CN206074970U - Lens arra driver element, liquid crystal lens array and imaging device - Google Patents
Lens arra driver element, liquid crystal lens array and imaging device Download PDFInfo
- Publication number
- CN206074970U CN206074970U CN201620977334.9U CN201620977334U CN206074970U CN 206074970 U CN206074970 U CN 206074970U CN 201620977334 U CN201620977334 U CN 201620977334U CN 206074970 U CN206074970 U CN 206074970U
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- crystal lens
- lens
- electrode
- signal
- 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.)
- Active
Links
Landscapes
- Liquid Crystal (AREA)
Abstract
This utility model discloses a kind of lens arra driver element, liquid crystal lens array and imaging device.The lens arra driver element includes：Micro-control circuit, works for controlling the lens arra driver element；Signal generating circuit, for producing the initial driving signal for driving liquid crystal lens；Address decoder, for receiving the signal of the inquiry liquid crystal lens address to be driven of micro-control circuit output, exports the address information of the liquid crystal lens to be driven；Signal amplitude modulation circuit, according to the address information that the control signal and the address decoder of the liquid crystal lens to be driven of micro-control circuit output send, the initial driving signal is carried out into output drive signal after amplitude modulation and drives the to be driven liquid crystal lens corresponding with the address information.This utility model specifies the independent drive control of liquid crystal lens in being capable of achieving liquid crystal lens array, so as to lift the design flexibility of subsequent optical system, simplification figure is as splicing difficulty, and improves image quality.
Description
Technical field
This utility model is related to liquid crystal lens technical field, and in particular to a kind of lens arra driver element, liquid crystal lens
Array and imaging device.
Background technology
It is as liquid crystal lens array device has small volume, lightweight, the advantage such as small power consumption, which is realized without the need for mechanical part
The characteristics of adjustable focal length, shows exclusive advantage.Through development in recent years, liquid crystal lens and its array optical communication device,
The various fields such as fiber switch, optical deflection device, 3D show, integrated image system and image procossing have great potential application
Value.
In the prior art, when being imaged using liquid crystal lens array, in order to obtain high-quality image, need to increase liquid crystal
The aperture opening ratio (Aperture) of lens arra, this is accomplished by making the spacing between liquid crystal lens reduce as far as possible.Experimental studies have found that,
In liquid crystal lens array, when when in small distance between adjacent two liquid crystal lens, using the driving of existing liquid crystal lens array
Mode, to will likely result in and produce interference between closest adjacent two liquid crystal lens, and this interference should to liquid crystal lens array
During in the technical fields such as imaging, image quality is influenced whether.
Additionally, substantial amounts of liquid crystal lens are arranged in array in the liquid crystal lens array for imaging device, due to liquid crystal
Lens sizes are little to grade, and cabling is more complicated, typically one total output, while complete in the whole liquid crystal lens array of control
Portion's liquid crystal lens.It is more difficult if it will be precisely controlled to the wherein a certain liquid crystal lens specified at a certain driving moment.
Thus be necessary to propose a kind of lens arra driver element, to solve to specify the independent of liquid crystal lens to drive in liquid crystal lens array
Control problem.
Utility model content
This utility model provides a kind of lens arra driver element, liquid crystal lens array and imaging device, existing to solve
In having the liquid crystal lens array of technology specified liquid crystal lens are operated alone with the problem of control.
To reach above-mentioned purpose, a kind of lens arra driver element, for driving one group of liquid crystal lens in array distribution,
Wherein, the lens arra driver element includes：
Micro-control circuit, for controlling the lens arra driver element work；
Signal generating circuit, for producing the initial driving signal for driving the liquid crystal lens；
Address decoder, for receiving the signal of the inquiry liquid crystal lens address to be driven of the micro-control circuit output,
Export the address information of the liquid crystal lens to be driven；
Signal amplitude modulation circuit, the control signal of the liquid crystal lens described to be driven exported according to the micro-control circuit
And the address information that the address decoder sends, the initial driving signal is carried out into output drive signal after amplitude modulation
Drive the described to be driven liquid crystal lens corresponding with the address information.
