CN109917529A - Lens driver - Google Patents
Lens driver Download PDFInfo
- Publication number
- CN109917529A CN109917529A CN201910172332.0A CN201910172332A CN109917529A CN 109917529 A CN109917529 A CN 109917529A CN 201910172332 A CN201910172332 A CN 201910172332A CN 109917529 A CN109917529 A CN 109917529A
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- China
- Prior art keywords
- magnet
- extension
- lens
- coil
- holding member
- Prior art date
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Classifications
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- 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
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The purpose of the present invention is to provide a kind of lens drivers that can be improved thrust.Lens driver is characterized in that having: magnetic yoke (1), and the outside wall portions (11) with tubular, the outside wall portions have the first flat part of a pair (11a) opposite each other；It is able to maintain the lens holding member (2) of lenticular body；Cricoid coil (3), is wound in around lens holding member；The magnet (5) of a pair of plates shape, is individually fixed in the inner surface of the first flat part；And biasing member (6), it can move the bearing of lens holding member in the direction of the optical axis, the extension (13) that there is coil opposed with magnet and extending direction (LD) along magnet to extend, isolated position of the magnetic yoke on the extending direction of magnet, which has, distinguishes opposed the first inner wall part and the second inner wall part with the state parallel with magnet across extension, and extension is kept with corresponding to the part between the first inner wall part and the second inner wall part by lens holding member.
Description
It is March 22, entitled " lens in 2016 that the application, which is application No. is the 201610165896.8, applying date,
The divisional application of the application of driving device ".
Technical field
The present invention relates to a kind of lens drivers for example carried in the portable equipment with camera.
Background technique
In recent years, equipped with camera usually in the portable equipment using mobile phone as representative.Moreover, small-sized at this
Portable equipment in the main element i.e. lens driver of camera that carries in addition to requiring to minimize, accurately drive
Lens barrel (lens barrel) is such to be required also increasingly to improve.As the lens driver that should meet above-mentioned two requirement, it is known that
It will be used to drive the magnetic circuit of the lens carrier (lens holding member) kept to lens barrel (lens barrel) to be arranged in lens branch
Around frame.
As lens driver as described above, propose have as shown in Figure 12 in patent document 1 (conventional example)
Lens driver 910.Figure 12 is the three-dimensional transverse sectional view of the lens driver 910 of conventional example.Lens shown in Figure 12
Driving device 910 is configured to have: for keeping the lens carrier 914 of the tubular of lens assembly (lens barrel)；It is fixed on
On the lens carrier 914 and it is wound as the driving coil 916 of octagon tubular；Arranged opposite four with the driving coil 916
Flat permanent magnet 918；Shielding magnetic yoke (shield yoke) 922 with the square tube shape for keeping the permanent magnet 918 is (outer
Canister portion) magnetic yoke 920；And a pair of of leaf spring (not shown) that the two sides of the optical axis direction in lens carrier 914 are arranged.
In addition, there are four be formed continuously from shielding magnetic yoke 922 via the annular end 924 for forming top plate for the tool of magnetic yoke 920
Back magnetic yoke (inner vertical extension) 926, this four back magnetic yokes 926 are arranged respectively at lens carrier 914 and driving coil 916
Between quadrangle.Moreover, magnetic field by being generated by permanent magnet 918 and the electric current flowed in driving coil 916 constitute magnetic circuit,
The lens carrier 914 engaged with driving coil 916 is by the thrust generated by magnetic circuit, thus mobile towards a direction.At this point, logical
The magnetic flux for making to generate from permanent magnet 918 using magnetic yoke 920 is crossed via shielding magnetic yoke 922, annular end 924 and back magnetic yoke
926 and return again to permanent magnet 918, to increase the received magnetic flux of driving coil 916.
Citation
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2012-88432 bulletin
However, in the prior embodiment, since driving coil 916 is wound as octagon tubular, four back magnetic yokes 926 are divided
It is not disposed in the quadrangle for being not provided with flat permanent magnet 918.It therefore, will be from permanent magnet 918 using magnetic yoke 920 even if wanting
The magnetic flux of generation is enclosed in the inside, can also leak sometimes from elsewhere.As a result, there are the received magnetic of driving coil 916
Flux reduces, reduces such project by the thrust that magnetic circuit generates.
Summary of the invention
The present invention is for solving the above subject, and its purpose is to provide a kind of lens drivers that can be improved thrust.
Solution
In order to solve the project, lens driver of the invention has: magnetic yoke, outside wall portions with tubular, multiple
Inner wall part and upper plate portion, the outside wall portions have the first flat part of a pair opposite each other, and the inner wall part is located at the outer wall
The inside in portion, the upper plate portion link the outside wall portions and the inner wall part in a manner of interval；The lens of tubular are protected
Component is held, the inside of the outside wall portions of the magnetic yoke is disposed in and is able to maintain lenticular body；Cricoid coil, is wound in this
Around lens holding member；The magnet of a pair of plates shape, they are individually fixed in the inner surface of first flat part, along
It first flat part and is upwardly extended in the side orthogonal with optical axis direction；And biasing member, the lens are kept into structure
For that can move in the direction of the optical axis, the lens driver is characterized in that for part bearing, and the coil has and the magnetic
The extension that the opposed and extending direction along the magnet of iron extends, point of the inner wall part on the extending direction of the magnet
From position at have opposed the first inner wall part and the distinguished with the state parallel with the magnet across the extension
Two inner wall parts, the extension is to correspond to the part between first inner wall part and second inner wall part by the lens
Holding member is kept.
Lens driver of the invention can be in flat magnet and inner wall part (the first inner wall part and the as a result,
Two inner wall parts) between form parallel magnetic field.Therefore, permanent magnet can will not be made as conventional example and carries on the back the magnetic between magnetic yoke
Flux leakage and make the magnetic field that magnetic flux is enclosed in the inside, therefore the extension of coil can reliably receive magnetic flux.By
This, can be improved thrust caused by the magnetic circuit made as magnetic yoke, coil and magnet.
In addition, lens driver of the invention is characterized in that, described in the size ratio on the extending direction of the magnet
The length dimension of extension is big, and the size in the region than being arranged for first inner wall part and second inner wall part
Greatly.
Thereby, it is possible to be reliably received using inner wall part (the first inner wall part and the second inner wall part) by flat magnet
The magnetic flux of generation.The extension of coil between magnet and inner wall part (the first inner wall part and the second inner wall part) as a result,
Portion can reliably receive magnetic flux, therefore can reliably improve thrust.
In addition, lens driver of the invention is characterized in that, in the form of a substantially rectangular, the extension has the coil
It is standby: center portion and the parallel portion parallel with the magnet positioned at the extension；And positioned at the parallel portion two sides and with
With towards the end of the extension and the mode that separates with the magnet has the first rake of small first angle.
