CN105717601A - Camera module with support means - Google Patents
Camera module with support means Download PDFInfo
- Publication number
- CN105717601A CN105717601A CN201410718121.XA CN201410718121A CN105717601A CN 105717601 A CN105717601 A CN 105717601A CN 201410718121 A CN201410718121 A CN 201410718121A CN 105717601 A CN105717601 A CN 105717601A
- Authority
- CN
- China
- Prior art keywords
- support means
- moving unit
- fixing unit
- optical axis
- camera model
- 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
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B5/04—Vertical adjustment of lens; Rising fronts
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
-
- 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
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B5/06—Swinging lens about normal to the optical axis
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/682—Vibration or motion blur correction
- H04N23/685—Vibration or motion blur correction performed by mechanical compensation
- H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position
-
- 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
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0007—Movement of one or more optical elements for control of motion blur
- G03B2205/0015—Movement of one or more optical elements for control of motion blur by displacing one or more optical elements normal to the optical axis
-
- 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
- G03B2217/00—Details of cameras or camera bodies; Accessories therefor
- G03B2217/002—Details of arrangement of components in or on camera body
-
- 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
- G03B2217/00—Details of cameras or camera bodies; Accessories therefor
- G03B2217/007—Details of energy supply or management
Abstract
A camera module of the invention comprises: a moving unit which movably arranges a lens coil frame part provided with a lens in an optical axis direction; a fixing unit separated from the moving unit; and support means which extends along the optical axis and supports the moving unit to move in a horizontal direction perpendicular to the optical axis, wherein one end of the support means is fixed on the moving unit, and the other end is fixed on the fixing unit. The moving unit is provided with an AF coil which provides a driving force for the lens coil frame part in the optical axis direction. The support means includes conductive materials. The fixing unit is provided with patterns where the electricity flows through. The driving electricity of the AF coil can be supplied to the AF coil through the pattern and the support means.
Description
Technical field
The present invention relates to the camera model of shooting photographed object, especially, relate to the camera model with optics hand shaking compensatory device and support means.
Background technology
During shooting photographed object, auto-focusing (AF:autofocusing) camera model much with automatic focus adjustable function not only uses on general digital camera, and uses on the mobile equipment of mobile phone or panel computer etc..
Occur except auto-focusing (AF) function successively recently, also adopt the camera model preventing hand shaking means.Prevent hand shaking means generally can be divided into electronically and optical mode.Electronic compensation (EIS:ElectronicImageStabilizer) mode is the mode that the picture signal to imageing sensor output carries out image processing.It is the mode that the position to imageing sensor or lens optical system or angle carry out mechanicalness adjustment that optics hand shaking compensates (OIS:OpticalImageStabilizer) mode.
The camera model of OIS device is installed, because its structure complexity volume is big again, use on the mobile apparatus, it is necessary to overcome a lot of technical problem.
Record the device compensating skew Korean Patent Laid the 2007-0065195th, but its structure is difficult to miniaturization and is not suitable on the mobile equipment as smart mobile phone.
Prior art literature
Patent documentation
Korean Patent Laid the 2007-0065195th
Summary of the invention
The technical problem to be addressed by invention
It is an object of the invention to provide a kind of miniaturization embodying OIS (OpticalImageStabilizer) function and thickness or volume the camera model to mobile equipment optimization.
The technical task that the present invention to complete is not limited to above-mentioned technical task, to not mentioning or other technical task, from following record by the technical field of the present invention has usual knowledge technical staff it is clearly understood that.
Solve the technical scheme of problem
In one embodiment, the camera model of the present invention comprises: will install the Moving Unit that lensed lens coil frame portion is movably disposed to optical axis direction；From the fixing unit that described Moving Unit is isolated；And extend along described optical axis, one end is fixed on described Moving Unit, and supports the support means that described Moving Unit moves to the horizontal direction being perpendicular to described optical axis.
In one embodiment, on the substrate that the other end of described support means is fixed on described fixing unit or described fixing unit possesses.
Beneficial effect
The OIS camera model of the present invention is to mobile equipment optimization, and is equivalent to lens displacement mode, not only carries out electronic compensation, also the image of deterioration is carried out optical compensation.
Therefore, even if time of exposure is long, or during camera-shake, the HD image without deterioration also can be shot.And, the shooting of high-resolution can also be carried out under the environment of low-light (level).
The support means of the present invention can extend along optical axis, does not stretch to optical axis direction.Thus support that the state that optical axis is kept certain height by Moving Unit can only move freely to horizontal direction, such that it is able to the OIS degree of accuracy that control is greatly improved.
In the present invention, the support means as power delivery path are set directly on the substrate providing electric power, thus, it is possible to reduce the whole thickness of camera model, it is possible to make pattern and support means reliably electrically contact.
Connecting bridges is to be connected on fixing unit or substrate by the other end of support means.Described connecting bridges is the elastic material got involved between the part that the other end of support means and the other end of support means connect, and absorbs vibrations between wire shaped support means and substrate or impact disrumpent feelings to prevent.
Accompanying drawing explanation
Fig. 1 is the oblique view of camera model of the present invention.
Fig. 2 is the exploded perspective view of camera model of the present invention.
Fig. 3 is the substrate schematic diagram constituting camera model of the present invention.
Fig. 4 is the substrate side surfaces schematic diagram constituting camera model of the present invention.
