WO2023277588A1

WO2023277588A1 - Cover and electronic device comprisng same

Info

Publication number: WO2023277588A1
Application number: PCT/KR2022/009354
Authority: WO
Inventors: 정현정; 황한규; 싱 라토르프런비르; 조성호; 황창연; 최종철
Original assignee: 삼성전자 주식회사
Priority date: 2021-06-30
Filing date: 2022-06-29
Publication date: 2023-01-05
Also published as: KR20230004137A

Abstract

The present disclosure relates to a cover, an electronic device comprising same, and a technique for manufacturing same, the cover being implemented such that the exterior thereof, having a three-dimensional (3D) shape, has changing color or gloss, thereby having diverse patterns. According to one embodiment of the present disclosure, provided is an electronic device comprising a cover, which encompasses at least a portion of a housing of the electronic device or forms at least a portion of a rear plate of the electronic device, wherein the cover comprises: a base material; a first layer formed on the base material; a second layer formed on the first layer; a first processing unit formed on the first layer; and a second processing unit formed on the second layer, wherein color viewed from the outside of the cover is variously implemented by means of the first processing unit and the second processing unit.

Description

Cover and electronic device including the same

Embodiments of the present disclosure relate to a cover, an electronic device including the same, and a method for manufacturing the same.

Covers are used for portable electronic products such as terminals and game consoles, home appliances, and daily necessities such as cosmetic cases. Covers protect these products from external shocks as well as vary the appearance of products according to various needs of users. It is used to enhance design aesthetics by making the appearance beautiful.

The appearance of the cover can soon form the appearance of the product, so efforts are being made to diversify the appearance of the cover. For example, from simply varying the color of a product, painting in a form in which the color gradually changes within one product, and having a graceful design by engraving a pattern (e.g., pattern) on the surface A cover having a decorative layer may be provided.

In order to create a decorative layer in which various colors and patterns are implemented on the exterior of the cover, according to an embodiment, the decorative layer can be implemented by painting a material having one or more colors on a base material, curing it, and performing patterning using a laser. there is. However, according to such a method, it may be difficult to form a pattern having a difference in depth and to realize a decorative layer having a three-dimensional texture.

As another embodiment of implementing a decorative layer having a three-dimensional texture, a digital printing method may be applied. In the case of a decorative layer made by the digital printing method, it is easy to diversify colors and patterns in a 2D flat shape, but, for example, a portable In a portion having a curvature formed at the edge of the terminal cover, a phenomenon in which foreign matter may scatter or a pattern line may be distorted may occur.

On the other hand, the cover may be manufactured to protect the exterior from physical impact as well as to have a property that does not burn well even if a fire is caught. To this end, the cover may be manufactured by including a mineral particle, a compound having a phosphorus component, and/or a flame retardant material such as aluminum hydroxide. that can be difficult Therefore, since the flame retardant material is usually used together with an opaque material instead of a transparent or translucent material, a cover having flame retardant properties may be manufactured by including an opaque material.

According to one embodiment of the present disclosure, as a cover in which various colors and patterns are implemented on the exterior, it is intended to provide a cover including a decorative layer having a sense of depth and implementing a three-dimensional texture.

According to one embodiment of the present disclosure, in a cover including a flame retardant material, it is intended to provide a cover capable of implementing various colors and patterns and a manufacturing method thereof.

According to an embodiment of the present disclosure, an electronic device includes a cover formed to surround at least a portion of a housing of the electronic device or form at least a portion of a back plate of the electronic device, wherein the cover includes: a base material; a first layer formed on the base material; a second layer formed over the first layer; a first processing part formed on the first layer; and a second processing unit formed on the second layer, wherein the colors viewed from the outside of the cover are differently implemented by the first processing unit and the second processing unit. can do.

According to an embodiment, a method of manufacturing an electronic device cover includes manufacturing a base material; applying a first layer on the substrate; forming a first processing part in the first layer by laser patterning; applying or depositing a second layer over the first layer; Forming a second processing part on the second layer by laser patterning; and forming a clear layer may provide a method of manufacturing an electronic device cover.

According to an embodiment, an electronic device includes a cover constituting at least one surface of the electronic device, wherein the cover includes: a base material including at least one flame retardant material and a first color; a first layer, at least partially transparent, formed on the base material; a second layer comprising a second color and formed over the first layer; a first processing part formed on the first layer; And a second processing unit formed by including the first layer and the second layer; characterized in that the color visually recognized from the outside of the cover is implemented differently by the first processing unit and the second processing unit. It is possible to provide an electronic device to be.

According to one embodiment of the present disclosure, in a cover including an opaque material including a flame retardant material, it is possible to implement various colors and patterns, as well as provide a cover in which a three-dimensional texture is implemented with a sense of depth.

1 is a diagram illustrating a cover according to an embodiment of the present disclosure.

2 is a diagram illustrating a cross section of a cover according to an embodiment of the present disclosure.

3 is a conceptual diagram illustrating a process of forming a cover according to an embodiment of the present disclosure.

4 is a conceptual diagram illustrating a process of forming a cover according to an embodiment of the present disclosure.

5 is a diagram illustrating a cover having various colors and patterns according to an embodiment of the present disclosure.

6 is a diagram illustrating a cover having various colors and patterns according to an embodiment of the present disclosure.

7 is a real view of a cover having various colors and patterns according to an embodiment of the present disclosure.

8 is a diagram illustrating a cross section of a cover according to an embodiment of the present disclosure.

9 is a real view of a cover having various colors and patterns according to an embodiment of the present disclosure.

10 is a view showing a cross section of a cover according to an embodiment of the present disclosure.

11 is a real view of a cover having various colors and patterns according to an embodiment of the present disclosure.

12 is a flowchart illustrating a method of manufacturing a cover according to an embodiment of the present disclosure.

Various embodiments of the present disclosure are described with reference to the accompanying drawings. Examples and terms used therein are not intended to limit the technology described in this document to specific embodiments, and should be understood to include various modifications, equivalents, and/or substitutes of the embodiments. In connection with the description of the drawings, like reference numerals may be used for like elements. Singular expressions may include plural expressions unless the context clearly dictates otherwise.

