CN101533146A - Lens driving apparatus and camera module - Google Patents
Lens driving apparatus and camera module Download PDFInfo
- Publication number
- CN101533146A CN101533146A CN200910004527A CN200910004527A CN101533146A CN 101533146 A CN101533146 A CN 101533146A CN 200910004527 A CN200910004527 A CN 200910004527A CN 200910004527 A CN200910004527 A CN 200910004527A CN 101533146 A CN101533146 A CN 101533146A
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- lens
- leaf spring
- retainer
- pair
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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
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
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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
- G02B7/022—Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
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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
- G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
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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
- G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
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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
- G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
Abstract
The invention provides a lens driving apparatus with less elements capable of connecting the lens driving terminals to the substrate stably for implementing communication, and camera module. A base (12) is attached with the yoke (20) and sandwiches the outer peripheral end (244) of the lower plate spring (24) between the yoke (20)and the base (12). A sheet-shaped electrode (32) is disposed between the lower plate spring (24) and the base (12) and operable to supply a power to the driving coil (16). The sheet-shaped electrode (32) has an electrode portion (322) which is electrically connected to a pair of drawn wires (162) of the driving coil (16); and an extension portion (324) which extends downward from the electrode portion and has a pair of lens driving terminals (324a) formed at a front end thereof. The base (12) is provided with a guide (122) which protrudes downward and has a through-hole (122a) through which the extension portion is inserted. The pair of lens driving terminals (324a) is exposed from a lower end of the guide (122).
Description
Technical field
The present invention relates to lens driver and camera model, relate in particular to the automatic focusing that is used on the portable small-sized camera with lens driver and camera model.
Background technology
On the pocket telephone of subsidiary camera, be equipped with portable small-sized camera.On this portable small-sized camera, use the automatic focusing lens driver.All the time, propose to have all automatic focusing lens drivers.
For example, in patent documentation 1 (TOHKEMY 2006-258969 communique) a kind of pocket telephone that has shortened the subsidiary camera of required time on automatic focusing is disclosed.The pocket telephone (lens driver) of this patent documentation 1 disclosed subsidiary camera possesses: an end has the retainer (lens retainer) of the cylindrical portion that lens (lens subassembly, cylinder) are installed; Be fixed on drive coil on this retainer (lens retainer) in the mode around the cylindrical portion that is positioned at retainer; Yoke with permanent magnet relative with this drive coil; And the optical axis direction both sides that are arranged at the cylindrical portion of retainer (lens retainer), and a pair of leaf spring that retainer (lens retainer) can be supported with displacement at optical axis direction under the state that is positioned at radially.By to drive coil energising, utilize the magnetic field of permanent magnet and the interaction in the magnetic field that causes by the electric current that in drive coil, flows, can be to retainer (lens retainer) in the enterprising line position adjustment of optical axis direction.In a pair of leaf spring, call side plate spring (front side spring) for one, and another is downside leaf spring (rear side spring).Interior all side ends of upside leaf spring (front side spring) are clamped between the upper end (front end) of retainer and the retainer and are chimeric with retainer (lens retainer).
Disclosed executive component (lens driver) further has the optical axis outside that is arranged on the downside leaf spring in this patent documentation 1, and and the optical axis direction end face of yoke between clamping downside leaf spring the executive component base and in order to be configured in the sheet electrode between downside leaf spring and the executive component base to the drive coil supply capability.Sheet electrode has annulus that forms (electrode part) that the sheeting by polyimide constitutes and the extension that stretches out to radial outside from this annulus roughly circularly.This extension stretches out to the outside by the inserting hole of executive component base.Extension is connected with substrate, plays a part to the drive coil supplying electric current.By front end at a pair of extension line that is arranged at the portion of terminal solder drive coil on the annulus of sheet electrode, thus can be to the drive coil supply capability.
In addition, disclosed camera model has in patent documentation 1: substrate; Put at this on-chip imaging apparatus; Leave at interval and put with this imaging apparatus at this on-chip electronic component; With the combine seal member of the enclosure space that forms sealing imaging apparatus and electronic component of substrate; And put above-mentioned executive component on the sealing parts.
