CN205883392U - Image focusing system , shooting device and electronic equipment - Google Patents
Image focusing system , shooting device and electronic equipment Download PDFInfo
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- CN205883392U CN205883392U CN201620817646.3U CN201620817646U CN205883392U CN 205883392 U CN205883392 U CN 205883392U CN 201620817646 U CN201620817646 U CN 201620817646U CN 205883392 U CN205883392 U CN 205883392U
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- lens assembly
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Abstract
The utility model provides an image focusing system, shooting device and electronic equipment, wherein, this image focusing system, include: micro -electro -mechanical system, little motor system includes: gu fixed electrode, and with gu fixed electrode complex float electrode, and with float electrode fixed connection's camera lens subassembly, gu fixed electrode reaches the float electrode is used for producing electrostatic force under driving voltage's effect, the float electrode is used for the effect of electrostatic force is moved down, in order to drive the camera lens subassembly moves, in order to focus. The utility model discloses a micro -electro -mechanical system who is made by the semiconductor device manufacture technique takes the first subassembly of moving mirror to remove in order to focus, is favorable to image focusing system's miniaturization, improves the efficiency of focusing.
Description
Technical field
This utility model relates to image focusing technical field, particularly to a kind of image focusing system, filming apparatus and electricity
Subset.
Background technology
At present, the front-facing camera of big multi-mobile-terminal is cameras with fixed focus, can only fix a focal distance.Current
Motor, the height such as voice coil motor (Voice Coil Motor, VCM) is minimum at more than 2.3mm, if therefore using voice coil loudspeaker voice coil horse
Reach and focus, then can cause photographic head modular volume and the most all can increase.Additionally, most of voice coil motors are spring-piece types
, owing to spring is flexible, therefore needing certain stabilization time during focusing, focusing time is longer.
Utility model content
This utility model is intended to solve above-mentioned technical problem the most to a certain extent.
To this end, first purpose of the present utility model is to propose a kind of image focusing system, beneficially image focusing system
The miniaturization of system, improves focusing efficiency.
Second purpose of the present utility model is to propose a kind of filming apparatus.
3rd purpose of the present utility model is to propose a kind of electronic equipment.
For reaching above-mentioned purpose, propose a kind of image focusing system according to this utility model first aspect, including:
MEMS, described microelectromechanical-systems includes:
Fixed electrode；And
The float electrode coordinated with described fixed electrode；And
The lens assembly being connected is fixed with described float electrode；
Described fixed electrode and described float electrode are for producing electrostatic force, described flexible lamp under the effect of driving voltage
Pole is for moving, to drive described lens assembly to move, to focus under the effect of described electrostatic force.
According to image focusing system of the present utility model, also can have a following additional technical feature:
In an embodiment of the present utility model, described fixed electrode and described float electrode are the pectination cooperated
Electrode.
In an embodiment of the present utility model, the displacement of described driving voltage and described lens assembly is linearly
Relation.
In an embodiment of the present utility model, if described float electrode and described lens assembly are away from sensitive chip
One end fixing connect, the distance of the most described lens assembly and described sensitive chip is negative correlativing relation with described driving voltage.
In an embodiment of the present utility model, if described float electrode and described lens assembly are close to sensitive chip
One end fixing connect, the distance of the most described lens assembly and described sensitive chip and described driving voltage correlation.
In an embodiment of the present utility model, described MEMS includes multipair described fixed electrode and described work
Moving electrode, described multipair described fixed electrode and described float electrode are separately positioned on many sides of described lens assembly.
In an embodiment of the present utility model, described lens assembly is the camera lens in the front-facing camera of mobile terminal
Assembly.
In an embodiment of the present utility model, described fixed electrode is connected with the positive pole of power supply, described float electrode
It is connected with the negative pole of described power supply.
This utility model second aspect provides a kind of filming apparatus, including this utility model first aspect any embodiment
Image focusing system.
This utility model second aspect provides a kind of electronic equipment, including this utility model second aspect arbitrary shooting dress
Put.
The image focusing system of this utility model embodiment, filming apparatus and electronic equipment, by the work of microelectromechanical-systems
Moving electrode drives lens assembly to move under the effect of driving voltage, it is achieved focusing, owing to microelectromechanical-systems size is little, therefore has
It is beneficial to the miniaturization of image focusing system.Additionally, drive lens assembly to move by the float electrode of microelectromechanical-systems, and disobey
Relying in elastic deformation, therefore, it is possible to quickly and stably control the position of lens assembly, focusing time is short, improves focusing efficiency.
