CN106210466A - Electronic equipment and photographic head thereof - Google Patents
Electronic equipment and photographic head thereof Download PDFInfo
- Publication number
- CN106210466A CN106210466A CN201610513236.4A CN201610513236A CN106210466A CN 106210466 A CN106210466 A CN 106210466A CN 201610513236 A CN201610513236 A CN 201610513236A CN 106210466 A CN106210466 A CN 106210466A
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- CN
- China
- Prior art keywords
- microlens array
- photographic head
- variable
- lenticule
- camera lens
- Prior art date
- 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
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/12—Fluid-filled or evacuated lenses
- G02B3/14—Fluid-filled or evacuated lenses of variable focal length
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Push-Button Switches (AREA)
Abstract
This application discloses a kind of photographic head, including: camera lens；There is the imageing sensor of pel array；Cover microlens array on the image sensor, microlens array includes that the key light angle that can make microlens array changes, with the multiple variable lenticule realizing mating with the key light angle of camera lens, each variable lenticule is arranged with each pixel one_to_one corresponding of pel array, so that on through each lenticular light focusing to single pixel.The photographic head that the present invention provides, by the lenticule of composition microlens array is set to variable lenticule, the key light angle making microlens array can change, thus realize and the mating of camera lens key light angle, make photographic head during assembling production, camera lens can be selected more freely and there is the imageing sensor of microlens array, it is to avoid the coupling of camera lens and imageing sensor limits, and order is manufactured difficulty and is minimized.Present invention also offers a kind of electronic equipment with above-mentioned photographic head.
Description
Technical field
The present invention relates to technical field of electronic equipment, particularly to a kind of photographic head, the invention still further relates to that there is above-mentioned taking the photograph
A kind of electronic equipment as head.
Background technology
The electronic product such as mobile phone, notebook computer, has become as indispensable electronics in people's daily life, work and sets
Standby, along with people are more and more higher to the requirement of electronic product performance, photographic head has become as the electronics such as mobile phone, notebook computer and produces
The standard configuration parts of product.
Camera lens and imageing sensor (CMOS sensor) are the critical components of composition photographic head.The structure of imageing sensor
As it is shown in figure 1, be provided with microlens array 01, it is used for light-ray condensing to single pixel cell 02.Photographic head is entering
During row shooting, incident ray can sequentially pass through camera lens and microlens array 01, and eventually arrives at the picture of imageing sensor
On element unit 02 (as shown in Figure 1), owing to camera lens and microlens array 01 all exist CRA angle (from the imageing sensor one of camera lens
Side, the maximum angle that can focus on the light in pixel is defined as a parameter, referred to as key light angle, i.e. CRA angle), so
During assembling photographic head, then need the CRA angle ensureing camera lens and (there is microlens array 01) imageing sensor
CRA angle is mutually matched, and makes the CRA angle of camera lens and the CRA angle of imageing sensor differ within 2 degree, and otherwise photographic head shoots
Image there will be the bad phenomenon such as colour cast.
And conventionally, as camera lens and microlens array 01 self or its composition component are rigid member, institute
With camera lens and microlens array 01, its CRA angle after manufacturing cannot change, and is always certain value.Owing to photographic head is entering
During row Assembling Production, need to ensure that the CRA angle of camera lens and the CRA angle of microlens array 01 match, so can only select specific
Imageing sensor and camera lens with realize be mutually matched, this just causes restriction to the unrestricted choice of imageing sensor and camera lens,
Add the manufacture difficulty of photographic head.
Therefore, the most convenient manufacturing realizing photographic head, have become as current those skilled in the art urgently
Problem to be solved.
Summary of the invention
In view of this, the invention provides a kind of photographic head, it is in process of production it can be avoided that camera lens and image sensing
The coupling of device limits, and order is manufactured difficulty and is minimized.Present invention also offers a kind of electronics with above-mentioned photographic head to set
Standby.
In order to achieve the above object, the present invention provides following technical scheme:
A kind of photographic head, including:
Camera lens；
Imageing sensor, described imageing sensor has pel array；
Microlens array, covers on described imageing sensor, and described microlens array includes making described lenticule
The key light angle of array changes, with the multiple variable lenticule realizing mating with the key light angle of described camera lens, each described variable micro-
Lens are arranged with each pixel one_to_one corresponding of described pel array, so that through each described lenticular light focusing to single
In individual described pixel.
Preferably, in above-mentioned photographic head, there is morphologic change in described variable lenticule under voltage effect, described to realize
Microlens array position is set and/or the change of angle is set on described imageing sensor.
