Optical member driving device, camera device, and electronic device

Abstract

Provided is an optical member driving device, a camera device, and an electronic device, which can obtain a large driving force even if small. An optical member driving device (100) includes: a motor (8) including a piezoelectric plate (85) formed in a circular ring shape by a plurality of piezoelectric elements (89) and a circular ring-shaped metal plate (86) provided on a surface of the piezoelectric plate (85) and having a plurality of driving surfaces (88) formed by a plurality of notches (87) provided in a radial direction and a thickness direction; a portion of a driven surface (670, 680) of a holder (6) as a driven portion, having a driven surface (670, 680) abutting against the plurality of driving surfaces (88) and relatively rotating around a central axis of the circular ring shape with respect to the metal plate (86); a fixed portion provided with one of the motor (8) or the driven portion; and the holder (6) as a movable portion, having a holding portion holding a camera module (2) as an optical member, provided with the other of the motor (8) or the driven portion, and relatively rotating around an axis with respect to the fixed portion.

Description

TECHNICAL FIELD

[0001] The present application relates to an optical member driving device, a camera device, and an electronic device for a smartphone or the like. BACKGROUND

[0002] In a camera device for a smartphone or the like, there are those which make a module having a lens body and an image sensor as a movable section, and make the movable section tilt move around an X axis or a Y axis to perform shake correction. As a document which discloses a technology related to such a camera device, there is Patent Literature 1. The photographing optical device disclosed in this document 1 is provided with a magnetic body for shake correction on an outer surface facing in the X and Y directions in a movable section having a lens, a photographing element, and a focus mechanism, and is provided with a pivot section at the center of a bottom surface of a fixed section which holds the movable section, and supports the center of the bottom surface of the movable section by the pivot section, and is provided with a coil for shake correction on an inner surface of the fixed section. In this device, when a current is passed through the coil, the movable section tilt moves around the point supported on the pivot section.

[0003]

Prior Art Documents

[0004]

Patent Literature

[0005]

Patent Literature 1

[0006]

Problems to be Solved by the Invention

[0007] However, in the case of the technology of Patent Literature 1 or in the case where a large driving amount is required, there is a problem that the driving force is insufficient, and in order to obtain sufficient driving force, the device itself becomes large.

[0008] The present application was made in view of such a problem, and aims to provide an optical member driving device which can obtain a large driving force even if it is small.

[0009]

Means for Solving the Problems

[0010] To solve the above problems, an optical member driving device according to an embodiment of the present application includes: a motor including a piezoelectric plate formed of a plurality of piezoelectric elements and formed in a circular ring shape, and a circular ring-shaped metal plate provided on a surface of the piezoelectric plate and having a plurality of driving surfaces formed by providing a plurality of notches in a radial direction and a thickness direction; a driven portion having a driven surface that abuts against the plurality of driving surfaces, and relatively rotating around a central axis with respect to the metal plate; a fixed portion provided with one of the motor or the driven portion; and a movable portion having a holding portion that holds an optical member, and provided with the other of the motor or the driven portion, and relatively rotating around the axis with respect to the fixed portion.

[0011] In this way, the driven surface of the driven portion provided in the movable portion can be a convex spherical surface facing a side opposite to a side of the optical member, and the axis can pass through a center of the convex spherical surface.

[0012] In addition, the driven surface and a convex spherical surface of the same shape as the driven surface can be provided on both sides of the holding portion, and centers of the two convex spherical surfaces can be located at a center of the holding portion and coincide with each other.

[0013] In addition, the fixed portion can surround the movable portion and face the movable portion, the driven surface can abut against a driving surface of the motor, and a convex spherical surface of the same shape as the driven surface can abut against a concave spherical surface, a conical surface, or an abutting surface having three abutting points of a rotation receiving portion provided in the fixed portion, or a driving surface of the other motor.

[0014] In addition, the movable portion can have a bracket, a horizontal portion of the bracket provided with the holding portion and two side portions of the bracket provided with the driven surface can be formed of bending elastic members, the bracket can push the motor, and a convex spherical surface of the same shape as the driven surface can push the rotation receiving portion or the other motor.

