CN208506453U - A kind of liquid crystal optically focused micro mirror array controled based on frequency signal - Google Patents
A kind of liquid crystal optically focused micro mirror array controled based on frequency signal Download PDFInfo
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- CN208506453U CN208506453U CN201821276396.2U CN201821276396U CN208506453U CN 208506453 U CN208506453 U CN 208506453U CN 201821276396 U CN201821276396 U CN 201821276396U CN 208506453 U CN208506453 U CN 208506453U
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Abstract
The utility model discloses a kind of liquid crystal optically focused micro mirror arrays controled based on frequency signal, including successively the first anti-reflection film disposed in parallel from top to bottom, first substrate, micropore system of battle formations pattern electrode, first oriented layer, liquid crystal layer, second oriented layer, public electrode, second substrate, and second anti-reflection film, first micro-coil group is set to the first substrate between the one side and the first oriented layer of the first anti-reflection film, and the edge of micropore system of battle formations pattern electrode is set, one end of first micro-coil group is electrically connected with micropore system of battle formations pattern electrode, the other end is drawn on the another side of micropore system of battle formations pattern electrode by the first electric connection line from the first substrate, second micro-coil group is set to the second substrate between the one side and the second oriented layer of the second anti-reflection film.The utility model have finely regulating liquid crystal optically focused micro mirror array optically focused efficiency, it is low in energy consumption, easily with other function optics, photoelectricity, shine coupled with electronics structure matching the advantages that.
Description
Technical field
The utility model belongs to optical lens technical field, more particularly, to a kind of liquid controled based on frequency signal
Brilliant optically focused micro mirror array.
Background technique
For working in visible light or the conventional electrically-controlled liquid crystal optically focused micro mirror array of infrared spectral domain, by micro mirror
Coordination electrode on load the voltage signal of specific frequency, the non-homogeneous of array is generated between the coordination electrode being spaced in the micron-scale
Space electric field or magnetic field, driving are laid in the particular spatial distribution form that the liquid crystal material between coordination electrode generates array, make
The index distribution mode with array optically focused efficiency is presented in liquid crystal material.The voltage signal loaded by direct modulation its
Square amplitude, array electric field or magnetic field its intensity and spatial distribution of the adjustment effect on liquid crystal material, corresponding to adjusting battle array
The spatial distribution form of its refractive index of the liquid crystal material of columnization arrangement, realizes the automatically controlled optically focused of liquid crystal optically focused micro mirror array.
Under normal conditions, the square amplitude of the voltage signal loaded can be even as high as the range of hectovolt in several volts, tens volts
Interior variation, this can regulate and control electrically-controlled liquid crystal optically focused micro mirror array optically focused efficiency during generate series of technical: 1, its
To the generation of voltage signal, modulation, precise controlling, voltage signal and liquid crystal optically focused micro mirror array efficient coupling, power consumption, liquid crystal
Optically focused micro mirror array effectively radiates etc., and there are high requirements;2, its outer dimension that will lead to voltage signal output device is big, knot
Structure is complicated, at high cost, it is difficult to small/micromation, and be difficult to integrated with liquid crystal optically focused micro mirror array;3, it is poly- to significantly reduce liquid crystal for it
Light micro mirror and other optics, photoelectricity, luminous or electronics structure matching, application poor so as to cause the effective utilization of micro mirror
Range is small.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the utility model is provided one kind and is controled based on frequency signal
Liquid crystal optically focused micro mirror array, it is intended that solving existing conventional electrically-controlled liquid crystal optically focused micro mirror array is regulating and controlling its optically focused effect
It is changed due to the voltage signal of load interior on a large scale during energy, it is caused to the generation of voltage signal, modulation, finely control
System, voltage signal and liquid crystal optically focused micro mirror array efficient coupling, power consumption, liquid crystal optically focused micro mirror array effectively radiate etc. exist compared with
The outer dimension of the technical issues of high request and voltage signal output device is big, and structure is complicated, at high cost, it is difficult to small/miniature
Change, and is difficult to the technical problem integrated with liquid crystal optically focused micro mirror array, and be easy to cause the effective utilization of liquid crystal optically focused micro mirror
Difference, the small technical problem of application range.
