WO2019214389A1 - Film fonctionnel décoratif et module de couvercle arrière de dispositif électronique - Google Patents

Film fonctionnel décoratif et module de couvercle arrière de dispositif électronique Download PDF

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Publication number
WO2019214389A1
WO2019214389A1 PCT/CN2019/082288 CN2019082288W WO2019214389A1 WO 2019214389 A1 WO2019214389 A1 WO 2019214389A1 CN 2019082288 W CN2019082288 W CN 2019082288W WO 2019214389 A1 WO2019214389 A1 WO 2019214389A1
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WO
WIPO (PCT)
Prior art keywords
layer
micro
nano
functional film
carrier
Prior art date
Application number
PCT/CN2019/082288
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English (en)
Chinese (zh)
Inventor
高育龙
Original Assignee
昇印光电（昆山）股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201810622963.3A external-priority patent/CN110466208A/zh
Application filed by 昇印光电（昆山）股份有限公司 filed Critical 昇印光电（昆山）股份有限公司
Priority to US17/043,596 priority Critical patent/US20210029234A1/en
Publication of WO2019214389A1 publication Critical patent/WO2019214389A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets

Definitions

  • the present application relates to the technical field of electronic products, and in particular, to a decorative functional film and an electronic device back cover module.
  • a smart phone has become an indispensable companion for consumers to carry around. Consumers are also paying more and more attention to the experience, but the appearance and functions of existing smartphones tend to be homogenized and cannot meet individual needs. In this way, the differentiation of appearance and function has become a breakthrough point for smartphones.
  • the back cover of a smart phone is one of the important components of a mobile phone, but the existing smart phone back cover is a structural component with a single appearance.
  • a decorative functional film comprising:
  • the carrier includes a first surface and a second surface disposed opposite the first surface;
  • the first surface of the carrier is provided with a micro-nano structure to form a micro-nano layer, and the micro-nano structure is a convex and/or concave structure;
  • a reflective layer disposed on the micro-nano layer
  • a display structure is provided on one side of the carrier by an adhesive layer.
  • a substrate layer is further included, and the substrate layer is disposed on the second surface of the carrier.
  • the display structure is disposed on a side of the substrate layer away from the carrier by the bonding layer.
  • the display structure is disposed on a side of the carrier away from the substrate layer by the bonding layer.
  • the display structure is disposed on a side of the micro-nano layer away from the substrate layer by the bonding layer.
  • the display structure is disposed on a side of the reflective layer away from the substrate layer by the adhesive layer.
  • the display structure is disposed on a side of the colored layer away from the substrate layer by the bonding layer.
  • the method further includes a second micro-nano layer on either surface of the carrier, the micro-nano layer and the second micro-nano layer each exhibit an optical effect, or the micro-nano layer and the The second micro-nano layer interferes with each other to form an optical effect.
  • the micro/nano structure is at least one of a linear cylindrical mirror, a non-linear cylindrical mirror, a microlens, a small short line, a Fresnel lens, a wire drawing, and a CD pattern.
  • An electronic device back cover module comprising the decorative functional film according to any one of the above.
  • the decorative functional film is provided with a micro-nano layer, a reflective layer, a colored layer and a functional layer, which are both decorative and functional.
  • Figure 1 is a schematic cross-sectional view of a decorative functional film of the present application
  • FIG. 2 is a schematic cross-sectional view showing another decorative functional film of the present application.
  • Figure 3 is a schematic cross-sectional view showing another decorative functional film of the present application.
  • Figure 4 is a schematic cross-sectional view showing another decorative functional film of the present application.
  • Figure 5 is a schematic cross-sectional view showing another decorative functional film of the present application.
  • Figure 6 is a schematic plan view of the decorative functional film of the present application.
  • Figure 7 is a schematic cross-sectional view taken along line A-A' of Figure 6;
  • Figure 8 is a schematic cross-sectional view showing another decorative functional film of Figure 7;
  • Figure 9 is a schematic cross-sectional view showing another decorative functional film of Figure 7;
  • Figure 10 is a schematic cross-sectional view showing another decorative functional film of Figure 7;
  • Figure 11 is a schematic cross-sectional view showing another decorative functional film of Figure 7;
  • Figure 12 is a schematic cross-sectional view showing another decorative functional film of Figure 7;
  • Figure 13 is a schematic cross-sectional view showing another decorative functional film of Figure 7;
  • Figure 14 is a schematic cross-sectional view showing another decorative functional film of Figure 7;
  • Figure 15 is a schematic cross-sectional view showing another decorative functional film of Figure 7;
  • 16 is a schematic plan view of a back cover module of an electronic device according to the present application.
