WO2022247052A1

WO2022247052A1 - Power-on color-changing electronic device protective housing

Info

Publication number: WO2022247052A1
Application number: PCT/CN2021/116953
Authority: WO
Inventors: 米赛
Original assignee: 安徽精卓光显技术有限责任公司
Priority date: 2021-05-28
Filing date: 2021-09-07
Publication date: 2022-12-01
Also published as: TWM622678U

Abstract

The present utility model relates to the technical field of color-changing devices, and discloses a power-on color-changing electronic device protective housing. A power-on color-changing device is located on an outer side, and a glare film is located on an inner side of the power-on color-changing device, or the power-on color-changing device is located in the middle, and two glare films are located on two sides of the power-on color-changing device respectively. When the power-on color-changing device is in different states, the states may be superimposed with the color and texture of a glare film, so that different visual effects can be presented.

Description

A protective case for electronic equipment that changes color when powered on

technical field

The utility model relates to the technical field of color-changing devices, in particular to a protective case for electronic equipment that changes color when powered on.

Background technique

With the development of society, people's pursuit of beauty is constantly improving. In the field of consumer electronics, there are endless upgrades of mobile phone protective cases.

There are two color changing schemes in the mobile phone case in the prior art. The color changing function of the first type is realized by granular materials such as luminous color changing, temperature sensitive color changing, photosensitive color changing, etc. This solution cannot realize active color changing, but only passive color changing, and the passive color changing effect is not good, and the market acceptance is poor; the second type The color-changing function is to light up the light-guiding film through LEDs to emit light, but the texture pattern of this solution cannot be changed.

Utility model content

In order to solve the above technical problems, the utility model provides a protective case for electronic equipment that changes color when powered on.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A protective case for electrochromic electronic equipment, comprising a casing and a composite color-changing device arranged on the casing; the composite color-changing device includes an electrochromic device on the outside, a second glare film on the inside, and a The second glare film and the first transparent optical glue of the electrochromic device.

Further, the electrochromic device includes a common thin film substrate located on the innermost side, and the second glare film is directly arranged on the side of the common thin film substrate away from the electrochromic device; at this time, the electrochromic device and the second glare film The films share a substrate, enabling the overall thickness of the device to be reduced.

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 water between the electrochromic device and the second glare film. Oxygen barrier film, the first transparent optical glue arranged between the electrochromic device and the water-oxygen barrier film, the second transparent optical glue arranged between the water-oxygen barrier film and the second glare film; adding the water-oxygen barrier film, It can delay the erosion of water and oxygen to a certain extent, and effectively increase the life of 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 on the outside, a second glare film on the inside, a first glare film and a second glare film The electrochromic device in between, the first transparent optical glue arranged between the first glare film and the electrochromic device, and the second transparent optical glue arranged 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 on the outside, a second glare film on the inside, a first glare film and a second glare film The electrochromic device between them, 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 common film substrate, and the first glare film It is arranged on the outer side of the outer shared film base material; at this time, the first glare film shares the base material 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 on the outside, a second glare film on the inside, a first glare film and a second glare film The electrochromic device between them, the first transparent optical glue arranged between the first glare film and the electrochromic device; the innermost part of the electrochromic device is provided with an internal shared film substrate, and the second glare film It is arranged on the inner side of the shared film base material; at this time, the second glare film shares the base material with the inner 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 on the outside, a second glare film on the inside, a first glare film and a 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 part is provided with an inner shared film substrate; the first glare film is arranged outside the outer shared film substrate, The second glare film is arranged on the inner side of the shared film base material; at this time, the first glare film shares the base material with the outside of the electrochromic device, and the second glare film shares the base material with the inside of the electrochromic device, reducing the Device thickness.

