TWM622678U - Electrochromic electronic device protective case - Google Patents

Abstract

The novel creation relates to the technical field of color-changing devices, and discloses a protective case for electrochromic electronic equipment. The electrochromic device is located on the outer side and the glare film is located inside the electrochromic device, or the electrochromic device is located in the middle, and the two layers of glare films are respectively located in the electrochromic device. Two sides of the color-changing device; when the electrochromic device is in different states, it can be superimposed with the color and texture of the glare film to present different visual effects.

Description

Electrochromic electronic device protective case

The novel creation relates to the technical field of color-changing devices, in particular to a protective case for electrified color-changing electronic equipment.

With the development of society, people's pursuit of beauty continues to increase. In the field of consumer electronics, the replacement of mobile phone protective cases emerges one after another.

There are two discoloration schemes for mobile phone cases in the prior art. The first kind of discoloration function is realized by luminous discoloration, temperature-sensitive discoloration, photochromic and other granular materials. This solution cannot realize active discoloration, but only passive discoloration, and the passive discoloration effect is not good and the market acceptance is poor; the second one The color-changing function is to light up the light guide film by LED to achieve light emission, but the texture pattern of this scheme cannot be changed.

In order to solve the above-mentioned technical problems, the present invention provides an electrified color-changing electronic device protective case.

In order to solve the above-mentioned technical problems, the new creation adopts the following technical solutions:

An electrochromic electronic device protective shell, comprising a shell and a composite color-changing device arranged on the shell; the composite color-changing device comprises an electrochromic device located on the outer side, a second glare film located on the inner side, and a second glare film for bonding the second The first transparent optical adhesive for glare films and electrochromic devices.

Further, the electrochromic device includes a shared thin film substrate located at the innermost side, and the second glare film is directly disposed on the side of the shared thin film substrate away from the electrochromic device; at this time, the electrochromic device and the second glare The films share the base material and can reduce the overall thickness of the device.

Further, the composite color-changing device is replaced with the following structure: the composite color-changing device includes an electrochromic device located on the outside, a second glare film located on the inside, and a water between the electrochromic device and the second glare film. An oxygen barrier film, a first transparent optical glue arranged between the electrochromic device and the water-oxygen barrier film, and a second transparent optical glue arranged between the water-oxygen barrier film and the second glare film; adding a water-oxygen barrier film, It can delay water and oxygen erosion to a certain extent, and effectively increase the life of electrochromic devices.

Further, the composite color-changing device is replaced with the following structure: the composite color-changing device includes a first glare film located on the outside, a second glare film located on the inside, the first glare film and the second glare film. The electrochromic device between the two, the first transparent optical glue disposed between the first glare film and the electrochromic device, and the second transparent optical glue disposed between the second glare film and the electrochromic device.

Further, the composite color-changing device is replaced with the following structure: the composite color-changing device includes a first glare film located on the outside, a second glare film located on the inside, the first glare film and the second glare film. The electrochromic device between the two, the second transparent optical adhesive arranged between the second glare film and the electrochromic device; the outermost side of the electrochromic device is provided with an external shared film substrate, and the first glare film It is arranged on the outer side of the external shared film substrate; at this time, the first glare film shares the substrate with the outer side of the electrochromic device, reducing the thickness of the device.

Further, the composite color-changing device is replaced with the following structure: the composite color-changing device includes a first glare film located on the outside, a second glare film located on the inside, the first glare film and the second glare film. The electrochromic device between the two, the first transparent optical adhesive arranged between the first glare film and the electrochromic device; the innermost part of the electrochromic device is provided with an inner shared film substrate, and the second glare film It is arranged on the inner side of the inner shared film substrate; at this time, the second glare film shares the substrate with the inner side of the electrochromic device, thereby reducing the thickness of the device.

Further, the composite color-changing device is replaced with the following structure: the composite color-changing device includes a first glare film located on the outside, a second glare film located on the inside, the first glare film and the second glare film. The electrochromic device between them; the outermost side of the electrochromic device is provided with an outer shared film substrate, and the innermost side is provided with an inner shared film substrate; the first glare film is arranged on the outer side of the outer shared film substrate, The second glare film is arranged on the inner side of the inner shared film base material; at this time, the first glare film and the outer side of the electrochromic device share the base material, and the second glare film and the inner side of the electrochromic device share the base material, which reduces the device thickness.