As a result, when the coiled electrical conductor in a manner of making coil become rectangle, generates and heave in the part of long size, but long ruler
The extension of very little part has and has in such a way that the parallel portion from center portion is separated towards the end of two sides with magnet
First rake of small first angle, therefore be able to suppress this and heave.Therefore, be not provided with small angle and heave and
The case where not becoming straight line, is compared, and can be formed as the part of extension closer to straight line, so as to make extension and magnetic
Iron and extension and inner wall part become substantially parallel state in the whole region of extension.Thereby, it is possible to provide coil with
The lens driver that spacing distance between magnet and inner wall part is stable, characteristic difference is small.
In addition, lens driver of the invention is characterized in that, the lens holding member has bearing described parallel
The outside in the coil supports portion is arranged in the boundary portion of the coil supports portion in portion, the parallel portion and first rake.
As a result, due to supporting the parallel portion of the extension parallel with magnet in the coil supports portion of lens holding member,
Therefore it can reliably keep magnet parallel with parallel portion.Also, the angle of extension is changed, parallel portion and first
The outside of coil supporting part is arranged in the boundary portion of rake, therefore coil supports portion does not cause shadow to the angle formation of extension
It rings, therefore is capable of forming the extension of desired shape.Thereby, it is possible to provide the interval distance of coil and magnet and inner wall part
From the smaller lens driver of more stable, characteristic difference.
In addition, lens driver of the invention is characterized in that, the first angle is 0.5 ° or more and 5 ° or less.
It, can be by magnet, extension and inner wall part with desired as a result, since first angle is small angle
State configuration.Thereby, it is possible to provide, the spacing distance of coil and magnet and inner wall part is more stable, characteristic difference is smaller
Mirror drive.
In addition, lens driver of the invention is characterized in that, the outside wall portions have with first flat part just
Hand over and the second flat part of a pair opposite each other, by the end of extension linking part connected to each other with it is described second flat
Direct opposed mode is arranged on the coil respectively in plate portion, and the linking part has: positioned at the center portion of the linking part
And the connection central portion parallel with second flat part；And positioned at the connection central portion two sides and with towards described in
Extension and with second plate part from mode there is the second rake of second angle, the second angle is set to
It is bigger than the first angle.
Even if coiled electrical conductor, extension are also not easy to heave outward in a manner of making coil become rectangle as a result, so as to
It enough reduces the influence to extension and coil is formed as into rectangle.Thereby, it is possible to provide between coil and magnet and inner wall part
Gauge is from the smaller lens driver of more stable, characteristic difference.
In addition, lens driver of the invention is characterized in that, it is described that there is the biasing member side to be fixed on
The upside leaf spring on the top of lens holding member, the upside leaf spring have fixed at the lens holding member first
Point, the other side setting second part and the elastic arm between the first part and the second part, institute
Second part is stated to be clamped and fixed between the upper surface part of the magnet and the upper plate portion of the magnetic yoke.
The root that thereby, it is possible to not occur loosely to fix elastic arm, can be using upside leaf spring suitably in optical axis
It exerts a force on direction to lens holding member.The stable posture of lens holding member as a result,.
Invention effect
Lens driver of the invention can be in flat magnet and inner wall part (the first inner wall part and the second inner wall
Portion) between form parallel magnetic field.Therefore, permanent magnet and the magnetic flux carried on the back between magnetic yoke can will not be made to let out as conventional example
Leakage, and the magnetic field that magnetic flux is enclosed in the inside is made, therefore the extension of coil can reliably receive magnetic flux.As a result, can
It is enough to improve thrust caused by the magnetic circuit made as magnetic yoke, coil and magnet.
Detailed description of the invention
Fig. 1 is the exploded perspective view for illustrating the lens driver of first embodiment of the invention.
Fig. 2 is the figure for illustrating the lens driver of first embodiment of the invention, and Fig. 2 (a) is perspective view, Fig. 2 (b)
Side view from being the side X1 shown in Fig. 2 (a).
Fig. 3 is the figure for illustrating the lens driver of first embodiment of the invention, and Fig. 3 (a) is from shown in Fig. 2 (a)
The observation of the side Z1 top view, Fig. 3 (b) be the side Z2 shown in Fig. 2 (a) from bottom view.
Fig. 4 is the figure for illustrating the lens driver of first embodiment of the invention, and Fig. 4 (a) is shown in Fig. 3 (a)
The cross-sectional view of III-III line, Fig. 4 (b) are the cross-sectional views of IV-IV line shown in Fig. 3 (a).
Fig. 5 is the figure for illustrating the magnetic yoke of lens driver involved in first embodiment of the invention, and Fig. 5 (a) is
The top perspective view of magnetic yoke from the side Z1 shown in FIG. 1, Fig. 5 (b) are the lower sections of the magnetic yoke from the side Z2 shown in FIG. 1
Perspective view.
Fig. 6 is the magnetic yoke for illustrating lens driver involved in first embodiment of the invention, coil and magnet
Figure, and be by a part, basal component and the end of lens holding member, biasing member in bottom view shown in Fig. 3 (b)
Bottom view after son omission.
Fig. 7 is the figure for illustrating the lens holding member of lens driver involved in first embodiment of the invention,
Fig. 7 (a) is the top perspective view of the lens holding member from the side Z1 shown in FIG. 1, and Fig. 7 (b) is to show to keep in lens
The top perspective view of the state of coil is wound on component.
Fig. 8 is the figure for illustrating the lens holding member of lens driver involved in first embodiment of the invention,
Fig. 8 (a) is by the perspective view after the magnetic yoke and insulating element omission in perspective view shown in Fig. 2 (a), and Fig. 8 (b) is by Fig. 8
(a) top view after a part omission of the biasing member in perspective view shown in.
Fig. 9 is the figure for illustrating the coil of lens driver involved in first embodiment of the invention, and is Fig. 6 institute
The amplification inclinating view of the portion P shown.
Figure 10 is the figure for illustrating the biasing member of lens driver involved in first embodiment of the invention, Figure 10
(a) be the upside leaf spring shown in FIG. 1 from the side Z1 top view, Figure 10 (b) is the downside leaf spring shown in FIG. 1 from the side Z1
Top view.
Figure 11 is the figure for illustrating the biasing member of lens driver involved in first embodiment of the invention, and is
The perspective view that downside leaf spring is placed in the state of basal component is shown.
Figure 12 is the strabismus transverse sectional view of the lens driver of conventional example.