  • Figure 17 is a schematic cross-sectional view taken along line B-B' of Figure 16;
  • FIG. 18 is another schematic cross-sectional view of the back cover module of the electronic device of FIG. 17;
  • FIG. 19 is another schematic cross-sectional view of the back cover module of the electronic device of FIG. 17;
  • 20 is a schematic plan view of a back cover module of an electronic device according to the present application.
  • Figure 21 is a schematic cross-sectional view taken along line C-C' of Figure 20;
  • FIG. 22 is another schematic cross-sectional view of the back cover module of the electronic device of FIG. 21;
  • FIG. 23 is another schematic cross-sectional view of the back cover module of the electronic device of FIG. 21;
  • Figure 24 is a schematic cross-sectional view showing another decorative functional film of the present application.
  • Figure 25a is a schematic cross-sectional view showing another decorative functional film of the present application.
  • Figure 25b is a schematic cross-sectional view showing another decorative functional film of the present application.
  • Figure 25c is a schematic cross-sectional view showing another decorative functional film of the present application.
  • Figure 25d is a schematic cross-sectional view showing another decorative functional film of the present application.
  • Figure 25e is a cross-sectional view showing still another aspect of the decorative functional film of the present application.
  • the present application discloses a decorative functional film that combines decorative and functional properties.
  • the decorative functional film comprises a micro-nano layer, and the micro-nano structure in the micro-nano layer has an optical effect of reflection, refraction, transmission, etc., which produces an optical effect and enhances the decorative effect.
  • the decorative functional film includes a functional layer including an antenna, display, touch, wireless charging, NFC (Near Field Communication), active light output, and the like.
  • the present application discloses an electronic device back cover module having the decorative functional film, and the electronic device back cover module has better decoration and functionality, and meets the individual needs of appearance and function.
  • a decorative functional film is applied to the back cover of the mobile phone.
  • the decorative effect of the mobile phone is increased, and optical effects such as a light column, a stereoscopic effect, and the like are generated, and the display of colors, patterns, and the like is more clearly clear or more dazzling.
  • the functionality of the mobile phone is increased, for example, the back cover of the mobile phone: integrated with an antenna module and having an antenna function; integrated with a display module, having a power display, caller ID, information display, reminder function, etc.; integrated touch module with sliding Unlocking, fingerprint unlocking, volume adjustment, page turning function, switch machine, etc.; integrated wireless charging module with charging function; integrated with NFC module for payment, punching, etc. Integrated light-emitting module for active light extraction, added decoration or Information reminders, etc.
  • a decorative functional film comprises a micro-nano layer, an appearance layer and a functional layer which are laminated.
  • the micro-nano layer, the appearance layer or the functional layer does not limit the stacking order, and the micro-nano layer, the appearance layer or the functional layer may each be one or more layers, and when it is a plurality of layers, it may be a continuous superposition or a space superposition.
  • the micro-nano layer includes a micro-nano structure with a plurality of protrusions and/or depressions, and the complex micro-nano structure produces a special optical effect on the light.
  • the appearance layer includes at least one of a reflective layer, a colored layer, a colored layer, and a graphic layer, and displays a color, a graphic, and the like of the back cover.
  • the micro-nano layer cooperates with the appearance layer to increase the display effect of the appearance layer: brighter, clearer, more stereoscopic, more dazzling, etc.; or can form optical images, 3D images, suspended images, etc.; or can form rainbow lines, interference patterns, Tiger skin grain, CD grain, etc.; or can form light and bright lines, including straight lines, curved lines, dot patterns, cone patterns, apertures, etc.
  • the functional layer includes an antenna module composed of a conductive wire, a conductive mesh, a luminescent material, a display material, a display module, a touch module, a wireless charging module, an NFC module, and a light-emitting module.
  • the functional layer can realize its function alone, and can also cooperate with the micro-nano layer and the appearance layer to realize its functions: graphic illumination, graphic change, light and shadow change and so on.
  • the optical effect of the micro-nano layer, the color of the appearance layer, the graphic and the like may be set corresponding to the functional layer, and the function layer may be labeled, for example, a touch module corresponding to the functional layer, and the corresponding layer is provided with an arrow mark, and the arrow is left.
