WO2020015631A1 - 一种纹理保护膜、终端及纹理保护膜的制作方法 - Google Patents

一种纹理保护膜、终端及纹理保护膜的制作方法 Download PDF

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Publication number
WO2020015631A1
WO2020015631A1 PCT/CN2019/096144 CN2019096144W WO2020015631A1 WO 2020015631 A1 WO2020015631 A1 WO 2020015631A1 CN 2019096144 W CN2019096144 W CN 2019096144W WO 2020015631 A1 WO2020015631 A1 WO 2020015631A1
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WIPO (PCT)
Prior art keywords
texture
texture layer
layer
protection film
pattern
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PCT/CN2019/096144
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English (en)
French (fr)
Inventor
王慧娥
李孟
李东亮
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华为技术有限公司
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Publication of WO2020015631A1 publication Critical patent/WO2020015631A1/zh

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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
    • B32B27/36—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
    • 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
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • 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 shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • 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 shape; Layered products comprising a layer 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 shape; Layered products comprising a layer 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 shape; Layered products comprising a layer 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • 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
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/40—Applications of laminates for particular packaging purposes
    • 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
    • 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
    • B32B2457/00—Electrical equipment

Definitions

  • the present application relates to the technical field of communication terminal products, and in particular, to a texture protection film, a terminal, and a method for manufacturing a texture protection film.
  • a scheme is adopted in which a texture layer is printed on one side of PET.
  • This scheme can obtain various visual effects by changing the pattern of the texture layer.
  • the pattern seen is a flat stationary pattern, lacking the sense of layering and depth, and the decorative effect is poor.
  • the texture protection film, the mobile phone, and the method for manufacturing the texture protection film provided in the embodiments of the present application can increase the sense of layering, depth, transparency, and decoration of glass material products, and improve the competitiveness and attractiveness of the products.
  • the present application provides a texture protection film including a protection film body, a first surface of the protection film body is provided with a first texture layer, and a second surface of the protection film body is provided with a second texture layer.
  • the first surface is opposite to the second surface, and the first texture layer and the second texture layer are superimposed to form an interference texture pattern.
  • a first texture layer and a second texture layer are respectively provided on two opposite first and second surfaces of the protection film body, and the first texture layer and the second texture layer are provided.
  • the interference texture pattern can be superimposed, so that compared to a single layer texture pattern, the texture pattern formed by the interference of two layers of texture will produce a more three-dimensional, richer, and more fluid texture glare effect, which can increase the glass material
  • the layering, depth, transparency and decorative effect of the product enhance the competitiveness and attractiveness of the product.
  • the pattern of the first texture layer is the same as the pattern of the second texture layer, the pattern of the second texture layer is deflected at a certain angle relative to the pattern of the first texture layer, and the first texture layer Overlay interference with the second texture layer to form a moiré pattern.
  • Moiré can increase the sense of layering, depth, transparency and decoration of glass products.
  • the first texture layer includes a plurality of first linear stripes arranged in parallel and spaced from each other
  • the second texture layer includes a plurality of second linear stripes arranged in parallel and spaced to each other
  • the thickness of the first straight stripe in a direction perpendicular to the first surface is 2-20um
  • the thickness of the second straight stripe in a direction perpendicular to the second surface is 2-20um
  • a width of the first straight stripe in a direction parallel to the first surface is 20-200um
  • a width of the second straight stripe in a direction parallel to the second surface is 20-200um
  • a distance between the two adjacent first linear stripes is 20-250um
  • a distance between the two adjacent second linear stripes is 20-250um.
  • an outer surface of the first straight stripe is an arc surface.
  • the protective film body is a PET film.
  • PET film has excellent physical properties, chemical properties and dimensional stability, transparency and recyclability.
  • the first texture layer and the second texture layer are both formed by embossing with a shadowless glue.
  • a first optical film is provided on a side of the first texture layer remote from the first surface, and a second optical film is provided on a side of the second texture layer remote from the second surface.
  • the first optical film and the second optical film are used to increase light transmittance, increase brightness, and / or form color. Thereby, the decorative effect of a texture protective film can be improved.
  • the present application provides a terminal, which includes a glass cover, and the inner surface of the glass cover is pasted with the texture protection film described in any one of the implementations of the first aspect.
  • a texture protection film is attached to an inner surface of the glass cover plate, and a first texture layer and a second texture are respectively provided on two opposite first and second surfaces of the protection film body.
  • Layer, the first texture layer and the second texture layer can be superimposed to form an interference texture pattern. Therefore, compared to the single-layer texture pattern, the texture pattern formed by the interference of two layers of texture will produce a more three-dimensional, richer, and more fluid texture glare light and shadow effect, which can increase the sense of layering and depth of glass products. , Transparency and decorative effects, enhance the competitiveness and attractiveness of end products.
  • the terminal includes a middle frame main casing, a display module is disposed in the middle frame main casing, and a front glass cover is provided on a front light emitting side of the middle frame main casing.
  • a back glass cover is provided on the back of the middle frame main casing, and the front surface glass cover and / or the inner surface of the back glass cover is attached with the texture protection film.