Description of symbols:
1 magnetic yoke
11 outside wall portions
The first flat part of 11a
The second flat part of 11b
31 upper plate portions
51 inner wall parts
The first inner wall part of 51A
The second inner wall part of 51B
2 lens holding members
12j coil supports portion
3 coils
13 extensions
13p parallel portion
The first rake of 13s
33 linking parts
33c links central portion
The second rake of 33s
5 magnet
5u upper surface part
6 biasing members
16 upside leaf springs
16a first part
16b second part
16g elastic arm
101 lens drivers
AG1 first angle
AG2 second angle
BD boundary portion
JD optical axis direction
LD extending direction
Specific embodiment
Hereinafter, the embodiments of the present invention will be described with reference to the drawings.
[first embodiment]
Fig. 1 is the exploded perspective view for illustrating the lens driver 101 of first embodiment of the invention.Fig. 2 (a) is
The perspective view of mirror drive 101, Fig. 2 (b) be the side X1 shown in Fig. 2 (a) from lens driver 101 side view
Figure.Fig. 3 (a) be the side Z1 shown in Fig. 2 (a) from lens driver 101 top view, Fig. 3 (b) is from Fig. 2 (a) institute
The bottom view of the lens driver 101 for the side the Z2 observation shown.Fig. 4 (a) is the lens driving of III-III line shown in Fig. 3 (a)
The cross-sectional view of device 101, Fig. 4 (b) are the cross-sectional views of the lens driver 101 of IV-IV line shown in Fig. 3 (a).
Fig. 2 and cuboid as shown in Figure 3 is presented in the lens driver 101 of first embodiment of the invention
The appearance of shape is configured to have as shown in Fig. 1 and Fig. 4: the magnetic yoke 1 of the outside wall portions 11 with tubular；It is able to maintain lenticular body
The lens holding member 2 of the tubular of (not shown)；The coil 3 being wound in around lens holding member 2；The magnetic of a pair of plates shape
Iron 5；And the biasing member by the bearing of lens holding member 2 for that can be moved in optical axis direction JD (Z-direction shown in FIG. 1)
6.It should be noted that in the first embodiment of the present invention, the biasing member 6 of supporting lens holding member 2 includes: side
(inboard portion) is fixed on the upside leaf spring 16 on the top of lens holding member 2；And side (inboard portion) is fixed on
The downside leaf spring 26A and downside leaf spring 26B of the lower part of lens holding member 2.In addition, in first embodiment of the invention
In lens driver 101, as shown in figure 4, having top (Fig. 4 institute in biasing member 6 (specifically upside leaf spring 16)
The direction Z1 shown) be arranged insulating element 4；Arranging and and magnetic yoke in the lower section (direction Z2 shown in Fig. 4) of lens holding member 2
The basal component 8 of 1 engaging；And the terminal 9 for being electrically connected with external equipment.
In addition, lenticular body (not shown) is held in lens holding member 2 by the lens driver 101, and it is installed on group
On substrate (not shown) equipped with photographing element.Moreover, lens driver 101 is by the power supply of origin self-reference substrate to coil 3
The electromagnetic force for being powered and generating, in order to the lens that keep lenticular body relative to photographing element in optical axis direction JD (shown in Fig. 2
Z-direction) on drive and adjust focal length, move lens holding member 2 along optical axis direction JD.In other words, lens drive
The lens that device 101 can be such that lenticular body is kept are directed away from the direction movement of photographing element and carry out microshot, make
The lens that mirror body is kept carry out infinity shooting towards close to the movement of the direction of photographing element.
Next, each component parts is described in detail.Firstly, the magnetic yoke 1 to lens driver 101 is said
It is bright.Fig. 5 (a) is the top perspective view of the magnetic yoke 1 from the side Z1 shown in FIG. 1, and Fig. 5 (b) is from the side Z2 shown in FIG. 1
Magnetic yoke 1 lower perspective figure.Fig. 6 is the figure for illustrating magnetic yoke 1, coil 3 and magnet 5, and is by bottom view shown in Fig. 3 (b)
In lens holding member 2, a part (specifically downside leaf spring 26A and downside leaf spring 26B) of biasing member 6, base
Bottom view after bottom component 8 and the omission of terminal 9.
The magnetic yoke 1 of lens driver 101 carry out bending process, drawing process etc. using the metal plate of the soft magnetic bodies such as iron and
Forming, as shown in figure 5, being formed as rectangle and box-like.In addition, magnetic yoke 1 is configured to include the outside wall portions 11 of rectangle and tubular；With
The flat upper plate portion 31 that the upper end (side Z1 shown in fig. 5) of outside wall portions 11 is continuously arranged；And from the shape in upper plate portion 31
At opening portion 1k a part downwards (direction Z2 shown in fig. 5) extend configuration and be located at outside wall portions 11 inside it is multiple
(two) inner wall part 51.Then, as shown in figure 4, magnetic yoke 1 is to cover lens holding member 2, coil 3, insulating element 4, magnet 5
And the mode of biasing member 6 (upside leaf spring 16, downside leaf spring 26A and downside leaf spring 26B) accommodates above-mentioned component, such as Fig. 2
Shown, which engages with basal component 8 and is formed as one with basal component 8.
In addition, as shown in fig. 6, the outside wall portions 11 of magnetic yoke 1 include a pair first plate mutually opposed in 51 side of inner wall part
Portion 11a；And a pair second flat part 11b orthogonal and mutually opposed with the first flat part 11a.In addition, as shown in figure 5,
The upper plate portion 31 of one side flat part 11a has links the first flat part 11a (outside wall portions 11) and inner wall part 51 spaced apartly
Function.
In addition, as shown in fig. 6, the inner wall part 51 of magnetic yoke 1 includes so that the state parallel with the first flat part 11a be opposed and shape
At the first inner wall part 51A and the second inner wall part 51B in the position being separated from each other.Moreover, in (the first inner wall part of inner wall part 51
51A and the second inner wall part 51B) and outside wall portions 11 (the first flat part 11a) between be equipped with coil 3 and magnet 5.Change speech
It, inner wall part 51 (the first inner wall part 51A and the second inner wall part 51B) is across coil 3 (aftermentioned extension 13) and magnet 5
Parallel state difference is opposed.
Next, the lens holding member 2 to lens driver 101 is illustrated.Fig. 7 is to illustrate lens holding member
2 figure, Fig. 7 (a) are the top perspective views of the lens holding member 2 from the side Z1 shown in FIG. 1, and Fig. 7 (b) is shown saturating
The top perspective view of the state of coil 3 is wound on mirror holding member 2.Fig. 8 (a) is by the magnetic in perspective view shown in Fig. 2 (a)
Perspective view after yoke 1 and the omission of insulating element 4, Fig. 8 (b) is by the biasing member 6 in perspective view shown in Fig. 8 (a)
Top view after a part of (being specifically upside leaf spring 16) omission.
