CN111546817A - Multilayer color change body and method for producing same - Google Patents

Multilayer color change body and method for producing same Download PDF

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Publication number
CN111546817A
CN111546817A CN202010323496.1A CN202010323496A CN111546817A CN 111546817 A CN111546817 A CN 111546817A CN 202010323496 A CN202010323496 A CN 202010323496A CN 111546817 A CN111546817 A CN 111546817A
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color
layer
variable
layers
change
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CN202010323496.1A
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Chinese (zh)
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李峰
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Individual
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Priority to CN202010323496.1A priority Critical patent/CN111546817A/en
Publication of CN111546817A publication Critical patent/CN111546817A/en
Priority to PCT/CN2021/083069 priority patent/WO2021213131A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/02Superimposing layers
    • B44C3/025Superimposing layers to produce ornamental relief structures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30Identification or security features, e.g. for preventing forgery
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02Forms or constructions
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02Forms or constructions
    • G09F2003/0257Multilayer

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)

Abstract

The embodiment of the application discloses a multilayer color-changing body and a generation method thereof, wherein the multilayer color-changing body comprises: the color filter comprises a substrate and a plurality of color layers which are arranged on the substrate and are mutually overlapped; at least one color layer in the plurality of color layers is a variable color layer; the color of the color-variable layer changes under a preset condition; the preset conditions may include any one or more of: time conditions, light conditions, temperature conditions, ph conditions, and humidity conditions. Through the scheme of the embodiment, the three-dimensional sense of the paper and the plate is increased, the paper and the plate can be conveniently applied to more fields such as decoration, anti-counterfeiting and the like, the application range and plasticity of the paper and the plate are increased, information such as the aging and the state of the environment where the paper and the plate are located can be reflected, and the paper and the plate with vitality are provided.

