JP2007241064A - Lens-driving device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lens-driving device for easily assembling devices, even when being provided with a circuit board comprising an image sensor and a control circuit. <P>SOLUTION: The lens-driving device comprises guide shafts 1a, 1b for guiding a lens holder 6 holding an optical lens 4 in the direction of an optical axis, a base member 1 for airtightly sealing an image sensor, and the circuit board 2. A drive mechanism for moving the barrel holder 6 in the direction of the optical axis includes an actuator control IC 22 for forming the control circuit, a permanent magnet 9 and a coil 12, in a relation in which one is movable and the other is immovable, a magnetic member, i.e. a yoke 11, and an insulation member i.e. a coil holder 10 for holding the coil 12, attached to the circuit board 2 and has insert-molded terminals 17, 18 connected to the coil 12. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a lens driving device suitable for a small electronic device such as a camera-equipped mobile phone.

There exists a thing shown by patent document 1 as this type of prior art. This prior art includes a moving barrel that holds a photographing lens, that is, a lens holder, a solenoid coil that moves the lens holder in the optical axis direction, a drive mechanism that includes a control circuit to which the solenoid coil is connected, and a lens holder. A fixed barrel that guides in the optical axis direction, that is, a guide mechanism is provided.
Japanese Patent Laid-Open No. 10-246848

  In the above-described prior art, a plurality of coils are arranged, and the lead wire for energizing the coil is simply drawn out, so that the assembly work such as the lead wire drawing work becomes complicated. Concerned.

  The present invention has been made from the above-described prior art, and an object of the present invention is to provide a lens driving device in which a coil assembly operation is easy.

  To achieve the above object, the present invention includes a lens holder that holds a lens, a drive mechanism that moves the lens holder in the optical axis direction, and a circuit board on which a control circuit that controls the drive mechanism is mounted. A base member for assembling the drive mechanism is integrally provided on the circuit board, and the drive mechanism has a permanent magnet and a coil arranged in a relationship in which one is movable and the other is not movable; A magnetic member constituting a magnetic circuit, the coil and the magnetic member are integrally held by an insulating member, can be assembled to the base member, and further the energizing the coil to the insulating member The terminal is provided integrally, and the terminal includes a soldering portion that can be soldered to the circuit board.

  The present invention configured as described above completes the assembly work by assembling the coil integrally held by the insulating member on the base member integrated with the circuit board and further soldering the terminals to the circuit board. This eliminates the need for complicated routing work.

  Further, the present invention is the above invention, wherein the terminal is insert-molded in the insulating member, and the insulating member has a cutout portion at a corner portion of the terminal. The soldering part is exposed. In the present invention configured as described above, since the soldering portion of the terminal is arranged in the notch formed in the corner portion of the insulating member, the shape of the portion including the insulating member and the terminal can be reduced in size. it can.

  In the present invention, the assembly work can be completed by assembling the coil integrally held by the insulating member on the base member integrated with the circuit board, and further soldering the terminals to the circuit board. The routing work can be eliminated, and the production work efficiency can be improved as compared with the prior art.

  In addition, since the soldering portion of the terminal is exposed to the cutout portion of the corner portion of the insulating member, the shape of the portion including the insulating member and the terminal can be reduced, and the entire device can be reduced. Miniaturization can be realized.

  The best mode for carrying out a lens driving device according to the present invention will be described below with reference to the drawings.

[Configuration of this embodiment]
FIG. 1 is an exploded perspective view showing an embodiment of a lens driving device according to the present invention, FIG. 2 is a plan view of this embodiment, FIG. 3 is a perspective view showing a state in which a case is removed in this embodiment, and FIG. The top view which shows the state which removed the case in this embodiment, FIG. 5 is AA sectional drawing of FIG. 6 is a perspective view showing the back side of the barrel holder provided in the present embodiment, FIG. 7 is a perspective view showing a leaf spring provided in the present embodiment, and FIG. 8 is an enlarged cross-sectional view taken along the line BB in FIG. . 9 is a perspective view showing a coil holder portion provided in the present embodiment, FIG. 10 is a cross-sectional view taken along the line CC of FIG. 4, and FIG. 11 is an arrangement of permanent magnets, coils and yokes provided in the present embodiment. It is a principal part top view which shows a relationship.