The lens holding member 2 of lens driver 101 uses liquid crystal polymer (LCP, LiquidCrystal
The synthetic resin such as Polymer), as shown in Fig. 7 (a), including being formed as tubular and with the 12 (reference of canister portion of circular inner peripheral surface
Fig. 8 (b)), from the periphery of the lower end (side Z2 shown in Fig. 4) of canister portion 12 towards radial outside flange part 32 outstanding.Moreover, such as
Shown in Fig. 4, lens holding member 2 is disposed in the inside of the outside wall portions 11 of magnetic yoke 1, and is disposed in the top (figure of basal component 8
The direction Z1 shown in 1).
As shown in fig. 7, female threaded portion 12n is formed on the inner peripheral surface of the canister portion 12 of lens holding member 2, in the yin spiral shell
Installation maintains lenticular body (not shown) on line portion 12n.
As shown in Fig. 4 and Fig. 7 (a), it is equipped on the outer peripheral surface of the canister portion 12 of lens holding member 2 from inside supporting-line
The coil supports portion 12j of circle 3, as shown in Fig. 7 (a), in the position in four directions, (Fig. 7 (a) shows the direction X1 to the coil supports portion 12j
And at the two of the direction Y2) it is respectively equipped with two.Moreover, clipping coil 3 and and magnetic when assembling lens driving device 101
The side side (Y-direction side shown in Fig. 7) of the coil supports portion 12j of the opposed side of iron 5 (X-direction side shown in Fig. 7) is by saturating
The space that mirror holding member 2 and coil 3 clip is equipped with inner wall part 51 (the first inner wall part 51A and the second inner wall of magnetic yoke 1
Portion 51B) (referring to Fig. 4 (a)).
As shown in fig. 7, coil supporting part 12j one end (upper end side) be formed with it is opposed with flange part 32 and radially
Outside eaves portion 12h outstanding.In addition, as shown in fig. 7, on the outer peripheral surface of the canister portion 12 more closer to the top than eaves portion 12h, pedestal portion
12d is opposed to (Y-direction shown in Fig. 7) and is formed at two.Moreover, when assembling lens driving device 101, such as Fig. 8 (a) institute
Show, the pedestal portion 12d and upside leaf spring 16 at opposed two are fixed by adhesive.
Next, the coil 3 to lens driver 101 is illustrated.Fig. 9 is the figure for illustrating coil 3, and is Fig. 6 institute
The amplification inclinating view of the portion P shown.
The coil 3 of lens driver 101 is by being implemented with metal wire rod (conducting wire) structure that insulation covers (coating) in periphery
At as shown in Fig. 7 (b) and Fig. 8 (b), being wound in lens holding member 2 in substantially rectangular ring-type as shown in Figure 1
Around canister portion 12.Moreover, as shown in figure 4, coil 3 with by coil supports portion 12j (referring to Fig. 4 (b)) from the shape of interior side bearing
A part of coil 3 is clipped between eaves portion 12h and flange part 32 by state, to be fixed on the upper surface of flange part 32.In other words
It says, coil 3 is held in lens with the opposed part in the position between the first inner wall part 51A of same magnetic yoke 1 and the second inner wall part 51B
Holding member 2.It should be noted that surface is covered sometimes with insulating component in Fig. 1, Fig. 6, Fig. 7 (b) and Fig. 8, therefore
The detailed reeling condition for omitting conducting wire is indicated.Though forming the two of the metal wire rod of coil 3 in addition, details are not shown
End can conduct, and end turn 93 (referring to Fig.1) is respectively electrically connected with two downside leaf springs (26A, 26B).
In addition, as shown in fig. 6, the cricoid coil 3 for being formed as rectangle be configured to include it is opposed with magnet 5 and along magnetic
A pair of of extension 13 that the extending direction LD (Y-direction shown in fig. 6) of iron 5 extends；And the end of extension 13 is connected each other
A pair of of linking part 33 of knot.It should be noted that longer extension in aftermentioned magnet 5 Y-direction shown in Fig. 6, therefore extend
Portion 13 extends along the longitudinal direction of magnet 5.
Firstly, as shown in fig. 6, the extension 13 of coil 3 has: positioned at the parallel portion 13p of the center portion of extension 13；
And the two sides positioned at parallel portion 13p and the first rake 13s for being formed with small first angle AG1 (referring to Fig. 9).
Moreover, the first inner wall part of magnetic yoke 1 is arranged in the changed boundary portion BD of the angle of parallel portion 13p and the first rake 13s
(referring to Fig. 9) near the end of side 51A opposed with the second inner wall part 51B, and the outside of coil supporting part 12j is set
(referring to Fig. 7 (b)).
The parallel portion 13p of extension 13 is parallel with opposed magnet 5 and the first flat part 11a, and is kept by lens
The coil supports portion 12j of component 2 is supported.Thereby, it is possible to reliably keeping parallelism portion 13p is parallel with magnet 5.Also, extend
The angle in portion 13 is changed, the boundary portion BD of parallel portion 13p and the first rake 13s are arranged in coil supporting part 12j's
Outside, therefore coil supports portion 12j will not form the angle of extension 13 and impact, therefore be capable of forming desired shape
The extension 13 of shape (angle).
First rake 13s of extension 13 is formed to have small first angle AG1, so as to as described above with
It is separated with magnet 5 towards the end of extension 13 (referring to Fig. 9).The small first angle AG1 is real of the invention first
It applies in mode as 1 °, from the equipping position of extension 13 and inner wall part 51, preferably 0.5 ° or more and 5 ° or less.Passing through will
The small first angle AG1 is set to extension 13, is able to suppress in a manner of making coil 3 become rectangle to be not provided with angle
The part of coiled electrical conductor Shi Chang size, which generates, heaves such undesirable condition.As a result, be not provided with small angle and heave
And the case where can not becoming straight line, is compared, and the part of extension 13 can be made to be formed as that extension 13 can be made closer to straight line
Become substantially parallel state in the range of the whole region of extension 13 with magnet 5 and extension 13 and inner wall part 51.It needs
It is noted that as noted previously, as first angle AG1 is 0.5 °~5 ° of minute angle, it may be said that be in extension 13
It is in substantially parallel state in the range of whole region.
Next, as shown in fig. 6, the linking part 33 of coil 3 is configured to have: positioned at the company of the center portion of linking part 33
Tie central portion 33c；The second rake 33s positioned at the two sides of connection central portion 33c；And by the second rake 33s and extend
The corner part 33r of the end connection in portion 13.Moreover, two linking parts 33 are set as direct with the second flat part 11b of magnetic yoke 1 difference
It is opposed.