Description

Multilayer color change body and method for producing same
Technical Field
The present invention relates to paper and plate design technology, and is especially one kind of multilayer color changing body and its production process.
Background
At present, with the development of a three-dimensional structure processing technology, three-dimensional structure processing of paper, plates and the like can be realized, however, because the existing paper and plates are basically single-layer and have single processing objects, and the three-dimensional structure products processed by the single-layer paper and the single-layer plates have single structure and relatively small application range, innovation of the current paper and plates is urgently needed.
In addition, the prior paper and plate cannot reflect the aging and the state of the environment, and are non-vital paper and plate.
Disclosure of Invention
The embodiment of the application provides a multilayer color-changing body and a generation method thereof, which increase the three-dimensional sense of paper and plates, facilitate the application of the paper and the plates in more fields of decoration, anti-counterfeiting and the like, increase the application range and plasticity of the paper and the plates, reflect information such as aging and the state of the environment, and provide the paper and the plates with vitality.
The embodiment of the application provides a multilayer color-changing body, can include: the color filter comprises a substrate and a plurality of color layers which are arranged on the substrate and are mutually overlapped; at least one color layer in the plurality of color layers is a variable color layer;
wherein the color of the color-changeable layer changes under a preset condition;
the preset condition may include any one or more of the following: time conditions, light conditions, temperature conditions, ph conditions, and humidity conditions.
In an exemplary embodiment of the present application, when the preset condition is a time condition, the color of the variable color layer may be changed after a preset time period is reserved;
when the preset condition is an illumination condition, the color of the variable color layer can be changed after the preset illumination time is kept and/or after the light irradiating the variable color layer reaches the preset illumination intensity;
when the preset condition is a temperature condition, the color of the color-variable layer can be changed correspondingly along with the temperature change of the environment;
when the preset condition is a pH value condition, the color of the color-variable layer can be correspondingly changed along with the pH value change of the environment;
when the preset condition is a humidity condition, the color of the color-changeable layer can be changed correspondingly with the humidity change of the environment.
In an exemplary embodiment of the present application, the changing of the color of the variable color layer may include: to a transparent color or from a first color to a second color.
In an exemplary embodiment of the present application, a first isolation film may be disposed between any two adjacent color layers of the plurality of color layers; and/or the presence of a gas in the gas,
a second barrier film may be disposed on a topmost color layer of the plurality of color layers.
In an exemplary embodiment of the present application, the first and second separation films may have a color other than a color included in the multi-color layer.
In an exemplary embodiment of the present application, the first and second separation films may be colorless transparent bodies.
In an exemplary embodiment of the present application, the substrate, the first isolation film, and the second isolation film may be made of different materials, or at least any two of the materials may be the same.
In exemplary embodiments of the present application, the substrate, the first separation film, and the second separation film may include any one or more of: paper, wood chips, metal sheets, plastic sheets, synthetic material sheets and solid coatings;
wherein the paper may include: tissue paper, copy paper and kraft paper.
In exemplary embodiments of the present application, one or more features may be disposed in the plurality of color layers.
In an exemplary embodiment of the present application, the arrangement position of the feature in the plurality of color layers may include any one or more of:
in each color layer;
between any two adjacent color layers; and the number of the first and second groups,
and penetrates through the color layers.
The embodiment of the present application further provides a method for generating a multilayer color-changing body, where the multilayer color-changing body may be any one of the multilayer color-changing bodies described above, and the method may include:
providing a substrate;
superposing a plurality of color layers on the substrate according to a preset sequence; wherein at least one of the plurality of color layers is a variable color layer; the color of the color-variable layer changes under a preset condition; at least two adjacent color layers in the plurality of color layers have different colors.
Compared with the related art, the multi-layer color-changing body of the embodiment of the present application may include: the color filter comprises a substrate and a plurality of color layers which are arranged on the substrate and are mutually overlapped; at least one color layer in the plurality of color layers is a variable color layer; wherein the color of the color-changeable layer changes under a preset condition; the preset condition may include any one or more of the following: time conditions, light conditions, temperature conditions, ph conditions, and humidity conditions. Through the scheme of the embodiment, the three-dimensional sense of the paper and the plate is increased, the paper and the plate can be conveniently applied to more fields such as decoration, anti-counterfeiting and the like, the application range and plasticity of the paper and the plate are increased, information such as the aging and the state of the environment where the paper and the plate are located can be reflected, and the paper and the plate with vitality are provided.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. Other advantages of the present application may be realized and attained by the instrumentalities and combinations particularly pointed out in the specification and the drawings.
Drawings
The accompanying drawings are included to provide an understanding of the present disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the examples serve to explain the principles of the disclosure and not to limit the disclosure.
FIG. 1 is a schematic view of a multi-layered color-changing body according to an embodiment of the present application;
fig. 2 is a flowchart of a method for generating a multi-layered color change body according to an embodiment of the present application.
Detailed Description
The present application describes embodiments, but the description is illustrative rather than limiting and it will be apparent to those of ordinary skill in the art that many more embodiments and implementations are possible within the scope of the embodiments described herein. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are possible. Any feature or element of any embodiment may be used in combination with or instead of any other feature or element in any other embodiment, unless expressly limited otherwise.
The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements disclosed in this application may also be combined with any conventional features or elements to form a unique inventive concept as defined by the claims. Any feature or element of any embodiment may also be combined with features or elements from other inventive aspects to form yet another unique inventive aspect, as defined by the claims. Thus, it should be understood that any of the features shown and/or discussed in this application may be implemented alone or in any suitable combination. Accordingly, the embodiments are not limited except as by the appended claims and their equivalents. Furthermore, various modifications and changes may be made within the scope of the appended claims.