  • the present application provides a method for manufacturing a texture protective film, including the following steps:
  • a second texture layer is made on a second surface of the protective film body opposite to the first surface, and the second texture layer and the first texture layer can be superposed to form an interference texture pattern.
  • the method for manufacturing a texture protection film provided in the embodiment of the present application can produce a texture protection film with a double-sided texture pattern. Compared with a single-sided texture pattern, a texture pattern formed by interference of two layers of texture will produce a more three-dimensional and rich 2. The more fluid texture glare light and shadow effect can increase the sense of layer, depth, transparency and decoration of glass products, and improve the competitiveness and attractiveness of the product.
  • the making a first texture layer on the first surface of the protective film body includes: coating a UV adhesive layer on the first surface of the protective film body, and embossing micro-film on the surface of the UV adhesive layer. Nanoscale trench texture.
  • the making a second texture layer on the second surface of the protective film body includes: coating a UV adhesive layer on the second surface of the protective film body, and embossing a micro-film on the surface of the UV adhesive layer. Nanoscale trench texture.
  • the pattern of the first texture layer is the same as the pattern of the second texture layer, and the pattern of the second texture layer is deflected by a certain angle with respect to the pattern of the first texture layer.
  • a texture layer and the second texture layer are superimposed to form a moiré pattern.
  • the first texture layer includes a plurality of first linear stripes parallel to each other
  • the second texture layer includes a plurality of second linear stripes parallel to each other
  • the first straight layer The projection of the line fringe on the second surface forms an included angle with the second straight fringe greater than 0 degrees.
  • the thickness of the first straight stripe in a direction perpendicular to the first surface is 2-20um
  • the second straight stripe is in a direction perpendicular to the second surface.
  • the thickness is 2-20um.
  • a distance between two adjacent first linear stripes is 20-250um
  • a distance between two adjacent second linear stripes is 20-250um
  • FIG. 1 is a schematic structural diagram of a texture protective film according to an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a first texture layer of a texture protection film according to an embodiment of the present application
  • FIG. 3 is a schematic structural diagram of a second texture layer of a texture protection film according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of an interference texture pattern formed by superposing a first texture layer and a second texture layer of a texture protective film according to an embodiment of the present application;
  • FIG. 5 is a schematic diagram of an included angle between a first straight stripe and a second straight stripe in a texture protective film according to an embodiment of the present application
  • FIG. 6 is a schematic cross-sectional structure diagram of a first texture layer in a texture protection film according to an embodiment of the present application
  • FIG. 7 is a schematic cross-sectional structure diagram of a texture protective film pasted on a glass cover according to an embodiment of the present application.
  • FIG. 8 is a schematic exploded structure diagram of a texture protective film attached to a glass cover according to an embodiment of the present application.
  • FIG. 9 is a schematic exploded structure diagram of a terminal according to an embodiment of the present application.
  • the embodiments of the present application relate to a texture protective film, a terminal, and a method for manufacturing a texture protective film.
  • Moiré Also known as Moire moire, Moire fringe, moire, and water moiré, it is an interference image produced by the overlapping of fence-like stripes.
  • PET film also known as high temperature resistant polyester film. It has excellent physical properties, chemical properties and dimensional stability, transparency and recyclability.
  • Shadowless Adhesive is also known as photosensitive adhesive and UV curing adhesive. Shadowless Adhesive is a type of adhesive that must be cured by ultraviolet light irradiation. It can be used as an adhesive or as a paint, coating, Use of rubber materials such as inks.
  • the terminal may be a mobile terminal, and the mobile terminal may include a mobile phone, a tablet computer, a Personal Digital Assistant (PDA), a Point of Sales (POS), a vehicle-mounted computer, and the like.
  • PDA Personal Digital Assistant
  • POS Point of Sales
  • vehicle-mounted computer and the like.
  • the embodiment of the present invention does not specifically limit the specific form of the terminal.
  • an embodiment of the present application provides a texture protection film 100.
  • the texture protection film 100 includes a protection film body 1.
  • the first surface of the protection film body 1 is provided with a first texture layer 2.
  • the second surface of the protective film body 1 is provided with a second texture layer 3, and the first surface is opposite to the second surface.
  • the first texture layer 2 and the second texture layer 3 Overlay to form interference texture patterns.
  • a first texture layer 2 and a second texture layer 3 are respectively provided on two opposite first and second surfaces of the protection film body 1, and the first texture layer 2 and The second texture layer 3 can be superimposed to form an interference texture pattern. Therefore, compared with a single-layer texture pattern, a texture pattern formed by interference of two layers of textures can produce a more three-dimensional, richer, and more fluid texture glare effect.
  • FIG. 7 when the texture protective film is pasted on the inner surface of the cover glass 6 of the terminal, it can increase the sense of layering, depth, permeability, and decoration of the cover glass 6 and enhance product competition. Force and attraction.
  • the interference texture pattern may be a moiré pattern.
  • the pattern of the first texture layer 2 may be the same as the pattern of the second texture layer 3, and the pattern of the second texture layer 3 is relative to the first texture layer 2.
