CN107299948A - A kind of lower spring for camera gun drive device - Google Patents
A kind of lower spring for camera gun drive device Download PDFInfo
- Publication number
- CN107299948A CN107299948A CN201710731660.0A CN201710731660A CN107299948A CN 107299948 A CN107299948 A CN 107299948A CN 201710731660 A CN201710731660 A CN 201710731660A CN 107299948 A CN107299948 A CN 107299948A
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- China
- Prior art keywords
- spring silk
- substrate
- spring
- buffering area
- silk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims abstract description 48
- 238000003466 welding Methods 0.000 claims abstract description 38
- 239000003292 glue Substances 0.000 claims abstract description 12
- 230000003139 buffering effect Effects 0.000 claims description 41
- 235000014676 Phragmites communis Nutrition 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 abstract description 9
- 229910000679 solder Inorganic materials 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/18—Leaf springs
- F16F1/182—Leaf springs with inter-engaging portions between leaves or between leaves and mountings, e.g. ridges, notches, ripples
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/18—Leaf springs
- F16F1/185—Leaf springs characterised by shape or design of individual leaves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/18—Leaf springs
- F16F1/26—Attachments or mountings
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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
Abstract
The invention discloses a kind of lower spring for camera gun drive device, provided with two symmetrical rivet hot positioning holes at the elastic buffer zone substrate of lower spring, the point glue groove of strip is formed between two rivet hot positioning holes, pad positioning hole is offered at the substrate of elastic buffer zone, A positioning holes are provided with positioning substrate, spot welding substrate is provided with interior spring silk, provided with a welding hole at the spot welding substrate, spot welding substrate surface is around point welding hole formation choked flow groove, the choked flow groove for partly enclosing state is additionally arranged in a welding hole periphery, to welding hole add solder(ing) paste in assembling process with the lower spring and the coil are subject to it is electrically connected simultaneously, due to having the choked flow groove of semi-surrounding point welding hole on the lower spring, even if so that solder(ing) paste is in the case where adding, detention groove can be absorbed to unnecessary excessive part.4 angles side of lower spring, be respectively arranged with increase bonding strength point glue groove there is provided a kind of good lens driver of shock resistance.
Description
Technical field
It is especially a kind of to be used under camera gun drive device the present invention relates to the technical field of lens driver
Spring, more particularly to its mechanical connecting structure.
Background technology
To the lens driver of the auto-focusing camera of the mobile communication terminal that is equipped on mobile phone etc., commonly feelings
Condition is：The lens supports body of lens is supported in inner circumferential；It is configured at the coil case on lens supports external week；Flexibly support lens branch
The spring of support body；It is arranged on the inner side surrounding multiple magnetites of proportional arrangement, and at regular intervals oppositely disposed with coil case of collar extension.
To coil electricity, magnetite produces electromagnetic force with coil interaction, drives lens supports body to be moved to optical axis direction, stays in
With the elastic force of spring mutually position in a balanced way.By the control to coil current, lens supports body is driven to be moved to specified
Target location, so as to reach the purpose of focusing.
However, conventional lens driver is in actual operating process, such as coil whole story end line is directly and lower spring
During welding is electrically connected, lower spring is yielding, and lens supports body can also weld wound, so as to can cause various performances and outward appearance
It is bad.The present invention is directed to the problem, by being set again to the component structure and assembling mode that constitute lens driver
, there is the difficult point to generality in conventional design and carried out breakthrough adjustment and overcome in meter improvement, so that lens driving dress
The properties of product and structure put finally are greatly optimized.
The content of the invention
It is an object of the invention to provide a kind of lower spring for camera gun drive device, by lower spring
Structure optimization, produces a kind of performance and structure relatively more superior lens driver in the past, overcomes and deposit in the prior art
Shortcoming and defect.
To achieve these goals, the technical scheme is that：A kind of lower bullet for camera gun drive device
Spring, the lower spring global approximation is square, and four drift angles position of lower spring is equipped with an elastic buffer zone substrate, and elasticity is slow
The point glue groove for being provided with and strip being formed between two symmetrical rivet hot positioning holes, two rivet hot positioning holes is rushed at area's substrate,
Pad positioning hole is offered at the substrate of elastic buffer zone, the lower edge of elastic buffer zone substrate is connected with one end of buffering area spring silk,
The other end of buffering area spring silk is connected with one end of outer spring silk, and the other end of outer spring silk passes through one end of positioning substrate and interior spring thread
Connection, the other end of interior spring silk is connected with the elastic buffer zone substrate of adjacent drift angle position, the elastic buffer zone base of adjacent drift angle position
Piece is connected also through one section of buffering area spring silk with the other end of interior spring silk, and above-mentioned outer spring silk is mutually surrounded on spring silk in a part, and
Non- equidistant clearance portion is formed between the two.It is provided with positioning substrate at A positioning holes, interior spring silk and is provided with spot welding substrate, institute
State provided with point welding hole at spot welding substrate, spot welding substrate surface is around point welding hole formation choked flow groove.
The invention discloses a kind of lower spring for camera gun drive device, lower spring is set up in a welding hole periphery
Partly enclose in the choked flow groove of state, assembling process and to add solder(ing) paste to be subject to the lower spring and the coil to a welding hole
It is electrically connected simultaneously as on the lower spring have semi-surrounding point welding hole choked flow groove so that even if solder(ing) paste is more
Plus in the case of, detention groove can be absorbed to unnecessary excessive part, it is ensured that the security of its scolding tin quality.The rivet hot of lower spring
Positioning hole can be nested with the rivet hot locating dowel of lens driver lower cover.4 angles side of lower spring, is respectively arranged with increase
There is provided a kind of good lens driver of shock resistance for the point glue groove of bonding strength.
Brief description of the drawings
Fig. 1 is lower spring structural representation of the present invention.
Fig. 2 is lower spring and lens supports body assembling structure schematic diagram.
Fig. 3 is lower spring and lower cover assembling structure schematic diagram.
Wherein：
1st, elastic buffer zone substrate；
2nd, rivet hot positioning hole；
3rd, glue groove is put；
4th, pad positioning hole；
5th, buffering area spring silk；
6th, outer spring silk；
7th, positioning substrate；
8th, interior spring silk；
9th, clearance portion；
10th, A positioning holes；
11st, spot welding substrate；
12nd, welding hole is put；
13rd, choked flow groove；
14th, lower spring；
15th, lens supports body；
16th, coil；
17th, A locating dowels
18th, initial line wiring column；
19th, finish line wiring column；
20th, lower cover
21st, rivet hot locating dowel；
22nd, dust ring；
23rd, arc tips；
24th, reed is originated；
25th, first buffering area spring silk；
26th, reed bending part；
27th, second buffering area spring silk；
28th, the first rebate spring silk；
29th, the second rebate spring silk.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
The invention discloses a kind of lower spring for camera gun drive device, it is different from prior art and is：
The global approximation of lower spring 14 is square, and four drift angles position of lower spring is equipped with an elastic buffer zone substrate 1, and elasticity is slow
The dispensing for being provided with and strip being formed between two symmetrical rivet hot positioning holes 2, two rivet hot positioning holes 2 is rushed at area's substrate 1
Pad positioning hole 4, the lower edge of elastic buffer zone substrate 1 and the one of buffering area spring silk 5 are offered at groove 3, elastic buffer zone substrate 1
End connection, the other end of buffering area spring silk 5 be connected with one end of outer spring silk 6, the other end of outer spring thread 6 by positioning substrate 7 and
One end connection of interior spring silk 8, the other end of interior spring silk 8 is connected with the elastic buffer zone substrate 1 of adjacent drift angle position, adjacent drift angle position
Elastic buffer zone substrate 1 be connected also through one section of buffering area spring silk 5 with the other end of interior spring silk 8, above-mentioned outer spring thread 6 is mutually surround
In spring silk 8 in a part, and it is formed between the two at non-equidistant clearance portion 9, positioning substrate 7 provided with A positioning holes 10, it is interior
It is provided with spring silk 8 at spot welding substrate 11, the spot welding substrate 11 provided with point welding hole 12, the surface of spot welding substrate 11 is around point welding hole 12
Form choked flow groove 13.
In the specific implementation, the elastic buffer zone substrate 1 is approximate trapezoidal.
In the specific implementation, the two ends of the choked flow groove 13 form the arc tips 23 enclosed to a welding hole 12.
In the specific implementation, as shown in fig. 1, the buffering area spring silk 5 is delayed by starting reed, reed bending part, first
Rush area's spring silk, the first rebate spring silk, second buffering area spring silk, the second rebate spring silk to constitute, above-mentioned elastic buffer zone substrate 1
It is connected by originating reed 24 with first buffering area spring silk 25, one end of beginning reed 24 is connected with elastic buffer zone substrate 1, beginning spring
The other end of piece 24 is connected by reed bending part 26 with one end of first buffering area spring silk 25, and reed bending part 26 is in convergence shape
Distribution, the width of reed bending part 26 is more than the width of first buffering area spring silk 25, and second buffering area spring silk 27 is located at first and delayed
Rush between area's spring silk 25 and outer spring thread 6, the other end and 27 one end of second buffering area spring silk of first buffering area spring silk 25 are located at together
Connected between side, 27 one end of the other end and second buffering area spring silk of first buffering area spring silk 25 by the first rebate spring silk 28
Connect, the first rebate spring silk 28 is in that circular arc is roundabout, the other end and 6 one end of outer spring silk of second buffering area spring silk 27 are located at together
Side, the other end of second buffering area spring silk 27 is connected by the second rebate spring silk 29 with 6 one end of outer spring silk, the second rebate spring
Silk 29 is also roundabout in circular arc.Lower spring corner is fixed on base.Interior spring silk is fixed on carrier.To after coil electricity
Lens supports body drives camera lens to be moved to optical axis direction.Now, spring just passes through center section spring silk arm（I.e. buffering area spring silk）
Carry out elastic telescopic.And the spring silk arm for turning to turn（I.e. buffering area spring silk）Serve the effect of fine dispersive stress.Buffering
Area's spring flight lead is from shorter, and stress more concentrates on that certain is a bit of, and the power that so this section spring silk is born is bigger, more easily causes disconnected
Split, so as to cause the bad of lens driver performance.So such spring silk arm construction has fine dispersive stress, with excellent
Good anti-impact force, antitorque effect, it is therefore prevented that fracture of the spring in running drawing process repeatedly.
In the specific implementation, as shown in fig. 1, the lower spring is in flat leaf spring, and the lower spring is equipped each other
To lateral configuration, 2 welding holes for a solder(ing) paste；The place of semi-surrounding point welding hole is respectively provided with a choked flow groove；With along institute
State lower spring peripheral direction, the multiple A positioning holes being nested with the A locating dowels of the lens supports body；For 2 with base
2 pad positioning holes that terminal electrical resistance is connected；With the multiple rivet hots being nested with two rivet hot locating dowels on base
Positioning hole, with multiple glue grooves for strengthening bonding fastening function with base.
In the specific implementation, the lower spring is disposed on the lower surface of the lens supports body, its mutual position
The relation of putting is that the A locating dowels of the lens supports body match chimeric with multiple A positioning holes of the lower spring；Here emphasis
Illustrate, the coil is wound on the lens supports body, the lens supports body is provided with multiple shock resistance ribs, due to
The lens supports body and the integral coiling machine-shaping of the coil, therefore after coiling machine-shaping, due to the edge of shock resistance rib
Therefore, the anti-impact force between coil and lens supports body after coiling can be greatly reinforced, even if therefore in the presence of external force, coil
Also it will not fall off in lens supports body, improve the unfailing performance of product.
In addition, the lower spring and the lens supports body are after assembling, as shown in Fig. 2 in two welding holes 12
Underface is furnished with the initial line wiring column 18 and finish line wiring column 19 of the lens supports body, by adding scolding tin into a welding hole
Cream so that the lower spring 14 can be able to electrically connected with the coil 16.
Traditional way is two direct scolding tin of whole story end line of the coil that will be wound on lens supports body in lower spring
Upper progress is electrically connected, and traditional this operator scheme not only causes lower spring yielding, and lens supports body can also weld wound, from
And various performances and bad order can be caused.In addition, lens driver after assembling is once the external impacts, institute such as fallen
The risk for being easy to be torn after being subjected to impact at line end at the whole story end line of coil and the tie point of the lower spring is stated, is caused
Make electrical resistance loose contact so that lens driver in mobile phone etc. because can not drive and caused by functional issues.This
This shock resistance side that wiring column is set on the lens supports body in embodiment helps to solve tradition around package assembly
The drawbacks of lens driver not impact resistance in meaning so that lens driver is more superior in terms of impact resistance.
Adding solder(ing) paste to welding hole with the lower spring and the coil are subject to it is electrically connected simultaneously as
There is the choked flow groove of semi-surrounding point welding hole so that even if solder(ing) paste is in the case where adding, detention groove can be inhaled on the lower spring
Receive unnecessary excessive part, it is ensured that the security of its scolding tin quality.
In addition, the shock resistance rib structure that Fig. 2 is previously mentioned in the present embodiment so that coil is unlikely equally after being subjected to impact
Come off the risk of the lens supports body in traditional sense coil can be met with.This structure than ever without shock resistance rib is again
More optimize a step so that the shock resistance of overall lenses drive device is extremely outstanding.
In the specific implementation, the coil is wound in the lens supports body, and lower spring nesting is disposed in into one afterwards
On the lens supports body that formula coiling is finished.So far, it is combined into by the coil, the lens supports body, the lower spring three
The moving parts of lens driver.
It is set to next, moving parts is directly matched somebody with somebody on lower cover.For ease of checking shape that moving parts is disposed on lower lid
Condition, as shown in figure 3, moving parts only remains lower spring, is imitated with the assembling of this apparent explanation moving parts and lower cover directly perceived
Fruit situation.
As shown in figure 3, the rivet hot positioning hole in described 4 corners of lower spring and the rivet hot locating dowel in described four corners of lower cover
Complement one another chimeric.In addition, four corners of the spring are each provided with some glue grooves, the lower spring and the lower cover are in group
After dress, heat-curable glue is added to a glue groove, so that it may enhance the bonding tautness between the lower spring and the lower cover significantly,
Substantially increase shock resistance.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.For example：Choked flow groove on spot welding substrate is not necessarily intended to make semi-surrounding arc, may be alternatively configured semi-surrounding rectangle,
Or absorb unnecessary glue amount for obstructing directly to do strip linear.To increase the point glue groove between adhesive surface, rivet hot positioning hole
Strip is not necessarily made, S curve shape or right-angle folding bending can also be made.The overall frame shape of lower spring is not
Square or being actually needed according to lens driver size shape, coordinate the appearance and size of lower cover, make rectangular
Shape or square.In a word, to reach similar effect, the change of a variety of shapes or lines quantity can be made.
Claims (4)
1. a kind of lower spring for camera gun drive device, it is characterised in that：The lower spring global approximation is in pros
Shape, four drift angles position of lower spring is equipped with an elastic buffer zone substrate（1）, elastic buffer zone substrate（1）Place is right provided with two
Claim the rivet hot positioning hole of distribution（2）, two rivet hot positioning holes（2）Between formed strip point glue groove（3）, elastic buffer zone base
Piece（1）Place offers pad positioning hole（4）, elastic buffer zone substrate（1）Lower edge and buffering area spring silk（5）One end connection,
Buffering area spring silk（5）The other end and outer spring silk（6）One end connection, outer spring silk（6）The other end pass through positioning substrate（7）With
Interior spring silk（8）One end connection, interior spring silk（8）The other end and adjacent drift angle position elastic buffer zone substrate（1）Elastic buffer
Area's substrate（1）Connection, the elastic buffer zone substrate of adjacent drift angle position（1）Also through one section of buffering area spring silk（5）With interior spring silk（8）
Other end connection, above-mentioned outer spring silk（6）Around with a part spring silk（8）Outside, and form clearance portion between the two
（9）, positioning substrate（7）Place is provided with A positioning holes（10）, interior spring silk（8）Place is provided with spot welding substrate（11）, the spot welding substrate（11）
Place is provided with point welding hole（12）, spot welding substrate（11）Surface is around a welding hole（12）Form choked flow groove（13）.
2. a kind of lower spring for camera gun drive device according to claim 1, it is characterised in that：The bullet
Property buffering area substrate（1）It is approximate trapezoidal.
3. a kind of lower spring for camera gun drive device according to claim 2, it is characterised in that：The resistance
Chute（13）Two ends formed to a welding hole（12）The arc tips enclosed（23）.
4. a kind of lower spring for camera gun drive device according to claim 1, it is characterised in that：It is described slow
Rush area's spring silk（5）By starting reed, reed bending part, first buffering area spring silk, the first rebate spring silk, second buffering area spring
Silk, the second rebate spring silk are constituted, above-mentioned elastic buffer zone substrate（1）By originating reed（24）With first buffering area spring silk
（25）Connection, beginning reed（24）One end and elastic buffer zone substrate（1）Connection, beginning reed（24）The other end rolled over by reed
Turn of bilge (26) and first buffering area spring silk（25）One end connection, reed bending part (26) in convergence shape distribution, reed bending part
(26) width is more than first buffering area spring silk（25）Width, second buffering area spring silk（27）Positioned at first buffering area spring silk
（25）With outer spring silk（6）Between, first buffering area spring silk（25）The other end and second buffering area spring silk（27）One end is located at same
Side, first buffering area spring silk（25）The other end and second buffering area spring silk（27）Pass through the first rebate spring silk between one end
（28）Connection, the first rebate spring silk（28）It is roundabout in circular arc, second buffering area spring silk（27）The other end and outer spring silk（6）
One end is located at homonymy, second buffering area spring silk（27）The other end pass through the second rebate spring silk（29）With outer spring silk（6）One end
Connection, the second rebate spring silk（29）Also it is roundabout in circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710731660.0A CN107299948A (en) | 2017-08-23 | 2017-08-23 | A kind of lower spring for camera gun drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710731660.0A CN107299948A (en) | 2017-08-23 | 2017-08-23 | A kind of lower spring for camera gun drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107299948A true CN107299948A (en) | 2017-10-27 |
Family
ID=60132507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710731660.0A Pending CN107299948A (en) | 2017-08-23 | 2017-08-23 | A kind of lower spring for camera gun drive device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107299948A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210364733A1 (en) * | 2018-11-06 | 2021-11-25 | Lg Innotek Co., Ltd. | Lens driving apparatus, and camera module and optical device comprising same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20210364733A1 (en) * | 2018-11-06 | 2021-11-25 | Lg Innotek Co., Ltd. | Lens driving apparatus, and camera module and optical device comprising same |
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