CN112920732B

CN112920732B - Electroluminescent quantum color-changing film

Info

Publication number: CN112920732B
Application number: CN202110366050.1A
Authority: CN
Inventors: 刘文亮; 谢建新
Original assignee: Hengshan County Jiacheng New Material Co ltd
Current assignee: Hengshan County Jiacheng New Material Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2023-03-28
Anticipated expiration: 2041-04-06
Also published as: CN112920732A

Abstract

The utility model provides an electroluminescence quantum color-changing membrane, relates to color-changing membrane technical field, and it includes substrate layer, lower substrate layer and sets up the automatically controlled luminescent layer between the two, automatically controlled luminescent layer is including coating at the first conducting layer of last substrate layer lower surface and the second conducting layer of coating at substrate layer upper surface down, the lower surface coating of first conducting layer has the dielectric layer, the coating has electroluminescent layer between dielectric layer and the second conducting layer, first conducting layer is connected with the positive electrode, the second conducting layer is connected with the negative electrode, the positive electrode is connected to the power with the negative electrode, the upper surface of going up the substrate layer has one deck PET to cover through the adhesive layer and has a type membrane, the lower surface coating of substrate layer has photochromic layer down, the lower surface coating on photochromic layer has the one deck protection film. The invention can improve the color-changing diversification effect.

Description

Electroluminescent quantum color-changing film

Technical Field

The invention relates to the technical field, in particular to an electroluminescence quantum color-changing film.

Background

The electrochromic film can excite color change under the action of an electric field, and has been applied to various fields at present, such as vehicle decoration, window films, advertisement design, luminous Logo and the like, and the electrochromic film has good application effect. The prior electroluminescent color-changing film is generally provided with a luminous layer between two electrode layers, the luminous layer is luminous ink (mainly a luminous body of zinc sulfide doped with fluorescent coloring agents such as Cu or Mg and the like) printed on the electrode layers with patterns, and the structure of the luminous layer is limited after the luminous layer is printed on the electrode layers, so that the whole color is unchanged during the luminous process, and the whole color is inevitably monotonous after the luminous layer is used for a long time, which causes the prior electroluminescent color-changing film to be difficult to meet the requirement of diversified color changing.

Disclosure of Invention

The invention aims to provide an electroluminescent quantum color-changing film to improve the color-changing diversification effect.

In order to solve the technical problem, the invention adopts the following technical scheme: the utility model provides an electroluminescence quantum color-changing membrane, includes substrate layer, lower substrate layer and sets up the automatically controlled luminescent layer between the two, automatically controlled luminescent layer is including coating the first conducting layer of last substrate layer lower surface and coating the second conducting layer at substrate layer upper surface down, the lower surface coating of first conducting layer has the dielectric layer, the coating has electroluminescent layer between dielectric layer and the second conducting layer, first conducting layer is connected with the positive electrode, the second conducting layer is connected with the negative electrode, positive electrode and negative electrode are connected to the power, the upper surface of going up the substrate layer has one deck PET to leave type membrane through the adhesive layer coating, the lower surface coating of substrate layer has photochromic layer down, the lower surface coating of photochromic layer has the one deck protection film.

Furthermore, the electroluminescent layer is a film formed by mixing zinc sulfide metal hybrid with acrylic resin or organic polymer and then curing, the curing mode is UV light curing or EB light curing or thermocuring, and green quantum dots or red-green mixed quantum dots are also added into the electroluminescent layer.

Preferably, the photochromic layer is formed by curing a self-repairing liquid or a hardening liquid coating added with a photochromic material, and the curing mode is one of UV curing, EB curing and thermocuring or simultaneously UV curing and thermocuring.

More preferably, the dielectric layer is made of an insulating material.

More preferably, an ultraviolet absorber and an infrared absorber are added to the adhesive layer.

More preferably, the upper substrate layer and the lower substrate layer have the same structure and are both PET substrates or TPU substrates.

More preferably, the upper and lower base materials are each made of a PVC-based film or an acrylic resin-based film.

