CN107770518B - A kind of camera module eccentric correction device and method - Google Patents
A kind of camera module eccentric correction device and method Download PDFInfo
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- CN107770518B CN107770518B CN201711041489.7A CN201711041489A CN107770518B CN 107770518 B CN107770518 B CN 107770518B CN 201711041489 A CN201711041489 A CN 201711041489A CN 107770518 B CN107770518 B CN 107770518B
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- China
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- holder structure
- coil plate
- camera module
- camera lens
- eccentric correction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
Abstract
The invention discloses a kind of camera module eccentric correction device and methods, camera module eccentric correction device includes: the FPC substrate equipped with sensitive chip, Holder structure equipped with magnetic piece, the control calibration equipment with sensitive chip and camera lens communication connection, four coil plates.FPC substrate equipped with Holder structure is placed in the space that coil plate surrounds by timing first, and makes four magnetic piece difference four coil plates of face；Restart control calibration equipment, and observes center and the sensitivity centre of camera lens on a display screen；Electric current is applied to each coil plate, opposite coil plate and magnetic piece is set to repel each other because of same polarity, to drive Holder structure mobile, and according to the center of camera lens and the relative position of sensitivity centre, the size of current for changing each coil plate, until the center of camera lens and sensitivity centre are overlapped.
Description
Technical field
The present invention relates to camera modules to correct field, more specifically to a kind of camera module eccentric correction device and
Method.
Background technique
In field of photography, requirement of the consumer to Product Experience sense is gradually promoted, and camera module eccentricity issues are to influence
An important factor for product shooting effect.Camera module includes the components such as imaging sensor, sensitive chip, camera lens, wiring board, more
In secondary assembling process, keep the superposition tolerance of spare and accessory parts increasing, eventually leads to the center deviation picture center of camera lens, makes quadrangle
Clarity it is uneven.
It for the prior art, generallys use Dutch treatment journey method and the center of camera lens is corrected, i.e., by adjusting each zero
The relative position of part and the tilt angle of camera lens, so that the sensitivity centre of optical center and sensitive chip coincides.But above-mentioned side
Method needs are realized under the auxiliary of relevant device, and complex technical process, the scope of application are limited by product size, are not easy to general
All over application.
Therefore, the process for how simplifying camera module eccentric correction improves its shooting effect, is that the field is urgently at this stage
The problem of solution.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of camera module eccentric correction device, which can simplify
The process of camera module eccentric correction improves its shooting effect, solves the problems, such as the field at this stage.The purpose of the present invention is also
It is to provide a kind of camera module eccentric correction method, this method is applied to above-mentioned camera module eccentric correction device, therefore,
The process that camera module eccentric correction can be simplified improves the shooting effect of camera module.
A kind of camera module eccentric correction device, comprising:
FPC substrate, equipped with sensitive chip on the FPC substrate；
Holder structure, the Holder structure are connected with the FPC substrate, the Holder structure include pedestal and
Boss, the boss are mutually fixed with camera lens, and the pedestal is cuboid, and four sides of the cuboid are equipped with magnetic piece；
Calibration equipment is controlled, the control calibration equipment is equipped with display screen, and logical with the sensitive chip and the camera lens
News connection for showing the center of the camera lens and the sensitivity centre of the sensitive chip, and passes through the big abortion of control electric current
Raw driving force；
Coil plate, the coil plate are four, and the Holder structure is placed in the coil plate opposite sky surrounded two-by-two
In, and each magnetic piece distinguishes each coil plate of face；Each coil plate generates magnetic by impressed current
Property, and homopolarity magnetism is presented in the opposite coil plate and the magnetic piece.
Preferably, the camera module eccentric correction device, the magnetic piece are magnetic metal piece.
Preferably, the camera module eccentric correction device, the material of the Holder structure are plastics.
Preferably, the camera module eccentric correction device, the magnetic piece are embedded in the Holder structure.
Preferably, the camera module eccentric correction device, the Holder structure and the FPC substrate pass through glue
It is fixed.
A kind of camera module eccentric correction method, comprising steps of
FPC substrate is placed in the space that coil plate surrounds by step 1；
Holder structure is placed on the sensitive chip of the FPC substrate by step 2, and makes the Holder structure
Four magnetic pieces distinguish four coil plates of face；
Step 3, starting control calibration equipment, and observe on a display screen the camera lens center and the sensitive chip
Sensitivity centre；
Step 4 applies electric current to each coil plate, opposite coil plate and magnetic piece is made to repel each other because of same polarity,
To drive Holder structure mobile, and according to the center of the camera lens and the relative position of the sensitivity centre, each institute of change
The size of current of coil plate is stated, until the center of the camera lens and the sensitivity centre are overlapped.