To achieve the above object, it according to the one aspect of the utility model, provides and a kind of is controled based on frequency signal
Liquid crystal optically focused micro mirror array, including successively the first anti-reflection film disposed in parallel, the first substrate, micropore system of battle formations case are electric from top to bottom
Pole, the first oriented layer, liquid crystal layer, the second oriented layer, public electrode, the second substrate and the second anti-reflection film, the first micro-coil group
The first substrate is set between the one side and the first oriented layer of the first anti-reflection film, and the side of micropore system of battle formations pattern electrode is set
At edge, the micropore battle array scale of micropore system of battle formations pattern electrode is m × n member, and wherein m and n is the natural number greater than 1, micropore system of battle formations case
Electrode with a thickness of 100 nanometers to 700 nanometers, one end of the first micro-coil group is electrically connected with micropore system of battle formations pattern electrode, the other end
It is drawn on the another side of micropore system of battle formations pattern electrode by the first electric connection line from the first substrate, the second micro-coil group is set to
The edge of public electrode is arranged between the one side and the second oriented layer of the second anti-reflection film in second substrate, and second is micro-
One end of coil group is connected to external voltage signal, and the other end is by the second electric connection line from the second substrate away from public electrode
After another side is drawn, which is electrically connected with the first micro-coil group from one end that the first substrate is drawn.
Preferably, the first anti-reflection film is made of normal optical antireflective material, with a thickness of 100 nanometers to 700 nanometers, the
One substrate is made of translucent material, with a thickness of 1 millimeter to 5 millimeters.
Preferably, the micropore in micropore system of battle formations pattern electrode is round, rectangular or triangle, and the aperture of round micropore is micro- 5
Rice is to 900 microns.
Preferably, the first micro-coil group is made of metal or metal conductive oxide material, single in the first micro-coil group
The shape of first micro-coil is circular ring shape, triangular ring, four annular or six sides annular in annular, five.
Preferably, liquid crystal layer is set between the first oriented layer and the second oriented layer, micro- to tens with a thickness of several microns
Meter level, the first oriented layer and the second oriented layer are made of identical material, and thickness is at 100 nanometers to 700 nanometers.
Preferably, public electrode is set between the second oriented layer and the second substrate, is had with micropore system of battle formations pattern electrode
Identical material and shape and structure size, public electrode is made of metal or metal conductive oxide material, and thickness
At 100 nanometers to 700 nanometers.
Preferably, the maximum square amplitude of external voltage signal is 1 volt to 3 volts, and signal frequency is in 1KHz to 100MHz model
Enclose interior modulation.
Preferably, the second micro-coil group and the first micro-coil group have identical material and shape and structure size, and
The two is perfectly aligned in vertical direction, and the second anti-reflection film and the first anti-reflection film use identical material and thickness.
Preferably, by adjusting the frequency of external voltage signal, the induction to being applied on micropore system of battle formations pattern electrode is realized
The adjusting of the square amplitude of voltage signal, the required control electric field of building liquid crystal optically focused micro mirror array or magnetic field, to complete
The optically focused operation that liquid crystal optically focused micro mirror array is controled based on frequency signal.
In general, it can obtain down the above technical solutions conceived by the present invention are compared with the prior art,
Column the utility model has the advantages that
1, the utility model liquid crystal optically focused micro mirror array controls voltage signal its maximum square amplitude in several volts, signal frequency
Rate can in 1KHz to 100MHz range modulation, having micro mirror array, control photo-adaptive is good, control precision is high and regulating power
Strong feature;
2, the liquid crystal optically focused micro mirror array of the utility model is controlled based on low pressure frequency signal, drives the electronics of micro mirror
Control structure is small/be miniaturized and realize it is integrated with micro mirror, with structure dexterous, micro mirror array driving operation flexibly, function
Consume low advantage;
3, the utility model controls liquid crystal optically focused micro mirror array using low pressure frequency signal, has the letter of electronics control mode
It is clean flexibly, easily with other optics, photoelectricity, shine or the advantages of electronics structure Coupling;
4, the utility model executes array focusing/focus operations of light beam using the frequency modulation low-voltage signal in wide frequency domain,
Have the characteristics that be adapted to wide spectrum and larger beam intensity mobility scale;
5, the utility model is micro- based on the production of standard micro technique, the liquid crystal optically focused controled based on low pressure frequency signal
Lens array has the characteristics that low manufacture cost, high reliablity, relative low price.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the liquid crystal optically focused micro mirror array that the utility model is controled based on frequency signal.
