Luminous device

Abstract

The present invention provides a light-emitting device that allows for the installation of a flag section with a simple configuration, while also enabling a more impactful illumination pattern from the light-emitting section. [Solution] The light-emitting device 1 has a gripping part 3 on which a light-emitting element 9 is provided, a light-emitting part 5 which is formed in a columnar shape from a light-transmitting material, protrudes from the gripping part 3 and is provided on the gripping part 3, the outer diameter of which is large on the gripping part 3 side and decreases as it moves away from the gripping part 3, and emits light by emitting light emitted from the light-emitting element 9 from the side surface 10, and a flag part 7 which is installed on the light-emitting part 5 and extends from the light-emitting part 5 in a plate shape.

Description

Technical Field

[0001] The present invention relates to a lighting device, and particularly to one provided with a flag portion.

Background Art

[0002] Conventionally, a lighting device including a housing, an LED, and a control unit for causing the LED to emit light has been known. The LED and the control unit are provided inside the housing. The lighting device is used by a spectator holding the gripping portion of the housing by hand at a concert hall or the like.

[0003] Also, conventionally, when using a lighting device at a concert hall or the like, in order to further enhance the production effect, a lighting device provided with a flag (flag portion) on a rod-shaped lighting device has been known (see Patent Document 1).

[0004] The lighting device (portable flag having a light function) described in Patent Document 1 includes a cylindrical portion (cylindrical light-emitting portion) and a shaft portion extending parallel to the cylindrical portion, and the flag (flag portion) is supported by the shaft portion.

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0006] By the way, since the lighting device described in Patent Document 1 includes a cylindrical portion and a shaft portion on which a flag portion is installed, the structure is complicated. An object of the present invention is to provide a lighting device capable of installing a flag portion with a simple structure and making the light emission mode at the light-emitting portion more impactful.

Means for Solving the Problems

[0007] A light-emitting device according to an aspect of the present invention comprises a gripping portion provided with a light-emitting element that emits light; a light-emitting portion formed in a columnar shape from a light-transmitting material, protruding from the gripping portion and provided on the gripping portion, having an outer diameter that is large on the gripping portion side and decreases as it moves away from the gripping portion, and emitting light by emitting light emitted from the light-emitting element from its side; and a flag portion installed on the light-emitting portion and extending from the light-emitting portion in a plate-like shape.

[0008] In the light-emitting device according to an aspect of the present invention, the light-emitting part is formed as a solid structure with a filled interior.

[0009] In the light-emitting device according to an aspect of the present invention, the light-emitting part is configured to include a light-emitting part body formed in the shape of a frustocone, and the base end of the light-emitting part body engages with the gripping part, thereby installing the light-emitting part on the gripping part, and the light emitted from the side of the light-emitting part is the light emitted by the light-emitting body that enters the light-emitting part body from the bottom surface of the frustocone of the light-emitting part body, passes through the light-emitting part body, and reaches the side of the frustocone of the light-emitting part body.

[0010] In a light-emitting device according to an aspect of the present invention, a cylindrical portion is formed at the end of the flag portion, a flag portion mounting body is provided at the tip of the light-emitting body for mounting the flag portion to the light-emitting device, the outer diameter of the flag portion mounting body is equal to the outer diameter of the part of the light-emitting body that is a predetermined distance away from the gripping portion, and the flag portion is mounted to the light-emitting device such that the light-emitting body and the flag portion mounting body pass through the cylindrical portion of the flag portion.

[0011] In a light-emitting device according to an aspect of the present invention, the gripping portion is configured to include a gripping portion housing, the gripping portion housing is configured to be disassembled into a plurality of gripping portion housing components, and the light-emitting portion is separated from the gripping portion by disassembling the gripping portion housing into a plurality of gripping portion housing components from a state in which the light-emitting portion is installed on the gripping portion.

[0012] In an embodiment of the present invention, the light-emitting device is configured such that the flag portion emits light due to light emitted from the side of the light-emitting portion.

[0013] A light-emitting device according to an aspect of the present invention is a light-emitting device used in concert venues, sporting event venues, or theme parks. [Effects of the Invention]

[0014] According to the present invention, the flag portion can be installed with a simple configuration, and the manner of illumination from the light-emitting portion can be made more impactful. [Brief explanation of the drawing]