The present invention proposes a kind of camera module eccentric correction device, comprising: the FPC substrate equipped with sensitive chip is equipped with
The Holder structure of magnetic piece, the control calibration equipment with sensitive chip and camera lens communication connection, four coil plates.Timing,
The FPC substrate equipped with Holder structure is placed in the space that coil plate surrounds first, and makes four magnetic piece difference faces
Four coil plates；Restart control calibration equipment, and observes center and the sensitivity centre of camera lens on a display screen；To each coil
Plate applies electric current, so that opposite coil plate and magnetic piece is repelled each other because of same polarity, is mobile to drive Holder structure, and according to mirror
The center of head and the relative position of sensitivity centre, the size of current for changing each coil plate, until the center of camera lens and it is photosensitive in
The heart is overlapped.The above process, which passes through, changes alive size, to change the driving force to Holder structure, completes to camera module
Correction.The process is simple and reliable, and the scope of application is wider.Therefore, this camera module eccentric correction device can simplify camera shooting
The process of mould group eccentric correction, improves its shooting effect, solves the problems, such as the field at this stage.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic diagram of camera module eccentric correction device in the specific embodiment of the invention；
Fig. 2 is the schematic diagram of Holder structure in the specific embodiment of the invention；
Fig. 3 is the bottom schematic view of Holder structure in the specific embodiment of the invention.
In Fig. 1-Fig. 3:
Substrate -1 FPC, structure -2 Holder, coil plate -3, magnetic piece -4.
Specific embodiment
The core of present embodiment is to provide a kind of camera module eccentric correction device, which, which can simplify, takes the photograph
As the process of mould group eccentric correction, its shooting effect is improved, solves the problems, such as the field at this stage.
Hereinafter, being illustrated referring to attached drawing to embodiment.In addition, embodiments illustrated below is not to recorded in claim
Summary of the invention rise any restriction effect.In addition, the full content of composition represented by following example is not limited to as right
Necessary to the solution invented documented by it is required that.
The camera module eccentric correction device that present embodiment provides, including FPC substrate 1, Holder structure 2, control
Calibration equipment processed, coil plate 3.Wherein, equipped with sensitive chip on FPC substrate 1；Holder structure 2 is combined with FPC substrate 1,
The Holder structure 2 includes pedestal and boss, and boss mutually fixes with camera lens, and pedestal is cuboid, and four sides of cuboid
Equipped with magnetic piece 4；Control calibration equipment be equipped with display screen, and with sensitive chip and camera lens communication connection, for showing and observing
The center of camera lens and the sensitivity centre of sensitive chip；Coil plate 3 is four, and is opposite two-by-two and surrounds and can accommodate
The space of Holder structure 2, each coil plate 3 rely on impressed current and generate magnetism, and opposite coil plate 3 and magnetic piece
4 are presented homopolarity magnetism, to generate the driving force repelled each other, Holder structure 2 and FPC substrate 1 is made to generate relative displacement, and can lead to
The electric current of change coil plate 3 is crossed to change the driving force size to Holder structure 2, finally makes center and the sensitive chip of camera lens
Sensitivity centre be overlapped.It please specifically be detailed in Fig. 1-3.
FPC substrate 1 and Holder structure 2 are placed in coil plate 3 first by above-mentioned camera module eccentric correction device, timing
In the space surrounded, and four magnetic pieces 4 is made to distinguish four coil plates 3 of face；Restart control calibration equipment, and in display screen
The center of upper observation camera lens and sensitivity centre；Electric current is applied to each coil plate 3, makes opposite coil plate 3 and magnetic piece 4 because same
Polarity and repel each other, to drive Holder structure 2 mobile, and according to the center of camera lens and the relative position of sensitivity centre, change it is each
The size of current of a coil plate 3, until the center of camera lens and sensitivity centre are overlapped.The above process is alive big by changing
It is small, to change to the driving force of Holder structure 2, complete the correction to camera module.The process is simple and reliable, and the scope of application
It is relatively wide.Therefore, this camera module eccentric correction device can simplify the process of camera module eccentric correction, improve its shooting effect
Fruit solves the problems, such as the field at this stage.
The camera module eccentric correction device that present embodiment provides, in order to further ensure the normal work of the present apparatus
Make, prevent magnetic interference, the raw material of non magnetic material, such as plastics as production Holder structure 2 can be selected.
Further, the magnetic piece 4 being arranged in Holder structure 2 can be magnetic metal piece or other can be played together
The effects of component.And can be the forms such as to paste, cover, inlaying between magnetic piece 4 and Holder structure 2, in order to not change
Under the premise of becoming the original shape of Holder structure 2, magnetic piece 4 can be designed as the form inlayed with Holder structure 2.Specifically
It please be detailed in Fig. 3.
The camera module eccentric correction device that present embodiment provides, Holder structure 2 and FPC substrate 1 can lead to
Viscose is crossed to be connected.It should be noted that Holder structure 2 is connected with FPC substrate 1 by viscose during eccentric correction
Connect, but at this time can under the action of repelling each other magnetic field magnetic force, make Holder structure 2 and FPC substrate 1 that relative motion occur, thus
The relative displacement for realizing the sensitivity centre of optical center and sensitive chip is finally overlapped the center of camera lens and sensitivity centre, complete
The correction of pairs of camera module bias, then 1 phase of Holder structure 2 and FPC substrate is fixed, guarantee the mounted article of camera module
Matter.
