CN108072962A - Lens driver - Google Patents
Lens driver Download PDFInfo
- Publication number
- CN108072962A CN108072962A CN201711095877.3A CN201711095877A CN108072962A CN 108072962 A CN108072962 A CN 108072962A CN 201711095877 A CN201711095877 A CN 201711095877A CN 108072962 A CN108072962 A CN 108072962A
- Authority
- CN
- China
- Prior art keywords
- maintaining part
- opposed
- leaf spring
- lens driver
- damping means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
- G03B13/36—Autofocus systems
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
Abstract
The present invention, which provides, to be formed the lens driver for inhibiting lens holder and generating unnecessary vibration, resonance with what is simply and readily manufactured.Downside leaf spring (17) has the annular maintaining part (17a) for being formed with the through hole (17a1) for messenger wire (411,412,413,414) insert in corner.The damping means (9) contacted with the middle part (85) of annular maintaining part (17a) and messenger wire (411,412,413,414) the two are held in annular maintaining part (17a).
Description
Technical field
The present invention relates to make in the more small-sized video camera carried in lens driver more particularly to portable phone etc.
Lens driver.
Background technology
In recent years, the high-performance of the video camera carried in portable phone etc., the requirement of multifunction improve, it is desirable that band photography
The lens driver carried in portable phone of machine etc. not only possesses automatic focusing function, is also equipped with stabilization function.
This lens driver is to be constructed as below, i.e. is referred to as camera unit (movable module) with 4 messenger wires supports
Previous AF camera modules, and be driven on 2 direction of principal axis orthogonal with the optical axis, so as to the construction of correction of jitter.
Specifically, one end of 4 linear messenger wires is fixed in the corner of pedestal, and the other end is inserted into epipleural
It is in the through hole of spring and fixed with solder etc..
However, in this lens driver, if unnecessary in the direction generation intersected with optical axis in camera unit
Resonance, then can to the work of stabilization generate obstruction.
In patent document 1, the damping means for inhibiting unnecessary resonance are configured between magnet holder and coil substrate.
Citation
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2013-44924 publications
It is but in the construction recorded in above-mentioned patent document 1, damping means configuration is (automatic to focus in magnet holder
With lens driving portion) between coil substrate, in this configuration, it is difficult to be coated with gelatinous damping means with distributor etc.
, there are productivity it is low the problem of.
The content of the invention
The present invention makes in view of the foregoing, it is intended that providing structure that can be simply and readily to manufacture
Into the lens driver for unnecessary vibration, the resonance for inhibiting mobile unit (lens holder).
In order to reach above-mentioned purpose, lens driver of the invention possesses：Mobile unit, including lens can be kept
The lens holder of body and the 1st driving mechanism that the lens holder is made to be moved to optical axis direction；Messenger wire is arranged to,
So as to the mode moved to the direction intersected with optical axis direction supports the mobile unit and exposes from the mobile unit；With
And the 2nd driving mechanism, the mobile unit is made to be moved to the direction intersected with optical axis direction, the mobile unit have so as to
To optical axis direction move mode support the lens holder upside leaf spring and downside leaf spring and supply the epipleural
Spring and the fixed fixed component of downside leaf spring, the lens driver are characterized in that the mobile unit has shape
Into the annular maintaining part for having the through hole for messenger wire insert, with the middle part of the annular maintaining part and the messenger wire this two
The damping means of person's contact are kept by the annular maintaining part.
According to this constitution, the damping means are formed with supplying described in the messenger wire insert exposed and configured from mobile unit
The annular maintaining part of through hole is kept, so being easy to be coated with the damping means.In addition, the damping means are by the ring
Shape maintaining part is kept, so its holding is reliable.
Preferably, the annular maintaining part is arranged at least any in the downside leaf spring and the fixed component
Side.
According to this constitution, the ring-type maintaining part is arranged at least appointing in the downside leaf spring and the fixed component
One side, so no longer separately needing the component with the annular maintaining part.
Preferably, at least a portion of the annular maintaining part is arranged at the downside leaf spring, the fixed component
With the opposed portion opposed with the messenger wire, the annular guarantor of the downside leaf spring is provided with and is formed in the opposed portion
At least a portion for holding portion keeps the maintaining part of the damping means together.
According to this constitution, the damping means, the portion of the annular maintaining part except being formed on the downside leaf spring
(at least a portion) is divided also to be kept beyond keeping by the maintaining part of the fixed component, institute is so as to reliably keep institute
Damping means are stated, vibration-damping function is not easily damaged.
Preferably, the maintaining part is configured to, be formed at the downside leaf spring the annular maintaining part it is upper
It side and is protruded outward from the opposed portion, and at least there are 2 protruding portions in front end, the ring-type maintaining part is set
To expose between 2 protruding portions.
It, can will be multiple described according to this constitution, the contact area of the damping means and the maintaining part can be increased
Damping means are maintained at the maintaining part and the annular maintaining part.In addition, the ring-type maintaining part is set in the maintaining part
2 protruding portions between expose, institute is so as to stablize and reliably with the maintaining part and the annular maintaining part holding
The damping means.
Preferably, there is the protruding portion distance of the top away from the opposed portion for lower part to be formed shorter
Stage portion.
According to this constitution, it can further increase the contact area with the damping means.
Preferably, the fixed component have frame-shaped portion and the opposed portion extend downwards from the frame-shaped portion and
It sets, the opposed portion has opposed faces opposed with the messenger wire and the lower end for being arranged at the opposed portion and under described
The fixed mounting surface of side plate spring is fixed on the fixed part of the downside leaf spring of the mounting surface and the annular maintaining part phase
It is adjacent.
According to this constitution, the ring-type maintaining part is arranged on the position adjacent with the fixed part of the downside leaf spring, institute
Even if to be applied in the stronger impacts such as whereabouts, the ring-type maintaining part will not be deformed significantly, can prevent the vibration damping
Component comes off from the maintaining part, described annular maintaining part etc..
Preferably, the damping means are at least set always from the opposed faces to the annular maintaining part.According to this
It forms, the coating weight of the damping means can be increased, thus it is possible to ensure vibration-damping function for a long time.
