KR20190042213A - Lens driving device, camera module and optical apparatus - Google Patents

Abstract

An embodiment of the present invention provides a camera module including a lens driving device and an optical apparatus including the camera module. The lens driving device comprises: a cover; a bobbin disposed in the cover; a first coil disposed in the bobbin; a magnet opposed to the first coil; and a base disposed under the cover, wherein the cover includes an upper plate, a first side plate extending downward from the upper plate, and a first protrusion unit positioned on a lower surface of the first side plate, the base includes a body on which the first side plate is disposed and a first groove on which the first protrusion unit is disposed. The first protrusion unit is curved or bent in part to be disposed in the first groove.

Description

TECHNICAL FIELD [0001] The present invention relates to a lens driving device, a camera module,

The present embodiment relates to a lens driving device, a camera module, and an optical device.

The following description provides background information for the present embodiment and does not describe the prior art.

As the spread of various portable terminals is widely popularized and the wireless Internet service is commercialized, the demands of consumers related to portable terminals are diversified, and various kinds of additional devices are installed in portable terminals.

Among them, there is a camera module which photographs a subject as a photograph or a moving picture. In recent years, an autofocus function, which is a function of automatically adjusting the focus according to the distance of a subject, or an unintentional hand movement correction, which moves or tilts the lens module in a direction perpendicular to the optical axis direction, A camera module equipped with a lens driving device capable of performing a function has appeared.

The lens driving device includes a cover for protecting the built-in part, and the cover is separated from the lens driving device (a cover is pulled out) due to an external impact.

In this embodiment, there is provided a lens driving apparatus in which a high pressing force is required to separate a cover, a camera module including the lens driving apparatus, and an optical apparatus including the camera module.

The lens driving apparatus of this embodiment includes a cover; A bobbin disposed in the cover; A first coil disposed in the bobbin; A magnet opposed to the first coil; Wherein the cover includes a top plate, a first side plate extending downward from the top plate, and a first protrusion located on a bottom surface of the first side plate, A body on which the side plate is disposed and a first groove on which the first projection is disposed, and the first projection may be partially bent or bent to be disposed in the first groove.

The first groove may be formed by recessing the lower surface of the body, and the first protrusion may protrude downward from the lower surface of the first side plate and may be curved or bent toward the first groove.

Wherein the first projection includes a first part that protrudes downward from a lower surface of the first side plate and a first and second parts that are bent or bent in the first part, A first 1-1 groove in which the outer surface of the body is recessed and in which the 1-1 part is disposed, and a 1-2 groove in which the lower surface of the body is recessed and in which the 1-2 part is disposed can do.

The first 1-1 groove may extend from the upper surface of the body to the lower surface of the body, and the 1-2 th groove may extend to one side of the 1-1 groove.

The first 1-2 groove may extend perpendicularly to a direction in which the first 1-1 groove extends from a lower portion of the 1-1 groove.

The body is divided into an upper end portion and a lower end portion by a height difference of an upper surface of the body, the lower end portion is located at an edge of the upper end portion, the first side plate is disposed at the lower end portion, And the first projecting portion may protrude downward from a lower surface of the first side plate and be bent or bent toward the first groove.

Wherein the first projection includes a first part that protrudes downward from a lower surface of the first side plate and a first and second parts that are bent or bent in the first part, A first 1-1 groove formed by recessing an outer surface of the upper end of the body and an outer surface of the lower end of the body, and a lower surface of the lower end of the body is recessed, And a first 1-2 groove in which the 1-2 part is disposed.

The cover includes a second side plate extending downward from the upper plate and positioned on the opposite side of the first side plate, a second projection located on a lower surface of the first side plate and spaced apart from the first projection, And a third projection located at a lower surface of the second side plate and spaced apart from the third projection, wherein the base includes: a second groove in which the second projection is disposed; And a fourth groove in which the fourth projection is disposed, wherein the first projection and the third projection are arranged to face each other, and the second projection and the fourth projection are opposed to each other .

The camera module of this embodiment includes a cover; A bobbin disposed in the cover; A lens module disposed in the bobbin; A first coil disposed in the bobbin; A magnet opposed to the first coil; A base disposed below the cover; A main board disposed below the base; And an image sensor mounted on the main board, wherein the cover includes a top plate, a first side plate extending downward from the top plate, and a first protrusion located on a bottom surface of the first side plate, A body on which the side plate is disposed and a first groove on which the first projection is disposed, and the first projection may be partially bent or bent to be disposed in the first groove.

The optical apparatus of this embodiment includes a main body; A display panel disposed on one surface of the main body; A camera module disposed in the main body and electrically connected to the display panel, the camera module including: a cover; A housing disposed within the cover; A lens module disposed in the bobbin; A first coil disposed in the bobbin; A magnet opposed to the first coil; A base disposed below the cover; A main board disposed below the base; And an image sensor mounted on the main board, wherein the cover includes a top plate, a first side plate extending downward from the top plate, and a first protrusion located on a bottom surface of the first side plate, A body on which the side plate is disposed and a first groove on which the first projection is disposed, and the first projection may be partially bent or bent to be disposed in the first groove.

In the lens driving apparatus of the present embodiment, the cover is stably fixed to the base by the projections that are bent or curved in the groove of the base, and are not easily separated by an external force. And further provides a camera module including the lens driving device and an optical device.

1 is a perspective view showing a lens driving apparatus of the present embodiment.
2 is an exploded perspective view showing the lens driving apparatus of the present embodiment.
3 is a cross-sectional view of the lens driving apparatus of the present embodiment with reference to AA 'line.
4 is a cross-sectional view of the lens driving apparatus of the present embodiment with reference to line BB '.
5 is a perspective view showing the cover of the lens driving device of this embodiment.
6 is a perspective view showing a housing, a magnet, and wires of the lens driving device of the present embodiment.
7 is a perspective view showing the bobbin, the first coil, the upper elastic member, and the lower elastic member of the lens driving device of this embodiment.
8 is a perspective view showing a base, a substrate, and a second coil of the lens driving apparatus of this embodiment.
9 is a perspective view of the base of the lens driving device of the present embodiment as viewed from below.
10 is an enlarged perspective view of a portion of FIG.
11 is a perspective view of the lens driving apparatus of this embodiment as viewed from below.
Fig. 12 is an enlarged perspective view of a part of Fig. 11. Fig.

Hereinafter, some embodiments of the present invention will be described with reference to exemplary drawings. In describing the components in the drawings, the same components are denoted by the same reference numerals whenever possible, even if they are displayed on other drawings. In the following description of the embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the difference that the embodiments of the present invention are not conclusive.

In describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected, coupled, or connected to the other component, It is to be understood that another element may be " connected ", " coupled ", or " connected " between elements.

The " optical axis direction " used below is defined as the optical axis direction of the lens module in a state of being coupled to the lens driving device. On the other hand, the "optical axis direction" can be used in combination with "vertical direction", "vertical direction", "z-axis direction"

The "autofocus function" used below is to focus the subject by adjusting the distance from the image sensor by moving the lens module in the direction of the optical axis according to the distance of the subject so that a clear image of the subject can be obtained on the image sensor . On the other hand, "autofocus" can be mixed with "AF (Auto Focus)".

The " hand shake correction function " used below is defined as a function of moving or tilting the lens module in a direction perpendicular to the optical axis direction so as to cancel the vibration (motion) generated in the image sensor by an external force. On the other hand, " hand shake correction " can be mixed with " Optical Image Stabilization (OIS) ".

Hereinafter, the configuration of the optical device according to the present embodiment will be described. The optical apparatus according to the present embodiment may be applied to a mobile phone, a mobile phone, a smart phone, a portable smart device, a digital camera, a laptop computer, a digital broadcast terminal, a PDA (Personal Digital Assistants) ), Navigation, and the like, but is not limited thereto, and any device for capturing an image or a photograph is possible. The optical apparatus according to the present embodiment includes a main body (not shown), a display panel (not shown) arranged on one side (one side) of the main body to display information, And a camera module (not shown). The camera module is electrically connected to the display panel so that an image or a photograph taken by the camera module can be reproduced on the display panel.

Hereinafter, a camera module according to the present embodiment will be described. The camera module of this embodiment may include a lens module (not shown), an infrared cut filter (not shown), a main board (not shown), an image sensor (not shown) have.