The connection central portion 33c of linking part 33 is parallel with the second opposed flat part 11b, and by lens holding member 2
Bearing.In addition, the parallel portion 13p connection central portion 33c parallel with the second flat part 11b parallel with the first flat part 11a
It is orthogonal.In addition, drawing end turn 93 from connection central portion 33c.
Second rake 33s of linking part 33 is formed to have second angle AG2, so as to towards 13 side of extension and
It is separated with the second flat part 11b (referring to Fig. 9).Second angle AG2 is set to the first angle AG1 than the first rake 13s
Greatly.By the way that second angle AG2 is set to linking part 33, even if winding slightly thick conducting wire in a manner of making coil 3 become rectangle,
Also it is able to suppress extension 13 to bloat outward, the influence to extension 13 can be reduced and coil 3 is formed as into rectangle.
In addition, in the first embodiment of the present invention, in the linking part 33 of coil 3 and the second flat part 11b of magnetic yoke 1
Between flat permanent magnet is not arranged.Therefore, the second angle AG2 of linking part 33 can be made than the first angle of extension 13
The enlargement for the outer dimension that AG1 is big and makes the differences in shape of coil 3 become smaller, and is able to suppress in lens driver 101.
It should be noted that in the first embodiment of the present invention, second angle AG2 becomes than 1 ° big of first angle AG1
13 °, it is contemplated that relationship between outer dimension and the equipping position of coil 3 and be arbitrarily decided, however it is not limited to the angle, it is excellent
It is selected as 5 ° or more and 20 ° or less.
Next, the insulating element 4 to lens driver 101 is illustrated.The insulating element of lens driver 101
4 using synthetic resin such as polybutylene terephthalate (PBT) (PBT, polybutyleneterephtalate), as shown in Figure 1,
To have the shape of the frame shape of the opening portion 4k of rectangle to be formed in center.Moreover, insulating element 4 is disposed in upside as shown in Figure 4
The top of leaf spring 16 (biasing member 6), as shown in Fig. 4 (a), the leaf spring 16 on the upside of clamping between magnet 5.
Next, the magnet 5 to lens driver 101 is illustrated.The magnet 5 of lens driver 101 for example makes
With samarium cobalt magnet, there is rectangle as shown in Figure 1 and flat shape, it is right in the outside of coil 3 as shown in Fig. 8 (a)
There are two being arranged with setting.In addition, as shown in fig. 6, magnet 5 is in a manner of the first flat part 11a along the outside wall portions 11 of magnetic yoke 1
The inner surface of the first flat part 11a is individually fixed in using adhesive etc..At this point, so that plate thickness direction (X-direction shown in fig. 6)
Face abutted with the inner surface of the first flat part 11a, the extending direction LD of magnet 5 is configured along the mode of the first flat part 11a
Magnet 5.(run through paper in Fig. 6 with optical axis direction JD as a result, also becoming as the extending direction LD of the longitudinal direction of magnet 5
The direction in face) orthogonal direction.It should be noted that the direction of magnetization of magnet 5 is plate thickness direction, so that two magnet 5 are opposed
Face become identical magnetic pole mode configure two magnet 5.
In addition, as shown in fig. 6, size (length dimension of magnet 5) formation of the magnet 5 on the extending direction LD of magnet 5
The length dimension (size in the direction of the current flowing of coil 3) for obtaining the extension 13 than coil 3 is big.Meanwhile magnet 5 is in magnet
The extending direction LD that size on 5 extending direction LD forms than being equipped with the first inner wall part 51A and the second inner wall part 51B
Region the size (company of another party of the end and the second inner wall part 51B of 33 side of linking part of a side of the first inner wall part 51A
Size between the end of 33 side of knot) it is big.
As described above, due to being equipped with outside wall portions 11 (the first flat part 11a), the magnet 5, coil 3 of magnetic yoke 1
The inner wall part 51 (the first inner wall part 51A and the second inner wall part 51B) and upper plate portion 31 of (extension 13), magnetic yoke 1, thus shape
The magnetic of magnet 5 is returned again to by outside wall portions 11, upper plate portion 31 and inner wall part 51 at the magnetic flux generated by magnet 5
?.Thereby, it is possible to be formed between flat magnet 5 and inner wall part 51 (the first inner wall part 51A and the second inner wall part 51B)
Parallel magnetic field, so that permanent magnet 918 will not be made as conventional example and carry on the back the magnetic flux bleed-through between magnetic yoke 926.Therefore, energy
Magnetic flux is enclosed in the magnetic field of the inside by enough production, therefore the extension 13 of coil 3 can reliably receive magnetic flux.As a result, can
It is enough to improve thrust caused by the magnetic circuit made as magnetic yoke 1, coil 3 and magnet 5.
Further, since the central portion of the extension 13 between the first inner wall part 51A and the second inner wall part 51B is (specific
For be parallel portion 13p) kept by lens holding member 2, therefore can appropriate location between inner wall part 51 and magnet 5 it is flat
The extension 13 of weighing apparatus ground configuration coil 3 (is in the first embodiment of the present invention the first rake 13s).Therefore, thrust is special
The difference of property etc. becomes smaller.
In addition, in the first embodiment of the present invention, the size on the extending direction LD of magnet 5 is longer than extension 13
Degree size is big, and the size in the region than being arranged for the first inner wall part 51A and the second inner wall part 51B is big, therefore being capable of benefit
The magnetic flux generated by flat magnet 5 is reliably received with inner wall part 51 (the first inner wall part 51A and the second inner wall part 51B)
Amount.Therefore, the extension of the coil 3 between magnet 5 and inner wall part 51 (the first inner wall part 51A and the second inner wall part 51B)
Portion 13 reliably receives magnetic flux.Thereby, it is possible to reliably improve thrust.
Next, the biasing member 6 to lens driver 101 is illustrated.Figure 10 is the figure for illustrating biasing member 6,
Figure 10 (a) is the top view of the upside leaf spring 16 shown in FIG. 1 from the side Z1, under Figure 10 (b) is shown in FIG. 1 from the side Z1
The top view of side plate spring 26A and downside leaf spring 26B.Figure 11 is to show downside leaf spring 26A and downside leaf spring 26B to be placed in base
The perspective view of the state of bottom component 8.
The biasing member 6 of lens driver 101 with the metal plate that copper alloy is main material by being made, such as Fig. 3 (a) institute
Show, with the diameter opening bigger than the inner peripheral surface of the canister portion 12 of lens holding member 2, as shown in figure 4, including being configured at lens guarantor
Two for holding the upside leaf spring 16 between component 2 and insulating element 4 and being configured between lens holding member 2 and basal component 8
A downside leaf spring 26A and downside leaf spring 26B.Moreover, being fixed with each 6 (epipleural of biasing member on lens holding member 2
Spring 16, downside leaf spring 26A, downside leaf spring 26B) so that lens holding member 2 can be towards (the side Z shown in Fig. 4 optical axis direction JD
To) mobile mode supporting lens holding member 2 in the sky.It should be noted that downside leaf spring 26A and downside leaf spring 26B
(two leaf springs) is electrically connected with coil 3, therefore can also act as the power supply component powered to coil 3.