Preferably, the opposed faces are formed as, have centrally located central opposed faces and with the opposed portion
The counter-lateral quadrents opposed faces that the both ends of the central opposed faces on the direction that extending direction intersects are adjacent and configure, described one
Counter-lateral quadrents opposed faces are opposed each other.
According to this constitution, the opposed faces of the fixed component are arranged to, there are the central opposed faces and be located at
A pair side opposed faces of its both sides, and a pair of side opposed faces are opposite each other, so the one of the damping means
Part is contacted with a pair side opposed faces opposite one another, enables to be set always to the ring-type from the opposed faces
The holding of the damping means of maintaining part is relatively reliable.
Preferably, possess the housing for accommodating the mobile unit, housing shape when along the vertical view of optical axis direction
As rectangular-shaped, the shape during vertical view of the through hole is in substantially quadrangle corresponding with the shape of the vertical view of the housing
Shape.
According to this constitution, the through hole can be made to be the scope that can be moved in the housing with the mobile unit
Corresponding substantially quadrilateral shape, institute reduce the through hole so as to realizing, can realize that the damping means are not easy from perforation
Hole comes off.
The effect of invention
In accordance with the invention it is possible to provide composition that can be simply and readily to manufacture, inhibit mobile unit (lens maintaining part
Part) unnecessary vibration, resonance lens driver.
Description of the drawings
Fig. 1 is the stereoscopic figure of the lens driver of embodiments of the present invention.
Fig. 2 is the exploded perspective view from the upper side of lens driver shown in FIG. 1.
Fig. 3 is the exploded perspective view from the lower side of lens driver shown in FIG. 1.
Fig. 4 is the enlarged side view of messenger wire shown in Fig. 2.
Fig. 5 is the stereogram for the state for being omitted the housing of lens driver shown in FIG. 1.
Fig. 6 is the amplification stereogram near the damping means of the lens driver shown in Fig. 5.
Fig. 7 is the amplification stereogram for the state for being omitted the damping means of the lens driver shown in Fig. 5.
Fig. 8 is the amplification for the state for being omitted the damping means of the lens driver shown in Fig. 5 and fixed component
Stereogram.
Fig. 9 is the side from below for the state for being omitted the housing of lens driver shown in FIG. 1 and damping means
The stereogram of observation.
Figure 10 is the stereogram of Fig. 2, Fig. 3 and base component shown in Fig. 9.
Figure 11 is the stereogram of Fig. 2 and downside leaf spring shown in Fig. 3.
Figure 12 is the top view of Fig. 2 and upside leaf spring shown in Fig. 3.
Symbol description
1 ... lens driver
3 ... lenticular bodies
5 ... mobile units
7 ... fixed cells
9 ... damping means
11 ... base components
13 ... the 2nd coils
14 ... multilager base plates
15 ... conductive patterns
17 ... downside leaf springs
The annular maintaining parts of 17a ...
17a1 ... through holes
17f ... outsides fixed part (fixed part)
21 ... the 1st coils
23 ... lens holders
25 ... magnet
33 ... fixed components
33a ... opposed portion
33a1 ... opposed faces
The central opposed faces of 33a11 ...
33a12 ... sides opposed faces
33a2 ... mounting surfaces
33b ... maintaining parts
33b1 ... protruding portions
33d ... frame-shaped portion
35 ... upside leaf springs
37 ... partition plates
39 ... housings
411st, 412,413,414 ... messenger wire
85 ... middle parts
55 ... the 1st driving mechanisms
57 ... the 2nd driving mechanisms
462nd, 463 ... GMR elements
Specific embodiment
Hereinafter, the lens driver of embodiments of the present invention is illustrated.
Fig. 1 is the stereoscopic figure of the lens driver 1 of embodiments of the present invention.Fig. 2 is from lens shown in FIG. 1
The exploded perspective view of the upper side observation of driving device 1.Fig. 3 is from the lower side of lens driver 1 shown in FIG. 1
Exploded perspective view.Fig. 4 is the enlarged side view of messenger wire 411,412,413,414 shown in Fig. 2.Fig. 5 is by lens shown in FIG. 1
The stereogram for the state that the housing 39 of driving device 1 is omitted.Fig. 6 is the damping means of the lens driver 1 shown in Fig. 5
Amplification stereogram near 9.Fig. 7 is putting for the state of being omitted the damping means 9 of the lens driver 1 shown in Fig. 5
Big stereogram.Fig. 8 is the state for being omitted the damping means 9 of the lens driver 1 shown in Fig. 5 and fixed component 33
Amplification stereogram.
In addition, for ease of understanding, in fig. 1 it is shown that lenticular body 3 is installed in the state of lens holder 23.
In addition, in Fig. 2 and Fig. 3, to represent the figure of the configuration relation of each component, so by a part of component (downside leaf spring 17, upside
Leaf spring 35 etc.) shape simplification after illustrated.
As shown in Fig. 1~Fig. 8, lens driver 1 for example with base component 11, the 2nd coil 13, conductive pattern 15,
Downside leaf spring 17, the 1st coil 21, lens holder 23,4 magnet (permanent magnet) 25, fixed component 33, upside leaf springs
35th, partition plate (head cover) 37,39,4 messenger wires 411,412,413,414 of housing and damping means 9 etc..In addition, conductive pattern 15 is logical
It crosses plating and is integrally formed in base component 11, but in Fig. 2 and Fig. 3, for convenience, by the two discrete representation.
Here, partition plate 37, upside leaf spring 35, fixed component 33, magnet 25, lens holder 23, the 1st coil 21 and under
Side plate spring 17 forms mobile unit 5.
In addition, 11 and the 2nd coil 13 of base component for being formed with conductive pattern 15 forms fixed cell 7.
In addition, downside leaf spring 17, the 1st coil 21, magnet 25, fixed component 33 and upside leaf spring 35, composition makes holding saturating
The 1st driving mechanism that the lens holder 23 of mirror body 3 (lens drum) is moved to the optical axis direction (Z1-Z2 directions) of lenticular body 3
55。
In addition, the 2nd coil 13 and the composition of magnet 25 make mobile unit 5 to the direction for intersecting (orthogonal) with optical axis direction
The 2nd mobile driving mechanism 57 of (X1-X2, Y1-Y2 direction).
