TW201714509A - Protective cover and appearance - Google Patents

Abstract

A protective cover having a pattern structure is provided. The protective cover includes a transparent plate. The transparent plate has a first surface and a second surface opposite to the first surface. The transparent plate includes a plurality of microstructures. The microstructures arrange to form the pattern structure of the protective cover on at least one of the first surface and the second surface. An appearance is also provided.

Description

Protective cover and appearance parts

The present invention relates to a protective cover and an appearance member, and more particularly to a protective cover having a pattern structure and an appearance member.

Nowadays, decorative designs with high brightness and enamel lines are often seen on consumer electronics. For example, many electronic products have a housing or a protective cover, and the surface thereof is provided with a design that can produce bright light and enamel lines. At present, these decorative designs that can form a enamel pattern 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 not be able to meet the requirements due to the process limitation. Or, the performance of the finished 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.

The present invention provides a protective cover having a pattern structure that produces a enamel visual effect, and which can be used for accurate alignment assembly.

The present invention provides an appearance member having a pattern structure that can produce a enamel visual effect, and which can be used for precise alignment assembly.

The protective cover of one embodiment of the present invention has a pattern structure. The protective cover includes a transparent plate. The transparent plate has a first surface and a second surface opposite the first surface. The transparent plate includes a plurality of microstructures. The microstructures are arranged on at least one of the first surface and the second surface to form a pattern structure of the protective cover.

In an embodiment of the invention, the heights of the microstructures described above fall within the range of 0.5 microns to 5 microns.

In an embodiment of the invention, the pitch of the microstructures described above falls within the range of 0.5 microns to 20 microns.

In an embodiment of the invention, the material of the transparent plate comprises sapphire, glass, transparent ceramic, spinel, quartz or a combination thereof.

In an embodiment of the invention, the microstructure is disposed on the first surface and the second surface. The protective cover further includes a semiconductor light emitting structure. A semiconductor light emitting structure is formed on the microstructures of the second surface.

The appearance member of an embodiment of the present invention has a pattern structure. The appearance member includes a transparent member. The transparent member has a first surface and a second surface relative to the first surface. The transparent member includes a plurality of microstructures. The microstructures are arranged on at least one of the first surface and the second surface to form a pattern structure of the appearance member.

In an embodiment of the invention, the material of the transparent member comprises sapphire, glass, transparent ceramic, spinel, quartz or a combination thereof.

In an embodiment of the invention, the microstructure is disposed on the first surface and the second surface. The appearance member further includes a semiconductor light emitting structure. A semiconductor light emitting structure is formed on the microstructures of the second surface.

Based on the above, the protective cover of the embodiment of the present invention has a pattern structure. The transparent plate of the protective cover includes a plurality of microstructures. The microstructures are arranged on at least one of the first surface and the second surface of the transparent plate to form a pattern structure of the protective cover. Therefore, the protective cover has a pattern structure that can produce a enamel visual effect, and it can be used for accurate alignment assembly. In addition, the appearance member of the embodiment of the invention has a pattern structure. The transparent member of the appearance member includes a plurality of microstructures. The microstructures are arranged on at least one of the first surface and the second surface of the transparent member to form a pattern structure of the appearance member. Therefore, the appearance member has a pattern structure that can produce a enamel visual effect, and it can be used for accurate alignment assembly.