Further, the electrochromic device is a PDLC device; the PDLC device includes a first PDLC film substrate, a first PDLC transparent conductive layer, a polymer dispersed liquid crystal layer, a second PDLC transparent conductive layer, and a second PDLC layer stacked in sequence. 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 conducting layer, an ion storage 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 The second texture layer on the inside of the film, the second coating layer arranged on the inside of the second texture layer, and the ink layer located on the inside of the second coating layer; EC devices are generally sensitive to water and oxygen, and adding a water-oxygen barrier film can to a certain extent Delay water and oxygen erosion, effectively increase the life of EC devices.

Further, the first glare film includes a first glare film substrate, a first texture layer disposed inside the first glare film substrate, and a first coating layer disposed inside the first texture layer; the The first coating layer is bonded to 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 a substrate with the electrochromic device at this time.

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

Further, the second glare film includes a second glare film substrate, a second texture layer disposed inside the second glare film substrate, a second coating layer disposed inside the second texture layer, and a 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 a base material with the electrochromic device at this time.

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

Further, the protective shell is set outside the electronic equipment.

Compared with the prior art, the beneficial technical effect of the utility model is:

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 different states, it can be superimposed with the color and texture of the glare film to present Different visual effects, able to 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 a fog state, the PDLC device can partially block the color of the glare film, and completely block the structured light and texture structure. Reflected light, the observer can see the superimposed effect of partial colors of the foggy PDLC device and the glare film; when the PDLC device is in a transparent state, the color, structured light and reflected light of the glare film behind the PDLC 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 foggy state, the PDLC device It can partially block the color of the inner glare film, and completely block the structured light and the reflected light of the texture structure of the inner glare film. The observer can see part of the color of the inner glare film, the texture of the outer glare film and the foggy PDLC device. Superposition effect; when the PDLC device is in a transparent state, the superimposition 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 glare film color, texture and the EC device; for example, if the EC device is colored and presents a color, and the transmittance is 5% to 20%, what the observer sees is the superposition The glare film pattern of this color; if the transmittance of the EC device is lower than 5%, or even close to 0, the observer may only see the colored 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; when the EC thin film device is in a transparent state, the observer sees a superimposed image of the light emitted by the front and rear glare films.

Description of drawings

Fig. 1 is a schematic structural view of Embodiment 1 of a single glare film of the present invention;

Fig. 2 is a schematic structural view of Embodiment 2 of the single glare film of the present invention;

Fig. 3 is the structural representation of the utility model EC device;

Fig. 4 is a schematic structural view of Embodiment 3 of the single glare film of the present invention;

Fig. 5 is a schematic structural view of Embodiment 4 of the single glare film of the present invention;

Fig. 6 is a schematic structural view of Embodiment 5 of the single glare film of the present invention;

Fig. 7 is the exploded view of the electronic device protective case with single glare film of the present invention;

Fig. 8 is an exploded view of the electronic device protective case with a single glare film of the present invention;

Fig. 9 is a schematic structural view of Embodiment 1 of the double glare film of the present invention;

Figure 10 is a schematic structural view of Embodiment 2 of the double glare film of the present invention;

Figure 11 is a schematic structural view of Embodiment 3 of the double glare film of the present invention;

Fig. 12 is a schematic structural view of Embodiment 4 of the double glare film of the present invention;

Fig. 13 is a schematic structural view of Embodiment 5 of the double glare film of the present invention;

Fig. 14 is a schematic structural view of Embodiment 6 of the double glare film of the present invention;

Figure 15 is a schematic structural view of Embodiment 7 of the double glare film of the present invention;

Fig. 16 is a schematic structural view of Embodiment 8 of the double glare film of the present invention;

Fig. 17 is a structural schematic diagram of Embodiment 9 of the double glare film of the present invention;

Fig. 18 is an exploded view of the electronic equipment protective case with double glare films of the present invention;

Fig. 19 is an exploded view of the electronic equipment protective case with double glare films of the present invention.

Detailed ways

Preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings.

The protective case for electronic equipment in the utility model includes a protective case for electronic equipment with a single glare film and a protective case for electronic equipment with double glare films.

