CN205427366U - Electricity reflectivity film of adjusting luminance - Google Patents
Electricity reflectivity film of adjusting luminance Download PDFInfo
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- CN205427366U CN205427366U CN201620199696.XU CN201620199696U CN205427366U CN 205427366 U CN205427366 U CN 205427366U CN 201620199696 U CN201620199696 U CN 201620199696U CN 205427366 U CN205427366 U CN 205427366U
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- thin film
- negative electrode
- reflection efficiency
- light modulation
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- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
The utility model discloses an electricity reflectivity film of adjusting luminance. Including first optical medium layer, set gradually first anode, second optical medium layer and ultor at first optical medium layer upper surface to and set up the negative pole at first optical medium layer lower surface, the negative pole is even matter conductive film structure, first anode with the ultor has the array distribution's of M N unit the conductive film in hole received to constitute by cloth on it, through the modulation load at first anode and cloudy interelectrode first chronogenesis voltage signal and load in ultor and cloudy interelectrode second chronogenesis voltage signal, array electronic density and distribution form on the modulation negative pole, and then modulation electricity reflectivity film of adjusting luminance's light reflectivity. The utility model discloses can carry out automatically controlled modulation to the light reflectivity of wide range incident beam, have that dynamic is big, polarization insensitivity, drive nimble meticulous, the characteristics that the response is fast, the light reflex attitude can automatically controlledly be cut into and change of adjusting luminance of accuse.
Description
Technical field
This utility model belongs to optical precision measurement and controls technical field, more particularly, to a kind of electricity light modulation reflection efficiency thin film, by the electronics distributional pattern on stacking patterned electrodes excitation micro-nano electric field controls negative electrode, regulates and controls light wave reflection rate.
Background technology
Light reflective film is a kind of important control optical element, for realizing light beam upper state reflection at film interface, its reflection performance is restricted by the continuous of interface dielectric material and transition dielectric properties, and the superposing type spatial orientation that the membrane material dielectric group showing as interface and near interface is driven presented electric oscillation polarization excitation and electromagnetism to launch by electromagnetic wave field again responds with locality.Reflective usefulness except be limited by pellicular front shape and with other functional structure couple form in addition to, also closely related with the refractive index situation that micro-nano functional structure feature and the spatial arrangement form thereof of component film material are retrained.Up to now, light reflective film obtains in fields such as industrial and agricultural production, national defence, scientific research and consumption and is widely used, and currently advances along directions such as physicochemical property, special micro-nano formation function and characteristic electromagnetic exciter responses in improvement further and the surface of reinforcing membrane material and film.The main film type developed includes: (one) is based on special micro-nano reflective structure densely arranged in membrane interface and film, it is achieved wave beam high-efficiency reflective on the thin film plane of incidence；(2) high reflectance of light beam is obtained based on structure metallization optical mirror plane；(3) there is film or the film based material of specific dielectric properties for specific environment or structure configuration, it is achieved efficiency light reflection based on medium refraction index optimization coupling inside and outside film；(4) based on electromagnetic beam phase matched at membrane interface, by interfering or diffraction realizes reflectance and improves；(5) high reflectance outgoing beam is obtained based on wave beam particular polarization behavior at medium interface；(6) by the feature dielectric properties Laminar distribution of material, it is achieved wave beam high-efficiency reflective on the thin film plane of incidence；(7) based on environment or target characteristic, it is achieved the dynamic regulation etc. of thin film dielectrics luminous reflectance usefulness.