  • the pattern is deflected by a certain angle, so that the first texture layer 2 and the second texture layer 3 overlap and form interference to form a moiré pattern.
  • the pattern of the first texture layer 2 and the pattern of the second texture layer 3 may be variously selected as long as they can interfere with the formation of a moiré pattern.
  • the pattern of the first texture layer 2 and the pattern of the second texture layer 3 may be uniform. It is a grid-like texture; as shown in FIG. 2 and FIG. 3, the first texture layer 2 includes a plurality of first linear stripes 21 arranged in parallel and spaced apart from each other, and the second texture layer 3 includes a plurality of parallel to each other.
  • the second linear stripes 31 arranged at intervals are formed at an angle ⁇ of 10 degrees between the projection of the first linear stripes 21 on the second surface and the second linear stripes 31.
  • the moiré pattern can increase the sense of layering, depth, permeability, and decoration of glass materials (such as the glass cover of a mobile phone).
  • the included angle ⁇ of the first straight stripe 21 and the second straight stripe 31 may be any angle not equal to 0 degrees, and different included angles may be superimposed to form different moiré patterns.
  • the size parameter of the texture pattern as shown in FIG. 6 may be selected from the following ranges: the thickness h of the first straight stripe 21 in a direction perpendicular to the first surface may be selected between 2um and 20um, and the first straight stripe A width d of 21 in a direction parallel to the first surface is 20-200um, and a distance w between two adjacent first linear stripes 21 may be 20um to 250um.
  • the parameters are the same as those of the first straight stripe 21 described above. Hundreds of patterns can be changed within the above parameter range, with a variety of unexpected appearance effects. Selecting the above parameter range can improve the product's process effect and appearance quality.
  • the outer surface 211 of the first linear stripe 21 may be a circular arc surface.
  • the outer surface of the first linear stripe 21 may be a flat surface, which is not limited herein.
  • the protective film body 1 may be a PET film.
  • PET film is also called high temperature resistant polyester film. It has excellent physical properties, chemical properties and dimensional stability, transparency and recyclability.
  • the first texture layer 2 and the second texture layer 3 can be formed on the front and back sides of the PET film through an Ultraviolet Rays (UV) glue embossing process, respectively.
  • UV Ultraviolet Rays
  • a first optical film 4 may be provided on a side of the first texture layer 2 away from the first surface, A second optical film 5 is disposed on a side of the two texture layers 3 away from the second surface, and the first optical film 4 and the second optical film 5 may be formed by a plating process. Therefore, the first optical film 4 can improve the brightness and reflection texture of the first texture layer 2, and the second optical film 5 can improve the brightness and reflection texture of the second texture layer 3, thereby improving the decorative effect of the texture protection film.
  • colors may be added to the first optical film 4 and / or the second optical film 5 so that a colorful texture decoration effect can be formed.
  • An embodiment of the present application further provides a terminal.
  • the terminal includes a glass cover 6, and the inner surface of the glass cover 6 is pasted with the texture protection film 100 according to any one of the foregoing embodiments.
  • the texture protective film 100 is attached to the inner surface of the glass cover plate, and the first and second opposite surfaces of the protective film body 1 are respectively provided with the first texture layer 2 and The second texture layer 3, the first texture layer 2 and the second texture layer 3 can be superposed to form an interference texture pattern. Therefore, compared to the single-layer texture pattern, the texture pattern formed by the interference of two layers of texture will produce a more three-dimensional, richer, and more fluid texture glare light and shadow effect, which can increase the sense of layering and depth of glass products. , Transparency and decorative effects, enhance the competitiveness and attractiveness of end products.
  • the terminal includes a middle frame main case 7, a display module (not shown in the figure) is arranged in the middle frame main case 7, and a front light emitting side of the middle frame main case 7 is provided.
  • a front glass cover 61 and a back glass cover 62 is provided on the back of the middle frame main casing 7.
  • the inner surface of the front glass cover 61 is affixed with the texture protective film or the back glass cover 62.
  • the texture protection film is affixed to the inner surface, and the texture protection film may be affixed to both the inner surface of the front glass cover plate 61 and the inner surface of the back glass cover plate 62.
  • the first optical film 4 of the texture protection film and the glass cover plate can be bonded by the optical glue 8.
  • An ink layer 9 for blocking light can be provided on a side of the second optical film 5 far from the second texture layer 3, thereby preventing light leakage from the mobile phone. It should be noted that the ink layer 9 may be one layer, two layers, or multiple layers, which is not limited herein.
  • the texture protective film is affixed to the front glass cover 61, the ink layer 9 can be avoided from being set on the display area of the mobile phone.
  • the embodiment of the present application further provides a method for manufacturing a texture protective film, including the following steps:
  • a second texture layer 3 is formed on a second surface of the protective film body 1 opposite to the first surface, and the second texture layer 3 and the first texture layer 2 can be superposed to form an interference texture pattern.
  • a texture protection film having a double-sided texture pattern can be obtained through the above manufacturing method. Compared with a single-sided texture pattern, a texture pattern formed by the interference of two layers of textures will produce a more three-dimensional, richer, and more fluid texture glare light and shadow. The effect can increase the sense of layer, depth, permeability and decoration of glass products, and enhance the competitiveness and attractiveness of the product.
