Micro texture structure, housing and electronic device

Abstract

The present application relates to the technical field of electronic equipment assembly and manufacturing, and in particular to a micro-texture structure, a housing and an electronic device. The micro-texture structure includes a main body side reflection surface, a main body bottom connection surface and a main body top connection surface. The slope of the main body side reflection surface is k1, the connection with the main body bottom connection surface is a, and the connection with the main body top connection surface is b; the connection between the base surface and the main body bottom connection surface is c, and the slope of the connection is k2; it satisfies: the first-order derivative f'(x) of f(x) is continuous, f'(a)=k1, f'(c)=k2; the first-order derivative g'(x) of g(x) is continuous, g'(b)=k1. Through the main body side reflection surface, it is ensured that a certain amount of light is reflected in the same direction, ensuring the fluidity of light and shadow. Since the slope at the connection is continuous, there is a transitional reflected light, which eliminates the light and shadow breakage and interference caused by the sudden change in the angle of the reflected light caused by the discontinuity of the structural surface break, and improves the smoothness of light and shadow.

Description

Technical Field

[0001] The present application relates to the technical field of electronic equipment assembly and manufacturing, and in particular to a micro-texture structure, a housing and an electronic equipment. Background Art

[0002] At present, with the continuous advancement of science and technology, people use more and more electronic devices in their lives, such as mobile phones, which are used very frequently. While people are pursuing more functions of electronic devices, their demand for the external aesthetics they can present is also increasing. For example, the appearance of decorative textures is becoming more and more diverse.

[0003] However, the traditional line grating light and shadow texture has the problems of complex line paving, mottled light and shadow, and the light and shadow flow is not smooth enough. Summary of the invention

[0004] Based on this, the present application provides a micro-texture structure, a housing and an electronic device to solve the problem that the flow of light and shadow is not smooth enough.

[0005] In one aspect, the present application provides a micro-textured structure, comprising:

[0006] A base layer, the base layer having a base surface;

[0007] A plurality of micro-texture structural units, wherein the micro-texture structural units are arranged on the base surface, and the micro-texture structural units include a structural main body;

[0008] The main body of the structure includes a main body side reflection surface, a main body bottom connection surface and a main body top connection surface, one side of the main body side reflection surface is connected to the base surface through the main body bottom connection surface, and the other side of the main body side reflection surface is connected to the main body top connection surface;

[0009] Among them, in any section perpendicular to the base surface, the slope of the main body side reflecting surface is k1, the connection between the main body side reflecting surface and the main body bottom connecting surface is a, and the connection between the main body side reflecting surface and the main body top connecting surface is b; the connection between the base surface and the main body bottom connecting surface is c, and the slope of the connection is k2; the main body bottom connecting surface and the main body top connecting surface are curved surfaces, the curve formula of the main body bottom connecting surface is f(x), and the curve formula of the main body top connecting surface is g(x), which satisfies: the first-order derivative f'(x) of f(x) is continuous, f'(a)=k1, f'(c)=k2; the first-order derivative g'(x) of g(x) is continuous, g'(b)=k1.

[0010] In a possible implementation, the main body portion of the structure further includes a main body top reflective surface, and a side of the main body top connecting surface away from the main body side reflective surface is connected to the main body top reflective surface;

[0011] Among them, in any section perpendicular to the base surface, the slope of the main body top reflection surface is k3, and the connection point with the main body top connection surface is d; g (x) satisfies: g' (d) = k3.

[0012] In a possible implementation, the micro-texture structure unit further includes a structure end portion, the structure end portion is connected to both sides of the structure main body portion, the structure end portion includes an end side reflection surface, an end bottom connection surface and an end top connection surface, one side of the end side reflection surface is connected to the base surface through the end bottom connection surface, and the other side of the end side reflection surface is connected to the end top connection surface;

[0013] Among them, in any section perpendicular to the base surface, the slope of the end side reflection surface is k4, the connection with the end bottom connecting surface is e, and the connection with the end top connecting surface is f; the connection between the base surface and the end bottom connecting surface is g, and the slope of the connection is k5; the end bottom connecting surface and the end top connecting surface are curved surfaces, the curve formula of the end bottom connecting surface is h(x), and the curve formula of the end top connecting surface is i(x), satisfying: the first-order derivative h'(x) of h(x) is continuous, h'(e)=k4, h'(g)=k5; the first-order derivative i'(x) of i(x) is continuous, i'(f)=k4.

[0014] In a possible implementation, the structure end further includes an end top reflective surface, and a side of the end top connecting surface away from the end side reflective surface is connected to the end top reflective surface;

[0015] Among them, in any section perpendicular to the base surface, the slope of the end top reflection surface is k6, and the connection point with the end top connection surface is h; i (x) satisfies: i' (h) = k6.

[0016] In a possible implementation, the top reflective surface of the end and the top reflective surface of the main body are the same continuous plane, the bottom connecting surface of the main body is connected to the bottom connecting surface of the end, the top connecting surface of the main body is connected to the top connecting surface of the end, and the side reflective surface of the main body is connected to the side reflective surface of the end.

