CN106303264A - Controllable motor and the camera module of rapid focus sensor and control method is tilted based on camera lens - Google Patents
Controllable motor and the camera module of rapid focus sensor and control method is tilted based on camera lens Download PDFInfo
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- CN106303264A CN106303264A CN201610962269.7A CN201610962269A CN106303264A CN 106303264 A CN106303264 A CN 106303264A CN 201610962269 A CN201610962269 A CN 201610962269A CN 106303264 A CN106303264 A CN 106303264A
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- 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
- H04N23/67—Focus control based on electronic image sensor signals
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- 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
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
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- 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
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- Studio Devices (AREA)
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Abstract
Controllable motor and the camera module of rapid focus sensor and control method is tilted based on camera lens, relate to microcam module technical field, solve camera lens initial makeup location error or owing in the camera lens moving process required for auto-focusing and produced additional parasitic deflects after move problem, including focusing motor and phase place auto-focusing imageing sensor；Described focusing motor includes motor stator and the motor rotor being located in motor stator, motor rotor includes objective carrier, is provided with more than three groups the electromagnetic driver that the tilted deflecting of the X-direction and Y-direction that drive lens assembly to move in parallel and be perpendicular to this axis along the axis being perpendicular to phase place auto-focusing imageing sensor moves between objective carrier lateral wall and motor stator inwall.The production automation equipment requirements of PDAF photographic head can be reduced, simplify rear end debugging alignment technique and technological requirement, thus improve production yield and reduce production cost.
Description
Technical field
The present invention relates to microcam module technical field, particularly with regard to the high pixel used in smart mobile phone
The structure of highly integrated camera module and control method.
Background technology
The integrated photographic head of high pixels tall becomes increasingly popular the quality so that mobile phone photograph increasingly in smart mobile phone
Close to even surmounting ordinary digital camera.For ordinary digital camera, owing to its volume size space can allow more greatly more multiple
Miscellaneous light path and sensor and drive mechanism such that it is able to optical anti-vibration structure and phase detection sensor are set to realize light
Learn stabilization and the function of the fast automatic focusing of phase-detection.But the mobile phone camera of high pixel does not but contain general digital phase
Some of machine optically and mechanically parts.Disappearance on this hardware, can allow the effect of taking pictures of shooting mobile phone compare digital camera undoubtedly
Difference, focusing speed is also quick not as ordinary digital camera simultaneously.Specifically, the most only one of which of current shooting mobile phone is automatic
Focusing motor realizes nearly burnt remote burnt translation function, to the control of camera lens be at most one-dimensional degree make camera lens closer or far from image
Sensor.Although the technology of automatic focusing camera module is the most ripe now and obtains extensively application.But, present intelligence
The resolution of the imageing sensor of mobile phone camera is more and more higher, in the mobile phone of some top grades, more than the figure of 10,000,000 pixels
As sensor is the most universal.When the resolution of imageing sensor is the highest, owing to the shake of staff etc. makes image of taking pictures
Undue fuzzy and cause picture quality to decline, under the environment such as the lowest light, the effect of jitter of staff becomes apparent from.
For above problems, in order to make the photographic effect of shooting mobile phone draw close to digital camera further, Bu Shaoguo
The well-known mobile phone focusing motor manufacturer in border all starts to research and develop three axle optical anti-vibration and autofocus motors, and research and development smart mobile phone
Phase-detection Autofocus Technology in photographic head module.
