Optical unit with shake correction function

Abstract

The present application provides an optical unit with a shake correction function, in an optical unit with a shake correction function having a pitch direction and a yaw direction, miniaturization is achieved, and damage to a wiring substrate drawn from a camera module is prevented. In the optical unit with a shake correction function, a first inner side wall surface disposed inward of a first strip-shaped portion of the wiring substrate in the Y direction and a second inner side wall surface disposed inward of a second strip-shaped portion of the wiring substrate in the X direction are formed on an intermediate member holding portion, and a first outer side wall surface disposed outward of the first strip-shaped portion in the Y direction and a second outer side wall surface disposed outward of the second strip-shaped portion in the X direction are formed on an outer peripheral side covering portion. The interval between the first inner side wall surface and the first outer side wall surface is narrower than the interval between the second inner side wall surface and the second outer side wall surface.

Description

Technical Field

[0001] The present invention relates to an optical unit with shake correction function installed in portable devices and the like. Background Technology

[0002] Previously, an optical unit with jitter correction function installed in portable devices and the like was known (for example, see Patent Document 1). The optical unit described in Patent Document 1 includes: a movable body having an optical module; a fixed body that holds the movable body in a rotatable manner; and a flexible printed circuit board extending from the optical module. The movable body can rotate relative to the fixed body about the optical axis of the optical module, and jitter correction in the roll direction is possible in this optical unit. Furthermore, jitter correction in the pitch direction and jitter correction in the yaw direction are also possible in this optical unit.

[0003] In the optical unit described in Patent Document 1, the fixed body has an outer shell disposed on the outer periphery of the movable body. The outer shell has a square shape when viewed from the optical axis direction, which is the optical axis of the optical module. The flexible printed circuit board has a strip-shaped portion that wraps around two adjacent sides of the four sides constituting the outer periphery of the outer shell in the circumferential direction. One end of the strip-shaped portion is fixed to the retaining frame of the movable body, and the other end of the strip-shaped portion is fixed to the outer shell. A gap is formed between the side of the outer shell and the strip-shaped portion.

[0004] Existing technical documents

[0005] Patent documents

[0006] Patent Document 1: Japanese Patent Application Publication No. 2020-27134 Summary of the Invention

[0007] The technical problem that the invention aims to solve

[0008] The inventors of this application have developed an optical unit with jitter correction functionality. This optical unit does not perform jitter correction in the roll direction, but rather in the pitch and yaw directions. The optical unit includes a camera module, from which a wiring board such as a flexible printed circuit board is led out. This optical unit with jitter correction functionality is sometimes mounted in portable devices such as smartphones, and therefore is preferably small.

[0009] Furthermore, in this optical unit with shake correction function, the wiring board leading from the camera module moves with the movement of the camera module during pitch or yaw shake correction. As the wiring board moves with the camera module during pitch or yaw shake correction, it repeatedly comes into contact with other components, potentially leading to damage over time. Damage to the wiring board could impair the camera module's imaging function.

[0010] Therefore, the objective of this invention is to provide an optical unit with jitter correction function that can be miniaturized and prevent damage to the wiring board leading from the camera module in an optical unit with jitter correction function that has jitter correction functions in both pitch and yaw directions.

[0011] Technical solutions adopted to solve technical problems

[0012] To solve the above-mentioned technical problems, the optical unit with jitter correction function of the present invention includes: a movable body having a camera module; an intermediate member that holds the movable body in a rotatable manner; a fixed body that holds the intermediate member in a rotatable manner; a magnetic drive mechanism for rotating the movable body relative to the fixed body in an arbitrary direction relative to the optical axis of the camera module; and a wiring board extending from the camera module. When a direction orthogonal to the optical axis of the camera module disposed at a predetermined reference position is set as a first direction, a direction orthogonal to both the optical axis of the camera module disposed at the reference position and the first direction is set as a second direction, and one side of the optical axis direction that is the direction of the optical axis of the camera module is set as the subject side, the subject... When the opposite side of the camera module is set as the opposite side of the subject, the fixing body includes an intermediate component holding part that holds the intermediate component in a rotatable manner and an outer peripheral side covering part that covers the outer peripheral side of the intermediate component holding part. The wiring board includes: a module mounting part that is mounted on the end face of the camera module opposite to the subject; a lead-out part that extends from the module mounting part to the outer peripheral side of the camera module; an elongated strip-shaped part that is connected to the lead-out part at one end and passes around the outer peripheral side of the intermediate component holding part and the inner peripheral side of the outer peripheral side covering part; and a fixed part that is connected to the other end of the strip-shaped part and fixed to the outer peripheral surface of the intermediate component holding part. When the optical axis of the camera module is at the reference position and viewed from the optical axis direction, the intermediate component holding part... The shape is square or rectangular, and the four sides of the outer peripheral surface of the intermediate component holding part are parallel to the first direction or the second direction. When one of the two sides of the intermediate component holding part parallel to the first direction is designated as the first side, and one of the two sides of the intermediate component holding part parallel to the second direction is designated as the second side, the width direction of the strip is parallel to the optical axis direction when the optical axis of the camera module is in the reference position. The lead-out part extends from the side of the module mounting part toward the first direction on the second side. The strip passes around the first side and the second side, and is fixed to the outer peripheral surface of the intermediate component holding part on the first side by the fixing part. The portion of the strip arranged along the first side is designated as the first strip, and the portion of the strip arranged along the second side is designated as the second strip. When the portion is configured as a second strip, the intermediate component holding portion has a planar first inner wall surface disposed in the second direction on the inner side of the first strip and orthogonal to the second direction, and a planar second inner wall surface disposed in the first direction on the inner side of the second strip and orthogonal to the first direction. The outer peripheral covering portion has a planar first outer wall surface disposed in the second direction on the outer side of the first strip and parallel to the first inner wall surface, and a planar second outer wall surface disposed in the first direction on the outer side of the second strip and parallel to the second inner wall surface. The interval between the first inner wall surface and the first outer wall surface in the second direction is narrower than the interval between the second inner wall surface and the second outer wall surface in the first direction.

[0013] In the optical unit with jitter correction function of the present invention, the wiring substrate leading from the camera module has an elongated strip-shaped portion. This strip-shaped portion passes around the outer periphery of the intermediate component holding portion, which holds the intermediate component in a rotatable manner, and the inner periphery of the outer peripheral side covering portion that covers the outer periphery of the intermediate component holding portion. The strip-shaped portion passes around the first side and the second side of the intermediate component holding portion. In addition, in the present invention, when the portion of the strip-shaped portion arranged along the first side is designated as the first strip-shaped portion, and the portion of the strip-shaped portion arranged along the second side is designated as the second strip-shaped portion, a planar first inner wall surface disposed in the second direction and orthogonal to the second direction and a planar second inner wall surface disposed in the first direction and orthogonal to the first direction are formed on the intermediate component holding portion. A planar first outer wall surface disposed in the second direction and parallel to the first inner wall surface and a planar second outer wall surface disposed in the first direction and parallel to the second inner wall surface are formed on the outer peripheral side covering portion.