[0017] In a possible implementation, the surface formula of the bottom connecting surface of the main body is f(x, y), the surface formula of the top connecting surface of the main body is g(x, y), the surface formula of the bottom connecting surface of the end is h(x, y), the surface formula of the top connecting surface of the end is i(x, y), the surface formula of the side reflecting surface of the main body is j(x, y), and the surface formula of the side reflecting surface of the end is k(x, y), satisfying:

[0018] At the connection between the bottom connection surface of the main body and the bottom connection surface of the end, f'(x, y) = h'(x, y);

[0019] At the connection between the top connection surface of the main body and the top connection surface of the end, g'(x, y) = i'(x, y);

[0020] At the connection point between the main body side reflection surface and the end side reflection surface, j'(x, y)=k'(x, y).

[0021] In a possible implementation, on the coordinate axis of the base surface, the angle between the length direction of the structure main body and the horizontal axis direction of the coordinate axis is α, and the angle of at least one microtexture structure unit is different from the angles of other microtexture structure units.

[0022] In a possible implementation, the micro-texture structural units are protrusions and / or depressions on the base surface.

[0023] In a possible implementation, the surface of the micro-texture structure unit is a frosted surface.

[0024] In a possible implementation, the length of the micro-texture structure unit is L, the length of the main structure portion is L1, the length of the structure end portion is L2, and L satisfies: L=L1+2L2, 5 um≤L≤1 mm.

[0025] In a possible implementation, L1 and L2 satisfy: L1=4L2.

[0026] In a possible implementation, the width of the micro-texture structure unit is W, and W satisfies: 0.1L≤W≤0.5L.

[0027] In a possible implementation, W satisfies: W=0.2L.

[0028] In a possible implementation, on the base surface, within a circular range with a diameter of L, there is at most one micro-texture structure unit.

[0029] In a possible implementation, the height of the micro-texture structure unit is H, and H satisfies: 3um≤H≤100um.

[0030] In a possible implementation, the included angle between the main body side reflective surface and the base surface is a, and a satisfies: 10°≤a≤80°.

[0031] In one possible implementation, a=30°.

[0032] In a possible implementation, the base surface is a plane or at least a G1-continuous curved surface.

[0033] On the other hand, the present application provides a shell, which is provided with the above-mentioned micro-texture structure.

[0034] On the other hand, the present application provides an electronic device, including the above-mentioned housing.

[0035] The micro-texture structure, shell and electronic device provided by the present application ensure that a certain amount of light can be reflected in the same direction to form sufficiently effective light and shadow with sufficient brightness, thereby ensuring the fluidity of light and shadow and improving the effect of light and shadow. At the same time, the main body bottom connecting surface and the main body top connecting surface connected to the main body side reflecting surface have slopes of k1 at the connection a and the connection b, which are consistent with the slope k1 of the main body side reflecting surface, so that the connection between the main body side reflecting surface and the main body bottom connecting surface, and the connection between the main body side reflecting surface and the main body top connecting surface are smooth. The slope of the connection c between the main body bottom connecting surface and the base surface on the main body bottom connecting surface and the slope on the base surface are both k2, so that the connection between the main body bottom connecting surface and the base surface is smooth. The first-order derivatives of the main body bottom connecting surface and the main body top connecting surface are respectively continuous, so that the main body bottom connecting surface and the main body top connecting surface are smooth, ensuring the presence of reflected light with transition effect, eliminating the light and shadow breakage and interference caused by the angle mutation of the reflected light caused by the angle mutation of the adjacent reflecting surfaces, that is, the discontinuity of the structural surface fracture, thereby improving the fluency of light and shadow and making the texture effect cleaner and smoother. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0037] Figure 1 A schematic diagram of the structure of a micro-texture structure unit provided in an embodiment of the present application;

[0038] Figure 2 for Figure 1 A front view of the microtexture structure unit shown;

[0039] Figure 3 for Figure 1 A top view of the microtexture structure unit shown;

[0040] Figure 4 for Figure 3 A cross-sectional view of the microtexture structure unit along AA;

[0041] Figure 5 for Figure 1 A schematic diagram of the connection of the micro-texture structure unit at the main body of the structure;

[0042] Figure 6 for Figure 3 A cross-sectional view of the microtexture structure unit along BB;

[0043] Figure 7 for Figure 1 A schematic diagram of the connection of the micro-texture structural unit at the end of the structure;

[0044] Figure 8 for Figure 1 Schematic diagram of light reflected by a microtexture structure unit;

[0045] Fig. 9 It is a schematic diagram of light reflected by a hemispherical structure in the prior art;

[0046] Fig.10 A schematic diagram of light reflection by a triangular structure in the prior art;

[0047] Fig.11 for Figure 1 Schematic diagram of the size of the microtexture structure unit shown;

[0048] Fig.12 for Figure 1 A side view of the microtexture structural unit shown;

[0049] Fig.13 A schematic diagram of the boundary of the micro-texture structure provided in an embodiment of the present application.