The lens module may include a lens and a lens barrel. The lens module may include one or more lenses and a lens barrel for receiving one or more lenses. However, one configuration of the lens module is not limited to the lens barrel, and any structure can be used as long as it can support one or more lenses. The lens module can be coupled to the lens driving device 10 and moved. The lens module may be disposed in the bobbin 500 of the lens driving device 10 as an example. In this case, the inner peripheral surface of the lens module and the bobbin 500 can be in contact with each other. The lens module can be screwed to the bobbin 500 as an example. The lens module may be coupled to the bobbin 500 by an adhesive as an example. On the other hand, the light having passed through the lens module can be irradiated to the image sensor.

The infrared cutoff filter can block the light of the infrared region from entering the image sensor. The infrared cut filter may be located, for example, between the lens module and the image sensor. The infrared cut filter may be located in a holder member (not shown) provided separately from the base 900. However, the infrared cut filter may be mounted in a hole formed at the center of the base 900. The infrared cut filter may be formed of a film material or a glass material as an example. The infrared cut filter may be formed by coating an infrared cut-off coating material on a plate-shaped optical filter such as a cover glass for protecting an image pickup surface and a cover glass.

The main board may be a printed circuit board (PCB). The main board can support the lens driving apparatus 10. [ An image sensor can be mounted on the main board. As an example, an image sensor may be positioned inside the top surface of the main substrate, and a sensor holder (not shown) may be located outside the top surface of the main substrate. The lens driving device 10 can be positioned above the sensor holder. Alternatively, the lens driving device 10 may be positioned outside the upper surface of the main substrate, and the image sensor may be positioned inside the upper surface of the main substrate. With this structure, the light passing through the lens module housed inside the lens driving device 10 can be irradiated to the image sensor mounted on the main substrate. The main board can supply power to the lens driving apparatus 10. [ On the other hand, a control unit for controlling the lens driving apparatus 10 may be located on the main board.

The image sensor can be mounted on the main board. The image sensor may be positioned such that the optical axis and the lens module are aligned. Thereby, the image sensor can acquire light passing through the lens module. The image sensor can output the irradiated light as an image. The image sensor may be, for example, a charge coupled device (CCD), a metal oxide semiconductor (MOS), a CPD and a CID. However, the type of image sensor is not limited thereto.

The control unit may be mounted on the main board. The control unit may be located outside the lens driving apparatus 10. [ However, the control unit may be located inside the lens driving apparatus 10. The control unit can control the direction, intensity, and amplitude of the current supplied to each of the components constituting the lens driving apparatus 10. [ The control unit can perform at least one of the autofocus function and the camera shake correction function of the camera module by controlling the lens driving unit 10. [ That is, the control unit can control the lens driving unit 10 to move the lens module in the optical axis direction or tilt it in the direction perpendicular to the optical axis direction.

Furthermore, the control unit can perform feedback control of the shake correction function. In more detail, the controller receives the position of the housing 200 sensed by the sensor 1400 and controls the power or current applied to the second coil 1300, thereby providing a precise vibration compensation function.

Hereinafter, the lens driving apparatus 10 of the present embodiment will be described with reference to the drawings. 2 is a disassembled perspective view showing the lens driving apparatus of the present embodiment, Fig. 3 is a sectional view showing the lens driving apparatus of this embodiment with reference to AA 'line, Fig. 5 is a perspective view showing a cover of the lens driving apparatus of the present embodiment, FIG. 6 is a sectional view of the lens driving apparatus of this embodiment with reference to BB 'line, 7 is a perspective view showing a bobbin, a first coil, a top elastic member, and a bottom elastic member of the lens driving device of the present embodiment, and Fig. 8 is a perspective view showing the bobbin, 9 is a perspective view of the base of the lens driving device of the present embodiment as viewed from below, FIG. 10 is a perspective view of an enlarged portion of FIG. 9, and FIG. 1 is a perspective view of the lens driving apparatus of this embodiment as viewed from below, and Fig. 12 is an enlarged perspective view of a portion of Fig.

The lens driving apparatus 10 of the present embodiment performs the autofocus function by moving the bobbin 400 in the optical axis direction (vertical direction, vertical direction) by electromagnetic interaction between the magnet 300 and the first coil 600 . For this purpose, the bobbin 400 can be elastically supported by the upper elastic member 700 and the lower elastic member 800 so as to be movable in the optical axis direction. The bobbin 400 may perform both the upward and downward movement in both directions or perform the unidirectional movement in which the upper and lower sides move to one side.

The lens driving apparatus 10 of the present embodiment performs the hand shake correction function by moving or tilting the housing 200 in the direction perpendicular to the optical axis by the electromagnetic interaction between the magnet 300 and the second coil 1300 can do. To this end, the housing 200 can be elastically supported by the wire 400 so as to be movable or tiltable in a direction perpendicular to the optical axis.

The lens driving apparatus 10 of this embodiment includes a cover 100, a housing 200, a magnet 300, a wire 400, a bobbin 500, a first coil 600, an upper elastic member 700, An elastic member 800, a base 900, a substrate 1000, a second coil 1300, and a sensor 1400. In this case, the cover 100, the housing 200, the magnet 300, the wire 400, the bobbin 500, the first coil 600, the upper elastic member 700, the lower elastic member 800, At least one member of the first coil 900, the substrate 1000, the second coil 1300, and the sensor 1400 may be omitted and transformed into various structures. For example, when the housing 200 is omitted, the magnet 300 may be attached to the first side plate 120, the second side plate 130, the third side plate 140, and the fourth side plate 150 of the cover 100 The second side plate 130, the third side plate 140 and the fourth side plate 150 of the cover 100. The first side plate 120, the second side plate 130, the third side plate 140,

The cover 100 may be an exterior member of the lens driving apparatus 10. [ The cover 110 may be in the form of a rectangular parallelepiped having a bottom open. A housing 500, a first coil 600, an upper elastic member 700, a lower elastic member 800, a substrate 1000, and a second coil 1300 can be accommodated in the cover 100. A base 900 may be disposed under the cover 100. The cover 100 may be supported by the base 900. The cover 100 may be bonded to the base 900 by an adhesive.

The material of the cover 100 may include a metal. In this case, the cover 100 can block the penetration of the electromagnetic from the outside or the electromagnetic emission from the inside to the outside. That is, the cover 100 can shield the electromagnetic waves. Therefore, the cover 100 may be referred to as a " shield can ". However, the material of the cover 100 is not limited thereto. In one example, the material of the cover 100 may comprise plastic. In this case, the cover 100 can be manufactured by plastic injection.

The cover 100 includes an upper plate 110, a first side plate 120, a second side plate 130, a third side plate 140, a fourth side plate 150, a first protrusion 121, a second protrusion 122 A third protrusion 131, a fourth protrusion 132, a ground terminal 141, and an adhesive applying unit 161. The first protrusion 131, the fourth protrusion 132, the ground terminal 141,

The top plate 110 may be in the form of a square plate. The upper plate 110 may form the upper surface of the cover 100. A hole 101 may be formed in the center of the upper plate 110. The hole 101 of the top plate 110 may be positioned in alignment with the optical axis. External light can be introduced into the interior of the lens driving apparatus 10 through the hole 101 of the upper plate 110. The first side plate 120, the second side plate 130, the third side plate 140, and the fourth side plate 150 may be positioned on each of the four sides of the upper plate 110.

The first side plate 120 may extend downward from the first side of the top plate 110. The second side plate 130 may extend downward from the second side of the top plate 110. The third side plate 140 may extend downward from the third side of the top plate 110. The fourth side plate 150 may extend downward from the fourth side of the upper plate 110.

The first side plate 120 and the second side plate 130 may be disposed opposite to each other (the second side plate is disposed on the opposite side of the first side plate and vice versa). The third side plate 140 and the fourth side plate 150 may be disposed opposite to each other (the fourth side plate is disposed on the opposite side of the third side plate and vice versa). The first side plate 120 and the second side plate 130 can be connected by the third side plate 140 and the fourth side plate 150 and vice versa. The first side plate 120 and the second side plate 130 may be disposed parallel to each other. The third side plate 140 and the fourth side plate 150 may be disposed parallel to each other.

