Driving device, camera module, and portable terminal device
By designing the electromagnetic drive system in the camera module, the optical unit tilted the two axes, solved the problem of friction torque and lens eccentricity or tilt during the zoom process, and realized high -quality picture capture and low -power OIS functions.
Patent Information
- Application Number
- CN202411371508.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2019-10-15
- Filing Date
- 2020-07-28
- Publication Date
- 2025-01-28
AI Technical Summary
The existing camera module generates friction torque during zooming, resulting in a decrease in driving force, an increase in power consumption or a deterioration in control characteristics. At the same time, when implementing the optical image stabilizer (OIS) function, there is a problem of lens eccentricity or tilt, which affects the image quality and Resolution.
A driver and camera module design is adopted. Among them, the optical unit is set up through the second guidance department and the first guide department, and the electromagnetic interaction of the first driver and the second drive department is used to tilt the optical unit about the two axes. So as to reduce friction torque and ensure the accurate accuracy of lens and image sensors.
Effectively reduce the friction torque during zoom, prevent lens preferences or tilt, improve the quality and resolution of the picture, while achieving a low -power OIS function.
Smart Images

Figure CN119383445A_ABST
Abstract
Description
[0001] Divisional application
[0002] This application is a divisional application of the Chinese invention application No. 202080055292.2. The invention name of the Chinese invention application No. 202080055292.2 is “Driving device, camera module and portable terminal device”, and the application date is July 28, 2020. Technical Field
[0003] The present embodiment relates to a driving device, a camera module and a portable terminal device. Background Art
[0004] The camera module photographs a subject and stores it as an image or a video, and is mounted on mobile terminals such as mobile phones, notebook computers, drones, and vehicles.
[0005] Meanwhile, portable devices such as smartphones, tablets, and notebook computers have built-in micro camera modules, and these camera modules can perform an auto focus (AF) function by automatically adjusting the distance between an image sensor and a lens to align the focus of the lens.
[0006] Camera modules in recent years may perform a zoom function of zooming in or out by increasing or decreasing the magnification of a distant object through a zoom lens.
[0007] Additionally, recent camera modules employ image stabilization (IS) technology to correct or prevent image shaking due to camera movement caused by unstable fixtures or user movement.
[0008] Such image stabilization (IS) technology includes an optical image stabilizer (OIS) technology, an image stabilization technology using an image sensor, and the like.
[0009] OIS technology is a technology that corrects movement by changing the path of light, while image stabilization technology using an image sensor is a technology that corrects movement through mechanical and electronic methods, but OIS technology is being increasingly adopted.
[0010] Meanwhile, a zoom actuator is used for a zoom function in a camera module and generates friction torque when a lens moves due to mechanical movement of the actuator, and this friction torque causes technical problems such as a decrease in driving force, an increase in power consumption, or deterioration in control characteristics.
[0011] In particular, in order to obtain optimal optical characteristics by using a plurality of zoom lens groups in a camera module, the alignment between the plurality of lens groups and the alignment between the plurality of lens groups and the image sensor must be well matched, but when decentering (decentering is a phenomenon in which the center of the spherical surface between the lens groups deviates from the optical axis) or tilt (tilt is a phenomenon in which the lens is tilted) occurs or the central axis of the lens group is misaligned with the image sensor, a change in viewing angle or defocusing occurs, which will adversely affect picture quality or resolution.
[0012] Meanwhile, when a lens is moved in a camera module to implement a zoom function, a technical inconsistency problem occurs when a separation distance is increased in an area where friction occurs to reduce friction torque resistance, wherein lens decentering or lens tilt deepens during zoom movement or zoom reversal.
[0013] At the same time, as image sensors move toward higher pixels, resolution increases and pixel size becomes smaller, and as pixels become smaller, the amount of light received at the same time decreases. Therefore, as the resolution of the camera becomes higher, image shake caused by hand shake that occurs when the shutter speed is slowed down in a dark environment becomes more serious.
[0014] Therefore, in order to capture images without distortion using a high-resolution camera at night or in moving pictures, the OIS function has been basically adopted in recent years.
[0015] Meanwhile, the OIS technology is a method of correcting image quality by moving the lens or image sensor of a camera to correct an optical path. Specifically, the OIS technology detects the movement of the camera through a gyro sensor and calculates a distance that the lens or image sensor needs to move based thereon.
[0016] For example, for OIS correction methods, there are a lens shift method and a module tilt method. In the lens shift method, only the lens in the camera module is moved to realign the center of the image sensor and the optical axis. On the other hand, the module tilt method is a method of moving the entire module including the lens and the image sensor.
[0017] In particular, the module tilt method has a wider correction range than the lens shift method, and has an advantage of being able to minimize image deformation since the focal length between the lens and the image sensor is fixed.
[0018] Meanwhile, in the case of the lens shift method, a position recognition sensor (such as a Hall sensor) is used to detect the position and movement of the lens. On the other hand, in the module tilt method, a light reflector is used to detect the movement of the module. However, both methods use a gyroscope sensor to sense the movement of the camera user.
[0019] The OIS controller uses data recognized by the gyro sensor to predict where the lens or module should move to compensate for the user's movement.
[0020] According to recent technological trends, ultra-thin and ultra-small cameras are required, but there are space limitations for OIS operation in ultra-small camera modules, making it difficult to implement the OIS function applied to general large cameras, and there is a problem that ultra-small camera modules cannot be implemented when OIS driving is applied.
[0021] In addition, in the conventional OIS technology, within the limited size of the camera module, since the OIS driver is disposed on the side surface of the solid lens assembly, the size of the lens as the object of OIS is limited, making it difficult to secure the amount of light.
[0022] In particular, in order to obtain optimal optical characteristics by using multiple zoom lens groups in a camera module, the alignment between the multiple lens groups and the alignment between the multiple lens groups and the image sensor must be well matched, but in the conventional OIS technology, there is a problem of change in viewing angle or defocusing when decentration (decentration is a phenomenon in which the center of the spherical surface between the lens groups deviates from the optical axis) or tilt (tilt is a phenomenon in which the lens is tilted), thereby adversely affecting the picture quality or resolution.
[0023] In addition, in the conventional OIS technology, AF or zoom can be implemented simultaneously with the OIS drive, but due to the space limitation of the camera module and the position of the driving part of the existing OIS technology, the magnet for OIS and the magnet for AF or zoom are placed close to each other, thereby causing magnetic interference, and thus there is a problem that the OIS drive cannot work normally, thereby causing eccentricity or tilt.
[0024] In addition, since the conventional OIS technology requires a mechanical driving device to move the lens or tilt the module, there are problems of complex structure and increased power consumption.
[0025] With the widespread popularity of various portable terminals and the commercialization of wireless Internet services, consumers' demands for portable terminals are also diversifying, so that various types of additional devices are being installed in the portable terminals.
[0026] Among them, there is a camera module for photographing an object as a photo or a moving picture. In recent years, a camera module mounted on a portable terminal adopts an image stabilization (IS) technology to correct or prevent image shaking caused by camera movement due to an unstable fixed device or user movement. Such an image stabilization (IS) technology includes an optical image stabilizer (OIS) technology, an image stabilization prevention technology using an image sensor, and the like.
[0027] OIS technology is a technology that corrects movement by changing the path of light, while image shake prevention technology using an image sensor is a technology that compensates for movement by mechanical and electronic methods, but OIS technology is being increasingly adopted.
[0028] Meanwhile, regarding methods of OIS correction, there are a lens shift method in which only the lens in the camera module is moved to realign the center of the image sensor and the optical axis, and a module tilt method in which both the lens and the module are moved.
[0029] In the case of the lens shift method, there is a problem that as the tilt angle of the camera increases, the corrected image differs from the original image.
[0030] In addition, according to the technical trend in recent years, an ultra-thin and ultra-small camera module is required, but in the ultra-small camera module, there is a problem that a space for OIS driving is limited in the module tilting method. Summary of the invention
[0031] Technical Topics
[0032] A subject to be solved by a first embodiment of the present invention is to provide a driving device, a camera module, and a portable terminal device capable of preventing friction torque generated when each lens group moves through zooming in a camera module.
[0033] In addition, the subject to be solved by the first embodiment of the present invention is to provide a driving device, a camera module and a portable terminal device, which can prevent the phenomenon that the center of the lens and the central axis of the image sensor do not coincide when each lens group is moving through the zoom in the camera module (wherein the lens is eccentric or the lens is tilted, etc.).
[0034] In addition, the subject to be solved by the first embodiment of the present invention is to provide an ultra-thin and ultra-compact driving device, a camera module, and a portable terminal device.
[0035] In addition, the subject matter to be solved by the first embodiment of the present invention is to provide a driving device, a camera module, and a portable terminal device, which can ensure a sufficient amount of light by eliminating the size limitation of the lens in the lens assembly of the optical system when implementing OIS.
[0036] In addition, a subject to be solved by the first embodiment of the present invention is to provide a driving device, a camera module, and a portable terminal device capable of realizing optimal optical characteristics by minimizing the occurrence of decentering or tilting when implementing OIS.
[0037] In addition, a subject to be solved by the first embodiment of the present invention is to provide a driving device, a camera module, and a portable terminal device, which can prevent magnetic field interference with a magnet for AF or zooming when implementing OIS.
[0038] In addition, a subject to be solved by the first embodiment of the present invention is to provide a driving device, a camera module, and a portable terminal device, which can implement OIS with low power consumption.
[0039] A second embodiment of the present invention provides a camera module having a module tilting method for tilting the entire module through a hinge structure.
[0040] In addition, a subject to be solved by a second embodiment of the present invention is to provide a camera module in which a tilt angle is maximized while minimizing an increase in volume through a hinge structure.
[0041] In addition, a camera module capable of achieving 2-axis tilting via a hinge is provided.
[0042] Technical Solutions
[0043] A driving device according to a first embodiment of the present invention for realizing the above-mentioned subject matter includes: a second guide portion; a first guide portion, which is arranged in the second guide portion; an optical unit, which is arranged in the first guide portion; a first driving portion, which is arranged in the optical unit; and a second driving portion, which is arranged opposite to the first driving portion, wherein the first guide portion includes: a first fixed portion, which is connected to the second guide portion; a first movable portion, which is connected to the optical unit; and a first connecting portion, which is used to connect the first fixed portion to the first movable portion, and wherein the optical unit is tilted by the first movable portion with the first connecting portion as an axis.
[0044] In addition, the first fixing portion and the first moving portion are vertically disposed, and a predetermined gap is formed between the first fixing portion and the first moving portion.
[0045] In addition, the driving device includes: a third driving part and a fourth driving part, which are arranged in the second guide part; and a lens unit, which is connected to the second guide part, wherein the second guide part may include: a second movable part, the first fixed part is connected to the second movable part; a second fixed part, which is connected to the lens unit; and a second connecting part, which connects the second movable part and the second fixed part.
[0046] In addition, the optical unit is tilted by the second moving portion with the second connecting portion as an axis.
[0047] In addition, the second fixing portion and the second moving portion are vertically disposed, and a predetermined gap is formed between the second fixing portion and the second moving portion.
[0048] In addition, the first fixed portion includes three surfaces, the first movable portion includes three surfaces, and the first connecting portion can connect two of the three surfaces of the first fixed portion with two of the three surfaces of the first movable portion, respectively.
[0049] In addition, the second fixed portion includes three surfaces, the second movable portion includes three surfaces, and the second connecting portion may connect one of the three surfaces of the second fixed portion with one of the three surfaces of the second movable portion.