Phase-detection auto-focusing in smart mobile phone photographic head module (Phase Detection Auto Focus,
PDAF) it is a kind of detection phase unit by being embedded in imageing sensor, quick and precisely determines direction and position that camera lens moves
Put, thus realize a kind of new technique of rapid focus (referring to application number along camera lens axial direction moving lens
201280048151.3 application for a patent for invention).Smart mobile phone photographic head module has through being specifically embedded in imageing sensor
Detection phase unit detection phase signal by Upper Processor calculating process after can quickly find suitable focusing position
Reach the function of rapid focus.Phase-detection auto-focusing (PDAF) is the most slow as the new technique of a kind of smart mobile phone photographic head
The reason failing to dominate the market rapidly is, PDAF photographic head still has no small difficulty, general module in manufacturing link
Factory still can run into the problems such as the biggest production yield, automatization's rear end equipment and new process capability.On the one hand, at intelligence hands
In the manufacture process of the assembling of machine photographic head, for imageing sensor, the depth of parallelism of focusing motor and camera lens etc. and central coaxial
The assembly parameters such as degree require high.Therefore, PDAF photographic head must need to use high-precision active optics to calibrate (Active
Alignment, AA) equipment participates in producing, and this equipment price costliness also implies that the automated production to module producer
Equipment requirements high, otherwise can strong influence yield and production efficiency.Still further aspect, common AF motor only one of which
Controlling the focusing coil that camera lens moves forward and backward along optical axis direction, camera lens can have the parasitic banking motion being difficult to avoid that during the course
Thus cause the detecting signal of phase place detection unit disorderly and be not used to focusing and calculate, thus to the quality of AF motor and performance
Require the most high etc. each side.Meanwhile, the photographic head scheme as rapid focus is also required to AF motor and can quickly respond.Thus
Visible, apply the focusing motor driving motor non-generic on PDAF photographic head module just can complete.Study carefully its this several sides
The difficulty in face, in the production yield of PDAF photographic head, production automation equipment requirements (namely production cost) and rear end debugging
The aspect challenges such as alignment technique and means (the newest process capability and production efficiency) are high so that be difficult to popularization and application.
Deflection etc. due to camera lens can affect the phase detection signal of phase-detection imageing sensor, so optical anti-vibration is also
It is difficult to apply simultaneously to smart mobile phone photographic head module with phase detection sensor.
Summary of the invention
In sum, the invention aims to solve: 1, fuzzy the asking of picture quality caused due to hand tremor
Topic；2, camera lens initial makeup location error or due in the camera lens moving process required for auto-focusing and moved rear institute
The problem of the detecting signal disorder of the imageing sensor phase place detection unit that the additional parasitic deflection produced brings；3, auto-focusing
In Shi Jingtou moving process or camera lens moved after produce extra parasitic deflection and fuzzy the asking of picture quality that cause
Topic；4, the problem that complex manufacturing yield is low, and propose a kind of based on camera lens inclination controllable motor and rapid focus sensor
Camera module and control method.
For solving technical problem proposed by the invention, the technical scheme of employing is:
Tilt controllable motor and the camera module of rapid focus sensor based on camera lens, include focusing motor and be located at focusing horse
Reach the phase place auto-focusing imageing sensor of bottom；Described focusing motor includes motor stator and the horse being located in motor stator
Reach rotor, it is characterised in that: described motor rotor includes objective carrier, is located at lens assembly in objective carrier, outside objective carrier
It is provided with between wall and motor stator inwall more than three groups and drives lens assembly along being perpendicular to phase place auto-focusing imageing sensor
Axis moves in parallel and is perpendicular to the X-direction of this axis and the electromagnetic driver of the tilted deflecting motion of Y-direction, and objective carrier is permissible
Carry out the motion relative to stator at least three degree of freedom.
Echnical solution as defined further in the present invention includes:
Described each electromagnetic driver includes the coil being located on objective carrier lateral wall and is located at motor stator inwall and line
One group of Magnet that circle is corresponding, the side that described Magnet is corresponding with coil comprises the different upper magnetic pole strength being distributed up and down of polarity and lower magnetic
Pole-face.
Described motor stator is provided with metal terminal, and the coil of more than three groups electromagnetic driver horses is by flexibly connecting electricity
Road is electrically connected with the metal terminal on motor stator.
Often group Magnet is located at the position between two adjacent groups coil, and four groups of Magnet of four groups of electromagnetic drivers are respectively arranged on
The inwall corner location of motor stator.
Described often group Magnet is one piece and comprises one side bipolar magnet.
Or, described often group Magnet is made up of two pieces of Magnet Side by side groupings, and the pole orientation of two blocks of Magnet is contrary.
Described lens assembly is monolithic camera lens or lens group；The top and bottom of objective carrier respectively by upper shell fragment and under
Shell fragment is connected with motor stator elasticity.
Described motor stator includes base, metal cap and outer housing；Base coordinates fastening, lower shell fragment to be pressed from both sides with metal cap
Holding and be fixed between base and metal cap, base is fixed with metal terminal, base upper surface is provided with four groups of electromagnetism of electric connection
Driver flexibly connects circuit with metal terminal；Metal cap is located in outer housing, and upper shell fragment is clamped and fixed in metal cap top
Between face and outer housing top inner wall.