Additional aspect of the present utility model and advantage will part be given in the following description, and part will be from explained below
In become obvious, or recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from combining general the accompanying drawings below description to embodiment
Become obvious and easy to understand, wherein:
Fig. 1 is the structural representation according to one image focusing system of this utility model；
Fig. 2 a is the structural representation according to one microelectromechanical-systems of this utility model；
Fig. 2 b is the structural representation according to another microelectromechanical-systems of this utility model.
Main element symbol description:
Image focusing system 10, MEMS 12, lens assembly 14, fixed electrode 122, float electrode 124, substrate
16, sensitive chip 18 and support member 19
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most ad initio
Represent same or similar element to same or similar label eventually or there is the element of same or like function.Below by ginseng
It is exemplary for examining the embodiment that accompanying drawing describes, and is only used for explaining this utility model, and it is not intended that to of the present utility model
Limit.
Below with reference to the accompanying drawings describe the image focusing system according to this utility model embodiment, filming apparatus and electronics to set
Standby.
Fig. 1 is the structural representation of the image focusing system according to one embodiment of this utility model.
As it is shown in figure 1, include according to the image focusing system 10 of this utility model embodiment: MEMS (micro
Electro-mechanical system, MEMS) 12 and lens assembly 14.MEMS 12 includes: fixed electrode 122 and
Float electrode 124.
Wherein, float electrode 124 matches with fixed electrode 122.
Lens assembly 14 is fixing with float electrode 124 to be connected.
Fixed electrode 122 and float electrode 124 are for producing electrostatic force, float electrode 124 under the effect of driving voltage
For moving under the effect of described electrostatic force, to drive lens assembly 14 to move, to focus.This MEMS 12 is made
For focusing motor, stroke is generally 200 microns, and mobile accuracy (minimum range that this MEMS 12 single moves) can arrive
1 micron (Pixel Dimensions rank).
MEMS grows up on the basis of microelectric technique (semiconductor fabrication), has merged photoetching, burn into thin
The high-tech electronic mechanical devices that the technology such as film, LIGA, silicon micromachined, non-silicon micromachined and precision optical machinery processing manufacture, compares
In existing voice coil motor, there is less size (grade), facilitate views with the miniaturization of image focusing system.
According to the image focusing system of this utility model embodiment, by the float electrode of microelectromechanical-systems at driving voltage
Effect under drive lens assembly move, it is achieved focusing, owing to microelectromechanical-systems size is little, be thus advantageous to image focusing system
Miniaturization.Additionally, drive lens assembly to move by the float electrode of microelectromechanical-systems, it is not rely on elastic deformation, because of
This can quickly and stably control the position of lens assembly, and focusing time is short, improves focusing efficiency.
In an embodiment of the present utility model, MEMS 12 can include multipair fixed electrode 122 and flexible lamp
Pole 124, multipair fixed electrode 122 and float electrode 124 can be separately positioned on many sides of lens assembly 14.For example, can be such as
Shown in Fig. 1, two pairs of fixed electrodes 122 and float electrode 124 can be separately positioned on the both sides of lens assembly 14.Or, also can be by
Multipair fixed electrode 122 and float electrode 124 are distributed in around lens assembly 14 according to interval predetermined angle, with by organizing work more
Moving electrode 124 drives lens assembly 14 to move, thus promotes the translational speed of lens assembly 14, to promote focusing efficiency.
In an embodiment of the present utility model, image focusing system can include substrate 16, be arranged on substrate 16
Sensitive chip 18 and for supporting the support member 19 of MEMS 12 and lens assembly.
Fixed electrode 122 can be fixed on support member 19.
Specifically, in an embodiment of the present utility model, as it is shown in figure 1, fixed electrode 122 can be fixed on support member
The position on close lens assembly 14 top of 19, float electrode 124 is then positioned close to the position of lens assembly 14 bottom, the most alive
Moving electrode 124 and lens assembly 14 are fixing close to one end of sensitive chip 18 to be connected.Thus, float electrode 124 can drive electricity
The effect of pressure is lower drives lens assembly 14 to move to the direction away from sensitive chip 18.With this understanding, lens assembly 14 and sense
The distance of optical chip 18 and driving voltage correlation.It is to say, driving voltage is the biggest, lens assembly 14 and photosensitive core
The distance of sheet 18 is the biggest.