[0050] In addition, the three surfaces of the second fixed part face each of the three surfaces of the first movable part, and the three surfaces of the second movable part face each of the three surfaces of the first fixed part; the first connecting part connects two surfaces of the three surfaces of the first fixed part facing each other with two surfaces of the three surfaces of the first movable part facing each other; and the second connecting part can connect the surfaces of the three surfaces of the second fixed part that do not face each other with the surfaces of the three surfaces of the second movable part that do not face each other.
[0051] In addition, the third driving unit is arranged on at least one of the three surfaces of the second movable unit, the fourth driving unit is arranged on at least one of the three surfaces of the second fixed unit, and the surface provided with the third driving unit and the surface provided with the fourth driving unit can be positioned to correspond to each other.
[0052] In addition, a lens coupling portion to which the lens unit is coupled may be provided on two surfaces facing each other among three surfaces of the second fixing portion.
[0053] In addition, a third guide portion is included, the third guide portion is provided between the first guide portion and the second guide portion, and the first fixing portion may be coupled to the second guide portion through the third guide portion.
[0054] In addition, the second moving portion may be coupled to the first guide portion through the third guide portion.
[0055] In addition, the driving device includes a substrate, on which the second driving unit and the third driving unit are arranged, and the substrate may include: a first area, in which a part of the second driving unit is arranged; a second area, in which the third driving unit is arranged; and a connecting part, which connects the first area and the second area.
[0056] In addition, the first area of the substrate faces the optical unit, and the second area of the substrate may be coupled to the second moving portion of the second guide portion.
[0057] In addition, the optical unit includes a prism mover and a prism disposed on the prism mover, and the prism mover may include a groove that receives at least a portion of the first driving part.
[0058] In addition, the groove may include: a first groove in which at least a portion of the second driving part is disposed; and a second groove in which at least a portion of the first driving part is disposed.
[0059] In addition, the second groove is formed in the first groove, and sizes of the first groove and the second groove may be different from each other.
[0060] A driving device according to a first embodiment of the present invention for achieving the above-mentioned subject matter includes: a second guide portion; a first guide portion, which is arranged in the second guide portion; an optical unit, which is arranged in the first guide portion, wherein the second guide portion includes: a fixed portion; and a moving portion, which is coupled to the first guide portion and connected to the fixed portion, and wherein the optical unit is tilted about a first axis through the first guide portion, and the optical unit is tilted about a second axis different from the first axis through the moving portion.
[0061] Additionally, the first axis and the second axis may be perpendicular to each other.
[0062] In addition, the optical unit includes a prism mover and a prism arranged on the prism mover, wherein the second axis is a first optical axis incident on the prism or a second optical axis emitted from the prism, and wherein the first axis can be perpendicular to the first optical axis and the second optical axis.
[0063] A camera module according to a first embodiment of the present invention for realizing the above-mentioned subject matter includes: a second guide portion; a first guide portion, which is arranged in the second guide portion; an optical unit, which is arranged in the first guide portion; a first driving portion, which is arranged in the optical unit; a second driving portion, which faces the first driving portion; and a lens unit, which is connected to the second guide portion, wherein the first guide portion includes: a first fixing portion, which is connected to the second guide portion; a first moving portion, which is connected to the optical unit; and a first connecting portion, which connects the first fixing portion with the first moving portion, and wherein the optical unit is tilted with the first connecting portion as an axis through the first moving portion.
[0064] A portable terminal device according to a first embodiment of the present invention for implementing the above-mentioned subject includes: a main body; and a camera module, which is arranged in the main body, wherein the camera module includes: a second guide part; a first guide part, which is arranged in the second guide part; an optical unit, which is arranged in the first guide part; a first driving part, which is arranged in the optical unit; a second driving part, which faces the first driving part; and a lens unit, which is connected to the second guide part, wherein the first guide part includes: a first fixed part, which is connected to the second guide part; a first movable part, which is connected to the optical unit; and a first connecting part, which connects the first fixed part with the first movable part, and wherein the optical unit is tilted by the first movable part with the first connecting part as an axis.
[0065] A camera module according to a second embodiment of the present invention includes: a hinge, in which a fixed part, a first inclined part connected by the fixed part and the first hinge part, and a second inclined part connected by the first inclined part and the second hinge part are integrally formed; a support, which is arranged on the second inclined part of the hinge; a lens driving device, which is arranged in the support; a first driving part, which is arranged in the fixed part of the hinge; and a second driving part, which is arranged in the support, wherein the first inclined part and the second inclined part are inclined on a first axis with respect to the first hinge part, and the second inclined part can be inclined on a second axis with respect to the second hinge part.
[0066] The fixing portion and the first inclined portion may be spaced apart from each other by a predetermined space around the first hinge portion, and the spaced apart space may extend obliquely downward from the first hinge portion.
[0067] The first inclined portion and the second inclined portion may be spaced apart from each other by a predetermined space around the second hinge portion, and the spaced apart space may extend obliquely downward from the second hinge portion.
[0068] A height of the first hinge part from a bottom surface of the fixing part may be higher than a height of the second hinge part from the bottom surface of the fixing part.
[0069] The space formed between the first inclined portion and the second inclined portion of the hinge may include a space extending obliquely upward from the second hinge portion.
[0070] A length of the first hinge portion in a first direction perpendicular to the optical axis may be smaller than a length of the first hinge portion in a second direction perpendicular to the optical axis and the first direction.
[0071] A length of the second hinge part in the second direction may be smaller than a length of the first hinge part in the second direction.
[0072] The hinge includes: a first side wall and a second side wall; a third side wall, which faces the first side wall of the hinge; and a fourth side wall, which faces the second side wall of the hinge, wherein the fixing part of the hinge includes: first fixing parts to fourth fixing parts, which are formed on each of the first to fourth side walls of the hinge; and a first support, which is connected to the first fixing part of the fixing part of the hinge, and wherein the first coil and the second coil can be connected to the first support.
[0073] The first support includes: a first side wall, which is arranged at the outer side of the first fixing part; and a second side wall, which extends from the first side wall of the first support and is arranged at the outer side of the second fixing part, wherein the hinge includes a first protrusion, which protrudes from the outer side surface of the first fixing part, wherein the first support includes a hole, which is formed at a position corresponding to the first protrusion of the first fixing part, and wherein the first protrusion of the first fixing part can be connected to the hole of the first support.
[0074] The camera module includes: a second support connected to the second inclined portion of the hinge; and a third support spaced apart from the second support and arranged in a direction perpendicular to the second support, wherein the first magnet is connected to the second support and the second magnet can be connected to the third support.
[0075] The second support includes: a first portion, which is connected to the upper surface of the hinge; a second portion, which extends from the first portion and is arranged on the outer surface of the second inclined portion; and a third portion, which extends from the second portion and is spaced apart from the outer surface of the second inclined portion, wherein the first magnet can be connected to the third portion of the second support.
[0076] The camera module includes a fourth support, which is connected to the second inclined portion of the hinge, the fourth support includes a carrier arranged on the hinge and a flange formed on the carrier, the flange is arranged between the upper surface of the hinge and the first portion of the second support, the flange includes a protrusion protruding from the upper surface of the flange, the second support includes a hole, the hole is formed in the first portion of the second support and is formed at a position corresponding to the protrusion of the flange of the fourth support, the protrusion of the flange is connected to the hole of the first portion of the second support, and the lens driving device can be arranged in the carrier of the fourth support.
[0077] The lens driving device may include: a substrate; an image sensor disposed in the substrate; a support disposed in the substrate; and a lens coupled to the support and disposed at a position corresponding to the image sensor.
[0078] A camera module according to a second embodiment of the present invention includes: a hinge, which includes a fixed part, a first inclined part connected by the fixed part and the first hinge part, and a second inclined part connected by the first inclined part and the second hinge part; a first coil, which is connected to the fixed part of the hinge; a second coil, which is connected to the fixed part of the hinge and is spaced apart from the first coil; a lens driving device, which is connected to the second inclined part of the hinge; a first magnet, which is connected to at least one of the first inclined part of the hinge, the second inclined part of the hinge and the lens driving device, and the first magnet faces the first coil; and a second magnet, which is connected to at least one of the first inclined part of the hinge, the second inclined part of the hinge and the lens driving device, the second magnet faces the second coil and is arranged in a direction perpendicular to the arrangement direction of the first magnet, wherein the space formed between the fixed part of the hinge and the first inclined part may include a space extending downward from the first hinge part.
[0079] The smartphone according to the second embodiment of the present invention may include the camera module of claim 1 or claim 14 .
[0080] Beneficial effects
[0081] Through the first embodiment of the present invention, it is possible to provide a driving device, a camera module, and a portable terminal device capable of preventing friction torque generated when each lens group moves through zooming in a camera module.
[0082] Through the first embodiment of the present invention, a driving device, a camera module and a portable terminal device can be provided, which can prevent the phenomenon that the center of the lens and the central axis of the image sensor do not coincide when each lens group moves through the zoom in the camera module (such as lens eccentricity or lens tilt).
[0083] In addition, through the first embodiment of the present invention, an ultra-thin and ultra-small driving device, a camera module, and a portable terminal device can be provided.
[0084] In addition, through the first embodiment of the present invention, it is possible to provide a driving device, a camera module, and a portable terminal device capable of ensuring a sufficient amount of light by eliminating the size limitation of a lens in a lens assembly of an optical system when implementing OIS.
[0085] In addition, through the first embodiment of the present invention, it is possible to provide a driving device, a camera module, and a portable terminal device that can exhibit optimal optical characteristics by minimizing the occurrence of decentering or tilting when implementing OIS.
[0086] In addition, through the first embodiment of the present invention, it is possible to provide a driving device, a camera module, and a portable terminal device capable of preventing magnetic field interference with a magnet for AF or zooming when implementing OIS.
[0087] In addition, through the first embodiment of the present invention, it is possible to provide a driving device, a camera module, and a portable terminal device that can implement OIS with low power consumption.
[0088] The second embodiment of the present invention can provide a camera module having a module tilting method for tilting the entire module through a hinge structure.
[0089] In addition, the tilt angle can be maximized while minimizing the volume increase through the hinge structure.
[0090] In addition, two-axis tilting can be achieved via a hinge. BRIEF DESCRIPTION OF THE DRAWINGS
[0091] Figure 1 is a perspective view of a camera module according to a first embodiment of the present invention.
[0092] Figure 2 is an exploded perspective view of a camera module according to a first embodiment of the present invention.
[0093] Figure 3 is a sectional view of a driving device according to a first embodiment of the present invention.
[0094] Figure 4 is a side view of a partial configuration of a driving device according to a first embodiment of the present invention.
[0095] Figure 5 is an operation diagram of the prism according to the first embodiment of the present invention.
[0096] Figures 6 to 9 is a modified embodiment of the connecting portion according to the first embodiment of the present invention.
[0097] Fig.10 is an exploded perspective view of a camera module according to another embodiment of the present invention.
[0098] Fig.11 is a cross-sectional view of a camera module according to another embodiment of the present invention.
[0099] Fig.12 is a side view of a driving device according to another embodiment of the present invention.
[0100] Fig.13 is a rear view of a driving device according to another embodiment of the present invention.
[0101] Fig.14 is a rear view of a drive device with some components removed according to another embodiment of the present invention.
[0102] Fig.15 is a perspective view of a driving device with some components removed according to another embodiment of the present invention.
[0103] Fig.16 is a front view of a driving device with some components removed according to another embodiment of the present invention.