At present, variation film technology that luminous reflectance is adjustable, under application drives, all proposes requirements at the higher level to its function, performance indications and cost etc..The major technique mode the most set up includes: the dielectric properties of (one) thin-film material can realize a certain degree of modulation, such as typical photorefractive material, electrically-controlled liquid crystal material and thermic variations in refractive index material etc. by electroluminescent, mangneto, sound cause, thermic or photic physical and chemical effect；(2) being coupled by complicated technology splicing based on fixation reflex rate diaphragm, the luminous reflectance under the conditions of the mobile use of structure can modulation film framework；(3) by the refractive index of membrane material can modulation attribute, characteristic interference based on wave beam, diffraction or polarization, it is achieved reflected beam energy transports the variable manipulation of usefulness；(4) luminous reflectance realizing switch or two-value formula based on ferroelectricity, ferromagnetic or hot phase transformation overturns change etc..Tunable optical reflection efficiency thin film technology as above, at the foreseeable tunable optical reflective film technical elements should with large dynamic range in satisfied future, by this defect not enough for display capabilities.Critical problem has: (one) existing membrane material himself can mean only that extremely limited varying reflectivity moves scope by modulation physics and chemistry attribute, and there is the low light level threshold value that obvious high light is saturated and higher；(2) transit time between the optics stable state under modulation operation is longer and responds relative delay；(3) the gradual change luminous reflectance thin film that price is the highest must use under mobile condition, and light intensity is limited discrete variation form and need to configure auxiliary precision optical machinery device, thus the problem such as bring cost and work load heavily；(4) based on can the optical interference of modulation, diffraction or the control optical thin film of polarization effect, there is the variable region relative narrowness of strong wave spectrum or polarization dependence and reflective light intensity；(5) present the membrane material of thermic luminous reflectance Strength Changes effect because of thermal inertia, apply in general to the gradual situation of optics, there is also the problems such as environmental factor dependence, the unidirectional heat property moved and thermal fluctuation simultaneously；(5) film framework based on two-value window effect only relates to reflect the break-make switching etc. of light beam.In a word, development is applicable to quickly, broadband, polarization insensitive, drive control flexibly, the tuning range of reflective light intensity big, the film framework of the continuous modulation of light intensity, transition, arbitrary state incision or exchange etc. can be performed, it is still focus and the difficulties developing reflective control optical thin film technology the most further, in the urgent need to new breakthrough.
Utility model content
Disadvantages described above or Improvement requirement for prior art, this utility model provides a kind of electricity light modulation reflection efficiency thin film, the luminous reflectance of wide range incident wave beam can be performed automatically controlled modulation, have that dynamic range is big, polarization insensitive, drive that control is the finest, light modulation response is fast, luminous reflectance state can the feature of automatically controlled incision and exchange.
For achieving the above object, this utility model provides a kind of electricity light modulation reflection efficiency thin film, it is characterized in that, including the first optical media player, it is successively set on the first anode, the second optical media player and the second plate of described first optical media player upper surface, and it being arranged on the negative electrode of described first optical media player lower surface, described negative electrode is homogeneous conductive film structure, and the described first anode and described second plate are constituted by the conducting film of the receiving bore being furnished with the distribution of M × N element array on it；The the first time-sequential voltage signal being carried between the described first anode and described negative electrode by modulation and the second time-sequential voltage signal being carried between described second plate and described negative electrode, the density of the array electronics on negative electrode described in modulation and distributional pattern, and then the luminous reflectance of electricity light modulation reflection efficiency thin film described in modulation.
Preferably, by the first time-sequential voltage signal described in modulation and the frequency of described second time-sequential voltage signal or dutycycle, the effectively control light operating time of described electricity light modulation reflection efficiency thin film is regulated.
Preferably, the density of the array electronics on described negative electrode is the biggest, and the luminous emissivity of correspondence position is the biggest.
Preferably, under power-off state, the distribution density of the electronics on described negative electrode is identical, and described electricity light modulation reflection efficiency thin film presents the high optical reflectance of intrinsic.
Preferably, it is the first receiving bore activity coefficient that definition receiving bore area accounts for the ratio of the total clear field of the first anode, it is the second receiving bore activity coefficient that definition receiving bore area accounts for the ratio of the total clear field of second plate, described first receiving bore activity coefficient and described second receiving bore activity coefficient are all more than 84%, and described second receiving bore activity coefficient is more than described first receiving bore activity coefficient.
Preferably, described receiving bore for receive square hole, receive circular hole or cross bore of receiving.
Preferably, described second plate is additionally provided with the first protecting film away from the one side of described second optical media player, and described negative electrode is additionally provided with the second protecting film away from the one side of described first optical media player.
Preferably, above-mentioned electricity light modulation reflection efficiency thin film also includes anode electrical lead microbonding district and negative electrode electrical lead microbonding district, described anode electrical lead microbonding district is arranged on the side of the close described second plate of described electricity light modulation reflection efficiency thin film, for accessing the described first anode and the metal electronic lead of described second plate, described negative electrode electrical lead microbonding district is arranged on the side of the close described negative electrode of described electricity light modulation reflection efficiency thin film, for accessing the metal electronic lead of described negative electrode.
