CN113960845B - Color-changing film, preparation method thereof, window and display screen - Google Patents
Color-changing film, preparation method thereof, window and display screen Download PDFInfo
- Publication number
- CN113960845B CN113960845B CN202111299648.XA CN202111299648A CN113960845B CN 113960845 B CN113960845 B CN 113960845B CN 202111299648 A CN202111299648 A CN 202111299648A CN 113960845 B CN113960845 B CN 113960845B
- Authority
- CN
- China
- Prior art keywords
- layer
- color
- changing
- electrode
- sensing
- 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
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000000758 substrate Substances 0.000 claims abstract description 51
- 230000008859 change Effects 0.000 claims abstract description 22
- 230000004044 response Effects 0.000 claims abstract description 22
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 22
- 239000002041 carbon nanotube Substances 0.000 claims description 22
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 22
- 239000004065 semiconductor Substances 0.000 claims description 21
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 claims description 6
- 229920000172 poly(styrenesulfonic acid) Polymers 0.000 claims description 5
- 229940005642 polystyrene sulfonic acid Drugs 0.000 claims description 5
- 229920000144 PEDOT:PSS Polymers 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000002834 transmittance Methods 0.000 description 20
- 230000000694 effects Effects 0.000 description 8
- 239000011521 glass Substances 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- 238000004040 coloring Methods 0.000 description 6
- 230000005684 electric field Effects 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 239000004983 Polymer Dispersed Liquid Crystal Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000002079 double walled nanotube Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000005340 laminated glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002048 multi walled nanotube Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000002109 single walled nanotube Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- 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
- G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
-
- 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B2009/2464—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds featuring transparency control by applying voltage, e.g. LCD, electrochromic panels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
Abstract
The application relates to a color-changing film, a preparation method thereof, a window and a display screen. A color shifting film comprising: a sensing layer whose resistance changes in response to a change in ambient temperature and changes in response to a pressure applied to the sensing layer; the sensing layer and the color-changing layer are sequentially stacked on the substrate layer; the control module is respectively and electrically connected with the sensing layer and the color-changing layer; the control module is used for receiving the resistance signal value of the sensing layer and generating a control signal for charging and discharging the color-changing layer according to the resistance signal value. The color-changing film can realize automatic color-changing adjustment, avoids inconvenience of manual operation and meets the intelligent requirement.
Description
Technical Field
The application relates to the technical field of color-changing films, in particular to a color-changing film, a preparation method thereof, a window and a display screen.
Background
Electrochromic refers to a phenomenon that optical properties (reflectivity, transmittance, absorptivity, etc.) of a material undergo a stable and reversible color change under the action of an applied electric field, and is represented by a reversible change in color and transparency in appearance. Materials with electrochromic properties are called electrochromic materials, and electrochromic materials can be widely applied in different fields due to the electrochromic properties, for example, when the electrochromic materials are applied to windows, the light transmission properties of glass of the windows can be controlled through voltage control.
However, in practical operation, it is often necessary to manually adjust the voltage to achieve the color change of the electrochromic material, and this manual operation is not convenient.
Disclosure of Invention
Based on the above, there is a need to provide a color-changing film, a manufacturing method thereof, a window and a display screen, which are against the problem of inconvenience in manual voltage adjustment.
According to one aspect of the present application, there is provided a color-changing film comprising:
a sensing layer whose resistance changes in response to a change in ambient temperature and changes in response to a pressure applied to the sensing layer;
the sensing layer and the color-changing layer are sequentially stacked on the substrate layer; and
the control module is respectively and electrically connected with the sensing layer and the color-changing layer; the control module is used for receiving the resistance signal value of the sensing layer and generating a control signal for charging and discharging the color-changing layer according to the resistance signal value.
In one embodiment, the sensor further comprises a first electrode layer arranged on one side of the sensing layer far away from the color-changing layer, a second electrode layer arranged between the sensing layer and the color-changing layer, and a third electrode layer arranged on one side of the color-changing layer far away from the sensing layer;
the first electrode layer includes a first electrode, the second electrode layer includes a second electrode, and the third electrode layer includes a third electrode;
the first electrode, the sensing layer, the second electrode and the control module are connected to form a first series circuit;
the second electrode, the color-changing layer, the third electrode and the control module are connected to form a second series circuit.
In one embodiment, the sensing layer includes a plurality of independent sub-sensing layers;
the color-changing layer comprises a plurality of sub color-changing layers which are in one-to-one correspondence with the sub sensing layers;
each sub-sensing layer is electrically connected to the control module by means of one first electrode and one second electrode to form the first series circuit;
each sub-color-changing layer is electrically connected to the control module by means of one second electrode and one third electrode to form the second series circuit.
In one embodiment, the sensing layer comprises a plurality of sub-sensing layers arranged in rows and columns, and two adjacent sub-sensing layers are spaced from each other;
the color-changing layer comprises a plurality of sub-color-changing layers which are arranged in rows and columns and are in one-to-one correspondence with the sub-sensing layers;
the first electrode layer comprises a plurality of first electrodes which are arranged in rows and are arranged at intervals;
the second electrode layer comprises a plurality of second electrodes which are arranged in a column and are arranged at intervals;
the third electrode layer comprises a plurality of third electrodes which are arranged in rows and are arranged at intervals;
each sub-sensing layer is electrically connected to the control module by means of the first electrodes of the same row and the second electrodes of the same column to form the first series circuit;
each sub-color-changing layer is electrically connected to the control module by means of the second electrode of the same column and the third electrode of the same row to form the second series circuit.
In one embodiment, the overlapping part of the orthographic projection of any one of the first electrodes and any one of the second electrodes on the sensing layer overlaps with one of the sub-sensing layers;
the overlapping part of the orthographic projection of any one of the second electrodes and any one of the third electrodes on the color-changing layer is overlapped with one of the sub-color-changing layers.
In one embodiment, the sensing layer is composed of an organic semiconductor and carbon nanotubes.
In one embodiment, the organic semiconductors are uniformly dispersed in the carbon nanotubes and overlap each other and form a conductive network.
In one embodiment, the organic semiconductor comprises poly (3, 4-ethylenedioxythiophene): polystyrene sulfonic acid (PEDOT: PSS).