Further, the electrochromic device is a PDLC device; the PDLC device comprises the first PDLC film substrate, the first PDLC transparent conductive layer, the polymer dispersed liquid crystal layer, the second PDLC transparent conductive layer, the second PDLC film substrate.

Further, the electrochromic device is an EC device; the EC device includes a first EC film substrate, a first EC transparent conductive layer, an electrochromic layer, an ion conduction layer, an ion storage layer, a second EC thin film substrate, a first EC transparent conductive layer, a second EC transparent conductive layer, second EC film substrate.

Further, it includes a water-oxygen barrier film located between the EC device and the second glare film; the second glare film is arranged inside the water-oxygen barrier film; the second glare film includes a water-oxygen barrier film arranged in the water-oxygen barrier The second texture layer on the inner side of the film, the second coating layer on the inner side of the second texture layer, and the ink layer on the inner side of the second coating layer; EC devices are generally sensitive to water and oxygen, and adding a water-oxygen barrier film can help to some extent. Delay water and oxygen erosion, effectively increase the life of EC devices.

Further, the first glare film includes a first glare film base material, a first texture layer disposed inside the first glare film base material, and a first coating layer disposed inside the first texture layer; the The first coating layer is bonded with the electrochromic device through the first transparent optical glue; the first glare film is located on the outside, does not have an ink layer, and does not share the base material with the electrochromic device at this time.

Further, the first glare film includes a first coating layer and a first texture layer disposed inside the first coating layer; the first texture layer is disposed outside the external common film base material; the first glare film is located outside , does not have an ink layer, and shares the substrate with the electrochromic device at this time.

Further, the second glare film includes a second glare film base material, a second texture layer disposed inside the second glare film base material, a second coating layer disposed inside the second texture layer, and a second texture layer disposed inside the second glare film base material. The ink layer on the inner side of the second coating layer; the second glare film is located on the inner side, has an ink layer, and does not share the substrate with the electrochromic device at this time.

Further, the second glare film includes a second texture layer arranged on the inner side of the shared film base material, a second coating layer arranged on the inner side of the second texture layer, and an ink layer located on the inner side of the second coating layer; the second The glare film is located on the inner side, has an ink layer, and shares the base material with the electrochromic device at this time.

Further, the protective shell is sleeved outside the electronic device.

Compared with the prior art, the beneficial technical effects of the new creation are:

1. The electrochromic device is located outside the second glare film, or between the first glare film and the second glare film; when the electrochromic device is in a different state, it can be superimposed with the color and texture of the glare film, showing Different visual effects can achieve active color change.

2. If the electrochromic device is a PDLC device, and the electrochromic device is located outside the second glare film: when the PDLC device is in the fog state, the PDLC device can partially block the color of the glare film, and completely block the structure light and texture. Reflected light, the observer can see the superposition effect of the foggy PDLC device and the color of the glare film; when the PDLC device is in the transparent state, the color of the glare film behind the PDLC, the structured light and the reflected light of the textured structure are fully reflected, The observer can see the color and texture effect of the glare film;

If the electrochromic device is a PDLC device, and the electrochromic device is located between the first glare film and the second glare film: the outer glare film has no ink, and the whole is in a semi-transparent state; when the PDLC device is in a fog state, the PDLC device It can partially block the color of the inner glare film, and completely block the structured light of the inner glare film and the reflected light of the textured structure. Superposition effect; when the PDLC device is in the transparent state, the superposition effect of the color and texture of the inner glare film and the texture of the outer glare film can be seen.

3. If the electrochromic device is an EC device, and the electrochromic device is located outside the second glare film: when the EC device is in a transparent state, the observer can see the texture and color of the glare film; when the EC device is in a colored state , the observer can see the combined effect of the color and texture of the glare film and the EC device; for example, if the EC device shows a color after coloring, and the transmittance is 5%~20%, what the observer sees is the superposition of this color The glare film pattern of the color; if the transmittance of the EC device is lower than 5%, or even close to 0, the observer may only see the color of the EC device, but cannot see the glare film behind;

If the electrochromic device is an EC device, and the electrochromic device is located between the first glare film and the second glare film: the outer glare film has no ink, and the whole is in a semi-transparent state; when the EC device is in a colored state, the EC The device blocks the image of the back glare film, and the observer can see the front glare film; and when the EC thin film device is in a transparent state, the observer sees the superimposed image of the light emitted by the front and rear glare films.