  • the decorative functional film may not have a micro-nano layer, and only includes an appearance layer and a functional layer, and the appearance layer includes at least one of a reflective layer, a colored layer, a colored layer, and a graphic layer.
  • the appearance layer has a graphic layer that cooperates with the functional layer.
  • the graphic layer is in the form of a battery, and the functional layer is a light-emitting or display module, which can be displayed in the graphic layer according to the amount of power.
  • a decorative functional film includes a micro-nano layer, a reflective layer, a colored layer, and a functional layer which are sequentially stacked.
  • the micro-nano layer includes a plurality of protrusions and/or recessed micro-nano structures
  • the reflective layer is coated on the micro-nano structure
  • the colored layer is coated on the reflective layer
  • the functional layer is formed on the colored layer.
  • the micro-nano layer is a UV adhesive layer
  • the micro-nano structure is an embossed convex and/or concave structure.
  • the micro/nano structure acts as an optical effect by reflecting, refracting, etc. the light.
  • the UV adhesive layer is a transparent colorless layer, but it can also be a colored UV adhesive with a certain transmittance.
  • the colored UV adhesive can be combined with the reflective layer and the colored layer to develop a decorative functional film, or can be separately used as a decorative function. When the film is developed, when the color is developed separately, the appearance layer is the micro-nano layer.
  • the micro/nano structure may be at least one of a linear cylindrical mirror, a non-linear cylindrical mirror, a microlens, a small short line, a Fresnel lens, a wire drawing, a CD pattern, and the like.
  • the micro-nano structures can be arranged at intervals and/or without spaces.
  • the cross-sectional shape of the micro-nano structure may be a triangle, a quadrangle, a polygon, an arc, an alien, or the like.
  • the parameters of the micro-nano structure are all the same or different, and the parameters include type, shape, length, width, height, curvature, angle, depth, position, and the like.
  • the reflective layer is a metal or non-metal layer having a reflective effect on the micro-nano structure layer. It can make the optical effect better, and also provide color for the decorative function film.
  • the colored layer is formed on the reflective layer, typically a dark ink layer, which is used to match the reflective layer to display color and to block display of the functional layer on the other side.
  • the functional layer is a conductive layer formed by a process such as laser printing, laser, embossing or the like.
  • the conductive layer may be a conductive wire or a conductive mesh disposed directly on the colored layer, or may be a conductive wire or a conductive mesh formed by coating a UV adhesive on the colored layer, filling the groove and filling the conductive material.
  • the conductive lines or conductive mesh can form an antenna, a wireless charging coil, a touch grid, an NFC grid, and the like.
  • the functional layer further comprises an insulating protective layer covering the conductive layer, the conductive layer further comprising a contact portion not covered by the insulating protective layer.
  • the contact portion is used for electrical connection with an external circuit or the like.
  • the functional layer is formed on the other side of the micro-nano layer relative to the reflective layer.
  • the functional layer includes a conductive layer or a display layer.
  • the conductive layer is a conductive wire or a conductive mesh, and the conductive layer can form an antenna, a wireless charging coil, a touch grid, an NFC grid, and the like.
  • the width of the conductive line or grid line of the conductive layer is outside the visible range of the human eye, or the conductive material of the conductive layer is a transparent conductive material such as ITO.
  • the conductive layer can also be visible to the human eye by a conductive line or grid line, which can be directly displayed outside, or the image is in the image layer.
  • the display layer is an OLED display layer, an LED display layer, a liquid crystal display layer, or the like. It may be a transparent layer such as an OLED display layer or a visible layer. When it is a visible layer, it occupies a part of the decorative functional film.
  • the decorative functional film and an electronic device back cover module comprise a decorative layer and a display structure
  • the decorative layer comprises a carrier
  • the micro-nano structure layer the carrier side is provided with a micro-nano structure, forming a micro a reflective layer
  • the reflective layer is disposed on a side of the micro/nano structure layer having a micro/nano structure
  • a colored layer disposed on a side of the reflective layer away from the micro-nano structure layer
  • a display structure is provided on one side of the carrier by an adhesive layer.
  • the carrier may be formed by a heat curing or photocuring polymer, in which case the carrier and the micro/nano structure layer are integrated, or the carrier comprises a substrate layer and a heat curing or photocuring layer, the heat curing Or the light-curing adhesive is provided with a micro-nano structure on the side away from the substrate layer to form a micro-nano structure layer.
  • the display structure is disposed on the side of the carrier away from the micro-nano structure layer through an adhesive layer, or the display structure is disposed on the side of the micro-nano structure layer having a micro-nano structure through an adhesive layer.