The electrochromic devices in Embodiment 1 and Embodiment 2 of the single glare film are PDLC devices.

Single glare film embodiment one:

As shown in Figure 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 film substrate 135 , first transparent optical glue 121 , second glare film substrate 141 , second texture layer 142 , second coating layer 143 and ink layer 144 .

The PDLC device 130 is composed of 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 second glare film base material, 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 the same film substrate, and the two are bonded by transparent optical glue.

Single glare film embodiment two:

As shown in Figure 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 film substrate 135 , second texture layer 141 , second coating layer 142 and ink layer 143 .

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 PDLC film substrate, the second texture layer, the second PDLC film substrate The second coating layer and the ink layer form 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 low transmittance state. Transparent state with high transmittance.

The side closer to the field of vision is the outer side, and the side farther away from the field of vision 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 a fog state, the PDLC device can partially block the color of the second glare film, and completely block the reflected light of structured light and texture structure, and the observer can see The superposition effect of partial colors of the foggy PDLC device and the second glare film; when the PDLC device is in the transparent state, the color, structured light and reflected light of the second glare film behind the PDLC are fully reflected, and the observer can see To the color and texture effect of the second glare film.

The electrochromic devices in the third, fourth and fifth embodiments of the single glare film are EC devices.

Single glare film embodiment three:

As shown in Figures 3 and 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 155 stacked in sequence from outside to inside. , the second EC transparent conductive layer 156 , the second EC film substrate 157 , the first transparent optical glue 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 form the EC device 150; the second glare film The base material, the second texture layer, the second coating layer and the ink layer form 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 transparent optical glue.

Single glare film embodiment four:

As shown in Figures 3 and 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 conducting layer 154, and an ion storage layer 155 stacked in sequence from outside to inside. , 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 water-oxygen barrier film, the second The second texture layer, the second coating layer and the ink layer form the second glare film.

In the fourth embodiment of the single glare film, the water and oxygen barrier film is used as the second glare film base material.

Embodiment 5 of single glare film:

As shown in Figures 3 and 6, 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 155 stacked in sequence from outside to inside. , the second EC transparent conductive layer 156, the second EC film substrate 157, the first transparent optical glue 121, the water oxygen barrier film 160, the second transparent optical glue 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 substrate The material, the second texture layer, the second coating layer and the ink layer form the second glare film.

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

The side closer to the field of vision is the outer side, and the side farther away from the field of vision 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 a transparent state, the observer can see the texture reflected light and color of the second glare film; when the EC device is in a colored state, the observer can see The combined effect of the color, texture and EC device of the second glare film; for example, if the EC device is colored and presents a color with a transmittance of 5% to 20%, what the observer sees is the superposition of this color The pattern of the second glare film; if the transmittance of the EC device is lower than 5%, or even close to 0, the observer may only see the colored color of the EC device, and cannot see the second glare film behind it.

Compared with the scheme of setting the compound color-changing device in the back cover of the mobile phone, setting the compound color-changing device in the protective case of the mobile phone and other electronic equipment has the following advantages: 1. The compound color-changing device has a certain thickness and is arranged on the back of the mobile phone The thickness of the mobile phone will be significantly increased in the cover, and the protective shell is not sensitive to the increase in thickness; 2. The composite color-changing device cannot be replaced in the back cover of the mobile phone, but it is easy to replace in the mobile phone shell, which can make any mobile phone have a color-changing function.

In the above single glare film embodiment, the film substrate is made of transparent materials, such as glass, plastic, film, etc.; the optical glue is made of OCA; the second texture layer is UVpattern; the second coating layer is NCVM.

The above embodiment of the single glare film using the co-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 one:

As shown in Figure 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 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 transparent optical glue 122, second glare film substrate 141, The second texture layer 142 , the second coating layer 143 , and the ink layer 144 .

