and the support member 32 to separate the drive guide portions 52 and the support member 32 from each other. The support member 32 is disposed to face the drive guide unit 52 formed integrally with the base member 20 and is separated from the drive guide unit 52 by the balls 54. [ .

The second driving unit 60 includes a second lens assembly unit 40, a second coil unit (not shown), a pair of driving guide units 62, a second position sensing unit And a plurality of balls 64. As shown in Fig.

 The second lens assembly 40 includes a second magnetic body 41 and the support member 42 and is coupled to the base member 20. The second coil part (not shown) is adapted to generate a driving force corresponding to the magnetic body. The pair of drive guide portions 62 are formed integrally with the base member 20 to guide driving of the second lens assembly 40. [ The second position sensing unit 63 is provided at a position adjacent to the second coil unit (not shown) to sense a change in the position of the second magnetic body 41. The plurality of balls 54 are provided between the drive guide portion 62 and the support member 42 to separate the drive guide portions 62 and the support member 42 from each other. The support member 42 is disposed to face the drive guide unit 62 formed integrally with the base member 20 and is separated from the drive guide unit 62 by the balls 64. [ .

The operation of the dual camera module 10 (shown in FIG. 1) in a state where the assembly is completed will be described. If the first and second coil parts are not powered, the first and second magnetic bodies 31, (41) moves to align in the center direction of the first and second coil portions provided on the yoke portion. This is due to the attractive force between the first and second magnetic bodies 31 and 41 and the first and second coil parts. Therefore, the first and second lens assemblies 30 and 40 can move in both upward and downward directions without any interference.

In this state, the first and second driving units 50 and 60 can be active aligned separately. That is, the first and second elastic members 23 and 24, which provide an elastic force to enable the active alignment of the first and second driving units 50 and 60, The first and second elastic members 23 and 24 are retracted when the first and second driving portions 50 and 60 are initially aligned and then the first and second elastic members 23 and 24 are removed from the first and second driving portions 50 and 60, 50) 60 to their original positions. Therefore, the first and second driving portions 50 and 60 can be actively aligned by the first and second elastic members 23 and 24, respectively.

In this state, when the first and second driving portions 50 and 60 are simultaneously driven and the lens angle and magnification of the first and second lens assemblies 30 and 40 are made identical, The first and second coil units generate a force of the same electric field and the same electric field due to the first and second coil units and the first and second coil units are applied to the first and second coil units, The magnetic fields of the first and second magnetic bodies 31 and 41 interact with each other to drive the first and second lens assemblies 30 and 40 in both upward and downward directions.

When the first and second driving portions 50 and 60 are driven differently according to the angle of view and magnification of the lenses of the first and second lens assemblies 30 and 40, When the magnitude of the power source is differently applied, the first and second coil portions generate different electric field forces, and the forces of different electric fields due to the first and second coil portions and the forces of the first and second magnetic bodies 31 The first and second lens assemblies 30 and 40 are driven in different directions in both the upward and downward direction by the interaction of the magnetic fields of the first and second lens assemblies 30 and 40. In this case, Make the lens angle of view and magnification different.

That is, the first and second coil parts 50 and 60 are driven differently by different electric fields of the first and second coil parts, and the first and second lens assembly parts 30 and 40 ) And the magnification. At this time, it is possible to realize a 3D image realization and a depth of field (perspective) using the angle of view and magnification difference of the first and second lens assembly parts 30 and 40, as well as zoom using an optical system. The resolution of the dual camera module 10 can also be improved.

When a failure occurs in the assembled dual camera module 10, a single cover (not shown) is first separated from a base member (not shown) in an existing dual camera module (not shown) (Not shown) and the respective lens assemblies (not shown) are separated from each other, it is necessary to disassemble and assemble both the conventional driving parts and the lens assembly parts (not shown) There was.

Accordingly, in the present embodiment, in the dual camera module 10 (shown in FIG. 1) completed in the assembling, the lens assembly body part 30, which is defective when any failure occurs in any one of the first and second lens assembly parts 30, Can be disassembled and assembled.

For example, when the first lens assembly 30 is defective, only the first cover part 70 coupled to the first lens assembly 30 is detached, and the first lens assembly 30, Only the body portion 30 is separated from the first engagement portion 21 of the base member 20 and then only the first lens assembly 30 is coupled to the first engagement portion 21 . Then, only the first cover portion 70 is coupled to the first lens assembly 30 and the base member 20 again.