The preferred embodiments of the novel creation will be described in detail below with reference to the accompanying drawings.

The electronic device protective case in the new creation includes an electronic device protective case with a single glare film and an electronic equipment protective case with a double glare film.

The electrochromic devices in Embodiment 1 and Embodiment 2 of the single glare film are polymer dispersed liquid crystal (Polymer Dispersed Liquid Crystal, PDLC) devices.

Single glare film embodiment 1:

As shown in FIG. 1, the composite color-changing device includes a first PDLC film substrate 131, a first PDLC transparent conductive layer 132, a polymer dispersed liquid crystal layer 133, a second PDLC transparent conductive layer 134, a second PDLC transparent conductive layer 134, a second The PDLC film substrate 135 , the first transparent optical adhesive 121 , the second glare film substrate 141 , the second texture layer 142 , the second coating layer 143 and the ink layer 144 .

The first PDLC film substrate, the first PDLC transparent conductive layer, the polymer dispersed liquid crystal layer, the second PDLC transparent conductive layer, and the second PDLC film substrate constitute the PDLC device 130 .

The second glare film substrate, the second texture layer, the second coating layer and the ink layer constitute the second glare film 140 .

In the first embodiment of the single glare film, the second glare film and the PDLC device do not share a film substrate, and the two are bonded by a transparent optical adhesive.

Single glare film embodiment two:

As shown in FIG. 2 , the composite color-changing device includes a first PDLC film substrate 131, a first PDLC transparent conductive layer 132, a polymer dispersed liquid crystal layer 133, a second PDLC transparent conductive layer 134, a second PDLC transparent conductive layer 134, a second PDLC transparent conductive layer 134 and a second The PDLC film substrate 135 , the second texture layer 142 , the second coating layer 143 and the ink layer 144 .

The first PDLC film substrate, the first PDLC transparent conductive layer, the polymer dispersed liquid crystal layer, the second PDLC transparent conductive layer, and the second PDLC film substrate form a PDLC device; The second coating layer and the ink layer constitute the second glare film; the second PDLC film substrate in the second embodiment of the single glare film is the shared film substrate of the PDLC device and the second glare film.

In the above single glare film embodiment, when the PDLC device is powered off, the polymer-dispersed liquid crystal layer is in a haze state with high haze and relatively low transmittance; when the PDLC device is powered on, the polymer-dispersed liquid crystal layer is in a low haze and relatively high haze state. Transmittance state.

The side closer to the field of view is the outer side, and the side farther from the field of view is the inner side. The PDLC device is close to the field of view, and the second glare film is far away from the field of view. When the PDLC device is in the fog state, the PDLC device can partially block the color of the second glare film, and completely block the reflected light of the structured light and texture structure, so that the observer can see The superposition effect of the color of the foggy PDLC device and the second glare film; when the PDLC device is in the transparent state, the color, structured light and the reflected light of the textured structure of the second glare film behind the PDLC are fully reflected, and the observer can see it. To the color and texture effect of the second glare film.

The electrochromic devices in Embodiments 3, 4, and 5 of the single glare film are electrochromic (Electrochromism, EC) devices.

Example 3 of single glare film:

As shown in FIG. 3 and FIG. 4 , the composite color-changing device includes a first EC film substrate 151 , a first EC transparent conductive layer 152 , an electrochromic layer 153 , an ion conducting layer 154 , and an ion storage layer, which are sequentially stacked from outside to inside. 155 , the second EC transparent conductive layer 156 , the second EC film substrate 157 , the first transparent optical adhesive 121 , the second glare film substrate 141 , the second texture layer 142 , the second coating layer 143 and the ink layer 144 .

The first EC film substrate, the first EC transparent conductive layer, the electrochromic layer, the ion conduction layer, the ion storage layer, the second EC transparent conductive layer, and the second EC film substrate constitute the EC device 150; the second glare film The base material, the second texture layer, the second coating layer and the ink layer constitute the second glare film.