Fig. 2 is the schematic diagram of the micropore system of battle formations pattern electrode in the utility model, and wherein Fig. 2 (a) is micropore system of battle formations pattern electrode
Schematic diagram in the first substrate one side, Fig. 2 (b) are schematic diagram of the micropore system of battle formations pattern electrode on the first substrate another side.
Fig. 3 is the micropore system of battle formations pattern electrode of the utility model and the stereoscopic schematic diagram of the first micro-coil group.
Fig. 4 is the schematic diagram for forming the unit micro-coil of the first micro-coil group, and wherein Fig. 4 (a) is circular ring shape micro-coil
Schematic diagram, Fig. 4 (b) are the schematic diagram of four side annular micro-coils.
Fig. 5 is the schematic diagram of the public electrode in the utility model, and wherein Fig. 5 (a) is public electrode in the second substrate one
Schematic diagram on face, Fig. 5 (b) are connecting wire schematic diagram of the public electrode on the second substrate another side.
Fig. 6 is the solid of the public electrode and the second micro-coil group of the utility model in entire liquid crystal optically focused micro mirror array
Schematic diagram.
Fig. 7 is the schematic diagram for forming the unit micro-coil of the second micro-coil group, and wherein Fig. 7 (a) is circular ring shape micro-coil
Schematic diagram, Fig. 7 (b) are the schematic diagram of four side annular micro-coils.
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which:
The first anti-reflection film of 6-;The one side of the first substrate of 7-;The first substrate of 8-;The another side of the first substrate of 9-;10- micropore battle array
Pattern electrode;The first oriented layer of 11-;12- liquid crystal layer;The second oriented layer of 13-;14- public electrode;The one side of the second substrate of 15-;
The second substrate of 16-;The another side of the second substrate of 17-;The second anti-reflection film of 18-;19- the first micro-coil group;20- the second micro-coil group
Group;21- micropore;The first electric connection line of 22-;23- first is electrically connected pin;The second electric connection line of 24-;25- second is electrically connected adapter tube
Foot.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
The basic ideas of the utility model are, by adjustable, maximum equal to loading frequency on liquid crystal optically focused micro mirror array
Square amplitude is only the voltage signal of several volts, which, which acts directly on, is connected with public electrode and is laid in its edge
The first micro-coil group induction load of liquid crystal optically focused micro mirror array micropore system of battle formations pattern electrode edge is arranged in second micro-coil group
Voltage signal in the second micro-coil group, and amplified and be applied on micropore system of battle formations pattern electrode;Believed by demodulating voltage
Number frequency, can change the square amplitude for the induced voltage signal being applied on micropore system of battle formations pattern electrode, intensity needed for being formed with
The control electric field of spatial distribution or magnetic field simultaneously act on liquid crystal material, to complete that control liquid crystal optically focused micro- based on frequency signal
The optically focused of lens array operates.The square amplitude of the voltage signal maximum of load is arranged in a few this low value of volt, and frequently by its signal
Rate control in 1KHz to 100MHz range modulation, so that it may realize by frequency modulation finely regulating liquid crystal optically focused micro mirror optically focused efficiency with
It is low in energy consumption, integrate frequency regulator and liquid crystal optically focused micro mirror well, and make the liquid crystal optically focused micro mirror easily with other function
Optics, photoelectricity, shining couples with electronics structure matching.
As shown in Figure 1, the liquid crystal optically focused micro mirror array that the utility model is controled based on frequency signal include from top to bottom according to
Secondary first anti-reflection film 6 disposed in parallel, the first substrate 8, micropore system of battle formations pattern electrode 10, the first oriented layer 11, liquid crystal layer 12, second
Oriented layer 13, public electrode 14, the second substrate 16 and the second anti-reflection film 18.
First anti-reflection film 6 is made of normal optical antireflective material, with a thickness of 100 nanometers to 700 nanometers.
First substrate 2 is made of translucent material (quartz, glass etc.), with a thickness of 1 millimeter to 5 millimeters.
