CN106612390A - Camera module with two imaging modules and optical axis parallelism adjustment method - Google Patents
Camera module with two imaging modules and optical axis parallelism adjustment method Download PDFInfo
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- CN106612390A CN106612390A CN201510695888.XA CN201510695888A CN106612390A CN 106612390 A CN106612390 A CN 106612390A CN 201510695888 A CN201510695888 A CN 201510695888A CN 106612390 A CN106612390 A CN 106612390A
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Abstract
The invention discloses a camera module with two imaging modules and an optical axis parallelism adjustment method. The method comprises steps: coordinates of actual positions of corresponding mark patterns of a first imaging module and a second imaging module on a form and coordinates of a theoretical position of the corresponding pattern of the second imaging module are acquired respectively; through comparing the coordinates of the actual position of the corresponding mark pattern of the second imaging module and the coordinates of the theoretical position, the inclination amount of the optical axis of the second imaging module in relative to the optical axis of the first imaging module can be acquired; and based on the optical axis inclination amount, the optical axis of the second imaging module is adjusted to enable the optical axis of the first imaging module and the optical axis of the second imaging module to be parallel mutually approximately.
Description
Technical field
The present invention relates to optical imaging field, more particularly to one has the camera module and its optical axis of double image-forming modules
Depth of parallelism method of adjustment, wherein the method for adjustment is used for the parallelism of optical axis for adjusting each image-forming module,
To improve the image quality of the camera module.
Background technology
Camera module, the camera module for being for example installed in mobile phone are for gathering image (such as video or figure
Picture) device.Traditional camera module includes a sensitive chip and is arranged at the photosensitive path of the sensitive chip
An optical lens, so that an image-forming module is formed between the sensitive chip and the optical lens, that is to say, that
Traditional camera module generally only includes the image-forming module.In order to improve the image quality of the camera module,
The pixel quantity of the camera module is significantly increased, such as this with 12,000,000 and 16,000,000 pixels is taken the photograph
As module is popular on the market, however, only by improve the camera module pixel quantity way still without
Method meets user for the demand of the image quality of the camera module.Therefore, by laterally exploitation with it is double into
As the camera module of module it is important with the image for providing higher reduction degree become camera module development one
Direction.
Relative to traditional camera module with single imaging module, prior art with double image-forming modules
Camera module can provide depth of field analysis ability and 3D effect, realize background blurring, auto-focusing and expansion
The functions such as real border, so that the camera module with double image-forming modules of prior art receives an acclaim and pursues.
The maximum feature of the camera module with double image-forming modules of prior art is that the pixel of each image-forming module is real-time
Match each other overlap, and can automatically recognize photographed scene, and among two image-forming modules automatically
Detect a camera module with double image-forming modules as prior art closer to real shooting target
The basis of collection image.However, being limited to the encapsulation work of the camera module with double image-forming modules of prior art
Skill, causes the optical axis of each image-forming module of the camera module with double image-forming modules of prior art to occur inclining
Situation so that seriously its imaging effect of image.Therefore, the present invention is intended to provide a kind of brand-new tune
The method of the parallelism of optical axis of whole each image-forming module is solving the shooting with double image-forming modules of prior art
This problem present in module and overcoming occur during above-mentioned this problem is solved it is a series of its
His problem.
The content of the invention
It is an object of the present invention to provide one has the camera module and its parallelism of optical axis of double image-forming modules
Method of adjustment, wherein the optical axis of each of the imaging modules described image-forming module can be put down by the method for adjustment
Row degree is adjusted in the range of 0.5 degree, to improve the image quality of the camera module and improve the shooting mould
The product yield of group.
Have the camera module and its optical axis of double image-forming modules parallel further object is that providing one
Degree method of adjustment, wherein the method for adjustment is when the parallelism of optical axis of each image-forming module is adjusted, can
Ensure the photocentre deviation of each image-forming module in the range of being allowed for, with improve the camera module into
As quality.
Have the camera module and its optical axis of double image-forming modules parallel further object is that providing one
Degree method of adjustment, wherein the optical axis that the method for adjustment can rapidly adjust each image-forming module is parallel
Degree, with improve the camera module it is packed when packaging efficiency.
Have the camera module and its optical axis of double image-forming modules parallel further object is that providing one
Degree method of adjustment, wherein the method for adjustment is entered to the image of image-forming module collection each described under same light source
Row fitting, by such mode, can improve each by ensureing the concordance of each image-forming module
The parallelism of optical axis of the image-forming module be adjusted after precision.