[0050] Description of reference numerals:

[0051] 100-microtexture structural unit; 10-structural main body; 11-main body side reflection surface; 12-main body bottom connection surface; 13-main body top connection surface; 14-main body top reflection surface; 20-structural end; 21-end side reflection surface; 22-end bottom connection surface; 23-end top connection surface; 24-end top reflection surface; 300-base surface; 400-hemispherical structure; 500-triangular structure. DETAILED DESCRIPTION

[0052] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme in the embodiment of the present application will be described in more detail below in conjunction with the drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals throughout represent the same or similar parts or parts with the same or similar functions. The described embodiments are part of the embodiments of the present application, not all of the embodiments. The embodiments described below with reference to the drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limitations on the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application. The embodiments of the present application are described in detail below in conjunction with the drawings.

[0053] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, or it can be an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0054] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are orientations or positional relationships based on the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0055] The terms "first", "second" and "third" (if any) in the specification and claims of this application and the above drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0056] In addition, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or display comprising a series of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, product, or display.

[0057] At present, with the continuous advancement of science and technology, people use more and more electronic devices in their lives, such as mobile phones, car navigation, car audio and other electronic devices are used very frequently. While people are pursuing more functions of electronic devices, their demand for the external aesthetics they can present is also increasing. For example, the appearance of decorative textures is becoming more and more diverse.

[0058] However, the traditional line grating light and shadow texture has the problems of complex line paving, mottled light and shadow, and the light and shadow flow is not smooth enough.

[0059] After repeated thinking and verification, the inventors found that if the slope of the connection between the micro-textured reflective surface and its connecting surface is set to the same, the light and shadow effects on the reflective surface can be maintained while reducing the light and shadow breaks and interference caused by angle changes, thereby improving the smoothness of the light and shadow.

[0060] In view of this, the present application provides a micro-texture structure, comprising:

[0061] A base layer, the base layer having a base surface;

[0062] A plurality of micro-texture structural units, wherein the micro-texture structural units are arranged on the base surface, and the micro-texture structural units include a structural main body;

[0063] The main body of the structure includes a main body side reflection surface, a main body bottom connection surface and a main body top connection surface, one side of the main body side reflection surface is connected to the base surface through the main body bottom connection surface, and the other side of the main body side reflection surface is connected to the main body top connection surface;

[0064] Among them, in any section perpendicular to the base surface, the slope of the main body side reflecting surface is k1, the connection between the main body side reflecting surface and the main body bottom connecting surface is a, and the connection between the main body side reflecting surface and the main body top connecting surface is b; the connection between the base surface and the main body bottom connecting surface is c, and the slope of the connection is k2; the main body bottom connecting surface and the main body top connecting surface are curved surfaces, the curve formula of the main body bottom connecting surface is f(x), and the curve formula of the main body top connecting surface is g(x), which satisfies: the first-order derivative f'(x) of f(x) is continuous, f'(a)=k1, f'(c)=k2; the first-order derivative g'(x) of g(x) is continuous, g'(b)=k1.

[0065] Since there is a main body side reflection surface with a slope of k1 in the main body of the structure, it is ensured that a certain amount of light can be reflected in the same direction to form a sufficiently effective brightness light and shadow, ensure the fluidity of light and shadow, and improve the effect of light and shadow. At the same time, the main body bottom connecting surface and the main body top connecting surface connected to the main body side reflection surface have a slope of k1 at the connection a and the connection b, which is consistent with the slope k1 of the main body side reflection surface, so that the connection between the main body side reflection surface and the main body bottom connecting surface, and the connection between the main body side reflection surface and the main body top connecting surface are smooth. The slope of the connection c between the main body bottom connecting surface and the base surface on the main body bottom connecting surface and the slope on the base surface are both k2, so that the connection between the main body bottom connecting surface and the base surface is smooth. The first-order derivatives of the main body bottom connecting surface and the main body top connecting surface are respectively continuous, so that the main body bottom connecting surface and the main body top connecting surface are smooth, ensuring the presence of reflected light with transition effect, eliminating the light and shadow breakage and interference caused by the angle mutation of the reflected light caused by the discontinuous structural surface fracture due to the angle mutation of the adjacent reflection surfaces, that is, the angle mutation of the reflected light caused by the discontinuity of the structural surface, improving the fluency of the light and shadow, and making the texture effect cleaner and smoother.

[0066] The contents of the present application will be described in detail below in conjunction with the accompanying drawings so that those skilled in the art can understand the contents of the present application more clearly and in detail.

[0067] Figure 1 This is a schematic diagram of the structure of the micro-texture structure unit provided in an embodiment of the present application. Figure 2 for Figure 1 Front view of the microtexture structure unit shown. Figure 3 for Figure 1 A top view of the microtexture structure unit shown. Figure 4 for Figure 3 A cross-sectional view of the microtexture structure unit along AA is shown. Figure 5 for Figure 1 Schematic diagram of the connection of the micro-texture structure unit at the main body of the structure. Figure 6 for Figure 3 The cross-sectional view of the microtexture structure unit is shown along BB. Figure 7 for Figure 1 Schematic diagram of the connection of microtexture structural units at the ends of the structure. Figure 8 for Figure 1 Schematic diagram of light reflected by the microtexture structure unit shown. Fig. 9 It is a schematic diagram of light reflected by a hemispherical structure in the prior art. Fig.10 It is a schematic diagram of light reflection by a triangular structure in the prior art. Fig.11 for Figure 1 Schematic diagram of the dimensions of the microtexture structural unit shown. Fig.12 for Figure 1 Side view of the microtextured structural unit shown. Fig.13 A schematic diagram of the boundary of the micro-texture structure provided in an embodiment of the present application.