[0015] [Figure 1] This is a perspective view of a light-emitting device according to an embodiment of the present invention. [Figure 2] This figure shows the luminescent device shown in Figure 1 with the flag, flag mounting body, flag holder, and grip fastener removed. [Figure 3] This is a view from arrow III in Figure 2. [Figure 4] This is a perspective view showing the flag portion of a light-emitting device according to an embodiment of the present invention. [Figure 5] This is a perspective view showing the light-emitting part of a light-emitting device according to an embodiment of the present invention. [Figure 6] Figure 1 is an enlarged view of section VI, showing a cross-section of the light-emitting device along its central plane (a plane that includes the center of the light-emitting device and is perpendicular to the X direction). [Figure 7] This figure shows a gripping fastening body of a light-emitting device according to an embodiment of the present invention, where (b) is a view taken along the VIIB arrow in (a). [Figure 8] This figure shows the state in which two gripping part housing components of a light-emitting device according to an embodiment of the present invention are assembled, and (b) is a view taken along arrow VIIIB in (a). [Figure 9](a) is an enlarged view of the IXA part in FIG. 1, showing a cross-section by the central plane of the light-emitting device (a plane including the center of the light-emitting device and orthogonal to the X direction), and (b) is a view showing the IXB-IXB cross-section in (a). [Figure 10] (a) is a view of the light-emitting part of the light-emitting device according to an embodiment of the present invention as seen in the Y direction, and (b) to (e) are views of the light-emitting part according to a modified example as seen in the Y direction. [Figure 11] (a) is a view showing a cross-section of the light-emitting part of the light-emitting device according to an embodiment of the present invention by a plane orthogonal to the Z direction, and (b) to (f) are views showing cross-sections of the light-emitting part according to a modified example by a plane orthogonal to the Z direction. [Figure 12] It is a view showing a light-emitting device according to a modified example, (b) is an enlarged view of the XIIB part in (a), and (c) is an enlarged view of the XIIC part in (a). [Figure 13] It is a view showing the light-emitting part of the light-emitting device shown in FIG. 12. [Figure 14] It is a view corresponding to FIG. 6, showing the one obtained by removing the light-emitting part and the flag part from the light-emitting device shown in FIG. 12(c). [Figure 15] (a) is a view showing the one obtained by removing the light-emitting part fastening body (the gripping part housing) from the one shown in FIG. 14, and (b) is a view seen from the XVB direction in (a). [Figure 16] (a) is a view showing the one obtained by removing the gripping part housing from the one shown in FIG. 14 (the light-emitting part fastening body), and (b) is a view seen from the arrow direction in (a).

Embodiments for Carrying out the Invention

[0016] The light-emitting device 1 according to an embodiment of the present invention is, for example, something that an audience holds and uses at a concert venue. As shown in FIGS. 1 to 5, the light-emitting device 1 is configured to include a gripping part 3, a light-emitting part (column part) 5, and a flag part 7.

[0017] The light-emitting device 1 can be used not only at concert venues but also at sporting event venues, theme parks, and other locations. Specifically, it may be used by spectators to cheer on athletes at sporting event venues, or by cast members and guests at theme parks to enhance the atmosphere and enjoyment. Furthermore, even without the flag section 7 attached, the light-emitting device 1 can be held in the hand and used by spectators at concert venues.

[0018] For the sake of explanation, here we define a predetermined direction in the light-emitting device 1 as the X direction, a predetermined direction perpendicular to the X direction as the Y direction, and a direction perpendicular to both the X and Y directions as the Z direction.

[0019] The gripping portion 3 is provided with a light-emitting element 9 (see Figure 6) that emits light (for example, visible light). The light-emitting element 9 is composed of, for example, a red LED, a green LED, and a blue LED. As a result, the light-emitting element 9 emits light in full color. The light-emitting element 9 is integrally provided with the gripping portion 3.

[0020] The light-emitting part 5 is made of a light-transmitting material and has an elongated columnar shape. The light-emitting part 5 is integrally attached to the gripping part 3, protruding in the Z direction from the gripping part 3, with its longitudinal direction being the protruding direction.

[0021] The outer diameter of the light-emitting part 5 is larger on the gripping part 3 side (base end side) and gradually decreases as it moves away from the gripping part 3 (towards the tip side). The outer diameter of the light-emitting part 5 is the dimension of the light-emitting part 5 in the X and Y directions. Note that the outer diameter of the light-emitting part 5 may remain constant without the above-described change.

[0022] The light-emitting part 5 emits light by emitting light from the side surface (the surface forming the outer diameter) 10, which is emitted from the light-emitting body 9. The light-emitting part 5 is made of a transparent or translucent synthetic resin, including colored transparent resin.

[0023] The flag portion 7 is formed in a plate shape from a flexible material such as cloth or synthetic resin. One end (one side) of the flag portion 7 is (integrally) attached to the light-emitting portion 5, so that it extends outwards from the light-emitting portion 5 in a plate shape, for example, in the X direction.

[0024] The light-emitting part 5 is formed as a solid structure with no voids inside (no air pockets are formed in the body). Furthermore, the light-emitting part 5 has a degree of rigidity that can be considered as a rigid body. That is, the light-emitting part 5 has a degree of rigidity that cannot be perceived by the naked eye even when force is applied with a finger. Alternatively, the light-emitting part 5 may have elasticity and bend easily when force is applied with a finger. Alternatively, the light-emitting part 5 may have a non-solid structure, such as a cylindrical shape with air pockets formed inside.