[0014] Furthermore, in this invention, the interval between the first inner wall surface and the first outer wall surface in the second direction is narrower than the interval between the second inner wall surface and the second outer wall surface in the first direction. Thus, in this invention, since the interval between the first inner wall surface and the first outer wall surface in the second direction is narrower than the interval between the second inner wall surface and the second outer wall surface in the first direction, compared to the case where the interval between the first inner wall surface and the first outer wall surface in the second direction is the same as the interval between the second inner wall surface and the second outer wall surface in the first direction, the optical unit with jitter correction function can be miniaturized in the second direction.

[0015] Furthermore, in this invention, since the lead-out portion of one end of the connecting strip portion extends from the module mounting portion on the end face opposite to the subject of the camera module to the side of the second side of the intermediate component holding portion in the first direction, and the fixed portion connected to the other end of the strip portion is fixed on the outer peripheral surface of the intermediate component holding portion on the first side, as the camera module moves during the movement of the camera module when performing pitch and yaw direction jitter correction, the second strip portion arranged along the second side moves a larger extent, but the first strip portion arranged along the first side does not move as much as the second strip portion.

[0016] Furthermore, in this invention, the spacing between the second inner wall surface and the second outer wall surface in the first direction is wider than the spacing between the first inner wall surface and the first outer wall surface in the second direction. Since the spacing between the second inner wall surface and the second outer wall surface in the first direction is relatively wide, even if the second strip portion moves significantly due to the movement of the camera module during pitch or yaw correction, contact between the second strip portion disposed between the second inner wall surface and the second outer wall surface can be prevented. Therefore, in this invention, damage to the second strip portion can be prevented. Specifically, damage to the second strip portion caused by repeated contact between the second strip portion and the second inner wall surface or the second outer wall surface can be prevented.

[0017] Furthermore, in this invention, since the first strip does not move as significantly as the second strip during the movement of the camera module when performing pitch or yaw direction shake correction, even if the gap between the first inner wall and the first outer wall in the second direction is narrower than the gap between the second inner wall and the second outer wall in the first direction, contact between the first strip disposed between the first inner wall and the first outer wall can be prevented when the first strip moves during the movement of the camera module when performing pitch or yaw direction shake correction. Therefore, in this invention, damage to the first strip can be prevented. Specifically, damage to the first strip caused by repeated contact between the first strip and the first inner wall or the first outer wall can be prevented.

[0018] As described above, in this invention, the optical unit with jitter correction function can be miniaturized in the second direction, and damage to the first strip and the second strip can be prevented. Therefore, in this invention, the optical unit with jitter correction function can be miniaturized, and damage to the wiring board leading from the camera module can be prevented.

[0019] In this invention, for example, the strip portion is made of a flexible printed circuit board.

[0020] In this invention, for example, the intermediate component holding portion includes a first upper wall portion disposed on the subject side of the first strip portion and a second upper wall portion disposed on the subject side of the second strip portion. The subject-opposite side surface of the first upper wall portion is the subject-side end connected to the first inner wall surface and extends outward in a second direction to cover the first upper wall surface of the first strip portion from the subject side. The subject-opposite side surface of the second upper wall portion is the subject-side end connected to the second inner wall surface and extends outward in a first direction to cover the second upper wall surface of the second strip portion from the subject side. The outer end face of the first upper wall portion in the second direction is parallel to the first outer wall surface, and the outer end face of the second upper wall portion in the first direction is parallel to the second outer wall surface. The width of the first upper wall surface in the second direction is narrower than the width of the second upper wall surface in the first direction.

[0021] In this invention, for example, when the wiring board is bent at a 90-degree angle at the boundary between the lead-out portion and the strip portion, and the lead-out portion of the second strip portion is designated as the base-side second strip portion, and the first strip portion of the second strip portion is designated as the front-end side second strip portion, the subject-side end face of the base-side second strip portion is positioned closer to the subject side than the subject-side end face of the front-end side second strip portion, and a notch is formed on the second upper wall portion to prevent interference between the base-side second strip portion and the second upper wall portion. In this case, even if the subject-side end face of the base-side second strip portion is positioned closer to the subject side than the subject-side end face of the front-end side second strip portion, the portion of the optical unit with jitter correction function having the second upper wall portion can be miniaturized in the optical axis direction of the camera module, and interference between the base-side second strip portion and the second upper wall portion can be prevented.

[0022] In this invention, for example, the second strip portion passes through to the end of the first side of the second side, and the first strip portion passes through from the end of the second side of the first side to the center of the first side, and is fixed to the outer peripheral surface of the intermediate component holding portion by the fixing portion at the center of the first side.

[0023] Invention Effects

[0024] As described above, in the present invention, the optical unit with jitter correction function, which has jitter correction functions in both pitch and yaw directions, can be miniaturized, and damage to the wiring board leading from the camera module can be prevented. Attached Figure Description

[0025] Figure 1 This is a perspective view of an optical unit with jitter correction function according to an embodiment of the present invention.

[0026] Figure 2 yes Figure 1An exploded perspective view of the optical unit with jitter correction function is shown.

[0027] Figure 3 From Figure 1 The image shows a bottom view of the optical unit with shake correction function in its state after the cover component has been removed.

[0028] Figure 4 It is Figure 3 The diagram shows a perspective view of the housing and wiring board extracted.

[0029] Figure 5 It is Figure 3 The side view shows a portion of the housing and a portion of the wiring board extracted.

[0030] Figure 6 It is indicated from the bottom. Figure 3 A perspective view of a portion of the casing shown.

[0031] Figure 7 It is used for explanation Figure 3 An enlarged view of the structure of part E.

[0032] Explanation of reference numerals in the attached figures

[0033] 1…Optical unit (optical unit with shake correction function); 2…Camera module; 3…Moveable body; 4…Intermediate component; 5…Fixed body; 8, 9…Magnetic drive mechanism; 10…Wiring board; 10a…First board section (module mounting section); 10c…Third board section (fixed section); 10g…Lead-out section; 10h…Strip section; 10j…First strip section; 10k…Second strip section; 10p…Second strip section on the base end side; 10r…Second strip section on the front end side; 17…Housing (intermediate component holding section); 17a…First side; 17b…Second side; 17c…First inner wall surface; 17d…Second inner wall surface; 17g…First upper wall section; 17h…Second upper wall section ; 17j… First upper sidewall; 17k… Second upper sidewall; 17p… Front end face (outer end face of the first upper wall portion in the second direction); 17r… Right end face (outer end face of the second upper wall portion in the first direction); 17s… Notch; 18b… Cylindrical portion (outer peripheral covering portion); 18c… First outer sidewall; 18d… Second outer sidewall; D1… Spacing between the first inner sidewall and the first outer sidewall in the second direction; D2… Spacing between the second inner sidewall and the second outer sidewall in the first direction; L… Optical axis; W1… Width of the first upper sidewall in the second direction; W2… Width of the second upper sidewall in the first direction; X… First direction; Y… Second direction Detailed Implementation

[0034] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

[0035] (Overall structure of the optical unit with jitter correction function)

[0036] Figure 1 This is a perspective view of the optical unit 1 with jitter correction function according to an embodiment of the present invention. Figure 2 yes Figure 1 An exploded perspective view of the optical unit 1 with jitter correction function shown. Figure 3 From Figure 1 The image shown is a bottom view of the optical unit 1 with shake correction function after removing the cover components 18 and 19.