More preferably, the first conductive layer is a transparent conductive material layer made of nano silver, ITO or PDOT; or the first conducting layer is a non-transparent conducting material layer made of copper foil, silver foil or aluminum foil.

More preferably, the second conductive layer is a transparent conductive material layer made of nano silver, ITO or PDOT.

The invention has the beneficial effects that: the first conducting layer and the second conducting layer are respectively connected with the current, so that an electric field is generated between the first conducting layer and the second conducting layer, the electroluminescent layer is enabled to emit light, the light source generated after the electroluminescent layer emits light can further excite the photochromic layer to change color, the light-emitting brightness of the electroluminescent layer can be controlled by controlling the current, the purpose of exciting the photochromic layer to change different colors is achieved, the color change of the color-changing film is more diversified, and the practicability and the market prospect are higher compared with the existing electrochromic film with unchanged color.

Drawings

Fig. 1 is a schematic overall structure diagram in the embodiment of the present invention.

The reference signs are:

1-upper base material layer 2-lower base material layer 3-first conductive layer

3 a-positive electrode 4-second conductive layer 4 a-negative electrode

5-dielectric layer 6-electroluminescent layer 7-power supply

8-adhesive layer 9-PET Release film 10-photochromic layer

11-protective film.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

It should be noted in advance that in the present disclosure, unless explicitly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus, are not to be construed as limiting the invention.

As shown in fig. 1, an electroluminescent quantum color-changing film comprises an upper substrate layer 1, a lower substrate layer 2 and an electronic control luminescent layer arranged between the upper substrate layer 1 and the lower substrate layer 2, wherein the electronic control luminescent layer comprises a first conductive layer 3 coated on the lower surface of the upper substrate layer 1 and a second conductive layer 4 coated on the upper surface of the lower substrate layer 2, a dielectric layer 5 is coated on the lower surface of the first conductive layer 3, an electroluminescent layer 6 is coated between the dielectric layer 5 and the second conductive layer 4, the first conductive layer 3 is connected with a positive electrode 3a, the second conductive layer 4 is connected with a negative electrode 3b, the positive electrode 3a and the negative electrode 3b are connected to a power supply 7, a release PET film 9 is coated on the upper surface of the upper substrate layer 1 through an adhesive layer 8, a photochromic layer 10 is coated on the lower surface of the lower substrate layer 2, and a protective film 11 is coated on the lower surface of the photochromic layer 10.

The electrochromic film with an electroluminescent quantum provided by the above embodiment may be obtained by peeling off the PET release film 9 and attaching the surface of the film with the adhesive layer 8 to a structure such as a car body or a window. The power supply 7 can be connected to the controller, the first conducting layer 3 and the second conducting layer 4 are electrified by controlling the power supply 7, an electric field can be generated between the first conducting layer 3 and the second conducting layer 4, the electroluminescent layer 6 is further promoted to emit light, the light source generated after the electroluminescent layer 6 emits light can further excite the photochromic layer 10 to change color, the light emitting brightness of the electroluminescent layer 6 can be controlled by controlling the current, the purpose of exciting the photochromic layer 10 to change different colors is achieved, the color change of the color-changing film is more diverse, and the color-changing film has more practicability and market prospect compared with the existing electrochromic film with unchanged color.

It should be noted that the controller in the above embodiment may be a commercially available controller, and the control program required by the controller to control the power supply 7 is also easily available to those skilled in the art, and the invention point of the present application is not described herein, so that no further description is provided.

Furthermore, the electroluminescent layer 6 is a film formed by mixing zinc sulfide metal hybrid with acrylic resin or organic polymer and then curing, the curing mode is UV light curing or EB light curing or thermocuring, in addition, green quantum dots or red-green mixed quantum dots can be added into the electroluminescent layer 6, the proportion of the mixed quantum dots can be adjusted according to different colors required by products, and the generated colors are mainly blue, green, red, yellow, orange and the like, so that the electroluminescent quantum color-changing film has richer colors and better aesthetic property.

