Lens moving apparatus and camera module including the same

Abstract

The invention discloses a lens moving apparatus and a camera module including the same. The lens moving apparatus includes: a cover member including an upper plate and a side plate; a bobbin which is provided in the cover member; a coil which is arranged on the bobbin; a first magnet disposed between the coil and the side plate of the cover member; a base disposed below the bobbin and coupled to the side plate of the cover member; a second magnet that is provided on the bobbin; a sensor provided on the base and configured to detect the second magnet; and a terminal inserted into the base such that at least a portion of the terminal is positioned inside the base and is conductively connected to the sensor.

Description

[0001] Divisional application

[0002] This application is a divisional application of the Chinese invention patent application with the application date of July 29, 2020, application number 202080054639.1, and invention name “Lens driving device and camera module and optical device including the lens driving device”. Technical Field

[0003] The embodiments relate to a lens moving device, and a camera module and an optical device each including the lens moving device. Background Art

[0004] It is difficult to apply the technology of a voice coil motor (VCM) used in an existing general camera module to an ultra-small, low-power camera module, and thus research related thereto has been actively conducted.

[0005] The demand and production of electronic products equipped with cameras, such as smartphones and mobile phones, have increased. Cameras for mobile phones are developing in the direction of increased resolution and miniaturization. As a result, actuators have also been miniaturized, increased in diameter, and multifunctional. In order to realize high-resolution cameras for mobile phones, it is required to improve the performance of cameras for mobile phones and their additional functions, such as autofocus, hand shake correction, and zoom. Summary of the invention

[0006] Technical issues

[0007] The embodiment provides a lens moving device, and a camera module and an optical apparatus each including the same, which are capable of suppressing or preventing oscillation of an AF operation unit during an AF operation.

[0008] Furthermore, the embodiment provides a lens moving device including a closed-loop auto focus module (CLAF) having a minimized height in an optical axis direction, and a camera module and an optical device each including the lens moving device.

[0009] Technical Solution

[0010] According to a first aspect of the present invention, a lens mobile device is provided, comprising: a cover member, the cover member comprising an upper plate and a side plate; a bobbin, the bobbin being arranged in the cover member; a coil, the coil being arranged on the bobbin; a first magnet, the first magnet being arranged between the coil and the side plate of the cover member; a base, the base being arranged below the bobbin and connected to the side plate of the cover member; a second magnet, the second magnet being arranged on the bobbin; a sensor, the sensor being arranged on the base and being configured to detect the second magnet; and a terminal, the terminal being inserted into the base so that at least a portion of the terminal is positioned inside the base and conductively connected to the sensor.

[0011] Preferably, the bobbin is configured to move in the optical axis direction by interaction between the first magnet and the coil.

[0012] Preferably, the base includes a through hole, and the through hole is formed to pass through the base in the optical axis direction.

[0013] Preferably, the bobbin includes a recess, and the second magnet is disposed in the recess of the bobbin.

[0014] Preferably, the lens moving device includes a lower elastic member connecting the bobbin and the base.

[0015] Preferably, the terminal includes: a first portion, at least a portion of which protrudes downward from the base; and a second portion, which extends from the first portion and is conductively connected to the sensor.

[0016] Preferably, at least a portion of the second portion penetrates the base.

[0017] Preferably, the lower elastic member includes an inner portion coupled to the bobbin, an outer portion coupled to the base, and a connector connecting the inner portion and the outer portion.

[0018] Preferably, the terminal includes a plurality of terminals spaced apart from each other.

[0019] Preferably, the terminal includes four terminals, and the lower elastic member includes two lower elastic units spaced apart from each other and conductively connected to the coil.

[0020] Preferably, the sensor includes a Hall element and a driver IC.

[0021] Preferably, the sensor is configured to apply an electric current to the coil.

[0022] Preferably, the second magnet is disposed between the bobbin and the coil in a direction perpendicular to the optical axis direction.

[0023] Preferably, the first magnet includes two magnet units disposed opposite to each other with respect to the bobbin.

[0024] According to a second aspect of the present invention, a lens mobile device is provided, comprising: a cover member, the cover member including an upper plate and a side plate; a bobbin, the bobbin being arranged in the cover member; a coil, the coil being arranged on the bobbin; a first magnet, the first magnet being arranged between the coil and the side plate of the cover member; a base, the base being arranged below the bobbin; a second magnet, the second magnet being arranged on the bobbin; a sensor, the sensor being arranged on the base and being configured to detect the second magnet; and a terminal, the terminal being inserted into the base and comprising four terminals, wherein the four terminals are connected to the sensor and at least a portion of each of the four terminals is not exposed from the base.

[0025] Preferably, each of the four terminals includes: a first portion, at least a portion of which protrudes downward from the base; and a second portion, which extends from the first portion and is conductively connected to the sensor.

[0026] According to a third aspect of the present invention, a lens mobile device is provided, comprising: an outer cover; a bobbin, the bobbin being arranged on the inner side of the outer cover; a coil, the coil being arranged on the bobbin; a sensing magnet, the sensing magnet being arranged on the bobbin; a magnet, the magnet being arranged on the outer cover; an upper elastic member, the upper elastic member comprising: an outer portion, the outer portion being connected to the upper portion of the outer cover; an inner portion, the inner portion being connected to the upper portion of the bobbin; and a connector, the connector connecting the inner portion and the outer portion; a position sensor, the position sensor being configured to detect the strength of the magnetic field of the sensing magnet for sensing the displacement of the bobbin; and a damper, the damper being arranged on both the connector of the upper elastic member and the outer cover.

[0027] Preferably, the damper is spaced apart from the inner portion of the upper elastic member and the outer portion of the upper elastic member.

[0028] Preferably, the housing includes a protrusion corresponding to the connector, and the damper is provided on both the protrusion and the connector.

[0029] According to a fourth aspect of the present invention, there is provided a camera module, comprising: a lens; the lens moving device according to the present invention; and an image sensor.

[0030] A lens mobile device according to an embodiment includes: an outer cover; a bobbin disposed on the inner side of the outer cover; a coil disposed on the bobbin; a magnet disposed on the outer cover; an elastic member coupled to the outer cover and the bobbin; and a damper disposed at the elastic member and the outer cover, wherein the elastic member includes: an inner portion coupled to the bobbin; an outer portion coupled to the outer cover; and a connector connecting the inner portion to the outer portion, wherein the connector is disposed in the first quadrant to the fourth quadrant of a plane defined by a first axis and a second axis, and is based on the first axis. Symmetrical, wherein the damper is arranged on the connector, wherein the plane includes: a first side and a second side, the first side and the second side facing each other in a direction parallel to the first axis; and a third side and a fourth side, the third side and the fourth side facing each other in a direction parallel to the second axis, wherein the damper is arranged to be closer to the third side and the fourth side than to the first side and the second side, and wherein the first axis is perpendicular to the optical axis and extends through the center of the elastic member, the second axis is parallel to the first axis and extends through the center of the elastic member, and the center of the elastic member is the spatial center of the elastic member when viewed from above.

[0031] The connector may be symmetrical about the first axis.

[0032] The damper may be symmetrical about the first axis.

[0033] The housing may include a protrusion corresponding to the connector, and the damper may be provided at the protrusion and the connector.

[0034] The housing may have an escape groove configured to avoid spatial interference with the connector, at least a portion of the connector may be disposed in the escape groove, and the protrusion may be disposed on a bottom surface of the escape groove.

[0035] The connector may include a plurality of frame connectors spaced apart from each other, the damper may include a plurality of dampers provided on the plurality of frame connectors, and the cover may include protrusions corresponding to the plurality of frame connectors.

[0036] The plurality of frame connectors and the plurality of dampers may be symmetrical based on a first axis.

[0037] The protrusion of the outer cover may be symmetrical based on the first axis.

[0038] The plurality of frame connectors and the plurality of dampers may not be rotationally symmetric based on a center of the elastic member.

[0039] The plurality of frame connectors and the plurality of dampers may be symmetrical based on a second axis, and the second axis may be perpendicular to the optical axis and the first axis and may extend through a center of the elastic member.

[0040] The plurality of frame connectors and the plurality of dampers may not be symmetrical based on a second axis, and the second axis may be perpendicular to the optical axis and the first axis and may extend through a center of the elastic member.

[0041] The lens moving device may include: a sensing magnet disposed on the bobbin; and a position sensor disposed on the outer cover to correspond to the sensing magnet, and the sensing magnet and the position sensor may be disposed to align with or correspond to the first axis.

[0042] The first axis may be an axis parallel to a direction from the first side toward the second side of the housing.

[0043] According to another embodiment, a lens mobile device includes: an outer cover; a bobbin, which is arranged on the inner side of the outer cover; a coil, which is arranged on the bobbin; a magnet, which is arranged on the outer cover; an elastic member, which is connected to the outer cover and the bobbin; and a damper, which is arranged at the elastic member and the outer cover, wherein the elastic member includes: an inner part, which is connected to the bobbin; an outer part, which is connected to the outer cover; and a connector, which connects the inner part to the outer part, wherein the connector is symmetrical with respect to a first axis, which is perpendicular to the optical axis and extends through the center of the elastic member, wherein the second axis is parallel to the first axis and extends through the center of the elastic member, and wherein the center of the elastic member is the spatial center of the elastic member when viewed from above.

[0044] According to another embodiment, a lens mobile device includes: an outer cover; a bobbin, which is arranged on the inner side of the outer cover; a coil, which is arranged on the bobbin; a magnet, which is arranged on the outer cover; an elastic member, which is connected to the outer cover and the bobbin; and a damper, which is arranged at the elastic member and the outer cover, wherein the elastic member includes parts that are symmetrical to each other with respect to a first axis, wherein the damper is arranged on the symmetrical parts of the elastic member, wherein the first axis is an axis perpendicular to the optical axis, extending through the center of the elastic member and parallel to the direction from the first side of the outer cover toward the second side, and wherein the center of the elastic member is the spatial center of the elastic member when viewed from above.

[0045] Beneficial effects

[0046] The embodiment is configured such that the elastic force of the elastic member in the x-axis direction and the elastic force in the y-axis direction are generated asymmetrically, thereby increasing the difference between the second resonance frequency and the third resonance frequency, thereby preventing or suppressing oscillation of the AF operation unit during AF operation.

[0047] According to the embodiment, the CLAF modular lens mobile device can be applied to the front camera of the smartphone, thereby improving the shooting speed, AF speed, position difference and image quality of the front camera of the smartphone. Furthermore, the lens mobile device according to the embodiment can also be applied to the rear camera of the smartphone. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 is an exploded perspective view of a lens moving device according to an embodiment;

[0049] Figure 2 yes Figure 1 An assembled perspective view of the lens moving device shown in , with the cover member removed;

[0050] Figure 3a is an exploded perspective view of the bobbin, sensing magnet, and balancing magnet;

[0051] Figure 3b is a perspective view of the assembly of the bobbin, coil and sensing magnet;

[0052] Figure 4a is a perspective view of the outer cover;

[0053] Figure 4b is a perspective board of the housing, magnet, position sensor, capacitor, and circuit;

[0054] Figure 4c is a perspective view of the assembly of the housing, magnet, position sensor, capacitor and circuit board;

[0055] Figure 5 is a plan view of the upper elastic member;

[0056] Figure 6 is an assembled perspective view of a lower elastic member, a circuit board, a position sensor and a capacitor;

[0057] Figure 7 is a perspective view of a base, a lower elastic member and a circuit board;

[0058] Figure 8a yes Figure 2 A cross-sectional view of the lens moving device shown in FIG. 1 taken along line AB;

[0059] Figure 8b yes Figure 2 A cross-sectional view of the lens moving device shown in FIG. 1 taken along line CD;

[0060] Fig. 9 shows the arrangement of the damper according to the embodiment;

[0061] Fig.10a shows the frequency response characteristics in the case where the elastic member and the damper are rotationally symmetric;

[0062] Fig.10b shows frequency response characteristics in a case where an elastic member and a damper according to an embodiment are provided;

[0063] Fig.11 shows first to third resonance frequencies according to a displacement of the bobbin in the optical axis direction or a position of the bobbin caused by an AF operation;

[0064] Fig.12 An example of a setup showing a sensing magnet and a position sensor;

[0065] Fig.13 Shown in Fig.12 The frequency response characteristics of the gain in the case shown in ;

[0066] Fig.14 shows the arrangement of a damper according to another embodiment;

[0067] Fig.15 shows the arrangement of a damper according to yet another embodiment;

[0068] Fig.16 showing the width, length and thickness of the upper elastic member according to an embodiment;

[0069] Fig.17 shows the width, length and thickness of the upper elastic member according to another embodiment;

[0070] Fig.18 is a perspective view of a lens moving device according to another embodiment;

[0071] Fig.19 It is along Fig.18 A cross-sectional view taken along line AA in FIG.

[0072] Fig. 20 It is along Fig.18 A cross-sectional view taken along line BB in FIG.

[0073] Fig.21 It is along Fig.18 A cross-sectional view taken along line CC in FIG.

[0074] Fig. 22 yes Fig.18 A bottom view of the lens mobile device shown in ;

[0075] Fig.23 yes Fig.18 A perspective view of the lens moving device shown in , with the cover removed;

[0076] Fig.24 yes Fig.18 An exploded perspective view of a lens moving device shown in FIG.

[0077] Fig.25 and Fig.26 yes Fig.18 An exploded perspective view of a portion of a lens moving device shown in FIG.

[0078] Fig. 27 yes Fig.18 An exploded perspective view of a base and sensor of a lens moving device as shown in FIG.

[0079] Fig.28 is an exploded perspective view showing a camera module according to an embodiment;

[0080] Fig.29 is an exploded perspective view showing a camera module according to another embodiment;

[0081] Fig.30 is a perspective view of a portable terminal according to an embodiment; and

[0082] Fig.31 It is shown Fig.30 A view of the construction of a portable terminal shown in FIG. DETAILED DESCRIPTION

[0083] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0084] The technical idea of ​​the present invention can be implemented in many different forms and should not be construed as being limited to the following embodiments described herein. Without departing from the technical spirit and scope of the present invention, one or more of the components of the embodiments may be selectively combined or replaced with each other.

[0085] Unless otherwise specifically defined, the terms (including technical and scientific terms) used in the embodiments of the present invention have the same meanings as those commonly understood by those of ordinary skill in the art to which the present invention belongs. It will be further understood that commonly used terms (such as those defined in dictionaries) should be interpreted as having meanings consistent with their meanings in the context of the relevant technology.

[0086] The terms used in the embodiments of the present invention are only for describing specific embodiments and are not intended to limit the present invention. As used in the present disclosure and the appended claims, the singular form is intended to also include the plural form, unless the context clearly indicates otherwise. The phrase "at least one (or one or more) of A, B, and C" can be interpreted as including one or more of all combinations of A, B, and C.

[0087] Furthermore, when describing the components of the present invention, terms such as "first", "second", "A", "B", "(a)" or "(b)" may be used. Since these terms are merely provided to distinguish components from one another, they do not limit the nature, sequence or order of the components.

[0088] It will be understood that when an element is referred to as being "linked," "coupled," or "connected" to another element, the element may be directly "linked," "coupled," or "connected" to the other element, or may be "linked," "coupled," or "connected" to the other element via an additional element intervening therebetween. Furthermore, it will be understood that when an element is referred to as being formed "on" or "under" another element, the element can be directly "on" or "under" the other element, or can be indirectly disposed relative to the other element with one or more intervening elements therebetween. Additionally, it will also be understood that being "on" or "under" an element may mean an upward direction or a downward direction based on the element.

[0089] Hereinafter, the lens moving device may be alternatively referred to as a lens moving unit, a voice coil motor (VCM), an actuator, or a lens moving device. The term "coil" may be used interchangeably with a "coil unit", and the term "elastic member" may be used interchangeably with an "elastic unit" or a "spring".

[0090] In the following description, a “terminal” may be alternatively referred to as a “pad,” “electrode,” “conductive layer,” or “joining portion.”

[0091] For the sake of convenience of description, although the lens mobile device according to the embodiment is described using a Cartesian coordinate system (x, y, z), the lens mobile device may be described using some other coordinate systems, and the embodiment is not limited thereto. In the corresponding drawings, the X-axis direction and the Y-axis direction mean the direction perpendicular to the optical axis (i.e., the Z-axis). The Z-axis direction, which is the direction of the optical axis OA, may be referred to as a "first direction", the X-axis direction may be referred to as a "second direction", and the Y-axis direction may be referred to as a "third direction".

[0092] The “auto focus function” is to automatically focus an image of a subject on a surface of an image sensor. The lens moving device according to an embodiment may move an optical module composed of at least one lens in a first direction, thereby performing auto focus.

[0093] Figure 1 is an exploded view of the lens moving device 100 according to the embodiment. Figure 2 yes Figure 1 1 is an assembled perspective view of the lens moving device 100 shown in FIG. 1 , with the cover member 300 removed. Figure 3a is an exploded perspective view of the bobbin 110 , the sensing magnet 180 , and the balancing magnet 185 . Figure 3b is an assembled perspective view of the bobbin 110 , the coil 120 , and the sensing magnet 180 . Figure 4a is a perspective view of the housing 140 . Figure 4b is a perspective view of housing 140 , magnet 130 , position sensor 170 , capacitor 195 , and circuit board 190 . Figure 4c is an assembled perspective view of the housing 140 , the magnet 130 , the position sensor 170 , the capacitor 195 , and the circuit board 190 . Figure 5 is a plan view of the upper elastic member 150 . Figure 6 is an assembled perspective view of the lower elastic member 160 , the circuit board 190 , the position sensor 170 , and the capacitor 195 . Figure 7 is a perspective view of the base 210 , the lower elastic member 160 , and the circuit board 190 . Figure 8a yes Figure 2 A cross-sectional view of the lens mobile device shown in FIG. 1 taken along line AB. Figure 8b yes Figure 2 A cross-sectional view of the lens moving device shown in FIG. 1 taken along line CD. Fig. 9 The arrangement of the dampers 53A to 53D according to the embodiment is shown.

[0094] refer to Figures 1 to 9 , the lens moving device 100 may include a bobbin 110 , a coil 120 , a magnet 130 , an outer cover 140 , an upper elastic member 150 , and dampers 53A to 53D.

[0095] The lens moving device 100 may further include a sensing magnet 180 and a position sensor 170 , the sensing magnet 180 being used for AF feedback operation. In addition, the lens moving device 100 may further include a capacitor 195 configured to remove noise from the output of the position sensor 170 .

[0096] Furthermore, the lens moving device 100 may further include a circuit board 190 which is conductively connected to the position sensor 170. Furthermore, the lens moving device 100 may further include a balancing magnet 185.

[0097] The lens moving device 100 may further include at least one of a lower elastic member 160 , a cover member 300 , and a base 210 .

[0098] First, the bobbin 110 will be described.

[0099] The bobbin 110 is configured to allow a lens or a lens barrel to be mounted thereon, and may be disposed in the housing 140 so as to be movable in the optical axis direction OA or in a first direction (eg, Z-axis direction) through electromagnetic interaction between the coil 120 and the magnet 130 .

[0100] refer to Figure 3a and Figure 3b , the bobbin 110 may be disposed inside the outer cover 140 .