Preferably, the lens arra driver element also includes：
Peaking circuit, the initial driving signal for producing to the signal generating circuit remove therein straight
Flow component, then exports to the signal amplitude modulation circuit.
Preferably, the signal amplitude modulation circuit includes：
Multiple signal amplitude modulation modules, one liquid crystal lens of each signal amplitude modulation module correspondence, and each signal
Amplitude modulation module the first driving voltage of output and the second driving voltage different from first driving voltage drive corresponding
The liquid crystal lens.
Preferably, the address decoder is outputed signal to by tft array or FPGA with the micro-control circuit
The signal amplitude modulation circuit.
Preferably, the micro-control circuit includes the data driver for output control signal, the address decoder
The signal amplitude modulation circuit is outputed signal to by the tft array with the data driver, wherein, data driver
By multichannel data line output control signal, the address decoder is by multiple address wire OPADD information, tft array bag
Multiple thin film transistor (TFT)s are included, each thin film transistor (TFT) includes source electrode, grid and drain electrode, the source electrode is connected to a data wire, institute
State grid and be connected to an address wire, the drain electrode is connected to the signal amplitude modulation circuit.
This utility model also provides a kind of liquid crystal lens array, including：Multiple liquid crystal lens in array distribution and thoroughly
Lens array driver element, the lens arra driver element drive each liquid crystal lens to cut between lens state and non-lens state
Change, wherein, the lens arra driver element is foregoing lens arra driver element.
Preferably, in a drive cycle, at the T1 moment, in nearest two liquid crystal lens of arbitrary neighborhood of spacing distance
First liquid crystal lens are in lens state, and the second liquid crystal lens are in non-lens state；In T2 moment, first liquid crystal lens
In non-lens state, second liquid crystal lens are in lens state.
Preferably, the liquid crystal lens include：Each liquid crystal lens include first substrate, second substrate, located at institute
State first electrode on first substrate, second electrode and the 3rd electrode on the second substrate, and located at described the
Liquid crystal layer between two electrodes and the 3rd electrode, the first electrode are insulated from each other with the second electrode and at least part of
Do not overlap, the first electrode is drive electrode with second electrode, and the 3rd electrode is public electrode.
Preferably, the second electrode is rounded or regular hexagon.
This utility model also provides a kind of imaging device, forms scene image for shooting a scene, including：Main lenss list
Unit, imageing sensor, image process controller and memorizer, wherein, the imaging device also includes：Liquid crystal lens array, institute
State liquid crystal lens array to be located between the main lenss unit and described image sensor, described image processing controller calls institute
The programmed instruction control described image sensor stored in stating memorizer and liquid crystal lens array work, wherein, the liquid
Brilliant lens arra is foregoing liquid crystal lens array.
Lens arra driver element of the present utility model, liquid crystal lens array and imaging device, are capable of achieving liquid crystal lens battle array
The independent drive control of liquid crystal lens is specified in row, so as to improve the design flexibility of subsequent optical system, image is simplified
Splicing difficulty, and improve the image quality of imaging device.
Description of the drawings
Electrical block diagrams of the Fig. 1 for the liquid crystal lens array of this utility model better embodiment.
Fig. 2 is connected of signal amplitude modulation circuit for micro-control circuit in Fig. 1 and address decoder by tft array
The concrete structure schematic diagram of embodiment.
Fig. 3 a are the structural representation of one embodiment of liquid crystal lens in Fig. 1.
Fig. 3 b are the structural representation of another embodiment of liquid crystal lens in Fig. 1.
Fig. 4 a are the arrangement schematic diagram of second electrode one embodiment of liquid crystal lens in Fig. 3 a.
Fig. 4 b are the arrangement schematic diagram of second electrode another embodiment of liquid crystal lens in Fig. 3 a.
Structural representations of the Fig. 5 for the imaging device of this utility model better embodiment.