[0015] In addition, the driven surface and a convex spherical surface of the same shape as the driven surface can be provided on other two sides of the holding portion, centers of four convex spherical surfaces can be located at a center of the holding portion and coincide with each other, and two axes can be orthogonal to each other.

[0016] In addition, another driven surface can be further provided, centers of five convex spherical surfaces can be located at a center of the holding portion and coincide with each other, and three axes can be orthogonal to each other.

[0017] In addition, the piezoelectric plate facing a side opposite to a side provided with the metal plate can be held to the fixed portion or the movable portion via an elastic member.

[0018] Alternatively, an FPC having three plate portions facing the horizontal portion and the two side portions of the holder can be provided, and the motor can be provided on each of the plate portions.

[0019] Alternatively, a position detection sensor can be provided on both sides of each of the motors provided on the plate portions facing the two side portions.

[0020] The camera device according to another preferred embodiment of the present application is characterized by including the optical member driving device described above.

[0021] The electronic device according to another preferred embodiment of the present application is characterized by including the camera device described above.

[0022]

Effects of Invention

[0023] The optical member driving device according to the present application includes a motor having a piezoelectric plate composed of a plurality of piezoelectric elements and formed in a circular ring shape, and a circular ring-shaped metal plate provided on a surface of the piezoelectric elements and having a plurality of driving surfaces formed by providing a plurality of notches in a radial direction and a thickness direction; a driven portion having a driven surface abutting against the plurality of driving surfaces and relatively rotating with respect to the metal plate around a central axis of the circular ring shape; a fixed portion provided with one of the motor and the driven portion; and a movable portion having a holding portion holding an optical member, provided with the other of the motor and the driven portion, and relatively rotating with respect to the fixed portion around the axis. The driving surfaces of the motor abut against the driven surface of the driven portion and rotate, so that the driving force is relatively large even if the motor is small. Therefore, an optical member driving device capable of obtaining a large driving force even if the motor is small can be provided. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a front view of a smartphone 109 on which a camera device 101 including an optical member driving device 100 according to an embodiment of the present application is mounted.

[0025] Figure 2 is Figure 1 is a perspective view of the optical member driving device 100.

[0026] Figure 3 is a perspective view of the optical member driving device 100 in which Figure 2 is removed.

[0027] Figure 4 is a perspective view of the optical member driving device 100 in which Figure 2 is removed.

[0028] Figure 5 is a perspective view of the optical member driving device 100 in which Figure 4A perspective view in which the first flexible printed circuit board 3, the second flexible printed circuit board 9, and the base plate 10 are removed.

[0029] Figure 6 Observe from its perspective Figure 5 Stereoscopic image.

[0030] Figure 7 Observed from the -Y side Figure 5 picture.

[0031] Figure 8 yes Figure 5 A-A' line cross-section diagram.

[0032] Figure 9 It is an explanation Figure 2 FIG. 1 is a diagram illustrating the operation of the motor 8 c in the optical component driving device 100 . DETAILED DESCRIPTION

[0033] like Figure 1 As shown, a camera device 101 including an optical component driving device 100 according to one embodiment of the present invention is housed in a housing of a smartphone 109 .

[0034] The camera device 101 includes a camera module 2 as an optical component and an optical component driving device 100 for driving the camera module 2. The camera module 2 includes a lens 21, an image sensor 22, a lens driving device 23, and a rectangular parallelepiped housing 24 covering these components. The image sensor 22 converts light incident through the lens 21 into an image signal and outputs it. The lens driving device 23 drives the lens 21 in a direction parallel to the optical axis of the lens 21.

[0035] Here, an XYZ orthogonal coordinate system is used, in which the X-axis, Y-axis, and Z-axis are orthogonal to each other. The optical axis of the lens 21 is initially parallel to the Z-direction. Furthermore, when viewed from the lens 21, the subject side is the +Z side, sometimes referred to as the front side, and the opposite side (the image sensor 22 side) is the -Z side, sometimes referred to as the rear side.

[0036] like Figure 3 As shown, the optical component driving device 100 includes three motors 8 a , 8 b , and 8 c , a driven portion, a fixed portion, and a movable portion.