Preferably, in above-mentioned photographic head, described microlens array includes:
It is arranged on the transparency carrier on described imageing sensor；
Elastica, arranges on the substrate, and cooperatively forms multiple protrusion chamber, described protrusion chamber with described substrate
Inside it is filled with the liquid that light can be realized refraction, and whole described protrusion chamber is arranged with array way, each described convex
Go out chamber and its internal described liquid collectively forms a described variable lenticule.
Preferably, in above-mentioned photographic head, described liquid can flow under voltage effect, to drive described protrusion chamber
Room deforms and realizes the change of described variable lenticular refractive index.
Preferably, in above-mentioned photographic head, described liquid is silicone oil or water and the mixed liquor of silicon ketone oil.
Preferably, in above-mentioned photographic head, described elastica is transparent thin polymer film.
Preferably, in above-mentioned photographic head, described thin polymer film is transparent rubber thin film or transparent plastic film.
Preferably, in above-mentioned photographic head, whole described rounded array arrangements of protrusion chamber.
A kind of electronic equipment, including:
Photographic head, described photographic head includes camera lens and has variable lenticular microlens array；
Processor, the key light angle controlling described microlens array changes, to realize mating with the key light angle of described camera lens.
Preferably, in above-mentioned electronic equipment, it is big that described processor is applied to described variable lenticular voltage by control
Little, to realize the regulation at the key light angle to described microlens array.
Preferably, in above-mentioned electronic equipment, described microlens array includes:
Transparency carrier；
Elastica, arranges on the substrate, and cooperatively forms multiple protrusion chamber, described protrusion chamber with described substrate
Inside it is filled with the liquid that light can be realized refraction, each described protrusion chamber and its internal described liquid and collectively forms one
Individual described variable lenticule, described liquid can flow under the effect of voltage, to drive described protrusion chamber to become
Shape and realize the change at the key light angle of described variable microlens array.
The photographic head that the present invention provides, mainly includes camera lens, imageing sensor and microlens array.Wherein, image sensing
It is provided with the pel array being made up of multiple pixels on device, and microlens array is also provided with on the image sensor, this lenticule
Array is made up of multiple variable lenticulees, and each variable lenticule and the man-to-man setting of each pixel, so that wear
Crossing each lenticular light and can focus in single pixel, main improvements are then, variable lenticular
Form can change, when multiple variable lenticular forms change, it becomes possible to cause the key light of microlens array
Angle changes, and is allowed to be changing into the numerical value that the key light angle with camera lens is mated, to ensure the quality of shooting image.The present invention carries
The photographic head of confession, by being set to variable lenticule by the lenticule of composition microlens array so that the key light of microlens array
Angle can change, thus realizes and the mating of camera lens key light angle, and makes photographic head during assembling production, it is possible to more freely
Select camera lens and there is the imageing sensor of microlens array, it is to avoid the coupling of camera lens and imageing sensor limits, and order produces
Manufacture difficulty is minimized.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
Fig. 1 is the structural representation of imageing sensor in prior art.
The structural representation of the microlens array that Fig. 2 provides for the embodiment of the present invention；
The structural representation of the imageing sensor that Fig. 3 provides for the embodiment of the present invention.
In Fig. 1-Fig. 3:
01-microlens array, 02-pixel cell；
1-transparency carrier, 2-elastica, 3-protrudes chamber, 4-liquid.
Detailed description of the invention
The invention provides a kind of photographic head, it is it can be avoided that the coupling of camera lens and imageing sensor limits, and order produces system
Make difficulty to be minimized.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
As shown in Figures 2 and 3, the photographic head that the embodiment of the present invention provides, include camera lens, there is the image of pel array
Sensor, and cover the microlens array in image sensor surface, constitute each lenticule and the structure of this microlens array
Each pixel of pixel arrays aligns setting one by one, so that can focus on therewith through each lenticular light
In the single pixel aligned.Wherein, topmost the improvement is that, above-mentioned lenticule be form can change variable
Lenticule, by multiple variable lenticular metamorphosis, it is possible to the key light angle of whole microlens array is changed, logical
Cross this to change, it becomes possible to make the key light angle of microlens array and key light angle (the key light angle of camera lens the is constant) realization of camera lens
Join.
The present embodiment, by being set to variable lenticule by the lenticule of composition microlens array so that microlens array
Key light angle can change, by adjusting the key light angle of microlens array, it becomes possible to realize and the mating of camera lens key light angle, thus
Camera lens can be selected more freely and there is the imageing sensor of microlens array, it is to avoid camera lens and imageing sensor
Joining restriction, order is manufactured difficulty and is minimized.
In the present embodiment, the most variable lenticule is the morphologic change occurred under voltage effect, by the change of form
Realize microlens array position is set and/or the change of angle is set on the image sensor.In the present embodiment, the most variable
Lenticule is the lenticule that morphologic change can occur under voltage effect, thus realizes whole by lenticular morphologic change
Microlens array position is set and/or the change of angle is set on the image sensor.Certainly, variable lenticule can also be
There is the lenticule of morphologic change under pressure.
As in figure 2 it is shown, microlens array includes: arrange transparency carrier 1 on the image sensor, be arranged on transparency carrier
Elastica 2 on 1, elastica 2 and transparency carrier 1 cooperatively form the protrusion chamber 3 on multiple protrusion transparency carrier 1 surface, protrude
It is filled with the liquid 4 that light can be realized refraction, each protrusion chamber 3 and its internal liquid 4 in chamber 3 and collectively forms one
Individual variable lenticule.In the present embodiment, between elastica 2 and transparent glass substrate, fill liquid 4 to be formed by using
Variable lenticule (i.e. microfluid lens), owing to elastica 2 has elasticity, liquid 4 has mobility, it is possible to realize variable
Lenticular metamorphosis.And all protrude chamber 3 and form microlens array with array way arrangement.Certainly, ensureing
On the premise of photographic head can normally work, variable lenticule can also protrude in chamber 3 by elastica 2 and being filled in other
The elastic material that can deform is constituted.
On the premise of variable lenticule occurs morphologic change under voltage effect, concrete shifting gears is: liquid 4 can
Flow under voltage effect, realize the change of variable lenticular refractive index to drive protrusion chamber 3 to deform.This liquid
4 have higher refractive index, it is possible to light realizes the refraction of larger angle, so that each protrusion chamber 3 and interior liquid thereof
Body 4 forms a variable lenticule, then constitutes micro-with whole protrusion chambers 3 of array way arrangement and the liquid 4 of inside thereof
Lens arra.Owing to constituting the elastica 2 protruding chamber 3 there is elasticity, and fill in protruding chamber 3 for flowing
Liquid 4, and this liquid 4 can flow under voltage effect, so when microlens array is applied voltage, being wrapped in liquid
Elastica 2 outside 4 deforms under the drive of liquid 4 so that protrude chamber 3 form (refer to protrude chamber 3 from
Figure shape and the position on transparency carrier 1) change, make variable lenticular refractive index change the most therewith, and then make
Must change through the direction of propagation of the incident ray of this protrusion chamber 3.Pass when above-mentioned microlens array is applied to image
On sensor, and when using this imageing sensor assembling photographic head, make the protrusion chamber 3 of composition microlens array by applying voltage
Deform, it becomes possible to change microlens array relative to the position of the pixel cell of imageing sensor and curvature, and then realize
The key light angle change of imageing sensor so that it is can realize mating with the key light angle of the camera lens of photographic head.
Preferably, liquid 4 is silicone oil or water and the mixed liquor of silicon ketone oil.In the present embodiment, liquid 4 needs have higher
Refractive index, and can flow under the effect of voltage, carry so the liquid meeting above-mentioned requirements all may apply to the present embodiment
In the variable lenticule of confession, the present embodiment then preferred liquid 4 is the silicone oil being prone to draw materials, or, water and the mixing of silicon ketone oil
Liquid.
In the photographic head that the present embodiment provides, the elastica 2 of microlens array is preferably thin polymer film, the most thoroughly
Bright rubber film or transparent plastic film.In the present embodiment, it is desirable to elastica 2 has elastic and transparent, it is possible to meet above-mentioned wanting
The material asked all can be used to the elastica 2 manufacturing in the present embodiment, and the present embodiment why preferably clear rubber film or
Transparent plastic film, is because it relatively conventional and cheap.
Further, the present embodiment the most all protrudes the rounded array arrangement of chamber 3.In order to adapt to whole photographic head
Manufacture requirements, the present embodiment the most all protrudes the rounded array arrangement of chamber 3 and the conglobate microlens array of shape.Except this
Outside, on the premise of ensureing that photographic head normally works, all protrude chamber 3 and arrange in Polygonal arrays, such as square array,
Hexagonal array etc..
Additionally, the present embodiment additionally provides a kind of electronic equipment, this electronic equipment includes above-mentioned photographic head, and controls
The processor that the key light angle of microlens array changes, this processor by control microlens array key light angle changing value,
Realize the key light angle with camera lens to mate.