[0101] The bobbin 110 may have a hole in which a lens or a barrel is installed. For example, the hole in the bobbin 110 may be a through hole, and may have a circular shape, an elliptical shape, or a polygonal shape, but is not limited thereto.

[0102] The bobbin 110 may include a first coupler 113 disposed on an upper portion, an upper surface, or an upper end of the bobbin 110 and coupled or fastened to a first inner frame of the upper elastic member 150, and a second coupler 117 disposed on a lower portion, a lower surface, or a lower end of the bobbin 110 and coupled or fastened to a second inner frame 161 of the lower elastic member 160. The first coupler 113 and the second coupler 117 may be coupled to the upper elastic member 150 and the lower elastic member 160 via an adhesive or thermal fusion.

[0103] Although each of the first connector 113 and the second connector 117 is Figure 3a and Figure 3b In the embodiment, the first and second couplings 113 and 117 are shown as being configured to have a protrusion form, but the present disclosure is not limited thereto. In another embodiment, each of the first coupling 113 and the second coupling 117 may have a groove or a flat surface form.

[0104] The bobbin 110 may have a first escape groove 112a formed in an area of ​​the upper surface of the bobbin 110 corresponding to or overlapping the first frame connectors 153-1 to 153-4 of the upper elastic member 150 in the optical axis direction. The first escape groove 112a may be configured to be recessed from the upper surface of the bobbin 110.

[0105] Furthermore, the bobbin 110 may have a second escape groove 112b formed in an area of ​​the lower surface of the bobbin 110 corresponding to or overlapping the second frame connectors 163-1 and 163-2 of the lower elastic member 160 in the optical axis direction. The second escape groove 112b may be configured to be recessed from the lower surface of the bobbin 110.

[0106] By using the first and second escape grooves 112a and 112b in the bobbin 110, when the bobbin 110 moves in the first direction, spatial interference between the first and second frame connectors 153-1 to 154-4, 163-1 and 163-2 and the bobbin 110 is avoided, thereby allowing the frame connector 153 to be easily elastically deformed.

[0107] The bobbin 110 may include a plurality of side surfaces or outer surfaces.

[0108] For example, the bobbin 110 may include side portions 110b1 to 110b4 and corner portions 110c1 to 110c4.

[0109] For example, each of the first to fourth corners 110c1 to 110c4 of the bobbin 110 may be disposed between two adjacent sides of the bobbin 110. The side surfaces or outer surfaces of the first to fourth sides 110b1 to 110b4 of the bobbin 110 may be referred to as “first to fourth side surfaces” or “first to fourth outer surfaces”.

[0110] The bobbin 110 may have at least one groove 105 formed in a side surface or an outer surface of the bobbin 110 where the coil 120 is disposed or seated.

[0111] For example, the coil 120 may be disposed or seated in the groove 105 in the bobbin 110 , or may be directly wound in the groove 105 in the bobbin 110 in a clockwise direction or a counterclockwise direction around the optical axis OA to have a closed loop shape, but is not limited thereto.

[0112] The number and shape of the grooves 105 in the bobbin 110 may correspond to the number and shape of the coils disposed on the outer surface of the bobbin 110. In another embodiment, the bobbin 110 may not have grooves for accommodating the coils, and the coils may be directly wound on the outer surface of the bobbin 110 and may be fastened to the bobbin 110.

[0113] In order to place the sensing magnet 180, the bobbin 110 may have a groove 180a formed in the outer surface of one side portion (e.g., 110b3). In order to easily place the sensing magnet 180, the groove 180a may have an opening formed in the lower surface of the bobbin 110. Although the groove 180a for accommodating the sensing magnet 180 may also be formed in the bottom of the groove 105 for accommodating the coil 120, the present disclosure is not limited thereto.

[0114] To seat the balancing magnet 185, the bobbin 110 may have a groove (not shown) formed in the outer surface of the side 110b4 facing the side (eg, 110b3) having the groove 180a therein. Although the groove in which the balancing magnet 185 is seated may be formed, for example, in the bottom of the groove 105, the present disclosure is not limited thereto.

[0115] The bobbin 110 may include a first stopper (not shown) protruding upward from an upper surface of the bobbin 110 and a second stopper (not shown) protruding downward from a lower surface of the bobbin 110 .

[0116] The first stopper and the second stopper of the bobbin 110 can be used to prevent the upper surface or the lower surface of the bobbin 110 from directly colliding with the inner wall of the cover member 300 or the upper surface of the base 210 even when the bobbin 110 moves beyond a prescribed range due to external impact, etc. while the bobbin 110 is moving in the first direction to perform the autofocus function.

[0117] At least one groove 19 in which the protrusion 303 of the cover member 300 is disposed may be provided in the upper surface of the bobbin 110. For example, the at least one groove 19 may be recessed from the upper surface of the bobbin 110.

[0118] Next, the coil 120 will be described.

[0119] The coil 120 may be disposed on an outer surface of the bobbin 110 , and may be an AF driving coil configured to electromagnetically interact with the magnet 130 disposed on the housing 140 .

[0120] For example, the coil 120 may be disposed or wound in the groove 105 in the bobbin 110 .

[0121] In order to generate electromagnetic force through interaction with the magnet 130 , a driving signal (eg, a driving current or voltage) may be supplied or applied to the coil 120 .

[0122] The driving signal applied to the coil 120 may be a DC signal, but is not limited thereto. The driving signal may be an AC signal or a signal including a DC component and an AC component.

[0123] The AF operation unit may move in a first direction, for example, in an upward direction (in a +z axis direction) or in a downward direction (in a −z axis direction) using an electromagnetic force caused by interaction between the coil 120 and the magnet 130 .

[0124] By controlling the strength and / or polarity (e.g., the direction of current flow) of the driving signal applied to the first coil 120 and thereby controlling the strength and / or direction of the electromagnetic force caused by the interaction between the coil 120 and the first and second magnets 130, the movement of the AF operating unit in the first direction can be controlled, thereby performing an autofocus function.

[0125] The AF operating unit may be driven unidirectionally or bidirectionally by an electromagnetic force caused by the interaction between the coil 120 and the magnet 130. Here, unidirectional driving means that the AF operating unit moves in one direction, for example, in an upward direction (i.e., in the +z axis direction) from an initial position of the AF operating unit, and bidirectional driving means that the AF operating unit moves in two directions (e.g., in an upward direction and a downward direction) based on the initial position of the AF operating unit.

[0126] For example, the initial position of the AF operating unit (e.g., the bobbin 110) may be the initial position of the AF operating unit (e.g., the bobbin) in a state where no power or drive signal is applied to the coil 120, or the position where the AF operating unit is located because the upper elastic member 150 and the lower elastic member 160 are elastically deformed only due to the weight of the AF operating unit.

[0127] In addition, the initial position of the AF operating unit (eg, the bobbin 110 ) may be a position where the AF operating unit is located when gravity acts in a direction from the bobbin 110 to the base 210 or when gravity acts in a direction from the base 210 to the bobbin 110 .

[0128] The AF operating unit may include a bobbin 110 elastically supported by an upper elastic member 150 and a lower elastic member 160 and a component mounted on the bobbin 110 and moving therewith. For example, the AF operating unit may include at least one of the bobbin 110, the coil 120, the sensing magnet 180, and the balancing magnet 185, and may further include a lens or a lens barrel when the lens or the lens barrel is mounted on the AF operating unit. The AF operating unit may be alternatively referred to as an AF moving unit.

[0129] The coil 120 may be provided on the bobbin 110 to have a closed curve shape, for example, a loop shape.

[0130] For example, the coil 120 may be wound around the optical axis in a clockwise direction or in a counterclockwise direction to have a closed loop shape, and may be wound or disposed on an outer surface of the bobbin 110 .

[0131] In another embodiment, the coil 120 may be implemented as a coil ring wound or arranged in a clockwise direction or in a counterclockwise direction around an axis perpendicular to the optical axis. Although the number of coil rings may be the same as the number of magnets 130, the present disclosure is not limited thereto. In another embodiment, the coil 120 may include a first coil unit facing the first magnet 130-1 and a second coil unit facing the second magnet 130-2. In this case, the first coil unit may be arranged on the side of the bobbin 110 facing the first magnet 130-1, and the second coil unit may be arranged on the side of the bobbin 110 facing the second magnet 130-2.

[0132] The coil 120 may be conductively connected to at least one of the upper elastic member 150 and the lower elastic member 160 , and may be conductively connected to the circuit board 190 via at least one of the upper elastic member 150 or the lower elastic member 160 .

[0133] For example, using solder or a conductive adhesive, the coil 120 may be coupled to the lower elastic unit of the lower elastic member 160. For example, the coil 120 is coupled to the two lower elastic units 160a and 160b.

[0134] For example, at an initial position of the AF operation unit (eg, the bobbin 110 ), the coil 120 disposed on the bobbin 110 may overlap the magnet 130 in a direction crossing the optical axis OA and perpendicular to the optical axis.

[0135] Furthermore, at the initial position of the AF operation unit (e.g., the bobbin 110), the coil 120 disposed on the bobbin 110 may overlap with the position sensor 170 in a direction intersecting and perpendicular to the optical axis, but is not limited thereto. In another embodiment, the coil 120 may not overlap with the position sensor 170.

[0136] For example, although the coil 120 disposed on the bobbin 110 at the initial position of the AF operating unit (e.g., the bobbin 110) may overlap the sensing magnet 180 (and the balancing magnet 185) in a direction extending through the optical axis OA and perpendicular to the optical axis OA, the present disclosure is not limited thereto. In another embodiment, the coil 120 may not overlap the sensing magnet 180 (or the balancing magnet 185).

[0137] Next, the outer cover 140 will be described.

[0138] At least a portion of the bobbin 110 is received in the housing 140 .

[0139] refer to Figure 4a to Figure 4c The housing 140 supports the magnet 130 , the position sensor 170 , the capacitor 195 , and the circuit board 190 , and accommodates the bobbin 110 in the housing 140 so that the bobbin 110 can move in the optical axis direction.

[0140] The housing 140 may have a column shape having a hole therein for receiving the bobbin 110. Here, the hole in the housing 140 may be a through hole formed through the housing 140 in the optical axis direction.

[0141] The outer cover 140 may include a plurality of side portions (eg, 141-1 to 141-4) and a plurality of corner portions (eg, 142-1 to 142-4). Here, the corner portions (eg, 142-1 to 142-4) of the outer cover 140 may be alternatively referred to as "pillar portions".

[0142] For example, the outer cover 140 may include sides (eg, 141 - 1 to 141 - 4 ) and corners (eg, 142 - 1 to 142 - 4 ) that collectively define a hole having a polygonal shape (eg, a square shape or an octagonal shape) or a circular (or oval) shape.

[0143] The outer cover 140 may include a first side 141-1 and a second side 141-2 facing each other, and a third side 141-3 and a fourth side 141-4 facing each other. Furthermore, the outer cover 140 may include a first corner 142-1 and a fourth corner 142-4 facing each other, and a second corner 142-2 and a third corner 142-3 facing each other.

[0144] For example, the outer cover 140 may include first to fourth sides 141-1 to 141-4 spaced apart from each other, a first corner 142-1 located between the second side 141-2 and the third side 141-3, a second corner 142-2 located between the first side 141-1 and the third side 141-3, a third corner 142-3 located between the second side 141-2 and the fourth side 141-4, and a fourth corner 142-4 located between the first side 141-1 and the fourth side 141-4.

[0145] The third side portion 141 - 3 and the fourth side portion 141 - 4 of the outer cover 140 may be disposed between the first side portion 141 - 1 and the second side portion 141 - 2 of the outer cover 140 .

[0146] The outer cover 140 may include a first side surface (or a first outer surface) corresponding to the first side surface (or a first outer surface) of the bobbin 110, a second side surface (or a second outer surface) corresponding to the second side surface (or a second outer surface) of the bobbin 110, a third side surface (or a third outer surface) corresponding to the third side surface (or a third outer surface) of the bobbin 110, and a fourth side surface (or a fourth outer surface) corresponding to the fourth side surface (or a fourth outer surface) of the bobbin 110. The third side surface and the fourth side surface (or the third outer surface and the fourth outer surface) of the outer cover 140 may be disposed between the first side surface and the second side surface (or the first outer surface and the second outer surface) of the outer cover 140.

[0147] For example, each of the first to fourth side surfaces (or first to fourth outer surfaces) of the cover 140 may be one side surface or outer surface of a corresponding one of the first to fourth side portions 141 - 1 to 141 - 4 of the cover 140 .

[0148] Each of the first to fourth side portions 141 - 1 to 141 - 4 of the housing 140 may be disposed parallel to a corresponding one of the side plates 302 of the cover member 300 .

[0149] Each of the first to fourth sides 141-1 to 141-4 of the outer cover 140 may correspond to one of the sides 110b1 to 110b4 of the bobbin 110, and each of the first to fourth corners 142-1 to 142-4 of the outer cover 140 may correspond to one of the first to fourth corners 110c1 to 110c4 of the bobbin 110.

[0150] The inner surface of each of the corners 142 - 1 to 142 - 4 of the outer cover 140 may be a flat surface, a chamfered surface, or a curved surface.

[0151] The outer cover 140 may include a seating portion 141 formed in a first side portion 141-1 of the outer cover 140 to install the first magnet unit 130-1, and the outer cover 140 may include a seating portion 141b formed in a second side portion 141-2 of the outer cover 140 to install the second magnet unit 130-2.

[0152] Although each of the seating portions 141a and 141b is Figure 4a 140 is shown as having a hole or through-hole formed through the first side portion 141-1 or the second side portion 141-2 of the housing 140, but the present disclosure is not limited thereto. In another embodiment, each seating portion may have a groove or concave shape.

[0153] The outer cover 140 may include a support member 18, which is arranged adjacent to the placement portions 141a and 141b to support the first surface of the peripheral surface of the first magnet unit 130-1 and the second magnet unit 130-2. The support member 18 may be positioned adjacent to the inner surface of the outer cover 140 and may protrude in the horizontal direction from the side surfaces of the placement portions 141a and 141b. For example, each support member 18 may include a tapered portion or an inclined surface. In another embodiment, the outer cover 140 may not include the support member 18.

[0154] To prevent the cover 140 from colliding with the inner surface of the upper plate 301 of the cover member 300, the cover 140 may be provided with a stopper 143 on an upper portion, upper surface or upper end of the cover 140. Here, the stopper 142 may be alternatively referred to as a "boss" or "protrusion".

[0155] In order to couple to the hole 152a in the first outer frame 152 of the upper elastic member 150, the outer cover 140 may include at least one first coupler 144 disposed on an upper portion, upper surface, or upper end of the outer cover 140. Although the first coupler 144 of the outer cover 140 may have Figure 4a In another embodiment, the first connector 144 may have a protruding shape, but the present disclosure is not limited thereto. In another embodiment, the first connector 144 may have a groove shape or a flat surface shape.

[0156] Furthermore, in order to couple to the hole 162a in the second outer frame 162 of the lower elastic member 160, the outer cover 140 may include at least one second coupler 147 disposed on a lower portion, lower surface or lower end of the outer cover 140. Although the second coupler 147 is Figure 4c In the embodiment, the second connector 147 is shown as having a protruding shape, but the present disclosure is not limited thereto. In another embodiment, the second connector 147 may have a groove shape or a flat surface shape.

[0157] Although in Figure 4a to Figure 4c In the embodiment, the first coupler 144 and the second coupler 147 are disposed on at least one of the corners 142-1 to 142-4 of the housing 140, but the present disclosure is not limited thereto. In another embodiment, the first coupler 144 and the second coupler 147 may be disposed on at least one of the side portions 141-1 to 141-4 and the corner portions 142-1 to 142-4.

[0158] In order to prevent a lower surface or bottom of the housing 140 from colliding with the base 210 to be described later, the housing 140 may include at least one stopper (not shown) protruding from a lower portion, lower surface, or lower end of the housing 140 .

[0159] A guide groove 148 corresponding to the protrusion 216 of the base 210 may be provided in a lower portion, a lower surface, or a lower end of at least one of the first to fourth corner portions 142 - 1 to 142 - 4 of the housing 140 .

[0160] For example, the guide groove 148 in the outer cover 140 may be coupled to the protrusion 216 of the base 210 using an adhesive member or a shielding member, and the outer cover 140 may be coupled to the base 210 using an adhesive member.

[0161] In order to avoid spatial interference with the portion where the first frame connectors 153-1 to 153-4 of the upper elastic member 150 are connected to the first outer frame 152, at least one avoidance groove 15a may be provided in an upper portion, an upper surface or an upper end of at least one of the first to fourth side portions 141-1 to 141-4 of the outer cover 140.

[0162] Furthermore, in order to avoid spatial interference with the portion where the second frame connectors 163-1 and 163-2 of the lower elastic member 160 are connected to the second outer frame 161, at least one avoidance groove 16a may be provided in the lower portion, lower surface or lower end of at least one of the first to fourth corners 142-1 to 142-4 of the outer cover 140.

[0163] In another embodiment, one or more of each of the avoidance grooves 15 a and / or the avoidance grooves 16 a in the outer cover 140 may be provided on at least one of the side portions 141 - 1 to 141 - 4 or the corner portions 142 - 1 to 142 - 4 of the outer cover 140 .

[0164] An escape groove 25 may be provided in the upper surface of the housing 140 to avoid spatial interference with the first frame connectors 153 - 1 to 153 - 4 of the upper elastic member 150 .

[0165] For example, at least some portions of the first frame connectors 153 - 1 to 153 - 4 of the upper elastic member 150 are disposed in the escape groove 25 .

[0166] refer to Figure 4a , the upper surface of the housing 140 may include a first surface 11a and a second surface 11b having a height difference with respect to the first surface 11a in the optical axis direction. The second surface 11b may be positioned lower than the first surface 11a.

[0167] For example, the escape groove 25 in the outer cover 140 may be recessed from the first surface 11 a of the outer cover 140 , and the bottom surface of the escape groove 25 in the outer cover 140 may be the second surface 11 b of the outer cover 140 .

[0168] At least one of the stopper 143 and the coupler 144 of the housing 140 may protrude from the first surface 11 a of the housing 140 in the optical axis direction.

[0169] The outer cover 140 may include protrusions 144 - 1 to 144 - 4 which guide the first frame connectors 153 - 1 to 153 - 4 of the upper elastic member 150 and support the dampers 53A to 53D.

[0170] The protrusions 144 - 1 to 144 - 4 may correspond to frame connectors.

[0171] For example, each of the protrusions 144 - 1 to 144 - 4 may be disposed adjacent to a portion of a corresponding one of the frame connectors.

[0172] For example, the protrusions 144 - 1 to 144 - 4 may be provided on the corners 142 - 1 to 142 - 4 of the outer cover 140 .

[0173] For example, the protrusions 144 - 1 to 144 - 4 may be located on the bottom surface of the escape groove 25 in the housing 140 .

[0174] Although the protrusions 144 - 1 to 144 - 4 may protrude in the optical axis direction with respect to the frame connectors 153 - 1 to 153 - 4 of the upper elastic member 150 , the present disclosure is not limited thereto.

