Electronic device and manufacturing method therefor

Abstract

An electronic device is disclosed. The device comprises a housing, a display disposed in the housing, a pattern layer disposed to surround the outer periphery of the display to provide a three-dimensional (3D) optical illusion effect, and a glass covering the pattern layer and the display. The pattern layer comprises a plurality of protruding patterns configured to have different heights and intervals between a first side of the pattern layer adjacent to the outer periphery of the display and a second side of the pattern layer opposite to the first side of the pattern layer.

Description

Electronic device and method of manufacturing the same

[0001] The present invention relates to an electronic device comprising a pattern layer that provides a 3D optical illusion effect and a method for manufacturing the same.

[0002] Driven by advancements in electronic technology, various types of electronic devices are being developed and distributed. Representative examples include the widespread use of mobile devices such as smartphones, tablet PCs, and smartwatches. Since mobile devices are intended for portable use, not only performance but also size, weight, and design are critical factors. Consequently, there has been a growing need for technology that can improve the design of electronic devices without significantly increasing manufacturing costs, size, or weight.

[0003] The information described above may be provided as related art for the purpose of aiding understanding of the present disclosure. No claim or determination is made as to whether any of the foregoing may be applied as prior art related to the present disclosure.

[0004] An electronic device according to one embodiment of the present disclosure may include a housing, a display disposed in the housing, a pattern layer disposed to surround the outer edge of the display and providing a three-dimensional (three-dimensional) optical illusion effect, and a glass covering the pattern layer and the display. The pattern layer may include a plurality of protruding patterns configured to have different heights and spacings between a first side of the pattern layer adjacent to the outer edge of the display and a second side of the pattern layer opposite to the first side of the pattern layer.

[0005] A method for manufacturing an electronic device according to one embodiment of the present disclosure may include: a step of manufacturing a pattern glass having a pattern layer formed thereon comprising a plurality of protruding patterns that provide a 3D illusion effect; and a step of laminating the pattern glass with respect to a housing that accommodates a display, such that the pattern layer is positioned to surround the outer edge of the display. The pattern layer may include: an optical member having a front surface in contact with the rear surface of the glass and having the plurality of protruding patterns provided on the rear surface; a reflective layer covering the plurality of protruding patterns of the optical member so that light incident on the optical member is reflected by the plurality of protruding patterns; and a shielding layer covering the rear surface of the reflective layer.

[0006] In relation to the description of the drawings, the same or similar reference numerals may be used for identical or similar components.

[0007] FIG. 1 is a perspective view showing an electronic device according to one embodiment of the present disclosure.

[0008] FIG. 2 is a drawing showing the form in which an electronic device according to one embodiment of the present disclosure is visible to a user.

[0009] Figure 3 is a cross-sectional view along the line B-B' shown in Figure 1.

[0010] FIG. 4 is a drawing showing a part of a cross-section of an electronic device according to one embodiment of the present disclosure.

[0011] FIG. 5 is a drawing showing a pattern layer included in an electronic device according to one embodiment of the present disclosure.

[0012] FIG. 6 is a drawing showing the overall shape of a pattern layer according to one embodiment of the present disclosure.

[0013] FIG. 7 is a diagram schematically illustrating a method for manufacturing a pattern layer according to one embodiment of the present disclosure.

[0014] FIG. 8 is a flowchart illustrating a method for manufacturing a pattern layer according to one embodiment of the present disclosure.

[0015] FIGS. 9, FIGS. 10 and FIGS. 11 are drawings for explaining a method for manufacturing a pattern layer according to one embodiment of the present disclosure.

[0016] FIG. 12 is a drawing for explaining a method for manufacturing a pattern layer according to one embodiment of the present disclosure.

[0017] FIG. 13 is a drawing showing a pattern layer included in an electronic device according to one embodiment of the present disclosure.

[0018] FIG. 14 is a block diagram showing the configuration of a manufacturing apparatus according to one embodiment of the present disclosure.

[0019] FIG. 15 is a drawing showing a patterned glass according to one embodiment of the present disclosure.

[0020] FIG. 16 is a drawing showing electronic devices to which the pattern glass shown in FIG. 15 is applied.

[0021] FIGS. 17 and 18 are drawings showing an electronic device having a patterned glass applied according to one embodiment of the present disclosure.

[0022] Embodiments according to the present disclosure may be subject to various modifications and may have various embodiments; specific embodiments are illustrated in the drawings and described in detail in this specification. However, this is not intended to limit the scope of specific embodiments and should be understood to include various modifications, equivalents, and / or alternatives of one or more embodiments according to the present disclosure. In relation to the description of the drawings, similar reference numerals may be used for similar components.

[0023] In describing the present disclosure, detailed descriptions of related known functions or configurations are omitted if it is determined that such descriptions would unnecessarily obscure the essence of the present disclosure. Additionally, one or more embodiments according to the present disclosure may be modified in various different forms, and the scope of the technical concept of the present disclosure is not limited to the following embodiments. Rather, these embodiments are provided to make the present disclosure more faithful and complete and to fully convey the technical concept of the present disclosure to those skilled in the art.

[0024] The terms used in this disclosure are used merely to describe specific embodiments and are not intended to limit the scope of the rights. Singular expressions include plural expressions unless the context clearly indicates otherwise.

[0025] In the present disclosure, expressions such as “have,” “may have,” “include,” or “may include” indicate the presence of such features (e.g., numerical values, functions, actions, or components such as parts) and do not exclude the presence of additional features.

[0026] In the present disclosure, expressions such as “A or B,” “at least one of A or / and B,” or “one or more of A or / and B” may include all possible combinations of items listed together. For example, “A or B,” “at least one of A and B,” or “at least one of A or B” may refer to cases including (1) at least one A, (2) at least one B, or (3) both at least one A and at least one B.

[0027] Expressions such as "first," "second," "first," or "second" used in this disclosure may modify various components regardless of order and / or importance, and are used only to distinguish one component from another and do not limit said components.

[0028] As used in this disclosure, the expression “configured to” may be replaced, depending on the context, with, for example, “suitable for,” “having the capacity to,” “designed to,” “adapted to,” “made to,” or “capable of.” The term “configured to” may not necessarily mean only “specifically designed to” in hardware.

[0029] In the present disclosure, a 'module' or 'part' performs at least one function or operation and may be implemented in hardware or software, or a combination of hardware and software. Additionally, a plurality of 'modules' or a plurality of 'parts' may be integrated into at least one module and implemented by at least one processor, except for a 'module' or 'part' that needs to be implemented in specific hardware.

[0030] Meanwhile, various elements and areas in the drawings are depicted schematically. Accordingly, the technical concept of the present disclosure is not limited by the relative sizes or spacing depicted in the attached drawings.

[0031] In this specification, the term 'user' may refer to a person using an electronic device or a device using an electronic device (100) (e.g., an artificial intelligence electronic device).

[0032] Hereinafter, with reference to the attached drawings, one or more embodiments according to the present disclosure are described in detail so that those skilled in the art can easily implement them.

[0033] FIG. 1 is a perspective view showing an electronic device according to one embodiment of the present disclosure. FIG. 2 is a drawing showing the form in which an electronic device according to one embodiment of the present disclosure is visible to a user. FIG. 3 is a cross-sectional view shown along the line B-B' indicated in FIG. 1.

