CN110365886A - A kind of optical anti-vibration camera module - Google Patents
A kind of optical anti-vibration camera module Download PDFInfo
- Publication number
- CN110365886A CN110365886A CN201910706150.7A CN201910706150A CN110365886A CN 110365886 A CN110365886 A CN 110365886A CN 201910706150 A CN201910706150 A CN 201910706150A CN 110365886 A CN110365886 A CN 110365886A
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- CN
- China
- Prior art keywords
- ois
- camera lens
- lens
- optical anti
- curved surface
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/682—Vibration or motion blur correction
- H04N23/685—Vibration or motion blur correction performed by mechanical compensation
- H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Adjustment Of Camera Lenses (AREA)
- Studio Devices (AREA)
- Lens Barrels (AREA)
Abstract
The invention proposes a kind of optical anti-vibration camera modules, including lens mount, OIS motor sub-assembly and sensor module, at least one curved surface camera lens is installed on the lens mount, the lens mount is fixed together with the OIS motor sub-assembly, and the OIS groups of motors can drive the camera lens mobile towards the horizontal direction vertical with curved surface camera lens optical axis direction.Common lens are improved to curved surface camera lens by optical anti-vibration camera module of the invention, especially when camera lens is beveled structure, in the case where similarly guaranteeing homogeneity and dark angle do not occur, the angle that umbrella shape camera lens can compensate for greatly increases, and can more guarantee the homogeneity of vision and improve dark angle problem.
Description
Technical field
The present invention relates to lens module field more particularly to a kind of optical anti-vibration camera modules.
Background technique
Camera with auto-focusing (AF:auto focusing) function that can automatically adjust camera lens focus when taking pictures
Mould group is widely used in the mobile electronic product of general digital camera, mobile phone or tablet computer etc.
Recently, it is not limited to auto-focusing (AF) function, is also had listed successively using the camera mould for preventing hand shaking device
Group.Hand shaking device is prevented to be broadly divided into electronic type and optical profile type.Electronic type compensation way (EIS:Electronic
ImageStabilizer) image processing is carried out for the picture signal that imaging sensor is exported.Optical image stabilizer
(OIS:Optical Image Stabilizer) then adjusted from theory of mechanisms imaging sensor or lens optical instrument position or
Angle.
There are two technology paths for Present day mobile electronic product OIS camera module: being respectively based on parallel-moving type (Pure
Shift) OIS focusing motor and be based on shift shaft type (Tilt-shift) focusing motor.Whether parallel-moving type or shift shaft type,
Basic principle is the same, i.e. image shift caused by hand shaking is offset and mended relative to Image sensor shift by control camera lens
It repays.And traditional OIS only has one group of eyeglass, to guarantee homogeneity and not occurring dark angle, the moving range of camera lens is limited, can only
Stabilization is just able to achieve in the region of very little.
Summary of the invention
For this purpose, the present invention provides a kind of optical anti-vibration camera module, to solve the mobile model of camera lens in the prior art
The problem of being with limit, just can only being able to achieve stabilization in the region of very little.
Optical anti-vibration camera module of the invention, including lens mount, OIS motor sub-assembly and sensor module, it is described
At least one curved surface camera lens is installed, the lens mount is fixed together with the OIS motor sub-assembly, the OIS on lens mount
Groups of motors can drive curved surface camera lens edge and the vertical horizontal direction of curved surface camera lens optical axis to move.
In one embodiment, the lens shape of the curved surface camera lens is umbrella shape.
In one embodiment, the OIS motor sub-assembly is shift shaft type OIS motor sub-assembly.
In one embodiment, the OIS motor sub-assembly includes OIS bracket, in fixed carrying and the OIS bracket
Permanent magnet and it is fixed on coil on the lens mount and opposite with the permanent magnet, the coil can be in the effect in magnetic field
The lower driving curved surface camera lens does the small inclination of any direction relative to the shaft fulcrum for being located at curved surface camera lens bottom.
In one embodiment, the OIS motor sub-assembly further includes AF driving, and the AF driving can drive the mirror
Head is gone up and down along the direction parallel with the optical axis direction of the curved surface camera lens.