[0175] For example, the height of the upper end or upper surface of the protrusions 144-1 to 144-4 may be higher than the height of the upper surface of the frame connectors 153-1 to 153-4. In another embodiment, the height of the upper end or upper surface of the protrusions 144-1 to 144-4 may be equal to or lower than the height of the upper surface of the frame connectors 153-1 to 153-4.

[0176] For example, at least some portions of the first frame connectors 153 - 1 to 153 - 4 of the upper elastic member 150 may be disposed between the sidewalls of the escape groove 25 and the protrusions 144 - 1 to 144 - 4 of the outer cover 140 .

[0177] For example, although the avoidance grooves 25 and the protrusions 144-1 to 144-4 may be provided on the corners 142-1 to 142-4 of the housing 140, the present disclosure is not limited thereto. In another embodiment, the protrusions 144-1 to 144-4 may also be provided on the side portions 141-1 to 141-4.

[0178] For example, although the protrusions 144 - 1 to 144 - 4 may be disposed adjacent to or in contact with the inner surface of the outer cover 140 , the present disclosure is not limited thereto. In another embodiment, the protrusions may be disposed spaced apart from the inner surface of the outer cover 140 .

[0179] For example, although the shape of each of the protrusions 144-1 to 144-4 may be a triangular shape when viewed from above, the present disclosure is not limited thereto. In another embodiment, each protrusion may have a polygonal shape such as a square shape, a circular shape, or an elliptical shape.

[0180] One side portion (eg, the third side portion 141 - 3 ) of the outer cover 140 may be provided with a structure (eg, a protrusion or a groove) configured to be coupled to the circuit board 190 .

[0181] The outer surface of the third side portion 141 - 3 of the housing 140 may be provided with a groove 25 a in which the circuit board 190 is disposed. The groove 25 a may have a shape that is consistent with or corresponds to the shape of the circuit board 190 .

[0182] For example, the circuit board 190 may be attached to the third side portion 141 - 3 (or the groove 25 a ) of the housing 140 using an adhesive or the like.

[0183] In order to arrange the placement of the position sensor 170 , the housing 140 may include a first seating portion 17 a formed in the third side portion 141 - 3 .

[0184] Furthermore, in order to provide placement of the capacitor 195 , the housing 140 may include a second placement portion 17 b formed in the first corner portion 142 - 1 (or the first column portion).

[0185] The first seating portion 17 a and the second seating portion 17 b in the outer cover 140 may be formed in a side surface of the groove 25 a in the outer cover 140 so as to be spaced apart from each other.

[0186] For example, the first seating portion 17 a formed in the third side portion 141 - 3 of the housing 140 may be located between the first corner portion 142 - 1 and the second corner portion 142 - 2 , and the second seating portion 17 b may be formed in the first corner portion 142 - 1 of the housing 140 .

[0187] For example, the first seating portion 17a may be formed in a central area of ​​an outer surface of the third side portion 141-3 of the housing 140. For example, the first seating portion 17a may be formed at a position spaced apart from the first corner portion 142-1 and the second corner portion 142-2 by the same distance.

[0188] In another embodiment, the first seating portion 17 a may be formed from the second corner portion 142 - 2 of the outer cover 140 to the third side portion 141 - 3 of the outer cover 140 .

[0189] The second seating portion 17b may be formed in the first corner portion 142-1, or may be formed adjacent to the first corner portion 142-1.

[0190] exist Figure 4a In the embodiment, the first seating portion 17a may have the form of an opening or a through hole formed through the third side portion 141-3 of the outer cover 140 so that the outer cover 140 is not interposed between the sensing magnet 180 and the position sensor 170, thereby increasing the output of the position sensor 170 and thus enhancing the sensitivity of the position sensor 170. In another embodiment, the first seating portion may have the form of a groove.

[0191] For example, although the first seating portion 17a may be formed in the center of the third side portion 141-3 or may be positioned to be spaced apart from the first corner portion 142-1 and the second corner portion 142-2 by the same distance, the present disclosure is not limited thereto.

[0192] In another embodiment, the first seating portion may be positioned closer to one of the first corner portion 142 - 1 and the second corner portion 142 - 2 than to the other of the first corner portion 142 - 1 and the second corner portion 142 - 2 .

[0193] The second seating portion 17 b may not have a through-hole shape, but may have a groove recessed from the outer surface of the first corner portion 142 - 1 of the housing 140 .

[0194] In the case where the first seating portion accommodates the position sensor 170 and the capacitor 195 without additionally forming the second seating portion, the size of the opening in the first seating portion increases, thereby allowing contaminants to enter the housing 140 through the opening. However, since in this embodiment, the second seating portion 17b is formed to have a groove shape independently of the first seating portion 17a and the first seating portion is formed to have a size that accurately corresponds to the size of the position sensor 170, the possibility of contaminants entering the housing 140 through the first seating portion 17a can be reduced.

[0195] In another embodiment, the second seating portion 17b may be configured to have an opening or through-hole shape.

[0196] For example, although the first seating portion 17 a of the housing 140 may have a shape identical to or corresponding to that of the position sensor 170 , the present disclosure is not limited thereto.

[0197] Although the second seating portion 17 b of the housing 140 may have a shape identical to or corresponding to that of the capacitor 195 , the present disclosure is not limited thereto.

[0198] The corner portion (eg, 142 - 1 ) of the outer cover 140 may include a first region having a thickness greater than that of the side portions 141 - 1 to 141 - 4 of the outer cover 140 .

[0199] The capacitor 195 may be disposed in the first region of the first corner portion 142-1 of the housing 140. Accordingly, since the embodiment can allow the capacitor 195 to be easily disposed on the housing without increasing the size of the housing 140 or reducing the size of the hole in the bobbin 110, the limitation on the installation of the capacitor 195 due to the size of the capacitor 195 can be eliminated.

[0200] Next, the magnet 130 , the sensing magnet 180 , and the balancing magnet 185 will be described.

[0201] The magnet 130 may be a magnet that is disposed on the housing 140 and is capable of generating an electromagnetic force caused by an interaction between the coils 120 and thus moving the bobbin 110 using the electromagnetic force.

[0202] The magnet 130 may include a plurality of magnet units. For example, the magnet may include two or more magnet units.

[0203] For example, the magnet 130 may include a first magnet unit 130 - 1 and a second magnet unit 130 - 2 .

[0204] The first magnet unit 130 - 1 and the second magnet unit 130 - 2 may be disposed on both facing sides (eg, 141 - 1 and 141 - 2 ) of the housing 140 .

[0205] For example, the first magnet unit 130 - 1 may be disposed on a side surface or an outer surface of a first side portion 141 - 1 of the outer cover 140 , and the second magnet unit 130 - 2 may be disposed on a side surface or an outer surface of a second side portion 141 - 2 of the outer cover 140 .

[0206] For example, the first magnet unit 130 - 1 and the second magnet unit 130 - 2 may be disposed on the seating parts 141 a and 141 b in the housing 140 .

[0207] In another embodiment, the first and second sides 141 - 1 and 141 - 2 of the outer cover 140 may not be provided with openings, and the first and second magnet units 130 - 1 and 130 - 2 may be provided on outer or inner surfaces of the sides 141 - 1 and 141 - 2 of the outer cover 140 .

[0208] Although each of the first and second magnet units 130 - 1 and 130 - 2 may have a shape corresponding to the outer surfaces of the sides 141 - 1 and 141 - 2 of the housing 140 , such as a polyhedral shape (eg, a rectangular parallelepiped shape), the present disclosure is not limited thereto.

[0209] Each of the first magnet unit 130-1 and the second magnet unit 130-2 may be a unipolar magnetized magnet including two different magnetic poles and an interface plane naturally formed between the two different magnetic poles. For example, each of the first magnet unit 130-1 and the second magnet unit 130-2 may be a unipolar magnetized magnet whose first surface facing the coil 120 is an N pole and whose second surface opposite to the first surface is an S pole. However, the present disclosure is not limited thereto, and an inverted arrangement of the N pole and the S pole is also possible.

[0210] In another embodiment, in order to increase the electromagnetic force, each of the first magnet unit 130-1 and the second magnet unit 130-2 may be a bipolar magnetized magnet divided into two parts in a direction perpendicular to the optical axis. Here, the first magnet unit 130-1 and the second magnet unit 130-2 may be implemented as a ferrite magnet, an aluminum nickel cobalt magnet, a rare earth magnet, etc.

[0211] When each of the first magnet 130 - 1 and the second magnet 130 - 2 is a bipolar magnetized magnet, each of the first magnet 130 - 1 and the second magnet 130 - 2 may include a first magnet portion, a second magnet portion, and a partition wall disposed between the first magnet portion and the second magnet portion.

[0212] The first magnet portion may include an N pole, an S pole, and a first interface plane between the N pole and the S pole. Here, the first interface plane may be a portion of a segment having substantially no magnetism and almost no polarity, and may be a naturally formed portion, thereby forming a magnet consisting of one N pole and one S pole.

[0213] The second magnet portion may include an N pole, an S pole, and a second interface plane between the N pole and the S pole. Here, the second interface plane may be a portion of a segment that is substantially non-magnetic and has almost no polarity, and may be a naturally formed portion, thereby forming a magnet consisting of one N pole and one S pole.

[0214] The partition wall can separate or isolate the first magnet portion and the second magnet portion from each other, and can be a portion that is substantially free of magnetism or polarity. For example, the partition wall can be a non-magnetic material, air, etc. That is, the partition wall can be considered a "neutral section".

[0215] The partition wall may be a portion artificially formed when the first magnet portion and the second magnet portion are magnetized, and the width of the partition wall may be greater than the width of each of the first interface and the second interface. Here, the width of the partition wall may be the length of the partition wall in the direction from the first magnet portion toward the second magnet portion.

[0216] For example, although the first magnet portion and the second magnet portion may be disposed so that opposite magnetic poles thereof face each other in the optical axis direction, the present disclosure is not limited thereto.

[0217] For example, the first and second magnet parts may be disposed such that an N pole of the first and second magnet parts face the coil 120. However, the present disclosure is not limited thereto, and an inverted arrangement is also possible.

[0218] Although the first surface of each of the first and second magnet units 130-1 and 130-2 may be configured as a flat surface, the present disclosure is not limited thereto. The first surface of each of the first and second magnet units 130-1 and 130-2 may be configured to have a curved surface, an inclined surface, or a tapered surface.

[0219] For example, the first surface of each of the first magnet unit 130 - 1 and the second magnet unit 130 - 2 may be a surface facing the outer surface of the bobbin 110 and / or the coil 120 .

[0220] In another embodiment, at least one magnet unit may be provided on at least one of the other side portions 141 - 3 and 141 - 4 of the outer cover 140 .

[0221] In yet another embodiment, the magnet unit may be disposed on at least one of the corners of the outer cover 140 instead of being disposed on the side of the outer cover 140. For example, the magnet unit may be disposed on both corners of the outer cover 140 located opposite to each other, or may be disposed on corresponding corners of the outer cover 140.

[0222] Next, the sensing magnet 180 and the balancing magnet 185 will be described.

[0223] The sensing magnet 180 may be disposed on an outer surface of the bobbin 110 facing the position sensor 170 , and the balancing magnet 185 may be disposed on another outer surface of the bobbin 110 opposite to the outer surface of the bobbin 110 on which the sensing magnet 180 is disposed.

[0224] The sensing magnet 180 may be disposed on one of the third and fourth sides 110b3 and 110b4 or the third and fourth outer surfaces of the bobbin 110, and the balancing magnet 185 may be disposed on the other of the third and fourth sides 110b3 and 110b4 or the third and fourth outer surfaces of the bobbin 110.

[0225] For example, the sensing magnet 180 may be disposed on the third side portion 110b3, the third side surface, or the third outer surface of the bobbin 110, and the balancing magnet 185 may be disposed on the fourth side portion 110b4, the fourth side surface, or the fourth outer surface of the bobbin 110. For example, the sensing magnet 180 may be disposed in a groove 180a in the bobbin 110, and the balancing magnet 185 may be disposed in a groove (not shown) formed in the fourth side portion 110b4 of the bobbin 110.

[0226] Although in Figure 1 In the embodiment shown in FIG. 1 , the sensing magnet 180 and the balancing magnet 185 are respectively disposed on the side portions 110b3 and 110b4 of the bobbin 110, but in another embodiment, the sensing magnet 180 and the balancing magnet 185 may be respectively disposed on the corners of the bobbin 110. For example, in Fig.18 In the embodiment shown in FIG. 1 , the second magnet 1230 and the third magnet 1240 are respectively disposed on the corners of the bobbin 1210, and the description of the second magnet 1230 and the third magnet 1240 may be applied to Figure 1 The sensing magnet and balancing magnet shown in , with or without modifications.

[0227] For example, although each of the sensing magnet 180 and the balancing magnet 185 may be configured to have the form of a polyhedron (eg, a hexahedron), a circular column, or a circular cylinder, the present disclosure is not limited thereto.

[0228] Although the sensing magnet 180 (or the balancing magnet 185 ) may overlap the coil 120 in a direction intersecting the optical axis and parallel to a line perpendicular to the optical axis, the present disclosure is not limited thereto. In another embodiment, the sensing magnet 180 (or the balancing magnet 185 ) may not overlap the coil 120 .

[0229] The sensing magnet 180 (or the balancing magnet 185) may be located inside the coil 120. Here, the inside of the coil 120 may be a direction toward the center of the bobbin 110 relative to the coil 120. In other words, since the coil 120 is located outside the sensing magnet 180 and the balancing magnet 185, the electromagnetic force between the coil 120 and the first and second magnet units 130-1 and 130-2 can be increased.

[0230] Although a portion of one surface of the sensing magnet 180 installed in the groove 180a in the bobbin 110 may protrude from the outer surface of the bobbin 110, the present disclosure is not limited thereto. In another embodiment, the portion may not protrude from the outer surface of the bobbin 110.

[0231] For example, the sensing magnet 180 may be fitted into the groove 180a through an opening in the groove 180a formed in the lower surface of the bobbin 110. For example, the sensing magnet 180 may be fixed or attached to the groove 180a in the bobbin 110 using an adhesive such as epoxy.

[0232] Each of the sensing magnet 180 and the balancing magnet 185 may be a monopolar magnetized magnet disposed such that its upper portion has an N pole and its lower portion has an S pole. However, the present disclosure is not limited thereto, and the polarity may be arranged in an opposite manner.

[0233] For example, each of the sensing magnet 180 and the balancing magnet 185 may be disposed so that the interface between the N pole and the S pole is parallel to the direction perpendicular to the optical axis. However, the present disclosure is not limited thereto, and in another embodiment, the interface between the N pole and the S pole may be parallel to the optical axis.

[0234] In another embodiment, each of the sensing magnet 180 and the balancing magnet 185 may be a bipolar magnetized magnet. The bipolar magnetized magnet may include: a first magnet portion including an N pole and an S pole; a second magnet portion including an N pole and an S pole; and a non-magnetic partition wall disposed between the first magnet portion and the second magnet portion.

[0235] The sensing magnet 180 may move in the optical axis direction OA together with the bobbin 110 using the electromagnetic force caused by the interaction between the coil 120 and the magnet 130. At this time, the position sensor 170 may detect the intensity of the magnetic field of the sensing magnet 180 moving in the optical axis direction, and may output an output signal corresponding to the detected intensity.

[0236] For example, the controller 830 of the camera module 200 or the controller 780 of the optical device 200A may sense or detect the displacement of the bobbin 110 in the optical axis direction using an output signal output from the position sensor 170 .

[0237] The balancing magnet 185 may be disposed on the bobbin 110 so as to offset the influence of the magnetic field of the sensing magnet 180 on the coil 120 and the magnet 130 and achieve weight balance with respect to the AF operating unit.

[0238] At an initial position of the AF operating unit (eg, the bobbin 110 ), the position sensor 170 and the sensing magnet 180 may overlap each other at least at a portion thereof in a direction crossing and perpendicular to the optical axis.

[0239] Furthermore, the first magnet unit 130 - 1 and the second magnet unit 130 - 2 may overlap each other in a direction intersecting the optical axis and parallel to a line perpendicular to the optical axis and in a direction from the first side portion 141 - 1 toward the second side portion 141 - 2 .

[0240] Next, the position sensor 170 , the circuit board 190 , and the capacitor 195 will be described.

[0241] The circuit board 190 and the position sensor 170 may be disposed on one side of the housing 140. For example, although the circuit board 190 and the position sensor 170 may be disposed on a side of the housing 140 where the magnet 130 is not disposed, the present disclosure is not limited thereto.

[0242] For example, the circuit board 190 and the position sensor 170 may be disposed on the third side portion 141 - 3 , the third side surface, or the third outer surface of the housing 140 , thereby avoiding spatial interference with the magnet 130 .

[0243] For example, the circuit board 190 may be disposed in a groove 25a formed in the third side portion 141-3 of the housing 140. At least a portion of the first surface 19a of the circuit board 190 may contact a surface of the groove 25a in the housing 140.

[0244] The circuit board 190 may include a plurality of terminals (or “external terminals”) B1 to B6, which are conductively connected to the outside; and terminals 91 and 92, which are conductively connected to the lower elastic member 160 and receive a drive signal for driving the coil 120 from the position sensor 170.

[0245] For example, the circuit board 190 may be a PCB or a FPCB.

[0246] For example, the first and second terminals 91 and 92 may be formed on the first surface 19 a of the circuit board 190 , and the plurality of external terminals B1 to B6 may be formed on the second surface 19 b of the circuit board 190 .

[0247] For example, although the plurality of external terminals B1 to B6 may be arranged in a row at the lower end of the second surface 19b of the circuit board 190, the present disclosure is not limited thereto. Here, the second surface 19b of the circuit board 190 may be a surface opposite to the first surface 19a of the circuit board 190.

[0248] Although Figure 4b The circuit board 190 shown in FIG. 1 includes six external terminals B1 to B6 , but the present disclosure is not limited thereto.

[0249] The circuit board 190 may include a circuit pattern or wires for conductively connecting the position sensor 190 to the terminals 91 , 92 , and B1 to B6 .

[0250] The position sensor 170 may be mounted or disposed on the first surface 19 a of the circuit board 190 , and may be conductively connected to the circuit board 190 .

[0251] For example, the position sensor 170 may be disposed at the inner side of the circuit board 190 disposed on the third side portion 141-1 of the housing 140. Here, the inner side of the circuit board 190 may be a side toward the center of the housing 140 based on the circuit board 190.

[0252] The position sensor 170 may be disposed on the first seating portion 17 a formed in the third side portion 141 - 3 of the housing 140 .

[0253] At the initial position of the bobbin 110, the position sensor 170 disposed on the third side 141-3 of the housing 140 may overlap with the sensing magnet 180 disposed on the bobbin 110 in a direction from the third side 141-3 of the housing 140 toward the fourth side 141-4 of the housing 140. However, the present disclosure is not limited thereto, and in another embodiment, the position sensor 170 may not overlap with the sensing magnet 180.

[0254] At the initial position of the bobbin 110, the position sensor 170 provided on the housing 140 may overlap the coil 120 in a direction from the third side 141-3 of the housing 140 toward the fourth side 141-4 of the housing 140. However, the present disclosure is not limited thereto, and the position sensor 170 may not overlap the coil 120.