[0034] Referring to FIGS. 1, 2, and 3, an electronic device (100) according to one embodiment is illustrated as being implemented as a mobile phone, but is not limited thereto. For example, the electronic device (100) can be implemented as various types of devices, such as a tablet PC, a laptop PC, an MP3 player, an e-book reader, a game player, a netbook computer, a camera, various wearable devices, a kiosk, etc. In addition to the devices exemplified, various embodiments of the present disclosure may be applied to devices in which glass is formed on one surface.

[0035] An electronic device (100) according to one embodiment of the present disclosure may provide an optical illusion to the user so that the edge regions (A1, A2, A3, A4) appear as a three-dimensional structure (e.g., a fillet structure) that is curved downward as in FIG. 2 (see FIG. 3). In one embodiment, the edge regions (A1, A2, A3, A4) of the electronic device (100) may actually be flat as in FIG. 1 rather than curved surfaces that are curved downward. Accordingly, the electronic device (100) may have a cross-section of approximately a square shape as in FIG. 3.

[0036] According to one embodiment, a pattern layer (130, see FIG. 2) providing a three-dimensional optical illusion effect may be provided in the edge regions (A1, A2, A3, A4) of the electronic device (100). The upper surface of the pattern layer (130) may be covered by glass (120). Accordingly, when a user looks at the electronic device (100) from outside the glass (120), the edge regions (A1, A2, A3, A4) of the electronic device (100) may be perceived as having a three-dimensional form due to the three-dimensional optical illusion effect provided by the pattern layer (130) on the lower side of the glass (120). In the present disclosure, the glass (120) to which such a pattern layer (130) is attached may be referred to as 'pattern glass'.

[0037] According to one embodiment, the pattern layer (130) may include a plurality of protruding patterns (200, see FIG. 4) to provide the aforementioned 3D optical illusion effect. The pattern layer (130) may provide various forms of 3D optical illusion effects by adjusting the protrusion height, spacing, protrusion direction, and / or inclination of the protruding patterns (200). Accordingly, the pattern layer (130) may improve or increase aesthetic satisfaction.

[0038] FIG. 4 is a drawing showing a part of the cross-section of an electronic device (100) according to one embodiment of the present disclosure, and is a cross-sectional view showing the left part of the electronic device (100) in FIG. 3.

[0039] Referring to FIG. 4, an electronic device (100) according to one embodiment includes a housing (110), a display (112), glass (120), and a pattern layer (130).

[0040] According to one embodiment, the housing (110) may be configured to accommodate each component included in the electronic device (100). For example, the housing (110) may be composed of a plurality of surfaces depending on the shape of the electronic device (100). In this case, the plurality of surfaces may each be composed of the same material or different materials. A first surface of the housing (110) (e.g., the front surface of the housing (110)) may be covered by glass (120). A second surface of the housing (110) opposite to the first surface of the housing (110) (e.g., the rear surface of the housing (110)) may be formed of a substantially opaque rear plate. For example, the rear plate may be formed by coated or colored glass, ceramic, polymer, metal (e.g., aluminum, stainless steel (STS), or magnesium), or a combination of at least two of the above materials. The side connecting the first and second sides of the housing (110) may be formed as a side bezel structure comprising metal and / or polymer. The rear plate and the side bezel structure of the housing (110) may be formed integrally according to the embodiment, or may be implemented in a form in which they are manufactured individually and then assembled. The housing (110) may also be described using various terms such as body, packaging, etc.

[0041] According to one embodiment, the display (112) is configured to display various screens. For example, the display (112) can be implemented in various forms such as an LCD (Liquid Crystal Display), an OLED (Organic Light Emitting Diodes) display, an AM-OLED (Active-Matrix Organic Light-Emitting Diode), a PDP (Plasma Display Panel), etc. For example, the display (112) may be implemented as a flexible display that can be bent or folded in any direction, or it may be implemented as a transparent display or a touchscreen display. For example, if the display (112) is implemented as a touchscreen display, it may include a touch detection panel for detecting a user's touch.

[0042] According to one embodiment, the display (112) may be manufactured in a shape corresponding to the first surface of the housing (110) of the electronic device (100). The size of the display (112) may be implemented to be slightly smaller than the total size of the first surface of the housing (110). For example, the display (112) may be arranged so that the pattern layer (130) surrounds the outer edge of the display (112).

[0043] According to one embodiment, the pattern layer (130) may include a plurality of protruding patterns (200) capable of providing a three-dimensional illusion effect. In the present disclosure, a three-dimensional illusion effect refers to an effect in which the glass (120), although substantially having a flat structure, appears to have a three-dimensional shape to the user's eyes. For example, depending on the shape, size, inclination, and / or spacing of the plurality of peaks included in the plurality of protruding patterns (200), the pattern layer (130) may be perceived by the user as various forms of 3D. For example, the cross-section of the electronic device (100) may be approximately rectangular (see FIG. 3), but the outer edge of the display (112) may be perceived as a convex curved surface by the plurality of protruding patterns (200) of the pattern layer (130). An electronic device (100) according to one embodiment includes a pattern layer (130), so that a design satisfactory to the user can be realized without substantially altering the external structure (e.g., without processing the outer edge of the glass (120) into a curved surface).

[0044] According to one embodiment, the pattern layer (130) includes an optical member (131), a reflective layer (132), a shielding layer (133), and a black barrier (134). For example, the pattern layer (130) can be attached to the back surface of the glass (120) via an optical clear adhesive (OCA).

[0045] According to one embodiment, the optical member (131) may include an ultra violet resin layer in contact with the glass (120). A plurality of protruding patterns (200) may be disposed on the rear surface of the optical member (131), which is the opposite side of the front surface of the optical member (131) (e.g., the surface in contact with the rear surface of the glass (120)). For example, the plurality of protruding patterns (200) may be patterns of a shape that protrudes in a direction away from the glass (120).

[0046] For convenience of explanation, in one embodiment of the present disclosure, the side of the pattern layer (130) facing the outer edge of the display (112) (e.g., the side in contact with the black barrier (134)) may be referred to as the first side (130a) of the pattern layer (130), and the side opposite to the first side (130a) of the pattern layer (130) may be referred to as the second side (130b) of the pattern layer (130). For example, the first side (130a) of the pattern layer (130) may be the direction adjacent to the display (112), and the second side (130b) of the pattern layer (130) may be the direction adjacent to the side of the housing (110). Alternatively, the first side (130a) of the pattern layer (130) may be referred to as the inner direction of the electronic device (100), and the second side (130b) of the pattern layer (130) may be referred to as the outer direction of the electronic device (100). In the present disclosure, the first side of the optical member (131) may use the same reference number as the first side (130a) of the pattern layer (130), and the second side of the optical member (131) may use the same reference number as the second side (130b) of the pattern layer (130).

[0047] According to one embodiment, a plurality of protruding patterns (200) may be disposed between a first side (130a) and a second side (130b) of a pattern layer (130). For example, the height, spacing, shape, and / or inclination of each of the plurality of protruding patterns (200) may be implemented differently in at least one unit of protruding patterns. In this way, the height, spacing, shape, and / or inclination of the plurality of protruding patterns (200) may be changed according to the design of the electronic device (100) to be implemented.

[0048] According to one embodiment, the reflective layer (132) may be formed to cover the rear surface of the optical member (131). For example, the reflective layer (132) may be formed with a predetermined thickness along a plurality of protruding patterns (200), so that it may be formed in a pattern similar to the plurality of protruding patterns (200). The reflective layer (132) is configured to reflect at least a portion of the light passing through the optical member (131).

[0049] According to one embodiment, the shielding layer (133) may be formed to cover the reflective layer (132). For example, if the reflective layer (132) contains a material capable of reflecting light, or if the reflective layer (132) is formed as a thin film, some light may pass through the reflective layer (132) even if it contains a material capable of reflecting light. The shielding layer (133) may block the light that has passed through the reflective layer (132). Some light that has passed through the optical member (131) may be reflected toward the glass (120) by the reflective layer (132) and the shielding layer (133).

[0050] According to one embodiment, an optical clear adhesive (OCA) (not shown) may be placed between the reflective layer (132) and the shielding layer (133). In this case, the optical clear adhesive may fill the protruding portion of the reflective layer (132). Light transmitted through the reflective layer (132) of the thin film may be reflected by the optical clear adhesive and emitted to the outside of the electronic device (100).

[0051] According to one embodiment, the black barrier (134) is configured to cover assembly errors that may occur during the process of combining the display (112) and the pattern layer (130) with the housing (110). The black barrier (134) can prevent light leakage that occurs when light generated from the display (112) leaks toward the pattern layer (130).

[0052] According to one embodiment, as the pattern layer (130) is arranged to surround the outer edge of the display (112), a 3D illusion effect may occur at the outer edge of the display (112). For example, when light from an external light source (e.g., indoor lighting or sunlight) passes through the glass (120) and is incident on a plurality of protruding patterns (200), refraction and reflection of light may occur at each protruding pattern (200). As at least one of the height, spacing, shape, and inclination of each protruding pattern (200) is designed differently from the predetermined design, the area between the first side (130a) and the second side (130b) of the pattern layer (130) (see A1, A2, A3, A4 in FIG. 2) may be perceived by the user as a three-dimensional structure.

[0053] For example, the display (112) may have a rectangular shape as in FIG. 1, and the upper, lower, left, and right portions of the outer edge of the display (112) may be surrounded by a pattern layer (130). Accordingly, a 3D illusion effect occurs at the outer edge of the electronic device (100), so that it can be identified by the user as having a convex curved shape. For example, the pattern layer (130) does not have to be positioned to surround the entire outer edge of the display (112), but may be positioned only on a portion of the outer edge of the display (112).

[0054] FIG. 5 is a drawing showing a pattern layer (130) included in an electronic device according to one embodiment of the present disclosure.

[0055] According to one embodiment, each cross-section of a plurality of protruding patterns (200) formed on an optical member (131) may have a triangular shape. Accordingly, each end portion of a plurality of protruding patterns (200) may include peaks (P1, P2, P3, P4).

[0056] According to one embodiment, the peaks (P1, P2, P3, P4) may include a first surface (P11, P21, P31, P41) extending vertically or in a direction nearly vertical from the glass (120) and a second surface (P12, P22, P32, P42) inclined with respect to the first surface (P11, P21, P31, P41). For example, the second surface (P12, P22, P32, P42) may be configured to be inclined downward toward the second side (130b) of the pattern layer (130).

[0057] According to one embodiment, when the first surface (P11, P21, P31, P41) is arranged in a direction perpendicular to the rear surface of the glass (120), the length of the first surface (P11, P21, P31, P41) may be the height of each protruding pattern. A plurality of protruding patterns (200) may be configured such that the height of the plurality of protruding patterns (200) gradually increases as they move from the first side (130a) of the pattern layer (130) to the second side (130b). For example, the height of each protruding pattern (200) may be configured differently depending on the position of the protruding pattern (200) within a range of about 0.01 mm to 0.025 mm. In this case, it is not necessary for the heights of all protruding patterns (200) to be determined differently from each other, and the heights of at least two protruding patterns (200) belonging to a certain section may be configured to be the same.

[0058] According to one embodiment, the spacing (d1, d2, d3, d4) between the peaks (P1, P2, P3, P4) can be the spacing between the protrusion patterns (200). For example, the spacing between the protrusion patterns (200) can be expressed as d1 (e.g., distance from P0 to P1), d2 (e.g., distance from P1 to P2), d3 (e.g., distance from P2 to P3), and d4 (e.g., distance from P3 to P4), respectively. In this case, the spacing between the protrusion patterns (200) may satisfy the magnitude relationship of Equation 1 below.

[0059] [Mathematical Formula 1]

[0060] d4 > d3 > d2 > d1

[0061] In this way, the spacing between two consecutive protruding patterns (200) among the plurality of protruding patterns (200) may be in a shape that narrows as it goes from the first side (130a) to the second side (130b). For example, the spacing between each protruding pattern (200) may be configured differently depending on the position of the protruding pattern (200) within a range of about 0.01 mm to 0.025 mm. In this case, it is not necessary for the spacing between all protruding patterns (200) to be configured differently, and the spacing between protruding patterns (200) belonging to some sections may be configured the same.

[0062] According to one embodiment, the angles (θ1, θ2, θ3, θ4) of each peak (P1, P2, P3, P4) may be configured differently for each protruding pattern (200). For example, the angles (θ1, θ2, θ3, θ4) of each peak (P1, P2, P3, P4) may be the angle between the first surface (P11, P21, P31, P41) and the second surface (P12, P22, P32, P42) constituting the peak. The angles (θ1, θ2, θ3, θ4) of each peak (P1, P2, P3, P4) may be configured to become smaller as they go from the first side (130a) to the second side (130b) of the pattern layer (130). For example, the angles (θ1, θ2, θ3, θ4) of each peak (P1, P2, P3, P4) may satisfy the relationship of magnitude in Equation 2 below.

[0063] [Mathematical Formula 2]

[0064] θ1 < θ2 < θ3 < θ4

[0065] For example, the angles (θ1, θ2, θ3, θ4) of each peak (P1, P2, P3, P4) may be configured within the range of 40° to 50°, but are not limited thereto. The range of the angles (θ1, θ2, θ3, θ4) of the peaks (P1, P2, P3, P4) may be configured with different angles depending on the form of the 3D illusion to be provided.

[0066] The slope direction and shape of the second surface (P12, P22, P32, P42) among the surfaces constituting each peak (P1, P2, P3, P4) can also be configured in various ways depending on the shape of the 3D illusion to be provided. For example, the second surface (P12, P22, P32, P42) of each peak (P1, P2, P3, P4) can be composed of a plane or a curved surface. When the second surface (P12, P22, P32, P42) is implemented as a curved surface, the curvature of the second surface (P12, P22, P32, P42) can all be the same or different from each other. For example, the second surface (P12, P22, P32, P42) can be composed of a curved surface that is convex toward the rear side of the optical member (131), but is not limited thereto. For example, the second surface (P12, P22, P32, P42) may be configured as a curved surface that is convex toward the front side of the optical member (131).

[0067] According to one embodiment, the second surface (P12, P22, P32, P42) may be implemented as a curved surface having a plurality of inflection points. For example, the part near the peak (P1, P2, P3, P4) may be convex and concave from the midpoint, or the opposite shape may be formed.

[0068] FIG. 6 is a drawing showing the overall shape of a pattern layer (130) according to one embodiment of the present disclosure.

[0069] Referring to FIG. 6, the pattern layer (130) may be positioned along the edge regions (A1, A2, A3, A4) of the electronic device (100). In this case, the edge regions (A1, A2, A3, A4) of the electronic device (100) may correspond to a portion adjacent to the outer edge of the glass (120). The pattern layer (130) may be configured to surround the outer edge of the glass (120) so as to correspond to the outer edge of the glass (120). For example, the outer edge of the glass (120) may include at least one straight section and at least one curved section. In this case, the pattern layer (130) may include at least one straight section (S1, S2, S3, S4) corresponding to the straight section of the glass (120) and at least one curved section (S11, S12, S13, S14) corresponding to the curved section of the glass (120).

[0070] For example, the glass (120) may be formed in a quadrilateral shape including curved sections that are a total of four corners and straight sections connecting the four corners. Accordingly, the pattern layer (130) may include four curved sections (S11, S12, S13, S14) corresponding to each corner portion of the glass (120) and four straight sections (S1, S2, S3, S4) corresponding to each straight section of the glass (120). The four straight sections (S1, S2, S3, S4) and the four curved sections (S11, S12, S13, S14) of the pattern layer (130) may have substantially the same width. In this case, the pattern layer (130) may have a closed loop shape as shown in FIG. 6, with four straight sections (S1, S2, S3, S4) and four curved sections (S11, S12, S13, S14) of the glass (120) alternately connected.

[0071] According to one embodiment, a plurality of protruding patterns (200) included in the pattern layer (130) are spaced apart from each other and extend along the outer edge of the glass (120), forming a single closed loop throughout the electronic device (100). In this case, the width of the pattern layer (130) may be equal to or nearly similar to the gap between the first side (130a) and the second side (130b) of the pattern layer (130). For example, the width of the pattern layer (130) may be configured within a range of about 0.5 mm to 2 mm, but is not limited thereto. The numerical range of the width of the pattern layer (130) may be configured according to the size, type, and / or shape of the electronic device (100).

[0072] FIG. 7 is a diagram schematically illustrating a method for manufacturing a pattern layer according to one embodiment of the present disclosure.

[0073] Referring to FIG. 7, a method for manufacturing a pattern layer according to one embodiment can produce a circular master mold (60) and a straight master mold (70).

[0074] According to one embodiment, the circular master mold (60) can be manufactured by spin-cutting a circular plate with a micro-machining tool (e.g., a diamond machining tool). The circular master mold (60) may have a plurality of protruding patterns (not shown) having different diameters relative to the center. For example, the circular plate may be a metal material having rigidity.

[0075] According to one embodiment, a first circular slave sheet (61) can be produced using a circular master mold (60), and a second circular slave sheet (62) can be produced using the first circular slave sheet (61). The first circular slave sheet (61) can be produced by applying it onto a plurality of protruding patterns of the circular master mold (60) and then undergoing a press molding and curing process. The second circular slave sheet (62) can be produced by applying it onto a plurality of protruding patterns of the first circular slave sheet (61) and then undergoing a press molding and curing process. For example, the first and second circular slave sheets (61, 62) may include a UV material.

[0076] According to one embodiment, a portion (62a) of the second circular slave sheet (62) may be cut by laser cutting or NC cutting (numerical control cutting). The portion (62a) of the second circular slave sheet (62) may be used as a curved member (62a) corresponding to a curved section of the glass (120). For example, the curved member (62a) may have a size corresponding to about 1 / 4 of the second circular slave sheet (62). The portion (62a) of the second circular slave sheet (62) and the curved member (62a) use the same reference numeral.

[0077] According to one embodiment, the straight master mold (70) can form a plurality of protruding patterns on a square plate through straight cutting with a micro-processing tool. For example, the square plate may be a metal material having rigidity.

[0078] According to one embodiment, a first straight slave sheet (71) can be produced using a rectangular master mold (60), and a second straight slave sheet (72) can be produced using the first straight slave sheet (71). For example, the first and second straight slave sheets (71, 72) may include UV material. The first straight slave sheet (71) may be produced by applying it onto a plurality of protruding patterns of the rectangular master mold (70) and then undergoing a press molding and curing process. The second straight slave sheet (72) may be produced by applying it onto a plurality of protruding patterns of the first straight slave sheet (71) and then undergoing a press molding and curing process. For example, the first and second straight slave sheets (71, 72) may include UV material.

[0079] According to one embodiment, the second straight slave sheet (72) may be cut into a first part (72a) and a second part (72b) by laser cutting or NC cutting. The second part (72b) of the second straight slave sheet (72) may be cut again into a third part (72c). For example, the first part (72a) of the second straight slave sheet (72) may be used as a first straight member (72a) corresponding to a long straight section of the glass (120), and the third part (72c) of the second straight slave sheet (72) may be used as a second straight member (72c) corresponding to a short straight section of the glass (120). The first part (72a) and the first straight member (72a) use the same reference numeral, and the third part (72c) and the second straight member (72c) use the same reference numeral.

[0080] According to one embodiment, a slave sheet (75) for a UV pattern of a size and shape corresponding to the outer edge of the glass (120) can be produced by connecting four curved members (62a), two first straight members (72a), and two second straight members (72c) as shown in FIG. 7. According to one embodiment, an optical member (131, see FIG. 4) can be formed by press-molding and curing UV resin applied to the glass (120) using the slave sheet (75) for a UV pattern. The slave sheet (75) for a UV pattern may also be referred to as a pattern sheet, a UV sheet, or a slave mold.

[0081] According to one embodiment, the height of a plurality of protruding patterns (200) of the pattern layer (130) may include a pattern (e.g., a negative pattern) that decreases as it goes from the edge of the electronic device (100) toward the display (112), but is not limited thereto. For example, a plurality of protruding patterns (200) of the pattern layer (130) may be implemented as a positive pattern. In this case, the angle, spacing, etc. of each peak may be determined in the opposite way to the negative pattern.

[0082] FIG. 8 is a flowchart illustrating a method for manufacturing a pattern layer according to an embodiment of the present disclosure. FIG. 9, FIG. 10 and FIG. 11 are drawings illustrating a method for manufacturing an optical member of a pattern layer according to an embodiment of the present disclosure. The manufacturing method described below may be performed by a manufacturing apparatus designed for manufacturing pattern glass or an electronic device (100).

[0083] Referring to FIGS. 8, 9, 10 and 11, a manufacturing apparatus (2000, see FIG. 13) for manufacturing pattern glass can create 3D data to shape the protruding pattern to be created, and then produce a master mold (91) using the 3D data and a micro-processing tool capable of processing at the micro level (see 801 in FIG. 8). For example, the master mold (91) is configured to produce at least one slave sheet (e.g., a first slave sheet (92) and a second slave sheet (93)), and may also be referred to as a base mold.

[0084] According to one embodiment, the master mold (91) may be manufactured by processing a metal member with a micro-processing tool based on 3D data, but is not limited thereto. For example, at least one layer may be deposited on a member to be used as a mold (e.g., a substrate made of quartz material) using a PECVD (Plasma Enhanced Chemical Vapor Deposition) method, then an exposure and development operation may be performed to form a photoresist pattern, and the member may be etched using the photoresist pattern to manufacture the master mold.

[0085] When the master mold (91) is produced, the master mold (91) can be used to produce a first slave sheet (92), and the first slave sheet (92) can be used to produce a second slave sheet (93) (see 802 in FIG. 8). The second slave sheet (93) can be a sheet for forming a protruding pattern (200, see FIG. 4) on glass (120, see FIG. 4).

[0086] According to one embodiment, the first slave sheet (92) can be manufactured by pressing the master mold (91) onto a base film coated with UV resin and then curing it. In this case, a negative protrusion pattern (92a) corresponding to the positive protrusion pattern (91a) of the master mold (91) can be formed on one side of the first slave sheet (92).

[0087] According to one embodiment, the first slave sheet (92) may be manufactured using a manufacturing method different from the manufacturing method described above. For example, the manufacturing method of the first slave sheet (92) may involve applying a UV (ultra violet) paint to the upper surface of a master mold (91) to form a UV layer, laminating a base film (e.g., a PET (polyethylene terephthalate) film, a PC (polycarbonate) film, or a PMMA (polymethyl methacrylate) film) onto the UV layer, and then curing the UV layer. Afterward, when the master mold (91) is separated from the cured UV layer, a first slave sheet (92) having a negative protrusion pattern (92a) corresponding to a positive protrusion pattern (91a) of the master mold (91) may be manufactured. In this case, the first slave sheet (92) may include a structure in which the base film and the UV layer are combined.

[0088] According to one embodiment, the method of manufacturing the second slave sheet (93) may be similar to the method of manufacturing the first slave sheet (92). For example, the second slave sheet (93) may be manufactured by applying UV resin onto a base film, pressing it while facing the first slave sheet (92), and then curing it. In this case, a positive protrusion pattern (93a) corresponding to the negative protrusion pattern (92a) of the first slave sheet (92) may be formed on one side of the second slave sheet (93). The positive protrusion pattern (93a) formed on the second slave sheet (93) may be configured substantially identically to the positive protrusion pattern (91a) of the master mold. According to one embodiment, the negative protrusion pattern (200) may be formed on the optical member (131) of the glass (120) using the second slave sheet (93).

[0089] According to one embodiment, a release film may be attached to a first area where a display (112) is to be placed within the entire rear area of ​​the glass (120) (see 803 in FIG. 8). A second area of ​​the rear of the glass (120) that is not covered by the release film may be an area including the outer edge of the glass. The second area of ​​the rear of the glass (120) may form a roughly closed loop shape.

[0090] According to one embodiment, a UV resin layer (131') can be formed by applying UV resin to a second area on the back of the glass (120) (see 804 in FIG. 8). The second slave sheet (93) can be manufactured in a closed loop shape corresponding to the second area on the back of the glass (120) by connecting a plurality of straight sections and a plurality of curved sections as described in FIG. 7 to correspond to the second area on the back of the glass (120).

[0091] According to one embodiment, the second slave sheet (93) can be compressed using a compression roller while seated on the UV resin layer (131') such that the positive protrusion pattern (93a) of the second slave sheet (93) faces the UV resin layer (131') formed on the glass (120) (see 805 in FIG. 8). In this case, a negative protrusion pattern (200) corresponding to the positive protrusion pattern (93a) of the second slave sheet (93) can be formed on the UV resin layer (131').

[0092] According to one embodiment, the UV resin layer (131') can be cured by irradiating ultraviolet light toward the second slave sheet (93) (see 806 in FIG. 8). Once the curing of the UV resin layer (131') is complete, the second slave sheet (93) is removed. An optical member (131) having a plurality of protruding patterns (200) can be formed in a second region on the rear surface of the glass (120).

[0093] According to one embodiment, a reflective material can be deposited on a plurality of protruding patterns (200) of an optical member (131) (see 807 in FIG. 8). Accordingly, a reflective layer (132) covering the plurality of protruding patterns (200) of the optical member (131) can be formed. A shielding material can be deposited on the reflective layer (132) (see 808 in FIG. 8). Once the reflective layer (132) is formed, a release film can be removed (see 809 in FIG. 8).

[0094] In this way, a pattern layer (130) can be formed in a second region of the rear surface of the glass (120) according to the manufacturing method of the present disclosure. The pattern layer (130) may include a black barrier (134, see FIG. 4) to fill the assembly tolerance that occurs between the display (112, see FIG. 4) and the pattern layer (130), as described with reference to FIG. 4. For example, the black barrier (134) may be formed by a printing method after removing a release film from the first region of the rear surface of the glass (120).

[0095] In the present disclosure, a glass (120) having a pattern layer (130) formed thereon may be referred to as pattern glass. A manufacturing apparatus (2000) for forming the pattern layer (130) can manufacture an electronic device by combining the pattern glass with a housing (110, see FIG. 4) that accommodates a display (112). Various components such as various communication modules, processors, memory, and sensors may be mounted together within the housing (110) in addition to the display (112), but the types, mounting order, location, and mounting method of these components may be configured differently depending on the type, size, specifications, etc. of the electronic device (100).

[0096] The pattern layer (130) according to one embodiment is not limited to the manufacturing method described with reference to FIG. 8. Hereinafter, the manufacturing method of the pattern layer (130) will be described with reference to the drawings.

[0097] FIG. 12 is a drawing for explaining a method for manufacturing a pattern layer according to one embodiment of the present disclosure.

[0098] Referring to FIG. 12, 3D data representing a 3D shape to be patterned can be generated, and a grayscale mask (101) can be produced using a grayscale image corresponding to the 3D data. For example, the grayscale mask can be a gradient-shaped image sheet in which a gray level is determined for each position. The grayscale mask may include a material through which light can pass.

[0099] According to one embodiment, patterned glass can be manufactured by a lithographic method using a grayscale mask (101). For example, a UV resin layer (131a) can be formed by applying UV resin onto the glass (120). After aligning the grayscale mask (101) onto the UV resin layer (131a), UV can be irradiated toward the grayscale mask (101).

[0100] For example, the amount of UV transmission may vary depending on the concentration of each part of the grayscale mask (101). The UV resin layer (131a) may be made of an optical member (131) in which a plurality of protruding patterns (200) are formed by UV that passes through the grayscale mask (101).

[0101] According to one embodiment, various protruding patterns can be formed depending on the shape of the grayscale mask (101). In FIG. 12, a plurality of protruding patterns (200) can be manufactured in a shape that gradually rises from the center of the glass (120) toward the edge. The patterned glass including such an optical member (131) can be used as a cover glass for covering a camera lens. This will be explained in the following section.

[0102] FIG. 13 is a drawing showing a pattern layer included in an electronic device according to one embodiment of the present disclosure. In FIG. 13, the remaining configuration, excluding the shape of a plurality of protruding patterns (200), may be substantially the same as the configuration described with reference to FIG. 4.

[0103] Referring to FIG. 13, a plurality of protruding patterns (200') may include a total of five peaks (P1, P2, P3, P4, P5). For example, the height of each peak (P1, P2, P3, P4, P5) may increase as it moves from the first side (130a') toward the second side (130b'). For example, the spacing between the peaks (P1, P2, P3, P4, P5) may decrease as it moves from the first side (130a') toward the second side (130b'). The angle of each peak (P1, P2, P3, P4, P5) may decrease as it moves from the first side (130a') toward the second side (130b').

[0104] For example, each peak (P1, P2, P3, P4, P5) may include a first surface (P11') positioned approximately perpendicular to the rear surface of the glass (120') and a second surface (P12') inclined upward in the direction of the first side (130a'). As described above, the pattern layer (130') can obtain various 3D optical illusion effects by varying the height, spacing, inclination, and / or angle of each of the plurality of protruding patterns (200').

[0105] FIG. 14 is a block diagram showing the configuration of a manufacturing apparatus (2000) according to one embodiment of the present disclosure.

[0106] Referring to FIG. 14, the manufacturing device (2000) includes a communication unit (2100), a memory (2200), a processor (2300), and various manufacturing modules (2400). In FIG. 12, it is illustrated and described as if a single manufacturing device (2000) includes the communication unit (2100), the memory (2200), the processor (2300), and various manufacturing modules (2400), but it is not necessarily limited thereto, and at least some of the components may be implemented as separate independent devices and may be connected via wired or wireless communication.

[0107] For example, the communication unit (2100), memory (2200), and processor (2300) may be implemented in a form that is included in a single terminal device, and the remaining manufacturing modules (2400) may be implemented as separate devices, or may be implemented as a system in which at least two or more manufacturing devices are integrated. The terminal device may be implemented as a PC or a laptop PC, but is not limited thereto, and may be implemented in the form of a mobile phone, tablet PC, kiosk, etc. Alternatively, it may be implemented in the form of a control device integrated with at least one manufacturing device.

[0108] The communication unit (2100) is configured to perform communication with various types of external devices. When 3D data for a plurality of protrusion patterns is generated by an external device, the communication unit (2100) can receive 3D data from the external device. The communication unit (2100) includes at least one communication circuit. For example, the communication unit (2100) can support the transmission and / or reception of electrical signals based on various types of protocols such as Ethernet, LAN (local area network), WAN (wide area network), WiFi (wireless fidelity), Bluetooth, BLE (bluetooth low energy), ZigBee, NFC (Near Field Communication), ANT+, Cellular (LTE, 5G, 6G, NB-IoT), RFID, UWB (ultra wide band), GNSS (global navigation satellite system), or RF communication. When the various manufacturing devices (2410 to 2460) and the terminal device are implemented as separate devices, the terminal device can communicate with each manufacturing device through the communication unit (2100) to control the manufacturing method described above.

[0109] The memory (2200) may include one or more storage media (or one or more storage devices). For example, the memory (2200) may include a memory assembly comprising one or more storage media. The memory (2200) may include a hard drive, a permanent memory such as flash memory, ROM (read-only memory) (e.g., non-volatile memory (122)), a semi-permanent memory such as RAM (random access memory) (e.g., volatile memory (121)), any other suitable type of storage (or storage assembly), or any combination thereof.

[0110] The memory (2200) may include a cache memory, which is one or more different types of memory used to temporarily store data for a function or feature of the manufacturing device (2000).

[0111] The memory (2200) may store one or more software applications, such as an operating system (or system), applications, firmware, driver software, plugin (e.g., add-in, add-on, and / or applet) software applications, and / or any other suitable software applications. One or more of these software applications may include instructions executable by the processor (2300). For example, the memory (2200) may store instructions that can be called by an application programming interface (API). For example, the memory (2200) may store instructions within a library. The memory (2200) may store the aforementioned 3D data or grayscale data for producing a plurality of protrusion patterns (200, 200') of an optical member (131, 131') from an external device via the communication unit (2100). Additionally, the memory (2200) can also store information regarding the manufacturing sequence of the pattern glass or electronic device (100, 100') and the control code for each manufacturing device corresponding to the manufacturing sequence.

[0112] The processor (2300) may be implemented as one or more IC (integrated circuit (or circuitry)) chips and may perform various data processing operations. The processor (2300) may include at least one electrical circuit and may process instructions (or programs, data, etc.) stored in memory (2200) individually or collectively in a distributed manner. The processor (2300) may include a processor assembly comprising one or more processing circuits.

[0113] The processor (2300) may be implemented as a system on chip (SoC) (e.g., one chip or chipset), multiple cores (or at least one core circuit), multiple chips, or multiple chipsets. For example, the processor (2300) may include a central processing unit (CPU), a graphics processing unit (GPU), a neural processing unit (NPU), an image signal processor (ISP), a display controller, a memory controller, a storage controller, a communication processor (CP), and / or a sensor interface. These components and types of the processor (2300) are exemplary and may be implemented in various other forms.

[0114] The processor (2300) can control other components of the manufacturing device (2000) to perform various operations by executing instructions stored in memory (2200).

[0115] The manufacturing module (2400) may include manufacturing modules of a transfer means (2410), a jig (2420), an exposure device (2430), a cutter (2440), a compression roller (2450), a processing tool (2460), and a deposition device (not shown). The types of manufacturing modules are not limited thereto, and various modules may be added or omitted, and some modules may be replaced with other types of modules.

[0116] The transfer means (2410) is a means for moving various materials such as UV resin, reflective material, shielding material, etc., along with glass (120), housing (140), and other parts. The transfer means (2410) may be implemented as a conveyor belt or as a transfer robot. The jig (2420) is a means for fixing various parts. For example, in order to combine the pattern glass and housing described above, the pattern layer (130) must be placed on the outer edge of the display (112) mounted inside the housing (140). Therefore, the pattern glass and housing can be aligned to an accurate position while fixed using the jig (2420), and then the jig can be moved to combine them.

[0117] The exposure device (2430) is a device including a light source for irradiating UV light, and the cutter is a device for cutting a portion of the slave sheet, etc. The compression roller is a device for compressing the slave sheet after placing it on glass coated with UV resin, and the processing tool (2460) can be a micro-processing tool for processing the master mold described above.

[0118] The processor (2300) can manufacture pattern glass or electronic devices (100, 100') by controlling at least one of the manufacturing modules (2400) described above for each process described in FIGS. 8 to 12.

[0119] Meanwhile, as described above, the shape of the plurality of protruding patterns (200, 200') may vary depending on the design to be implemented. For example, patterns that are visible as concave or convex not only at the edges of the electronic device (100, 100') but also at the center of the electronic device (100, 100') may be added.

[0120] According to one embodiment, if the manufacturing device (2000) is equipped with an input means (e.g., keyboard, mouse) or can input data through an external device, the manufacturer can input information about the design they wish to implement to the manufacturing device (2000). The processor (2300) can automatically determine the shape of an extrusion pattern corresponding to the input design, generate 3D data corresponding to the shape, and then manufacture it in the manner described above.

[0121] If an artificial intelligence model trained to determine a corresponding protrusion pattern for each design is stored in memory (2200) or is stored in an external server connected via a communication unit (2100), the processor (2300) may input information about the design requested by the creator into the artificial intelligence model to obtain 3D data.

[0122] In the above description, the case was described based on the case where glass (120, 120') is placed on the surface where the display (112) is placed on the exterior of the electronic device (100, 100'), but the pattern glass described above can be placed and used on various surfaces.

[0123] FIG. 15 is a drawing showing a circular pattern glass (1300) according to one embodiment of the present disclosure. FIG. 16 is a drawing showing electronic devices to which the pattern glass shown in FIG. 15 is applied.

[0124] Referring to FIG. 15, the pattern glass (1300) may include a plurality of concentric protrusion patterns (1310, 1320, 1330, 1340, 1350, 1360) arranged continuously with respect to a center point (C). Each concentric protrusion pattern (1310, 1320, 1330, 1340, 1350, 1360) may be a pattern protruding from the surface of the glass (1200). The height of the peak of each concentric protrusion pattern (1310, 1320, 1330, 1340, 1350, 1360) or the spacing between each concentric protrusion pattern (1310, 1320, 1330, 1340, 1350, 1360) can be set differently between the center point (C) of the glass (1200) and the perimeter of the glass (1200).

[0125] According to one embodiment, a reflective layer (see 132 in FIG. 4) and a shielding layer (see 133 in FIG. 4) may be additionally formed on each concentric protrusion pattern (1310, 1320, 1330, 1340, 1350, 1360).

[0126] According to one embodiment, the pattern glass (1300) can form a through hole (1300a) by removing a central portion including a center point (C). Accordingly, the user can see a 3D optical illusion effect in the area covered by the pattern glass (1300).

[0127] Referring to FIG. 16, the electronic device (1000) may have a plurality of cameras (1310, 1320, 1330) placed on a second surface opposite to the first surface where a display (see 112 in FIG. 4) is placed. The lenses of each camera (1310, 1320, 1330) may each be covered by a pattern glass (1300) made in a roughly circular shape.

[0128] For example, a pattern glass (1300) covering a lens may be referred to as a camera glass, and a pattern layer within the camera glass may be referred to as a lens pattern layer. The camera glass (1300) may cover each of the plurality of cameras (1310, 1320, 1330), or it may cover only some of the plurality of cameras (1310, 1320, 1330). When the camera glass (1300) is applied to the lenses of the plurality of cameras (1310, 1320, 1330), a light flare may occur in the photograph because some of the light is reflected from the inside and enters the lens. When the above-described camera glass is used, the flare phenomenon, in which light flare appears in the photograph because some of the light is reflected from the inside of the camera and enters the lens, can be prevented, and a three-dimensional expression can be realized.

[0129] According to one embodiment, a second surface of the electronic device (1300) may also be covered by glass. The glass covering the second surface of the electronic device (1300) may be referred to as a rear glass (1400). For example, a rear pattern layer similar in shape to the pattern layer (130) described above may be formed on the rear glass (1400). When the rear pattern layer is applied to a portion of the rear glass (1400), a portion of the rear glass (1400) may provide a 3D optical illusion effect that appears convex or concave.

[0130] For example, if a display is not placed on the second side of the electronic device (1000), the rear pattern layer does not need to be limited to the outer edge of the rear glass, and the rear pattern layer may be formed up to the center of the rear glass. In this case, the rear design of the electronic device (1000) can be varied in many ways.

[0131] In the above description, an example in which a pattern layer according to one embodiment is applied to an electronic device (100, 100', 1000) in the form of a mobile phone has been described, but it is not limited thereto.

[0132] FIGS. 17 and 18 are drawings showing electronic devices to which pattern glass is applied according to one embodiment of the present disclosure.

[0133] FIG. 17 shows a watch-shaped electronic device (1500). In this case, the main body of the electronic device (1500) can be made in a square or circular shape, and the display and the glass covering the display can also be made in a shape corresponding to the shape of the main body.

[0134] For example, a circular pattern glass (1510) may be applied to a watch-shaped electronic device (1500). In this case, a pattern layer may be placed on the outer edge of the display, and a 3D illusion effect may be displayed in the circular edge area of ​​the main body.

[0135] FIG. 18 illustrates the configuration of a foldable device in which a first housing (1601) and a second housing (1602), connected to each other by a hinge (not shown) and a hinge, are folded together. A first pattern glass (1610) and a second pattern glass (1620) may be disposed separately for the first housing (1601) and the second housing (1602). For example, if the first housing (1601) and the second housing (1602) are implemented to form a single screen when unfolded, the pattern layer may be omitted at the edge portions adjacent to each other in the first and second pattern glasses (1610, 1620). For example, if a display is disposed in the first housing (1601) and the second housing (1602) respectively to display two different screens, the pattern layer may also be formed in the area between the first and second pattern glasses (1610, 1620).

[0136] As described above, according to various embodiments of the present disclosure, various 3D optical illusion effects can be provided by forming a pattern layer on glass covering an electronic device. Accordingly, various product designs can be realized without changing the actual structure.

[0137] An electronic device according to one embodiment of the present disclosure may include a housing, a display disposed in the housing, a pattern layer disposed to surround the outer edge of the display and provide a three-dimensional (three-dimensional) optical illusion effect, and a glass covering the pattern layer and the display.

[0138] According to one embodiment, the pattern layer may include a plurality of protruding patterns configured to have different heights and spacings between a first side of the pattern layer adjacent to the outer edge of the display and a second side of the pattern layer opposite to the first side of the pattern layer.

[0139] According to one embodiment, the pattern layer may include an optical member having a front surface in contact with the rear surface of the glass and having a plurality of protruding patterns provided on the rear surface, a reflective layer covering a plurality of protruding patterns of the optical member so that light incident on the optical member is reflected by the plurality of protruding patterns, and a shielding layer covering the rear surface of the reflective layer.

[0140] According to one embodiment, the height of each of the plurality of protruding patterns may increase from the first side of the pattern layer to the second side of the pattern layer.

[0141] According to one embodiment, the spacing between two consecutive protruding patterns among the plurality of protruding patterns may become narrower as it goes from the first side of the pattern layer to the second side of the pattern layer.

[0142] According to one embodiment, each peak of the plurality of protruding patterns may include a first surface perpendicular to the surface of the glass and a second surface inclined downward in the direction of the second side of the pattern layer.

[0143] According to one embodiment, the angle between the first surface of the peak and the second surface of the peak may become narrower as it goes from the first side of the pattern layer to the second side of the pattern layer.

[0144] According to one embodiment, the second surface of the peak may include a curved surface.

[0145] According to one embodiment, the vertical cross-section of each of the plurality of protruding patterns may include a triangular shape.

[0146] According to one embodiment, the gap between the first side of the pattern layer and the second side of the pattern layer may be 0.5 mm to 2 mm.

[0147] According to one embodiment, the spacing between the plurality of protruding patterns may be 0.01 mm to 0.025 mm.

[0148] According to one embodiment, the protrusion height of each of the plurality of protrusion patterns may be 0.01 mm to 0.025 mm.

[0149] According to one embodiment, the angle of each peak of the plurality of protruding patterns may be 40° to 50°.

[0150] According to one embodiment, the pattern layer may be arranged to surround the entire outer edge of the display.

[0151] According to one embodiment, the pattern layer may include at least one curved region corresponding to a corner portion of the glass and at least one straight region corresponding to a straight portion of the glass.

[0152] According to one embodiment, the at least one straight area and the at least one curved area are connected to each other, and the width of the at least one straight area and the width of the at least one curved area can be configured to be equal to each other.

[0153] According to one embodiment, the pattern layer may include a black barrier disposed between the pattern layer and the display.

[0154] According to one embodiment, the electronic device may include a camera disposed on a second surface of the housing opposite to a first surface of the housing on which the display is disposed, and a camera glass covering the lens of the camera.

[0155] According to one embodiment, the camera glass may include a lens pattern layer positioned to surround the outer edge of the lens of the camera and providing a 3D optical illusion effect that makes the lens appear convex or concave.

[0156] According to one embodiment, the electronic device may include a rear glass that covers a second surface of the housing opposite to the first surface of the housing on which the display is placed.

[0157] According to one embodiment, the rear glass may include a rear pattern layer that provides a 3D optical illusion effect, making the outer edge of the housing appear convex or concave.

[0158] A method for manufacturing an electronic device according to one embodiment of the present disclosure may include the steps of manufacturing a pattern glass having a pattern layer formed thereon that includes a plurality of protruding patterns providing a 3D illusion effect, and stacking the pattern glass with respect to a housing that accommodates a display such that the pattern layer is positioned to surround the outer edge of the display. In this case, the pattern layer may include an optical member having a front surface in contact with the rear surface of the glass and having the plurality of protruding patterns provided on the rear surface, a reflective layer covering the plurality of protruding patterns of the optical member so that light incident on the optical member is reflected by the plurality of protruding patterns, and a shielding layer covering the rear surface of the reflective layer.

[0159] According to one embodiment, the step of manufacturing the pattern glass may include: manufacturing a master mold corresponding to the plurality of protruding patterns; manufacturing a slave sheet for UV patterns using the master mold; attaching a release film to a first area corresponding to the display among the entire area of ​​the rear surface of the glass; applying UV resin to a second area adjacent to the first area among the entire area of ​​the rear surface of the glass; compressing the UV resin applied to the second area with the slave sheet for UV patterns to form the plurality of protruding patterns; curing the plurality of protruding patterns by irradiating UV exposure light onto the plurality of protruding patterns; forming a reflective layer by applying a reflective material onto the plurality of protruding patterns; forming a shielding layer by applying a shielding material onto the reflective layer; and removing the release film.

[0160] Meanwhile, among the various embodiments described above, the manufacturing method may be implemented by a manufacturing device equipped with a non-transient computer-readable medium that can be read by a computer or a similar device using software, hardware, or a combination thereof.

[0161] A non-transient computer-readable medium refers to a medium that stores data semi-permanently and can be read by a device, unlike media that store data for a short period of time such as registers, caches, and memory. Specific examples of non-transient computer-readable media include CDs, DVDs, hard disks, Blu-ray discs, USBs, memory cards, and ROMs.

[0162] Although preferred embodiments of the present disclosure have been illustrated and described above, the present disclosure is not limited to the specific embodiments described above. It is understood that various modifications can be made by those skilled in the art without departing from the essence of the present disclosure as claimed in the claims, and such modifications should not be understood individually from the technical spirit or perspective of the present disclosure.

Claims

1. In an electronic device, Housing; A display placed in the above housing; A pattern layer arranged to surround the outer edge of the above display and providing a 3D (three-dimensional) optical illusion effect; and Glass covering the pattern layer and the display; The above pattern layer is, An electronic device comprising a plurality of protruding patterns configured to have different heights and spacings between a first side of the pattern layer adjacent to the outer edge of the display and a second side of the pattern layer opposite to the first side of the pattern layer.

2. In Paragraph 1, The above pattern layer is, An optical member having a front surface in contact with the rear surface of the above glass and a plurality of protruding patterns provided on the rear surface; A reflective layer covering a plurality of protruding patterns of the optical member so that light incident on the optical member is reflected by the plurality of protruding patterns; and An electronic device comprising a shielding layer covering the rear surface of the above-mentioned reflective layer.

3. In Paragraph 2, The height of each of the above plurality of protruding patterns is, An electronic device that increases from the first side of the pattern layer to the second side of the pattern layer.

4. In Paragraph 3, The spacing between two consecutive protruding patterns among the plurality of protruding patterns above is, An electronic device that narrows from the first side of the pattern layer to the second side of the pattern layer.

5. In Paragraph 4, Each peak of the plurality of protruding patterns above is, An electronic device comprising a first surface perpendicular to the surface of the glass and a second surface inclined downward in the direction of the second side of the pattern layer.

6. In Paragraph 5, An electronic device in which the angle between the first surface of the peak and the second surface of the peak narrows as it goes from the first side of the pattern layer to the second side of the pattern layer.

7. In Paragraph 5, An electronic device in which the second surface of the above peak includes a curved surface.

8. In Paragraph 5, An electronic device in which the vertical cross-section of each of the above plurality of protruding patterns includes a triangular shape.

9. In Paragraph 1, The above pattern layer is, An electronic device positioned to surround the entire outer perimeter of the above display.

10. In Paragraph 1, The above pattern layer is, At least one curved region corresponding to the corner portion of the glass; and An electronic device comprising at least one straight region corresponding to a straight portion of the glass.

11. In Paragraph 1, The above pattern layer is, An electronic device further comprising a black barrier disposed between the pattern layer and the display.

12. In Paragraph 1, A camera disposed on the second surface of the housing opposite to the first surface of the housing on which the display is disposed; and It further includes a camera glass that covers the lens of the above camera, and The above camera glass is, An electronic device comprising a lens pattern layer arranged to surround the outer edge of the lens of the camera and providing a 3D optical illusion effect that makes the lens appear convex or concave.

13. In Paragraph 1, It further includes a rear glass covering a second surface of the housing opposite to the first surface of the housing on which the display is placed; The above rear glass is, An electronic device comprising a rear pattern layer that provides a 3D optical illusion effect making the outer edge of the housing appear convex or concave.

14. In a method for manufacturing an electronic device, A step of manufacturing pattern glass having a pattern layer formed thereon including a plurality of protruding patterns that provide a 3D optical illusion effect; and With respect to a housing accommodating a display, the method includes the step of laminating the pattern glass such that the pattern layer is positioned to surround the outer edge of the display. The above pattern layer is, An optical member having a front surface in contact with the rear surface of the above glass and a plurality of protruding patterns provided on the rear surface; A reflective layer covering a plurality of protruding patterns of the optical member so that light incident on the optical member is reflected by the plurality of protruding patterns; and A manufacturing method comprising a shielding layer covering the rear surface of the above-mentioned reflective layer.

15. In Paragraph 14, The step of manufacturing the above-mentioned patterned glass is, A step of manufacturing a master mold corresponding to the plurality of protruding patterns above; Step of producing a slave sheet for a UV pattern using the above master mold: A step of attaching a release film to a first area corresponding to the display among the entire area of ​​the rear surface of the glass; A step of applying UV resin to a second area adjacent to the first area among the entire rear surface area of ​​the glass; A step of forming the plurality of protruding patterns by compressing the UV resin applied to the second region with the slave sheet for the UV pattern; A step of curing the plurality of protruding patterns by irradiating the plurality of protruding patterns with UV light; A step of forming the reflective layer by applying a reflective material onto the plurality of protruding patterns; A step of forming a shielding layer by applying a shielding material onto the reflective layer; and A manufacturing method comprising the step of removing the above-mentioned release film.

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