  As shown in FIG. 1, the present embodiment includes a base member 1 that forms a main body, a circuit board 2 on which the base member 1 is integrally assembled, and a case made of, for example, metal that is disposed so as to cover the base member 1. 3 is provided. In the case 3, as shown in FIGS. 3 to 5, a lens barrel 5 that holds the optical lens 4, a barrel holder 6 that is screwed together with the lens barrel 5, and the barrel holder 6 are attached in the optical axis direction. A spring 7 that can be biased and a support member that holds the permanent magnet 9, for example, a plate spring 8 formed in a frame shape, are arranged. Moreover, in this case 3, as shown in FIG. 5 etc., the insulating member which hold | maintains the coil 12 arrange | positioned facing the above-mentioned permanent magnet 9, ie, the coil holder 10, is arrange | positioned. On the upper surface of the case 3 described above, an opening 3a through which the lens barrel 5 holding the optical lens 4 and the barrel holder 6 can project is formed. The lens barrel 5 and the barrel holder 6 described above constitute a lens holder that holds the optical lens 4.

  The above-described base member 1 is provided with guide shafts 1a and 1b extending in the optical axis direction. As shown in FIG. 4 and the like, the barrel holder 6 is slidably fitted with the guide shafts 1a and 1b. And a guide hole 6a into which the guide shaft 1a is fitted, and a guide groove 6b into which the guide shaft 1b is fitted. The guide shafts 1a and 1b, the guide hole 6a, and the guide groove 6b constitute a guide mechanism that guides the lens holder, that is, the barrel holder 6 in the optical axis direction.

  The plate spring 8 described above is fixed to the base member 1 side, for example, and has bending portions 8a and 8b that can be elastically deformed in a direction orthogonal to the optical axis direction as shown in FIGS. Further, a bent portion 8c is provided at the bottom, and a projection 15 is formed on the bent portion 8c. Further, an urging portion 8d that urges the barrel holder 6 in a direction perpendicular to the optical axis direction is cut and raised. As shown in FIGS. 6 and 8, a cam portion 16 that engages with the protrusion 15 of the leaf spring 8 is formed on the lower edge portion of the barrel holder 6 described above. The cam portion 16 includes a flat portion 16a located at the center, and a first cam portion 16b and a second cam portion 16c located on the left and right sides of the flat portion 16a.

  As shown in FIG. 8, the lower edge 16c1 connected to the second cam portion 16c of the barrel holder 6 is set to be slightly retracted from the lower edge 16b1 connected to the first cam portion 16b of the barrel holder 6.

  As described above, in the present embodiment, the driving mechanism for moving the lens holder, that is, the barrel holder 6 in the optical axis direction includes the permanent magnet 9 and the coil 12, and the arrangement relationship between the permanent magnet 9 and the coil 12 is represented by the coil 12. The permanent magnet 9 or the coil 12 is set in such an arrangement relationship that, for example, the permanent magnet 9 can be displaced in a direction orthogonal to the direction of the current and the direction of the magnetic field when a current is passed through the coil. That is, in this embodiment, the arrangement relationship between the permanent magnet 9 and the coil 12 is set to an arrangement relationship that allows the coil 12 to be displaced by holding the coil 12 in the coil holder 10 so that it cannot be displaced and fixing the permanent magnet 9 to the leaf spring 7. It is.

  In the present embodiment, the drive mechanism that moves the barrel holder 6 in the optical axis direction moves the barrel holder 6 in the optical axis direction with the displacement of the permanent magnet 9 or the coil 12, for example, with the displacement of the permanent magnet 9. The cam portion 16 is provided as described above.

  As shown in FIG. 11, the permanent magnet 9 has a configuration in which an S pole 9a and an N pole 9b are arranged in a direction orthogonal to the optical axis. The permanent magnet 9 is displaced in one direction orthogonal to the optical axis direction, for example, in the direction of the arrow 40 in FIG. 11, when a current in a predetermined direction flows through the coil 12, and the coil 12 is moved in the direction opposite to the predetermined direction. It is arranged so as to be displaceable in another direction orthogonal to the optical axis direction, for example, in the direction of arrow 41 in FIG. Accordingly, the lens holder, that is, the barrel holder 6 is moved from a predetermined position to the first position according to the displacement of the permanent magnet 9 in the direction of the arrow 40 described above, and according to the displacement of the permanent magnet 9 in the direction of the arrow 41 described above. It arrange | positions so that it may move to the 2nd position different from the above-mentioned 1st position from a predetermined position.