[0255] For example, at the initial position of the bobbin 110, the capacitor 195 disposed on the outer cover 140 may overlap the coil 120 in a direction from the third side 141-3 of the outer cover 140 toward the fourth side 141-4 of the outer cover 140. Here, the capacitor 195 may overlap a portion of the coil 120 disposed on a corner 110c1 of the bobbin 110 corresponding to or facing the first corner 142-1 of the outer cover 140.

[0256] The sensor 170 disposed on the housing 140 may not overlap the first and second magnet units 130 - 1 and 130 - 2 in a direction from the third side 141 - 3 of the housing 140 toward the fourth side 141 - 4 of the housing 140 .

[0257] The position sensor 170 may detect the intensity of the magnetic field of the third magnet 180 mounted on the bobbin 110 during the movement of the bobbin 110 , and may output a signal (eg, an output signal) corresponding to a result of the detection.

[0258] The position sensor 170 may be implemented as a separate Hall sensor, or may be implemented as a driver including a Hall sensor. The driver type position sensor may include a temperature sensing element.

[0259] For example, when the position sensor 170 is implemented as a Hall sensor, the position sensor 170 may include two input terminals to which a driving signal or power is supplied and two output terminals through which a sensing voltage (or an output voltage) is output.

[0260] For example, when the position sensor 170 is a driver-type position sensor including a Hall sensor, the position sensor 170 may include first to fourth terminals and fifth and sixth terminals, wherein the first to fourth terminals are used to transmit and receive data to and from an external device through data communication using a protocol such as I2C communication, and the fifth and sixth terminals are used to supply a drive signal to the coil 120.

[0261] For example, the driver of the position sensor 170 may receive a power signal from the controller 830 or 780 via the first terminal to the fourth terminal, and may transmit and receive a clock signal and a data signal to and from the controller 830 or 780. For example, the power signal may include a ground power (GND) component and a predetermined power (VDD) component for driving the driver of the position sensor 170.

[0262] The capacitor 195 may be disposed on the first corner portion 142-1 of the housing 140. For example, the capacitor 195 may be disposed in the seating portion 17b in the housing 140.

[0263] The capacitor 195 may be disposed or mounted on the first surface 19 a of the circuit board 190 , and may be conductively connected to the circuit board 190 .

[0264] Capacitor 195 may be a chip type, and may include a first terminal conductively connected to one end of capacitor 195 and a second terminal conductively connected to the other end of capacitor 195. Capacitor 195 may alternatively be referred to as a capacitive device or a capacitor.

[0265] In another embodiment, capacitor 195 may be implemented to be included in circuit board 190. For example, circuit board 190 may include a capacitor including a first conductive layer, a second conductive layer, and an insulating layer (eg, a dielectric layer) between the first conductive layer and the second conductive layer.

[0266] The capacitor 195 may be conductively connected in parallel to two terminals of the position sensor 170 that supply a power signal.

[0267] For example, the capacitor 195 may be conductively connected in parallel to external terminals (eg, B1 and B2 ) of the circuit board 190 that supply a power signal to the position sensor 170 .

[0268] Capacitor 195 can be conductively connected in parallel to two external terminals B1 and B2 of circuit board 190 , thereby serving as a smoothing circuit to eliminate the fluctuating component contained in the power signal supplied from the outside to position sensor 170 , thereby providing a stable and constant power signal to position sensor 170 .

[0269] For example, capacitor 195 can prevent high-frequency noise components introduced from the outside or overcurrent caused by ESD, etc. from being applied to position sensor 170, and can prevent the calibration value related to the displacement of the bobbin obtained based on the output signal of position sensor 170 from being reset due to overcurrent.

[0270] Although in Figure 1 In the embodiment shown in FIG. 1 , the position sensor 170 is disposed on the housing 140 , but in another embodiment, the position sensor may be disposed on the base 210 . Fig.18 In the embodiment shown in FIG. 1 , the sensor 1600 is disposed on the base 1400 , and Fig.18 The sensor 1600 shown in the description may be applied to Figure 1 The embodiments shown in , whether modified or not.

[0271] Furthermore, although Figure 1 In the embodiment shown in FIG. 1 , the circuit board 190 is conductively connected to the position sensor 170 , but in another embodiment, the circuit board 190 may be omitted. Fig.18 In the embodiment shown in FIG. 1 , a circuit board is not provided, and the sensor 1600 is conductively connected to the terminal 450 provided on the base 1400. The description of the sensor 1600 and the terminal 450 may be applied to Figure 1 The embodiment shown in .

[0272] Furthermore, although the first lower elastic member 160a and the second lower elastic member 160b connected to the first coil 120 are conductively connected to the circuit board 190, the present disclosure is not limited thereto. In another embodiment, the circuit board 190 may be omitted, and each of the first lower elastic member and the second lower elastic member may include a terminal portion conductively connected to an external component. For example, in Fig.18 In the embodiment shown in , the lower elastic member 1520 includes a terminal portion 1524, and the description of the terminal portion 1524 can be applied to Figure 1 The first lower elastic member 160a and the second lower elastic member 160b shown in FIG. 1 may be modified or not.

[0273] Next, the upper elastic member 150 and the lower elastic member 160 will be described.

[0274] The upper elastic member 150 and the lower elastic member 160 may be coupled to the bobbin 110. For example, the upper elastic member 150 and the lower elastic member 160 may be coupled to the bobbin 110 and the outer cover 140, thereby supporting the bobbin 110.

[0275] For example, the upper elastic member 150 may be coupled to an upper portion, upper surface, or upper end of the bobbin 110 and an upper portion, upper surface, or upper end of the outer cover 140, and the lower elastic member 160 may be coupled to a lower portion, lower surface, or lower end of the bobbin 110 and a lower portion, lower surface, or lower end of the outer cover 140.

[0276] At least one of the upper elastic member 150 and the lower elastic member 160 may be divided or separated into two or more. For example, the lower elastic member 160 may include a first lower elastic unit 160a and a second lower elastic unit 160b spaced apart from each other.

[0277] Although each of the upper elastic member 150 and the lower elastic member 160 may be implemented as a leaf spring, the present disclosure is not limited thereto. Each of the upper elastic member 150 and the lower elastic member 160 may be implemented as a coil spring, a suspension wire, or the like.

[0278] Although the upper elastic member 150 is Figure 5 120 is shown as having a single elastic unit that is not divided, but the present disclosure is not limited thereto. In another embodiment, the upper elastic member may include a plurality of elastic units, and the plurality of elastic units may be conductively connected to the coil 120.

[0279] The upper elastic member 150 may include: a first inner frame coupled to an upper portion, an upper surface, or an upper end of the bobbin 110; a first outer frame coupled to an upper portion, an upper surface, or an upper end of the outer cover 140; and a first frame connector that connects the first inner frame to the first outer frame. Here, the term "inner frame" may be used interchangeably with "inner", the term "external frame" may be used interchangeably with "external", and the term "frame connector" may be used interchangeably with "connector".

[0280] For example, although the first inner frame of the upper elastic member 150 may include first coupling frames 151-1 and 151-2 coupled to the bobbin 110 and first connecting frames 151-1a and 151-2a connecting the first coupling frames 151-1 and 151-2 to each other, the present disclosure is not limited thereto. In the first inner frame according to another embodiment, the first connecting frame may be omitted.

[0281] Although in Figure 5 In the embodiment shown in , the first inner frame of the upper elastic member 150 includes two first coupling frames facing each other and two first connecting frames facing each other, but the present disclosure is not limited thereto. The number of the first coupling frames may be one or more, and the number of the first connecting frames may be one or more.

[0282] Although the first outer frame of the upper elastic member 150 may include second coupling frames 152-1 to 152-4 coupled to the outer cover 140 and second connection frames 152-1a to 152-4a connecting the second coupling frames 152-1 to 152-4 to each other, the present disclosure is not limited thereto. In the first outer frame according to another embodiment, the second connection frame may be omitted.

[0283] exist Figure 5 In the embodiment shown in , although the first outer frame of the upper elastic member 150 includes four second coupling frames and four second connecting frames, the present disclosure is not limited thereto. The number of the second coupling frames may be one or more, and the number of the second connecting frames may be one or more.

[0284] The upper elastic member 150 may include a plurality of first frame connectors 153-1 to 153-4. For example, although the upper elastic member 150 may include four first frame connectors 153-1 to 153-4, the present disclosure is not limited thereto. The number of the first frame connectors may be one or more.

[0285] The first frame connectors 153 - 1 to 153 - 4 may connect the first coupling frames 151 - 1 and 151 - 2 to the first outer frame.

[0286] For example, the first frame connectors 153 - 1 to 153 - 4 may connect the first coupling frames 151 - 1 and 151 - 2 of the first inner frame to two connection frames 152 - 1 a and 152 - 2 a of the first outer frame facing each other.

[0287] In another embodiment, the first frame connector may connect the first coupling frame of the first inner frame to the second coupling frame of the first outer frame.

[0288] In yet another embodiment, the first frame connector may connect one of the first coupling frame and the first connecting frame of the first inner frame to one of the second coupling frame and the second connecting frame of the first outer frame.

[0289] Each of the first frame connectors 153 - 1 to 153 - 4 may be bent or folded (or rounded) at least once, thereby defining a predetermined pattern.

[0290] For example, each of the first frame connectors 153 - 1 to 153 - 4 may include a plurality of bent portions or folded portions.

[0291] The bobbin 110 may be flexibly (or elastically) supported by positional changes and fine deformations of the first frame connectors 153 - 1 to 153 - 4 .

[0292] The first inner frame of the upper elastic member 150 may have a first hole 151a formed therein, to which the first coupler 113 of the bobbin 110 is coupled, and the first outer frame may have a second hole 152a formed therein, to which the first coupler 144 of the cover 140 is coupled. Although each of the holes 151a and 152a may have a slit connected thereto, no slit may be formed in another embodiment.

[0293] For example, although the first couplers 144 each having a protrusion form may be located at the corners 142-1 to 142-4 of the housing 140 so as to be spaced apart from the protrusions 144-1 to 144-4, the present disclosure is not limited thereto. The height of the upper ends or upper surfaces of the protrusions 144-1 to 144-4 may be higher than the height of the first protrusion-shaped couplers 144. In another embodiment, the height of the upper ends or upper surfaces of the protrusions 144-1 to 144-4 may be equal to or lower than the height of the first protrusion-shaped couplers 144.

[0294] The diameter of each of the protrusions 144-1 to 144-4 or the cross-sectional area of ​​each of the protrusions 144-1 to 144-4 taken in a direction perpendicular to the optical axis may be greater than the diameter of each of the couplers 144 or the cross-sectional area of ​​each of the couplers 144 taken in a direction perpendicular to the optical axis. In another embodiment, the diameter of each of the protrusions 144-1 to 144-4 or the cross-sectional area of ​​each of the protrusions 144-1 to 144-4 taken in a direction perpendicular to the optical axis may be equal to or less than the diameter of each of the couplers 144 or the cross-sectional area of ​​each of the couplers 144 taken in a direction perpendicular to the optical axis.

[0295] For example, the first holes 151 a may be formed in the first coupling frames 151 - 1 and 151 - 2 , and the second holes 152 a may be formed in the second coupling frames 152 - 1 to 152 - 4 .

[0296] At least a portion of the upper elastic member 150 may be symmetrical with respect to the first axis 601 , and the position sensor 170 and / or the sensing magnet 180 may be disposed in the direction of the second axis 602 .

[0297] Furthermore, at least a portion of the lower elastic member may be symmetrical based on the first axis 601 , and the position sensor 170 and / or the sensing magnet 180 may be disposed in the direction of the second axis 602 .

[0298] The first frame connectors 153 - 1 to 153 - 4 may be symmetrical, line-symmetrical, or bilaterally symmetrical based on the first axis 601 .

[0299] Furthermore, the first frame connectors 153 - 1 to 153 - 4 may not be disposed to be rotationally symmetrical based on the center of the upper elastic member 150 .

[0300] For example, the first axis 601 may be an axis extending through the center of the upper elastic member 150 in a direction perpendicular to the optical axis OA and parallel to the direction from the first side portion 141-1 toward the second side portion 141-2 of the housing 140. For example, the center 201 of the upper elastic member 150 may be the spatial center of the upper elastic member 150 when viewed from above. For example, the center 201 may be the center of the arrangement or arrangement structure of the first frame connectors 153-1 to 153-4 when the upper elastic member 150 is viewed from above.

[0301] In another embodiment, the center 201 may be the center of the housing 140, and may be a spatial center relative to four sides or sides of the housing 140. For example, the center 201 may be a point where the first line intersects the second line.

[0302] For example, the first line may be a line extending between centers of two sides 141-1 and 141-2 of the cover 140 facing each other, and the second line may be a line extending between centers of two other sides 141-3 and 141-4 of the cover 140 facing each other.

[0303] In another embodiment, the first line may be a line extending between two corners 142-1 and 142-2 of the outer cover 140 facing each other (or the protrusions 143 of the two corners 142-1 and 142-2), and the second line may be a line extending between two other corners 142-3 and 142-4 facing each other (or the protrusions 143 of the two other corners 142-3 and 142-4).

[0304] For example, the first axis 601 may be an axis parallel to a direction from a first first coupling frame 151-1 of the first coupling frames toward a second first coupling frame 151-2 of the first coupling frames. Figure 5 The axis parallel to the X-axis.

[0305] For example, although the first coupling frames 151-1 and 151-2 may be bilaterally symmetrical based on the first axis 601, the present disclosure is not limited thereto. In another embodiment, the first coupling frame may not be bilaterally symmetrical based on the first axis.

[0306] For example, although the second coupling frames 152 - 1 to 152 - 4 may be bilaterally symmetrical based on the first axis 601 , the present disclosure is not limited thereto. In another embodiment, the second coupling frames may not be bilaterally symmetrical based on the first axis 601 .

[0307] At least a portion of the upper elastic member 150 may be symmetrical based on the second axis 602. In another embodiment, the position sensor and / or the sensing magnet may be disposed in the direction of the second axis 601. Furthermore, at least a portion of the lower elastic member may be symmetrical based on the second axis 602.

[0308] For example, the upper elastic member 150 may be symmetrical, line-symmetrical, or bilaterally symmetrical based on the second axis 602 .

[0309] The first frame connectors 153 - 1 to 153 - 4 may be symmetrical, line-symmetrical, or bilaterally symmetrical based on the second axis 602 .

[0310] For example, the second axis 601 may be an axis extending through the center 201 of the upper elastic member 150 in a direction perpendicular to the optical axis OA and parallel to a direction from the third side 141 - 3 toward the fourth side 141 - 4 of the housing 140 .

[0311] Furthermore, the second axis 602 may be an axis extending through the center 201 of the upper elastic member 150 in a direction perpendicular to the optical axis OA and the first axis 601. For example, the second axis 602 may be Figure 5 The axis parallel to the Y axis.

[0312] In another embodiment, the position and shape of the first frame connector may be different from Figure 5 Accordingly, the first axis may be an axis extending through the center 201 of the upper elastic member 150 in a direction perpendicular to the optical axis OA and parallel to a direction from the first corner 142-1 toward the second corner 142-2 of the housing 140, and the second axis may be an axis perpendicular to the first axis.

[0313] For example, although the first axis 601 may be parallel to Figure 2 and the second axis 602 may be parallel to the line CD in Figure 2 AB in FIG. 1 , but the present disclosure is not limited thereto.

[0314] For example, although the first coupling frames 151-1 and 151-2 may be symmetrical based on the second axis 601, the present disclosure is not limited thereto. In another embodiment, the first coupling frame may not be bilaterally symmetrical based on the second axis.

[0315] For example, although the second coupling frames 152 - 1 to 152 - 4 may be bilaterally symmetrical based on the second axis 602 , the present disclosure is not limited thereto. In another embodiment, the second coupling frames may not be bilaterally symmetrical based on the second axis 602 .

[0316] The upper elastic member 150 may be symmetrical, line-symmetrical, or bilaterally symmetrical based on the second axis 602 .

[0317] Although according to Figure 5 The upper elastic member 150 of the embodiment shown in FIG. 6 may be bilaterally symmetrical with respect to the first axis 601 and the second axis 602 , but the present disclosure is not limited thereto.

[0318] In another embodiment, the first frame connector of the upper elastic member may be symmetrical, line-symmetrical, or bilaterally symmetrical with respect to at least one of the first axis 601 and the second axis 602 .

[0319] For example, the first frame connector of the upper elastic member may be symmetrical, linearly symmetrical, or bilaterally symmetrical relative to one of the first axis 601 and the second axis 602 , but may not be symmetrical, linearly symmetrical, or bilaterally symmetrical based on the other of the first axis 601 and the second axis 602 .

[0320] In another embodiment, the first coupling frame of the upper elastic member may be symmetrical, line-symmetrical, or bilaterally symmetrical with respect to at least one of the first axis 601 and the second axis 602 .

[0321] For example, the first coupling frame may be symmetrical, line-symmetrical, or bilaterally symmetrical with respect to one of the first axis 601 and the second axis 602 , but may not be symmetrical, line-symmetrical, or bilaterally symmetrical with respect to the other of the first axis 601 and the second axis 602 .

[0322] In yet another embodiment, the second coupling frame of the upper elastic member may be symmetrical, line-symmetrical, or bilaterally symmetrical with respect to at least one of the first axis 601 and the second axis 602 .

[0323] For example, the second coupling frame may be symmetrical, line-symmetrical, or bilaterally symmetrical with respect to one of the first axis 601 and the second axis 602 , but may not be symmetrical, line-symmetrical, or bilaterally symmetrical with respect to the other of the first axis 601 and the second axis 602 .

[0324] In yet another embodiment, the first connection frame of the upper elastic member may be symmetrical, line-symmetrical, or bilaterally symmetrical with respect to at least one of the first axis 601 and the second axis 602 .

[0325] For example, the first connection frame may be symmetrical, line-symmetrical, or bilaterally symmetrical with respect to one of the first axis 601 and the second axis 602 , but may not be symmetrical, line-symmetrical, or bilaterally symmetrical with respect to the other of the first axis 601 and the second axis 602 .

[0326] In yet another embodiment, the second connection frame of the upper elastic member may be symmetrical, line-symmetrical, or bilaterally symmetrical with respect to at least one of the first axis 601 and the second axis 602 .

[0327] For example, the second connection frame may be symmetrical, line-symmetrical, or bilaterally symmetrical with respect to one of the first axis 601 and the second axis 602 , but may not be symmetrical, line-symmetrical, or bilaterally symmetrical with respect to the other of the first axis 601 and the second axis 602 .

[0328] exist Figure 5In this case, the length L1 of the upper elastic member 150 in the direction parallel to the first axis 601 may be less than the length L2 of the upper elastic member 150 in the direction parallel to the second axis 602 (L1 < L2). In another embodiment, the length L1 of the upper elastic member 150 in the direction parallel to the first axis 601 may be equal to or greater than the length L2 of the upper elastic member 150 in the direction parallel to the second axis 602. For example, the length L1 may be the length of each of the second coupling frames 152-1 and 152-2, and the length L2 may be the length of each of the second coupling frames 152-3 and 152-4.