Have the camera module and its optical axis of double image-forming modules parallel further object is that providing one
Degree method of adjustment, wherein the method for adjustment can be automatic in the image of each image-forming module collection mark version
Ground is adapted to and positioning is provided at the Mark patterns (identification pattern) for marking version, by such method,
Efficiency of the method for adjustment when the parallelism of optical axis to image-forming module each described is adjusted can be improved.
Have the camera module and its optical axis of double image-forming modules parallel further object is that providing one
Degree method of adjustment, wherein the method for adjustment is when the parallelism of optical axis of each image-forming module is adjusted, with which
In image-forming module another described is adjusted on the basis of an image-forming module, to ensure the adjustment side
Precision of the method when the parallelism of optical axis of each image-forming module is adjusted.
Have the camera module and its optical axis of double image-forming modules parallel further object is that providing one
Degree method of adjustment, wherein the method for adjustment can be entered to the different types of camera module with double image-forming modules
Row adjustment.
In order to achieve the above object, the present invention provides the parallelism of optical axis of a camera module with double image-forming modules
Method of adjustment, wherein the method for adjustment comprises the steps：
A () obtains one first image-forming module and one second image-forming module in a mark version, corresponding mark schemes respectively
The coordinate of the physical location of case；
B the coordinate of () based on the physical location of the corresponding mark patterns of first image-forming module, obtains
The coordinate of the theoretical position of the corresponding mark patterns of second image-forming module；
The coordinate and theory of the physical location of the corresponding mark patterns of (c) comparison second image-forming module
The coordinate of position, obtains optical axis the inclining relative to the optical axis of first image-forming module of second image-forming module
Gradient；And
D () adjusts the optical axis of second image-forming module based on the tilt quantity, so that the second imaging mould
The optical axis of the optical axis of block and first image-forming module is almost parallel.
A preferred embodiment of the invention, in the step (d), in the camera module
The photocentre of second image-forming module is allowed for the optical axis of adjustment second image-forming module in deviation range.
A preferred embodiment of the invention, wherein in the step (d), it is described by changing
At least one of plan-position and inclination angle of the optical axis of the second image-forming module adjust second image-forming module
The position of optical axis.
A preferred embodiment of the invention, in the step (c), according to the described second imaging
Tilt quantity of the optical axis of module relative to the optical axis of first image-forming module, obtains second image-forming module
Optical axis needs displacement to be moved and the inclination angle being changed.
A preferred embodiment of the invention, also includes step in the step (a)：
(a.1) the mark version including multiple mark patterns is placed in into first image-forming module and described
The photosensitive path of the second image-forming module；With
(a.2) make the image of the camera module first image-forming module and second image-forming module it
Between switch, with obtain respectively first image-forming module and second image-forming module it is described mark version on it is corresponding
The coordinate of the physical location of the mark patterns.
A preferred embodiment of the invention, in the above-mentioned methods, first image-forming module and described
Second image-forming module obtains the coordinate of the physical location of the mark patterns of four distributions that are centrosymmetric respectively
And the centre coordinate based on four mark patterns calculates the tilt quantity.
A preferred embodiment of the invention, the mark patterns selected from circle, lines, triangle,
The shape group of tetragon and star composition.
A preferred embodiment of the invention, the mark version is plane mark version, and each described mark
Pattern is spaced reciprocally in the approximately the same plane of the mark version.
A preferred embodiment of the invention, the camera module include two sensitive chips and two optical frames
Head, the individually arranged photosensitive path in each sensitive chip of each described optical lens, so that
The sensitive chip and the optical lens form first image-forming module, another described sensitive chip
Second image-forming module is formed with optical lens another described.
A preferred embodiment of the invention, the camera module include a sensitive chip and two optical frames
Head, each described optical lens are positioned apart from the photosensitive path of the sensitive chip, so that described in one
A part for optical lens and the sensitive chip forms first image-forming module, another described optical lens
Second image-forming module is formed with another part of the sensitive chip.