In the third embodiment of the single glare film, the second glare film and the EC device do not share a film substrate, and the two are bonded by a transparent optical adhesive.

Single glare film embodiment four:

As shown in FIG. 3 and FIG. 5 , the composite color-changing device includes a first EC film substrate 151 , a first EC transparent conductive layer 152 , an electrochromic layer 153 , an ion conductive layer 154 , and an ion storage layer, which are sequentially stacked from outside to inside. 155 , the second EC transparent conductive layer 156 , the second EC film substrate 157 , the first transparent optical adhesive 121 , the water and oxygen barrier film 160 , the second texture layer 142 , the second coating layer 143 and the ink layer 144 .

The first EC film substrate, the first EC transparent conductive layer, the electrochromic layer, the ion conduction layer, the ion storage layer, the second EC transparent conductive layer, and the second EC film substrate form an EC device; The two texture layers, the second coating layer and the ink layer constitute the second glare film.

The fourth embodiment of the single glare film uses a water-oxygen barrier film as the second glare film substrate.

Example 5 of single glare film:

As shown in FIG. 3 and FIG. 6 , the composite color-changing device includes a first EC thin film substrate 151, a first EC transparent conductive layer 152, an electrochromic layer 153, an ion conducting layer 154, and an ion storage layer, which are sequentially stacked from outside to inside. 155, the second EC transparent conductive layer 156, the second EC film substrate 157, the first transparent optical adhesive 121, the water and oxygen barrier film 160, the second transparent optical adhesive 122, the second glare film substrate 141, the second texture layer 142 , the second coating layer 143 and the ink layer 144 .

The first EC film substrate, the first EC transparent conductive layer, the electrochromic layer, the ion conduction layer, the ion storage layer, the second EC transparent conductive layer, and the second EC film substrate form an EC device; the second glare film base The material, the second texture layer, the second coating layer and the ink layer constitute the second glare film.

In Examples 4 and 5 of the single glare film, there is a water-oxygen barrier film, because EC devices are generally sensitive to water and oxygen, and adding a water-oxygen barrier film can delay water and oxygen erosion to a certain extent, effectively increasing the life of the EC device; and In the fourth embodiment of the single glare film, the water-oxygen barrier film is used as the base material of the second glare film.

The side closer to the field of view is the outer side, and the side farther from the field of view is the inner side. The EC device is close to the field of view, and the second glare film is far away from the field of view. When the EC device is in the transparent state, the observer can see the texture reflected light and color of the second glare film; when the EC device is in the colored state, the observer can see To the combined effect of the color, texture of the second glare film and the EC device; for example, if the EC device is colored to show a color, and the transmittance is 5%~20%, what the observer sees is the superimposed color of the first color. Two glare film patterns; if the transmittance of the EC device is lower than 5%, or even close to 0, the observer may only see the color of the EC device, but cannot see the second glare film behind.

Compared with the solution of arranging the composite color-changing device in the back cover of the mobile phone, disposing the composite color-changing device in the mobile phone protective shell and other electronic device protective shells 1 has the following advantages: 1. The composite color-changing device has a certain thickness and is arranged behind the mobile phone. The cover will significantly increase the thickness of the mobile phone, while the protective case is not sensitive to the increase in thickness; 2. The composite color-changing device can not be replaced when set in the back cover of the mobile phone, but it is easy to replace when set in the mobile phone shell, which can make any mobile phone have a color-changing function.

In the above embodiment of the single glare film, the film substrate is made of transparent materials, such as glass, plastic, film, etc.; Optical Clear Adhesive (OCA) is used for the optical adhesive; the second texture layer is Ultraviolet (UV) pattern; the second coating layer is Non-conductive vacuum metallization (Non Conductive Vacuum Metallization, NCVM).

The above-mentioned embodiment of the single glare film using a common thin film substrate can reduce the overall thickness of the composite color-changing device.

The electrochromic devices in Embodiments 1, 2, 3, and 4 of the double glare film are PDLC devices.