[0329] Since the circuit board 190 is disposed on the third side portion 141-3 of the outer housing 140 and the first magnet unit 130-1 and the second magnet unit 130-2 are respectively disposed on the first side portion 141-1 and the second side portion 141-2 of the outer housing 140, the length L2 may be greater than the length L1 (L2 > L1). The reason is to prevent the lengths of the first magnet unit 130-1 and the second magnet unit 130-2 from being restricted.

[0330] Although the lower elastic member 160 may include a plurality of lower elastic units, the present disclosure is not limited thereto. In another embodiment, the lower elastic member 160 may be implemented as a single undivided elastic unit.

[0331] For example, the lower elastic member 160 may include a first lower elastic unit 160a and a second lower elastic unit 160b.

[0332] The first lower elastic unit 160a and the second lower elastic unit 160b may be coupled to the bobbin 110. Alternatively, the first lower elastic unit 160a and the second lower elastic unit 160b may be coupled to the bobbin 110 and the outer housing 140.

[0333] The first lower elastic unit 160a and the second lower elastic unit 160b may be disposed between the bobbin 110 and the base 210.

[0334] At least one of the first lower elastic unit 160a and the second lower elastic unit 160b may include: second internal frames 161-1, 161-2 that are coupled to the lower portion, lower surface, or lower end of the bobbin 110; second external frames 162-1, 162-2 that are coupled to the lower portion, lower surface, or lower end of the outer housing 140; and second frame connectors 163-1, 163-2 that connect the second internal frames 161-1, 161-2 to the second external frames 162-1, 162-2.

[0335] A hole 161 a for coupling the second coupling portion 117 of the bobbin 110 using solder or a conductive adhesive member may be formed in the second inner frame 161 , 161 - 2 of at least one of the first and second lower elastic units 160 a and 160 b .

[0336] A hole 162 a for coupling the second coupler 147 of the housing 140 may be formed in the second outer frame 162 - 1 , 162 - 2 of at least one of the first and second lower elastic units 160 a and 160 b .

[0337] For example, one end of the coil 120 may be connected to one end of the second inner frame 161-1 of the first lower elastic unit 160a, and the other end of the coil may be connected to one end of the second inner frame 161-2 of the second lower elastic unit 160b using solder or a conductive member.

[0338] For example, the second inner frame 161 - 1 of the first lower elastic unit 160 a may be provided with a coupling portion 65 a coupling one end of the coil 120 , and the second inner frame 161 - 2 of the second lower elastic unit 160 b may be provided with a coupling portion 65 b coupling the other end of the coil 120 .

[0339] For example, each of the coupling parts 65 a and 65 b of the first and second lower elastic units 160 a and 160 b may have a fitting groove for guiding the coil 120 .

[0340] The second outer frame 162 - 1 of the first lower elastic unit 160 a may be provided with a first coupling portion 62 a to which the first terminal 91 of the circuit board 190 is coupled.

[0341] For example, the first coupling portion 62 a may be located at one end of the second outer frame 162 - 1 of the first lower elastic unit 160 a provided on the third side portion 141 - 3 of the housing 140 .

[0342] For example, the second outer frame 162-1 of the first lower elastic unit 160a may include a first extension 61a extending from the first corner 142-1 of the outer cover 140 toward the third side 141-3, and the first coupling portion 62a may be provided at one end of the first extension 61a.

[0343] For example, the first coupling portion 62a may be located at a lower surface of the third side portion 141-3 of the outer cover 140 or below a lower portion of the third side portion 141-3 of the outer cover 140. For example, the first coupling portion 62a may protrude from an outer surface of the second outer frame 162-1 of the first lower elastic unit 160a located at the third side portion 141-3 toward the circuit board 190, thereby being easily coupled to the first terminal 91 of the circuit board 190.

[0344] The second outer frame 162 - 2 of the second lower elastic unit 160 b may be provided with a second coupling portion 62 b to which the second terminal 92 of the circuit board 190 is coupled.

[0345] For example, the second coupling portion 62 b may be provided on one end of the second outer frame 162 - 2 of the second lower elastic unit 160 b provided on the third side portion 141 - 3 of the housing 140 .

[0346] For example, the second outer frame 162-2 of the second lower elastic unit 160b may include a second extension 61b extending from the fourth corner 142-4 of the outer cover 140 toward the third side 141-3, and the second coupling portion 62b may be provided at one end of the second extension 61b.

[0347] For example, the second coupling portion 62b of the second lower elastic unit 160b may be spaced apart from the first coupling portion 62a of the first lower elastic unit 160a and may be disposed on one end of the second outer frame 162-2 of the second lower elastic unit 160a adjacent to the third side portion 141-3 of the outer cover 140.

[0348] For example, the second coupling portion 62b may be located at a lower surface of the third side portion 141-3 of the outer cover 140 or below a lower portion of the third side portion 141-3 of the outer cover 140. For example, the second coupling portion 62b may protrude from an outer surface of the second outer frame 162-2 of the second lower elastic unit 160b located at the third side portion 141-3 toward the circuit board 190, thereby being easily coupled to the second connection terminal 92 of the circuit board 190.

[0349] The coil 120 may be conductively connected to the first and second terminals 91 and 92 of the circuit board 190 via the first and second lower elastic units 160 a and 160 b .

[0350] The driving signal may be supplied to the coil 120 via the first and second terminals 91 and 92 of the circuit board 190 and the first and second lower elastic units 160 a and 160 b .

[0351] The second frame connectors 163-1 and 163-2 of the lower elastic member 160 may be bent or curved (or may be formed into a curve) at least once to define a predetermined pattern. The bobbin 110 may be flexibly (or elastically) supported by position changes and fine deformations of the first and second frame connectors.

[0352] In order to absorb and dampen the oscillation of the bobbin 110 , the lens moving device 100 may further include a damper (not shown) disposed between the upper elastic member 150 and the outer cover 140 .

[0353] A damper (not shown) may be provided in a space between the first frame connectors 153 - 1 to 153 - 4 of the upper elastic member 150 and the bobbin 110 and / or the outer cover 140 .

[0354] For example, the dampers 53A to 53D may be provided between the first frame connectors 153 - 1 to 153 - 4 and the housing 140 .

[0355] For example, the dampers 53A to 53D may be provided between the first frame connectors 153 - 1 to 153 - 4 and the protrusions 144 - 1 to 144 - 4 of the outer cover 140 .

[0356] For example, at least some portions of the dampers 53A to 53D may be disposed in the escape grooves 25 in the housing 140 .

[0357] For example, in another embodiment, a damper (not shown) may also be provided between the inner surface of the outer cover 140 and the outer surface of the bobbin 110 .

[0358] Next, the base 210 will be described.

[0359] refer to Figure 7 The base 210 may have holes 29 corresponding to holes in the bobbin 110 and / or holes in the outer cover 140, and may have a shape corresponding to or consistent with the shape of the cover member 300, such as a square shape.

[0360] The base 210 may include a step 211 at a lower end of a side surface thereof, to which an adhesive is applied when the cover member 300 is fastened to the base 210 via bonding. Here, the step 211 may guide the cover member 300 coupled to the upper side of the base, and may face the lower end of the side plate 302 of the cover member 300. An adhesive member and / or a sealing member may be provided or applied between the lower end of the side plate of the base 210 and the step 211 of the base 210.

[0361] The base 210 may be disposed below the bobbin 110 and the housing 140 .

[0362] For example, the base 210 may be disposed below the lower elastic member 160 .

[0363] The protrusion 216 corresponding to the guide groove 148 in the outer cover 140 may be provided at the corner of the upper surface of the base 210. Although the protrusion 216 may have the form of a polygonal column vertically protruding from the upper surface of the base 210, the present disclosure is not limited thereto. The protrusion 216 may be alternatively referred to as a column.

[0364] The protrusion 216 may be fitted into the guide groove 148 in the housing 140 , and may be fastened or coupled to the guide groove 148 using an adhesive member (not shown) such as epoxy or silicone.

[0365] In order to prevent the lower surface or lower end of the bobbin 210 from directly colliding with the upper surface of the base 210 in the event of an external impact, the base 210 may include a stopper (not shown) protruding from the upper surface of the base 210, and the stopper of the base may be configured to correspond to the protrusion of the base, but is not limited thereto.

[0366] In order to avoid spatial interference between the bobbin 110 and the lower elastic member 160 , the stopper of the base 210 may be positioned higher than the second frame connector 163 coupled to the lower elastic units 160 a and 160 b of the base 210 .

[0367] The base 210 may include a seating groove 210a formed in a side surface corresponding to a side portion (e.g., 141-3) of the housing 140 where the circuit board 190 is disposed, thereby allowing the lower end of the circuit board 190 to be seated in the seating groove 210a. The seating groove 210a in the base 210 may be configured to be recessed from an outer surface of a side portion of the base 210 corresponding to a side portion (e.g., 141-3) of the housing 140.

[0368] For example, the terminals B1 to B6 of the circuit board 190 may be disposed on a lower end of the second surface 19 b of the circuit board 190 , and may be located in the seating groove 210 a in the base 210 .

[0369] The base 210 may have grooves 22a and 22b configured to prevent spatial interference with the coupling parts 62a and 62b of the first lower elastic unit 160a and the second lower elastic unit 160b provided on the base 210 and to facilitate soldering. The grooves 22a and 22b in the base 210 may have a form of being recessed from the upper surface of the base 210 and may be connected to the seating groove 210a. However, the present disclosure is not limited thereto, and the grooves 22a and 22b may not be connected to the seating groove 210a.

[0370] For example, the seating recess 210a in the base 210 may be provided with a protrusion 36 for supporting the circuit board 190. In another embodiment, the protrusion may be omitted.

[0371] The protrusion 36 of the base 210 may be configured to protrude from the bottom of the seating groove 210 a to support a portion of the circuit board 190 , such as a portion of a lower end or lower surface of the circuit board 190 , but is not limited thereto.

[0372] Next, the cover member 300 will be described.

[0373] The cover member 300 accommodates the other components 110 , 120 , 130 , 140 , 150 , 160 a , 160 b , 170 , 180 , 190 , and 195 in a space defined between the cover member 300 and the base 210 .

[0374] The cover member 300 may be configured to have a box shape, which is open at the bottom thereof and includes an upper plate 301 and a side plate 302. The lower end of the side plate 302 of the cover member 300 may be coupled to the upper portion of the base 1210. The upper plate 301 of the cover member 300 may have a polygonal shape, such as a square shape, an octagonal shape, etc., and may have a hole that exposes a lens (not shown) to external light.

[0375] The cover member 300 may be made of a non-magnetic material such as stainless steel or plastic so as to prevent the cover member 300 from being attracted to the magnet 130 , and may be made of a magnetic material so as to function as a yoke.

[0376] refer to Fig. 9 The lens moving device 100 may include a plurality of dampers 53A to 53D. Each of the plurality of dampers 53A to 53D may be disposed at a corresponding one of the first frame connectors 153-1 to 153-4 of the upper elastic member 150 and a corresponding one of the protrusions of the outer cover 140.

[0377] For example, the dampers 53A to 53D may be provided at some portions of the first frame connectors 153 - 1 to 153 - 4 and at some portions of the corners 142 - 1 to 142 - 4 of the housing 140 .

[0378] For example, the dampers 53A to 53D may be disposed closer to the first outer frame than to the first inner frames 151-1, 151-2, 151-1a, and 151-2a. In another embodiment, the dampers may be disposed closer to the first inner frame than to the first outer frame. In yet another embodiment, the dampers may be disposed at positions spaced apart from the first inner frames 151-1, 151-2, 151-1a, and 151-2a and the first outer frame by the same distance.

[0379] For example, each of the dampers 53A to 53D may be spaced apart from at least one of the first inner frames 151 - 1 , 151 - 2 , 151 - 1 a , and 151 - 2 a and the first outer frame.

[0380] For example, dampers 53A to 53D may be disposed closer to a second connection point than to a first connection point. For example, the first connection point may be a point where an inner frame meets a connector (e.g., frame connectors 153-1 to 153-4), and the second connection point may be a point where an outer frame (e.g., coupling frames 152-1 to 152-4) meets a connector (e.g., frame connectors 153-1 to 153-4).

[0381] In another embodiment, the dampers 53A to 53D may be disposed closer to the first connection point than to the second connection point. In yet another embodiment, the dampers may be disposed at locations spaced apart from the first connection point and the second connection point by the same distance.

[0382] For example, the dampers 53A to 53D may be arranged to be symmetrical, line-symmetrical, or bilaterally symmetrical based on the first axis 601 .

[0383] For example, the protrusions 144 - 1 to 144 - 4 of the housing 140 may be disposed to be symmetrical, line-symmetrical, or bilaterally symmetrical based on the first axis 601 .

[0384] For example, the dampers 53A to 53D may not be arranged to be rotationally symmetrical based on the center 201 of the upper elastic member 150. For example, the dampers 53A to 53D may not be arranged to be rotationally symmetrical based on the center 201 of the upper elastic member 150 at 90 degrees.

[0385] For example, the protrusions 144-1 to 144-4 of the outer cover 140 may not be arranged to be rotationally symmetrical based on the center 201 of the upper elastic member 150. For example, the protrusions 144-1 to 144-4 of the outer cover 140 may not be arranged to be rotationally symmetrical based on the center 201 of the upper elastic member 150 at 90 degrees.

[0386] For example, the dampers 53A to 53D may be arranged to be symmetrical, line-symmetrical, or bilaterally symmetrical based on the second axis 602 .

[0387] For example, the protrusions 144 - 1 to 144 - 4 of the housing 140 may be disposed symmetrically, line-symmetrically, or bilaterally symmetrically based on the second axis 602 .

[0388] Although each of the dampers 53A to 53D is Fig. 9 2 is illustrated as having a circular shape, but the damper is not limited to this shape and may be implemented to have any of various shapes.

[0389] The first axis 601 and the second axis 602 may define a plane perpendicular to the optical axis OA. Here, the plane may be divided into first to fourth quadrants 101 to 104 by the first axis 601 and the second axis 602. Fig. 9 The sequence of quadrants shown in is merely an example, and the quadrants may be defined in another sequence.

[0390] The dampers 53A to 53D may be disposed in at least one of the first to fourth quadrants 101 to 104. For example, at least one damper may be disposed in each of the first to fourth quadrants 101 to 104.

[0391] For example, the dampers 53B and 53c disposed in the first quadrant 101 and the fourth quadrant 104 may be disposed at positions corresponding to those of the dampers 54A and 54D disposed in the second quadrant 102 and the third quadrant 103 in a direction parallel to the first axis 601 .

[0392] For example, the dampers 53B and 53A disposed in the first quadrant 101 and the second quadrant 102 may be disposed at positions corresponding to those of the dampers 54D and 54C disposed in the third quadrant 103 and the fourth quadrant 104 in a direction parallel to the second axis 602 .

[0393] A plane defined by the first axis 601 and the second axis 602 may include a first side S1 to a fourth side S4 .

[0394] For example, the first side S1 may be a side corresponding to the first side portion 141-1 of the housing 140, and the second side S2 may be a side corresponding to the second side portion 141-2 of the housing 140. Furthermore, the third side S3 may be a side corresponding to the third side portion 141-3 of the housing 140, and the fourth side S4 may be a side corresponding to the fourth side portion 141-4 of the housing 140. The first side S1 and the second side S2 may face each other in a direction parallel to the first axis 601, and the third side S3 and the fourth side S4 may face each other in a direction parallel to the second axis 602.

[0395] Each of the dampers 53A to 53D may be disposed close to one of the two sides included in each of the quadrants 101 to 104. For example, the dampers 53A to 53D may be disposed closer to the third side S3 and the fourth side S4 than to the first side S1 and the second side S3. In another embodiment, the dampers may be disposed closer to the first side S1 and the second side S2 than to the third side S3 and the fourth side S4.

[0396] In another embodiment, each of the dampers 53A to 53D may be disposed at a position spaced apart from both sides included in each of the quadrants 101 to 104 by the same distance.

[0397] Each of the protrusions 144-1 to 144-4 of the outer cover 140 may be disposed adjacent to one of the two sides of a corresponding one of the quadrants 101 to 104. For example, the protrusions 144-1 to 144-4 may be disposed closer to the third side S3 and the fourth side S4 than to the first side S1 and the second side S2. In another embodiment, the protrusions may be disposed closer to the first side S1 and the second side S2 than to the third side S3 and the fourth side S4.

[0398] In another embodiment, each of the protrusions 144 - 1 to 144 - 4 may be disposed at a position spaced apart from both sides of a corresponding one of the quadrants 101 to 104 by the same distance.

[0399] For example, in the second side S2 and the fourth side S4 included in the first quadrant, the damper 53B may be disposed closer to the fourth side S4 than to the second side S2, and in the first side S1 and the fourth side S4 included in the second quadrant, the damper 53A may be disposed closer to the fourth side S4 than to the first side S1.

[0400] Furthermore, in the first side S1 and the third side S3 included in the third quadrant, the damper 53D may be disposed closer to the third side S3 than to the first side S1, and in the second side S2 and the third side S3 included in the fourth quadrant, the damper 53C may be disposed closer to the third side S3 than to the second side S2.

[0401] refer to Figure 5 and Fig. 9 , a length L3 of the rectangular hole 29 in the base 210 in a direction parallel to the first axis 601 may be greater than a length L4 of the hole 29 in the base 210 in a direction parallel to the second axis 601 (L3>L4).

[0402] Furthermore, the length L3 may be smaller than the length L1 , and the length L4 may be smaller than the length L2 .

[0403] exist Fig. 9 In the embodiment, the hole 29 in the base 210 may be located inside the second coupling frames 152 - 1 to 152 - 4 of the upper elastic member 150 or in an inner region therein.

[0404] Fig.10a The frequency response characteristics in the case where the elastic member and the damper are rotationally symmetric are shown. Fig.10b Frequency response characteristics in the case where the elastic member and the damper according to the embodiment are provided are shown.

[0405] exist Fig.10a and Fig.10b In the embodiment, the frequency response characteristic may be a frequency response characteristic as a function of the drive signal applied to the drive coil and the output of the position sensor. For example, the drive coil may correspond to the coil 120 in the embodiment, and the output of the position sensor may correspond to the output of the position sensor 170 in the embodiment. Fig.10a and Fig.10b Each of the graphs in FIG. 1 may show a frequency response characteristic as a function of gain. Here, gain may relate to an input and an output. For example, the input may be a drive signal, and the output may be the output of a position sensor.

[0406] exist Fig.10a and Fig.10b In each of the figures, the elastic force of the elastic member in a direction parallel to the first axis 601 (eg, X-axis direction) and the elastic force of the elastic member in a direction parallel to the second axis 602 (eg, Y-axis direction) may be the same or similar to each other.

[0407] exist Fig.10a and Fig.10b , Fr1 represents a first resonance frequency, Fr2 represents a second resonance frequency, and Fr3 represents a third resonance frequency.

[0408] exist Fig.10a and Fig.10b In the embodiment, the first resonance frequency Fr1 may relate to a movement or displacement mode of the lens moving device in the direction of the optical axis OA, and the second resonance frequency Fr2 and the third resonance frequency Fr3 may relate to a tilt or displacement mode of the lens moving device in the X-axis direction and / or the Y-axis direction.