  • the decorative layer is provided with a visible window corresponding to the display structure area, so that the user can see the information displayed by the display structure from the side of the back cover; in another aspect, the display structure is disposed on the reflective layer side through the adhesive layer; In another aspect, the display structure is disposed on one side of the colored layer through an adhesive layer; when the display structure is disposed on a side of the micro-nano structure layer of the decorative layer, the display layer corresponding to the display structure is disposed at this time There is a visible window so that the user can see the information displayed on the display structure from the side of the back cover.
  • the display structure described herein may be a lighted LOGO, or may display indication information such as: electric quantity, signal, and the like, some relatively simple indication information; the display structure may change the area size, brightness, and time displayed by the display structure.
  • the display structure may be PMOLED, AMOLED, LCM, etc., or may be a light-emitting diode, by length or length of the display grid to complete the change of the indication information.
  • the decorative functional film further comprises a second micro/nano layer disposed on the other side of the micro-nano layer relative to the reflective layer, and the micro-nano layer and the second micro-nano layer may each form an optical effect, or may interfere with each other to form an optical effect.
  • the decorative functional film further includes a graphic layer disposed on the other side of the micro-nano layer relative to the reflective layer, and the graphic layer may be formed by filling the filling after imprinting.
  • the image layer is adapted to the micro-nano layer to image and/or the graphic layer corresponds to the functional layer.
  • the decorative functional film further comprises a carrier layer disposed on the other side of the micro-nano layer relative to the reflective layer, the carrier layer being a PET layer, a PC layer, a PI layer, or the like.
  • the carrier layer is coated with UV glue and embossed with UV glue to form a micro-nano layer.
  • the carrier layer may further comprise an adhesive layer on the other side of the micro-nano layer, and the adhesive layer is used for bonding the decorative functional film to a substrate such as glass, thereby forming an electronic device back cover module.
  • the carrier layer may further include at least one of a second micro-nano layer, a graphic layer, and a colored layer with respect to the other side of the micro-nano layer.
  • a decorative functional film includes a micro-nano layer, a reflective layer, and a functional layer which are sequentially stacked.
  • the micro-nano layer includes a plurality of protrusions and/or recessed micro-nano structures
  • the reflective layer is disposed on the micro-nano structure
  • the functional layer is formed on the reflective layer.
  • the reflective layer has reflection, color development, and blocking functions.
  • a decorative functional film includes an adhesive layer, a carrier layer, a micro-nano layer, a reflective layer, a colored layer, and a functional layer which are sequentially laminated.
  • the functional layer comprises a conductive layer comprising a conductive mesh and leads extending from the conductive mesh.
  • the interconnected grooves are embossed on the UV glue, and the conductive material is filled in the grooves to form a conductive mesh.
  • a decorative functional film includes a second micro/nano layer or a patterned layer or a colored layer, a carrier layer, a micro-nano layer, a reflective layer, a colored layer, and a functional layer which are sequentially stacked.
  • the functional layer comprises a conductive layer comprising a conductive mesh and leads extending from the conductive mesh.
  • the interconnected grooves are embossed on the UV glue, and the conductive material is filled in the grooves to form a conductive mesh.
  • a decorative functional film includes a functional layer, a carrier layer, a micro-nano layer, a reflective layer, and a colored layer which are sequentially stacked.
  • the functional layer comprises a conductive layer comprising a conductive mesh and leads extending from the conductive mesh.
  • the interconnected grooves are embossed on the UV glue, and the conductive material is filled in the grooves to form a conductive mesh.
  • a decorative functional film includes a carrier layer, a functional layer, a micro-nano layer, a reflective layer, and a colored layer which are sequentially stacked.
  • the functional layer comprises a conductive layer comprising a conductive mesh and leads extending from the conductive mesh.
  • the interconnected grooves are embossed on the UV glue, and the conductive material is filled in the grooves to form a conductive mesh.
  • a decorative functional film includes a micro-nano layer, a carrier layer, a reflective layer, a colored layer, and a functional layer which are sequentially stacked.
  • the functional layer comprises a conductive layer comprising a conductive mesh and leads extending from the conductive mesh.
  • the interconnected grooves are embossed on the UV glue, and the conductive material is filled in the grooves to form a conductive mesh.
  • the adhesive layer may be combined according to the requirements to form the decorative functional film of the present application. It is both decorative and functional.