Double glare film embodiment 1:

As shown in FIG. 9 , the composite color-changing device includes a first glare film substrate 111 , a first texture layer 112 , a first coating layer 113 , a first transparent optical adhesive 121 , and a first PDLC film substrate, which are sequentially stacked from outside to inside. material 131, first PDLC transparent conductive layer 132, polymer dispersed liquid crystal layer 133, second PDLC transparent conductive layer 134, second PDLC film substrate 135, second transparent optical adhesive 122, second glare film substrate 141, The second texture layer 142 , the second coating layer 143 , and the ink layer 144 .

The first PDLC film substrate, the first PDLC transparent conductive layer, the polymer dispersed liquid crystal layer, the second PDLC transparent conductive layer, and the second PDLC film substrate constitute the PDLC device 130 .

The first glare film base material, the first texture layer, and the first coating layer constitute the first glare film 110 . The first glare film has no ink layer and is in a semi-transparent state.

The second glare film base material, the second texture layer, the second coating layer, and the ink layer constitute the second glare film 140; the second texture layer, the second coating layer, and the ink layer are all optional.

The glare films and PDLC devices do not share the film substrate and are bonded by transparent optical adhesives.

The second embodiment of the double glare film:

As shown in FIG. 10 , the composite color-changing device includes a first coating layer 113 , a first texture layer 112 , a first PDLC film substrate 131 , a first PDLC transparent conductive layer 132 , and a polymer-dispersed liquid crystal layer, which are sequentially stacked from outside to inside. 133 . The second PDLC transparent conductive layer 134 , the second PDLC film substrate 135 , the second transparent optical adhesive 122 , the second glare film substrate 141 , the second texture layer 142 , the second coating layer 143 , and the ink layer 144 .

The first PDLC film substrate, the first PDLC transparent conductive layer, the polymer dispersed liquid crystal layer, the second PDLC transparent conductive layer, and the second PDLC film substrate constitute the PDLC device 130 .

The first texture layer, the first coating layer, and the first PDLC film substrate constitute the first glare film 110 . The first glare film has no ink layer and is in a semi-transparent state.

The second glare film base material, the second texture layer, the second coating layer, and the ink layer constitute the second glare film 140; the second texture layer, the second coating layer, and the ink layer are all optional.

The first PDLC film base material is a film base material shared by the PDLC device and the first glare film, that is, the above-mentioned external shared film base material.

The third embodiment of the double glare film:

As shown in FIG. 11 , the composite color-changing device includes a first glare film substrate 111 , a first texture layer 112 , a first coating layer 113 , a first transparent optical adhesive 121 , and a first PDLC film substrate stacked in sequence from outside to inside material 131 , first PDLC transparent conductive layer 132 , polymer dispersed liquid crystal layer 133 , second PDLC transparent conductive layer 134 , second PDLC film substrate 135 , second texture layer 142 , second coating layer 143 , ink layer 144 .

The first glare film base material, the first texture layer, and the first coating layer constitute the first glare film 110 . The first glare film has no ink layer and is in a semi-transparent state.

The second PDLC film substrate, the second texture layer, the second coating layer, and the ink layer constitute the second glare film 140; the second texture layer, the second coating layer, and the ink layer are all optional.

The second PDLC film base material is the film base material shared by the PDLC device and the second glare film, that is, the above-mentioned internal shared film base material.

Embodiment 4 of double glare film:

As shown in FIG. 12 , the composite color-changing device includes a first coating layer 113 , a first texture layer 112 , a first PDLC film substrate 131 , a first PDLC transparent conductive layer 132 , and a polymer-dispersed liquid crystal layer, which are sequentially stacked from outside to inside. 133 . The second PDLC transparent conductive layer 134 , the second PDLC film substrate 135 , the second texture layer 142 , the second coating layer 143 , and the ink layer 144 .

The first texture layer, the first coating layer, and the first PDLC film substrate constitute the first glare film 110 . The first glare film has no ink layer and is in a semi-transparent state.

The second PDLC film substrate, the second texture layer, the second coating layer, and the ink layer constitute the second glare film 140; the second texture layer, the second coating layer, and the ink layer are all optional.

The first PDLC film base material is a film base material shared by the PDLC device and the first glare film, that is, the above-mentioned external shared film base material.

The second PDLC film base material is the film base material shared by the PDLC device and the second glare film, that is, the above-mentioned internal shared film base material.