[0409] exist Fig.10a It will be appreciated that the second resonant frequency and the third resonant frequency are located near each other. For example, Fig.10aThe difference between the second resonant frequency and the third resonant frequency in the range near the second resonant frequency and the third resonant frequency may be lower than 50 Hz. Therefore, since the first peak of the gain in the second resonant frequency and the second peak of the gain in the third resonant frequency are added to each other in the range near the second resonant frequency and the third resonant frequency, the lens moving device may have a high risk of oscillation.

[0410] For example, although in Fig.10a The first peak value may be higher than the second peak value, but the present disclosure is not limited thereto. In another embodiment, an opposite relationship may be possible.

[0411] exist Fig.10a , a peak value of the gain in the second resonance frequency and a peak value of the gain in the third resonance frequency may be 0 dB or higher.

[0412] At the same time, Fig.10b In the embodiment, the difference between the second resonant frequency and the third resonant frequency may be 50 Hz or higher. Fig.10b Each of the second resonant frequency and the third resonant frequency may range from 180 Hz to 500 Hz.

[0413] Fig.10b The first peak value of the gain in the second resonance frequency and the second peak value of the gain in the third resonance frequency may be less than Fig.10a The first peak value of the gain in the second resonance frequency and the second peak value of the gain in the third resonance frequency. Fig.10a In comparison, proportional integral derivative (PID) control can be easily performed with respect to the position sensor 170 to control Fig.10b The gain in .

[0414] For example, in Fig.10b A first peak value of the gain in the second resonance frequency and a second peak value of the gain in the third resonance frequency may be lower than 0 dB.

[0415] For example, although in Fig.10b The second peak value may be higher than the first peak value, but the present disclosure is not limited thereto. In another embodiment, the opposite relationship may be possible.

[0416] Since the embodiment is configured such that the upper elastic member 150 and the dampers 15A to 53D are not rotationally symmetrical but linearly symmetrical (or bilaterally symmetrical) with respect to the first axis 601 or the second axis 602, the first elastic force and the second elastic force can be asymmetrically applied to the AF operating unit (e.g., the bobbin 110). With this asymmetrical elastic force, the interval (or difference) between the second resonance frequency and the third resonance frequency of the frequency response characteristic of the AF operating unit can be increased, and thus the oscillation of the lens moving device during the AF operation can be prevented or suppressed.

[0417] Here, the first elastic force may be an elastic force applied to the upper elastic member 150 of the AF operating unit (e.g., the bobbin 110) in a direction parallel to the first axis 601 (e.g., the X-axis direction), and the second elastic force may be an elastic force applied to the upper elastic member 150 of the AF operating unit (e.g., the bobbin 110) in a direction parallel to the second axis 602 (e.g., the Y-axis direction).

[0418] Fig.11 The first to third resonance frequencies f1, f2, and f3 according to the displacement of the bobbin in the optical axis direction or the position of the bobbin caused by the AF operation are shown.

[0419] refer to Fig.11 , the first resonance frequency according to the position of the bobbin has an almost constant value. The second resonance frequency and the third resonance frequency may cross each other at a specific position, and then the interval between the frequencies may increase. The peak value of the gain in the area where the second resonance frequency and the third resonance frequency cross each other may increase, and there may be a high risk of oscillation due to insufficient gain margin.

[0420] exist Fig.10a In the case shown in Fig.11 The spacing (or difference) between the second and third resonance frequencies of the position of the bobbin shown in is small, so there is a high risk of oscillation during AF operation. Fig.10b In the case shown in , since the interval (or difference) between the second resonance frequency and the third resonance frequency according to the position of the bobbin is large, oscillation during the AF operation can be prevented and suppressed.

[0421] Fig.12 An example of the arrangement of the sensing magnet 180 and the position sensor 170 is shown. Fig.13 Shown in Fig.12 The frequency response characteristics of the gain in the case shown in Fig.12 The frequency response characteristic of the gain in the case shown in can be Fig.10b ] The frequency response characteristics as a function of the drive signal applied to the drive coil and the output of the position sensor are described in .

[0422] refer to Fig.12 and Fig.13 , the sensing magnet 180 may be arranged to be aligned with or correspond to the second axis 602. The position sensor 170 may be arranged to be aligned with or correspond to the second axis 602. With this arrangement, the influence of the tilt of the AF operation unit on the output of the position sensor 170 can be reduced, and thus Fig.10bIn the frequency response characteristics shown in , the peak values ​​of the gain at the second resonance frequency and the third resonance frequency are reduced.

[0423] For example, the center of the sensing magnet 180 may be aligned with or correspond to the second axis 602. The center of the position sensor 170 may be aligned with or correspond to the second axis 602.

[0424] For example, when the sensing magnet is viewed from the front, the center of the sensing magnet 180 may be the spatial center of the sensing magnet 180. For example, when the position sensor 170 is viewed from the front, the center of the position sensor 170 may be the spatial center of the position sensor 170.

[0425] As in Fig.13 As shown in FIG. 7 , since the peak values ​​of the gain in the second resonance frequency and the third resonance frequency are reduced, the gain margin 70 is increased, thereby preventing or suppressing the oscillation of the lens moving device during the AF operation.

[0426] exist Fig.12 In the arrangement of the sensing magnet 180 and the position sensor 170 shown in , the case of tilting with respect to the first axis is referred to as “CASE 1 ”, and the case of tilting with respect to the second axis is referred to as “CASE 2 ”.

[0427] Here, tilting with respect to the first axis means that the AF operation unit is tilted with respect to the first axis 601 , and tilting with respect to the second axis means that the AF operation unit is tilted with respect to the second axis 602 .

[0428] In case 1, the position change of the sensing magnet 180 in the optical axis direction due to the tilt relative to the first axis has an influence on the output value of the position sensor 170. Meanwhile, in case 2, there is almost no change in the distance between the sensing magnet 180 and the position sensor 170, and the tilt of the AF operating unit has almost no influence on the output value of the position sensor 170. Accordingly, due to the tilt of the AF operating unit, there is an effect of reducing the peak value of the gain in the frequency response characteristics, thereby preventing or suppressing the oscillation of the lens moving device during the AF operation.

[0429] In other words, although when the AF operation unit is tilted relative to the first axis, due to Fig.12 The arrangement of the sensing magnet 180 and the position sensor 170 shown in FIG. 1 affects the output value of the position sensor 170, but when the AF operation unit is tilted relative to the second axis, the output value of the position sensor is almost not affected. Fig.10b In the frequency response characteristics shown in , the peak values ​​of the gain in the second resonance frequency and the third resonance frequency can be reduced, thereby preventing or suppressing the oscillation of the lens moving device during the AF operation.

[0430] In another embodiment, the sensing magnet 180 may be arranged to be aligned with or correspond to the first axis 601, and the position sensor 170 may be arranged to be aligned with or correspond to the first axis 601. Although the output value of the position sensor is affected due to this arrangement when the AF operating unit is tilted relative to the second axis, there is almost no effect on the position sensor when the AF operating unit is tilted relative to the second axis. Accordingly, the effect on the output of the position sensor 170 caused by the tilt of the AF operating unit can be reduced to Fig.10b The peak values ​​of the gain in the second resonance frequency and the third resonance frequency are reduced in the frequency response characteristics shown in , and oscillation of the AF operation unit during the AF operation is prevented or suppressed.

[0431] Each of the connection frames 153 - 1 to 153 - 4 may include a plurality of bending portions (or curved portions), and the damper may be provided on at least one of the plurality of bending portions (or curved portions).

[0432] For example, the damper may be disposed on one of the plurality of bends of each connecting frame.

[0433] Fig.14 An arrangement of dampers 53A, 53B1 , 53C1 , and 53D according to another embodiment is shown.

[0434] refer to Fig.14 The dampers 53A, 53B1, 53C1, and 53D may be arranged to be symmetrical, line-symmetrical, or bilaterally symmetrical based on the first axis 601, but may be arranged not to be symmetrical, line-symmetrical, or bilaterally symmetrical based on the second axis 602.

[0435] For example, the first damper 53A and the second damper 53B1 may be arranged to be line-symmetrical or bilaterally symmetrical with the third damper 53C1 and the fourth damper 53D with respect to the first axis 601. Meanwhile, the first damper 53A and the fourth damper 53D may be arranged to be not line-symmetrical or bilaterally symmetrical with the second damper 53B1 and the third damper 53C1 with respect to the second axis 602.

[0436] Fig.15 An arrangement of dampers 53A, 53B, 53C1 and 53D1 according to yet another embodiment is shown.

[0437] refer to Fig.15 , the dampers 53A, 53B, 53C1 and 53D1 may be arranged not to be line-symmetrical or bilaterally symmetrical based on the first axis 601 , but may be arranged to be line-symmetrical or bilaterally symmetrical based on the second axis 602 .

[0438] For example, the first damper 53A and the second damper 53B may be arranged to be linearly symmetrical or bilaterally symmetrical with the third damper 53C1 and the fourth damper 53D1 relative to the first axis 601. Meanwhile, the first damper 53A and the fourth damper 53D1 may be arranged to be symmetrical or transversely symmetrical with the second damper 53B and the third damper 53C1 relative to the second axis 602.

[0439] The upper elastic member 150 may be configured to have a different spring constant K with respect to the first axis 601 . Alternatively, the upper elastic member 150 may be configured to have a different constant K with respect to the second axis 602 .

[0440] For example, the upper elastic member 150 may have different spring lengths and widths relative to the first axis 601. Alternatively, the upper elastic member 150 may have different spring lengths and widths relative to the second axis 602.

[0441] In another embodiment, the lower elastic member 160 can be configured to have a different spring constant K1 relative to the first axis 60. Alternatively, the lower elastic member 160 can be configured to have a different spring constant K relative to the second axis 602. For example, the lower elastic member can have a different spring length and width relative to the first axis 601. Alternatively, the lower elastic member can have a different spring length and width relative to the second axis 602.

[0442] Fig.16 The width, length, and thickness of the upper elastic member 150 according to an embodiment are shown.

[0443] refer to Fig.16 , a width of the first region S1 of the upper elastic member 150 may be different from a width of the second region S2 of the upper elastic member 150 .

[0444] The first region S1 may be a region of the upper elastic member 150 located at one side of the upper elastic member 150 relative to the first axis 601, and the second region S2 may be a region of the upper elastic member 150 located at the other side of the upper elastic member 150 relative to the first axis 601. For example, the first region S1 may be located opposite to the second region S2 relative to the first axis 601.

[0445] For example, the widths of the first frame connectors 153 - 1 and 153 - 2 of the first region S1 may be different from the widths of the first frame connectors 153 - 3 and 153 - 4 of the second region S2 .

[0446] The thickness t1 of the first region S1 of the upper elastic member 150 may be different from the thickness t2 of the second region S2 of the upper elastic member 150 .

[0447] For example, the thickness of the first frame connectors 153 - 1 and 153 - 2 of the first region S1 may be different from the thickness of the first frame connectors 153 - 3 and 153 - 4 of the second region S2 .

[0448] Furthermore, a length L1 of the first frame connectors 153 - 1 and 153 - 2 of the first region S1 of the upper elastic member 150 may be different from a length L2 of the first frame connectors 153 - 3 and 153 - 4 of the second region S2 of the upper elastic member 150 .

[0449] exist Fig.16 In the embodiment, at least one of the width, thickness, and length of the first area S1 and the second area S2 may be different from the corresponding one thereof, so that the first elastic force and the second elastic force are asymmetrically applied to the AF operating unit (e.g., the bobbin 110). With the asymmetrical elastic force, the interval (or difference) between the second resonance frequency and the third resonance frequency of the AF operating unit can be increased, and thus the oscillation of the lens moving device during the AF operation can be prevented or suppressed.

[0450] Fig.17 The width, length, and thickness of the upper elastic member 150 according to another embodiment are shown.

[0451] refer to Fig.17 , a width W3 of the third region S3 of the upper elastic member 150 may be different from a width W2 of the fourth region S4 of the upper elastic member 150 .

[0452] The third region S3 may be a region of the upper elastic member 150 located at one side of the upper elastic member 150 relative to the second axis 602, and the third region S4 may be a region of the upper elastic member 150 located at the other side of the upper elastic member 150 relative to the second axis 602. For example, the third region S3 may be located opposite to the fourth region S4 relative to the second axis 602.

[0453] For example, the widths of the first frame connectors 153 - 1 and 153 - 4 of the third region S3 may be different from the widths of the first frame connectors 153 - 2 and 153 - 3 of the fourth region S4 .

[0454] The thickness t3 of the third region S3 of the upper elastic member 150 may be different from the thickness t4 of the fourth region S4 of the upper elastic member 150 .

[0455] For example, the thickness of the first frame connectors 153 - 1 and 153 - 4 of the third region S3 may be different from the thickness of the first frame connectors 153 - 2 and 153 - 3 of the fourth region S4 .

[0456] Furthermore, a length L3 of the first frame connectors 153 - 1 and 153 - 4 of the third region S3 of the upper elastic member 150 may be different from a length L4 of the first frame connectors 153 - 2 and 153 - 3 of the fourth region S4 of the upper elastic member 150 .

[0457] exist Fig.17 In the embodiment, at least one of the width, thickness, and length of the third area S3 and the fourth area S4 may be different from the corresponding one thereof, so that the first elastic force and the second elastic force are asymmetrically applied to the AF operating unit (e.g., the bobbin 110). With the asymmetrical elastic force, the interval (or difference) between the second resonance frequency and the third resonance frequency of the AF operating unit can be increased, and thus the oscillation of the lens moving device during the AF operation can be prevented or suppressed.

[0458] In another embodiment, with respect to the first axis 601 and the second axis 602 , at least one of the width, length, and thickness of two regions of the upper elastic member 150 may be different from its corresponding one.

[0459] In another embodiment, the upper elastic member and the lower elastic member may be used inversely. For example, the lower elastic member 160 may be used instead of Figure 5 The upper elastic member 150 shown in FIG. 1 may be replaced with the lower elastic member 160 .

[0460] In yet another embodiment, similar to the upper elastic member, the lower elastic member may also be configured to be linearly or bilaterally symmetrical with respect to at least one of the first axis and the second axis, and the description of the dampers 53A to 53D may also be applied to the lower elastic member.

[0461] Figure 5 , Fig. 9 and Figures 12 to 17 The description can also be applied to the embodiment in which the upper elastic member 150 is applied to the lower elastic member, whether or not modified.

[0462] Fig.18 is a perspective view of a lens moving device according to another embodiment. Fig.19 It is along Fig.18 A cross-sectional view taken along line AA in FIG. Fig. 20 It is along Fig.18 A cross-sectional view taken along line BB in FIG. Fig.21 It is along Fig.18 Cross-sectional view taken along line CC in FIG. Fig. 22 yes Fig.18 Bottom view of the lens mobile device shown in . Fig.23 yes Fig.18 A perspective view of the lens mobile device shown in , with the cover removed. Fig.24 yes Fig.18 An exploded perspective view of the lens mobile device shown in . Fig.25 and Fig.26 yes Fig.18 An exploded perspective view of a portion of the lens moving device shown in . Fig. 27 yes Fig.18 An exploded perspective view of the base and sensor of the lens moving device shown in FIG.

[0463] The lens moving device 1010 may be a voice coil motor (VCM). The lens moving device 1010 may be a lens driving motor. The lens moving device 1010 may be a lens driving motor. In this embodiment, the lens moving device 1010 may include a closed loop auto focus (CLAF) actuator or a closed loop auto focus (CLAF) module. For example, the assembly of the lens moving device 1010, the lens, the image sensor, and the printed circuit board may be considered a camera module.

[0464] The lens mobile device 1010 may include a cover 1100. The cover 1100 may cover the outer cover 1310. The cover 1100 may be coupled to the base 1400. The cover 1100 may define an internal space in combination with the base 1400. The cover 1100 may accommodate the outer cover 1310 in the cover 1100. The cover 1100 may accommodate the bobbin 1210 in the cover 1100. The cover 1100 may define the appearance of the camera module. The cover 1100 may be configured to have a hexahedral shape opened at the lower surface of the cover 1100. The cover 1100 may be a non-magnetic body. The cover 1100 may be made of metal. The cover 1100 may be implemented as a metal plate. The cover 1100 may be connected to a grounding portion of a printed circuit board. Accordingly, the cover 1100 may be grounded. The cover 1100 may block electromagnetic interference (EMI). Here, the cover 1100 may be referred to as a “shield can” or an “EMI shield can”.

[0465] The cover 1100 may include an upper plate 1100. The cover 1100 may include a side plate 1120. The side plate 1120 may extend from the upper plate 1110. The cover 1100 may include an upper plate 1110 and a side plate 1120 extending downward from an outer periphery or edge of the upper plate 1110. The lower end of the side plate 1120 of the cover 1100 may be disposed on a step 1460 of the base 1400. The inner surface of the side plate 1120 of the cover 1100 may be fixed to the base 1400 using an adhesive.

[0466] The cover 1100 may include a plurality of side panels. The cover 1100 may include a plurality of side panels and a plurality of corners defined between the plurality of side panels. The cover 1100 may include four side panels and four corners defined between the four side panels. The cover 1100 may include a first side panel, a second side panel disposed opposite to the first side panel, and a third side panel and a fourth side panel disposed between the first side panel and the second side panel and opposite to each other. The cover 1100 may include a first corner to a fourth corner. The cover 1100 may include a first corner, a second corner disposed opposite to the first corner, and a third corner and a fourth corner disposed opposite to each other.

[0467] The lens moving device 1010 may include a movable unit 1200. The movable unit 1200 may be coupled to the lens. The movable unit 1200 may be connected to the stationary unit 1300 via an elastic member 1500. The movable unit 1200 may be moved by interaction with the stationary unit 1300. Here, the movable unit 1200 may move together with the lens. The movable unit 1200 may move during an AF operation. Here, the movable unit 1200 may be referred to as an "AF movable unit".

[0468] The movable unit 1200 may include a bobbin 1210. The bobbin 1210 may be disposed in the housing 1310. The bobbin 1210 may be movably coupled to the housing 1310. The bobbin 1210 may be movable relative to the housing 1310 in the optical axis direction.

[0469] refer to Fig.25 , the bobbin 1210 may have a hole 1211 in the bobbin 1210. The hole 1211 may be a through hole. The lens may be coupled to the hole 1211. A thread may be formed in the inner circumferential surface of the hole 1211. Alternatively, the inner circumferential surface of the hole 1211 in the bobbin 1210 may be formed to have a bent surface instead of being provided with a thread. The bobbin 1210 may include a first protrusion, which is coupled to the upper elastic member 1510. The first protrusion of the bobbin 1210 may be fitted into a corresponding hole in the upper elastic member 1510 and may be coupled to the hole. The bobbin 1210 may include a second protrusion, which is coupled to the lower elastic member 1520. The second protrusion of the bobbin 1210 may be fitted into a corresponding hole in the lower elastic member 1520 and may be coupled to the hole.