[0068] like Figure 1 As shown, the micro texture structure provided in the embodiment of the present application is used on the housing of electronic equipment, etc. The micro texture structure includes a base layer and a plurality of micro texture structure units 100. The plurality of micro texture structure units 100 are respectively arranged on the base layer to form a specific light and shadow pattern.

[0069] like Figure 5 As shown, the base layer has a base surface 300. The base surface 300 is an outer surface of a housing or the like.

[0070] In a possible implementation, the base surface 300 is a plane or at least a G1-continuous surface. G1-continuity means that the surface or curve is point-to-point continuous, and all connected line segments and surface patches are tangent to each other.

[0071] The micro-texture structure unit 100 is disposed on the base surface 300 .

[0072] Please also see Figure 2 and Figure 3 The micro texture structure unit 100 includes a structure main body 10 and a structure end 20. The structure end 20 is connected to both sides of the structure main body 10.

[0073] The main structure 10 is the main structure for forming light and shadow in the micro-texture structure unit 100. The end 20 is the functional structure.

[0074] Please also see Figure 4The main body 10 includes a main body side reflection surface 11, a main body bottom connection surface 12 and a main body top connection surface 13. Both sides of the main body side reflection surface 11 are connected to the main body bottom connection surface 12 and the main body top connection surface 13 respectively.

[0075] like Figure 5 As shown, on the base surface 300 , one side of the main body side reflective surface 11 is connected to the base surface 300 via the main body bottom connecting surface 12 , and the other side of the main body side reflective surface 11 is connected to the main body top connecting surface 13 .

[0076] Among them, in any cross section perpendicular to the base surface 300, the slope of the main body side reflective surface 11 is k1. The connection point between the main body side reflective surface 11 and the main body bottom connecting surface 12 is a. The connection point between the main body side reflective surface 11 and the main body top connecting surface 13 is b. The connection point between the base surface 300 and the main body bottom connecting surface 12 is c, and the slope of the connection point of the base surface 300 is k2.

[0077] The main body bottom connection surface 12 and the main body top connection surface 13 are curved surfaces.

[0078] Optionally, the curve formula of the main body bottom connecting surface 12 is f(x), and the curve formula of the main body top connecting surface 13 is g(x).

[0079] f(x) and g(x) satisfy: the first-order derivative f'(x) of f(x) is continuous, and the first-order derivative g'(x) of g(x) is continuous.

[0080] And, f'(a)=k1, g'(b)=k1, f'(c)=k2.

[0081] The main body side reflective surface 11 is the main part for forming light and shadow, and is used to reflect a certain amount of light at the same angle, thereby forming light and shadow with sufficient effective brightness in the same direction to ensure the fluidity of light and shadow.

[0082] In order to ensure the smoothness of light and shadow, the bottom connecting surface 12 of the main body and the top connecting surface 13 of the main body are respectively connected to one side of the main body side reflecting surface 11, and the slope at the connection with the main body side reflecting surface 11 is kept consistent with the slope of the main body side reflecting surface 11, so that part of the light is reflected to other angles on the bottom connecting surface 12 of the main body and the top connecting surface 13 of the main body to form reflected light with a transition effect, thereby eliminating the light and shadow breaks and interference caused by the sudden change in the angle of the reflected light on the reflecting surface adjacent to the main body side reflecting surface 11, that is, the sudden change in the angle of the structural surface caused by the discontinuity of the fracture, thereby improving the smoothness of light and shadow and making the texture effect cleaner and smoother.

[0083] In a possible implementation, the structural main body 10 further includes a main body top reflective surface 14. Both sides of the main body top connecting surface 13 are connected to the main body side reflective surface 11 and the main body top reflective surface 14 respectively.

[0084] like Figure 5 As shown, one side of the main body top connection surface 13 is connected to the side of the main body side reflection surface 11 away from the main body bottom connection surface 12 , and the other side of the main body top connection surface 13 is connected to the main body top reflection surface 14 .

[0085] Among them, in any cross section perpendicular to the base surface 300, the slope of the main body top reflection surface 14 is k3, and the connection point between the main body top reflection surface 14 and the main body top connection surface 13 is d.

[0086] g(x) also satisfies: g'(d)=k3.

[0087] The main body top reflective surface 14 is used to improve the brightness of the product.

[0088] like Figure 6 As shown, in a possible implementation, the structure end 20 includes an end side reflection surface 21, an end bottom connection surface 22 and an end top connection surface 23. Both sides of the end side reflection surface 21 are connected to the end bottom connection surface 22 and the end top connection surface 23 respectively.

[0089] like Figure 7 As shown, on the base surface 300 , one side of the end side reflection surface 21 is connected to the base surface 300 via the end bottom connection surface 22 , and the other side of the end side reflection surface 21 is connected to the end top connection surface 23 .