According to a further aspect of the invention, the present invention provides the assemble method of a camera module, wherein described take the photograph
As module includes the first and second image-forming modules, methods described comprises the steps：
(A) will be first image-forming module in position so that first image-forming module be a fixed imaging
Module, and second image-forming module is arranged into movable state so that second image-forming module is one movable
Image-forming module；
(B) the fixed imaging module and the movable image-forming module shoot the mark patterns of a mark version respectively
To obtain image information；
(C) the fixed imaging module and the movable image-forming module are calculated based on described image information
Between inclined light shaft amount；And
(D) fixed imaging is corrected by the movement movable image-forming module based on the inclined light shaft amount
Inclined light shaft between module and the movable image-forming module and the activity imaging is fixed after correction terminates
Module.
A preferred embodiment of the invention, completes school by translating or rotating the movable image-forming module
Positive step.
A preferred embodiment of the invention, above-mentioned assemble method also include step：Obtain the fixation
Image-forming module and the movable image-forming module distinguish the actual bit of the corresponding mark patterns in the mark version
The coordinate put；Based on the coordinate of the physical location of the corresponding mark patterns of the fixed imaging module, obtain
Take the coordinate of the theoretical position of the corresponding mark patterns of the movable image-forming module；And the comparison work
The coordinate and the coordinate of theoretical position of the physical location of the corresponding mark patterns of dynamic image-forming module, obtains institute
State the inclined light shaft amount between movable image-forming module and the fixed imaging module.And in the shooting mould
The photocentre of the described movable image-forming module of group is allowed for the light of the adjustment movable image-forming module in deviation range
Axle.
A preferred embodiment of the invention, above-mentioned assemble method also include step：By self adaptation side
Formula obtains multiple mark patterns being centrosymmetric the center based on multiple mark patterns
Coordinate calculates the inclined light shaft amount.
A preferred embodiment of the invention, the inclined light shaft amount it is calibrated after control 0.5 degree with
It is interior.
According to a further aspect of the invention, the present invention also provides the shooting obtained by the assembling of above-mentioned assemble method
Module, which increased the aligning step of inclined light shaft relative to the existing different independent assemblings into module, from
And improve the image quality of the camera module and improve the product yield of the camera module.
Description of the drawings
Fig. 1 is a schematic diagram according to a preferred embodiment of the invention, which depict of camera module
Embodiment.
Fig. 2 is another schematic diagram of above preferred embodiment of the invention, which depict camera module
Another embodiment.
Fig. 3 is after the camera module of above preferred embodiment of the invention is cut open along centre position
Schematic diagram.
Fig. 4 is each image-forming module collection mark version of the camera module of above preferred embodiment of the invention
Test pattern image when schematic diagram.
Fig. 5 is the mark of each image-forming module collection of the camera module of above preferred embodiment of the invention
The schematic diagram of the image of version.
Fig. 6 is the light of each image-forming module of the adjustment camera module of above preferred embodiment of the invention
The principle schematic of the axle depth of parallelism.
Fig. 7 is the light of each image-forming module of the adjustment camera module of above preferred embodiment of the invention
The schematic flow sheet of the axle depth of parallelism.
Fig. 8 is the optical axis of the camera module with double image-forming modules of above preferred embodiment of the invention
The schematic flow sheet of depth of parallelism method of adjustment.
Specific embodiment
Hereinafter describe for disclosing the present invention so that those skilled in the art can realize the present invention.In below describing
Preferred embodiment be only used as citing, it may occur to persons skilled in the art that other obvious modifications.With
The ultimate principle of the present invention defined in lower description can apply to other embodiments, deformation program, improvement side
Case, equivalent and the other technologies scheme without departing from the spirit and scope of the present invention.
It is the schematic diagram of the different embodiments of a camera module as shown in Figure 1 to Figure 3, wherein the shooting mould
Group includes two image-forming modules 10, and each described image-forming module 10 can obtain individually or after combining quilt
Shoot the image (such as video or image) of object.Specifically, the camera module includes one the first one-tenth
As module 10a and one second image-forming module 10b, the camera module can pass through the first image-forming module 10a
The image of subject is obtained with any one in the second image-forming module 10b.Further, it is described
First image-forming module 10a and the second image-forming module 10b include a sensitive chip 11 and are arranged at described
One optical lens 12 in the photosensitive path of sensitive chip 11, the light of subject reflection can pass through described
Optical lens 12 enter the inside of the camera module, are turned with being received and carrying out photoelectricity by the sensitive chip 11
Change, so as to the image related to the object can be generated in the follow-up camera module.