  The first position described above is a position where the barrel holder 6 is moved so as to protrude from a predetermined position, and the second position described above is a position where the barrel holder 6 is moved so as to protrude further than the first position. The movement of the barrel holder 6 from the predetermined position to the first position and the movement of the barrel holder 6 from the predetermined position to the second position are performed by engaging the protrusion 15 of the leaf spring 8 and the cam portion 16 of the barrel holder 6 as will be described later. It is supposed to be done through relationships.

  As shown in FIG. 11 and the like, the above-described coil 12 is wound around the magnetic member, that is, the yoke 11. The central portion 11 a of the yoke 11 is disposed at a position facing the boundary between the S pole 9 a and the N pole 9 b of the permanent magnet 9, and the side portions 11 b and 11 c of the yoke 11 surround the coil 12. It is arranged.

  The coil holder 10 that integrally holds the coil 12 and the yoke 11 can be assembled to the base member 1 that is integrally provided on the circuit board 2. As shown in FIG. 9, in addition to the yoke 11, the coil holder 10 is provided with terminals 17 and 18 to which the coil 12 is connected by insert molding. Further, notches 10a and 10b are formed in the coil holder 10 corresponding to the terminals 17 and 18, that is, the pair of corners, respectively. The lower ends of the terminals 17 and 18 shown in FIG. 9 are bent to form soldered portions with the circuit board 2, that is, connection portions 17a and 18a. By forming the notches 10a and 10b of the coil holder 10 described above, the connecting portions 17a and 18a of the terminals 17 and 18 are exposed so that soldering is possible.

  As shown in FIG. 5, a control circuit made of a semiconductor for supplying a current to the coil 12, that is, an actuator control IC 22 is arranged on the portion of the circuit board 2 positioned below the coil holder 10. The connection portions 17a and 18a of the terminals 17 and 18 described above are connected to the circuit board 2 by soldering so as to be connected to the actuator control IC 22 on the circuit board 2. Further, as shown in FIG. 5, an IR filter 21 and an image sensor 20 hermetically sealed by the base member 1 are disposed on the circuit board 2 positioned below the optical lens 4. The circuit board 2 including the actuator control IC 22 described above, and the base member 1, the IR filter 21, and the image sensor 20 mounted on the circuit board 2 are assembled in a clean environment where a person cannot enter.

  A mechanism including a lens barrel 5 that holds the optical lens 4 disposed in the case 3, a barrel holder 6, a leaf spring 8 that holds a permanent magnet 9, and a coil holder 10 that holds a coil 12 and a yoke 11. The components can be assembled on the base member 1 or the circuit board 2 in an environment where the degree of cleanliness that a person can enter is lowered.

  In other words, the assembly process of the circuit board 2 and the base member 1 having the actuator control IC 22 which is a semiconductor, the IR filter 21 and the image sensor 20, that is, the semiconductor process, the other parts assembled to the base member 1, and the coil holder 10 The assembly process of the parts, that is, the mechanical process is set as a separate process independent from each other, and each mechanical part is assembled on the circuit board 2 and the base member 1 assembled in the semiconductor process. In this state, the terminals of the coil holder 10 17 and 18 are soldered to the circuit board 2 at the connecting portions 17a and 18a.

  In the present embodiment, the actuator control IC 22 of the circuit board 2, the coil 12 and the yoke 11, the permanent magnet 9, the leaf spring 8, the protrusion 15 provided on the leaf spring 8, and the cam portion 16 provided on the barrel holder 6 are described. Thus, a driving mechanism for moving the lens holder, that is, the barrel holder 6 in the optical axis direction is configured.

[Operation of this embodiment]
FIGS. 12 and 13 are views showing the operation of the present embodiment. FIG. 12 is a plan view of a main part showing a state during non-energization, and FIG. 13 is a plan view of a main part showing a state during energization.

  When the coil 12 is not energized, that is, when the power is off, the permanent magnet 9 is caused by the restoring force of the leaf spring 8 and the magnetic balance between the permanent magnet 9 and the yoke 11 as shown in FIG. Stable at neutral point. In this state, the magnetic flux flows as indicated by arrows 30, 31, 32, 33, and 34, from the permanent magnet 9 to a part of the case 3 to the permanent magnet 9, and as indicated by the arrow 35. Permanent magnet 9 → flow from central portion 11a of yoke 11 → permanent magnet 9 and permanent magnet 9 → side portion 11b of yoke 11 → part of case 3 → side portion 11c of yoke 11 as indicated by arrows 36 and 37 → There is a flow to the permanent magnet 9.