Schematic flow sheets of the Fig. 6 for the imaging method of this utility model better embodiment.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is described in detail.If it should be noted that do not conflict,
Each feature in this utility model embodiment and embodiment can be combined with each other, protection domain of the present utility model it
It is interior.
Refer to Fig. 1, electrical block diagrams of the Fig. 1 for the liquid crystal lens array of this utility model better embodiment.
As shown in figure 1, this utility model provides a kind of liquid crystal lens array, including：Multiple liquid crystal lens 410 in array distribution,
420th, 430, and lens arra driver element 200.The lens arra driver element 200 drive each liquid crystal lens 410,420,
430 switch between lens state and non-lens state.Wherein, in a drive cycle, at the T1 moment, spacing distance is nearest
Two liquid crystal lens 410,420 of arbitrary neighborhood in the first liquid crystal lens 410 be in lens state, at the second liquid crystal lens 420
In non-lens state；At the T2 moment, first liquid crystal lens 410 are in non-lens state, at second liquid crystal lens 420
In lens state.In above-mentioned drive cycle, the whole liquid crystal lens 410,420,430 in liquid crystal lens array are once located
In lens state.Here lens state refers to the gradient of the index distribution in certain rule of liquid crystal lens 410,420,430
Arrangement, is presented lens effect as glass lens, as applied voltage can change focal length, thus present convex lenss or
Person's concavees lens；Rather than lens state refers to that liquid crystal lens 410,420,430 are not powered on pressing or be applied with voltage but now
Liquid crystal lens like that, do not play refraction action to light as two blocks of plate glass.Thus liquid crystal lens array of the present utility model
Can realize that convex lenss (plus lens), concavees lens are (negative saturating by the driving voltage amplitude for changing lens arra driver element 200
Mirror) or parallel plate effect.Also here in liquid crystal lens array size this utility model of liquid crystal lens is not limited
It is fixed, can be several millimeters to tens millimetre-sized, or smaller szies or larger sized, multiple liquid crystal lens are according to battle array
The mode of row is arranged.
Liquid crystal lens array of the present utility model, by any two closest liquid crystal lens are divided in synchronization
In lens state and non-lens state, timesharing drives two closest liquid crystal lens to be in lens state, and drives in other places
When lens area in lens state be more than its electrode area so that the lens face of two closest liquid crystal lens accumulates
Partly overlapping, so that total aperture opening ratio of the total aperture opening ratio of liquid crystal lens array more than the glass lens array in same aperture,
The aperture opening ratio of liquid crystal lens array can be increased substantially without producing interference, the overlapping of lens imaging is physically realized,
Design for optical system provides greater flexibility, and makes the volume of optical system less.
In a specific embodiment, the lens arra driver element 200 is specifically included：
Micro-control circuit 250, works for controlling the lens arra driver element 200；Here micro-control circuit 250
MCU (micro-control unit) or FPGA (Programmable logical controller array) circuits or DSP (Digital Signal Processing can be adopted
Device) circuit.Micro-control circuit 250 is the control of whole lens arra driver element 200 and data processor, can be to lens array
Each main circuit parts of column unit 200 carry out independent control process.
Signal generating circuit 210, for producing the initial driving signal for driving the liquid crystal lens；Signal generating circuit
210 generally produce square wave or sine wave, may also be other waveforms.If square wave etc. cannot be directly used to drive liquid crystal lens
Digital waveform, then be additionally provided with D/A converter module in signal generating circuit 210, digital square-wave be converted to and can drive liquid
The analogue signal of brilliant lens functions.
Address decoder 240, for receiving the letter of the inquiry liquid crystal lens address to be driven of the micro-control circuit output
Number, export the address information of the liquid crystal lens to be driven.Address decoder 20 carries out coding correspondence to each liquid crystal lens,
When liquid crystal lens array to be driven, accurately to find liquid crystal lens to be driven and then control its corresponding state.