  • making the first texture layer 2 on the first surface of the protective film body 1 may include the following steps: coating a UV adhesive layer on the first surface of the protective film body 1, and embossing micro-nano level grooves on the surface of the UV adhesive layer. Groove texture.
  • Making the second texture layer 3 on the second surface of the protective film body 1 may include the following steps: coating a UV adhesive layer on the second surface of the protective film body 1, and embossing micro-nano level groove texture on the surface of the UV adhesive layer. .
  • the above-mentioned embossing process can be implemented by a texture mold.
  • the interference texture pattern may be a moiré pattern.
  • the pattern of the first texture layer 2 may be the same as the pattern of the second texture layer 3, and the pattern of the second texture layer 3 is relative to the first texture layer 2.
  • the pattern is deflected by a certain angle, so that the first texture layer 2 and the second texture layer 3 overlap and form interference to form a moiré pattern.
  • the pattern of the first texture layer 2 and the pattern of the second texture layer 3 can be selected in various ways, as long as it can interfere with the formation of a moiré pattern, for example, the pattern of the first texture layer 2 and the second
  • the pattern of the texture layer 3 may be uniformly embossed into a grid-like texture; or as shown in FIG. 2 and FIG. 3, the first texture layer 2 includes a plurality of first linear stripes 21 arranged in parallel and spaced from each other.
  • the two texture layers 3 include a plurality of second linear stripes 31 arranged in parallel and spaced from each other.
  • the projection of the first linear stripes 21 on the second surface forms an angle of 10 degrees with the second linear stripes 31. .
  • the moiré pattern can increase the sense of layering, depth, permeability, and decoration of glass materials (such as the glass cover of a mobile phone).
  • the process parameters of the above manufacturing method can be selected as follows: the thickness h of the first straight stripe 21 in a direction perpendicular to the first surface can be selected between 2um and 20um, and the first straight stripe 21 is parallel to the The width d in the direction of the first surface is 20-200um, and the distance w between two adjacent first linear stripes 21 may be between 20um and 250um.