Further, in describing representative embodiments, the specification may have presented the method and/or process as a particular sequence of steps. However, to the extent that the method or process does not rely on the particular order of steps set forth herein, the method or process should not be limited to the particular sequence of steps described. Other orders of steps are possible as will be understood by those of ordinary skill in the art. Therefore, the particular order of the steps set forth in the specification should not be construed as limitations on the claims. Further, the claims directed to the method and/or process should not be limited to the performance of their steps in the order written, and one skilled in the art can readily appreciate that the sequences may be varied and still remain within the spirit and scope of the embodiments of the present application.
An embodiment of the present application provides a multi-layered color-changing body, as shown in fig. 1, which may include: the color filter comprises a substrate and a plurality of color layers which are arranged on the substrate and are mutually overlapped;
the colors of at least two adjacent color layers in the plurality of color layers can be kept different;
at least one color layer in the plurality of color layers is a variable color layer; the color of the color-changeable layer is changed under a preset condition.
In the exemplary embodiments of the present application, the color of each color layer may be a pure color (e.g., pure red, pure green, and pure blue), or may be a composite color, and the specific color of each color layer is not limited herein.
In the exemplary embodiment of the present application, providing a plurality of color layers may be used to process the plurality of color layers (including but not limited to cutting, engraving, etching, etc.), and by processing to different color layers, colors of the different color layers may be exhibited, so as to form a color three-dimensional structure.
In exemplary embodiments of the present application, the color space structure may form various patterns and figures. The patterns and graphics may include, but are not limited to, any regular or irregular lines, solid graphics, and the like. For example: solid geometry, solid characters, solid numbers, solid object images (e.g., animal images, plant images, story scene images, etc.).
In exemplary embodiments of the present application, the colored three-dimensional structure may be used for decoration, may be used as an identification mark, may be a trademark, and may also be used as an identification code (e.g., a three-dimensional code, or the like).
In the exemplary embodiments of the present application, the variable color layer may be one or more, and there is no limitation on the number of setting layers of the variable color layer, a specific color change, and the like.
In the exemplary embodiments of the present application, when there are a plurality of variable color layers, each variable color layer may be the same kind or different.
In an exemplary embodiment of the present application, the preset condition may include, but is not limited to, any one or more of the following: time conditions, light conditions, temperature conditions, ph conditions, and humidity conditions.
In an exemplary embodiment of the present application, when the preset condition is a time condition, the color of the variable color layer changes after a preset time period is reserved;
when the preset condition is an illumination condition, the color of the variable color layer is changed after the preset illumination time is kept and/or after the light irradiating the variable color layer reaches the preset illumination intensity; the color change may be reversible or irreversible;
when the preset condition is a temperature condition, the color of the color-variable layer correspondingly changes along with the temperature change of the environment; the color change may be reversible or irreversible;
when the preset condition is a pH value condition, the color of the color-variable layer can be correspondingly changed along with the pH value change of the environment; the color change may be reversible or irreversible;
when the preset condition is a humidity condition, the color of the color-variable layer can be correspondingly changed along with the humidity change of the environment; the color change may be reversible or irreversible.
In an exemplary embodiment of the present application, the changing of the color of the variable color layer may include: to a transparent color or from a first color to a second color.
In an exemplary embodiment of the present application, when the preset condition is a time condition, the corresponding variable color layer on the multi-layered color-changing body may be changed according to time, so that the aging of a product to which the multi-layered color-changing body is applied may be directly determined according to the color change. For example, for a food product, if the shelf life is half a year, it can be determined by a color change whether the food product is expired.
In an exemplary embodiment of the present application, when the preset condition is a lighting condition, the corresponding color-changeable layer on the multi-layer color-changeable body may be changed according to the characteristics of light (for example, the characteristics may include, but are not limited to, an irradiation duration, an irradiation intensity, and the like), so that the adaptability of the product to which the multi-layer color-changeable body is applied to the lighting condition of the environment may be directly determined according to the color change. For example, for products that are subjected to harsh lighting conditions, storage conditions can be determined by observing the color change in the multilayer color change.
In the exemplary embodiment of the present application, for example, for wine products (such as red wine, white wine, etc.), especially red wine, if the identification code or the anti-counterfeit code of the product is made by the multi-layered color-changing body in the embodiment of the present application, color layers that change color differently according to different preset conditions may be provided in the identification code or the anti-counterfeit code, for example, a color layer that changes with time, a color layer that changes with light intensity, or a color layer that changes according to temperature may be provided, when red wine is identified and stored, the storage time length of the wine (i.e., which year of red wine can be identified by color change) may be immediately identified by the color of the identification code on the red wine package, and whether the current storage temperature, illumination condition, etc. are appropriate may be identified according to the color change of the preset region, so as to facilitate the optimal storage of the wine. The embodiment scheme is convenient for non-professional personnel to realize professional identification and storage of the red wine.
In an exemplary embodiment of the present application, when the preset condition is a temperature condition, the corresponding variable color layer on the multi-layer color-changing body may change according to temperature, for example, the color of the variable color layer changes when the temperature of the environment reaches the preset temperature, so that when the multi-layer color-changing body of the embodiment of the present application is used on a product with a relatively strict temperature requirement, for example, by observing the color change of the corresponding region of the trademark, the identification code, the anti-counterfeiting code, and the like, it may be determined whether the required temperature condition is met.
In the exemplary embodiment of the present application, for example, for food products requiring low-temperature refrigeration, some supermarkets do not provide refrigeration conditions of corresponding temperature, so that the food products may have deteriorated during their shelf life, however, since the product is in a closed package state, the consumer cannot confirm that the product has deteriorated through the outer package, and therefore, the consumer's interest is seriously affected when purchasing the product. If the color of the identification code on the product can change along with the temperature, the color of the preset area on the identification code can be changed when the refrigerating temperature is higher than the preset temperature (or the refrigerating temperature is higher than the preset temperature for a certain time length), so as to indicate that the food is not refrigerated according to the requirements, and therefore, a consumer can judge whether the food is deteriorated by himself or herself instead of relying on the printed production date, the benefit of the consumer is greatly protected, the benefit of a product producer is also protected, and the influence on the reputation of the quality of the product due to unreasonable storage of a vendor is avoided for the producer.