It is noted that the camera module that figure 1 illustrates, which includes two 11 Hes of sensitive chip
Two optical lens 12, each described optical lens 12 are individually arranged described photosensitive in each respectively
On the photosensitive path of chip 11, so as to form two separate image-forming modules 10, i.e., described first
Image-forming module 10a and the second image-forming module 10b include a sensitive chip 11 and an institute respectively
State optical lens 12.It is different from the embodiment described above, in the camera module shown in Fig. 2 and Fig. 3,
Which includes a sensitive chip 11 and two optical lens 12, each 12 quilt of the optical lens
Diverse location corresponding to the sensitive chip 11 is set, so as to form two image-forming modules 10, i.e. institute
State the first image-forming module 10a and the second image-forming module 10b shares the same sensitive chip 11.This
The method of adjustment that invention is provided can be to each described image-forming module of the different types of camera module
10 parallelism of optical axis is adjusted.
It will be appreciated by those of skill in the art that the image quality of the camera module be not merely limited to it is described photosensitive
The pixel quantity of chip 11, and it is limited to the parallelism of optical axis of each image-forming module 10.In other words,
The parallelism of optical axis of the first image-forming module 10a and the second image-forming module 10b affects to a great extent
The image quality of the camera module.For example during the camera module is assembled, if described in two
Occur inclining between optical lens 12, then can cause the described the first one-tenth of the assembled camera module for being formed
As there is inclined situation between the optical axis of module 10a and the second image-forming module 10b, so that affecting institute
State the product yield of camera module.Therefore, during the camera module is encapsulated, to the camera module
The first image-forming module 10a and the parallelism of optical axis of the second image-forming module 10b tested and adjusted
It is whole, for the first image-forming module 10a's and the second image-forming module 10b for ensureing the camera module
The product yield of the image quality and the raising camera module of parallelism of optical axis and the improvement camera module
All it is critical that.
The present invention provides one and marks version 20 for testing and adjusting first image-forming module of the camera module
The parallelism of optical axis of 10a and the second image-forming module 10b.The mark version 20 provides at least two mark patterns
21, to allow the first image-forming module 10a and the second image-forming module 10b self adaptations and positioning described
Mark patterns 21.In the present invention, the shape of the mark patterns 21 is unrestricted, such as described mark
The shape group that pattern 21 can be constituted with shapes such as selected element, line, triangle, square, circle and stars,
For example when the mark patterns 21 are lines, can be " one " font lines can also be " ten " font
Lines.In other words, the mark patterns 21 can any can be used in evaluating the every of the camera module
The pattern of the parallelism of optical axis of the individual image-forming module 10.Preferably, testing and adjusting the camera module
Each image-forming module 10 parallelism of optical axis during, the first image-forming module 10a and described
Second image-forming module 10b can distinguish self adaptation and define four mark patterns 21, by such side
Formula, ensure that the optical axis for being adjusted the first described image-forming module 10a and the second image-forming module 10b is put down
The precision of row degree, so as to improve the image quality of the camera module.
It will be appreciated by those of skill in the art that type of the type of the mark version 20 according to the camera module
It is determined and presented, such as, in one embodiment in the present invention, the mark version 20 is provided as one and puts down
Version 20 is marked in face, i.e., described mark version 20 provides the mark with multiple diverse locations in approximately the same plane
Pattern 21, and in another embodiment of the present invention, the mark version 20 is provided as a three-dimensional mark version 20,
I.e. described mark version 20 provides the multiple described mark patterns 21 with Different Plane position in different planes,
That is, the mark version 20 provides the mark patterns with different depth information.
It is the first image-forming module 10a of the camera module of the present invention and described the second one-tenth as shown in Figure 7
As the parallelism of optical axis adjustment flow process 700 of module 10b.
In the stage 701, the camera module is made in shooting state, and make image be maintained at first imaging
Module 10a.As shown in figure 5, test and adjust the camera module each image-forming module optical axis
During the depth of parallelism, make the camera module constantly in shooting state, and first by the shooting
The first image-forming module 10a of module shoots the image of the mark version 20, in this process, described to take the photograph
As the first image-forming module 10a of module being capable of self adaptation and the positioning mark for marking the offer of version 20
Pattern 21, so as to obtain the first image-forming module 10a corresponding mark figures in the mark version 20
The coordinate of the physical location of case 21.It is noted that in order to reduce test and adjust the camera module
The error during parallelism of optical axis of each image-forming module 10, the reality of the mark patterns 21 being acquired
The coordinate of border position is the coordinate of the center of the mark patterns, such as when 21 quilt of mark patterns
When being embodied as circle, the coordinate of the center of the mark patterns is the coordinate of circular home position.