  • the present application also discloses an electronic device back cover module having the above decorative functional film.
  • the back cover module of the electronic device adopts a substrate of glass, plastic, metal, etc., and the decorative functional film is bonded or directly formed on the substrate by an adhesive layer.
  • the electronic device back cover module has a decorative functional film, not only structural components, but also has certain functionality in addition to good decoration, to meet individual needs. Taking a smart phone as an example, the design of the micro-nano layer and the appearance layer makes the design of the back cover of the mobile phone different from the conventional ones, and has a very good decorative effect.
  • the back cover of the mobile phone integrates the function module, and some functions of the mobile phone, such as power on/off, page turning, volume adjustment, power display, caller ID, wireless charging, NFC, active light output, etc., can be set in the back cover module. on.
  • the functional layer is layered on the micro-nano layer and the appearance layer, which basically does not increase the thickness of the back cover of the mobile phone, but has certain functions, and cooperates with the micro-nano structure, color, graphics, etc., so that the customer experience is optimal.
  • the phone not only a structural component, but also decorative and functional.
  • Functional module of the functional layer, the main structure is a conductive layer.
  • the conductive layer is disposed on one side of the colored layer relative to the micro-nano layer and the reflective layer, and does not affect the appearance at all.
  • the conductive mesh of the conductive layer forms an antenna, and when the antenna is disposed in the colored layer, it is completely invisible from the outside. You can discard the common three-piece case.
  • the conductive layer may also be disposed on one side or both sides of the carrier layer. The conductive layer is visible or invisible to the human eye.
  • the conductive line of the conductive layer When visible, it may be directly presented or designed into a certain pattern, such as the conductive line of the conductive layer is arranged along the logo of the mobile phone; When not visible, a transparent conductive material such as ITO may be used, or the conductive layer may be combined with the micro-nano layer and/or the image layer to set the image.
  • the lead of the conductive layer may extend to the inner side through a back cover edge, a partial blind hole or a camera hole or the like to facilitate electrical connection with a component such as a battery.
  • an electronic device back cover module includes: a substrate, a micro-nano layer, a reflective layer, a colored layer, and a conductive layer.
  • the substrate, the micro-nano layer, the reflective layer, the colored layer, and the conductive layer are laminated in this order.
  • the conductive layer comprises a conductive solid wire or a conductive mesh, and the conductive implementation or conductive mesh has contacts or leads.
  • an electronic device back cover module includes: a substrate, an adhesive layer, a carrier layer, a micro-nano layer, a reflective layer, a colored layer, and a conductive layer.
  • the substrate, the adhesive layer, the carrier layer, the micro-nano layer, the reflective layer, the colored layer, and the conductive layer are laminated in this order.
  • the conductive layer comprises a conductive solid wire or a conductive mesh, and the conductive solid wire or conductive mesh has contacts or leads.
  • an electronic device back cover module is sequentially laminated with a substrate, an adhesive layer, a conductive layer, a carrier layer, a micro-nano layer, a reflective layer, and a colored layer.
  • the conductive layer comprises a conductive solid wire or a conductive mesh, and the conductive solid wire or the conductive mesh has leads. The leads extend to the other side of the colored layer relative to the reflective layer by side edges or perforations of the substrate.
  • a decorative functional film 100 is disclosed having various embodiments.
  • a decorative functional film 100 includes a micro-nano layer 11, a reflective layer 12, a colored layer 13, and a functional layer 14 which are sequentially stacked.
  • the micro-nano layer 11 includes a plurality of raised micro-nano structures 111.
  • the micro/nano structures 111 are microlenses arranged in a plurality of rows.
  • the reflective layer 12 is a metal layer plated on the micro/nano structure 111.
  • the colored layer 13 is a primer ink layer, and the colored layer 13 and the reflective layer 12 provide color to the decorative functional film 100.
  • the reflective layer 12 and the colored layer 13 are the appearance layers of the decorative functional film 100.
  • the functional layer 14 is a conductive layer, and includes a plurality of conductive meshes and leads electrically connected to the conductive meshes, and the lead ends are exposed with gold fingers.
  • the conductive layer can be an antenna, a touch, a wireless charging, and a conductive layer for NFC.
  • the functional layer 14 may include an antenna module, a touch module, a wireless charging module, or an NFC module, etc., so that the decorative functional film 100 has both decorative and functional properties.
  • the micro-nano layer 11 is a colored UV glue.