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

FIG. 1A is a schematic diagram showing the explosion of a protective cover applied to a mobile phone according to an embodiment of the present invention. Please refer to FIG. 1A. In the present embodiment, the protective cover 100 is, for example, a protective case of the mobile phone 50A. The mobile phone 50A has a surface S1 and a surface S2 with respect to the surface S1, and the protective cover 100 has a surface S3 and a surface S4 with respect to the surface S1. The surface S4 of the protective cover 100 covers the surface S2 of the mobile phone 50A. Specifically, the surface S1 of the mobile phone 50A serves as the front side of the mobile phone 50A, and the user can operate the mobile phone 50A through a mobile phone related member located on the surface S1, such as a touch screen or a physical button. In the present embodiment, the surface S3 of the protective cover 100 serves as the front surface of the protective cover 100, and the portion of the protective cover 100 where the surface S3 is located is transparent. The protective cover 100 covers at least a portion of the mobile phone 50A to reduce the influence of external force on the mobile phone 50A. In this embodiment, the external force includes at least impact force, pressure, friction or other external force, and the invention is not limited thereto. In some embodiments, the portion of the protective cover 100 where the surface S3 of the protective cover 100 is located may not be transparent, and the invention is not limited thereto. Additionally, in some embodiments, the mobile phone 50A can be, for example, a smart phone or a conventional mobile phone, and the protective cover 100 encases at least a portion of the mobile phone 50A to provide protection thereof. In addition, the protective cover 100 can also be applied to other types of electronic products, such as a tablet computer, a smart watch, a mobile power source, or other types of non-electronic products. The present invention does not apply to the product type of the protective object to which the protective cover 100 is applied. limit.

1B is a front elevational view of the protective cover of the embodiment of FIG. 1A, and FIG. 1C is an enlarged schematic view of the transparent cover of the protective cover of the embodiment of FIG. 1B in the area A1. Please refer to FIG. 1B and FIG. 1C. In the present embodiment, the protective cover 100 has a pattern structure 102. The protective cover 100 includes a transparent plate 110. The transparent plate 110 has a first surface S1_1 and a second surface S1_2 with respect to the first surface S1_1. Specifically, the first surface S1_1 of the transparent plate 110 of the present embodiment is a part of the surface S3 of the protective cover 100, and the second surface S1_2 of the transparent plate 110 is a part of the surface S4 of the protective cover 100. In the present embodiment, the transparent plate 110 includes a plurality of microstructures 112. The microstructures 112 are arranged on the first surface S1_1 to form the pattern structure 102. Specifically, the pattern structure 102 of the present embodiment is constructed by uniformly staggering the microstructures 112. In some embodiments, the microstructures 112 may also have a pattern structure having a specific shape and a character on the first surface S1_1 as needed, and the invention is not limited thereto. In addition, in some embodiments, the microstructures 112 may be arranged on the second surface S1_2 to form a pattern structure, or the microstructures 112 may be arranged on the first surface S1_1 and the second surface S1_2 to form a pattern structure. The invention is not limited to this.

1C is an enlarged schematic view of the transparent plate of the protective cover of FIG. 1B in the area A1, and FIG. 1D is an enlarged schematic view of the transparent plate of the embodiment of FIG. 1C in the area A2. Please refer to FIG. 1C and FIG. In the present embodiment, the height of these microstructures 112 falls within the range of 0.5 microns to 5 microns, preferably falls within the range of 0.4 microns to 1.4 microns. Additionally, the width of these microstructures 112 falls within the range of 0.5 microns to 10 microns, preferably falls within the range of 2 microns to 5 microns. Furthermore, the pitch of these microstructures 112 falls within the range of 0.5 microns to 20 microns, preferably falls within the range of 3 microns to 10 microns. In addition, the microstructures 112 may be a columnar structure, a polygonal columnar structure or other topographical structures, and the invention is not limited thereto. In the present embodiment, the material of the transparent plate 110 is sapphire, however, in some embodiments, the material of the transparent plate 110 may include sapphire, glass, transparent ceramic, spinel, quartz, or a combination thereof.

Please continue to refer to FIG. 1A to FIG. 1D. In the present embodiment, the method of forming the microstructures 112 on the transparent plate 110 is, for example, lithographic etching. Specifically, the method of forming the microstructures 112 includes polishing at least one of the first surface S1_1 and the second surface S1_2 of the transparent plate 110 to make it flat. Next, a photoresist is applied on at least one of the first surface S1_1 and the second surface S1_2 where the microstructures 112 are to be formed to form a photoresist layer. Thereafter, the outline of the pattern structure 102 is transferred to the photoresist layer by irradiation of a pattern mask and ultraviolet light, and according to the type of the photoresist selected, the developer is impregnated to remove or leave the photoresist layer to be irradiated with ultraviolet light. The part of the definition. Next, the transparent plate 110 of the photoresist layer having the outline of the pattern structure 102 is etched to form the microstructures 112 in the region of the transparent plate 110 which is not protected by the photoresist layer. In the present embodiment, the etching of the transparent plate 110 may be performed by dry etching or wet etching, or by dry etching and wet etching, and the invention is not limited thereto. In this embodiment, the method of forming the microstructures 112 on the transparent plate 110 can be appropriately adjusted according to at least the material of the transparent plate 110 or the parameters of the microstructures 112, such as height, width, and pitch.