In one embodiment, the lower section of the OIS motor sub-assembly, the sensor is arranged in the sensor module
Component includes sensor base, the imaging sensor being arranged in the sensor base and above imaging sensor
The route of microlens layer, the sensor module is connected with PCB circuit base plate.
In one embodiment, the OIS frame bottom is provided with motor pin, the motor pin and the PCB
Circuit base plate is fixedly connected.
In one embodiment, the OIS motor sub-assembly further includes OIS motor protective cover, and the OIS bracket is fixed
It the permanent magnet that is equipped on the OIS bracket and is fixed on the lens mount and the coil opposite with the permanent magnet is arranged
Inside the OIS motor protective cover.
In one embodiment, the optical anti-vibration camera module is additionally provided with protective cover outside curved surface camera lens, with
Protect the curved surface camera lens.
In one embodiment, the optical anti-vibration camera module further includes the gyroscope for sensing hand shaking.
Compared with prior art, common lens are improved to curved surface camera lens by optical anti-vibration camera module of the invention, especially
It is when camera lens is beveled structure, and in the case where similarly guaranteeing homogeneity and dark angle do not occur, umbrella shape camera lens can be mended
The angle repaid greatly increases, and can more guarantee the homogeneity of vision and improve dark angle problem.
Above-mentioned technical characteristic can be combined to produce new embodiment in various technically feasible modes, as long as can be real
The existing purpose of the present invention.
Detailed description of the invention
Hereinafter by based on only non-limiting embodiment and with reference to attached drawing come to the present invention retouched in more detail
It states.Wherein:
Fig. 1 shows a kind of structural schematic diagram of optical anti-vibration camera module according to the present invention.
Fig. 2 is the OIS motor sub-assembly structural schematic diagram in optical anti-vibration camera module shown in FIG. 1.
Identical component is indicated by identical appended drawing reference in the figure.The attached drawing is not drawn according to the actual ratio.
Wherein, appended drawing reference is,
100, optical anti-vibration camera module；1, lens mount；2, curved surface camera lens；3, OIS motor sub-assembly；31, OIS motor branch
Frame；32, permanent magnet；33, coil；34, AF drives；35, motor pin；36, OIS motor protective cover 4, sensor module；41, micro-
Lens jacket；42, imaging sensor；43, sensor base；5, PCB circuit base plate.
Specific embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.It needs to illustrate
It is that, as long as not constituting conflict, each feature in each embodiment and each embodiment in the present invention can be combined with each other, institute
The technical solution of formation is within the scope of the present invention.
The part that do not address in the present invention uses or uses for reference prior art and can be realized.
As depicted in figs. 1 and 2, optical anti-vibration camera module 100 of the invention, including lens mount 1, OIS motor sub-assembly 3
And sensor module 4, at least one curved surface camera lens 2 is installed on lens mount 1, lens mount 1 and OIS motor sub-assembly 3 are fixed
Together, OIS motor sub-assembly 3 can drive curved surface camera lens 2 to move along the horizontal direction vertical with the optical axis of curved surface camera lens 2.
Preferably, the lens shape of curved surface camera lens 2 is umbrella shape.It is highly preferred that the number of curved surface camera lens 2 is not limited only to only set
One is set, curved surface camera lens 2 can be two or more.
Camera lens is improved to beveled structure by optical anti-vibration camera module, compared with traditional OIS lens module, same
Guarantee homogeneity and in the case where there is not dark angle, the angle that umbrella shape camera lens can compensate for greatly increases, and increases stabilization benefit
Range is repaid, can more guarantee the homogeneity of vision and improves dark angle problem.
As shown in Fig. 2, OIS motor sub-assembly 3 is shift shaft type OIS motor sub-assembly, OIS motor sub-assembly 3 includes OIS bracket 31,
It fixes the permanent magnet 32 being equipped on OIS bracket 31 and is fixed on coil 33 on lens mount 1 and opposite with permanent magnet 32, when
When electric current is input in coil 33, since coil 33 is among magnetic field, the variation of electric current cause coil 33 and lens mount 1 by
Power, driving curved surface camera lens 2 (incline relative to the small inclination that a shaft fulcrum for being located at 2 bottom of curved surface camera lens does any direction
Rake angle is generally within positive and negative 1.5 degree).Since shaft is located at by the position of portrait attachment bottom, when camera lens tilts
When, camera lens top is actually translated relative to imaging sensor 42 or so, i.e. 2 edge of curved surface camera lens and the light with curved surface camera lens 2
The vertical horizontal direction of axis is mobile.