According to another aspect of the present application, there is provided a window comprising:
a substrate layer; and
the color-changing film described above.
According to another aspect of the present application, there is also provided a display screen including:
a substrate layer; and
the color-changing film described above.
According to another aspect of the present application, there is also provided a method for producing a color-changing film, comprising:
forming a sensing layer on a substrate layer, wherein the resistance of the sensing layer changes in response to a change in ambient temperature and changes in response to a pressure applied to the sensing layer;
disposing a color-changing layer on a side of the sensing layer away from the substrate layer;
the control module is electrically connected with the sensing layer and the color-changing layer respectively; the control module is used for receiving the resistance signal value of the sensing layer and generating a control signal for charging and discharging the color-changing layer according to the resistance signal value.
In one embodiment, the sensing layer is formed on the substrate layer using ink jet, steel stamp, or coating.
When the color-changing film is used, the resistance of the sensing layer can be changed in response to the change of the ambient temperature, the control module receives the resistance signal value of the sensing layer and generates a control signal for discharging the color-changing layer according to the resistance signal value, so that the color-changing layer is electrochromic and is in a coloring state, the shading effect can be achieved, and the strong blocking effect on radiant heat and ultraviolet rays of solar rays can be achieved. The resistance of the sensing layer can also be changed in response to the pressure applied to the sensing layer, and the control module generates a control signal for discharging the color-changing layer according to the received resistance signal value, so that the color-changing layer can be electrochromic to be in a coloring state; therefore, the color-changing film can realize automatic color-changing adjustment, avoids inconvenience of manual operation and meets the intelligent requirement.
Drawings
Fig. 1 shows a schematic view of a window according to a first embodiment of the application;
FIG. 2 shows a schematic structural view of a color-changing film in an embodiment of the present application;
FIG. 3 shows a block circuit diagram of a sensing layer, a first electrode, a second electrode, and a control module in an embodiment of the application;
FIG. 4 is a schematic diagram of a sensing layer according to an embodiment of the present application;
FIG. 5 is a schematic view showing the structure of a first electrode layer in an embodiment of the present application;
FIG. 6 is a schematic diagram showing the structure of a second electrode layer in an embodiment of the present application;
fig. 7 shows a schematic view of a window according to a second embodiment of the present application;
fig. 8 shows a schematic view of a window according to a third embodiment of the present application.
In the figure: 10. a window; 100. a color-changing film; 110. a sensing layer; 111. a sub-sensing layer; 120. a color-changing layer; 121. a sub-color-changing layer; 131. a first electrode layer; 1311. a first electrode; 132. a second electrode layer; 1321. a second electrode; 133. a third electrode layer; 1331. a third electrode; 140. a control module; 150. a fingerprint sensing layer; 200. a substrate layer; 201. a first substrate layer; 202. a second substrate layer; 210. a fingerprint sensing area.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
The color-changing film disclosed by the embodiment of the application can be used for, but not limited to, intelligent windows, intelligent mirrors, display screens, electronic equipment with display screens, electronic paper, self-adaptive camouflage and the like, so that the intelligent windows, the intelligent mirrors, the display screens, the electronic equipment with display screens, the electronic paper, the self-adaptive camouflage and the like have intelligent regulation and control effects, and the experience of users is improved.
Wherein, intelligent window can be applied to building, car etc..
Fig. 1 shows a schematic structural view of a window 10 according to an embodiment of the present application, and fig. 2 shows a schematic structural view of a color-changing film 100 according to an embodiment of the present application.
Referring to fig. 1 and 2, a window 10 according to an embodiment of the present application includes a color shifting film 100 and a substrate layer 200. The substrate layer 200 may be glass and/or resin, etc.
The color-changing film 100 according to an embodiment of the present application includes a sensing layer 110, a color-changing layer 120, and a control module 140. The sensing layer 110 and the color-changing layer 120 are sequentially stacked on the substrate layer 200, and the resistance of the sensing layer 110 changes in response to a change in ambient temperature and in response to a pressure applied to the sensing layer 110, that is, the resistance of the sensing layer 110 may change with a change in ambient temperature, or may change with a pressure applied to the sensing layer 110, and may apply a force to the substrate layer 200 to form a pressure applied to the sensing layer 110, so that the resistance of the sensing layer 110 changes. It can be seen that the sensing layer 110 has temperature sensitivity and pressure sensitivity.
The control module 140 is electrically connected to the sensing layer 110 and the color-changing layer 120, and the control module 140 is configured to receive a resistance signal value of the sensing layer 110 and generate a control signal for charging and discharging the color-changing layer 120 according to the resistance signal value.
When the ambient temperature of the environment where the substrate layer 200 is located changes, for example, during daytime, the solar rays radiated on the substrate layer 200 raise the temperature of the substrate layer 200, the resistance of the sensing layer 110 changes, the control module 140 receives the resistance signal value of the sensing layer 110, and generates a control signal for discharging the color-changing layer 120 according to the resistance signal value, so that the color-changing layer 120 is electrochromic to be in a coloring state, a shading effect can be achieved, and a strong blocking effect on radiant heat and ultraviolet rays of the solar rays can be achieved. If the environmental temperature of the environment where the substrate layer 200 and the sensing layer 110 are located is reduced in the evening, compared with the daytime, so that the resistance of the sensing layer 110 is changed again, the control module 140 receives the resistance signal value of the sensing layer 110, and generates a control signal for charging the color-changing layer 120 according to the resistance signal value, so that the color-changing layer 120 is electrochromic and is in a light-transmitting state.
After the substrate layer 200 is applied, the resistance of the sensing layer 110 changes in response to the pressure applied to the sensing layer 110, the control module 140 receives the resistance signal value of the sensing layer 110 and generates a control signal for discharging the color-changing layer 120 according to the resistance signal value, so that the color-changing layer 120 is electrochromic to be in a coloring state, a pattern with partial color development can be presented on the display screen, the color-changing film 100 is applied to the display screen by utilizing the characteristic, the pattern with partial color development can be presented on the display screen, and the touch convenience of the display screen is improved.