Here, if the second lens assembly 40 is defective, the disassembly and assembly of the first lens assembly 30 may be performed as described above. Therefore, the disassembling and assembling process of the second lens assembly 40 is omitted.

In this way, only the lens assembly parts in which the defects are generated in the first and second lens assembly parts 30 and 40 in the completed dual camera module can be assembled, so that the assembling process of the product is simplified, , Thereby reducing the cost and time of the assembly process. In other words, each of the first and second cover portions is formed with a stopper at a portion facing each of the first and second drive portions, thereby enabling independent rework.

 The first and second lens assembly parts 30 and 40, the first and second driving parts 50 and 60 and the first and second cover parts 70 and 80 are provided on one base member 20, The first and second lens assemblies 30 and 40 and the first and second driving units 50 and 60 are separated from each other by reducing the size of the base member 20, And between the first and second cover portions (70, 80). This makes it possible to miniaturize the product.

That is, a space H is formed between the first and second lens assembly parts 30 and 40, and the space between the spaces H is shortened to reduce the length of the base member 20, Can be further downsized.

In other words, in a state in which the first and second lens assembly parts 30 and 40, the first and second driving parts 50 and 60, and the first and second cover parts 70 and 80 are maintained , Thereby reducing the size of the base member (20).

Although the present invention has been fully described by way of example with reference to the accompanying drawings, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. It will be clear to those who have.

Base member: 20 First and second lens assembly parts: 30, 40
First and second driving parts: 50, 60 First and second cover parts: 70, 80
First and second magnetic bodies 31 and 41 Support members 32 and 42
First coil part: 51 Drive guide part: 52, 62
First Position Sensing Sensor Unit: 53 Ball: 54, 64
First and second coupling parts: 21, 22 First and second elastic members: 23, 24

Claims (12)

In a dual camera module,
A base member for coupling the first and second lens assembly units and the first and second drive units for driving the first and second lens assembly units upward and downward in the optical axis direction; And
And a first and second cover portions coupled to the base member,
Wherein each of the first and second driving portions is disposed on one side of the base member.
The dual camera module according to claim 1, wherein the base member is integrally formed.
In a dual camera module,
A base member for coupling the first and second lens assembly units and the first and second drive units for driving the first and second lens assembly units upward and downward in the optical axis direction; And
And a first and second cover parts coupled to the base member and respectively coupled to the first and second lens assembly parts,
Wherein the first and second driving units are disposed on the outer periphery of the first and second lens assemblies, and are disposed symmetrically with respect to each other.
The dual camera module according to claim 3, wherein the first and second lens assembly parts and the first and second driving parts are arranged in a diagonal direction or in parallel on the same plane.
4. The dual camera module as claimed in claim 3, wherein the first and second driving units are configured to drive the first and second lens assembly units to have the same angle of view and magnification, asymmetrically and differently.
The dual camera module according to claim 3, further comprising: a stopper formed in a portion of each of the first and second cover portions facing each of the first and second driving portions.
4. The dual camera module as claimed in claim 3, wherein the first and second driving portions are arranged symmetrically at one end of the length of the base member.
The dual camera module according to claim 3, wherein the dual camera module comprises any one of a VCM type camera module and an encoder type camera module.
4. The apparatus of claim 3, wherein the first driver comprises:
A first lens assembly portion having a first magnetic body and a supporting member;
A first coil part generating a driving force corresponding to the first magnetic body;
A pair of drive guide portions formed on the base member and guiding the driving of the first lens assembly portion;
A first position sensing unit for sensing a positional change of the first magnetic body; And
And a plurality of balls provided between the driving guide portions and the supporting member to separate the driving guide portions from the supporting member.
The apparatus of claim 3, wherein the second driving unit comprises:
A second lens assembly portion having a second magnetic body and a supporting member;
A second coil part for generating a driving force corresponding to the second magnetic body;
A pair of drive guide portions formed on the base member and guiding the driving of the second lens assembly portion;
A second position sensing unit for sensing a change in position of the second magnetic body; And
And a plurality of balls provided between the driving guide portions and the supporting member to separate the driving guide portions from the supporting member.
The dual camera module according to claim 3, wherein the base member is provided with first and second coupling portions for coupling the first and second lens assembly portions.
[5] The apparatus of claim 3, wherein the base member is provided at a lower portion of the first and second driving units, and supports the first and second driving units, and the first and second driving units are active aligned A dual camera module comprising first and second elastic members for providing an elastic force.
KR1020140038013A 2014-03-31 2014-03-31 Dual camera lens module KR20150113675A (en)

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