In an exemplary embodiment of the present application, when the preset condition is a humidity condition, the corresponding variable color layer on the multilayer color-changing body may change according to humidity, for example, the color of the variable color layer changes when the humidity of the environment reaches a preset humidity value, so that when the multilayer color-changing body according to the embodiment of the present application is used on a product having a relatively strict humidity requirement, for example, by observing the color change of the corresponding area of the trademark, the identification code, the anti-counterfeiting code, and the like, it may be determined whether the required humidity condition is met.
In an exemplary embodiment of the present application, when the preset condition is a ph value condition, the corresponding variable color layer on the multilayer color-changing body may change according to the ph value, for example, the color of the variable color layer changes when the ph value of the environment reaches a preset ph value threshold, so that when the multilayer color-changing body of the present application is used on a product with a relatively strict ph value requirement, for example, a trademark, an identification code, an anti-counterfeit code, etc. set by the multilayer color-changing body may determine whether the required ph value condition is met by observing the color change of the corresponding region of the trademark, the identification code, the anti-counterfeit code, etc.
In the exemplary embodiments of the present application, the color change of each variable color layer may be reversible or irreversible, and is not particularly limited herein.
In the exemplary embodiment of this application, when the ornament is made to the multilayer discolouring body of large tracts of land, if set up multiple variable colour layer in this multilayer discolouring body (for example, carry out the variable colour layer that the colour changes along with temperature, humidity, pH valve, illumination intensity, illumination are long etc.), can set up corresponding a plurality of fretworks respectively in order to expose different variable colour layers, when this ornament pendulum was located indoorly, can observe out the situation of change of indoor environment state through the fretwork of different positions in real time.
In an exemplary embodiment of the present application, a first isolation film may be disposed between any two adjacent color layers of the plurality of color layers; and/or the presence of a gas in the gas,
a second barrier film may be disposed on a topmost color layer of the plurality of color layers.
In the exemplary embodiment of the present application, a first separation film may be provided between any two adjacent color layers; one or more of the first separators may be provided, or the first separator may not be provided. And one or more isolating films can be arranged on each layer according to different characteristics of materials adopted by the different color layers.
In an exemplary embodiment of the present application, in order to protect the topmost color layer, a second isolation film may be disposed on the topmost color layer.
In an exemplary embodiment of the present application, the first and second separation films may be colorless transparent bodies. So that the color of the lower color layer can be observed through the first isolating film when the hollow-out part is machined to the first isolating film.
In an exemplary embodiment of the present application, the substrate, the first isolation film, and the second isolation film may be made of different materials, or at least any two of the materials may be the same.
In an exemplary embodiment of the present application, the materials of the substrate, the first isolation film, and the second isolation film may include, but are not limited to: paper, sheets of various materials (e.g., wood chips, metal sheets, plastic sheets, synthetic material sheets, etc.), solid coatings, and the like. The paper may include, but is not limited to: tissue paper, copy paper and kraft paper.
In an exemplary embodiment of the present application, the color of the first isolation film may be a color other than the color included in the multi-layer color layer, so as to avoid being confused with the color rubbed by the multi-layer color.
In an exemplary embodiment of the present application, for example, for a structural three-dimensional code (a two-dimensional code and a barcode are represented by different engraved color blocks) provided by the multi-layered color-changing body of the embodiment of the present application, there may be an area without information (for example, a white area in a black-and-white two-dimensional code seen daily), and the color of the first isolation film may not be the color of scan code information constituting the two-dimensional code and the barcode, and may be set to be an information-free color, for example, white; it is also possible to set a color completely different from that of the scan code information as a confusing color.
In an exemplary embodiment of the present invention, the variable color layer may include any one or more of: temperature sensitive materials, nano materials, photosensitive materials, humidity sensitive materials and pH value sensitive materials.
In exemplary embodiments of the present application, one or more features may be disposed in the plurality of color layers.
In an exemplary embodiment of the present application, the arrangement position of the feature in the plurality of color layers may include any one or more of:
in each color layer;
between any two adjacent color layers; and the number of the first and second groups,
and penetrates through the color layers.
In an exemplary embodiment of the invention, the features may be threads and/or color blocks of any color.
In exemplary embodiments of the invention, where the feature is a thread, for example, it may be a colored fiber; when the feature is a color block, for example, the feature may be a color patch fixed in a color layer.
In the exemplary embodiment of the present invention, there is no limitation on the width, length, color, material, orientation, winding pattern, implementation manner, arrangement position, arrangement number, and the like of the filament.
In the exemplary embodiment of the present invention, the width, length, area, color, material, shape, implementation, arrangement position, arrangement number, and the like of the color patch are not limited.
In exemplary embodiments of the present invention, the features may all be phosphors; alternatively, the features may all be non-phosphor; alternatively, some of the features may be phosphor and another non-phosphor.
In an exemplary embodiment of the present invention, at least a portion of the features may be provided as phosphors, i.e., the multilayer color change body may enable the features provided as phosphors to be displayed when illuminated with light.
In an exemplary embodiment of the present invention, the one or more features may be a color-changeable feature, and the color-changing condition may also be the aforementioned preset condition.
An embodiment of the present application further provides a method for generating a multilayer color-changing body, as shown in fig. 2, where the multilayer color-changing body may be any one of the multilayer color-changing bodies described above, and the method may include steps S101 to S102:
s101, providing a substrate;
s102, overlapping and arranging a plurality of color layers on the substrate according to a preset sequence; wherein at least one of the plurality of color layers is a variable color layer; the color of the color-variable layer changes under a preset condition; at least two adjacent color layers in the plurality of color layers have different colors.
In an exemplary embodiment of the present application, any embodiment of the foregoing multi-layer color change body embodiment is applicable to the generation method embodiment, and details are not repeated here.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.