The color-changing film 100 can be used for a window 10, the substrate layer 200 is glass of the window 10, the color-changing film 100 is arranged on the glass, and the color-changing film 100 can have a strong blocking effect on radiant heat and ultraviolet rays of solar rays.
The color-changing film 100 can also be used for a display screen, the substrate layer 200 is a display panel of the display screen, the color-changing film 100 is arranged on the display panel, the color of the area on which the color-changing film 100 is adhered on the display screen is developed, the color-changing film 100 can be designed into a required pattern, and the pattern can be conveniently displayed on the display screen, so that the touch convenience of the display screen is improved.
In some embodiments, the color-changing layer 120 may be an Electrochromic (EC) material, which includes a transition metal oxide or compound, and exhibits a new spectral absorption band with electron injection and emission, resulting in a new color, when a redox reaction is involved. The color-changing layer 120 changes the material structure through oxidation-reduction reaction by means of electrons provided by the transparent conductive layer and ions in the ion storage layer and the electrolyte layer, so as to change color. The EC material comprises a cathode color-changing material and an anode color-changing material, wherein when negative voltage is applied to the cathode color-changing material, ions in the cathode color-changing material can migrate in, so that valence is reduced, and reduction reaction is performed. When a positive voltage is applied to the anode color-changing material, ions in the anode color-changing material can migrate out, so that the valence number is increased. EC materials also include a material that is color-changeable when both positive and negative voltages are applied, primarily because the material exhibits two different colors, respectively, for ion migration and ion migration within the material, and therefore both positive and negative voltages are applied to the material.
In other embodiments, the color-changing layer 120 may also be a polymer dispersed liquid crystal, also known as PDLC (polymer dispersed liquid crystal), which is a liquid crystal dispersed in small droplets on the order of microns within an organic solid polymer matrix. When an external electric field is applied, the optical axis direction of the liquid crystal molecules in the phase array is unified along the electric field direction, the refractive index of the liquid crystal microdroplets is matched with the refractive index of the organic solid polymer matrix to a certain extent, and light can pass through the organic solid polymer matrix to be in a transparent or semitransparent state, namely the color changing layer 120 is in a light transmission state. When the external electric field is removed, the liquid crystal droplets return to the original scattering state, i.e., the color-changing layer 120 is colored, under the elastic action of the organic solid polymer matrix. Thus, the polymer dispersed liquid crystal has the electric control optical switch characteristic under the action of an electric field.
In other embodiments, the color-changing layer 120 may be an SPD (suspended particle device) light-adjusting film, where the SPD (suspended particle device) light-adjusting film is a film containing some suspended particles, the suspended particles are liquid crystal like polar columnar particles and are suspended in a special liquid to form a suspension, and the suspension is wrapped in a plurality of small packages to form an emulsified film, and transparent electrodes are disposed on two sides of the emulsified film, and when no voltage is applied, the polar columnar particles in the emulsified film are in a dispersed state, i.e. the color-changing layer 120 is in a colored state. After voltage is applied to the transparent electrodes on both sides of the emulsion film, the polar columnar particles are aligned with the electric field, so that the light transmittance of the emulsion film can be increased, that is, the color-changing layer 120 is in a light-transmitting state, and the light transmittance of the emulsion film can be continuously modulated. Optionally, referring to fig. 2 again, the color-changing film 100 further includes a first electrode layer 131 disposed on a side of the sensing layer 110 away from the color-changing layer 120, a second electrode layer 132 disposed between the sensing layer 110 and the color-changing layer 120, and a third electrode layer 133 disposed on a side of the color-changing layer 120 away from the sensing layer 110. Wherein the first electrode layer 131 includes a first electrode 1311, the second electrode layer 132 includes a second electrode 1321, and the third electrode layer 133 includes a third electrode 1331. The first electrode 1311, the sensing layer 110, the second electrode 1321, and the control module 140 are connected to form a first series circuit such that the control module 140 receives the resistance signal value of the sensing layer 110. The second electrode 1321, the color-changing layer 120, the third electrode 1331 and the control module 140 are connected to form a second series circuit, so that the control module 140 generates a control signal for charging and discharging the color-changing layer 120 according to the received resistance signal value.
Optionally, the first electrode 1311 is formed on a side of the sensing layer 110 away from the color-changing layer 120 by at least one of evaporation, sputtering, spraying, or printing. The second electrode 1321 is formed between the sensing layer 110 and the color-changing layer 120 by at least one of evaporation, sputtering, spraying, or printing. The third electrode 1331 is formed on the side of the color-changing layer 120 away from the sensing layer 110 by at least one of vapor deposition, sputtering, spraying or printing.
Optionally, the first electrode 1311, the second electrode 1321 and the third electrode 1331 are transparent electrodes, and the first electrode 1311, the second electrode 1321 and the third electrode 1331 may be ITO (indium tin oxide film) or other transparent electrode films.
Optionally, referring to fig. 2 again in combination with fig. 3, the sensing layer 110 includes a plurality of independent sub-sensing layers 111, the color-changing layer 120 includes a plurality of sub-color-changing layers 121 corresponding to the sub-sensing layers 111 one by one, each sub-sensing layer 111 is electrically connected to the control module 140 by means of a first electrode 1311 and a second electrode 1321 to form a first series circuit, and each sub-color-changing layer 121 is electrically connected to the control module 140 by means of a second electrode 1321 and a third electrode 1331 to form a second series circuit. In this way, the resistance of each sub-sensing layer 111 may change in response to a change in ambient temperature and/or in response to a pressure applied to the sub-sensing layer 111, so as to control the receiving of the resistance signal value of the sub-sensing layer 111, and generate a control signal for charging and discharging the corresponding sub-color-changing layer 121 according to the resistance signal value, so as to realize zonal color change on the color-changing film 100.
The color-changing film 100 can be used for a window 10, the substrate layer 200 is glass of the window 10, the color-changing film 100 is arranged on the glass, and the glass is locally irradiated by sunlight, so that the temperature of a certain sub-sensing layer 111 is increased, the resistance of the sub-sensing layer 111 is changed, and the corresponding sub-color-changing layer 121 is electrochromic to be in a coloring state, so that the color-changing film can achieve a shading effect, can have a stronger blocking effect on radiant heat and ultraviolet rays of solar rays, and can show a zonal color-changing effect on the color-changing film 100.