It is provided with Upper gasket between described upper shell fragment and metal cap top end face.
The control method of described camera module, it is characterised in that described control method includes:
Focusing control method, drives lens assembly to pass along being perpendicular to phase place auto-focusing image by controlling each group of electromagnetic driver
The axis of sensor moves in parallel realization；
Optical anti-vibration control method, by controlling each group of electromagnetic driver, makes each group of electromagnetic driver admittedly produce magnetic deviation, thus
Drive lens assembly along be perpendicular to described axis X-direction and or the tilted deflecting of Y-direction move realization；
Parasitic deflection control method, the phase place letter detected according to the phase place detection unit of phase place auto-focusing imageing sensor
Breath, controls each group of electromagnetic driver, makes each group of electromagnetic driver admittedly produce the magnetic deviation of correspondence, thus drives lens assembly along hanging down
Directly in described axis X-direction and or the tilted deflecting of Y-direction, compensate and eliminate initial makeup location and focusing translated
Journey translates the parasitic yaw motion of rear lens, to ensure the phase place detection unit of phase place auto-focusing imageing sensor with focusing
The phase information detected meets preset value；
Stabilization rapid focus control method, by controlling each group of electromagnetic driver, drives lens assembly automatic along being perpendicular to phase place
The axis of focus image sensor move in parallel and along be perpendicular to described axis X-direction and or Y-direction tilted deflecting fortune
Dynamic, phase place auto-focusing imageing sensor detection phase information parameter table is compensated elimination optical anti-vibration to phase place auto-focusing
The impact of imageing sensor detection phase information, thus realize optical anti-vibration and rapid focus control.
The invention have the benefit that the present invention is fast based on controlled mirror head tilt formula optical anti-vibration motor and phase-detection
The microcam module of speed focus image sensor, can coordinate gyrocompass motion sensors and optical anti-vibration motor driver etc.
Parts use, and are provided with each group of Electromagnetic Drive between lateral wall and the motor stator inwall by control four different directions of objective carrier
Device, thus drive lens assembly to move in parallel and be perpendicular to this axis along the axis being perpendicular to phase place auto-focusing imageing sensor
X-direction and Y-direction tilted deflecting motion.The production automation equipment requirements of PDAF photographic head can be reduced, simplify rear end
Debugging alignment technique and technological requirement, thus improve production yield and reduce production cost.Control method of the present invention can be real
Existing PDAF is compatible with optical anti-vibration function so that smart mobile phone camera module has the function of optical anti-vibration and PDAF simultaneously,
Thus improve smart mobile phone of taking pictures greatly and take pictures etc. at rapid focus and stabilization the Consumer's Experience of aspect.
Accompanying drawing explanation
Fig. 1 is the perspective view of the present invention；
Fig. 2 is the decomposition texture schematic diagram of the present invention；
Fig. 3 is the structural principle schematic diagram of the focusing motor of the present invention；
Fig. 4 is the lens assembly initial position one of the present invention；
Fig. 5 is the lens assembly initial position two of the present invention；
Fig. 6 be the present invention lens assembly auto-focusing during or auto-focusing complete rear lens time parasitic deflection state occurs
Schematic diagram；
Fig. 7 be the present invention lens assembly auto-focusing during or auto-focusing complete after illustrated by the state after deflection compensated
Figure；
Fig. 8 is principle schematic during four groups of electromagnetic drivers generation magnetic deviations of the present invention；
Fig. 9 is the principle schematic that the present invention is applied in smart mobile phone；
Figure 10 is operation principle schematic diagram when lens assembly of the present invention inclination and focusing moving displacement；
Figure 11 is that phase place auto-focusing imageing sensor detects phase information parameter table.
Detailed description of the invention
Below in conjunction with accompanying drawing and currently preferred specific embodiment, the structures and methods of the present invention are said further
Bright.