In the above double glare film embodiment, when the PDLC device is powered off, the polymer dispersed liquid crystal layer is in a haze state with relatively low transmittance; when the PDLC device is powered on, the polymer dispersed liquid crystal layer is in a relatively high transmittance transparent state.

The side closer to the field of view is the outer side, and the side farther from the field of view is the inner side. The first glare film is close to the field of view, it only has a texture layer and a coating layer, no ink layer, and the whole is in a semi-transparent state. The second glare film is far away from the visual field, and its texture layer, coating layer and ink layer can be selectively arranged. When the PDLC device is in the fog state, the color of the inner glare film, the texture of the outer glare film and the superposition effect of the foggy PDLC device can be seen. When the PDLC device is in a transparent state, and the second glare film is provided with a texture layer and an ink layer, the superimposed effect of the color and texture of the inner glare film and the texture of the outer glare film can be seen; if the second glare film is only If there is a textured layer, you can see the superposition effect of the inner glare film texture and the outer glare film texture; if the second glare film only has an ink layer, you can see the color of the inner glare film and the outer glare film texture. Overlay effect.

The fifth embodiment of the double glare film:

As shown in FIG. 13 , the composite color-changing device includes a first glare film substrate 111 , a first texture layer 112 , a first coating layer 113 , a first transparent optical adhesive 121 , and a first EC film substrate that are sequentially stacked from outside to inside. material 151, first EC transparent conductive layer 152, electrochromic layer 153, ion conduction layer 154, ion storage layer 155, second EC transparent conductive layer 156, second EC film substrate 157, second transparent optical adhesive 122, The second glare film substrate 141 , the second texture layer 142 , the second coating layer 143 , and the ink layer 144 .

The first EC film substrate 151, the first EC transparent conductive layer 152, the electrochromic layer 153, the ion conduction layer 154, the ion storage layer 155, the second EC transparent conductive layer 156, and the second EC film substrate 157 constitute an EC device 150.

The compositions of the first glare film and the second glare film are the same as those of the first embodiment of the double glare film.

Embodiment 6 of the double glare film:

As shown in FIG. 14 , the difference from the fifth embodiment of the double glare film is that a water-oxygen barrier film 160 and a third transparent optical adhesive 123 are added between the EC device and the second glare film, because the EC device is generally sensitive to water It is more sensitive to oxygen, and adding a water-oxygen barrier film can delay water-oxygen erosion to a certain extent and effectively increase the life of EC devices.

Embodiment 7 of double glare film

As shown in FIG. 15 , the difference from the second embodiment of the double glare film is that the electrochromic device is an EC device, and a water-oxygen barrier film 160 and a third transparent optical glue are added between the EC device and the second glare film. 123.

Example 8 of double glare film

As shown in FIG. 16 , the difference from Embodiment 5 of the double glare film is that the second glare film substrate is replaced with a water-oxygen barrier film 160 , that is, the water-oxygen barrier film is used as the film substrate.

The ninth embodiment of the double glare film

As shown in FIG. 17 , the difference from the second embodiment of the double glare film is that the electrochromic device is an EC device, and the second glare film substrate is replaced with a water-oxygen barrier film 160 .

The side closer to the field of view is the outer side, and the side farther from the field of view is the inner side. The first glare film is close to the field of view, it has only a texture layer and a coating layer, and no ink layer, and the whole is in a semi-transparent state. The second glare film is far away from the visual field, and its texture layer, coating layer and ink layer can be selectively arranged. When the EC device is in the colored state, the EC device blocks the image of the back glare film, and the observer can see the front glare film; and when the EC thin film device is in the transparent state, the observer sees the front and back An overlay image of the light emitted by the glare film.

In the above-mentioned embodiment of the double glare film, the film substrate is made of transparent materials, such as glass, plastic, film, etc.; the transparent optical adhesive is made of OCA; the texture layer is UV pattern; and the coating layer is NCVM.

Compared with the solution of arranging the composite color-changing device in the back cover of the mobile phone, disposing the composite color-changing device in the mobile phone protective shell and other electronic device protective shells 1 has the following advantages: 1. The composite color-changing device has a certain thickness, and is arranged behind the mobile phone. The cover will significantly increase the thickness of the mobile phone, while the protective case is not sensitive to the increase in thickness; 2. The composite color-changing device can not be replaced when set in the back cover of the mobile phone, but it is easy to replace when set in the mobile phone shell, which can make any mobile phone have a color-changing function.

