CN215526312U - Multifunctional color-changing back cover - Google Patents
Multifunctional color-changing back cover Download PDFInfo
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- CN215526312U CN215526312U CN202121899591.2U CN202121899591U CN215526312U CN 215526312 U CN215526312 U CN 215526312U CN 202121899591 U CN202121899591 U CN 202121899591U CN 215526312 U CN215526312 U CN 215526312U
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Abstract
The utility model provides a multifunctional color-changing back cover which comprises a bearing substrate, a first transparent conducting layer, a patterning layer, a light-transmitting substrate, a second transparent conducting layer and a light-emitting material. The first transparent conductive layer is disposed on the carrier substrate. The patterning layer is arranged on the first transparent conductive layer, and a patterning shape is formed on the first transparent conductive layer and surrounds an inner space and an outer space. The second transparent conducting layer is arranged on the light-transmitting substrate, and the second transparent conducting layer and the light-transmitting substrate cover the patterning layer, so that the inner space and the outer space form a closed space respectively. The light-emitting material is arranged in the inner space, and the first transparent conducting layer and the second transparent conducting layer are excited by the power supply, so that light generated by the light-emitting material is emitted towards the light-transmitting substrate, and a colored patterned shape is formed on the surface of the light-transmitting substrate.
Description
Technical Field
The present invention relates to a color-changing back cover, and more particularly, to a multifunctional color-changing back cover.
Background
Please refer to fig. 6, which is a cross-sectional view of a conventional color-changing back cover. The structure of the conventional color-changing back cover 3 has seven layers, including a first substrate 31, a first transparent conductive layer 32, an ion storage layer 33, an electrolyte layer 34, an electrochromic layer 35, a second transparent conductive layer 36 and a second substrate 37. The conventional light-emitting principle of the color-changing back cover 3 is that an external voltage is applied to the first transparent conductive layer 32 and the second transparent conductive layer 36, so that an electric field is generated between the two transparent conductive layers, and an oxidation-reduction reaction occurs under the action of the electric field, so that the material of the electrochromic layer 35 changes color. The electrochromic layer 35 is a main color-changing layer of the electrochromic device, and electrons provided by the first transparent conductive layer 32 and the second transparent conductive layer 36 and ions inside the ion storage layer 33 and the electrolyte layer 34 undergo oxidation-reduction reaction, so that the material structure of the electrochromic layer 35 changes to change the color.
As mentioned above, the material used in the electrochromic layer 35 is an inorganic color-changing material, and the inorganic color-changing material is a single color in the change of the luminescent color, and cannot generate color change and cycle, so that the color-changing back cover is too monotonous in the change of the color and cannot change the color comprehensively.
Furthermore, the inorganic color-changing material is used to emit light globally in the selection of the light-emitting region, and it cannot change the color of a single specific region, i.e., it cannot form a patterned shape of specific light emission.
In addition, in the light emitting principle of the above-mentioned conventional color-changing back cover 3, a driving voltage as high as about 5 to 15 volts is also required to change the color of the material of the electrochromic layer 35, resulting in poor optical performance, slow response speed, non-uniform color change, and a color change response time of more than 200 milliseconds.
Furthermore, the conventional color-changing back cover 3 has a structure with up to seven layers in the number of structural layers, and the structure thereof must be completed by means of film plating in the process steps, so that the cost of the film plating process is high, and the complicated film plating process consumes more process time and steps.
Therefore, how to provide a multifunctional color-changing back cover has become an urgent issue to be researched.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention discloses a multifunctional color-changing back cover, which includes a carrier substrate, a first transparent conductive layer, a patterned layer, a transparent substrate, a second transparent conductive layer and a light-emitting material. The first transparent conductive layer is disposed on the carrier substrate. The patterning layer is arranged on the first transparent conductive layer, at least one patterning shape is formed on the first transparent conductive layer, and the at least one patterning shape surrounds at least one inner space and at least one outer space. The second transparent conductive layer covers the patterned layer, so that at least one internal space and at least one external space respectively form at least one closed space. The light-transmitting substrate is arranged on the second transparent conductive layer. The at least one light-emitting material is respectively arranged in the at least one inner space. The first transparent conductive layer and the second transparent conductive layer are electrically connected with a power supply to excite the at least one luminescent material to generate light with at least one color to be emitted towards the transparent substrate, so that the surface of the transparent substrate forms at least one patterned shape with at least one color.