  • the parameters of the second linear stripes 31 are the same as those described above.
  • the parameters of the line stripe 21 are the same. Hundreds of patterns can be changed within the above parameter range, with a variety of unexpected appearance effects. Selecting the above parameter range can improve the product's process effect and appearance quality.

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  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种纹理保护膜、终端及纹理保护膜的制作方法，涉及通讯终端产品技术领域，该纹理保护膜包括保护膜本体，所述保护膜本体的第一表面设有第一纹理层，所述保护膜本体的第二表面设有第二纹理层，所述第一表面与所述第二表面相对，所述第一纹理层与所述第二纹理层叠加形成干涉纹理图案。

Description

一种纹理保护膜、终端及纹理保护膜的制作方法
本申请要求于2018年07月20日提交中国国家知识产权局、申请号为201810809069.7、申请名称为“一种纹理保护膜、终端及纹理保护膜的制作方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通讯终端产品技术领域，尤其涉及一种纹理保护膜、终端及纹理保护膜的制作方法。
背景技术
当前手机等通讯终端产品的外观主体材质已经全面走向玻璃材质，玻璃材质的新工艺处理方式对外观效果的影响非常大，进而对产品的竞争力和差异化至关重要。随着越来越多的玻璃材质的使用，每个终端厂商都在寻求玻璃材质上工艺的突破，玻璃上的工艺技术从丝印，喷涂，到玻璃镀膜，膜具转印(Glass direct molding，GDM)，再到聚对苯二甲酸乙二醇酯(polyethylene terephthalate，PET)膜片纹理等，已同质化严重。
目前在制作PET保护膜时，为了得到多样的视觉效果，采用的方案是在PET的单面印制纹理层，该方案可通过改变纹理层的图案得到多样的视觉效果。但是，看到的图案为平面静止图案，欠缺层次感、深度感，装饰效果较差。
发明内容
本申请的实施例提供的纹理保护膜、手机及纹理保护膜的制作方法，能够增加玻璃材质产品的层次感、深度感、通透性和装饰效果，提升产品的竞争力和吸引力。
为达到上述目的，本申请的实施例采用如下技术方案：
第一方面，本申请提供一种纹理保护膜，包括：保护膜本体，所述保护膜本体的第一表面设有第一纹理层，所述保护膜本体的第二表面设有第二纹理层，所述第一表面与所述第二表面相对，所述第一纹理层与所述第二纹理层叠加形成干涉纹理图案。
本申请实施例提供的纹理保护膜，由于在保护膜本体的两相对的第一表面和第二表面上分别设置了第一纹理层和第二纹理层，且第一纹理层与第二纹理层能够叠加形成干涉纹理图案，由此，相比于单层纹理图案，通过两层纹理干涉形成的纹理图案会产生更立体、更丰富、流动性更好的纹理炫光光影效果，能够增加玻璃材质产品的层次感、深度感、通透性和装饰效果，提升产品的竞争力和吸引力。
在可能的实现方式中，所述第一纹理层的图案与所述第二纹理层的图案相同，第二纹理层的图案相对于第一纹理层的图案偏转一定角度，所述第一纹理层与所述第二纹理层叠加干涉形成摩尔纹图案。摩尔纹能够增加玻璃材质产品的层次感、深度感、通透性和装饰效果。
在可能的实现方式中，所述第一纹理层包括多条相互平行且间隔排列的第一直线条纹，所述第二纹理层包括多条相互平行且间隔排列的第二直线条纹，所述第一直线条纹在所述第二表面上的投影与所述第二直线条纹形成大于0度的夹角。
在可能的实现方式中，所述第一直线条纹沿垂直于所述第一表面的方向的厚度为2-20um，所述第二直线条纹沿垂直于所述第二表面的方向的厚度为2-20um。
在可能的实现方式中，所述第一直线条纹沿平行于所述第一表面的方向的宽度为 20-200um，所述第二直线条纹沿平行于所述第二表面的方向的宽度为20-200um。
在可能的实现方式中，所述相邻两条所述第一直线条纹的间距为20-250um，所述相邻两条所述第二直线条纹的间距为20-250um。上述参数范围内可以进行上百种图案变化，搭配出很多种意想不到的外观效果，选择上述参数范围可提高产品的工艺效果和外观品质。
在可能的实现方式中，所述第一直线条纹的外表面为圆弧面。
在可能的实现方式中，所述保护膜本体为PET膜。PET膜具有优异的物理性能、化学性能及尺寸稳定性、透明性和可回收性。
在可能的实现方式中，所述第一纹理层和所述第二纹理层均由无影胶水压印形成。
在可能的实现方式中，所述第一纹理层远离所述第一表面的一侧设有第一光学膜，所述第二纹理层远离所述第二表面的一侧设有第二光学膜，所述第一光学膜和所述第二光学膜用于增加透光度、增加亮度和/或形成色彩。由此，可提高纹理保护膜的装饰效果。