In the present disclosure, “configured to (or configured to)” means “suitable for,” “having the ability to,” “changed to,” depending on circumstances, for example, hardware or software. ,” “made to,” “capable of,” or or “designed to” can be used interchangeably. In some contexts, the expression "device configured to" can mean that the device is "capable of" in conjunction with other devices or components. For example, the phrase "a processor configured (or configured) to perform A, B, and C" may include a dedicated processor (eg, embedded processor) to perform the operation, or by executing one or more software programs stored in a memory device. , may mean a general-purpose processor (eg, CPU or application processor) capable of performing corresponding operations.

1 is a diagram illustrating a cover 10 according to an embodiment of the present disclosure.

FIG. 1 (a) is a perspective view of the cover 10, and FIG. 1 (b) is a cross-section taken in the direction A-A' in FIG. 1 (a).

1(a) and 1(b) show the aromatic component X, the aromatic component Y, and the aromatic component Z. The directional component X, the directional component Y, and the directional component Z may form a spatial coordinate system orthogonal to each other. Here, the direction component X may represent the width direction of the cover 10, the direction component Y may represent the longitudinal direction of the cover 10, and the direction component Z may represent the height (or thickness) direction of the cover 10.

An embodiment of the present disclosure relates to a cover 10 of an electronic device.

In describing an embodiment of the present disclosure, the 'electronic device' may correspond to various types of electronic devices. Here, the electronic device includes, for example, a portable communication device (e.g., a smartphone), a tablet personal computer (tablet PC), a mobile phone, a video phone, an e-book reader, Desktop personal computer, laptop personal computer, netbook computer, workstation, server, personal digital assistant (PDA), portable multimedia player (PMP), MP3 player, mobile medical It may include at least one of a device, a camera, or a wearable device. According to an embodiment, an electronic device in which the cover 10 forms a part, which is generally small enough to be portable by a user, and includes all electronic devices in which a camera can be disposed on the front, rear, or both sides. can Hereinafter, as an electronic device in which the cover 10 forms a part, a bar-shaped electronic device (eg, a portable communication device (eg, a smartphone)) will be described as an example. According to the embodiment, the cover 10 may be a part of a housing of an electronic device. For example, the cover 10 may constitute a rear plate of the electronic device. Alternatively, the cover 10 may be a rear plate of the electronic device. and a side bezel extended therefrom. However, the present disclosure is not limited thereto. According to an embodiment of the present disclosure, the cover 10 may be an accessory case mountable to an electronic device. Cover as an accessory case 10 may be overlapped with a rear plate and/or a side bezel of the electronic device when mounted on the electronic device. That is, according to an embodiment of the present disclosure, the cover 10 is a part of the electronic device. It may be provided as a cover forming one side of the electronic device or an accessory that surrounds the electronic device. Hereinafter, as a part of the electronic device, the cover 10 forming one side of the electronic device will be mainly described. It can also be applied to covers as wrapping accessories.

According to one embodiment, as shown in FIGS. 1 (a) and 1 (b), the cover 10 has a first surface 11 facing a first direction (eg, the Z-axis direction), It may include a second surface 13 facing a second direction (eg, a Y-axis direction or an X-axis direction) different from the first direction. According to one embodiment, the first surface 11 forms a rear surface (eg, a rear plate) of the electronic device, and the second surface 13 extends from the edge of the rear surface of the electronic device (eg, a side bezel). ) can be formed. In this case, the second surface 13 may be formed to surround the inner space of the electronic device. According to one embodiment, the second surface 13 may extend in a direction substantially perpendicular to the edge of the first surface 11 . At this time, the first surface 11 is formed substantially flat, and the second surface 13 extends in a substantially vertical direction from the first surface 11 but may have a partially curved shape. According to one embodiment, an opening 14 may be additionally formed in the cover 10 . For example, the opening 14 may be formed on the first surface 11 of the cover 10, as shown in FIGS. 1(a) and 1(b), and includes at least one opening. can do. According to one embodiment, the opening 14 is formed at a position corresponding to the rear camera of the electronic device, and a picture can be taken while the rear camera of the electronic device is exposed to the outside through the opening 14.

According to one embodiment, the cover 10 may include a bent portion 12 formed between the first surface 11 and the second surface 13 . The bent portion 12 may have a predetermined curvature and may seamlessly connect the first surface 11 and the second surface 13 . For example, it may be difficult to form a decorative layer on the curved portion 12 due to scattering of foreign matter or distortion of a pattern.

Hereinafter, with reference to the drawings shown in FIGS. 2 to 11, in providing a cover having various colors and patterns, a three-dimensional texture is expressed not only on a plane (eg, the first surface 11) but also on the curved portion 12. A cover having a decorative layer is described.

First, with reference to the embodiments shown in FIGS. 2 to 7 , the cover 10 according to an embodiment will be described.

2 is a view showing a cross section of the cover 10 according to an embodiment of the present disclosure.

Referring to FIG. 2 , the cover 10 may include a base material 101 and a decoration layer 102 .

The base material 101 may be a part constituting the overall skeleton of the cover 10 . According to one embodiment, the base material 101 is resin, or polycarbonate (Poly Carbonate; PC), Polycarbonate Glass Fiber (PCGF), Poly Ethyleneterephthalate (Poly Ethylenetere Phthalate; PET). ) and/or poly methyl methacrylate (PMMA). In addition, the base material 101 may include other materials other than the above materials, such as silicone, urethane, rubber, It may include one of leather, fiber, reinforced glass, ceramic, reinforced plastic, and/or metal (eg, aluminum, stainless steel (STS), or magnesium). Alternatively, the base material 101 may include various of the above-mentioned various materials. It may be formed by a combination of at least two of the materials. In addition, according to an embodiment of the present disclosure, the base material 101 may further include a mineral particle, a compound containing a phosphorus component, and/or a flame retardant material such as aluminum hydroxide.