[0037] In the following explanation, such as Figure 1 As shown, the three mutually orthogonal directions are designated as the X, Y, and Z directions, respectively. The X direction is designated as the left-right direction, the Y direction as the front-back direction, and the Z direction as the up-down direction. Additionally, the side designated as the left-right direction... Figure 1 The X1 direction side is set as the "right" side, and its opposite side is... Figure 1 The X2 direction side is set as the "left" side, and the front-back direction side is... Figure 1 The Y1 direction side is designated as the "front" side, and its opposite side is... Figure 1 The Y2 direction side is set as the "back" side, and the vertical side is... Figure 1 The Z1 direction side is designated as the "up" side, and its opposite side is... Figure 1 The Z2 direction side is set as the "bottom" side.

[0038] The optical unit 1 with shake correction function in this method (hereinafter referred to as "optical unit 1") is, for example, a small and thin unit installed in a portable device such as a smartphone, and includes a camera module 2 with a lens and an image capturing element. The optical unit 1 has a shake correction function to prevent distortion in the captured image when shake occurs during shooting. Specifically, the optical unit 1 has shake correction functions in the pitch and yaw directions. However, the optical unit 1 does not have shake correction functions in the roll direction.

[0039] The optical unit 1 is formed as a whole into a thin, flat cuboid shape. In this embodiment, the optical unit 1 is formed so that it is square when viewed from the optical axis direction, which is the optical axis L of the camera module 2. The four sides of the optical unit 1 are parallel to the ZX plane formed by the left-right and up-down directions or the YZ plane formed by the front-back and up-down directions.

[0040] The optical unit 1 includes a movable body 3 with a camera module 2, an intermediate member 4 that holds the movable body 3 in a rotatable manner, and a fixed body 5 that holds the intermediate member 4 in a rotatable manner (see reference). Figure 1The movable body 3 can move in a first intersecting direction that intersects the optical axis L of the camera module 2. Figure 3 The movable body 3 can rotate relative to the intermediate component 4 with the V direction as the axis of rotation. That is, the movable body 3 can rotate around the first axis L1 (refer to the first intersecting direction) with the first intersecting direction as the axis of rotation. Figure 3 The rotation center is 4, which rotates relative to the intermediate component 4. The first intersecting direction of this method is orthogonal to the optical axis L.

[0041] The intermediate component 4 can be positioned in a second intersecting direction that intersects the first intersecting direction and the optical axis L of the camera module 2. Figure 3 The intermediate component 4 can rotate relative to the fixed body 5 with the W direction as the axis of rotation. That is, the intermediate component 4 can rotate with respect to the second axis L2 (refer to the second intersecting direction) as the axis of rotation. Figure 3 The movable body 3 rotates relative to the fixed body 5, with the rotation center being the fixed body 5. In this configuration, the second intersecting direction is orthogonal to the first intersecting direction. Thus, a two-axis gimbal mechanism is formed between the movable body 3 and the fixed body 5.

[0042] In this configuration, when no current is supplied to the first drive coil 25 and the second drive coil 27 (described later), the movable body 3 and the intermediate component 4 are positioned at a predetermined reference position, and the optical axis L of the camera module 2 is positioned at the predetermined reference position. When the movable body 3 and the intermediate component 4 are positioned at the reference position and the optical axis L of the camera module 2 is located at the reference position, the direction of the optical axis of the camera module 2 is consistent with the vertical direction.

[0043] In this configuration, the left-right direction (X-direction) is the first direction, orthogonal to the optical axis L of the camera module 2 positioned at the reference position. The front-back direction (Y-direction) is the second direction, orthogonal to both the optical axis L of the camera module 2 positioned at the reference position and the left-right direction (the first direction). Furthermore, during pitch and yaw jitter correction, the tilt of the optical axis L of the camera module 2 relative to the vertical direction is very small. Therefore, the optical axis direction of the camera module 2 is approximately aligned with the vertical direction.

[0044] Furthermore, when the movable body 3 is positioned at a predetermined reference position, the second intersecting direction (W direction) is orthogonal to the optical axis L. That is, when the movable body 3 is positioned at the predetermined reference position without rotating relative to the intermediate member 4, the second intersecting direction is orthogonal to the optical axis L. On the other hand, when the movable body 3 rotates relative to the intermediate member 4, the second intersecting direction intersects the optical axis L, but not at a right angle. When viewed from below, the second intersecting direction (W direction) is relative to the front-back direction. Figure 3 It is offset by about 45 degrees in a counterclockwise direction.

[0045] The optical unit 1 includes magnetic drive mechanisms 8 and 9 (see reference) for rotating the movable body 3 relative to the fixed body 5 to tilt the optical axis L of the camera module 2 in any direction. Figure 3 Additionally, the optical unit 1 includes a wiring board 10 extending from the camera module 2, a wiring board 11 on which a first drive coil 25 (described later), constituting part of the magnetic drive mechanism 8, and a second drive coil 27 (described later), constituting part of the magnetic drive mechanism 9, are mounted. At both ends of the intermediate member 4 in the first intersecting direction, first fulcrum portions 12 are provided, serving as fulcrums for the rotation of the movable body 3 relative to the intermediate member 4. At both ends of the intermediate member 4 in the second intersecting direction, second fulcrum portions 13 are provided, serving as fulcrums for the rotation of the intermediate member 4 relative to the fixed body 5.

[0046] The movable body 3 is generally formed into a flat, roughly rectangular parallelepiped shape with a relatively thin profile along the optical axis. The movable body 3 includes a holder 16 for fixing the camera module 2. The holder 16 is made of resin material. The holder 16 is formed into a square frame shape, and its shape is square when viewed from the optical axis direction with the movable body 3 and the intermediate component 4 positioned in the reference position. Furthermore, when the movable body 3 and the intermediate component 4 are positioned in the reference position, two of the four sides of the outer periphery of the square-shaped holder 16 are parallel to the front-back direction, and the remaining two sides are parallel to the left-right direction.

[0047] The camera module 2 is fixed to the inner peripheral surface of the retainer 16, such that the outer peripheral side of the camera module 2 is covered by the retainer 16. As described above, the camera module 2 has a lens and an imaging element. The imaging element is disposed on the lower end side of the camera module 2, and the subject disposed on the upper side of the camera module 2 is captured by the camera module 2.

[0048] As described above, when performing jitter correction in the pitch and yaw directions, the tilt of the optical axis L of the camera module 2 relative to the vertical direction is very small, and the optical axis direction of the camera module 2 is approximately consistent with the vertical direction. Therefore, when one side of the optical axis direction of the camera module 2 (specifically, the side where the subject is arranged in the optical axis direction of the camera module 2) is set as the subject side, and the opposite side of the subject side (specifically, the side where the imaging element is arranged in the optical axis direction of the camera module 2) is set as the opposite side of the subject, the subject side is approximately consistent with the upper side, and the opposite side of the subject is approximately consistent with the lower side.