[0104] Fig.17 is a side view of a drive device with some components removed according to another embodiment of the present invention.
[0105] Fig.18 is a rear view of a drive device with some components removed according to another embodiment of the present invention.
[0106] Fig.19 is a perspective view of a camera module according to a second embodiment of the present invention.
[0107] Fig. 20 is an exploded perspective view of a camera module according to a second embodiment of the present invention.
[0108] Fig.21 is a perspective view of a partial configuration of a camera module according to a second embodiment of the present invention.
[0109] Fig. 22 is a plan view of a camera module according to a second embodiment of the present invention.
[0110] Fig.23 It is along Fig. 22 A cross-sectional view taken along line AA.
[0111] Fig.24 and Fig.25 is a side view of a camera module according to a second embodiment of the present invention. DETAILED DESCRIPTION
[0112] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[0113] However, the technical idea of the present invention is not limited to some embodiments to be described, but can be implemented in various forms, and one or more constituent elements can be selectively combined or replaced between the embodiments within the scope of the technical idea of the present invention.
[0114] In addition, the terms (including technical terms and scientific terms) used in the embodiments of the present invention, unless clearly defined and described, can be understood as meanings that can be generally understood by those skilled in the art, and commonly used terms (such as terms defined in dictionaries) can be interpreted in consideration of the background meaning of the relevant technology.
[0115] In addition, the terms used in the present specification are for describing the embodiments and are not intended to limit the present invention.
[0116] In this specification, unless otherwise specified in a phrase, a singular form may include a plural form, and when described as "at least one (or more than one) of A and B and C", it may include one or more of all combinations that can be combined with A, B and C.
[0117] In addition, when describing the components of the embodiments of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are only intended to distinguish a component from other components, and these terms do not limit the nature, order, or sequence of the components.
[0118] Furthermore, when a component is described as being 'connected', 'coupled' or 'interconnected' to another component, the component is not only directly connected, coupled or interconnected to the other component but may also include the case of being 'connected', 'coupled' or 'interconnected' through other components between the other components.
[0119] In addition, when described as being formed or disposed “on” or “under” each component, “on” or “under” means not only including the case where the two components are directly in contact, but also including the case where one or more other components are formed or disposed between the two components. In addition, when expressed as “on” or “under”, it may include not only the meaning of the upward direction, but also the meaning of the downward direction based on one component.
[0120] In an embodiment of the present invention, a portable terminal device (not shown) may include: a main body (not shown); a display unit (not shown), which is arranged on a surface of the main body; and camera modules 10 and 20, which are arranged on the main body.
[0121] The portable terminal device may be any one of a mobile phone, a mobile phone, a smart phone, a portable intelligent device, a digital camera, a notebook computer, a digital broadcast terminal, a personal digital assistant (PDA), a portable multimedia player (PMP) and a navigation device. However, the type of the portable terminal device is not limited thereto, and any device for taking an image or a photo may be included in the portable terminal device.
[0122] Hereinafter, a first embodiment of the present invention will be described in more detail with reference to the accompanying drawings.
[0123] Figure 1 is a perspective view of a camera module according to a first embodiment of the present invention. Figure 2 is an exploded perspective view of a camera module according to a first embodiment of the present invention. Figure 3 is a sectional view of a driving device according to a first embodiment of the present invention. Figure 4 is a side view of a partial configuration of a driving device according to a first embodiment of the present invention. Figure 5 is an operation diagram of the prism according to the first embodiment of the present invention. Figures 6 to 9 is a modified embodiment of the connecting portion according to the first embodiment of the present invention.
[0124] refer to Figures 1 to 5 , the camera module 10 according to the first embodiment of the present invention includes a second guide part 100, a first guide part 200, an optical unit 300, a substrate 400, a first driving part 800, a second driving part 700, a third driving part 500, a fourth driving part 600 and a lens unit 900, but the camera module 10 may be implemented except for some of these components, and additional components are not excluded.
[0125] In the first embodiment of the present invention, the camera module 10 may include a driving device. The driving device according to the first embodiment of the present invention includes a second guide portion 100, a first guide portion 200, an optical unit 300, a substrate 400, a first driving portion 800, a second driving portion 700, a third driving portion 500, and a fourth driving portion 600, but the driving device may be implemented except for some of these components, and additional components are not excluded.
[0126] The camera module 10 may include a second guide portion 100. The first guide portion 200 may be disposed in the second guide portion 100. The third driving portion 500 and the fourth driving portion 600 may be disposed in the second guide portion 100. The second guide portion 100 may rotate the first guide portion 200 about a second axis through electromagnetic interaction between the third driving portion 500 and the fourth driving portion 600. The second guide portion 100 may tilt the optical unit 300 coupled to the first guide portion 200 about the second axis. In the first embodiment of the present invention, the second axis may refer to a second optical axis of light reflected from a reflective surface 312 of a prism 310 of the optical unit 300. The second axis may be orthogonal to the first axis.
[0127] The second guide portion 100 may include a second fixing portion 110. The second fixing portion 110 may be connected to the second moving portion 120 through the second connecting portion 30. The second fixing portion 110 may be spaced apart from the second moving portion 120 in the up-down direction. A gap may be formed between the second fixing portion 110 and the second moving portion 120.
[0128] The fourth driving part 600 may be disposed in the second fixing part 110. The second fixing part 110 may be coupled to the lens unit 900. The second fixing part 110 may include a lens coupling part 118. The lens coupling part 118 of the second fixing part 110 may be coupled to the guide coupling part 910 of the lens unit 900. The lens coupling part 118 of the second fixing part 110 may be coupled to the guide coupling part 910 of the lens unit 900 by snap-fitting.
[0129] The second fixing portion 110 may include three surfaces 112, 114, and 116. The second fixing portion 110 may include a first surface 112, a second surface 114, and a third surface 116. The first surface 112 of the second fixing portion 110 may face the second surface 114 of the second fixing portion 110. The fourth driving portion 600 may be disposed on the first surface 112 of the second fixing portion 110 and the second surface 114 of the second fixing portion 110. The lens coupling portion 118 may be disposed on the first surface 112 of the second fixing portion 110 and the second surface 114 of the second fixing portion 110.
[0130] The third surface 116 of the second fixing portion 110 may connect the first surface 112 of the second fixing portion 110 and the second surface 114 of the second fixing portion 110. The third surface 116 of the second fixing portion 110 may be connected to the third surface 126 of the second moving portion 120 through the second connecting portion 30.
[0131] The first surface 112 of the second fixing portion 110 may face the first surface 212 of the first moving portion 210. The second surface 114 of the second fixing portion 110 may face the second surface 214 of the first moving portion 210. The third surface 116 of the second fixing portion 110 may face the third surface 216 of the first moving portion 210.
[0132] The second guide portion 100 may include a second moving portion 120. The second moving portion 120 may be connected to the second fixing portion 110 through the second connecting portion 30. The second moving portion 120 may be spaced apart from the second fixing portion 110 in the up-down direction. The second moving portion 120 may be disposed in the second fixing portion 110. A gap may be formed between the second moving portion 120 and the second fixing portion 110.
[0133] The third driving part 500 may be provided in the second moving part 120. The second moving part 120 may be coupled to the first guide part 200. In the second moving part 120, a groove 128 may be formed to which the protrusion 228 of the first guide part is coupled. The protrusion 228 of the first guide part 200 may be fitted into the groove 128 of the second moving part 120. Different from this, the protrusion may be formed in the second moving part 120, and the groove may be formed in the first guide part 200.
[0134] The second moving part 120 may be tilted about the second connecting part 30 by electromagnetic interaction between the third driving part 500 and the fourth driving part 600. The second moving part 120 may be tilted about the second axis by electromagnetic interaction between the third driving part 500 and the fourth driving part 600.
[0135] The second moving part 120 may include three surfaces 122, 124, and 126. The second moving part 120 may include a first surface 122, a second surface 124, and a third surface 126. The first surface 122 of the second moving part 120 may face the second surface 124 of the second moving part 120. The first surface 122 of the second moving part 120 may be disposed on the first surface 112 of the second fixing part 110. The second surface 124 of the second moving part 120 may be disposed on the second surface 114 of the second fixing part 110. The third driving part 500 may be disposed on the first surface 122 of the second moving part 120 and the second surface 124 of the second moving part 120.
[0136] The third surface 126 of the second moving portion 120 may connect the first surface 122 of the second moving portion 120 with the second surface 124 of the second moving portion 120. The third surface 126 of the second moving portion 120 may be disposed above the third surface 116 of the second fixing portion 110. The third surface 126 of the second moving portion 120 may be connected to the third surface 116 of the second fixing portion 110 through the second connecting portion 30. A groove 128 may be formed on the third surface 126 of the second moving portion 120, and the protrusion 228 of the first guide portion 200 may be coupled to the groove 128.
[0137] The first surface 122 of the second moving part 120 may face the first surface 222 of the first fixing part 220. The second surface 124 of the second moving part 120 may face the second surface 224 of the first fixing part 220. The third surface 126 of the second moving part 120 may face the third surface 226 of the first fixing part 220.
[0138] The second guide portion 100 may include a second connecting portion 30. The second connecting portion 30 may connect the second fixed portion 110 and the second movable portion 120. The second connecting portion 30 may hinge the second fixed portion 110 and the second movable portion 120. The second connecting portion 30 may connect the third surface 116 of the second fixed portion 110 and the third surface 126 of the second movable portion 120. The second connecting portion 30 may allow the second movable portion 120 to tilt relative to the second fixed portion 110 about the second axis.
[0139] In the first embodiment of the present invention, the second connection portion 30 has been described as being integrally formed with the second guide portion 100 as an example, but the second connection portion 30 may be a hinge member separately connecting the second fixing portion 110 and the second moving portion 120 .
[0140] The camera module 10 may include a first guide portion 200. The first guide portion 200 may be disposed in the second guide portion 100. The first guide portion 200 may be tilted about a second axis by the second guide portion 100. The second driving portion 700 may be disposed in the first guide portion 200. The optical unit 300 may be disposed in the first guide portion 200. The first guide portion 200 may tilt the optical unit 300 about a first axis. In the first embodiment of the present invention, the first axis may be perpendicular to a first optical axis incident on a reflective surface 312 of a prism 310 of the optical unit 300 and a second optical axis reflected from the reflective surface 312. The first axis may be orthogonal to the second axis.
[0141] The first guide portion 200 may include a first fixing portion 220. The first fixing portion 220 may be disposed in the first moving portion 210. The first fixing portion 220 may be connected to the second moving portion 210 through a first connecting portion 230. A predetermined gap may be formed between the first fixing portion 220 and the first moving portion 210.
[0142] The first fixing portion 220 may be coupled to the second guide portion 100. The first fixing portion 200 may be coupled to the second moving portion 120 of the second guide portion 100. The first fixing portion 200 may be tilted about the second axis according to the tilt of the second moving portion 120 of the second guide portion 100. The first fixing portion 200 may include a protrusion 228 coupled to the hole 128 of the second guide portion 100. Different from this, the first fixing portion 200 may include a hole (not shown) to which the protrusion (not shown) of the second guide portion 100 is coupled.