  During this de-energization, as shown in FIG. 8, the protrusion 15 provided on the bent portion 8 c of the leaf spring 8 is in a state of facing the flat portion 16 a of the cam portion 16 of the barrel holder 6. Is held in place. That is, the optical lens 4 held by the lens barrel 5 provided integrally with the barrel holder 6 is held at the initial position. At this initial position, for example, close-up photography can be performed.

  Further, the lens holder 6 is biased toward the base member 1 by the biasing force of the spring 7. Further, the lens holder 6 is urged by the urging force of the urging portion 8 d of the leaf spring 8 so that the guide hole 6 a and the guide groove 6 b abut on the guide shafts 1 a and 1 b of the base member 1. .

  From such a non-energized state, when the power is turned on and a current in a predetermined direction is passed through the coil 12 as shown in FIG. 13, for example, the flow of magnetic flux is the N pole of the permanent magnet 9 as shown by the arrow 38. 9b → a part of the case 3 → the central portion 11a of the yoke 11 → the S pole 9a of the permanent magnet 9 → the N pole 9b. Thereby, the force F acts on the permanent magnet 9 according to Fleming's left-hand rule. Further, a binding force acts between the S pole 9 a of the permanent magnet 9 and the central portion 11 a of the yoke 11, and the component force is applied to the force F. Therefore, the permanent magnet 9 is displaced in the direction of the arrow 40 by these resultant forces.

  As the permanent magnet 9 is displaced, the bent portions 8a and 8b of the leaf spring 8 are elastically deformed as indicated by the broken line 8e in FIG. In accordance with the elastic deformation of the leaf spring 8, the projection 15 of the bent portion 8c of the leaf spring 8 shown in FIG. Thereby, the protrusion 15 engages with the first cam portion 16 b of the cam portion 16, and for example, the protrusion 15 contacts the lower edge 16 b 1 of the barrel holder 6. By this operation, the barrel holder 6 resists the biasing force of the spring 7 and is guided by the guide shafts 1a and 1b to move to the first position in the direction of the arrow 44 in FIG. That is, the optical lens 4 moves to the first position. In this first position, for example, person photography can be performed.

  Further, when a current in a direction opposite to the above-described predetermined direction is passed through the coil 12 from the non-energized state, for example, the flow of the magnetic flux is as shown in FIG. The flow extends from the central portion 11a of the yoke 11 to the N pole 9b of the permanent magnet 9 to the S pole 9a. As a result, the permanent magnet 9 is displaced in the direction of the arrow 41 in FIG. 13 by the force of Fleming's left-hand rule and by the binding force between the N pole 9b of the permanent magnet 9 and the central portion 11a of the yoke 11.

  As the permanent magnet 9 is displaced in the direction of arrow 41, the leaf spring 8 is elastically deformed via the bent portions 8a and 8b, and the projection 15 of the bent portion 8c of the leaf spring 8 shown in FIG. Move in 43 directions. Thereby, the protrusion 15 engages with the second cam portion 16c of the barrel holder 6 and abuts on the lower edge 16c1 of the barrel holder 6, for example. By this operation, the barrel holder 6 resists the urging force of the spring 7, is guided by the guide shafts 1a and 1b, and further moves to the second position in the direction of the arrow 44 in FIG. That is, the optical lens 4 moves to the second position. In this second position, for example, a distant view can be taken.

  When the power is turned off from the above state, the permanent magnet 9 returns to the neutral point, and the barrel holder 6 is guided to the guide shafts 1a and 1b by the urging force of the spring 7 and pressed toward the base member 1, The projection 15 of the leaf spring 8 faces the flat portion 16a of the cam portion 16, the barrel holder 6 returns to a predetermined position, and the optical lens 4 returns to the initial position.

  As described above, in the present embodiment, the optical lens 4 can be moved to a predetermined position, that is, an initial position, a first position, and a second position, and held at that position.

[Effect of this embodiment]
According to this embodiment configured as described above, the coil 12 integrally held by the insulating member, that is, the coil holder 10, is assembled on the base member 1 integrated with the circuit board 2, and the terminals 17 and 18 are further connected. If the circuit board 2 is soldered, the assembling work can be completed, and a complicated routing work can be dispensed with. Thereby, production work efficiency can be improved.