As a specific embodiment of the multifunctional color-changing back cover of the present invention, the multifunctional color-changing back cover further includes a filling material disposed in the at least one external space between the first transparent conductive layer and the second transparent conductive layer.
As a specific embodiment of the above multifunctional color-changing back cover of the present invention, the filling material is an optical adhesive.
As a specific embodiment of the above multifunctional color-changing back cover of the present invention, the luminescent material is an organic color-changing material.
In an embodiment of the multifunctional color-changing back cover of the present invention, the patterned layer is an insulating layer.
As a specific embodiment of the multifunctional color-changing back cover of the present invention, the multifunctional color-changing back cover further includes an encapsulation layer covering the periphery of the at least one closed space of the patterned layer.
As a specific embodiment of the above multifunctional color-changing back cover of the present invention, the luminescent material is a quantum dot color-changing material.
The utility model also discloses a multifunctional color-changing back cover, which comprises: the light-emitting device comprises a bearing substrate, a first transparent conducting layer, a patterning layer, a light-transmitting substrate, a second transparent conducting layer and a light-emitting material. The first transparent conductive layer is disposed on the carrier substrate. The patterning layer is arranged on the first transparent conductive layer, at least one patterning shape is formed on the first transparent conductive layer, and the at least one patterning shape surrounds at least one inner space and at least one outer space. The second transparent conductive layer covers the patterned layer, so that at least one internal space and at least one external space respectively form at least one closed space. The light-transmitting substrate is arranged on the second transparent conductive layer. The at least one light-emitting material is respectively arranged in the at least one external space. The first transparent conductive layer and the second transparent conductive layer are electrically connected with a power supply to excite the at least one luminescent material to generate light with at least one color to be emitted towards the transparent substrate, so that the surface of the transparent substrate forms at least one patterned shape with at least one color.
As a specific embodiment of the above multifunctional color-changing back cover, the multifunctional color-changing back cover further comprises a filling material disposed in the at least one inner space.
As a specific embodiment of the above multifunctional color-changing back cover of the present invention, the filling material is an optical adhesive.
As a specific embodiment of the above multifunctional color-changing back cover of the present invention, the luminescent material is an organic color-changing material.
In an embodiment of the multifunctional color-changing back cover of the present invention, the patterned layer is an insulating layer.
As a specific embodiment of the multifunctional color-changing back cover of the present invention, the multifunctional color-changing back cover further includes an encapsulation layer covering the periphery of the patterned layer.
As a specific embodiment of the above multifunctional color-changing back cover of the present invention, the luminescent material is a quantum dot color-changing material.
The utility model also discloses a multifunctional color-changing back cover, which comprises: the light-emitting device comprises a first light-transmitting substrate, a patterned layer, a second light-transmitting substrate, an encapsulation layer, a light-emitting material and a light source. The patterning layer is arranged on the first light-transmitting substrate, and at least one patterning shape is formed on the first light-transmitting substrate and surrounds at least one inner space and at least one outer space. The second light-transmitting substrate covers the patterned layer, so that at least one closed space is formed in each of the at least one inner space and the at least one outer space. The packaging layer is arranged on an outer surface of the patterning layer. The at least one light-emitting material is respectively arranged in the at least one inner space. The at least one light source is arranged below the first light-transmitting substrate. The at least one light-emitting material is excited by the at least one light source to generate light with at least one color, and the light is emitted towards the second light-transmitting substrate, so that at least one patterned shape with at least one color is formed on one surface of the second light-transmitting substrate.
In an embodiment of the multifunctional color-changing back cover of the present invention, the patterned layer is an insulating layer.
As a specific embodiment of the above multifunctional color-changing back cover of the present invention, the luminescent material is a quantum dot color-changing material.
As a specific embodiment of the above multifunctional color-changing back cover, the multifunctional color-changing back cover further includes a filling layer disposed in the at least one external space of an outer surface of the encapsulation layer.