The above-mentioned embodiment of the double glare film using a common thin film base material can reduce the overall thickness of the composite color-changing device.

The combination of known technologies in the industry such as PDLC, EC, partition drive and this patent shall be deemed to be within the protection scope of this patent.

For those skilled in the art, it is obvious that the novel creation is not limited to the details of the above-mentioned exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential features of the novel creation. The embodiments are therefore to be regarded in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and is therefore intended to fall within the scope of the claims. All changes that come within the meaning and scope of equivalents of , are included in this novel creation, and any reference signs in the claims should not be construed as limiting the claims involved.

In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

1: Electronic device protective case 110: The first glare film 111: The first glare film substrate 112: First texture layer 113: The first coating layer 121: The first transparent optical glue 122: The second transparent optical glue 123: The third transparent optical glue 130: PDLC device 131: the first PDLC film substrate 132: polymer dispersed liquid crystal layer 133: polymer dispersed liquid crystal layer 134: the second PDLC transparent conductive layer 135: Second PDLC film substrate 140: The second glare film 141: Second glare film substrate 142: Second texture layer 143: The second coating layer 144: ink layer 150:EC device 151: First EC film substrate 152: the first EC transparent conductive layer 153: Electrochromic layer 154: Ion Conductive Layer 155: Ion storage layer 156: the second EC transparent conductive layer 157: Second EC film substrate 160: Water and oxygen barrier film

Fig. 1 is the structural schematic diagram of the first embodiment of the novel creation single glare film; Fig. 2 is the structural schematic diagram of the second embodiment of the novel creation single glare film; Fig. 3 is the structural schematic diagram of the new creation EC device; FIG. 4 is a schematic structural diagram of the third embodiment of the novel creation single glare film; FIG. 5 is a schematic structural diagram of Embodiment 4 of the novel creation single glare film; 6 is a schematic structural diagram of Embodiment 5 of the novel creation single glare film; Figure 7 is an exploded view of a new creation of an electronic device protective case with a single glare film; FIG. 8 is an exploded view of a newly created electronic device protective case with a single glare film; FIG. 9 is a schematic structural diagram of Embodiment 1 of the novel creation double glare film; FIG. 10 is a schematic structural diagram of the second embodiment of the novel creation double glare film; FIG. 11 is a schematic structural diagram of Embodiment 3 of the novel creation double glare film; FIG. 12 is a schematic structural diagram of Embodiment 4 of the novel double glare film; FIG. 13 is a schematic structural diagram of Embodiment 5 of the novel double glare film; FIG. 14 is a schematic structural diagram of Embodiment 6 of the novel creation double glare film; FIG. 15 is a schematic structural diagram of Embodiment 7 of the novel creation double glare film; FIG. 16 is a schematic structural diagram of the eighth embodiment of the novel creation double glare film; FIG. 17 is a schematic structural diagram of the ninth embodiment of the novel creation double glare film; Figure 18 is an exploded view of a new creation of an electronic device protective case with dual glare films; FIG. 19 is an exploded view of the newly created electronic device protective case with double glare films.

121: The first transparent optical glue

130: PDLC device

131: the first PDLC film substrate

132: the first PDLC transparent conductive layer

133: polymer dispersed liquid crystal layer

134: the second PDLC transparent conductive layer

135: Second PDLC film substrate

140: The second glare film

141: Second glare film substrate

142: Second texture layer

143: The second coating layer

144: ink layer

Claims (15)

