KR20230042257A - A reflecting module for optical image stabilization and camera module including same - Google Patents

Abstract

A reflecting module for optical image stabilization according to an embodiment of the present invention includes: a housing; a reflecting member that changes the path of incident light; a rotation holder provided in the housing and to which the reflecting member is mounted; a rotation plate provided between the inner wall of the housing and the rotation holder and rotatably with respect to the housing; and a driving part providing a driving force for rotating the rotation holder to the rotation holder to rotate the reflection member about first and second axes perpendicular to each other. The rotation holder may be supported on the inner wall of the housing in a third axis direction perpendicular to the first axis and the second axis via the rotation plate.

Description

Image stabilization reflective module and camera module including the same

The present invention relates to an image stabilization reflective module and a camera module including the same.

In recent years, cameras have been basically employed in portable electronic devices such as smart phones, tablet PCs, and notebooks, and an auto-focus function, an image stabilization function, and a zoom function have been added to cameras for mobile terminals.

However, in order to implement various functions, the structure of the camera module becomes complicated and the size increases, so there is a problem that the size of the portable electronic device on which the camera module is mounted also increases.

In addition, when the lens or image sensor is directly moved for hand-shake correction, the weight of the lens or image sensor itself and the weight of other members to which the lens or image sensor is attached must be considered, so a driving force of a certain level or more is required. , there is a problem that power consumption becomes severe.

An object according to an embodiment of the present invention is to provide a camera module that has a simple structure and can be reduced in size while implementing functions such as auto focus adjustment, zoom, and image stabilization, and a portable electronic device including the same.

In addition, it is to provide a camera module capable of minimizing power consumption and a portable electronic device including the same.

An image stabilization reflective module according to an embodiment of the present invention includes a housing; a reflective member that changes the path of incident light; a rotating holder provided in the housing and to which the reflective member is mounted; a rotation plate provided between the inner wall of the housing and the rotation holder and rotatably with respect to the housing; and a driving unit providing a driving force for rotating the rotation holder to the rotation holder so that the reflection member is rotatable about first and second axes perpendicular to each other, wherein the rotation holder includes the rotation plate as a medium. It may be supported on the inner wall of the housing in a third axis direction perpendicular to the first axis and the second axis.

An image stabilization reflective module according to another embodiment of the present invention includes a housing; a rotating holder accommodated in the housing and including a reflective member; a ball bearing provided between the housing and the rotating holder; and a driving unit providing a driving force to the rotation holder so that the reflection member is rotatable about the first axis and the second axis, wherein the rotation holder includes a pulling magnet or a pulling yoke, and the housing includes a pulling yoke or a pulling yoke. A pulling magnet is provided, and the rotating holder may be supported on an inner wall of the housing facing a third axis direction perpendicular to the first axis and the second axis.

An image stabilization reflective module according to another embodiment of the present invention includes a housing; a rotating holder disposed in the housing; a reflective member disposed on the rotating holder; and a driving unit configured to rotate the driving holder with respect to the housing so that the reflection member is rotatable about a first axis and a second axis, wherein the rotation holder is provided with a pulling magnet or a pulling yoke, and the housing is provided with a pulling yoke or a pulling magnet, and the rotating holder faces the inner wall of the housing with a third axis perpendicular to the first axis and the second axis, and may be supported by the inner wall of the housing.

In addition, a camera module according to an embodiment of the present invention includes a lens module including a plurality of lenses; and the above-described hand-shake correcting reflective module for reflecting the light incident to the reflective member toward the plurality of lenses of the lens module.

A camera module according to an embodiment of the present invention and a portable electronic device including the camera module have a simple structure and can be reduced in size while implementing functions such as auto focus adjustment, zoom, and image stabilization. In addition, power consumption can be minimized.

1 is a perspective view of a portable electronic device according to an embodiment of the present invention;
2 is a perspective view of a camera module according to a first embodiment of the present invention;
3a and 3b are cross-sectional views of a camera module according to a first embodiment of the present invention;
4 is an exploded perspective view of a camera module according to a first embodiment of the present invention;
5 is a perspective view of a housing of a camera module according to a first embodiment of the present invention;
6A and 6B are exploded perspective views of a rotating plate and a rotating holder of a camera module according to a first embodiment of the present invention;
7 is a perspective view of a lens holder of a camera module according to a first embodiment of the present invention;
8 is a combined perspective view of the camera module according to the first embodiment of the present invention except for the cover;
9 is a perspective view of a combination of a housing and a substrate in a camera module according to a first embodiment of the present invention;
10 is an exploded perspective view of a housing and a rotating holder in a camera module according to a first embodiment of the present invention;
11A to 11C are views schematically showing how the rotation holder according to the first embodiment of the present invention is rotated based on a first axis,
12a to 12c are views schematically showing how the rotation holder according to the first embodiment of the present invention is rotated about a second axis,
13 is an exploded perspective view of a camera module according to a second embodiment of the present invention;
14 is an exploded perspective view showing a coupling relationship between a housing and a rotating holder of a camera module according to a second embodiment of the present invention;
15A to 15C are diagrams schematically showing how the rotation holder according to the second embodiment of the present invention is rotated about a first axis;
16A to 16C are diagrams schematically showing how the rotation holder according to the second embodiment of the present invention is rotated about a second axis,
17 is an exploded perspective view of a camera module according to a third embodiment of the present invention;
18 is an exploded perspective view showing a coupling relationship between a housing and a rotating holder of a camera module according to a third embodiment of the present invention;
19a to 19c are views schematically showing how the rotation holder according to the third embodiment of the present invention is rotated about a first axis,
20a to 20c are views schematically showing how the rotation holder according to the third embodiment of the present invention is rotated about a second axis,
21 is an exploded perspective view of a camera module according to a fourth embodiment of the present invention;
22 is an exploded perspective view showing a coupling relationship between a housing and a rotating holder of a camera module according to a fourth embodiment of the present invention;
23 is an exploded perspective view of a camera module according to a fifth embodiment of the present invention;
24 is an exploded perspective view showing a coupling relationship between a housing and a rotating holder of a camera module according to a fifth embodiment of the present invention;
25 is a perspective view of a portable electronic device according to another embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. However, the spirit of the present invention is not limited to the presented examples.

For example, those skilled in the art who understand the spirit of the present invention may suggest other embodiments included within the scope of the spirit of the present invention through the addition, change, or deletion of components, but this is also within the spirit of the present invention. would be considered within the scope.

1 is a perspective view of a portable electronic device according to an embodiment of the present invention.

Referring to FIG. 1, a portable electronic device 1 according to an embodiment of the present invention is a mobile communication terminal equipped with camera modules 1000-1001, 1002, 1003, 1004, and 1005, a smart phone, a tablet PC, and the like. It may be a portable electronic device.

As shown in FIG. 1 , a camera module 1000 is mounted in the portable electronic device 1 to capture a subject.

In this embodiment, the camera modules 1000-1001, 1002, 1003, 1004, and 1005 include a plurality of lenses, and the optical axis (Z-axis) of the lens is in the thickness direction (Y-axis direction, It may be directed in a direction perpendicular to a direction from the front surface of the portable electronic device to the rear surface or the opposite direction).

