CN221757058U - Micro-nano structure cover plate and electronic equipment - Google Patents

Abstract

The utility model discloses a micro-nano structure cover plate and electronic equipment, comprising: the transparent cover plate, the adhesive layer and the super-elastic body layer; at least one surface of the transparent cover plate is provided with a micro-nano structure; the transparent cover plate is in adhesive connection with the super-elastic body layer through the adhesive layer; the micro-nano structure is a periodically continuous undulating shape or an aperiodic continuous undulating shape. According to the utility model, different optical effects and fine texture patterns obtained by reflecting, diffracting or scattering light and the like of the micro-nano structure on the surface of the transparent cover plate are utilized, so that the appearance effect of the shell assembly is greatly improved, and the super-elastic body layer is arranged, so that the micro-nano structure cover plate has strong stretching recovery capability, can effectively absorb external impact force and vibration, protects equipment from being damaged, and prolongs the service life of the cover plate.

Description

Micro-nano structure cover plate and electronic equipment

Technical Field

The utility model relates to the technical field of micro-nano structure cover plate shells, in particular to a micro-nano structure cover plate and electronic equipment.

Background

With the transition of the times, electronic products occupy important positions in mass consumption, the demands of people on the electronic products are greatly increased, and with the rapid development of science and technology, the design of the electronic products is not only limited to functionalization, but also the appearance design of the products becomes a modern mainstream trend. Taking a mobile phone as an example, the design of the decorative effect of the rear cover not only can improve the product value, but also satisfies the higher pursuit of the public on the aesthetic feeling and artistic feeling of the mobile phone. The cover plate of the electronic product at present is mostly made of plastic or metal, and the single style cannot meet the pursuit of fashion and individuality by people at present. The plastic cover plate and the metal cover plate have a plurality of defects, wherein the plastic cover plate has serious homogenization, is easy to fade after long-time use, and affects the use attractiveness; the metal cover plate has the defects of strong interference to signals, easy scratching and the like although the appearance is attractive. In order to avoid interference of metal on signals, most metal cover plate products have to be designed in a three-section mode, the design is complex, and the integrity and aesthetic feeling of the metal cover plate products are affected.

With the development of electronic products such as smart phones, consumers have higher and higher requirements on the performance of the electronic products, and meanwhile, the requirements on the comfort and the appearance of the electronic products are continuously improved, and the very important part of the appearance of the electronic products is the texture arrangement of the electronic products. The whole appearance of the glass cover plate of the current electronic product is tedious, the display effect is single, layering is lacking, user experience is poor, and eyeballs of consumers cannot be attracted more. The existing texture processing technology mainly comprises direct silk screen printing on a glass substrate, but the wire mesh film used cannot be too small in wire width and wire distance, the appearance is rough, the effect of fine textures cannot be achieved, and the decorative effect of patterns is affected.

Disclosure of utility model

In order to solve the defects in the prior art, the utility model provides a better micro-nano structure cover plate, which has comprehensive phenomena of optical reflection, refraction, diffraction, scattering and the like generated by a surface micro-nano structure, and can be used for expressing information of colors, contrast, dynamics, stereo and the like of characters, images and textures so as to replace the traditional ink printing process; the inner super-elastic body layer can enable the micro-nano structure cover plate to have strong stretching recovery capability, can quickly recover after being bent or stretched, can effectively absorb external impact force and vibration, protects equipment from being damaged, and prolongs the service life of the cover plate.

The technical problems to be solved by the utility model are realized by the following technical scheme: a micro-nanostructure cover plate, comprising: the transparent cover plate, the adhesive layer and the super-elastic body layer; at least one surface of the transparent cover plate is provided with a micro-nano structure; the transparent cover plate is in adhesive connection with the super-elastic body layer through the adhesive layer; the micro-nano structure is a periodically continuous undulating shape or an aperiodic continuous undulating shape.

Further, the micro-nano structure has at least one of a triangular pyramid, a triangular prism, a rectangular pyramid and a rectangular prism.

Further, the height of the micro-nano structure is 3-7 micrometers, or the width of the micro-nano structure is 6-10 micrometers.

Further, the spacing between two adjacent micro-nano structures is 0-50 micrometers.

Further, the micro-nano structure is processed on the surface of the transparent cover plate by an electron beam.