[0037] like Figure 9 As shown in FIG. 8 (A), motor 8 includes a piezoelectric plate 85 and a metal plate 86. Piezoelectric plate 85 is formed in a circular ring shape and comprises a plurality of piezoelectric elements 89. Metal plate 86 is provided in a circular ring shape on the surface of piezoelectric plate 85 and has a plurality of driving surfaces 88 formed by a plurality of cutouts 87 in the radial and thickness directions. In this embodiment, motor 8 utilizes three motors: motors 8a, 8b, and 8c.

[0038] The driven portion in the present embodiment has driven surfaces 670, 680, which are surfaces that abut against the plurality of driving surfaces 88, corresponding to the portions of the driven surfaces 670, 680 where the bracket 6 is provided. The driven portion rotates relative to the metal plate 86 about the axis of the circular ring-shaped center O of the motor 8 (the Z-axis in FIG. 1). Figure 9 In A of FIG. 1, the Z-axis), with respect to the metal plate 86.

[0039] The fixed portion in the present embodiment corresponds to the case 1, the second FPC 9, and the bottom plate 10, and in addition, the two rotating support portions 4 and the four position-detecting sensors 7 also belong to the fixed portion. In the present embodiment, the motor 8 is provided.

[0040] The movable portion in the present embodiment corresponds to the first FPC 3 and the four position-detecting magnets 5, except for the portions of the driven surfaces 670, 680 where the bracket 6 is provided. The bracket 6 has a rear plate 67, which is a holding portion that holds the camera module 2 as an optical member, and the driven surfaces 670, 680 where the driven portion is provided. Thus, the movable portion rotates relative to the fixed portion about the axis of the motor 8. In the present embodiment, the driven surfaces 670, 680 are constituted by a metal plate that constitutes the bracket 6 as described later, and the driven surfaces 670, 680 also constitute the movable portion.

[0041] The case 1 has a quadrangular front plate 17 and four side plates 18 that extend from the four sides of the front plate 17 toward the -Z side. The case 1 and the quadrangular bottom plate 10 combine to form a frame. On the front plate 17 of the case 1, a through-hole 15 is provided. The case 1 and the bottom plate 10 surround the bracket 6 and face the bracket 6.

[0042] The camera module 2 is housed in the holder 6. The holder 6 is a metal plate having elasticity, and has a back plate 67 as a horizontal portion and four side plates 68 standing from the four edges of the back plate 67. The back plate 67 is in a square shape. The side plates 68 are in an inverted T shape. The center of the back plate 67 is a driven surface 670 bulging toward the -Z side opposite to the side where the camera module 2 is present. The periphery of the driven surface 670 in the back plate 67 is a holding portion that holds the camera module 2. The center of the side plates 68 on the +X side and the -Y side are driven surfaces 680 bulging toward the +X side and the -Y side, respectively, opposite to the side where the camera module 2 is present. The center of the side plates 68 on the -X side and the +Y side are sliding surfaces 690 bulging toward the -X side and the +Y side, respectively, opposite to the side where the camera module 2 is present. The driven surfaces 670, 680 and the sliding surfaces 690 are convex spherical surfaces formed by, for example, press working. The two driven surfaces 680 and the two sliding surfaces 690 have the same shape and the same size. The center O of the driven surfaces 670, 680 and the sliding surfaces 690 is located at the center of the holding portion that is the center of the camera module 2, and coincides. The shaft of each motor 8 passes through the center O of the convex spherical surfaces of the driven surfaces 670, 680. There is a gap between the end edges of the adjacent side plates 68.

[0043] On the outer surface of the side plate 68 on the +X side, the two sides in the Y direction sandwiching the driven surface 680 and the two sides in the X direction of the outer surface of the side plate 68 on the -Y side sandwiching the driven surface 680, one position detection magnet 5 is provided, respectively. The position detection magnet 5 is excited so that the faces toward the outside are opposite poles on the +Z side and the -Z side. The position detection magnet 5 is used for detection of rotation of the camera module 2 held on the holder 6 around the axes in the X direction and the Y direction. On the +Y side of the position detection magnet 5 on the +X +Y side, another position detection magnet 5 is provided. The position detection magnet 5 is excited so that the faces toward the outside are opposite poles on the +Y side and the -Y side. The position detection magnet 5 is used for detection of rotation of the camera module 2 held on the holder 6 around the axis in the Z direction.