[0049] The intermediate component 4 is made of a metal material such as stainless steel. Furthermore, the intermediate component 4 is a leaf spring formed by bending a flexible metal plate into a predetermined shape. The intermediate component 4 consists of a base 4a positioned above the retainer 16, two arms 4b extending from the base 4a in a first intersecting direction, and two arms 4c extending from the base 4a in a second intersecting direction. The base 4a is formed into a roughly square frame shape. The upper end of the camera module 2 is disposed on the inner periphery of the base 4a.

[0050] The front ends of arms 4b and 4c are bent downwards. Arm 4b is disposed on the inner periphery of the retainer 16. Arm 4c is disposed on the outer periphery of the retainer 16. Additionally, arm 4c is disposed on the inner periphery of the housing 17 (described later), which forms part of the fixing body 5. A hemispherical recess is formed at the front end of arm 4b, and a portion of a sphere forming part of the first fulcrum 12 is disposed therein. A hemispherical recess is formed at the front end of arm 4c, and a portion of a sphere forming part of the second fulcrum 13 is disposed therein.

[0051] The fixed body 5 includes a frame-shaped housing 17 disposed outside the movable body 3 and the intermediate member 4, a cover member 18 covering the sides and lower surface of the housing 17, and a cover member 19 covering the upper surface of the housing 17. The housing 17 is formed of resin material. The intermediate member 4 is rotatably held in the housing 17. In this embodiment, the housing 17 is an intermediate member holding part that rotatably holds the intermediate member 4.

[0052] The housing 17 is formed as a flat, four-cornered cylindrical shape with openings at both ends in the vertical direction. The upper surface of the housing 17 is a plane orthogonal to the vertical direction. When viewed from the vertical direction, the housing 17 has a square frame shape. That is, when the optical axis L of the camera module 2 is at the reference position, the housing 17 appears square when viewed from the optical axis direction of the camera module 2. When viewed from the vertical direction, two of the four sides of the outer peripheral surface of the housing 17, which has a square shape, are parallel to the front-back direction, and the remaining two sides are parallel to the left-right direction. In other words, when viewed from the vertical direction, the four sides of the outer peripheral surface of the housing 17 are parallel to either the front-back or left-right direction. A more detailed structure of the housing 17 will be described later.

[0053] The cover component 18 is formed in the shape of a bottomed square tube, which has a flat, square bottom 18a and a square tube-shaped cylindrical portion 18b that rises upward from the bottom 18a. When viewed from above, the cover component 18 has a square shape. When viewed from above, two of the four sides of the outer periphery of the square-shaped cover component 18 are parallel to the front-back direction, and the remaining two sides are parallel to the left-right direction.

[0054] The bottom portion 18a forms the bottom surface of the optical unit 1. The upper surface of the bottom portion 18a is a plane orthogonal to the vertical direction. The cylindrical portion 18b forms the side surface of the optical unit 1. The cylindrical portion 18b covers the outer peripheral side of the housing 17. Specifically, the cylindrical portion 18b covers the outer peripheral side of the housing 17 in approximately the entire vertical direction. In this embodiment, the cylindrical portion 18b is an outer peripheral side cover that covers the outer peripheral surface of the housing 17, which serves as an intermediate component holder. A more detailed structure of the cover component 18 will be described later.

[0055] The cover component 19 is mainly composed of a flat cover portion 19a that covers the upper surface of the housing 17. The cover component 19 is fixed to the upper end of the housing 17. The cover portion 19a is formed into a square frame shape. When viewed from above, the cover component 19 has a square shape. When viewed from above, two of the four sides of the outer peripheral surface of the cover component 19, which has a square shape, are parallel to the front-back direction, and the remaining two sides are parallel to the left-right direction. A portion of the camera module 2 and the intermediate component 4 are disposed on the inner peripheral side of the cover portion 19a. The lower surface of the cover portion 19a is in contact with the upper surface of the housing 17.

[0056] A front surface portion 19b extending downward is connected to the front end of the cover portion 19a. The front and rear surfaces of the front surface portion 19b are planes orthogonal to the front-rear direction. A portion of the front surface portion 19b covers a portion of the wiring board 11 from the front. A right surface portion 19c extending slightly downward is connected to the right end of the cover portion 19a. A left surface portion 19d extending slightly downward is connected to the left end of the cover portion 19a. The left and right surfaces of the right surface portion 19c and the left surface portion 19d are planes orthogonal to the left-right direction. A rear surface portion extending slightly downward is connected to the rear end of the cover portion 19a. The front and rear surfaces of the rear surface portion are planes orthogonal to the front-rear direction. A portion of the right surface portion 19c, a portion of the left surface portion 19d, and a portion of the rear surface portion are engaging portions that engage with the housing 17.

[0057] The first fulcrum portion 12 includes a support member 20 fixed to the retainer 16 and a ball fixed to the support member 20. A portion of the ball fixed to the support member 20 is disposed in a recess formed at the front end of the arm portion 4b. Due to the elasticity of the arm portion 4b, the ball contacts the bottom surface of the recess of the arm portion 4b from the outside in the first intersecting direction with a predetermined contact pressure. The second fulcrum portion 13 includes a support member 21 fixed to the housing 17 and a ball fixed to the support member 21. A portion of the ball fixed to the support member 21 is disposed in a recess formed at the front end of the arm portion 4c. Due to the elasticity of the arm portion 4c, the ball contacts the bottom surface of the recess of the arm portion 4c from the outside in the second intersecting direction with a predetermined contact pressure.

[0058] The magnetic drive mechanism 8 includes a first drive magnet 24 and a first drive coil 25 arranged opposite each other in the left-right direction. The magnetic drive mechanism 9 includes a second drive magnet 26 and a second drive coil 27 arranged opposite each other in the front-back direction. The first drive magnet 24 and the second drive magnet 26 are formed into rectangular flat plates. The first drive coil 25 and the second drive coil 27 are, for example, hollow coils formed by winding wires into a hollow shape.

[0059] The first driving magnet 24 is disposed in a recess formed on the left side of the retainer 16 and is fixed to the left side of the retainer 16. The first driving coil 25 is disposed in a through hole formed on the left side of the housing 17. In addition, the first driving coil 25 is mounted on the wiring board 11. The magnetic drive mechanism 8 causes the movable body 3 to rotate relative to the fixed body 5 about an axis orthogonal to the optical axis L of the camera module 2 and parallel to the front-rear direction.

[0060] The second driving magnet 26 is disposed in a recess formed on the rear side of the retainer 16 and is fixed to the rear side of the retainer 16. The second driving coil 27 is disposed in a through hole formed on the rear side of the housing 17. In addition, the second driving coil 27 is mounted on the wiring board 11. The magnetic drive mechanism 9 causes the movable body 3 to rotate relative to the fixed body 5 about an axis orthogonal to the optical axis L of the camera module 2 and parallel to the left and right direction.