Patent documentation 1: TOHKEMY 2006-258969 communique (Fig. 1, Fig. 2, Fig. 3)
In patent documentation 1, the extension of sheet electrode stretches out to the outside by the inserting hole of executive component base.Therefore, be necessary at inserting hole to the extension that sockets sheet electrode between the substrate.Socket for fear of this, can consider to be provided with the guide of disclosed and the split of executive component base among the Fig. 3 as patent documentation 1.Yet, in this structure, have the problem that causes the parts number of packages to increase.Have, in patent documentation 1, the extension of only having put down in writing sheet electrode is connected with substrate, and is at all unexposed as for how to connect again.
Summary of the invention
It is few that problem of the present invention provides a kind of parts number of packages, the lens drive terminal stably can be connected on the substrate and lens driver and the camera model realizing connecting.
Other purpose of the present invention will along with the explanation carrying out will be clearer.
Adopt first mode of the present invention, possessing: lens retainer 14 with the cylindrical portion 140 that is used to keep lens subassembly; Be positioned at cylindrical portion around mode be fixed on drive coil 16 on this lens retainer; Yoke 20 with permanent magnet relative 18 with this drive coil; And the optical axis O direction both sides that are arranged at the cylindrical portion of lens retainer, and upside leaf spring 22 and downside leaf spring 24 that the lens retainer can be supported with displacement in optical axis O direction under the state that is positioned at radially, each of upside leaf spring and downside leaf spring has the interior all side ends 222 that are installed on the lens retainer 14,242 and be installed in outer circumferential side end 224 on the yoke 20,244, by drive coil 16 is switched on, the interaction in the magnetic field that utilizes the magnetic field of permanent magnet 18 and cause by the electric current that in drive coil 16, flows, the lens driver 10 that lens retainer 14 can be adjusted at the enterprising line position of optical axis O direction, further possess at lens driver 10: install and fix yoke 20, and with the base 12 of the outer circumferential side end 244 of yoke 20 clamping downside leaf springs 24; And be disposed between downside leaf spring 24 and the base 12, and in the lens driver of the sheet electrode 32 of drive coil 16 supply capabilities, can be it is characterized in that sheet electrode 32 possesses: the electrode part 322 that is electrically connected with a pair of extension line 162 of drive coil 16; And the extension 324 that stretches out and have a pair of lens drive terminal 324a from this electrode part downwards at front end, base 12 possesses outstanding downwards and has the guide 122 that is used for inserting the inserting hole 122a that leads to extension, and exposes the lens driver of a pair of lens drive terminal 324a from the lower end of guide 122.
Adopt second mode of the present invention, possessing: said lens drive unit 10; And imaging apparatus is installed, and in the camera model 40 of the substrate 42 of the lens driver of 42a lift-launch in the above, can be it is characterized in that substrate 42 has the camera model of the conductive pattern 422 that is electrically connected with top 42a by a pair of lens drive terminal 324a and electroconductive resin 52.
In above-mentioned camera model 40, preferably further has the heat radiation resin 54 that has applied electroconductive resin 52.In addition, preferably further has the current-carrying plate 56 that covers heat radiation resin 54.As an alternative, also can further have the current-carrying plate 56 that separates and cover electroconductive resin 52 with electroconductive resin 52.In addition, lens driver 10 is rectangular shape in fact, and preferably substrate 42 is made the rectangular shape corresponding with rectangular shape.
In addition, above-mentioned reference marks is note for ease of understanding, and only an example is not limited to these certainly.
The invention effect is as follows.
In the present invention, prevent parts owing to possess rotation, thereby when lens subassembly being fixed on the cylindrical portion of lens retainer or focusing, can prevent fully that the lens retainer from rotating with lens subassembly.
Description of drawings
Fig. 1 will be referred to the stereoscopic figure of the lens driver of first embodiment of the present invention from the oblique upper observation.
Fig. 2 is with the stereoscopic figure of lens driver shown in Figure 1 from oblique beneath.
Fig. 3 is the exploded perspective view of lens driver shown in Figure 1.
Fig. 4 is the stereoscopic figure that the camera model that comprises lens driver shown in Figure 1 is observed from oblique upper.
Fig. 5 is the cut-open view that the electrical connections (contact part) of the lens drive terminal of Fig. 4 is amplified expression.
Fig. 6 is that the electrical connections (contact part) that will be referred to the lens drive terminal of second embodiment of the present invention amplifies the cut-open view of expression.
Fig. 7 is that the electrical connections (contact part) that will be referred to the lens drive terminal of the 3rd embodiment of the present invention amplifies the cut-open view of expression.