  • the micro-nano layer 11 (for the sake of clarity, the same layers in different embodiments of the same type of decorative functional film are given the same reference numerals, the same below) are imprinted with respect to the other side of the micro-nano structure 111.
  • the graphic structure 112 is formed.
  • the graphic structure 112 can be a color bearer, an indication or a logo, and the like.
  • the micro-nano structure 111 can make the graphic structure 112 brighter and clearer, and can also cause the graphic structure 112 to exhibit a stereoscopic effect or to image the graphic structure 112.
  • the graphic structure 112 can also be used in conjunction with the functional layer 14.
  • the graphic structure 112 is "+" and "-", and the functional layer 14 has a touch function. Click "+" to increase the volume or turn the page backward, etc., click " -" can reduce the volume or turn the page forward.
  • the decorative functional film 100 includes a micro-nano layer 11, a reflective layer 12, and a functional layer 14 which are sequentially stacked.
  • the thickness of the reflective layer 12 is relatively thick, and the reflective layer 12 functions as both a reflective and primer ink.
  • the decorative functional film 100 further includes a carrier layer 15.
  • the carrier layer 15 is a PET layer.
  • the PET layer is a colored or colorless transparent layer.
  • the carrier layer 15 serves as a substrate layer and a support layer, and the micro-nano layer 11, the reflective layer 12, the colored layer 13, and the functional layer 14 are sequentially formed on the carrier layer 15.
  • the functional layer 14 is disposed on the other side of the carrier layer 15 relative to the micro-nano layer 11 . Since there is no occlusion of the colored layer 13, the functional layer 14 can be provided as a conductive layer, and the conductive layer can be hidden under the graphic, form a special pattern or use a transparent conductive material such as ITO.
  • the functional layer 14 can also be configured as a display module and a light exiting module, such as an OELD display, a liquid crystal display, and the like.
  • the light output module such as OLED light output or LED light output.
  • the functional layer 14 is electrically connected to a power source, a chip, or the like through a lead.
  • a decorative functional film 200 is disclosed having a variety of embodiments.
  • a decorative functional film 200 is in the form of a sheet. It includes a carrier layer 25, a micro-nano layer 21, a reflective layer 22, a colored layer 23, and a functional layer 24 which are sequentially stacked.
  • the functional layer 24 is displayed on the entire diaphragm 200 as a touch function of the touch area.
  • the functional layer 24 is a printed or laser conductive grid on the colored layer 23 and an insulating protective layer overlying the conductive mesh.
  • the touch function can be on/off, volume, page turning, fingerprint recognition, and the like. At the same time, the touch area may be darker/lighter in color, with a spot or the like to distinguish it from other areas.
  • the functional layer 24 is disposed on the other side of the carrier layer 25 opposite to the micro-nano layer 21 .
  • the conductive mesh of the functional layer 24 may adopt an invisible thin line or a transparent line to present a transparent state, or a visible solid line may be used to make the touch area more conspicuous.
  • the functional layer 24 includes a bonding layer 241 and a conductive layer 242.
  • the bonding layer 241 bonds the functional layer 24 to the colored layer 23.
  • the conductive layer 242 is formed by embossing the UV adhesive and filling the conductive material. It can be bonded to the other substrate and then bonded by the adhesive layer 241.
  • the functional layer 24 is formed by applying UV glue on the colored layer 23, embossing the groove, and filling the conductive material.
  • the functional decorative film 200 further includes a graphic layer 26 between the micro-nano layer 21 and the carrier layer 25.
  • the graphic layer 26 can make the touch area more visible for text, logo, indicator icon, color, and the like.
  • the graphic layer 26 includes a graphic structure 261 formed by embossing the UV glue.
  • the micro-nano structure 211 can make the graphic structure 261 more clear or conspicuous or exhibit a 3D effect or imaging or the like.
  • the graphic layer 26 is formed on the other side of the carrier layer 25 with respect to the micro-nano layer 21.
  • the functional decorative film 200 further includes a colored layer 27 disposed on the carrier layer 25.
  • the colored layer 27 may be colored separately for the functional decorative film 200, or may be colored in cooperation with the reflective layer 22 and the colored layer 23. In other embodiments, the colored layer may also be located between the carrier layer and the micro-nano layer.
  • the functional decorative film 200 further includes a second micro/nano layer 28.
  • the second micro-nano layer 28 includes a plurality of raised second micro-nano structures 281.
  • the second micro/nano structure 281 is a cylindrical mirror arranged at a plurality of intervals.