[0090] Among them, in any cross section perpendicular to the base surface 300, the slope of the end side reflection surface 21 is k4. The connection point between the end side reflection surface 21 and the end bottom connection surface 22 is e. The connection point between the end side reflection surface 21 and the end top connection surface 23 is f. The connection point between the base surface 300 and the end bottom connection surface 22 is g, and the slope of the connection point of the base surface 300 is k5.

[0091] The end bottom connection surface 22 and the end top connection surface 23 are curved surfaces.

[0092] Optionally, the curve formula of the end bottom connecting surface 22 is h(x), and the curve formula of the end top connecting surface 23 is i(x).

[0093] h(x) and i(x) satisfy: the first-order derivative h'(x) of h(x) is continuous, and the first-order derivative i'(x) of i(x) is continuous.

[0094] And, h'(e)=k4, i'(f)=k4, h'(g)=k5.

[0095] By means of the end bottom connecting surface 22 and the end top connecting surface 23 respectively connected to one side of the end side reflecting surface 21, the slope at the connection with the end side reflecting surface 21 is kept consistent with the slope of the end side reflecting surface 21, so that the reflection of light from the end side reflecting surface 21 to the end bottom connecting surface 22 or the end top connecting surface 23 is transitioned, eliminating the light and shadow interruption and interference caused by the angle mutation of the reflected light caused by the angle mutation.

[0096] In a possible implementation, the structure end 20 further includes an end top reflective surface 24. Both sides of the end top connecting surface 23 are connected to the end side reflective surface 21 and the end top reflective surface 24 respectively.

[0097] like Figure 7 As shown, one side of the end top connecting surface 23 is connected to the side of the end side reflecting surface 21 away from the end bottom connecting surface 22 , and the other side of the end top connecting surface 23 is connected to the end top reflecting surface 24 .

[0098] Among them, in any cross section perpendicular to the base surface 300, the slope of the end top reflection surface 24 is k6, and the connection point between the end top reflection surface 24 and the end top connection surface 23 is h.

[0099] i(x) also satisfies: i'(h)=k6.

[0100] The end top connecting surface 23 is connected to the end side reflection surface 21 and the end top reflection surface 24 respectively, and the slope of the end top connecting surface 23 at the connection with the end side reflection surface 21 and the end top reflection surface 24 is kept consistent with the slope of the end side reflection surface 21 and the end top reflection surface 24, so that the light is reflected from the end side reflection surface 21 to the end top connecting surface 23 and then to the end top reflection surface 24 to be transitioned, thereby eliminating the light and shadow interruption and interference caused by the angle mutation of the reflected light caused by the angle mutation.

[0101] In a possible implementation, the end top reflective surface 24 and the main body top reflective surface 14 are the same continuous plane. The main body bottom connecting surface 12 is connected to the end bottom connecting surface 22, the main body top connecting surface 13 is connected to the end top connecting surface 23, and the main body side reflective surface 11 is connected to the end side reflective surface 21. Thus, the structure end 20 is connected to the structure main body 10.

[0102] In one possible implementation, the surface formula of the bottom connecting surface 12 of the main body is f(x, y), the surface formula of the top connecting surface 13 of the main body is g(x, y), the surface formula of the bottom connecting surface 22 of the end is h(x, y), the surface formula of the top connecting surface 23 of the end is i(x, y), the surface formula of the side reflecting surface 11 of the main body is j(x, y), and the surface formula of the side reflecting surface 21 of the end is k(x, y).

[0103] f (x, y), g (x, y), h (x, y), i (x, y), j (x, y), k (x, y) satisfy:

[0104] At the connection between the main body bottom connection surface 12 and the end bottom connection surface 22, f'(x, y) = h'(x, y);

[0105] At the connection between the main body top connection surface 13 and the end top connection surface 23, g'(x, y) = i'(x, y);

[0106] At the connection point between the main body side reflection surface 11 and the end side reflection surface 21 , j′(x, y)=k′(x, y).

[0107] By keeping the slopes of the main body bottom connecting surface 12 and the end bottom connecting surface 22, the main body top connecting surface 13 and the end top connecting surface 23, and the main body side reflecting surface 11 and the end side reflecting surface 21 consistent at the connection between the structure end 20 and the structure main body 10, the reflection of light from the main body bottom connecting surface 12 to the end bottom connecting surface 22, from the main body top connecting surface 13 to the end top connecting surface 23, and from the main body side reflecting surface 11 to the end side reflecting surface 21 is transitioned, thereby eliminating the light and shadow breaks and interference caused by the sudden angle change of the reflected light.

[0108] like Figure 8 , Fig. 9 and Fig.10 As shown, the core of the flow of light and shadow is that the microstructure changes the reflection angle of light. In order to form bright light and shadow, there must be a certain amount of light reflected at the same angle.