Present embodiment also provides a kind of camera module eccentric correction method, may include step: firstly, by FPC
Substrate 1 is placed in the space that coil plate 3 surrounds；Secondly, Holder structure 2 is connected with FPC substrate 1 and is located at photosensitive core
On piece, and four magnetic pieces 4 of Holder structure 2 is made to distinguish four coil plates 3 of face；Again, starting control calibration equipment,
And the center of camera lens and the sensitivity centre of sensitive chip are observed on a display screen；Finally, applying electric current to each coil plate 3, make
Opposite coil plate 3 and magnetic piece 4 is repelled each other because of same polarity, to drive Holder structure 2 mobile, and Holder structure 2 and FPC are made
Relative displacement occurs for substrate 1, to change the center of camera lens and the relative position of sensitivity centre；And according to the center of camera lens and sense
The relative position of light center, the size of current for changing each coil plate 3, until the center of camera lens and sensitivity centre are overlapped.Coil
The electric current of plate 3 is bigger, bigger with the repulsive force of corresponding magnetic piece 4, to drive Holder structure 2 mobile, until mirror
The center of head and sensitivity centre are overlapped, and complete the eccentric correction to camera module.
Above-mentioned camera module eccentric correction method, by changing the alive size of coil plate 3, being tied with changing to Holder
The driving force of structure 2 completes the correction to camera module.The process is simple and reliable, and the scope of application is wider.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (6)
1. a kind of camera module eccentric correction device characterized by comprising
FPC substrate (1), equipped with sensitive chip on the FPC substrate (1)；
Holder structure (2), the Holder structure (2) are connected with the FPC substrate (1), Holder structure (2) packet
Pedestal and boss are included, the boss is mutually fixed with camera lens, and the pedestal is cuboid, and four sides of the cuboid are equipped with
Magnetic piece (4)；
Calibration equipment is controlled, the control calibration equipment is equipped with display screen, and connects with the sensitive chip and camera lens communication
It connects, generates drive for showing the center of the camera lens and the sensitivity centre of the sensitive chip, and by the size of control electric current
Power；
Coil plate (3), the coil plate (3) are four, and it is opposite two-by-two that the Holder structure (2) is placed in the coil plate (3)
In the space surrounded, and each magnetic piece (4) difference each coil plate (3) of face；Each coil plate (3) according to
Outer power-up miscarriage magnetisation, and homopolarity magnetism is presented in the opposite coil plate (3) and the magnetic piece (4).
2. camera module eccentric correction device according to claim 1, which is characterized in that the magnetic piece (4) is magnetism
Sheet metal.
3. camera module eccentric correction device according to claim 1, which is characterized in that the Holder structure (2)
Material is plastics.
4. camera module eccentric correction device according to claim 1, which is characterized in that the magnetic piece (4) is embedded in
On the Holder structure (2).
5. camera module eccentric correction device according to claim 1, which is characterized in that the Holder structure (2) with
The FPC substrate (1) is fixed by glue.
6. a kind of camera module eccentric correction method, which is characterized in that comprising steps of
FPC substrate (1) is placed in the space that coil plate (3) surrounds by step 1；
Holder structure (2) is placed on the sensitive chip of the FPC substrate (1), and makes the Holder structure by step 2
(2) four magnetic pieces (4) face four coil plates (3) of difference；
Step 3, starting control calibration equipment, and observe in the center of camera lens and the photosensitive of the sensitive chip on a display screen
The heart；
Step 4 applies electric current to each coil plate (3), makes opposite coil plate (3) and magnetic piece (4) due to same polarity
Repel each other, to drive Holder structure (2) mobile, and according to the center of the camera lens and the relative position of the sensitivity centre, change
Become the size of current of each coil plate (3), until the center of the camera lens and the sensitivity centre are overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711041489.7A CN107770518B (en) | 2017-10-30 | 2017-10-30 | A kind of camera module eccentric correction device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711041489.7A CN107770518B (en) | 2017-10-30 | 2017-10-30 | A kind of camera module eccentric correction device and method |
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| Publication Number | Publication Date |
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| CN107770518A CN107770518A (en) | 2018-03-06 |
| CN107770518B true CN107770518B (en) | 2019-03-22 |
Family
ID=61270842
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| CN201711041489.7A Active CN107770518B (en) | 2017-10-30 | 2017-10-30 | A kind of camera module eccentric correction device and method |
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| KR100496643B1 (en) * | 2003-10-25 | 2005-06-20 | 한국전자통신연구원 | Self-aligned multi-layer metal film electro-lens of a micro-column electron beam apparatus and method for fabricating same |
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| Publication number | Publication date |
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| CN107770518A (en) | 2018-03-06 |
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