Shown in Fig. 8, the present invention tilts controllable motor and the shooting mould of rapid focus sensor based on camera lens
Group, includes focusing motor 1 and is located at the phase place auto-focusing imageing sensor 2 bottom focusing motor 1.For convenience of description,
Be perpendicular to phase place auto-focusing imageing sensor axis as Z axis, be perpendicular to the X-direction of this axis and Y-direction then for X-axis and
Y-axis, the plane that X-axis is constituted with Y-axis is parallel to phase place auto-focusing imageing sensor sensitive surface.The focusing motor 1 of the present invention is used
Move in parallel along Z axis in the lens assembly driving optical imagery, or around X-axis canted off axis, or around Y-axis canted off axis, or this three
Two or three planted in motion is carried out simultaneously.Phase place auto-focusing imageing sensor 2 is embedded with detection phase for existing one
The imageing sensor of bit location, can quick and precisely determine direction and position that lens assembly moves, for the driving control of focusing motor
System provides signal foundation.
The concrete structure of focusing motor 1 includes motor stator 11 and the motor rotor 12 being located in motor stator 11.
Motor rotor 12 includes objective carrier 121, is located at lens assembly 122 in objective carrier 121, and lens assembly 122 is permissible
For monolithic camera lens, it is also possible to for the lens group of multi-disc camera lens composition；The top and bottom of objective carrier 121 are respectively by upper shell fragment
123 and lower shell fragment 124 and motor stator 11 elasticity is connected, the lateral wall of 121 3 different directions of objective carrier and motor stator 11
Be provided with between inwall three groups drive lens assemblies 122 to move in parallel along the axis being perpendicular to phase place auto-focusing imageing sensor and
It is perpendicular to the X-direction of this axis and the electromagnetic driver 125 of the tilted deflecting motion of Y-direction；It is preferably objective carrier 121 4 not
Being provided with three groups between equidirectional lateral wall and motor stator 11 inwall drives lens assembly 122 along being perpendicular to phase place auto-focusing
The axis of imageing sensor moves in parallel and is perpendicular to the X-direction of this axis and the Electromagnetic Drive of the tilted deflecting motion of Y-direction
Device 125.
Each electromagnetic driver 125 includes the coil 1251 being located on objective carrier 121 lateral wall and is located at motor stator
One group of Magnet 1252 that 11 inwalls are corresponding with coil 1251, the side that described Magnet 1252 is corresponding with coil 1251 comprises polarity phase
The different upper magnetic pole strength being distributed up and down and lower magnetic pole face, as shown in Figure 3.The most often group Magnet 1252 can be one piece and comprises one side
Bipolar magnet；Can also be to be made up of two pieces of Magnet Side by side groupings, the pole orientation of two blocks of Magnet be contrary.In order to save this
The overall volume of invention, often group Magnet 1252 is located at the position between two adjacent groups coil 1251, and four groups of electromagnetic drivers
Four groups of Magnet 1252 are respectively arranged on the inwall corner location of motor stator 11.
Powering for the ease of the coil 1251 for four electromagnetic drivers 125, do not affect simultaneously, motor rotor 12 moves,
Can be powered by upper shell fragment 123 and lower shell fragment 124, it is also possible on motor stator 11, be provided with metal terminal 110, four groups of electromagnetism
The coil 1251 of driver horse is electrically connected with the metal terminal 110 on motor stator 11 by flexibly connecting circuit 126.
The concrete structure of motor stator 11 includes base 111, metal cap 112 and outer housing 113；Base 111 and metal cap
112 coordinate fastening, and lower shell fragment 124 is clamped and fixed between base 111 and metal cap 112, and metal terminal 110 is fixed on base
On 111, flexibly connect metal terminal 110 and four groups of electromagnetic drivers that circuit 126 is electrically connected with on base 111；Metal cap 112
Being located in outer housing 113, upper shell fragment 123 is clamped and fixed between metal cap 112 top end face and outer housing 113 top inner wall.According to
Need to be provided with Upper gasket 114 between upper shell fragment 123 and metal cap 112 top end face, it is achieved electrically isolate.
The control method of the above-mentioned camera module of the present invention, includes: focusing control method, optical anti-vibration control method, post
Raw deflection control method and stabilization rapid focus control method.