[0025] To explain further, the light-emitting part 5 is composed of a light-emitting tip portion 13 and a light-emitting body portion 11 that is formed in the shape of a frustocone. The value of the outer diameter of the light-emitting part 5 mentioned above is the value of the outer diameter of the light-emitting body portion 11 that constitutes a part of the light-emitting part 5. Also, the side surface 10 of the light-emitting part 5 is the side surface of the light-emitting body portion 11. The light-emitting body portion 11 constitutes the base end portion, which is the part of the light-emitting part 5 that is on the gripping portion 3 side in the Z direction, and the intermediate portion (the part excluding the tip portion).

[0026] In the frustum of the light-emitting body 11, the height is considerably larger than the outer diameter (outer diameter of the base and outer diameter of the top). The light-emitting tip 13 is formed in a columnar shape (for example, cylindrical) with a small height dimension and is located at the tip (tip in the Z direction) of the light-emitting body 11. The outer diameter of the base of the light-emitting body 11 is slightly larger than the outer diameter of the top. The outer diameter of the light-emitting tip 13 is slightly larger than the outer diameter of the top of the light-emitting body 11. The central axis of the light-emitting body 11 and the central axis of the light-emitting tip 13 coincide.

[0027] As shown in Figure 6, in the light device 1, the base end (base end in the Z direction) of the light-emitting body 11 engages with the gripping part 3, thereby installing the light-emitting part 5 on the gripping part 3. More specifically, the base end of the light-emitting body 11 is inserted into the gripping part 3 at the tip of the gripping part 3, so that the light-emitting body 11 engages with the gripping part 3 and the light-emitting part 5 is installed on the gripping part 3. When the light-emitting part 5 is installed on the gripping part 3, as shown in Figure 1, the tip 13 of the light-emitting part is located on the opposite side from the gripping part 3.

[0028] Furthermore, in the light-emitting device 1, the light emitted from the side surface 10 of the light-emitting part 5 is the light emitted by the light-emitting body 9, which enters the light-emitting body 11 from the bottom surface of the frustum of the light-emitting body 11, passes through the light-emitting body 11, and reaches the side surface 10 of the frustum of the light-emitting body 11. In addition, in the light-emitting part 5, the light emitted by the light-emitting body 9 passes through the light-emitting body 11 and the tip of the light-emitting part 13, causing the surface of the tip of the light-emitting part 13 to also emit light.

[0029] The external shape of the gripping portion 3 is also formed in a columnar shape (for example, cylindrical). The external diameter dimensions (dimensions in the X and Y directions) of the gripping portion 3 are larger than the external diameter dimensions of the light-emitting unit body 11. The height dimension (dimension in the Z direction) of the gripping portion 3 is smaller than the height dimension (dimension in the Z direction) of the light-emitting unit body.

[0030] When the light-emitting part 5 is installed on the gripping part 3, the central axis of the columnar gripping part 3 and the central axis of the columnar light-emitting part 5 coincide with each other. The central axis of the light-emitting part body 11, the central axis of the light-emitting part tip 13, and the central axis of the gripping part 3 are straight lines. However, at least one of the central axes of the light-emitting part body 11, the central axis of the light-emitting part tip 13, and the central axis of the columnar gripping part 3 may be curved in the shape of a large-radius arc, etc., and extend in a form that is close to a straight line.

[0031] In the light-emitting device 1, the flag portion 7 is formed, for example, in the shape of a rectangular plate. A cylindrical portion 15 is formed at the end of the flag portion 7 (corresponding to one side of the rectangle). The inner diameter of the cylindrical portion 15 is equal at all points along the cylindrical portion 15. However, the inner diameter of the cylindrical portion 15 may change in accordance with the change in the outer diameter of the light-emitting device body portion 11. That is, the inner diameter of the cylindrical portion 15 may gradually decrease from the base end towards the tip end.

[0032] As shown in Figure 9, the light-emitting device 1 is provided with a flag mounting body 17 at the tip of the light-emitting body 11 for mounting the flag 7 to the light-emitting part 5. The flag mounting body 17 is formed in a low-profile cylindrical shape with a predetermined wall thickness, and a portion of the ring is cut out, and it has a certain degree of elasticity. The outer diameter of the flag mounting body 17 is equal to the outer diameter of the base end portion 19 of the light-emitting body 11 and the inner diameter of the cylindrical portion 15. The flag mounting body 17 is integrally provided with the light-emitting part 5. The base end portion 19 of the light-emitting body 11 is the portion of the light-emitting body 11 that is a predetermined distance away from the gripping portion 3 and engages with the base end portion of the cylindrical portion 15 of the flag 7.