For example, the optical axis (Z-axis) of the plurality of lenses provided in the camera module 1000 may be formed in the width direction or length direction of the portable electronic device 1 (X-axis direction or Z-axis direction).

Therefore, even if the camera module 1000 has functions such as auto focusing (AF), zoom, and optical image stabilizing (OIS), the thickness of the portable electronic device 1 increases. you can avoid doing that. Accordingly, miniaturization of the portable electronic device 1 is possible.

The camera module 1000 according to an embodiment of the present invention may include at least one of AF, Zoom, and OIS functions.

Since the camera module 1000 having AF, Zoom, and OIS functions should be equipped with various parts, the size of the camera module is increased compared to a general camera module.

If the size of the camera module 1000 increases, it may become a problem in downsizing the portable electronic device 1 to which the camera module 1000 is mounted.

*

For example, the camera module increases the number of stacked lenses for zoom function, and when a plurality of stacked lenses are formed in the thickness direction of the portable electronic device, the thickness of the portable electronic device increases according to the number of stacked lenses. do. Accordingly, if the thickness of the portable electronic device is not increased, the number of laminated lenses cannot be sufficiently secured, and zoom performance is weakened.

In addition, in order to implement the AF and OIS functions, it is necessary to install an actuator that moves the lens group in the direction of the optical axis or in the direction perpendicular to the optical axis. When the optical axis (Z-axis) of the lens group is formed in the thickness direction of the portable electronic device In this case, an actuator for moving the lens group must also be installed in the thickness direction of the portable electronic device. Accordingly, the thickness of the portable electronic device increases.

However, since the camera module 1000 according to an embodiment of the present invention is arranged so that the optical axis (Z-axis) of the plurality of lenses is perpendicular to the thickness direction of the portable electronic device 1, the camera module 1000 has AF, Zoom, and OIS functions. Even if the camera module 1000 is mounted, the portable electronic device 1 can be miniaturized.

2 is a perspective view of a camera module according to the first embodiment of the present invention, and FIGS. 3A and 3B are cross-sectional views of the camera module according to the first embodiment of the present invention.

Referring to FIGS. 2, 3A and 3B, the camera module 1001 according to the first embodiment of the present invention includes a reflection module 1100, a lens module 1200, and an image sensor module provided in a housing 1010 ( 1300).

The reflection module 1100 is configured to change the traveling direction of light. For example, the light incident through the opening (1031, see FIG. 3A) of the cover 1030 covering the camera module 1001 from the top is directed toward the lens module 1200 through the reflection module 1100. It can change. To this end, the reflective module 1100 may include a reflective member 1110 that reflects light.

The path of light incident through the opening 1031 is changed toward the lens module 1200 by the reflection module 1100 . For example, the path of light incident in the thickness direction (Y-axis direction) of the camera module 1001 is changed by the reflection module 1100 to substantially coincide with the optical axis (Z-axis) direction.

The lens module 1200 includes a plurality of lenses through which the light whose propagation direction is changed by the reflection module 1100 passes, and the image sensor module 1300 converts the light passing through the plurality of lenses into an electrical signal. 1310 and the printed circuit board 1320 on which the image sensor 1310 is mounted. Also, the image sensor module 1300 may include an optical filter 1340 filtering light incident from the lens module 1200 . The optical filter 1340 may be an infrared cut filter.

In the inner space of the housing 1010, the reflection module 1100 is provided in front of the lens module 1200 as the center, and the image sensor module 1300 is provided in the rear of the lens module 1200.

2 to 10, the camera module 1001 according to the first embodiment of the present invention includes a reflection module 1100, a lens module 1200, and an image sensor module 1300 provided in a housing 1010. include

Inside the housing 1010, a reflection module 1100, a lens module 1200, and an image sensor module 1300 are sequentially provided from one side to the other. Of course, an internal space is provided so that the reflection module 1100, the lens module 1200, and the image sensor module 1300 are interpolated (here, the printed circuit board 1320 having the image sensor module 1300 is the housing 1010). ) can be attached to the outside of). For example, as shown in the drawing, the housing 1010 may be integrally provided so that both the reflection module 1100 and the lens module 1200 are interpolated into the inner space. However, it is not limited thereto, and for example, separate housings interpolating the reflection module 1100 and the lens module 1200 may be interconnected.

And, the housing 1010 is covered by the cover 1030 so that the inner space is not visible.

The cover 1030 has an opening 1031 through which light enters, and the traveling direction of the light incident through the opening 1031 is changed by the reflective module 1100 and enters the lens module 1200 . The cover 1030 may be integrally provided to cover the entirety of the housing 1010 or divided into separate members covering the reflection module 1100 and the lens module 1200, respectively.

To this end, the reflective module 1100 includes a reflective member 1110 that reflects light. Then, the light incident to the lens module 1200 passes through a plurality of lenses, and then is converted into an electrical signal by the image sensor 1310 and stored.

The housing 1010 includes a reflection module 1100 and a lens module 1200 in an inner space. Thus, in the inner space of the housing 1010, a space in which the reflection module 1100 is disposed and a space in which the lens module 1200 are disposed may be distinguished from each other by the protruding wall 1007. In addition, the reflection module 1100 may be provided on the front side of the protruding wall 1007 and the lens module 1200 may be provided on the rear side. The protrusion wall 1007 may be provided in a shape protruding from both sides of the housing 1010 into the inner space from the side wall.

In the case of the reflection module 1100 provided on the front side, the rotating holder 1120 is driven by the pulling yoke 1153 provided on the inner wall surface of the housing 1010 and the pulling magnet 1151 provided on the rotating holder 1120. ) is a structure that is closely supported on the inner wall surface of the housing 1010. Here, although the drawing is omitted, a pulling magnet may be provided in the housing 1010 and a pulling yoke may be provided in the rotating folder 1120. Hereinafter, the structure shown in the drawing will be described for convenience of description.

In addition, a first ball bearing 1131, a rotating plate 1130, and a second ball bearing 1133 are provided between the inner wall surface of the housing 1010 and the rotating holder 1120. As will be described below, the first ball bearing 1131 and The second ball bearing 1133 is partially inserted into the seating grooves 1132, 1133, 1021, and 1121 to be closely attached, so when the rotation holder 1120 and the rotation plate 1130 are inserted into the inner space of the housing 1010, the rotation holder A little space is required between the 1120 and the protruding wall 1007, and after the rotation holder 1120 is mounted on the housing 1010, the rotation holder 1120 is moved to the housing by the attraction of the pulling yoke and the pulling magnet. Since it adheres to the inner wall surface of 1010, a little space remains between the rotation holder 1120 and the protruding wall 1007.

Accordingly, in this embodiment, a hook-shaped stopper 1050 inserted into the protruding wall 1007 while supporting the rotation holder 1120 may be provided (of course, even if there is no stopper 1050, the pulling magnet 1151 and the pulling It can be fixed by manpower by the yoke 1153). The stopper 1050 is provided in a hook shape to support the rotation holder 1120 in a state where the hook portion is caught on the upper portion of the protruding wall 1007 . The stopper 1050 may serve as a bracket supporting the rotation holder 1120 when the reflection module 1100 is not driven, and additionally rotates the holder 1120 when the reflection module 1100 is driven. It can serve as a stopper 1050 for controlling the movement of. The stopper 1050 may be provided on each of the protruding walls 1007 protruding from both sides. Of course, a space may be provided between the stopper 1050 and the rotation holder 1120 so that the rotation holder 1120 rotates smoothly. Alternatively, the stopper 1050 may be made of an elastic material so that the rotation holder 1120 can move smoothly while supported by the stopper 1050.