[0061] The wiring board 11 is a flexible printed circuit board. The wiring board 11 winds around the rear surface, left side surface, and front surface of the housing 17. In addition, the wiring board 11 extends forward from the left end of the front of the cover member 18. The wiring board 11 is fixed to the outer peripheral surface of the housing 17.

[0062] In the optical unit 1, when a change in the tilt of the movable body 3 is detected by a predetermined detection mechanism for detecting changes in the tilt of the movable body 3, current is supplied to at least one of the first drive coil 25 and the second drive coil 27 based on the detection result of the detection mechanism, thereby correcting the jitter. The magnetic drive mechanism 8 and the magnetic drive mechanism 9 cause the movable body 3 to rotate relative to the fixed body 5 about at least one of the first axis L1 and the second axis L2 as the rotation center.

[0063] (Structure and winding of the wiring board)

[0064] Figure 4 It is Figure 3 The three-dimensional view shown is of the housing 17 and the wiring board 10 pulled out. Figure 5 It is Figure 3 A side view showing a portion of the housing 17 and a portion of the wiring board 10 pulled out.

[0065] The wiring substrate 10 is a rigid-flexible substrate that integrates a flexible printed circuit board and a rigid substrate. The wiring substrate 10 includes: a first substrate portion 10a mounted on the end face (i.e., the lower end face of the camera module 2) on the subject side of the camera module 2; a second substrate portion 10b connected to the first substrate portion 10a at one end; a third substrate portion 10c connected to the other end of the second substrate portion 10b; a fourth substrate portion 10d connected to the third substrate portion 10c at one end; and a fifth substrate portion 10e connected to the other end of the fourth substrate portion 10d.

[0066] The first substrate portion 10a, the second substrate portion 10b, the third substrate portion 10c, the fourth substrate portion 10d, and the fifth substrate portion 10e are integrally formed. The first substrate portion 10a, the third substrate portion 10c, and the fifth substrate portion 10e are composed of a flexible printed circuit board and a rigid substrate. The second substrate portion 10b and the fourth substrate portion 10d are composed of a flexible printed circuit board.

[0067] As described above, when viewed from above, two of the four sides constituting the outer peripheral surface of the shell 17 are parallel to the left-right direction, and the remaining two sides are parallel to the front-back direction. In the following description, one of the two sides of the shell 17 parallel to the left-right direction will be designated as the first side 17a, and one of the two sides of the shell 17 parallel to the front-back direction will be designated as the second side 17b. Specifically, the front side of the shell 17 when viewed from above will be designated as the first side 17a, and the right side of the shell 17 when viewed from above will be designated as the second side 17b.

[0068] As described above, the first substrate portion 10a is mounted on the lower end face of the camera module 2. The first substrate portion 10a is configured such that its thickness direction is aligned with its vertical direction. An imaging element is mounted on the upper surface of the first substrate portion 10a. In this configuration, the first substrate portion 10a is a module mounting portion. The second substrate portion 10b extends from the first substrate portion 10a. The second substrate portion 10b extends to the right side of the first substrate portion 10a, then passes through to the front side, and then passes through to the left side. The second substrate portion 10b is not fixed to the housing 17.

[0069] The second substrate portion 10b is composed of a lead-out portion 10g connected to the first substrate portion 10a at its left end and a strip portion 10h connected to the right end of the lead-out portion 10g at its rear end (one end). As described above, the second substrate portion 10b is made of a flexible printed circuit board, therefore the lead-out portion 10g and the strip portion 10h are also made of flexible printed circuit boards. In the second substrate portion 10b, two flexible printed circuit boards with wiring patterns formed on both sides are overlapped with a gap between them.

[0070] The lead-out portion 10g is configured such that its thickness direction is aligned with its vertical direction. The lead-out portion 10g extends from the first substrate portion 10a to the outer periphery of the camera module 2. Specifically, the lead-out portion 10g extends from the first substrate portion 10a to the right side at the second side 17b. At the boundary between the lead-out portion 10g and the strip portion 10h, the second substrate portion 10b is bent upwards at a 90-degree angle. That is, the wiring board 10 is bent at a 90-degree angle at the boundary between the lead-out portion 10g and the strip portion 10h.

[0071] The strip-shaped portion 10h is formed into an elongated strip. The width direction of the strip-shaped portion 10h is aligned with the vertical direction. That is, when the optical axis L of the camera module 2 is in the reference position, the optical axis direction of the camera module 2 is parallel to the width direction of the strip-shaped portion 10h. The strip-shaped portion 10h passes around the outer periphery of the housing 17 and the inner periphery of the cylindrical portion 18b of the cover member 18. In addition, the strip-shaped portion 10h passes along the first side 17a and the second side 17b. That is, it passes around the upright strip-shaped portion 10h along the first side 17a and the second side 17b.

[0072] When the portion of the strip 10h that wraps around the first side 17a is designated as the first strip 10j, and the portion of the strip 10h that wraps around the second side 17b is designated as the second strip 10k, the strip 10h is composed of the first strip 10j and the second strip 10k, and the front end of the second side 17b is bent to the left at a 90-degree angle. The second strip 10k wraps around to the end of the second side 17b on the side of the first side 17a (i.e., the front end of the second side 17b). The first strip 10j wraps from the end of the first side 17a on the side of the second side 17b (i.e., the right end of the first side 17a) to the center of the first side 17a (the center in the left-right direction). The thickness direction of the first strip 10j is approximately the same as the front-back direction, and the thickness direction of the second strip 10k is approximately the same as the front-back direction.

[0073] A thin reinforcing plate 30 for maintaining the shape of the strip 10h is fixed at the boundary between the first strip 10j and the second strip 10k (see reference). Figure 2 The reinforcing plate 30 is formed in an L-shape. Similarly, a thin reinforcing plate (not shown) for maintaining the shape of the second substrate portion 10b is also fixed at the boundary between the lead-out portion 10g and the strip portion 10h. Additionally, in Figure 2 The illustration of the reinforcing plate 30 is omitted in the accompanying drawings other than those shown.

[0074] A clearance portion 10n is formed on the front side of the boundary between the lead-out portion 10g and the strip portion 10h for bending the second substrate portion 10b to a 90-degree angle. Therefore, when the portion on the lead-out portion 10g side of the second strip portion 10k (i.e., the rear portion of the second strip portion 10k) is designated as the base-end side second strip portion 10p, and the portion on the first strip portion 10j side of the second strip portion 10k (the front portion of the second strip portion 10k) is designated as the front-end side second strip portion 10r, the upper end face (the end face on the subject side) of the base-end side second strip portion 10p is positioned higher (on the subject side) than the upper end face (the end face on the subject side) of the front-end side second strip portion 10r. The clearance portion 10n is recessed upwards from the lower end face of the base-end side second strip portion 10p.