第二方面，本申请提供一种终端，包括玻璃盖板，所述玻璃盖板的内表面贴附有第一方面的任一实现方式中所述的纹理保护膜。
本申请实施例提供的终端，由于在玻璃盖板的内表面贴附了纹理保护膜，且保护膜本体的两相对的第一表面和第二表面上分别设置了第一纹理层和第二纹理层，第一纹理层与第二纹理层能够叠加形成干涉纹理图案。由此，相比于单层纹理图案，通过两层纹理干涉形成的纹理图案会产生更立体、更丰富、流动性更好的纹理炫光光影效果，能够增加玻璃材质产品的层次感、深度感、通透性和装饰效果，提升终端产品的竞争力和吸引力。
在第二方面可能的实现方式中，所述终端包括中框主壳体，所述中框主壳体内设有显示模组，所述中框主壳体的正面出光侧设有正面玻璃盖板，所述中框主壳体的背面设有背面玻璃盖板，所述正面玻璃盖板和/或所述背面玻璃盖板的内表面贴附有所述纹理保护膜。
第三方面，本申请提供一种纹理保护膜的制作方法，包括以下步骤：
在保护膜本体的第一表面制作第一纹理层；
在保护膜本体与所述第一表面相对的第二表面上制作第二纹理层，所述第二纹理层与所述第一纹理层能够叠加形成干涉纹理图案。
本申请实施例提供的纹理保护膜的制作方法，可制得具有双面纹理图案的纹理保护膜，相比于单面纹理图案，通过两层纹理干涉形成的纹理图案会产生更立体、更丰富、流动性更好的纹理炫光光影效果，能够增加玻璃材质产品的层次感、深度感、通透性和装饰效果，提升产品的竞争力和吸引力。
在第三方面可能的实现方式中，所述在保护膜本体的第一表面制作第一纹理层包括：在保护膜本体的第一表面涂覆UV胶层，并在UV胶层表面压印微纳米级别的沟槽纹理。
在第三方面可能的实现方式中，所述在保护膜本体的第二表面制作第二纹理层包括：在保护膜本体的第二表面涂覆UV胶层，并在UV胶层表面压印微纳米级别的沟槽纹理。
在第三方面可能的实现方式中，所述第一纹理层的图案与所述第二纹理层的图案相同，第二纹理层的图案相对于第一纹理层的图案偏转一定角度，所述第一纹理层与所述第二纹理层叠加形成摩尔纹图案。
在第三方面可能的实现方式中，所述第一纹理层包括多条相互平行的第一直线条纹，所述第二纹理层包括多条相互平行的第二直线条纹，所述第一直线条纹在所述第二表面上的投影与所述第二直线条纹形成大于0度的夹角。
在第三方面可能的实现方式中，所述第一直线条纹沿垂直于所述第一表面的方向的厚度为2-20um，所述第二直线条纹沿垂直于所述第二表面的方向的厚度为2-20um。
在第三方面可能的实现方式中，相邻两条所述第一直线条纹的间距为20-250um，相邻两条所述第二直线条纹的间距为20-250um。
附图说明
图1为本申请实施例纹理保护膜的结构示意图；
图2为本申请实施例纹理保护膜的第一纹理层的结构示意图；
图3为本申请实施例纹理保护膜的第二纹理层的结构示意图；
图4为本申请实施例纹理保护膜的第一纹理层和第二纹理层叠加形成的干涉纹理图案示意图；
图5为本申请实施例纹理保护膜中第一直线条纹和第二直线条纹的夹角示意图；
图6为本申请实施例纹理保护膜中第一纹理层的截面结构示意图；
图7为本申请实施例纹理保护膜贴覆于玻璃盖板上的截面结构示意图；
图8为本申请实施例纹理保护膜贴覆于玻璃盖板上的分解结构示意图；
图9为本申请实施例终端的分解结构示意图。
具体实施方式
本申请实施例涉及纹理保护膜、终端及纹理保护膜的制作方法，以下对上述实施例涉及到的概念进行简单说明：
摩尔纹：又称莫列波纹、莫尔条纹、叠纹、水状波纹，是一种在栅栏状条纹重叠下所产生的干涉影像。
PET膜：又名耐高温聚酯薄膜。它具有优异的物理性能、化学性能及尺寸稳定性、透明性和可回收性。
无影胶：无影胶又称光敏胶、紫外光固化胶，无影胶是一种必须通过紫外线光照射才能固化的一类胶粘剂，它可以作为粘接剂使用，也可作为油漆、涂料、油墨等的胶料使用。
终端可以是移动终端，移动终端可以包括手机、平板电脑、PDA(Personal Digital Assistant，个人数字助理)、POS(Point of Sales，销售终端)、车载电脑等。本发明实施例对终端的具体形式不做特殊限制。
如图1-图3所示，本申请实施例提供了一种纹理保护膜100，纹理保护膜100包括保护膜本体1，保护膜本体1的第一表面设有第一纹理层2，所述保护膜本体1的第二表面设有第二纹理层3，所述第一表面与所述第二表面相对，如图4所示，所述第一纹理层2与所述第二纹理层3叠加形成干涉纹理图案。
本申请实施例提供的纹理保护膜，由于在保护膜本体1的两相对的第一表面和第二表面上分别设置了第一纹理层2和第二纹理层3，且第一纹理层2与第二纹理层3能够叠加形成干涉纹理图案，由此，相比于单层纹理图案，通过两层纹理干涉形成的纹理图案会产生更立体、更丰富、流动性更好的纹理炫光光影效果，如图7所示，当将纹理保护膜贴覆于终端的盖板玻璃6的内表面时，能够增加盖板玻璃6的层次感、深度感、通透性和装饰效果，提升产品的竞争力和吸引力。
其中，干涉纹理图案可以为摩尔纹，例如，可使所述第一纹理层2的图案与所述第二纹理层3的图案相同，且第二纹理层3的图案相对于第一纹理层2的图案偏转一定角度，以使第一纹理层2与第二纹理层3叠加干涉形成摩尔纹图案。