As a specific embodiment of the above multifunctional color-changing back cover of the present invention, the filling layer is an optical adhesive.
In summary, the multifunctional color-changing back cover provided by the utility model forms a simple structure by simplifying the process steps, so that the whole structure has few layers, light weight, small thickness, few process coating films, low manufacturing cost, high reaction rate, fast coloring and decoloring (fast color changing), high optical property, easy identification of light emission at night, low color-changing driving voltage and high power-saving efficiency. In addition, the multifunctional color-changing back cover provided by the utility model utilizes the luminescent materials of the organic color-changing material and the quantum dot color-changing material to generate light rays with various color changes, and is matched with the change of the patterned shape, so that the multifunctional color-changing back cover provided by the utility model can generate patterns with rich and bright color changes on the surface of the back cover.
Drawings
Fig. 1A and 1B are a cross-sectional view and a patterned shape of the multifunctional color-changing back cover according to the present invention, respectively;
FIG. 2A and FIG. 2B are a cross-sectional view and a patterned shape of the multifunctional color-changing back cover according to another embodiment of the present invention;
FIG. 3A, FIG. 3B and FIG. 3C are a first cross-sectional view, a second cross-sectional view and a patterned shape of the multifunctional color-changing back cover according to another embodiment of the present invention;
FIGS. 4A and 4B are cross-sectional views of another embodiment of the multifunctional color-changing back cover of the present invention;
FIGS. 5A-5E are process flow diagrams for the multifunctional color-changing back cover of the present invention shown in FIGS. 3A and 3B; and
FIG. 6 is a cross-sectional view of a conventional color-changing back cover.
Detailed Description
The following detailed description of the embodiments and the advantages of the present invention will be made through the following embodiments and the accompanying drawings, which are provided to help the reader to better understand the essence and the features of the present invention, and are not intended to limit the implementable scope of the present invention.
Please refer to fig. 1A and fig. 1B, which are a cross-sectional view and a patterned shape of the multifunctional color-changing back cover of the present invention. In this embodiment, the multifunctional color-changing back cover 1 utilizes a power source to stimulate light, and includes a carrier substrate 11, a first transparent conductive layer 12, a patterned layer 13, a second transparent conductive layer 14, a transparent substrate 15 and at least one light-emitting material 16. The first transparent conductive layer 12 is disposed on a surface of the carrier substrate 11. The patterned layer 13 is disposed on the surface of the first transparent conductive layer 12, and at least one patterned shape 131 is formed on the surface of the first transparent conductive layer 12, and the at least one patterned shape 131 surrounds at least one inner space 131A and at least one outer space 131B. The second transparent conductive layer 14 has an upper surface and a lower surface, the upper surface is disposed on the transparent substrate 15, and the lower surface covers the patterned layer 13, so that at least one inner space 131A and at least one outer space 131B form a closed space respectively. In this embodiment, at least one light emitting material 16 is disposed in the enclosed space of the at least one internal space 131B and electrically connected to the positive and negative electrodes of a power source through the first transparent conductive layer 12 and the second transparent conductive layer 14 to excite the at least one light emitting material 16 to generate light with at least one color, and the light is emitted toward the transparent substrate 15, so that the surface of the transparent substrate 15 forms at least one patterned shape 131A with at least one color.
In order to increase the light emitting effect, in an embodiment of the utility model, the first transparent conductive layer 12 is a light reflecting material to increase the light emitting amount of the light. The light reflecting material is, for example, silver, aluminum, molybdenum or chromium, but is not limited thereto.
The patterned layer 13 is an encapsulation layer, and covers a portion of the first transparent conductive layer 12 and the second transparent conductive layer 14. In an embodiment of the present invention, the encapsulation layer is a sealant, and the sealant is used to cover and adhere a portion of the upper surface of the first transparent conductive layer 12 and the lower surface of the second transparent conductive layer 14. In another embodiment of the present invention, the encapsulation layer further encapsulates and adheres a portion of the upper surface of the carrier substrate 11 and the lower surface of the transparent substrate 15. In another embodiment of the present invention, the encapsulation layer may cover only a portion of the surface and the side surface of the carrier substrate 11 and the transparent substrate 15, or cover the entire surface and the side surface, which is not limited in the present invention.