[0109] On the micro-texture structure unit 100, the main body side reflection surface 11 ensures that there is a sufficient amount of light in a certain direction to form light and shadow; the main body top reflection surface 14 improves the brightness of the product; and the main body bottom connection surface 12 and the main body top connection surface 13 can reflect light for transition, eliminating the angle mutation caused by light reflection. The micro-texture structure provided by the application not only has effective reflected light, but also the transition reflected light generated by the connection surface can effectively eliminate the visual light and shadow breaks and interference caused by the angle mutation of two adjacent reflection surfaces. While ensuring the flow of light and shadow, the smoothness of light and shadow is improved.

[0110] And in Fig. 9 In the hemispherical structure 400 or the full arc surface structure shown, the reflection arc surface reflects the light uniformly in all directions, that is, the reflected light angles are evenly distributed, and no effective light and shadow effect can be produced. Its macroscopic effect is a fog-like effect, and Fig. 9 There is also a sudden change in angle between the middle arc surface and the bottom plane, resulting in light breakage.

[0111] And in Fig.10In the triangle-shaped structure 500 shown, the reflected light generated by the two side reflective surfaces has a sudden angle change, and the two side reflective surfaces and the bottom surface also have a sudden angle change, so the light is seriously broken.

[0112] In a possible implementation, on the base surface 300, at least one micro-texture structure unit 100 is not parallel to other micro-texture structure units 100. That is, on a certain coordinate axis of the base surface 300, the angle between the length direction of the structural main body 10 of the micro-texture structure unit 100 and the coordinate axis direction (x direction or y direction) of the coordinate axis is α. Among the multiple micro-texture structure units 100, there is at least one micro-texture structure unit 100 whose arrangement angle α is different from the arrangement angle α of other micro-texture structure units 100.

[0113] Assuming that α in the micro-texture structure units 100 are all the same, when reflecting light from a certain light source, the slight difference in the reflection angles of the product format, i.e., the structure units at different positions for the same light source, is ignored, and the reflection angles of the reflection surfaces are consistent. The product will not produce light and shadow flow on a macro scale, similar to a mirror effect. Therefore, in order to ensure that the product has light and shadow changes, there are at least two micro-texture structure units 100 on the product, and the α angle of at least one micro-texture structure unit 100 is different from the α angles of other micro-texture structure units 100.

[0114] In a possible implementation, the micro-texture structure unit 100 is a protrusion and / or a depression on the base surface 300 .

[0115] The microtexture structure can be formed by arranging a plurality of raised microtexture structure units 100 on the base surface 300, or by arranging a plurality of recessed microtexture structure units 100 on the base surface 300, or by arranging a plurality of raised microtexture structure units 100 and a plurality of recessed microtexture structure units 100 on the base surface 300.

[0116] In a possible implementation, the surface of the micro-texture structure unit 100 is a frosted surface. The frosted surface can achieve smooth light and shadow while having a certain frosted texture.

[0117] like Fig.11 As shown, in a possible implementation, the length of the micro-texture structure unit 100 is L, the length of the structure main body 10 is L1, and the length of the structure end 20 is L2.

[0118] L satisfies: L=L1+2L2, 5 um≤L≤1mm.

[0119] The lengths L of the plurality of micro-texture structural units 100 may be equal or unequal, and may be adjusted accordingly according to the design requirements of the product.

[0120] In a possible implementation, L1 and L2 satisfy: L1=4L2.

[0121] In a possible implementation, the width of the micro-texture structure unit 100 is W.

[0122] W satisfies: 0.1L≤W≤0.5L.

[0123] In a possible implementation, W satisfies: W=0.2L.

[0124] In a possible implementation, the width of the main body top reflective surface 14 is W1.

[0125] W1 satisfies: 0.1W≤W1≤0.2W.

[0126] like Fig.12 As shown, in a possible implementation, the height of the micro-texture structure unit 100 is H, and H satisfies: 3um≤H≤100um.

[0127] like Fig.13 As shown, in a possible implementation, on the base surface 300 , within a circular range with a diameter of L, there is at most one micro-texture structure unit 100 .

[0128] The spacing between the micro-texture structural units 100 is based on the principle that in order to maximize the utilization rate of the effective area within the product plane, the spacing between the micro-texture structural units 100 is minimized when there is no interference between adjacent micro-texture structural units 100. However, considering the density distribution, the preferred arrangement is: taking the overall length L of the micro-texture structural unit 100 as a reference, taking the center of the micro-texture structural unit 100 as the center of the circle, and a circle with a radius of 0.5L or a square area with a side length of L as the effective range of the micro-texture structural unit 100. At this time, the micro-texture structural unit 100 is evenly distributed in the product area, and the texture is better.

[0129] In a possible implementation, the included angle between the main body side reflective surface 11 and the base surface 300 is a, and a satisfies: 10°≤a≤80°.

[0130] Optionally, a=30°.