[0033] Furthermore, in the light-emitting device 1, the flag portion 7 is installed on the light-emitting unit 5 such that the light-emitting unit body 11 and the flag portion mounting body 17 pass through the cylindrical portion 15 of the flag portion 7. The flag portion mounting body 17 is located at the tip of the light-emitting unit body 11, either in contact with the tip portion 13 of the light-emitting unit or slightly away from the tip portion 13 of the light-emitting unit.

[0034] When the flag mounting body 17 is installed on the light-emitting unit 5, the inner surface of the flag mounting body 17 is in surface contact with the outer surface of the light-emitting unit main body 11 with a biasing force. When the flag 7 is installed on the light-emitting unit 5, the flag mounting body 17 is inserted into one end (the tip end) of the cylindrical portion 15 of the flag 7, and the inner surface of the cylindrical portion 15 of the flag 7 is in surface contact with the outer surface of the flag mounting body 17.

[0035] When the flag portion 7 is installed on the light-emitting portion 5, the base end portion 19 of the light-emitting portion body 11 is inserted into the other end (base end) of the cylindrical portion 15 of the flag portion 7, and the inner circumferential surface of the cylindrical portion 15 of the flag portion 7 is in surface contact with the outer circumferential surface of the base end portion 19 of the light-emitting portion body. Also, when the flag portion 7 is installed on the light-emitting portion 5, as shown in Figures 9 and 12, a gap 21 is formed between the middle portion of the cylindrical portion 15 of the flag portion 7 and the light-emitting portion body 11.

[0036] As shown in Figures 1 and 9, the light-emitting device 1 is provided with a flag holder 23. The flag holder 23, like the flag mounting body 17, is formed in a low-profile cylindrical shape with a predetermined wall thickness and a portion of the ring cut out, and possesses a certain degree of elasticity. The inner diameter of the flag holder 23 is equal to, slightly smaller than, or slightly larger than the outer diameter of the flag mounting body 17.

[0037] The flag mounting body 17, the flag 7, and the flag holder 23 are installed on the light-emitting unit 5. In this state, the flag holder 23, together with the flag mounting body 17, clamps the cylindrical portion 15 of the flag 7 with a biasing force. As a result, the flag 7 is firmly installed on the light-emitting unit 5. Alternatively, a flag holder similar to the flag holder 23 may be provided at the base end portion 19 of the main body of the light-emitting unit, and the flag 7 may be clamped by the base end portion 19 of the main body of the light-emitting unit and the flag holder similar to the flag holder 23 with a biasing force.

[0038] The gripping unit 3 is comprised of a gripping unit housing 25. The gripping unit housing 25 is configured to be disassembled into a plurality of (for example, two) gripping unit housing components 27 (27A, 27B) (see Figures 3 and 6). The light-emitting unit 5 and the flag unit 7 can be easily separated from the gripping unit 3 by disassembling the gripping unit housing 25 into a plurality of gripping unit housing components 27 (27A, 27B) (for example, by disassembling it into approximately two equal parts).

[0039] Furthermore, with the light-emitting part 5, on which the flag portion 7 is attached, removed from the gripping part 3, the light-emitting part 5 is pulled out from the cylindrical portion 15 of the flag portion 7. This allows the flag portion 7 to be easily separated from the light-emitting part 5.

[0040] The gripping unit housing 27, the light-emitting unit 5, and the flag unit 7 are disassembled, and the flag unit 7 is installed on the light-emitting unit 5. After this installation, the light-emitting unit 5 is appropriately engaged with the gripping unit housing 27, and the gripping unit housing 27 is assembled so that the light-emitting unit 5 and the flag unit 7 are temporarily installed on the gripping unit 3. The gripping unit housing 25 is formed in the shape of a bottomed cylinder, and is configured to be divided into two gripping unit housing 27 by a plane containing the central axis of the bottomed cylinder.

[0041] In the light-emitting device 1, the flag portion 7 is made to light up by light emitted from the side surface 10 of the light-emitting portion 5. More specifically, the portion of the flag portion 7 that engages with the light-emitting portion 5 (the cylindrical portion 15) when it is installed on the light-emitting portion 5 is configured to transmit light emitted from the side surface 10 of the light-emitting portion 5. In other words, the flag portion 7 is also made to light up by light emitted from the side surface 10 of the light-emitting portion 5.

[0042] The cylindrical portion 15 of the flag portion 7 is transparent or translucent, including colored transparent material. The light emitted from the side surface 10 of the light-emitting portion 5 is transmitted through the cylindrical portion 15. The entire flag portion 7, including the cylindrical portion 15, may be transparent or translucent, including colored transparent material. Furthermore, the cylindrical portion 15 of the flag portion 7 may be in the form of a mesh, so that the light emitted from the side surface 10 of the light-emitting portion 5 exits the cylindrical portion 15 through the mesh (the gaps in the mesh).