In an embodiment of the present invention, the light emitting material 16 is an organic color-changing material. The organic color-changing material is a high molecular polymer. The high molecular polymer is the high molecular polymer of an acrylic monomer. The high molecular polymer is polyaniline, polypyrrole, polythiophene and derivatives thereof, viologen, tetrathiafulvalene or metal phthalocyanine compounds.
Please refer to fig. 2A and 2B, which are a cross-sectional view and a patterned shape of another embodiment of the multifunctional color-changing back cover of the present invention. In this embodiment, the multifunctional color-changing back cover 1 utilizes a power source to stimulate light, and includes a carrier substrate 11, a first transparent conductive layer 12, a patterned layer 13, a second transparent conductive layer 14, a transparent substrate 15 and at least one light-emitting material 16. The first transparent conductive layer 12 is disposed on the carrier substrate 11. The patterned layer 13 is disposed on the first transparent conductive layer 12, and at least one patterned shape 131 is formed on the surface of the first transparent conductive layer 12, and the at least one patterned shape 131 surrounds at least one inner space 131A and at least one outer space 131B. The second transparent conductive layer 14 has an upper surface and a lower surface, the upper surface is disposed on the transparent substrate 15, and the lower surface covers the patterned layer 13, so that at least one inner space 131A and at least one outer space 131B form at least one enclosed space respectively. In the present embodiment, at least one light emitting material 16 is disposed in the enclosed space of the at least one external space 131B, and is electrically connected to the positive and negative electrodes of a power source through the first transparent conductive layer 12 and the second transparent conductive layer 14, so as to excite the at least one light emitting material 16 to generate light with at least one color, and the light is emitted toward the transparent substrate 15, so that at least one patterned shape 131 with at least one color is correspondingly formed on the surface of the transparent substrate 15.
In the embodiment of fig. 1A and 1B, the multifunctional color-changing back cover 1 is formed by disposing the light-emitting material 16 in the enclosed space of at least one inner space 131A formed by the patterned layer 13, the first transparent conductive layer 12 and the second transparent conductive layer 14. In the embodiment of fig. 2A and 2B, the light emitting material 16 may also be disposed in the at least one outer space 131B. In other words, in the embodiment of fig. 1A and 1B, the patterned shape 131 formed by the multifunctional color-changing back cover 1 is a shape of a flower, and light is emitted from a region of a closed space inside the flower, so that only the region of the closed space of the flower on the surface of the light-transmitting substrate 15 of the multifunctional color-changing back cover 1 emits light. In the embodiment of fig. 2A and 2B, the patterned shape of the multifunctional color-changing back cover 1 is also the shape of a flower, but light is emitted from the external space region outside the flower, so that the light-transmitting substrate 15 of the multifunctional color-changing back cover 1 emits light in the region outside the flower.
In view of the above, in order to increase the light emitting effect, in this embodiment, the first transparent conductive layer 12 is a light reflecting material to increase the light emitting amount of the light. The light reflecting material is, for example, silver, aluminum, molybdenum or chromium, but is not limited thereto.
In contrast to the embodiment shown in fig. 1A and 1B, the multifunctional color-changing back cover 1 is formed by disposing a filling material in the external space to support the second transparent conductive layer 14 and the transparent substrate 15, and in the embodiment shown in fig. 2A and 2B, the multifunctional color-changing back cover 1 is formed by disposing a filling material in the internal space to support the second transparent conductive layer 14 and the transparent substrate 15. In an embodiment of the utility model, the filling material is an optical adhesive.
The patterned layer 13 is an encapsulation layer, and covers a portion of the first transparent conductive layer 12 and the second transparent conductive layer 14. In an embodiment of the present invention, the encapsulation layer is a sealant, and the sealant is used to cover and adhere a portion of the upper surface of the first transparent conductive layer 12 and the lower surface of the second transparent conductive layer 14. In another embodiment of the present invention, the encapsulation layer further encapsulates and adheres to the surfaces and the side surfaces of the partial carrier substrate 11 and the transparent substrate 15. In another embodiment of the present invention, the encapsulation layer may cover only a portion of the surface and the side surface of the carrier substrate 11 and the transparent substrate 15, or cover the entire surface and the side surface, which is not limited in the present invention.