In general, by the contemplated above technical scheme of this utility model compared with prior art, have the advantages that
1, realizing receiving spacing and couple by densely arranged for the receiving bore in two kinds of apertures constituted double-deck pattern electrode receives with layer of metal membrane electrode respectively, constituting can the electric control optical thin film framework dimming reflectance；
2, by can the two-way time-sequential voltage signal of modulation frequency, amplitude and dutycycle flexibly at thin application of loads on sealing membrane, it is achieved the electricity regulation and control of reflecting light energy state, have and drive that control is the finest, light modulation response is fast, luminous reflectance state can automatically controlled incision and the feature of exchange；
3, by forming the array electric microfield of controllable sharpness at negative and positive interpolar, the array electronics distribution density on regulation and control metallic cathode, present quick, stable and that environmental effect is low control light feature；
4, there is easy and other functional optical, photoelectricity and the feature of electronics structure Coupling；
5, the array distribution density by controlling cathode electronics regulates and controls the energy transport usefulness of reflecting light, it is adaptable to wide range, random polarization state and the feature of wide energy state light wave.
Accompanying drawing explanation
Fig. 1 is that the electric reflection efficiency thin film that dims of this utility model embodiment mainly presents the structural representation of anode one end；
Fig. 2 is that the electric reflection efficiency thin film that dims of this utility model embodiment mainly presents the structural representation of negative electrode one end；
Fig. 3 is the cross-sectional view of the electricity light modulation reflection efficiency thin film of this utility model embodiment；
Fig. 4 is the electrode structure schematic diagram of the electricity light modulation reflection efficiency thin film of this utility model embodiment；
Fig. 5 is several typical anode constructions.
In all of the figs, identical reference is used for representing identical element or structure, wherein: 1-the first electrical lead microbonding district, 2-the second electrical lead microbonding district, 3-anode end face, 4-rectangle designator, 5-electricity light modulation reflection efficiency thin film, 6-the 3rd electrical lead microbonding district, 7-negative electrode end face.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.As long as just can be mutually combined additionally, technical characteristic involved in each embodiment of this utility model disclosed below does not constitutes conflict each other.
Fig. 1 is that the electric reflection efficiency thin film that dims of this utility model embodiment mainly presents the structural representation of anode one end, and Fig. 2 is that the electric reflection efficiency thin film that dims of this utility model embodiment mainly presents the structural representation of negative electrode one end.As shown in the figure, anode end face 3 in electricity light modulation reflection efficiency thin film is provided with the first electrical lead microbonding district 1 and the second electrical lead microbonding district 2, it is respectively used to access the metal electronic lead that the first anode and second plate with electricity light modulation reflection efficiency thin film are connected, it is additionally provided with rectangle designator 4 on anode end face 3, is that anode powers up face for indicating the face at rectangle designator 4 place；Position corresponding with the first electrical lead microbonding district 1 or the second electrical lead microbonding district 2 on negative electrode end face 7, is provided with the 3rd electrical lead microbonding district 6, the metal electronic lead that the negative electrode for accessing with electricity light modulation reflection efficiency thin film is connected.
Fig. 3 is the cross-sectional view of the electricity light modulation reflection efficiency thin film of this utility model embodiment.As shown in the figure; electricity light modulation reflection efficiency thin film includes the first optical media player; it is successively set on the first anode of the first optical media player upper surface, the second optical media player, second plate and the first protecting film, and is successively set on negative electrode and second protecting film of the first optical media player lower surface.Wherein, the first protecting film and the second protecting film electrify simultaneously insulating effect, the first optical media player and the second optical media player be electrically insulating material, the first anode and second plate be patterned graphene film, negative electrode is the metal film of nanometer grade thickness.More specifically, electricity light modulation reflection efficiency thin film mainly includes following four functional module: the patterned layer stacked anode that () is made up of two-layer grapheme material；(2) planar cathode being made up of nanometer grade thickness metal material；(3) being filled between patterned graphene electrode and the transparent optical medium material of nanometer grade thickness that patterned graphene electrode and metal are received between membrane electrode, the thickness of optical medium material precisely defines double-deck patterned graphene electrode spacing and patterned graphene electrode and metal and receives membrane electrode spacing；(4) top-level graphical functionalized graphene electrode and metal receive membrane electrode outer surface on protecting film/electrical insulating film of making respectively.