[0131] The micro-texture structure provided by the embodiment of the present application includes a base layer and a plurality of micro-texture structure units 100, wherein the base layer has a base surface 300; the micro-texture structure unit 100 is arranged on the base surface 300, and the micro-texture structure unit 100 includes a structure main body 10; the structure main body 10 includes a main body side reflection surface 11, a main body bottom connection surface 12 and a main body top connection surface 13, one side of the main body side reflection surface 11 is connected to the base surface 300 through the main body bottom connection surface 12, and the other side of the main body side reflection surface 11 is connected to the main body top connection surface 13; wherein, in any cross section perpendicular to the base surface 300, the oblique side of the main body side reflection surface 11 The rate is k1, the connection between the main body side reflecting surface 11 and the main body bottom connecting surface 12 is a, and the connection between the main body side reflecting surface 11 and the main body top connecting surface 13 is b; the connection between the base surface 300 and the main body bottom connecting surface 12 is c, and the slope of the connection is k2; the main body bottom connecting surface 12 and the main body top connecting surface 13 are curved surfaces, the curve formula of the main body bottom connecting surface 12 is f(x), and the curve formula of the main body top connecting surface 13 is g(x), which satisfies: the first-order derivative f'(x) of f(x) is continuous, f'(a)=k1, f'(c)=k2; the first-order derivative g'(x) of g(x) is continuous, g'(b)=k1.

[0132] Since the main body 10 has a main body side reflective surface 11 with a slope of k1, it is ensured that a certain amount of light can be reflected in the same direction to form a sufficiently effective light and shadow with sufficient brightness, thereby ensuring the fluidity of the light and shadow and improving the effect of the light and shadow. At the same time, the main body bottom connecting surface 12 and the main body top connecting surface 13 connected to the main body side reflective surface 11 have a slope of k1 at the connection a and the connection b, which is consistent with the slope k1 of the main body side reflective surface 11, so that the connection between the main body side reflective surface 11 and the main body bottom connecting surface 12 and the connection between the main body side reflective surface 11 and the main body top connecting surface 13 are smooth, and the main body bottom connecting surface 12 and the main body top connecting surface 13 are smooth. The slope of the connection c with the base surface 300 on the bottom connecting surface 12 of the main body and the slope on the base surface 300 are both k2, so that the connection between the bottom connecting surface 12 of the main body and the base surface 300 is smooth, and the first-order derivatives of the bottom connecting surface 12 of the main body and the top connecting surface 13 of the main body are respectively continuous, so that the bottom connecting surface 12 of the main body and the top connecting surface 13 of the main body are smooth, ensuring the presence of reflected light with a transition effect, eliminating the light and shadow breaks and interference caused by the sudden angle changes of the reflected light caused by the adjacent reflecting surfaces, that is, the sudden angle changes of the structural surface caused by the discontinuity, thereby improving the smoothness of the light and shadow and making the texture effect cleaner and smoother.

[0133] The present application also provides a method for making the micro-texture structure, including: designing a characteristic structure; making a PC mold through exposure, development, UV glue transfer and other processes; then making it on a PET explosion-proof film through UV transfer to form a textured film; then sticking it on glass through coating, printing, lamination and other processes to make a glass product. Alternatively, the mold is transferred to a composite sheet, and hot-pressed to make a finished plastic sheet with a texture.

[0134] In addition, an embodiment of the present application further provides a shell on which the above-mentioned micro-texture structure is provided.

[0135] In view of the fact that the shell in this embodiment includes the micro-texture structure described in any of the above embodiments, the structural features and beneficial effects of the shell including the micro-texture structure are not further described in this embodiment.

[0136] An embodiment of the present application also provides an electronic device, including the above-mentioned housing.

[0137] The electronic device may be a mobile phone, a portable device, a laptop computer, an electric toy, an electric tool or a vehicle, etc.

[0138] It is understandable that the electronic device provided by the present application adopts the shell provided by the present application, and the shell adopts the above-mentioned micro-texture structure. That is, the electronic device also adopts the micro-texture structure provided by the present application, and the micro-texture structure provided by the present application can form a smooth light and shadow effect, thereby making the electronic device provided by the present application present a pattern with a smooth light and shadow effect, thereby enhancing the appearance of the electronic device and improving the user experience.

[0139] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A micro texture structure, characterized in that: include: A base layer having a base surface (300); A plurality of micro-texture structure units (100), wherein the micro-texture structure units (100) are arranged on the base surface (300), and the micro-texture structure units (100) comprise a structure main body (10) and a structure end (20), wherein the structure end (20) is connected to two sides of the structure main body (10); The structural main body (10) comprises a main body side reflection surface (11), a main body bottom connection surface (12) and a main body top connection surface (13); one side of the main body side reflection surface (11) is connected to the base surface (300) via the main body bottom connection surface (12), and the other side of the main body side reflection surface (11) is connected to the main body top connection surface (13); Wherein, in any cross-section perpendicular to the base surface (300), the slope of the main body side reflection surface (11) is k1, the connection point between the main body side reflection surface (11) and the main body bottom connection surface (12) is a, and the connection point between the main body side reflection surface (11) and the main body top connection surface (13) is b; the connection point between the base surface (300) and the main body bottom connection surface (12) is c, and the slope of the connection point is k2; the main body bottom connection surface (12) and the main body top connection surface (13) are curved surfaces, the curve formula of the main body bottom connection surface (12) is f(x), and the curve formula of the main body top connection surface (13) is g(x), satisfying: the first-order derivative f'(x) of f(x) is continuous, f'(a)=k1, f'(c)=k2; the first-order derivative g'(x) of g(x) is continuous, g'(b)=k1; The structural end (20) comprises an end side reflection surface (21), an end bottom connection surface (22) and an end top connection surface (23); one side of the end side reflection surface (21) is connected to the base surface (300) via the end bottom connection surface (22), and the other side of the end side reflection surface (21) is connected to the end top connection surface (23); Wherein, in any cross-section perpendicular to the base surface (300), the slope of the end side reflection surface (21) is k4, the connection point with the end bottom connection surface (22) is e, and the connection point with the end top connection surface (23) is f; the connection point between the base surface (300) and the end bottom connection surface (22) is g, and the slope of the connection point is k5; the end bottom connection surface (22) and the end top connection surface (23) are curved surfaces, the curve formula of the end bottom connection surface (22) is h(x), and the curve formula of the end top connection surface (23) is i(x), satisfying: the first-order derivative h'(x) of h(x) is continuous, h'(e)=k4, h'(g)=k5; the first-order derivative i'(x) of i(x) is continuous, i'(f)=k4.