In addition, the housing 1010 includes a first driving unit 1140 and a second driving unit 1240 to drive the reflection module 1100 and the lens module 1200, respectively. The first driving unit 1140 includes a plurality of coils 1141b, 1143b, and 1145b for driving the reflection module 1100, and the second driving unit 1240 includes a plurality of coils for driving the lens module 1200 ( 1241b, 1243b). Since the plurality of coils 1141b, 1143b, 1145b, 1241b, and 1243b are provided in the housing 1010 while being mounted on the main board 1070, the housing 1010 includes a plurality of coils 1141b, 1143b, 1145b, A plurality of through-holes 1015 , 1016 , 1017 , 1018 , and 1019 may be provided to expose 1241b and 1243b to the inner space of the housing 1010 .

Here, the main board 1070 on which the plurality of coils 1141b, 1143b, 1145b, 1241b, and 1243b are mounted may be connected as a whole and integrally provided as shown in the drawing. In this case, since only one terminal is provided, external power and signal connection can be easily performed. However, it is not limited thereto, and the main substrate 1070 may be provided with a plurality of substrates, for example, by separating the substrate on which the coil for the reflective module 1100 is mounted and the substrate on which the coil for the lens module 1200 is mounted. may be

The reflection module 1100 may change a path of light incident through the opening 1031 . When taking an image or video, the image may be blurred or the video may be shaken due to the user's hand shake. can For example, when shaking occurs during image capture or video recording due to a user's hand shake, the shake is compensated for by providing a relative displacement corresponding to the shake to the rotating holder 1120 .

In addition, since the present embodiment implements the OIS function by the movement of the rotation holder 1120, which is relatively light in weight because it does not include a lens, power consumption can be minimized.

That is, in the present embodiment, the rotating holder 1120 provided with the reflective member 1110 without moving the lens barrel or the image sensor provided with a plurality of lenses in order to implement the OIS (Optical Image Stabilizer) function. is moved to change the traveling direction of the light so that the light corrected for hand shake is incident to the lens module 1200 .

The reflection module 1100 includes a rotation holder 1020 provided to be supported by the housing 1010, a reflection member 1110 mounted on the rotation holder 1020, and a first driving unit 1140 for moving the rotation holder 1120. includes

The reflective member 1110 may change the traveling direction of light. For example, the reflective member 1110 may be a mirror or a prism that reflects light (for convenience of description, the reflective member 1110 is shown as a prism in the drawings related to the first embodiment). do).

The reflective member 1110 is fixed to the rotating holder 1120. The rotation holder 1120 is provided with a mounting surface 1123 on which the reflective member 1110 is mounted.

The mounting surface 1123 of the rotation holder 1120 may be configured as an inclined surface to change the path of light. For example, the mounting surface 1123 may be an inclined surface inclined by 30 to 60 degrees with respect to the optical axis (Z axis) of the plurality of lenses. In addition, the inclined surface of the rotating holder 1120 may face the opening 1031 of the cover 1030 through which light is incident.

The rotation holder 1120 to which the reflective member 1110 is mounted is movably accommodated in the inner space of the housing 1010 . For example, the rotation holder 1120 may be accommodated in the housing 1010 so as to be able to rotate about a first axis (X axis) and a second axis (Y axis). Here, the first axis (X axis) and the second axis (Y axis) may mean axes perpendicular to the optical axis (Z axis), and the first axis (X axis) and the second axis (Y axis) are perpendicular to each other. It can be one axis.

The rotation holder 1120 includes a first ball bearing 1131 and a second shaft aligned along a first axis (X axis) so that rotational motion is smooth based on the first axis (X axis) and the second axis (Y axis). It is supported on the housing 1010 by a second ball bearing 1133 aligned along (Y-axis). In the drawing, as an example, two first ball bearings 1131 aligned along a first axis (X axis) and two second ball bearings 1133 aligned along a second axis (Y axis) are disclosed. In addition, rotational motion may be performed based on the first axis (X axis) and the second axis (Y axis) by the first driving unit 1140 described below.

Here, unlike the second to fifth embodiments described below, the first embodiment is provided with ball bearings in charge of the first axis (X axis) and the second axis (Y axis), respectively, so that the first axis (X axis) is provided. ) The two first ball bearings 1131 aligned along the first axis (X axis) may be provided in a cylindrical shape extending along the second axis (Y axis), and the two second ball bearings 1133 aligned along the second axis (Y axis). ) may be provided in a cylindrical shape extending along the second axis (Y axis). In this case, the shape of the seating grooves 1132, 1133, 1021, and 1121 may also be provided in a semi-cylindrical shape to correspond to the shape of the first and second ball bearings (see FIG. 6B). On the other hand, in the illustration of FIG. 6B, it is shown that each of the first ball bearing 1131 and the second ball bearing 1133 are provided, but the first ball bearing 1131 and the second ball bearing 1133 are the first axis (X-axis). ) Or may be provided with one or two or more long extending in the direction of the second axis (Y-axis).

In addition, the first ball bearing 1131 and the second ball bearing 1133 are provided on the front and rear surfaces of the rotating plate 1130, respectively (or the first ball bearing 1131 and the second ball bearing 1133 are opposite to each other of the rotating plate 1130). It is also possible to change positions on the rear and front surfaces, that is, the first ball bearing 1131 can be aligned along the second axis (Y axis) and the second ball bearing 1133 can be aligned along the first axis (X axis), Hereinafter, for convenience of description, the structure shown in the drawings), the rotation plate 1130 may be provided between the rotation holder 1120 and the inner surface of the housing 1010. In addition, the rotating holder 1120 is rotated by the attractive force of the pulling magnet 1151 - or pulling yoke - provided in the rotating holder 1120 and the pulling yoke 1153 - or pulling magnet - provided in the housing 1010 1130 may be supported by the housing 1010 (of course, the first ball bearing 1131 and the second ball bearing 1133 are also provided between the rotating holder 1120 and the housing 1010).

Seating grooves 1132 and 1134 may be provided on the front and rear surfaces of the rotating plate 1130 so that the first ball bearing 1131 and the second ball bearing 1133 are inserted, and the seating grooves 1132 and 1134 are the first ball bearing ( 1131) may include a first seating groove 1132 into which a portion is inserted and a second seating groove 1134 into which a portion of the second ball bearing 1133 is inserted.

In addition, the housing 1010 may include a third seating groove 1021 to partially insert the first ball bearing 1131, and a fourth seating groove to partially insert the second ball bearing 1133 into the rotation holder 1120. (1121) may be provided.