It will be appreciated by those of skill in the art that the first image-forming module 10a is a benchmark image-forming module,
I.e. with the first image-forming module 10a as basis reference, the light of the second image-forming module 10b is tested and is adjusted
Tilt quantity of the axle relative to the optical axis of the first image-forming module 10a.In other words, first image-forming module
10a is a fixed imaging module, and the second image-forming module 10b is a movable image-forming module.
In addition, in the stage 701, the first image-forming module 10a can also gather the figure of the mark version 20
Picture is simultaneously saved, to be subsequently used for each the described image-forming module for the camera module tested after being adjusted
Whether 10 parallelism of optical axis is qualified.
In the stage 702, image is switched to into the second image-forming module 10b from the first image-forming module 10a.
It will be understood by those of skill in the art that the camera module can pass through the first image-forming module 10a and institute
Any one stated in the second image-forming module 10b obtains individually or after combining the image of subject,
Such as described camera module can be by the first image-forming module 10a and the second image-forming module 10b
Any one individually obtains the image of the mark version 20, and the camera module can automatically or quilt
Image is switched between the first image-forming module 10a and the second image-forming module 10b by control.Therefore,
Scheme when the first image-forming module 10a corresponding mark in the mark version 20 are obtained in the stage 701
After the coordinate of the physical location of case 21, image can be switched to described from the first image-forming module 10a
On two image-forming module 10b, and the second image-forming module 10b is obtained in the corresponding mark of the mark version 20
The coordinate of the physical location of pattern 21.
In the stage 703, the optical axis of the second image-forming module 10b is obtained relative to the first image-forming module 10a
Optical axis tilt quantity.In the stage 701, according to the first image-forming module 10a in the mark version 20
The coordinate of the physical location of the corresponding mark patterns 21, based on the first and second image-forming modules 10a
Position Design parameter can to obtain the second image-forming module 10b corresponding described in the mark version 20
The coordinate of the theoretical position of mark patterns 21, comparison the second image-forming module 10b is in the mark version 20
The coordinate and the coordinate of theoretical position of the physical location of the corresponding mark patterns 21, is obtained in that described
Tilt quantity of the optical axis of two image-forming module 10b relative to the optical axis of the first image-forming module 10a.
For example in a specific embodiment of the present invention, the first image-forming module 10a is corresponding described
The coordinate of the physical location of mark patterns 21 is defined as MARK1, and the second image-forming module 10b is corresponding
The coordinate of the physical location of the mark patterns 21 is defined as MARK2, according to the first image-forming module 10a
The second image-forming module 10b that the coordinate of the physical location of the corresponding mark patterns 21 is obtained is corresponding
The coordinate of the theoretical position of the mark patterns 21 is defined as MARk3, comparison the second image-forming module 10b
The coordinate MARK3 and the coordinate MARK2 of physical location of the theoretical position of the corresponding mark patterns 21, can
To obtain the inclination of the optical axis relative to the optical axis of the first image-forming module 10a of the second image-forming module 10b
Amount, such as in figure 6, based on the second image-forming module 10b relative to the first image-forming module 10a's
The tilt quantity of optical axis, can further obtain the second image-forming module 10b needs in plane coordinate system xy
Controlled in-plane displancement △ X and △ Y, wherein △ X is needed to represent the optical axis of the second image-forming module 10b
The displacement moved in plane coordinate system xy along the x-axis direction by needs, △ Y represent second imaging
The optical axis of module 10b needs the displacement moved in plane coordinate system xy along the y-axis direction.
In the stage 704, the optical axis of the second image-forming module 10b is adjusted, so that the second image-forming module 10b
Optical axis be parallel to each other with the optical axis of the first image-forming module 10a.It will be appreciated by those of skill in the art that
In order to ensure the image quality of the camera module, the light of the second image-forming module 10b of the camera module
The heart needs to be controlled in the range of tolerance, i.e., in the second image-forming module 10b of the camera module
Photocentre deviation allow in the range of adjust the optical axis of the second image-forming module 10b.In figure 6, TX tables
Show the optical axis needs of the second image-forming module 10b in the range of the photocentre deviation of the camera module is allowed
The displacement moved in plane coordinate system xy along the x-axis direction, TY represent the light in the camera module
In the range of the permission of heart deviation, the optical axis of the second image-forming module 10b is needed by the quilt in plane coordinate system xy
The displacement moved along the y-axis direction, i.e. TX and TY are the second image-forming module 10b actual mobile
Displacement.