Among the figure:
10-lens driver, 12-executive component base, 122-guide, 122a-inserting hole, 14-lens retainer, 140-cylindrical portion, 142-internal thread, 16-drive coil, 162-extension line, 18-permanent magnet, 20-yoke, 22-upside leaf spring (front side spring), 222-interior all side ends (inner ring), 224-outer circumferential side end (outer ring), 24-downside leaf spring (rear side spring), 242-interior all side ends (inner ring), 244-outer circumferential side end (outer ring), 26-retainer, 32-sheet electrode, 322-electrode part, 324-extension, 324a-lens drive terminal, 40-lens module, 42-substrate is above 42a-substrate, 422-conductive pattern (copper pattern), 44-seal member, 52-electroconductive resin, 54-heat radiation resin, 56-current-carrying plate (sheet metal), O-optical axis.
Embodiment
Following with reference to the description of drawings embodiments of the present invention.
The lens driver 10 that relates to one embodiment of the present invention referring to figs. 1 through Fig. 3 explanation.Fig. 1 is the stereoscopic figure that lens driver 10 is observed from oblique upper, and Fig. 2 is that Fig. 3 is the exploded perspective view of lens driver 10 with the stereoscopic figure of lens driver 10 from oblique beneath.Here, as shown in Figure 1 to Figure 3, the use rectangular coordinate system (X, Y, Z).Illustrated state in Fig. 1 to Fig. 3, rectangular coordinate system (X, Y, Z) in, X-axis is fore-and-aft direction (depth direction), Y-axis is left and right directions (Width), the Z axle is above-below direction (short transverse).And to example shown in Figure 3, above-below direction Z is the optical axis O direction of lens at Fig. 1.
But under actual behaviour in service, optical axis O direction, be that Z-direction becomes fore-and-aft direction.In other words, the last direction of Z axle become the place ahead to, and the following direction of Z axle become the rear to.
But illustrated drive unit 10 is arranged on the pocket telephone of subsidiary camera of automatic focusing.Lens driver 10 is used to make lens subassembly (cylinder) (not shown) to move in optical axis O direction.Lens driver 10 has the executive component base 12 of the downside (rear side) of Z-direction of being configured in (optical axis O direction).Though not shown, be equipped with in the bottom (rear portion) of this executive component base 12 and be configured in on-chip imaging apparatus.Be converted to electric signal after the subject of this imaging apparatus shooting scioptics assembly imaging.Imaging apparatus is by formations such as for example CCD (charge coupled device) type imageing sensor, CMOS (complementary metaloxide semiconductor) type imageing sensors.Therefore, the combination of scioptics drive unit 10, substrate, imaging apparatus and constitute camera model.
In addition, will describe in detail with reference to Fig. 4 in the back about camera model.
In addition, as previously described, under actual behaviour in service, the last direction of Z-direction (optical axis O direction) become the place ahead to, and the following direction of Z-direction (optical axis O direction) become the rear to.Thereby upside leaf spring 22 also is the front side spring, and downside leaf spring 24 also is the rear side spring.
As shown in Figure 3, yoke 20 is anistree tubular.The anistree tube of yoke 20 comprises four long sides respect to one another and is configured in four short sides between these four long sides.Therefore, drive coil 16 also is the anistree tubular that coincide with the shape of anistree tubular yoke 20.Permanent magnet 18 is made of eight rectangle permanent magnet pieces 182 of each side of the anistree tube that is configured in yoke 20.Yoke 20 has the urceolus portion 202 of anistree barrel shape and is arranged at the octagonal annular end 204 of the upper end (front end) of this urceolus portion 202.
On the inner peripheral surface of the urceolus portion 202 of yoke 20, leave at interval and equipped with permanent magnetism iron 18 with drive coil 16.
Upside leaf spring (front side spring) 22 is configured in the optical axis O direction upside (front side) of lens retainer 14, and downside leaf spring (rear side spring) 24 is configured in the optical axis O direction downside (rear side) of lens retainer 14.Upside leaf spring (front side spring) 22 and downside leaf spring (rear side spring) 24 are made roughly the same structure.Promptly, upside leaf spring (front side spring) 22 has interior all side ends 222 that are installed on the lens retainer 14 and the outer circumferential side end 224 that is installed on the yoke 20.Between interior all side ends 222 and outer circumferential side end 224, be provided with three wrists.All side ends 222 and outer circumferential side end 224 in each wrist links.