Micropore system of battle formations pattern electrode 10 is set between the first substrate 18 and the first oriented layer 11, and micropore battle array scale is m × n
Member, wherein m and n is the natural number greater than 1.Micropore system of battle formations pattern electrode 10 with a thickness of 100 nanometers to 700 nanometers.In this reality
It applies in mode, the size of micropore system of battle formations pattern electrode 10 is 20 × 30mm2。
As shown in Fig. 2, the micropore 21 in micropore system of battle formations pattern electrode 10 can be round, rectangular or triangle, round micropore
Aperture at 5 microns to 900 microns.
As shown in Figures 1 to 4, the first micro-coil group 19 is set to the first substrate 8 away from the one side 9 of the first anti-reflection film 6 and the
Between one oriented layer 11, and the edge of micropore system of battle formations pattern electrode 10 is set, one end of the first micro-coil group 19 (Fig. 2 extremely
It is outer end D1 in Fig. 4) it is electrically connected with micropore system of battle formations pattern electrode 10 (as shown in Fig. 2, concretely a pair of of micropore 21 of edge),
By the first electric connection line 22, (in the present embodiment, which is the other end (being center-side C in Fig. 4)
Metal electric connection line) draw from first electrical connection pin 23 of first substrate 8 on the another side 7 of micropore system of battle formations pattern electrode 10
Out, exit is shown in the end C1 in Fig. 3.
In Fig. 3, for exemplary purposes, showing the first micro-coil group 19 includes two along micropore system of battle formations pattern electrode
The unit micro-coil of 10 width direction setting, it should be understood that the first micro-coil group 19 of the utility model is not limited to
In the micro-coil of the quantity, quantity is within the protection scope of the present utility model more than or equal to 2 micro-coils.
First micro-coil group 19 is made of metal or metal conductive oxide material, and the shape of unit micro-coil can be
Circular ring shape, triangular ring, four annular or six sides in annular, five are annular (as shown in Figure 4).
Liquid crystal layer 12 is set between the first oriented layer 11 and the second oriented layer 13, with a thickness of several microns to tens microns
Grade.
First oriented layer 11 and the second oriented layer 13 use identical material, are made of the classes material such as polyimides, and
Thickness is at 100 nanometers to 700 nanometers.
Public electrode 14 is set between the second oriented layer 13 and the second substrate 16, is had with micropore system of battle formations pattern electrode 10
Identical material and shape and structure size.
Public electrode 14 is made of metal or metal conductive oxide material, and thickness is at 100 nanometers to 700 nanometers.
As shown in Fig. 1,5,6 and 7, the second micro-coil group 20 is set to the one side that the second substrate 8 deviates from the second anti-reflection film 18
15 and second between oriented layer 13, and the edge of public electrode 14 is arranged in, and one end of the second micro-coil group 20 is connected to outer
Portion voltage signal Vs (its maximum square amplitude in several volts, signal frequency can in 1KHz to 100MHz range modulation), pass through tune
Save the signal frequency of external voltage Vs, so that it may realize the liquid crystal optically focused controled in the utility model based on frequency signal to load
The square amplitude of voltage signal on micro mirror array is adjusted, and the other end of the second micro-coil group 20 (is in figure 6 and figure 7
Center-side C) pass through the second electric connection line 24 (in the present embodiment, which is metal electric connection line) from the second substrate
After 16 the second electrical connection pin 25 on the another side 17 of public electrode 14 is drawn, the exit (i.e. the end C2 in Fig. 5)
It is electrically connected with the first micro-coil group 11 from one end that the first substrate 8 is drawn (i.e. the end C1 in Fig. 3).
Second micro-coil group 20 and the first micro-coil group 11 have identical material and shape and structure size, and two
Person is perfectly aligned in vertical direction.
Second anti-reflection film 18 and the first anti-reflection film 6 use identical material and thickness.