The color-changing film 100 may also be used for a display screen, where the substrate layer 200 is a display panel of the display screen, and if the color-changing film 100 is disposed on the display panel, for example, only the area of the display panel corresponding to a certain sub-sensing layer 111 is applied with force, the resistance of the sub-sensing layer 111 may be changed, and further the corresponding sub-color-changing layer 121 is electrochromic to be in a coloring state, so that the display screen may exhibit a local color-developing effect.
It is understood that the plurality of sub-sensing layers 111 are independently controlled, and the plurality of sub-color-changing layers 121 are correspondingly independently controlled, so as to exhibit a zoned color-changing effect on the color-changing film 100.
According to some embodiments of the present application, referring to fig. 4, 5 and 6, optionally, the sensing layer 110 includes a plurality of sub-sensing layers 111 arranged in rows and columns, two adjacent sub-sensing layers 111 are spaced apart from each other, the color-changing layer 120 includes a plurality of sub-color-changing layers 121 arranged in rows and columns in a one-to-one correspondence to the sub-sensing layers 111, the first electrode layer 131 includes a plurality of first electrodes 1311 arranged in rows and spaced apart, the second electrode layer 132 includes a plurality of second electrodes 1321 arranged in columns and spaced apart, and the third electrode layer 133 includes a plurality of third electrodes 1331 arranged in rows and spaced apart.
Referring to fig. 3 in combination, each sub-sensing layer 111 is electrically connected to the control module 140 by means of the first electrodes 1311 of the same row and the second electrodes 1321 of the same column to form a first series circuit. It is understood that the plurality of sub-sensing layers 111 in the same row share a first electrode 1311 corresponding to the row, the plurality of sub-sensing layers 111 in the same column share a second electrode 1321 corresponding to the column, that is, the plurality of sub-sensing layers 111 in the N-th row in the sensing layer 110 share a first electrode 1311 in the N-th row in the first electrode layer 131, and the plurality of sub-sensing layers 111 in the N-th column in the sensing layer 110 share a second electrode 1321 in the N-th column in the second electrode layer 132, so that the plurality of sub-sensing layers 111 are electrically connected to the control module 140 respectively to realize independent control of the plurality of sub-sensing layers 111.
Each sub-color shifting layer 121 is electrically connected to the control module 140 by means of the second electrode 1321 of the same column and the third electrode 1331 of the same row to form a second series circuit. It can be understood that the plurality of sub-color-changing layers 121 in the same column share a second electrode 1321 corresponding to the column, the plurality of sub-color-changing layers 121 in the same row share a third electrode 1331 corresponding to the row, that is, the plurality of sub-color-changing layers 121 in the nth column in the color-changing layer 120 share a second electrode 1321 in the nth column in the second electrode layer 132, and the plurality of sub-color-changing layers 121 in the nth row in the color-changing layer 120 share a third electrode 1331 in the nth column in the third electrode layer 133, so that the plurality of sub-color-changing layers 121 are electrically connected to the control module 140 respectively to realize independent control of the plurality of sub-color-changing layers 121.
It should be noted that, taking an example in which the plurality of sub-sensing layers 111 are arranged in three rows and three columns, the plurality of first electrodes 1311 are arranged in three rows, and the plurality of second electrodes 1321 are arranged in three columns for illustration, fig. 3 shows an example in which 9 sub-sensing layers 111 are electrically connected to the control module 140, respectively, in fig. 3, the 9 sub-sensing layers 111 are numbered 1, 2, 3,4, 5, 6, 7, 8, and 9,3 first electrodes 1311 are numbered 1, 2, and 3, respectively, from the first row to the third row, and the 3 second electrodes 1321 are numbered 1, 2, and 3, respectively, from the first column to the third column, respectively. The plurality of sub-sensing layers 111 may be electrically connected to the control module 140 respectively with reference to the electrical connection of fig. 3, and the plurality of sub-color-changing layers 121 may be electrically connected to the control module 140 respectively with reference to the electrical connection of fig. 3.
According to some embodiments of the present application, optionally, the overlapping portion of the orthographic projection of any first electrode 1311 and any second electrode 1321 on the sensing layer 110 overlaps with a certain sub-sensing layer 111, so as to increase the contact area between the sub-sensing layer 111 and the electrical connection portion of the corresponding first electrode 1311, and also increase the contact area between the sub-sensing layer 111 and the electrical connection portion of the corresponding second electrode 1321, thereby further improving the reliability of the electrical connection of the sub-sensing layer 111 to the control module 140.
The overlapping portion of the orthographic projection of any second electrode 1321 and any third electrode 1331 on the color-changing layer 120 overlaps with a certain sub color-changing layer 121, so that the contact area of the electrical connection portion of the sub color-changing layer 121 and the corresponding second electrode 1321 can be increased, the contact area of the electrical connection portion of the sub color-changing layer 121 and the corresponding third electrode 1331 can be increased, the reliability of the electrical connection of the sub color-changing layer 121 to the control module 140 can be further increased, and the reliability of color-changing control can be also increased.
In fig. 2, for convenience in showing the structures of the first electrode layer 131, the sensing layer 110, the second electrode layer 132, the color-changing layer 120 and the third electrode layer 133, fig. 2 shows an exploded schematic view of the first electrode layer 131, the sensing layer 110, the second electrode layer 132, the color-changing layer 120 and the third electrode layer 133, and in some embodiments, optionally, there are overlapping portions between the orthographic projections of the first electrode layer 131, the sensing layer 110, the second electrode layer 132, the color-changing layer 120 and the third electrode layer 133 on the substrate layer 200.
Optionally, the sensing layer 110 is composed of an organic semiconductor and carbon nanotubes, according to some embodiments of the present application. On the one hand, the Carbon Nanotube (CNT) has a piezoresistive property, and an external force is applied to the sensing layer 110, so that the resistance of the sensing layer 110 is reduced and the conductivity of the sensing layer 110 is improved, on the other hand, the organic semiconductor has a thermal conductivity, and when the temperature of the sensing layer 110 is increased, the number of electrons and holes in the organic semiconductor is increased, so that the resistance of the organic semiconductor is reduced and the conductivity is improved, and on the basis of the fact, the sensing layer 110 formed by compounding the organic semiconductor and the carbon nanotube has both pressure sensitivity and temperature sensitivity, so that the sensing layer 110 has the capability of detecting the temperature and the pressure.