Firstly, the upside leaf spring 16 of biasing member 6 such as shown in Figure 10 (a) in the form of a substantially rectangular, and be configured to include to installing
Set and fixed two on lens holding member 2 at first part 16a；It is opposite disposed and clamped by insulating element 4 and magnet 5
Second part 16b at fixed two；Positioned at the first part 16a of side (inside) and the second part in the other side (outside)
Elastic arm 16g everywhere between 16b；And the portion of the ride 16r that the second part 16b at two is connected to each other.
Moreover, when upside leaf spring 16 is assembled in lens driver 101, as shown in Fig. 8 (a), first part 16a mounting
In the pedestal portion 12d of lens holding member 2, first part 16a and pedestal portion 12d are fixed using adhesive, thus epipleural
The side of spring 16 is fixed in lens holding member 2.In addition, as shown in Fig. 4 (a), the upper surface of second part 16b and magnet 5
Portion 5u is abutted, and is clamped between magnet 5 and the upper plate portion 31 of magnetic yoke 1 across insulating element 4.Moreover, upside leaf spring 16
The other side be fixed in the component (magnetic yoke 1, insulating element 4, magnet 5 and basal component 8) of affixed side.
The second part 16b with elastic arm 16g connection is clamped between magnetic yoke 1 and magnet 5 as a result, therefore can
The root for loosely fixing elastic arm 16g does not occur, can suitably be pushed on optical axis direction JD using upside leaf spring 16
Lens holding member 2.Thereby, it is possible to make the stable posture of lens holding member 2, and improve the performance of lens driver 101.
In addition, upside leaf spring 16 is shaped generally as symmetrical shape, as shown in Figure 10 (a) with the two of first part 16a
The lens holding member 2 of the component as drawer at movable side is fixed in the impartial position at place, and with equal at the two of second part 16b
The component of affixed side is fixed in equal positions.As a result, upside leaf spring 16 can evenly supporting lens holding member 2 in the sky, from
And it can reliably make the stable posture of lens holding member 2.
Next, downside leaf spring (26A, 26B) the respective inner shape of biasing member 6 is in semicircle as shown in Figure 10 (b)
Shape, and be configured to include the Part III 26c everywhere engaged with lens holding member 2；Four engaged with basal component 8
The Part IV 26d (referring to Fig.1 1) at place；Elastic arm everywhere between Part III 26c and Part IV 26d
26g；Two the first linking part 26p that Part III 26c at two is linked；And link the Part IV 26d at two
Two the second linking part 26q.
Moreover, being kept when leaf spring (26A, 26B) is assembled in lens driver 101 on the downside of this in lens (not shown)
Four protrusions insertion of the lower section setting of the flange part 32 of component 2 is embedded in the downside leaf spring (26A, 26B) shown in Figure 10 (b)
Part III 26c on the through hole 26k that is arranged.Side (inside) quilt of downside leaf spring 26A and downside leaf spring 26B as a result,
It is positioned at lens holding member 2, and is fixed in lens holding member 2.It should be noted that at this point, keeping structure to lens
Hot riveting is implemented in the protrusion of part 2, protects so as to which downside leaf spring 26A and downside leaf spring 26B are more reliably fixed on lens
Hold component 2.
On the other hand, as shown in figure 11, six be arranged on the Part IV 26d in downside leaf spring (26A, 26B) are passed through
Through-hole 26m (referring to Fig.1 0 (b)) insertion be entrenched at the upper surface of aftermentioned basal component 8 be arranged be provided projectingly portion 8t.By
This, the other side (outside) of downside leaf spring 26A and downside leaf spring 26B are located in basal component 8, and are fixed in substrate
Component 8.
In addition, downside leaf spring 26A and downside leaf spring 26B are configured to substantially symmetrical shape as shown in Figure 10 (b), with
Lens holding member 2 is fixed in the impartial position everywhere of Part III 26c, and with the equalization everywhere of Part IV 26d
Basal component 8 is fixed in position.As a result, downside leaf spring (26A, 26B) can evenly supporting lens holding member 2 in the sky,
The stable posture of lens holding member 2 can reliably be made.Therefore, the 6 (epipleural of biasing member constituted as above is utilized
Spring 16, downside leaf spring 26A and downside leaf spring 26B), the bearing of lens holding member 2 can be stablized towards optical axis direction JD
Ground is mobile.
Finally, the basal component 8 and terminal 9 to lens driver 101 are illustrated.Firstly, lens driver
101 basal component 8 is made using synthetic resin such as liquid crystal polymer (LCP) by injection molded, as shown in figure 11, by
Shape is that the plate-like shape of rectangle is constituted, and is formed with round and concave opening portion 8k and rectangle in center and by through hole structure
At opening portion 8m.In addition, the four corners in the upper surface of basal component 8 are provided projectingly portion equipped with 6 outstanding upward
8t.Moreover, as described above, the portion 8t of being provided projectingly is inserted in the through hole of the Part IV 26d setting of downside leaf spring (26A, 26B)
26m (referring to Fig.1 0 (b)), be provided projectingly portion 8t carried out with through hole 26m it is chimeric.It should be noted that at this time to basal component 8
Be provided projectingly portion 8t implement hot riveting, so that downside leaf spring 26A and downside leaf spring 26B are more reliably fixed on substrate structure
Part 8.
In addition, as shown in figure 4, by using copper, iron or with the metal plate structure of the materials such as copper, iron alloy as main component
At connecting elements 57 by be inserted into forming be embedded to basal component 8, as shown in figure 3, a part of the connecting elements 57 is in magnetic
Expose a part in the quadrangle of yoke 1.Moreover, the circumferential lateral surface combination of inner surface and basal component 8 in the outside wall portions 11 for making magnetic yoke 1
And after positioning, the seam portion of the quadrangle of the connecting elements 57 and magnetic yoke 1 that are set to basal component 8 is welded everywhere
It connects, so that magnetic yoke 1 is fixed on basal component 8.
Next, the terminal 9 of lens driver 101 passes through to copper, iron or with copper, iron alloy as main component etc.
The metal plate of material carries out stretch process, bending machining etc. and makes, and identically as connecting elements 57, carry out insertion forming and buries
Enter basal component 8 (referring to Fig. 4).Moreover, two terminals 9 (terminal 9A and terminal 9B) of electrical isolation are not schemed with being equipped with respectively
The substrate of the photographing element shown is electrically connected, so as to power from two terminals 9.