[0143] The first fixing portion 220 may include three surfaces 222, 224, and 226. The first fixing portion 220 may include a first surface 222, a second surface 224, and a third surface 226. The first surface 222 of the first fixing portion 220 may face the second surface 224 of the first fixing portion 220. The third surface 226 of the first fixing portion 220 may connect the first surface 222 of the first fixing portion 220 and the second surface 224 of the first fixing portion 220. The first surface 222 of the first fixing portion 220 may be disposed on the first surface 212 of the first moving portion 210. The second surface 224 of the first fixing portion 220 may be disposed on the second surface 214 of the first moving portion 210. The third surface 226 of the first fixing portion 220 may be disposed on the third surface 216 of the first moving portion 210.
[0144] The first surface 222 and the second surface 224 of the first fixed portion 220 may be connected to the first surface 212 and the second surface 214 of the first movable portion 210, respectively, through the first connecting portion 230. Specifically, the first surface 222 of the first fixed portion 220 may be connected to the first surface 212 of the first movable portion 210 through the first-first connecting portion 232 of the first connecting portion 230, and the second surface 224 of the first fixed portion 220 may be connected to the second surface 214 of the first movable portion 210 through the first-second connecting portion 234 of the first connecting portion 230.
[0145] The third surface 226 of the first fixing portion 220 may be coupled to the second guide portion 100. The third surface 226 of the first fixing portion 220 may be coupled to the second moving portion 120 of the second guide portion 100. The third surface 226 of the first fixing portion 220 may include a protrusion 228, which is coupled to the groove 128 of the second moving portion 120 of the second guide portion 100. The protrusion 228 of the third surface 226 of the first fixing portion 220 may be cooperatively coupled to the groove 128 of the second moving portion 120 of the second guide portion 100. Different from this, when a protrusion (not shown) is formed in the second moving portion 120 of the second guide portion 100, a groove (not shown) may be formed in the third surface 226 of the first fixing portion 220. Thus, the first guide portion 200 may be tilted about the second axis together with the moving portion 120 of the second guide portion 100.
[0146] The first guide portion 200 may include a first moving portion 210. The first moving portion 210 may be disposed below the first fixing portion 220. The first moving portion 210 may be connected to the first fixing portion 220 through a first connecting portion 230. The first moving portion 210 may be tilted relative to the first connecting portion 230 with respect to the first fixing portion 220. The first moving portion 210 may be tilted relative to the first fixing portion 220 with respect to the first axis. The optical unit 300 may be coupled to the first moving portion 210. The optical unit 300 may be slidably coupled to the first moving portion 210. The first moving portion 210 may include a sliding groove through which a protrusion of the optical unit 300 may slide. Different from this, when the groove is formed on the outer surface of the optical unit 300, the first moving portion 210 may have a protrusion that slides in the groove formed on the outer surface of the optical unit 300. Thus, the first moving portion 210 may tilt the optical unit 300 with respect to the first axis.
[0147] The first moving part 210 may include three surfaces 212, 214, and 216. The first moving part 210 may include a first surface 212, a second surface 214, and a third surface 216. The first surface 212 of the first moving part 210 may face the second surface 214 of the first moving part 210. The third surface 216 of the first moving part 210 may connect the first surface 212 of the first moving part 210 and the second surface 214 of the first moving part 210.
[0148] The first surface 212 of the first movable portion 210 may be disposed below the first surface 222 of the first fixed portion 220. The second surface 214 of the first movable portion 210 may be disposed below the second surface 224 of the first fixed portion 220. The third surface 216 of the first movable portion 210 may be disposed below the third surface 226 of the first fixed portion 220.
[0149] The first surface 212 of the first moving part 210 may face the first surface 112 of the second fixing part 110. The second surface 214 of the first moving part 210 may face the second surface 114 of the second fixing part 110. The third surface 216 of the first moving part 210 may face the third surface 116 of the second fixing part 110.
[0150] The first surface 212 and the second surface 214 of the first moving part 210 may be connected to the first surface 222 and the second surface 224 of the second moving part 220, respectively, through the first connecting part 230. Specifically, the first surface 212 of the first moving part 210 is connected to the first surface 222 of the second moving part 220 through the first-first connecting part 232, and the second surface 214 of the first moving part 210 may be connected to the second surface 224 of the second moving part 220 through the first-second connector 234.
[0151] The optical unit 300 may be coupled to the first surface 212 and the second surface 214 of the first moving portion 210. The optical unit 300 may be slidably coupled to the first surface 212 and the second surface 214 of the first moving portion 210. The first surface 212 and the second surface 214 of the first moving portion 210 may include a sliding groove through which the protrusion of the optical unit 300 slides.
[0152] The first guide portion 200 may include a first connection portion 230. The first connection portion 230 may connect the first fixed portion 220 and the first movable portion 210. The first connection portion 230 may hinge the first movable portion 210 to the first fixed portion 220. The first connection portion 230 may include: a first-first connection portion 232, the first-first connection portion 232 connecting the first surface 212 of the first movable portion 210 and the first surface 222 of the first fixed portion 220; and a first-second connection portion 234, the first-second connection portion 234 is used to connect the second surface 214 of the first movable portion 210 and the second surface 224 of the first fixed portion 220.
[0153] In the first embodiment of the present invention, the first connection portion 230 has been described as being integrally formed with the first guide portion 200 as an example, but the first connection portion 230 may be a hinge member for separately connecting the first fixing portion 220 and the first moving portion 210 .
[0154] In the first embodiment of the present invention, as an example, the protrusion 228 is formed on the third surface 226 of the first fixing portion 220 where the first connecting portion 230 is not formed, but differently from this, the protrusion 228 may be formed on the first surface 222 and the second surface 224 of the first fixing portion 220 where the first connecting portion 230 is formed. In this case, the groove 128 of the second moving portion 120 of the second guide portion 100 may also be formed on the first surface 122 and the second surface 124 of the second moving portion 120, and the protrusion 228 formed on the first surface 222 and the second surface 224 of the first fixing portion 220 is inserted into the groove 128.
[0155] The camera module 10 may include an optical unit 300. The optical unit 300 may be disposed in the first guide portion 200. The optical unit 300 may be connected to the second guide portion 100 through the first guide portion 200. The optical unit 300 may be tilted with the first connection portion 230 as an axis through the first moving portion 210 of the first guide portion 200. The optical unit 300 may be tilted about the first axis through the first moving portion 210 of the first guide portion. The optical unit 300 may be tilted with the second connection portion 30 as an axis through the second moving portion 120 of the second guide portion 100. The optical unit 300 may be tilted about the second axis through the second moving portion 120 of the second guide portion 100.
[0156] In the first embodiment of the present invention, it has been described that the second guide portion 100 is tilted about the second axis and the first guide portion 200 is tilted about the first axis, but it is not limited thereto. The tilting axes of the first guide portion 200 and the second guide portion 100 may be changed according to the positions of the first connection portion 230 and the second connection portion 30. Specifically, the third surface 216 of the first moving portion 210 and the third surface 226 of the first fixed portion 220 may be connected by the first connection portion 230. In this case, the first guide portion 200 may be tilted about the second axis, and the arrangement of the first driving portion 800 and the second driving portion 700 may be changed. The second connection portion 30 includes a second-first connection portion (not shown) that connects the first surface 122 of the second moving portion 120 and the first surface 112 of the second fixed portion 110, and may include a second-second connection portion (not shown) that connects the second surface 124 of the second moving portion 120 and the second surface 114 of the second fixed portion 110. In this case, the second guide portion 100 may be inclined about the first axis, and the dispositions of the third driving portion 500 and the fourth driving portion 600 may be changed.
[0157] The first driving part 800 may be disposed in the optical unit 300. The optical unit 300 may face the first area 410 of the substrate 400. The grooves 320 and 330 may be formed in an area of the optical unit 300 facing the second driving part 700. Specifically, the first groove 320 may be formed in an area of the optical unit 300 facing the second driving part 700, and at least a portion of the second driving part 700 is disposed in the first groove 320. The second groove 330 may be formed in an area of the optical unit 300 facing the second driving part 700, and at least a portion of the first driving part 800 is disposed in the second groove 330. The second groove 330 may be formed in the first groove 320 of the optical unit 300. The sizes of the first groove 320 of the optical unit 300 and the second groove 330 of the optical unit 300 may be different from each other. The size of the first groove 320 of the optical unit 300 may be greater than the size of the second groove 330 of the optical unit 300.
[0158] The optical unit 300 may include a prism mover and a prism 310 disposed in the prism mover. A first groove 320 and a second groove 330 of the optical unit 300 may be formed in a lower portion of the prism mover.
[0159] The camera module 10 may include a substrate 400. A second driving part 700 may be disposed in the substrate 400. The substrate 400 may be electrically connected to the second driving part 700. The substrate 400 may supply current to the second driving part 700. A third driving part 500 may be disposed in the substrate 400. The substrate 400 may be electrically connected to the third driving part 500. The substrate 400 may supply current to the third driving part 500. The substrate 400 may be connected to an external power source (not shown).
[0160] The substrate 400 may include a first region 410 in which at least a portion of the second driving unit 700 is disposed, a second region 420 in which at least a portion of the third driving unit 500 is disposed, and a connection portion 430 connecting the first region 410 and the second region 420. The first region 410 of the substrate 400 may face the optical unit 300. The first region 410 of the substrate 400 may face the first driving unit 800.
[0161] The connection portion 430 of the substrate 400 may be bent from the first region 410 of the substrate 400. The second region 420 of the substrate 400 may be bent from the connection portion 430 of the substrate 400.
[0162] The connection portion 430 of the substrate 400 may be coupled to the second guide portion 100. The connection portion 430 of the substrate 400 may be coupled to the second fixing portion 110 of the second guide portion 100. The connection portion 430 of the substrate 400 may be coupled to the first surface 112 and the second surface 114 of the second fixing portion 110 of the second guide portion 100.
[0163] The substrate 400 may include a printed circuit board (PCB). The substrate 400 may include a flexible printed circuit board (FPCB).
[0164] The camera module 10 may include a first driving part 800. The first driving part 800 may be disposed in the optical unit 300. The first driving part 800 may be disposed in the grooves 320 and 330 of the optical unit 300. The first driving part 800 may be disposed in the second groove 330 of the optical unit 300. The first driving part 800 may face the second driving part 700. The first driving part 800 may include a magnet. Different from this, when the second driving part 700 is a magnet, the first driving part 800 may be a coil. The first driving part 800 may tilt the optical unit 300 about the first axis through electromagnetic interaction with the second driving part 700. The first driving part 800 may tilt the first moving part 210 relative to the first fixing part 220 about the first axis through electromagnetic interaction with the second driving part 700. The first driving part 800 may be formed to be smaller than the second driving part 700.
[0165] The camera module 10 may include a second driving part 700. The second driving part 700 may be disposed in the substrate 400. The second driving part 700 may be disposed in the first area 410 of the substrate 400. The second driving part 700 may include a coil. Different from this, when the first driving part 800 is a coil, the second driving part 700 may be a magnet. The second driving part 700 may be electrically connected to the substrate 400. The second driving part 700 may receive current from the substrate 400. The second driving part 700 may face the first driving part 800. The second driving part 700 may tilt the optical unit 300 about the first axis through electromagnetic interaction with the first driving part 800. The second driving part 700 may tilt the first moving part 210 relative to the first fixing part 220 about the first axis through electromagnetic interaction with the first driving part 800. The second driving part 700 may have a smaller height than the first driving part 800. In addition, the second driving part 700 may have a wider direction than the first driving part 800. The second driving part 700 may be formed in a cylindrical shape in which an internal space is formed. At least a partial area of the first driving part 800 may be disposed in at least a portion of the inner space of the second driving part 700 .