According to some embodiments of the present application, optionally, the organic semiconductors are uniformly dispersed in the carbon nanotubes and overlap with each other to form a conductive network, and the pores of the carbon nanotubes are filled with the organic semiconductors, so that the conductivity of the formed conductive network structure is significantly enhanced, and the conductivity is significantly improved.
Optionally, the organic semiconductors are uniformly dispersed in the carbon nanotubes and overlap each other and form a conductive network as follows: adding Carbon Nano Tube (CNT), water and dispersing agent into a sample bottle, placing the sample bottle into an ultrasonic stirring device to uniformly disperse the Carbon Nano Tube (CNT), placing the sample bottle into a drying device to remove redundant water in the sample bottle, finally adding an organic semiconductor (poly (3, 4-ethylenedioxythiophene): polystyrene sulfonic acid) into the sample bottle, placing the sample bottle into the ultrasonic stirring device to uniformly disperse the organic semiconductor into the Carbon Nano Tube (CNT), and mutually overlapping the organic semiconductor and the Carbon Nano Tube (CNT) to form a conductive network.
Optionally, the carbon nanotubes are one or any combination of single-walled carbon nanotubes, double-walled carbon nanotubes and multi-walled carbon nanotubes.
According to some embodiments of the application, optionally, the organic semiconductor comprises poly (3, 4-ethylenedioxythiophene): polystyrene sulfonic acid (PEDOT: PSS), which increases the dispersibility of PEDOT in water by utilizing the hydrophilicity of PSS, so that the organic semiconductors are uniformly dispersed in the carbon nanotubes and overlap each other and form a conductive network.
Optionally, referring to fig. 7, the sensing layer 110 is provided with a fingerprint sensing layer 150 electrically connected to the control module 140, the substrate layer 200 is provided with a fingerprint sensing region 210 corresponding to the fingerprint sensing layer 150, the fingerprint sensing layer 150 is configured to obtain a suitable transmittance signal value or a transmittance of interest according to an environmental condition in response to a touch applied to the fingerprint sensing region 210, and the controller applies a corresponding voltage to the color-changing layer 120 according to the received transmittance signal value to change the transmittance of the color-changing layer 120.
Optionally, the fingerprint sensing layer 150 includes an identification module for storing and identifying fingerprint information of a user, and a storage module for storing a transmittance signal value corresponding to the fingerprint information, and the controller applies a corresponding voltage to the color change layer 120 according to the fingerprint information acquired by the identification module, the voltage corresponding to the transmittance signal value of the fingerprint information. In this way, the fingerprint sensing layer 150 can be used to store the light transmittance signal value according with the user's preference, and after the recognition module recognizes the fingerprint information of the user, a corresponding voltage is applied to the color-changing layer 120, so that the light transmittance of the color-changing layer 120 is adjusted to the light transmittance according with the user's preference.
Alternatively, the fingerprint sensing layer 150 may be an optical fingerprint sensor, a photoelectric sensor, a capacitive fingerprint sensor, or an ultrasonic biosensor.
In some embodiments, if the fingerprint sensing layer 150 is an optical fingerprint sensor, the environmental conditions include the illuminance a of the outdoor environment in which the sensing layer 110 is located, and the time t when the pressure is applied to the fingerprint sensing region 210.
Table 1 shows corresponding transmittance data at different illuminance A and different time t
The storage module may also store the transmittance signal values of the same user in different time periods and according with the preference of the user, in table 1 above, when the user 1 applies pressure to the fingerprint sensing area 210 at 11:35, the identification module of the fingerprint sensing layer 150 identifies the fingerprint information of the user 1, and then applies the corresponding voltage to the color-changing layer 120, so as to adjust the transmittance of the color-changing layer 120 to 30%. If user 1 applies pressure to the fingerprint sensing area 210 for a period of time ranging from 15:00 to 20:00, the light transmittance of the color shifting layer 120 is adjusted to 80%.
Similarly, when user 2 applies pressure to fingerprint sensing region 210 at 19:17, the transmittance of color shifting layer 120 is adjusted to 100%. If user 2 applies pressure to fingerprint sensing region 210 for a period of 06:00-15:00, the light transmittance of color shifting layer 120 is adjusted to 50%.
Similarly, when user 3 applies pressure to fingerprint sensing region 210 at 16:15, the transmittance of color shifting layer 120 is adjusted to 70%. If user 3 applies pressure to fingerprint sensing region 210 for a period of 06:00-15:00, the light transmittance of color shifting layer 120 is adjusted to 48%.
In other embodiments, if the fingerprint sensing layer 150 is an optical fingerprint sensor, the environmental condition includes the illuminance of the light source of the environment in which the sensing layer 110 is located, wherein the light source includes an IR light source or the like.
Alternatively, the fingerprint sensing layer 150 may be embedded in the sensing layer 110, and the sensing layer 110 is provided with a hollowed-out area corresponding to the fingerprint sensing layer 150, so that the fingerprint sensing layer 150 is accommodated in the hollowed-out area.
The fingerprint sensing layer 150 may also be disposed on a side of the sensing layer 110 facing the substrate layer 200.
In some embodiments, the sensing layer 110 is attached to the substrate layer 200, and the sensing layer 110 may be attached to the substrate layer 200 by a glue material and in a die-bonding manner. The sensing layer 110 may be attached to the substrate layer 200 by a glue material and a full-coverage bonding method.
Note that , the window 10 may also be opened after fingerprint recognition by the fingerprint sensing layer 150. In addition, although the orientation of the beam angle is not related to the above embodiment, it is noted that, for example, the user 1 performs fingerprint recognition near 11:35 noon, and after fingerprint recognition, the window may start the controller 140 to compare the identities, and in a possible implementation manner of this embodiment, the controller 140 may also integrate the position acquisition module to determine whether the user 1 is not in the sun-dried area, if so, the window 10 may include a beam orientation layer (not shown), and direct the beam to the position or the area required by the user 1, so that the user 1 is no longer located in the sun-dried area. Or the color change layer 120 is used to convert the light beam into a color that is preferred by the user 1, etc. Possible beam directing layers may include gratings, optical refractive elements, or other optical components that are transparent and may be implemented, although the application is not limited in this regard.