In addition, in Fig. 1 to Fig. 3 and Fig. 5, the Z1 sides of upside are represented, be for the carrying of lens driver 1, video camera
Photography target, that is, subject present in object side.In addition, representing the Z2 sides of downside, taken the photograph for opposed with lenticular body 3
The camera shooting side of element configuration.
Lens driver 1 has automatic focusing function and stabilization function.
Automatic focusing function is, based on photographed images, will keep the lens holder 23 of lenticular body 3 along optical axis direction
(Z1-Z2 directions) is mobile and carries out the function of focus adjustment.Automatic focusing function is mainly by the 1st coil 21, magnet 25, solid
Determine the realizations such as component 33, downside leaf spring 17 and upside leaf spring 35.
Stabilization function is the position based on the mobile unit 5 (lens holder 23) detected with GMR element 462,463
Information, during to photography the shake that generates be corrected and can image not as deviation image function.In stabilization function
In, 23 grade of lens holder is made to be moved to X1-X2, Y1-Y2 direction intersected with optical axis direction as described later.
Stabilization function mainly passes through the compositions such as the 2nd coil 13, magnet 25 and messenger wire 411,412,413,414.
In lens driver 1, the outside of fixed component 33 configuration messenger wire 411,412,413,414, with lens
Holding member 23 can move on the stabilization direction (X1-X2, Y1-Y2 direction) intersected with optical axis direction (Z1-Z2 directions)
Mode support mobile unit 5.Messenger wire 411,412,413,414 is configured with the state exposed from mobile unit 5 in mobile unit
Around 5.
As shown in figure 4, the middle part 85 near the centre at the both ends of messenger wire 411,412,413,414, with vibration damping portion
Part 9 contacts.Damping means 9 are by the maintaining part 33b and the ring-type of downside leaf spring 17 set by the opposed portion 33a in fixed component 33
Maintaining part 17a is kept (with reference to Fig. 5~Fig. 7).
In lens driver 1, damping means 9 and messenger wire that maintained portion 33b and ring-type maintaining part 17a are kept
411st, 412,413,414 middle part 85 contacts, thus the mobile unit 5 supported by messenger wire 411,412,413,414
Vibration in the direction intersected with optical axis direction is inhibited, and institute can suitably carry out stabilization so as to avoid resonating.This
Outside, the component parts near the middle part 85 of the messenger wire 411,412,413,414 configured around fixed component 33 is less
Position be provided with damping means 9, therefore the setting of damping means 9 is easy in manufacturing process, can obtain higher life
Yield.
Hereinafter, the composition for lens driver 1 and effect, are described in detail.
The lens holder 23 of lenticular body 3 can be kept, by downside leaf spring 17 and upside leaf spring 35 from Z1-Z2 directions
Both sides are flexibly supported with clipping.Lenticular body 3 is kept (fixation) in formation tubular by means such as bonding agent, screw clamps
Lens holder 23 inner circumferential.
In addition, as shown in figure 8, fixing (holding) in the periphery of lens holder 23 has the 1st coil 21.1st coil 21
It is to be formed in the periphery coiled electrical conductor of lens holder 23.When being powered to the 1st coil 21, by the 1st coil 21
The electric current of circulation and the electromagnetic interaction from the magnetic field of magnet 25, generation make the 1st coil 21 and the lens holder 23 be
One simultaneously makes them along Z1-Z2 directions (optical axis direction) mobile electromagnetic force.Hereby it is achieved that automatic focusing function.
2nd coil 13 is along X1-X2, Y1-Y2 plane, in the center on each side of the rectangle of base component 11 nearby with point
Symmetrical mode is provided with 4.2nd coil 13 has swirls with by the formation grown along the direction on each side of base component 11
The base material of sheet of conductive pattern be stacked multiple multilager base plates 14 formed and form, multilager base plate 14 is fixed on by bonding agent
On base component 11.From transversal 2nd coil 13 in the magnetic field of magnet 25.Therefore, after the 2nd coil 13 is energized, by the 2nd line
The electric current that circulates and the electromagnetic interaction from the magnetic field of magnet 25 in circle 13, generation make mobile unit 5 integrally along
The electromagnetic force of X1-X2, Y1-Y2 direction movement.Stabilization function is achieved as a result,.In addition, form the magnet 25 of plate, quilt
It is magnetized to, becomes different magnetic poles between the opposed inner face of the 1st coil 21 outside opposite with its.
Fig. 9 be in a state that the housing 39 of lens driver 1 shown in FIG. 1 and damping means 9 are omitted from
The stereogram of lower side observation.Figure 10 is the stereogram of base component 11.Figure 11 is the stereogram of downside leaf spring 17.On Figure 12 is
The top view of side plate spring 35.
Base component 11 for example makes the resin material of insulating properties shape and form, and is formed as rectangular-shaped.
Near the center of base component 11, toroidal is formed in position corresponding with imaging sensor (not shown)
Opening portion 11k.
Base component 11 4 while it is each while predetermined portion, be provided with the positioning institute of the 2nd coil 13 (multilager base plate 14)
The positioning region used.Above base component 11, as shown in Figure 10, there are four be used to that the 2nd coil 13 will to be formed for formation
The bonding agent fixed fixed part 11a of multilager base plate 14.Be formed as cricoid recessed in a manner of surrounding each fixed part 11a
Portion contains extra bonding agent.Below the multilager base plate 14 for forming the 2nd coil 13, Fig. 2 and shown in Fig. 3 is installed
GMR element 462,463.The receiving recess portion 11b for accommodating GMR element 462,463 is provided on base component 11.
As shown in FIG. 9 and 10, on base component 11 conductive pattern 15 is formed with by electroplating processes.Conductive pattern 15
It is formed in base component 11 the upper surface of, following and opening portion 11k inner peripheral surface.In addition, in 4 corners of base component 11, shape
Into there is through hole 11c, through hole 11c inner peripheral surface and its around, be formed with the connection with the conducting of a part of conductive pattern 15
Portion 151.Connecting portion 151 is a part for conductive pattern 15, is formed with conductive pattern 15 likewise by electroplating processes.