Similarly, downside leaf spring (rear side spring) 24 has interior all side ends 242 that are installed on the lens retainer 14 and the outer circumferential side end 244 that is installed on the yoke 20.Between interior all side ends 242 and outer circumferential side end 244, be provided with three wrists.All side ends 242 and outer circumferential side end 244 in each wrist links.
In addition, interior all side ends also are inner ring, and the outer ring is also named in the outer circumferential side end.
Interior all side ends 222 of upside leaf spring (front side spring) 22 are by lens retainer 14 and retainer 26 clampings and fix.In other words, retainer 26 be clamped in interior all side ends 222 upside leaf spring (front side spring) 22 and lens retainer 14 between mode and lens retainer 14 chimeric.On the other hand, between the outer circumferential side end 224 of upside leaf spring (front side spring) 22 is clamped in yoke 20 and covers 28 and fix.
Following function is arranged on retainer 26.Retainer 26 function that has interior all side end 222 bias frees of making upside leaf spring (front side spring) 22, be close to lens retainer 14 accurately promptly.Thus, can improve the deviation of the characteristic of VCM (sound, coil, motor).In addition, retainer 26 has the function of the bonding strength that improves upside leaf spring (front side spring) 22.Improve the resistance to impact of lens driver 10 thus.Have, retainer 26 has the function of upside leaf spring (front side spring) 22 distortion when preventing 10 times drop impacts of lens driver again.Also improve the resistance to impact of lens driver 10 thus.In addition, retainer 26 has the function of the mechanical stroke of decision lens driver 10.
In addition, in the present embodiment, also adding on this retainer 26 has the function that prevents 14 rotations of lens retainer as following.
On the other hand, the outer circumferential side end 244 of downside leaf spring (rear side spring) 24 is fixed on the yoke 20 by separator 30.In other words, the outer circumferential side end 244 of separator 30 and downside leaf spring (rear side spring) 24 is clamped between yoke 20 and the executive component base 12 and fixes.Interior all side ends 242 of downside leaf spring (rear side spring) 24 are fixed on lower end (rear end) side of lens retainer 14.
On the internal perisporium of the cylindrical portion 140 of lens retainer 14, be carved with internal thread 142.On the other hand, though not shown, on the periphery wall of lens subassembly (cylinder), be carved with the external thread that combines with above-mentioned internal thread 142 screw threads.Therefore, when on lens retainer 14, installing and fixing lens subassembly (cylinder), by make lens subassembly (cylinder) with respect to the cylindrical portion 140 of lens retainer 14 around optical axis O rotation and along optical axis O direction screw thread in conjunction with lens subassembly (cylinder) is received in the lens retainer 14, and utilize bonding agent to wait to engage each other.
At this moment, though the danger that has lens retainer 14 to rotate together as following, can prevent 14 rotations of lens retainer in the present invention fully.
By giving drive coil 16 energisings, utilize the magnetic field of permanent magnet 18 and the interaction in the magnetic field that causes by the electric currents that flow in coil drive 16, can on optical axis O direction, carry out the position adjustment to lens retainer 14 (lens subassembly).
Between downside leaf spring (rear side spring) 24 and base 12, dispose sheet electrode 32.This sheet electrode 32 is used for to drive coil 16 supply capabilities.In addition, be provided with the plate 34 that possesses opening 34a in the upper end (front end) of cover 28.
In the illustrated embodiment, retainer 26 has and is arranged on the rotation of only having rotated twice rotational symmetric locational two コ font of 180 ° with respect to optical axis O and prevents suppressing portion 262.These コ font rotations prevent suppressing portion 262 when lens subassembly is fixed on the cylindrical portion 140 of lens retainer 14, prevent that as the rotation that prevents 14 rotations of lens retainer fully parts from working.Promptly, with lens subassembly when the cylindrical portion 140 of lens retainer 14 installs and fixes, prevent from the suppressing portion 262 to insert by rotation and keep anchor clamps (not shown) to prevent 14 rotations of lens retainer fully at two コ fonts.At this moment, guarantee (maintenance) retainer 26 and cover clearance between 28.
On the other hand, executive component base 12 possesses downwards outstanding and has and is used to make extension 324 to insert logical inserting hole 122a (with reference to Fig. 5).Shown in Fig. 1 and figure, expose a pair of lens drive terminal 324a from the lower end of guide 122.Thereby the extension 324 of sheet electrode 32 is drawn along the guide 122 of executive component base 12.