The above-described first seating groove 1132, second seating groove 1134, third seating groove 1021, and fourth seating groove 1121 rotate the first ball bearing 1131 and the second ball bearing 1133. To facilitate this, it may be provided in the shape of a hemisphere or polygonal (polygonal column or polygonal cone) groove (of course, the depth of the groove is smaller than the radius for the ease of rotation of the first ball bearing 1131 and the second ball bearing 1133). The rotation of the rotation plate 1130 and the rotation holder 1120 may be facilitated because the first ball bearing 1131 and the second ball bearing 1133 are not completely locked into the groove and some are exposed). In addition, the first seating groove 1132, the second seating groove 1134, the third seating groove 1021, and the fourth seating groove 1121 are aligned along the first axis (X axis) of the first ball bearing ( 1131) and the second ball bearings 1133 aligned along the second axis (Y axis) may be provided in positions and numbers corresponding to each other.

Here, the first ball bearing 1131 and the second ball bearing 1133 roll in the first seating groove 1132, the second seating groove 1134, the third seating groove 1021, and the fourth seating groove 1121. It can act as a bearing while moving or sliding.

Meanwhile, the first ball bearing 1131 and the second ball bearing 1133 may have a structure fixed to at least one of the housing 1010, the rotating plate 1130, and the rotating holder 1120. For example, the first ball bearing 1131 may be fixed to the housing 1010 or the rotation plate 1130, and the second ball bearing 1133 may be fixed to the rotation plate 1130 or the rotation holder 1120. In this case, the seating groove may be provided only on the member facing the member to which the first ball bearing 1131 or the second ball bearing 1133 is fixed, and in this case, the ball bearing serves as a friction bearing by sliding rather than rotating. can be done

Here, the first ball bearing 1131 and the second ball bearing 1133 are fixed to any one of the housing 1010, the rotating plate 1130, and the rotating holder 1120 in the case of a structure provided with the first ball bearing 1131 and the second ball bearing 1131. The two ball bearings 1133 may be provided in a spherical or hemispherical shape (of course, a hemispherical shape is an example, and may be provided to have a protrusion length larger than or smaller than the hemisphere). Of course, the same can be applied to the case where the ball bearings 1131 and 1133 are provided in a cylindrical shape extending along the first axis (X axis) and the second axis (Y axis), respectively, as described above.

In addition, the first ball bearing 1131 and the second ball bearing 1133 may be manufactured separately and attached to any one of the housing 1010, the rotating plate 1130, and the rotating holder 1120. Alternatively, the first ball bearing 1131 and the second ball bearing 1133 may be integrally provided when manufacturing the housing 1010, the rotating plate 1130, and the rotating holder 1120.

The first driving unit 1140 generates a driving force so that the rotating holder 1120 can rotate about two axes.

For example, the first driver 1140 includes a plurality of magnets 1141a, 1143a, and 1145a and a plurality of coils 1141b, 1143b, and 1145b disposed to face the plurality of magnets 1141a, 1143a, and 1145a.

When power is applied to the plurality of coils 1141b, 1143b, and 1145b, electromagnetic influence between the plurality of magnets 1141a, 1143a, and 1145a and the plurality of coils 1141b, 1143b, and 1145b causes the plurality of magnets 1141a, 1143a and 1145a) may be rotated based on the first axis (X axis) and the second axis (Y axis).

The plurality of magnets 1141a, 1143a, and 1145a are mounted on the rotation holder 1120. For example, some 1141a of the plurality of magnets 1141a, 1143a, and 1145a may be mounted on a lower surface of the rotating holder 1120, and the remaining 1143a, 1145a may be mounted on a side surface of the rotating holder 1120. .

The plurality of coils 1141b, 1143b, and 1145b are mounted on the housing 1010. For example, the plurality of coils 1141b, 1143b, and 1145b may be mounted on the housing 1010 via the main board 1070. That is, the plurality of coils 1141b, 1143b, and 1145b are provided on the main board 1070, and the main board 1070 is mounted on the housing 1010. Here, in the drawing, the main board 1070 shows an example in which the coil for the reflection module 1100 and the coil for the lens module 1200 are integrally provided as a whole to be mounted, but the main board 1070 is the reflection module ( 1100) and the coil for the lens module 1200 may be provided separately on two or more substrates so as to be mounted respectively.

A reinforcing plate (not shown) may be mounted on the lower portion of the main board 1070 to reinforce strength.

In this embodiment, when the rotation holder 1120 is rotated, a closed loop control method for detecting and feeding back the position of the rotation holder 1120 is used.

Therefore, position sensors 1141c and 1143c are required for closed loop control. The position sensors 1141c and 1143c may be Hall sensors.

The position sensors 1141c and 1143c are disposed inside or outside the coils 1141b and 1143b, and the position sensors 1141c and 1143c may be mounted on the main board 1070 on which the coils 1141b and 1143b are mounted. there is.

Meanwhile, the main board 1070 may include a gyro sensor (not shown) for detecting a shaking factor such as a user's hand shake, and a driving circuit element for providing a driving signal to the plurality of coils 1141b, 1143b, and 1145b ( Driver IC, not shown) may be provided.

11A to 11C are diagrams schematically showing how the rotation holder according to the first embodiment of the present invention is rotated about a first axis, and FIGS. 12A to 12C are views showing the holder according to the first embodiment of the present invention. It is a diagram schematically showing how is rotated about the second axis.

Referring to FIGS. 11A to 11C , in the case of rotation about the first axis (X axis), the rotating plate 1130 rotates on the first ball bearing 1131 in which ball bearings are arranged along the first axis (X axis). As this is done, the rotation holder 1120 rotates together (in this case, the rotation holder 1120 does not move relative to the rotation plate 1130). In addition, referring to FIGS. 12A to 12C, when rotating based on the second axis (Y axis), the rotation holder 1120 rides the second ball bearing 1133 in which the ball bearings are arranged along the second axis (Y axis). ) is rotated (in this case, since the rotating plate 1130 does not rotate, the rotating holder 1120 moves relative to the rotating plate 1130).

That is, the first ball bearing 1131 acts when rotating based on the first axis (X axis), and the second ball bearing 1133 acts when rotating based on the second axis (Y axis). As shown in the drawing, when rotating based on the first axis (X axis), the second ball bearing 1133 aligned on the second axis (Y axis) cannot move while being fitted in the seating groove. This is because it is a structure in which the first ball bearing 1131 aligned with respect to the first axis (X axis) cannot be moved while being inserted into the seating groove when the rotation is based on the second axis (Y axis).

Light whose path has been changed by the reflection module 1100 is incident to the lens module 1200 . Therefore, the optical axis of the plurality of laminated lenses provided in the lens module 1200 is aligned along the Z-axis, which is a direction in which light is emitted from the reflection module 1100 . In addition, the lens module 1200 includes a second driving unit 1240 to implement AF and zoom functions. In addition, since the lens module 1200, which is relatively light since it does not include other components for image stabilization to implement the AF and zoom functions, is moved in the optical axis direction, power consumption can be minimized.

The lens module 1200 includes a lens holder 1220 provided in the inner space of the housing 1010, a lens holder 1220 including a laminated lens therein, and a second driving unit 1240 that moves the lens holder 1220. includes

A plurality of lenses for capturing an image of a subject are accommodated in the lens holder 1220, and the plurality of lenses are mounted in the lens holder 1220 along an optical axis.

The light whose propagation direction is changed by the reflection module 1100 passes through a plurality of lenses and is refracted. Optical axes (Z-axis) of the plurality of lenses are perpendicular to the thickness direction (Y-axis direction) of the lens module 1100 .

