TW201803740A - Appearance and manufacturing method thereof - Google Patents

Abstract

An appearance including a transparent substrate, a plurality of transparent micro-structures, and a reflective layer is provided. The appearance has a pattern region. The pattern region has a plurality of sub-pattern regions. The sub-pattern regions include at least a first sub-pattern region and a second sub-pattern region. The transparent micro-structures are respectively disposed in the sub-pattern regions. In the first sub-pattern region, each set of two adjacent transparent micro-structures has a first gap. In the second sub-pattern region, each set of two adjacent transparent micro-structures has a second gap. The first gap is different from the second gap. The height of the transparent micro-structures in the first sub-pattern region is different from the height the transparent micro-structures in the second sub-pattern region. The reflective layer covers a surface of the transparent micro-structures which is not in contact with the transparent substrate. Besides, a manufacturing method of the appearance is also provided.

Description

Appearance piece and manufacturing method thereof

The present invention relates to an appearance member and a method of fabricating the same, and more particularly to an appearance member having a plurality of sub-pattern regions and a method of fabricating the same.

Nowadays, it is often seen in consumer electronics that there is a decorative design with a color of light, or a decorative design with a enamel pattern. For example, many electronic products have appearance parts such as a casing, a bezel or a protective cover, or many aesthetically pleasing decorations such as charms or necklaces, and the surface thereof is provided with a design that can produce color brilliance and enamel lines. At present, these decorative designs with color brilliance or decorative designs that can form enamel lines are produced by transferring a polyethylene terephthalate (PET) film similar to a grating structure. However, in the finished product made by this method, the structural parameters such as the height may be unsatisfactory due to process limitations. Or, the performance of the finished color brilliance or the performance of the enamel color road is not as good as expected. In addition, when the structure formed by the process method is designed for the appearance of a consumer electronic product, the positioning and the assembly problem of the bonding are liable to occur, and the yield of the product is difficult to be improved.

In addition, although the conventional method can produce a enamel pattern that can simultaneously display a plurality of colors, it is more difficult to realize a design with a color change pattern, for example, a color combination arrangement with different viewing angles of the user. The design of the pattern is thus difficult to meet various aesthetic requirements.

The present invention provides an appearance member having a plurality of sub-pattern regions that can produce different color arrangement combinations at different viewing angles, and which can be used for accurate alignment assembly.

The invention provides a method for manufacturing a appearance component, wherein the appearance component produced has a plurality of sub-pattern regions which can produce different color arrangement combinations at different viewing angles, and the appearance component can be used for accurate alignment assembly.

An embodiment of the present invention provides an appearance member having a pattern area. The pattern area has a plurality of sub-pattern areas. The sub-pattern regions include at least a first sub-pattern region and a second sub-pattern region. The appearance member includes a light transmissive substrate, a plurality of light transmissive microstructures, and a reflective layer. These light transmissive microstructures are disposed on a light transmissive substrate. The light transmissive microstructures are respectively arranged in the sub-pattern regions. Each of the adjacent two light transmissive microstructures in the first sub-pattern region has a first pitch. Each of the adjacent two light transmissive microstructures in the second sub-pattern region has a second pitch. The first pitch is different from the second pitch. The height of the light transmissive microstructures in the first sub-pattern region is different from the height of the light transmissive microstructures in the second sub-pattern region. The reflective layer covers the surface of the light transmissive microstructure that is not in contact with the light transmissive substrate.

In an embodiment of the invention, the light transmissive microstructures in a sub-pattern region extend in the same direction.

In an embodiment of the invention, the sub-pattern regions described above have the same center.

In an embodiment of the invention, the light transmissive microstructures in the first sub-pattern region are arranged around the center of the circle and are concentrically arranged. The light transmissive microstructures in the second sub-pattern region are arranged around the center of the circle and are concentrically arranged.

In an embodiment of the invention, the pitch of each of the adjacent two light transmitting microstructures falls within a range of 0.35 micrometers to 120 micrometers.

In an embodiment of the invention, the width of each of the light transmissive microstructures described above falls within the range of 0.4 microns to 120 microns.

In an embodiment of the invention, the height of each of the light transmissive microstructures described above falls within the range of 0.35 to 30 microns.

An embodiment of the present invention provides a method of fabricating the above-mentioned appearance member, comprising: providing a light transmissive substrate. A plurality of light transmissive microstructures are formed on the light transmissive substrate, and the light transmissive microstructures are respectively arranged in the sub-pattern regions. . Each of the adjacent two light transmissive microstructures in the first sub-pattern region has a first pitch. Each of the adjacent two light transmissive microstructures in the second sub-pattern region has a second pitch. The first pitch is different from the second pitch. The height of the light transmissive microstructures in the first sub-pattern region is different from the height of the light transmissive microstructures in the second sub-pattern region. A reflective layer is formed to cover the surfaces of the light transmissive microstructures that are not in contact with the light transmissive substrate.