Focusing control method, drives lens assembly 122 the most right along being perpendicular to phase place by controlling four groups of electromagnetic drivers
The axis of burnt imageing sensor moves in parallel realization；
Optical anti-vibration control method, by controlling four groups of electromagnetic drivers, makes four groups of electromagnetic drivers admittedly produce magnetic deviation, thus
Drive lens assembly along be perpendicular to described axis X-direction and or the tilted deflecting of Y-direction move realization；
Parasitic deflection control method, the phase place letter detected according to the phase place detection unit of phase place auto-focusing imageing sensor
Breath, controls four groups of electromagnetic drivers, makes four groups of electromagnetic drivers admittedly produce the magnetic deviation of correspondence, thus drives lens assembly along hanging down
Directly in described axis X-direction and or the tilted deflecting of Y-direction, compensate and eliminate initial makeup location and focusing translated
Journey translates the parasitic yaw motion of rear lens, to ensure the phase place detection unit of phase place auto-focusing imageing sensor with focusing
The phase information detected meets preset value；
Stabilization rapid focus control method, by controlling four groups of electromagnetic drivers, drives lens assembly automatic along being perpendicular to phase place
The axis of focus image sensor move in parallel and along be perpendicular to described axis X-direction and or Y-direction tilted deflecting fortune
Dynamic, phase place auto-focusing imageing sensor detection phase information parameter table is compensated elimination optical anti-vibration to phase place auto-focusing
The impact of imageing sensor detection phase information, thus realize optical anti-vibration and rapid focus control.
That is to say present invention optical anti-vibration motor based on a kind of controlled mirror head tilt, one can detect phase place auto-focusing
Imageing sensor, utilizes four electromagnetic drivers that four coils and four pairs of Magnet are constituted, and in cooperation, shell fragment, lower shell fragment form one
Individual three-dimensional freedom microcam lens driving motor, by controlling the electromagnetic actuation force of four electromagnetic drivers respectively, real
The tilted deflecting that existing camera lens moved in parallel and be perpendicular to this axis both direction along the axis being perpendicular to imaging sensor moves.Logical
Cross moving in parallel of lens assembly and realize automatic focusing function.Realize optical anti-vibration by the deflection of lens assembly to move.Logical
Cross the deflection of lens assembly and compensate and eliminate in initial makeup location and focusing translation motion and the posting of focusing translation rear lens
Raw yaw motion, and ensure that the detecting signal of imageing sensor phase place detection unit meets answering of phase place focus image sensor
With requiring.By deflection lens and focusing motion, the related table of PDAF imageing sensor detection phase information skew is compensated
Eliminate optical anti-vibration and on the impact of PDAF imageing sensor detection phase information thus realize optical anti-vibration and PDAF image sensing
The compatibility of device fast phase focus function.
Automatization's debugging system of focusing motor solves the problem that complex manufacturing yield is low, reduces PDAF photographic head
Production automation equipment requirements, simplify rear end debugging alignment technique and technological requirement, improve and produce yield, reduce and produce into
This.
The algorithm dynamic by optical anti-vibration drives lens assembly to realize optics according to gyroscope detection motor message accordingly
Stabilization.
Conventional technology generally requires common the most right at camera lens in terms of the process of the error of initial makeup location
Optics autoalign unit (AA machine) and the technique stream of complexity thereof of costliness is increased on the basis of the technological process of production of burnt module
Journey, the parasitic tilted deflecting being difficult to avoid that in camera lens moving process motion then needs by high-precision through special detection screening
The AF motor of degree realizes, and the technological process of expensive equipment and complexity that these several respects relate to complexity makes PDAF intelligence hands
The production cost of machine photographic head module is high and yield is extremely low.Meanwhile, the auto-focusing smart mobile phone photographic head of high pixel is usually
Have and cause image blurring problem because of hand tremor.The production automation equipment requirements at PDAF photographic head of these several respects and
Rear end debugging alignment technique requires high with means, causes it to produce yield and efficiency is the lowest so that PDAF smart mobile phone is taken the photograph
As head is difficult to popularization and application.By contrast, camera module of the present invention and control method can be in the productions of common auto-focusing module
Without increasing special equipment and technological process on the basis of technological process, it is merely by existing a set of automated optical stabilization
Correction systems soft ware (Auto Turner, AT) just can complete.
The present invention is capable of the flexible compatible of smart mobile phone photographic head module, it is not necessary to the particularly input of automation equipment
The technological process complicated with increase, can be greatly improved production yield and the efficiency of photographic head, can have simple in construction simultaneously, integrated
Degree height, the features such as selected number of parts is less, price economy, the release of the present invention will enable OIS+PDAF smart mobile phone is taken the photograph
As head is capable of the great application value of volume production.