[0075] The third substrate portion 10c is arranged such that its thickness direction is aligned with its front-to-back direction. The third substrate portion 10c is fixed to the outer peripheral surface of the housing 17. Specifically, the third substrate portion 10c is fixed to the outer peripheral surface of the housing 17 at the first side 17a. More specifically, the third substrate portion 10c is fixed to the outer peripheral surface of the housing 17 at the center of the first side 17a (the center in the left-to-right direction). The right end of the third substrate portion 10c is connected to the left end of the first strip portion 10j. In this configuration, the third substrate portion 10c is a fixed portion that is connected to the other end of the strip portion 10h and fixed to the outer peripheral surface of the housing 17.

[0076] The fourth substrate portion 10d extends forward from the third substrate portion 10c. The fourth substrate portion 10d is configured such that its thickness direction aligns with its vertical direction. The rear end of the fourth substrate portion 10d is connected to the lower end of the third substrate portion 10c. The fourth substrate portion 10d extends forward from the center of the first side 17a and extends towards the outer periphery of the fixing body 5. The fifth substrate portion 10e is configured such that its thickness direction aligns with its vertical direction. The fifth substrate portion 10e is connected to the front end of the fourth substrate portion 10d. The fifth substrate portion 10e is connected to a connector disposed inside a portable device such as a smartphone equipped with the optical unit 1.

[0077] In this configuration, the lead-out portion 10g of one end of the strip 10h extends to the right from the second side 17b of the first substrate portion 10a mounted on the lower end face of the camera module 2. The third substrate portion 10c, connected to the other end of the strip 10h, is fixed to the outer peripheral surface of the housing 17 at the first side 17a. Therefore, as the camera module 2 moves during pitch and yaw direction jitter correction, the second strip 10k, positioned along the second side 17b, moves significantly, but the first strip 10j, positioned along the first side 17a, does not move as significantly as the second strip 10k. Furthermore, during the movement of the camera module 2 during pitch and yaw direction jitter correction, the second strip 10k moves primarily in the vertical and horizontal directions, while the first strip 10j moves primarily in the vertical direction.

[0078] (Structure of the housing and cover components)

[0079] Figure 6 It is indicated from the bottom. Figure 3 A perspective view of a portion of the housing 17 shown. Figure 7 It is used for explanation Figure 3 An enlarged view of the structure of part E.

[0080] As described above, the housing 17 is formed as a flat, four-cornered cylindrical shape with openings at both ends in the vertical direction. Furthermore, the first strip-shaped portion 10j meanders along the first side 17a of the housing 17, and the second strip-shaped portion 10k meanders along the second side 17b of the housing 17. A first inner wall surface 17c, disposed in the front-rear direction inside the first strip-shaped portion 10j, and a second inner wall surface 17d, disposed in the left-right direction inside the second strip-shaped portion 10k, are formed on the housing 17. That is, a first inner wall surface 17c disposed on the rear side of the first strip-shaped portion 10j and a second inner wall surface 17d disposed on the left side of the second strip-shaped portion 10k are formed on the housing 17.

[0081] The first inner wall surface 17c is formed as a plane orthogonal to the front-back direction. The second inner wall surface 17d is formed as a plane orthogonal to the left-right direction. That is, the first inner wall surface 17c is a plane orthogonal to the front-back direction, and the second inner wall surface 17d is a plane orthogonal to the left-right direction. The right end of the first inner wall surface 17c and the front end of the second inner wall surface 17d are connected by a convex curved surface. A gap is formed between the first strip-shaped portion 10j and the first inner wall surface 17c, and a gap is formed between the second strip-shaped portion 10k and the second inner wall surface 17d.

[0082] A first inner wall surface 17c is formed on the front portion of the housing 17, and a second inner wall surface 17d is formed on the right side portion of the housing 17. A notch 17e for leading out the lead-out portion 10g is formed on the right side portion of the housing 17. A fixing surface 17f for fixing the third substrate portion 10c is formed on the left side of the first inner wall surface 17c. The fixing surface 17f is a plane orthogonal to the front-rear direction.

[0083] The housing 17 includes a first upper wall portion 17g disposed on the upper side of the first strip portion 10j and a second upper wall portion 17h disposed on the upper side of the second strip portion 10k. That is, the housing 17 has a first upper wall portion 17g disposed on the subject side of the first strip portion 10j and a second upper wall portion 17h disposed on the subject side of the second strip portion 10k. The upper surface of the first upper wall portion 17g constitutes a part of the upper surface of the housing 17. The upper surface of the second upper wall portion 17h constitutes a part of the upper surface of the housing 17.

[0084] The lower surface (the side opposite to the subject) of the first upper wall portion 17g is a first upper side wall 17j, which connects to the upper end of the first inner side wall 17c (the end on the subject side) and extends outward in the front-rear direction, covering the first strip portion 10j from above. The lower surface (the side opposite to the subject) of the second upper wall portion 17h is a second upper side wall 17k, which connects to the upper end of the second inner side wall 17d and extends outward in the left-right direction, covering the second strip portion 10k from above. That is, the housing 17 includes: a first upper wall portion 17g, which has a first upper side wall 17j extending forward from the upper end of the first inner side wall 17c; and a second upper wall portion 17h, which has a second upper side wall 17k extending to the right from the upper end of the second inner side wall 17d.

[0085] The first upper sidewall 17j and the second upper sidewall 17k are formed as planes orthogonal to the vertical direction. That is, the first upper sidewall 17j and the second inner sidewall 17d are planes orthogonal to the vertical direction. The front end face of the first upper wall portion 17g (i.e., the outer end face of the first upper wall portion 17g in the front-rear direction) 17p is a plane orthogonal to the front-rear direction. The right end face of the second upper wall portion 17h (i.e., the outer end face of the second upper wall portion 17h in the left-right direction) 17r is a plane orthogonal to the left-right direction.

[0086] A notch 17s is formed on the second upper wall portion 17h to prevent interference between the base-end side second strip portion 10p and the second upper wall portion 17h. The notch 17s extends through the second upper wall portion 17h in the vertical direction. Furthermore, the notch 17s is formed from the right end face 17r of the second upper wall portion 17h toward the left. The notch 17s is covered by the cover portion 19a of the upper cover member 19. The upper end of the base-end side second strip portion 10p is disposed in the notch 17s. The upper end of the base-end side second strip portion 10p is positioned lower than the upper surface of the second upper wall portion 17h (i.e., the upper surface of the housing 17). A gap is formed between the upper end of the front end side second strip portion 10r and the second upper side wall surface 17k. A gap is formed between the upper end of the first strip portion 10j and the first upper side wall surface 17j.

[0087] As described above, the cover component 18 has a four-cornered cylindrical portion 18b, which covers the outer periphery of the housing 17. Figure 7 As shown, a first outer side wall surface 18c disposed on the outer side of the first strip portion 10j in the front-rear direction and a second outer side wall surface 18d disposed on the outer side of the second strip portion 10k in the left-right direction are formed on the cover member 18. That is, a first outer side wall surface 18c disposed on the front side of the first strip portion 10j and a second outer side wall surface 18d disposed on the right side of the second strip portion 10k are formed on the cover member 18.