[0044] On the back side of the camera module 2, the first FPC 3 is arranged. The first FPC 3 has an external connection portion 36 parallel to the XY plane and two belt-shaped portions 37 extending from both the +Y side and the -Y side of the end edge of the external connection portion 36 toward the +X side. The two belt-shaped portions 37 are turned over on the back side of the end portion of the camera module 2 on the +X side toward the -X side, and the turned-over front ends penetrate the holder 6 to be connected to the camera module 2.

[0045] The second flexible printed circuit board 9 is mounted and fixed on the front surface of the base plate 10. The second flexible printed circuit board 9 is arranged to cover the +X side, -Y side, and -Z side of the bracket 6. The second flexible printed circuit board 9 has a first plate portion 98a parallel to the YZ plane, a second plate portion 98b parallel to the XZ plane, a third plate portion 98c parallel to the XY plane, and an external connection portion 97 that bends and protrudes from the rear end of the first plate portion 98a toward the -X side.

[0046] The first plate portion 98a and the second plate portion 98b are T-shaped. The -Y side edge of the first plate portion 98a intersects and connects with the +X side edge of the second plate portion 98b at a right angle. The third plate portion 98c has a rectangular shape, with the -Y side edge intersecting and connecting with the -Z side edge of the second plate portion 98b at a right angle.

[0047] A through-hole 980 is provided at the center of each of the first plate portion 98a, the second plate portion 98b, and the third plate portion 98c. Five position detection sensors 7 are provided on both sides of the inner surface of the first plate portion 98a in the Y direction, sandwiching the through-hole 980, and on both sides of the inner surface of the second plate portion 98b in the X direction, sandwiching the through-hole 980. Each position detection sensor 7 is a Hall element. Each position detection sensor 7 detects the magnetic field of the position detection magnet 5 facing the sensor 7 and outputs a signal indicating the detection result.

[0048] like Figure 2 As shown, external connection portion 36 of first flexible printed circuit board 3 extends outward from the -X side of optical component driving device 100, while external connection portion 97 of second flexible printed circuit board 9 extends outward from the +X side, through the gap provided between cover 1 and base plate 10. External connection portion 36 and external connection portion 97 are connected and fixed to an external substrate.

[0049] The motors 8a, 8b, and 8c have a disk portion 81 formed of a piezoelectric plate 85 and a metal plate 86, and a cylindrical protrusion 83 provided at the center of the disk portion 81 and protruding on the opposite side of the driving surface 88. The annular center axis of the piezoelectric plate 85 and the metal plate 86 becomes the center of rotation. The protrusion 83 passes through the through hole 980, and the motors 8a, 8b, and 8c are bonded and fixed to the cover 1. The surface of the disk portion 81 of the motors 8a, 8b, and 8c facing the second FPC 9 is fixed to the first plate portion 98a, the second plate portion 98b, and the third plate portion 98c in a deformable manner via a soft component such as an elastomer component. Alternatively, it is possible to do so without any component and without contact with other components. In this embodiment, the driving surface 88 adopts a concave spherical surface that is consistent with the driven surfaces 670, 680 and the center O.

[0050] The rotation support portion 4 is shaped like the motor 8 as a whole, has a disc portion 41 that abuts against the sliding surface 690, and has a convex portion 43 that protrudes from the center of the disc portion 41. The abutment surface 44 is a concave spherical surface that coincides with the center O of the driven surface 680 and the center O of the sliding surface 690, but need not be divided like the driven surface 88. The convex portion 43 of the rotation support portion 4 is adhesively fixed to the cover 1, but the disc portion 41 can be directly adhesively fixed without the convex portion 43. The rotation support portion 4 can be formed of metal or resin with a low coefficient of friction. The rotation support portion 4 is formed by metal press working or resin molding, and can be highly accurate and automated.