  • the micro/nano structure 211 and the second micro/nano structure 281 have respective optical effects or may interfere with each other to form a new optical effect.
  • the functional decorative film 200 further includes an adhesive layer 29.
  • the release layer 29 can carry a release film for convenient transportation.
  • the adhesive layer 29 is used to bond the functional decorative film 200 to a glass panel or the like.
  • an electronic device back cover module 300 is disclosed having various embodiments.
  • the electronic device back cover module 300 includes a substrate 301 , an adhesive layer 39 , a carrier layer 35 , a micro-nano layer 31 , a reflective layer 32 , a colored layer 33 , and a functional layer 34 .
  • the functional layer 34 is located at the upper end of the back cover module 300, and has a conductive mesh formed therein to form an antenna of the electronic device back cover module 300.
  • the functional layer 34 includes an antenna disposed at a predetermined end of the colored layer 33 by a process such as printing or laser, and the antenna may be a conductive solid line or a conductive mesh.
  • the substrate 301 is a transparent glass.
  • the substrate 301 is disposed on the outer layer, the colored layer 33 blocks the inside of the mobile phone, and the antenna is disposed on the other side of the colored layer 33 with respect to the micro-nano layer 31. Therefore, the antenna can be truly captured, and the design of the back cover of the mobile phone is made a breakthrough.
  • the functional layer 34 is formed by varnishing the UV adhesive and filling the conductive material.
  • the functional layer may also be disposed on one or both sides of the carrier layer, and may be filled with a colored or colorless conductive material as needed.
  • the functional layer 34 further includes a conductive layer 341 and an insulating protective layer 342 overlying the conductive layer 341.
  • the insulating protective layer 342 does not cover the contact portion of the conductive layer 341, and the contact portion can be electrically connected to the internal structure of the mobile phone.
  • an electronic device back cover module 400 is disclosed having various embodiments.
  • the electronic device back cover module 400 includes a substrate 401 , an adhesive layer 49 , a carrier layer 45 , a micro-nano layer 41 , a reflective layer 42 , a colored layer 43 , and a functional layer 44 .
  • the function layer 44 implements functions such as wireless charging or NFC.
  • the functional layer 44 includes a coil of the wireless charging mobile phone end. When the mobile phone is placed on the wireless charging stand, it can be coupled with the coil on the charging stand to realize charging of the mobile phone.
  • the functional layer 44 is disposed on the carrier layer 45.
  • the function layer 44 implements functions such as wireless charging, NFC, display, and light output.
  • functional layer 44 includes an OLED module that includes a cathode, an anode, and an organic material between the cathode and the anode.
  • the OLED module can be illuminated or displayed, such as caller ID, information prompt.
  • the electronic device back cover module 400 further includes a graphic layer 46 disposed on the carrier layer.
  • the graphic layer 46 and the functional layer 44 are disposed on both sides of the carrying layer 45, and of course the positions are interchangeable or may be located on one side thereof.
  • the graphic layer 46 can highlight the functional area or indicate the functional area. It can also be highlighted by a predetermined logo and illuminated by a functional layer.
  • the OLED module can be connected to the battery and the like through a boundary, a camera hole, a graphic layer, or the like.
  • the functional layer 14 is connected to the carrier layer or carrier 15 through an adhesive layer 16.
  • the functional layer 14 may be a display structure, and the functional layer 14 is located away from the micro-nano layer or the micro-nano structure layer. 11 side.
  • the functional layer 14 is disposed on the other side of the carrier layer or carrier 15 through the adhesive layer 16, the functional layer 14 may be a display structure, and the functional layer 14 and the micro-nano layer 11 are located on the carrier. Or the same side of the carrier layer 15, at this time, the side of the micro-nano layer corresponds to a visible window, and the functional layer is located in the visible window area.
  • the functional layer 14 is directly bonded to the carrier layer 15 by a bonding layer 16
  • Fig. 25b the functional layer 14 is directly bonded by the bonding layer 16 and the micro-nano layer 11 is away from the carrier layer.
  • the functional layer 14 is directly bonded by the bonding layer 16 and the micro-nano layer 11 is away from the carrier layer.
  • the 15 side in Fig.
  • the functional layer 14 is directly bonded to the side of the reflective layer away from the micro-nano layer 11 by the adhesive layer 16, and the functional layer 14 is directly adhered by the adhesive layer 16 in Fig. 25d.
  • the junction and the colored layer 13 are away from the side of the reflective layer.