[0470] The bobbin 1210 may include a rib 1212. The rib 121 may protrude from a lateral side surface of the bobbin 1210. The rib 1212 may hold the first coil 1220. The rib 1212 may include an upper rib protruding from an upper portion of the bobbin 1210 and a lower rib protruding from a lower portion of the bobbin 1210. The first coil 1220 may be wound between the upper rib and the lower rib, and may be fastened between the upper rib and the lower rib. The description of the rib 1212 may be applied to Figure 3a The bobbin 110 shown in FIG. 1 , whether modified or not.

[0471] A groove 1213 may be formed in the bobbin 1210. The second magnet 1230 and the third magnet 1240 may be disposed in the corresponding grooves 1213. The second magnet 1230 and the third magnet 1240 may be respectively fitted into the groove 1213 in the bobbin 1210 from below and may be coupled in the groove 1213. The groove 1213 may include a first groove in which the second magnet 1230 is disposed and a second groove in which the third magnet 1240 is disposed.

[0472] The description of the groove 1213 in the bobbin 1210 may be applied to Figure 3a The bobbin 110 shown in FIG. 1 , whether modified or not. Figure 3a The description of bobbin 110 shown in FIG. 1 may be applied to bobbin 1210 , with or without modification.

[0473] The bobbin 1210 may include a lower stopper 1214. The lower stopper 1214 may protrude from the lower surface of the bobbin 1210. The lower surface of the lower stopper 1214 may define the lower end of the bobbin 1210. Accordingly, when the bobbin 1210 moves downward to the maximum, the lower surface of the lower stopper 1214 may come into contact with the base 1400. The lower stopper 1214 of the bobbin 1210 may overlap with the protrusion 1470 of the base 1400 in the optical axis direction. The description of the lower stopper 1214 of the bobbin 1210 and the protrusion 1470 of the base 1400 may be applied to Figure 1 The bobbin 110 and base 210 shown in FIG. 1 , whether modified or not.

[0474] The bobbin 1210 may include an upper stopper 1215. The upper stopper 1215 may protrude from an upper surface of the bobbin 1210. The upper surface of the upper stopper 1215 may define an upper end of the bobbin 1210. Accordingly, when the bobbin 1210 moves upward to the maximum, the upper surface of the upper stopper 1215 may come into contact with the upper plate 1110 of the cover 1100. The upper stopper 1215 of the bobbin 1210 may overlap with the upper plate 1110 of the cover 1100 in the optical axis direction.

[0475] The bobbin 1210 may be coupled to at least one of the elastic member 1500, the coil 1220, the second magnet 1230, and the third magnet 1240 using an adhesive. Here, the adhesive may be an epoxy resin hardened by at least one of heat, laser, and ultraviolet (UV) radiation.

[0476] The movable unit 1200 may include a coil 1220. The coil 1220 may be an "AF coil". The coil 1220 may be disposed on the bobbin 1210. The coil 1220 may be disposed in a state of contact with the bobbin 1210. The coil 1220 may be disposed between the bobbin 1210 and the outer cover 1310. The coil 1220 may be disposed on the outer periphery of the bobbin 1210. The coil 1220 may be wound around the bobbin 1210. The coil 1220 may face the first magnet 1320. The coil 1220 may electromagnetically interact with the first magnet 1320. When current flows in the coil 1220 and thus an electromagnetic field is generated around the coil 1220, the coil 1220 may move relative to the first magnet 1320 using the electromagnetic interaction between the coil 1220 and the first magnet 1320.

[0477] The movable unit 1200 may include a second magnet 1230. The second magnet 1230 may be a "sensing magnet". The second magnet 1230 may be disposed on the bobbin 1210. The second magnet 1230 may overlap with the sensor 1600 in the optical axis direction. The second magnet 1230 may be disposed adjacent to the sensor 1600. The second magnet 1230 may be oriented to face the sensor 1600. The second magnet 1230 may be disposed between the bobbin 1210 and the coil 1220 in a direction perpendicular to the optical axis direction. The second magnet 1230 may be assembled into the groove 1213 in the bobbin 1210 from the lateral side or from below. The second magnet 1230 may be a bipolar magnetized magnet or a quadrupole magnetized magnet. The second magnet 1230 may be disposed on a portion of the bobbin 1210 corresponding to the first corner of the outer cover 1310. The second magnet 1230 may be disposed on a corner of the bobbin 1210. By disposing the second magnet 1230 at the corner of the bobbin 1210, magnetic field interference between the first magnet 1320 disposed to face the side surface of the bobbin 1210 and the second magnet 1230 can be minimized. The second magnet 1230 can be configured to have a hexahedral form. The second magnet 1230 can be configured to be smaller than the first magnet 1320.

[0478] The movable unit 1200 may include a third magnet 1240. The third magnet 1240 may be a "compensation magnet". The third magnet 1240 may be arranged to establish a magnetic balance with the second magnet 1230. The third magnet 1240 may be arranged on the bobbin 1210. The third magnet 1240 may be arranged opposite to the second magnet 1230 with respect to the optical axis. The third magnet 1240 may be configured to have a size and shape corresponding to the size and shape of the second magnet 1230.

[0479] The lens moving device 1010 may include a stationary unit 1300. The stationary unit 1300 may movably support the movable unit 120. The stationary unit 1300 may move the movable unit 1200 by interacting with the movable unit 1200. The stationary unit 1300 may include an outer cover 1310 and a first magnet 1320. Here, the base and the cover 1100 may also be considered as the stationary unit 1300. The description of the stationary unit 1300 may be applied to the Figure 1 The base 210 and the cover 300 of the embodiment shown in , whether modified or not.

[0480] The stationary unit 1300 may include an outer cover 1310. The outer cover 1310 may be disposed outside the bobbin 1210. The outer cover 1310 may receive at least a portion of the bobbin 1210. The outer cover 1310 may be disposed inside the cover 1100. The outer cover 1310 may be disposed between the cover 1100 and the bobbin 1210. The outer cover 1310 may be made of a material different from that of the cover 1100. The outer cover 1310 may be made of an insulating material. The outer cover 1310 may be injection molded. The first magnet 1320 may be disposed on the outer cover 1310. The outer cover 1310 may be coupled to the first magnet 1320 using an adhesive. The upper elastic member 1510 may be coupled to the upper portion of the outer cover 1310. The lower elastic member 1520 may be coupled to the lower portion of the outer cover 1310. The outer cover 1310 may be coupled to the elastic member 1500 using heat fusion and / or an adhesive. The adhesive for coupling the outer cover 1310 to the first magnet 1320 and the elastic member 1500 may be an epoxy resin hardened by at least one of ultraviolet (UV), heat, and laser radiation.

[0481] The outer cover 1310 may include a first side and a second side disposed opposite to each other, a third side and a fourth side disposed opposite to each other, a first corner connecting the first side to the third side, a second corner connecting the first side to the fourth side, a third corner connecting the second side to the fourth side, and a fourth corner connecting the second side to the third side.

[0482] The housing 1310 may have a first hole 1311 therein. The first hole 1311 may be a through hole. The first hole 1311 may be formed through the center of the housing 1310 in a vertical direction. The bobbin 1210 may be disposed in the first hole 1311 in the housing 1310.

[0483] The housing 1310 may have a second hole 1312. The second hole 1312 may be a "magnet receiving hole". The first magnet 1320 may be disposed in the second hole 1312. The second hole 1312 may be formed through a side of the housing 1310 in a direction perpendicular to the optical axis. In a variation, the second hole 1312 may be a groove.

[0484] The outer cover 1310 may include a protrusion 1313. The protrusion 1313 may be coupled to the upper elastic member 1500. The protrusion 1313 may be fitted into a corresponding hole in the upper elastic member 1500 and may be coupled to the hole.

[0485] The outer cover 1310 may be coupled to at least one of the cover 1100, the base 1400, the elastic member 1500, and the first magnet 1320 using an adhesive. Here, the adhesive may be an epoxy resin hardened by at least one of heat, laser, and ultraviolet (UV) radiation.

[0486] The stationary unit 1300 may include a first magnet 1320. The first magnet 1320 may be a "driving magnet". The first magnet 1320 may be disposed on the outer cover 1310. The first magnet 1320 may be disposed between the coil 1220 and the side plate 1120 of the cover 1100. The first magnet 1320 may be disposed between the bobbin 1210 and the outer cover 1310. The first magnet 1320 may face the coil 1220. The first magnet 1320 may electromagnetically interact with the coil 1220. The first magnet 1320 may be used in an AF operation. The first magnet 1320 may be disposed on a side of the outer cover 1310. Here, the first magnet 1320 may be formed as a flat magnet. The first magnet 1320 may be made of a flat plate. The first magnet 1320 may be configured to have the form of a rectangular parallelepiped.

[0487] The first magnet 1320 may include a plurality of magnets. The first magnet 1320 may include four magnets. The first magnet 1320 may include a first first magnet among first to fourth first magnets 1321, 1322, 1333, and 1334. The first first magnet 1321 may be disposed on a first side of the outer cover 1310. The second first magnet 1322 may be disposed on a second side of the outer cover 1310. The third first magnet 1323 may be disposed on a third side of the outer cover 1310. The fourth first magnet 1324 may be disposed on a fourth side of the outer cover 1310. In this embodiment, the first first magnet 1321 may be disposed closer to the second corner of the outer cover 1310 than to the first corner of the outer cover 1310. Therefore, magnetic field interference between the first first magnet 1321 and the second magnet 1230 may be minimized. Similar to the first first magnet 1321 , each of the second to fourth first magnets 1322 , 1333 , and 1334 may be disposed near one corner of the housing 1310 so as to be spaced apart from the second magnet 1230 or the third magnet 1240 .

[0488] The description of the four magnets 1321, 1322, 1323, and 1324 of the first magnet 1320 may be applied to Figure 1 The embodiments shown in , whether modified or not.

[0489] The lens moving device 1010 may include a base 1400. The base 1400 may be disposed below the housing 1310. The base 1400 may be disposed below the bobbin 1210. At least a portion of the base 1400 may be spaced apart from the bobbin 1210. The base 1400 may be coupled to the side plate 1120 of the cover 1100.

[0490] The base 1400 may have a hole 1410 therein. The hole 1410 may be a through hole. The hole 1410 may be formed through the base 1400 in the optical axis direction. Light having passed through the lens and the hole 1410 may be incident on the image sensor 60.

[0491] The base 1400 may include a protrusion 1420. The protrusion 1420 may extend from the inner peripheral surface of the hole 1410 in the base 1400. The protrusion 1420 may protrude from the upper surface of the base 1400. The protrusion 1420 may be formed on the upper surface of the base 1400. The protrusion 1420 may be disposed on the inner side of the sensor 1600. The protrusion 1420 may be disposed between the hole 1410 and the sensor 1600. The protrusion 1420 may include a plurality of protrusions. The protrusion 1420 may include four protrusions.

[0492] The base 1400 may include a protrusion 1430. The protrusion 1430 may extend from a side surface of the base 1400. The protrusion 1430 may protrude from an upper surface of the base 1400. The protrusion 1430 may be formed on the upper surface of the base 1400. The protrusion 1430 may be disposed on the outer side of the sensor 1600. The protrusion 1430 may be formed around the outer periphery of the base 1400. The outer portion 1522 of the lower elastic member 1520 may be disposed on the upper surface of the protrusion 1430.

[0493] A groove 1440 may be formed in the base 1400. The groove 1440 may be formed in the upper surface of the protrusion 1430. The groove 1440 may be formed in a corner of the base 1400. The groove 1440 may be recessed from the outer circumference of the base 1400. An adhesive may be applied to the groove 1440, thereby bonding the lower elastic member 1520 to the base 1400. The description of the groove 1440 may be applied to Figure 1 The protrusion 216 of the base 210 is shown in FIG. 2 , whether modified or not.

[0494] The base 1400 may include a step 1460. The step 1460 may be formed on a lateral side surface of the base 1400. The step 1460 may be formed on an outer peripheral surface of the base 1400. The step 1460 may be formed by a lower portion of the lateral side surface of the base protruding from the lateral side surface. The lower end of the side plate 1120 of the cover 1100 may be disposed on the step 1460.

[0495] The base 1400 may include a protrusion 1470. The protrusion 1470 may be formed on the upper surface of the base 1400. The protrusion 1470 may be spaced apart from the protrusion 1420 and the protrusion 1430. The protrusion 1470 may be spaced apart from the lower stopper 1214 of the bobbin 1210 in the optical axis direction. Due to the movement of the bobbin 1210, the upper surface of the protrusion 1470 of the base may come into contact with the lower surface of the lower stopper 1214 of the bobbin 1210.

[0496] The lens moving device 1010 may include a terminal 1450. The terminal 1450 may be considered as a component independent of the base 1400. Alternatively, the terminal 1450 may be considered as a component of the base 1400. The terminal 1450 may be disposed on the base 1400. The terminal 1450 may be conductively connected to the sensor 1600. The terminal 1450 may be formed at the base 1400 by insert injection molding. The terminal 1450 may be formed integrally with the base 1400.

[0497] Terminal 1450 may include a plurality of terminals. Terminal 1450 may include four terminals. The four terminals may be respectively connected to four terminals of sensor 1600. The connection between terminal 1450 and the terminal of sensor 1600 may be achieved via solder or conductive epoxy.

[0498] Each terminal 1450 may include a first portion 1451 and a second portion 1452. The first portion 1451 may protrude downward from the base 1400. The second portion 1452 may extend from the first portion 1451. The lower end of the first portion 1451 may be connected to a terminal of the printed circuit board 1050 via solder or conductive epoxy. The second portion 1452 may be conductively connected to the sensor 1600. At least a portion of the second portion 1452 of the terminal 1450 may extend through the base 1400.

[0499] The lens moving device 1010 may include an elastic member 1500. The elastic member 1500 may connect the outer cover 1310 to the bobbin 1210. The elastic member 1500 may be coupled to the outer cover 1310 and the bobbin 1210. The elastic member 1500 may movably support the bobbin 1210. The elastic member 1500 may elastically support the bobbin 1210. At least a portion of the elastic member 1500 may be elastic. The elastic member 1500 may support the movement of the bobbin 1210 during AF operation. Here, the elastic member 1500 may be an "AF supporting member".

[0500] The elastic member 1500 may include an upper elastic member 1510. The upper elastic member 1510 may be coupled to an upper portion of the bobbin 1210 and an upper portion of the outer cover 1310. The upper elastic member 1510 may be coupled to an upper surface of the bobbin 1210. The upper elastic member 1510 may be coupled to an upper surface of the outer cover 1310. The upper elastic member 1510 may be implemented as a leaf spring.

[0501] The upper elastic member 1510 may include an inner portion 1511. The inner portion 1511 may be coupled to the bobbin 1210. The inner portion 1511 may be coupled to an upper surface of the bobbin 1210. The inner portion 1511 may include a protruding hole or a groove coupled to the bobbin 1210. The inner portion 1511 may be fixed to the bobbin 1210 using an adhesive.

[0502] The upper elastic member 1510 may include an outer portion 1512. The outer portion 1512 may be coupled to the outer cover 1310. The outer portion 1512 may be coupled to an upper surface of the outer cover 1310. The outer portion 1512 may have a hole or a groove therein coupled to the protrusion 1313 of the outer cover 1310. The outer portion 1512 may be fixed to the outer cover 1310 using an adhesive.

[0503] The upper elastic member 1510 may include a connector 1513. The connector 1513 may connect the outer portion 1512 to the inner portion 1511. The connector 1513 may be elastic. Here, the connector 1513 may be referred to as an "elastic portion." The connector 1513 may include a portion that is bent twice or more.

[0504] according to Figure 1 The dampers 53A to 53D of the embodiment shown in FIG. 5 can be applied to Fig.18 The embodiment shown in .

[0505] For example, Fig. 9 and Fig.12 as well as Figure 14 to Figure 17 The description of the damper and the upper elastic member shown in can be applied to Fig.18 the embodiments shown in , whether modified or not, and Fig.10a , Fig.10b , Fig.11 and Fig.13 The description in can also be applied to Fig.18 The embodiments shown in , whether modified or not.

[0506] The elastic member 1500 may include a lower elastic member 1520. The lower elastic member 1520 may connect the bobbin 1210 to the base 1400. A portion of the lower elastic member 1520 may be disposed on an upper surface of the protrusion 1430 of the base 1400. The lower elastic member 1520 may be coupled to a lower portion of the bobbin 1210 and a lower portion of the outer cover 1310. The lower elastic member 1520 may be coupled to a lower surface of the bobbin 1210. The lower elastic member 1520 may be coupled to a lower surface of the outer cover 1310. The lower elastic member 1520 may be implemented as a leaf spring. A portion of the lower elastic member 1520 may be fixed between the outer cover 1310 and the base 1400.

[0507] The lower elastic member 1520 may include a plurality of lower elastic units. The lower elastic member 1520 may include two lower elastic units. The lower elastic member 1520 may include a first lower elastic unit 1520-1 and a second lower elastic unit 1520-2. The first lower elastic unit 1520-1 and the second lower elastic unit 1520-2 may be spaced apart from each other. The first lower elastic unit 1520-1 and the second lower elastic unit 1520-2 may be conductively connected to the coil 1220. The first lower elastic unit 1520-1 and the second lower elastic unit 1520-2 may be used as a conductive line through which current is applied to the coil 1220.

[0508] The lower elastic member 1520 may include an inner portion 1521. The inner portion 1521 may be coupled to the bobbin 1210. The inner portion 1521 may be coupled to the lower surface of the bobbin 1210. The inner portion 1521 may have a protruding hole or groove therein coupled to the bobbin 1210. The inner portion 1521 may be fixed to the bobbin 1210 using an adhesive.

[0509] The lower elastic member 1520 may include an outer portion 1522. The outer portion 1522 may be coupled to the outer cover 1310. The outer portion 1522 may be coupled to the lower surface of the outer cover 1310. The outer portion 1522 may have a protruding hole or groove therein coupled to the outer cover 1310. The outer portion 1522 may be fixed to the outer cover 1310 using an adhesive.

[0510] The lower elastic member 1520 may include a connector 1523. The connector 1523 may connect the outer portion 1522 to the inner portion 1521. The connector 1523 may be elastic. Here, the connector 1523 may be referred to as an "elastic portion." The connector 1523 may include a portion that is bent twice or more.

[0511] The lower elastic member 1520 may include a terminal portion 1524. The terminal portion 1524 may extend from the outer portion 1522. The terminal portion 1524 may be formed integrally with the outer portion 1522, and may be bent at the outer portion 1522 and then extend downward. In a variation, the terminal portion 1524 may be formed separately from the lower elastic member 1520. The terminal portion 1524 may include two terminals. The terminal portion 1524 may be coupled to the printed circuit board 1050 via soldering. The terminal portion 1540 may be disposed on the lateral side surface of the base 1400. The terminal portion 1524 may be disposed in a groove in the base 1400. The terminal portion 1524 of the lower elastic member 1520 may be spaced apart from the terminal 1450. The terminal portion 1524 of the lower elastic member 1520 may be disposed between a plurality of terminals. Each of the two lower elastic units may include a terminal 1524.