Preferably, the photochromic layer 10 is formed by curing a self-repairing liquid or a hardening liquid coating added with a photochromic material, wherein the curing mode is one of UV curing, EB curing and thermosetting or simultaneously UV curing and thermosetting, and those skilled in the art should know that the photochromic material is a photochromic material commonly used in the prior art, as long as the photochromic ability can be realized, and the photochromic layer 10 has certain scratch self-repairing, scratch-resistant and stain-resistant functions because of being formed by curing the self-repairing liquid or the hardening liquid coating.

More preferably, the dielectric layer 5 is made of an insulating material.

Furthermore, an ultraviolet absorber and an infrared absorber can be added into the adhesive layer 8, so that when the adhesive is used for decorating vehicle windows and building windows, the incidence of ultraviolet rays can be reduced to a great extent, and a certain heat insulation effect can be achieved.

In this embodiment, the upper substrate layer 1 and the lower substrate layer 2 have the same structure and are both PET substrates or TPU substrates, and further, the upper substrate layer 1 and the lower substrate layer 2 are both made of PVC base films or acrylic resin base films.

In addition, the first conductive layer 3 is a transparent conductive material layer made of nano silver, ITO or PDOT; or the first conductive layer 3 is a non-transparent conductive material layer made of copper foil, silver foil or aluminum foil. The second conductive layer 4 is a transparent conductive material layer made of nano silver, ITO or PDOT.

The above embodiments are preferred implementations of the present invention, and besides, the present invention can be implemented in other ways, and any obvious substitutions without departing from the concept of the present invention are within the protection scope of the present invention.

Some of the figures and descriptions of the present invention have been simplified to provide a convenient understanding of the modifications of the invention relative to the prior art, and to omit elements for clarity, as those skilled in the art will recognize may also constitute the subject matter of the present invention.

Claims

1. An electroluminescence quantum color-changing film, includes upper substrate layer (1), lower substrate layer (2) and sets up the automatically controlled luminescent layer between the two, its characterized in that: the electronic control light emitting layer comprises a first conducting layer (3) coated on the lower surface of an upper base material layer (1) and a second conducting layer (4) coated on the upper surface of a lower base material layer (2), a dielectric layer (5) is coated on the lower surface of the first conducting layer (3), an electroluminescent layer (6) is coated between the dielectric layer (5) and the second conducting layer (4), the first conducting layer (3) is connected with a positive electrode (3 a), the second conducting layer (4) is connected with a negative electrode (3 b), the positive electrode (3 a) and the negative electrode (3 b) are connected to a power supply (7), the upper surface of the upper base material layer (1) is coated with a PET release film (9) through an adhesive layer (8), the lower surface of the lower base material layer (2) is coated with a photochromic layer (10), the lower surface of the photochromic layer (10) is coated with a protective film (11), the electroluminescent layer (6) is a quantum dot or red-green dot mixed quantum dot added in the light emitting layer (6).

2. An electroluminescent quantum color change film according to claim 1, wherein: the photochromic layer (10) is formed by curing self-repairing liquid or hardening liquid paint added with photochromic materials, and the curing mode is one of UV curing, EB curing and thermocuring or simultaneously UV curing and thermocuring.

3. The electrochromic film according to claim 1, wherein: the dielectric layer (5) is made of an insulating material.

4. The electrochromic film according to claim 1, wherein: the adhesive layer (8) is added with an ultraviolet absorbent and an infrared absorbent.

5. An electroluminescent quantum color change film according to claim 1, wherein: the structure of the upper substrate layer (1) is consistent with that of the lower substrate layer (2), and the upper substrate layer and the lower substrate layer are both PET (polyethylene terephthalate) substrates or TPU (thermoplastic polyurethane) substrates.

6. The electrochromic film according to claim 5, wherein: the upper-layer base material (1) and the lower-layer base material (2) are both made of PVC base films or acrylic resin base films.

7. The electrochromic film according to claim 1, wherein: the first conducting layer (3) is a transparent conducting material layer made of nano silver, ITO or PDOT; or the first conducting layer (3) is a non-transparent conducting material layer made of copper foil or silver foil or aluminum foil.

8. An electroluminescent quantum color change film according to claim 7, wherein: the second conducting layer (4) is a transparent conducting material layer made of nano silver, ITO or PDOT.