[0088] The first outer wall surface 18c is formed as a plane orthogonal to the front-back direction. The second outer wall surface 18d is formed as a plane orthogonal to the left-right direction. That is, the first outer wall surface 18c is a plane orthogonal to the front-back direction, and the second outer wall surface 18d is a plane orthogonal to the left-right direction. Furthermore, the first outer wall surface 18c is parallel to the first inner wall surface 17c, and the second outer wall surface 18d is parallel to the second inner wall surface 17d. The right end of the first outer wall surface 18c and the front end of the second outer wall surface 18d are connected by a concave curved surface. A gap is formed between the first strip-shaped portion 10j and the first outer wall surface 18c, and a gap is formed between the second strip-shaped portion 10k and the second outer wall surface 18d.

[0089] The bottom 18a of the cover member 18 is disposed below the first strip 10j and the second strip 10k. A gap is formed between the lower end of the first strip 10j and the upper surface of the bottom 18a. A gap is also formed between the lower end of the second strip 10k and the upper surface of the bottom 18a. Notches 18e and 18f are formed on the front surface of the cover member 18 for leading the wiring substrates 10 and 11 to the outer periphery of the optical unit 1. The wiring substrate 10 is led out through the notch 18e. The wiring substrate 11 is led out through the notch 18f.

[0090] As described above, the front end face 17p of the first upper wall portion 17g is a plane orthogonal to the front-rear direction and parallel to the first outer wall surface 18c. Furthermore, the right end face 17r of the second upper wall portion 17h is a plane orthogonal to the left-right direction and parallel to the second outer wall surface 18d. The front end face 17p contacts the rear surface of the front portion 19b of the cover member 19, and the first outer wall surface 18c contacts the front surface of the front portion 19b. The right end face 17r contacts the left side of the right side portion 19c of the cover member 19, and the second outer wall surface 18d contacts the right side of the right side portion 19c.

[0091] The housing 17 and the cover components 18 and 19 serve to protect the strip-shaped portion 10h in the front-back, left-right, and up-down directions. Figure 7 As shown, the distance D1 between the first inner wall surface 17c and the first outer wall surface 18c in the front-back direction is narrower than the distance D2 between the second inner wall surface 17d and the second outer wall surface 18d in the left-right direction. In addition, the width W1 of the first upper wall surface 17j in the front-back direction is narrower than the width W2 of the second upper wall surface 17k in the left-right direction.

[0092] Furthermore, during pitch and yaw correction, the strip 10h moves with the camera module 2. In this configuration, the gaps between the first strip 10j and the first inner wall 17c, and between the first strip 10j and the first outer wall 18c, are set so that even when the strip 10h moves during correction, the first strip 10j does not contact the first inner wall 17c or the first outer wall 18c. Similarly, the gaps between the second strip 10k and the second inner wall 17d, and between the second strip 10k and the second outer wall 18d, are set so that even when the strip 10h moves during correction, the second strip 10k does not contact the second inner wall 17d or the second outer wall 18d.

[0093] Furthermore, the gaps between the upper end of the first strip 10j and the first upper sidewall 17j, and between the lower end of the first strip 10j and the upper surface of the bottom 18a, are set such that even if the strip 10h moves during vibration correction, the first strip 10j will not contact the first upper sidewall 17j or the bottom 18a. Similarly, the gap between the lower end of the second strip 10k and the upper surface of the bottom 18a is set such that even if the strip 10h moves during vibration correction, the second strip 10k will not contact the bottom 18a.

[0094] Furthermore, the gap between the upper end of the second strip 10r on the front end side and the second upper wall surface 17k is set so that even if the strip 10h moves during vibration correction, the second strip 10r on the front end side will not contact the second upper wall surface 17k. Additionally, in this embodiment, the strip 10h and the second upper wall portion 17h are configured such that even if the strip 10h moves during vibration correction, the upper end of the second strip 10p on the base end side will not reach the upper surface of the second upper wall portion 17h. That is, the strip 10h and the second upper wall portion 17h are configured such that even if the strip 10h moves during vibration correction, the upper end of the second strip 10p on the base end side will not contact the lower surface of the cover portion 19a of the cover member 19.

[0095] (The main effects of this method)

[0096] As described above, in this embodiment, the distance D1 between the first inner wall surface 17c and the first outer wall surface 18c in the front-back direction is narrower than the distance D2 between the second inner wall surface 17d and the second outer wall surface 18d in the left-right direction. Therefore, in this embodiment, compared to the case where the distance D1 is the same as the distance D2, the optical unit 1 can be miniaturized in the front-back direction.

[0097] In this method, the interval D2 is wider than the interval D1. The interval D2 between the second inner wall surface 17d and the second outer wall surface 18d in the left-right direction is relatively wide. Therefore, even if the second strip 10k moves significantly during the movement of the camera module 2 when performing pitch and yaw direction jitter correction, as described above, the gaps between the second strip 10k and the second inner wall surface 17d, and between the second strip 10k and the second outer wall surface 18d, can be set in such a way that the second strip 10k does not contact the second inner wall surface 17d and the second outer wall surface 18d. Therefore, in this method, damage to the second strip 10k can be prevented. Specifically, damage to the second strip 10k caused by repeated contact between the second strip 10k and the second inner wall surface 17d and the second outer wall surface 18d can be prevented.

[0098] Furthermore, in this method, since the first strip 10j does not move as significantly as the second strip 10k with the movement of the camera module 2 during pitch and yaw correction, even if the interval D1 is narrower than the interval D2, as described above, the gaps between the first strip 10j and the first inner wall 17c, and between the first strip 10j and the first outer wall 18c, can be set so that when the first strip 10j moves with the movement of the camera module 2 during shake correction, the first strip 10j does not contact the first inner wall 17c or the first outer wall 18c. Therefore, in this method, damage to the first strip 10j can be prevented. Specifically, damage to the first strip 10j caused by repeated contact between the first strip 10j and the first inner wall 17c or the first outer wall 18c can be prevented.

[0099] As described above, in this method, the optical unit 1 can be miniaturized in the front-to-back direction, and damage to the first strip 10j and the second strip 10k can be prevented. Therefore, in this method, the optical unit 1 can be miniaturized, and damage to the wiring board 10 leading out from the camera module 2 can be prevented.

[0100] In this embodiment, a notch 17s is formed on the second upper wall portion 17h to prevent interference between the base-end side second strip portion 10p and the second upper wall portion 17h. Therefore, in this embodiment, even if the upper end face of the base-end side second strip portion 10p is positioned higher than the upper end face of the front end side second strip portion 10r, the portion of the optical unit 1 with the second upper wall portion 17h formed can be miniaturized in the vertical direction, and interference between the base-end side second strip portion 10p and the second upper wall portion 17h can be prevented.

[0101] (Other implementation methods)

[0102] The described method is an example of a preferred embodiment of the present invention, but it is not limited thereto. Various modifications can be made without changing the spirit of the present invention.