Further, the transparent cover plate is a PET film or a PVC substrate.

Further, the thickness of the adhesive layer is 25-250um.

Further, the adhesive layer is any one of thermosetting adhesive, photosensitive adhesive, acrylic adhesive, silicon adhesive and polyvinyl butyral resin adhesive.

Further, the super-elastic layer is any one of rubber super-elastic body, gel super-elastic body and polyurethane super-elastic body.

An electronic device comprising any one of the micro-nanostructure cover plates described above.

The utility model has the following beneficial effects: a micro-nano structure cover plate and an electronic device, comprising: the transparent cover plate, the adhesive layer and the super-elastic body layer; at least one surface of the transparent cover plate is provided with a micro-nano structure; the transparent cover plate is in adhesive connection with the super-elastic body layer through the adhesive layer; the micro-nano structure is a periodically continuous undulating shape or an aperiodic continuous undulating shape.

According to the utility model, different optical effects of reflection, diffraction, scattering and the like of light are obtained through the micro-nano structure on the surface of the transparent cover plate, and the arrangement of the double-layer nano structure can realize richer and more three-dimensional and finer texture patterns, so that the appearance effect of the shell assembly is greatly improved; and the micro-nano structure cover plate has strong stretching recovery capability through the super-elastic body layer, so that the external impact force and vibration can be effectively absorbed, the equipment is protected from being damaged, and the service life of the cover plate is prolonged.

Drawings

In order to more clearly illustrate the solution of the present application, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a micro-nanostructure cover plate structure according to the present utility model;

FIG. 2 is a schematic illustration of a micro-nanostructure pitch according to the present utility model;

FIG. 3 is a schematic view of a transparent cover plate according to the present utility model;

FIG. 4 is a schematic view of the structure of the surface coating of the transparent cover plate of the utility model;

FIG. 5 is a schematic perspective view of a micro-nano cover plate according to the present utility model;

fig. 6 is a schematic perspective view of another micro-nano structure cover plate according to the utility model.

1. A transparent cover plate; 11. a micro-nano structure; 12. a coating layer; 2. an adhesive layer; 3. and a super elastomer layer.

Detailed Description

The present utility model is described in detail below with reference to the drawings and the embodiments, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, or can be communicated between two elements or the interaction relationship between the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Examples

As shown in fig. 1, the present utility model provides a micro-nano structure cover plate, comprising: a transparent cover plate 1, an adhesive layer 2 and a super-elastic body layer 3; at least one surface of the transparent cover plate 1 is provided with a micro-nano structure 11; the transparent cover plate 1 is in adhesive connection with the super-elastic body layer 3 through the adhesive layer 2; the micro-nano structure 11 is a periodically continuous undulating shape or an aperiodically continuous undulating shape.

According to the utility model, the micro-nano structure 11 is arranged on the surface of the transparent cover plate 1, and the micro-nano structures 11 with different shapes show different texture effects, when incident light irradiates the transparent cover plate 1, the micro-nano structure 11 disperses the incident light to various angles, so that the absorptivity and reflectivity of the material surface to light are changed, the color of the object surface is changed, a fine texture effect is obtained, the arrangement of the double-layer nano structure can realize richer and more three-dimensional and finer texture patterns, the appearance effect of a shell assembly is greatly improved, and the transparent cover plate 1 is bonded and connected with the super-elastomer layer 3 through the adhesive layer 2; the super-elastic body layer 3 has strong stretching recovery capability, can quickly recover after being bent or stretched, can effectively reduce the impact and vibration on the cover plate, and prolongs the service life of the cover plate.

It should be noted that the processing method of the micro-nano structure 11 is the prior art, and refers to a process of converting an image or texture into a micro-nano structure by a digitizing technology. When the optical texture film is manufactured, the optical texture film can be realized by using micro-machining technologies such as electron beam, holographic technology, laser writing, ultra-precise machining technology, electrochemistry and the like. These processing techniques can convert digitized image or texture information into tiny relief structures, typically on the micrometer or nanometer scale in size. By adjusting the shape, size, distribution, etc. parameters of these structures, different optical effects can be achieved. For example, by electron beam or laser writing, tiny pits or bumps can be made in the film surface, which can alter the refraction, reflection and scattering of light, thereby exhibiting different optical effects. The holographic technology can utilize the interference principle to manufacture complex optical textures on the film surface, so as to realize more stereoscopic and vivid effects. In summary, by these micro-processing techniques, the micro-nano structure 11 can be formed on the surface of the optical texture film, thereby realizing various optical effects.