第一纹理层2的图案与第二纹理层3的图案可以有多种选择，只要能够干涉形成摩尔纹 图案即可，例如，第一纹理层2的图案与第二纹理层3的图案可以均为网格状纹理；也可以如图2、图3所示，第一纹理层2包括多条相互平行且间隔排列的第一直线条纹21，所述第二纹理层3包括多条相互平行且间隔排列的第二直线条纹31，如图5所示，所述第一直线条纹21在所述第二表面上的投影与所述第二直线条纹31形成的夹角α为10度。由此，当第一纹理层2和第二纹理层3叠加后可看到类似图4所示的摩尔纹。该摩尔纹能够增加玻璃材质产品(如手机的玻璃盖板)的层次感、深度感、通透性和装饰效果。需要说明的是，第一直线条纹21和第二直线条纹31的夹角α可以为不等于0度的任意角度，不同的夹角可以叠加形成不同的摩尔纹。
其中，如图6所示纹理图案的尺寸参数可以选择以下范围：第一直线条纹21沿垂直于所述第一表面的方向的厚度h可以选择为2um至20um之间，第一直线条纹21沿平行于所述第一表面的方向的宽度d为20-200um，相邻两条所述第一直线条纹21的间距w可以为20um至250um之间，第二直线条纹31的各项参数与上述第一直线条纹21的各项参数相同。上述参数范围内可以进行上百种图案变化，搭配出很多种意想不到的外观效果，选择上述参数范围可提高产品的工艺效果和外观品质。
如图6所示，第一直线条纹21的外表面211可以为圆弧面。另外，第一直线条纹21的外表面也可以为平面，在此不做限定。
具体地，保护膜本体1可以为PET膜。PET膜又名耐高温聚酯薄膜。它具有优异的物理性能、化学性能及尺寸稳定性、透明性和可回收性。可通过无影(Ultraviolet Rays，UV)胶水压印工艺在PET膜的正反两面分别形成第一纹理层2和第二纹理层3。
为了增加纹理保护膜的亮度、透光度并提升纹理图案的反射质感，如图1所示，可在第一纹理层2远离所述第一表面的一侧设置第一光学膜4，在第二纹理层3远离所述第二表面的一侧设置第二光学膜5，第一光学膜4和第二光学膜5可以通过镀膜工艺形成。由此，第一光学膜4可提升第一纹理层2的亮度和反射质感，第二光学膜5可提升第二纹理层3的亮度和反射质感，从而可提高纹理保护膜的装饰效果。另外，还可以在第一光学膜4和/或第二光学膜5上添加色彩，从而可形成彩色的纹理装饰效果。
本申请实施例还提供了一种终端，如图7所示，包括玻璃盖板6，所述玻璃盖板6的内表面贴附有上述任一实施例所述的纹理保护膜100。
本申请实施例提供的终端，由于在玻璃盖板的内表面贴附了纹理保护膜100，且保护膜本体1的两相对的第一表面和第二表面上分别设置了第一纹理层2和第二纹理层3，第一纹理层2与第二纹理层3能够叠加形成干涉纹理图案。由此，相比于单层纹理图案，通过两层纹理干涉形成的纹理图案会产生更立体、更丰富、流动性更好的纹理炫光光影效果，能够增加玻璃材质产品的层次感、深度感、通透性和装饰效果，提升终端产品的竞争力和吸引力。
如图9所示，终端包括中框主壳体7，所述中框主壳体7内设有显示模组(图中未示出)，所述中框主壳体7的正面出光侧设有正面玻璃盖板61，所述中框主壳体7的背面设有背面玻璃盖板62，所述正面玻璃盖板61的内表面贴附有所述纹理保护膜或背面玻璃盖板62的内表面贴附有所述纹理保护膜，还可以正面玻璃盖板61的内表面和背面玻璃盖板62的内表面均贴附有所述纹理保护膜。
如图7、图8所示，在贴附纹理保护膜时，可将纹理保护膜的第一光学膜4与玻璃盖板通过光学胶8粘接。第二光学膜5远离所述第二纹理层3的一侧可以设置用于遮挡光线的油墨层9，从而防止手机漏光。需要说明的是，油墨层9可以是一层、两层或多层，在此不做限定。另外，若纹理保护膜贴附在正面玻璃盖板61上，则油墨层9可避让开手机的显示区域 设置。
本领域技术人员可以理解，关于本发明实施例终端的其他构成等已为本领域的技术人员所熟知，在此不再详细说明。
本申请实施例还提供了一种纹理保护膜的制作方法，包括以下步骤：
在保护膜本体1的第一表面制作第一纹理层2；
在保护膜本体1与所述第一表面相对的第二表面上制作第二纹理层3，所述第二纹理层3与所述第一纹理层2能够叠加形成干涉纹理图案。
通过上述制作方法可得到具有双面纹理图案的纹理保护膜，相比于单面纹理图案，通过两层纹理干涉形成的纹理图案会产生更立体、更丰富、流动性更好的纹理炫光光影效果，能够增加玻璃材质产品的层次感、深度感、通透性和装饰效果，提升产品的竞争力和吸引力。
其中，在保护膜本体1的第一表面制作第一纹理层2可以包括以下步骤：在保护膜本体1的第一表面涂覆UV胶层，并在UV胶层表面压印微纳米级别的沟槽纹理。
在保护膜本体1的第二表面制作第二纹理层3可以包括以下步骤：在保护膜本体1的第二表面涂覆UV胶层，并在UV胶层表面压印微纳米级别的沟槽纹理。
上述压印工艺可以通过纹理模具实现。
其中，干涉纹理图案可以为摩尔纹，例如，可使所述第一纹理层2的图案与所述第二纹理层3的图案相同，且第二纹理层3的图案相对于第一纹理层2的图案偏转一定角度，以使第一纹理层2与第二纹理层3叠加干涉形成摩尔纹图案。
在进行压印工艺时，第一纹理层2的图案与第二纹理层3的图案可以有多种选择，只要能够干涉形成摩尔纹图案即可，例如，第一纹理层2的图案与第二纹理层3的图案可以均压印成网格状纹理；也可以如图2、图3所示，第一纹理层2包括多条相互平行且间隔排列的第一直线条纹21，所述第二纹理层3包括多条相互平行且间隔排列的第二直线条纹31，所述第一直线条纹21在所述第二表面上的投影与所述第二直线条纹31形成10度的夹角。由此，当第一纹理层2和第二纹理层3叠加后可看到类似图4所示的摩尔纹。该摩尔纹能够增加玻璃材质产品(如手机的玻璃盖板)的层次感、深度感、通透性和装饰效果。