Concrete, processor is applied to variable lenticular voltage swing by control, to realize microlens array
The regulation at key light angle.In the electronic device, including aforementioned microlens array, this microlens array kind, constitute the bullet protruding chamber 3
Property film 2 there is elasticity, and fill in protruding chamber 3 for the liquid 4 that can flow, so when microlens array is applied electricity
During pressure, it is wrapped in the elastica 2 outside liquid 4 and deforms under the drive of liquid 4 so that protrude the morphologic change of chamber 3,
Processor is applied to the voltage swing of microlens array by control, it is achieved the control to the metamorphosis amount protruding chamber 3, enters
And control the variable lenticular refractive index changed with metamorphosis, the final change realizing the key light angle to microlens array
Amount controls.When using the imageing sensor assembling photographic head with above-mentioned microlens array, control voltage by processor and make structure
Become microlens array protrusion chamber 3 deform, it becomes possible to realize imageing sensor key light angle change so that it is can with take the photograph
As the key light angle of the camera lens of head realizes coupling.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, remaining identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (11)
1. a photographic head, it is characterised in that including:
Camera lens；
Imageing sensor, described imageing sensor has pel array；
Microlens array, covers on described imageing sensor, and described microlens array includes making described microlens array
Key light angle change, to realize the multiple variable lenticule that mates, each described variable lenticule with the key light angle of described camera lens
Arrange with each pixel one_to_one corresponding of described pel array, so that through each described lenticular light focusing to single institute
State in pixel.
Photographic head the most according to claim 1, it is characterised in that described variable lenticule occurs form under voltage effect
Change, to realize described microlens array arranging position and/or arranging the change of angle on described imageing sensor.
Photographic head the most according to claim 2, it is characterised in that described microlens array includes:
It is arranged on the transparency carrier on described imageing sensor；
Elastica, arranges on the substrate, and cooperatively forms multiple protrusion chamber with described substrate, fill out in described protrusion chamber
It is filled with the liquid that light can be realized refraction, and whole described protrusion chamber is arranged with array way, each described protrusion chamber
Room and its internal described liquid collectively form a described variable lenticule.
Photographic head the most according to claim 3, it is characterised in that described liquid can flow under voltage effect,
To drive the deformation of described protrusion chamber to realize the change of described variable lenticular refractive index.
Photographic head the most according to claim 3, it is characterised in that described liquid is silicone oil or water and the mixing of silicon ketone oil
Liquid.
Microlens array the most according to claim 3, it is characterised in that described elastica is transparent thin polymer film.
Microlens array the most according to claim 3, it is characterised in that described thin polymer film be transparent rubber thin film or
Transparent plastic film.
Microlens array the most according to claim 3, it is characterised in that whole described rounded arrays of protrusion chamber are arranged
Cloth.
9. an electronic equipment, it is characterised in that including:
Photographic head, described photographic head includes camera lens and has variable lenticular microlens array；
Processor, the key light angle controlling described microlens array changes, to realize mating with the key light angle of described camera lens.
Electronic equipment the most according to claim 9, it is characterised in that described processor by control be applied to described can
Become lenticular voltage swing, to realize the regulation at the key light angle to described microlens array.
11. electronic equipments according to claim 10, it is characterised in that described microlens array includes:
Transparency carrier；
Elastica, arranges on the substrate, and cooperatively forms multiple protrusion chamber with described substrate, fill out in described protrusion chamber
It is filled with the liquid that light can be realized refraction, each described protrusion chamber and its internal described liquid and collectively forms an institute
Stating variable lenticule, described liquid can flow under the effect of voltage, driving described protrusion chamber to deform and
Realize the change at the key light angle of described variable microlens array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610513236.4A CN106210466A (en) | 2016-06-30 | 2016-06-30 | Electronic equipment and photographic head thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610513236.4A CN106210466A (en) | 2016-06-30 | 2016-06-30 | Electronic equipment and photographic head thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106210466A true CN106210466A (en) | 2016-12-07 |
Family
ID=57463197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610513236.4A Pending CN106210466A (en) | 2016-06-30 | 2016-06-30 | Electronic equipment and photographic head thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN106210466A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106973205A (en) * | 2017-04-27 | 2017-07-21 | 上海斐讯数据通信技术有限公司 | A kind of camera, camera imaging method and mobile terminal |
| CN107613177A (en) * | 2017-10-16 | 2018-01-19 | 上海斐讯数据通信技术有限公司 | Camera, imaging method and mobile terminal based on fly's-eye lens |
| CN111025528A (en) * | 2019-11-29 | 2020-04-17 | 华为机器有限公司 | Imaging system, camera module and mobile terminal |
| CN112004011A (en) * | 2020-08-27 | 2020-11-27 | 北京三快在线科技有限公司 | Image acquisition method and device and light path conversion element |
| CN113079305A (en) * | 2021-04-27 | 2021-07-06 | 维沃移动通信有限公司 | Photosensitive module, camera module and shooting method |
| WO2021223225A1 (en) * | 2020-05-08 | 2021-11-11 | 广州得尔塔影像技术有限公司 | Camera assembly, camera module, and electronic device |
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Application publication date: 20161207 |