Signal amplitude modulation circuit 230, the control of the liquid crystal lens described to be driven exported according to the micro-control circuit 250
The initial driving signal is carried out output after amplitude modulation and is driven by the address information that signal processed and the address decoder send
Dynamic signal drives the described to be driven liquid crystal lens corresponding with the address information.Here signal amplitude modulation mainly according to
Initial driving signal is modulated according to control signal, to meet the driving voltage requirement for driving liquid crystal lens.
Aforesaid lens array driver element of the present utility model, specifies the only of liquid crystal lens in being capable of achieving liquid crystal lens array
Vertical drive control, so as to increased the design flexibility of subsequent optical system, simplifying image mosaic intractability, improve into
As the image quality of device.
In a preferred embodiment, the lens arra driver element includes：Peaking circuit 220, for institute
The initial driving signal for stating the generation of signal generating circuit 210 removes DC component therein, then exports to the signal
Amplitude modulation circuit 230.Direct current signal may be contained in the signal produced due to signal generating circuit 210, direct current signal is deposited
Influencing whether the driving voltage of liquid crystal lens, and then the lens effect of liquid crystal lens is affected, thus be necessary to remove.
In a specific embodiment, the signal amplitude modulation circuit 230 includes：Multiple signal amplitude modulation modules,
One liquid crystal lens of each signal amplitude modulation module correspondence, and each signal amplitude modulation module exports the first driving voltage V1
The corresponding liquid crystal lens are driven with the second driving voltage V2.Here the first driving voltage V1's and the second driving voltage V2 is big
Little and frequency can change, to form predetermined liquid crystal lens effect or not form lens.Additionally, signal amplitude modulation electricity
Road 230 may also be special integrated chip, export to control corresponding liquid crystal lens by each pin.
In a variant embodiment, the address decoder 240 and the micro-control circuit 250 pass through tft array or
FPGA outputs signal to the signal amplitude modulation circuit 230, and the output signal is enable signal, so as to specified liquid
Brilliant lens carry out enable control.Specifically, Fig. 2 is referred to, Fig. 2 is micro-control circuit 250 and address decoder 240 in Fig. 1
Connect the concrete structure schematic diagram of one embodiment of signal amplitude modulation circuit 230 by tft array.As shown in Fig. 2 described
Micro-control circuit 250 includes the data driver 251 for output control signal, the address decoder 240 and the data
Driver 251 outputs signal to the signal amplitude modulation circuit 230 by the tft array, wherein, data driver 251
By multichannel data line 252,253 output control signals, the address decoder 240 is exported by multiple address wires 241,242
Address information, tft array include multiple thin film transistor (TFT)s 243, and each thin film transistor (TFT) 243 includes source electrode 243b, grid 243a
With drain electrode 243c, the source electrode 243b is connected to a data wire 252 or 253, the grid 243a be connected to an address wire 241 or
242, the drain electrode 243c is connected to the signal amplitude modulation circuit 230.
In one embodiment, each liquid crystal lens 410,420,430 include：First substrate, second substrate, located at described
First electrode, second electrode on first substrate and the 3rd electrode on the second substrate, and it is located at described second
Liquid crystal layer between electrode and the 3rd electrode, the first electrode it is insulated from each other with the second electrode and it is at least part of not
Overlap, the first electrode and second electrode are drive electrode, the 3rd electrode is public electrode, the first electrode, second
Electrode and the 3rd electrode are transparent material electrode, such as ITO electrode (indium tin oxide films).The structure of above-mentioned liquid crystal lens please be joined
See the structural representation of one embodiment that Fig. 3 a and Fig. 3 b, Fig. 3 a are liquid crystal lens in Fig. 1, Fig. 3 b are liquid crystal lens in Fig. 1
Another embodiment structural representation.As shown in Figure 3 a, liquid crystal lens 100 include first substrate 110, second substrate 190
And the liquid crystal layer 170 between first substrate 110 and second substrate 190, first substrate 110 towards liquid crystal layer 170
Surface sets gradually electrode layer, the first insulating barrier 130, weakly conducting thin film 160 and the first orientation film layer 150a, wherein electrode layer
Including first electrode 120 and second electrode 140, first electrode 120 is in circle hole shape, and second electrode 140 is positioned at first electrode 120
In circular hole, rounded or regular hexagon.190 surface of second substrate is sequentially provided with the 3rd electrode 180 and the second orientation film layer 150b.
First orientation film layer 150a and the second orientation film layer 150b provide an initial orientation to the liquid crystal molecule of liquid crystal layer 170 respectively,
Make liquid crystal molecule and arranged with certain tilt angle.In above-mentioned liquid crystal lens structure, the 3rd electrode as public electrode 180, and
One electrode 120 receives the signal amplitude modulation of signal amplitude modulation circuit 230 with second electrode 140 respectively as drive electrode
The first driving voltage V1 and the second driving voltage V2 of module output, drive liquid crystal lens lens state or non-lens state it
Between switch.
As shown in Figure 3 b, another kind of liquid crystal lens of the present utility model 10 include：First substrate 11 and second substrate 19 with
And the liquid crystal layer 17 between first substrate 11 and second substrate 19.Side table of the first substrate 11 towards the liquid crystal layer 17
Face is sequentially provided with first electrode 12, the first insulating barrier 13, second electrode 14 and the first orientation film layer 15a, wherein second electrode
14 is in circle hole shape, in second electrode 14 is provided with weakly conducting thin film 18, and the weakly conducting thin film 18 is rounded.Second substrate 19 towards
One side surface of liquid crystal layer 17 is sequentially provided with the 3rd electrode 16 and the second orientation film layer 15b.The liquid crystal lens of the present embodiment with
The difference of the liquid crystal lens of Fig. 3 a essentially consists in the difference in structure, and principle is identical.
Fig. 4 a and Fig. 4 b are referred to, Fig. 4 a are that the arrangement of second electrode one embodiment of liquid crystal lens in Fig. 3 a is illustrated
Figure, Fig. 4 b are the arrangement schematic diagram of second electrode another embodiment of liquid crystal lens in Fig. 3 a.As shown in fig. 4 a, which is multiple
The second electrode of liquid crystal lens is arranged according to array format, each second electrode one liquid crystal lens of correspondence, each second electrode
Label uniquely determined by line number and row number, such as 101a represents the 101st a-th electrode of row, illustrate to have in figure label 101,102,
103rd, 104,105 and 106 totally 6 row second electrodes, often row have a, b, c, d, e and f row totally 6 row second electrode.Can from figure
Go out, the second electrode adjacent with second electrode 101a has second electrode 101b, second electrode 102a and second electrode 102b, its
In, the distance of center circle between second electrode 101a and second electrode 101b and 102a is d1, between second electrode 102b
Distance of center circle is d2 (d2 ＞ d1 ＞ 0).That is, the corresponding liquid crystal lens of second electrode 101a are corresponding with second electrode 101b
The distance of liquid crystal lens and the corresponding liquid crystal lens of second electrode 102a is than the corresponding liquid crystal lens of second electrode 101a and second
The distance of the corresponding liquid crystal lens of electrode 102b is near.Therefore, at the same driving moment, the corresponding liquid crystal of second electrode 101a is saturating
Mirror is identical with the state of the corresponding liquid crystal lens of second electrode 102b, and the corresponding liquid crystal lens of second electrode 101a are electric with second
The state difference of the corresponding liquid crystal lens of pole 102a, the corresponding liquid crystal lens of second electrode 102a.Here state is identical to be referred to
It is in lens state, or non-lens state.Here state difference refer to one in lens state when, it is another in non-
Specular state.Similarly, if selecting second electrode 102b as basis reference, the second electrode on second electrode 102b diagonal
101a, second electrode 101c, second electrode 103a and second electrode 103c distinguish corresponding liquid crystal lens at the same driving moment
State is identical, and apart from nearest second electrode 101b of second electrode 102b, second electrode 102a, second electrode 102c and second
It is different in same driving moment state that electrode 103b distinguishes corresponding liquid crystal lens.
Refer to Fig. 5, structural representations of the Fig. 5 for the imaging device of this utility model better embodiment.Such as Fig. 5 institutes
Show, the imaging device of this utility model better embodiment, scene image is formed for shooting a scene 41, including：
Main lenss unit 42, for shooting is positioned at the scene 41 of 42 side of main lenss unit and images in main lenss unit 42
Opposite side, including multiple optical lenses, optical lenses of these combinations may be constructed common pick-up lenss.
Imageing sensor 44 is for being converted into the signal of telecommunication by the scene image of acquisition, and exports the signal of telecommunication as image
Signal.Here imageing sensor 44 can select CCD or cmos sensor.
Memorizer 46, is stored with for realizing that liquid crystal lens array controls one section of programmed instruction with image procossing.These
Programmed instruction is mainly used in imaging device and realizes varifocal imaging function.
Image process controller 45, is connected with memorizer 46, liquid crystal lens array 43 and imageing sensor 44, is controlled whole
Individual imaging device work.
The imaging device also includes：Liquid crystal lens array 43, the liquid crystal lens array 43 are located at the main lenss list
Between unit 42 and described image sensor 44, the program that described image processing controller 45 is stored in calling the memorizer 46 refers to
Order control described image sensor 44 and the liquid crystal lens array 43 work, wherein, the liquid crystal lens array 43 is as front
Described liquid crystal lens array, refers to Fig. 1 to Fig. 5 and correlation above about the detailed description of the structure of liquid crystal lens array
Description, will not be described here.
Imaging device of the present utility model as a result of foregoing liquid crystal lens arra, by any two is closest
Liquid crystal lens be respectively at lens state and non-lens state in synchronization, timesharing drives two closest liquid crystal saturating
Mirror is in lens state, and lens area when driving in lens state is more than its electrode area so that closest two
The lens area presence of individual liquid crystal lens partly overlaps, so that glass of the total aperture opening ratio of liquid crystal lens array more than same aperture
Total aperture opening ratio of glass lens arra, can increase substantially the aperture opening ratio of liquid crystal lens array without generation interference, thus
The overlapping of lens imaging is physically realized, compared with the existing technology, need not only consider device in imaging system by specifying
Come the problem that arranges, the design for optical system provides greater flexibility to parameter, and makes the volume of optical system less, also letter
Image processing algorithm is changed, as the image for obtaining overlaps, thus has simplified image mosaic intractability, improve into
The response speed of picture system, and the resolution of image is improve, preferably image quality can be obtained.
Refer to Fig. 6, schematic flow sheets of the Fig. 6 for the imaging method of this utility model better embodiment.Such as Fig. 6 institutes
Show, the imaging method of this utility model better embodiment, scene image is formed for shooting a scene, mainly including following step
Suddenly：
S10 provides a liquid crystal lens array, including：Multiple liquid crystal lens in array distribution and lens arra drive single
Unit, the lens arra driver element drive each liquid crystal lens to switch between lens state and non-lens state；
S20 in a drive cycle, at the T1 moment, in two liquid crystal lens of arbitrary neighborhood for driving spacing distance nearest
First liquid crystal lens are in lens state, and the second liquid crystal lens are in non-lens state；
S30 drives first liquid crystal lens to be in non-lens state at the T2 moment, and second liquid crystal lens are in saturating
Specular state；
First image and T2 moment described in second liquid of the S40 according to the first liquid crystal lens described in the T1 moment in lens state
Second image of the brilliant lens in lens state synthesizes the scene image.
Additionally, also including between step S10 and step S20：
S21 address information obtaining steps, obtain the address information of each liquid crystal lens；
S22 judges step, and according to the address information of each liquid crystal lens, in qualitatively judging liquid crystal lens array, each liquid crystal is saturating
Spacing distance between mirror is far and near.