The lens holder 1220 is configured to move in the optical axis (Z-axis) direction for AF (auto focus). For example, the lens holder 1220 may be configured to be movable in a direction in which light whose traveling direction is changed by the reflective module 1100 passes through a plurality of lenses (including the opposite direction).

The second driver 1240 generates a driving force so that the lens holder 1220 can move in the direction of the optical axis (Z-axis). That is, the second driver 1240 may move the lens holder 1220 to change a distance between the lens holder 1220 and the reflection module 1100 .

For example, the second driving unit 1240 includes a plurality of magnets 1241a and 1243a and a plurality of coils 1241b and 1243b disposed to face the plurality of magnets 1241a and 1243a.

When power is applied to the plurality of coils 1241b and 1243b, an electromagnetic influence between the plurality of magnets 1241a and 1243a and the plurality of coils 1241b and 1243b causes the lens on which the plurality of magnets 1241a and 1243a are mounted. The holder 1220 may be moved in the direction of the optical axis (Z-axis).

A plurality of magnets 1241a and 1243a are mounted on the lens holder 1220 . For example, the plurality of magnets 1241a and 1243a may be mounted on a side surface of the lens holder 1220 .

A plurality of coils 1241b and 1243b are mounted on the housing 1010 . For example, the main board 1070 may be mounted on the housing 1010 while the plurality of coils 1241b and 1243b are mounted on the main board 1070 . Here, for convenience of explanation, in the drawings, the coil for the reflection module 1100 and the coil for the lens module 1200 are both mounted on the main board 1070, but are not limited thereto, and the main board The reflective module 1100 coil and the lens module 1200 coil 1070 may be provided as separate substrates on which the coils are respectively mounted.

In this embodiment, when the lens holder 1220 is moved, a closed-loop control method for detecting and feeding back the position of the lens holder 1220 is used. Therefore, a position sensor 1243c is required for closed loop control. The position sensor 1243c may be a hall sensor.

The position sensor 1243c is disposed inside or outside the coil 1243b, and the position sensor 1243c may be mounted on the main board 1070 on which the coil 1243b is mounted.

The lens holder 1220 is provided in the housing 1010 to be movable in the direction of the optical axis (Z-axis). For example, a plurality of ball members 1250 are disposed between the lens holder 1220 and the housing 1010 .

The plurality of ball members 1250 serve as bearings that guide the movement of the lens holder 1220 during the AF process. In addition, it also serves to maintain a distance between the lens holder 1220 and the housing 1010.

The plurality of ball members 1250 are configured to roll in the direction of the optical axis (Z-axis) when a driving force is generated in the direction of the optical axis (Z-axis). Accordingly, the plurality of ball members 1250 guide the movement of the lens holder 1220 in the direction of the optical axis (Z-axis).

A plurality of guide grooves 1221 and 1231 accommodating a plurality of ball members 1250 are formed on at least one of the surfaces of the lens holder 1220 and the housing 1010 facing each other.

The plurality of ball members 1250 are accommodated in the plurality of guide grooves 1221 and 1231 and are inserted between the lens holder 1220 and the housing 1010 .

The plurality of guide grooves 1221 and 1231 may have a shape having a length in an optical axis (Z-axis) direction.

In a state where the plurality of ball members 1250 are accommodated in the plurality of guide grooves 1221 and 1231, movement in the first axis (X axis) and second axis (Y axis) directions is restricted, and the optical axis (Z axis) It can only move in one direction. For example, the plurality of ball members 1250 may roll only in the optical axis (Z-axis) direction.

To this end, each of the plurality of guide grooves 1221 and 1231 may be formed long in the optical axis (Z-axis) direction. In addition, cross sections of the plurality of guide grooves 1221 and 1231 may have various shapes such as a round shape and a polygonal shape.

Here, the lens holder 1220 is pressed toward the housing 1010 so that the plurality of ball members 1250 can maintain contact with the lens holder 1220 and the housing 1010 .

To this end, a yoke 1260 may be mounted on the housing 1010 to face the plurality of magnets 1241a and 1243a mounted on the lens holder 1220 . The yoke 1260 may be a magnetic material.

An attractive force acts between the yoke 1260 and the plurality of magnets 1241a and 1243a. Accordingly, the lens holder 1220 may be moved in the optical axis (Z-axis) direction by the driving force of the second driving unit 1240 while being in contact with the plurality of ball members 1250 .

13 is an exploded perspective view of a camera module according to a second embodiment of the present invention, and FIG. 14 is an exploded perspective view showing a coupling relationship between a housing and a rotating holder of a camera module according to a second embodiment of the present invention.

Referring to FIGS. 13 and 14 , the camera module 1002 according to the second embodiment is different from the camera module 1000 according to the first embodiment only in the configuration of the reflection module, and all other configurations are the same. Hereinafter, the structure of the reflection module having a difference is described in detail, and the same reference numerals are used for the rest having the same structure, and detailed descriptions are omitted.

The camera module 1002 according to the second embodiment of the present invention includes a reflection module 1100-2, a lens module 1200, and an image sensor module 1300 provided in a housing 1010-2.

Unlike the first embodiment, in the reflection module 1100-2 according to the second embodiment, the rotation holder 1120-2 is connected to the housing 1010-2 via the third ball bearing 1142 without any additional configuration. It is supported on the inner surface (that is, there is no corresponding configuration of the rotary plate 1130 of the first embodiment).

To this end, the housing 1010-2 is provided with a rotating groove 1041 at a portion opposite to the rotating holder 1120-2, and the rotating holder 1120-2 has a rotating protrusion inserted into the rotating groove 1041 ( 1025) may be provided. However, here, in order to rotate the holder 1120-2 only with two degrees of freedom based on a predetermined axis (eg, the X axis and the Y axis), the rotation groove 1041 and the rotation protrusion 1025 are When viewed in the Z-axis direction, it may be a polygonal shape, such as a triangle or a quadrangle (except for a circle in that a rotational degree of freedom may be added). This is based on the fact that when the rotation groove 1041 and the rotation protrusion 1025 are provided in a polygonal shape, after the rotation protrusion 1025 is inserted into the rotation groove 1041, it cannot rotate about the Z axis and the corners are interlocked. .

In addition, the edges of the rotating groove 1041 and the rotating protrusion 1025 may be provided with an inclined surface or a round surface to facilitate rotation about a predetermined axis (X axis, Y axis).

In addition, a third ball bearing 1142 aligned along the first axis (X-axis) is provided at the edge of the rotation groove 1041 (two may be provided on both edges of the rotation groove 1041). In addition, a seating groove 1042 may be provided at an edge of the rotation groove 1041 so that the third ball bearing 1142 is inserted. Here, the seating groove 1042 may be provided in a straight or curved shape long in the first axis (X-axis) direction along the rim. Also, the cross section of the seating groove 1042 may have various shapes such as a round shape and a polygonal shape.

Also, the third ball bearing 1142 may be freely rotatable or provided in a fixed state to the housing 1010-2 or the rotation holder 1120-2. When the third ball bearing 1142 is provided in a fixed state to the housing 1010-2 or the rotation holder 1120-2, it may be provided in a spherical or hemispherical shape (which may be smaller or larger than a hemisphere). In addition, when the third ball bearing 1142 is provided in a fixed state to the housing 1010-2 or the rotation holder 1120-2, it is integrally manufactured as a whole, or the third ball bearing 1142 is manufactured separately to form a housing ( 1010-2) or the rotation holder 1120-2.