Optical anti-vibration camera module 100 further includes the gyroscope (not shown) that can sense hand shaking, works as camera lens
When shaking, gyroscope measures camera lens tilt angle caused by hand shaking, and system can be calculated according to the tilt angle inclines
Calculated offset data is simultaneously passed to OIS motor sub-assembly by image shift amount caused by tiltedly, and data information is converted to electricity
It spreads and passs coil, coil is among magnetic field, and the variation of electric current causes coil and lens mount by the effect of power, and then system
Control camera lens is generated into same size but contrary image shift relative to Image sensor shift, thus makes hand shaking
At image shift balance out, guarantee camera module image stabilization can be still kept in hand shaking environment.It is improved to when by camera lens
When curved surface camera lens, preferably beveled structure, camera lens in the case where deflecting larger angle, can still cover imaging sensor and
Be not in dark angle, increase stabilization compensation range, can more guarantee the homogeneity of vision and improves dark angle problem.
In one embodiment, OIS motor sub-assembly 3 further include AF drive 34, AF driving 34 can drive lens mount 1 along
The direction lifting parallel with the optical axis direction of curved surface camera lens 2, to offset the shake that camera lens generates in focusing direction.
Further, the lower section of OIS motor sub-assembly 3 is arranged in sensor module 4, and sensor module 4 includes sensor bottom
Seat 33, the imaging sensor 42 being arranged in sensor base 43 and the microlens layer 41 above imaging sensor 42,
The route of sensor module 4 is connected with PCB circuit base plate 5.
In one embodiment, the bottom of OIS bracket 31 is provided with motor pin 35, motor pin 35 and PCB route base
Plate 5 is fixedly connected.
In one embodiment, OIS motor sub-assembly 3 further includes OIS motor protective cover 36, and OIS bracket 31, fixation are equipped on
It permanent magnet 32 on OIS bracket 31 and is fixed on lens mount 1 and the coil 33 opposite with permanent magnet 32 is arranged at OIS horse
Up in protective cover 36.
Further, optical anti-vibration camera module 100 of the invention is additionally provided with protective cover (figure outside curved surface camera lens 2
In be not shown), with protect curved surface camera lens 2 by foreign object scratch or be contaminated by dust.
Unless otherwise defined, the technical term or scientific term that the present invention uses should be tool in fields of the present invention
The ordinary meaning for thering is the personage of general technical ability to be understood.The similar word such as " comprising " or "comprising" means occur before the word
Element or object cover the element for appearing in the word presented hereinafter or object and its equivalent, and be not excluded for other elements or
Person's object." connection " either the similar word such as " connected " is not limited to physics or mechanical connection, but can wrap
Electrical connection is included, it is either direct or indirect.In the description of the present invention, term " vertical ", "horizontal", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, after the absolute position for being described object changes, then the relative positional relationship may also be corresponding
Ground changes, therefore is not considered as limiting the invention.
So far, although one skilled in the art would recognize that being retouched by reference to preferred embodiment to the present invention
It states, but without departing from the scope of the invention, various improvement can be carried out to it and it can be replaced with equivalent
In component.Especially, as long as structural conflict is not present, items technical characteristic mentioned in the various embodiments can be any
Mode combines.The invention is not limited to specific embodiments disclosed herein, but including falling into the scope of the claims
Interior all technical solutions.
Claims (10)
1. a kind of optical anti-vibration camera module, including lens mount, OIS motor sub-assembly and sensor module, which is characterized in that
At least one curved surface camera lens is installed, the lens mount is fixed together with the OIS motor sub-assembly, described on the lens mount
OIS groups of motors can drive the curved surface camera lens to move along the horizontal direction vertical with the curved surface camera lens optical axis.
2. optical anti-vibration camera module according to claim 1, which is characterized in that the camera lens of the curved surface camera lens is umbrella
Shape.