An electrochromic electronic device protective shell, comprising a shell and a composite color-changing device arranged on the shell; wherein the composite color-changing device comprises an electrochromic device located on the outer side, a second glare film located on the inner side, and a second glare film for bonding the first Two glare films and the first transparent optical glue for electrochromic devices. The electrochromic electronic device protective case according to claim 1, wherein the electrochromic device comprises a common film substrate located at the innermost side, and the second glare film is directly disposed on the side of the common film substrate away from the electrochromic device . The electrochromic electronic device protective case according to claim 1, wherein the composite color-changing device is replaced with the following structure: the composite color-changing device includes an electrochromic device located on the outside, a second glare film located on the inside, and a color-changing device located on the inside. The water-oxygen barrier film between the device and the second glare film, the first transparent optical glue disposed between the electrochromic device and the water-oxygen barrier film, the first transparent optical glue disposed between the water-oxygen barrier film and the second glare film Two transparent optical glue. The electrochromic electronic device protective case according to claim 1, wherein the composite color-changing device is replaced with the following structure: the composite color-changing device includes a first glare film on the outside, a second glare film on the inside, and a glare film on the inside. The electrochromic device between the first glare film and the second glare film, the first transparent optical glue disposed between the first glare film and the electrochromic device, and the electrochromic device disposed between the second glare film and the electrochromic device. the second transparent optical glue in between. The electrochromic electronic device protective case according to claim 1, wherein the composite color-changing device is replaced with the following structure: the composite color-changing device includes a first glare film on the outside, a second glare film on the inside, and a glare film on the inside. The electrochromic device between the first glare film and the second glare film, and the second transparent optical glue arranged between the second glare film and the electrochromic device; the outermost side of the electrochromic device is provided with an external common A film base material, wherein the first glare film is arranged on the outer side of the external common film base material. The electrochromic electronic device protective case according to claim 1, wherein the composite color-changing device is replaced with the following structure: the composite color-changing device includes a first glare film on the outside, a second glare film on the inside, and a glare film on the inside. The electrochromic device between the first glare film and the second glare film, and the first transparent optical glue disposed between the first glare film and the electrochromic device; the innermost part of the electrochromic device is provided with an internal shared The film base material, the second glare film is arranged on the inner side of the internal common film base material. The electrochromic electronic device protective case according to claim 1, wherein the composite color-changing device is replaced with the following structure: the composite color-changing device includes a first glare film on the outside, a second glare film on the inside, and a glare film on the inside. An electrochromic device between the first glare film and the second glare film; the outermost side of the electrochromic device is provided with an outer shared film base material, and the innermost side is provided with an inner shared film base material; the first glare film The light film is arranged on the outer side of the outer shared film base material, and the second glare film is arranged at the inner side of the inner shared film base material. The electrochromic electronic device protective case according to any one of claims 1 to 7, wherein the electrochromic device is a polymer dispersed liquid crystal (PDLC) device; the PDLC device comprises sequentially stacked The first PDLC film substrate, the first PDLC transparent conductive layer, the polymer dispersed liquid crystal layer, the second PDLC transparent conductive layer, and the second PDLC film substrate. The electrochromic electronic device protective case according to any one of claims 1 to 7, wherein the electrochromic device is an electrochromism (EC) device; the EC device includes a first EC stacked in sequence Film substrate, first EC transparent conductive layer, electrochromic layer, ion conduction layer, ion storage layer, second EC transparent conductive layer, second EC film substrate. The electrochromic electronic device protective case according to claim 9, further comprising a water-oxygen barrier film located between the EC device and the second glare film; the second glare film is arranged inside the water-oxygen barrier film; the The second glare film includes a second texture layer disposed inside the water-oxygen barrier film, a second coating layer disposed inside the second texture layer, and an ink layer disposed inside the second coating layer. The electrochromic electronic device protective case according to claim 4 or 6, wherein the first glare film comprises a first glare film base material, a first texture layer disposed inside the first glare film base material, The first coating layer on the inner side of the first texture layer; the first coating layer is bonded with the electrochromic device through the first transparent optical glue. The electrochromic electronic device protective case according to claim 5 or 7, wherein the first glare film comprises a first coating layer and a first texture layer disposed inside the first coating layer; the first texture layer is disposed outside The outside of the common film substrate. The electrochromic electronic device protective case according to claim 1, 3, 4 or 5, wherein the second glare film comprises a second glare film base material and a second texture disposed inside the second glare film base material layer, a second coating layer arranged on the inner side of the second texture layer, and an ink layer located on the inner side of the second coating layer. The electrochromic electronic device protective case according to claim 2, 6 or 7, wherein the second glare film comprises a second texture layer disposed inside the inner common film substrate, a second texture layer disposed inside the second texture layer The coating layer and the ink layer located inside the second coating layer. The electrochromic electronic device protective case according to any one of claims 1 to 7, wherein the protective case is sleeved outside the electronic device.

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