[0051] In the X direction, the motor 8a is mounted on the side plate 18 of the cover 1 on the +X side to abut against the driven surface 680 of the holder 6, and the rotation support portion 4 is mounted on the side plate 18 on the -X side to abut against the sliding surface 690 of the holder 6. At this time, the driven surface 680 and the sliding surface 690 of the holder 6 are pushed against the side plate 18 by the elastic force that opens the side plate 68 of the holder 6 to the outside. Thus, the holder 6 is stably supported between the motor 8a and the rotation support portion 4. The center O of the driven surface 680 and the center O of the sliding surface 690 coincide with the center of the camera module 2, and the axis of the motor 8a that extends in the aforementioned X direction passes through the center O. Further, the axis passes through the center of the disc portion 41 of the rotation support portion 4.

[0052] In the Y direction, the motor 8b is mounted on the side plate 18 on the -Y side to abut against the driven surface 680 of the holder 6, and the rotation support portion 4 is mounted on the side plate 18 on the +Y side to abut against the sliding surface 690 of the holder 6. At this time, the driven surface 680 and the sliding surface 690 of the holder 6 are pushed against the side plate 18 by the elastic force that opens the side plate 68 of the holder 6 to the outside. Thus, the holder 6 is stably supported between the motor 8b and the rotation support portion 4. The center O of the driven surface 680 and the center O of the sliding surface 690 coincide with the center of the camera module 2, and the center O of the driven surface 680 and the center O of the sliding surface 690 in the X direction also coincide. Further, the axis of the motor 8b that extends in the Y direction passes through the center O, and the axis passes through the center of the disc portion 41 of the rotation support portion 4.

[0053] In the Z direction, the motor 8c is mounted on the bottom plate 10 to abut against the driven surface 670 of the holder 6. At this time, the driven surface 680 and the sliding surface 690 are displaced to the +Z side, and are blocked by the +Z side of the driven surface 88 of the motors 8a and 8b and the +Z side of the abutment surface 44 of the rotation support portion 4, so the driven surface 670 always abuts against the driven surface 88 of the motor 8c. The center O of the driven surface 670 coincides with the center O of the driven surface 680. The axis that extends in the Z direction of the motor 8c passes through the center O, and the axis coincides with the optical axis in the initial state.

[0054] By the above configuration, the camera module 2 held on the holder 6 is freely supported in the X, Y, Z directions together with the holder 6. Thus, the camera module 2 is rotated by the motor 8a around the X axis, by the motor 8b around the Y axis, and by the motor 8c around the Z axis.

[0055] When a voltage is applied to each piezoelectric element 89 of the piezoelectric plate 85 as shown in (A) of FIG. 8, each piezoelectric element 89 expands and contracts according to the voltage, but the metal plate 86 does not expand and contract. Thus, the disc portion 81 is deformed in the circumferential direction so that the driving surface 88 generates a portion that protrudes as a whole and a portion that is recessed. At this time, as shown in (B) of FIG. 8, the interval of the adjacent driving surfaces 88, that is, the width of the cutout 87 is changed. For example, by applying a rectangular wave of a resonance frequency to each piezoelectric element 89, such a deformation can be generated. Further, by changing the phase, as shown in (B) of FIG. 8, the driving surface 88 is elliptically moved along the circumferential direction. For example, in a case where the driven surface 670 of the holder 6 is caused to move in the clockwise direction around the axis in the Z direction, a voltage is applied in such a manner that the driving surface 88 moves in the clockwise direction at the time of protrusion in the circular ring shape. Figure 9 Figure 9 Figure 9

[0056] The above is a detail of the configuration of the present embodiment. The optical member driving apparatus 100 of the present embodiment includes the motor 8 having the piezoelectric plate 85 composed of a plurality of piezoelectric elements 89 formed in a circular ring shape and the circular ring-shaped metal plate 86 provided on the surface of the piezoelectric plate 85 and having a plurality of driving surfaces 88 formed by providing a plurality of cutouts 87 in the radial direction and the thickness direction, the portion of the driven surface 670, 680 of the holder 6 as the driven portion having the driven surface 670, 680 abutting against the plurality of driving surfaces 88 and relatively rotating around the axis with respect to the metal plate 86, the fixing portion provided with one of the motor 8 or the driven portion, and the holder 6 as the movable portion having the holding portion holding the camera module 2 as the optical member, provided with the other of the motor 8 or the driven portion, and relatively rotating around the axis with respect to the fixing portion. The driving surface 88 of the motor 8 abuts against the driven surface 670, 680 of the driven portion and rotates, and thus, even if it is small, it has a large driving force. Thus, it is possible to provide the optical member driving apparatus 100 that can obtain a large driving force even if it is small.