Symbol description
100-housing, 110-support means, 300-Moving Unit, 310-AF suspension, 330-lens coil frame portion, 340a-the 1st drive magnet, 340b-the 2nd drive magnet, 350-AF coil, 400-fixes unit, 450a-1OIS coil, 450b-2OIS coil, 490-substrate, 491-installation portion, 493-pattern, 495-cushion pad, 497-joint portion, 499-damper portion, 500-connecting bridges.
Detailed description of the invention
Hereinafter, it is described in detail according to embodiments of the invention in conjunction with accompanying drawing.In the process, for the definition illustrated and convenience, the size of the constituent element shown in the accompanying drawings or shape etc. are likely to exaggerate to some extent display.Moreover, it is contemplated that the composition of the present invention and effect, more specially appointed terms, may be different according to user, the intention of operator or custom, the definition about these terms should determine according to the entire contents of this specification.
Fig. 1 is the oblique view of camera model of the present invention, and Fig. 2 is the exploded perspective view of camera model of the present invention.
The camera model of the present invention can comprise Moving Unit 300, fixing unit 400, support means 110.
The optical axis side that definition light is injected is the 1st side, and the optical axis opposite side to the direction light injection of imageing sensor (for diagram) is the 2nd side.And, definition forms the 1st axle of xyz rectangular coordinate system, the 2nd axle and the 3rd axle.Optical axis or the 1st axle correspondence z-axis, the 2nd axle correspondence x-axis of vertical optical axis, the 3rd axle correspondence y-axis of vertical optical axis.
In the present invention, ' horizontal direction ' refers to the axial x-axis direction of vertical light or y-axis direction.This is expanded, although be not vertical optical axis, but towards the radial direction of optical axis side, optical axis is similar to the direction of inclination and is also defined as ' horizontal direction '.
When shooting with photographing unit, if there being hand shaking, being difficult to the image that shooting is correct, having camera to tilt (cameratilting) mode and Lens shift (lensshift) mode this optical compensation means.
Camera tilt mode is together will to tilt containing lensed camera model itself and imageing sensor, thus allows and connects the mode that photographed object is consistent with the optical axis that actual light is injected with the imaginary axis at OIS camera model center.But, camera tilt mode has the shortcoming that big and for driving inclination the power consumption of volume is big, therefore camera tilt mode is simplified, and imageing sensor is placed motionless, is exactly lens displacement mode relative to the mode of optical axis direction horizontal direction mobile lens.
The OIS camera model of the present invention, to mobile equipment optimization, is equivalent to lens displacement mode, although omitting detailed description, it not only carries out electronic compensation (EIS), also the image of deterioration is carried out optical compensation.Therefore, even if time of exposure is long, or during camera-shake, the HD image without deterioration also can be shot.And, the shooting of high-resolution can also be carried out under the environment of low-light (level).
In order to carry out auto-focusing (AF) function, lens must be able to move to optical axis direction.And, in order to carry out optical compensation (OIS), the horizontal direction that lens must be able to vertical optical axis moves.The camera model of the present invention whether can carry out AF function, it is possible to independently carry out OIS function with AF function.
Fixing unit 400 can be only fitted on the position with optical axis direction and Moving Unit 300 isolation.Meanwhile, fixing unit 400 is probably on the mobile equipment of mobile communication terminal etc. hard-wired parts.
Fixing unit 400 can face the imageing sensor arranged on the mobile apparatus, forms the outward appearance of camera model.And, when the external equipment of mobile equipment etc. assembles camera model, it is provided that the basis of assembling, just can holding load or external force.
Housing 100 can be equivalent to cover the lid of fixing unit 400.In the accompanying drawings, housing 100 is to show with the state that part is cut-off.
Mobile factor Moving Unit 300 can be defined for the fixing unit 400 of fixed factor.Moving Unit 300 can comprise lens coil frame portion 330 and AF actuator.
In one embodiment, Moving Unit 300 is movably disposed the lensed lens coil frame portion 330 of installation with optical axis direction.And, fixing unit 400, when driving OIS, can be moved by Moving Unit 300 with the horizontal direction of vertical optical axis.
Lens coil frame portion 330 is mounted lens part, can move at optical axis direction, also can move in the horizontal direction.The optical axis direction driving force in lens coil frame portion 330 is can be provided by AF actuator, and horizontal direction driving force is can be provided by OIS actuator.
During auto-focusing, lens coil frame portion 330 can move to optical axis direction.The optical axis direction driving force in lens coil frame portion 330 is to be produced by AF actuator, and AF actuator can be independent with the action of OIS actuator.
Moving Unit 300 in order to OIS action to horizontal direction move time, according to AF function, even if lens coil frame portion 330 moves at optical axis direction, lens coil frame portion 330 also can move by horizontal displacement.
Fixing unit 400, when optics hand shaking compensates, can be moved by Moving Unit 300 to horizontal direction.The horizontal direction driving force of Moving Unit 300 is to be produced by OIS actuator, can be independent with the action of AF actuator.
Drive magnet 340a, 340b of fixing at certain position with optical axis direction can be set at Moving Unit 300.