[0166] In the first embodiment of the present invention, the second driving part 800 has been described as being disposed in the substrate 400 as an example, but is not limited thereto, and the second driving part 800 may be disposed in the first fixing part 220 .
[0167] In the first embodiment of the present invention, the first driving part 800 is a coil and the second driving part 700 is a magnet, but differently from this, the first driving part 800 may be a magnet and the second driving part 700 may be a coil.
[0168] The camera module 10 may include a third driving part 500. The third driving part 500 may be disposed in the second guide part 100. The third driving part 500 may be disposed in the second moving part 120 of the second guide part 100. The third driving part 500 may be disposed on at least one of the three surfaces 122, 124, and 126 of the second moving part 120 of the second guide part 100. The third driving part 500 may be disposed on the first surface 122 and the second surface 124 of the second moving part 120 of the second guide part 100. The third driving part 500 may face the fourth driving part 600. The third driving part 500 may be disposed in the substrate 400. The third driving part 500 may be disposed in the second area 420 of the substrate 400. The third driving part 500 may be electrically connected to the substrate 400. The third driving part 500 may be electrically connected to the second area 420 of the substrate 400. The third driving part 500 may receive current from the substrate 400. The third driving part 500 may be a coil. The third driving part 500 can tilt the optical unit 300 about the second axis through electromagnetic interaction with the fourth driving part 600. The third driving part 500 can tilt the second moving part 120 relative to the second fixing part 110 about the second axis through electromagnetic interaction with the fourth driving part 600.
[0169] The camera module 10 may include a fourth driving part 600. The fourth driving part 600 may be disposed in the second guide part 100. The fourth driving part 600 may be disposed in the first fixing part 110 of the second guide part 100. The fourth driving part 600 may be disposed on at least one of the three surfaces 112, 114, and 116 of the first fixing part 110 of the second guide part 100. The fourth driving part 600 may be disposed on the first surface 112 and the second surface 114 of the second fixing part 110 of the second guide part 100. The fourth driving part 600 may face the third driving part 500. The fourth driving part 600 may be a magnet. The fourth driving part 600 may tilt the optical unit 300 about the second axis through electromagnetic interaction with the third driving part 500. The fourth driving part 600 may tilt the second moving part 120 relative to the second fixing part 110 about the second axis through electromagnetic interaction with the third driving part 500.
[0170] In the first embodiment of the present invention, as an example, the third driving part 500 is a coil and the fourth driving part 600 is a magnet, but differently from this, the third driving part 500 is a magnet and the fourth driving part 600 may be a coil.
[0171] In the first embodiment of the present invention, although it has been described that the second driving part 700 tilts the optical unit 300 about the first axis through electromagnetic interaction with the first driving part 800, and the third driving part 500 tilts the optical unit 300 about the second axis through electromagnetic interaction with the fourth driving part 600, it is not limited thereto. According to the settings of the first driving part 800 and the second driving part 700, the optical unit 300 can be tilted about the second axis. According to the settings of the third driving part 500 and the fourth driving part 600, the optical unit 300 can be tilted about the first axis.
[0172] The camera module 10 may include a lens unit 900. The lens unit 900 may be coupled to the second guide portion 100. The lens unit 900 may be coupled to the second fixing portion 110 of the second guide portion 100. The lens unit 900 may be coupled to a first surface 112 and a second surface 114 of the second fixing portion 110 of the second guide portion 100. The lens unit 900 may be coupled to a lens coupling unit 118 disposed on the first surface 112 and the second surface 114 of the second fixing portion 110 of the second guide portion 100. The lens unit 900 may include: a first surface 112 of the second fixing portion 110 of the second guide portion 100; and a guide coupling portion 910 coupled to a lens coupling portion 118 disposed on the second surface 114. The guide coupling portion 910 may be coupled to the lens coupling portion 118 by snap-fitting.
[0173] The lens unit 900 may include at least one lens. The at least one lens of the lens unit 900 may be illuminated by light reflected from the reflective surface 312 of the prism 310 of the optical unit 300.
[0174] Will refer to Figures 6 to 9 Various shapes of the first connection part 230 according to the first embodiment of the present invention are described.
[0175] refer to Figure 6 The first connection portion 230 according to the first embodiment of the present invention may be formed in a rectangular shape, thereby simplifying the processing of the first connection portion 230 .
[0176] refer to Figure 7 , grooves may be formed in regions of the first fixing portion 220 and the first moving portion 310 connected to the first connecting portion 230 according to the first embodiment of the present invention. Thus, the rigidity of the first connecting portion 230 may be improved.
[0177] refer to Figure 8 and Fig. 9, a groove is formed in the region of the first fixing portion 220 and the first moving portion 310 connected to the first connecting portion 230 according to the first embodiment of the present invention, and the first connecting portion 230 may be formed in a curved shape. Thus, the rigidity of the first connecting portion 230 may be improved, and the tilting efficiency of the optical unit 300 about the first axis may be improved.
[0178] The shape of the second connection portion 30 according to the first embodiment of the present invention may also be changed in various ways similar to the shape of the first connection portion 230 .
[0179] The driving device of the camera module 10 according to the first embodiment of the present invention can tilt the optical unit 300 about the first axis and the second axis. In the first embodiment of the present invention, as an example, it has been described that the optical unit 300 is tilted about the second axis by the second moving part 120, and the optical unit 300 is tilted about the first axis by the first moving part 210, but differently from this, the optical unit 300 can be tilted about the first axis by the second moving part 120, and the optical unit 300 can be tilted about the second axis by the first moving part 210. In this case, the first connecting part 230 connects the third surface 226 of the first fixing part 220 and the third surface 216 of the first moving part 210, and the second connecting part 30 can also connect the first surface 112 and the second surface 114 of the second fixing part 110 with the first surface 122 and the second surface 124 of the second moving part 120, respectively.
[0180] Fig.10 is an exploded perspective view of a camera module according to another embodiment of the present invention. Fig.11 is a cross-sectional view of a camera module according to another embodiment of the present invention. Fig.12 is a side view of a driving device according to another embodiment of the present invention. Fig.13 is a rear view of a driving device according to another embodiment of the present invention. Fig.14 is a rear view of a drive device with some components removed according to another embodiment of the present invention. Fig.15 is a perspective view of a driving device with some components removed according to another embodiment of the present invention. Fig.16 is a front view of a driving device with some components removed according to another embodiment of the present invention. Fig.17 is a side view of a drive device with some components removed according to another embodiment of the present invention. Fig.18 is a rear view of a drive device with some components removed according to another embodiment of the present invention.
[0181] refer to Figures 10 to 18, a camera module 20 according to another embodiment of the present invention includes: a second guide portion 1100; a first guide portion 1200; an optical unit 1300; a substrate 1400; a first driving portion 1800; a second driving portion 1700; a third driving portion 1500; a fourth driving portion 1600; a lens unit 1900; and a third guide portion 2000, but the camera module 20 may be implemented in addition to some of these components, and additional components are not excluded.
[0182] In another embodiment of the present invention, the camera module 20 may include a driving device. The driving device according to another embodiment of the present invention may include: a second guide 1100; a first guide 1200; an optical unit 1300; a substrate 1400; a first driving part 1800; a second driving part 1700; a third driving part 1500; a fourth driving part 1600; and a third guide 2000, but the driving device may be implemented in addition to some of these components, and additional components are not excluded.
[0183] Hereinafter, differences from the camera module 10 according to the first embodiment of the present invention will be mainly described.
[0184] It can be understood that each of the second guide part 1100, the first guide part 1200, the optical unit 1300, the substrate 1400, the first driving part 1800, the second driving part 1700, the third driving part 1500, the fourth driving part 1600 and the lens unit 1900 according to another embodiment of the present invention which is not described below is the same as the second guide part 100, the first guide part 200, the optical unit 300, the substrate 400, the first driving part 800, the second driving part 700, the third driving part 500, the fourth driving part 600 and the lens unit 900 according to the first embodiment of the present invention.
[0185] The camera module 20 according to another embodiment of the present invention may include a third guide unit 2000. The third guide portion 2000 may be disposed between the first guide portion 1200 and the second guide portion 1100. The third guide portion 2000 may be coupled to the second moving portion 1120 of the second guide portion 1100. The third guide portion 2000 may be tilted about a second axis by the second moving portion 1120 of the second moving portion 1100. The first guide portion 1200 may be coupled to the second guide portion 1100. The first guide portion 1200 may be slidably coupled to the second guide portion 1100. The second guide portion 1100 may include a sliding groove 2020 through which the protrusion 1240 of the first guide portion 1200 slides.
[0186] The third guide portion 2000 may include three surfaces 2002, 2004, and 2006. The third guide portion 2000 may include a first surface 2002, a second surface 2004, and a third surface 2006. The first surface 2002 of the third guide portion 2000 may face the second surface 2004. The third surface 2006 of the third guide portion 2000 may connect the first surface 2002 of the third guide portion 2000 and the second surface 2004 of the third guide portion 2000.
[0187] The first surface 2002 of the third guide portion 2000 may face the first surface 1112 of the second fixing portion 1110 of the second guide portion 1100. The first surface 2002 of the third guide portion 2000 may face the first surface 1122 of the second moving portion 1120 of the second guide portion 1100. The first surface 2002 of the third guide portion 2000 may face the first surface 1222 of the first moving portion 1220 of the first guide portion 1200. The first surface 2002 of the third guide portion 2000 may face the first surface 1212 of the first fixing portion 1210 of the first guide portion 1200.
[0188] The second surface 2004 of the third guide portion 2000 may face the second surface 1114 of the second fixing portion 1110 of the second guide portion 1100. The second surface 2004 of the third guide portion 2000 may face the second surface 1124 of the second moving portion 1120 of the second guide portion 1100. The second surface 2004 of the third guide portion 2000 may face the second surface 1224 of the first moving portion 1220 of the first guide portion 1200. The second surface 2004 of the third guide portion 2000 may face the second surface 1214 of the first fixing portion 1210 of the first guide portion 1200.
[0189] The third surface 2006 of the third guide portion 2000 may face the third surface 1116 of the second fixing portion 1110 of the second guide portion 1100. The third surface 2006 of the third guide portion 2000 may face the third surface 1126 of the second moving portion 1120 of the second guide portion 1100. The third surface 2006 of the third guide portion 2000 may face the third surface 1226 of the first moving portion 1220 of the first guide portion 1200. The third surface 2006 of the third guide portion 2000 may face the third surface 1216 of the first fixing portion 1210 of the first guide portion 1200.
[0190] The third surface 2006 of the third guide portion 2000 may be coupled to the second moving portion 1120 of the second guide portion 1100. The third surface 2006 of the third guide portion 2000 may be coupled to the third surface 1126 of the second moving portion 1120 of the second guide portion 1100. The third surface 2006 of the third guide portion 2000 may be coupled to a groove 1128 formed in the third surface 1126 of the second moving portion 1120 of the second guide portion 1100. The third surface 2006 of the third guide portion 2000 may be fitted into the groove 1128 formed on the third surface 1126 of the second moving portion 1120 of the second guide portion 1100. The third surface 2006 of the third guide portion 2000 may include a protrusion 2010 coupled to the groove 1128 formed on the third surface 1126 of the second moving portion 1120 of the second guide portion 1100. In another embodiment of the present invention, as an example, it will be described that the protrusion 2010 is formed on the third surface 2006 of the third guide portion 2000, and the groove 1128 is formed on the third surface 1126 of the second moving portion 1120 of the second guide portion 1100, but the groove may be formed on the third surface 2006 of the third guide portion 2000, and the protrusion may be formed on the third surface 1126 of the second moving portion 1120 of the second guide portion 1100. Thus, the third guide portion 2000 can be tilted according to the tilt of the second moving portion 1120 of the second guide portion 1100.