In an embodiment of the present invention, the light emitting material 16 is an organic color-changing material. The organic color-changing material is a high molecular polymer. The high molecular polymer is the high molecular polymer of an acrylic monomer. The high molecular polymer is polyaniline, polypyrrole, polythiophene and derivatives thereof, viologen, tetrathiafulvalene or metal phthalocyanine compounds.
Please refer to fig. 3A, fig. 3B and fig. 3C, which are a first cross-sectional view, a second cross-sectional view and a patterned shape of a multifunctional color-changing back cover according to another embodiment of the present invention. In this embodiment, the multifunctional color-changing back cover 1 utilizes a power source to stimulate light, and has a structure substantially the same as that of the above embodiment, but the patterned layer 13 is an insulating layer disposed on the first transparent conductive layer 12 and formed with at least one patterned shape 131, and the at least one patterned shape 131 surrounds at least one inner space 131A and at least one outer space 131B. The lower surface of the second transparent conductive layer 14 covers the patterned layer 13, so that at least one inner space 131A and at least one outer space 131B form a closed space respectively.
In this embodiment, the multifunctional color-changing back cover 1 further includes an encapsulation layer 17 covering the periphery of the patterned layer 13, i.e., the periphery of the at least one patterned shape 131.
In this embodiment, the luminescent materials 161, 162, and 163 are quantum dot color-changing materials and are disposed in at least one enclosed space. The quantum dot color-changing material is zinc selenide (ZnSe), zinc sulfide (ZnS), cadmium selenide (CdSe) or indium phosphide (InP), cadmium sulfide (CdS), lead selenide (PbSe), lead sulfide (PbS), gallium arsenide (GaAs), silicon (Si), carbon (C), or gold (Au) with nanoparticles.
In the above embodiments of fig. 1A and 1B and fig. 2A and 2B, the multifunctional color-changing back cover 1 emits light by the organic color-changing material, but since the organic color-changing material can only emit blue light of a single color, in the embodiments of fig. 3A to 3C, various light-emitting materials 161, 162, 163 including quantum dot color-changing materials can be disposed to generate light of various colors. In addition, since the quantum dot color-changing material is a fluid, in the embodiment in which the quantum dot color-changing material is used as the light emitting materials 161, 162, and 163, the insulating layer is used as the patterned layer 13.
In summary, the multifunctional color-changing back cover 1 can generate light with different colors by disposing different quantum dot color-changing materials, the light-emitting wavelength includes ultraviolet light to infrared light, and the light-emitting wavelength can be controlled by the size of the particle size of the same quantum dot color-changing material, so as to further control the color to be emitted. As shown in fig. 3B, when the multifunctional color-changing back cover 1 includes three inner spaces 131A of the patterned shapes 131, by disposing three quantum dot color-changing materials capable of emitting red, blue and green color wavelengths, the red, blue and green color lights can be respectively emitted in the regions of the inner spaces 131A of the three patterned shapes 131, that is, the red, blue and green color lights can be respectively emitted in the regions corresponding to the flower shapes on the surface of the transparent substrate 15.
In addition, in the above embodiments, it is used as an electrochromic effect by applying an external voltage to the transparent conductive layer. Electrochromism (EC) is a phenomenon in which a light emitting material generates light absorption or light scattering under the action of a current or an electric field, thereby causing a color change, which is a phenomenon of reversible change. The electrochromic luminescent material can actively respond to an external electric field to generate stable and reversible optical change, can play a role in sensitively regulating and controlling internal temperature and light intensity, and has the following properties: (1) the electrochemical oxidation-reduction reversibility is good; (2) the response time of the color change is fast; (3) the change in color should be reversible; (4) the color change sensitivity is high; (5) the cycle life is longer; (6) has certain memory function; (7) has better chemical stability.
Furthermore, in the above embodiments, the multifunctional color-changing back cover 1 uses organic color-changing material to emit light, which has several advantages over the prior art that uses inorganic color-changing material to emit light, including: (1) the multifunctional color-changing back cover made of the organic color-changing material can be a winding element; (2) the optical performance is good, the bright state can reach 75 percent, and the dark state can reach 20 percent; (3) can display gray scale; (4) can block infrared light (IR) and ultraviolet light (UV) to more than 95%; (5) the reaction rate is fast, and can be less than 100 milliseconds.