[0043] Let me explain the light-emitting device 1 in more detail. The gripping part housing 25 is made of a material such as opaque synthetic resin, and constitutes the gripping part 3 of the light-emitting device 1. The gripping part housing 25 is the part that a person holds in their hand when using the light-emitting device 1.

[0044] As shown in Figure 1, the gripping section housing 25 is formed in a bottomed cylindrical shape. The gripping section housing 25 is also provided with an operation switch 29 (see Figure 3). By operating the operation switch 29 as appropriate, the power to the light-emitting device 1 is turned on and off, and the mode of light emission from the light-emitting section 5 (light-emitting body 9) is changed.

[0045] The space inside the gripping unit housing 25 (internal space of the gripping unit housing) 31 contains a light-emitting element 9 (see Figure 6), a power supply unit (not shown), and a control unit (for example, a control unit comprising a CPU and memory). The light-emitting element 9 is located at the gripping unit housing opening 33 (see Figure 6), which is an opening in the gripping unit housing 25. When the light-emitting unit 5 is not installed, the light emitted by the light-emitting element 9 exits the gripping unit housing 25 through the gripping unit housing opening 33. The control unit controls the mode of light emission from the light-emitting element using power supplied from the power supply unit installed in the power supply unit. The control unit controls the saturation, brightness, hue, illumination, blinking, etc., of the light emitted by the light-emitting element.

[0046] As shown in Figures 6 and 7, the gripping portion 3 is configured with a gripping fastener 34. The gripping fastener 34 is formed in a frustoconical shape from an opaque synthetic resin or the like. A locking projection 35 and a keyway 37 are provided on the inner circumference of the gripping fastener 34.

[0047] When the two gripping housing components 27A and 27B are assembled together, as shown in Figures 6 and 8, a small-diameter cylindrical portion 39 is formed at the tip of the gripping housing component 27 (gripping housing 25), with inner and outer diameters slightly smaller than those of the tip.

[0048] The gripping fastener 34 has a small-diameter cylindrical portion 39 that fits into it and is installed on the gripping housing component 27 (gripping housing 25) so as to cover the tip of the gripping housing 25. With the light-emitting unit 5 installed on the gripping housing component 27 (gripping housing 25), the gripping fastener 34 is installed on the gripping housing 25 so that the gripping housing 25, the gripping fastener 34, and the light-emitting unit 5 become one integrated unit.

[0049] The small-diameter cylindrical portion 39 of the gripping housing structure 27A is provided with a key 41 that fits into the keyway 37 of the gripping fastener 34 when the gripping fastener 34 is installed on the gripping housing 25. The key 41 protrudes from a predetermined portion of the outer surface of the small-diameter cylindrical portion 39.

[0050] The small-diameter cylindrical portion 39 of the gripping housing structure 27B is provided with a cylindrical hole 45 into which a cylindrical projection 43, provided at the base end of the light-emitting unit 5, fits when the light-emitting unit 5 is installed in the gripping housing 25. The inner circumference of the small-diameter cylindrical portion 39 of the gripping housing 25 is provided with an annular groove 49 into which a flange portion 47, provided at the base end of the light-emitting unit 5, fits when the light-emitting unit 5 is installed in the gripping housing 25. The flange portion 47 is formed by providing a cylindrical notch 51 at the base end of the light-emitting unit 5 and reducing the diameter of a part of the base end of the light-emitting unit 5.

[0051] As described above, a flange 47 is provided at the base end of the main body 11 of the light-emitting unit 5, but a smaller annular groove 53 is provided at the base end of the main body 11 of the light-emitting unit than the annular groove 49. The annular groove 49 is provided in the main body 11 of the light-emitting unit, slightly away from the notch 51 toward the tip of the light-emitting unit 5. When the gripping fastener 34 is installed in the gripping housing 25, the locking projection 35 of the gripping fastener 34 is fitted into the annular groove 53 of the main body 11 of the light-emitting unit.

[0052] With the light-emitting part 5 installed on the gripping part 3, the key 41 fits into the key groove 37, the projection 43 fits into the hole 45, the flange 47 fits into the annular groove 49, and the locking projection 35 fits into the annular groove 53. As a result, the two gripping part housing components 27A and 27B, the gripping part fastener 34, and the light-emitting part 5 are integrated into one unit.

[0053] As described above, the main body portion 11 of the light-emitting portion 5 is formed in the shape of an elongated frustoconical cone, and the tip portion 13 of the light-emitting portion is formed in the shape of a short cylinder, with the outer diameter of the tip portion 13 being slightly larger than the outer diameter of the tip portion of the main body portion 11. Furthermore, the tip portion of the light-emitting portion 13 has an arc-shaped chamfer (see Figure 9(b)).