According to one embodiment of the present disclosure, the base material 101 may have an opaque color by including a flame retardant material. Referring to FIG. 2 , the base material 101 may include a base layer 110 having an opaque color. In order to add various colors to the base material 101 having the opaque color, the base material 101 may include a base material color layer 120 having a first color. However, here, 'a certain layer has a certain color' does not necessarily mean that the base color layer 120 is expressed with only one color. For example, the base material color layer 120 may be formed to include any one or two or more color groups among various colors such as red, yellow, green, and blue. In addition, 'a certain layer has a certain color' may mean that not only the color is varied, but also the brightness and saturation can be formed in various ways, and the concentration of the color continuously changes like a gradation. can include

According to one embodiment, the base color layer 120 may be formed by coating or painting the first color on the base layer 110 . In addition, in the manufacturing method of FIG. 7 to be described later, the 'base material layer injection operation' may include an operation of forming the base material color layer 120 on the base layer 110 . According to one embodiment, the base material color layer 120 may be omitted from the configuration of the cover 10 . For example, the base material color layer 120 of the cover 10 is not formed and includes the base material 101 made of only the base layer 110, and various colors may be implemented in the decoration layer 102 to be described later. .

The decorative layer 102 may be provided to enhance the aesthetic feeling of the user by expressing a sense of depth or a three-dimensional texture as well as implementing various colors and patterns on the base material 101 .

Referring to FIG. 2 , according to an embodiment, the decoration layer 102 may include a first layer 130 , a second layer 140 , a color layer 150 , and a clear layer 160 .

The first layer 130 is a layer formed on the base material 101 (eg, on the base layer 110 or on the base material color layer 120) and may serve as a primer. According to one embodiment, the first layer 130 may be formed by applying, for example, UV paint or urethane paint. According to one embodiment, the first layer 130 may be formed to have a substantially transparent color. According to another embodiment, a processing portion may be formed on the first layer 130 by performing patterning from the upper surface of the first layer 130 .

The second layer 140 is a layer formed on the first layer 130 and may be a layer provided to express a sense of depth or a three-dimensional texture. According to one embodiment, the second layer 140 may be a paint layer having a color or a deposition layer using metal or mineral particles. For example, after forming the second layer 140, patterning may be performed from the upper surface of the second layer 140 to add a sense of depth to the processing unit or to form various positions of the processing unit. For example, unlike the processing part formed on the first layer 130, the processing part formed on the second layer 140 is processed at a different height and may also be processed to have a different depth.

The color layer 150 is a layer for implementing various colors and may be formed on the second layer 140 . According to one embodiment of the present disclosure, for example, as will be described later through the drawing of FIG. 10 , the color layer 150 and a different color layer (eg, 370 in FIG. 10) are additionally provided so that the color of the cover is more diverse. can be implemented

The clear layer 160 forms the outermost layer of the decoration layer 102 and may be a protective layer for imparting gloss and smoothness to the exterior of the cover. According to an embodiment, the clear layer 160 may be formed on the color layer 150 to prevent the color layer 150 from being discolored.

The cover 10 according to an embodiment of the present disclosure may provide a sense of depth or a three-dimensional texture by processing at least a portion of a plurality of layers constituting the decorative layer 102 . According to one embodiment, as shown in FIG. 2, the cover 10 includes a first processing part L1 formed on the first layer 130 and a second processing part L2 formed on the second layer 140. can include The first processing part (L1) and the second processing part (L2) may refer to a space formed by removing a part of the cover 10 by, for example, laser patterning, or parts surrounding the space together with the space. there is. According to the embodiment shown in FIG. 2, the first processing unit L1 and the second processing unit L2 are formed by performing patterning from the upper surfaces of the first layer 130 and the second layer 140, respectively. do. Although it is shown as penetrating the lower surface from the upper surface of the first layer 130 and the second layer 140, it is not necessarily limited thereto, and a certain depth is obtained from the upper surface of the first layer 130 and the second layer 140. can be formed to have

For example, a base material color layer 120 having a thickness of 5 μm to 10 μm is formed on the base layer 110, and a first layer 130 having a thickness of 10 μm to 30 μm is formed on the base color layer 120. can do. Then, a second layer 140 having a thickness of 5 μm to 20 μm is formed on the first layer 130, and a color layer 150 having a thickness of 2 μm to 10 μm is formed on the second layer 140, and the uppermost layer is formed. A clear layer 160 having a thickness of 10 μm to 30 μm may be formed thereon. At this time, for example, the first processing part L1 may be formed to have a depth of 5 μm to 10 μm, and additionally, the second processing part L2 may be formed to have a depth of 2 μm to 5 μm. In this case, the depth of the first processing part (L1) and the depth of the second processing part (L2) may be the same or different.

3 is a conceptual diagram illustrating a process of forming the cover 10 according to an embodiment of the present disclosure. 4 is a conceptual diagram illustrating a process of forming the cover 10 according to an embodiment of the present disclosure.

According to one embodiment, as shown in (a) of FIG. 3, a base layer 110 of a base material is prepared, and a primer is applied to the base layer 110 to form the first layer 130. . Also, referring to (b) of FIG. 3 , a first processing part L1 may be formed on the first layer 130 . In this case, the first processing part L1 may be formed by performing laser patterning on all or part of the first layer 130 . Referring to (c) of FIG. 3 , a second layer 140 may be formed on the first layer 130 on which the first processing part L1 is formed. Here, the second layer 140 may be formed by applying a paint using metal and mineral particles to give a metallic texture. According to one embodiment, the paint may have various colors. For example, the second layer 140 may be formed to have a thickness of 5 μm to 20 μm when a paint is used. And referring to FIG. 3 (d), the second layer 140 has a second processing part (L2) can be formed. In this case, the second processing part L2 may be formed by performing laser patterning on the whole or part of the second layer 140 . Referring to (e) of FIG. 3 , the clear layer 160 may be formed on the second layer 140 where the second processing part L2 is formed. Meanwhile, although not separately shown in the drawing of FIG. 3, in the process of forming the cover 10, an operation of forming a separate color layer (eg, the color layer 150 of FIG. 2) before forming the clear layer 160. may further include.