Referring to fig. 8, a window 10 according to another embodiment of the application includes a substrate layer 200 and the color-changing film 100, wherein the substrate layer 200 may be a laminated glass or a laminated resin, and the substrate layer 200 may include a first substrate layer 201 and a second substrate layer 202 disposed opposite to each other. The first substrate layer 201 and the second substrate layer 202 may be glass and/or resin, etc. A color-changing layer 120 is disposed between the first substrate layer 201 and the second substrate layer 202, a sensing layer 110 is disposed between the color-changing layer 120 and the first substrate layer 201, another sensing layer 110 is disposed between the color-changing layer 120 and the second substrate layer 202, and all the sensing layers 110 and the color-changing layer 120 are electrically connected to the control module 140. That is, the first substrate layer 201 and the second substrate layer 202 share one color-changing layer 120, so that the resistance of any one sensing layer 110 changes in response to the change of the environmental temperature of the environment where the window 10 is located, and also changes in response to the pressure applied to the two side surfaces of the window 10, so that the color-changing layer 120 is in a colored state, thereby achieving the effect of shading, enabling the window 10 to be installed without being installed in a forward or reverse direction, and improving the applicability of the window 10. The display screen provided by the embodiment of the application comprises a substrate layer 200 and the color-changing film 100. The display screen can be provided with the patterns with local color development, so that the touch convenience of the display screen is improved.
The preparation method of the color-changing film 100 according to an embodiment of the application comprises the following steps
Referring again to fig. 1, a sensing layer 110 is formed on a substrate layer 200, wherein the resistance of the sensing layer 110 changes in response to a change in ambient temperature and in response to a pressure applied to the sensing layer 110.
The color-changing layer 120 is stacked on a side of the sensing layer 110 away from the substrate layer 200.
The control module 140 is electrically connected with the sensing layer 110 and the color-changing layer 120 respectively; the control module 140 is configured to receive the resistance signal value of the sensing layer 110, and generate a control signal for charging and discharging the color-changing layer 120 according to the resistance signal value.
According to some embodiments of the present application, the sensing layer 110 is optionally formed on the substrate layer 200 using an inkjet, a stamp, or a coating. The color-changing film 100 is conveniently applied to the window 10, and the application range of the color-changing film 100 is widened.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (10)
1. A color shifting film, comprising:
a sensing layer whose resistance changes in response to a change in ambient temperature and changes in response to a pressure applied to the sensing layer;
the sensing layer and the color-changing layer are sequentially stacked on the substrate layer; and
the control module is respectively and electrically connected with the sensing layer and the color-changing layer; the control module is used for receiving the resistance signal value of the sensing layer and generating a control signal for charging and discharging the color-changing layer according to the resistance signal value;
wherein the sensing layer is formed by compounding an organic semiconductor and a carbon nano tube;
the organic semiconductor comprises poly (3, 4-ethylenedioxythiophene): polystyrene sulfonic acid (PEDOT: PSS).
2. The color shifting film of claim 1, further comprising a first electrode layer disposed on a side of the sensing layer remote from the color shifting layer, a second electrode layer disposed between the sensing layer and the color shifting layer, and a third electrode layer disposed on a side of the color shifting layer remote from the sensing layer;
the first electrode layer includes a first electrode, the second electrode layer includes a second electrode, and the third electrode layer includes a third electrode;
the first electrode, the sensing layer, the second electrode and the control module are connected to form a first series circuit;
the second electrode, the color-changing layer, the third electrode and the control module are connected to form a second series circuit.
3. The color shifting film of claim 2, wherein the sensing layer comprises a plurality of separate sub-sensing layers;
the color-changing layer comprises a plurality of sub color-changing layers which are in one-to-one correspondence with the sub sensing layers;
each sub-sensing layer is electrically connected to the control module by means of one first electrode and one second electrode to form the first series circuit;
each sub-color-changing layer is electrically connected to the control module by means of one second electrode and one third electrode to form the second series circuit.
4. The color shifting film of claim 2, wherein the sensing layer comprises a plurality of sub-sensing layers arranged in rows and columns, adjacent two of the sub-sensing layers being spaced apart from each other;
the color-changing layer comprises a plurality of sub-color-changing layers which are arranged in rows and columns and are in one-to-one correspondence with the sub-sensing layers;
the first electrode layer comprises a plurality of first electrodes which are arranged in rows and are arranged at intervals;
the second electrode layer comprises a plurality of second electrodes which are arranged in a column and are arranged at intervals;
the third electrode layer comprises a plurality of third electrodes which are arranged in rows and are arranged at intervals;
each sub-sensing layer is electrically connected to the control module by means of the first electrodes of the same row and the second electrodes of the same column to form the first series circuit;
each sub-color-changing layer is electrically connected to the control module by means of the second electrode of the same column and the third electrode of the same row to form the second series circuit.
5. The color-changing film according to claim 4, wherein a superposed portion of orthographic projection of any one of the first electrodes and any one of the second electrodes on the sensing layer and one of the sub-sensing layers are superposed with each other;
the overlapping part of the orthographic projection of any one of the second electrodes and any one of the third electrodes on the color-changing layer is overlapped with one of the sub-color-changing layers.
6. The color-changing film according to claim 1, wherein the organic semiconductors are uniformly dispersed in the carbon nanotubes and overlap each other and form a conductive network.
7. A window, comprising:
a substrate layer; and
the color-changing film according to any one of claims 1 to 6.
8. A display screen, comprising:
a substrate layer; and
the color-changing film according to any one of claims 1 to 6.
