CN104730794A - Multilayer film structure electrochromic displayer - Google Patents
Multilayer film structure electrochromic displayer Download PDFInfo
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- CN104730794A CN104730794A CN201510121404.0A CN201510121404A CN104730794A CN 104730794 A CN104730794 A CN 104730794A CN 201510121404 A CN201510121404 A CN 201510121404A CN 104730794 A CN104730794 A CN 104730794A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/153—Constructional details
- G02F1/155—Electrodes
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/1514—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material
- G02F1/1523—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material
- G02F1/1525—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material characterised by a particular ion transporting layer, e.g. electrolyte
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/153—Constructional details
- G02F1/1533—Constructional details structural features not otherwise provided for
- G02F2001/1536—Constructional details structural features not otherwise provided for additional, e.g. protective, layer inside the cell
Abstract
The invention relates to a multilayer film structure electrochromic displayer. Based on the electrochromic technology and the photonic crystal technology, two electrochromic materials are alternated to form a film, a one-dimensional photonic crystal is formed, after ions are injected into an electrochromic layer, the refractive indexes of different electrochromic materials have different changes, therefore, a photonic crystal forbidden band is changed, so that the reflectance spectrum of a device is changed, and the continuous change of colors and regulation and control over the colors are achieved.
Description
Technical field
The present invention relates to electrochromic material technical field, particularly relate to a kind of electrochromic display device (ECD) and manufacture method thereof of multi-layer film structure.
Background technology
Electrochromic material can by changing extra electric field, the optical property realizing material as reflection, through or absorb reversible change occur.Drive electrochromic device only to need very little power, comparing and conventional picture tube technology, have safely and fast, volume is little, is one of main flow of display technique of new generation.Its excellent properties also can be used for smart window, rearview mirror etc. simultaneously.
Electrochromic device generally comprises electrode layer, electrochromic layer, dielectric substrate.By applying certain voltage to electrode, the ion in electrolyte injects as lithium ion or hydrogen ion and deviates from electrochromic layer, and reversible redox reaction occurs material, the change of simultaneous material color.
For existing electrochromic display, mostly use single photochromic layer, electrochromic display as this kind of in patent CN200910023682.7 can realize two or more color transitions, but can not realize the continuously adjustabe of spectrum, i.e. the continuously changing of color.
The present invention is based on electrochromism technology and photonic crystal technology, two kinds of electrochromic materials are replaced film forming, form 1-D photon crystal, after utilizing ion implantation electrochromic layer, different changes can be there is in different electrochromic material refractive indexes, such as tungsten oxide position high-index material, after injecting ion, refractive index declines; Nickel oxide is low-index material, and after injecting ion, refractive index rises, and causes the change of photonic crystal band, changes the reflectance spectrum of device with this, thus realize consecutive variations and the regulation and control of color.
Summary of the invention
In view of above-mentioned analysis, the present invention aims to provide a kind of based on the continually varying display device in electrochromic limit of visible spectrum, in order to solve the single problem of existing electrochromic display device variable color.
Object of the present invention is mainly achieved through the following technical solutions:
A kind of multi-layer film structure electrochromic display device (ECD) take any materials as substrate, uses magnetron sputtering method, successively sputter bottom electrode layer, ion storage layer, dielectric substrate, 1-D photon crystal photochromic layer, top electrode layer and protective seam.
Wherein substrate can be any flexibility or rigidity substrate, plays a part to support whole display; Bottom electrode layer can be identical with top electrode layer, also can be different, it is made up of the combination of transparent metal oxide as one or more in tin-doped indium oxide, fluorine-doped tin oxide, aluminium-doped zinc oxide and metallic film and grid, the wherein general thick 50-500nm of metal oxide electrode, metal electrode is generally thick is 2-20nm; Ion storage layer can be any one electrochromic material, and as tungsten oxide, nickel oxide, titanium dioxide, molybdena, vanadium pentoxide, or their thickness of wherein two or more hybrid ionic storage layer is generally 100-400nm; Dielectric substrate is a kind of electronic isolation and the material of ion conducting, its sufficiently thick in prevent electric pole short circuit, such as lithium carbonate, lithium phosphate, nitrogen lithium phosphate, lithium tantalate, lithium aluminate, lithium nitride etc., and its thickness is generally 50-500nm; Protective seam is by silicon dioxide, and magnesium fluoride or macromolecular material composition, be used for protecting whole device and play certain anti-reflection effect.