Since the reflective module 1100-2 of this embodiment includes the third ball bearings 1142 aligned along the first axis (X-axis), the rotation holder 1120-2 is mounted on the housing through the third ball bearing 1142. (1010-2) rotates about the first axis (X axis) in a state supported by the attractive force of the pulling magnet 1151 and the pulling yoke 1153, or a second axis perpendicular to the first axis (X axis). It can be rotated around the axis (Y axis).

In this case, since only the third ball bearing 1142 aligned along the first axis (X-axis) is provided, when rotating based on the first axis (X-axis), the rotational axis of the rotation holder 1120-2 is approximately the first. Corresponds to the first axis (X-axis) connecting the 3 ball bearings 1142, but when rotating based on the second axis (Y-axis), the inner surface of the housing 1010-2 equipped with the third ball bearing 1142 A rotation axis of the rotation holder 1120-2 substantially parallel to the second axis (Y axis) may be formed at an imaginary point moved by a predetermined distance in the direction of the rotation holder 1120-2. However, the position of the rotation axis can be variously changed according to the design shape. This will be described in detail later with reference to FIGS. 15A to 16C.

The reflective module 1100-2 includes a reflective member 1110-2, a rotation holder 1120-2 to which the reflective member 1110-2 is mounted, and a housing 1010-2 supporting the rotation holder 1120-2. and a first drive unit 1140 generating a driving force to move the rotation holder 1120-2.

The reflective member 1110-2 is configured to change the traveling direction of light. For example, the reflective member 1110-2 may be a mirror or a prism that reflects light. The reflective member 1110-2 is fixed to the rotating holder 1120-2.

The first drive unit 1140 generates driving force so that the rotation holder 1120-2 can rotate in two directions. For example, the first drive unit 1140 includes a plurality of magnets 1141a, 1143a, and 1145a and a plurality of coils 1141b, 1143b, and 1145b disposed to face the plurality of magnets 1141a, 1143a, and 1145a, and rotates Position sensors 1141c and 1143c may be provided to detect the position of the holder 1120-2. Since its driving and mounting positions are the same as those described in the first embodiment, detailed descriptions thereof will be omitted.

15a to 15c are diagrams schematically showing how the rotation holder according to the second embodiment of the present invention is rotated about a first axis, and FIGS. 16a to 16c are rotation according to the second embodiment of the present invention. It is a view schematically showing how the holder is rotated based on the second axis.

15A to 15C, when the rotation holder 1120-2 rotates on the basis of the first axis (X-axis), the third ball bearing 1142 is arranged on the basis of the first axis (X-axis). will rotate In this case, since only the third ball bearing 1142 aligned along the first axis (X-axis) is provided, when rotating based on the first axis (X-axis), the rotational axis of the rotation holder 1120-2 is approximately the third ball bearing 1142. It is an extension line connecting the ball bearing 1142 and becomes an axis substantially parallel to the first axis (X axis).

16A to 16C, when the rotating holder 1120-2 rotates on the basis of the second axis (Y axis), the third ball bearing 1142 rotates on the inner surface of the housing 1010-2. A rotation axis of the rotation holder 1120-2 substantially parallel to the second axis (Y axis) may be formed at a virtual point moved a predetermined distance in the direction of the holder 1120-2. In this case, since the rotating shaft is provided at a portion spaced from the contact portion between the third ball bearing 1142 and the rotating holder 1120-2, the amount of sliding movement of the rotating holder 1120-2 is based on the first axis (X-axis). It may be more than moving.

17 is an exploded perspective view of a camera module according to a third embodiment of the present invention, and FIG. 17 is an exploded perspective view showing a coupling relationship between a housing and a rotating holder of a camera module according to a third embodiment of the present invention.

17 and 18, the camera module 1003 according to the third embodiment differs from the camera module 1000 according to the first embodiment only in the configuration of the reflection module, and all other configurations are the same. Hereinafter, the structure of the reflection module having a difference is described in detail, and the same reference numerals are used for the rest having the same structure, and detailed descriptions are omitted.

The camera module 1003 according to the third embodiment of the present invention includes a reflection module 1100-3, a lens module 1200, and an image sensor module 1300 provided in a housing 1010-3.

Unlike the first embodiment, in the reflection module 1100-3 according to the third embodiment, the rotation holder 1120-3 is connected to the housing 1010-3 via the fourth ball bearing 1143 without any additional configuration. It is supported on the inner surface (that is, there is no corresponding configuration of the rotary plate 1130 of the first embodiment).

To this end, the housing 1010-3 is provided with a rotating groove 1043 at a portion opposite to the rotating holder 1120-3, and the rotating holder 1120-3 has a rotating protrusion inserted into the rotating groove 1043 ( 1026) may be provided. However, here, in order for the rotation holder 1120-3 to have only rotation with two degrees of freedom based on a predetermined axis (eg, X axis, Y axis), the rotation groove 1043 and the rotation protrusion 1026 are Z axis Viewed from the direction, it may be a polygonal shape, for example a triangle, a rectangle, etc. (except a circle in that a rotational degree of freedom may be added). This is based on the fact that when the rotation groove 1043 and the rotation protrusion 1026 are provided in a polygonal shape, after the rotation protrusion 1026 is inserted into the rotation groove 1043, it cannot rotate based on the Z axis and the corners are interlocked. .

In addition, the edges of the rotation groove 1043 and the rotation protrusion 1026 may be provided with an inclined surface or a round surface to facilitate rotation about a predetermined axis (X axis, Y axis).

In addition, a fourth ball bearing 1143 aligned along the second axis (Y-axis) is provided on the edge of the rotation groove 1043 (two of them are provided to be aligned in the Y-axis direction on both edges of the rotation groove 1043). can). In addition, a seating groove 1044 may be provided at an edge of the rotation groove 1043 to insert the fourth ball bearing 1143 therein. Here, the seating groove 1044 may be provided in a straight or curved shape long in the second axis (Y axis) direction along the rim. Also, the cross section of the seating groove 1044 may have various shapes such as a round shape and a polygonal shape.

In addition, the fourth ball bearing 1143 may be freely rotatable or provided in a fixed state to the housing 1010-3 or the rotation holder 1120-3. When the fourth ball bearing 1143 is provided in a fixed state to the housing 1010-3 or the rotation holder 1120-3, it may be provided in a spherical or hemispherical shape (which may be smaller or larger than a hemisphere). In addition, when the fourth ball bearing 1143 is provided in a fixed state to the housing 1010-3 or the rotation holder 1120-3, it is integrally manufactured as a whole, or the fourth ball bearing 1143 is separately manufactured to form a housing ( 1010-3) or the rotating holder 1120-3.

Since the reflective module 1100-3 of this embodiment includes the fourth ball bearing 1143 aligned along the second axis (Y axis), the rotation holder 1120-3 is mounted on the housing via the fourth ball bearing 1143. (1010-3) rotates about the second axis (Y axis) in a state supported by the attractive force of the pulling magnet 1151 and the pulling yoke 1153, or the first axis perpendicular to the second axis (Y axis) It can be rotated around an axis (X-axis).