In addition, the terminal 9A of a side of terminal 9 is electrically connected with downside leaf spring 26A, and the terminal 9B of another party of terminal 9
Be electrically connected with downside leaf spring 26B, can from terminal 9A and terminal 9B via downside leaf spring 26A and downside leaf spring 26B and
To 3 circulating current of coil.
Hereinafter, to the effect in the lens driver 101 of the first embodiment of the invention constituted as described above
It summarizes explanation.
The lens driver 101 of first embodiment of the invention is configured to, and is wound in around lens holding member 2
Cricoid coil 3 have it is opposed with magnet 5 and along the extension 13 that the direction orthogonal with optical axis direction JD extends, magnetic yoke 1
Inner wall part 51 at the isolated position on the extending direction LD of extension 13 have with parallel with magnet 5 across extension 13
State distinguish opposed the first inner wall part 51A and the second inner wall part 51B, the extension 13 of coil 3 is to correspond in first
Part between wall portion 51A and the second inner wall part 51B is kept by lens holding member 2.It therefore, can be in flat magnet 5
Parallel magnetic field is formed between inner wall part 51 (the first inner wall part 51A and the second inner wall part 51B).It therefore, will not be as existing
Example makes permanent magnet 918 like that and carries on the back the magnetic flux bleed-through between magnetic yoke 926, can make the magnetic field that magnetic flux is enclosed in the inside,
Therefore the extension 13 of coil 3 can reliably receive magnetic flux.Thereby, it is possible to improve to be made by magnetic yoke 1, coil 3 and magnet 5
Thrust caused by the magnetic circuit of work.
In addition, the size on the extending direction LD of magnet 5 is bigger than the length dimension of extension 13, and than supplying the first inner wall
The size in the region that portion 51A and the second inner wall part 51B are arranged is big, thus can using inner wall part 51 (the first inner wall part 51A with
And the second inner wall part 51B) reliably receive the magnetic flux generated by flat magnet 5.Therefore, it is located at magnet 5 and inner wall part
The extension 13 of coil 3 between 51 (the first inner wall part 51A and the second inner wall part 51B) can reliably receive magnetic flux.
Thereby, it is possible to reliably improve thrust.
In addition, generating and heaving in the part of long size when the coiled electrical conductor in a manner of making coil 3 become rectangle, but is long
The extension 13 of the part of size has as the parallel portion 13p from center portion divides towards the end of two sides with magnet 5
From mode there is the first rake 13s of small first angle AG1, therefore be able to suppress this and heave.Therefore, be not provided with
Small angle and heave and be compared the case where straight line can not be become, the part of extension 13 can be made to be formed as closer to straight
Line, can make extension 13 and magnet 5 and extension 13 and inner wall part 51 in the range of the whole region of extension 13 at
For substantially parallel state.Thereby, it is possible to provide the spacing distance of coil 3 and magnet 5 and inner wall part 51 stabilization, characteristic difference
Small lens driver 101.
In addition, since the coil supports portion 12j in lens holding member 2 is supported with the extension 13 parallel with magnet 5
Parallel portion 13p, therefore can reliably keep magnet 5 parallel with parallel portion 13p's.Also, the angle of extension 13 becomes
The outside of coil supporting part 12j, therefore coil supports are arranged in the boundary portion BD of change, parallel portion 13p and the first rake 13s
Portion 12j does not impact the angle formation of extension 13, therefore is capable of forming the extension 13 of desired shape.As a result,
The spacing distance for being capable of providing coil 3 and magnet 5 and inner wall part 51 is more stable, the smaller lens driver of characteristic difference
101。
In addition, due to first angle AG1 be 0.5 ° or more and 5 ° of minute angles below, can by magnet 5, extension
Portion 13 and inner wall part 51 are with the configuration of desired state.Thereby, it is possible to provide between coil 3 and magnet 5 and inner wall part 51
Gauge is from the smaller lens driver 101 of more stable, characteristic difference.
In addition, having on the linking part 33 that the end of extension 13 is connected to each other and mutually opposed in connection center
The two sides of portion 33c form and have second angle AG2 in a manner of with separating towards extension 13 with the second flat part 11b
The second rake 33s, second angle AG2 is set bigger than first angle AG1.Even if in such a way that coil 3 becomes rectangle
Coiled electrical conductor, extension 13 are also not easy to heave outward, are formed as coil 3 so as to reduce the influence to extension 13
Rectangle.Thereby, it is possible to provide, the spacing distance of coil 3 and magnet 5 and inner wall part 51 is more stable, the smaller lens of characteristic difference
Driving device 101.
In addition, being sandwiched between magnetic yoke 1 and magnet 5 with the second part 16b of elastic arm 16g connection, therefore can not
Occur loosely fix elastic arm 16g root, so as to utilize upside leaf spring 16 suitably on optical axis direction JD it is right
Lens holding member 2 exerts a force.The stable posture of lens holding member 2 as a result, can be improved lens driver 101
Performance.
It should be noted that present invention is not limited to the embodiments described above, such as deformation can be proceeded as follows simultaneously
It is implemented, these embodiments are also included in the technical scope of the present invention.
1 > < variation of < variation, 2 >
In the above-described first embodiment, although being respectively arranged with two in the position in four directions using by coil supports portion 12j
A structure, but it is not limited to this.For example, it can be being respectively arranged with one structure (variation 1) in the position in four directions,
For example, it can be the structures (variation 2) being only arranged at the two of the side opposed with extension 13.
3 > of < variation
In the above-described first embodiment, it is preferred to use the structure of the second rake 33s is set on linking part 33, but simultaneously
It is without being limited thereto, it can also be made of connection central portion 33c and corner part 33r.
4 > of < variation
In the above-described first embodiment, although using using insulating element 4 and by the second part of upside leaf spring 16
16b in a manner of by the upper surface part 5u of insulating element 4 and magnet 5 clamping the structure that is securely fixed but it is also possible to be not making
With the structure of insulating element 4.At this point, second part 16b becomes the upper surface part 5u's and magnetic yoke 1 for being clamped directly at magnet 5
The structure being fixed between upper plate portion 31.
Present invention is not limited to the embodiments described above, can carry out suitably in the range of not departing from the purpose of the present invention
Change.