As shown in Fig. 5~Fig. 8 and Fig. 4, in the through hole 11c of base component 11, it is inserted into and is fixed in optical axis side
The lower end (one end) for the messenger wire 411,412,413,414 that face, that is, Z1-Z2 side upwardly extends.The fixation passes through for connection
The soldering in portion 151 carries out, but can also pass through the progress such as conductive adhesive.As shown in Figure 9 under connecting portion 151
Face is formed with lower end (one end) fixed solder fillet (solder fillet) of messenger wire 411,412,413,414
153。
In addition, conductive pattern 15 is electrically being separated into multiple, several (being in the present embodiment 12) therein are logical
It crosses soldering and is electrically connected with the wiring pattern (not shown) formed on the multilager base plate 14 for forming the 2nd coil 13.Thereby, it is possible to pass through
By conductive pattern 15, the output of the GMR element 462,463 of multilager base plate 14 is installed on to 13 circulating current of the 2nd coil or acquisition.
In addition, multiple conductive patterns 15 are exported to below base component 11, and as portion of terminal 15a.It can be from wherein 2 terminals
Portion 15a is to 21 circulating current of the 1st coil.
As shown in Fig. 4, Fig. 7 and Fig. 8, messenger wire 411,412,413,414 is formed as elongated substantially cylindric and for straight line
Shape.The upper end (the other end) of messenger wire 411,412,413,414 is inserted in the hole 35g of 4 jiaos of formation of upside leaf spring 35
It is fixed in (with reference to Figure 12) and by soldering.The metal material of the flexible electric conductivity of messenger wire 411,412,413,414
It is formed, such as is formed with copper alloy.As described later, messenger wire 411,412 is used also for being fed to the 1st coil 21
's.
Hereinafter, to messenger wire 411,412,413,414 and inhibit the direction intersected with optical axis direction of mobile unit 5 and shake
Dynamic, resonance mechanism is described in detail.
Messenger wire 411,412,413,414 is as previously mentioned, the conductive pattern 15 formed in base component 11 is fixed in lower end
Connecting portion 151, upper end be fixed on upside leaf spring 35, mobile unit 5 is supported to move in the x, y direction.
As shown in Figures 5 and 6, the middle part 85 between the upper end and lower end of messenger wire 411,412,413,414,
Damping means 9 are penetrated through in the state of being contacted with damping means 9.In other words, the middle part 85 of messenger wire 411~414 is embedded in
Damping means 9.
As shown in Fig. 7, Fig. 8 and Figure 11, downside leaf spring 17 has the annular maintaining part for being formed with through hole 17a1 at 4 jiaos
17a, through hole 17a1 are inserted respectively for messenger wire 411,412,413,414.Through hole 17a1 is bowing from optical axis direction
The shape of apparent time is corresponding with the shape (rectangular-shaped) of the vertical view of housing 39, and is formed as quadrilateral shape.In addition, annular maintaining part
17a is the part for the complete cycle for surrounding through hole 17a1, keeps damping means 9.
As shown in figure 5, it is provided with 85 the two of middle part with ring-type maintaining part 17a and messenger wire 411,412,413,414
The damping means 9 of contact.
As shown in Fig. 5, Fig. 6 and Fig. 7, annular maintaining part 17a is arranged at downside leaf spring 17.Fixed component 33 have at this
The messenger wire 411,412,413,414 configured around fixed component 33 distinguishes 4 opposed opposed portion 33a.In opposed portion 33a,
It is provided with positioned at the upside of annular maintaining part 17a, and the maintaining part 33b of damping means 9 is kept together with annular maintaining part 17a.
Maintaining part 33b is the upside maintaining part configured in a manner of Chong Die with the upside of the annular maintaining part 17a on the downside of it.
Maintaining part 33b is protruded outward from opposed portion 33a, at least has 2 protruding portion 33b1 in front end.Ring-type is kept
Portion 17a is arranged to expose between 2 protruding portion 33b1.
As shown in fig. 7, protruding portion 33b1 have for lower part (Z2 sides) top (Z1 sides) away from opposed portion 33a away from
From the stage portion 33c for being formed shorter.In addition, the composition of maintaining part 33b is without being limited thereto, 2 protruding portions can also be formed as
The ring-type that the front end of 33b1 is connected with each other.
Fixed component 33 as shown in Figures 2 and 3, has the substantially rectangular shape that upside leaf spring 35 is supplied to configure (mounting) (more sternly
Be sincerely octagonal shape) frame-shaped portion 33d, and form columnar opposed portion 33a and extend downwards from the corner of frame-shaped portion 33d
And it sets.Fixed component 33 is formed with synthetic resin material.
As shown in fig. 7, opposed portion 33a has the opposed faces 33a1 (side) opposed with messenger wire 411,412,413,414, sets
It is placed in the lower end of opposed portion 33a and supplies downside leaf spring 17 (outside fixed part 17f) fixed mounting surface 33a2 (with reference to Fig. 3).
In mounting surface 33a2, hub prominent downwards is provided with.
Damping means 9 are at least set always from opposed faces 33a1 to annular maintaining part 17a.It is fixed on installation shown in Fig. 3
The fixed part (outside fixed part 17f) of the downside leaf spring 17 of face 33a2 is adjacent with annular maintaining part 17a.
Opposed faces 33a1 have centrally located flat central opposed faces 33a11, with and opposed portion 33a extending direction
The offside that the both ends of central opposed faces 33a11 on (optical axis direction, Z1-Z2 directions) intersecting direction are adjacent and configure
Portion opposed faces 33a12.
One counter-lateral quadrents opposed faces 33a12 is formed as (opposite) opposite one another each other.That is, with a counter-lateral quadrents opposed faces 33a12
Opposed mode each other, side opposed faces 33a12 and central opposed faces 33a11 have angle.
Damping means 9 are arranged to the gelatinous of shape as shown in Figures 5 and 6, pass through distributor in manufacturing process
Etc. being coated near the middle part 85 of messenger wire 411,412,413,414.The damping means 9 being coated with due to surface tension and into
Enter into the through hole 17a1 of annular maintaining part 17a after being kept, irradiate ultraviolet light etc. to harden.A part for damping means 9
Also contacted with below annular maintaining part 17a.Damping means 9 are made of the gelatinous resin of UV cured property, such as can
Use the Silica hydrogel (ProductName of three strong (ThreeBond) company systems：TB3168E).
As described above, by the way that annular maintaining part 17a is made to support damping means 9, damping means 9 can be configured with high precision
Defined position when designing, the vibration suppressioning effect based on damping means 9 are improved.Furthermore it is possible to by damping means 9
Annular maintaining part 17a is steadily held in, even if being applied in the stronger impact of whereabouts etc., also can realize damping means 9 not
Easily come off from annular maintaining part 17a etc..
In the present embodiment, damping means 9 are placed around the middle part 85 of messenger wire 411,412,413,414, so
In the case that even if mobile unit 5 (lens holder 23) generates the vibration on the direction intersected with optical axis direction, also can
It is enough to keep damping means 9 here around messenger wire 411,412,413,414, it is able to maintain that vibration suppressioning effect.
As shown in figure 12, upside leaf spring 35 has the 1st upside leaf spring that the metallic plate by the electric conductivity of electrical separation is formed
35a and the 2nd upside leaf spring 35b.1st upside leaf spring 35a and the 2nd upside leaf spring 35b have respectively in a manner of frame-shaped is integrally formed
Have and be shaped generally as the exterior portion 35c of U-shaped, positioned at the inside of exterior portion 35c and be fixed on lens holder 23
Top inboard portion 35d and the elastic arm 35e that is arranged between inboard portion 35d and exterior portion 35c.Outside portion
35c is divided to be connected with being formed with the cable fixed part 35f of foregoing hole 35g.
The exterior portion 35c of the outside fixed part of upside leaf spring 35 is formed, by the 2 components i.e. fixed part for forming frame-shaped
Part 33 (frame-shaped portion 33d) and partition plate 37 are fixed to clamp with bonding agent.In addition, inside fixed part, that is, inboard portion 35d,
The hub set by the top of lens holder 23 is inserted in the multiple mounting hole 35h formed in inboard portion 35d, by making
The front end of hub is crushed (riveting), and is fixed in lens holder 23.
In addition, one end of the 1st coil 21 shown in Fig. 3 turns on connection, the 1st line with the 1st upside leaf spring 35a via electric wire 87
The other end of circle 21 turns on connection via electric wire 89 with the 2nd upside leaf spring 35b.
By this composition, messenger wire 411 turns on connection with one end of the 1st coil 21, and 412 and the 1st coil 21 of messenger wire
Other end conducting connection, can feed the 1st coil 21.
As shown in figures 2 and 5, base component 11 4 while each while, be respectively correspondingly configured with elongated shape
2nd coil 13.As previously mentioned, 4 the 2nd coils 13, form along each side for forming rectangular-shaped multilager base plate 14.Also,
By using the construction being fixed on this 1 multilager base plate 14 on base component 11, the positioning of the 2nd coil 13 becomes easy, energy
Enough make manufacturing process simple.In addition, the both ends of each 2nd coil 13, via solder and the conduction for being formed at base component 11
Pattern 15 turns on.
From transversal 2nd coil 13 in the magnetic field of magnet 25.Therefore, by the electric current that circulates in the 2nd coil 13 with coming from
The electromagnetic interaction in the magnetic field of magnet 25, generation can make mobile unit 5 integrally along the X direction, Y-direction or X-direction
Direction between Y-direction and the electromagnetic force of movement.
In addition, in the present embodiment, the 2nd coil 13 is formed as whirlpool using the pattern by being stacked multiple electric conductivity
The base material of the sheet of shape and the multilager base plate (multilayer coil) formed, but the coil that coiled electrical conductor can also be used to form.
The downside leaf spring 17 being made of metallic plate is as shown in figure 11, has cricoid inboard portion 17b, compared to the inside
Part 17b is located at 4 exterior portion 17c of (peripheral side) in the outer part and is arranged at inboard portion 17b and each exterior portion 17c
Between 4 elastic arm 17d.Part 17c on the outside, foregoing annular maintaining part 17a is adjacent with outside fixed part 17f and sets
It puts.Outside fixed part 17f is located at compared to annular maintaining part 17a more by elastic arm 17d sides, and is formed with mounting hole
17f1.Downside leaf spring 17 is that outside fixed part 17f is fixed on the mounting surface 33a2 of fixed component 33 shown in Fig. 3.The fixation is led to
Riveting is crossed to carry out.Riveting is that the hub for the mounting surface 33a2 that will be inserted into mounting hole 17f1 is allowed to crush to carry out from front end side
's.
In addition, the 4 inside fixed part 17e set in inboard portion 17b of downside leaf spring 17 are adhesively secured to
The lower part of mirror holding member 23.
In the present embodiment, downside leaf spring 17 and upside leaf spring 35 are fixed on the fixed component 33 as same parts,
Institute is so as to realize that lens holder 23 is not easy to tilt compared with optical axis (Z1-Z2 directions).
As shown in Figures 2 and 3, the 1st coil 21 (being more scrupulously octagonal shape) in substantially rectangular shape, winds and is fixed on
The periphery of lens holder 23.1st coil 21 is fed as described above by messenger wire 411,412.
In addition, in the outside of lens holder 23, exist be respectively provided with 4 edge of the 1st coil 21 it is opposed with gap
4 magnet 25.
The shapings such as the resin of insulating properties of fixed component 33, are fixed for upside leaf spring 35 and partition plate 37.
Fixed component 33 has the frame-shaped portion 33d that is formed as polygon-shaped (generally rectangular bodies) and positioned at 4 jiaos of opposed portion
33a.In addition, opposed portion 33a, pass through the leg that is protruded downwards from frame-shaped portion 33d in the corner of the frame-shaped portion 33d of substantially rectangular shape
Portion is formed.
Magnet 25 is configured with the state that is located between adjacent opposed portion 33a (leg), is fixed on pair by bonding agent
Put the side of portion 33a.Magnet 25 is integrated with fixed component 33 as a result,.
As shown in Figure 1 to Figure 3, in the vertical view from optical axis direction, outer shape (profile) formation has housing 39
2 extended in X direction while and along Y-direction extension 2 while it is rectangular-shaped, and be formed as the open box-shaped of lower side (Z2 direction sides)
Shape.Housing 39 is for example formed by carrying out drawing process to nonmagnetic metallic plate.Housing 39, which has, to be formed with and makes lenticular body 3
The top 39a of the quadrilateral shape of the opening portion 39k of exposing, the 4 flat sides extended downwards from the outer edge of top 39a
Wall portion 39b.In addition, between adjacent side of sidewall portion 39b, 39b, for the circular shape generated when being processed to housing 39.Housing
39 cover base component 11 in a manner of accommodating mobile unit 5, multilager base plate 14 etc., and pass through bonding agent and be fixed on base component
11。
The mobile unit 5 supported by messenger wire 411,412,413,414, can move up in the direction intersected with optical axis direction
It is dynamic, but its amount of movement, it abuts to be limited by a part and the housing 39 (inner face of side of sidewall portion 39b) of mobile unit 5.By
This, can prevent plastic deformation and the rupture of messenger wire 411,412,413,414.
In addition, the as previously mentioned, vertical view of the through hole 17a1 for the downside leaf spring 17 of the insert of messenger wire 411,412,413,414
When shape, in quadrilateral shape (oblong-shaped or the square of the corresponding rectangle of shape (rectangular shape) with overlooking housing 39
Shape).That is, 4 sides (inner edge portion of annular maintaining part 17a) of composition through hole 17a1 are respectively formed as 4 side walls with housing 39
Portion 39b is substantially parallel.In addition, in the quadrilateral shape of through hole 17a1, be set to, the side extended in X direction with along Y-direction
The ratio of the length on the side of extension, with the side of sidewall portion 39b extended in X direction and the ratio of the length of the side of sidewall portion 39b along Y-direction extension
Substantially same degree.In addition, through hole 17a1 is formed as, in the case where mobile unit 5 is abutted with housing 39, messenger wire 411,
412nd, 413,414 such size is not abutted yet with the inner edge portion of annular maintaining part 17a.That is, through hole 17a1 is formed as slightly
Messenger wire 411,412,413,414 will not be deformed undesirably being sized such that with nargin.
Hereinafter, the effect of lens driver 1 is illustrated.
[automatic to focus on]
In automatic focusing task, the imaging results based on the light with injecting imaging sensor via lenticular body 3 are corresponding
Photographed images supply electric current, to adjust focus to the 1st coil 21.
Also, the electric current by circulating in the 1st coil 21 and the electromagnetic interaction from the magnetic field of magnet 25, generate
The 1st coil 21 and lens holder 23 is made to be integrated and make them along the mobile electromagnetic force of optical axis direction (Z1-Z2 directions).
[stabilization]
It is logical to the 2nd coil 13 based on the location information detected by GMR element 462,463 etc. in stabilization work
Electricity.In addition, the 2nd coil 13 is configured to, can independently extend to a pair of of coil for extending along X1-X2 directions and along Y-direction
A pair of of coil supplies electric current.
When being powered to the 2nd coil 13, pass through the electric current to circulate in the 2nd coil 13 and the electromagnetism from the magnetic field of magnet 25
Interaction, generating makes lens holder 23 and electromagnetism that mobile unit 5 is integrally moved along X1-X2,1-Y2 direction
Power.Also, the mobile unit 5 supported by messenger wire 411,412,413,414, in the stabilization orthogonal with optical axis direction (Z-direction)
It is moved on (X1-X2, Y1-Y2 direction) in direction.
At this point, the middle part 85 of messenger wire 411,412,413,414 and the damping means 9 kept by annular maintaining part 17a
Contact, institute is so as to avoid lens holder 23 and mobile unit 5 from vibrating and resonate.Thereby, it is possible to suitably carry out stabilization.
As described above, according to lens driver 1, be provided with ring-type maintaining part 17a and messenger wire 411,412,
413rd, the damping means 9 of both 414 middle parts 85 contact.
Damping means 9 are formed with the annular maintaining part 17a of the through hole 17a1 inserted for messenger wire 411,412,413,414
It is kept, messenger wire 411,412,413,414 exposes from mobile unit 5, so easily coating damping means 9.In addition, damping means
9 are kept by annular maintaining part 17a, so the holding is reliable.
In addition, according to lens driver 1, annular maintaining part 17a is arranged at downside leaf spring 17, so no longer additionally needing
Component with annular maintaining part 17a.
In addition, according to lens driver 1, as shown in fig. 7, ring-type maintaining part 17a is arranged at downside leaf spring 17, fixed part
Part 33 has the opposed portion 33a opposed with messenger wire 411,412,413,414, is provided in opposed portion 33a positioned at annular maintaining part
The upside of 17a and the maintaining part 33b that damping means 9 are kept together with annular maintaining part 17a.Therefore, as shown in Figure 6, subtract
The component 9 that shakes is kept by the annular maintaining part 17a of downside leaf spring 17 and the maintaining part 33b of fixed component 33, and institute is so as to can
More damping means 9 are kept by ground, vibration-damping function is not easily damaged.In addition, ring-type maintaining part 17a is arranged at downside leaf spring 17,
So compared with setting the situation of annular maintaining part on the component in synthetic resin by forming, annular holding is readily available
Portion 17a.I.e. fixed component 33 (opposed portion 33a) is resin, thus by form obtain relatively thin annulus be it is difficult,
But it since downside leaf spring 17 is metal, is able to easily form as ring-type.
In addition, in lens driver 1, as shown in fig. 7, maintaining part 33b is protruded outward from opposed portion 33a, at least
There are 2 protruding portion 33b1 in front end and form, annular maintaining part 17a is arranged to expose between 2 protruding portion 33b1.Cause
This, can increase the contact area of damping means 9 and maintaining part 33b, can many damping means 9 be held in maintaining part 33b
And annular maintaining part 17a.In addition, ring-type maintaining part 17a is arranged to expose between 2 protruding portion 33b1 of maintaining part 33b, so
Maintaining part 33b and annular maintaining part 17a can be used to stablize and reliably keep damping means 9.
In addition, according to lens driver 1, protruding portion 33b1 has for lower part top away from opposed portion 33a's
The stage portion 33c that distance forms shorter.Therefore, it is possible to further increase the contact area with damping means 9.
In addition, in lens driver 1, as shown in fig. 7, fixed component 33 has the frame-shaped that upside leaf spring 35 is supplied to configure
Portion 33d, and opposed portion 33a extends downwards from frame-shaped portion 33d and is set.In addition, opposed portion 33a have with messenger wire 411,
412nd, 413,414 opposed opposed faces 33a1 (side) and it is arranged at the lower end of opposed portion 33a and downside leaf spring 17 is supplied to fix
Mounting surface 33a2 shown in Fig. 3.Also, damping means 9 are at least set always from opposed faces 33a1 to annular maintaining part 17a.