  When the coil 12 is energized, the permanent magnet 9 is displaced in a direction perpendicular to the optical axis, and the barrel holder 6 is moved in the optical axis direction via the cam portion 16 in accordance with the displacement. That is, the optical lens 4 held by the barrel holder 6 can be moved in the optical axis direction without providing a motor. As described above, the optical lens 4 can be moved via the cam portion 16 without providing a motor that restricts the external dimensions, so that the apparatus can be downsized, and the camera-equipped mobile phone or the like can be made compact. It can be easily incorporated into electronic equipment.

  Further, since the soldered portions of the terminals 17 and 18, that is, the connection portions 17 a and 17 b are exposed to the notches 10 a and 10 b at the corners of the coil holder 10, the coil holder 10 and the terminals 17 and 18 are included. The shape of the raised portion can be reduced in size. Thereby, size reduction of the whole apparatus is realizable.

  Further, as the supporting member for supporting the permanent magnet 9, that is, the leaf spring 8, is displaced in the direction perpendicular to the optical axis together with the permanent magnet 9 via the bent portions 8 a and 8 b, the cam member 16 is interposed. The barrel holder 6 can be moved in the optical axis direction. Although the leaf spring 8 is provided separately from the barrel holder 6 but can be disposed so as to be close to it, the leaf spring 8 can be accommodated within a width dimension substantially corresponding to the diameter of the barrel holder 6, thereby realizing downsizing of the apparatus. To contribute.

  In addition, since the cam portion 16 is provided in the lens holder, that is, the barrel holder 6, the barrel holder 6 also serves as a cam portion constituent part, thereby simplifying the configuration and contributing to a reduction in manufacturing costs.

  The permanent magnet 9 is composed of an S pole 9a and an N pole 9b arranged in a direction orthogonal to the optical axis direction. When a current in a predetermined direction is passed through the coil 12, the barrel holder is moved along with the displacement of the permanent magnet 9 in one direction. 6 is moved to the first position, and when a current in the direction opposite to the predetermined direction is passed through the coil 12, the barrel holder 6 can be moved to the second position with the displacement of the permanent magnet 9 in the other direction. That is, the optical lens 4 can be moved to a plurality of positions, that is, to three different positions by a simple operation only by changing the direction of the current flowing through the coil 12.

  In addition, the coil 12 is wound around the magnetic member, that is, the yoke 11, and the yoke 11 is disposed at a position facing the boundary between the S pole 9a and the N pole 9b of the permanent magnet 9, so that a current is passed through the coil 12. Thus, when the permanent magnet 9 is displaced in one direction or the other direction, a binding force can be generated between the yoke 11 and the permanent magnet 9, and this binding force is effectively utilized for the displacement of the permanent magnet 9. And stable operation can be realized.

  Further, since the urging portion 8d for urging the barrel holder 6 in the direction orthogonal to the optical axis direction is formed on the support member, ie, the leaf spring 9, the barrel holder 6 is always in contact with the guide shafts 1a and 1b. can do. As a result, it is possible to prevent the backlash of the guide shafts 1a and 1b from occurring without increasing the number of components, and it is possible to realize a stable operation.

[Another embodiment]
FIG. 14 is a plan view of an essential part showing another embodiment of the present invention. In another embodiment shown in FIG. 14, the shape of the yoke 11 is different from that of the above-described embodiment. That is, the side portions 11b and 11c of the yoke 11 shown in FIG. 11 and the like provided in the above embodiment are removed. Other configurations are the same as those of the above-described embodiment, for example.

  In another embodiment shown in FIG. 14, since the yoke 11 does not have a side portion surrounding the coil 12, the permanent magnet 9 cannot be stably present at the neutral point. As a result, even when not energized, the permanent magnet 9 moves in the direction of arrow 40 in FIG. 14 or in the direction of arrow 41 and is held stationary on either side. That is, the protrusion 15 of the leaf spring 8 is in contact with the lower edge 16b1 connected to the first cam portion 16b of the cam portion 16 of the barrel holder 6 or in contact with the lower edge 16c1 connected to the second cam portion 16c. By these operations, the barrel holder 6, that is, the optical lens 4 can be held at a plurality of positions of the first position and the second position.

  Another embodiment configured as described above can move the barrel holder 6, that is, the lens holder without providing a motor as in the above-described embodiment, and can move the optical lens 4 in accordance therewith. An effect equivalent to that of the embodiment can be obtained.