Under powering up state, two-way time-sequential voltage signal V1And V2Be carried in respectively the first anode and negative electrode and second plate with on negative electrode, negative and positive interpolar motivate have micrometer structure yardstick and electric field intensity and field sharpness can the array electric microfield of modulation, V1And V2Both can be positivity voltage signal, it is also possible to be negative voltage signal, or all comprise the composition of plus or minus under the conditions of being mutually matched, micro-the dissipating from first anode arrival cathode surface as shown in Figure 3 sharpens electric field E1, and from second plate penetrate the first anode arrive cathode surface micro-dissipate sharpening electric field E2.It is distributed in the local electric field E of cathode surface, by E1And E2Superposition is constituted, and meets E=E1+E2Relation；The array electric microfield that the electronics that can move freely on negative electrode is encouraged by cathode surface drives, in each electric microfield, electric field intensity maximum position is assembled, its luminous reflectance of position having dense electronics to be distributed on negative electrode will be obviously enhanced, and the luminous reflectance lacking electronics position then will substantially weaken.
Fig. 4 is the electrode structure schematic diagram of the electricity light modulation reflection efficiency thin film of this utility model embodiment.As it can be seen, the first anode and second plate are constituted (M, N are the integer more than 1) by the graphene film being furnished with the receiving bore that M × N element array is distributed on it.It is the first receiving bore activity coefficient that definition receiving bore area accounts for the ratio of the total clear field of the first anode, it is the second receiving bore activity coefficient that definition receiving bore area accounts for the ratio of the total clear field of second plate, first receiving bore activity coefficient and the second receiving bore activity coefficient are all more than 84%, and second receiving bore activity coefficient more than the first receiving bore activity coefficient, the electrical field covered region close to 100% can be formed at cathode surface, thus uncontrolled negative electrode light leak is minimized degree.Wherein, receiving bore refers to the pore structure of nano-scale dimension, preferably regular shape, and Fig. 5 gives several typical nano pore structure, as receive square hole, receive circular hole and cross bore of receiving.
The average effect that luminous reflectance is comprehensive each micro-zone light reflection situation of electricity light modulation reflection efficiency thin film；Under power-off state, the electronics distribution density on negative electrode is identical, and the light beam incided on negative electrode is fully reflected；Be carried in the simple two-way signal voltage between anodic-cathodic respectively by modulation, the density of the array electronics on modulation negative electrode and distributional pattern thereof, the electricity that incident wave beam performs luminous reflectance adjusts manipulation；By mating frequency and the dutycycle of the two-way time-sequential voltage signal that modulation is loaded, control the duration of modulation luminous reflectance.
Work process the following detailed description of the electricity light modulation reflection efficiency thin film of this utility model embodiment.First by the metal electronic lead pressure welding drawn by the first anode in the first electrical lead microbonding district, by the metal electronic lead pressure welding drawn by second plate in the second electrical lead microbonding district, by the metal electronic lead pressure welding drawn by negative electrode in the 3rd electrical lead microbonding district.The two-way time-sequential voltage signal with characteristic frequency, amplitude and dutycycle is carried on electricity light modulation reflection efficiency thin film respectively by three metal electronic lead, positive terminal therein is carried on the first anode and second plate respectively, negative electricity end is carried on negative electrode, along with effectively loading and the orderly modulation of electrical quantity of signal voltage, the light wave inciding its negative electrode one end is gradually tuned at limited reflection performance by electricity light modulation reflection efficiency thin film；By frequency or the dutycycle of regulation voltage signal, the effectively control light operating time of regulation electricity light modulation reflection efficiency thin film.
Electricity light modulation reflection efficiency thin film of the present utility model, the time-sequential voltage signal using two-way width-adjustable and modulating signal dutycycle controls the luminous reflectance of electricity light modulation reflection efficiency thin film, have that dynamic range is big, polarization insensitive, drive that control is the finest, light modulation response is fast, luminous reflectance state can the feature of automatically controlled incision and exchange.