In this case, since only the fourth ball bearing 1143 aligned along the second axis (Y-axis) is provided, the rotational axis of the rotation holder 1120-3 is approximately the first when rotating based on the second axis (Y-axis). In the case of rotation based on the second axis (Y axis) connecting the 4 ball bearings 1143 or the first axis (X axis), the fourth ball bearing 1143 rotates on the inner surface of the housing 1010-3. A rotational axis of the rotational holder 1120-3 substantially parallel to the first axis (X-axis) may be formed at an imaginary point moved a predetermined distance in the direction of the holder 1120-3. This will be described in detail later with reference to FIGS. 19A to 20C.

The reflective module 1100-3 includes a reflective member 1110-3, a rotation holder 1120-3 to which the reflective member 1110-3 is mounted, and a housing 1010-3 supporting the rotation holder 1120-3. and a first drive unit 1140 generating a driving force to move the rotation holder 1120-3.

The reflective member 1110-3 is configured to change the traveling direction of light. For example, the reflective member 1110 - 3 may be a mirror or a prism that reflects light. The reflective member 1110-3 is fixed to the rotating holder 1120-3.

The first drive unit 1140 generates driving force so that the rotation holder 1120-3 can rotate in two directions. For example, the first drive unit 1140 includes a plurality of magnets 1141a, 1143a, and 1145a and a plurality of coils 1141b, 1143b, and 1145b disposed to face the plurality of magnets 1141a, 1143a, and 1145a, and rotates Position sensors 1141c and 1143c may be provided to detect the position of the holder 1120-3. Since its driving and mounting positions are the same as those described in the first embodiment, detailed descriptions thereof will be omitted.

19a to 19c are diagrams schematically showing how the rotation holder according to the third embodiment of the present invention is rotated about a first axis, and FIGS. 20a to 20c are rotation according to the third embodiment of the present invention. It is a view schematically showing how the holder is rotated based on the second axis,

19A to 19C, when the rotation holder 1120-3 rotates on the basis of the first axis (X-axis), the fourth ball bearing 1143 rotates on the inner surface of the housing 1010-3. A rotation axis of the rotation holder 1120-3 substantially parallel to the first axis (X-axis) may be formed at a virtual point moved a predetermined distance in the direction of the holder 1120-3. In this case, since the rotating shaft is provided at a portion spaced from the contact portion between the fourth ball bearing 1143 and the rotating holder 1120-3, the amount of sliding movement of the rotating holder 1120-3 is based on the second axis (Y axis). It may be more than moving.

20A to 20C, when the rotation holder 1120-3 is rotated based on the second axis (Y axis), the fourth ball bearing 1143 is arranged based on the second axis (Y axis). will rotate In this case, since only the fourth ball bearing 1143 aligned along the second axis (Y-axis) is provided, in the case of rotation based on the second axis (Y-axis), the rotational axis of the rotation holder 1120-3 is approximately the fourth ball bearing 1143. It is an extension connecting the ball bearing 1143, which is approximately parallel to the second axis (Y axis).

21 is an exploded perspective view of a camera module according to a fourth embodiment of the present invention, and FIG. 22 is an exploded perspective view showing a coupling relationship between a housing and a rotating holder of a camera module according to a fourth embodiment of the present invention.

21 and 22, the camera module 1004 according to the fourth embodiment has a seating groove in which the third ball bearing 1142 is seated as compared to the camera module 1002 according to the second embodiment is a rotation holder ( 1120-2), and all other configurations are the same. Hereinafter, only the configuration of the seating groove with a difference is briefly described, and the rest having the same configuration use the same reference numerals, and detailed descriptions are omitted.

The camera module 1004 according to the fourth embodiment of the present invention includes a reflection module 1100-2, a lens module 1200, and an image sensor module 1300 provided in the housing 1010-2.

In the reflection module 1100-2 according to the fourth embodiment, unlike the second embodiment, the rotation holder 1120-2 has a seating groove 1027 in which the third ball bearing 1142 is seated. Here, the seating groove 1027 may be provided in a straight or curved shape long in the first axis (X axis) direction at the edge of the rotation protrusion 1025 . Also, the cross section of the seating groove 1027 may have various shapes such as a round shape and a polygonal shape. All other configurations are the same as those of the second embodiment, so detailed descriptions are omitted.

In addition, depending on the structure in which the seating groove 1027 is provided in the rotation holder 1120-2, only the position where the third ball bearing 1142 is provided is slightly different, and the rotation holder 1120-2 is provided with the first shaft (X axis) or the second axis (Y-axis) is the same as that of the second embodiment, so the related illustration is replaced with FIGS. 15A to 15C and 16A to 16C.

23 is an exploded perspective view of a camera module according to a fifth embodiment of the present invention, and FIG. 24 is an exploded perspective view showing a coupling relationship between a housing and a rotating holder of a camera module according to a fifth embodiment of the present invention.

23 and 24, the camera module 1005 according to the fifth embodiment has a seating groove in which the fourth ball bearing 1143 is seated is a rotation holder ( 1120-3), and all other configurations are the same. Hereinafter, only the configuration of the seating groove with a difference is briefly described, and the rest having the same configuration use the same reference numerals, and detailed descriptions are omitted.

The camera module 1005 according to the fifth embodiment of the present invention includes a reflection module 1100-3, a lens module 1200, and an image sensor module 1300 provided in the housing 1010-3.

Unlike the third embodiment, in the reflection module 1100-3 according to the fifth embodiment, the rotation holder 1120-3 has a seating groove 1028 in which the fourth ball bearing 1143 is seated. Here, the seating groove 1028 may be provided in a straight or curved shape long in the second axis (Y axis) direction at the edge of the rotation protrusion 1025 . In addition, the cross section of the seating groove 1028 may have various shapes such as a round shape and a polygonal shape. All other configurations are the same as those of the third embodiment, so detailed descriptions are omitted.

In addition, depending on the structure in which the seating groove 1028 is provided in the rotation holder 1120-3, only the location where the fourth ball bearing 1143 is provided is slightly different, and the rotation holder 1120-3 has a first shaft (X axis) or the second axis (Y-axis) is almost the same as that of the third embodiment, so the related illustration is replaced with FIGS. 19A to 19C and 20A to 20C.

25 is a perspective view of a portable electronic device according to another embodiment of the present invention.

Referring to FIG. 25 , a portable electronic device 2 according to an embodiment of the present invention may be a portable electronic device such as a mobile communication terminal equipped with a plurality of camera modules 500 and 1000, a smart phone, and a tablet PC. there is.

In this embodiment, a plurality of camera modules 500 and 1000 may be mounted on the portable electronic device 2 .

At least one of the plurality of camera modules 500 and 1000 is the camera module 1000-1001, 1002, 1003, 1004 and 1005 according to the first to fifth embodiments described with reference to FIGS. 2 to 23 ) can be.

That is, in the case of a portable electronic device having a dual camera module, at least one of the two camera modules may be provided as the camera modules 1000-1001, 1002, 1003, 1004, and 1005 according to an embodiment of the present invention. .

Through this embodiment, the camera module according to an embodiment of the present invention and a portable electronic device including the camera module have a simple structure and can be reduced in size while implementing functions such as auto focus adjustment, zoom, and image stabilization. In addition, power consumption can be minimized.