Wherein 1-D photon crystal layer is the periodic structure be made up of different refractivity material, and each cycle is one deck high-index material and one deck low-index material composition, and it can have 2-10 cycle; Wherein each cycle has a kind of high-index material and a kind of low-index material to form; Wherein high-index material, after injection ion, refractive index reduces; Low-index material, after injecting ion, refractive index rises; Wherein the thickness of often kind of refraction materials is between 10-300nm.
Beneficial effect of the present invention is as follows:
Existing electrochromism technology can only realize the display of one or more colors, and display of the present invention, the color display in the long scope of all visible wavelengths can be realized.Namely apply different voltage, device reflectance spectrum can move in whole limit of visible spectrum, display shades of colour.
Other features and advantages of the present invention will be set forth in the following description, and, becoming apparent from instructions of part, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing only for illustrating the object of specific embodiment, and does not think limitation of the present invention, and in whole accompanying drawing, identical reference symbol represents identical parts.
Fig. 1 is the schematic cross-section of device described in embodiment one
Fig. 2 is the photon crystal structure cross section matters figure in device
Fig. 3 is the schematic cross-section of device described in embodiment two
Reflectance spectrum variation diagram when Fig. 4 is device applying voltage
Embodiment
Specifically describe the preferred embodiments of the present invention below in conjunction with accompanying drawing, wherein, accompanying drawing forms the application's part, and together with embodiments of the present invention for explaining principle of the present invention.
Embodiment one
A kind of multi-layer film structure electrochromic display device (ECD) 100, as Fig. 1.Take any materials as substrate 10, use magnetron sputtering method, successively sputter bottom electrode layer 20, ion storage layer 30, dielectric substrate 40,1-D photon crystal photochromic layer 50, top electrode layer 60 and protective seam 70.
Wherein substrate 10 can be any flexibility or rigidity substrate, plays a part to support whole display; Bottom electrode layer 20 can be identical with top electrode layer 60, also can be different, and it is by transparent metal oxide as tin-doped indium oxide, fluorine-doped tin oxide, aluminium-doped zinc oxide are formed; Ion storage layer 30 can be any one electrochromic material, as tungsten oxide, nickel oxide, titanium dioxide, molybdena, vanadium pentoxide, or their wherein two or more mixing; Dielectric substrate 40 is a kind of electronic isolation and the material of ion conducting, his sufficiently thick in prevent electric pole short circuit, such as lithium carbonate, lithium phosphate, nitrogen lithium phosphate, lithium tantalate, lithium aluminate, lithium nitride etc.; Protective seam 70 is by silicon dioxide, and magnesium fluoride or macromolecular material composition, be used for protecting whole device and play certain anti-reflection effect.
Wherein 1-D photon crystal layer 50 is the periodic structures be made up of different refractivity material, and each cycle is one deck high-index material and one deck low-index material composition.Be illustrated in figure 24 periodic structures.Wherein 51,53,55,57 is high-index material, and after injection ion, refractive index reduces; 52,54,56,58 is low-index material, and after injecting ion, refractive index rises.
Embodiment two
A kind of multi-layer film structure electrochromic display device (ECD) 110, as Fig. 3.Take any materials as substrate 10; use magnetron sputtering method, successively sputtered ions restraining barrier 11, bottom metallic electrode layer 19, bottom electrode layer 20, ion storage layer 30, dielectric substrate 40,1-D photon crystal photochromic layer 50, top electrode layer 60, top metal electrode layer 61 and protective seam 70.