The imaging method of employing liquid crystal lens array of the present utility model, by will be any two closest liquid crystal saturating
Mirror is respectively at lens state and non-lens state in synchronization, can increase substantially liquid crystal lens array aperture opening ratio and
Interference will not be produced, the overlapping of lens imaging is physically realized, compared with the existing technology, need not only be considered in imaging system
The problem that device is arranged by the parameter specified, the design for optical system provide greater flexibility, and make optical system
Volume is less, also simplify image processing algorithm, simplifies image mosaic intractability, improves the response speed of imaging system
Degree, and the resolution of image is improve, preferably image quality can be obtained.
This utility model can be applicable to capsule type medical using the imaging device and imaging method of above-mentioned liquid crystal lens array
Equipment, Aerial photography equipment, intelligent automobile, robot, Intelligent worn device, supervision equipment, medical microscope, minimally invasive medical set
In the electronic equipments such as the standby and guided missile with photographic head.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is all
It is the equivalent structure or equivalent flow conversion made using this utility model description and accompanying drawing content, or directly or indirectly uses
In other related technical fields, it is included in the same manner in scope of patent protection of the present utility model.
Claims (10)
1. a kind of lens arra driver element, for driving one group of liquid crystal lens in array distribution, it is characterised in that described
Lens array driver element includes：
Micro-control circuit, for controlling the lens arra driver element work；
Signal generating circuit, for producing the initial driving signal for driving the liquid crystal lens；
Address decoder, for receiving the signal of the inquiry liquid crystal lens address to be driven of the micro-control circuit output, output
The address information of the liquid crystal lens to be driven；
Signal amplitude modulation circuit, according to the micro-control circuit export liquid crystal lens described to be driven control signal and
The initial driving signal is carried out output drive signal after amplitude modulation and is driven by the address information that the address decoder sends
The described to be driven liquid crystal lens corresponding with the address information.
2. lens arra driver element as claimed in claim 1, it is characterised in that, the lens arra driver element is also wrapped
Include：
Peaking circuit, the initial driving signal for producing to the signal generating circuit remove direct current point therein
Amount, then exports to the signal amplitude modulation circuit.
3. lens arra driver element as claimed in claim 2, it is characterised in that, the signal amplitude modulation circuit includes：
Multiple signal amplitude modulation modules, one liquid crystal lens of each signal amplitude modulation module correspondence, and each signal amplitude
Modulation module the first driving voltage of output and the second driving voltage different from first driving voltage drive corresponding described
Liquid crystal lens.
4. lens arra driver element as claimed in claim 3, it is characterised in that, the address decoder and the microcontroller
Circuit outputs signal to the signal amplitude modulation circuit by tft array or FPGA.
5. lens arra driver element as claimed in claim 4, it is characterised in that, the micro-control circuit is included for exporting
The data driver of control signal, the address decoder are outputed signal to by the tft array with the data driver
The signal amplitude modulation circuit, wherein, data driver is by multichannel data line output control signal, the address decoder
By multiple address wire OPADD information, tft array includes multiple thin film transistor (TFT)s, each thin film transistor (TFT) include source electrode,
Grid and drain electrode, the source electrode are connected to a data wire, and the grid is connected to an address wire, and the drain electrode is connected to the letter
Number amplitude modulation circuit.
6. a kind of liquid crystal lens array, it is characterised in that include：Multiple liquid crystal lens in array distribution and lens arra drive
Moving cell, the lens arra driver element drive each liquid crystal lens to switch between lens state and non-lens state, wherein,
The lens arra driver element is the lens arra driver element described in any one of claim 1 to 5.
7. liquid crystal lens array as claimed in claim 6, it is characterised in that in a drive cycle, at T1 moment, interval
The first liquid crystal lens in closest two liquid crystal lens of arbitrary neighborhood are in lens state, and the second liquid crystal lens are in non-
Specular state；At the T2 moment, first liquid crystal lens are in non-lens state, and second liquid crystal lens are in lens state.