In addition, the fixed part (outside fixed part 17f) for being fixed on the downside leaf spring 17 of mounting surface 33a2 is adjacent with annular maintaining part 17a.
By this composition, the coating weight of damping means 9 can be increased, institute so as to ensure vibration-damping function for a long time.In addition, ring
Shape maintaining part 17a is arranged on the position adjacent with the fixed part of downside leaf spring 17 (outside fixed part 17f), so even if being applied
Add the stronger impact of whereabouts etc., annular maintaining part 17a will not be deformed significantly, and damping means 9 can be prevented from maintaining part
33b, annular maintaining part 17a's etc. comes off.
In addition, in lens driver 1, opposed faces 33a1 have centrally located central opposed faces 33a11, with and it is right
The both ends for putting the central opposed faces 33a11 in the intersecting direction of extending direction (optical axis direction) of portion 33a are adjacent and configure one
Counter-lateral quadrents opposed faces 33a12.In addition, it is opposed each other (opposite) to be formed as a counter-lateral quadrents opposed faces 33a12.
According to this constitution, the opposed faces 33a1 of fixed component 33 is arranged to, there is center opposed faces 33a11 and positioned at it
One counter-lateral quadrents opposed faces 33a12 of both sides, and a counter-lateral quadrents opposed faces 33a12 is opposite each other, so a part for damping means 9
It is contacted with a counter-lateral quadrents opposed faces 33a12 opposite one another, enables to be set always to annular maintaining part from opposed faces 33a1
The damping means 9 of 17a remain more structurally sound holding.
In addition, in lens driver 1, the vertical view for possessing receiving mobile unit 5 is rectangular-shaped housing 39, and ring-type is protected
The shape during vertical view of the through hole 17a1 of portion 17a is held, in substantially quadrilateral shape corresponding with the flat shape of housing 39.
According to this constitution, through hole 17a1 can be set to the scope pair that can be moved in housing 39 with mobile unit 5
The substantially quadrilateral shape answered, institute enable to damping means 9 to be not easy to take off from through hole 17a1 so as to reduction through hole 17a1
Fall.In addition, the annular maintaining part 17a for forming through hole 17a1 also forms smaller, so with through hole is for example made to be toroidal
Situation compare, it is possible to realize the miniaturizations of lens driver 1.
The present invention is not limited to above-mentioned embodiments.
That is, those skilled in the art can be in the technical scope of the present invention or its equivalent scope, on above-mentioned reality
The inscape for applying mode carries out various changes, combination, secondary combination and replacement.
In the above-described embodiment, instantiate and downside leaf spring 17 is provided with the situation of annular maintaining part 17a, but also may be used
Annular maintaining part is set with the component in fixed component 33 or beyond it.In addition it is also possible to annular maintaining part is arranged on down
Side plate spring 17 and fixed component 33 this two side.
In addition, annular maintaining part (17a) is the part for surrounding through hole (17a1), but need not be complete by the complete cycle of through hole
Complete to surround, as long as be coated with damping means 9 can be kept, a part for annular maintaining part can also interrupt halfway.But
In this case, it and using messenger wire as benchmark, is continuously formed positioned at the annular maintaining part away from the remote one side of optical axis.
In addition, instantiating the situation that maintaining part 33b is provided in fixed component 33, but maintaining part 33b can not also be set,
And damping means 9 are only kept by annular maintaining part 17a.
In addition, the shape of the through hole 17a1 of annular maintaining part 17a can also be beyond rectangle.
In addition, in the above-described embodiment, annular maintaining part 17a is only made up of downside leaf spring 17, but can also be led to
It crosses downside leaf spring 17 and fixed component 33 forms the annular maintaining part for keeping damping means 9.That is, for example, downside leaf spring 17 passes through
Through hole 17a1 is connected with mounting hole 17f1, the remote peripheral side of the optical axis away from messenger wire, and (outside is kept with a part for downside leaf spring 17
Portion) it is opposed, it is opposed with the maintaining part (inside maintaining part) of the opposed portion formation in fixed component 33 away from the near inner circumferential side of optical axis, and
Annular maintaining part is formed by outside maintaining part and inside maintaining part.In this way, be all in any case, on the leaf spring of downside,
In the peripheral side of the optical axis away from messenger wire (separate) farther out, the outside maintaining part opposed with messenger wire as annular maintaining part at least one
Partly formed.
In addition, in the above-described embodiment, the situation for having used 4 messenger wires 411,412,413,414 is instantiated, but is hung
The quantity of line is not particularly limited.
In addition, it in the above-described embodiment, instantiates the middle part 85 of 1 messenger wire 411,412,413,414 with 1
The situation that damping means 9 contact, but the different positions beyond middle part or middle part and multiple vibration dampings can also be set to
Component 9 contacts.
In addition it is also possible to for 1 messenger wire 411,412,413,414, multiple ring-types are set in the different positions of Z-direction
Maintaining part 17a and damping means 9.
In addition, the component of damping means 9, as long as with ability of absorbing vibration, is not limited to gelatinous component.
In addition, in the above-described embodiment, instantiate the 1st upside leaf spring 35a and the 2nd upside leaf spring 35b physically
Separated situation but as long as electrically separating, can also be configured to a module.
In the above-described embodiment, instantiate in the 1st driving mechanism 55 (autofocus mechanism) and the 2nd driving mechanism 57
The situation of magnet 25 is shared between (stabilization mechanism), but the composition from each accordingly using different magnet can also be set to.
In addition, it in the above-described embodiment, instantiates and is fixed on the other end of messenger wire 411,412,413,414
The situation of side plate spring 35, but fixed component 33 can also be fixed on.
Industrial utilizability
The present invention can be applied to use the lens driver of messenger wire.