The first side plate 120 and the third side plate 140 may be disposed with a corner therebetween. The first side plate 120 and the third side plate 140 may be disposed adjacent to each other. The first side plate 120 and the fourth side plate 150 may be disposed with a corner therebetween. The first side plate 120 and the fourth side plate 150 may be disposed adjacent to each other. The second side plate 130 and the third side plate 140 may be disposed with a corner therebetween. The second side plate 130 and the third side plate 140 may be disposed adjacent to each other. The second side plate 130 and the fourth side plate 150 may be disposed with a corner therebetween. The second side plate 130 and the fourth side plate 150 may be disposed adjacent to each other.

The first side plate 120, the second side plate 130, the third side plate 140 and the fourth side plate 150 may be disposed at the lower end U of the body 910 of the base 900. The first side plate 120, the second side plate 130, the third side plate 140 and the fourth side plate 150 can engage with the lower end U of the body 910 of the base 900. The lower surfaces of the first side plate 120, the second side plate 130, the third side plate 140 and the fourth side plate 150 and the upper surface of the lower end U of the body 910 of the base 900 are opposed to each other . The lower surfaces of the first side plate 120, the second side plate 130, the third side plate 140 and the fourth side plate 150 and the upper surface of the lower end U of the body 910 of the base 900 can be in contact with each other have. An adhesive is applied between the lower surface of the first side plate 120, the second side plate 130, the third side plate 140 and the fourth side plate 150 and the upper surface of the lower end U of the body 910 of the base 900 Can be applied.

The first protrusion 121 and the second protrusion 122 may be located on the first side plate 120. The first protrusion 121 and the second protrusion 122 may be spaced apart from each other in the width direction of the first side plate 120. The third protrusion 131 and the fourth protrusion 132 may be located on the second side plate 130. The third protrusion 131 and the fourth protrusion 132 may be spaced apart from each other in the width direction of the second side plate 130. The first projection 121 and the third projection 131 can face each other (a third projection is disposed on the opposite side of the first projection, and vice versa). The first protrusion 121 and the third protrusion 131 may overlap at least partly in the horizontal direction. The second projection 122 and the fourth projection 132 can be opposed to each other (a fourth projection is disposed on the opposite side of the second projection, and vice versa). The second protrusion 122 and the fourth protrusion 132 may overlap at least partly in the horizontal direction.

The first protrusion 121 may be positioned on the lower surface of the first side plate 120. The first protrusion 121 may protrude downward from the lower surface of the first side plate 120. The first protrusion 121 may be disposed in the first groove 920 of the base 900. The first protrusion 121 may be curved or bent (bending). The first protrusion 121 may be curved or bent along the direction in which the first and second grooves 922 of the first groove 920 of the base 900 extend. The first protrusion 121 may be curved or bent toward the third protrusion 131. The first protrusion 121 may be curved or bent at 90 degrees. The first protrusion 121 may be bent or bent perpendicularly to the outer surface of the body 910 of the base 900. The first protrusion 121 may be bent or bent perpendicularly to the outer surface of the lower end U of the body 910 of the base 900. The first protrusion 121 can hook the base 900 and stably fix the cover 100. [

The first protrusion 121 has a first part 121-1 protruding downward from the lower surface of the first side plate 120 and a first part 121-1 protruding downward from the first part 121-1 of the first protrusion 121 And may include a first-second portion 121-2 which is curved or bent (see Fig. 12). In this case, the first-second portion 121-2 of the first projection 121 may be bent or bent at the lower end of the first-first portion 121-1 of the first projection 121. The first part 121-1 of the first projection 121 can be disposed in the first groove 921 and the first 1-2 part 121-2 of the first projection 121 can be disposed in the first- And may be disposed in the first-second groove 922.

The second protrusion 122 may be located on the lower surface of the first side plate 120. The second projection 122 may protrude downward from the lower surface of the first side plate 120. The second protrusion 122 may be disposed in the second groove 930 of the base 900. The second protrusion 122 may be curved or bent (bending). The second projection 122 may be curved or bent along the direction in which the second-second groove 932 of the second groove 930 of the base 900 extends. The second protrusion 122 may be curved or bent toward the fourth protrusion 132. The second projection 122 may be curved or bent 90 degrees. The second protrusion 122 may be bent or bent perpendicularly to the outer surface of the body 910 of the base 900. The second protrusion 122 may be bent or bent perpendicularly to the outer surface of the lower end U of the body 910 of the base 900. The second protrusion 122 can hook the base 900 and stably fix the cover 100. [

The second projection 122 has a second portion 1 - 2 protruding downward from the lower surface of the first side plate 120 and a second portion 2 - 2 - 2 bent or bent in the second portion 1 - (See Fig. 12, substantially the same as the 1-1 and 1-2 parts of the first projection). In this case, the second-second part of the second projection 122 may be bent or bent at the lower end of the second-first part of the second projection 122. The second-1 portion of the second projection 122 may be disposed in the second-1 groove 931 and the second-2 portion of the second projection 122 may be disposed in the second- .

The third protrusion 131 may be located on the lower surface of the second side plate 130. The third protrusion 131 may protrude downward from the lower surface of the second side plate 130. The third protrusion 131 may be disposed in the third groove 940 of the base 900. The third protrusion 131 may be curved or bent (bending). The third projection 131 may be curved or bent along the direction in which the third-second groove 942 of the third groove 940 of the base 900 extends. The third protrusion 131 may be curved or bent toward the first protrusion 121. The third projection 131 may be curved or bent 90 degrees. The third protrusion 131 may be bent or bent perpendicular to the outer surface of the body 910 of the base 900. The third protrusion 131 may be bent or bent perpendicularly to the outer surface of the lower end U of the body 910 of the base 900. The third protrusion 131 can hook the base 900 and stably fix the cover 100. [

The third projecting portion 131 includes a third portion 1 - 3 protruding downward from the lower surface of the second side plate 130 and a third portion 1 - 3 - 2 extending or bent from the third portion 1 - 3 of the third projecting portion 131. (See Fig. 12, substantially the same as the 1-1 and 1-2 parts of the first projection). In this case, the third-second part of the third projection 131 can be bent or bent at the lower end of the third-first part of the third projection 131. The third-first portion of the third projection 131 may be disposed in the third-first groove 941, and the third-second portion of the third projection 131 may be disposed in the third- .

The fourth protrusion 132 may be located on the lower surface of the second side plate 130. The fourth protrusion 132 may protrude downward from the lower surface of the second side plate 130. The fourth protrusion 132 may be disposed in the fourth groove 950 of the base 900. The fourth protrusion 132 may be curved or bent (bending). The fourth protrusion 132 may be curved or bent along the direction in which the fourth-second groove 952 of the fourth groove 950 of the base 900 extends. The fourth protrusion 132 may be curved or bent toward the second protrusion 122. The fourth protrusion 132 may be curved or bent at 90 degrees. The fourth protrusion 132 may be bent or bent perpendicularly to the outer surface of the body 910 of the base 900. The fourth protrusion 132 may be bent or bent perpendicularly to the outer surface of the lower end U of the body 910 of the base 900. The fourth protrusion 132 can hook the base 900 and stably fix the cover 100. [

The fourth protrusion 132 includes a fourth portion 4-1 protruding downward from the lower surface of the second side plate 130 and a fourth portion 4-2 protruding downward from the fourth protrusion 132 of the fourth protrusion 132 (See Fig. 12, substantially the same as the 1-1 and 1-2 parts of the first projection). In this case, the fourth-second portion of the fourth projection 132 may be bent or bent at the lower end of the fourth-first portion of the fourth projection 132. The fourth-first portion of the fourth projection 132 may be disposed in the fourth-first groove 951 and the fourth-second portion of the fourth projection 132 may be disposed in the fourth- .

The ground terminal 141 may be located on the lower surface of the fourth side plate 150. The ground terminal 141 may protrude downward from the lower surface of the fourth side plate 150. The ground terminal 141 may be disposed in the fifth groove 960 of the base 900. The ground terminal 141 may be electrically connected to the main board of the camera module. As a result, the residual electromagnetic force accumulated in the cover 100 can be discharged to the outside through the ground terminal 141. [

The adhesive applying section 161 may be a groove for applying an adhesive. The number of the adhesive application units 161 may be plural. The plurality of adhesive application units 161 may be located on the lower surface of the first side plate 120 and the lower surface of the second side plate 130.