AF actuator can comprise drive magnet 340a, 340b and the AF coil 350 arranged in lens coil frame portion 330.AF actuator can produce the electromagnetic force making lens coil frame portion 330 drive to optical axis direction.Moving Unit 300, in auto-focusing action, can be produced the optical axis direction driving force in lens coil frame portion 330 by AF actuator.
OIS actuator may be embodied in drive magnet 340a, 340b that Moving Unit 300 is arranged and OIS coil 450a, 450b of arranging in fixing unit 400.OIS actuator can produce the electromagnetic force making Moving Unit 300 drive to horizontal direction.OIS actuator can produce the horizontal direction driving force of Moving Unit 300 in optics hand shaking compensates relative to fixing unit 400.
The drive magnet of AF actuator and the drive magnet of OIS actuator can be indivedual permanent magnets fixing on Moving Unit 300 or common permanent magnet.Use common permanent magnet can avoid compared with using indivedual permanent magnets is interfered the electromagnetic force produced to be distorted by magnetic force, it is possible to save installation space.Further, since the reduction of weight, it is possible to reduce the inertia of movable part Moving Unit 300, it is possible to reduce the power consumption of actuator.
Drive magnet 340a, 340b may be embodied on the 2nd direction of principal axis opposed facing a pair the 1st drive magnet 340a and on the 3rd direction of principal axis opposed facing a pair the 2nd drive magnet 340b.
In one embodiment, the side of drive magnet 340a, 340b can radially with AF coil 350 faced by.Above or the back side of drive magnet 340a, 340b can along faced by optical axis direction and OIS coil 450a, 450b.
OIS coil 450a, 450b can comprise with a pair 1OIS coil 450a faced by a pair the 1st drive magnet 340a and with a pair 2OIS coil 450b faced by a pair the 2nd drive magnet 340b.A plurality of OIS coils can be the pattern formed on substrate 490.Thus, it is possible to reduce the thickness of coil, and reduce the number of assembling procedure.
Accurate feedback control for OIS actuator, it is necessary to measure the means of Moving Unit 300 horizontal direction displacement.For this, it is possible to use sensor part (not shown).Sensor part is provided in fixing unit 400 and is in a fixed position, when OIS drives, it is possible to the magnetic force change of drive magnet 340a, 340b of detection movement.The magnetic force change of drive magnet 340a, 340b is proportional to the horizontal direction displacement of Moving Unit 300, and the signal therefore measured in sensor part can input the feedback signal into OIS coil 450a, 450b.
Sensor part, in order to independent detection is relative to the amount of movement of the 2nd axle and the 3rd axle, it is possible to comprise: after the amount of movement of detection the 1st drive magnet 340a, feed back to the 1st sensor part of 1OIS coil 450a；After the amount of movement of detection the 2nd drive magnet 340b, feed back to the 2nd sensor part of 2OIS coil 450b.
On the other hand, inside Moving Unit 300, it is necessary to be movably disposed lens coil frame portion 330 with optical axis direction, it is therefore desirable to support lens coil frame portion 330 in optical axis direction elasticity or support the means of lens coil frame portion 330 deadweight.As the elastomeric element in lens coil frame portion 330,1AF suspension and 2AF suspension (not shown) can be configured in mutually different position along optical axis direction.The reason configuring a pair AF suspension 310 in the direction of the optical axis is the distortion for preventing lens coil frame portion 330.
In one embodiment, AF suspension 310 can be formed by having elastic metallic plate.Now, a part for metallic plate is cut, in order to easily produce the flexural deformation on optical axis direction, thus can adjust the elastic characteristic of AF suspension 310.AF suspension 310 is to allow the 1st axial elastic deformation, and the shape that lens coil frame portion 330 moves can be suppressed to possess better along the 2nd axle and the 3rd direction of principal axis.This is to AF drive displacement or sagging or vibrations/impact displacement of conducting oneself with dignity, consistent with the light center that the camera model initial stage is arranged for the light center making lens coil frame portion 330.
On the other hand, Moving Unit 300 must be movably disposed relative to fixing unit 400, therefore need the means of Elastic force support Moving Unit 300 in the horizontal direction relative to fixing unit 400.And, also to support the deadweight of Moving Unit 300.At this.' deadweight ' be the state according to camera model can be optical axis direction vector, horizontal direction vector, by variforms such as the vectors of optical axis and the component synthesis of horizontal direction.In this embodiment, it is possible to configuration support means 110.
Support means 110 are to support Moving Unit 300 relative to fixing unit 400 movably to the direction of vertical optical axis.
In one embodiment, support means 110 can be included along the wire spring that optical axis extends.Support means 110 are configured does not stretch to optical axis direction, and is bent by shear strength.
Support means 110 are to restrain at certain position better relative to fixing unit 400 in the direction of the optical axis by Moving Unit 300.For this, one end of support means 110 can be fixed on Moving Unit 300, and the other end of support means 110 can be fixed on fixing unit 400.According to this embodiment, it is possible to the independent OIS of control drives and AF driving independently.Furthermore it is possible to support the deadweight of Moving Unit 300, it is possible to prevent the Moving Unit 300 distortion to inclined light shaft.And, support means 110 are the OIS drive displacement that limit allows Moving Unit 300, while may insure that the deadweight support of moving parts or impact/vibrations counter stress.