Like this, because guide 122 constitutes one with executive component base 12, therefore, can cut down the parts number of packages.In addition, owing to expose a pair of lens drive terminal 324a, therefore, lens drive terminal 324a stably can be connected to substrate 42 (Fig. 4 reference) and go up and realize connecting from the lower end of guide 122.
Below, with reference to Fig. 4 and Fig. 5 the camera model 40 that comprises lens driver 10 shown in Figure 1 is described.Fig. 4 is the stereoscopic figure that camera model 40 is observed from oblique upper.Fig. 5 is with Fig. 4
The electrical connections (contact part) that comprises the lens drive terminal 324a of lens driver 10 shown in Figure 1 amplifies the cut-open view of expression.
As shown in Figure 5, substrate 42 has the conductive patterns such as copper pattern 422 that are electrically connected with 42a above it by a pair of lens drive terminal 324a and electroconductive resin 52.As electroconductive resin 52, its matrix material uses the heat-curing resin as epoxy is resin.
Suppose in the electrical connection of the conductive pattern 422 of a pair of lens drive terminal 324a and substrate 42 and used the refined lead material.In this occasion,, therefore, on parts, produce thermal stress, thereby the danger of damage of components is arranged because the temperature of electric soldering iron is the high temperature more than 300 ℃.In addition, also produce the deviation of the outward appearance that causes because of operating personnel.
To this, in the present embodiment, owing in the electrical connection of the conductive pattern 422 of a pair of lens drive terminal 324a and substrate 42, use electroconductive resin 52, therefore, can stably connect the conductive pattern 422 of lens drive terminal 324a and substrate 42 and realize connecting.In addition, a pair of lens drive terminal 324a is not the outer surface that is configured in camera model 40, but is configured in the inside of machine module 40, therefore, is not subjected to this advantage of damage (fall, hit, with the short circuit of other parts) from the outside in addition.Have again, by with divider coating electrically conductive resin 52, thereby can eliminate the deviation of coating amount.
In addition, as shown in Figure 4, the electrical connections (contact part) of the conductive pattern 422 of a pair of lens drive terminal 324a and substrate 42 is made box-shaped.Therefore, in the occasion of coating electrically conductive resin 52, the area of application is clear and definite, thereby can improve operability.In addition, above-mentioned electrical connections (contact part) is box in the inside of camera model 40.Therefore, do not influence shape limitation fully.In addition, the outward appearance of camera model 40 is also attractive in appearance.
In addition, as shown in Figure 4, lens driver 10 is rectangular shape in fact, and substrate 42 is made the rectangular shape corresponding with this rectangular shape.Thereby can make camera model 40 miniaturizations.
Explanation relates to the electrical connections (contact part) of the lens drive terminal 324a of second embodiment of the present invention with reference to Fig. 6.
In the illustrated embodiment, the resin 54 that will dispel the heat is coated in the box-shaped contact part.Promptly, on electroconductive resin 52, be coated with heat radiation resin 54.
By making this structure, can suppress the heat radiation of drive coil 16 and lens subassembly.In addition, can also prevent electric injury (short circuit) from the outside.
Explanation relates to the electrical connections (contact part) of the lens drive terminal 324a of the 3rd embodiment of the present invention with reference to Fig. 7.
In the illustrated embodiment, set up lid with current-carrying plates such as sheet metal 56 at the box-shaped contact part.Promptly, cover heat radiation resin 54 with current-carrying plate 56.As current-carrying plate (sheet metal) 56, can use for example copper coin or pack fong plate.
Like this, by setting up lid at the box-shaped contact part, can realize countermeasure to noise and unnecessary radiation with current-carrying plate 56.
In addition, in embodiment shown in Figure 7, though cover heat radiation resin 54 with current-carrying plate 56, as shown in Figure 5, in the occasion of not having heat radiation resin 54, current-carrying plate 56 also can separate and cover electroconductive resin 52 with electroconductive resin 52.
More than be illustrated by its preferred implementation about the present invention, but very clear, those skilled in the art can carry out all distortion in the scope that does not exceed spirit of the present invention.