As shown in fig. 5, the micro-nano structure 11 is in a periodically continuous undulating shape, and the micro-nano structure 11 is in a quadrangular prism shape; the shape of the micro-nano structure 11 is a triangular prism as shown in fig. 6, the utility model is not particularly limited to the form of the texture, and the shape of the micro-nano structure 11 may be at least one of a triangular pyramid or a rectangular pyramid. The texture may be a dot-like gradual texture, a wavy texture, or the like, and may be set as required by those skilled in the art.

As shown in fig. 2, the height D1 of the micro-nano structure 11 is 3-7 micrometers, or the width D2 of the micro-nano structure 11 is 6-10 micrometers. The micro-nano structure with the size can provide diversified texture effects for the transparent cover plate 1, and the micro-nano structure enables the transparent cover plate 1 to have optical texture effects or fine texture patterns, so that the texture decorative effect of the transparent cover plate 1 can be further improved, the texture is fine, the texture of the transparent cover plate 1 is improved, the touch feeling is good, and the manufacturing dimensional accuracy of the micro-nano structure is improved. In some embodiments of the utility model, the micro-nanostructures have a height of 5 to 8 microns and/or the micro-nanostructures have a width of 10 to 80 microns. Therefore, the optical texture effect is better, and the appearance effect of the transparent cover plate 1 is further better improved.

The "optical texture effect" refers to different optical effects obtained by reflection, diffraction, or scattering of light due to light irradiated on the micro-nano structure, and the optical effects include, but are not limited to, the following: various stereoscopic or non-stereoscopic appearance effects such as glare, streamer (flowing shadow), frosting, stitching, etc., or lenses.

Further, the distance D3 between two adjacent micro-nanostructures 11 is 0-50 micrometers.

According to the embodiment of the utility model, the space between two adjacent micro-nano structures is not particularly required, and a person skilled in the art can flexibly select according to the specific design of the overall texture of the surface of the cover plate, and the requirement is not limited.

Further, the micro-nano structure 11 is processed on the surface of the transparent cover plate 1 by electron beams.

Examples

In this embodiment, the transparent cover plate 1 is a PET film or PVC substrate, which has excellent mechanical properties, tensile resistance, impact resistance, fatigue resistance, abrasion resistance, high hardness, and good light transmittance, and is very suitable for use as an optical texture cover plate, and when the thickness of the transparent cover plate is made ultra-thin, the flexibility of the transparent cover plate is also relatively good. The thickness of the transparent cover plate 1 is 0.1-0.25mm.

As shown in fig. 3, the surface of the transparent cover plate 1 is provided with a micro-nano structure 11, and in some embodiments, the micro-nano structure 11 can be understood as a protruding structure on the surface of the transparent cover plate 1, and the protruding structure and the micro-nano structure 11 on the bottom surface cooperate to realize finer and three-dimensional texture effect of the transparent cover plate 1, and further, the protruding structure can realize frosted hand feeling of the transparent cover plate 1, so as to achieve more comfortable holding feeling.

In another preferred embodiment of the present embodiment, as shown in fig. 4, a coating layer 12 is disposed on the surface of the transparent cover plate 1 to improve optical performance. For example, AG film, AR film or AF film is plated on the surface, high light transmittance and low reflection performance of the cover plate can be realized, reflection and scattering on the surface of the cover plate can be reduced, the visible angle is improved, interference of ambient light is reduced, and the cover plate texture is clearer and transparent due to higher transparency.

In a further preferred embodiment of this embodiment, the surface of the transparent cover plate 1 is treated by a hard coating treatment technology, so as to enhance the wear resistance and scratch resistance of the transparent cover plate, and also improve the surface smoothness and transparency of the transparent cover plate. The technology generally adopts a special chemical coating or physical evaporation deposition technology to form a hard protective layer on the surface of the transparent cover plate 1, thereby effectively preventing scratches and abrasion and improving the chemical corrosion resistance.