Claims (10)

1. A multi-layered color change body, comprising: the color filter comprises a substrate and a plurality of color layers which are arranged on the substrate and are mutually overlapped; at least one color layer in the plurality of color layers is a variable color layer;
wherein the color of the color-changeable layer changes under a preset condition;
the preset conditions include any one or more of the following conditions: time conditions, light conditions, temperature conditions, ph conditions, and humidity conditions.
2. Multilayer colour change body according to claim 1,
when the preset condition is a time condition, the color of the variable color layer changes after a preset time length is reserved;
when the preset condition is an illumination condition, the color of the variable color layer is changed after the preset illumination time is kept and/or after the light irradiating the variable color layer reaches the preset illumination intensity;
when the preset condition is a temperature condition, the color of the color-variable layer correspondingly changes along with the temperature change of the environment;
when the preset condition is a pH value condition, the color of the color-variable layer correspondingly changes along with the pH value change of the environment;
when the preset condition is a humidity condition, the color of the color-variable layer changes correspondingly along with the humidity change of the environment.
3. The multi-layered color change of claim 1 wherein the changing of the color of the variable color layer comprises: to a transparent color or from a first color to a second color.
4. The multi-layered color change body according to any one of claims 1 to 3, wherein a first separator is disposed between any adjacent two of the plurality of color layers; and/or the presence of a gas in the gas,
and a second isolating film is arranged on the topmost color layer of the plurality of color layers.
5. The multi-color change body according to claim 4, wherein the colors of the first and second barrier films are colors other than the colors contained in the multi-color layer.
6. The multi-layered color change of claim 4, wherein the first and second barrier films are colorless transparencies.
7. The multi-layered color-changing body according to claim 4, wherein the substrate, the first barrier film and the second barrier film are made of different materials, or at least any two of them are made of the same material.
8. The multi-layer color change of claim 4, wherein the substrate, the first barrier film, and the second barrier film comprise any one or more of: paper, wood chips, metal sheets, plastic sheets, synthetic material sheets and solid coatings;
wherein the paper comprises: tissue paper, copy paper and kraft paper.
9. The multi-layered color change of any of claims 1-3 wherein one or more features are provided in the plurality of color layers.
10. A method for producing a multilayer color-changing body, wherein the multilayer color-changing body is the multilayer color-changing body according to any one of claims 1 to 9, the method comprising:
providing a substrate;
superposing a plurality of color layers on the substrate according to a preset sequence; wherein at least one of the plurality of color layers is a variable color layer; the color of the color-variable layer changes under a preset condition; at least two adjacent color layers in the plurality of color layers have different colors.
CN202010323496.1A 2020-04-22 2020-04-22 Multilayer color change body and method for producing same Pending CN111546817A (en)

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PCT/CN2021/083069 WO2021213131A1 (en) 2020-04-22 2021-03-25 Multi-layer color-varying body and generation method therefor

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021213131A1 (en) * 2020-04-22 2021-10-28 Li Feng Multi-layer color-varying body and generation method therefor

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