9. A method of making a color shifting film comprising:
forming a sensing layer on a substrate layer, wherein the resistance of the sensing layer changes in response to a change in ambient temperature and changes in response to a pressure applied to the sensing layer;
disposing a color-changing layer on a side of the sensing layer away from the substrate layer;
the control module is electrically connected with the sensing layer and the color-changing layer respectively; the control module is used for receiving the resistance signal value of the sensing layer and generating a control signal for charging and discharging the color-changing layer according to the resistance signal value;
wherein the sensing layer is formed by compounding an organic semiconductor and a carbon nano tube;
the organic semiconductor comprises poly (3, 4-ethylenedioxythiophene): polystyrene sulfonic acid (PEDOT: PSS).
10. The method of producing a color-changing film according to claim 9, wherein the sensing layer is formed on the base material layer by means of ink-jet, stamp or coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111299648.XA CN113960845B (en) | 2021-11-04 | 2021-11-04 | Color-changing film, preparation method thereof, window and display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111299648.XA CN113960845B (en) | 2021-11-04 | 2021-11-04 | Color-changing film, preparation method thereof, window and display screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113960845A CN113960845A (en) | 2022-01-21 |
| CN113960845B true CN113960845B (en) | 2023-08-29 |
Family
ID=79469228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111299648.XA Active CN113960845B (en) | 2021-11-04 | 2021-11-04 | Color-changing film, preparation method thereof, window and display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113960845B (en) |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4294519A (en) * | 1978-05-26 | 1981-10-13 | Sharp Kabushiki Kaisha | Color density stabilizer for electrochromic display |
| AU2005335123A1 (en) * | 2004-11-09 | 2007-02-08 | Board Of Regents, The University Of Texas System | The fabrication and application of nanofiber ribbons and sheets and twisted and non-twisted nanofiber yarns |
| KR20100056015A (en) * | 2008-11-19 | 2010-05-27 | 디케이 유아이엘 주식회사 | A tactile sensor array and its manufacturing method |
| CN104049826A (en) * | 2014-05-20 | 2014-09-17 | 深圳市航泰光电有限公司 | Carbon nano-tube capacitive touch screen and manufacturing method thereof |
| CN105374926A (en) * | 2014-08-06 | 2016-03-02 | 中国科学院化学研究所 | Flexible multifunctional sensor, preparation method and application thereof |
| CN106761234A (en) * | 2015-11-24 | 2017-05-31 | 天津市海涛门窗有限公司 | A kind of windowpane of tunable optical |
| CN106761235A (en) * | 2015-11-24 | 2017-05-31 | 天津市海涛门窗有限公司 | A kind of Intelligent adjustment windowpane |
| CN106895924A (en) * | 2015-12-21 | 2017-06-27 | 中国电力科学研究院 | A kind of flexible temperature and pressure transmitter |
| CN108108058A (en) * | 2018-01-05 | 2018-06-01 | 业成科技（成都）有限公司 | Touch sensing device |
| CN109001916A (en) * | 2018-09-04 | 2018-12-14 | Oppo广东移动通信有限公司 | The method that intelligent color-changing glasses and control intelligent color-changing glasses change colour |
| CN208459743U (en) * | 2018-04-25 | 2019-02-01 | 东旭科技集团有限公司 | For controlling the device and electrochromic system of electrochomeric glass |
| CN110543057A (en) * | 2019-09-09 | 2019-12-06 | 业成科技（成都）有限公司 | Electrochromic display device and driving method thereof |
| EP3586113A1 (en) * | 2017-02-21 | 2020-01-01 | Technion Research & Development Foundation Limited | Biomimetic sensing platform unit |
| CN110736559A (en) * | 2019-10-09 | 2020-01-31 | 武汉纺织大学 | Flexible temperature-pressure sensor and preparation method and application thereof |
| KR20200028119A (en) * | 2018-09-06 | 2020-03-16 | 재단법인 나노기반소프트일렉트로닉스연구단 | Flexible multimodal sensor and method for preparing the same |
| CN112051680A (en) * | 2020-08-24 | 2020-12-08 | 意力(广州)电子科技有限公司 | Color-changing film control system and method |
| CN112269497A (en) * | 2020-11-04 | 2021-01-26 | Oppo广东移动通信有限公司 | Control method and electronic device |
| CN112987438A (en) * | 2021-04-09 | 2021-06-18 | 维沃移动通信有限公司 | Electronic equipment and shell structure thereof |
| CN113390525A (en) * | 2021-05-31 | 2021-09-14 | 中国科学院深圳先进技术研究院 | Flexible temperature sensor array and preparation method thereof |
| WO2021212927A1 (en) * | 2020-04-21 | 2021-10-28 | 武汉纺织大学 | Multifunctional sensing integrated flexible fabric-based sensor and use thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10101219B2 (en) * | 2008-09-05 | 2018-10-16 | The Research Foundation For The State University Of New York | Carbon nanotube sensing system, carbon nanotube dew point hygrometer, method of use thereof and method of forming a carbon nanotube dew point hygrometer |
| US8357858B2 (en) * | 2008-11-12 | 2013-01-22 | Simon Fraser University | Electrically conductive, thermosetting elastomeric material and uses therefor |
| KR20170033865A (en) * | 2014-07-22 | 2017-03-27 | 브레우어 사이언스 인코포레이션 | Thin-film resistive-based sensor |
| KR20190027553A (en) * | 2017-09-07 | 2019-03-15 | 주식회사 하이딥 | Portable terminal comprising touch pressure detector on side of the same |
| US11614645B2 (en) * | 2020-03-06 | 2023-03-28 | Beijing Boe Sensor Technology Co., Ltd. | Dimming glass and manufacturing method thereof, dimming glass system and driving method thereof |
| CN114033281A (en) * | 2021-11-01 | 2022-02-11 | 珠海华发人居生活研究院有限公司 | Internet of things intelligent window capable of automatically adjusting luminous flux |
-
2021
- 2021-11-04 CN CN202111299648.XA patent/CN113960845B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4294519A (en) * | 1978-05-26 | 1981-10-13 | Sharp Kabushiki Kaisha | Color density stabilizer for electrochromic display |