Wherein substrate 10 rigid glass substrate, plays a part to support whole display; Ion barrier 11 is generally made up of silicon dioxide, to stop that the sodion in glass enters in device; Bottom metallic electrode layer 19 and top metal electrode 61 to be made up of metal silverskin layer by layer; Bottom electrode layer 20 can be identical with top electrode layer 60, also can be different, and it is made up of the combination of transparent metal oxide as one or more in tin-doped indium oxide, fluorine-doped tin oxide, aluminium-doped zinc oxide and metallic film and grid; Ion storage layer 30 can be any one electrochromic material, as tungsten oxide, nickel oxide, titanium dioxide, molybdena, or their wherein two or more mixing, for storage of ions; Dielectric substrate 40 is a kind of electronic isolation and the material of ion conducting, his sufficiently thick in prevent electric pole short circuit, such as lithium carbonate, lithium phosphate, nitrogen lithium phosphate, lithium tantalate, lithium aluminate, lithium nitride etc.; Protective seam 70 is by silicon dioxide, and magnesium fluoride or macromolecular material composition, be used for protecting whole device and play certain anti-reflection effect.
Wherein 1-D photon crystal layer 50 is the periodic structures be made up of different refractivity material, and each cycle is one deck high-index material and one deck low-index material composition, identical with embodiment one.Be illustrated in figure 24 periodic structures.Wherein 51,53,55,57 is high-index material, and after injection ion, refractive index reduces; 52,54,56,58 is low-index material, and after injecting ion, refractive index rises.
After applying different voltage to device, device is by reflect red to the reversible change of reflect blue, and variation diagram as shown in Figure 4.
In sum, embodiments provide a kind of display based on electrochromism technology and photonic crystal technology, after application of a voltage, reflectance spectrum continuously adjustabe, can show all colours of visible waveband to device.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (10)
1. a multi-layer film structure electrochromic display device (ECD); it is characterized in that: take any materials as substrate (10), use magnetron sputtering method sputter bottom electrode layer (20), ion storage layer (30), dielectric substrate (40), 1-D photon crystal photochromic layer (50), top electrode layer (60) and protective seam (70) successively.
2. multi-layer film structure electrochromic display device (ECD) according to claim 1, it is characterized in that: bottom electrode layer (20) is identical with top electrode layer (60), and by transparent metal oxide, as tin-doped indium oxide, fluorine-doped tin oxide or aluminium-doped zinc oxide, one of them is formed.
3. multi-layer film structure electrochromic display device (ECD) according to claim 1, it is characterized in that: bottom electrode layer (20) is different with top electrode layer (60), and by transparent metal oxide, as tin-doped indium oxide, fluorine-doped tin oxide or aluminium-doped zinc oxide, one of them is formed.
4. multi-layer film structure electrochromic display device (ECD) according to claim 1, it is characterized in that: ion storage layer (30) is for being any one electrochromic material, as tungsten oxide, nickel oxide, titanium dioxide, molybdena, vanadium pentoxide, or their wherein two or more mixing.
5. multi-layer film structure electrochromic display device (ECD) according to claim 1, it is characterized in that: dielectric substrate (40) is a kind of electronic isolation and the material of ion conducting, his sufficiently thick in prevent electric pole short circuit, as lithium carbonate, lithium phosphate, nitrogen lithium phosphate, lithium tantalate, lithium aluminate, lithium nitride etc.
6. multi-layer film structure electrochromic display device (ECD) according to claim 1, is characterized in that: protective seam (70) is by silicon dioxide, and magnesium fluoride or macromolecular material composition, be used for protecting whole device and play certain anti-reflection effect.
7. multi-layer film structure electrochromic display device (ECD) according to claim 1, it is characterized in that: wherein 1-D photon crystal layer (50) is the periodic structure be made up of different refractivity material, each cycle is one deck high-index material and one deck low-index material composition.
8. multi-layer film structure electrochromic display device (ECD) according to claim 7, is characterized in that: the described cycle is 2-10 cycle.
9. multi-layer film structure electrochromic display device (ECD) according to claim 1, is characterized in that: also comprise ion barrier (11), bottom metallic electrode layer (19) and top metal electrode layer (61).