[0512] The lens moving device 1010 may include a sensor 1600. The sensor 1600 may be disposed on the base 1400. The sensor 1600 may detect the second magnet 1230. The sensor 1600 may be disposed on the upper surface of the base 1400. The sensor 1600 may be spaced apart from the outer cover 1310. The sensor 1600 may be spaced apart from the bobbin 1210. The sensor 1600 may overlap with the second magnet 1230 in the optical axis direction. The sensor 1600 may detect the position of the second magnet 1230 for AF feedback control. The sensor 1600 may be a Hall IC, a Hall element, or a Hall sensor. The sensor 1600 may detect the magnetic force of the second magnet 1230.

[0513] The sensor 1600 may include a driver IC and a Hall IC configured to control the current applied to the coil 1220. In other words, the sensor 1600 may include a controller. Here, the terminal portion 1524 of the lower elastic member 1520 may not extend downward from the base 1400, but may be conductively connected to the sensor 1600 in the lens moving device.

[0514] In other words, the sensor 1600 may be composed of only a Hall element configured to detect the magnetic force of the second magnet 1230 , or may include a driver IC configured to apply a current to the coil 1220 , as well as the Hall element.

[0515] The sensor 1600 may be disposed between the protrusion 1420 and the protrusion 1430 of the base 1400. An upper surface of the sensor 1600 may be located at a level higher than an upper surface of the protrusion 1420 of the base 1400 but lower than an upper surface of the protrusion 1430 of the base 1400.

[0516] The sensor 1600 may include a plurality of terminals. The sensor 1600 may include four terminals. The four terminals of the sensor 1600 may include I2C communication terminals SDA and SCL and power terminals VSS and VDD. When the sensor 1600 includes a driver IC, two terminals for connecting to the coil 1220 may be further provided.

[0517] In a modification, the sensor 1600 may be disposed on the lower surface of the base 1400. Here, the intensity of the magnetic force of the second magnet 1230 detected by the sensor 1600 may be reduced compared to the case where the sensor 1600 is disposed on the upper surface of the base 1400. However, when it is easy to ensure a space on the lower surface of the base 1400, the height of the lens moving device can be minimized according to this modified structure.

[0518] In another variation, the sensor 1600 may be disposed on the printed circuit board 1050. In another variation, the sensor 1600 may be disposed on the printed circuit board 1050 below the base 1400 instead of at the base 1400. Here, the sensor 1600 may include a TMR sensor, thereby obtaining a magnetic force having a higher magnitude.

[0519] The lens moving device according to the embodiment may be applied to various fields, for example, the field of a camera module or an optical device.

[0520] For example, the lens mobile device 100 according to the embodiment may be included in an optical instrument designed to form an image of an object in space using reflection, refraction, absorption, interference, diffraction, etc. as characteristics of light to expand vision, record an image obtained through a lens or reproduce an image, perform optical measurement, or propagate or transmit an image. For example, although the optical instrument according to the embodiment may be a mobile phone, a cellular phone, a smart phone, a portable smart instrument, a digital camera, a laptop computer, a digital broadcast terminal, a PDA (personal digital assistant), a PMP (portable multimedia player), a navigation device, etc., the present disclosure is not limited thereto. Furthermore, any device capable of taking an image or a photo is possible.

[0521] Fig.28 is an exploded perspective view showing a camera module 200 according to an embodiment.

[0522] refer to Fig.28 , the camera module 200 may include a lens module 400, a lens moving device 100 or 1010, a bonding member 612, a filter 610, a circuit board 800, an image sensor 810, and a connector 840. The camera module may alternatively be referred to as a "camera device."

[0523] The lens module 400 may include a lens and / or a lens barrel, and may be mounted in the bobbin 110 of the lens moving device 100 .

[0524] For example, the lens module 400 may include one or more lenses and a lens barrel configured to accommodate the lenses. However, a component of the lens module is not limited to the lens barrel, and any component may be used as long as it has a holder structure capable of supporting one or more lenses. The lens module may be coupled to the lens mobile device 100 and may move with the lens mobile device 100.

[0525] For example, the lens module 400 may be coupled to the lens mobile device 100 or 1010 by threaded engagement. For example, the lens module 400 may be coupled to the lens mobile device 100 or 1010 using an adhesive (not shown). Light having passed through the lens module 400 may be radiated to the image sensor 810 through the filter 610.

[0526] The adhesive member 612 may couple or attach the base 210 of the lens moving device 100 to the circuit board 800. The adhesive member 612 may be, for example, epoxy resin, a heat-hardening adhesive, or an ultraviolet-hardening adhesive.

[0527] The filter 610 may be used to prevent light in a specific frequency band passing through the lens barrel 400 from being introduced into the image sensor 810. The filter 610 may be, for example, an infrared light blocking filter, but is not limited thereto. Here, the filter 610 may be oriented parallel to the XY plane.

[0528] Here, the infrared light blocking filter may be made of a film material or a glass material. For example, the infrared light blocking filter may be manufactured by applying an infrared light blocking coating material to a plate-shaped optical filter (such as a cover glass) to protect an imaging area.

[0529] The filter 610 may be disposed below the base 210 or 1400 of the lens moving device 100 or 1010 .

[0530] For example, the base 210 may be provided with a mounting portion on the lower surface of the base 210, and the filter 610 is mounted on the mounting portion. In another embodiment, another sensor base may be provided, and the filter 610 is mounted on the sensor base.

[0531] The circuit board 800 may be disposed below the lens mobile device 100, and the image sensor 810 may be mounted on the circuit board 800. The image sensor 810 may receive an image included in light introduced through the lens mobile device 100 or 1010, and may convert the received image into an electrical signal.

[0532] The image sensor 810 may be positioned so that the optical axis of the image sensor 810 is aligned with the optical axis of the lens module 400. Accordingly, the image sensor 810 may obtain light that has passed through the lens module 400. The image sensor 810 may output the radiated light as an image. The image sensor 810 may be, for example, a CCD (charge coupled device), a MOS (metal oxide semiconductor), a CPD, or a CID. However, the type of the image sensor is not limited thereto.

[0533] The filter 610 and the image sensor 810 may be disposed to be spaced apart from each other in a state of facing each other in the first direction.

[0534] The connector 840 may be conductively connected to the circuit board 800 , and may have a port intended to be conductively connected to an external device.

[0535] Fig.29 is an exploded perspective view of a camera module 1010A according to another embodiment.

[0536] refer to Fig.29 ,Apart from Fig.28, the camera module 1010A may further include a sensor base 1040. The sensor base 1040 may alternatively be referred to as a "holder."

[0537] The sensor base 1040 may be disposed between the lens moving device 100 or 1010 and the printed circuit board 1050. The sensor base 1040 may include a protrusion 1041 on which the filter 610 is disposed. A hole may be formed in a portion of the sensor base 1040 where the filter 610 is disposed, thereby allowing light that has passed through the filter 610 to be incident on the image sensor 60. The camera module 1010A may include a bonding member 1045 configured to couple or combine the base 210 or 1400 of the lens moving device 100 or 1010 to the sensor base 1040. The bonding member 1045 may further be used to prevent contaminants from entering the lens moving device 100 or 1010. The bonding member 1045 may include at least one of an epoxy resin, a heat-hardening adhesive, or an ultraviolet-hardening adhesive.

[0538] The camera module 1010A may include a printed circuit board (PCB) 1050. The PCB 1050 may be Fig.28 Accordingly, the description of circuit board 800 may be applied to printed circuit board 1050, whether or not modified, and the description of printed circuit board 1050 may be applied to Fig.28 The circuit board 800 shown in FIG.

[0539] The printed circuit board 1050 may be a substrate or a circuit board.

[0540] The lens moving device 100 or 1010 may be disposed on a printed circuit board 1050. The sensor base 40 may be disposed between the printed circuit board 1050 and the lens moving device 100 or 1010. The printed circuit board 1050 may be conductively connected to the lens moving device 100 or 1010. The image sensor 60 may be disposed on the printed circuit board 1050.

[0541] The camera module 1010A may include an image sensor 810. The image sensor 810 may be conductively connected to the printed circuit board 1050. For example, the image sensor 810 may be coupled to the printed circuit board 1050 by surface mounting technology (SMT). Alternatively, the image sensor 810 may be coupled to the printed circuit board 1050 by flip chip technology. The image sensor 810 may be arranged to be aligned with the optical axis. In other words, the optical axis of the image sensor 810 may be aligned with the optical axis of the lens. The image sensor 810 may convert light incident on the effective image area of ​​the image sensor 810 into an electrical signal. The camera module 1010A may include a motion sensor 1070. The motion sensor 1070 may be surface mounted on the printed circuit board 1050. The motion sensor 1070 may be conductively connected to the controller 1080 via a circuit pattern provided at the printed circuit board 1050. The motion sensor 1070 may output rotational angular velocity information of the motion of the camera module 1010A. The motion sensor 1070 may include a two-axis or three-axis gyro sensor or an angular velocity sensor.

[0542] The camera module 1010A may include a controller 1080. The controller 1080 may be disposed on the printed circuit board 1050. The controller 1080 may be conductively connected to the first coil and the second coil of the lens mobile device 100 or 1010. The controller 1080 may separately control the direction, intensity, amplitude, etc. of the current supplied to the first coil and the second coil. The controller 1080 may control the lens mobile device 100 or 1010 to perform an autofocus function and / or a hand shake correction function. Furthermore, the controller 1080 may perform autofocus feedback control and / or hand shake correction feedback control for the lens mobile device 100 or 1010. The camera module 1010A may include a connector 1090. Fig.28 The description of the connector 840 shown in FIG. 8 can be applied to Fig.29 The connector 1090 shown in , with or without modifications.

[0543] Fig.30 is a perspective view showing an optical device 200A according to the embodiment. Fig.31 It is shown Fig.30 A view of the configuration of an optical device 200A shown in FIG.

[0544] refer to Fig.30 and Fig.31 , the optical device 200A (eg, a portable terminal) may include a body 850 . Fig.30The body 850 shown in FIG. 8 has a rod shape, but is not limited thereto, and may be any of various types such as, for example, a sliding type, a folding type, a swing type, or a rotating type in which two or more sub-bodies are coupled so as to be movable relative to each other.

[0545] For example, the body 850 may include a shell (e.g., a housing, a cover, or a cover) that defines the appearance of the terminal. For example, the body 850 may be divided into a front shell 851 and a rear shell 852. Various electronic components of the terminal may be accommodated in a space defined between the front shell 851 and the rear shell 852. The display panel 751 may be disposed on one surface of the body 850. The camera 721 may be disposed on at least one of one surface of the body 850 and the opposite surface of the body 850.

[0546] The optical device 200A may include a wireless communication unit 710 .

[0547] The wireless communication unit 710 may include one or more modules that enable wireless communication between the optical device 200A and a wireless communication system or between the optical device 200A and a network in which the optical device 200A is located. For example, the wireless communication unit 710 may include at least one of a broadcast receiving module 711, a mobile communication module 712, a wireless Internet module 713, a short-range communication module 714, and a location information module 715.

[0548] The optical apparatus 200A may include an A / V input unit 720. The A / V input unit 720 is used to input an audio signal or a video signal, and may include a camera 721. Furthermore, the A / V input unit 720 may include a microphone 722.

[0549] The camera 721 may include the camera module 200 or 1010A according to the embodiment.

[0550] The optical device 200A may include a sensing unit 740. The sensing unit 740 may sense the current state of the optical device 200A, such as, for example, whether the optical device 200A is open or closed, the position of the optical device 200A, the presence of a user touch, the orientation of the optical device 200A, or the acceleration / deceleration of the optical device 200A, and may generate a sensing signal to control the operation of the optical device 200A. When the optical device 200A is, for example, a sliding cellular phone, the sensing unit 740 may sense whether the sliding cellular phone is open or closed. Furthermore, the sensing unit 740 may sense the supply of power from the power supply unit 790, the connection of the interface unit 770 to an external device, and the like.

[0551] The optical device 200A may include an input / output unit 750. The input / output unit 750 is used to generate input or output such as visual, auditory or tactile. The input / output unit 750 may generate input data to control the operation of the optical device 200A, and may display information processed in the optical device 200A.

[0552] For example, the input / output unit 750 may include at least one of a key unit 730 , a touch screen panel 753 , a display panel 751 , and an audio output module 752 .

[0553] The key unit 730 may generate input data in response to input on a key.

[0554] The touch screen panel 753 may convert a change in capacitance caused by a user's touch on a specific area of ​​the touch screen into an electric input signal.

[0555] The display panel 751 may output an image captured by the camera 721. The display module 751 may include a plurality of pixels whose colors change depending on an electrical signal applied to the pixels. For example, the display panel 751 may include at least one of a liquid crystal display, a thin film transistor liquid crystal display, an organic light emitting diode, a flexible display, and a 3D display.

[0556] The touch screen panel 753 and the display panel 751 may be constructed separately or integrally. For example, the touch screen panel 753 may be an add-on type or an embedded type. The add-on type touch screen panel may be attached to the outer surface of the display panel in the form of a film. The embedded type touch screen panel may be disposed in the display panel. For example, the embedded type may be an In-Cell type or an On-Cell type.

[0557] The audio output module 752 may output audio data received from the wireless communication unit 710 in, for example, a call signal reception mode, a call mode, a recording mode, a voice recognition mode, or a broadcast reception mode, or may output audio data stored in the memory unit 760 .

[0558] The optical device 200A may include a memory unit 760. The memory unit 760 may temporarily store a program for processing and control of the controller 780 and input / output data (e.g., phone numbers, messages, audio data, still images, moving images, etc.). For example, the memory unit 760 may store images captured by the camera 721, such as pictures or moving images.

[0559] The optical device 200A may include an interface unit 770. The interface unit 770 serves as a path for connecting the lens moving device to an external device connected to the optical device 200A. The interface unit 770 may receive power or data from an external component, and may transmit the power or data to a corresponding constituent element inside the optical device 200A, or may transmit data inside the optical device 200A to an external component. For example, the interface unit 770 may include at least one of a wired / wireless headphone port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting to a device equipped with an identification module, an audio input / output (I / O) port, a video input / output (I / O) port, and a headphone port.

[0560] The optical device 200A may include a controller 780. The controller 780 may control the overall operation of the optical device 200A. For example, the controller 780 may perform control and processing related to, for example, voice calls, data communications, and video calls.

[0561] The controller 780 may include a display controller 781 configured to control a display panel 751 as a display of the optical device 200A. The controller 780 may include a camera controller 782 configured to control the camera module 200 or 1010A. The controller 780 may include a multimedia module 783 for multimedia playback. The multimedia module 783 may be implemented in the controller 780, or may be implemented separately from the controller 780. The controller 780 may perform a pattern recognition process capable of recognizing a writing input or a drawing input performed on the touch screen as a character and an image, respectively.

[0562] The optical device 200A may include a power supply unit 790. The power supply unit 790 may supply power required to operate corresponding constituent elements when receiving external power or internal power under the control of the controller 780.

[0563] The features, structures, effects, etc. described above in the embodiments are included in at least one embodiment, but the present invention is not limited to these embodiments. In addition, the features, structures, effects, etc. illustrated in the corresponding embodiments can be combined with other embodiments, or modified by those skilled in the art. Accordingly, the contents related to these combinations and modifications should be understood to fall within the scope of the present disclosure.

[0564] Industrial Applicability

[0565] The embodiment can be applied to a lens mobile device and a camera module and an optical device including the lens mobile device and the camera module, which are configured so that the elastic force of the elastic member in the x-axis direction and the elastic force in the y-axis direction are generated asymmetrically, thereby increasing the difference between the second resonance frequency and the third resonance frequency, thereby preventing or suppressing the oscillation of the AF operation unit during the AF operation.

Claims

1. A lens mobile device, comprising: a cover member, the cover member comprising an upper plate and side plates; a wire bobbin disposed in the cover member; a coil disposed on the bobbin; a first magnet disposed between the coil and the side plate of the cover member; a base disposed below the bobbin and coupled to the side plate of the cover member; a second magnet disposed on the bobbin; a sensor disposed on the base and configured to detect the second magnet; as well as A terminal is inserted into the base so that at least a portion of the terminal is positioned inside the base and conductively connected to the sensor.

2. The lens moving device according to claim 1, wherein: The bobbin is configured to move in the optical axis direction by interaction between the first magnet and the coil.

3. The lens moving device according to claim 1, wherein: The base includes a through hole, and the through hole is formed to pass through the base in an optical axis direction.

4. The lens moving device according to claim 1, wherein: The bobbin includes a recessed portion, and the second magnet is disposed in the recessed portion of the bobbin. 5 . The lens moving device according to claim 1 , comprising a lower elastic member connecting the bobbin and the base.

6. The lens moving device according to claim 1, wherein: The terminal comprises: a first portion, at least a portion of which projects downwardly from the base; and A second portion extends from the first portion and is conductively connected to the sensor.

7. The lens moving device according to claim 6, wherein: At least a portion of the second portion penetrates the base.

8. The lens moving device according to claim 5, wherein: The lower elastic member includes an inner portion coupled to the bobbin, an outer portion coupled to the base, and a connector connecting the inner portion and the outer portion.

9. The lens moving device according to claim 1, wherein: The terminal includes a plurality of terminals spaced apart from each other.

10. The lens moving device according to claim 5, wherein: The terminal includes four terminals, and the lower elastic member includes two lower elastic units spaced apart from each other and conductively connected to the coil.

11. The lens moving device according to claim 1, wherein: The sensor includes a Hall element and a driver IC.

12. The lens moving device according to claim 11, wherein: The sensor is configured to apply an electric current to the coil.

13. The lens moving device according to claim 2, wherein: The second magnet is disposed between the bobbin and the coil in a direction perpendicular to the optical axis direction.

14. The lens moving device according to claim 1, wherein: The first magnet includes two magnet units disposed opposite to each other with respect to the bobbin.

15. A lens mobile device, comprising: a cover member, the cover member comprising an upper plate and side plates; a wire bobbin disposed in the cover member; a coil disposed on the bobbin; a first magnet disposed between the coil and the side plate of the cover member; a base, the base being disposed below the bobbin; a second magnet disposed on the bobbin; a sensor disposed on the base and configured to detect the second magnet; as well as A terminal is inserted into the base and includes four terminals, The four terminals are connected to the sensor, and at least a portion of each of the four terminals is not exposed from the base.

16. The lens moving device according to claim 15, wherein: Each of the four terminals comprises: a first portion, at least a portion of which projects downwardly from the base; and A second portion extends from the first portion and is conductively connected to the sensor.

17. A lens mobile device, comprising: Outer cover; a wire spool disposed inside the outer cover; a coil disposed on the bobbin; a sensing magnet disposed on the bobbin; a magnet, wherein the magnet is disposed on the outer cover; an upper elastic member including: an outer portion coupled to an upper portion of the outer cover; an inner portion coupled to an upper portion of the bobbin; and a connector connecting the inner portion and the outer portion; a position sensor configured to detect the strength of the magnetic field of the sensing magnet for sensing the displacement of the bobbin; and A damper is provided on both the connector and the cover of the upper elastic member.

18. The lens moving device according to claim 17, wherein: The damper is spaced apart from the inner portion of the upper elastic member and the outer portion of the upper elastic member.

19. The lens moving device according to claim 17, wherein: The housing includes a protrusion corresponding to the connector, and the damper is provided on both the protrusion and the connector.

20. A camera module comprising: lens; The lens moving device according to any one of claims 1 to 19; and Image sensor.

Images