[0057] ​​​Further, in the above embodiment, it is preferable that the holder 6 is urged from the front side toward the motor 8c by a spring member or the like, and stably abuts against the driving surface 88 and the driven surface 670. As the spring member, a leaf spring can be used, or the bottom plate 10 can be warped so that the central portion of the bottom plate 10 is slightly more forward than the peripheral portion, or the holder 6 can be urged by the elastic force of the holder 6 as an elastic member by fixing the protrusions 83 of the motors 8a, 8b and the protrusions 43 of the rotation support portion 4 to be slightly more rearward than the original positions. Further, instead of the spring member, a magnet and a magnetic body or the attractive force or reaction force of the magnet can be used.

[0058] Further, in the above embodiment, the motors 8a, 8b and the driven surface 680 can be provided instead of the motor 8c and the driven surface 670, and the holder 6 can be driven around the two axes of the X and Y directions. Further, the rotation support portion 4 can be replaced by the motor 8. In this case, the sliding surface 690 becomes the driven surface 680.

[0059] The optical member is not limited to the camera module 2. For example, instead of the light incident surface, the reflection surface, and the emission surface, a prism can be used, and the motor and the driven portion can be provided on one surface side, and the rotation support portion and the sliding surface can be provided on the other surface side, and the normal line direction of the side surface can be rotated around the axis.

[0060] The driving surface 88 as a whole becomes a flat surface. Further, the individual driving surfaces 88 can be formed as flat surfaces, and the normal line of the flat surface can pass through the center O of the driven surface 670, 680. Further, the normal line of the driving surface 88 can be a conical surface that passes through the center O of the driven surface 670, 680. Similarly, the normal line of the abutting surface 44 can be a conical surface that passes through the center O of the sliding surface 690. Further, the abutting surface 44 can be formed so as to support the sliding surface 690 by three-point contact.

[0061] The driven surfaces 670, 680 that constitute the driven portion are formed of a metal plate that constitutes the holder 6, but can be formed of other members that form the driven surfaces 670, 680, for example, by being adhesively fixed to the holder 6. Without considering the elasticity of the holder 6, it is easy to obtain an appropriate frictional or wear state with the driving surface 88. Further, with respect to the driving surface 88, instead of the material of the metal plate 86 itself, some surface treatment can be performed, or the treatment can be performed to change the frictional or wear state between the driven surfaces 670, 680. The same applies to the sliding surface 690 and the abutting surface 44.

[0062] The motor 8 can be provided in the movable portion, and the driven portion can be provided in the fixed portion. In this case, it is preferable that the driven surfaces 670, 680 of the driven portion are concave spherical surfaces. Further, in this case, the centers O of the concave spherical surfaces can be made to coincide.

[0063] SYMBOLS

[0064] 1 cover; 2 camera module; 3 first FPC; 4 rotation support portion; 5 position detection magnet; 6 bracket; 7 position detection sensor; 8, 8a, 8b, 8c motor; 9 second FPC; 10 bottom plate; 15, 980 through hole; 17 front plate; 18, 68 side plate; 21 lens body; 22 image sensor; 23 lens driving device; 24 frame; 36, 97 external connection portion; 37 band-shaped portion; 41 disc portion; 43 protruding portion; 44 abutting surface; 67 rear plate; 81 disc portion; 83 protruding portion; 85 piezoelectric plate; 86 metal plate; 87 cutout; 88 driving surface; 89 piezoelectric element; 98a first plate portion; 98b second plate portion; 98c third plate portion; 100 optical member driving device; 101 camera device; 109 smartphone; 670, 680 driven surface; 690 sliding surface.