Please refer to fig. 4A and 4B, which are cross-sectional views of another embodiment of the multifunctional color-changing back cover of the present invention. In this embodiment, the multifunctional color-changing back cover 2 utilizes a light source to stimulate light, and includes a first transparent substrate 21, a second transparent substrate 22, a patterned layer 23, an encapsulation layer 24, at least one light-emitting material 25, and at least one light source 26. The patterned layer 23 is disposed on the first transparent substrate 21, and at least one patterned shape is formed on the first transparent substrate 21, wherein the at least one patterned shape surrounds at least one inner space and at least one outer space. The second transparent substrate 22 covers the patterned layer 23, so that at least one inner space and at least one outer space form a closed space respectively. The encapsulation layer 24 is disposed between the first transparent substrate 21 and the second transparent substrate 22. The at least one light emitting material 25 is disposed in the at least one inner space or the at least one outer space to form a sealed space. The at least one light source 26 is disposed below the first transparent substrate 21, and the at least one light-emitting material 25 is excited by the at least one light source 26 to generate light with at least one color, and the light is emitted toward the second transparent substrate 22, so that at least one patterned shape with at least one color is formed on the surface of the second transparent substrate 22.
In the embodiment of fig. 4A, in order to enhance the light output of the light source, the multifunctional color-changing back cover 2 further includes an adhesive layer 27, a light guide plate 28 and a reflective plate 29. The adhesive layer 27 is provided on the surface of the first light-transmitting substrate 21 on the side opposite to the patterned layer 23. The light guide plate 28 is disposed under the adhesive layer 27, and guides the light generated by at least one light source 26 disposed under the adhesive layer 27 and on one side of the light guide plate 28 to be emitted toward the second light-transmitting substrate 22. The reflective plate 29 is disposed under the light guide plate 28, and reflects the light generated by the at least one light source 26 toward the second transparent substrate 22.
In the embodiment of fig. 4B, in order to enhance the light output of the light source, the multifunctional color-changing back cover 2 further comprises an adhesive layer 27, a diffusion plate 20 and a reflection plate 29. The adhesive layer 27 is provided on the surface of the first light-transmitting substrate 21 on the side opposite to the patterned layer 23. The diffusion plate 20 is disposed under the adhesive layer 27, and diffuses the light generated by the at least one light source 26 disposed at one side of the diffusion plate 20 and emits the light toward the second light-transmitting substrate 22. The reflective plate 29 is disposed under the diffusion plate 20 and reflects the light generated by the at least one light source 26 toward the second transparent substrate 22.
In the embodiment of fig. 4A and 4B, the multifunctional color-changing back cover 2 uses a photochromic technology of combining the quantum dot color-changing material with the light guide plate 28 and the diffusion plate 20, and converts the blue light emitted by the blue LED light source into high-saturation green light and red light through the green and red quantum dot color-changing materials by using the light emitting characteristics of the quantum dot color-changing material, and mixes the converted blue light with the green and red quantum dot color-changing materials to obtain various colors such as white light, thereby further displaying various colors with a wide color gamut on the multifunctional color-changing back cover 2. Similarly, except for the color change, the pattern change and design are formed by surrounding at least one patterned shape of the patterned layer 23, and the principle is the same as the above embodiments, and will not be described herein again.
In the embodiment of fig. 4A and 4B, the patterned layer 23 is an insulating layer.
In the embodiment shown in fig. 4A and 4B, the encapsulation layer 24 covers the periphery of the patterned layer 23, i.e., covers the outer surface of the patterned layer 23.
In the embodiment shown in fig. 4A and 4B, the encapsulation layer 24 further encapsulates a portion of the first transparent substrate 21 and the second transparent substrate 22.
In another embodiment shown in fig. 4A and 4B, the multifunctional color-changing back cover 2 further includes a filling layer (not shown) disposed in an outer space outside the sealed space between the first transparent substrate 21 and the second transparent substrate 22. In an embodiment of the utility model, the filling layer is an optical adhesive.