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

Each glare film and the PDLC device do not share a film substrate, and are bonded by transparent optical glue.

Double glare film embodiment two:

As shown in Figure 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 stacked in sequence 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 texture layer, the first coating layer, and the first PDLC film substrate form the first glare film 110 . The first glare film has no ink layer and is in a semi-transparent state.

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

Double glare film embodiment three:

As shown in Figure 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 second PDLC film substrate, the second texture layer, the second coating layer, and the ink layer form the second glare film 140; the second texture layer, the second coating layer, and the ink layer are all optional.

The second PDLC film substrate is the film substrate shared by the PDLC device and the second glare film, that is, the above-mentioned inner shared film substrate.

Double glare film embodiment four:

As shown in Figure 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 stacked in sequence 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 .

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

The side closer to the field of vision is the outer side, and the side farther away from the field of vision is the inner side. The first glare film is close to the field of view, and it only has a texture layer and a coating layer, without an ink layer, and is in a semi-transparent state as a whole. The second glare film is far away from the field of view, and its texture layer, coating layer and ink layer can all be selectively set. When the PDLC device is in a foggy state, you can see the superimposed effect of part of the color of the inner glare film, the texture of the outer glare film, and the foggy PDLC device. 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 superposition effect of the color and texture of the inside glare film and the texture of the outside glare film can be seen; if the second glare film is only If there is a texture layer, you can see the superposition effect of the texture of the inner glare film and the texture of the outer glare film; if the second glare film only has an ink layer, you can see the difference between the color of the inner glare film and the texture of the outer glare film Overlay effect.

Double glare film embodiment five:

As shown in Figure 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 stacked in sequence from outside to inside. Material 151, first EC transparent conductive layer 152, electrochromic layer 153, ion conductive layer 154, ion storage layer 155, second EC transparent conductive layer 156, second EC film substrate 157, second transparent optical glue 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 form an EC device 150.

The compositions of the first glare film and the second glare film are the same as those in Embodiment 1 of the double glare film.

Double glare film embodiment six:

As shown in Figure 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 glue 123 are added between the EC device and the second glare film, because the EC device is generally resistant to water. It is more sensitive to oxygen, 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 Figure 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.

Embodiment 8 of double glare film

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

Embodiment 9 of 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 base material of the second glare film is replaced by a water-oxygen barrier film 160 .

The side closer to the field of vision is the outer side, and the side farther away from the field of vision is the inner side. The first glare film is close to the field of view, and it only has a texture layer and a coating layer, without an ink layer, and is in a semi-transparent state as a whole. The second glare film is far away from the field of view, and its texture layer, coating layer and ink layer can all be selectively set. 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; while when the EC thin film device is in the transparent state, the observer sees the front and rear Overlay image of light emitted by glare film.

In the above double glare film embodiment, the film substrate is made of transparent materials, such as glass, plastic, film, etc.; the transparent optical glue is made of OCA; the texture layer is UVpattern; the coating layer is NCVM.

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

The combination of PDLC, EC, partition drive and other known technologies in the industry with this patent should be considered within the scope of protection of this patent.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, so it is intended that the scope of the present invention will fall within the scope of the claims. All changes within the meaning and range of equivalent elements are included in the present invention, 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 according to implementation modes, not each implementation mode includes only one independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole, The technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims

An electrochromic protective case for electronic equipment, characterized in that it includes a casing and a composite color-changing device arranged on the casing; the composite color-changing device includes an electrochromic device on the outside, a second glare film on the inside, and The first transparent optical adhesive for bonding the second glare film and the electrochromic device.
According to the protective case for electrochromic electronic equipment according to claim 1, wherein the electrochromic device comprises a shared film substrate located at the innermost side, and the second glare film is directly arranged on the shared film substrate away from the electrochromic device side.
According to claim 1, the protection case for electronic equipment with electrochromic change, wherein the composite color-changing device is replaced with the following structure: the composite color-changing device includes an electrochromic device on the outside, a second glare film on the inside, A water-oxygen barrier film located between the electrochromic device and the second glare film, a first transparent optical glue disposed between the electrochromic device and the water-oxygen barrier film, and a water-oxygen barrier film disposed between the second glare film A second clear optical glue in between.
According to claim 1, the protection case for electronic equipment with electrochromic effect, 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 and a second glare film on the inside film, an electrochromic device located between the first glare film and the second glare film, a first transparent optical glue arranged between the first glare film and the electrochromic device, an electrochromic device arranged between the second glare film and the electrochromic device A second clear optical glue between the color changing devices.
According to claim 1, the protection case for electronic equipment with electrochromic effect, 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 and a second glare film on the inside film, an electrochromic device located between the first glare film and the second glare film, a second transparent optical glue arranged between the second glare film and the electrochromic device; the outermost part of the electrochromic device is arranged There is an external shared film substrate, and the first glare film is arranged on the outer side of the external shared film substrate.
According to claim 1, the protection case for electronic equipment with electrochromic effect, 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 and a second glare film on the inside film, the electrochromic device located between the first glare film and the second glare film, the first transparent optical glue arranged between the first glare film and the electrochromic device; the innermost part of the electrochromic device is arranged There is an inner shared film substrate, and the second glare film is arranged on the inner side of the inner shared film substrate.
According to claim 1, the protection case for electronic equipment with electrochromic effect, 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 and a second glare film on the inside film, an electrochromic device located between the first glare film and the second glare film; the outermost part of the electrochromic device is provided with an outer common film substrate, and the innermost part is provided with an inner common film substrate; the The first glare film is arranged on the outer side of the outer common film substrate, and the second glare film is arranged on the inner side of the inner common film substrate.
According to any one of claims 1-7, the electrochromic protective case for electronic equipment is characterized in that: the electrochromic device is a PDLC device; the PDLC device includes a first PDLC film substrate, a first A PDLC transparent conductive layer, a polymer dispersed liquid crystal layer, a second PDLC transparent conductive layer, and a second PDLC film substrate.
According to the protective case for electrochromic electronic equipment according to any one of claims 1-7, it is characterized in that: the electrochromic device is an EC device; the EC device includes a first EC film substrate, a first EC transparent conductive layer, electrochromic layer, ion conductive layer, ion storage layer, second EC transparent conductive layer, second EC film substrate.
According to claim 9, the protective case for electronic equipment that changes color when powered on, is characterized in that: it includes a water-oxygen barrier film 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 second texture layer arranged inside the water-oxygen barrier film, a second coating layer arranged inside the second texture layer, and an ink layer located inside the second coating layer.
According to claim 4 or 6, the protective case for electronic equipment that changes color when powered on, is characterized in that: the first glare film comprises a first glare film base material and a first texture layer arranged inside the first glare film base material . A first coating layer disposed inside the first texture layer; the first coating layer is bonded to the electrochromic device through a first transparent optical glue.
According to claim 5 or 7, the protection case for electronic equipment that changes color when powered on, is characterized in that: the first glare film includes a first coating layer and a first texture layer arranged inside the first coating layer; the first texture The layer is disposed on the outside of the outer common film substrate.
According to claim 1, 3, 4 or 5, the protection case for electronic equipment that changes color when powered on, is characterized in that: the second glare film includes a second glare film base material, The second texture layer, the second coating layer arranged inside the second texture layer, and the ink layer located inside the second coating layer.
According to claim 2, 6 or 7, the electrochromic protective case for electronic equipment is characterized in that: the second glare film includes a second texture layer arranged on the inner side of the common film substrate, and is arranged on the inner side of the second texture layer. The second coating layer, the ink layer located inside the second coating layer.
According to any one of claims 1-7, the electrochromic protective case for electronic equipment is characterized in that: the protective case is sheathed outside the electronic equipment.