[0191] The first guide portion 1200 may be coupled to the first surface 2002 and the second surface 2004 of the third guide portion 2000. On the first surface 2002 and the second surface 2004 of the third guide portion 2000, the protrusion 1240 formed on the first surface 1212 and the second surface 1214 of the first fixing portion 1210 of the first guide portion 1200 may be slidably coupled. The first surface 2002 and the second surface 2004 of the third guide portion 2000 may include a groove 2020 in which the protrusion 1240 formed on the first surface 1212 and the second surface 1214 of the first fixing portion 1210 of the first guide portion 1200 is coupled.
[0192] The first surface 2002 and the second surface 2004 of the third guide portion 2000 may include a sliding groove 2020, and the protrusion 1240 formed on the first surface 1212 and the second surface 1214 of the first fixing portion 1210 of the first guide portion 1200 is slidably coupled to the sliding groove 2020. The sliding groove 2020 may be formed to extend in the second axis direction. Therefore, the third guide unit 2000 can tilt the first fixing portion 1210 of the first guide portion 1200 according to the tilt of the second moving portion 1120 of the second guide portion 1100.
[0193] The first guide portion 1200 may be coupled to the third guide portion 2000. The first guide portion 1200 may be slidably coupled to the third guide portion 2000. The first fixing portion 1210 of the first guide portion 1200 may be disposed below the first moving portion 1220. The first fixing portion 1210 of the first guide portion 1200 may be coupled to the third guide portion 2000. The first fixing portion 1210 of the first guide portion 1200 may be coupled to a first surface 2002 and a second surface 2004 of the third guide portion 2000. The first fixing portion 1210 of the first guide portion 1200 may include a protrusion 1240, which is coupled to the third guide portion 2000. The protrusion 1240 of the first fixing portion 1210 of the first guide portion 1200 may be formed on a first surface 1212 and a second surface 1214 of the first fixing portion 1210.
[0194] The second guide portion 1100 may be coupled to the first guide portion 1200 through the third guide portion 2000. The second moving portion 1220 of the second guide portion 1100 may be coupled to the first fixing portion 1220 of the first guide portion 1200 through the third guide portion 2000.
[0195] The first guide portion 1200 may be coupled to the second guide portion 1100 through the third guide portion 2000. The first fixing portion 1220 of the first guide portion 1200 may be coupled to the second moving portion 1220 of the second guide portion 1100 through the third guide portion 2000.
[0196] The optical unit 1300 may be disposed in the first guide portion 1200. The optical unit 1300 may be coupled to the first moving portion 1220 of the first guide portion 1200. The optical unit 1300 may be coupled to the first surface 1222 and the second surface 1224 of the first moving portion 1220 of the first guide portion 1200. The optical unit 1300 may be coupled to an upper region of the first surface 1222 and the second surface 1224 of the first moving portion 1220 of the first guide portion 1200. A groove 1250 may be formed in an upper region of the first surface 1222 and the second surface 1224 of the first moving portion 1220 of the first guide portion 1200, to which the optical unit 1300 is coupled. The protrusion 1302 of the optical unit 1300 may be seated in the groove 1250 formed in the upper region of the first surface 1222 and the second surface 1224 of the first moving portion 1220 of the first guide portion 1200. Thus, the optical unit 1300 may be tilted according to the tilt of the first moving portion 1220 of the first guide portion 1200 .
[0197] In another embodiment of the present invention, the groove 1128 of the second moving portion 1120 of the second guide portion 1100 may be formed on the first surface 1122 and the second surface 1124 of the second moving portion 1120. In this case, the protrusion 2010 of the third guide portion 2000 may be formed on the third surface 2006 of the third guide portion 2000.
[0198] Hereinafter, the configuration of a lens driving device according to a second embodiment of the present invention will be described with reference to the drawings.
[0199] Fig.19 is a perspective view of a camera module according to a second embodiment of the present invention. Fig. 20 is an exploded perspective view of a camera module according to a second embodiment of the present invention. Fig.21 is a perspective view of a partial configuration of a camera module according to a second embodiment of the present invention. Fig. 22 is a plan view of a camera module according to a second embodiment of the present invention. Fig.23 It is along Fig. 22 A cross-sectional view taken along line AA. Fig.24 and Fig.25 is a side view of a camera module according to a second embodiment of the present invention.
[0200] The camera module 3010 may include a hinge 3100. The hinge 3100 may include a hexahedral shape with an upper surface and a lower surface opened. The hinge 3100 may include a first side wall and a second side wall, a third side wall facing the first side wall, and a fourth side wall facing the second side wall. The lens driving device 3020 may be disposed inside the hinge 3100. The hinge 3100 may be coupled to the lens driving device 3020.
[0201] The hinge 3100 may include a fixing portion 3110. The fixing portion 3110 may be connected to the first inclined portion 3130. The fixing portion 3110 may be connected to the first hinge portion 3120. The fixing portion 3110 may be disposed below the first inclined portion 3130. At least a portion of the fixing portion 3110 may be spaced apart from the first inclined portion 3130 in the optical axis direction. The fixing portion 3110 may be connected to the first inclined portion 3130 through the first hinge portion 3120. The fixing portion 3110 may be disposed at a lower portion of the hinge 3100.
[0202] The fixing portion 3110 may include a first fixing portion 3111 disposed on a first side wall of the hinge 3100. The fixing portion 3110 may include a second fixing portion 3112 disposed on a second side wall of the hinge 3100. The fixing portion 3110 may include a third fixing portion 3113 disposed on a third side wall of the hinge 3100. The fixing portion 3100 may include a fourth fixing portion 3114 disposed on a fourth side wall of the hinge 3100. The first fixing portion 3111 may be formed symmetrically about the third fixing portion 3113 and the optical axis. The first fixing portion 3111 may face the third fixing portion 3113. The first fixing portion 3111 may be coupled to the first support 3200. The second fixing portion 3112 may face the fourth fixing portion 3114. The second fixing portion 3112 may be formed symmetrically with respect to the fourth fixing portion 3114 and the optical axis. The first to fourth fixing portions 3111, 3112, 3113, and 3114 may be integrally formed.
[0203] The first fixing portion 3111 may be formed to be inclined downward from the first hinge portion 3120. The fixing portion 3110 may include a first protrusion 311-1. The first protrusion 311-1 may be formed in the first fixing portion 3111. The first protrusion 311-1 may be formed to protrude from an outer surface of the first fixing portion 3111. The first protrusion 311-1 may be coupled to the hole 3211 of the first support 3200. The first protrusion 311-1 may be inserted into the hole 3211 of the first support 3200.
[0204] The hinge 3100 may include a first hinge portion 3120. At least a portion of the first hinge portion 3120 may include a curved shape. The first hinge portion 3120 may include a curved surface. The first hinge portion 3120 may be connected to the fixed portion 3110. The first hinge portion 3120 may be connected to the first inclined portion 3130. The first hinge portion 3120 may be disposed between the fixed portion 3110 and the first inclined portion 3130. The first hinge portion 3120 may connect the fixed portion 3110 and the first inclined portion 3130. The first hinge portion 3120 may include a plurality of first hinge portions 3120. The plurality of first hinge portions 3120 may include two first hinge portions 3120. One of the two first hinge portions 3120 may be formed on a first side wall of the hinge 3100. The other of the two first hinge portions 3120 may be formed on a third side wall of the hinge 3100. The hinge 3010 may be tilted using an imaginary straight line connecting the center of each of the two first hinge parts 3120 as a first axis. The first inclined portion 3130 and the second inclined portion 3150 may be tilted using an imaginary straight line connecting the center of each of the two first hinge parts 3120 as a first axis. The first inclined portion 3130 may be tilted by using an imaginary straight line connecting the center of each of the two first hinge parts 3120 as a first axis. At this time, the fixed portion 3110 may not be tilted. The first inclined portion 3130 may be tilted relative to the fixed portion 3110 with respect to the first hinge part 3120. The first inclined portion 3130 may be tilted relative to the fixed portion 3110 with respect to the first axis connecting the two first hinge parts 3120. The tilting direction with the first hinge part 3120 as an axis and the tilting direction with the second hinge part 3140 as an axis may be directions orthogonal to each other. The tilting direction with the first hinge portion 3120 as a first axis and the tilting direction with the second hinge portion 3140 as a second axis may be orthogonal to each other.
[0205] The height of the first hinge part 3120 from the bottom surface of the hinge 3100 may be greater than the height of the second hinge part 3140 in the corresponding direction. The height of the first hinge part 3120 from the bottom surface of the first fixing part 3111 may be greater than the height of the second hinge part 3140 from the bottom surface of the second fixing part 3112. At least a portion of the first hinge part 3120 may be arranged higher than the second hinge part 3140. The length between the lower surface of the first hinge part 3120 and the fixing part 3100 in the optical axis direction may be greater than the length between the lower surface of the second hinge part 3140 and the fixing part 3100 in the corresponding direction. The first hinge part 3120 of the first inclined part 3130 positioned relatively lower than the second inclined part 3150 may be placed at a higher position than the second hinge part 3140 of the second inclined part 3150 positioned relatively higher than the first inclined part 3130. The length d1 of the first hinge portion 3120 in the first direction perpendicular to the optical axis may be smaller than the length d2 of the first hinge portion 3120 in the second direction perpendicular to the optical axis and the first direction. Thus, the inclination angle with the first hinge portion 3120 as the axis can be increased. In addition, the space between the first inclined portion 3130 and the fixing portion 3110 can be prevented from sagging. In addition, the first inclined portion 3130 can be prevented from moving in an undesired direction with the first hinge portion 3120 as the axis.
[0206] The hinge 3100 may include a first inclined portion 3130. The first inclined portion 3130 may be connected to the fixed portion 3110. The first inclined portion 3130 may be connected to the first hinge portion 3120. The first inclined portion 3130 may be connected to the fixed portion 3110 through the first hinge portion 3120. The first inclined portion 3130 may be disposed above the fixed portion 3110. At least a portion of the first inclined portion 3130 may be spaced apart from the fixed portion 3110 in the optical axis direction. The first inclined portion 3130 may be disposed below the second inclined portion 3150. At least a portion of the first inclined portion 3130 may be spaced apart from the first inclined portion 3150 in the optical axis direction. The first inclined portion 3130 may be disposed between the fixed portion 3110 and the second inclined portion 3150.
[0207] The first inclined portion 3130 may include a first-first inclined portion 3131 formed on a first side wall of the hinge 3100, a first-second inclined portion 3132 formed on a second side wall of the hinge 3100, a first-third inclined portion 3133 formed on a third side wall of the hinge 3100, and a first-fourth inclined portion 3134 formed on a fourth side wall of the hinge 3100. The first-first to first-fourth inclined portions 3131, 3132, 3133, and 3134 may be integrally formed.
[0208] The first-first inclined portion 3131 may be provided in the first fixing portion 3111. The first-first inclined portion 3131 may be connected to the first fixing portion 3111 through the first hinge portion 3120.