Based on the above, the appearance member of the embodiment of the invention has a pattern area. The pattern area has a plurality of sub-pattern areas. The sub-pattern regions include at least a first sub-pattern region and a second sub-pattern region. The method of making the appearance member includes providing a light transmissive substrate. The light transmissive microstructures are formed on the light transmissive substrate, and the light transmissive microstructures are respectively arranged in the sub-pattern regions. Each of the adjacent two light transmissive microstructures in the first sub-pattern region has a first pitch. Each of the adjacent two light transmissive microstructures in the second sub-pattern region has a second pitch. The first pitch is different from the second pitch. The height of the light transmissive microstructures in the first sub-pattern region is different from the height of the light transmissive microstructures in the second sub-pattern region. In addition, the method of fabricating the appearance member also includes forming a reflective layer to cover the surfaces of the light transmissive microstructures that are not in contact with the light transmissive substrate. Therefore, when the user views the appearance member produced by the manufacturing method of the above-mentioned appearance member at a specific viewing angle, the user can view a specific color arrangement combination, and when the user views the appearance at different viewing angles When the appearance of the appearance is made, the user can see the effect of different color arrangement. Moreover, the color arrangement combinations exhibited by the sub-pattern regions can be adjusted depending on the structural parameters of the light transmissive microstructures (eg, height, width, pitch). In addition, the appearance parts can be assembled with precise alignment.

The above described features and advantages of the invention will be apparent from the following description.

In order to describe in detail the arrangement relationship between the appearance member and the electronic device of the present embodiment, the appearance member 100 and the electronic device 50 of the present embodiment can be regarded as being in a space constructed by the X direction, the Y direction, and the Z direction, wherein the X direction is perpendicular to The Y direction, and the Z direction is perpendicular to the X direction and the Y direction at the same time.

1 is a schematic view showing an explosion of an appearance member applied to an electronic device according to an embodiment of the present invention.

Referring to FIG. 1 , in the embodiment, the appearance component 100 is, for example, a protective cover of the electronic device 50 . The electronic device 50 has a surface S1 and a surface S2 with respect to the surface S1, and the appearance member 100 has a surface S3 and a surface S4 with respect to the surface S3. The surface S4 of the appearance member 100 covers the surface S2 of the electronic device 50. Specifically, the surface S1 of the electronic device 50 serves as the front surface of the electronic device 50, and the user can operate the electronic device 50 through a related component of the electronic device 50 located on the surface S1, such as a touch screen or a physical button. In the present embodiment, the surface S3 of the appearance member 100 serves as the front surface of the appearance member 100. The appearance member 100 covers at least a portion of the electronic device 50 to reduce the influence of external force on the electronic device 50. In this embodiment, the external force includes at least impact force, pressure, friction or other external force, and the invention is not limited thereto. Therefore, in the general use case, when the appearance member 100 is mounted on the electronic device 50, the appearance member 100 can not only provide the effect of protecting the electronic device 50, but the user can also view the appearance member 100 having the decoration on the side of the surface S3. Effect.

In various embodiments, the electronic device 50 can be, for example, a smart phone, a conventional mobile phone, a tablet computer, a mobile power source, or an outer casing or a protective member of other types of non-electronic products, and the invention is not limited thereto.

2 is a front elevational view showing the back side of the appearance member of the embodiment of FIG. 1. 3 is an enlarged schematic view showing a pattern area of the appearance member of the embodiment of FIG. 2. 4 is a cross-sectional view of a portion of the appearance of FIG. 3 taken along line I-I'.

Referring to FIG. 2 and FIG. 3, in the present embodiment, the appearance member 100 has a pattern area PR. The pattern area PR has a plurality of sub-pattern areas SPR. The outline of the pattern area PR is, for example, the outline of an apple, or other outlines, and the invention is not limited thereto. In addition, the pattern area PR may also be a specific outline or a character, and the invention is not limited thereto.

Referring to FIG. 2 and FIG. 4 simultaneously, in the present embodiment, the light-transmitting substrate 110 has a viewing surface S31 and a back surface S41 with respect to the viewing surface S31. The pattern area PR is located on the back surface S41. Specifically, the viewing surface S31 of the light-transmitting substrate 110 is a part of the surface S3 of the appearance member 100, and the back surface S41 of the light-transmitting substrate 110 is a part of the surface S4 of the appearance member 100. When the user views the appearance member 100 from the side of the surface S3 (as shown in FIG. 4, the user's eye HE is located on the side of the surface S3 of the appearance member 100), the user can view the contour of the pattern region PR on the appearance member 100. And the color it presents. Therefore, in the present embodiment, the appearance member 100 can provide the decorative or aesthetic effect of the electronic device 50.