[0054] As shown in Figure 9, the flag mounting body 17 and the flag holder 23 are formed in a "C" shape when viewed in the Z direction. A cylindrical projection 55 is provided at the center of the arc that constitutes the "C" shape of the flag mounting body 17, on the inner circumference of the arc. In addition, a cylindrical hole 57 is provided on the tip side of the light-emitting body portion 11 of the light-emitting portion 5 (near the tip portion 13 of the light-emitting portion), into which the projection 55 of the flag mounting body 17 fits when the flag mounting body 17 is installed on the light-emitting portion 5. The projection 55 fitting into the hole 57 prevents the flag mounting body 17 from rotating relative to the light-emitting portion 5.

[0055] Furthermore, although not shown in the illustration, the flag portion 7 may have a design (pattern) including letters, figures, symbols, etc. The design may include holograms (including 3D holograms) or latent image patterns used on banknotes. Additionally, the flag portion 7 may function as a light-diffusing member that diffuses the light emitted by the light-emitting portion 5. That is, the light irradiated onto the flag portion 7 may be diffused by the flag portion 7 and irradiated in various directions.

[0056] As is already understood, inside the gripping housing 25 on which the gripping fastener 34 is installed, there is an internal space 31 of the gripping housing 25 that is surrounded by the walls of the gripping housing 25. When the light-emitting unit 5 is not installed, the internal space 31 of the gripping housing 31 is connected to the outside of the gripping housing 25 by the gripping housing opening 33, which is an opening in the internal space 31 of the gripping housing 25.

[0057] The light-emitting part 5 is installed on the gripping part 3 so that the opening 33 of the gripping part housing is closed by the light-emitting part 5. In the light-emitting device 1, almost all of the light emitted by the light-emitting body 9 enters the light-emitting part 5 from the bottom surface of the light-emitting part 5 and exits the light-emitting part 5 from the side surface 10 of the light-emitting part body 11 and the tip 13 of the light-emitting part 5. As a result, the light-emitting part 5 and the flag part 7 emit light. If the flag part mounting body 17 and the flag part holder 23 are made of a transparent or translucent material (for example, synthetic resin), the flag part mounting body 17 and the flag part holder 23 also emit light.

[0058] Here, we will explain the assembly of the light-emitting device 1. First, the flag mounting body 17 is attached to the light-emitting unit 5, the flag 7 is attached to both the light-emitting unit 5 and the flag mounting body 17, and the flag holder 23 is attached. Next, the gripping unit housing components 27A and 27B are assembled, and the light-emitting unit 5 is temporarily attached to the gripping unit housing 25. Then, the gripping unit fastener 34 is attached. This completes the assembly of the light-emitting device 1. Disassembly of the light-emitting device 1 is done in the reverse order of the procedure described above.

[0059] By installing batteries in the battery compartment of the light-emitting device 1 and operating the operation switch 29 as appropriate to turn on the power to the light-emitting device 1, and then operating the operation switch 29 as appropriate again, the light-emitting body 9 will light up. The light-emitting body 9 will light up in various ways, and the light-emitting part 5 and the flag part 7 will also light up.

[0060] In the light-emitting device 1, the flag portion 7 is configured to be directly attached to the light-emitting portion 5. This allows for the installation of the flag portion 7 with a simple configuration. Furthermore, in the light-emitting device 1, the light-emitting portion 5 is constructed in a columnar shape using a light-transmitting material, and the outer diameter of the light-emitting portion 5 is large on the gripping portion 3 side and decreases as it moves away from the gripping portion 3. The light-emitting portion 5 emits light when the light emitted by the light-emitting body 9 is emitted from the side surface 10 of the light-emitting body 9. This allows for a beautiful and impactful manner of illumination from the light-emitting portion 5, such as the light emitted by the light-emitting body 9 that enters the interior of the light-emitting portion 5 being emitted from the side surface 10 of the light-emitting portion 5 with a nearly uniform luminous intensity.

[0061] Furthermore, in the light-emitting device 1, the light-emitting part 5 is formed with a solid structure. As a result, the light emitted by the light-emitting body 9 that enters the interior of the light-emitting part 5 travels without reflection due to gaps or other factors within the light-emitting part 5, making the way the light is emitted from the light-emitting part 5 more beautiful and impactful.

[0062] Furthermore, in the light-emitting device 1, the light emitted from the side surface 10 of the light-emitting part 5 enters the light-emitting body 11 from the bottom surface of the frustum of the light-emitting body 11 emitted by the light-emitting element 9, and passes through the light-emitting body 11. Then, it is emitted from the side surface 10 of the frustum of the light-emitting body 11. As a result, there are no corners on the side surface 10 of the light-emitting part 5, and the side surface 10 of the light-emitting part 5 can be made to emit light with a uniform luminous intensity.