[0103] In this configuration, at least one of the first substrate portion 10a, the third substrate portion 10c, and the fifth substrate portion 10e may also be constructed from a flexible printed circuit board. That is, the entire wiring board 10 may also be constructed from a flexible printed circuit board. Furthermore, in the above configuration, at least one of the second substrate portion 10b and the fourth substrate portion 10d may also be constructed from a flexible printed circuit board and a rigid substrate.

[0104] In the above-described manner, the first substrate portion 10a, the second substrate portion 10b, the third substrate portion 10c, the fourth substrate portion 10d, and the fifth substrate portion 10e are formed as a single unit. However, for example, the first substrate portion 10a may be formed separately, and the first substrate portion 10a and the second substrate portion 10b may be soldered together. Alternatively, for example, the second substrate portion 10b, the third substrate portion 10c, and the fourth substrate portion 10d may be formed separately, and the second substrate portion 10b and the fourth substrate portion 10d may also be soldered together on the third substrate portion 10c.

[0105] In the above configuration, the first strip 10j can also pass from the right end of the first side 17a to the left end of the first side 17a. In this case, the third substrate portion 10c is fixed to the outer peripheral surface of the housing 17 at the left end of the first side 17a, and the wiring substrate 11 extends from the front end of the left side of the cover member 18 to the left. Furthermore, in the above configuration, the housing 17 can also be rectangular when viewed from above. In this case, the cover member 18 is also rectangular when viewed from above.

[0106] In the above-described manner, the optical unit 1 may also include a rotation mechanism that rotates the camera module 2 relative to the intermediate component 4 with the optical axis L of the camera module 2 as the rotation center. In this case, the rotation mechanism includes a drive coil mounted on the wiring board 11 and a drive magnet disposed opposite to the drive coil. Furthermore, in this case, the intermediate component 4 includes a first intermediate component and a second intermediate component. The movable body 3 is capable of rotating relative to the first intermediate component with the optical axis L of the camera module 2 as the rotation center, and the first intermediate component is capable of rotating relative to the second intermediate component with the first axis L1 as the rotation center. Additionally, in the above-described manner, the optical unit 1 can also be installed in various devices other than portable devices.

Claims

1. An optical unit with jitter correction function, characterized in that, have: A movable body, wherein the movable body has a camera module; An intermediate component that holds the movable body in a rotatable manner; A fixing body that holds the intermediate component in a rotatable manner; A magnetic drive mechanism that causes the movable body to rotate relative to the fixed body in an arbitrary direction with respect to the optical axis of the camera module; as well as A wiring board, which extends from the camera module. When a direction orthogonal to the optical axis of the camera module configured at a predetermined reference position is defined as a first direction, and a direction orthogonal to both the optical axis of the camera module configured at the reference position and the first direction is defined as a second direction, and one side of the optical axis direction (which is the direction of the optical axis of the camera module) is defined as the subject side, and the opposite side of the subject side is defined as the opposite side of the subject, The fixing body includes an intermediate component holding portion that holds the intermediate component in a rotatable manner and an outer peripheral side covering portion that covers the outer peripheral side of the intermediate component holding portion. The wiring board includes: a module mounting portion mounted on the end face opposite to the subject of the camera module; a lead-out portion extending from the module mounting portion to the outer periphery of the camera module; an elongated strip-shaped portion, one end of which is connected to the lead-out portion and passes around the outer periphery of the intermediate component holding portion and the inner periphery of the outer periphery covering portion; and a fixing portion connected to the other end of the strip-shaped portion and fixed to the outer periphery of the intermediate component holding portion. When the optical axis of the camera module is located at the reference position and viewed from the direction of the optical axis, the shape of the intermediate component holding part is square or rectangular, and the four sides of the outer peripheral surface constituting the intermediate component holding part are parallel to the first direction or the second direction. When one of the two sides of the intermediate component holding portion parallel to the first direction is designated as the first side, and one of the two sides of the intermediate component holding portion parallel to the second direction is designated as the second side, The width direction of the strip is parallel to the optical axis direction when the optical axis of the camera module is at the reference position. The lead-out portion extends from the module mounting portion toward the first direction on the second side. The strip-shaped portion passes around the first side and the second side. The fixed part is fixed to the outer peripheral surface of the intermediate component holding part on the first side. When the portion of the strip-shaped part arranged along the first side is designated as the first strip-shaped part, and the portion of the strip-shaped part arranged along the second side is designated as the second strip-shaped part, The intermediate component retaining portion has a planar first inner wall surface and a planar second inner wall surface. The first inner wall surface is disposed inside the first strip portion and orthogonal to the second direction in the second direction. The second inner wall surface is disposed inside the second strip portion and orthogonal to the first direction in the first direction. The outer peripheral covering portion has a planar first outer wall surface and a planar second outer wall surface. The first outer wall surface is disposed outside the first strip portion and parallel to the first inner wall surface in the second direction. The second outer wall surface is disposed outside the second strip portion and parallel to the second inner wall surface in the first direction. The spacing between the first inner wall surface and the first outer wall surface in the second direction is narrower than the spacing between the second inner wall surface and the second outer wall surface in the first direction.

2. The optical unit with jitter correction function according to claim 1, characterized in that, The strip is made of a flexible printed circuit board.

3. The optical unit with jitter correction function according to claim 1, characterized in that, The intermediate component holding portion includes: a first upper wall portion disposed on the subject side of the first strip portion; and a second upper wall portion disposed on the subject side of the second strip portion. The surface opposite to the subject of the first upper wall portion is a first upper side wall surface. The first upper side wall surface is connected to the subject-side end of the first inner side wall surface and extends outward in the second direction, covering the first strip portion from the subject side. The surface opposite to the subject of the second upper wall portion is the second upper side wall surface. The second upper side wall surface is connected to the subject-side end of the second inner side wall surface and extends outward in the first direction, covering the second strip portion from the subject side. The outer end face of the first upper wall portion in the second direction is parallel to the first outer wall surface. The outer end face of the second upper wall portion in the first direction is parallel to the second outer wall surface. The width of the first upper sidewall in the second direction is narrower than the width of the second upper sidewall in the first direction.

4. The optical unit with jitter correction function according to claim 3, characterized in that, The wiring board is bent at a 90-degree angle at the boundary between the lead-out portion and the strip portion. When the portion of the second strip-shaped portion on the lead-out side is designated as the base-end side of the second strip-shaped portion, and the portion of the second strip-shaped portion on the first strip-shaped portion side is designated as the front-end side of the second strip-shaped portion, The subject-side end face of the second strip-shaped portion on the base end side is positioned closer to the subject side than the subject-side end face of the second strip-shaped portion on the front end side. A notch is formed in the second upper wall portion to prevent interference between the second strip portion on the base end side and the second upper wall portion.

5. The optical unit with jitter correction function according to any one of claims 1 to 4, characterized in that, The second strip-shaped portion passes through to the end of the first side of the second side. The first strip-shaped portion passes from the end of the second side of the first side to the center of the first side. The fixed part is fixed to the outer peripheral surface of the intermediate component holding part at the center of the first side.

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