Claims

1. An optical component driving device characterized by comprising: Possessing: a motor having: a piezoelectric plate composed of a plurality of piezoelectric elements formed in a circular ring shape; and a circular ring-shaped metal plate provided on a surface of the piezoelectric plate, having a plurality of driving surfaces formed by providing a plurality of notches in a radial direction and a thickness direction; a driven portion having a driven surface abutting against the plurality of driving surfaces, relatively rotating around the central axis of the circular ring shape with respect to the metal plate; a frame having a cover and a bottom plate, provided with the motor, the cover having a quadrangular front plate and four side plates extending from four sides of the front plate to a rear side, the cover and the quadrangular bottom plate being combined; and a movable portion having a holding portion holding an optical member on a rear plate of a bracket, provided with the driven portion, relatively rotating around the axis with respect to the frame, the bracket being a plate having elasticity, having the rear plate as a horizontal portion and four side plates standing up from four sides of the rear plate, the cover and the bottom plate surrounding the bracket, facing the bracket, a first driven surface being provided in the center of one side of the two side plates of the bracket opposite to each other, and a sliding surface or a second driven surface being provided in the center of the other side, wherein the motor includes a first motor, on the one side, the first motor being mounted on the side plate of the cover, abutting against the first driven surface of the bracket, on the other side, a rotation support portion being mounted on the side plate of the cover, abutting against the sliding surface of the bracket, the rotation support portion being the same shape as the first motor as a whole, the first driven surface and the sliding surface of the bracket being pushed against the side plate of the bracket by elastic force opening to the outside of the side plate of the bracket, to the side plate of the cover, or the motor includes a first motor and a second motor, on the one side, the first motor being mounted on the side plate of the cover, abutting against the first driven surface of the bracket, on the other side, the second motor being mounted on the side plate of the cover, abutting against the second driven surface of the bracket, the first driven surface and the second driven surface of the bracket being pushed against the side plate of the bracket by elastic force opening to the outside of the side plate of the bracket, to the side plate of the cover.

2. The optical member driving device according to claim 1, wherein the first driven surface of the driven portion provided in the movable portion is a convex spherical surface facing a side opposite to a side of the optical member, and the axis passes through the center of the convex spherical surface.

3. The optical member driving device according to claim 2, wherein the first driven surface and a convex spherical surface of the same shape as the first driven surface are provided on both sides of the holding portion, and the centers of the two convex spherical surfaces are located in the center of the holding portion and coincide.

4. The optical member driving device according to claim 3, wherein the frame surrounds the movable portion and faces the movable portion, the first driven surface abuts against the driving surface of the first motor, and the second driven surface abuts against the driving surface of the second motor. The convex spherical surface of the same shape as the first driven surface abuts against a concave spherical surface, a conical surface, or an abutting surface having three abutting points provided in a rotation support portion of the frame body, or the driving surface of the second motor.

5. The optical member driving device according to claim 3, wherein The first driven surface and the convex spherical surface of the same shape as the first driven surface are further sandwiched by the holding portion provided on the other two sides, the centers of the four convex spherical surfaces are located at the center of the holding portion and are consistent, and the two axes are orthogonal.

6. The optical member driving device according to claim 5, wherein Another driven surface is further provided, the centers of the five convex spherical surfaces are located at the center of the holding portion and are consistent, and the three axes are orthogonal to each other.

7. The optical member driving device according to claim 1, wherein The piezoelectric plate on the side opposite to the side on which the metal plate is provided is held to the frame body or the movable portion via an elastic member.

8. The optical member driving device according to claim 1, wherein An FPC is provided, the FPC having three plate portions facing the horizontal portion of the bracket and the two side plates, The first motor is provided on each of the plate portions.

9. The optical member driving device according to claim 8, wherein A position detection sensor is provided on both sides of each of the first motors sandwiched by the plate portions facing the two side plates.

10. A camera device, characterized by The optical member driving device according to any one of claims 1 to 9 is provided.

11. An electronic device, comprising: The camera device according to claim 10 is provided.

Images