In the above, the configuration and characteristics of the present invention have been described based on the embodiments according to the present invention, but the present invention is not limited thereto, and various changes or modifications can be made within the spirit and scope of the present invention. It is apparent to those skilled in the art, and therefore such changes or modifications are intended to fall within the scope of the appended claims.

1, 2: portable electronic devices
1000 (1001, 1002, 1003, 1004, 1005): camera module
1100, 1100-2, 1100-3: reflection module
1110, 1110-2, 1110-3: reflective member
1120, 1120-2, 1120-3: rotating holder
1010, 1010-2, 1010-3: housing
1140: first driving unit
1200: lens module
1220: lens holder
1240: second driving unit
1300: image sensor module

Claims (31)

housing;
a reflective member that changes the path of incident light;
a rotating holder provided in the housing and to which the reflective member is mounted;
a rotation plate provided between the inner wall of the housing and the rotation holder and rotatably with respect to the housing; and
A driving unit providing a driving force for rotating the rotating holder to the rotating holder so that the reflecting member is rotatable about first and second axes perpendicular to each other,
The rotation holder is supported on an inner wall of the housing in a direction of a third axis perpendicular to the first axis and the second axis through the rotation plate. According to claim 1,
The rotation holder is supported on the inner wall of the housing by being pulled toward the inner wall of the housing by a magnetic attraction formed in the direction of the third axis. According to claim 1 or 2,
The rotation holder is provided with a pulling magnet or a pulling yoke, and the housing is provided with a pulling yoke or a pulling magnet. The image stabilization reflective module of claim 1, further comprising a driving magnet mounted on a side surface of the rotating holder. According to claim 4,
The image stabilization reflective module further includes a driving coil mounted on the housing to face the driving magnet. According to claim 5,
Further comprising a main board mounted on the housing,
The driving coil is mounted on the main board, the hand shake correction reflective module. According to claim 5,
The image stabilization reflective module further comprises a position sensor disposed inside or outside the driving coil. According to claim 1,
The rotation plate is rotatable with respect to the housing about the first axis, and the rotation holder is rotatable with respect to the rotation plate about the second axis. According to claim 8,
The rotation holder rotates with the rotation plate when the rotation plate is rotated based on the first axis,
wherein the rotation holder rotates relative to the rotation plate when the rotation holder is rotated about the second axis. a first ball bearing provided between the rotation plate and the housing to guide rotation of the reflective member with respect to the first axis; and
and a second ball bearing provided between the rotation holder and the rotation plate to guide rotation of the reflection member about the second axis. According to claim 10,
The first ball bearings are arranged in the first axis direction, and the second ball bearings are arranged in the second axis direction. According to claim 10 or 11,
The rotation plate is rotatable with respect to the first axis, and the rotation holder is rotatable with reference to the second axis. According to claim 10 or 11,
The first ball bearing is fixed to the rotating plate or the housing or freely rotatable with respect to the rotating plate or the housing, and the second ball bearing is fixed to the rotating plate or the rotating holder or freely rotates with respect to the rotating plate or the rotating holder. Possible, image stabilization reflective module. According to claim 10 or 11,
A seating groove in which the first ball bearing is seated is formed on surfaces of the rotating plate and the housing facing each other, and a seating groove in which the second ball bearing is seated is formed in surfaces of the rotating holder and the rotating plate facing each other. corrective reflection module. According to claim 14,
The first ball bearing and the second ball bearing have a hemispherical shape obtained by cutting a sphere or a sphere into a plane,
The cross section of the seating groove has a round shape or a polygonal shape, the hand shake correction reflective module. According to claim 1,
Further comprising a main board mounted on the housing,
First to third coils are mounted on the main board, the hand shake correction reflective module. According to claim 16,
wherein a through hole is provided in the housing so that the first to third coils are exposed to an inner space of the housing; According to claim 16,
The driving unit includes first to third driving magnets facing the first to third coils, respectively;
The first magnet is mounted on the bottom surface of the rotating holder, and the second and third driving magnets are mounted on side surfaces of the rotating holder.
The bottom surface of the rotating holder means a surface opposite to a surface on which the incident light is incident in an incident direction of the incident light, the hand shake correcting reflective module. The method of any one of claims 1, 2, 4 to 11 and 16 to 18,
a gyro sensor mounted on the housing to detect shaking; and
The image stabilization reflective module further comprising a; cover disposed to cover the housing and including an opening through which incident light passes. The method of any one of claims 1, 2, 4 to 11 and 16 to 18,
The rotating holder includes an inclined mounting surface on which the reflective member is mounted,
The reflective member is a mirror or a prism, the hand shake correction reflective module. The method of any one of claims 1, 2, 4 to 11 and 16 to 18,
The rotation plate is disposed inside the housing as a whole, the hand shake correction reflective module. The method of any one of claims 1, 2, 4 to 11 and 16 to 18,
The rotation holder is disposed inside the housing as a whole, the hand shake correction reflective module. housing;
a rotating holder accommodated in the housing and including a reflective member;
a ball bearing provided between the housing and the rotating holder; and
A driving unit providing a driving force to the rotating holder so that the reflective member is rotatable about a first axis and a second axis,
The rotation holder is provided with a pulling magnet or a pulling yoke, and the housing is provided with a pulling yoke or a pulling magnet,
The rotation holder is supported on an inner wall of the housing facing in a third axis direction perpendicular to the first axis and the second axis. According to claim 23,
The ball bearings are arranged in a direction of the first axis or the second axis, and the first axis and the second axis are perpendicular to each other. The method of claim 23 or 24,
The rotation holder is rotatable based on the first axis and the second axis, the hand shake correction reflective module. The method of claim 23 or 24,
The housing or the rotation holder is provided with a seating groove,
The ball bearing is fixed to the seating groove provided in the housing or the rotating holder or is freely rotatable. The method of claim 26,
The ball bearing includes a plurality of ball members,
The cross section of the seating groove has a round shape or a polygonal shape, the hand shake correction reflective module. housing;
a rotating holder disposed in the housing;
a reflective member disposed on the rotating holder; and
A driving unit configured to rotate the driving holder relative to the housing so that the reflective member is rotatable about a first axis and a second axis,
The rotation holder is provided with a pulling magnet or a pulling yoke, and the housing is provided with a pulling yoke or a pulling magnet,
The rotation holder faces the inner wall of the housing with a third axis perpendicular to the first axis and the second axis, and is supported by the inner wall of the housing. According to claim 28,
a rotating plate disposed between the inner wall of the housing and the rotating holder;
a first ball bearing disposed between the inner wall of the housing and the rotating plate; and
And a second ball bearing disposed between the rotating plate and the rotating holder,
The driving unit is configured to rotate the rotation plate based on the first axis and rotate the rotation holder based on the second axis. According to claim 29,
The first ball bearing is arranged in the first axis direction, the second ball bearing is arranged in the second axis direction,
The first axis and the second axis are perpendicular to each other, the hand shake correction reflective module. A lens module including a plurality of lenses; and
A camera module comprising a hand shake correction reflective module according to any one of claims 1 to 30 for reflecting light incident to the reflective member toward the plurality of lenses of the lens module.

Images