In the present embodiment, since the microstructures 112 are directly formed on the transparent plate 110, the pattern structures 102 formed by the microstructures 112 are not easily damaged. In addition, since the microstructures 112 are three-dimensional, the patterned structures 102 formed by the microstructures 112 can exhibit different optical effects at different viewing angles, such as deflection or diffraction of light, thereby presenting flaws. Color visual effects. In addition, since the microstructures 112 are directly formed by, for example, lithography etching, the structural parameters of the microstructures 112, such as height, may be adjusted according to the visual effect requirements of the pattern structure 102, for example, It is the etching time. In this embodiment, since the microstructures 112 are directly formed on the transparent plate 110 of the protective cover 100 by, for example, lithography, the microstructures 112 can be accurately formed on the transparent forming plate 110 at a desired formation position, so that the protection is performed. The pattern structure 102 of the cover 100 is accurately positioned at the desired location. In particular, the protective cover 100 having the pattern structure 102 can be used for precise alignment with other components or products for subsequent processing or use.

2A is a front elevational view showing a protective cover applied to a mobile phone according to another embodiment of the present invention, and FIG. 2B is an enlarged schematic view showing the protective cover of the embodiment of FIG. 2A. Please refer to FIG. 2A and FIG. 2B. In the present embodiment, the protective cover 200 is similar to the protective cover 100 of FIGS. 1A through 1D. The related components of the protective cover 200 are described with reference to the relevant members of the protective cover 100 of the embodiment of FIGS. 1A through 1D. The difference between the protective cover 200 and the protective cover 100 is that the protective cover 200 is a lens protective cover of the mobile phone 50B. Specifically, the protective cover 200 encloses at least a portion of the lens 52 of the mobile phone 50B to provide protection thereof. In the present embodiment, the protective cover 200 includes a transparent plate 210 having a first surface S1_1 and a second surface S1_2 with respect to the first surface S1_1. Specifically, the second surface S1_2 is a surface of the transparent plate 210 close to the lens 52, and the first surface S1_1 is a surface of the transparent plate 210 away from the lens 52. The transparent plate 210 includes a first portion 214 and a second portion 216. The first portion 214 corresponds to the arrangement of the lens 52 and the second portion 216 surrounds the first portion 214. In the present embodiment, the microstructures 212 are uniformly formed on the first surface S1_1 where the second portion 216 is located, and the microstructures 212 are evenly staggered to form the pattern structure 202. These microstructures 212 can be formed in the region of the second portion 216 by photolithographic etching. In the present embodiment, the pattern structure 202 has a visual effect similar to that of the pattern structure 102 of the embodiment of Figures 1A-1D.

3 is a front elevational view showing a protective cover according to still another embodiment of the present invention. Please refer to FIG. 3. In the present embodiment, the protective cover 300 is similar to the protective cover 100 of FIGS. 1A to 1D. The related components of the protective cover 300 are described with reference to the relevant members of the protective cover 100 of the embodiment of FIGS. 1A to 1D. The difference between the protective cover 300 and the protective cover 100 is that the microstructures 312 of the protective cover 300 are partially formed on the first surface S1_1 of the transparent plate 310. In the present embodiment, the transparent plate 310 has a first surface S1_1 and a second surface S1_2 with respect to the first surface S1_1. The transparent plate 310 includes a first portion 314 and a second portion 316. These microstructures 312 are uniformly formed in the region of the second portion 216 on the first surface S1_1. Specifically, the microstructures 312 are evenly staggered on the area where the second portion 216 is located to form the pattern structure 302. Moreover, the microstructures 312 can be formed in the region of the second portion 316 by photolithographic etching. In the present embodiment, the pattern structure 302 can be, for example, a particular text or pattern, and the pattern structure 302 has a visual effect similar to that of the pattern structure 102.

4A is a front elevational view showing a protective cover according to still another embodiment of the present invention, and FIG. 4B is a cross-sectional view of the protective cover of FIG. 4A taken along line I-I. Please refer to FIG. 4A and FIG. 4B. In the present embodiment, the protective cover 400 is similar to the protective cover 300 of FIG. 3. The related components of the protective cover 400 are described with reference to the relevant components of the protective cover 300 of the embodiment of FIG. The protective cover 400 differs from the protective cover 300 in that the transparent plate 410 of the protective cover 400 has a first surface S1_1 and a second surface S1_2 with respect to the first surface S1_1. The transparent plate 410 includes a first portion 414 and a second portion 416. The microstructure 412 is uniformly formed on the second surface S1_2 except for being uniformly formed on the first surface S1_1 where the second portion 216 is located. In particular, microstructure 412 includes microstructures 412a and microstructures 412b. The microstructure 412a is formed on the first surface S1_1 where the second portion 216 is located, and the microstructure 412b is formed on the second surface S1_2. In addition, the protective cover 400 further includes a semiconductor light emitting structure 420, and the semiconductor light emitting structure 420 is formed on the microstructures 412b of the second surface S1_2.

In the embodiment, the semiconductor light emitting structure 420 is a light emitting structure of a light-emitting diode (LED). The semiconductor light emitting structure 420 includes at least an N-type doped semiconductor layer (not shown), a P-type doped semiconductor layer (not shown), a light-emitting layer (not shown), and an associated electrical connection member. In other embodiments, the semiconductor light emitting structure 420 may also be a light emitting structure of an Organic Light-Emitting Diode (OLED) or a light emitting structure of other types of light emitting elements, and the invention is not limited thereto. In the present embodiment, the transparent plate 410 can directly serve as a growth substrate of the semiconductor light emitting structure 420. The microstructures 412b on the second surface S1_2 improve the epitaxial quality of at least the N-type doped semiconductor layer, the P-type doped semiconductor layer, and the light-emitting layer in the semiconductor light-emitting structure 420. Further, in the present embodiment, when the protective cover 400 is combined with the mobile phone, the first surface S1_1 is located outside the protective cover 400, and the second surface S1_2 is located between the protective cover 400 and the mobile phone. Specifically, the pattern structure 402 formed by the microstructures 412a on the first surface S1_1 has a visual effect of enamel. In addition, since the light emitted by the semiconductor light emitting structure 420 is emitted from the first surface S1_1 through the transparent plate 410, the semiconductor light emitting structure 420 can directly provide the light source to cause the pattern structure 402 to emit light.

FIG. 5 is a top plan view showing the appearance of the appearance component applied to the smart watch according to an embodiment of the present invention. Please refer to FIG. 5 . In the present embodiment, an appearance 500 is used as a part of the cover of the smart watch 60. Specifically, the appearance member 500 surrounds the display area of the smart watch 60 to provide a decorative effect of the smart watch 60. In some embodiments, the appearance member 500 can also be part of a cell phone case or a cell phone housing, such as a cell phone back cover or a battery back cover. Alternatively, the appearance member 500 can be applied to other types of electronic products, such as tablet computers, smart watches, mobile power supplies, or other types of non-electronic products, and the present invention does not limit the types of products to which the appearance member 500 is applicable.

In the present embodiment, the appearance member 500 has a pattern structure 502, and the appearance member 500 includes a transparent member 510. Specifically, the transparent member 510 is a flat plate structure, and the transparent member 510 has a first surface S1_1 and a second surface S1_2 with respect to the first surface S1_1. The first surface S1_1 is located outside the appearance member 500, and the second surface S1_2 is located between the appearance member 500 and the smart watch 60. The transparent member 510 includes a plurality of microstructures 512. The microstructures 512 are evenly staggered on the first surface S1_1 to form the pattern structure 102. In the present embodiment, these microstructures 512 are similar to the microstructures 112 of the embodiment of Figures 1A-1D. The related processes for forming the microstructures 512 on the transparent member 510 and the related description of the microstructures 512 can be referred to the related processes of the microstructures 112 formed on the transparent plate 110 and related descriptions of the microstructures 112, and will not be described herein. Additionally, in the present embodiment, the material of the transparent member 510 is sapphire, however in some embodiments, the material of the transparent member 510 may include sapphire, glass, transparent ceramic, spinel, quartz, or a combination thereof.

In some embodiments, the microstructures 512 may also have a pattern structure having a specific shape and characters arranged on the first surface S1_1 of the transparent member 510 as needed. In addition, in some embodiments, the microstructures 512 may be arranged on the second surface S1_2 to form a pattern structure, or the microstructures 512 may be arranged on the first surface S1_1 and the second surface S1_2 to form a pattern structure. The invention is not limited thereto. In addition, in some embodiments, the microstructure 512 of the appearance member 500 is formed on the first surface S1_1 and the second surface S1_2, and the appearance member 500 further includes a semiconductor light emitting structure similar to the embodiment of FIGS. 4A to 4B (not drawn Show). The semiconductor light emitting structure is formed on the microstructures 512 of the second surface S1_2, and the light source is directly provided to cause the pattern structure 502 of the first surface S1_1 of these embodiments to emit light. Specifically, the related description of the semiconductor light emitting structure of these embodiments can be referred to the related description of the semiconductor light emitting structure 420 of the embodiment of FIGS. 4A to 4B, and details are not described herein again.

In the present embodiment, since the microstructures 512 are directly formed on the transparent member 510, the pattern structures 502 formed by the microstructures 512 are not easily damaged. In addition, since the microstructures 512 are three-dimensional topography, the pattern structures 502 formed by the microstructures 512 can exhibit different optical effects at different viewing angles, such as deflection or diffraction effects of light, thereby presenting flaws. Color visual effects. In addition, since the microstructures 512 are directly formed by, for example, lithography etching, the structural parameters of the microstructures 512, such as height, may be adjusted according to the visual effect requirements of the pattern structure 502, for example, It is the etching time. In the present embodiment, since the microstructures 512 are directly formed on the transparent member 510 of the appearance member 500 by, for example, lithography, the microstructures 512 can be accurately formed on the desired formation position on the transparent member 510, so that the appearance The pattern structure 502 of the piece 500 is accurately positioned at the desired location. In particular, the appearance member 500 having the pattern structure 502 can be used for precise alignment assembly with other components or products during subsequent processing or use.

FIG. 6 is a front elevational view showing the appearance of another embodiment of the present invention. Please refer to FIG. 6. In the present embodiment, the appearance member 600 is similar to the appearance member 500 of FIG. 5. The related member description of the appearance member 600 can be described with reference to the related members of the appearance member 500 of the embodiment of FIG. 5. The appearance member 600 differs from the appearance member 500 in that the transparent member 610 of the appearance member 600 has a first surface S1_1 and a second surface S1_2 with respect to the first surface S1_1. The plurality of microstructures 612 are arranged on the first surface S1_1 to form the pattern structure 602 of the appearance member 600. In particular, pattern structure 602 can include, for example, a particular text or pattern. In this embodiment, the microstructures 612 are arranged in a plurality of identical specific characters. Due to the small size of these texts, these texts cannot be viewed directly by the naked eye, but must be viewed through a microscope or other inspection equipment. In particular, since the pattern structure 602 includes these specific characters formed by the arrangement of the microstructures 612, the pattern structure 602 provides a visual effect similar to that of the pattern structure 502 of the embodiment of FIG. The appearance component 600 has a specific recognition function. In some embodiments, the appearance member 600 can have an anti-counterfeiting effect by designing the pattern structure 602 to include a particular text or pattern.

In summary, the protective cover of the embodiment of the present invention has a pattern structure. The transparent plate of the protective cover includes a plurality of microstructures. The microstructures are arranged on at least one of the first surface and the second surface of the transparent plate to form a pattern structure of the protective cover. Therefore, the protective cover has a pattern structure that can produce a enamel visual effect, and it can be used for accurate alignment assembly. In addition, the appearance member of the embodiment of the invention has a pattern structure. The transparent member of the appearance member includes a plurality of microstructures. The microstructures are arranged on at least one of the first surface and the second surface of the transparent member to form a pattern structure of the appearance member. Therefore, the appearance member has a pattern structure that can produce a enamel visual effect, and it can be used for accurate alignment assembly.

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.

50A, 50B‧‧‧ mobile phone
52‧‧‧ lens
60‧‧‧Smart Watch
100, 200, 300, 400‧‧‧ protective cover
102, 202, 302, 402, 502, 602‧‧‧ pattern structure
110, 210, 310, 410, 510, 610‧‧ ‧ transparent board
112, 212, 312, 412, 412a, 412b, 512, 612‧‧‧ microstructure
214, 314, 414‧‧‧ first part
216, 316, 416‧‧‧ Part II
420‧‧‧Semiconductor light-emitting structure
500, 600‧‧‧ appearance parts
A1, A2‧‧‧ area
G1‧‧‧ spacing
H1‧‧‧ Height
II‧‧‧ line
S1, S2, S3, S4‧‧‧ surface
S1_1‧‧‧ first surface
S1_2‧‧‧ second surface
W1‧‧‧Width

FIG. 1A is a schematic diagram showing an explosion of a protective cover applied to a mobile phone according to an embodiment of the invention. FIG. FIG. 1B is a front elevational view of the protective cover of the embodiment of FIG. 1A. FIG. 1C is an enlarged schematic view showing the transparent plate of the protective cover of the embodiment of FIG. 1B in the area A1. FIG. 1D is an enlarged schematic view of the transparent plate of the embodiment of FIG. 1C in the area A2. 2A is a front elevational view showing a protective cover applied to a mobile phone according to another embodiment of the present invention. 2B is an enlarged schematic view of the protective cover of the embodiment of FIG. 2A. 3 is a front elevational view showing a protective cover according to still another embodiment of the present invention. 4A is a front elevational view showing a protective cover according to still another embodiment of the present invention. 4B is a cross-sectional view of the protective cover of FIG. 4A taken along line I-I. FIG. 5 is a top plan view showing the appearance of an appearance member applied to a smart watch according to an embodiment of the invention. 6 is a front elevational view showing an appearance member according to another embodiment of the present invention.

100‧‧‧ protective cover

102‧‧‧pattern structure

110‧‧‧Transparent board

112‧‧‧Microstructure

A1‧‧‧ area

S3, S4‧‧‧ surface

S1_1‧‧‧ first surface

S1_2‧‧‧ second surface

Claims (10)

A protective cover having a pattern structure, the protective cover comprising: a transparent plate having a first surface and a second surface opposite to the first surface, the transparent plate comprising a plurality of microstructures, wherein the microstructures are The pattern structure of the protective cover is arranged on at least one of the first surface and the second surface. The protective cover of claim 1, wherein the height of the microstructures falls within the range of 0.5 micrometers to 5 micrometers. The protective cover of claim 1, wherein the pitch of the microstructures falls within a range of 0.5 micrometers to 20 micrometers. The protective cover of claim 1, wherein the material of the transparent plate comprises sapphire, glass, transparent ceramic, spinel, quartz or a combination thereof. The protective cover of claim 1, wherein the microstructures are disposed on the first surface and the second surface, the protective cover further includes a semiconductor light emitting structure, and the semiconductor light emitting structure is formed in the second The microstructures of the surface. An appearance member having a pattern structure, the appearance member comprising: a transparent member having a first surface and a second surface opposite to the first surface, the transparent member comprising a plurality of microstructures, wherein the microstructures are The pattern structure of the appearance member is arranged on at least one of the first surface and the second surface. The appearance member of claim 6, wherein the height of the microstructures falls within a range of 0.5 micrometers to 5 micrometers. The appearance member of claim 6, wherein the pitch of the microstructures falls within a range of 0.5 micrometers to 20 micrometers. The appearance member according to claim 6, wherein the material of the transparent member comprises sapphire, glass, transparent ceramic, spinel, quartz or a combination thereof. The appearance member of claim 6, wherein the microstructures are disposed on the first surface and the second surface, the appearance member further includes a semiconductor light emitting structure, and the semiconductor light emitting structure is formed in the second The microstructures of the surface.