In the embodiment of fig. 4A and 4B, the luminescent material 25 is a quantum dot color-changing material. The quantum dot color-changing material is zinc selenide (ZnSe), zinc sulfide (ZnS), cadmium selenide (CdSe) or indium phosphide (InP), cadmium sulfide (CdS), lead selenide (PbSe), lead sulfide (PbS), gallium arsenide (GaAs), silicon (Si), carbon (C) or gold (Au) with nano-particles.
Please refer to fig. 5A to 5E, which are process flow charts of the multifunctional color-changing back cover of the present invention shown in fig. 3A and 3B. In fig. 5A, the step 1 is to provide a carrier substrate 11, and dispose a first transparent conductive layer 12 on a surface of the carrier substrate 11, and provide a transparent substrate 15, and dispose a second transparent conductive layer 14 on a surface of the transparent substrate 15. In fig. 5B, the step 2 is to form a patterned layer 13 on the first transparent conductive layer 12 by using, for example, screen printing or exposure and development techniques, and at least one patterned shape 131 is formed by the patterned layer 13, wherein the at least one patterned shape 131 surrounds at least one inner space 131A and at least one outer space 131B. In fig. 5C, the 3 rd step is to dispose the light emitting material 16 in at least one of the inner spaces 131A by a method including spraying or transferring. In fig. 5D, in the 4 th step, the transparent substrate 15 and the second transparent conductive layer 14 provided in the 1 st step are covered on the surface of the patterned layer 13 by the surface of the second transparent conductive layer 14, so that the at least one inner space 131A forms a closed space. In fig. 5E, the step 5 is to encapsulate the above structure by the encapsulation layer 17 to form the structure of the multifunctional color-changing back cover 1. It should be noted that, in this embodiment, only one of the inner spaces 131A is drawn in a cross-sectional view, and after the outer space 131B surrounds the inner space 131A to form the patterned layer 13 and the encapsulation layer 17, the position of the light emitting material 16 can be set in the inner space 131A or the outer space 131B according to the requirement of the user, as described in the above embodiments.
In summary, the multifunctional color-changing back cover provided by the utility model has the advantages that the simple structure is formed by simplifying the process steps, so that the overall structure has fewer layers, light weight, small thickness, fewer process coating films (only luminous materials need to be injected), low manufacturing cost, high reaction rate, quick coloring and decoloring (quick color changing), high optical property, easy identification of luminous at night, low color-changing driving voltage and high power saving efficiency. In addition, the multifunctional color-changing back cover provided by the utility model utilizes the luminescent materials of the organic color-changing material and the quantum dot color-changing material to generate light rays with various color changes, the color saturation is high, and the change of the patterned shape is matched, so that the multifunctional color-changing back cover can generate patterns with rich bright colors and extremely wide color gamut change on the surface of the back cover, and can be further applied to full-color display technology.
The above description is only exemplary of the utility model and should not be taken as limiting the scope of the utility model, so that the utility model is intended to cover all modifications and equivalents of the embodiments, which may be included within the spirit and scope of the utility model.
Claims (19)
1. The utility model provides a multi-functional back of body lid that discolours which characterized in that, multi-functional back of body lid that discolours contains:
a carrier substrate;
a first transparent conductive layer disposed on the carrier substrate;
the patterning layer is arranged on the first transparent conductive layer, at least one patterning shape is formed on the first transparent conductive layer, and the at least one patterning shape surrounds at least one inner space and at least one outer space;
a second transparent conductive layer covering the patterned layer to form at least one enclosed space in the at least one internal space and the at least one external space;
a transparent substrate disposed on the second transparent conductive layer; and
at least one luminescent material respectively arranged in the at least one inner space;
the first transparent conductive layer and the second transparent conductive layer are electrically connected with a power supply to excite the at least one luminescent material to generate light with at least one color to be emitted towards the light-transmitting substrate, so that the at least one patterned shape with the at least one color is formed on one surface of the light-transmitting substrate.
2. The multifunctional color-changing back cover according to claim 1, further comprising a filling material disposed in the at least one outer space between the first transparent conductive layer and the second transparent conductive layer.