Ginseng is lower with reference to Fig. 4 to Figure 11, remakes the principle of the present invention and illustrates further.
With reference to Fig. 4 and Fig. 5, due to processing or rigging error, at motor rotor 12 at initial position it is possible to have phase
Angle of inclination is existed for phase place auto-focusing imageing sensor 2, may be such that target scenic spot because with phase place auto-focusing
The angle of imageing sensor 2 and cannot on phase place auto-focusing imageing sensor 2 blur-free imaging；Equally, as shown in Figure 6, by
During carrying out moving along Z axis at motor rotor 12 and realizing auto-focusing or after having moved, if the most compensated,
Owing to the error etc. of the process and assemble error of mechanical system and the characteristic of machine components is easy to make on motor rotor 12
Lens assembly 122 produces parasitic banking motion during moving focusing along Z axis, thus affects image quality.Such as Fig. 8 institute
Show, can be by regulating the electromagnetic driver of each diverse location thus to regulate lens assembly 122 inclined in the example of the present invention
Then make image blur-free imaging in phase place auto-focusing imageing sensor 2.
When accompanying drawing 9 present invention is applied to smart mobile phone, the focusing motor 1 of the present invention and phase place auto-focusing imageing sensor
2 coordinate the gyroscope 5 of single-chip microcomputer 4 and motion detection to use, and connect mobile phone governor circuit by mobile phone connector 6.
Accompanying drawing 10 represents the reality of an optical anti-vibration motor based on controlled mirror head tilt and phase-detection imageing sensor
The principle that when camera lens tilts under existing optical anti-vibration mode of operation, phase information moves.The work of phase-detection imageing sensor 2 is former
Reason detects the change of phase information and calculates the camera lens position in accurate focus, then when being and move along optical axis direction based on camera lens
Drive camera lens to arrive rapidly this point thus form rapid focus.But, the phase information of detection also can be made when deflection lens
Mobile, such as, when camera lens along the focusing campaign shift position of optical axis isd, the angle that camera lens tilts isθTime, the detection position of phase place
Put and can offset outP(p L,p R) individual location of pixels, and thus establishment phase place change information position mobile to camera lens angle of inclination and focusing
The relation table moved.
Accompanying drawing 11 represents, the optics that realizes of optical anti-vibration motor based on controlled mirror head tilt and phase detection sensor is prevented
Tremble the position mobile to camera lens angle of inclination and focusing of phase place change information when tilting with camera lens in auto-focusing action and focus mobile
The related table moved.The experiment of accompanying drawing 10 is repeated in y direction, it is possible to obtain y direction deflection lens and camera lens light by certain rule
The offset pixels distance table of phase place detection information when axle moves axially.In like manner, it is also possible to obtain x direction deflection lens and camera lens light
The offset pixels distance table of phase place detection information when axle moves axially.Owing to cam lens is in orthogonal x direction and y side
To being the rotational symmetric structure of axle, so the offset pixels distance that the inclination angle that camera lens is in the other direction is to phase place detection information
Value can be carried out Vector modulation acquisition by corresponding orthogonal x direction with the value in the offset pixels distance form in y direction.
The impact on phase place detection information that tilts eliminated at optical anti-vibration process camera lens with obtained offset pixels compensated distance just may be used
In optical axis axially-movable, phase place is detected the impact of information with acquisition camera lens.Detected information by the phase place after this compensation just can reach
Simultaneously drive camera lens to arrive this position to camera lens position when quickly calculating accurate focus thus realize rapid focus and compatibility
Camera lens controlled tilted optical mode stabilization function.
Debugging detailed process and step can be changed, and give an actual example only explanation basis lens optical at that time after changing stroke
Stabilization deflection command carries out phase place detecting signal compensation thus improves phase-detection focusing accuracy and focusing speed.
Claims (10)
1. tilt controllable motor and the camera module of rapid focus sensor based on camera lens, include focusing motor and be located at focusing
Phase place auto-focusing imageing sensor bottom motor；Described focusing motor includes motor stator and is located in motor stator
Motor rotor, it is characterised in that: described motor rotor includes objective carrier, is located at lens assembly in objective carrier, outside objective carrier
It is provided with between sidewall and motor stator inwall more than three groups and drives lens assembly along being perpendicular to phase place auto-focusing imageing sensor
Axis move in parallel and be perpendicular to the electromagnetic driver of tilted deflecting motion of the X-direction of this axis and Y-direction, objective carrier can
To carry out the motion relative to stator at least three degree of freedom.