10. multi-layer film structure electrochromic display device (ECD) according to claim 9, is characterized in that: described bottom metallic electrode layer (19) and top metal electrode layer by layer (61) are made up of metal silverskin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510121404.0A CN104730794B (en) | 2015-03-19 | 2015-03-19 | A kind of multi-layer film structure electrochromic display device (ECD) |
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| CN201510121404.0A CN104730794B (en) | 2015-03-19 | 2015-03-19 | A kind of multi-layer film structure electrochromic display device (ECD) |
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| CN104730794B CN104730794B (en) | 2017-10-24 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105204260A (en) * | 2015-09-28 | 2015-12-30 | 邱林新 | Solar power generation building based on electrochromism device and manufacturing method thereof |
| CN105350879A (en) * | 2015-09-28 | 2016-02-24 | 陈杨珑 | Building window having solar power generation function and method for manufacturing same |
| CN110184576A (en) * | 2019-06-18 | 2019-08-30 | 上海空间电源研究所 | A kind of flexible inorganic IR emissivity control material and the preparation method and application thereof |
| CN110471231A (en) * | 2019-08-21 | 2019-11-19 | Oppo广东移动通信有限公司 | Housing unit and electronic equipment |
| CN111045269A (en) * | 2019-12-31 | 2020-04-21 | Oppo广东移动通信有限公司 | Photonic crystal color changing device, color changing method, shell and electronic equipment |
| CN112130391A (en) * | 2020-08-24 | 2020-12-25 | 北京理工大学 | Multilayer film capable of realizing real-time accurate color change based on electric field control |
| CN113005416A (en) * | 2021-03-01 | 2021-06-22 | 森科五金(深圳)有限公司 | Wine red film layer and preparation method thereof |
| CN113419392A (en) * | 2021-08-23 | 2021-09-21 | 深圳大学 | Self-powered electrochromic display device |
| CN113777844A (en) * | 2020-06-09 | 2021-12-10 | Skc株式会社 | Flexible electrochromic device |
| WO2022061953A1 (en) * | 2020-09-22 | 2022-03-31 | 中国科学院苏州纳米技术与纳米仿生研究所 | Multi-color electrochromic structure having high brightness, saturation and purity, multi-color electrochromic device, and method for preparing structure |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105204260A (en) * | 2015-09-28 | 2015-12-30 | 邱林新 | Solar power generation building based on electrochromism device and manufacturing method thereof |
| CN105350879A (en) * | 2015-09-28 | 2016-02-24 | 陈杨珑 | Building window having solar power generation function and method for manufacturing same |
| CN110184576A (en) * | 2019-06-18 | 2019-08-30 | 上海空间电源研究所 | A kind of flexible inorganic IR emissivity control material and the preparation method and application thereof |
| CN110471231A (en) * | 2019-08-21 | 2019-11-19 | Oppo广东移动通信有限公司 | Housing unit and electronic equipment |
| CN111045269A (en) * | 2019-12-31 | 2020-04-21 | Oppo广东移动通信有限公司 | Photonic crystal color changing device, color changing method, shell and electronic equipment |
| CN113777844A (en) * | 2020-06-09 | 2021-12-10 | Skc株式会社 | Flexible electrochromic device |
| CN112130391A (en) * | 2020-08-24 | 2020-12-25 | 北京理工大学 | Multilayer film capable of realizing real-time accurate color change based on electric field control |
| CN112130391B (en) * | 2020-08-24 | 2021-11-05 | 北京理工大学 | Multilayer film capable of realizing real-time accurate color change based on electric field control |
| WO2022061953A1 (en) * | 2020-09-22 | 2022-03-31 | 中国科学院苏州纳米技术与纳米仿生研究所 | Multi-color electrochromic structure having high brightness, saturation and purity, multi-color electrochromic device, and method for preparing structure |
| CN113005416A (en) * | 2021-03-01 | 2021-06-22 | 森科五金(深圳)有限公司 | Wine red film layer and preparation method thereof |
| CN113419392A (en) * | 2021-08-23 | 2021-09-21 | 深圳大学 | Self-powered electrochromic display device |
| CN113419392B (en) * | 2021-08-23 | 2021-11-12 | 深圳大学 | Self-powered electrochromic display device |
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