After the optical axis of the second image-forming module 10b is adjusted, clapped by the second image-forming module 10b
Take the photograph the image of the mark version 20, and the image of the mark version 20 that the second image-forming module 10b is shot
The image of the mark version 20 shot with the first image-forming module 10a preserved in the stage 701 is compared
Compared with whether qualified with the parallelism of optical axis for detecting each image-forming module 10 of the camera module.It is worth
One is mentioned that, the inclined light shaft degree of the first image-forming module 10a and the second image-forming module 10b is 0.5
In the range of degree, the first image-forming module 10a defined by the present invention and the second image-forming module 10b
Optical axis be parallel to each other, i.e., the parallelism of optical axis of each image-forming module 10 of described camera module is qualified.
As shown in figure 8, the present invention provides a parallelism of optical axis method of adjustment with double imaging camera modules, its
Described in method of adjustment comprise the steps：
A () obtains one first image-forming module 10a and one second image-forming module 10b right respectively in a mark version 20
The coordinate of the physical location of the mark patterns 21 answered；
The seat of (b) based on the physical location of the corresponding mark patterns of the first image-forming module 10a 21
Mark, obtains the coordinate of the theoretical position of the corresponding mark patterns of the second image-forming module 10b 21；
The seat of the physical location of the corresponding mark patterns of the described second image-forming module 10b of (c) comparison 21
The coordinate of mark and theoretical position, obtains the optical axis of the second image-forming module 10b relative to the described first imaging mould
The tilt quantity of the optical axis of block 10a；And
D () adjusts the optical axis of the second image-forming module 10b based on the tilt quantity, so that described the second one-tenth
The optical axis of the optical axis and the first image-forming module 10a of picture module 10b is almost parallel.
Preferably, in the step (d), by the flat of the optical axis of change the second image-forming module 10b
At least one of face position and inclination angle adjust the position of the optical axis of the second image-forming module 10b.
Preferably, also including step in the step (a)：
(a.1) the mark version including multiple mark patterns 21 is placed in into the first image-forming module 10a
With the photosensitive path of the second image-forming module 10b；With
(a.2) image of the camera module is made in the first image-forming module 10a and the second imaging mould
Switch between block 10b, existed with obtaining the first image-forming module 10a and the second image-forming module 10b respectively
The coordinate of the physical location of the corresponding mark patterns 21 in the mark version 20.
It should be understood by those skilled in the art that the embodiments of the invention shown in foregoing description and accompanying drawing are only used as
Illustrate and be not intended to limit the present invention.The purpose of the present invention completely and is effectively realized.The present invention function and
Structural principle in embodiment shows and illustrates, under without departing from the principle, embodiments of the present invention
Can there are any deformation or modification.
Claims (19)
1. one has the parallelism of optical axis method of adjustment of the camera module of double image-forming modules, it is characterised in that the adjustment side
Method comprises the steps：
A () obtains the reality that one first image-forming module and one second image-forming module distinguish corresponding mark patterns in a mark version
The coordinate of position；
B the coordinate of () based on the physical location of the corresponding mark patterns of first image-forming module, obtains described second
The coordinate of the theoretical position of the corresponding mark patterns of image-forming module；
The coordinate and the seat of theoretical position of the physical location of the corresponding mark patterns of (c) comparison second image-forming module
Mark, obtains the tilt quantity of the optical axis relative to the optical axis of first image-forming module of second image-forming module；And
D () adjusts the optical axis of second image-forming module based on the tilt quantity, so that the optical axis of second image-forming module
It is almost parallel with the optical axis of first image-forming module.
2. method according to claim 1, wherein in the step (d), described the of the camera module
The photocentre of two image-forming modules is allowed for the optical axis of adjustment second image-forming module in deviation range.
3. method according to claim 2, wherein in the step (d), by changing the second imaging mould
At least one of plan-position and inclination angle of the optical axis of block adjust the position of the optical axis of second image-forming module.
4. method according to claim 3, wherein in the step (c), according to second image-forming module
Tilt quantity of the optical axis relative to the optical axis of first image-forming module, the optical axis for obtaining second image-forming module need to be to be moved
Displacement and the inclination angle being changed.