The most according to claim 1 based on camera lens inclination controllable motor and the camera module of rapid focus sensor, it is special
Levy and be: described each electromagnetic driver include the coil be located on objective carrier lateral wall and be located at motor stator inwall with
One group of Magnet that coil is corresponding, the side that described Magnet is corresponding with coil comprise the different upper magnetic pole strength being distributed up and down of polarity and under
Magnetic pole strength.
The most according to claim 2 based on camera lens inclination controllable motor and the camera module of rapid focus sensor, it is special
Levying and be: described motor stator is provided with metal terminal, the coil of more than three groups electromagnetic driver horses is by flexibly connecting electricity
Road is electrically connected with the metal terminal on motor stator.
The most according to claim 2 based on camera lens inclination controllable motor and the camera module of rapid focus sensor, it is special
Levy and be: often group Magnet is located at the position between two adjacent groups coil, and four groups of Magnet of four groups of electromagnetic drivers are respectively arranged on
The inwall corner location of motor stator.
The most according to claim 2 based on camera lens inclination controllable motor and the camera module of rapid focus sensor, it is special
Levy and be: described often group Magnet is one piece and comprises one side bipolar magnet.
The most according to claim 2 based on camera lens inclination controllable motor and the camera module of rapid focus sensor, it is special
Levy and be: described often group Magnet is made up of two pieces of Magnet Side by side groupings, and the pole orientation of two blocks of Magnet is contrary.
The most according to claim 1 based on camera lens inclination controllable motor and the camera module of rapid focus sensor, it is special
Levy and be: described lens assembly is monolithic camera lens or lens group；The top and bottom of objective carrier respectively by upper shell fragment and under
Shell fragment is connected with motor stator elasticity.
The most according to claim 7 based on camera lens inclination controllable motor and the camera module of rapid focus sensor, it is special
Levy and be: described motor stator includes base, metal cap and outer housing；Base coordinates fastening, lower shell fragment to be pressed from both sides with metal cap
Holding and be fixed between base and metal cap, base is fixed with metal terminal, base upper surface is provided with each group of electromagnetism of electric connection
Driver flexibly connects circuit with metal terminal；Metal cap is located in outer housing, and upper shell fragment is clamped and fixed in metal cap top
Between face and outer housing top inner wall.
The most according to claim 8 based on camera lens inclination controllable motor and the camera module of rapid focus sensor, it is special
Levy and be: between described upper shell fragment and metal cap top end face, be provided with Upper gasket.
10. the control method of the camera module as described in any one of claim 1 to 9, it is characterised in that described control method bag
Include:
Focusing control method, drives lens assembly to pass along being perpendicular to phase place auto-focusing image by controlling each group of electromagnetic driver
The axis of sensor moves in parallel realization；
Optical anti-vibration control method, by controlling each group of electromagnetic driver, makes each group of electromagnetic driver admittedly produce magnetic deviation, thus
Drive lens assembly along be perpendicular to described axis X-direction and or the tilted deflecting of Y-direction move realization；
Parasitic deflection control method, the phase place letter detected according to the phase place detection unit of phase place auto-focusing imageing sensor
Breath, controls each group of electromagnetic driver, makes each group of electromagnetic driver admittedly produce the magnetic deviation of correspondence, thus drives lens assembly along hanging down
Directly in described axis X-direction and or the tilted deflecting of Y-direction, compensate and eliminate initial makeup location and focusing translated
Journey translates the parasitic yaw motion of rear lens, to ensure the phase place detection unit of phase place auto-focusing imageing sensor with focusing