According to one embodiment, the method of forming the first processing part (L1) and the second processing part (L2) on the first layer 130 and the second layer 140 of the cover 10 may be different for each embodiment. can

According to one embodiment, as shown in (a) of FIG. 4, a base layer 110 of a base material is prepared, and a primer is applied to the base layer 110 to form the first layer 130. . And referring to (b) of FIG. 4 , a first processing part L1 may be formed on the first layer 130 . In this case, the first processing part L1 may be formed by performing laser patterning on all or part of the first layer 130 . Referring to (c) of FIG. 4 , a second layer 140 may be formed on the first layer 130 on which the first processing part L1 is formed. According to one embodiment, the second layer 140 of FIG. 4(c) may be formed by a deposition method rather than a painting method. For example, the second layer 140 may be formed to have a thickness of 1 μm or less in the case of a deposition method. Referring to FIG. can form In this case, the second processing part L2 may be formed by performing laser patterning on the whole or part of the second layer 140 . Referring to (e) of FIG. 4 , a clear layer 160 may be formed on the second layer 140 where the second processing part L2 is formed.

In the embodiments of FIGS. 3 and 4 , the laser patterning operation may be implemented in a triple or quadruple pattern in addition to the double pattern implementation shown in the drawings. After the multi-pattern work is completed, the color layer 150 and the clear layer 160 may be added, or only the clear layer 160 may be added.

Referring back to FIG. 2 , in processing at least a portion of the plurality of layers constituting the decorative layer 102 in the cover 10, one area of the cover 10 has a first depth (eg, 5 μm). to 10 μm) and other areas of the cover 10 are processed to have a second depth (eg, 2 μm to 5 μm) different from the first depth, so that the cover 10 is viewed from the outside. When the external appearance of the cover 10 can be viewed in a different color (refer to the actual drawing of FIG. 7 below). For example, the cover 10 may be formed to include a first area S1 where the first processing part L1 is formed and a second area S2 where the second processing part L2 is formed. Meanwhile, the cover 10 may further include a third region S3 in which the first processing part L1 or the second processing part L2 is not formed.

5 is a view showing a cover 10 having various colors and patterns according to an embodiment of the present disclosure. 6 is a view showing a cover 10 having various colors and patterns according to an embodiment of the present disclosure.

According to an embodiment, the first area S1 of the cover 10 may be formed adjacent to the second area S2. Here, 'adjacent' includes a state in which an element is immediately adjacent to another element. However, it is not limited thereto, and 'adjacent' may include a state in which an element is in close or almost contact with another element at a predetermined distance from each other. In addition, it should be noted that 'adjacent' here includes a component being arranged close to another component, but does not exclude that another component is disposed between the certain component and another component. For example, according to the embodiment shown in FIG. 5 , the first region S1 and the second region S2 are adjacent to each other, and the first region S1 and the third region S3 are adjacent to each other. is shown Referring to FIG. 5 , the second region S2 may be disposed at a plurality of positions. 5 shows that a part of the second region S2 and the third region S3 are spaced apart from each other. It is not necessarily limited to this. For example, unlike the drawing in FIG. 5 , an embodiment in which the second region S2 and the third region S3 are adjacent to each other is also applicable. Referring to FIGS. 5 and 6 , at least one of the first area S1, the second area S2, and the third area S3 may be formed in plurality, and the area may be classified according to the embodiment. can vary. In addition, patterns implemented in the region may also be set in various ways. Depending on the embodiment, at least one of the first area S1, the second area S2, and the third area S3 may be omitted. For example, FIG. 6 shows an embodiment in which the first area S1 and the second area S2 are shown, and the third area S3 is omitted.

According to one embodiment, the first area S1, the second area S2 and/or the third area S3 are the planar parts of the cover 10 (eg, the first surface 11 shown in FIG. 1). ), and/or the second surface 13) or the bent portion 12. In the cover 10 according to an embodiment of the present disclosure, even if the processing parts L1 and L2 are formed on the curved part 12, a sense of depth or a three-dimensional texture may be expressed without scattering foreign substances or distorting the pattern.

7 is a real view of the cover 10 having various colors and patterns according to an embodiment of the present disclosure. Referring to FIGS. 2 and 7 , a method for expressing a sense of depth or a three-dimensional texture of the cover 10 according to an exemplary embodiment will be described.

Referring back to FIG. 2 , according to an exemplary embodiment, the base material 101 may include the base material color layer 120 to have a first color. For example, when the base layer 110 of the base material 101 includes a flame retardant material, since the color may include an opaque color, the base material color layer 120 may be further included to diversify the color of the base material 101. can According to another embodiment, the first layer 130 formed on the base material 101 may be at least partially transparent, and the second layer 140 formed on the first layer 130 may have a second color. can Here, the color layer 150 formed on the second layer 140 may have a third color. According to an embodiment of the present disclosure, the first color, the second color, and the third color may have the same or different colors. However, in the following description, for convenience, the first color, the second color, and the third color are all described as having different colors.

According to an embodiment, the first color is a pink color, the second color is a silver color, and the third color is a translucent light blue color. If this is applied to the embodiment shown in FIG. 2, the base material color layer 120 is formed to have a pink color as a first color, and the second layer 140 is formed to have a silver color as a second color, and the color layer (150) may have a translucent light blue color as a third color. The first layer 130 may have a transparent color. In the cover 10, a first processing part L1 is formed on the first layer 130 of the first region S1, and a second processing part L2 is formed on the second layer 140 of the second region S2. ) can be formed. Also, the first processing part L1 and the second processing part L2 may not be formed in the third region S3. Since the first processing part L1 and the second processing part L2 are formed in the first region S1 and the second region S2, respectively, the user can recognize the corresponding pattern, thereby improving the appearance design. can enhance aesthetics. At this time, looking at the first region S1, in the process of forming the second layer 140 using silver color, the silver color is applied or deposited on the first processing part L1 of the first layer 130. can Thus, the pink color of the base material color layer 120 can be concealed by the silver color applied or deposited on the first processing part L1. Also, only the pattern shape formed by the first processing part L1 of the first layer 130 may be exposed to the outside. In addition, the cover 10 can be diversified in color by including the color layer 150 using a translucent light blue color. The translucent light blue color is a part where other colors on the rear surface of the color layer 150 are partially transmitted, and for example, the silver color of the second layer 120 can be seen through. In the third region S3 , a color obtained by mixing the translucent light blue color of the color layer 150 and the silver color of the second layer 120 may be visible. Looking at the second region (S2), the silver color can be removed at the position where the second processing part (L2) is formed. In the position where the silver color is removed, the pink color disposed below can be visually recognized through the transparent first layer 130 and the second processing part L2. In the second region S2 , the pink color may be a portion where the pink color of the base material color layer 120 is exposed by removing the silver color. An embodiment in which the cover 10 manufactured in this configuration is visually recognized from the outside is shown in FIG. 7 . Referring to FIG. 7 , in the first area S1 of the cover 10, a color of a mixture of silver color and translucent light blue color and a pattern by the first processing part L1 are recognized, and the first area S1 of the cover 10 In the second area (S2), the color of the mixture of pink color and translucent light blue color and the pattern by the second processing part (L2) are recognized, and in the third area (S3) of the cover 10, silver color and translucent light blue A color in which colors are mixed may be recognized.

According to one embodiment of the present disclosure, in order to provide a three-dimensional texture to the cover 10, the depth of the first processing part L1 or the second processing part L2 may be different. Here, 'the depth of the first processing part and the second processing part are formed differently' means that the first processing part and the second processing part are processed at different heights based on a certain surface included in the cover 10. can include In addition, 'the depths of the first processing part and the second processing part are formed differently' means that the first processing part and the second processing part are formed to have different depths on the layer on which they are formed, respectively. that can mean

Hereinafter, with reference to FIGS. 8 to 11, an embodiment in which the depth of the first processing part L1 or the second processing part L2 is formed differently will be described in more detail.

Referring to FIGS. 8 and 9 , a cover 20 according to an embodiment different from that of FIG. 2 will be described.

8 is a view showing a cross section of the cover 20 according to an embodiment of the present disclosure.

Referring to FIG. 8 , the cover 20 may include a base material 201 and a decorative layer 202 . The base material 201 and the decoration layer 202 may be provided for substantially the same purpose as the base material 101 and the decoration layer 102 shown in FIG. 2 . The base material 201 and the decoration layer 202 shown in FIG. 8 may be formed of substantially the same material as the base material 101 and the decoration layer 102 shown in FIG. 2 .

The base material 201 may have an opaque color by including a flame retardant material. Referring to FIG. 8 , the base material 201 may include a base layer 210 having an opaque color. In order to add various colors to the base material 201 having the opaque color, the base material 201 may include a base material color layer 220 having a first color. According to one embodiment, the base color layer 220 may be formed by coating or painting the first color on the base layer 210 .

The decorative layer 202 may be provided to enhance the aesthetics of the user by expressing a sense of depth or a three-dimensional texture as well as implementing more various colors and patterns on the base material 201 .

Referring to FIG. 8 , according to an embodiment, the decoration layer 202 may include a first layer 230 , a second layer 240 , a color layer 250 , and a clear layer 260 .

The first layer 230 is a layer formed on the base material 201 (eg, the base layer 210 or the base color layer 220) and may serve as a primer. According to one embodiment, the first layer 230 may be formed by applying, for example, UV paint or urethane paint. According to one embodiment, the first layer 230 may be formed to have a substantially transparent color. The first layer 230 may include a processing part L1 formed by performing patterning from the upper surface of the first layer 230 .

The second layer 240 is a layer formed on the first layer 230 and may be a layer provided to express a sense of depth or a three-dimensional texture. According to one embodiment, the second layer 240 may be a paint layer or a deposition layer using metal or mineral particles to give a metallic texture. According to one embodiment, the paint layer or the deposition layer may have a color. For example, after forming the second layer 240, patterning is performed from the upper surface of the second layer 240 to form a processing portion L2 having a different depth from the processing portion L1 formed on the first layer 230. can form Referring to FIG. 8 , the processing part L2 formed on the second layer 240 may be formed to extend to the first layer 230 .

The color layer 250 is a layer for implementing various colors and may be formed on the second layer 240 .

The clear layer 260 forms the outermost layer of the decoration layer 202 and may be a protective layer for imparting gloss and smoothness to the exterior of the cover. According to an embodiment, the clear layer 260 may be formed on the color layer 250 to prevent the color layer 250 from being discolored.

The cover 20 according to various embodiments of the present disclosure may provide a sense of depth or a three-dimensional texture by processing at least a portion of a plurality of layers constituting the decorative layer 202 . As shown in FIG. 8, the cover 20 includes a first processing part L1 formed on the first layer 230 and a second processing part L2 formed on the first layer 230 and the second layer 240. ) may be included. The first processing part (L1) and the second processing part (L2) may refer to a space formed by removing a part of the cover 20 by, for example, laser patterning, or the space and parts surrounding the space. .

9 is a real view of a cover 20 having various colors and patterns according to an embodiment of the present disclosure. Referring to FIGS. 8 and 9 , a method for expressing a sense of depth or a three-dimensional texture of the cover 20 according to an exemplary embodiment will be described.

According to one embodiment, the base material 201 may be formed to have a first color including the base material color layer 220 . At least a portion of the first layer 230 formed on the base material 201 may be transparent, and the second layer 240 formed on the first layer 230 may have a second color. Also, the color layer 250 formed on the second layer 240 may have a third color. In one embodiment of the present disclosure, the first color, the second color, and the third color may all have the same or different colors, but hereinafter, they will be described as having different colors for convenience.

According to an embodiment, the first color is a black color, the second color is a silver color, and the third color is a translucent heavy blue color. That is, according to the embodiment shown in FIG. 8, the base material color layer 220 is formed to have a black color as a first color, and the second layer 240 is formed to have a silver color as a second color, and the color layer 250 may have a translucent heavy blue color as a third color. The first layer 230 may have a transparent color. In the cover 20, the first processing part L1 is formed on the first layer 230 of the first region S1, and the first layer 230 and the second layer 240 of the second region S2 are formed. The second processing part (L2) may be formed. Also, the first processing part L1 and the second processing part L2 may not be formed in the third region S3. Since the first processing part L1 or the second processing part L2 is formed in the first area S1 and the second area S2, the user can recognize the corresponding pattern, thereby improving the aesthetics of the exterior design. can heighten the senses. At this time, in the process of forming the second layer 240 using silver color, silver color may be applied or deposited on the first processing part L1 of the first layer 230 . Thus, the black color of the base material color layer 220 can be concealed by the silver color. Also, only the pattern shape formed by the first processing part L1 of the first layer 230 may be exposed to the outside. Colors may be diversified by forming the color layer 250 using a translucent heavy blue color. The translucent heavy blue color is a portion through which other colors on the rear surface of the color layer 250 are visible, and for example, the silver color of the second layer 220 can be seen through. The silver color may be removed from the position where the second processing part (L2) is formed. At the position where the silver color is removed, the black color disposed below it can be externally recognized through the transparent second processing part (L2). An embodiment in which the cover 20 manufactured in this configuration is visually recognized from the outside is shown in FIG. 9 . Referring to FIG. 9 , in the first area S1 of the cover 20, a color in which silver color and semi-transparent heavy blue color are mixed is recognized, and in the second area S2 of the cover 20, black color and semi-transparent heavy blue color are displayed. A color in which blue color is mixed may be recognized. At this time, the pattern by the first processing part (L1) is visually recognized in the first area (S1), and the pattern by the second processing part (L2) can be recognized in the second area (S2).

Referring to FIGS. 10 and 11 , a cover 30 according to another embodiment of FIGS. 2 and 8 will be described.

10 is a view showing a cross section of the cover 30 according to an embodiment of the present disclosure.

Referring to FIG. 10 , the cover 30 may include a base material 301 and a decorative layer 302 . The base material 301 and the decorative layer 302 are prepared for substantially the same purpose as the base material 101 and the decorative layer 102 shown in FIG. 2 and the base material 201 and the decorative layer 202 shown in FIG. It can be. The base material 301 and the decoration layer 302 shown in FIG. 10 are substantially the same as the base material 101 and the decoration layer 102 shown in FIG. 2 and the base material 301 and the decoration layer 302 shown in FIG. can be formed as In describing the components of the following embodiments, the same components as those of the previous embodiment may be omitted.

The base material 301 may have an opaque color by including a flame retardant material. Referring to FIG. 10 , the base material 301 may include a base layer 310 having an opaque color. In order to add various colors to the base material 301 having the opaque color, the base material 301 may include a base material color layer 320 having a first color. According to one embodiment, the base color layer 320 may be formed by coating or painting the first color on the base layer 310 .

The decoration layer 302 may be provided to enhance the aesthetic feeling of the user by expressing a sense of depth or a three-dimensional texture as well as implementing more various colors and patterns on the base material 301 .

Referring to FIG. 10 , according to another embodiment shown in FIGS. 2 and 8 , the decoration layer 302 includes a first layer 330 , a second layer 340 , and a first color layer 350 . ), a clear layer 360, and a second color layer 370.

The first layer 330 is a layer formed on the second color layer 320 (eg, on the base layer 310 or on the base color layer 320) and may serve as a primer. According to one embodiment, the first layer 330 may be formed by applying, for example, UV paint or urethane paint. According to one embodiment, the first layer 330 may be formed to have a substantially transparent color. The first layer 330 may include a processing part L1 formed by performing patterning from the upper surface of the first layer 330 .

The second layer 340 is a layer formed on the first layer 330, and according to an embodiment, the second layer 140 may be a paint layer having a color or a deposition layer using metal or mineral particles. . According to another embodiment, unlike the

second layers

140 and 240 shown in FIGS. 2 and 8 are layers containing color, the second layer 340 in FIG. 10 does not include color and has a sense of depth or color. It may be a layer provided to express a three-dimensional texture. For example, after forming the second layer 340, patterning is performed from the upper surface of the second layer 340 to form a processing portion L2 having a different depth from the processing portion formed on the first layer 330. can Referring to FIG. 10 , the processing part L2 formed on the second layer 340 may pass through the first layer 330 and extend to the second color layer 370 .

The first color layer 350 is a layer formed on the second layer 340 and may be implemented in a color different from that of the second color layer 370 .

The clear layer 360 forms the outermost layer of the decoration layer 302 and may be a protective layer for imparting gloss and smoothness to the exterior of the cover. According to an embodiment, the clear layer 360 may be formed on the first color layer 350 to prevent the first color layer 350 from discoloring.

Referring to FIG. 10 , a second color layer 370 may be formed on the base material color layer 320 of the base material 301 . The second color layer 370 is provided to further diversify the color of the cover 30, and may be implemented in a color different from that of the base material color layer 320.

The cover 30 according to an embodiment of the present disclosure may provide a sense of depth or a three-dimensional texture by processing at least a portion of a plurality of layers constituting the decorative layer 302 . As shown in FIG. 10, the cover 30 includes a first processing unit L1 formed on a first layer 330, a second color layer 370, a first layer 330, and a second layer 340. It may include a second processing part (L2) formed in. Compared to the embodiments shown in FIGS. 2 and 8, in the embodiment shown in FIG. 10, the depth of the second processing part L2 can be formed deeper, thereby improving the appearance of the cover 30. The sense of depth or three-dimensional texture of the formed pattern can be further improved.

11 is a real view of a cover 30 having various colors and patterns according to an embodiment of the present disclosure. Referring to FIGS. 10 and 11 , a method for expressing a sense of depth or a three-dimensional texture of the cover 30 according to an exemplary embodiment will be described.

According to one embodiment, the base material 301 may be formed to have a first color including the base material color layer 320 . The second color layer 370 formed on the base material 301 may be formed to have a second color. The first layer 330 formed on the second color layer 370 may be at least partially transparent, and the second layer 340 formed on the first layer 330 may also be formed at least partially transparent. . Also, the first color layer 350 formed on the second layer 340 may have a third color. In one embodiment of the present disclosure, the first color, the second color, and the third color may all have the same or different colors, but hereinafter, they will be described as having different colors for convenience.

For example, the first color may include black color, the second color may include silver color, and the third color may include translucent (or transparent) red color. That is, according to the embodiment shown in FIG. 10, the base material color layer 220 is formed to include black color as the first color, and the second color layer 370 is formed to include silver color as the second color. It can be. Also, the first color layer 350 may include a translucent (or transparent) red color as a third color. In the cover 30, the first processing part L1 is formed on the first layer 330 of the second region S2, the second color layer 370 of the first region S1, and the first layer 330 ) and the second layer 340 may be formed with a second processing part L2. Also, the first processing part L1 and the second processing part L2 may not be formed in the third region S3. Since the first processing part (L1) or the second processing part (L2) is formed in the first area (S1) and the second area (S2), the user can recognize the corresponding pattern, so the aesthetics of the exterior design can heighten the senses. In this case, in the process of forming the second color layer 370 using silver color, silver color may be coated or deposited on the base color layer 320 . Thus, the black color of the base material color layer 320 can be concealed by the silver color. Also, the pattern shape formed by the first processing part L1 of the first layer 330 may be exposed to the outside. The color may be diversified by forming the first color layer 350 using a translucent (or transparent) red color. The translucent (or transparent) red color is a portion through which other colors on the rear surface of the first color layer 350 are visible, and for example, silver color of the second color layer 370 can be seen through. Silver color can be removed at the position where the second processing part (L2) is formed. At the location where the silver color is removed, the black color disposed below it can be externally recognized through the transparent second processing part (L2). An embodiment in which the cover 30 manufactured in this configuration is visually recognized from the outside is shown in FIG. 11 . Referring to FIG. 11, in the first area S1 of the cover 30, a color in which silver color and translucent (transparent) red color are mixed is recognized, and in the second area S2 of the cover 30, black color and A color in which translucent (or transparent) red color is mixed is recognized, and translucent (transparent) red color may be recognized in the third region S3 of the cover 30 . At this time, the pattern by the first processing part (L1) is visually recognized in the first area (S1), and the pattern by the second processing part (L2) can be recognized in the second area (S2).

According to one embodiment, in the manufacturing method of the electronic device cover, the operation of manufacturing a base material (eg, base material 101 of FIG. 2); Applying a first layer (eg, the first layer 130 of FIG. 2) on the base material; forming a first processing part (eg, the first processing part L1 of FIG. 2 ) in the first layer by laser patterning; coating or depositing a second layer (eg, the second layer 140 of FIG. 2 ) on the first layer; An operation of forming a second processing part (eg, the second processing part L2 of FIG. 2) by laser patterning on the second layer; and forming a clear layer (eg, the clear layer 160 of FIG. 2) Actions may be included.

In relation to

operations

710 and 720 of FIG. 12 , a mold for injecting a base material may be prepared first. When the mold is prepared, a material (eg, meltable resin) for constituting the base layer (eg, the base layer 110 of FIG. 2 ) of the base material may be injected and then injected. A material for constituting the base layer 110 may further include a flame retardant material. When the base material includes a flame retardant material, the injected base material may have, for example, an opaque color. After the base material layer injection operation 720, an operation 721 of forming a base material color layer (eg, the base material color layer 120 of FIG. 2) to diversify the color of the base material may be further included. The operation 721 of forming the base material color layer 120 may be implemented by applying a first color on the base layer 110 . In connection with operation 730 , a primer (eg, UV paint or urethane) may be applied to the base layer 110 to form the first layer 130 . For example, the first layer 130 may be applied and formed by a spray method using a spray gun. In operation 740 , a first processing unit (eg, the first processing unit L1 of FIG. 2 ) may be formed on the first layer 130 . In this case, the first processing part L1 may be formed by performing laser patterning on all or part of the first layer 130 . In connection with operation 750, a second layer (eg, the second layer 140 of FIG. 2 ) may be formed on the first layer 130 on which the first processing part L1 is formed.

Here, the second layer 140 is applied with a paint containing metal or mineral particles through a method similar to the first layer 130 (eg, a spray method using a spray gun), or the first layer 130 Unlike the formation method, it may be formed through a deposition method. In operation 760 , a second processing unit (eg, the second processing unit L2 of FIG. 2 ) may be formed in the second layer 140 . In this case, the second processing part L2 may be formed by performing laser patterning on the whole or part of the second layer 140 . According to one embodiment, the second processing part (L2) may be formed to have a deeper depth than the first processing part (L1). In connection with operation 770, a clear layer (eg, the clear layer 160 of FIG. 2) may be formed on the second layer 140 where the second processing part L2 is formed. In connection with operation 780, the exterior of the cover may be completed by performing a post-processing process such as CNC or polishing on the cover formed up to the clear layer.

The above-described manufacturing method of the electronic device cover may be an example of a process of forming the cover 10 shown in FIG. 2 . In the process of forming the cover 10, at least one of the above-described operations may be omitted, may be replaced with another operation, or operations other than the above-mentioned operations may be further included. For example, the operation of forming the base material color layer 120 may be omitted. For example, an operation of forming a color layer (eg, the color layer 150 of FIG. 2 ) may be further included between

operations

760 and 770 .

In addition, the electronic device cover and its manufacturing method mentioned in FIGS. 2 to 12 disclose a first processing part and a second processing part formed on a first layer and a second layer, and thus a first color, a second color, A cover including a third color is disclosed. However, the scope according to an embodiment of the present disclosure is not limited to the above-described embodiments. As mentioned in the problems, means, and effects of the present invention, if it is to provide a cover made of an opaque material including a flame retardant material, various colors and patterns can be implemented, as well as a three-dimensional texture with a sense of depth. , various modifications of the above-described embodiments may be possible. For example, the cover according to an embodiment of the present disclosure may further include at least one layer (eg, a third layer) not shown in the drawings, wherein the first processing unit and the second processing unit At least one processing unit (eg, a third processing unit) formed to have a different sense of depth may be further included. In addition, the cover according to an embodiment of the present disclosure may further include at least one color (eg, a fourth color) not shown in the drawings.

According to an embodiment of the present disclosure, an electronic device includes a cover formed to surround at least a portion of a housing of the electronic device or form at least a portion of a back plate of the electronic device, wherein the cover includes: a base material; a first layer formed on the base material; a second layer formed over the first layer; a first processing part formed on the first layer; And a second processing part formed on the second layer; characterized in that the first processing part and the second processing part are formed to have different depths from each other, so that the color visually recognized from the outside of the cover is implemented differently. It is possible to provide an electronic device that does.

According to one embodiment, the first processing part is formed to have a first depth (depth) in the first layer, the second processing part is formed in the first layer and the second layer, than the first depth It may be formed to have a deep second depth.

According to an embodiment, the cover may include a first area in which the first processing part is formed and a second area in which the second processing part is formed.

According to one embodiment, the cover includes a first surface facing a first direction and a second surface facing a second direction different from the first direction, and a bent portion formed between the first surface and the second surface. can include

According to an embodiment, the first region or the second region may be formed in the curved portion.

According to one embodiment, the base material may include a flame retardant material.

According to one embodiment, the flame retardant material may include at least one or a combination of two or more of mineral particles, a compound containing phosphorus, and aluminum hydroxide.

According to one embodiment, the base material may have a first color.

According to one embodiment, the base material is a base layer having an opaque color; and a base color layer having the first color.

According to one embodiment, at least a portion of the first layer may be transparent.

According to one embodiment, the second layer may have a second color.

According to one embodiment, the cover may further include a color layer having a third color and a clear layer formed on the color layer.

According to one embodiment, the first processing unit and the second processing unit may be formed using laser patterning.

According to an embodiment of the present disclosure, in a method for manufacturing an electronic device cover,

Manufacturing a base material; applying a first layer on the substrate; forming a first processing part in the first layer by laser patterning; applying or depositing a second layer over the first layer; Forming a second processing part on the second layer by laser patterning; and forming a clear layer.

According to one embodiment, the second processing unit may be formed to have a second depth deeper than the first depth of the first processing unit.

According to one embodiment of the present disclosure, an electronic device includes a cover constituting at least one surface of the electronic device, wherein the cover includes: a base material including at least one flame retardant material and a first color; a first layer, at least partially transparent, formed on the base material; a second layer comprising a second color and formed over the first layer; a first processing part formed on the first layer; and a second processing unit formed by including the first layer and the second layer, and different colors viewed from the outside of the cover may be implemented by the first processing unit and the second processing unit. .

According to one embodiment, the cover includes a first surface facing a first direction, and a second surface facing a second direction different from the first direction, and a curved portion formed between the first surface and the second surface. Including, the first region or the second region may be formed in the curved portion.

An embodiment of this document and terms used therein are not intended to limit the technical features described in this document to specific embodiments, and should be understood to include various modifications, equivalents, or substitutes of the embodiment. In connection with the description of the drawings, like reference numbers may be used for like or related elements. The singular form of a noun corresponding to an item may include one item or a plurality of items, unless the relevant context clearly dictates otherwise. In this document, "A or B", "at least one of A and B", "at least one of A or B", "A, B or C", "at least one of A, B and C", and "A Each of the phrases such as "at least one of , B, or C" may include any one of the items listed together in that phrase, or all possible combinations thereof. Terms such as "first", "second", or "first" or "secondary" may simply be used to distinguish a given component from other corresponding components, and may be used to refer to a given component in another aspect (eg, importance or order) is not limited. A (e.g. first) component is "connected", "connected" to another (e.g. second) component, with or without the terms "functionally" or "communicatively"; When it is referred to as "coupled" or "connected", it means that one component connects to the other component directly (eg, by wire), wirelessly, or another component (eg, a third component). This means that it can be connected through

The term "module" used in one embodiment of this document may include a unit implemented in hardware, software, or firmware, for example, interchangeably with terms such as logic, logic block, component, or circuit. can be used A module may be an integrally constructed component or a minimal unit of components or a portion thereof that performs one or more functions. For example, according to one embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

According to an embodiment, each component (eg, module or program) of the above-described components may include a single object or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. . According to an embodiment, one or more components or operations among the aforementioned corresponding components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg modules or programs) may be integrated into a single component. In this case, the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by a corresponding component of the plurality of components prior to the integration. . According to one embodiment, the actions performed by a module, program, or other component are executed sequentially, in parallel, iteratively, or heuristically, or one or more of the actions are executed in a different order, omitted, or , or one or more other operations may be added.

The embodiments of the present disclosure are presented for explanation and understanding of the disclosed, technical content, and do not limit the scope of the present disclosure. Therefore, the scope of the present disclosure should be construed to include all changes or various other embodiments based on the technical spirit of the present disclosure.

Claims

In electronic devices,

A cover formed to surround at least a portion of a housing of the electronic device or to form at least a portion of a back plate of the electronic device;

the cover,

parent material;

a first layer formed on the base material;

a second layer formed over the first layer;

a first processing part formed on the first layer; and

A second processing part formed on the second layer; includes,

The electronic device wherein the first processing part and the second processing part are formed to have different depths from each other so that colors viewed from the outside of the cover are different.
According to claim 1,

The first processing part is formed to have a first depth in the first layer,

The second processing unit is formed in the first layer and the second layer to have a second depth deeper than the first depth.
According to claim 1,

the cover,

An electronic device including a first area in which the first processing part is formed and a second area in which the second processing part is formed.
According to claim 3,

the cover,

An electronic device including a first surface facing a first direction and a second surface facing a second direction different from the first direction, and including a bent portion formed between the first surface and the second surface.
According to claim 4,

The electronic device of claim 1 , wherein the first region or the second region is formed in the curved portion.
According to claim 3,

The base material is an electronic device comprising a flame retardant material.
According to claim 6,

The electronic device according to claim 1 , wherein the flame retardant material includes at least one or a combination of two or more of mineral particles, a phosphorus-containing compound, and aluminum hydroxide.
According to claim 3,

The base material has a first color.
According to claim 8,

The base material is a base layer having an opaque color; and

An electronic device comprising a base material color layer having the first color.
According to claim 8,

The electronic device of claim 1 , wherein at least a portion of the first layer is transparent.
According to claim 9,

The second layer has a second color.
According to claim 11,

The cover may include a color layer having a third color; and

Electronic device further comprising a clear layer formed on the color layer.
According to claim 1,

The first processing unit and the second processing unit are formed using laser patterning.
In the manufacturing method of the electronic device cover,

Manufacturing a base material;

applying a first layer on the substrate;

forming a first processing part in the first layer by laser patterning;

applying or depositing a second layer over the first layer;

Forming a second processing part in the second layer by laser patterning; And

A method of manufacturing an electronic device cover comprising forming a clear layer.
15. The method of claim 14,

The method of manufacturing an electronic device cover in which the second processing unit is formed to have a second depth deeper than the first depth of the first processing unit.