CN214335402U - Light adjusting film, housing assembly and electronic device - Google Patents

Light adjusting film, housing assembly and electronic device Download PDF

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CN214335402U
CN214335402U CN202120688046.2U CN202120688046U CN214335402U CN 214335402 U CN214335402 U CN 214335402U CN 202120688046 U CN202120688046 U CN 202120688046U CN 214335402 U CN214335402 U CN 214335402U
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light
transparent
polymer
liquid crystal
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吴中正
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Abstract

The application provides a membrane of adjusting luminance, including first transparent polymer layer, transparent conducting layer, polymer liquid crystal layer, metal level and the transparent polymer layer of second that stacks gradually the setting, the reflectivity of metal level is greater than 80%. The application provides a membrane of adjusting luminance can realize different outward appearance effects under the on-off condition, reaches the vision conversion of matte and high mirror surface, has greatly richened the outward appearance of membrane of adjusting luminance. The application also provides a housing assembly and an electronic device comprising the light adjusting film.

Description

Light adjusting film, housing assembly and electronic device
Technical Field
This application belongs to electronic equipment technical field, concretely relates to membrane, casing subassembly and electronic equipment adjust luminance.
Background
With the continuous development of electronic devices, users have higher and higher requirements on the appearance effect of the electronic devices, and the appearance of a single tone cannot meet the requirements of the users. Therefore, the appearance effect of more and more electronic devices is being diversified.
SUMMERY OF THE UTILITY MODEL
In view of this, this application provides a membrane of adjusting luminance that can fog and high-reflection mirror surface change, and it is strong to promote membrane outward appearance performance, is favorable to using in electronic equipment, promotes electronic equipment's product competitiveness.
In a first aspect, the present application provides a light modulation film, including a first transparent polymer layer, a transparent conductive layer, a polymer liquid crystal layer, a metal layer and a second transparent polymer layer which are stacked in sequence, wherein the reflectivity of the metal layer is greater than 80%.
In a second aspect, the application provides a casing subassembly, be in including casing body and setting the membrane of adjusting luminance on casing body surface, the membrane of adjusting luminance is including the first transparent polymer layer, transparent conducting layer, polymer liquid crystal layer, metal level and the transparent polymer layer of second that stack gradually the setting, the reflectivity of metal level is greater than 80%.
The third aspect, this application provides an electronic equipment, including casing subassembly and control circuit, casing subassembly includes the casing body and sets up the membrane of adjusting luminance on casing body surface, the membrane of adjusting luminance is including the first transparent polymer layer, transparent conducting layer, polymer liquid crystal layer, metal level and the transparent polymer layer of second that stack gradually the setting, the reflectivity of metal level is greater than 80%, control circuit with the membrane electricity is connected of adjusting luminance.
The application provides a membrane of adjusting luminance can realize different outward appearance effects under the on-off condition, reaches the dynamic conversion of matte and high mirror surface, has greatly richened the outward appearance of membrane of adjusting luminance. The visual effect that has the casing subassembly and the electronic equipment of this membrane of adjusting luminance is abundant, and the outward appearance effect variability is strong, can avoid the homogenization phenomenon, has greatly promoted product competitiveness.
Drawings
In order to more clearly explain the technical solution in the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be described below.
Fig. 1 is a schematic structural view of a light modulation film according to an embodiment of the present application.
Fig. 2 is a schematic structural view of a light modulation film according to another embodiment of the present application.
Fig. 3 is a schematic structural diagram of a housing assembly according to an embodiment of the present disclosure.
Fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Fig. 5 shows the result of measuring the reflectance of the light-adjusting film in example 1.
Description of reference numerals:
the transparent light-transmitting decorative film comprises a first transparent polymer layer-11, a transparent conducting layer-12, a polymer liquid crystal layer-13, a metal layer-14, a second transparent polymer layer-15, a light-transmitting decorative layer-16, a light-adjusting film-10, a shell body-20 and a shell assembly-100.
Detailed Description
The following is a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present application, and these improvements and modifications are also considered as the protection scope of the present application.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Referring to fig. 1, which is a schematic structural diagram of a light modulation film according to an embodiment of the present disclosure, a light modulation film 10 includes a first transparent polymer layer 11, a transparent conductive layer 12, a polymer liquid crystal layer 13, a metal layer 14, and a second transparent polymer layer 15, which are sequentially stacked, where a reflectivity of the metal layer 14 is greater than 80%.
In this application, membrane 10 of adjusting luminance can realize two kinds of different outward appearances under circular telegram, outage condition, and the transmissivity of polymer liquid crystal layer 13 changes when switching on and off for membrane 10 of adjusting luminance can produce the outward appearance of matte or high mirror surface, and visual effect changes obviously, improves the product expressive force. In the related art, the light adjusting film 10 has only a matte surface and a transparent appearance, and the change of the visual effect is not obvious; the addition of the mirror layer outside the light modulation film 10 can realize the conversion between the matte surface and the mirror surface, but at the same time, the thickness of the light modulation film 10 is increased, which is not favorable for the use thereof. The application provides a membrane 10 of adjusting luminance can enough realize the appearance effect dynamic change of matte and high mirror surface, can not increase membrane 10's thickness of adjusting luminance again simultaneously, more is favorable to its application.
In this application, first transparent polymer layer 11 and second transparent polymer layer 15 can regard as the load-bearing substrate of other layer structures in light adjusting film 10, adopt the polymer as load-bearing substrate also to improve light adjusting film 10's flexibility, are favorable to light adjusting film 10 to use in the curved surface casing.
In the present embodiment, the first transparent polymer layer 11 is at least one of a polyethylene terephthalate layer, a cycloolefin polymer layer, a polystyrene layer, a polycarbonate layer, and a polymethyl methacrylate layer. Specifically, the first transparent polymer layer 11 may be, but not limited to, a polyethylene terephthalate layer, a cycloolefin polymer layer, a polystyrene layer, a polycarbonate layer, a polymethyl methacrylate layer composite layer, and the like. In the present embodiment, the thickness of the first transparent polymer layer 11 is 30 μm to 80 μm. The thickness of the first transparent polymer layer 11 is within the above thickness range, which can ensure good mechanical properties, light transmittance and bending properties, and does not make the light modulation film 10 too thick, thereby meeting the development trend of light and thin. Further, the thickness of the first transparent polymer layer 11 is 35 μm to 70 μm. Further, the thickness of the first transparent polymer layer 11 is 45 μm to 60 μm. Specifically, the thickness of the first transparent polymer layer 11 may be, but is not limited to, 30 μm, 35 μm, 40 μm, 45 μm, 50 μm, 55 μm, 60 μm, 75 μm, or the like.
In the present embodiment, the second transparent polymer layer 15 is at least one of a polyethylene terephthalate layer, a cycloolefin polymer layer, a polystyrene layer, a polycarbonate layer, and a polymethyl methacrylate layer. Specifically, the second transparent polymer layer 15 may be, but not limited to, a polyethylene terephthalate layer, a cycloolefin polymer layer, a polystyrene layer, a polycarbonate layer, a polymethyl methacrylate layer composite layer, and the like. In the present embodiment, the thickness of the second transparent polymer layer 15 is 30 μm to 80 μm. The thickness of the second transparent polymer layer 15 is within the above thickness range, which not only can ensure good mechanical properties, light transmittance and bending properties, but also can prevent the light modulation film 10 from being too thick, and thus, the light modulation film conforms to the development trend of light and thin. Further, the thickness of the second transparent polymer layer 15 is 35 μm to 70 μm. Further, the second transparent polymer layer 15 has a thickness of 45 μm to 60 μm. Specifically, the thickness of the second transparent polymer layer 15 may be, but not limited to, 30 μm, 35 μm, 40 μm, 45 μm, 50 μm, 55 μm, 60 μm, 75 μm, or the like.
In this application, light adjusting film 10 passes through transparent conducting layer 12 and metal layer 14 for light adjusting film 10 can be connected with the external circuit, realizes switching on and switching off, and then realizes the change of polymer liquid crystal orientation in polymer liquid crystal layer 13, thereby reaches the outward appearance effect of matte and high mirror surface.
In this application, adopt transparent conducting layer 12 can enough realize the on-off of membrane 10 of adjusting luminance, can not influence the presentation of membrane 10 outward appearance effect again simultaneously. In the present embodiment, the transparent conductive layer 12 is a flexible conductive layer. Thereby being more favorable for improving the flexibility of the light adjusting film 10 and expanding the application range of the light adjusting film 10. In the present embodiment, the transparent conductive layer 12 is at least one of an indium tin oxide layer, a zinc tin oxide layer, and an indium zinc oxide layer. The transparent conductive layer 12 has good conductivity, so that the state of the light adjusting film 10 is changed rapidly, and the transparent conductive layer 12 has good light transmission performance and flexibility. Specifically, the transparent conductive layer 12 is an indium tin oxide layer, a zinc tin oxide layer, an indium zinc oxide layer, or the like. In the present embodiment, the thickness of the transparent conductive layer 12 is 10nm to 50 nm. The transparent conductive layer 12 having such a thickness has a good usability. Further, the thickness of the transparent conductive layer 12 is 15nm to 40 nm. Further, the thickness of the transparent conductive layer 12 is 20nm to 35 nm. Specifically, the thickness of the transparent conductive layer 12 may be, but not limited to, 10 μm, 15 μm, 18 μm, 20 μm, 25 μm, 30 μm, 35 μm, 45 μm, or the like.
In the related art, two transparent conductive layers 12 are used in the light modulation film 10 to achieve the effect of turning on and off the electricity. In this application, adopt metal level 14 to replace one of them transparent conducting layer 12, this metal level 14 can enough play electrically conductive effect, simultaneously because the reflectivity of metal level 14 is greater than 80%, make when polymer liquid crystal film is in penetrating state, membrane 10 of adjusting luminance can present the high reflection mirror surface effect of metal level 14 for membrane 10 of adjusting luminance's visual effect changes obviously, has richened membrane 10 of adjusting luminance's outward appearance.
In the present application, the reflectivity of the metal layer 14 is greater than 80%, and the metal layer has high reflectivity, and can exhibit a mirror effect under light irradiation. It is understood that the metal layer 14 having a reflectivity of greater than 80% means that the metal layer 14 has a reflectivity of greater than 80% in the visible range. Further, the reflectivity of the metal layer 14 is greater than 85%. Further, the reflectivity of the metal layer 14 is greater than 88%. In the present embodiment, the metal layer 14 is at least one of an aluminum layer, an indium layer, and a silver layer. Above-mentioned metal layer 14 has high reflectivity, promotes the high reflection mirror surface intensity of membrane 10 of adjusting luminance for the reflectivity of membrane 10 mirror surface effect reaches more than 85%. Specifically, the metal layer 14 may be, but is not limited to, an aluminum layer, an indium layer, a silver layer, a composite layer of aluminum layer and indium layer, a composite layer of aluminum layer and silver layer, and the like.
In the present embodiment, the thickness of the metal layer 14 is 80nm to 150 nm. The metal layer 14 having such a thickness has a high reflectivity and a mirror effect. Further, the thickness of the metal layer 14 is 90nm to 140 nm. Further, the thickness of the metal layer 14 is 100nm to 130 nm. Specifically, the thickness of the metal layer 14 may be, but is not limited to, 80nm, 85nm, 95nm, 100nm, 110nm, 120nm, 125nm, 135nm, or the like.
In the present application, the light adjusting film 10 achieves different appearance effects by switching on and off the transmittance of the polymer liquid crystal layer 13. The polymer liquid crystal layer 13 is in a transparent state when the power is on, and the polymer liquid crystal layer 13 is in a non-transparent state when the power is off, and the light adjusting film 10 is a forward film; when the power is turned on, the polymer liquid crystal layer 13 is in a non-transparent state, and when the power is turned off, the polymer liquid crystal layer 13 is in a transparent state, and the light adjusting film 10 is a reverse film. In this application, can realize the appearance of the different reflectivity mirror surface effects of membrane 10 of adjusting luminance through control voltage, reach the mirror surface effect of highest reflectivity when reaching saturation voltage or cutting off the power supply completely.
In one embodiment of the present application, the polymer liquid crystal layer 13 is a polymer dispersed liquid crystal layer (PDLC layer). The PDLC layer is a film formed by a polymer in which liquid crystal microdroplets are uniformly dispersed, when the liquid crystal microdroplets are in free orientation, the difference between the refractive index of light passing through the liquid crystal microdroplets and the refractive index of the light passing through the polymer is large, and the light is strongly scattered, so that the PDLC layer is in a non-transparent state and even in a milky white state; by controlling the orientation of the liquid crystal droplets so that the refractive index of light passing through the liquid crystal droplets is approximately the same as the refractive index of light passing through the polymer, the light is not reflected within the film but is directly transmitted out, and the PDLC layer assumes a transparent state. In one embodiment, the PDLC layer is a forward light modulating film 10. That is, by applying an electric field, the orientation of the liquid crystal droplets is controlled, so that the PDLC layer is transparent; at this time, when the power is turned on, the light adjusting film 10 has a mirror surface appearance, and when the power is turned off, the light adjusting film 10 has a matte surface appearance.
In another embodiment of the present application, the polymer liquid crystal layer 13 is a polymer network liquid crystal layer (PNLC layer). In contrast to the PDLC layer, the liquid crystals in the PNLC layer are not spherical or spheroidal droplets, but are distributed in a three-dimensional network of polymers, forming a network of continuous channels. In one embodiment, the PNLC layer is a reverse-dimming film 10. That is, the PNLC layer is transparent when no electric field is applied, and is non-transparent when an electric field is applied; at this time, when the power is turned off, the light adjusting film 10 has a mirror surface appearance, and when the power is turned on, the light adjusting film 10 has a matte surface appearance.
In the present application, the thickness of the polymer liquid crystal layer 13 may be selected as desired. In one embodiment of the present application, the polymer liquid crystal layer 13 has a thickness of 7 μm to 15 μm. In this application, the polymer liquid crystal layer 13 is thin, which is beneficial to reducing the thickness of the light modulation film 10 and meets the requirement of light and thin. Further, the polymer liquid crystal layer 13 has a thickness of 8 μm to 14 μm. Further, the polymer liquid crystal layer 13 has a thickness of 9 μm to 13 μm. Specifically, the thickness of the polymer liquid crystal layer 13 may be, but not limited to, 7 μm, 8 μm, 9 μm, 10 μm, 11 μm, 12 μm, 13 μm, 14 μm, 15 μm, or the like, respectively.
In the present embodiment, the polymer liquid crystal layer 13 has pigment molecules dispersed therein. By providing the pigment molecules in the polymer liquid crystal layer 13, the polymer liquid crystal layer 13 can have both transparent and non-transparent states and also have colors in both transparent and non-transparent states, thereby forming the appearance color of the light adjusting film 10. Specifically, the pigment molecule may be, but not limited to, red, yellow, green, purple, blue, orange, brown, and the like.
Referring to fig. 2, a schematic structural view of a light modulation film according to another embodiment of the present application is substantially the same as fig. 1, except that the light modulation film 10 further includes a light-transmitting decorative layer 16, and the light-transmitting decorative layer 16 is disposed on a side surface of the first transparent polymer layer 11 away from the transparent conductive layer 12. The appearance of light modulating film 10 is further enhanced by the provision of light transmissive decorative layer 16. In the present embodiment, the light transmission of light-transmitting decorative layer 16 is greater than or equal to 80%. As can be appreciated, the light transmittance of light transmissive decorative layer 16 is the transmittance in the visible wavelength range. Specifically, the light transmittance of the light-transmissive decorative layer 16 may be, but is not limited to, 80%, 82%, 85%, 88%, 89%, 90%, 92%, or the like.
In the present embodiment, light transmissive decorative layer 16 is at least one of a color layer, an optical film layer, and a texture layer. By arranging the color layer, the light-transmitting decorative layer 16 has a color appearance, and the color of the light adjusting film 10 is obviously changed when the power is turned on or off; by arranging the optical film layer, the light adjusting film 10 has a changing effect of light and shadow flowing; by providing the texture layer, the light adjusting film 10 has a textured appearance. Specifically, the light transmissive decorative layer 16 can be, but is not limited to, a color layer, an optical film layer, a texture layer, a composite layer of a color layer and an optical film layer, a composite layer of a color layer and a texture layer, a composite layer of an optical film layer and a texture layer, or a composite layer of a color layer and an optical film layer and a texture layer. In the present application, the thicknesses of the color layers may be, but are not limited to, 3 μm to 20 μm, respectively; the thickness of the optical film layer may be, but is not limited to, 50nm to 650nm, respectively; the thickness of the texture layer may be, but is not limited to, 8 μm to 15 μm, respectively; the color layer may be, but is not limited to, yellow, orange, red, blue, green, purple, white, black, and the like. In one embodiment, the light transmissive decorative layer 16 may also include an identification layer therein. Through setting up the identification layer, can present information such as characters, trade mark, the outward appearance of membrane 10 of adjusting luminance abundantly more.
In the embodiment of the present application, the thickness of the light adjusting film 10 is 80 μm to 150 μm. By providing the light adjusting film 10 with the above thickness, it is advantageous for application to electronic devices. Further, the thickness of the light adjusting film 10 is 90 μm to 140 μm. Further, the thickness of the light adjusting film 10 is 110 μm to 135 μm. Specifically, the thickness of the light adjusting film 10 may be, but not limited to, 85 μm, 95 μm, 100 μm, 105 μm, 110 μm, 115 μm, 120 μm, 130 μm, 140 μm, 150 μm, or the like.
In one embodiment of the present application, when the light adjusting film 10 exhibits the matte effect, the reflectance of the light adjusting film 10 is not more than 15%. It is understood that the reflectance of the light adjusting film 10 refers to the reflectance of the surface of the first transparent polymer layer 11 on the side away from the transparent conductive layer 12. Further, when the light adjusting film 10 exhibits the matte effect, the reflectance of the light adjusting film 10 is not more than 10%. Further, when the light adjusting film 10 exhibits the matte effect, the reflectance of the light adjusting film 10 is not more than 5%. Thereby making light adjusting film 10 in an opaque, matte state. In another embodiment of the present application, when the light modulation film 10 exhibits a mirror effect, the reflectance of the light modulation film 10 is not less than 78%. Further, when the light modulation film 10 exhibits a mirror effect, the reflectance of the light modulation film 10 is not less than 85%. Further, when the light adjusting film 10 exhibits a mirror effect, the reflectance of the light adjusting film 10 is not less than 90%. Thereby causing light adjusting film 10 to exhibit a highly reflective mirror effect. In another embodiment of the present application, when the light adjusting film 10 exhibits the matte effect, the reflectance of the light adjusting film 10 is not more than 15%, and when the light adjusting film 10 exhibits the mirror effect, the reflectance of the light adjusting film 10 is not less than 78%. Further, when the light modulation film 10 is in the matte effect, the reflectance of the light modulation film 10 is not more than 10%, and when the light modulation film 10 is in the mirror effect, the reflectance of the light modulation film 10 is not less than 85%. Further, when light adjusting film 10 is in the matte effect, the reflectivity of light adjusting film 10 is not more than 5%, and when light adjusting film 10 is in the mirror effect, the reflectivity of light adjusting film 10 is not less than 90%.
The application provides a membrane 10 of adjusting luminance can realize the conversion of the outward appearance effect of matte and high mirror surface, and the while is the thickness that does not increase membrane 10 of adjusting luminance again, satisfies its application demand.
The present application also provides a housing assembly 100 including the light adjusting film 10 of any of the above embodiments. Referring to fig. 3, a schematic structural diagram of a housing assembly according to an embodiment of the present disclosure is shown, in which the housing assembly 100 includes a housing body 20 and a light modulation film 10 disposed on a surface of the housing body 20. By providing the light adjusting film 10, the appearance effect of the housing assembly 100 can be greatly improved.
In the present application, the thickness of the case body 20 is not particularly limited. Specifically, the thickness of the housing body 20 may be, but is not limited to, 0.1mm to 1mm, such as 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, or 0.9 mm. In the present application, the specific shape and size of the housing body 20 are not limited, and may be selected and designed according to actual needs, for example, the shape of the housing body 20 may be a 2D shape, a 2.5D shape, a 3D shape, and the like, and the housing body 20 may be, but is not limited to, a rear case, a middle frame, and the like of an electronic device. In the present application, the material of the housing body 20 can be, but is not limited to, any known material that can be used for the electronic device housing assembly 100, such as plastic, glass, etc. It will be appreciated that the housing body 20 has oppositely disposed inner and outer surfaces. In one embodiment of the present application, the light adjusting film 10 is disposed on the outer surface of the housing body 20, and the second transparent polymer layer 15 is disposed between the housing body 20 and the metal layer 14. In another embodiment of the present application, the housing body 20 is a transparent housing, the light adjusting film 10 is disposed on the inner surface of the transparent housing, and the first transparent polymer layer 11 is between the housing body 20 and the transparent conductive layer 12. In one embodiment, the housing body 20 may be a glass housing or a plastic housing.
The present application further provides an electronic device comprising the housing assembly 100 of any of the above embodiments. It is understood that the electronic device may be, but is not limited to, a cell phone, a tablet, a laptop, a watch, MP3, MP4, GPS navigator, digital camera, etc. The following description will be given taking a mobile phone as an example. Referring to fig. 4, which is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure, the electronic device includes a housing assembly 100 and a control circuit, and the control circuit is electrically connected to the light adjusting film 10. In this application, the control circuit is configured to receive a control command, and the control command is configured to control the light modulation film 10 to implement conversion between the fog surface and the high reflection mirror surface.
In the present embodiment, the transparent conductive layer 12 and the metal layer 14 in the light adjusting film 10 are electrically connected to a control circuit. In an embodiment, the electronic device further comprises a flexible circuit board. The light adjusting film 10 is connected with the control circuit through the flexible circuit board, so that the fog surface and the high-reflection mirror surface of the light adjusting film 10 are switched, and the appearance of the electronic device is changed.
The application provides an electronic equipment's outward appearance effect variability is strong, and visual effect is abundant, and the interactivity is better, has greatly promoted the competitiveness of product.
Example 1
A light-adjusting film comprises a first PET layer, an ITO layer, a PDLC layer, an Al layer and a second PET layer which are sequentially stacked, wherein the thickness of the first PET layer and the thickness of the second PET layer are 50 μm, the thickness of the ITO layer is 20nm, the thickness of the PDLC layer is 9 μm, the thickness of the Al layer is 100nm, and the nematic liquid crystal E8: high molecular prepolymer NOA 65: photoinitiator 651 by mass ratio of 48.5%: 50%: 1.5 percent of the mixture is mixed, then 4-cyano-3-fluorophenyl 4-heptyl benzoate liquid crystal molecules are added for mixed coating, and the light intensity is 3mW/cm2Curing the UV light source for 30min to form a PDLC layer. The light-adjusting film was detected, and the reflectance of the light-adjusting film on the surface of the first transparent polymer layer was detected by controlling the voltage (0V to 25V) applied to the light-adjusting film, and as a result, as shown in fig. 5, it was seen that the light-adjusting film was in a low reflectance state when no voltage was applied; after reaching the threshold voltage, the reflectance of the light-modulating film begins to increase rapidly; after the saturation voltage is reached, the reflectivity of the light adjusting film reaches the maximum, and the high-reflection mirror effect is realized.
The foregoing detailed description has been presented to illustrate and describe the principles and embodiments of the present application, and the foregoing description is provided merely to facilitate an understanding of the present application and its core concepts; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (10)

1. The light adjusting film is characterized by comprising a first transparent polymer layer, a transparent conducting layer, a polymer liquid crystal layer, a metal layer and a second transparent polymer layer which are sequentially stacked, wherein the reflectivity of the metal layer is larger than 80%.
2. The light adjusting film according to claim 1, wherein the metal layer is an aluminum layer, an indium layer, or a silver layer.
3. The light adjusting film according to claim 1, wherein the metal layer has a thickness of 80nm to 150 nm.
4. The light adjusting film of claim 1, further comprising a light-transmissive decorative layer disposed on a surface of said first transparent polymer layer on a side remote from said transparent conductive layer; the light-transmitting decorative layer is at least one of the color layer, the optical film layer and the texture layer.
5. The light-adjusting film according to claim 1, wherein the first transparent polymer layer is at least one of a polyethylene terephthalate layer, a cycloolefin polymer layer, a polystyrene layer, a polycarbonate layer, and a polymethyl methacrylate layer; the thickness of the first transparent polymer layer is 30-80 μm;
the second transparent polymer layer is at least one of a polyethylene terephthalate layer, a cycloolefin polymer layer, a polystyrene layer, a polycarbonate layer and a polymethyl methacrylate layer; the second transparent polymer layer has a thickness of 30 μm to 80 μm.
6. The light-adjusting film according to claim 1, wherein the transparent conductive layer is at least one of an indium tin oxide layer, a zinc tin oxide layer, and an indium zinc oxide layer; the thickness of the transparent conducting layer is 10nm-50 nm;
the polymer liquid crystal layer is a polymer dispersed liquid crystal layer or a polymer network liquid crystal layer; the thickness of the polymer liquid crystal layer is 7-15 μm.
7. The light-adjusting film according to claim 1, wherein the thickness of the light-adjusting film is 80 μm to 150 μm.
8. The utility model provides a casing subassembly, its characterized in that is in including casing body and setting the membrane of adjusting luminance on casing body surface, the membrane of adjusting luminance is including the first transparent polymer layer, transparent conducting layer, polymer liquid crystal layer, metal level and the transparent polymer layer of second that stack gradually the setting, the reflectivity of metal level is greater than 80%.
9. The housing assembly of claim 8, wherein the housing body is a transparent housing, the light modulating film is disposed on an inner surface of the housing body, and the first transparent polymer layer is disposed between the housing body and the transparent conductive layer.
10. The utility model provides an electronic equipment, its characterized in that, includes casing subassembly and control circuit, casing subassembly includes the casing body and sets up the membrane of adjusting luminance on casing body surface, the membrane of adjusting luminance is including the first transparent polymer layer, transparent conducting layer, polymer liquid crystal layer, metal level and the transparent polymer layer of second that stack gradually the setting, the reflectivity of metal level is greater than 80%, control circuit with the membrane electricity of adjusting luminance is connected.
CN202120688046.2U 2021-04-02 2021-04-02 Light adjusting film, housing assembly and electronic device Active CN214335402U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114815363A (en) * 2022-05-17 2022-07-29 武汉华星光电半导体显示技术有限公司 Display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114815363A (en) * 2022-05-17 2022-07-29 武汉华星光电半导体显示技术有限公司 Display device

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