5. method according to claim 1, wherein also including step in the step (a)：
(a.1) the mark version including multiple mark patterns is placed in into first image-forming module and second imaging
The photosensitive path of module；With
(a.2) image of the camera module is made to switch between first image-forming module and second image-forming module, with
The reality of the first image-forming module and second image-forming module corresponding mark patterns in the mark version is obtained respectively
The coordinate of border position.
6. method according to claim 4, wherein also including step in the step (a)：
(a.1) the mark version including multiple mark patterns is placed in into first image-forming module and second imaging
The photosensitive path of module；With
(a.2) image of the camera module is made to switch between first image-forming module and second image-forming module, with
The reality of the first image-forming module and second image-forming module corresponding mark patterns in the mark version is obtained respectively
The coordinate of border position.
7. method according to claim 5, wherein in the above-mentioned methods, first image-forming module and described second
Image-forming module obtains the coordinate of the physical location of the mark patterns of four distributions that are centrosymmetric respectively and based on four institutes
The centre coordinate for stating mark patterns calculates the tilt quantity.
8. method according to claim 6, wherein in the above-mentioned methods, first image-forming module and described second
Image-forming module obtains the coordinate of the physical location of the mark patterns of four distributions that are centrosymmetric respectively and based on four institutes
The centre coordinate for stating mark patterns calculates the tilt quantity.
9. the method according to claim 1,2,3,4,5,6,7 or 8, wherein the mark patterns are selected from circle
The shape group of shape, lines, triangle, tetragon and star composition.
10. the method according to claim 1,2,3,4,5,6,7 or 8, wherein the mark version is plane mark version,
And each described mark pattern is spaced reciprocally in the approximately the same plane of the mark version.
11. methods according to claim 1,2,3,4,5,6,7 or 8, wherein the camera module includes two
Sensitive chip and two optical lens, the individually arranged photosensitive road in each sensitive chip of each described optical lens
Footpath, so that a sensitive chip and the optical lens form first image-forming module, another is described photosensitive
Chip and another described optical lens form second image-forming module.
12. methods according to claim 1,2,3,4,5,6,7 or 8, wherein the camera module includes one
Sensitive chip and two optical lens, each described optical lens are positioned apart from the photosensitive path of the sensitive chip, with
The optical lens and a part for the sensitive chip is made to form first image-forming module, another described optical frames
Another part of head and the sensitive chip forms second image-forming module.
The assemble method of 13. 1 camera modules, it is characterised in that the camera module includes the first and second image-forming modules,
Methods described comprises the steps：
(A) will be first image-forming module in position so that first image-forming module be a fixed imaging module, and
Second image-forming module is arranged into movable state so that second image-forming module is a movable image-forming module；
(B) the fixed imaging module and the movable image-forming module shoot the mark patterns of a mark version respectively to obtain figure
As information；
(C) light between the fixed imaging module and the movable image-forming module is calculated based on described image information
Axle tilt quantity；And
(D) the fixed imaging module and institute are corrected by the movement movable image-forming module based on the inclined light shaft amount
State the inclined light shaft between movable image-forming module and the movable image-forming module is fixed after correction terminates.
14. methods according to claim 13, wherein also including step：By translating or rotating the activity imaging
Module completes aligning step.
15. methods according to claim 13, wherein also including step：Obtain the fixed imaging module and described
Movable image-forming module distinguishes the coordinate of the physical location of the corresponding mark patterns in the mark version；Based on the fixation
The coordinate of the physical location of the corresponding mark patterns of image-forming module, obtains the movable image-forming module corresponding described
The coordinate of the theoretical position of mark patterns；And compare the actual bit of the corresponding mark patterns of the movable image-forming module
The coordinate put and the coordinate of theoretical position, obtain the optical axis between the movable image-forming module and the fixed imaging module
Tilt quantity.
16. methods according to claim 15, wherein the photocentre of the described movable image-forming module in the camera module
It is allowed for the optical axis of the adjustment movable image-forming module in deviation range.
17. methods according to claim 13, wherein also including step：Obtained by adaptive mode and multiple be in
The symmetrical mark patterns of the heart simultaneously calculate the inclined light shaft based on the coordinate of the center of multiple mark patterns
Amount.
18. methods according to claim 13,14,15,16 or 17, wherein the optical axis of the camera module
After tilt quantity is calibrated, control is within 0.5 degree.
19. 1 camera modules, it is characterised in that the method group by described in claim 13,14,15,16,17 or 18
Dress is obtained.
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