In the utility model, the thickness of the adhesive layer 2 is 25-250um, and the adhesive layer 2 is any one of thermosetting glue, photosensitive glue, acrylic glue, silicon glue and polyvinyl butyral resin glue.

Further, the super-elastic layer 3 is any one of rubber super-elastic body, gel super-elastic body and polyurethane super-elastic body.

The rubber super elastomer is an elastic material, has excellent compression resistance and wear resistance, and can effectively protect equipment from being damaged by external impact and friction; the gel super-elastomer is a material with shock absorption and buffering properties, can effectively absorb external impact force and shock, and protects equipment from damage; the polyurethane super-elastomer is an elastic material, has excellent wear resistance and high temperature resistance, and can effectively protect equipment from scratches and high temperature burning.

Examples

The utility model also provides electronic equipment, which is provided with the micro-nano structure cover plate provided by the embodiment of the utility model, and comprises the following components: a transparent cover plate 1, an adhesive layer 2 and a super-elastic body layer 3; at least one surface of the transparent cover plate 1 is provided with a micro-nano structure 11; the transparent cover plate 1 is in adhesive connection with the super-elastic body layer 3 through the adhesive layer 2; the micro-nano structure 11 is a periodically continuous undulating shape or an aperiodically continuous undulating shape. According to the utility model, the micro-nano structure 11 is arranged on the surface of the transparent cover plate 1, and the micro-nano structures 11 with different shapes show different texture effects, when incident light irradiates the transparent cover plate 1, the micro-nano structure 11 disperses the incident light to various angles, so that the absorptivity and reflectivity of the material surface to light are changed, the color of the object surface is changed, a fine texture effect is obtained, the arrangement of the double-layer nano structure can realize richer and more stereoscopic and finer texture patterns, the appearance effect of the shell assembly is greatly improved, and the micro-nano structure cover plate can have strong stretching recovery capability through the super elastomer layer, so that external impact force and vibration can be effectively absorbed, equipment is protected from being damaged, and the service life of the cover plate is prolonged.

Finally, it should be noted that the foregoing embodiments are merely for illustrating the technical solution of the embodiments of the present utility model and are not intended to limit the embodiments of the present utility model, and although the embodiments of the present utility model have been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the embodiments of the present utility model may be modified or replaced with the same, and the modified or replaced technical solution may not deviate from the scope of the technical solution of the embodiments of the present utility model.

Claims (10)

1. A micro-nanostructure cover plate, comprising: a transparent cover plate (1), an adhesive layer (2) and a super-elastic body layer (3); at least one surface of the transparent cover plate (1) is provided with a micro-nano structure (11); the transparent cover plate (1) is in adhesive connection with the super-elastic body layer (3) through the adhesive layer (2); the micro-nano structure (11) is a periodically continuous undulating shape or an aperiodic continuous undulating shape.

2. The micro-nanostructured cover plate according to claim 1, wherein: the micro-nano structure (11) is at least one of triangular pyramid, triangular prism, rectangular pyramid and rectangular prism.

3. The micro-nanostructured cover plate according to claim 1, wherein: the height of the micro-nano structure (11) is 3-7 micrometers, or the width of the micro-nano structure (11) is 6-10 micrometers.

4. The micro-nanostructured cover plate according to claim 1, wherein: the spacing between two adjacent micro-nano structures (11) is 0-50 micrometers.

5. The micro-nanostructured cover plate according to claim 1, wherein: the micro-nano structure (11) is processed on the surface of the transparent cover plate (1) by electron beams.

6. The micro-nanostructured cover plate according to claim 1, wherein: the transparent cover plate (1) is a PET film or a PVC base material.

7. The micro-nanostructured cover plate according to claim 1, wherein: the thickness of the adhesive layer (2) is 25-250um.

8. The micro-nanostructured cover plate according to claim 1, wherein: the adhesive layer (2) is any one of thermosetting adhesive, photosensitive adhesive, acrylic adhesive, silicon adhesive and polyvinyl butyral resin adhesive.

9. The micro-nanostructured cover plate according to claim 1, wherein: the super-elastic body layer (3) is any one of rubber super-elastic body, gel super-elastic body and polyurethane super-elastic body.

10. An electronic device, characterized in that it comprises a micro-nano structured cover plate according to any one of claims 1 to 9.