In one embodiment, support means 110 move along the surrounding of unit 300 and can arrange a plurality of.When Moving Unit 300 has the polyhedral shapes of quadrangle etc. in the plane, it is better that support means 110 are arranged in polygonal edge.The extending length of a plurality of support means 110 be all identical better.Thus, even if along with OIS drives the horizontal displacement producing Moving Unit 300, it is also possible to prevent the distortion in lens coil frame portion 330.
Moving Unit 300 can arrange AF suspension 310 for supporting lens coil frame portion 330 one end of fixing support means 110 in the direction of the optical axis movably.
As it has been described above, as metallic plate, AF suspension 310 can comprise metal material.This AF suspension 310 is necessary to make its lower thickness so that elasticity supports Moving Unit 300.However, it is difficult to make unlimited thinning of the thickness of AF suspension 310, it is therefore desirable to keep the state of suitable thickness to have the scheme of sufficiently resilient power.
In one embodiment, when one end of support means 110 is fixed on AF suspension 310, AF suspension 310 can extend to, from the 1st position P1 being connected to lens coil frame portion 330, the 2nd position P2 that these support means 110 connect.Now, in order to keep suitable thickness and provide enough elastic force, AF suspension 310 is as far as possible for long better.For this, the 1st position P1 and the 2 position is more remote more good.Meanwhile, on AF suspension 310 interval of P1 and P2 be cranky better.
As the scheme isolating P1 and P2 farther out, when supposing in the plane with four quadrants that the central shaft O of optical axis Z or Moving Unit 300 is axle, the 1st position P1 and the 2 position P2 may be located at mutually different quadrant.Such as, at the tetragonal Moving Unit 300 of Fig. 2, P1 and P2 can be only fitted near mutually different summit.
That is, connecting bridges 500 can be only fitted to four apex of fixing unit 400.Assuming that when connecting the dummy line L of non-conterminous two connecting bridges 500 mutually, cushion pad 495 forms line symmetric shape with described dummy line for axis of symmetry, then when OIS compensates can uniformly applied x-axis direction elastic withyDirection of principal axis is elastic.
At this, connecting bridges 500 is the general name making all means that the other end of support means 110 is connected to fixing unit 400 or substrate 490.Connecting bridges 500 can comprise at least one in damper portion 499, joint portion 497, cushion pad 495.Connecting bridges 500 can get involved with elastic material between the part that the other end of the other end of support means 110 and support means 110 connects.
In one embodiment, connecting bridges 500 is arranged on substrate 490, and can form the cushion pad 495 relaxing impact in substrate 490 part be equivalent to around connecting bridges 500.
Installation portion 491 diameter that the other end of support means 110 inserts can be bigger than the diameter of support means 110.The connecting bridges 500 that the other end of support means 110 is connected to installation portion 491 can along prominent to the direction of Moving Unit 300.
Joint portion 497 is by the other end electricity soldering of support means 110 or is combined on fixing unit 400 or substrate 490, and joint portion 497 can comprise scolding tin, conductive adhesive, electric conductivity adhesive tape etc..Joint portion 497 is the other end being combined in support means 110 with liquid condition, it is possible to hardening under applying ultraviolet state or room temperature state.The joint portion 497 of hardening can keep the gel state being equivalent to solid and liquid intermediateness.
In one embodiment, fixing unit 400 or substrate 490 configure the pattern 493 that electric power flows through.Described pattern 493 can be formed around the installation portion 491 arranging support means 110 other end.The other end of support means 110 is can be combined in installation portion 491 by the joint portion 497 comprising conductive material.
Damper portion 499 can face Moving Unit 300 and fixing unit 400 respectively to absorb vibrations or the impact of effect between Moving Unit 300 and fixing unit 400.Damper portion 499 is arranged on the face faced by fixing unit 400 and Moving Unit 300, then when vibrations occurring or impacts, it is possible to prevent the conflict of fixing unit 400 and Moving Unit 300.
In one embodiment, with reference to Fig. 2, damper portion 499 is to get involved with individual other part between Moving Unit 300 and fixing unit 400, can be formed by the elastic material of rubber, silicon adhesive, magnetic fluid, acrylic binding agent, rubber adhesive etc..The damper portion 499 of individual part mediatory type can be Korean nationality's long drum shape that most hollow circuit cylinder is connected.If damper portion 499 comprise as silicon adhesive, magnetic fluid, acrylic binding agent, rubber adhesive liquid phase material time, then damper portion 499 can be coated on fixing unit or joint portion 497 with liquid phase state.The damper portion 499 being coated with by joint portion 497 etc. can be had suitable damped coefficient and solidification by UV cured or thermmohardening etc..
When damper portion 499 occurs OIS to drive between Moving Unit 300 and fixing unit 400, freely allow the transverse direction displacement occurred when driving, and the impulsive force acted on optical axis direction or z-axis direction is absorbed when vibrations occurring or impacting, support means 110 can be made not damaged, or be buffered between Moving Unit 300 and fixing unit 400 impact of effect.There is the damper portion 499 whether individual part type of this function or at connecting bridges 500 layout type, it is possible to also harmless for any shape.
In one embodiment, with reference to Fig. 4, damper portion 499 can be coated on the connecting portion of nemaline support means 110 and substrate 490 etc..On the other hand, damper portion 499 can be the installation portion 491 that the other end of support means 110 is inserted or the other end of support means 110 that inserts at installation portion 491 around shape.So, even if damper portion 499 is arranged in support means 110 and the connecting portion of substrate 490, it is inserted in the space between Moving Unit 300 and fixing unit 400, it is also possible to absorb vibrations and the impact of effect between these.
Cushion pad 495 relaxes in the vibrations of joint portion 497 effect or impulsive force, just relaxes the partial load of binding site effect between support means 110 and substrate 490, in order to avoid these binding sites disrumpent feelings.In order to relax joint portion 497 effect vibrations or impulsive force, substrate 490 by cushion pad 495 around part can be formed by the thickness thinner than the other parts of substrate 490.
On the other hand, the cushion pad 495 preventing support means 110 disrumpent feelings can be formed at the 2nd position P.
The other end fixing the support means 110 of one end at Moving Unit 300 can be fixed in fixing unit 400.
AF coil 350 etc. can be set at Moving Unit 300 and need the parts of electric power.AF coil 350 can provide the driving force in lens coil frame portion 330 with optical axis direction, must accept electric power for this.
, can there are support means 110 as the factor that the fixing unit 400 and Moving Unit 300 that are arranged on external equipment are contacted in the camera model according to the present invention.Therefore, when the electric power that Moving Unit 300 needs is provided by the fixing unit 400 being connected to external equipment, support means 110 must provide the transport path to Moving Unit 300 as by this electric power.In order to form power delivery path, support means 110 can comprise conductive material.
Can arrange in fixing unit 400 and be formed with the substrate 490 providing electric power pattern 493, then to be fixed on this substrate 490 better for the other end of support means 110.
In one embodiment, can arrange the installation portion 491 of hole, the groove etc. that are inserted by the other end of support means 110 on substrate 490, then the pattern 493 of substrate 490 can extend to installation portion 491.According to this composition, utilize the joint portion of soldering etc. to fix support means 110 at installation portion 491, support means 110 can be electrically connected at pattern 493.The driving electric of AF coil can be supplied to AF coil 350 through pattern 493 and support means 110.
If one end of support means 110 is fixed on the AF suspension 310 that Moving Unit 300 configures, then AF suspension 310 the same as support means 110 also will as power delivery path.For this, AF suspension 310 comprises conductive material, it is possible to pad is connected to AF coil 350.
On the other hand, support means 110 necessarily be formed not stretch to optical axis direction, can produce elastic deformation to horizontal direction.And, support means 110 are set to produce the elastic deformation of horizontal direction in little space, therefore have sufficiently resilient wire shaped suitable.And, support means 110 must as power delivery path.
For this, support means 110 can have 90000～150000N/mm2Young's modulus (Young'smodulus).On the other hand, support means 110 can have the counteracting force (reactionforce) of 19～27mN.Support means 110 are diameters is that the wire shaped of more than 0.030mm below 0.130mm is better.Accordingly, because installation space is very narrow and small, it is possible to there is the diameter 100 microns thinner than the diameter of hair, and there is the sufficiently resilient of horizontal direction, and eliminate the length deformation of vertical direction.
In order to meet above-mentioned condition, support means 110 can comprise at least one in copper (Cu), stannum (Sn), phosphorus (P), beryllium (Be), nickel (Ni).And, in order to prevent the oxidation of support means 110, in support means 110 can coating stannum (tin), silver (silver), gold (gold), copper (copper) at least one.
Now, when the diameter of support means 110 is more than 0.080mm, the thickness of coating can be more than 0.5 μm in the scope meeting above-mentioned setting Young's modulus.If when the diameter of support means 110 is less than 0.080mm, the thickness of coating can be more than 0.3 μm in the scope of satisfied setting Young's modulus.
Fig. 3 is the substrate schematic diagram constituting camera model of the present invention.As reference, eliminate pattern 493 at Fig. 3.Content reference Fig. 2 or Fig. 4 about pattern 493.
In the present invention, support means 110 can be directly anchored on the substrate 490 of fixing unit 400 configuration.
At substrate 490 with reference to support means 110, but arrange on other works comparing embodiment time, this works to add the terminal that is connected with pattern 493 is set.Therefore, processing technology is likely to become complicated.And, even if arranging terminal at works, compared with directly fixing support means 110 with on the pattern 493 of substrate 490, simply reduce the reliability being electrically connected.
According to the present invention, the support means 110 as power delivery path are set directly on the substrate 490 with pattern 493, compared with comparing embodiment, it is possible to simplify processing technology, and improve the reliability of electric connection.
The pattern 493 flowing through electric power or the signal of telecommunication at substrate 490 can be formed around installation portion 491.Such as, the conglobate pattern 493 of shape, when being punched with drill bit etc. together with substrate at the center of this pattern 493, naturally can form pattern 493 around the hole being equivalent to installation portion 491.Installation portion 491 can comprise the hole running through substrate 490 or the groove formed at substrate 490.
On substrate 490, except the pattern 493 configured around installation portion 491, it is possible to form multiple patterns.
In one embodiment, substrate 490 can configure with horizontal direction, Moving Unit 300 is provided driving force OIS coil 450a, 450b.Now, pattern 493 can comprise: adjacent installation portion 491 and formed, and be electrically connected at the 1st pattern of AF coil 350；Isolate installation portion 491 and formed, and be electrically connected at the 2nd pattern of OIS coil 450a, 450b.
At substrate 490, can be formed around installation portion 491 and relax the cushion pad 495 impacted.When being applied in the impact exceeding allowed band, support means 110 are likely to disrumpent feelings.Especially, along optical axis direction be applied in impact time, support means 110 are likely to be easily separated from from installation portion 491.
As preventing this support means 110 by disrumpent feelings scheme, it is possible to use cushion pad 495 is to relax the impact that support means 110 are applied.
Substrate 490 can be provided the elasticity of optical axis direction by cushion pad 495.Exceed set point optical axis direction impact from support means pass on time, flexibly can be moved along optical axis direction by cushion pad 495 installation portion 491.That is, the elastic force of substrate 490 is utilized can to reduce the great of the disrumpent feelings support means 110 of energy by cushion pad 495.Thus, it is possible to prevent the disrumpent feelings of support means 110.
By cushion pad 495, installation portion 491 can be supported with optical axis direction movably by substrate 490.But, if lacking one in 2 cushion pads 495 of configuration in Fig. 3, then, when external impact exists, installation portion 491 cannot move along optical axis direction, it is possible to moves to the direction of inclined light shaft.Prevent support means by disrumpent feelings function it is thereby possible to weaken.
In order to solve this problem, it is assumed that when being connected to the dummy line of place that substrate and optical axis meet and installation portion, the line symmetric shape that it is axis of symmetry with dummy line that cushion pad 495 is likely to be formed.It is formed with 2 cushion pads 495 in figure 3 to meet above-mentioned condition.Cushion pad 495 can the form of hole or groove extend along the 2nd axle or the 3rd axle, and mixing extending direction does not hinder yet.
Fig. 4 is the substrate side surfaces schematic diagram constituting camera model of the present invention.
The diameter of installation portion 491 is likely larger than the diameter of support means 110.And, support means 110 can be only fitted to the center of installation portion 491, in order to installation portion 491 noncontact.And, the other end of support means 110 joint portion 497 by getting involved between installation portion 491 and support means 110, it is possible to be incorporated into installation portion 491.
Joint portion 497 is not rigid body, and is to maintain gluey state, thus fixes in the scope of support means 110 at installation portion 401, it is possible to make support means 110 freely wave (swing).It addition, joint portion 497 can to the effect absorbed in the still unmitigated impact of cushion pad 495.As it has been described above, by cushion pad 495, joint portion 497, it is possible to embody first to absorb at cushion pad 495 and impact, secondly absorb in joint portion 497 and impact, absorb 2 grades impacted with 2 steps and absorb impact effect.Thus, it is possible to be reliably prevented the disrumpent feelings of support means 110.
It is likely to be difficult to fix support means 110 forcefully with the joint portion 497 of gluey state.For this, joint portion 497 can be combined in installation portion 491 along to the direction of Moving Unit 300 with the height of prominent substrate 490 sufficiently.
Support means 110 as when supplying the transport path of electric power to Moving Unit 300, and joint portion 497 can comprise the conductive material of stannum etc..
As it has been described above, the pattern 493 in substrate 490 formation can formation around installation portion 491.The other end of support means 110 can be incorporated into installation portion 491 by the joint portion 497 comprising conductive material.Now, as shown in Figure 4, joint portion 497 can combine together with installation portion 491 and pattern 493.That is, by combined process once, support means 110 can be fixed on installation portion 491, be electrically connected at pattern 493 simultaneously.
On the other hand, damper portion 499 can be configured in fixing unit 400 in the face of the face of Moving Unit 300.Damper portion 499 is possible to prevent fixing unit 400 and Moving Unit 300 directly to conflict, thus the fixing unit 400 of protection or Moving Unit 300.And, fixing unit 400 and Moving Unit 300 conflict refer to that the distance between two is close, here it is refer to support means 110 severe bends.Therefore, by preventing the damper portion 499 of directly conflict to be possible to prevent support means 110 severe bends, thus protecting support means 110..
Damper portion 499 can comprise elastomeric element to protect fixing unit 400 and Moving Unit 300.
Now, damper portion 499 can be arranged on fixing unit 400 in the face of any part of Moving Unit 300.Especially, damper portion 499 is set to be centered around the other end of the support means 110 that installation portion 491 is arranged and installation portion 491 is better.
In one embodiment, damper portion 499 can be coated with or the form of lamination is arranged on joint portion 497 and support means 110.Damper portion 499 according to this composition, it is possible to increase the bonding strength of joint portion 497 and support means 110.Thus, it is possible to be effectively prevented the disrumpent feelings of support means 110.Furthermore, it is possible to save damping material according to joint portion 497 volume prominent to Moving Unit 300, and form damper portion 499 with the height needed.
Above, it is illustrated according to embodiments of the invention, but these are embodiment.Every have skill will appreciate that of usual knowledge in the art and can implement the embodiment of various deformation and equivalency range from these.Therefore, the real technical protection scope of the present invention should be defined by the scope of the claims recorded.
Claims (12)
1. a camera model, it is characterised in that comprise:
The Moving Unit that lensed lens coil frame portion is movably disposed to optical axis direction will be installed；
From the fixing unit that described Moving Unit is isolated；And
Extending along described optical axis, one end is fixed on described Moving Unit, and supports the support means that described Moving Unit moves to the horizontal direction being perpendicular to described optical axis,
Wherein, on the substrate that the other end of described support means is fixed on described fixing unit or described fixing unit possesses.
2. camera model according to claim 1, it is characterised in that
With described optical axis direction, described lens coil frame portion is provided the AF coil of driving force in the configuration of described Moving Unit,
Described support means comprise conductive material,
In described fixing unit or described substrate, the pattern of electric power is flow through in configuration,
The driving electric of described AF coil is to be supplied to described AF coil through described pattern and described support means.
3. camera model according to claim 1, it is characterised in that
Described Moving Unit arranges AF suspension for supporting described lens coil frame portion on described optical axis direction movably, and one end of fixing described support means,
Described AF suspension comprises conductive material, and is electrically connected at the AF coil that described lens coil frame portion provides driving force with described optical axis direction.
4. camera model according to claim 1, it is characterised in that comprise
The substrate that described fixing unit or described fixing unit configure connects the connecting bridges of the other end of described support means,
Described connecting bridges is to get involved between the part that the other end of described support means and the other end of described support means connect with elastic material.
5. camera model according to claim 1, it is characterised in that
In described fixing unit or described substrate, the pattern of electric power is flow through in configuration,
Described pattern is formed around the installation portion that the other end of described support means is arranged,
The other end of described support means, by the joint portion containing conductive material, is combined in described installation portion.
6. camera model according to claim 1, it is characterised in that
Configure the OIS coil that with described horizontal direction, described Moving Unit is provided driving force on the substrate,
Pattern is formed around the installation portion that the other end of described support means is arranged,
Described pattern is adjacent described installation portion and is formed, and comprises the 1st pattern being electrically connected at described AF coil, and isolates described installation portion and formed, and is electrically connected at the 2nd pattern of described OIS coil.
7. camera model according to claim 1, it is characterised in that
The diameter of the installation portion that the other end of described support means inserts is bigger than the diameter of described support means,
The connecting bridges that the other end of described support means is connected to described installation portion is along prominent to the direction of described Moving Unit.
8. camera model according to claim 1, it is characterised in that comprise
It is arranged on described fixing unit and the face on described Moving Unit opposite, and prevents described fixing unit and the damper portion of described Moving Unit conflict.
9. camera model according to claim 8, it is characterised in that
Installation portion that described damper portion is inserted around the other end of described support means or the other end of described support means inserted at described installation portion.
10. camera model according to claim 1, it is characterised in that comprise
In the connecting bridges of described fixing unit or the other end connecting described support means on the substrate of described fixing unit configuration,
Described connecting bridges configures on the substrate,
Formed in the described substrate portion be equivalent to around described connecting bridges and relax the cushion pad impacted.
11. camera model according to claim 10, it is characterised in that
Described connecting bridges is arranged in four apex of described fixing unit,
Assuming that when connecting the dummy line of non-conterminous two described connecting bridges mutually, described cushion pad forms line symmetric shape with described dummy line for axis of symmetry.
12. camera model according to claim 1, it is characterised in that
Described support means comprise at least one in copper (Cu), stannum (Sn), phosphorus (P), beryllium (Be), nickel (Ni), and its diameter is the wire shaped of more than 0.030mm, below 0.130mm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140147686A KR101657513B1 (en) | 2014-10-28 | 2014-10-28 | Camera module |
| KR10-2014-0147686 | 2014-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105717601A true CN105717601A (en) | 2016-06-29 |
Family
ID=56109297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410718121.XA Pending CN105717601A (en) | 2014-10-28 | 2014-12-01 | Camera module with support means |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101657513B1 (en) |
| CN (1) | CN105717601A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019003148A (en) * | 2017-06-19 | 2019-01-10 | ミツミ電機株式会社 | Lens driving device, camera module, and camera mounting device |
| CN110662999A (en) * | 2017-04-06 | 2020-01-07 | Lg伊诺特有限公司 | Lens driving unit, and image pickup device module and optical device including the same |
| CN110955011A (en) * | 2018-09-26 | 2020-04-03 | 苹果公司 | Damper arrangement for actuator damping |
| EP4095599A4 (en) * | 2020-01-20 | 2024-02-28 | Lg Innotek Co Ltd | Lens driving device, and camera module and optical device including same |
| CN114167566B (en) * | 2017-04-06 | 2024-04-30 | Lg伊诺特有限公司 | Lens driving unit, and image pickup device module and optical device including the same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102400118B1 (en) * | 2017-08-14 | 2022-05-19 | 엘지이노텍 주식회사 | A lens moving unit, and camera module and optical instrument including the same |
| KR102414104B1 (en) * | 2017-04-06 | 2022-06-29 | 엘지이노텍 주식회사 | A lens moving unit, and camera module and optical instrument including the same |
| US20230408735A1 (en) * | 2020-11-02 | 2023-12-21 | Micro Actuator Co., Ltd. | Lens assembly |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102466942A (en) * | 2010-11-03 | 2012-05-23 | 三星电机株式会社 | Image photographing device having function for compensation hand vibration |
| CN102955324A (en) * | 2011-08-24 | 2013-03-06 | 三美电机株式会社 | Lens holder driving device, video camera module and portable terminal with video camera |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007171234A (en) | 2005-12-19 | 2007-07-05 | Samsung Electronics Co Ltd | Device for correcting camera shake and method therefor |
| JP5849830B2 (en) * | 2012-03-30 | 2016-02-03 | ミツミ電機株式会社 | Lens holder driving device, camera module, and portable terminal with camera |
-
2014
- 2014-10-28 KR KR1020140147686A patent/KR101657513B1/en active IP Right Grant
- 2014-12-01 CN CN201410718121.XA patent/CN105717601A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102466942A (en) * | 2010-11-03 | 2012-05-23 | 三星电机株式会社 | Image photographing device having function for compensation hand vibration |
| CN102955324A (en) * | 2011-08-24 | 2013-03-06 | 三美电机株式会社 | Lens holder driving device, video camera module and portable terminal with video camera |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11671688B2 (en) * | 2017-04-06 | 2023-06-06 | Lg Innotek Co., Ltd. | Camera module having extended support members for reduced power consumption |
| CN114167566A (en) * | 2017-04-06 | 2022-03-11 | Lg伊诺特有限公司 | Lens driving unit, and image pickup device module and optical device including the same |
| JP2020513116A (en) * | 2017-04-06 | 2020-04-30 | エルジー イノテック カンパニー リミテッド | Lens driving device, camera module and optical device including the same |
| CN114167567A (en) * | 2017-04-06 | 2022-03-11 | Lg伊诺特有限公司 | Lens driving unit, and image pickup device module and optical device including the same |
| CN110662999B (en) * | 2017-04-06 | 2021-12-24 | Lg伊诺特有限公司 | Lens driving unit, and image pickup device module and optical device including the same |
| US11223752B2 (en) | 2017-04-06 | 2022-01-11 | Lg Innotek Co., Ltd. | Camera module having extended support members for reduced power consumption |
| JP7039612B2 (en) | 2017-04-06 | 2022-03-22 | エルジー イノテック カンパニー リミテッド | Lens drive device, camera module including this, and optical equipment |
| CN114167567B (en) * | 2017-04-06 | 2024-05-03 | Lg伊诺特有限公司 | Lens driving unit, and image pickup device module and optical device including the same |
| CN110662999A (en) * | 2017-04-06 | 2020-01-07 | Lg伊诺特有限公司 | Lens driving unit, and image pickup device module and optical device including the same |
| US20220078315A1 (en) * | 2017-04-06 | 2022-03-10 | Lg Innotek Co., Ltd. | Camera module having extended support members for reduced power consumption |
| CN114167566B (en) * | 2017-04-06 | 2024-04-30 | Lg伊诺特有限公司 | Lens driving unit, and image pickup device module and optical device including the same |
| JP2019003148A (en) * | 2017-06-19 | 2019-01-10 | ミツミ電機株式会社 | Lens driving device, camera module, and camera mounting device |
| US11119333B2 (en) | 2018-09-26 | 2021-09-14 | Apple Inc. | Damper arrangement for actuator damping |
| US11681158B2 (en) | 2018-09-26 | 2023-06-20 | Apple Inc. | Damper arrangement for actuator damping |
| CN110955011B (en) * | 2018-09-26 | 2022-06-03 | 苹果公司 | Damper arrangement for actuator damping |
| CN110955011A (en) * | 2018-09-26 | 2020-04-03 | 苹果公司 | Damper arrangement for actuator damping |
| EP4095599A4 (en) * | 2020-01-20 | 2024-02-28 | Lg Innotek Co Ltd | Lens driving device, and camera module and optical device including same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101657513B1 (en) | 2016-09-27 |
| KR20160054636A (en) | 2016-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105717601A (en) | Camera module with support means | |
| US20220155610A1 (en) | Optical image stabilization (ois) unit of a camera module | |
| US11215789B2 (en) | Lens driving apparatus, and camera module and optical device comprising same | |
| JP6199398B2 (en) | The camera module | |
| US9491364B2 (en) | Camera module | |
| US8717487B2 (en) | Camera module with compact sponge absorbing design | |
| US9007520B2 (en) | Camera module with EMI shield | |
| US9001268B2 (en) | Auto-focus camera module with flexible printed circuit extension | |
| CN103814328B (en) | Camera module | |
| CN102809798B (en) | Lens mount driving means | |
| JP6705992B2 (en) | Lens drive device, camera module, and camera mounting device | |
| JP6842046B2 (en) | Lens drive, camera module, and camera mount | |
| US11415861B2 (en) | Lens driving apparatus, and camera module and optical device comprising same | |
| US20220206308A1 (en) | Lens driving device, and camera module and optical device comprising same | |
| TW201415970A (en) | Auto-focus camera module with flexible printed circuit extension | |
| CN104614916A (en) | Ois camera module | |
| US20140043524A1 (en) | Auto-Focus Camera Module with Interior Conductive Trace | |
| US20230024071A1 (en) | Lens driving device, and camera module and optical device comprising same | |
| CN105527775A (en) | Camera module containing support means | |
| US20220285064A1 (en) | Lens driving device, camera module, and optical device | |
| CN115706503A (en) | Motor assembly for driving lens assembly and camera module | |
| KR20190136270A (en) | A lens moving unit, and camera module and optical instrument including the same | |
| US20230176318A1 (en) | Lens driving device, and camera module and optical device including same | |
| KR102459268B1 (en) | A camera module and optical apparatus having the same | |
| US20230324765A1 (en) | Lens driving device, and camera module and optical device comprising same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160629 |