In another embodiment of the present utility model, contrary with embodiment illustrated in fig. 1, fixed electrode 122 can be fixed on
The position of close lens assembly 14 bottom of support member 19, float electrode 124 is then positioned close to the position on lens assembly 14 top
Put, i.e. float electrode 134 and lens assembly 14 is connected away from one end of sensitive chip 18 is fixing.Thus, float electrode 124 can be
The effect of driving voltage is lower drives lens assembly 14 to move to the direction near sensitive chip 18.With this understanding, lens assembly
14 is negative correlativing relation with the distance of sensitive chip 18 with driving voltage.It is to say, driving voltage is the biggest, lens assembly 14 with
The distance of sensitive chip 18 is the least.
In an embodiment of the present utility model, the fixed electrode 122 of MEMS 12 is connected with the positive pole of power supply,
Float electrode 124 is connected with the negative pole of power supply, thus power supply can be MEMS 12 provides driving voltage.
Specifically, along with the increase of driving voltage, float electrode 124 can gradually move to direction, fixed electrode 122 place,
And then the displacement of drive lens assembly 14 is the biggest.
In embodiment of the present utility model, driving voltage is linear with the displacement of lens assembly 14.The most just
Being to say, each driving voltage can a unique corresponding displacement.Can be preset each and drive film and lens assembly 14
The corresponding relation of displacement.And then, the movement of lens assembly 14 can be controlled to different by the size adjusting driving voltage
Position, it is achieved focusing.
For example, when driving voltage is 0, float electrode 124 and fixed electrode 122 for being kept completely separate state, i.e. from
Farthest state, the displacement of lens assembly 14 is 0.When driving voltage is gradually increased, float electrode 124 is to fixing electricity
Pole 122 is close.
Thus, the displacement of lens assembly 14 can be controlled by adjusting driving voltage exactly, lead to relative to traditional
For crossing the mode that spring-piece type voice coil motor drive lens assembly moves, stabilization time is extremely short, thus is effectively improved focusing efficiency.
As shown in Figure 2 a, in an embodiment of the present utility model, fixed electrode 122 and float electrode 124 are mutual
The comb electrode coordinated.By using comb electrode, the area between fixed electrode 122 and float electrode 124 coordinates more, drives
The efficiency that galvanic electricity pressure changes into electrostatic force is high, thus can reduce power consumption.
For the comb electrode shown in Fig. 2 a, when driving voltage reaches maximum, fixed electrode 122 and float electrode
124 reach minimum distance, as shown in Figure 2 b.
In an embodiment of the present utility model, lens assembly 14 can be the mirror in the front-facing camera of mobile terminal
Head assembly.Mostly can only fix a focusing focal length due to the front-facing camera in mobile terminal, shooting effect is undesirable.Cause
This, the image focusing system of this utility model embodiment is applied can be in the least increasing in the front-facing camera of mobile terminal
Promoting the shooting effect of front-facing camera on the premise of adding front-facing camera size and volume, exemplarily, this utility model is real
The image focusing system executing example applies the front-facing camera at mobile terminal, and the distance that can take into account hand-held and self-shooting bar is carried out
Shape library, particularly for the object distance range preposition photographic subjects between 30 centimetres to 120 centimetres.
For the front-facing camera of mobile terminal, it is mainly used in close shot shooting, therefore, the initial bit of lens assembly 14
Put the position of lens assembly 14 in the position that may be configured as close to sensitive chip 18, i.e. Fig. 1.Fixed electrode 122 is fixed on
The position on close lens assembly 14 top of support member 19, float electrode 124 is then positioned close to the position of lens assembly 14 bottom
The set-up mode put, initial boost voltage may be configured as 0, thus can by be gradually increased driving voltage control lens assembly 14 by
Gradually away from sensitive chip 18, to focus.
Fixed electrode 122 being fixed on to the position of close lens assembly 14 bottom of support member 19, float electrode 124 is then
Being positioned close to the set-up mode of the position on lens assembly 14 top, initial boost voltage may be configured as maximum, thus can lead to
Cross be gradually reduced driving voltage control lens assembly 14 be gradually distance from sensitive chip 18, to focus.
This utility model also proposes a kind of filming apparatus.
According to the filming apparatus of this utility model embodiment, the image focusing including this utility model any embodiment is
System, drives lens assembly to move by the float electrode of microelectromechanical-systems under the effect of driving voltage, it is achieved focusing, due to micro-
Electric system size is little, is thus advantageous to the miniaturization of image focusing system.Additionally, by the float electrode band of microelectromechanical-systems
Dynamic lens assembly moves, and is not rely on elastic deformation, therefore, it is possible to quickly and stably control the position of lens assembly, and focusing
Time is short, improves focusing efficiency.