  • the functional layer 14 is directly bonded by the bonding layer 16 and the colored layer 13 is away from the side of the reflective layer, but the bonding layer 16 at this time.
  • the visible window area does not have a bonding material; of course, the structural visible window area shown in Figures 25b to 25e may have a micro/nano structure.
  • the back cover of the electronic device is set with color or graphic through the appearance layer, and the micro-nano layer is used to realize a special optical effect, and the integrated functional layer satisfies the individual needs.

Abstract

L'invention concerne un film fonctionnel décoratif (100), comprenant : un support comprenant une première surface et une seconde surface disposée à l'opposé de la première surface ; une micro-nanocouche (11), une micro-nanostructure (111) étant disposée sur la première surface du support en vue de former la micro-nanocouche (11), et la micro-nanostructure (111) étant une structure convexe et/ou concave ; une couche réfléchissante (12) disposée sur la micro-nanocouche (11) ; une couche de coloration (14) disposée sur la couche réfléchissante (12) ; et une structure d'affichage disposée sur un côté du support au moyen d'une couche adhésive (241). La structure d'affichage peut être un logo lumineux, ou peut afficher des informations d'indication, par exemple des informations d'indication relativement simples telles qu'une puissance et des signaux ; et la structure d'affichage peut modifier les informations d'indication en modifiant la zone d'affichage, la luminosité d'affichage et la durée d'affichage de la structure d'affichage, ou en modifiant le nombre de grilles d'affichage de la structure d'affichage.
PCT/CN2019/082288 2018-05-09 2019-04-11 Film fonctionnel décoratif et module de couvercle arrière de dispositif électronique WO2019214389A1 (fr)

Priority Applications (1)

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US17/043,596 US20210029234A1 (en) 2018-05-09 2019-04-11 Decorative functional film and electronic device rear cover module

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CN201810439442 2018-05-09
CN201810439442.4 2018-05-09
CN201810622963.3 2018-06-15
CN201810622963.3A CN110466208A (zh) 2018-05-09 2018-06-15 装饰功能膜及电子设备后盖模组

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112003967A (zh) * 2020-07-28 2020-11-27 华为技术有限公司 一种电子设备的壳体组件和电子设备
US20210347145A1 (en) * 2018-09-21 2021-11-11 Samsung Electronics Co., Ltd. Plate including fine pattern, and electronic device including same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2894205Y (zh) * 2006-04-30 2007-04-25 张其吐 一种led显示屏外装饰结构
CN101932210A (zh) * 2009-06-25 2010-12-29 深圳富泰宏精密工业有限公司 壳体及应用该壳体的电子装置
CN104291016A (zh) * 2013-07-16 2015-01-21 丰新科技股份有限公司 膜体及其使用方法
CN206387924U (zh) * 2017-01-18 2017-08-08 昇印光电（昆山）股份有限公司 光学薄膜及制造该光学薄膜的模具
CN206684337U (zh) * 2017-03-11 2017-11-28 昇印光电（昆山）股份有限公司 有色光学膜及手机盖板
CN208827232U (zh) * 2018-05-09 2019-05-07 昇印光电（昆山）股份有限公司 装饰功能膜及电子设备后盖模组

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2894205Y (zh) * 2006-04-30 2007-04-25 张其吐 一种led显示屏外装饰结构
CN101932210A (zh) * 2009-06-25 2010-12-29 深圳富泰宏精密工业有限公司 壳体及应用该壳体的电子装置
CN104291016A (zh) * 2013-07-16 2015-01-21 丰新科技股份有限公司 膜体及其使用方法
CN206387924U (zh) * 2017-01-18 2017-08-08 昇印光电（昆山）股份有限公司 光学薄膜及制造该光学薄膜的模具
CN206684337U (zh) * 2017-03-11 2017-11-28 昇印光电（昆山）股份有限公司 有色光学膜及手机盖板
CN208827232U (zh) * 2018-05-09 2019-05-07 昇印光电（昆山）股份有限公司 装饰功能膜及电子设备后盖模组

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210347145A1 (en) * 2018-09-21 2021-11-11 Samsung Electronics Co., Ltd. Plate including fine pattern, and electronic device including same
US11648747B2 (en) * 2018-09-21 2023-05-16 Samsung Electronics Co., Ltd. Plate including fine pattern, and electronic device including same
CN112003967A (zh) * 2020-07-28 2020-11-27 华为技术有限公司 一种电子设备的壳体组件和电子设备

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