In some embodiments, the portion of the appearance member 100 other than the light transmissive substrate 110 may also be transparent. For example, the appearance member 100 can be made of a transparent material and formed into a whole piece of the transparent substrate 110. In addition, the pattern area PR is located on a portion of the surface S4. In these embodiments, the surface S4 is the back surface S41, and the surface S3 with respect to the surface S4 is the viewing surface S31. In addition, in other embodiments, the portion of the appearance member 100 other than the light transmissive substrate 110 may also be opaque. For example, a shape corresponding to the light-transmitting substrate 110 may be cut on a leather, metal or plastic-made appearance member, and the light-transmitting substrate 110 having the pattern region PR may be embedded therein, and the present invention does not This is limited. In this embodiment, the material of the transparent substrate 110 is, for example, sapphire, glass, transparent ceramic, spinel, quartz, plastic, polyethylene terephthalate (PET) or a combination thereof, the present invention Not limited to this. The material of the light-transmitting microstructure 120 is, for example, a photoresist, and the invention is not limited thereto.

Referring to FIG. 2 to FIG. 4 simultaneously, in the present embodiment, the appearance member 100 has a pattern area PR. The pattern area PR has a plurality of sub-pattern areas SPR. The appearance member 100 includes a light transmissive substrate 110, a plurality of light transmissive microstructures 120, and a reflective layer 130. Specifically, the light-transmitting microstructures 120 are disposed on the light-transmitting substrate 110. The light-transmitting microstructures 120 are respectively disposed in the sub-pattern regions SPR and are disposed on the surface S4 of the light-transmitting substrate 110 (ie, Back S41).

With continued reference to FIG. 3, in the present embodiment, the pitch G of each adjacent two light transmitting microstructures 120 in each of the sub-pattern regions SPR is different from each other. Specifically, in the embodiment, the sub-pattern regions SPR include at least a first sub-pattern region SPR1 and a second sub-pattern region SPR2, and include, for example, a first sub-pattern region SPR1 and a second sub-pattern region SPR2. The three sub-pattern regions SPR3 and the fourth sub-pattern region SPR4. In this embodiment, the four sub-pattern regions SPR are taken as an example, but the invention is not limited thereto. These sub-pattern regions SPR are arranged, for example, in the X direction. Each of the adjacent two light transmissive microstructures 120 in the first sub-pattern region SPR1 has a first pitch G1, and each adjacent two light-transmitting microstructures 120 in the second sub-pattern region SPR2 has a second pitch G2. Each of the adjacent two light transmitting microstructures 120 in the three sub-pattern regions SPR3 has a third pitch G3 and each of the adjacent two light transmitting microstructures 120 in the fourth sub-pattern region SPR4 has a fourth pitch G4. The first pitch G1, the second pitch G2, the third pitch G3, and the fourth pitch G4 are different from each other. In detail, in the present embodiment, the magnitudes of these pitches G are sequentially reduced as viewed in the opposite direction of the X direction. That is, in the present embodiment, the pitch G1 is larger than the pitch G2, the pitch G2 is larger than the pitch G3, and the pitch G3 is larger than the pitch G4.

It should be noted that in other embodiments, the sub-pattern regions SPR may also be arranged in the Y direction, or the sub-pattern regions SPR may be arranged in either direction between the X direction and the Y direction. The invention is not limited thereto. Furthermore, the number of the sub-pattern regions SPR is not limited to only four sub-pattern regions SPR, and the number thereof may be two, three or more than four, and the invention is not limited thereto. Furthermore, in other embodiments, the size of the pitches G may also be sequentially smaller along the arrangement direction, and the invention is not limited thereto.

Referring to FIG. 3 and FIG. 4 simultaneously, it is worth mentioning that, since the light transmissive microstructures 120 have a specific size and arrangement, and the reflective layer 130 covers the surfaces of the light transmissive microstructures 120 that are not in contact with the transparent substrate 110. In the above, when the user views the pattern area PR of the appearance member 100 at a certain fixed angle, a specific color arrangement combination can be presented. Specifically, in some related embodiments, the width W of each of the light transmissive microstructures 120 falls within a range of, for example, 0.4 micrometers to 120 micrometers, and the height H of each of the light transmitting microstructures 120 falls, for example, to 0.35 to 30 micrometers. The range of the pitch G of each adjacent two light transmitting microstructures 120 is, for example, in the range of 0.35 micrometers to 120 micrometers. Therefore, when the user views the pattern area PR with a specific range of viewing angles, each sub-pattern area SPR can present a single color for the user, so the user can view the specific color arrangement of the sub-pattern areas SPR. combination.

Referring to FIG. 3 again, in the present embodiment, the light transmissive microstructures 120 in a sub-pattern region SPR extend, for example, in the same direction, for example, the Y direction. In other embodiments, the light transmissive microstructures 120 in a sub-pattern region SPR extend, for example, in the X direction or in either direction between the X direction and the Y direction. The present invention does not This is limited.

With continued reference to FIG. 4, in the present embodiment, the reflective layer 130 covers the surfaces of the light transmissive microstructures 120 that are not in contact with the light transmissive substrate 110. In addition, the reflective layer 130 also covers the back surface S41 that is not in contact with the light transmissive microstructures 120. In the present embodiment, the material of the reflective layer 130 is, for example, a metal. For example, the material of the reflective layer 130 may be aluminum (Al) or chromium (Cr), and the invention is not limited thereto. In addition, the reflective layer 130 is formed on the back surface S41 by means of a metal plating film or other processing means, and covers the transparent photoresist structures 120, and the invention is not limited thereto.

The optical effect of the user fitting the appearance member 100 with the electronic device 50 will be described in detail in the following paragraphs.

FIG. 5 and FIG. 6 are respectively enlarged schematic views showing the pattern area of the appearance member of the embodiment of FIG. 3 at different viewing angles.

Referring to FIG. 1 , in particular, the surface S2 of the electronic device 50 has a pattern (not shown, for example, an apple-shaped pattern), wherein the position and size of the pattern of the electronic device 50 are, for example, corresponding to the appearance member 100. The position and size of the pattern area PR. Referring to FIG. 4 again, in the present embodiment, the appearance member 100 serves as a protective cover for the mobile phone 50. When the user wants to view the pattern area PR of the appearance member 100 from the viewing surface S31, the user flips the mobile phone 50 together with the appearance member 100 mounted on the mobile phone 50, so that the viewing surface S31 faces the user. At this time, external light rays (not shown) enter the light-transmitting substrate 110 via the viewing surface S31, and penetrate the light-transmitting substrate 110 to enter the light-transmitting microstructures 120. The external light enters the transparent substrate 110 via the viewing surface S31, and external light penetrates the transparent substrate 110 into the transparent microstructures 120. The external light entering the light-transmitting microstructures 120 is reflected at the interface between the light-transmitting microstructures 120 and the reflective layer 130, and the surface of the light-transmitting substrate 110 is exposed through the light-transmitting microstructures 120 to leave the light-transmissive micro- Structure 120. In addition, external light beams that partially enter the light transmissive microstructures 120 exit the light transmissive microstructures 120 in a diffractive or diffuse manner. Referring to FIG. 5 and FIG. 6, since the light-transmitting microstructures 120 are arranged at different pitches G in the sub-pattern regions SPR, and the heights H of the light-transmitting microstructures 120 are different from each other, when the user is different When the angle viewing views are provided with the sub-pattern areas SPR on the appearance member 100, the sub-pattern areas SPR allow the user to view different color arrangement combinations.

For example, in the embodiment, the pitch G1 of each adjacent two light transmitting microstructures 120 in the first sub-pattern region SPR1 is, for example, any one of the wavelengths of the red light wavelength range (for example, in the range of 620 to 750 nm). An integer multiple of the plurality of light transmitting microstructures 120 in the first sub-pattern region SPR1 is, for example, an integral multiple of the pitch G1 in the first sub-pattern region SPR1. The pitch G2 of each adjacent two light transmitting microstructures 120 in the second sub-pattern region SPR2 is, for example, an integer multiple of any one of the wavelengths of the orange light wavelength range (for example, in the range of 590 to 620 nm), and the second sub-pattern region SPR2 The height H2 of each adjacent two light transmitting microstructures 120 in the middle is, for example, an integral multiple of the pitch G2 in the second sub-pattern area SPR2. The pitch G3 of each adjacent two light transmitting microstructures 120 in the third sub-pattern region SPR3 is, for example, an integer multiple of any one of the wavelengths of the yellow light (for example, in the range of 570 to 590 nm), and the third sub-pattern region SPR3 The height H3 of each adjacent two light transmitting microstructures 120 in the middle is, for example, an integral multiple of the pitch G3 in the third sub-pattern region SPR3. The pitch G4 of each adjacent two light transmitting microstructures 120 in the fourth sub-pattern region SPR4 is, for example, an integer multiple of any wavelength of the green light wavelength range (for example, 495 to 570 nm), and each of the fourth sub-pattern regions SPR4 The height H4 of the adjacent two light transmitting microstructures 120 is, for example, an integral multiple of the pitch G4 in the fourth sub-pattern region SPR4. It should be noted that the range of the above-mentioned pitch (G1 to G4) with respect to an integral multiple of the wavelength of light is, for example, within a range of 1 to 15 times, and the above-described height (H1 to H4) is relative to the corresponding pitch (G1~). The range of the integral multiple of G4) is, for example, within a range of 1 to 5 times. In this way, the pitches G of the light-transmitting microstructures 120 corresponding to the individual sub-pattern regions SPR are different from each other and the heights H of the light-transmitting microstructures 120 corresponding to the individual sub-pattern regions SPR are different from each other, in natural light. The environment and the viewing angle θ in a specific range of FIG. 5, the user can see that the colors of the first sub-pattern area SPR1, the second sub-pattern area SPR2, the third sub-pattern area SPR3, and the fourth sub-pattern area SPR4 are respectively It is red, orange, yellow, and green. The user can see the first sub-pattern area SPR1, the second sub-pattern area SPR2, the third sub-pattern area SPR3, and the fourth sub-pattern area SPR4 under the natural light environment and the viewing angle θ of another specific range of FIG. The colors are orange, yellow, green, and blue. Therefore, when the user views the sub-pattern areas SPR (ie, the pattern areas PR) of the appearance member 100 at different viewing angles, the user can see the effect of the different color arrangement combinations. In other words, the color arrangement combination brought to the user by these sub-pattern areas SPR varies with different viewing angles.

In more detail, if the user views the first sub-pattern area SPR1 at a specific angle, for the user, different areas on the first sub-pattern area SPR1 may gradually become colored for the user. Way to present. For example, in the above embodiment, the ground color of the first sub-pattern area SPR1 is red, but the partial area in the first sub-pattern area SPR1 is a red color that is lighter for the user, and Another partial area of the first sub-pattern area SPR1 is a red color that appears darker to the user.

It should be noted that the above-described arrangement of colors is only an example. Designing the pitches G and H of the light-transmitting microstructures 120 by the wavelength of light can change the color arrangement of the sub-pattern areas SPR for the user to view. The invention is not limited thereto.

In addition, referring again to FIG. 3 and FIG. 4, the cross section of each of the light transmitting microstructures 120 is quadrangular and is, for example, trapezoidal. More preferably, in one embodiment, each of the light transmissive microstructures 120 has a triangular cross section, and the transmissive triangular design enhances the brightness of the light beam that is reflected to the user's eyes. In other embodiments, the cross section of each of the light transmissive microstructures 120 may be an arc shape, and the invention is not limited thereto.

It is to be noted that the following embodiments use the parts of the foregoing embodiments, and the description of the same technical content is omitted. The same component names may be referred to the parts of the foregoing embodiments, and the following embodiments will not be repeated.

FIG. 7 is an enlarged schematic view showing another pattern area of the appearance member of the embodiment of FIG. 2. FIG.

Referring to FIG. 7, in the present embodiment, the plurality of sub-pattern regions SPR of the pattern region PR of the appearance member 100 have the same center C. These sub-pattern regions SPR collectively surround the center C. Specifically, in the embodiment, the sub-pattern regions SPR include at least a first sub-pattern region SPR1 and a second sub-pattern region SPR2, and include, for example, a first sub-pattern region SPR1 and a second sub-pattern region SPR2. The three sub-pattern regions SPR3 and the fourth sub-pattern region SPR4. In this embodiment, the four sub-pattern regions SPR are taken as an example, but the invention is not limited thereto. The light transmissive microstructure 120 in the first sub-pattern region SPR1, the light transmissive microstructures 120 in the second sub-pattern region SPR2, the light transmissive microstructures 120 and the fourth sub-pattern regions in the third sub-pattern region SPR3 These light transmissive microstructures 120 in SPR4 collectively surround the center C and are arranged concentrically in the individual sub-pattern regions SPR.

Referring to FIG. 7 simultaneously, in the embodiment, the pitch G1 of each adjacent two light transmitting microstructures 120 in the first sub-pattern region SPR1 is, for example, a red wavelength range (for example, in the range of 620 to 750 nm). The integral height H of each adjacent two light transmitting microstructures 120 in the first sub-pattern region SPR1 is, for example, an integer multiple of the pitch G1 in the first pattern SPR1. The pitch G2 of each adjacent two light transmitting microstructures 120 in the second sub-pattern region SPR2 is, for example, an integer multiple of any one of the wavelengths of the orange light wavelength range (for example, in the range of 590 to 620 nm), and the second sub-pattern region SPR2 The height H of each of the adjacent two light transmitting microstructures 120 is, for example, an integral multiple of the pitch G2 in the second sub-pattern region SPR2. The pitch G3 of each adjacent two light transmitting microstructures 120 in the third sub-pattern region SPR3 is, for example, an integer multiple of any one of the wavelengths of the yellow light (for example, in the range of 570 to 590 nm), and the third sub-pattern region SPR3 The height H of each of the adjacent two light transmitting microstructures 120 is, for example, an integral multiple of the pitch G3 in the third sub-pattern region SPR3. The pitch G4 of each adjacent two light transmitting microstructures 120 in the fourth sub-pattern region SPR4 is, for example, an integer multiple of any wavelength of the green light wavelength range (for example, 495 to 570 nm), and each of the fourth sub-pattern regions SPR4 The height H of the adjacent two light transmitting microstructures 120 is, for example, an integral multiple of the pitch G4 in the fourth sub-pattern region SPR4. It should be noted that the range of the above-mentioned pitch (G1 to G4) with respect to an integral multiple of the wavelength of light is, for example, in the range of 1 to 15 times, and the above-described height H is an integer with respect to the corresponding pitch (G1 to G4). The range of the multiple is, for example, falling within the range of 1 to 5 times. In this way, the pitches G of the light-transmitting microstructures 120 corresponding to the individual sub-pattern regions SPR are different from each other and the heights H of the light-transmitting microstructures 120 corresponding to the individual sub-pattern regions SPR are different from each other, in natural light. The environment and the viewing angle of the user can see that the colors of the first sub-pattern area SPR1, the second sub-pattern area SPR2, the third sub-pattern area SPR3, and the fourth sub-pattern area SPR4 are red and orange, respectively. , yellow and green, and the color effect presented by the sub-pattern area SPR to the user is presented in a ring-shaped band or a ring-like band. In another specific range of viewing angles, the user can see that the colors of the first sub-pattern area SPR1, the second sub-pattern area SPR2, the third sub-pattern area SPR3, and the fourth sub-pattern area SPR4 are respectively orange, yellow, Green and blue. Therefore, when the user views the sub-pattern areas SPR (i.e., the pattern areas PR) of the appearance member at different viewing angles, the colors change as the viewing angle changes. In other words, as the viewing angle is different, the user can see that the sub-pattern regions SPR of the appearance member show the effect of different color arrangement combinations, and the effect of the sub-pattern regions SPR of the appearance member is a ring-shaped ribbon. Or it is presented in a ring-like band.

In other embodiments, the light transmissive microstructures 120 corresponding to the partial sub-pattern regions SPR may be arranged in a concentric circle, and the light transmissive microstructures 120 corresponding to the partial sub-pattern regions SPR may be in the same direction. (X direction, Y direction or either direction between the X direction and the Y direction) extends, and the invention is not limited thereto. Through the above design, the appearance piece can bring other viewing effects to the user.

FIG. 8 is a perspective view of an appearance member according to another embodiment of the present invention.

Referring to FIG. 8, in the present embodiment, the appearance member 200 is similar to the appearance member 100 of FIGS. 1 to 4. For the components of the appearance member 200 and related descriptions, reference may be made to the components of the appearance member 100 of FIGS. 1 to 4 and related descriptions, and details are not described herein again. The difference between the appearance member 200 and the appearance member 100 is as follows. In the present embodiment, the appearance member 200 is an accessory and is, for example, a key ring. The appearance member 200 includes a light transmissive substrate 210, and the light transmissive substrate 210 has a viewing surface S31 and a back surface S41 with respect to the viewing surface S31. The appearance member 200 further includes a plurality of light transmissive microstructures (not labeled) and a reflective layer (not labeled) on the back surface S41, and the light transmissive microstructures (not labeled) are respectively arranged on the sub-pattern regions of the appearance member 200. SPR. Specifically, the light transmissive substrate 210, the light transmissive microstructure (not labeled), and the reflective layer (not labeled) of the present embodiment are similar to the light transmissive substrate 110 of the appearance member 100 of FIGS. 1 to 4, respectively. The microstructure 120 and the reflective layer 130. In the present embodiment, the user can view the appearance member 200 at different angles similar to those of FIGS. 5 and 6, and feel the effect of the arrangement and combination of the different colors.

Further, in the present embodiment, the pattern area PR of the appearance member 200 is, for example, a pattern area of an apple shape. The light transmissive substrate 210 is, for example, an apple shape. . However, in some embodiments, the shape of the light transmissive substrate 210 does not necessarily have to match the pattern area PR, and the pattern area PR may also be formed on a partial area of the back surface S41. In addition, in other embodiments, the appearance component 200 can also be a charm, a necklace, or any other form of jewelry, and the invention is not limited thereto.

FIG. 9 is a flow chart showing a method of fabricating an appearance member according to an embodiment of the invention.

Referring to FIG. 9 , in the embodiment, the manufacturing method of the appearance member can be applied to at least the appearance member 100 of FIGS. 1 to 4 and the appearance member 200 of FIG. 7 . The appearance member has a pattern area PR. The pattern area PR has a plurality of sub-pattern areas SPR. The sub-pattern area SPR includes at least a first sub-pattern area SPR1 and a second sub-pattern area SPR2. Specifically, the manufacturing method of the appearance member is as follows. In step S600, a light transmissive substrate is provided. Next, in step S610, a plurality of light transmissive microstructures are formed on the light transmissive substrate, and the light transmissive microstructures are respectively arranged in the sub-pattern regions. Each adjacent two light transmissive microstructures in the first sub-pattern region has a first pitch, and each adjacent two light transmissive microstructures in the second sub-pattern region has a second pitch, and the first pitch and the second pitch different. The height of the light transmissive microstructures in the first sub-pattern region is different from the height of the light transmissive microstructures in the second sub-pattern region. In this embodiment, the process of forming a plurality of light transmissive microstructures on the light transmissive substrate is, for example, a photoresist process, and thus the structural parameters of the light transmissive microstructures, such as height, may be based on visual effects of the patterns. The process parameters are adjusted correspondingly, for example, to control the thickness of the coated photoresist layer. The process allows these light transmissive microstructures to be accurately formed on a light transmissive substrate. These sub-pattern areas SPR of the appearance member can be accurately positioned at the desired position. Specifically, the appearance member having the sub-pattern regions SPR through the process method can be used for precise alignment assembly with other members or products during subsequent processing or use. Thereafter, in step S620, a reflective layer is formed to cover the surfaces of the light transmissive microstructures that are not in contact with the light transmissive substrate.

As described above, in the present embodiment, the specific method for fabricating the light-transmitting microstructures 120 by the photoresist process includes, for example, polishing the back surface S41 of the light-transmitting substrate 110 to make it flat. Next, a photoresist is applied on the back surface S41 to form a photoresist layer. Thereafter, the light transmissive microstructures 120 are formed by defining a pattern through an pattern mask and an etching process. For example, in one embodiment, the etch process etches the photoresist layer exposed by the reticle to form the light transmissive microstructures 120, for example, by plasma etching. However, in some embodiments, the dry film photoresist process or other process means may also be used to form the light transmissive microstructures 120, and the invention is not limited thereto.

In summary, the appearance member of the embodiment of the present invention has a pattern area. The pattern area has a plurality of sub-pattern areas. The sub-pattern regions include at least a first sub-pattern region and a second sub-pattern region. The method of making the appearance member includes providing a light transmissive substrate. The light transmissive microstructures are formed on the light transmissive substrate, and the light transmissive microstructures are respectively arranged to be disposed in the sub-pattern regions. Each of the adjacent two light transmissive microstructures in the first sub-pattern region has a first pitch. Each of the adjacent two light transmissive microstructures in the second sub-pattern region has a second pitch. The first pitch is different from the second pitch. The height of the light transmissive microstructures in the first sub-pattern region is different from the height of the light transmissive microstructures in the second sub-pattern region. In addition, the method of fabricating the appearance member also includes forming a reflective layer to cover the surfaces of the light transmissive microstructures that are not in contact with the light transmissive substrate. Therefore, when the user views the appearance member produced by the manufacturing method of the above-mentioned appearance member at a specific viewing angle, the user can view a specific color arrangement combination, and when the user views the appearance at different viewing angles When viewing the parts produced by the method of production, the user can see the effect of different color arrangement. Moreover, the color arrangement combinations exhibited by the sub-pattern regions can be adjusted depending on the structural parameters of the light transmissive microstructures (eg, height, width, pitch). In addition, the appearance parts can be assembled with precise alignment.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

50‧‧‧Electronic devices
100,200‧‧‧ appearance parts
110,210‧‧‧Light transmissive substrate
120‧‧‧Transparent microstructure
130‧‧‧reflective layer
C‧‧‧ Center
G‧‧‧ spacing
G1‧‧‧ first spacing
G2‧‧‧Second spacing
G3‧‧‧ third spacing
G4‧‧‧fourth spacing
H, H1, H2, H3, H4‧‧‧ height
HE‧‧‧ eyes
I-I', XX‧‧‧ line
PR‧‧‧pattern area
SPR1‧‧‧ first sub-pattern area
SPR2‧‧‧Second sub-pattern area
SPR3‧‧‧ third sub-pattern area
SPR4‧‧‧ fourth sub-pattern area
S1, S2, S3, S4‧‧‧ surface
S31‧‧‧Viewing
S41‧‧‧ back
Steps for making S600, S610, S620‧‧‧ appearance parts
W‧‧‧Width θ‧‧‧ viewing angle
X, Y, Z‧‧ Direction

1 is a schematic view showing an explosion of an appearance member applied to an electronic device according to an embodiment of the present invention. 2 is a front elevational view showing the back side of the appearance member of the embodiment of FIG. 1. 3 is an enlarged schematic view showing a pattern area of the appearance member of the embodiment of FIG. 2. 4 is a cross-sectional view of a portion of the appearance of FIG. 3 taken along line I-I'. FIG. 5 and FIG. 6 are respectively enlarged schematic views showing the pattern area of the appearance member of the embodiment of FIG. 3 at different viewing angles. FIG. 7 is an enlarged schematic view showing another pattern area of the appearance member of the embodiment of FIG. 2. FIG. FIG. 8 is a perspective view of an appearance member according to another embodiment of the present invention. FIG. 9 is a flow chart showing a method of fabricating an appearance member according to an embodiment of the invention.

100‧‧‧ appearance parts

110‧‧‧Transparent substrate

120‧‧‧Transparent microstructure

130‧‧‧reflective layer

G‧‧‧ spacing

G1‧‧‧ first spacing

G2‧‧‧Second spacing

G3‧‧‧ third spacing

G4‧‧‧fourth spacing

H, H1, H2, H3, H4‧‧‧ height

HE‧‧‧ eyes

S3, S4‧‧‧ surface

S31‧‧‧Viewing

S41‧‧‧ back

W‧‧‧Width

X, Y, Z‧‧ Direction

Claims (14)

An appearance member having a pattern region having a plurality of sub-pattern regions, the sub-pattern regions including at least a first sub-pattern region and a second sub-pattern region, the appearance member comprising: a light transmissive substrate; a plurality of light transmissive microstructures are disposed on the light transmissive substrate, and the light transmissive microstructures are respectively arranged in the sub-pattern regions, and each of the adjacent sub-pattern regions is transparent The structure has a first pitch, and each of the adjacent two transparent structures in the second sub-pattern region has a second pitch, and the first pitch is different from the second pitch in the first sub-pattern region The heights of the light transmissive microstructures are different from the heights of the light transmissive microstructures in the second sub-pattern region; and a reflective layer covering the surfaces of the light transmissive microstructures that are not in contact with the light transmissive substrate on. The appearance member of claim 1, wherein the light transmissive microstructures in the sub-pattern region extend in the same direction. The appearance member according to claim 1, wherein the sub-pattern regions have the same center. The appearance member of claim 3, wherein the light transmissive microstructures in the first sub-pattern region are arranged around a center and are concentrically arranged, and the light transmission in the second sub-pattern region The microstructures are arranged around the center of the circle and are concentrically arranged. The appearance member according to claim 1, wherein a spacing of each adjacent two of the light transmitting microstructures falls within a range of 0.35 micrometers to 120 micrometers. The appearance member according to claim 1, wherein the width of each of the light transmitting microstructures falls within a range of 0.4 to 120 μm. The appearance member according to claim 1, wherein the height of each of the light transmitting microstructures falls within a range of 0.35 to 30 μm. A manufacturing method for a surface member, the appearance member having a pattern region having a plurality of sub-pattern regions, the sub-pattern regions including at least a first sub-pattern region and a second sub-pattern region, the appearance of the appearance member The method includes: providing a light transmissive substrate; forming a plurality of light transmissive microstructures on the light transmissive substrate, and the light transmissive microstructures are respectively arranged in the sub-pattern regions, in the first sub-pattern region Each of the adjacent two of the light transmissive microstructures has a first pitch, and each of the adjacent two of the light transmissive microstructures in the second sub-pattern region has a second pitch, and the first pitch and the second The height of the light transmissive microstructures in the first sub-pattern region is different from the heights of the light transmissive microstructures in the second sub-pattern region; and a reflective layer is formed to cover the light transmissive micro The structure is not on the surface in contact with the light transmissive substrate. The manufacturing method of the appearance member according to claim 8, wherein the light transmitting microstructures in the sub-pattern area extend in the same direction. The manufacturing method of the appearance member according to claim 8, wherein the sub-pattern regions have the same center. The appearance member of claim 10, wherein the light transmissive microstructures in the first sub-pattern region are arranged concentrically around the center of the circle, and the light transmissive microstructures in the second sub-pattern region Arranged around the center of the circle in a concentric circle. The manufacturing method of the appearance member according to claim 8, wherein the spacing of each adjacent two of the light transmitting microstructures falls within a range of 0.35 micrometers to 120 micrometers. The manufacturing method of the appearance member according to claim 8, wherein the width of each of the light transmitting microstructures falls within a range of 0.4 μm to 120 μm. The manufacturing method of the appearance member according to claim 8, wherein the height of each of the light transmitting microstructures falls within a range of 0.35 to 30 μm.