This utility model also proposes a kind of electronic equipment.
According to the electronic equipment of this utility model embodiment, including the filming apparatus of this utility model any embodiment, logical
The float electrode crossing microelectromechanical-systems drives lens assembly to move under the effect of driving voltage, it is achieved focusing, due to micro machine
System dimension is little, is thus advantageous to the miniaturization of image focusing system.Additionally, by the float electrode band index glass of microelectromechanical-systems
Head assembly moves, and is not rely on elastic deformation, therefore, it is possible to quickly and stably control the position of lens assembly, focusing time
Short, improve focusing efficiency.
It should be noted that the electronic equipment of this utility model embodiment is mobile phone or panel computer, and this practicality is new
The filming apparatus of type embodiment can be mobile phone or the Front camera of panel computer or rearmounted camera.
Those skilled in the art, after considering description and putting into practice utility model disclosed herein, will readily occur to this practicality
Other novel embodiment.This utility model is intended to any modification of the present utility model, purposes or adaptations,
These modification, purposes or adaptations are followed general principle of the present utility model and include undocumented skill of the disclosure
Common knowledge in art field or conventional techniques means.Description and embodiments is considered only as exemplary, of the present utility model
True scope and spirit are pointed out by claim below.
It should be appreciated that this utility model is not limited to accurate knot described above and illustrated in the accompanying drawings
Structure, and various modifications and changes can carried out without departing from the scope.Scope of the present utility model is only wanted by appended right
Ask and limit.
Claims (10)
1. an image focusing system, it is characterised in that including:
MEMS, described microelectromechanical-systems includes:
Fixed electrode；And
The float electrode coordinated with described fixed electrode；And
The lens assembly being connected is fixed with described float electrode；
Described fixed electrode and described float electrode are for producing electrostatic force under the effect of driving voltage, and described float electrode is used
Move under the effect at described electrostatic force, to drive described lens assembly to move, to focus.
2. the system as claimed in claim 1, it is characterised in that described fixed electrode and described float electrode are cooperate
Comb electrode.
3. the movement of the system as claimed in claim 1, it is characterised in that wherein, described driving voltage and described lens assembly
Apart from linear.
4. the system as claimed in claim 1, it is characterised in that
If described float electrode and described lens assembly are connected away from one end of sensitive chip is fixing, the most described lens assembly and
The distance of described sensitive chip and described driving voltage are negative correlativing relation.
5. the system as claimed in claim 1, it is characterised in that
Is connected if described float electrode and described lens assembly are fixing close to one end of sensitive chip, the most described lens assembly and
The distance of described sensitive chip and described driving voltage correlation.
6. the system as claimed in claim 1, it is characterised in that described MEMS includes multipair described fixed electrode and institute
Stating float electrode, described multipair described fixed electrode and described float electrode are separately positioned on many sides of described lens assembly.
7. the system as claimed in claim 1, it is characterised in that described lens assembly is in the front-facing camera of mobile terminal
Lens assembly.
8. the system as claimed in claim 1, it is characterised in that wherein, described fixed electrode is connected with the positive pole of power supply, described
Float electrode is connected with the negative pole of described power supply.
9. a filming apparatus, it is characterised in that include the image focusing system as described in any one of claim 1-8.
10. an electronic equipment, it is characterised in that include filming apparatus as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620817646.3U CN205883392U (en) | 2016-07-29 | 2016-07-29 | Image focusing system , shooting device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620817646.3U CN205883392U (en) | 2016-07-29 | 2016-07-29 | Image focusing system , shooting device and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205883392U true CN205883392U (en) | 2017-01-11 |
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ID=57699470
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620817646.3U Expired - Fee Related CN205883392U (en) | 2016-07-29 | 2016-07-29 | Image focusing system , shooting device and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205883392U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106060366A (en) * | 2016-07-29 | 2016-10-26 | 广东欧珀移动通信有限公司 | Image focusing system, shooting device and electronic equipment |
| WO2021120573A1 (en) * | 2019-12-16 | 2021-06-24 | 中芯集成电路（宁波）有限公司 | Imaging module and method for manufacturing same |
-
2016
- 2016-07-29 CN CN201620817646.3U patent/CN205883392U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106060366A (en) * | 2016-07-29 | 2016-10-26 | 广东欧珀移动通信有限公司 | Image focusing system, shooting device and electronic equipment |
| WO2021120573A1 (en) * | 2019-12-16 | 2021-06-24 | 中芯集成电路（宁波）有限公司 | Imaging module and method for manufacturing same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |