CN114967200A - Color-changing diaphragm, shell assembly and electronic equipment - Google Patents

Abstract

The application provides a diaphragm discolours, be in including first decorative layer and setting at least one dimming structure on first decorative layer surface, first decorative layer has the colour, each dimming structure includes membrane of adjusting luminance and second decorative layer, just the membrane of adjusting luminance sets up the second decorative layer with between the first decorative layer, the second decorative layer is euphotic layer. The color-changing diaphragm provided by the application can change the color of the color-changing diaphragm by arranging the light-adjusting structure, so that the color is changed, and the appearance of the color-changing diaphragm is enriched; meanwhile, the color-changing membrane has wide color selectable range and can realize various color appearances. The application also provides a shell assembly and an electronic device comprising the color-changing membrane.

Description

Color-changing diaphragm, shell assembly and electronic equipment

Technical Field

The application belongs to the technical field of electronic equipment, concretely relates to diaphragm, casing subassembly and electronic equipment discolour.

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.

Disclosure of Invention

In view of this, the application provides a diaphragm discolours that can realize the colour change, and outward appearance expressive force is strong, and visual effect is abundant, is favorable to using in electronic equipment, promotes electronic equipment's product competitiveness.

In a first aspect, the present application provides a color-changing film, including first decorative layer and setting at least one dimming structure on first decorative layer surface, first decorative layer has the colour, each dimming structure includes membrane of adjusting luminance and second decorative layer, just the membrane of adjusting luminance sets up the second decorative layer with between the first decorative layer, the second decorative layer is the euphotic layer.

In a second aspect, the application provides a housing assembly, be in including casing body and setting the diaphragm that discolours on casing body surface, the diaphragm that discolours includes first decorative layer and sets up the structure of adjusting luminance of at least one on first decorative layer surface, first decorative layer has the colour, each the structure of adjusting luminance includes membrane and the second decorative layer of adjusting luminance, just the membrane setting of adjusting luminance is in the second decorative layer with between the first decorative layer, the second decorative layer is the euphotic layer.

The third aspect, this application provides an electronic equipment, including casing subassembly and control circuit, casing subassembly includes the casing body and sets up discolour the diaphragm on the casing body, discolour the diaphragm and include first decorative layer and set up at least one structure of adjusting luminance on first decorative layer surface, first decorative layer has the colour, each the structure of adjusting luminance includes membrane and the second decorative layer of adjusting luminance, just the membrane setting of adjusting luminance is in the second decorative layer with between the first decorative layer, the second decorative layer is the euphotic layer, control circuit with the membrane electricity of adjusting luminance is connected.

The color-changing diaphragm provided by the application can change the color of the color-changing diaphragm by arranging the light-adjusting structure, so that the color is changed, and the appearance of the color-changing diaphragm is enriched; meanwhile, the color-changing membrane has wide color selectable range and can realize various color appearances. The visual effect that has the casing subassembly and the electronic equipment of this diaphragm that discolours 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 diagram of a color-changing film provided in an embodiment of the present application.

Fig. 2 is a schematic structural view of a light modulation film according to an embodiment of the present application.

Fig. 3 is a schematic structural view of a light modulation film provided in another embodiment of the present application.

Fig. 4 is a schematic structural view of a light modulation film according to another embodiment of the present application.

Fig. 5 is a schematic structural diagram of a color-changing film provided in another embodiment of the present application.

Fig. 6 is a schematic structural diagram of a color-changing film provided in another embodiment of the present application.

Fig. 7 is a schematic structural diagram of a color-changing film provided in another embodiment of the present application.

Fig. 8 is a schematic structural diagram of a color-changing film provided in another embodiment of the present application.

Fig. 9 is a schematic structural diagram of a color-changing film provided in another embodiment of the present application.

Fig. 10 is a schematic structural diagram of a color-changing film provided in another embodiment of the present application.

Fig. 11 is a structural schematic diagram of a housing assembly provided in an embodiment of the present application.

Fig. 12 is a schematic structural diagram of an electronic device according to an embodiment of the present application.

Fig. 13 is a schematic view illustrating connection between a light modulation film and a flexible circuit board according to an embodiment of the present application.

Description of reference numerals:

the light-adjustable LED lamp comprises a first decoration layer-10, a light-adjusting structure-20, a light-adjusting film-21, a second decoration layer-22, a first transparent conductive layer-211, a second transparent conductive layer-212, a polymer dispersed liquid crystal layer-213, a polymer network liquid crystal layer-214, a first metal wire-215, a second metal wire-216, a first color layer-11, a first optical film layer-12, a first texture layer-13, a non-conductive metal layer-14, a second color layer-221, a second optical film layer-222, a second texture layer-223, a first connecting layer-30, a second connecting layer-40, a color-changing film-100, a shell body-200, a shell assembly-300 and a flexible circuit board-400.

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 the application of other processes and/or the use of other materials.

Referring to fig. 1, which is a schematic structural diagram of a color-changing film according to an embodiment of the present disclosure, a color-changing film 100 includes a first decoration layer 10 and at least one light modulation structure 20 disposed on a surface of the first decoration layer 10, the first decoration layer 10 has a color, each light modulation structure 20 includes a light modulation film 21 and a second decoration layer 22, the light modulation film 21 is disposed between the second decoration layer 22 and the first decoration layer 10, and the second decoration layer 22 is a transparent layer.

In this application, the color-changing film 100 includes the first decoration layer 10 and the dimming structure 20, and by controlling the dimming film 21 in the dimming structure 20, the color-changing film 100 can have the color effect of the first decoration layer 10, or the color effect of the superposition of the first decoration layer 10 and the dimming structure 20, so as to change color. Meanwhile, the selectable range of colors of first decorative layer 10 and second decorative layer 22 is not limited, so that the color-changing film 100 has strong color variability and can realize various color appearances. In the related technology, the appearance effect of the film sheet only adopting the decorative layer is single, and the color change effect is avoided; when the electrochromic material is adopted to realize color change, the color change effect is fixed due to the fixed color change of the electrochromic material, and various color changes cannot be realized. The colors of first decorative layer 10 and second decorative layer 22 in this application can be selected as desired so that color changing film 100 can have different color appearances; this diaphragm 100 discolours can realize the change of two kinds of colours wantonly at least, and outward appearance colour design range is wide, and visual effect is abundant, has greatly promoted diaphragm 100 discolours's outward appearance expressive force.

In this application, have at least one structure 20 of adjusting luminance in the diaphragm 100 that discolours, each structure 20 of adjusting luminance includes membrane 21 and the second decorative layer 22 of adjusting luminance, and membrane 21 of adjusting luminance sets up between second decorative layer 22 and first decorative layer 10, and second decorative layer 22 is the euphotic layer. That is, the dimming film 21 in dimming configuration a is disposed between the first decorative layer 10 and the second decorative layer 22 in dimming configuration a, which is any one of the at least one dimming configuration 20.

In the present application, the light adjusting film 21 is in a transparent state and a non-transparent state when the power is turned on or off, so that the color of the color changing film 100 is changed by matching with the first decoration layer 10 and the second decoration layer 22.

In the embodiment of the present application, the light adjusting film 21 is a forward light adjusting film or a reverse light adjusting film. The positive dimming film is in a transparent state under the power-on condition and in a non-transparent state under the power-off condition; the reverse light adjusting film is in a non-transparent state when the power is on and in a transparent state when the power is off. It is understood that the plurality of dimming films 21 in the plurality of dimming structures 20 may be the same type or different types, so that different appearance effects can be realized by switching on and off the power.

In one embodiment of the present application, the light adjusting film 21 is a polymer dispersed liquid crystal film (PDLC film). The PDLC film is a film formed by a polymer in which liquid crystal microdroplets are uniformly dispersed, when the liquid crystal microdroplets are freely oriented, 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 film is non-transparent and even milky; 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 but directly transmitted within the film, and the PDLC film assumes a transparent state. In one embodiment, the PDLC film is a forward dimming film. That is, by applying an electric field, the orientation of liquid crystal droplets is controlled, and the PDLC film is made transparent. Referring to fig. 2, which is a schematic structural diagram of a light modulation film according to an embodiment of the present disclosure, the light modulation film 21 is a PDLC film, and the PDLC film includes a first transparent conductive layer 211, a polymer dispersed liquid crystal layer 213, and a second transparent conductive layer 212, which are stacked. The PDLC film can be connected to an external circuit by providing the first transparent conductive layer 211 and the second transparent conductive layer 212, and a transparent effect of the PDLC film is achieved by applying a voltage to the polymer dispersed liquid crystal layer 213 through the first transparent conductive layer 211 and the second transparent conductive layer 212.

In one embodiment of the present application, the light adjusting film 21 is a polymer network liquid crystal film (PNLC film). In contrast to PDLC films, the liquid crystals in PNLC films are not spherical or spheroidal droplets, but rather are distributed in a three-dimensional network of polymers, forming a network of continuous channels. In one embodiment, the PNLC film is a reverse-dimming film. That is, the PNLC film is transparent when no electric field is applied, and is non-transparent when an electric field is applied. Referring to fig. 3, which is a schematic structural diagram of a light modulation film according to another embodiment of the present disclosure, the light modulation film 21 is a PNLC film, and the PNLC film includes a first transparent conductive layer 211, a polymer network liquid crystal layer 214, and a second transparent conductive layer 212, which are stacked. The first transparent conductive layer 211 and the second transparent conductive layer 212 are arranged, so that the PDLC film can be connected with an external circuit, and a voltage is applied to the polymer network liquid crystal layer 214 through the first transparent conductive layer 211 and the second transparent conductive layer 212, so that the opaque effect of the PDLC film is realized.

In the present application, the thicknesses of the polymer dispersed liquid crystal layer 213 and the polymer network liquid crystal layer 214 may be selected as needed. In an embodiment of the present application, the thicknesses of the polymer dispersed liquid crystal layer 213 and the polymer network liquid crystal layer 214 may be, but are not limited to, 10 μm to 100 μm, respectively. Specifically, the thicknesses of the polymer dispersed liquid crystal layer 213 and the polymer network liquid crystal layer 214 may be, but are not limited to, 10 μm, 15 μm, 20 μm, 35 μm, 50 μm, 60 μm, 70 μm, 85 μm, 90 μm, or 100 μm, respectively.

In one embodiment of the present application, the first transparent conductive layer 211 includes a first substrate layer and a first conductive layer, and the first conductive layer is disposed between the first substrate layer and the second transparent conductive layer 212. In another embodiment of the present application, the second transparent conductive layer 212 includes a second substrate layer and a second conductive layer, and the second conductive layer is disposed between the second substrate layer and the first transparent conductive layer 211.

In the embodiment of the present application, the first substrate layer and the second substrate layer are plastic layers. By arranging the plastic layer, the flexibility of the first transparent conductive layer 211 and the second transparent conductive layer 212 is improved. Further, the material of the plastic layer comprises at least one of polyethylene terephthalate, polystyrene, polycarbonate and polymethyl methacrylate. Specifically, the first substrate layer and the second substrate layer may be, but not limited to, polyethylene terephthalate layers. In a specific embodiment, the thicknesses of the first substrate layer and the second substrate layer may be, but are not limited to, 50 μm to 300 μm, respectively. The thickness of first substrate layer and second substrate layer can be the same also can be different, and the thickness of first substrate layer and second substrate layer can enough guarantee good mechanical properties, light transmissivity and bending performance within the above-mentioned thickness scope, still can not make membrane 21 of adjusting luminance too thick, accords with frivolous development trend. Specifically, the thicknesses of the first substrate layer and the second substrate layer may be, but are not limited to, 50 μm, 70 μm, 85 μm, 100 μm, 125 μm, 150 μm, 185 μm, 200 μm, 220 μm, 250 μm, 280 μm, or the like, respectively.

In the embodiment of the present application, the first conductive layer and the second conductive layer are made of at least one material selected from the group consisting of indium tin oxide, indium zinc oxide, fluorine-doped tin oxide, and aluminum-doped zinc oxide. The material of the first conductive layer and the material of the second conductive layer may be the same or different. The first conductive layer and the second conductive layer are formed by adopting the materials, so that the conductive film has good conductivity, the state change of the light adjusting film 21 is rapid, the conductive layers have good light transmittance, and the color changing effect is ensured. In a specific embodiment, the thicknesses of the first conductive layer and the second conductive layer may be, but are not limited to, 50nm to 200nm, respectively. The first conducting layer and the second conducting layer with the thickness have better service performance. Specifically, the thicknesses of the first conductive layer and the second conductive layer may be, but are not limited to, 60nm, 75nm, 90nm, 100nm, 120nm, 130nm, 150nm, 160nm, 180nm, 190nm, 200nm, or the like, respectively.

In the present application, the first conductive layer and the second conductive layer may be, but are not limited to, formed by deposition, coating, etc., such as vacuum evaporation, sputtering, spin coating, etc., and the polymer dispersed liquid crystal layer 213 and the polymer network liquid crystal layer 214 may be, but are not limited to, formed by coating. In an embodiment, a conductive material may be coated on the plastic layer, and dried to obtain the first transparent conductive layer 211 and the second transparent conductive layer 212; and coating the polymer dispersed liquid crystal or the polymer network liquid crystal on the surface of the first transparent conductive layer 211 and covering the second transparent conductive layer 212, and drying to obtain the light adjusting film 21.

Please refer to fig. 4, which is a schematic structural diagram of a light modulation film according to another embodiment of the present application, taking a PDLC film as an example for description, wherein an orthographic projection of the polymer dispersed liquid crystal layer 213 on the first transparent conductive layer 211 completely falls on a surface of the first transparent conductive layer 211 and covers a portion of the first transparent conductive layer 211, an orthographic projection of the polymer dispersed liquid crystal layer 213 on the second transparent conductive layer 212 completely falls on a surface of the second transparent conductive layer 212 and covers a portion of the second transparent conductive layer 212, the light modulation film 21 further includes a first metal trace 215 and/or a second metal trace 216, the first metal trace 215 is disposed on the first transparent conductive layer 211, and the second metal trace 216 is disposed on the second transparent conductive layer 212. In an embodiment, the first metal trace 215 may extend along an edge of the first transparent conductive layer 211 and be electrically connected to the first transparent conductive layer 211; the second metal trace 216 may extend along an edge of the second transparent conductive layer 212 and be electrically connected to the second transparent conductive layer 212. The first metal trace 215 and the second metal trace 216 may include but are not limited to a multi-layer trace structure of silver paste, copper plating, aluminum plating, molybdenum aluminum molybdenum, or the like. In an embodiment, the polymer dispersed liquid crystal layer 213 may cover a portion of the surface of the first transparent conductive layer 211 and the surface of the second transparent conductive layer 212 during the coating process to form the above-mentioned dislocated structure. In another embodiment, the first transparent conductive layer 211 and the polymer dispersed liquid crystal layer 213 may be cut to expose a portion of the surface of the second transparent conductive layer 212 for disposing the second metal trace 216, and the second transparent conductive layer 212 and the polymer dispersed liquid crystal layer 213 may be cut to expose a portion of the surface of the first transparent conductive layer 211 for disposing the first metal trace 215. Specifically, the cutting may be, but is not limited to, cutting with a laser. In another embodiment, when the light adjusting film 21 having the offset structure is attached to the second decorative layer 22, the periphery of the light adjusting film 21 may be filled with an adhesive to prevent evaporation of the liquid crystal material and ensure the effect of the light adjusting film 21. It is understood that other light adjusting films 21 such as PNLC films can be designed in the same way as described above, and are not described in detail here.

In this application, the color-changing film 100 may have a plurality of dimming structures 20, and the plurality of dimming films 21 in the plurality of dimming structures 20 may be all PDLC films, all PNLC films, or a part of PDLC films and a part of PNLC films, which is not limited thereto.

In the embodiment of the present application, the light transmittance of the light adjusting film 21 is 80% or more. That is, the light adjusting film 21 can ensure a high transmittance before and after the power is turned on, and thus the appearance effect of the color changing film 100 can be better exhibited in a transparent state. It is understood that the light transmittance is a light transmittance at a wavelength band of 380nm to 780 nm. Specifically, the light transmittance of the light adjusting film 21 may be, but not limited to, 80%, 81%, 82%, 83%, 84%, 85%, or the like, and in the present embodiment, the absolute value of the difference in haze of the light adjusting film 21 before and after power on/off is greater than or equal to 70%. That is, the haze of the light adjusting film 21 before and after power-on and power-off is significantly different, so that the light adjusting film 21 exhibits a transition of the transparent and non-transparent effects. Specifically, the absolute value of the difference in haze of the light adjusting film 21 before and after power on/off is 70%, 72%, 73%, 75%, 76%, 78%, 80%, or the like. In one embodiment, the haze of the dimming film 21 is 10% or less in the power-on state, and the haze of the dimming film 21 is 80% or more in the power-off state; or the haze of the light modulation film 21 is 10% or less in the power-off state, and the haze of the light modulation film 21 is 80% or more in the power-on state. In another embodiment, the light transmittance of the light adjusting film 21 is greater than or equal to 80%, and the absolute value of the difference between the haze values of the light adjusting film 21 before and after power on/off is greater than or equal to 70%. That is, the light transmittance of the light adjusting film 21 is high when the power is turned on and off, and the transparent and non-transparent effects of the light adjusting film 21 are switched by controlling the haze. In a specific embodiment, the PDLC film has a haze of 10% or less in the power-on state, 80% or more in the power-off state, and a light transmittance of 80% or more. In another particular embodiment, the PNLC film has a haze of 10% or less in the off state, a haze of 80% or more in the on state, and a light transmittance of 80% or more.

In the embodiment of the present application, pigment molecules are dispersed in the light adjusting film 21. Through set up the pigment molecule in membrane 21 of adjusting luminance to can so that membrane 21 of adjusting luminance both has transparent and non-transparent two kinds of states, still has the colour under transparent and non-transparent two kinds of states simultaneously, further with first decorative layer 10 and second decorative layer 22 collocation, form the outward appearance colour of diaphragm 100 that changes colour. Further, the dye molecules are uniformly dispersed in the light adjusting film 21. Thereby making the color of the light adjusting film 21 uniform. Specifically, the pigment molecules may be, but not limited to, red, yellow, green, purple, blue, orange, brown, and the like, so that the light adjusting film 21 is colored and transparent in a transparent state and colored and opaque in a non-transparent state. In one embodiment, the pigment molecules are dispersed in the polymer dispersed liquid crystal layer 213 and/or the polymer network liquid crystal layer 214. Thereby imparting a color to the light adjusting film 21.

In the present application, second decorative layer 22 is a transparent layer, so that when dimming film 21 is in a transparent state, dimming structure 20 can superimpose the appearance effect of first decorative layer 10, and color-changing film 100 can present the superimposed visual effect. In the present embodiment, the light transmittance of second decorative layer 22 is greater than or equal to 80%. Specifically, the light transmittance of the second decorative layer 22 may be, but is not limited to, 80%, 82%, 85%, 88%, 89%, 90%, 92%, or the like.

In the present embodiment, the second decoration layer 22 includes at least one of a second color layer 221, a second optical film layer 222, and a second texture layer 223. By arranging the second color layer 221, the second decoration layer 22 has a color appearance, and the color of the color-changing film 100 is obviously changed when the power is turned on or off; by arranging the second optical film layer 222, the second decoration layer 22 has a changing effect of light and shadow flowing; by providing the second textured layer 223, the second decorative layer 22 has a textured appearance.

In the present embodiment, there is a color difference between the plurality of second decoration layers 22 in the plurality of light control structures 20. Thereby, the color-changing film 100 can show at least three color changes, the appearance variability is high, and the visual effect is excellent. Further, at least one of the texture, color, refractive index, transmittance, and glossiness of the plurality of second decorative layers 22 in the plurality of light controlling structures 20 may be different. Thereby, the appearance effects of the plurality of second decoration layers 22 are different, and the color-changing film 100 has different appearance effects by superposition. In one embodiment, the plurality of second decorative layers 22 differ in texture, including at least one of the type, width, height, length, arrangement, cross-sectional shape, curvature, period, location, and distribution of texture.

In the present embodiment, first decorative layer 10 includes at least one of first color layer 11, first optical film layer 12, first texture layer 13, and non-conductive metal layer 14. By arranging the first color layer 11, the first decoration layer 10 has a color appearance, and the color of the color-changing membrane 100 is obviously changed when the power is turned on or off; by arranging the first optical film layer 12, the first decoration layer 10 has a changing effect of light and shadow flowing; by providing first textured layer 13, first decorative layer 10 has a textured appearance; by providing non-conductive metal layer 14, first decorative layer 10 is provided with a metallic color and gloss.

In the present application, the thicknesses of the first color layer 11 and the second color layer 221 are not particularly limited. In an embodiment, the thicknesses of the first color layer 11 and the second color layer 221 may be, but not limited to, 3 μm to 20 μm, respectively, and specifically may be, but not limited to, 3 μm, 4 μm, 5 μm, 8 μm, 10 μm, 13 μm, 15 μm, 17 μm, 18 μm, or 20 μm, respectively. The thicknesses of the first color layer 11 and the second color layer 221 may be the same or different. In the embodiment of the present application, the first color layer 11 and the second color layer 221 may be formed by, but not limited to, at least one process of offset printing, screen printing, and thermal transfer printing. In an embodiment, the first color layer 11 and the second color layer 221 may be formed of ink having colors. The first color layer 11 and the second color layer 221 may have a single-layer structure or a multi-layer structure, and the colors of inks forming different layers may be the same or different. Specifically, the ink color may be, but is not limited to, yellow, orange, red, blue, green, violet, white, black, and the like. In an embodiment of the present application, the first color layer 11 may be a gradient color layer. In another embodiment of the present application, the second color layer 221 may be a gradient color layer. Therefore, the color-changing film 100 not only has a color-changing appearance, but also has a color-changing effect, and the visual effect is richer. In the present application, the first color layer 11 may be a light-transmitting layer or a light-non-transmitting layer, and may be specifically selected according to needs.

In the present embodiment, the first optical film layer 12 and the second optical film layer 222 may be made of inorganic materials or organic materials. Optionally, the organic substance comprises at least one of a polyether, a polyester, a fluoropolymer, and a silicon-containing polymer. When the first optical film layer 12 and/or the second optical film layer 222 are made of organic materials, the first optical film layer 12 and/or the second optical film layer 222 have good flexibility and good bending performance, and can be cut to obtain a required size. Optionally, the inorganic substance includes at least one of an inorganic oxide and an inorganic fluoride. Furthermore, the materials of the first optical film layer 12 and the second optical film layer 222 are respectivelySelection of TiO ₂ 、Ti ₃ O ₅ 、NbO ₂ 、Nb ₂ O ₃ 、Nb ₂ O ₂ 、Nb ₂ O ₅ 、Al ₂ O ₃ 、SiO ₂ And ZrO ₂ At least one of (1). In one embodiment, the first optical film 12 and the second optical film 222 are respectively selected from TiO ₂ Layer, Ti ₃ O ₅ Layer, NbO ₂ Layer, Nb ₂ O ₃ Layer, Nb ₂ O ₂ Layer, Nb ₂ O ₅ Layer of Al ₂ O ₃ Layer, SiO ₂ Layer and ZrO ₂ At least two of the layers. In a specific embodiment, the first optical film 12 and the second optical film 222 comprise Nb sequentially stacked ₂ O ₅ Layer, SiO ₂ Layer, Nb ₂ O ₅ Layer and SiO ₂ And (3) a layer. In the present application, the thicknesses of the first and second optical film layers 12 and 222 are not particularly limited. In an embodiment, the thicknesses of the first optical film layer 12 and the second optical film layer 222 may be, but are not limited to, 50nm to 650nm, and specifically may be, but is not limited to, 60nm, 100nm, 150nm, 200nm, 260nm, 335nm, 450nm, 500nm, 600nm, and the like. The thicknesses of the first optical film layer 12 and the second optical film layer 222 may be the same or different.

In the present application, the thickness of the first texture layer 13 and the second texture layer 223 is not particularly limited. In an embodiment, the thicknesses of the first texture layer 13 and the second texture layer 223 may be, but are not limited to, 8 μm to 15 μm, respectively, and specifically may be, but is not limited to, 8 μm, 9 μm, 10 μm, 11 μm, 12 μm, 13 μm, 14 μm, 15 μm, and the like. In the present embodiment, the surface of the first texture layer 13 has a plurality of first textures, and the surface of the second texture layer 223 has a plurality of second textures. By providing the first texture structure and the second texture structure, the first texture layer 13 and the second texture layer 223 have rich texture effects. In an embodiment, the first texture feature and the second texture feature differ in at least one of type, width, height, length, arrangement, cross-sectional shape, curvature, period, position, and distribution. Thereby enabling the color-changing film 100 to have not only color change but also texture change.

In the present application, the non-conductive metal layer 14 provides the housing with a metallic luster, thereby improving the metallic texture. In the present embodiment, the non-conductive metal layer 14 is made of a metal material, which may include, but is not limited to, indium, tin, or an indium-tin alloy. In the present embodiment, the thickness of the non-conductive metal layer 14 is 25nm to 50 nm. Further, the thickness of the non-conductive metal layer 14 is 30nm to 45 nm. Specifically, the thickness of the non-conductive metal layer 14 may be, but is not limited to, 25nm, 30nm, 35nm, 40nm, 45nm, or 50 nm.

In the present embodiment, an indicia layer is also included in first decorative layer 10 and/or second decorative layer 22. Through setting up the identification layer, can show information such as characters, trade mark, richen the outward appearance of the diaphragm 100 that discolours more. In one embodiment, first decorative layer 10 includes an identification layer. The logo layer presents the trademark information of the color-changing film 100, so that the visual effect is richer.

In the present application, first decorative layer 10 is colored by disposing first color layer 11, first optical film layer 12, and/or non-conductive metal layer 14, and second decorative layer 22 is colored by disposing second color layer 221 and/or second optical film layer 222. In one embodiment of the present application, color changing film 100 has a first color when energized and a second color when de-energized, one of the first color and the second color being the color of light modulating structure 20, and the other being the color of light modulating structure 20 superimposed on first decorative layer 10. Taking one light modulation structure 20 as an example, when the light modulation film 20 is a forward light modulation film, the first color is a color superimposed by the light modulation structure 20 and the first decoration layer 10, and the second color is a color of the light modulation structure 20; when the light adjusting film 20 is an inverse light adjusting film, the first color is the color of the light adjusting structure 20, and the second color is the color of the light adjusting structure 20 and the first decorative layer 10. In an embodiment, when the haze of the dimming film is below 10% and the transmittance is above 80%, the color-changing film 100 is a color obtained by superimposing the dimming structure 20 and the first decoration layer 10; when the haze of the dimming film is more than 80%, the color-changing film 100 is the color of the dimming structure 20. In another embodiment of the present application, the color changing membrane 100 has a first color when energizedHas a second color when power is off, and the Lab value of the first color is (L) ₁ ，a ₁ ，b ₁ ) And the Lab value of the second color is (L) ₂ ，a ₂ ，b ₂ ) Wherein L is ₁ 0 to 100, a ₁ Is-128 to 127, b ₁ Is-128 to 127, L ₂ 0 to 100, a ₂ Is-128 to 127, b ₂ Is-128 to 127. It can be understood that, through the internal layer structure of control color-changing diaphragm 100 to make color-changing diaphragm 100 under the condition of power on-off wide optional range, can carry out arbitrary selection from the colour, when the stack discolours simultaneously, thereby set up the color of each layer through calculating the superimposed effect. In an embodiment, the first decoration layer 10 is a blue metal film, the second decoration layer 22 is a semi-transparent purple color, and the light modulation film 21 is a milk white color under the power-off condition, so that the color-changing film 100 presents a pink effect superimposed by the second decoration layer 22 and the light modulation film 21; the dimming film 21 is colorless and transparent under the condition of being electrified, so that the color-changing film 100 has the effect of deep purple superimposed by the first decoration layer 10 and the second decoration layer 22. In another embodiment, the first decorative layer 10 is a blue metal film, the second decorative layer 22 is a texture layer, and the light adjusting film 21 is opaque and yellow in the power-off condition, so that the color-changing film 100 presents a yellow texture effect; the light adjusting film 21 is colorless and transparent under the power-on condition, so that the color-changing film 100 presents a green texture effect. Specifically, the color-changing film 100 may realize, but is not limited to, color changes of blue and green, color changes of black and gray, color changes of red and purple, and the like. Compared with the color change limited by the performance of the electrochromic material, the color change film 100 has the advantages of wide selectable range of color change effect, higher application value and stronger practicability. In one embodiment, L ₂ ＞L ₁ . The color brightness of second decorative layer 22 is higher than that of first decorative layer 10, and the color change effect between different color systems is more easily realized when the color is changed. In another embodiment, a ₁ And a ₂ The absolute value of the difference of (a) is greater than 10. Further, a ₁ And a ₂ The absolute value of the difference of (a) is greater than 20. Further, a ₁ And a ₂ The absolute value of the difference of (a) is greater than 30. In yet another embodiment, b ₁ And b ₂ Of the difference ofThe absolute value is greater than 10. Further, b ₁ And b ₂ The absolute value of the difference of (a) is greater than 20. Further, b ₁ And b ₂ The absolute value of the difference of (a) is greater than 30. In one embodiment, first decorative layer 10 includes a 1 μm logo layer, a 0.5 μm cyan layer, a 0.5 μm magenta layer, a 0.5 μm yellow layer, and a 0.7 μm black layer in a stacked arrangement, and second decorative layer 22 includes a 0.7 μm texture layer, a 1 μm logo layer, a 0.5 μm cyan layer, a 0.5 μm magenta layer, a 0.5 μm yellow layer, a 0.7 μm black layer, and a 0.5 μm optical film layer in a stacked arrangement. Thereby achieving rich color variation.

In the present embodiment, first decorative layer 10 and second decorative layer 22 have a color difference. Therefore, the color difference value of the color change of the color-changing membrane 100 is larger, obvious color change is realized, and even the conversion among different color systems is realized. In one embodiment, the color difference value of first decorative layer 10 and second decorative layer 22 is greater than 4. Further, the color difference value of first decorative layer 10 and second decorative layer 22 is greater than 6. Further, the color difference value of first decorative layer 10 and second decorative layer 22 is greater than 8. By designing the color difference value of the first decorative layer 10 and the second decorative layer 22, the color of the color-changing film 100 before and after power-on is obviously changed, and even color change of two unrelated colors can be realized.

Referring to fig. 1, a color-changing film 100 includes a light-adjusting structure 20, and the color-changing film 100 includes a first decorative layer 10, a light-adjusting film 21, and a second decorative layer 22 stacked in sequence. In another embodiment of the present application, the color changing film 100 includes a plurality of dimming structures 20. Through setting up a plurality of structures 20 of adjusting luminance, can be so that the change of more well colours of diaphragm 100 realization, product competitiveness obtains very big promotion. Referring to fig. 5, a schematic structural diagram of a color changing film according to another embodiment of the present application is different from that of fig. 1 in that the color changing film 100 has a plurality of light adjusting structures 20, and the light adjusting structures 20 are stacked. By controlling the on/off of the dimming structure 20, a change of at least two colors is achieved. Referring to fig. 6, a schematic structural diagram of a color changing film according to another embodiment of the present disclosure is different from that of fig. 1 in that the color changing film 100 has a plurality of light adjusting structures 20, and the light adjusting structures 20 are disposed in the same layer. Through the power-on and power-off of control regulation and control structure to realize discolouring of the different regions of the diaphragm 100 that discolours, make the diaphragm 100 that discolours can enough realize discolouing, can have the outward appearance of colliding the look again, and visual effect is abundant. In the present embodiment, the orthographic projection of second decorative layer 22 on first decorative layer 10 completely or partially covers first decorative layer 10. When the second decorative layer 22 is completely overlapped with the first decorative layer 10, the dynamic change of the whole color of the color-changing film 100 can be realized; when the second decorative layer 22 is partially overlapped with the first decorative layer 10, dynamic change of partial color of the color-changing film 100 and fixation of partial color can be realized, so that the spliced color appearance can be realized, and the effect is rich.

Referring to fig. 7, a schematic structural view of a color-changing film according to another embodiment of the present disclosure is shown, which is different from fig. 1 in that a first decorative layer 10 includes a first optical film layer 12, a first texture layer 13, a first color layer 11, and a non-conductive metal layer 14, which are stacked, and the first optical film layer 12 is disposed between the first texture layer 13 and a light modulation structure 20. So that first decorative layer 10 has an appearance effect of texture, color, metallic texture, and gloss variation. Specifically, first decorative layer 10 includes at least one of first color layer 11, first optical film layer 12, first texture layer 13, and non-conductive metal layer 14, which may be selected as desired.

Referring to fig. 8, a schematic structural view of a color-changing film according to another embodiment of the present disclosure is different from fig. 1 in that the second decoration layer 22 includes a second optical film layer 222, a second texture layer 223 and a second color layer 221, which are stacked, and the second color layer 221 is disposed between the second texture layer 223 and the first decoration layer 10. Thereby giving second decorative layer 22 the appearance of texture, color, and gloss variation. Specifically, the second decoration layer 22 includes at least one of the second color layer 221, the second optical film layer 222 and the second texture layer 223, which can be selected as needed.

Please refer to fig. 9, which is a schematic structural diagram of a color-changing film according to another embodiment of the present application, and the difference between the color-changing film 100 and fig. 1 is that the color-changing film further includes a first connection layer 30, and the first connection layer 30 is disposed between the first decoration layer 10 and the light modulation structure 20 to connect the first decoration layer 10 and the light modulation structure 20. Referring to fig. 10, a schematic structural view of a color changing film according to another embodiment of the present application is different from fig. 1 in that the color changing film 100 further includes a second connection layer 40, and the second connection layer 40 is disposed between the light adjusting film 21 and the second decorative layer 22 to connect the light adjusting film 21 and the second decorative layer 22. The first connecting layer 30 and the second connecting layer 40 are arranged, so that the internal structure of the color-changing membrane 100 is more tightly combined. Specifically, the first connection layer 30 and the second connection layer 40 may be, but not limited to, optical glue layers, so that connection between layer structures is ensured, and the light transmission effect is not affected.

In the embodiment of the present application, the thickness of the discoloration film 100 is 100 μm to 700 μm. By arranging the color-changing membrane 100 with the thickness, the weight and the volume of the color-changing membrane 100 are not increased too much, and the application of the color-changing membrane 100 in electronic equipment can be facilitated. Further, the thickness of the color-changing film 100 is 120 μm to 650 μm. Further, the thickness of the color-changing film 100 is 150 μm to 580 μm. Specifically, the thickness of the color-changing film 100 may be, but not limited to, 100 μm, 150 μm, 200 μm, 260 μm, 300 μm, 320 μm, 400 μm, 450 μm, 500 μm, 590 μm, 600 μm, 670 μm, or the like.

This application realizes the effect of discolouing of diaphragm 100 through the combination of adopting structure 20 and first decorative layer 10 of adjusting luminance, has promoted the outward appearance of diaphragm 100 that discolours for diaphragm 100 that discolours can realize dynamic color changing visual effect, is favorable to its application.

The present application further provides a housing assembly 300, which includes the color-changing diaphragm 100 of any of the above embodiments. Referring to fig. 11, which is a schematic structural diagram of a housing assembly according to an embodiment of the present disclosure, the housing assembly 300 includes a housing body 200 and a color-changing film 100 disposed on a surface of the housing body 200. By arranging the color-changing membrane 100, the appearance effect of the housing assembly 300 can be greatly improved.

In the present application, the thickness of the case body 200 is not particularly limited. Specifically, the thickness of the housing body 200 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 200 are not limited, and may be selected and designed according to actual needs, for example, the shape of the housing body 200 may be a 2D shape, a 2.5D shape, a 3D shape, etc., and the housing 20 may be, but is not limited to, a rear case, a middle frame, etc. of an electronic device. In the present application, the material of the housing body 200 may be, but is not limited to, any known material that can be used for the electronic device housing assembly 300, such as plastic, glass, etc. It will be appreciated that the housing body 200 has oppositely disposed inner and outer surfaces. In an embodiment of the present application, the color-changing film 100 is disposed on the outer surface of the case body 200, and the first decoration layer 10 is disposed between the case body 200 and the second decoration layer 22. In another embodiment of the present application, the housing body 200 is a transparent housing, the color-changing film 100 is disposed on the inner surface of the transparent housing, and the second decoration layer 22 is disposed between the transparent housing and the first decoration layer 10. Specifically, the housing body 200 may be a glass housing or a plastic housing.

The present application further provides an electronic device comprising the housing assembly 300 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. 12, 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 300 and a control circuit, and the control circuit is electrically connected to the light adjusting film 21.

In the embodiment of the present application, the electronic device further includes a flexible circuit board 400. The light adjusting film 21 is connected with the control circuit through the flexible circuit board 400, so that the transparent state and the non-transparent state of the light adjusting film 21 can be switched, and the color changing effect of the color changing film 100 and the housing assembly 300 can be realized. Please refer to fig. 13, which is a schematic connection diagram of a light modulation film and a flexible circuit board according to an embodiment of the present application, taking a PDLC film as an example for description, wherein the PDLC film has a first transparent conductive layer 211, a polymer dispersed liquid crystal layer 213, a second transparent conductive layer 212, a first metal trace 215 and a second metal trace 216, and the flexible circuit board 400 is connected to the first metal trace 215 and the second metal trace 216 of the PDLC film, so as to control power on and off of the PDLC film, and further realize color change of the color-changing film 100.

In the present application, the electronic apparatus includes a housing assembly 300 and a control circuit electrically connected to the dimming film 21 in the color-changing film 100; the control circuit is used for receiving a control instruction, and the control instruction is used for controlling the color changing of the color changing membrane 100. In one embodiment of the present application, the electronic device further includes a processor connected to the control circuit, and a signal input device connected to the processor, wherein the signal input device inputs a signal instruction to the processor, and the processor inputs a control instruction to the control circuit according to the signal instruction; the control circuit receives the control instruction and controls the color changing membrane 100 to change color. Specifically, the color changing film 100 can be controlled to change color by controlling the operating state of the light adjusting film 21, for example, changing the voltage or current signal state thereof.

In an embodiment of the present application, the signal input device may include at least one of a touch screen, a physical button, a sensor, and a communication module. In one embodiment, the signal input device includes a touch screen. The signal instruction input by the signal input device may be an instruction generated during a touch operation received by the touch screen when a certain interface is displayed. The touch operation may include any one of sliding, clicking, long-pressing and the like in a designated area of the interface. In another embodiment, the signal input device comprises a physical key. The signal instruction input by the signal input device can be a triggering instruction of a physical key. The physical key may be a key independent of other function keys, or may be a key that is activated by another function key (e.g., a power key, a volume key, etc.) of the electronic device, and the processor receives different signal commands according to different key activation modes (e.g., simultaneously pressing the power key and the volume key, etc.), so that the control circuit can control the light modulating film 21. In yet another embodiment, the signal input device signal comprises a sensor. The signal instruction may be an instruction received by a sensor. Specifically, the sensor may be a proximity sensor, a temperature sensor, an ambient light sensor, or the like, and the sensor may collect environmental information and/or internal information of the electronic device and generate a signal instruction based on the environmental information and/or the internal information. For example, the sensor acquires the internal temperature of the electronic device, generates a signal instruction and sends the signal instruction to the processor, when the processor judges that the internal temperature is greater than a preset temperature value, the processor generates a control instruction and sends the control instruction to the control circuit, and the control circuit receives the control instruction to enable the color changing film to change color, so that the purpose of reminding a user is achieved. In yet another embodiment, the signal input device includes a communication module. The signal instruction input by the signal input device can be short message, multimedia message, incoming call, mail and the like, and the short message, the multimedia message, the incoming call and the mail can be data information in application software in the electronic equipment. In a specific embodiment, the communication module receives a short message, a multimedia message, an incoming call or an email and the like, generates a signal instruction to the processor, the processor generates a control instruction according to the signal instruction and sends the control instruction to the control circuit, and the control circuit enables the color-changing film to change color according to the control instruction, so that the purpose of reminding a user is achieved. Furthermore, after a user reads a short message, a multimedia message, an incoming call or an email and the like, the communication module generates a signal instruction to the processor, the processor generates a control instruction according to the signal instruction and sends the control instruction to the control circuit, and the control circuit enables the color changing film to change color again according to the control instruction. In another specific embodiment, the communication module receives a short message, a multimedia message, an incoming call or an email and generates a signal instruction to the processor, the processor generates a control instruction according to the signal instruction and sends the control instruction to the control circuit, and the control circuit dynamically changes the color of the color-changing film according to the control instruction, so that the purpose of reminding a user is achieved. Further, the speed of color change of the color-changing diaphragm 100 can be controlled according to different types of information received by the communication module, for example, the color-changing diaphragm 100 can perform color conversion quickly when a call is received, and the color-changing diaphragm 100 can perform color conversion slowly when a short message is received. In another embodiment, when the communication module receives a short message, a multimedia message, an incoming call or an email and the like, a signal instruction is generated to the processor, when the processor judges that the short message, the multimedia message, the incoming call or the email and the like are preset contacts, the processor generates a control instruction and sends the control instruction to the control circuit, and the control circuit enables the color changing film to change color according to the control instruction, so that the purpose of reminding a user of receiving information of the preset contacts is achieved. For example, when there is information of a preset contact, the color changing film 100 rapidly changes dynamically.

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.

The foregoing detailed description has provided for the embodiments of the present application, and the principles and embodiments of the present application have been presented herein for purposes of illustration and description only and to facilitate understanding of the methods and their 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 (17)

1. The utility model provides a diaphragm discolours, its characterized in that includes first decorative layer and sets up at least one structure of adjusting luminance on first decorative layer surface, first decorative layer has the colour, each the structure of adjusting luminance includes membrane of adjusting luminance and second decorative layer, just the membrane of adjusting luminance sets up the second decorative layer with between the first decorative layer, the second decorative layer is the euphotic layer.

2. The color shifting film of claim 1 wherein said first decorative layer and said second decorative layer have a color difference.

3. The color-changing film according to claim 1, wherein the color-changing film comprises the first decorative layer, the light-adjusting film, and the second decorative layer, which are sequentially stacked.

4. The color changing film as claimed in claim 1, wherein the color changing film has a plurality of light adjusting structures, and the plurality of light adjusting structures are stacked or the plurality of light adjusting structures are disposed on the same layer.

5. The color shifting film of claim 4 wherein a plurality of said second decorative layers in a plurality of said light modulating structures have a color difference therebetween.

6. The color changing film as claimed in claim 1, wherein the color changing film has a first color when powered on and a second color when powered off, one of the first color and the second color being a color of the dimming structure, and the other being a color of the dimming structure superimposed on the first decoration layer.

7. The color-changing film according to claim 1, wherein the light-adjusting film is a polymer-dispersed liquid crystal film comprising a first transparent conductive layer, a polymer-dispersed liquid crystal layer, and a second transparent conductive layer, which are stacked.

8. The color changing film of claim 1 wherein said light adjusting film is a polymer network liquid crystal film comprising said first transparent conductive layer, a polymer network liquid crystal layer and said second transparent conductive layer in a stacked arrangement.

9. The color-changing film of claim 1 wherein pigment molecules are dispersed in said light modulating film.

10. The color-changing film according to claim 1, wherein said light-adjusting film is a forward light-adjusting film or a reverse light-adjusting film.

11. The color-changing film according to claim 1, wherein the light transmittance of the light-adjusting film is greater than or equal to 80%, and the absolute value of the difference between the haze values of the light-adjusting film before and after power-on is greater than or equal to 70%.

12. The color shifting film of claim 1 wherein said first decorative layer comprises at least one of a first color layer, a first optical film layer, a first texture layer, and a non-conductive metal layer; the second decorative layer includes at least one of a second color layer, a second optical film layer, and a second texture layer.

13. The color shifting film of claim 1 wherein an orthographic projection of said second decorative layer on said first decorative layer completely or partially covers said first decorative layer.

14. The color changing film as claimed in claim 1, wherein the color changing film further comprises a first connection layer disposed between the first decoration layer and the light adjusting structure to connect the first decoration layer and the light adjusting structure;

the color-changing membrane further comprises a second connecting layer, and the second connecting layer is arranged between the light-adjusting film and the second decorative layer so as to connect the light-adjusting film and the second decorative layer.

15. The utility model provides a shell assembly, its characterized in that is in including casing body and setting the diaphragm that discolours on casing body surface, the diaphragm that discolours includes first decorative layer and sets up at least one structure of adjusting luminance on first decorative layer surface, first decorative layer has the colour, each the structure of adjusting luminance includes membrane of adjusting luminance and second decorative layer, just the membrane of adjusting luminance sets up the second decorative layer with between the first decorative layer, the second decorative layer is the euphotic layer.

16. The housing assembly of claim 15 wherein the color changing membrane is disposed on an outer surface of the housing body and the first decorative layer is disposed between the housing body and the second decorative layer or the housing body is a transparent housing and the color changing membrane is disposed on an inner surface of the transparent housing and the second decorative layer is disposed between the transparent housing and the first decorative layer.

17. The utility model provides an electronic equipment, its characterized in that, includes casing subassembly and control circuit, the casing subassembly includes the casing body and sets up discolour the diaphragm on the casing body, discolour the diaphragm and include first decorative layer and set up at least one structure of adjusting luminance on first decorative layer surface, first decorative layer has the colour, each the structure of adjusting luminance includes membrane of adjusting luminance and second decorative layer, just the membrane of adjusting luminance sets up the second decorative layer with between the first decorative layer, the second decorative layer is the euphotic layer, control circuit with the membrane electricity of adjusting luminance is connected.

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