3. The multifunctional color-changing back cover as claimed in claim 2, wherein the filling material is an optical adhesive.
4. The multifunctional color-changing back cover as claimed in claim 1, wherein the light-emitting material is an organic color-changing material.
5. The multifunctional color-changing back cover according to claim 1, wherein said patterned layer is an insulating layer.
6. The multifunctional color-changing back cover according to claim 5, further comprising an encapsulation layer covering the periphery of at least one enclosed space of the patterned layer.
7. The multifunctional color-changing back cover as claimed in claim 6, wherein the luminescent material is a quantum dot color-changing material.
8. The utility model provides a multi-functional back of body lid that discolours which characterized in that, multi-functional back of body lid that discolours contains:
a carrier substrate;
a first transparent conductive layer disposed on the carrier substrate;
the patterning layer is arranged on the first transparent conductive layer, at least one patterning shape is formed on the first transparent conductive layer, and the at least one patterning shape surrounds at least one inner space and at least one outer space;
a second transparent conductive layer covering the patterned layer to form at least one enclosed space in the at least one internal space and the at least one external space;
a transparent substrate disposed on the second transparent conductive layer; and
at least one luminescent material arranged in the at least one external space;
the first transparent conductive layer and the second transparent conductive layer are electrically connected with a power supply to excite the at least one luminescent material to generate light with at least one color to be emitted towards the light-transmitting substrate, so that the at least one patterned shape with the at least one color is formed on one surface of the light-transmitting substrate.
9. The multifunctional color-changing back cover according to claim 8, further comprising a filling material disposed in the at least one inner space.
10. The multifunctional color-changing back cover as claimed in claim 9, wherein the filling material is an optical glue.
11. The multifunctional color-changing back cover as claimed in claim 8, wherein the light-emitting material is an organic color-changing material.
12. The multifunctional color-changing back cover according to claim 8, wherein said patterned layer is an insulating layer.
13. The multifunctional color-changing back cover according to claim 12, further comprising an encapsulation layer covering the periphery of the at least one enclosed space of the patterned layer.
14. The multifunctional color-changing back cover as claimed in claim 13, wherein the luminescent material is a quantum dot color-changing material.
15. The utility model provides a multi-functional back of body lid that discolours which characterized in that, multi-functional back of body lid that discolours contains:
a first light-transmitting substrate;
the patterning layer is arranged on the first light-transmitting substrate, at least one patterning shape is formed on the first light-transmitting substrate respectively, and at least one inner space and at least one outer space are surrounded by the at least one patterning shape;
a second transparent substrate covering the patterned layer to form at least one enclosed space in the at least one internal space and the at least one external space;
the packaging layer is arranged on the outer surface of the patterning layer;
at least one luminescent material respectively arranged in the at least one inner space; and
at least one light source arranged below the first light-transmitting substrate;
wherein the at least one light-emitting material is excited by the at least one light source to generate a light beam with at least one color, and the light beam is emitted towards the second transparent substrate, so that the at least one patterned shape with the at least one color is formed on one surface of the second transparent substrate.
16. The multifunctional color-changing back cover according to claim 15, wherein said patterned layer is an insulating layer.
17. The multifunctional color-changing back cover as claimed in claim 15, wherein the luminescent material is a quantum dot color-changing material.
18. The multifunctional color-changing back cover according to any one of claims 15-17, further comprising a filling layer disposed in the at least one external space of an outer surface of the encapsulation layer.
19. The multifunctional color-changing back cover as claimed in claim 18, wherein the filling layer is an optical adhesive.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202163141481P | 2021-01-26 | 2021-01-26 | |
| US63/141,481 | 2021-01-26 |
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| Publication Number | Publication Date |
|---|---|
| CN215526312U true CN215526312U (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121899591.2U Active CN215526312U (en) | 2021-01-26 | 2021-08-13 | Multifunctional color-changing back cover |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN215526312U (en) |
| TW (1) | TWM622847U (en) |
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2021
- 2021-08-13 TW TW110209582U patent/TWM622847U/en unknown
- 2021-08-13 CN CN202121899591.2U patent/CN215526312U/en active Active
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| Publication number | Publication date |
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| TWM622847U (en) | 2022-02-01 |
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