Those skilled in the art is easy to understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (8)
1. an electricity light modulation reflection efficiency thin film, it is characterized in that, including the first optical media player, it is successively set on the first anode, the second optical media player and the second plate of described first optical media player upper surface, and it is arranged on the negative electrode of described first optical media player lower surface, described negative electrode is homogeneous metal film structures, and the described first anode and described second plate are constituted by the graphene film being furnished with the receiving bore that M × N element array is distributed on it；The the first time-sequential voltage signal being carried between the described first anode and described negative electrode by modulation and the second time-sequential voltage signal being carried between described second plate and described negative electrode, the density of the array electronics on negative electrode described in modulation and distributional pattern, and then the luminous reflectance of electricity light modulation reflection efficiency thin film described in modulation.
2. electricity light modulation reflection efficiency thin film as claimed in claim 1, it is characterised in that by the first time-sequential voltage signal described in modulation and the frequency of described second time-sequential voltage signal or dutycycle, regulate the effectively control light operating time of described electricity light modulation reflection efficiency thin film.
3. electricity light modulation reflection efficiency thin film as claimed in claim 1, it is characterised in that the density of the array electronics on described negative electrode is the biggest, and the luminous emissivity of correspondence position is the biggest.
4. electricity light modulation reflection efficiency thin film as claimed in claim 1, it is characterised in that under power-off state, the distribution density of the electronics on described negative electrode is identical, and described electricity light modulation reflection efficiency thin film presents the high optical reflectance of intrinsic.
5. the electricity light modulation reflection efficiency thin film as according to any one of Claims 1-4, it is characterized in that, it is the first receiving bore activity coefficient that definition receiving bore area accounts for the ratio of the total clear field of the first anode, it is the second receiving bore activity coefficient that definition receiving bore area accounts for the ratio of the total clear field of second plate, described first receiving bore activity coefficient and described second receiving bore activity coefficient are all more than 84%, and described second receiving bore activity coefficient is more than described first receiving bore activity coefficient.
6. the electricity light modulation reflection efficiency thin film as according to any one of Claims 1-4, it is characterised in that described receiving bore for receive square hole, receive circular hole or cross bore of receiving.
7. the electricity light modulation reflection efficiency thin film as according to any one of Claims 1-4; it is characterized in that; described second plate is additionally provided with the first protecting film away from the one side of described second optical media player, and described negative electrode is additionally provided with the second protecting film away from the one side of described first optical media player.
8. the electricity light modulation reflection efficiency thin film as according to any one of Claims 1-4, it is characterized in that, also include anode electrical lead microbonding district and negative electrode electrical lead microbonding district, described anode electrical lead microbonding district is arranged on the side of the close described second plate of described electricity light modulation reflection efficiency thin film, for accessing the described first anode and the metal electronic lead of described second plate, described negative electrode electrical lead microbonding district is arranged on the side of the close described negative electrode of described electricity light modulation reflection efficiency thin film, for accessing the metal electronic lead of described negative electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620199696.XU CN205427366U (en) | 2016-03-15 | 2016-03-15 | Electricity reflectivity film of adjusting luminance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620199696.XU CN205427366U (en) | 2016-03-15 | 2016-03-15 | Electricity reflectivity film of adjusting luminance |
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| CN205427366U true CN205427366U (en) | 2016-08-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759464A (en) * | 2016-03-15 | 2016-07-13 | 华中科技大学 | Electrically-modulated light reflectivity thin film |
| CN108808257A (en) * | 2018-05-03 | 2018-11-13 | 上海交通大学 | The controllable super surface of refractive index |
-
2016
- 2016-03-15 CN CN201620199696.XU patent/CN205427366U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759464A (en) * | 2016-03-15 | 2016-07-13 | 华中科技大学 | Electrically-modulated light reflectivity thin film |
| CN105759464B (en) * | 2016-03-15 | 2018-08-21 | 华中科技大学 | A kind of electricity light modulation reflection efficiency thin film |
| CN108808257A (en) * | 2018-05-03 | 2018-11-13 | 上海交通大学 | The controllable super surface of refractive index |
| CN108808257B (en) * | 2018-05-03 | 2020-09-15 | 上海交通大学 | Refractive index controllable super surface |
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Effective date of registration: 20171228 Address after: 430074 Hubei Province, Wuhan city Hongshan District Luoyu Road No. 1037 Co-patentee after: SHANGHAI AEROSPACE CONTROL TECHNOLOGY RESEARCH INSTITUTE Patentee after: Huazhong University of Science and Technology Address before: 430074 Hubei Province, Wuhan city Hongshan District Luoyu Road No. 1037 Patentee before: Huazhong University of Science and Technology |
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