The phase information detected meets preset value；
Stabilization rapid focus control method, by controlling each group of electromagnetic driver, drives lens assembly automatic along being perpendicular to phase place
The axis of focus image sensor move in parallel and along be perpendicular to described axis X-direction and or Y-direction tilted deflecting fortune
Dynamic, phase place auto-focusing imageing sensor detection phase information parameter table is compensated elimination optical anti-vibration to phase place auto-focusing
The impact of imageing sensor detection phase information, thus realize optical anti-vibration and rapid focus control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610962269.7A CN106303264A (en) | 2016-11-04 | 2016-11-04 | Controllable motor and the camera module of rapid focus sensor and control method is tilted based on camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610962269.7A CN106303264A (en) | 2016-11-04 | 2016-11-04 | Controllable motor and the camera module of rapid focus sensor and control method is tilted based on camera lens |
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| CN107087098A (en) * | 2017-07-03 | 2017-08-22 | 深圳天珑无线科技有限公司 | camera and camera device |
| WO2018082061A1 (en) * | 2016-11-04 | 2018-05-11 | 东莞佩斯讯光电技术有限公司 | Camera module and control method on the basis of lens tilting controllable motor and fast focus sensor |
| WO2018227589A1 (en) * | 2017-06-16 | 2018-12-20 | 东莞佩斯讯光电技术有限公司 | Multi-axis voice coil motor |
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| WO2018227589A1 (en) * | 2017-06-16 | 2018-12-20 | 东莞佩斯讯光电技术有限公司 | Multi-axis voice coil motor |
| CN107087098A (en) * | 2017-07-03 | 2017-08-22 | 深圳天珑无线科技有限公司 | camera and camera device |
| CN110300252B (en) * | 2018-03-22 | 2021-06-04 | 爱佩仪（东莞）光电科技有限公司 | Lens inclination correction method and device |
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| CN110830687B (en) * | 2018-08-13 | 2022-07-12 | 三星电机株式会社 | Aperture module and camera module including the same |
| CN113272731B (en) * | 2019-01-04 | 2023-10-27 | Lg伊诺特有限公司 | Actuator control device and method |
| CN113272731A (en) * | 2019-01-04 | 2021-08-17 | Lg伊诺特有限公司 | Actuator control device and method |
| US12025813B2 (en) | 2019-01-09 | 2024-07-02 | Samsung Electro-Mechanics Co., Ltd. | Camera module |
| CN111432098A (en) * | 2019-01-09 | 2020-07-17 | 三星电机株式会社 | Camera module |
| CN111432098B (en) * | 2019-01-09 | 2022-02-11 | 三星电机株式会社 | Camera module |
| CN109905581A (en) * | 2019-03-21 | 2019-06-18 | Oppo广东移动通信有限公司 | Imaging modules, CCD camera assembly and electronic device |
| CN109905581B (en) * | 2019-03-21 | 2020-08-07 | Oppo广东移动通信有限公司 | Imaging module, camera assembly and electronic device |
| US11910112B2 (en) | 2019-10-22 | 2024-02-20 | Samsung Electronics Co., Ltd. | Image sensors including phase detection pixel |
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| CN113709330A (en) * | 2020-05-22 | 2021-11-26 | 大阳科技股份有限公司 | Imaging lens driving module and electronic device |
| CN113709330B (en) * | 2020-05-22 | 2023-10-13 | 大阳科技股份有限公司 | Imaging lens driving module and electronic device |
| CN111787207A (en) * | 2020-07-17 | 2020-10-16 | 常熟理工学院 | Miniature camera with two-direction free rotation and camera shooting method |
| CN114114589B (en) * | 2020-08-28 | 2022-11-22 | 宁波舜宇光电信息有限公司 | Camera module with focusing, anti-shake and optical axis correcting functions |
| CN114114589A (en) * | 2020-08-28 | 2022-03-01 | 宁波舜宇光电信息有限公司 | Camera module with focusing, anti-shake and optical axis correcting functions |
| CN112754407A (en) * | 2020-12-30 | 2021-05-07 | 南京齿贝犀科技有限公司 | Microspur shooting device based on miniature anti-shake cloud platform |
| CN112887576A (en) * | 2021-01-28 | 2021-06-01 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN112965318A (en) * | 2021-03-02 | 2021-06-15 | 维沃移动通信有限公司 | Anti-shake module based on image sensor, lens module and electronic equipment |
| CN112965318B (en) * | 2021-03-02 | 2022-07-15 | 维沃移动通信有限公司 | Anti-shake module based on image sensor, lens module and electronic equipment |
| CN112911125A (en) * | 2021-03-17 | 2021-06-04 | 马明才 | Device capable of focusing image recognition camera according to micro-voltage |
| CN113727007B (en) * | 2021-09-09 | 2023-09-08 | 南昌欧菲光电技术有限公司 | Anti-shake assembly, camera module and electronic equipment |
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