[0063] Furthermore, in the light-emitting device 1, a flag mounting body 17 is provided at the tip of the light-emitting main body 11, and the outer diameter of the flag mounting body 17 is equal to the outer diameter of the base end portion 19 of the light-emitting main body. In addition, in the light-emitting device 1, the flag portion 7 is installed on the light-emitting unit 5 such that the light-emitting main body 11 and the flag mounting body 17 pass through the cylindrical portion 15 of the flag portion 7. As a result, even if the outer diameter of the light-emitting main body 11 changes in the direction of extension of the central axis of the light-emitting main body 11, the flag portion 7 can be installed on the light-emitting unit 5 with almost no slack.

[0064] Furthermore, in the light-emitting device 1, the gripping section housing 25 is configured to be disassembled into multiple gripping section housing components 27 (27A, 27B). This makes it easier to mold the gripping section housing 25 (gripping section housing components 27). In addition, in the light-emitting device 1, the light-emitting section 5 can be easily separated from the gripping section 3 by disassembling the gripping section housing 25 into multiple gripping section housing components 27 (27A, 27B) from the state in which the light-emitting section 5 is installed on the gripping section 3. This makes it easier to replace the light-emitting section 5, and also the flag section 7.

[0065] Furthermore, in the light-emitting device 1, the flag portion 7 is illuminated by light emitted from the side surface 10 of the light-emitting portion 5. This allows for a more impactful illumination pattern.

[0066] Next, a modified example of the light-emitting part 5's main body portion 11 will be described with reference to Figure 10. Figure 10(a) is a view of the light-emitting part 5 of the light-emitting device 1 according to the embodiment of the present invention shown in Figure 1, etc., in the Y direction. In the light-emitting part 5 shown in Figure 10(a), the outer diameter of the light-emitting part 5's main body portion 11 gradually decreases from the base end to the tip end, and the rate at which the outer diameter decreases is constant.

[0067] In the light-emitting section 5 shown in Figure 10(b), the outer diameter of the main body portion 11 of the light-emitting section 5 gradually decreases from the base end to the tip end, and the rate at which the outer diameter decreases also gradually decreases. In the light-emitting section 5 shown in Figure 10(c), the outer diameter of the main body portion 11 of the light-emitting section 5 gradually decreases from the base end to the tip end, and the rate at which the outer diameter decreases also gradually increases.

[0068] In the light-emitting section 5 shown in Figure 10(d), the outer diameter of the main body portion 11 of the light-emitting section 5 decreases in stages from the base end to the tip end, thereby forming multiple steps 63. The planes forming the steps 63 are perpendicular to the Z direction. In the light-emitting section 5 shown in Figure 10(e), the surfaces forming the steps of the main body portion 11 are formed by the side surface 65 of a frustocone.

[0069] Next, another modified example of the light-emitting body portion 11 of the light-emitting unit 5 will be described with reference to Figure 11. Figure 11 shows a cross-section of the light-emitting body portion 11 of the light-emitting unit 5 (a cross-section taken by a plane perpendicular to the Z direction). Figure 11(a) is a diagram showing a cross-section of the light-emitting body portion 11 of the light-emitting unit 5 of the light-emitting device 1 according to the embodiment of the present invention shown in Figure 1, etc., and is circular in shape.

[0070] The cross-section of the light-emitting body 11 of the modified light-emitting unit 5 shown in Figure 11(b) is elliptical. The cross-section of the light-emitting body 11 of the modified light-emitting unit 5 shown in Figure 11(c) is a regular hexagon, and the cross-section of the light-emitting body 11 of the modified light-emitting unit 5 shown in Figure 11(d) is a regular octagon. The cross-section of the light-emitting body 11 of the light-emitting unit 5 shown in Figure 11(e) is in the shape of a pentagram. The cross-section of the light-emitting body 11 of the light-emitting unit 5 shown in Figure 11(f) is a hexagram shape with a reduced recess. Note that the cross-section of the light-emitting body 11 of the light-emitting unit 5 may be in other shapes, such as a regular polygon.

[0071] Next, a modified example of the light-emitting device 1a will be described with reference to Figures 12 to 16. The modified example of the light-emitting device 1a differs from the light-emitting device 1 according to the embodiment of the present invention in the manner in which the flag portion 7 is installed on the light-emitting portion 5 and the manner in which the light-emitting portion 5 is installed on the gripping portion 3, but in other respects it is configured in the same way as the light-emitting device 1.

[0072] In the light-emitting device 1a, the flag mounting body 17 and the light-emitting part 5, as shown in the light-emitting device 1, are integrated. That is, in the light-emitting device 1a, the flag mounting body 17 and the light-emitting part 5, as shown in the light-emitting device 1, are integrally molded, so that a cylindrical portion 67 is formed on the light-emitting part 5. Note that the light-emitting device 1a does not have a flag holder 23, but it may have one.