Claims (8)
1. a kind of lens driver, has:
The magnetic yoke of rectangle, outside wall portions, upper plate portion with tubular, the outside wall portions have in the direction orthogonal with optical axis direction
Upper the first flat part of a pair opposite each other, the upper plate portion are set to one end of the outside wall portions and are formed with opening portion；
The lens holding member of tubular is disposed in the inside of the outside wall portions of the magnetic yoke and is able to maintain lenticular body；
Cricoid coil is wound in around the lens holding member；
The magnet of a pair of plates shape, they are individually fixed in the inner surface of first flat part, along first flat part
And it is upwardly extended in the side orthogonal with optical axis direction；And
Biasing member, by lens holding member bearing for that can move in the direction of the optical axis,
The lens driver is characterized in that,
The extension that there is the coil extending direction opposed and along the magnet with the magnet to extend,
The extension has: center portion and the parallel portion parallel with the magnet positioned at the extension；And prolong at this
On the extending direction of extending portion positioned at the two sides of the parallel portion and with towards the end of the extension and with the magnet point
From mode there are 0.5 ° or more and 5 ° of first angles below and the first rake for being formed,
Size on the extending direction of the magnet is bigger than the length dimension of the extension comprising first rake.
2. lens driver according to claim 1, which is characterized in that
The outside wall portions have a pair second flat part orthogonal and opposite each other with first flat part,
The linking part that the end of the extension is connected to each other is provided on the coil,
The linking part has: center portion and the connection central portion parallel with second flat part positioned at the linking part；
And positioned at the two sides of the linking part end and with towards the extension side and with second plate part from
The second rake that mode is formed.
3. lens driver according to claim 2, which is characterized in that
The connection central portion is set to bigger than the first angle with second angle formed by second rake.
4. lens driver according to any one of claim 1 to 3, which is characterized in that
The lens holding member has the coil supports portion for supporting the parallel portion,
Be provided on outside eaves portion outstanding from coil supporting part to the lens holding member and in the direction of the optical axis with
The opposed flange part of the eaves portion, the parallel portion are supported between the eaves portion and the flange part.
5. lens driver according to claim 4, which is characterized in that
The outside in the coil supports portion is arranged in the boundary portion of the parallel portion and first rake.
6. lens driver according to claim 1, which is characterized in that
The outside wall portions have a pair second flat part orthogonal and opposite each other with first flat part,
The end of the magnet is in compared with the end of the extension comprising first rake close to described second
The position of flat part.
7. lens driver according to any one of claim 1 to 6, which is characterized in that
The extension comprising first rake in the range of whole region on the extending direction of the extension with
The magnet is opposed.
8. lens driver according to any one of claim 1 to 7, which is characterized in that
The biasing member is fixed on the upside leaf spring on the top of the lens holding member with side,
The upside leaf spring have fixed first part at the lens holding member, other side setting second part,
And the elastic arm between the first part and the second part,
The second part is clamped and fixed between the upper surface part of the magnet and the upper plate portion of the magnetic yoke.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015065882A JP6302426B2 (en) | 2015-03-27 | 2015-03-27 | Lens drive device |
| JP2015-065882 | 2015-03-27 | ||
| CN201610165896.8A CN106019524B (en) | 2015-03-27 | 2016-03-22 | Lens driver |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610165896.8A Division CN106019524B (en) | 2015-03-27 | 2016-03-22 | Lens driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109917529A true CN109917529A (en) | 2019-06-21 |
Family
ID=57082886
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910172332.0A Pending CN109917529A (en) | 2015-03-27 | 2016-03-22 | Lens driver |
| CN201610165896.8A Active CN106019524B (en) | 2015-03-27 | 2016-03-22 | Lens driver |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610165896.8A Active CN106019524B (en) | 2015-03-27 | 2016-03-22 | Lens driver |
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| Country | Link |
|---|---|
| JP (1) | JP6302426B2 (en) |
| CN (2) | CN109917529A (en) |
Families Citing this family (1)
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|---|---|---|---|---|
| TWI650582B (en) * | 2017-03-30 | 2019-02-11 | 台灣東電化股份有限公司 | Lens drive module |
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| CN102289049A (en) * | 2010-06-16 | 2011-12-21 | 三美电机株式会社 | Lens driving device |
| CN103792758A (en) * | 2012-10-26 | 2014-05-14 | 阿尔卑斯电气株式会社 | Lens driving device |
| US20140355142A1 (en) * | 2013-06-04 | 2014-12-04 | Silitech Technology Corp. | Voice coil motor |
| CN104204934A (en) * | 2012-02-14 | 2014-12-10 | 三美电机株式会社 | Lens driving device and camera |
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| JP2005352233A (en) * | 2004-06-11 | 2005-12-22 | Shicoh Eng Co Ltd | Lens driving device |
| JP2008197313A (en) * | 2007-02-13 | 2008-08-28 | Alps Electric Co Ltd | Lens driving device |
| JP5448723B2 (en) * | 2009-10-29 | 2014-03-19 | キヤノン株式会社 | Lens drive device |
| JPWO2011105470A1 (en) * | 2010-02-26 | 2013-06-20 | 三洋電機株式会社 | Lens driving device and camera module |
| JP5904392B2 (en) * | 2010-05-24 | 2016-04-13 | 新シコー科技株式会社 | Lens driving device, autofocus camera, and mobile terminal device with camera |
| JP5327478B2 (en) * | 2010-10-18 | 2013-10-30 | ミツミ電機株式会社 | Lens drive device |
| JP3177105U (en) * | 2012-05-09 | 2012-07-19 | アルプス電気株式会社 | Lens drive device |
| JP3182689U (en) * | 2013-01-25 | 2013-04-04 | アルプス電気株式会社 | Lens drive device |
| JP3186519U (en) * | 2013-07-30 | 2013-10-10 | アルプス電気株式会社 | Lens drive device |
| CN204145245U (en) * | 2014-08-14 | 2015-02-04 | 吴炳树 | A kind of magnetic yoke structure |
-
2015
- 2015-03-27 JP JP2015065882A patent/JP6302426B2/en active Active
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2016
- 2016-03-22 CN CN201910172332.0A patent/CN109917529A/en active Pending
- 2016-03-22 CN CN201610165896.8A patent/CN106019524B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289049A (en) * | 2010-06-16 | 2011-12-21 | 三美电机株式会社 | Lens driving device |
| CN104204934A (en) * | 2012-02-14 | 2014-12-10 | 三美电机株式会社 | Lens driving device and camera |
| CN103792758A (en) * | 2012-10-26 | 2014-05-14 | 阿尔卑斯电气株式会社 | Lens driving device |
| JP5861656B2 (en) * | 2013-03-29 | 2016-02-16 | Tdk株式会社 | Lens drive device |
| CN204178031U (en) * | 2013-05-21 | 2015-02-25 | 阿尔卑斯电气株式会社 | Lens driver |
| US20140355142A1 (en) * | 2013-06-04 | 2014-12-04 | Silitech Technology Corp. | Voice coil motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106019524A (en) | 2016-10-12 |
| JP2016186522A (en) | 2016-10-27 |
| JP6302426B2 (en) | 2018-03-28 |
| CN106019524B (en) | 2019-04-02 |
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