[0209] At least a portion of the first-first inclined portion 3131 may be spaced apart from the first fixing portion 3111. The first-first inclined portion 3131 may be disposed below the second-first inclined portion 3151. The first-first inclined portion 3131 may be spaced apart from the second-first inclined portion 3151. The lower end of the first-first inclined portion 3131 may be formed to be inclined downward from the first hinge portion 3120. The lower end of the first-first inclined portion 3131 may be formed in a shape corresponding to the upper end of the first fixing portion 3111. The upper end of the first-first inclined portion 3131 may be formed in a shape corresponding to the shape of the lower end of the second-first inclined portion 3151.
[0210] The first-second inclined portion 3132 may be disposed in the second fixing portion 3112. The first-second inclined portion 3132 may be spaced apart from the second fixing portion 3112. The first-second inclined portion 3132 may be connected to the second-second inclined portion 3152 through the second hinge portion 3140. At least a portion of the first-second inclined portion 3132 may be spaced apart from the second-second inclined portion 3152. The first-second inclined portion 3132 may be disposed below the second-second inclined portion 3152. The upper end of the first-second inclined portion 3132 may be formed to be inclined upward from the second hinge portion 3140. The upper end of the first-second inclined portion 3132 may be formed in a shape corresponding to the lower end of the second-second inclined portion 3152. The lower end of the first-second inclined portion 3132 may be formed in a shape corresponding to the second fixing portion 3112.
[0211] The first-third inclined portion 3133 may be disposed in the third fixing portion 3113. At least a portion of the first-third inclined portion 3133 may be spaced apart from the third fixing portion 3113. The first-third inclined portion 3133 may be connected to the third fixing portion 3113 through the first hinge portion 3120. The first-third inclined portion 3133 may be disposed below the second-third inclined portion 3153. The first-third inclined portion 3133 may be spaced apart from the second-third inclined portion 3153. The lower end of the first-third inclined portion 3133 may be formed to be inclined downward from the first hinge portion 3120. The lower end of the first-third inclined portion 3133 may be formed in a shape corresponding to the upper end of the third fixing portion 3113. The upper end of the first-third inclined portion 3133 may be formed in a shape corresponding to the lower end of the second-third inclined portion 3153.
[0212] The first-fourth inclined portion 3134 may be disposed in the fourth fixing portion 3114. The first-fourth inclined portion 3134 may be spaced apart from the fourth fixing portion 3114. The first-fourth inclined portion 3134 may be connected to the second-fourth inclined portion 3154 through the second hinge portion 3140. The first-fourth inclined portion 3134 may be disposed below the second-fourth inclined portion 3154. At least a portion of the first-fourth inclined portion 3134 may be spaced apart from the second-fourth inclined portion 3154. The upper end of the first-fourth inclined portion 3134 may be formed in a shape corresponding to the shape of the second-fourth inclined portion 3154. The lower end of the first-fourth inclined portion 3134 may be formed in a shape corresponding to the fourth fixing portion 3114.
[0213] The first inclined portion 3130 may be coupled to the first magnet 3600. At least a portion of the first inclined portion 3130 may be coupled to the first magnet 3600. The first-first inclined portion 3131 of the first inclined portion 3130 may be coupled to the first magnet 3600. The first inclined portion 3130 may be coupled to the second magnet 3800. At least a portion of the first inclined portion 3130 may be coupled to the second magnet 3800. The first-second inclined portion 3132 of the first inclined portion 3130 may be coupled to the second magnet 3800.
[0214] The first inclined portion 3130 may be inclined with respect to the fixing portion 3110 about the first hinge portion 3120. The first inclined portion 3130 may be inclined with respect to the fixing portion 3110 by using an imaginary line connecting the two first hinge portions 3120 as a first axis.
[0215] The hinge 3100 may include a second hinge portion 3140. At least a portion of the second hinge portion 3140 may include a curved shape. At least a portion of the second hinge portion 3140 may include a curved surface. The second hinge portion 3140 may be connected to the first inclined portion 3130. The second hinge portion 3140 may be connected to the second inclined portion 3150. The second hinge portion 3140 may be disposed between the first inclined portion 3130 and the second inclined portion 3150. The second hinge portion 3140 may connect the first inclined portion 3130 and the second inclined portion 3150. The second hinge portion 3140 may include a plurality of second hinge portions 3140. The plurality of second hinge portions 3140 may include two second hinge portions 3140. One of the two second hinge portions 3140 may be formed on the second side wall of the hinge 3100. The other of the two second hinge portions 3140 may be formed on the fourth side wall of the hinge 3100. The hinge 3100 may be inclined with an imaginary straight line connecting the centers of the two second hinge parts 3140 as the second axis. The second inclined part 3150 may be inclined with an imaginary straight line connecting the centers of each of the two second hinge parts 3140 as the second axis. At this time, the fixing part 3110 may not be inclined.
[0216] The height of the second hinge part 3140 from the bottom surface of the hinge 3100 may be less than the height of the first hinge part 3120 in the corresponding direction. The height of the second hinge part 3140 from the bottom surface of the second fixing part 3112 may be less than the height of the first hinge part 3120 from the bottom surface of the first fixing part 3111. At least a portion of the second hinge part 3140 may be disposed lower than the first hinge part 3120. The length in the optical axis direction between the second hinge part 3140 and the lower surface of the fixing part 3100 may be greater than the length in the corresponding direction between the first hinge part 3120 and the lower surface of the fixing part 3100. The second hinge part 3140 of the second inclined part 3150 disposed relatively above the first inclined part 3130 may be disposed at a position lower than the first hinge part 3120 of the first inclined part 3130 disposed relatively lower than the second inclined part 3150.
[0217] The length d3 of the second hinge portion 3140 in the second direction may be smaller than the length d2 of the first hinge portion 3120 in the second direction. Therefore, the tilting movement with the second hinge portion 3140 as the axis can be increased. In addition, the space between the first inclined portion 3130 and the second inclined portion 3150 can be prevented from sagging. In addition, the first inclined portion 3130 or the second inclined portion 3150 can be prevented from moving in an undesired direction with the second hinge portion 3140 as the axis.
[0218] The hinge 3100 may include a second inclined portion 3150. The second inclined portion 3150 may be connected to the first inclined portion 3130. The second inclined portion 3150 may be connected to the second hinge portion 3140. The second inclined portion 3130 may be connected to the first inclined portion 3130 through the second hinge portion 3140. The second inclined portion 3130 may be disposed in the first inclined portion 3130. At least a portion of the second inclined portion 3130 may be spaced apart from the first inclined portion 3130 in the optical axis direction. The second inclined portion 3150 may be disposed at an upper portion of the hinge 3100.
[0219] The second inclined portion 3150 may include a second-first inclined portion 3151 formed on a first side wall of the hinge 3100, a second-second inclined portion 3152 formed on a second side wall of the hinge 3100, a second-third inclined portion 3153 formed on a third side wall of the hinge 3100, and a second-fourth inclined portion 3154 formed on a fourth side wall of the hinge 3100. The second-first to second-fourth inclined portions 3151, 3152, 3153, and 3154 may be integrally formed.
[0220] The second-first inclined portion 3151 may be disposed on the first-first inclined portion 3151. The second-first inclined portion 3151 may be spaced apart from the first-first inclined portion 3151. The second-second inclined portion 3152 may be disposed in the first-second inclined portion 3131. The second-second inclined portion 3152 may be connected to the second hinge portion 3140. The lower end of the second-second inclined portion 3152 may be formed to be inclined upward from the second hinge portion 3140. The lower end of the second-second inclined portion 3152 may be formed in a shape corresponding to the upper end of the first-second inclined portion 3131. At least a portion of the second-second inclined portion 3152 may be spaced apart from the first-second inclined portion 3152. The second-third inclined portion 3153 may be disposed in the first-third inclined portion 3133. The second-third inclined portion 3153 may be spaced apart from the first-third inclined portion 3133. The second-fourth inclined portion 3154 may be disposed in the first-fourth inclined portion 3134. The second-fourth inclined portion 3154 may be connected to the second hinge portion 3140. The lower end of the second-fourth inclined portion 3154 may be formed to be inclined upward from the second hinge portion 3140. The lower end of the second-fourth inclined portion 3154 may be formed in a shape corresponding to the upper end of the first-fourth inclined portion 3134. At least a portion of the second-fourth inclined portion 3154 may be spaced apart from the first-fourth inclined portion 3134.
[0221] The second inclined portion 3150 may be inclined with respect to the first inclined portion 3130 about the second hinge portion 3140. The second inclined portion 3150 may be inclined with respect to the first inclined portion 3130 with an imaginary line connecting the two second hinge portions 3140 as a second axis.
[0222] The camera module 3010 may include a space formed between the fixing portion 3110 and the first inclined portion 3130 of the hinge 3100. The space formed between the second fixing portion 3112 and the first-second inclined portion 3132 may be formed in a flat shape. The first inclined portion 3130 may be tilted with the first hinge portion 3120 as an axis through the space formed between the second fixing portion 3112 and the first-second inclined portion 3132. The space formed between the fourth fixing portion 3114 and the first-fourth inclined portion 3134 may be formed in a flat shape. The first inclined portion 3130 may be tilted with the first hinge portion 3120 as an axis through the space formed between the fourth fixing portion 3114 and the first-fourth inclined portion 3134.
[0223] The space formed between the fixed part 3110 and the first inclined part 3130 of the hinge 3100 may include a space extending obliquely downward from the first hinge part 3120. The space formed between the first fixed part 3111 and the first-first inclined part 3131 may extend downward from the first hinge part 3120. The space formed between the third fixed part 3113 and the first-third inclined part 3133 may be formed to be inclined downward from the first hinge part 3120. Thus, when the first inclined part 3130 is inclined with the first hinge part 3120 as an axis, it is possible to prevent the second hinge part 3140 from being inclined as an axis. In addition, one hinge 3100 can be inclined on two axes. In addition, compared with the conventional tilting method using a spring, dimensional stability and linearity can be ensured.
[0224] The camera module 3010 may include a space formed between the first inclined portion 3130 and the second inclined portion 3150 of the hinge 3100. The space formed between the first-first inclined portion 3131 and the second-first inclined portion 3151 may be formed in a flat shape. The second inclined portion 3140 may be tilted with the second hinge portion 3140 as an axis through the space formed between the first-first inclined portion 3131 and the second-first inclined portion 3151. The space formed between the first-third inclined portion 3133 and the second-third inclined portion 3153 may be formed in a flat shape. The second inclined portion 3140 may be tilted with the second hinge portion 3140 as an axis through the space formed between the first-third inclined portion 3133 and the second-third inclined portion 3153.
[0225] The space formed between the first inclined portion 3130 and the second inclined portion 3150 of the hinge 3100 may include a space extending upwardly obliquely from the second hinge portion 3140. The space formed between the first-second inclined portion 3132 and the second-second inclined portion 3152 may be formed to be inclined upwardly from the second hinge portion 3140. The space formed between the first-fourth inclined portion 3134 and the second-fourth inclined portion 3154 may be formed to be inclined upwardly from the second hinge portion 3140. Thus, when the second inclined portion 3140 is inclined with the second hinge portion 3140 as an axis, it is possible to prevent the first hinge portion 3120 from being inclined as an axis. In addition, one hinge 3100 can be inclined on two axes. In addition, compared with the conventional tilting method using a spring, dimensional stability and linearity can be ensured.
[0226] The space formed between the fixed portion 3110 and the first inclined portion 3130 of the hinge 3100 may include a space formed to be inclined downward from the first hinge portion 3120 in a direction closer to the fixed portion 3110. In addition, the space formed between the first inclined portion 3130 and the second inclined portion 3150 of the hinge 3100 may include a space formed to be inclined upward from the second hinge portion 3140 in a direction away from the fixed portion 3110. Thus, the total height of the hinge 3100 that can be tilted about two axes can be reduced. That is, by providing a cross diagonal structure, the height of the hinge 3100 in the optical axis direction can be reduced. In this case, two-axis tilting can be performed with one hinge 3100, while minimizing the size of the hinge 3100 in the vertical direction, and the camera module 3010 can be miniaturized. The camera module 3010 may include a first support 3200. The first support 3200 may be coupled to the fixed portion 3110. The first support 3200 may be coupled to the first fixing portion 3111 of the fixing portion 3110. The first support 3200 may include: a first sidewall 3210; a second sidewall 3220 extending from the first sidewall 3210 in a vertical direction; a third sidewall facing the first sidewall 3210; a fourth sidewall facing the second sidewall 3220; a fifth sidewall connecting the first sidewall 3210 and the third sidewall; and a sixth sidewall connecting the second sidewall 3220 and the fourth sidewall.
[0227] The first side wall 3210 of the first support 3200 may be disposed at the outer side of the fixing part 3110. The first side wall 3210 may be disposed at the outer side of the first fixing part 3111 of the fixing part 3110. At least a portion of the first side wall 3210 may be spaced apart from the first fixing part 3111. The first side wall 3210 may include a hole 3211. The hole 3211 may include a plurality of holes 3211. The hole 3211 may be formed at a position corresponding to the first protrusion 311-1 of the first fixing part 3111. The first protrusion 311-1 may be disposed in the hole 3211. The first protrusion 311-1 may be inserted into the hole 3211. The second side wall 3220 of the first support 3220 may be disposed at the outer side of the fixing part 3110. The second side wall 3220 may be disposed at the outer side of the second fixing part 3112 of the fixing part 3110. The second side wall 3220 may be spaced apart from the second fixing part 3112. The second sidewall 3220 may face the second fixing portion 3112 .
[0228] The first support 3200 may be coupled to the first coil 3300. The first coil 3300 may be disposed in the first support 3200. The first coil 3300 may be disposed inside the first sidewall 3210, the third sidewall, and the fifth sidewall of the first support 3200. The first support 3200 may be coupled to the second coil 3400. The second coil 3400 may be disposed inside the first support 3200. The second coil 3400 may be disposed inside the second sidewall 3220, the fourth sidewall, and the sixth sidewall of the first support 3200.
[0229] The camera module 3010 may include a first coil 3300. The hinge 3100 of the first coil 3300 may be coupled to the fixing portion 3110. The first coil 3300 may be coupled to the first fixing portion 3111. The first coil 3300 may be coupled to the first fixing portion 3111 through the first support 3200. The first coil 3300 may be disposed inside the first support 3200. The first coil 3300 may be coupled to the first support 3200. The first coil 3300 may be spaced apart from the second coil 3400. The first coil 3300 may be spaced apart from each other in a direction perpendicular to the direction in which the second coil 3400 is disposed. The first coil 3300 may face the first magnet 3600.
[0230] The camera module 3010 may include a second coil 3400. The second coil 3400 may be coupled to the fixing portion 3110 of the hinge 3100. The second coil 3400 may be coupled to the second fixing portion 3112. The second coil 3400 may be coupled to the second fixing portion 3112 through the first support 3200. The second coil 3400 may be disposed inside the first support 3200. The second coil 3400 may be coupled to the first support 3200. The second coil 3400 may be spaced apart from the first coil 3300. The second coils 3400 may be spaced apart from each other in a direction perpendicular to the direction in which the first coil 3300 is disposed. The second coil 3400 may face the second magnet 3800.
[0231] The camera module 3010 may include a second support 3500. The second support 3500 may be coupled to the second inclined portion 3150. The second support 3500 may be spaced apart from the third support 3700. The second support 3500 may be disposed in a direction perpendicular to the third support 3700. The first magnet 3600 may be coupled to the second support 3500. The second support 3500 may be a magnet support. The second support 3500 may include: a first portion 3510 coupled to an upper surface of the hinge 3100; a second portion 3520 extending from the first portion 3510 and disposed on an outer side surface of the second inclined portion 3150; and a third portion 3530 extending from the second portion 3520 and spaced apart from an outer side surface of the second inclined portion 3150. The first magnet 3600 may be coupled to the third portion 3530 of the second support 3500.
[0232] The second support 3500 may include a first groove recessed from the inner side surface and a second groove recessed inward from the second groove. The first groove may be formed by the first portion 3510 and the second portion 3520. The second groove may be formed by the second portion 3520 and the third portion 3530. At least a portion of the first groove may be coupled to the second inclined portion 3150. The first groove may be coupled to the second-first inclined portion 3151. The second support 3500 may include a hole 3511. The hole 3511 may be formed in the first portion 3510 of the second support 3500. The hole 3511 may be formed at a position corresponding to the protrusion 3921 of the flange 3920. The protrusion 3921 of the flange 3920 may be inserted into the hole 3511.
[0233] The camera module 3010 may include a first magnet 3600. The first magnet 3600 may be coupled to any one or more of the first inclined portion 3130, the second inclined portion 3150, and the lens driving device 3020. The first magnet 3600 may face the first coil 3300. The first magnet 3600 may be coupled to the second support 3500. The first magnet 3600 may be coupled to the hinge 3100 through the second support 3500. The first magnet 3600 may be coupled to the third portion 3530 of the second support 3500. The first magnet 3600 may be coupled to the first-first inclined portion 3131. The first magnet 3600 may be coupled to the second-first inclined portion 3151. At least a portion of the first magnet 3600 may overlap with the first-first inclined portion 3131 in a direction perpendicular to the optical axis. At least a portion of the first magnet 3600 may overlap with the first-first inclined portion 3131 in a second direction perpendicular to the optical axis. At least a portion of the first magnet 3600 may overlap the second-first inclined portion 3151 in a direction perpendicular to the optical axis. At least a portion of the first magnet 3600 may overlap the second-first inclined portion 3151 in a second direction perpendicular to the optical axis. The first magnet 3600 may be spaced apart from the second magnet 3800. The first magnet 3600 may be disposed in a direction perpendicular to a direction in which the second magnet 3800 is disposed.
[0234] The camera module 3010 may include a third support 3700. The third support 3700 may be coupled to the second inclined portion 3150. The third support 3700 may be spaced apart from the second support 3500. The third support 3700 may be disposed in a direction perpendicular to the second support 3500. The second magnet 3800 may be coupled to the third support 3700. The third support 3700 may be a magnet support. The third support 3700 may include: a first portion 3710 coupled to an upper surface of the hinge 3100; a second portion 3720 extending from the first portion 3710 and disposed on an outer side surface of the second inclined portion 3150; and a third portion 3730 extending from the second portion 3720 and spaced apart from an outer side surface of the second inclined portion 3150. The second magnet 3800 may be coupled to the third portion 3730 of the third support 3700.
[0235] The third support 3700 may include a first groove recessed from the inner side surface and a second groove recessed inward from the second groove. The first groove of the third support 3700 may be formed by the first part 3710 and the second part 3720. The second groove of the third support 3700 may be formed by the second part 3720 and the third part 3730. At least a portion of the first groove of the third support 3700 may be coupled to the second inclined portion 3150. The first groove of the third support 3700 may be coupled to the second-second inclined portion 3152. The third support 3700 may include a hole 3711. The hole 3711 may be formed in the first part 3710 of the third support 3700. The hole 3711 may be formed at a position corresponding to the protrusion 3921 of the flange 3920. The protrusion 3921 of the flange 3920 may be inserted into the hole 3711.
[0236] The camera module 3010 may include a second magnet 3800. The second magnet 3800 may be coupled to any one or more of the first inclined portion 3130, the second inclined portion 3150, and the lens driving device 3020. The second magnet 3800 may face the second coil 3400.
[0237] The second magnet 3800 may be coupled to the third support 3700. The second magnet 3800 may be coupled to the hinge 3100 through the third support 3700. The second magnet 3800 may be coupled to the third portion 3730 of the third support 3700. The second magnet 3800 may be coupled to the first-second inclined portion 3132. The second magnet 3800 may be coupled to the second-second inclined portion 3152. At least a portion of the second magnet 3800 may overlap with the first-second inclined portion 3132 in a direction perpendicular to the optical axis. At least a portion of the second magnet 3800 may overlap with the first-second inclined portion 3132 in a first direction perpendicular to the optical axis. At least a portion of the second magnet 3800 may overlap with the second-second inclined portion 3152 in a direction perpendicular to the optical axis. At least a portion of the second magnet 3800 may overlap with the second-second inclined portion 3152 in a first direction perpendicular to the optical axis. The second magnet 3800 may be spaced apart from the first magnet 3600. The second magnet 3800 may be disposed in a direction perpendicular to a direction in which the first magnet 3600 is disposed.
[0238] The camera module 3010 may include a fourth support 3900. At least a portion of the fourth support 3900 may be disposed inside the hinge 3100. The fourth support 3900 may be disposed on the first to fourth side walls of the hinge 3100. The fourth support 3900 may be coupled to the second inclined portion 3150. The fourth support 3900 may include a carrier 3910. The carrier 3910 may be disposed inside the hinge 3100. The lens driving device 3020 may be disposed in the carrier 3910. The fourth support 3900 may include a flange 3920. The flange 3920 may be formed in an upper portion of the carrier 3910. The flange 3920 may be disposed between an upper surface of the hinge 3100 and the first portion 3510 of the second support 3500. The flange 3920 may include a protrusion 3921. The protrusion 3921 may protrude from the upper surface of the flange 3920. The protrusion 3921 may be coupled to the hole 3511 of the first portion 3510 of the second support 3500. The protrusion 3921 may be inserted into the hole 3511 of the first portion 3510 of the second support 3500.
[0239] The camera module 3010 may include a lens driving device 3020. The lens driving device 3020 may be coupled to the second inclined portion 3150. The lens driving device 3020 may be disposed inside the fourth support 3900. The lens driving device 3020 may include: a substrate (not shown); an image sensor (not shown) disposed in the substrate; a support (not shown) disposed above the substrate; and a lens (not shown) coupled to the support and disposed at a position corresponding to the image sensor. The lens driving device 3020 may be a voice coil motor (VCM). The lens driving device 3020 may be a lens driving motor. The lens driving device 3020 may be a lens driving motor. The lens driving device 3020 may be a lens driving actuator. The lens driving device 3020 according to the second embodiment of the present invention may perform an auto focus (AF) function. The lens driving device 3020 may perform an optical image stabilizer (OIS) function.
[0240] The embodiments of the present invention have been described above with reference to the accompanying drawings, but those skilled in the art to which the present invention belongs can understand that the present invention can also be implemented in other specific forms without changing its technical spirit or essential features. Therefore, it should be understood that the above embodiments are illustrative and non-restrictive in all aspects.
Claims
1. A driving device, comprising: a second guide portion; a first guide portion, the first guide portion being disposed on the second guide portion; an optical unit, wherein the optical unit is disposed on the first guide portion; a first driving unit, wherein the first driving unit is disposed on the optical unit; as well as a second driving portion, the second driving portion facing the first driving portion, The first guide portion includes: a first fixing portion, the first fixing portion is connected to the second guide portion; a first moving portion, the first moving portion is connected to the optical unit; and a first connecting portion, the first connecting portion connects the first fixing portion and the first moving portion. wherein the optical unit is tilted around the first connection portion by interaction between the first driving portion and the second driving portion, and Wherein, the first connecting portion is a hinge component.