[0073] In addition, in the light-emitting device 1a, the flag portion 7 is attached to the light-emitting portion 5 by tightening and fixing the light-emitting portion 5 with tapered portions 69 and 71. The tapered portion 69 is formed at the tip of the gripping portion housing 25. On the base side of the gripping portion housing 25, closer to the tapered portion 69, there is a threaded portion 75 with a male thread 77 formed on its outer circumference. The tapered portion 71 is provided at the tip side of the inner circumference of the cylindrical light-emitting portion fastener 73. A female thread 79 is provided at the base side of the inner circumference of the light-emitting portion fastener 73.

[0074] Multiple slits 81 are provided in the tapered section 69 at positions equally distributed with the circumference of the cylinder. This allows the tapered section 69 to undergo elastic deformation, that is, the inner diameter of the cylindrical tapered section 69 changes slightly.

[0075] The initial state is defined as the light-emitting unit fastener 73 being temporarily installed on the gripping unit housing 25, and the light-emitting unit 5 being removed from the gripping unit housing 25. In the state where the light-emitting unit fastener 73 is temporarily installed on the gripping unit housing 25, the tip portion of the male screw 77 and the base portion of the female screw 79 are screwed together. Also, in the above initial state, the tapered surface 83 of the tapered portion 69 is separated from the tapered surface 85 of the tapered portion 71.

[0076] In the initial state described above, the base end portion of the light-emitting unit 5 is inserted into the tapered portion 69 of the gripping unit housing 25, and the light-emitting unit fastener 73 is rotated so that the tapered surface 85 of the tapered portion 71 comes into contact with the tapered surface 83 of the tapered portion 69, thereby tightening the tapered portion 69. This tightening reduces the inner diameter of the tapered portion 69 in which the slit 81 is provided, and the tapered portion 69 tightens the base end portion of the light-emitting unit 5. As a result, the light-emitting unit 5 is integrally installed on the gripping unit 3.

[0077] In Figure 12, the flag portion 7 is in contact with the grip portion 3 in the Z direction, but the flag portion 7 may be slightly separated from the grip portion 3 in the Z direction, or, as with the light-emitting device shown in Figure 1, the flag portion 7 may be separated from the grip portion 3 by a predetermined distance in the Z direction.

[0078] Although this embodiment has been described above, this embodiment is not limited to these, and various modifications are possible within the scope of the gist of this embodiment. [Explanation of Symbols]

[0079] 1. Light-emitting device 3 Gripping part 5. Light-emitting part 7 Hatabe 9. Luminous body 10 Side view 11 Light-emitting unit main body 15. Cylindrical part 17. Banner Headquarters Setup 19 parts (the base of the main part of the radiant part) 25. Holding part of the basket 27, 27A, 27B: Holding part basket structure

Claims

1. A gripping part equipped with a light-emitting element, It is formed in a columnar shape from a light-transmitting material, protrudes from the gripping portion and is provided on the gripping portion, the outer diameter is large on the gripping portion side and decreases as it moves away from the gripping portion, and the light-emitting portion emits light by emitting light from the side of the light-emitting body, The flag portion, which is installed on the light-emitting portion, extends from the light-emitting portion in a plate-like shape, A light-emitting device having [a certain characteristic].

2. The light-emitting part is formed to have a solid structure with a filled interior, as described in claim 1.

3. The light-emitting part is configured to include a light-emitting part body that is formed in the shape of a frustocone, The base end of the main body of the light-emitting part engages with the gripping part, thereby the light-emitting part is installed on the gripping part. The light-emitting device according to claim 1, wherein the light emitted from the side of the light-emitting part is light emitted by the light-emitting body, which enters the main body of the light-emitting part from the bottom surface of the frustocone of the main body of the light-emitting part, passes through the main body of the light-emitting part, and reaches the side of the frustocone of the main body of the light-emitting part.

4. A cylindrical portion is formed at the end of the flag portion. The tip of the main body of the light-emitting unit is provided with a flag mounting body for attaching the flag to the light-emitting unit, and the outer diameter of the flag mounting body is equal to the outer diameter of the part of the main body of the light-emitting unit that is a predetermined distance away from the gripping part. The light-emitting device according to claim 3, wherein the flag is installed on the light-emitting part such that the main body of the light-emitting part and the flag mounting body penetrate the cylindrical portion of the flag.

5. The gripping portion is configured to include a gripping portion housing, The gripping housing is configured to be disassembled into multiple gripping housing components. The light-emitting device according to claim 1, wherein the light-emitting part is separated from the gripping part by disassembling the gripping part housing into a plurality of gripping part housing components, starting from a state in which the light-emitting part is installed on the gripping part.

6. The light-emitting device according to any one of claims 1 to 5, wherein the flag portion emits light due to light emitted from the side of the light-emitting portion.

7. A light-emitting device according to any one of claims 1 to 5, for use in concert venues, sporting event venues, or theme parks.

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