Claims (9)
1. a kind of lens driver, possesses：
Mobile unit, including that can keep the lens holder of lenticular body and the lens holder is made to be moved to optical axis direction
The 1st driving mechanism；Messenger wire is arranged to, so as to the mode moved to the direction intersected with optical axis direction support it is described can
Moving cell and from the mobile unit expose；And the 2nd driving mechanism, make the mobile unit to the side intersected with optical axis direction
To movement,
The mobile unit has so as to the mode moved to optical axis direction supports the upside leaf spring of the lens holder
And downside leaf spring and supply the upside leaf spring and the fixed fixed component of downside leaf spring,
The lens driver is characterized in that,
The mobile unit has the annular maintaining part for being formed with the through hole for messenger wire insert,
Damping means contact with both middle parts of the annular maintaining part and the messenger wire are by the annular maintaining part guarantor
It holds.
2. lens driver according to claim 1, wherein,
The ring-type maintaining part is arranged at either one in the downside leaf spring and the fixed component.
3. lens driver according to claim 1 or 2, wherein,
At least a portion of the ring-type maintaining part is arranged at the downside leaf spring, and the fixed component has and the messenger wire
Opposed opposed portion is provided with and is formed at least one of the annular maintaining part of the downside leaf spring in the opposed portion
Divide the maintaining part for keeping the damping means together.
4. lens driver according to claim 3, wherein,
The maintaining part is configured to, and is formed at the upside of the annular maintaining part of the downside leaf spring and from described right
The portion of putting protrudes outward, and at least has 2 protruding portions in front end, and the ring-type maintaining part is arranged to, prominent from described 2
Go out between portion and expose.
5. lens driver according to claim 4, wherein,
The protruding portion has the stage portion that distance of the top away from the opposed portion forms shorter for lower part.
6. the lens driver according to any one of claim 3~5, wherein,
The fixed component has frame-shaped portion and the opposed portion extends downwards from the frame-shaped portion and set, described opposed
Portion has the opposed faces opposed with the messenger wire and the lower end for being arranged at the opposed portion and supplies the fixed peace of downside leaf spring
Dress face, the fixed part for being fixed on the downside leaf spring of the mounting surface are adjacent with the annular maintaining part.
7. lens driver according to claim 6, wherein,
The damping means are at least set always from the opposed faces to the annular maintaining part.
8. lens driver according to claim 7, wherein,
The opposed faces are formed as, and have centrally located central opposed faces and intersect with the extending direction of the opposed portion
Direction on the central opposed faces both ends are adjacent and the counter-lateral quadrents opposed faces that configure, the pair of side opposed faces
It is opposed each other.
9. according to lens driver according to any one of claims 1 to 8, wherein,
Possesses the housing for accommodating the mobile unit, the housing is formed as rectangular-shaped when along the vertical view of optical axis direction, institute
Shape when stating the vertical view of through hole is in substantially quadrilateral shape corresponding with the shape of the vertical view of the housing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016220636A JP6759064B2 (en) | 2016-11-11 | 2016-11-11 | Lens drive device |
| JP2016-220636 | 2016-11-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108072962A true CN108072962A (en) | 2018-05-25 |
| CN108072962B CN108072962B (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711095877.3A Active CN108072962B (en) | 2016-11-11 | 2017-11-09 | Lens driving device |
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| JP (1) | JP6759064B2 (en) |
| CN (1) | CN108072962B (en) |
Families Citing this family (3)
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|---|---|---|---|---|
| WO2021000159A1 (en) | 2019-06-30 | 2021-01-07 | 瑞声光学解决方案私人有限公司 | Lens assembly |
| CN114755793A (en) * | 2020-12-29 | 2022-07-15 | 新思考电机有限公司 | Lens driving device, camera device, and electronic apparatus |
| CN114755791A (en) * | 2020-12-29 | 2022-07-15 | 新思考电机有限公司 | Lens driving device, camera device, and electronic apparatus |
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| CN1629948A (en) * | 2003-12-19 | 2005-06-22 | 三美电机株式会社 | Objective lens driving device |
| JP2005174475A (en) * | 2003-12-11 | 2005-06-30 | Mitsumi Electric Co Ltd | Objective lens driving device |
| CN1744214A (en) * | 2004-08-30 | 2006-03-08 | 三美电机株式会社 | Objective lens driving device |
| WO2007086370A1 (en) * | 2006-01-27 | 2007-08-02 | Pioneer Corporation | Optical pickup device |
| CN103901701A (en) * | 2012-12-26 | 2014-07-02 | 三美电机株式会社 | Lens driving apparatus, camera module, and camera-equipped mobile terminal |
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| KR0160605B1 (en) * | 1991-07-27 | 1999-01-15 | 강진구 | Objective lens drive device of optical pickup |
| JP5512783B2 (en) * | 2011-08-12 | 2014-06-04 | シャープ株式会社 | The camera module |
| JP5849830B2 (en) * | 2012-03-30 | 2016-02-03 | ミツミ電機株式会社 | Lens holder driving device, camera module, and portable terminal with camera |
| JP2015219315A (en) * | 2014-05-15 | 2015-12-07 | 惠州市大亜湾永昶電子工業有限公司 | Hand tremor correction device |
| JP6297433B2 (en) * | 2014-06-30 | 2018-03-20 | 日本電産コパル株式会社 | Lens drive device |
| US9869881B2 (en) * | 2014-09-05 | 2018-01-16 | Apple Inc. | Passive damping solution to optical image stabilization for voice control motors |
| CN105242480B (en) * | 2015-08-14 | 2018-05-18 | 惠州市大亚湾永昶电子工业有限公司 | Lens driver and its magnet holder |
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- 2016-11-11 JP JP2016220636A patent/JP6759064B2/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005174475A (en) * | 2003-12-11 | 2005-06-30 | Mitsumi Electric Co Ltd | Objective lens driving device |
| CN1629948A (en) * | 2003-12-19 | 2005-06-22 | 三美电机株式会社 | Objective lens driving device |
| CN1744214A (en) * | 2004-08-30 | 2006-03-08 | 三美电机株式会社 | Objective lens driving device |
| WO2007086370A1 (en) * | 2006-01-27 | 2007-08-02 | Pioneer Corporation | Optical pickup device |
| CN103901701A (en) * | 2012-12-26 | 2014-07-02 | 三美电机株式会社 | Lens driving apparatus, camera module, and camera-equipped mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018077430A (en) | 2018-05-17 |
| JP6759064B2 (en) | 2020-09-23 |
| CN108072962B (en) | 2020-09-22 |
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