上述制作方法的工艺参数可以选择如下范围：第一直线条纹21沿垂直于所述第一表面的方向的厚度h可以选择为2um至20um之间，第一直线条纹21沿平行于所述第一表面的方向的宽度d为20-200um，相邻两条所述第一直线条纹21的间距w可以为20um至250um之间，第二直线条纹31的各项参数与上述第一直线条纹21的各项参数相同。上述参数范围内可以进行上百种图案变化，搭配出很多种意想不到的外观效果，选择上述参数范围可提高产品的工艺效果和外观品质。
在本说明书的描述中，具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以所述权利要求的保护范围为准。

Claims (20)

  1. 一种纹理保护膜，其特征在于，包括：保护膜本体，所述保护膜本体的第一表面设有第一纹理层，所述保护膜本体的第二表面设有第二纹理层，所述第一表面与所述第二表面相对，所述第一纹理层与所述第二纹理层叠加形成干涉纹理图案。
  2. 根据权利要求1所述的纹理保护膜，其特征在于，所述第一纹理层的图案与所述第二纹理层的图案相同，第二纹理层的图案相对于第一纹理层的图案偏转一定角度，所述第一纹理层与所述第二纹理层叠加干涉形成摩尔纹图案。
  3. 根据权利要求2所述的纹理保护膜，其特征在于，所述第一纹理层包括多条相互平行且间隔排列的第一直线条纹，所述第二纹理层包括多条相互平行且间隔排列的第二直线条纹，所述第一直线条纹在所述第二表面上的投影与所述第二直线条纹形成大于0度的夹角。
  4. 根据权利要求3所述的纹理保护膜，其特征在于，所述第一直线条纹沿垂直于所述第一表面的方向的厚度为2-20um，所述第二直线条纹沿垂直于所述第二表面的方向的厚度为2-20um。
  5. 根据权利要求3所述的纹理保护膜，其特征在于，所述第一直线条纹沿平行于所述第一表面的方向的宽度为20-200um，所述第二直线条纹沿平行于所述第二表面的方向的宽度为20-200um。
  6. 根据权利要求3-5中任一项所述的纹理保护膜，其特征在于，所述相邻两条所述第一直线条纹的间距为20-250um，所述相邻两条所述第二直线条纹的间距为20-250um。
  7. 根据权利要求3-6中任一项所述的纹理保护膜，其特征在于，所述第一直线条纹的外表面为圆弧面。
  8. 根据权利要求1-7中任一项所述的纹理保护膜，其特征在于，所述保护膜本体为PET膜。
  9. 根据权利要求1-8中任一项所述的纹理保护膜，其特征在于，所述第一纹理层和所述第二纹理层均由UV胶水压印形成。
  10. 根据权利要求1-9中任一项所述的纹理保护膜，其特征在于，所述第一纹理层远离所述第一表面的一侧设有第一光学膜，所述第二纹理层远离所述第二表面的一侧设有第二光学膜，所述第一光学膜和所述第二光学膜用于增加透光度、增加亮度和/或形成色彩。
  11. 一种终端，包括玻璃盖板，所述玻璃盖板的内表面贴附有权利要求1-10中任一项所述的纹理保护膜。
  12. 根据权利要求11所述的终端，其特征在于，所述终端包括中框主壳体，所述中框主壳体内设有显示模组，所述中框主壳体的正面出光侧设有正面玻璃盖板，所述中框主壳体的背面设有背面玻璃盖板，所述正面玻璃盖板和/或所述背面玻璃盖板的内表面贴附有所述纹理保护膜。
  13. 一种纹理保护膜的制作方法，其特征在于，包括以下步骤：
    在保护膜本体的第一表面制作第一纹理层；
    在保护膜本体与所述第一表面相对的第二表面上制作第二纹理层，所述第二纹理层与所述第一纹理层能够叠加形成干涉纹理图案。
  14. 根据权利要求13所述的纹理保护膜的制作方法，其特征在于，所述在保护膜本体的第一表面制作第一纹理层包括：在保护膜本体的第一表面涂覆UV胶层，并在UV胶层表面压印微纳米级别的沟槽纹理。
  15. 根据权利要求13所述的纹理保护膜的制作方法，其特征在于，所述在保护膜本体的第二表面制作第二纹理层包括：在保护膜本体的第二表面涂覆UV胶层，并在UV胶层表面压印微纳米级别的沟槽纹理。
  16. 根据权利要求13-15中任一项所述的纹理保护膜的制作方法，其特征在于，所述第一纹理层的图案与所述第二纹理层的图案相同，第二纹理层的图案相对于第一纹理层的图案偏转一定角度，所述第一纹理层与所述第二纹理层叠加形成摩尔纹图案。
  17. 根据权利要求16所述的纹理保护膜的制作方法，其特征在于，所述第一纹理层包括多条相互平行的第一直线条纹，所述第二纹理层包括多条相互平行的第二直线条纹，所述第一直线条纹在所述第二表面上的投影与所述第二直线条纹形成大于0度的夹角。
  18. 根据权利要求17所述的纹理保护膜的制作方法，其特征在于，所述第一直线条纹沿垂直于所述第一表面的方向的厚度为2-20um，所述第二直线条纹沿垂直于所述第二表面的方向的厚度为2-20um。
  19. 根据权利要求17或18所述的纹理保护膜的制作方法，其特征在于，所述第一直线条纹沿平行于所述第一表面的方向的宽度为20-200um，所述第二直线条纹沿平行于所述第二表面的方向的宽度为20-200um。
  20. 根据权利要求17-19中任一项所述的纹理保护膜的制作方法，其特征在于，相邻两条所述第一直线条纹的间距为20-250um，相邻两条所述第二直线条纹的间距为20-250um。
PCT/CN2019/096144 2018-07-20 2019-07-16 一种纹理保护膜、终端及纹理保护膜的制作方法 WO2020015631A1 (zh)

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