8. liquid crystal lens array as claimed in claim 7, it is characterised in that, the liquid crystal lens include：Each liquid crystal
Lens include first substrate, second substrate, the first electrode on the first substrate, second electrode and are located at described second
The 3rd electrode on substrate, and the liquid crystal layer between the second electrode and the 3rd electrode, the first electrode and institute
State second electrode it is insulated from each other and it is at least part of do not overlap, the first electrode and second electrode are drive electrode, described
3rd electrode is public electrode.
9. liquid crystal lens array as claimed in claim 8, it is characterised in that, the second electrode is rounded or regular hexagon.
10. a kind of imaging device, forms scene image for shooting a scene, including：Main lenss unit, imageing sensor, figure
As processing controller and memorizer, it is characterised in that the imaging device also includes：Liquid crystal lens array, the liquid crystal lens
Array is located between the main lenss unit and described image sensor, during described image processing controller calls the memorizer
The programmed instruction control described image sensor of storage and liquid crystal lens array work, wherein, the liquid crystal lens array
Liquid crystal lens array described in any one of claim 6 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620977334.9U CN206074970U (en) | 2016-08-29 | 2016-08-29 | Lens arra driver element, liquid crystal lens array and imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620977334.9U CN206074970U (en) | 2016-08-29 | 2016-08-29 | Lens arra driver element, liquid crystal lens array and imaging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206074970U true CN206074970U (en) | 2017-04-05 |
Family
ID=58434455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620977334.9U Active CN206074970U (en) | 2016-08-29 | 2016-08-29 | Lens arra driver element, liquid crystal lens array and imaging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206074970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111190315A (en) * | 2018-11-14 | 2020-05-22 | 成都微晶景泰科技有限公司 | Lens array image conversion device and imaging apparatus |
-
2016
- 2016-08-29 CN CN201620977334.9U patent/CN206074970U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111190315A (en) * | 2018-11-14 | 2020-05-22 | 成都微晶景泰科技有限公司 | Lens array image conversion device and imaging apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106168727A (en) | Liquid crystal lens array, imaging device and method | |
| CN107358216B (en) | Fingerprint acquisition module, display device and fingerprint identification method | |
| CN103477269B (en) | Liquid crystal lens, liquid crystal lens driving method, lens unit, camara module and capsule medical apparatus | |
| CN104519347B (en) | Light field display control method and device, light field display device | |
| CN108064350A (en) | Optical lens, camera module and terminal | |
| CN106657749A (en) | Camera module, terminal and focusing method | |
| CN108549173A (en) | Backlight module, liquid crystal display device and driving method | |
| CN109637367A (en) | Display panel and display device | |
| CN109634002B (en) | Diaphragm structure, driving method thereof and compound eye imaging system | |
| EP4016176A1 (en) | Meta-optical device having variable performance and electronic device including the same | |
| CN102854737B (en) | Three-dimensional image-taking device | |
| CN204442500U (en) | Imaging device and mobile terminal | |
| CN110208994A (en) | A kind of liquid crystal display panel and a kind of display device | |
| CN206074970U (en) | Lens arra driver element, liquid crystal lens array and imaging device | |
| KR20070092705A (en) | A stereoscopic display apparatus | |
| CN206224039U (en) | Imaging device and electronic installation | |
| CN205787510U (en) | Liquid crystal lens and imaging device | |
| CN105093554B (en) | A kind of 3D display modules and preparation method thereof, display device | |
| CN108873312B (en) | Display panel, display device, display method thereof and storage medium | |
| CN205787458U (en) | Varifocal optical element and imaging device | |
| US20210203821A1 (en) | Imaging device and electronic apparatus | |
| CN106911880A (en) | A kind of camera module, terminal and Zooming method | |
| CN110618559B (en) | Display device and screen light supplementing method thereof | |
| CN111695547A (en) | Display panel and display device | |
| CN104503182B (en) | Drive circuit, stereoscopic display device, display switching device and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |