ornaments

The decorative article enhances three-dimensionality and interest through a lighting unit with light-emitting elements and light guide members, achieving even illumination and improved aesthetic appeal.

JP2026123395APending Publication Date: 2026-07-30BANDAI CO LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
BANDAI CO LTD
Filing Date
2025-01-17
Publication Date
2026-07-30

AI Technical Summary

Technical Problem

Existing decorative articles lack three-dimensionality and interest due to insufficient lighting effects.

Method used

A decorative article featuring a three-dimensional structure illuminated by a lighting unit with light-emitting elements and light guide members along the periphery of the surface, including curved surfaces and irregularities to enhance light diffusion and visibility.

Benefits of technology

The decorative article achieves high aesthetic appeal by providing even illumination and emphasizing the three-dimensional structure, making it more visually engaging.

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Abstract

We provide decorative items that are highly interesting. [Solution] A decorative object comprising a background portion including a first surface portion, a three-dimensional structure provided on the first surface portion, and a lighting unit capable of illuminating the three-dimensional structure, wherein the lighting unit comprises a plurality of light-emitting elements and a light-guiding member provided along the periphery of the first surface portion in front of the first surface portion, which guides the light from the light-emitting elements to the three-dimensional structure.
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Description

Technical Field

[0001] The present invention relates to a decorative article.

Background Art

[0002] Patent Document 1 discloses a configuration in which a plate body of an equivalent substance such as a transparent or translucent plastic plate or a glass plate is used as a canvas, and a desired picture is drawn and formed on this canvas using plastic powder or fragments or a mixture thereof as paint with a solvent or an adhesive, and a lighting device is provided on the back of the picture.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In Patent Document 1, the picture is made prominent by the lighting device provided behind the picture. However, there is a problem that it lacks three-dimensionality and is lacking in interest as a decorative article

[0005] An object of the present invention is to provide a decorative article with high interest.

Means for Solving the Problems

[0006] (1) A background part including a first surface part, A three-dimensional structure provided on the first surface part, A lighting part capable of illuminating the three-dimensional structure, comprising: The lighting part has a plurality of light-emitting elements and a light guide member provided along the periphery of the first surface part on the front side of the first surface part, for guiding the light of the light-emitting elements to the three-dimensional structure, a decorative article.

[0007] (2) (1) The ornaments described above, The light guide member includes a curved surface that is convex in the direction along the first surface as a light-emitting surface.

[0008] (3) (2) The ornaments described above, The light guide member is a decorative object that includes a plurality of the curved surfaces.

[0009] (4) (3) The ornaments described above, The curved surface is provided in correspondence with each of the plurality of light-emitting elements. A decorative object from which the light emitted by the light-emitting element is emitted from the curved surface corresponding to the light-emitting element.

[0010] (5) (3) or (4) the ornaments described above, The periphery of the first surface portion includes a pair of opposing first edges and a pair of opposing second edges, The light guide member is a decorative element provided along at least one of the first edge and the second edge.

[0011] (6) (5) The ornaments described above, The light guide member includes a first light guide member and a second light guide member provided along the pair of first edges, An ornament in which the number of curved surfaces included in the first light guide member is the same as the number of curved surfaces included in the second light guide member.

[0012] (7) (5) or (6) the ornaments described above, The light guide member includes a third light guide member and a fourth light guide member provided along the pair of second edges, An ornament in which the number of curved surfaces included in the third light guide member is the same as the number of curved surfaces included in the fourth light guide member.

[0013] (8) The ornament according to any one of (2) to (7), wherein the curved surface has irregularities on its surface, the ornament.

[0014] (9) The ornament according to any one of (1) to (8), wherein the background portion has an inner frame portion surrounding the first surface portion, further comprising an outer frame portion having a region facing the inner frame portion and covering the outer periphery of the background portion, the light guide member is provided between the inner frame portion and the region of the outer frame portion, the ornament.

[0015] (10) The ornament according to (9), wherein the light guide member is provided at a position closer to the region of the outer frame portion than the first surface portion, the ornament.

[0016] (11) The ornament according to (9) or (10), wherein the surface of the inner frame portion on the region side includes an inclined surface inclined toward the first surface portion, the ornament.

[0017] (12) The ornament according to any one of (1) to (11), wherein in a side view, the three-dimensional structure has a portion protruding forward of the light guide member, the ornament. [Effect of the Invention]

[0018] According to the present invention, an ornament with high interest can be provided. [Brief Description of the Drawings]

[0019] [Figure 1] FIG. 1 is a perspective view of the ornament 1 placed on a flat mounting surface 90 as viewed from the front side. [Figure 2] FIG. 2 is a side view of the ornament 1. [Figure 3] FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1. [Figure 4] Figure 4 is an exploded perspective view of ornament 1. [Figure 5] Figure 5 is an exploded perspective view of the inner frame portion 12. [Figure 6] Figure 6 is an exploded perspective view illustrating the configuration of the left frame section 12C, the upper frame section 12A, and the corresponding lighting section 30. [Figure 7] Figure 7 is a front view of the parts other than the light guide members 30A and 30C shown in Figure 6, as seen from the front. [Figure 8] Figure 8 is a rear-view perspective of the light guide members 30A and 30C shown in Figure 6. [Figure 9] Figure 9 is a schematic cross-sectional view of the left frame section 12C shown in Figure 5. [Figure 10] Figure 10 is a schematic cross-sectional view showing a first modified example of the light guide member 30A. [Figure 11] Figure 11 is a schematic diagram showing a second modified example of the light guide member 30A. [Modes for carrying out the invention]

[0020] Hereinafter, an embodiment of the decorative object 1 representing one aspect of the present invention will be described with reference to the drawings. Figure 1 is a perspective view from the front of the decorative object 1 placed on a flat mounting surface 90. In the mounting state shown in Figure 1, the direction perpendicular to the mounting surface 90 is described as the up and down direction, and the two mutually orthogonal directions parallel to the mounting surface 90 are described as the front-to-back direction and the left-to-right direction. Figure 2 is a side view of the decorative object 1. Figure 3 is a schematic cross-sectional view of line AA in Figure 1. In Figure 3, the three-dimensional structure 20 is not shown. Figure 4 is an exploded perspective view of the decorative object 1.

[0021] As shown in Figure 1, the ornament 1 comprises a background portion 10 including a flat first surface portion 11 having thickness in the front-to-back direction, a three-dimensional structure 20 provided on the first surface portion 11, a lighting unit 30 (see Figures 3 and 4) capable of illuminating the three-dimensional structure 20, and an outer frame portion 40 covering the background portion 10 and the lighting unit 30. The three-dimensional structure 20 is, for example, modeled after a warrior character, and as shown in Figure 2, in a side view of the ornament 1 taken from the side, it is provided so as to protrude forward from the background portion 10 and the outer frame portion 40.

[0022] As shown in Figure 4, the background portion 10 includes a first surface portion 11 and a rectangular frame-shaped inner frame portion 12 that surrounds the first surface portion 11 and is provided on the front side of the first surface portion 11. The three-dimensional structure 20 is provided in the area inside the inner frame portion 12 of the first surface portion 11.

[0023] The periphery of the first surface portion 11 includes an upper edge portion 11A and a lower edge portion 11B that are opposite each other in the vertical direction, and a left edge portion 11C and a right edge portion 11D that are opposite each other in the horizontal direction. Of the upper edge portion 11A and the lower edge portion 11B and the left edge portion 11C and the right edge portion 11D, one constitutes the first edge portion and the other constitutes the second edge portion.

[0024] The inner frame portion 12 includes an upper frame portion 12A that extends along the upper edge portion 11A and covers the upper edge portion 11A, a lower frame portion 12B that extends along the lower edge portion 11B and covers the lower edge portion 11B, a left frame portion 12C that extends along the left edge portion 11C and covers the left edge portion 11C, and a right frame portion 12D that extends along the right edge portion 11D and covers the right edge portion 11D.

[0025] The lighting section 30 is provided in accordance with the upper frame section 12A, the lower frame section 12B, the left frame section 12C, and the right frame section 12D, respectively.

[0026] As shown in Figures 3 and 4, the outer frame portion 40 comprises a flat back portion 42 that covers the back side of the background portion 10, and a rectangular front frame portion 41 connected to the front side of the back portion 42. The background portion 10 and the lighting portion 30 are provided between the back portion 42 and the front frame portion 41. The front frame portion 41 partially overlaps the inner frame portion 12 when viewed in the front-to-back direction, and the area facing the inner frame portion 12 is shown as area 41A in Figure 3. The four lighting portions 30 shown in Figure 4 are provided between area 41A and the inner frame portion 12.

[0027] As shown in Figure 2, a hinge portion 46 is provided on the back portion 42, and a plate-shaped support portion 45 is pivotally supported on the hinge portion 46. By bringing the outer frame portion 40 and the lower part of the support portion 45 into contact with the mounting surface 90, the decorative object 1 can be stably placed. A hole for wall mounting may be provided on the upper part of the back portion 42. This allows the decorative object 1 to be viewed both when placed on the mounting surface 90 and when hung on the wall.

[0028] Figure 5 is an exploded perspective view of the inner frame 12. As shown in Figure 5, the inner frame 12 is provided with an upper frame 12A, a lower frame 12B, a left frame 12C, and a right frame 12D, which are combined to form a rectangular frame. Note that the upper frame 12A, lower frame 12B, left frame 12C, and right frame 12D may be integrated into a single unit.

[0029] The front surface 120A of the upper frame portion 12A is an inclined surface that slopes toward the first surface portion 11. The front surface 120B of the lower frame portion 12B is an inclined surface that slopes toward the first surface portion 11. The front surface 120C of the left frame portion 12C is an inclined surface that slopes toward the first surface portion 11. The front surface 120D of the right frame portion 12D is an inclined surface that slopes toward the first surface portion 11.

[0030] In the outer peripheral region of the inner frame portion 12 on surface 120A, a light guide member 30A constituting the illumination portion 30 is provided along the upper edge portion 11A of the first surface portion 11. In the outer peripheral region of the inner frame portion 12 on surface 120B, a light guide member 30B constituting the illumination portion 30 is provided along the lower edge portion 11B of the first surface portion 11. In the outer peripheral region of the inner frame portion 12 on surface 120C, a light guide member 30C constituting the illumination portion 30 is provided along the left edge portion 11C of the first surface portion 11. In the outer peripheral region of the inner frame portion 12 on surface 120D, a light guide member 30D constituting the illumination portion 30 is provided along the right edge portion 11D of the first surface portion 11. Of the light guide members 30A and 30B, one constitutes the first light guide member, and the other constitutes the second light guide member. Of the light guide members 30C and 30D, one constitutes a third light guide member, and the other constitutes a fourth light guide member.

[0031] Figure 6 is an exploded perspective view illustrating the configuration of the left frame portion 12C and the upper frame portion 12A and the corresponding lighting unit 30. Figure 7 is a front view of the parts other than the light guide members 30A and 30C shown in Figure 6, viewed from the front. Figure 8 is a rear perspective view of the light guide members 30A and 30C shown in Figure 6.

[0032] As shown in Figures 6 and 7, the left frame portion 12C is provided with a recess 121C that is recessed in the rearward direction at the left end of the surface 120C. The recess 121C has a shape that is convex to the right when viewed from the front. Five recesses 121C are arranged vertically on the left frame portion 12C, and these five recesses 121C are connected on the left side.

[0033] As shown in Figure 6, the illumination unit 30, provided in correspondence with the left frame portion 12C, comprises a light guide member 30C housed in a recess 121C and a light-emitting element 31 made of a light-emitting diode or the like. In this embodiment, multiple light-emitting elements 31 (five in the example shown) are provided. The five light-emitting elements 31 are arranged to the left of each of the five recesses 121C in the left frame portion 12C.

[0034] The light guide member 30C is made of a transparent material that allows light to pass through easily. In the example shown in Figure 6, the light guide member 30C comprises an upper surface portion 32 perpendicular to the front-to-back direction and a side surface portion extending to the rear from the right end of the upper surface portion 32. The side surface portion of the light guide member 30C includes a curved surface 33 that is convex to the right, which is the direction along the first surface portion 11, and a flat surface 34 perpendicular to the left-to-right direction. The curved surfaces 33 are spaced apart in the vertical direction, and adjacent curved surfaces 33 are connected to each other by the flat surface 34.

[0035] As shown in Figure 5, when the light guide member 30C is housed in the recess 121C, the curved surface 33 of the light guide member 30C is located in front of the surface 120C. Figure 9 is a schematic cross-sectional view of the left frame portion 12C shown in Figure 5. The light-emitting elements 31 are arranged opposite each other on the curved surface 33, and the light emitted from each light-emitting element 31 enters the curved surface 33, where it is diffused and emitted. The light emitted from the curved surface 33 illuminates the three-dimensional structure 20 from the left side. It is preferable that the curved surface 33 has irregularities on its surface to enhance the light diffusion effect. For example, it is preferable that the surface of the curved surface 33 be frosted glass-like or textured.

[0036] As shown in Figures 6 and 7, the upper frame portion 12A is provided with a recess 121A that is recessed in the rearward direction at the upper end of the surface 120A. The recess 121A has a shape that is convex downward when viewed from the front. Three recesses 121A are provided in a row in the left-right direction on the upper frame portion 12A, and these three recesses 121A are connected at the top.

[0037] As shown in Figure 6, the lighting unit 30, provided in correspondence with the upper frame portion 12A, comprises a light guide member 30A housed in a recess 121A and a light-emitting element 35 composed of a light-emitting diode or the like. In this embodiment, multiple light-emitting elements 35 (three in the example shown) are provided. The three light-emitting elements 35 are arranged above each of the three recesses 121A in the upper frame portion 12A.

[0038] The light guide member 30A is made of a transparent material that allows light to pass through easily. In the example shown in Figure 6, the light guide member 30A comprises an upper surface portion 36 perpendicular to the front-to-back direction and a side surface portion extending to the rear from the lower end of the upper surface portion 36. The side surface portion of the light guide member 30A includes a curved surface 37 that is convex downward in the direction along the first surface portion 11 and a flat surface 38 perpendicular to the up-to-down direction. The curved surfaces 37 are spaced apart in the left-to-right direction, and adjacent curved surfaces 37 are connected to each other by the flat surface 38.

[0039] As shown in Figure 5, when the light guide member 30A is housed in the recess 121A, the curved surface 37 of the light guide member 30A is located in front of the surface 120A. In this state, the light-emitting elements 35 are arranged facing each other on the curved surface 37, and the light emitted from each light-emitting element 35 enters the curved surface 37, is diffused there, and then exits the curved surface 37. The light emitted from the curved surface 37 illuminates the three-dimensional structure 20 from above. It is preferable that the curved surface 37 has irregularities on its surface to enhance the light diffusion effect. For example, it is preferable that the surface of the curved surface 37 be frosted glass-like or textured.

[0040] Note that the configuration of the right frame section 12D and its corresponding lighting section 30 is equivalent to the left frame section 12C and its corresponding lighting section 30 with the left side reversed, so the explanation is omitted. Also, the configuration of the lower frame section 12B and its corresponding lighting section 30 is equivalent to the upper frame section 12A and its corresponding lighting section 30 with the right side reversed, so the explanation is omitted.

[0041] With the decorative fixture 1 configured as described above, the three-dimensional structure 20 is illuminated by the lighting unit 30 from above, below, left, and right. For example, compared to illuminating the three-dimensional structure 20 from the back, the sides of the three-dimensional structure 20 can be illuminated, making the three-dimensional structure 20 brighter. In addition, the three-dimensional effect of the three-dimensional structure 20 can be emphasized.

[0042] Furthermore, in the decorative fixture 1, the light guide members 30A, 30B, 30C, and 30D each diffuse light from the light-emitting elements through their curved surfaces. As a result, even if the light-emitting elements emit light in a point-like manner, the point-like light becomes less conspicuous, improving the appearance of the decorative fixture 1 when illuminated. In addition, by providing a curved surface for each light-emitting element, the three-dimensional structure 20 as a whole can be brightly illuminated even if the brightness of each individual light-emitting element is suppressed.

[0043] Furthermore, in the ornament 1, the light guide members 30A, 30B, 30C, and 30D are each positioned closer to the area 41A of the outer frame 40 than to the first surface 11. With this configuration, when the ornament 1 is observed from the front, the light guide members 30A, 30B, 30C, and 30D can be made less visible to the observer. As a result, the aesthetic appeal of the ornament 1 can be enhanced.

[0044] Furthermore, in the decorative fixture 1, the front surface of the inner frame portion 12 is an inclined surface. Since the curved surfaces of the light guide members 30A, 30B, 30C, and 30D are arranged adjacent to this inclined surface, it is possible to guide the light emitted from these curved surfaces towards the first surface portion 11 by this inclined surface. This allows the background of the three-dimensional structure 20 to be illuminated, thereby enhancing its aesthetic appeal.

[0045] Furthermore, in the decorative fixture 1, the number of curved surfaces contained in each of the two lighting units 30 provided above and below is the same. Therefore, the three-dimensional structure 20 can be illuminated from above and below under the same conditions. Similarly, in the decorative fixture 1, the number of curved surfaces contained in each of the two lighting units 30 provided on the left and right is the same. Therefore, the three-dimensional structure 20 can be illuminated from the left and right under the same conditions. As a result, the aesthetic appeal of the decorative fixture 1 can be enhanced.

[0046] Figure 10 is a schematic cross-sectional view showing a first modified example of the light guide member 30A. The light guide member 30A shown in Figure 10 is the same as the previously described configuration in that it has curved surfaces 37 corresponding to each of the three light-emitting elements 35, but the position of the curved surfaces 37 is different. In the light guide member 30A shown in Figure 6, the part corresponding to each light-emitting element 35 is convex lens shaped, whereas in the light guide member 30A shown in Figure 10, the part corresponding to each light-emitting element 35 is concave lens shaped. The configuration shown in Figure 10 can also be applied to the light guide members 30B, 30C, and 30D. Even with the configuration shown in Figure 10, it is possible to illuminate the three-dimensional structure 20 from the side to enhance its aesthetic appeal. However, comparing the configuration shown in Figure 6 and the configuration shown in Figure 10, the configuration shown in Figure 6 is easier to mold and can reduce manufacturing costs.

[0047] Figure 11 is a schematic diagram showing a second modified example of the light guide member 30A. The light guide member 30A shown in Figure 11 has a configuration in which one curved surface serves as the light-emitting surface for each of the three light-emitting elements 35. The configuration shown in Figure 11 can also be applied to the light guide members 30B, 30C, and 30D. Even with the configuration shown in Figure 11, the three-dimensional structure 20 can be illuminated from the side to enhance its aesthetic appeal. However, the configuration shown in Figure 6, in which a curved surface is provided for each light-emitting element, can suppress unevenness of light throughout the entire lighting section 30 more effectively than the configuration shown in Figure 11.

[0048] Although one aspect of the present invention has been described above, the present invention can be modified as appropriate within the scope of its technical concept. For example, the lighting unit 30 does not have to be provided in correspondence with the upper frame 12A, the lower frame 12B, the left frame 12C, and the right frame 12D. For example, in the decorative fixture 1, the lighting unit 30 corresponding to the upper frame 12A and the lower frame 12B may be omitted. Alternatively, in the decorative fixture 1, the lighting unit 30 corresponding to the left frame 12C and the right frame 12D may be omitted.

[0049] <Summary of Embodiments> The above embodiments disclose at least the following decorative items. (1) The background section, including the first face, The three-dimensional structure provided on the first surface, The three-dimensional structure is equipped with a lighting unit capable of illuminating it, The lighting unit comprises a plurality of light-emitting elements and a light-guiding member provided along the periphery of the first surface in front of the first surface, which guides the light from the light-emitting elements to the three-dimensional structure.

[0050] (2) (1) The ornaments described above, The light guide member includes a curved surface that is convex in the direction along the first surface as a light-emitting surface.

[0051] (3) (2) The ornaments described above, The light guide member is a decorative object that includes a plurality of the curved surfaces.

[0052] (4) (3) The ornaments described above, The curved surface is provided in correspondence with each of the plurality of light-emitting elements. A decorative object from which the light emitted by the light-emitting element is emitted from the curved surface corresponding to the light-emitting element.

[0053] (5) (3) or (4) the ornaments described above, The periphery of the first surface portion includes a pair of opposing first edges and a pair of opposing second edges, The light guide member is a decorative element provided along at least one of the first edge and the second edge.

[0054] (6) (5) The ornaments described above, The light guide member includes a first light guide member and a second light guide member provided along the pair of first edges, An ornament in which the number of curved surfaces included in the first light guide member is the same as the number of curved surfaces included in the second light guide member.

[0055] (7) (5) or (6) the ornaments described above, The light guide member includes a third light guide member and a fourth light guide member provided along the pair of second edges, An ornament in which the number of curved surfaces included in the third light guide member is the same as the number of curved surfaces included in the fourth light guide member.

[0056] (8) An ornament described in any one of (2) to (7), The curved surface is a decorative object having irregularities on its surface.

[0057] (9) An ornament described in any one of (1) to (8), The background portion has an inner frame portion surrounding the first surface portion, The outer frame portion further comprises an outer frame portion having a region opposite to the inner frame portion and covering the outer periphery of the background portion, A decorative device in which the light guide member is provided between the inner frame portion and the area of ​​the outer frame portion.

[0058] (10) (9) The ornaments described above, The light guide member is a decorative element provided at a position closer to the area of ​​the outer frame than to the first surface.

[0059] (11) (9) or (10) the ornaments described above, The decorative fixture includes an inclined surface on the side of the inner frame portion facing the region, which is inclined toward the first surface portion.

[0060] (12) An ornament described in any one of (1) to (11), In a side view, the three-dimensional structure is a decorative object having a portion that protrudes forward from the light guide member.

[0061] The invention is not limited to the embodiments described above, and various modifications and changes are possible within the scope of the gist of the invention. [Explanation of Symbols]

[0062] 1. Ornaments 10 Background part 11 First side 11A Upper edge 11B Lower edge 11C Left edge 11D Right edge 12 Inner frame section 12A Upper frame part 12B Lower frame part 12C Left frame section 12D Right frame section 20 Three-dimensional structures 30 Lighting Section 30A, 30B, 30C, 30D Light guide members 31,35 Light-emitting elements 32,36 Top part 33,37 Curved surface 34,38 flat surface 40 Outer frame 41 Front frame section 41A area 42 Rear part 46 Hinge section 90 Mounting surface 120A, 120B, 120C, 120D surface 121A, 121C recess

Claims

1. The background section, including the first surface, The three-dimensional structure provided on the first surface, The three-dimensional structure is equipped with a lighting unit capable of illuminating it, The lighting unit comprises a plurality of light-emitting elements and a light-guiding member provided along the periphery of the first surface in front of the first surface, which guides the light from the light-emitting elements to the three-dimensional structure.

2. The ornament according to claim 1, The light guide member includes a curved surface that is convex in the direction along the first surface as a light-emitting surface.

3. The ornament according to claim 2, The light guide member is a decorative object that includes a plurality of the curved surfaces.

4. The ornament according to claim 3, The curved surface is provided in correspondence with each of the plurality of light-emitting elements. A decorative object from which the light of the light-emitting element is emitted from the curved surface corresponding to the light-emitting element.

5. The ornament according to claim 3 or 4, The periphery of the first surface portion includes a pair of opposing first edges and a pair of opposing second edges, The light guide member is a decorative element provided along at least one of the first edge and the second edge.

6. The ornament according to claim 5, The light guide member includes a first light guide member and a second light guide member provided along the pair of first edges, An ornament in which the number of curved surfaces included in the first light guide member is the same as the number of curved surfaces included in the second light guide member.

7. The ornament according to claim 5, The light guide member includes a third light guide member and a fourth light guide member provided along the pair of second edges, An ornament in which the number of curved surfaces included in the third light guide member is the same as the number of curved surfaces included in the fourth light guide member.

8. An ornament according to any one of claims 2 to 4, The curved surface is a decorative object having irregularities on its surface.

9. An ornament according to any one of claims 1 to 4, The background portion has an inner frame portion surrounding the first surface portion, The outer frame portion further comprises an outer frame portion having a region opposite to the inner frame portion and covering the outer periphery of the background portion, A decorative device in which the light guide member is provided between the inner frame portion and the area of ​​the outer frame portion.

10. The ornament according to claim 9, The light guide member is a decorative element provided at a position closer to the area of ​​the outer frame than to the first surface.

11. The ornament according to claim 9, The decorative fixture includes an inclined surface on the side of the inner frame portion facing the region, which is inclined toward the first surface portion.

12. An ornament according to any one of claims 1 to 4, In a side view, the three-dimensional structure is a decorative object having a portion that protrudes forward from the light guide member.