3. optical anti-vibration camera module according to claim 2, which is characterized in that the OIS motor sub-assembly is to move axis
Formula OIS motor sub-assembly.
4. optical anti-vibration camera module according to claim 3, which is characterized in that the OIS motor sub-assembly includes OIS
Bracket, it is fixed to carry and the permanent magnet on the OIS bracket and be fixed on the lens mount and opposite with the permanent magnet
Coil, the coil can drive the curved surface camera lens to be located at the shaft of camera lens bottom relative to some under the influence of a magnetic field
Fulcrum does the small inclination of any direction.
5. optical anti-vibration camera module according to claim 4, which is characterized in that the OIS motor sub-assembly further includes
AF driving, the AF driving can drive the camera lens to go up and down along the direction parallel with the curved surface camera lens optical axis direction.
6. optical anti-vibration camera module according to claim 5, which is characterized in that the sensor module is arranged in institute
State the lower section of OIS motor sub-assembly, the sensor module includes sensor base, the image that is arranged in the sensor base
The route of sensor and the microlens layer above imaging sensor, the sensor module is connected with PCB circuit base plate.
7. the 6 optical anti-vibration camera module according to claim, which is characterized in that the OIS frame bottom is provided with
Motor pin, the motor pin are fixedly connected with the PCB circuit base plate.
8. according to the described in any item optical anti-vibration camera modules of claim 3-7, which is characterized in that the OIS groups of motors
Part further includes OIS motor protective cover, and the OIS bracket fixes the permanent magnet being equipped on the OIS bracket and is fixed on institute
It states on lens mount and the coil opposite with the permanent magnet is arranged inside the OIS motor protective cover.
9. optical anti-vibration camera module according to claim 1-7, which is characterized in that the optical anti-vibration is taken the photograph
As head mould group is additionally provided with lens protective cover outside curved surface camera lens, to protect the curved surface camera lens.
10. the 8 optical anti-vibration camera module according to claim, which is characterized in that the optical anti-vibration camera mould
Group further includes the gyroscope for sensing hand shaking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910706150.7A CN110365886A (en) | 2019-08-01 | 2019-08-01 | A kind of optical anti-vibration camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910706150.7A CN110365886A (en) | 2019-08-01 | 2019-08-01 | A kind of optical anti-vibration camera module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110365886A true CN110365886A (en) | 2019-10-22 |
Family
ID=68222967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910706150.7A Pending CN110365886A (en) | 2019-08-01 | 2019-08-01 | A kind of optical anti-vibration camera module |
Country Status (1)
| Country | Link |
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| CN (1) | CN110365886A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111405186A (en) * | 2020-03-31 | 2020-07-10 | 维沃移动通信（杭州）有限公司 | Camera module and electronic equipment |
| CN112644399A (en) * | 2020-12-29 | 2021-04-13 | 上海思快奇教育科技有限公司 | Education resource platform system based on internet |
| CN113472987A (en) * | 2021-06-30 | 2021-10-01 | 维沃移动通信（杭州）有限公司 | Imaging device and electronic apparatus |
| WO2021223223A1 (en) * | 2020-05-08 | 2021-11-11 | 南昌欧菲光电技术有限公司 | Anti-shake assembly, camera module, and electronic device |
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| CN109240020A (en) * | 2018-11-09 | 2019-01-18 | 宁波舜宇光电信息有限公司 | Lens module and camera module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111405186A (en) * | 2020-03-31 | 2020-07-10 | 维沃移动通信（杭州）有限公司 | Camera module and electronic equipment |
| WO2021223223A1 (en) * | 2020-05-08 | 2021-11-11 | 南昌欧菲光电技术有限公司 | Anti-shake assembly, camera module, and electronic device |
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| CN113472987A (en) * | 2021-06-30 | 2021-10-01 | 维沃移动通信（杭州）有限公司 | Imaging device and electronic apparatus |
| CN113472987B (en) * | 2021-06-30 | 2022-11-18 | 维沃移动通信（杭州）有限公司 | Imaging device and electronic apparatus |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191022 |
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| RJ01 | Rejection of invention patent application after publication |