Claims (6)
1. lens driver possesses: the lens retainer with the cylindrical portion that is used to keep lens subassembly; Be positioned at above-mentioned cylindrical portion around mode be fixed on drive coil on this lens retainer; Yoke with permanent magnet relative with this drive coil; And the optical axis direction both sides that are arranged at the cylindrical portion of said lens retainer, and upside leaf spring and downside leaf spring that the said lens retainer can be supported with displacement at optical axis direction under the state that is positioned at radially, each of above-mentioned upside leaf spring and above-mentioned downside leaf spring has interior all side ends that are installed on the said lens retainer and the outer circumferential side end that is installed on the above-mentioned yoke, by above-mentioned drive coil is switched on, the interaction in the magnetic field that utilizes the magnetic field of above-mentioned permanent magnet and cause by the electric current that in above-mentioned drive coil, flows, can be with the said lens retainer in the enterprising line position adjustment of optical axis direction, this lens driver further possesses: install and fix above-mentioned yoke, and with the base of the above-mentioned outer circumferential side end of the above-mentioned downside leaf spring of above-mentioned yoke clamping; And be disposed between above-mentioned downside leaf spring and the above-mentioned base, and to the sheet electrode of above-mentioned drive coil supply capability, it is characterized in that,
Above-mentioned sheet electrode possesses: the electrode part that is electrically connected with a pair of extension line of above-mentioned drive coil; And the extension that stretches out downwards and have a pair of lens drive terminal at front end from this electrode part,
Above-mentioned base possesses outstanding downwards and has the guide that is used for inserting the inserting hole that leads to above-mentioned extension,
And expose a pair of said lens drive terminal from the lower end of above-mentioned guide.
2. a camera model possesses: the described lens driver of claim 1; And imaging apparatus is installed, and carry the substrate of said lens drive unit in the above, it is characterized in that,
Above-mentioned substrate has by above-mentioned a pair of lens drive terminal and electroconductive resin and the above-mentioned conductive pattern that is electrically connected above.
3. camera model according to claim 2 is characterized in that,
Further has the heat radiation resin that has applied above-mentioned electroconductive resin.
4. camera model according to claim 3 is characterized in that,
Further has the current-carrying plate that covers above-mentioned heat radiation resin.
5. camera model according to claim 2 is characterized in that,
Further has the current-carrying plate that separates and cover above-mentioned electroconductive resin with above-mentioned electroconductive resin.
6. according to each described camera model of claim 2～5, it is characterized in that,
The said lens drive unit is rectangular shape in fact, and above-mentioned substrate is made the rectangular shape corresponding with above-mentioned rectangular shape.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008059397 | 2008-03-10 | ||
| JP2008059397A JP2009216878A (en) | 2008-03-10 | 2008-03-10 | Lens driving apparatus and camera module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101533146A true CN101533146A (en) | 2009-09-16 |
Family
ID=41103852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910004527A Pending CN101533146A (en) | 2008-03-10 | 2009-03-06 | Lens driving apparatus and camera module |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2009216878A (en) |
| KR (1) | KR101044668B1 (en) |
| CN (1) | CN101533146A (en) |
| TW (1) | TW200942946A (en) |
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| CN102411188A (en) * | 2010-09-21 | 2012-04-11 | 思考电机（上海）有限公司 | Lens Driving Device, Camera Capable Of Automatically Focusing And Mobile Terminal Having Photo Taking Function |
| CN102445744A (en) * | 2010-10-13 | 2012-05-09 | 松下电器产业株式会社 | Lens driving device and camera module |
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| US10948807B2 (en) | 2017-05-31 | 2021-03-16 | Canon Kabushiki Kaisha | Imaging apparatus and accessory |
| US11126067B2 (en) | 2017-05-31 | 2021-09-21 | Canon Kabushiki Kaisha | Accessory, image pickup apparatus on which same is mountable, and camera system |
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| US8254046B2 (en) | 2009-11-19 | 2012-08-28 | Mcnex Co., Ltd. | Camera module with autofocus function |
| KR101156872B1 (en) * | 2009-12-18 | 2012-06-20 | 삼성전기주식회사 | Lens actuating module |
| JPWO2011108430A1 (en) * | 2010-03-04 | 2013-06-27 | 三洋電機株式会社 | Lens driving device and camera module |
| TWI419032B (en) * | 2010-11-18 | 2013-12-11 | Au Optronics Corp | Optical touch sensing unit and touch display panel |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR101044668B1 (en) | 2011-06-28 |
| JP2009216878A (en) | 2009-09-24 |
| KR20090097096A (en) | 2009-09-15 |
| TW200942946A (en) | 2009-10-16 |
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