In general, it is directed to existing skill the above technical solutions conceived by the present invention are compared with the prior art,
Art defect provides a kind of liquid crystal optically focused micro mirror array controled based on frequency signal.By on liquid crystal optically focused micro mirror array
Loading frequency is adjustable, the voltage signal of maximum square amplitude only about several volts, based on the induction of signal and electricity between electrical isolation micro-coil
Amplification is pressed, the control electric field or magnetic field of certain strength and spatial distribution required for micro mirror array are constructed, is completed based on frequency
Rate signal controls the optically focused operation of liquid crystal optically focused micro mirror array, has finely regulating liquid crystal optically focused micro mirror array optically focused efficiency, function
Consume low, frequency regulator and liquid crystal optically focused micro mirror are integrated, easily with other function optics, photoelectricity, shine and electronics structure
The advantages that being coupled.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of liquid crystal optically focused micro mirror array controled based on frequency signal, including successively the first increasing disposed in parallel from top to bottom
Permeable membrane, the first substrate, micropore system of battle formations pattern electrode, the first oriented layer, liquid crystal layer, the second oriented layer, public electrode, the second substrate,
And second anti-reflection film, which is characterized in that
First micro-coil group is set to the first substrate between the one side and the first oriented layer of the first anti-reflection film, and is arranged micro-
The edge of hole system of battle formations pattern electrode;
The micropore battle array scale of micropore system of battle formations pattern electrode is m × n member, and wherein m and n is the natural number greater than 1, micropore system of battle formations case electricity
Pole with a thickness of 100 nanometers to 700 nanometers;
One end of first micro-coil group is electrically connected with micropore system of battle formations pattern electrode, and the other end passes through the first electric connection line from the first substrate
It is drawn on the another side of micropore system of battle formations pattern electrode;
Second micro-coil group is set to the second substrate between the one side and the second oriented layer of the second anti-reflection film, and is arranged in public affairs
The edge of common electrode;
One end of second micro-coil group is connected to external voltage signal, and the other end is deviated from by the second electric connection line from the second substrate
After the another side of public electrode is drawn, which is electrically connected with the first micro-coil group from one end that the first substrate is drawn.
2. liquid crystal optically focused micro mirror array according to claim 1, which is characterized in that
First anti-reflection film is made of antireflection material, with a thickness of 100 nanometers to 700 nanometers;
First substrate is made of translucent material, with a thickness of 1 millimeter to 5 millimeters.
3. liquid crystal optically focused micro mirror array according to claim 1, which is characterized in that
Micropore in micropore system of battle formations pattern electrode is round, rectangular or triangle;
The aperture of round micropore is at 5 microns to 900 microns.
4. liquid crystal optically focused micro mirror array according to claim 1, which is characterized in that
First micro-coil group is made of metal or metal conductive oxide material;
The shape of unit micro-coil is circular ring shape, triangular ring, four annular or six sides in annular, five in first micro-coil group
Annular.
5. liquid crystal optically focused micro mirror array according to claim 1, which is characterized in that
Liquid crystal layer is set between the first oriented layer and the second oriented layer, with a thickness of several microns to tens micron orders;
First oriented layer and the second oriented layer are made of identical material, and thickness is at 100 nanometers to 700 nanometers.
6. liquid crystal optically focused micro mirror array according to claim 1, which is characterized in that
Public electrode is set between the second oriented layer and the second substrate, has identical material with micropore system of battle formations pattern electrode
Material, shape and structure size;
Public electrode is made of metal or metal conductive oxide material, and thickness is at 100 nanometers to 700 nanometers.
7. liquid crystal optically focused micro mirror array according to claim 1, which is characterized in that the maximum square width of external voltage signal
Value is 1 volt to 3 volts, signal frequency modulation in 1KHz to 100MHz range.
8. liquid crystal optically focused micro mirror array according to claim 1, which is characterized in that
Second micro-coil group and the first micro-coil group have identical material and shape and structure size, and the two is vertical
It is perfectly aligned on direction;
Second anti-reflection film and the first anti-reflection film use identical material and thickness.
9. liquid crystal optically focused micro mirror array according to claim 1, which is characterized in that by the frequency for adjusting external voltage signal
Rate, realizes the adjusting to the square amplitude for the induced voltage signal being applied on micropore system of battle formations pattern electrode, and building liquid crystal optically focused is micro-
Control electric field or magnetic field required for lens array, to control the poly- of liquid crystal optically focused micro mirror array based on frequency signal described in completing
Light operation.
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Cited By (1)
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CN109884828A (en) * | 2019-04-17 | 2019-06-14 | 京东方科技集团股份有限公司 | Display panel and mobile terminal |
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CN109884828A (en) * | 2019-04-17 | 2019-06-14 | 京东方科技集团股份有限公司 | Display panel and mobile terminal |
CN109884828B (en) * | 2019-04-17 | 2022-01-11 | 京东方科技集团股份有限公司 | Display panel and mobile terminal |
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