The adhesive application portion 161 located on the first side plate 120 may be positioned between the first projection 121 and the second projection 122. The adhesive applying unit 161 located on the first side plate 120 may be formed so as to be recessed upward from the lower surface of the first side plate 120 so that the lower surface of the first side plate may enter the upper side. A space may be formed between the upper surface of the lower end U of the body 910 of the base 900 and the lower surface of the first side plate 120 by the adhesive applying unit 161 located on the first side plate 120 . An adhesive is applied to such a space and the cover 100 can be stably fixed.

The adhesive application unit 161 located on the second side plate 130 may be positioned between the third and fourth protrusions 131 and 132. The adhesive application unit 161 located on the second side plate 130 may be formed so as to be recessed upward from the lower surface of the second side plate 130 so that the lower surface of the first side plate may enter the upper side. A space may be formed between the upper surface of the lower end U of the body 910 of the base 900 and the lower surface of the second side plate 130 by the adhesive applying unit 161 located on the second side plate 130 . An adhesive is applied to such a space and the cover 100 can be stably fixed.

The housing 200 may include a plastic material. The housing 200 can be manufactured by plastic insert injection. That is, the housing 200 may be a plastic injection mold.

The driving force may be applied to the housing 200 by electromagnetic interaction between the magnet 300 and the second coil 1300. [ The housing 200 can be moved or tilted in the direction perpendicular to the optical axis by the driving force. In this case, the lens module of the camera module moves integrally with the housing 200, and the camera shake correction function can be performed.

The housing 200 may have a hollow shape with a hole 201 formed at its center. The bobbin 500 may be disposed in the hole 201 of the housing 200. That is, the bobbin 500 may be disposed within the housing 200. The magnet 200 may be disposed on the housing 200. The upper elastic member 700 may be disposed on the housing 200. A lower elastic member 800 may be disposed below the housing 200. The substrate 1000 may be disposed below the housing 200. A lower elastic member 800 may be disposed between the housing 200 and the substrate 1000. A base 900 may be disposed below the housing 200. A lower elastic member 800 and a substrate 1000 may be disposed between the housing 200 and the base 900. The housing 200 and the substrate 1000 may be connected by a wire 400. The housing 200 and the base 900 may be connected by a wire 400. The housing 200 can be elastically supported by the wire 400. The housing 200 may be spaced upwardly from the substrate 1000 and the base 900 by a wire 400. That is, the housing 200 is lifted by the wire 400 and can be moved or tilted in a direction perpendicular to the optical axis.

The housing 200 may include a first side 210, a second side 220, a third side 230, a fourth side 240, a magnet receiving portion 250, and a stopper receiving portion 260 have.

The first side 210 and the second side 220 can face the magnet 300, the bobbin 500 and the first coil 600 (the second side is disposed opposite the first side) , And vice versa). The third side portion 230 and the fourth side portion 240 may face each other with the magnet 300, the bobbin 500 and the first coil 600 interposed therebetween (the fourth side is disposed on the opposite side of the third side) , And vice versa). The first side 210 and the second side 220 can be connected by the third side plate 230 and the fourth side 240 and vice versa. The first side 210 and the second side 220 may be disposed parallel to each other. The third side portion 230 and the fourth side portion 240 may be disposed parallel to each other.

The magnets 300 may be disposed in the magnet accommodating portion 250. Four magnet accommodating portions 250 may exist. The four magnet receiving portions 250 are formed at corners between the first side portion 210 and the third side portion 230, a corner between the third side portion 230 and the second side portion 220, The corner between the fourth side 240 and the corner between the fourth side 240 and the first side 210, respectively. The first magnet 310, the second magnet 320, the third magnet 330, and the fourth magnet 340 may be disposed in the four magnet accommodating portions 250, respectively.

A stopper 510 of the bobbin 500 may be disposed in the stopper receiving portion 260. There may be four stopper receiving portions 260. The four stopper receiving portions 260 may be located on the first side 210, the second side 220, the third side 230, and the fourth side 240, respectively. The four stopper receiving portions 260 are depressed downward from the upper surfaces of the first side portion 210 and the second side portion 220 and the third side portion 230 and the fourth side portion 240 And the upper surface of the side portion and the third side portion and the fourth side portion are downward). Four stoppers 510 of the bobbin 500 may be disposed in the four stopper receiving portions 260, respectively. The rotation or the downward movement of the bobbin 500 can be blocked by the four stoppers 510 of the bobbin 500.

The magnet 300 may be disposed in the housing 200. The magnet 300 may be disposed in the magnet accommodating portion 250 of the housing 200. The magnet 300 may be disposed opposite to the first coil 600. The magnet 300 may be disposed opposite to the second coil 1300. When a current is applied to the first coil 600, the magnet 300 and the first coil 600 can perform electromagnetic interaction. In this case, the bobbin 500 moves in the direction of the optical axis to perform the autofocus function. When a current is applied to the second coil 1300, the magnet 300 and the second coil 1300 can perform electromagnetic interaction. In this case, the housing 200 may be moved or tilted in a direction perpendicular to the optical axis to perform the hand shake correction function. The magnet 300 may include a first magnet 310, a second magnet 320, a third magnet 330, and a fourth magnet 340. The first magnet 310, the second magnet 320, the third magnet 330 and the fourth magnet 340 may be disposed in the four magnet accommodating portions 250 of the housing 200.

The wire 400 may extend in the optical axis direction and have a length. The upper end of the wire 400 may be disposed in the housing 200. The upper end of the wire 400 may be disposed at the corner of the housing 200. The upper end of the wire 400 may be disposed on the upper elastic member 700 through the housing 200. In this case, the wire 400 may be electrically connected to the upper elastic member 700. The lower end of the wire 400 may be disposed on the substrate 1000. In this case, the wire 400 may be electrically connected to the substrate 1000. The lower end of the wire 400 may be disposed on the base 900 through the substrate 1000. The wire 400 can elastically support the housing 200.

The wire 400 may also function as a conductive member that receives current from the substrate 1000 and transmits the current to the upper elastic member 700. The current supplied to the upper elastic member 700 may be applied to the first coil 600. [

The wire 400 may include a first wire 410, a second wire 420, a third wire 430, and a fourth wire 440.

The first wire 410 may be located outside the first magnet 310. The first wire 410 may extend downward at the corner between the first side 210 and the fourth side 240 and be secured to the substrate 1000. The first wire 410 may be fixed to the first upper elastic member 710 through a corner between the first side 210 and the fourth side 240. The first wire 410 may be fixed to the base 900 through the substrate 1000.

The second wire 420 may be located outside the second magnet 320. The second wire 420 may extend downward at the corner between the second side 220 and the third side 230 and be secured to the substrate 1000. The second wire 420 may be fixed to the second upper elastic member 720 through a corner between the second side 220 and the third side 230. The second wire 420 may be fixed to the base 900 through the substrate 1000.

The third wire 430 may be located outside the third magnet 330. The third wire 430 may extend downward at the corner between the first side 210 and the third side 230 and be secured to the substrate 1000. The third wire 430 may be fixed to the first upper elastic member 710 through a corner between the first side 210 and the third side 230. The third wire 430 may be fixed to the base 900 through the substrate 1000.

The fourth wire 440 may be located outside the fourth magnet 340. The fourth wire 440 may extend downward from the corner between the second side 220 and the fourth side 240 and be secured to the substrate 1000. The fourth wire 440 may be fixed to the second upper elastic member 720 through a corner between the second side 220 and the fourth side 240. The fourth wire 440 may be fixed to the base 900 through the substrate 1000.

One of the first wire 410 and the third wire 430 may be electrically connected to the first upper elastic member 710. One of the second wire 420 and the fourth wire 440 may be electrically connected to the second upper elastic member 720.

The bobbin 500 may include a plastic material. The bobbin 500 can be manufactured by plastic insert injection. That is, the bobbin 500 may be a plastic injection mold.

A driving force may be applied to the bobbin 500 by an electromagnetic interaction between the magnet 300 and the first coil 600. The bobbin 500 can move in the optical axis direction. In this case, the lens module of the camera module may move integrally with the bobbin 500 to perform an autofocus function.

The bobbin 500 may have a hollow shape with a hole 501 formed at its center. The lens module of the camera module may be disposed in the hole 501 of the bobbin 500. That is, the lens module may be disposed in the bobbin 500. The first coil 600 may be disposed on the bobbin 500. The first coil 600 may be disposed on the outer circumferential surface of the bobbin 500. The upper elastic member 700 may be disposed on the bobbin 500. Below the bobbin 500, a lower elastic member 800 may be disposed. The bobbin 500 and the housing 200 may be connected by the upper elastic member 700 and the lower elastic member 800. The bobbin 500 can be elastically supported by the upper elastic member 700 and the lower elastic member 800. As a result, the bobbin 500 can be separated from the housing 200. Further, the bobbin 500 can move in the direction of the optical axis by the upper elastic member 700 and the lower elastic member 800.

The bobbin 500 may include a stopper 510. The stopper 510 may protrude outward from the outer circumferential surface of the bobbin 500. The stopper 510 may be positioned above the first coil 600. The stopper 510 can be received in the stopper receiving portion 260 of the housing 200. The number of the stopper 510 may be four. The four stoppers 510 can be received in the four stopper receiving portions 260, respectively. Rotational movement or downward movement of the bobbin 500 can be blocked by contacting the four stoppers 510 with the housing 200.

The first coil 600 may be a (coiled) coil block wound on the outer circumferential surface of the bobbin 500. The first coil 600 may be disposed opposite to the magnet 300. The first coil 600 may electromagnetically interact with the magnet 300 to apply a driving force to the bobbin 500 when an electric current is applied. The first coil 600 may be electrically connected to the upper elastic member 700. One end and the other end of the first coil 500 can be drawn out from the coil block. One end of the first coil 500 may be electrically connected to the first upper elastic member 710. The other end of the first coil 500 may be electrically connected to the second upper elastic member 720. A current circuit can be formed by the first coil 500, the upper elastic member 700, the wire 400, and the substrate 1000. The current may be supplied to the first coil 500 through the wire 400 and the upper elastic member 700 on the substrate 1000. In this case, the direction, intensity, and wavelength of the current supplied from the substrate 1000 can be controlled by the control unit of the camera module.

The upper elastic member 700 may be a plate spring. The upper elastic member 700 may be disposed on the housing 200 and the bobbin 500. The upper elastic member 700 may be disposed on the upper surface of the housing 200 and the upper surface of the bobbin 500. The upper elastic member 700 can engage with the upper surface of the housing 200 and the upper surface of the bobbin 500. The upper elastic member 700 may connect the housing 200 to the bobbin 500. The upper elastic member 700 can elastically support the bobbin 500. The upper elastic member 700 may be electrically connected to the first coil 600. The upper elastic member 700 may be electrically connected to the wire 400.

The upper elastic member 700 may include a first upper elastic member 710 and a second upper elastic member 720. The first upper elastic member 710 and the second upper elastic member 720 may be spaced apart from each other. The first upper elastic member 710 and the second upper elastic member 720 may be electrically connected to the first coil 600, respectively. The first upper elastic member 710 may be electrically connected to one of the first wire 410 and the third wire 430. The second upper elastic member 710 may be electrically connected to the second wire 420 and the fourth wire 440. One of the first upper elastic member 710, the first wire 410, and the third wire 430 may be a (+) conductive line. One of the second upper elastic member 720, the second wire 420, and the fourth wire 440 may be a (-) conductive line.

The first upper elastic member 710 may include a first-first coupling portion 711, a first-second coupling portion 712, and a first coupling portion 713. The 1-1 coupler 711 may be disposed on the upper surface of the housing 200 and may be coupled to the upper surface of the housing 200. The first 1-2 coupling portion 712 may be disposed on the upper surface of the bobbin 500 and may engage with the upper surface of the bobbin 500. The first 1-2 coupling portion 712 may be located inside the 1-1 coupling portion 711. One end of the first coil 600 may be soldered to the first and second coupling portions 712. The first 1-2 coupling portion 712 may be electrically connected to one end of the first coil 600. The first connecting portion 713 can elastically connect the first-first connecting portion 711 and the first-second connecting portion 712. The first 1-2 coupling portion 712 and the first connection portion 713 may be separated into two or more mutually spaced apart members.

The second upper elastic member 720 may include a second-first coupling portion 721, a second-second coupling portion 722, and a second coupling portion 723. [ The second-first coupling portion 721 may be disposed on the upper surface of the housing 200 and may engage with the upper surface of the housing 200. The 2-2 coupling portion 722 may be disposed on the upper surface of the bobbin 500 and may engage with the upper surface of the bobbin 500. The second-second coupling portion 722 may be located inside the second-first coupling portion 721. The other end of the first coil 600 may be soldered to the second-second coupling portion 722. The second-second coupling portion 722 may be electrically connected to the other end of the first coil 600. The second connection portion 723 can elastically connect the second-first coupling portion 721 and the second-second coupling portion 722. The second-second coupling portion 722 and the second coupling portion 723 may be separated into two or more members that are spaced apart from each other.

The lower elastic member 800 may be a plate spring. The lower elastic member 800 may be disposed below the housing 200 and the bobbin 500. The lower elastic member 800 may be disposed on the lower surface of the housing 200 and the lower surface of the bobbin 500. The lower elastic member 800 can engage with the lower surface of the housing 200 and the lower surface of the bobbin 500. The lower elastic member 800 can connect the housing 200 to the bobbin 500. The lower elastic member 800 may elastically support the bobbin 500. [

The lower elastic member 800 may include a first engagement portion 810, a second engagement portion 820, and a connection portion 830. The first coupling portion 810 may be disposed on the lower surface of the housing 200 and may engage with the lower surface of the housing 200. The second coupling portion 820 may be disposed on the lower surface of the bobbin 500 and may engage with the lower surface of the bobbin 500. The second coupling portion 820 may be located inside the first coupling portion 810. The connecting portion 830 can elastically connect the first engaging portion 810 and the second engaging portion 820. The second coupling portion 820 and the coupling portion 830 may be separated into two or more members that are spaced apart from each other.

The base 900 may be disposed under the cover 100. The base 900 can support the cover 100. The cover (100) may be disposed on the base (900). The base 900 may be disposed under the housing 200 and the bobbin 500. The base 900 may be spaced downwardly from the housing 200 and the bobbin 500. The substrate 1000 may be disposed on the upper surface of the base 900.

The base 900 includes a body 910, a first groove 920, a second groove 930, a third groove 940, a fourth groove 950, a fifth groove 960, a sixth groove 970 A first terminal supporting portion 971, a seventh groove 980 and a second terminal supporting portion 981. The first terminal supporting portion 971,

The body 910 may be roughly in the form of a square plate. A hole 901 may be formed at the center of the body 910. The light transmitted through the lens module through the hole 901 of the body 910 can be irradiated to the image sensor. The first side plate 120, the second side plate 130, the third side plate 140, and the fourth side plate 150 of the cover 100 may be disposed on the body 910. The upper surface of the body 910 and the lower surfaces of the first side plate 120, the second side plate 130, the third side plate 140 and the fourth side plate 150 can be opposed to each other. An adhesive may be applied between the upper surface of the body 910 and the lower surfaces of the first side plate 120, the second side plate 130, the third side plate 140 and the fourth side plate 150. The upper surface of the body 910 and the lower surfaces of the first side plate 120, the second side plate 130, the third side plate 140 and the fourth side plate 150 can contact each other. The substrate 1000 may be disposed on the upper surface of the body 910. In this case, the substrate 1000 may be disposed in the cover 100 and positioned inside the first side plate 120, the second side plate 130, the third side plate 140, and the fourth side plate 150 .

The body 910 can be divided into an upper end U and a lower end L by a height difference of an upper surface. The lower end L of the body 910 may be positioned at the edge of the upper end U of the body 910. [ The lower end L of the body 910 may protrude outward from the outer surface of the upper end U of the body 910. The upper surface of the lower end L of the body 910 may be positioned lower than the upper surface of the upper end U of the body 910. [

The substrate 1000 may be disposed on the upper surface of the upper portion H of the body 910. The first side plate 120, the second side plate 130, the third side plate 140 and the fourth side plate 150 of the cover 100 may be disposed on the lower end portion L of the body 910. [ The upper surface of the lower end portion L of the body 910 and the lower surfaces of the first side plate 120, the second side plate 130, the third side plate 140 and the fourth side plate 150 can face each other. The adhesive may be applied between the upper surface of the lower end portion L of the body 910 and the lower surfaces of the first side plate 120, the second side plate 130, the third side plate 140 and the fourth side plate 150. The upper surface of the lower end portion L of the body 910 and the lower surfaces of the first side plate 120, the second side plate 130, the third side plate 140 and the fourth side plate 150 can contact each other.

The first protrusion 121 of the cover 100 may be disposed in the first groove 920. An adhesive may be applied to the first groove 920. The first groove 920 may include a first groove 921 and a first groove 922.

The first groove 921 may extend in the vertical direction. The first groove 921 may extend from the upper surface of the body 910 to the lower surface of the body 910. The first groove (921) may be formed by recessing the outer surface of the body (910) (the outer surface of the body is formed so as to enter inward). The first groove 921 may extend from the upper surface of the upper end U of the body 910 to the lower surface of the lower end L of the body 910. The first groove 921 may be formed by recessing the outer surface of the upper end U of the body 910 and the outer surface of the lower end L of the body 910 Is formed so that the outer surface of the lower end portion of the cover member is inserted inward. In the first groove 921, a portion protruding downward from the lower surface of the first side plate 120 at the first projection 121 may be disposed.

The first-second groove 922 may extend in the horizontal direction. The first-second groove 922 may extend to one side from the bottom of the first-groove 921. The first-second groove 922 may extend perpendicular to the direction in which the first-first groove 921 extends. The first and second grooves 922 may extend perpendicularly to the outer surface of the body 910. The first-second groove 922 may extend in a direction in which the third-second groove 942 is located in the lower part of the first-first groove 921. The first and second grooves 922 may be formed by recessing the lower surface of the body 910 (formed so that the lower surface of the body goes upward). The first and second grooves 922 may be positioned at a lower end L of the body 910. The first and second grooves 922 may be formed by depressing the lower surface of the lower end L of the body 910 (the lower surface of the lower end of the body is formed so as to enter the upper side). The first projection 121 may be curved or bent along the first-second groove 922. The first-second groove 922 may extend beyond the end of the first projection 121. As a result, there may be a redundant space S (see FIG. 12) extending beyond the first projection 121 in the first-second groove 922. An adhesive is applied to the excess space S formed in this way, so that the first projection 121 can be stably fixed to the base 900.

In the modification (not shown) of this embodiment, the first and second grooves 922 include a first accommodating portion in which the first projecting portion 121 is disposed and a second accommodating portion located under the first accommodating portion and coated with an adhesive . The second accommodating portion is further extended in the first groove 921 than the first accommodating portion, so that a sufficient adhesive applying space can be secured.

The second protrusion 122 of the cover 100 may be disposed in the second groove 930. An adhesive may be applied to the second groove 930. The second groove 930 may include a second-1 groove 931 and a second-2 groove 932.

The second-1 groove 931 may extend in the vertical direction. The second groove 931 may extend from the upper surface of the body 910 to the lower surface of the body 910. The second-1 groove 921 may be formed by recessing the outer surface of the body 930 (the outer surface of the body is formed so as to enter inward). The second groove 931 may extend from the upper surface of the upper end U of the body 910 to the lower surface of the lower end L of the body 910. The second-1 groove 931 may be formed by recessing the outer surface of the upper end U of the body 910 and the outer surface of the lower end L of the body 910 (the outer surface of the upper end of the body, Is formed so that the outer surface of the lower end portion of the cover member is inserted inward. A portion of the second protrusion 122 protruding downward from the lower surface of the first side plate 120 may be disposed in the second-1 groove 931.

The second-second grooves 932 may extend in the horizontal direction. The second-2 groove 932 may extend to one side from the lower portion of the second-1 groove 931. The second-2 groove 932 may extend perpendicularly to the direction in which the second-1 groove 931 extends. The second-second groove 932 may extend perpendicularly to the outer surface of the body 910. The second-second groove 932 may extend in a direction in which the fourth-second groove 952 is located in the lower portion of the second-first groove 931. The second-second groove 932 may be formed by recessing the lower surface of the body 910 (the lower surface of the body is formed so as to enter the upper side). The second-second groove 932 may be positioned at the lower end L of the body 910. [ The second-second groove 932 may be formed by recessing the lower surface of the lower end L of the body 910 (the lower surface of the lower end of the body is formed so as to enter the upper side). The second protrusion 122 may be curved or bent along the second-second groove 932. The second-second groove 932 may extend beyond the end of the second projection 122. As a result, a surplus space extending beyond the second projection 122 may exist in the second-second groove 932. An adhesive is applied to the excess space thus formed, so that the second projection 122 can be stably fixed to the base 900.

In the modification (not shown) of this embodiment, the second-second groove 932 includes a first accommodating portion in which the second protruding portion 122 is disposed and a second accommodating portion located under the first accommodating portion and coated with an adhesive agent . The second accommodating portion is further extended in the second-1 groove 931 than the first accommodating portion, so that a sufficient adhesive applying space can be secured.

The fourth protrusion 131 of the cover 100 may be disposed in the third groove 940. An adhesive may be applied to the third groove 940. The third groove 940 may include a third-first groove 941 and a third-second groove 942.

The 3-1 groove 941 may extend in the vertical direction. The third groove (941) may extend from the upper surface of the body (910) to the lower surface of the body (910). The third (3-1) groove 941 may be formed by recessing the outer surface of the body 910 (the outer surface of the body is formed so as to enter inward). The 3-1 groove 941 may extend from the upper surface of the upper end U of the body 910 to the lower surface of the lower end L of the body 910. The 3-1 groove 941 may be formed by recessing the outer surface of the upper end U of the body 910 and the outer surface of the lower end L of the body 910 Is formed so that the outer surface of the lower end portion of the cover member is inserted inward. A portion of the third protrusion 131 projecting downward from the lower surface of the second side plate 130 may be disposed in the 3-1 groove 941.

The third-second grooves 942 may extend in the horizontal direction. The third-second grooves 942 may extend to one side from the bottom of the third-first grooves 941. The third-second grooves 942 may extend perpendicularly to the direction in which the third-first grooves 941 extend. The third-second grooves 942 may extend perpendicularly to the outer surface of the body 910. The third-second grooves 942 may extend in the direction in which the first-second grooves 922 are located in the lower part of the third-first grooves 941. The third-second groove 942 can be formed by recessing the lower surface of the body 910 (formed so that the lower surface of the body goes upward). The third-second groove 942 may be located at the lower end L of the body 910. [ The third groove (942) may be formed by recessing the lower surface of the lower end (L) of the body (910) so that the lower surface of the lower end of the body is inserted upward. The third projection 131 may be curved or bent along the third-second grooves 942. The third-second groove 942 may extend beyond the end of the third projection 131. As a result, a surplus space extending beyond the third projection 131 may exist in the third-second groove 942. An adhesive is applied to the excess space thus formed, so that the third projection 131 can be stably fixed to the base 900.

In the modification (not shown) of this embodiment, the third-second groove 942 includes a first accommodating portion in which the third projecting portion 131 is disposed and a second accommodating portion located under the first accommodating portion and to which the adhesive is applied . The second accommodating portion can be extended further in the third-trench 941 than the first accommodating portion to secure a sufficient adhesive application space.

The fourth protrusion 132 of the cover 100 may be disposed in the fourth groove 950. The fourth groove 950 may be coated with an adhesive. The fourth groove 950 may include a 4-1 groove 951 and a 4-2 groove 952.

The 4-1 groove 951 may extend in the vertical direction. The 4-1 groove 951 may extend from the upper surface of the body 910 to the lower surface of the body 910. The 4-1th groove 951 may be formed by recessing the outer surface of the body 910 (the outer surface of the body is formed so as to enter inward). The 4-1 groove 951 may extend from the upper surface of the upper end U of the body 910 to the lower surface of the lower end L of the body 910. The 4-1 groove 951 may be formed by recessing the outer surface of the upper end U of the body 910 and the outer surface of the lower end L of the body 910 Is formed so that the outer surface of the lower end portion of the cover member is inserted inward. A portion of the fourth protrusion 132 protruding downward from the lower surface of the second side plate 130 may be disposed in the 4-1 groove 951.

The fourth-trenches 952 may extend in the horizontal direction. The fourth-trench 952 may extend to one side from the bottom of the fourth-trench 951. The fourth-trenches 952 may extend perpendicularly to the direction in which the fourth-trenches 951 extend. The fourth 4-2 groove 952 may extend perpendicularly to the outer surface of the body 910. The fourth-trench 952 may extend in the direction in which the second-second trench 932 is located at the bottom of the fourth-trench 951. The fourth 4-2 groove 952 can be formed by recessing the lower surface of the body 910 (formed so that the lower surface of the body goes upward). And the fourth 4-2 groove 952 may be located at the lower end L of the body 910. [ The fourth 4-2 groove 952 can be formed by recessing the lower surface of the lower end L of the body 910 (the lower surface of the lower end of the body is formed so as to enter the upper side). The fourth protrusion 132 may be curved or bent along the fourth-trench 952. The fourth 4-2 groove 952 may extend beyond the end of the fourth projection 132. As a result, a surplus space extending beyond the fourth protrusion 132 may exist in the 4-2th groove 952. The adhesive agent is applied to the excess space S thus formed, so that the fourth protrusion 132 can be stably fixed to the base 900. [

In the modification (not shown) of this embodiment, the 4-2th groove 952 includes a first accommodating portion in which the fourth protrusion 132 is disposed and a second accommodating portion located under the first accommodating portion and to which an adhesive is applied . The second receiving portion can be extended further in the 4-1th groove (951) than the first receiving portion to secure a sufficient adhesive application space.

The ground terminal 141 of the cover 100 may be disposed in the fifth groove 960. The fifth groove 960 may be coated with an adhesive. The fifth groove 960 may be positioned adjacent to the sixth groove 970. The fifth groove 960 may be connected to the sixth groove 970.

The fifth groove 960 may be formed by recessing the outer surface of the body 910 (the outer surface of the body is formed so as to enter inward). The fifth groove 960 may be formed by recessing the outer surface of the upper end U of the body 910 and the outer surface of the lower end L of the body 910 (the outer surface of the upper end of the body and the lower end Is formed so as to enter the inner side). A portion protruding downward from the lower surface of the third side plate 140 at the ground terminal 141 may be disposed in the fifth groove 960. The outer surface of the body 910 located in the fifth groove 960 and the inner surface of the ground terminal 141 can be opposed to each other. An adhesive may be applied between the outer surface of the body 910 located in the fifth groove 960 and the inner surface of the ground terminal 141. The outer surface of the body 910 located in the fifth groove 960 and the inner surface of the ground terminal 141 can be in contact with each other.

The first terminal 1110 of the first substrate 1100 of the substrate 1000 may be disposed in the sixth groove 970. The sixth groove 970 may be positioned adjacent to the fifth groove 960. The sixth groove 970 may be connected to the fifth groove 960.

The sixth groove 970 may be formed by recessing the outer surface of the body 910 (the outer surface of the body is formed so as to enter inward). The sixth groove 970 may be formed by recessing the outer surface of the upper end U of the body 910 and the outer surface of the lower end L of the body 910 (the outer surface of the upper end of the body and the lower end Is formed so as to enter the inner side). The first terminal supporting portion 971 may be positioned in the sixth groove 970.

The first terminal support 971 may be located in the sixth groove 970. The first terminal support 971 may be in the form of a flat plate extending downward from the sixth groove 970. The first terminal support portion 971 can support the first terminal 1110. The upper portion (at least a part) of the outer side surface of the first terminal supporting portion 971 can be opposed to the inner side surface of the third side plate 140 of the cover 100. [ An adhesive may be applied between the outer surface of the first terminal support portion 971 and the inner surface of the first terminal 1110. The outer surface of the first terminal supporting portion 971 and the inner surface of the first terminal 1110 can contact each other.

The second terminal 1120 of the first substrate 1100 of the substrate 1000 may be disposed in the seventh groove 980.

The seventh groove 980 may be formed by recessing the outer surface of the body 910 (the outer surface of the body is formed so as to enter inward). The seventh groove 960 may be formed by recessing the outer surface of the upper end U of the body 910 and the outer surface of the lower end L of the body 910 (the outer surface of the upper end of the body and the lower end Is formed so as to enter the inner side).

The second terminal support 981 may be located in the seventh groove 980. The second terminal support 981 may be in the form of a flat plate extending downward from the seventh groove 980. And the second terminal supporting portion 981 can support the second terminal 1120. The upper portion (at least a part) of the outer side surface of the second terminal supporting portion 981 may be opposed to the inner side surface of the fourth side plate 150 of the cover 100. [ An adhesive may be applied between the outer surface of the second terminal support 981 and the inner surface of the second terminal 1120. The outer surface of the second terminal supporting portion 981 and the inner surface of the second terminal 1120 can contact each other.

The substrate 1000 can be placed on top of the base 900. The substrate 1000 may be disposed below the housing 200 and the bobbin 500. A lower elastic member 800 may be positioned between the substrate 1000 and the housing 200. The lower end of the wire 400 may be fixed to the substrate 1000. In this case, the lower end of the wire 400 may extend through the substrate 1000 to the base 900. The substrate 1000 may be electrically connected to the wire 400. The second coil 1300 may be mounted on the substrate 1000. The substrate 1000 may be electrically connected to the main substrate of the camera module. The substrate 1000 may receive current from the main substrate and transfer the current to the wire 400. The substrate 1000 may receive current from the main substrate and transfer the current to the second coil 13000. In this case, intensity, direction and amplitude of the current transmitted from the substrate 1000 can be controlled by a control unit of the camera module.

The substrate 1000 may include a first substrate 1100 and a second substrate 1200. The first substrate 1100 may be a flexible printed circuit board (FPCB). The first substrate 1100 may be in the form of a square plate having a hole 1101 at the center thereof. The light transmitted through the lens module through the hole 1101 of the first substrate 1100 can be irradiated to the image sensor. The first substrate 1100 may be disposed under the second substrate 1200. The first substrate 1100 may be electrically connected to the second substrate 1200. The first substrate 1100 may include a first terminal 1110 and a second terminal 1120. The first terminal 1110 and the second terminal 1120 may be electrically connected to the main board of the camera module. The first substrate 1100 may be disposed on the base 900. The first substrate 1100 may be disposed on the upper surface of the body 910 of the base 900. The first substrate 1100 may be disposed on the upper surface of the upper end U of the body 910 of the base 900. The second substrate 1200 may be a printed circuit board (PCB). The second substrate 1200 may be disposed under the housing 200. And the second substrate 1200 may be disposed under the lower elastic member 800. [ A second coil 1300 may be mounted on the second substrate 1200.

Meanwhile, in the lens driving apparatus 10 of the present embodiment, the first terminal 1110 and the second terminal 1120 may be arranged in various ways at design request. Either the first terminal 1110 or the second terminal 1120 may be omitted and both the first terminal 1110 and the second terminal 1120 may be connected to the body 910 of the base 900 The sixth groove 970 (one side outer side), or the seventh groove 980 (the other side outer side). In this case, the first terminal 1110 and the second terminal 1120 may be disposed adjacent to each other.

The second coil 1300 may be a pattern coil mounted on the second substrate 1200. The second coil 1300 may face the magnet 300. The second coil 1300 may electromagnetically interact with the magnet 300 to apply driving force to the housing 200 when an electric current is applied thereto. The second coil 1300 may include a second-1 coil 1310, a second -2 coil 1320, a second-third coil 1330, and a 2-4 coil 1340. The second coil 1 13 may be opposed to the first magnet 310 and may electromagnetically interact with the first magnet 310. The second -2 coil 1320 may face the second magnet 320 and may be electromagnetically interacted with the second magnet 320. The second-third coil 1330 may be opposed to the third magnet 330 and may electromagnetically interact with the third magnet 330. The second 2-4 coil 1340 may face the fourth magnet 340 and may electromagnetically interact with the first magnet 340.

The sensor 1400 may be a Hall sensor. The sensor 1400 can sense the magnetic force of the magnet 300. The sensor 1400 can detect the position of the housing 200 by sensing the magnetic force of the magnet 300. The position information of the housing 200 sensed by the sensor 1400 can be transmitted to the controller of the camera module. The control unit can drive the housing 200 according to the position information of the housing 200 sensed by the sensor 1400. [ That is, the position information of the housing 200 is fed back by the sensor 1400 so that the hand shake correction function can be performed.

The sensor 1400 may be mounted on the first substrate 1100. The sensor 1400 may be disposed on the lower surface of the first substrate 1100 and may be received in the base 900. In this case, the sensor 1400 can be received in the sensor receiving portion formed on the upper surface of the body 910 of the base 900. More specifically, the sensor 1400 may be received in a sensor receiving portion formed on the upper surface of the upper end U of the body 910 of the base 900.

The sensor 1400 may include a first sensor 1410 and a second sensor 1420. The first sensor 1410 and the second sensor 1420 can be mounted on the first substrate 1100 and can be accommodated in the base 900.

The lens driving apparatus 10 of the present embodiment is configured such that the first to fourth projections 121, 122, 131 and 132 of the cover 100 are engaged with the first to fourth grooves 920, 930, 940, 950 So that the cover 100 can be fixed to the base 900. As a result, in the lens driving apparatus 10 of the present embodiment, the cover 100 can be stably fixed to the base 900.

In the lens driving apparatus 10 of the present embodiment, the first to fourth projections 121, 122, 131 and 132 of the cover 100 and the first to fourth grooves 920, 930 and 940 of the base 900 , 950) may have various forms.

For example, any one of the first and second projections 121 and 122 and the third and fourth projections 131 and 132 of the cover 100 may be omitted, and the first and second projections 121 and 122 of the base 100 may be omitted. Two of the fourth grooves 920, 930, 940 and 950 may be omitted.

Any one of the first to fourth projections 121, 122, 131 and 132 of the cover 100 may be omitted and the first to fourth grooves 920, 930, 940, and 950 may be omitted.

Furthermore, one or more protrusions may be located on either the third sidewall 140 of the cover 100 and the fourth sidewall 150 of the cover 100. The protrusions may be located on one or more of both the third sidewall 140 of the cover 100 and the fourth sidewall 150 of the cover 100.

Further, three projecting portions may be disposed on one sidewall of the cover 100 instead of two, and a plurality of protruding portions may be disposed on all the side walls of the cover 100.

In other words, it has various forms within a range that can be easily derived by simple design change of an ordinary technician.

As described above, the case where the lens driving apparatus 10 of the present embodiment can perform both the autofocus function and the hand shake correction function has been exemplified. Hereinafter, the lens driving apparatus 10 of the present embodiment in which the hand shake correction function is omitted will be described.

In this case, the wire 400, the substrate 1000, the second coil 1300, and the sensor 1400 for the hand shake correction function may be omitted. In this case, the first coil 600 and the lower elastic member 800 can be electrically connected, and the lower elastic member 800 and the main board of the camera module can be electrically connected.

To this end, the lower elastic member 800 may include two spaced-apart first lower elastic members and a second lower elastic member (positive conductive line and negative conductive line, voltage terminal and ground terminal). In this case, the first lower elastic member may include a first terminal electrically connected to the main board of the camera module, and the second lower elastic member may include a second terminal electrically connected to the main board of the camera module . The first terminal and the second terminal may be disposed together in the sixth groove 970 or the seventh groove 980 of the body 910 of the base 900 or may be spaced apart from each other to form the sixth groove 970 and the seventh groove 980, Grooves 980, respectively. Meanwhile, one end of the first coil 600 may be soldered to the first lower elastic member, and the other end of the first coil 600 may be soldered to the second lower elastic member.

And may be transmitted to the first coil 600 through the lower elastic member 800 when a driving current is applied from the main substrate. Electromagnetic force (driving force) is generated in the first coil 600 by the electromagnetic interaction between the first coil 600 and the magnet 300. Accordingly, the bobbin 500 is moved in one direction (one direction, Or the other side (both directions, upper side and lower side) in the direction of the optical axis, and the autofocus function can be performed.

The lens driving apparatus 10 performing the autofocus function may omit at least one of the housing 200, the upper elastic member 700, and the lower elastic member 800 according to the optical structural and electrical design. For example, when the housing 200 is omitted, the magnet 300 may be attached to the first side plate 120, the second side plate 130, the third side plate 140, and the fourth side plate 150 of the cover 100 The second side plate 130, the third side plate 140 and the fourth side plate 150 of the cover 100. The first side plate 120, the second side plate 130, the third side plate 140,

Furthermore, in the lens driving apparatus 10 performing the autofocus function, the arrangement of the first coil 600 and the magnet 300 may be reversed. For example, the first coil 600 may be disposed on the housing 200 or the cover 100, and the magnet 300 may be disposed on the bobbin 500.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments. That is, within the scope of the present invention, all of the components may be selectively coupled to one or more of them. Furthermore, the terms "comprises", "comprising", or "having" described above mean that a component can be implanted unless otherwise specifically stated, But should be construed as including other elements. All terms, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used terms, such as predefined terms, should be interpreted to be consistent with the contextual meanings of the related art, and are not to be construed as ideal or overly formal, unless expressly defined to the contrary.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

Claims (10)

cover;
A bobbin disposed in the cover;
A first coil disposed in the bobbin;
A magnet opposed to the first coil; And
And a base disposed under the cover,
Wherein the cover includes a top plate, a first side plate extending downwardly from the top plate, and a first protrusion positioned on a bottom surface of the first side plate, the base including a body on which the first side plate is disposed, And a second groove,
Wherein the first projection is bent or bent partly in the first groove.
The method according to claim 1,
Wherein the first groove is formed by recessing the lower surface of the body, and the first projection is protruded downward from a lower surface of the first side plate and is bent or bent toward the first groove.
The method according to claim 1,
Wherein the first projection includes a first 1-1 portion protruding downward from a lower surface of the first side plate and a 1-2 first portion bent or bent in the first 1-1 portion,
Wherein the first groove is formed by recessing the outer surface of the body and includes a first groove in which the first part is disposed and a second groove formed in the lower part of the body, A lens driving apparatus comprising a 1-2 groove.
The method of claim 3,
The first 1-1 groove extends from the upper surface of the body to the lower surface of the body, and the 1-2 groove extends from the 1-1 groove to one side.
5. The method of claim 4,
And the 1-2 th groove extends perpendicularly to a direction in which the 1-1 groove is extended from a lower portion of the 1-1 th groove.
The method according to claim 1,
The body is divided into an upper end portion and a lower end portion by a height difference of an upper surface of the body, the lower end portion is located at an edge of the upper end portion, the first side plate is disposed at the lower end portion, And the first projecting portion is protruded downward from a lower surface of the first side plate and is bent or bent toward the first groove.
The method according to claim 6,
Wherein the first projection includes a first 1-1 portion protruding downward from a lower surface of the first side plate and a 1-2 first portion bent or bent in the first 1-1 portion,
Wherein the first groove is formed by recessing the outer surface of the upper end portion of the body and the lower surface of the lower end portion of the body and includes a first 1-1 groove in which the first portion 1-1 is disposed, And a second 1-2 groove in which the first and second portions are formed.
The method according to claim 1,
The cover includes a second side plate extending downward from the upper plate and positioned on the opposite side of the first side plate, a second projection located on a lower surface of the first side plate and spaced apart from the first projection, And a third protrusion located on a lower surface of the second side plate and spaced apart from the third protrusion,
The base further comprises a second groove in which the second projection is arranged, a third groove in which the third projection is arranged, and a fourth groove in which the fourth projection is arranged,
Wherein the first projection and the third projection are opposed to each other, and the second projection and the fourth projection are opposed to each other.
cover;
A bobbin disposed in the cover;
A lens module disposed in the bobbin;
A first coil disposed in the bobbin;
A magnet opposed to the first coil;
A base disposed below the cover;
A main board disposed below the base; And
And an image sensor mounted on the main board,
Wherein the cover includes a top plate, a first side plate extending downwardly from the top plate, and a first protrusion positioned on a bottom surface of the first side plate, the base including a body on which the first side plate is disposed, And a second groove,
Wherein the first protrusion is partially bent or bent to be disposed in the first groove.
main body;
A display panel disposed on one surface of the main body;
And a camera module disposed in the main body and electrically connected to the display panel,
The camera module includes:
cover;
A housing disposed within the cover;
A lens module disposed in the bobbin;
A first coil disposed in the bobbin;
A magnet opposed to the first coil;
A base disposed below the cover;
A main board disposed below the base; And
And an image sensor mounted on the main board,
Wherein the cover includes a top plate, a first side plate extending downwardly from the top plate, and a first protrusion positioned on a bottom surface of the first side plate, the base including a body on which the first side plate is disposed, And a second groove,
Wherein the first projection is bent or bent partly in the first groove.

Images