  In each of the above embodiments, the arrangement relationship between the permanent magnet 9 and the coil 12 included in the drive mechanism that moves the barrel holder 6 in the optical axis direction is fixed on the circuit board 2 via the coil holder 10. The permanent magnet 9 is set so as to be displaceable in a direction perpendicular to the direction of the current and the direction of the magnetic field when a current is passed through the coil 12. On the contrary, the permanent magnet 9 is fixed. The coil 12 can be configured to be displaceable in a direction perpendicular to the direction of the current and the direction of the magnetic field when a current is passed through the coil 12. In the case of such a configuration, the arrangement position of the cam portion 16 may be set so that the barrel holder 6 can be moved in the optical axis direction as the coil 12 is displaced.

  In each of the above embodiments, the support member, that is, the leaf spring 8 is connected to the base member 1 side, and the cam portion 16 is provided on the barrel holder 6 side. However, the present invention is configured in this way. Is not limited. The leaf spring may be connected to the lens holder, that is, the barrel holder 6 side, the cam portion 16 may be provided on the leaf spring 8, and for example, a protrusion 15 that engages the cam portion 16 may be provided on the base member 1 side. In this configuration, the leaf spring 8 provided with the cam portion 16 also serves as a cam forming component, which can simplify the configuration and contribute to reducing the manufacturing cost.

It is a disassembled perspective view which shows one Embodiment of the lens drive device which concerns on this invention. It is a top view of this embodiment. It is a perspective view which shows the state which removed the case in this embodiment. It is a top view which shows the state which removed the case in this embodiment. It is AA sectional drawing of FIG. It is a perspective view which shows the back surface side of the barrel holder with which this embodiment is equipped. It is a perspective view which shows the leaf | plate spring with which this embodiment is equipped. It is a BB cross-sectional enlarged view of FIG. It is a perspective view which shows the coil holder part with which this embodiment is equipped. It is CC sectional drawing of FIG. It is a principal part top view which shows the arrangement | positioning relationship between the permanent magnet with which this embodiment is provided, a coil, and a yoke. It is a figure which shows the operation | movement of this embodiment, and is a principal part top view which shows the state at the time of especially de-energization. It is a figure which shows the operation | movement of this embodiment, and is a principal part top view which shows the state at the time of especially electricity supply. It is a principal part top view which shows another embodiment of this invention.

Explanation of symbols

1 Base member 1a Guide shaft (guide mechanism)
1b Guide shaft (guide mechanism)
2 Circuit board 3 Case 3a Opening 4 Optical lens 5 Lens barrel (lens holder)
6 Barrel holder (Lens holder)
6a Guide hole (guide mechanism)
6b Guide groove (guide mechanism)
7 Spring 8 Leaf spring (support member) [Drive mechanism]
8a Bending part 8b Bending part 8c Bending part 8d Biasing part 9 Permanent magnet (drive mechanism)
9a S pole 9b N pole 10 Coil holder (insulating member)
10a notch 10b notch 11 yoke (magnetic member) [drive mechanism]
11a central part 11b side part 11c side part 12 coil (drive mechanism)
15 Protrusion (drive mechanism)
16 Cam part (drive mechanism)
16a Flat portion 16b First cam portion 16b1 Lower edge 16c Second cam portion 16c1 Lower edge 17 Terminal 17a Connection portion (soldering portion)
18 terminal 18a connection part (soldering part)
20 Image sensor 21 IR filter 22 Actuator control IC (drive mechanism)

Claims (2)

A lens holder that holds the lens, a drive mechanism that moves the lens holder in the optical axis direction, and a circuit board on which a control circuit that controls the drive mechanism is mounted;
A base member for assembling the drive mechanism is integrally provided on the circuit board,
The drive mechanism includes a permanent magnet and a coil arranged in a relationship in which one is movable and the other is immovable, and a magnetic member constituting a magnetic circuit, and the coil and the magnetic member are integrated by an insulating member. It can be assembled to the base member,
Further, a terminal for energizing the coil is integrally provided on the insulating member, and the terminal includes a soldering portion that can be soldered to the circuit board. . In the invention of claim 1,
The terminal is insert-molded to the insulating member, and the insulating member has a notch at a corner portion thereof, and the soldered portion of the terminal is exposed at the notch. A lens driving device.

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