| AU2005335123A1 (en) * | 2004-11-09 | 2007-02-08 | Board Of Regents, The University Of Texas System | The fabrication and application of nanofiber ribbons and sheets and twisted and non-twisted nanofiber yarns |
| KR20100056015A (en) * | 2008-11-19 | 2010-05-27 | 디케이 유아이엘 주식회사 | A tactile sensor array and its manufacturing method |
| CN104049826A (en) * | 2014-05-20 | 2014-09-17 | 深圳市航泰光电有限公司 | Carbon nano-tube capacitive touch screen and manufacturing method thereof |
| CN105374926A (en) * | 2014-08-06 | 2016-03-02 | 中国科学院化学研究所 | Flexible multifunctional sensor, preparation method and application thereof |
| CN106761234A (en) * | 2015-11-24 | 2017-05-31 | 天津市海涛门窗有限公司 | A kind of windowpane of tunable optical |
| CN106761235A (en) * | 2015-11-24 | 2017-05-31 | 天津市海涛门窗有限公司 | A kind of Intelligent adjustment windowpane |
| CN106895924A (en) * | 2015-12-21 | 2017-06-27 | 中国电力科学研究院 | A kind of flexible temperature and pressure transmitter |
| EP3586113A1 (en) * | 2017-02-21 | 2020-01-01 | Technion Research & Development Foundation Limited | Biomimetic sensing platform unit |
| CN108108058A (en) * | 2018-01-05 | 2018-06-01 | 业成科技（成都）有限公司 | Touch sensing device |
| CN208459743U (en) * | 2018-04-25 | 2019-02-01 | 东旭科技集团有限公司 | For controlling the device and electrochromic system of electrochomeric glass |
| CN109001916A (en) * | 2018-09-04 | 2018-12-14 | Oppo广东移动通信有限公司 | The method that intelligent color-changing glasses and control intelligent color-changing glasses change colour |
| KR20200028119A (en) * | 2018-09-06 | 2020-03-16 | 재단법인 나노기반소프트일렉트로닉스연구단 | Flexible multimodal sensor and method for preparing the same |
| CN110543057A (en) * | 2019-09-09 | 2019-12-06 | 业成科技（成都）有限公司 | Electrochromic display device and driving method thereof |
| CN110736559A (en) * | 2019-10-09 | 2020-01-31 | 武汉纺织大学 | Flexible temperature-pressure sensor and preparation method and application thereof |
| WO2021212927A1 (en) * | 2020-04-21 | 2021-10-28 | 武汉纺织大学 | Multifunctional sensing integrated flexible fabric-based sensor and use thereof |
| CN112051680A (en) * | 2020-08-24 | 2020-12-08 | 意力(广州)电子科技有限公司 | Color-changing film control system and method |
| CN112269497A (en) * | 2020-11-04 | 2021-01-26 | Oppo广东移动通信有限公司 | Control method and electronic device |
| CN112987438A (en) * | 2021-04-09 | 2021-06-18 | 维沃移动通信有限公司 | Electronic equipment and shell structure thereof |
| CN113390525A (en) * | 2021-05-31 | 2021-09-14 | 中国科学院深圳先进技术研究院 | Flexible temperature sensor array and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李宁.基于PEDOT:PSS-CNT和平板电容的柔性温度压力传感器研究.《中国优秀硕士学位论文全文数据库信息科技辑》.2020,(第2(2020)期),第I140-362页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113960845A (en) | 2022-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Jensen et al. | Development and manufacture of polymer‐based electrochromic devices | |
| US5604626A (en) | Photochromic devices | |
| US8736941B2 (en) | Electrochromic display apparatus and method of manufacturing the same | |
| RU2420772C2 (en) | Electrochemical system on plastic substrate | |
| US7999992B2 (en) | Charge conducting medium | |
| KR100938427B1 (en) | Electrically-operated device with variable optical and/or energetic properties | |
| US6950220B2 (en) | Electro-optic displays, and methods for driving same | |
| KR100865629B1 (en) | Electrochromic device with improved display properties and preparing method of the same | |
| Singh et al. | Fabrication of solar and electrically adjustable large area smart windows for indoor light and heat modulation | |
| CA2840502A1 (en) | Multiple controlled electrochromic devices for visible and ir modulation | |
| CN102187747A (en) | Polymeric conductive donor and transfer method | |
| CN102346343A (en) | Electrochromic display device, fabrication method therefor, and driving method therefor | |
| EP3004980B1 (en) | An electrophoretic solar control device | |
| CN113960845B (en) | Color-changing film, preparation method thereof, window and display screen | |
| JP6255451B2 (en) | Display device | |
| KR102108828B1 (en) | Electrode Plate and Electrochomic Mirror Using the Same | |
| US20020043655A1 (en) | Optical element, optical element composition and method for controlling stimuli-responsive polymer gel | |
| KR102470079B1 (en) | Chromic nanoparticles, discoloring device including the same and display device including the same | |
| EP0652463B1 (en) | Counterelectrode for smart window and smart window | |
| KR20140074066A (en) | Electrochromic film and method for the same | |
| US20060139725A1 (en) | Electrochromic device | |
| WO2019172133A1 (en) | Electrochromic element and smart window | |
| WO2008049275A1 (en) | Flexible electromic apparatus | |
| JP2004258228A (en) | Reflective liquid crystal element, method for manufacturing the same, and display device | |
| CN117647905A (en) | Handwriting liquid crystal film and handwriting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240111 Address after: 518109, Building E4, 101, Foxconn Industrial Park, No. 2 East Ring 2nd Road, Fukang Community, Longhua Street, Longhua District, Shenzhen City, Guangdong Province (formerly Building 1, 1st Floor, G2 District), H3, H1, and H7 factories in K2 District, North Shenchao Optoelectronic Technology Park, Minqing Road, Guangdong Province Patentee after: INTERFACE OPTOELECTRONICS (SHENZHEN) Co.,Ltd. Patentee after: Interface Technology (Chengdu) Co., Ltd. Patentee after: GENERAL INTERFACE SOLUTION Ltd. Address before: No.689 Hezuo Road, West District, high tech Zone, Chengdu City, Sichuan Province Patentee before: Interface Technology (Chengdu) Co., Ltd. Patentee before: INTERFACE OPTOELECTRONICS (SHENZHEN) Co.,Ltd. Patentee before: Yicheng Photoelectric (Wuxi) Co.,Ltd. Patentee before: GENERAL INTERFACE SOLUTION Ltd. |