2. The micro-texture structure according to claim 1, characterized in that: The structural main body (10) further comprises a main body top reflection surface (14), and a side of the main body top connection surface (13) away from the main body side reflection surface (11) is connected to the main body top reflection surface (14); Wherein, in any cross section perpendicular to the base surface (300), the slope of the main body top reflection surface (14) is k3, and the connection point with the main body top connection surface (13) is d; g(x) satisfies: g'(d)=k3.

3. The micro-texture structure according to claim 2, characterized in that: The structural end (20) further comprises an end top reflection surface (24), and a side of the end top connection surface (23) away from the end side reflection surface (21) is connected to the end top reflection surface (24); Wherein, in any cross section perpendicular to the base surface (300), the slope of the end top reflection surface (24) is k6, and the connection point with the end top connection surface (23) is h; i(x) satisfies: i'(h)=k6.

4. The micro-texture structure according to claim 3, characterized in that: The end top reflection surface (24) and the main body top reflection surface (14) are the same continuous plane, the main body bottom connection surface (12) is connected to the end bottom connection surface (22), the main body top connection surface (13) is connected to the end top connection surface (23), and the main body side reflection surface (11) is connected to the end side reflection surface (21).

5. The micro-texture structure according to claim 4, characterized in that: The surface formula of the main body bottom connecting surface (12) is f(x, y), the surface formula of the main body top connecting surface (13) is g(x, y), the surface formula of the end bottom connecting surface (22) is h(x, y), the surface formula of the end top connecting surface (23) is i(x, y), the surface formula of the main body side reflecting surface (11) is j(x, y), and the surface formula of the end side reflecting surface (21) is k(x, y), satisfying: At the connection point between the main body bottom connection surface (12) and the end bottom connection surface (22), f'(x, y) = h'(x, y); At the connection point between the main body top connection surface (13) and the end top connection surface (23), g'(x, y) = i'(x, y); At the connection point between the main body side reflection surface (11) and the end side reflection surface (21), j'(x, y)=k'(x, y).

6. The microtexture structure according to any one of claims 1 to 5, characterized in that: On the coordinate axis of the base surface (300), the angle between the length direction of the structural main body (10) and the horizontal coordinate axis direction of the coordinate axis is α, and the angle of at least one of the micro-texture structural units (100) is different from the angles of the other micro-texture structural units (100).

7. The microtexture structure according to any one of claims 1 to 5, characterized in that: The micro-texture structure units (100) are protrusions and / or depressions on the base surface (300).

8. The microtexture structure according to any one of claims 1 to 5, characterized in that: The surface of the micro-texture structure unit (100) is a frosted surface.

9. The microtexture structure according to any one of claims 1 to 5, characterized in that: The length of the micro-texture structure unit (100) is L, the length of the structure main body (10) is L1, the length of the structure end (20) is L2, and L satisfies: L=L1+2L2, 5 um≤L≤1 mm.

10. The micro-texture structure according to claim 9, characterized in that: L1 and L2 satisfy: L1=4L2.

11. The micro-texture structure according to claim 9, characterized in that: The width of the micro-texture structure unit (100) is W, and W satisfies: 0.1L≤W≤0.5L.

12. The micro-texture structure according to claim 11, characterized in that: W satisfies: W=0.2L.

13. The micro-texture structure according to claim 9, characterized in that: On the base surface (300), within a circular range with a diameter of L, there is at most one micro-texture structure unit (100).

14. The microtexture structure according to any one of claims 1 to 5, characterized in that: The height of the micro-texture structure unit (100) is H, and H satisfies: 3um≤H≤100um.

15. The microtexture structure according to any one of claims 1 to 5, characterized in that: The included angle between the main body side reflection surface (11) and the base surface (300) is a, and a satisfies: 10°≤a≤80°.

16. The micro-texture structure according to claim 15, characterized in that: a=30°。 17. The microtexture structure according to any one of claims 1 to 5, characterized in that: The base surface (300) is a plane or a curved surface that is at least G1 continuous.

18. A housing, characterized in that: The shell is provided with a micro-texture structure as described in any one of claims 1-17.

19. An electronic device, characterized in that: Comprising a housing as claimed in claim 18.

Images