Display and method for installing display

Abstract

To provide a display which can be easily installed and a method for installing the display.SOLUTION: The display 100 includes a display body 20 and a fixture 10 for fixing the display body 20 to the structure S. The fixture 10 includes a rail 11 having a guide groove side 11g and attached to the structural body S, a slider 12 having a projection side 11g fitted to the guide groove side 12p and slidably supported to the rail 11, and a fastener 13 for fixing the rail 11 and the slider 12.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a display and a method for installing a display. [Background technology]

[0002] Conventionally, there have been stands for supporting displays (for example, Patent Document 1).

[0003] Conventional stands are merely a platform for placing a display on a desk, and therefore may be difficult to apply depending on the size, weight, or installation location of the display. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2016-80951 Summary of the Invention [Problem to be solved by the invention]

[0005] An object of the present invention is to provide a display that can be easily installed and a method for installing the display. [Means for solving the problem]

[0006] (1) A display according to one aspect of the present invention comprises a display body and a fixing device for fixing the display body to a structure, the fixing device having a rail with a guide groove and attached to the structure, a slider having a protrusion that fits into the guide groove and is supported slidably relative to the rail, and a fastener for fixing the rail and the slider. (2) In the above (1), a power supply device may be provided that is positioned so that its center of gravity is closer to the fixture than the center of gravity of the display body. (3) In the above (1) or (2), the power supply device may include a power supply case supported by the slider or the display body. (4) In the above (1) or (2), the rail may be provided parallel to the guide groove and may have a shoulder capable of positioning the slider. (5) In the above (1) or (2), the rail may have a length sufficient to support two or more of the sliders. (6) In (1) or (2) above, the display body may include a first display body and a second display body, the first display body and the second display body having a first slider and a second slider, respectively, and the first slider and the second slider may be supported by a single rail. (7) In the above (6), the display body may include the first display body and the second display body, and the first display body and the second display body may be connected by a connecting member. (8) A display installation method according to one aspect of the present invention includes a rail fixing step of fixing a rail to a structure, an insertion step of inserting a protrusion of a slider integrated with the display body into a guide groove of the rail, a rotation step of rotating the slider around the protrusion toward the rail, and a slider fixing step of fixing the rail and the slider. (9) In (8) above, the display body may have a first display body and a second display body, and may include a second display body mounting step of mounting the second display body to the rail after mounting the first display body to the rail, and an approaching step of moving the first display body or the second display body in parallel to bring them closer together. (10) In the above (9), a connecting step of connecting the first display body and the second display body may be included. [Effects of the Invention]

[0007] According to the present invention, it is possible to provide a display that can be easily installed and a method for installing the display. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 10 is an explanatory diagram of the state in which the display is installed. [Figure 2] FIG. 1 is a front view of the display. [Figure 3] FIG. 2 is a rear view of the display. [Figure 4] FIG. 2 is a plan view of the display. [Figure 5] FIG. 1 is a bottom view of the display. [Figure 6] FIG. 10 is a view of the display as seen from the right side. [Figure 7] FIG. 7 is a detailed view of part A in FIG. 6. DETAILED DESCRIPTION OF THE INVENTION

[0009] (Embodiment) Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is an explanatory diagram of the state in which the display 100 is installed. FIG. 2 is a diagram of the display 100 as seen from the front. FIG. 3 is a diagram of the display 100 as seen from the back. FIG. 4 is a diagram of the display 100 as seen from above. In FIG. 4, the slider 12 is shown through the rail 11. FIG. 5 is a diagram of the display 100 as seen from the bottom. FIG. 6 is a diagram of the display 100 as seen from the right side. FIG. 7 is a detailed view of part A in FIG. 6. In the following, parts having common functions may be given the same reference numerals or symbols.

[0010] As shown in FIG. 1 , the display 100 according to the embodiment can be installed indoors or outdoors without being restricted by the size of the display 100 itself or the installation location. For example, as shown on the left side of FIG. 1 , the display 100 can be installed in a high location where installation is particularly difficult, such as on the top of a vending machine, with the information display surface facing passersby or users of the outdoor vending machine, and can be suitably used as digital signage to catch the eye of passersby or users. For example, as shown on the right side of FIG. 1 , the display 100 can be installed in a high location where installation is particularly difficult, such as on the ceiling of a room in a building, with the information display surface facing an opening (transparent window) or a glass screen (transparent exterior wall) of the room, and can be suitably used as digital signage to catch the eye of passersby in front of the room.

[0011] As shown in Figures 1 to 7, the display 100 includes a display main body 20 and a fixture 10 for fixing the display main body 20 to a structure S. Note that Figures 2 to 7 show an example in which the display 100 is placed on the structure S. Note that if the views shown in Figures 2 to 7 are turned upside down, the display 100 will be in a state in which it is suspended below the structure S.

[0012] The structure S is an object at a location where the display 100 is installed. The structure S may be, for example, a vending machine, a vehicle, a building, or a structure.

[0013] The display body 20 is a display device. The display body 20 is, for example, an LED display configured by arranging LED elements at a predetermined pitch along the display screen. The display body 20 has a structure in which a liquid crystal module, a diffusion plate, a backlight, and a control board are stacked and housed between a front cabinet and a rear cabinet. The display body 20 is in the form of a rectangular panel. The power supply case 31 of the power supply device 30 or the slider 12 of the fixture 10 may be fixed to the display body 20. The display body 20 may be integrally structured with the power supply case 31 or the slider 12 of the fixture 10. The display body 20 and the slider 12 of the fixture 10 may be separate from each other and connected via the power supply case 31. The front surface of the display body 20 is the display surface (screen). Grooves for heat dissipation are appropriately formed on the rear surface of the display body 20. The power supply case 31 is disposed on the rear surface of the display body 20. The slider 12 of the fixture 10 is disposed at the upper end of the display body 20. A handle 24 is provided on the rear surface of the display main body 20 as needed to facilitate the installation of the display 100.

[0014] The display body 20 may include a first display body 20A and a second display body 20B. The first display body 20A and the second display body 20B may have a first slider 12A and a second slider 12B, respectively. The first slider 12A and the second slider 12B may be supported by a single rail 11. This allows a plurality of display bodies 20 to be aligned side by side on one rail 11, creating a horizontally long screen like a banner.

[0015] The display main body 20 may have a first display module 21 and a second display module 22 that share the same shape, structure, and function. The first display module 21 and the second display module 22 may be connected by a connector 23. This allows the display main body 20 to be an integrated product unit in which the first display module 21 and the second display module 22 are connected by the connector 23. Therefore, the display modules that share the same shape, structure, and function can be used as constituent elements or functional units, and an appropriate number of such display modules (constituent elements, functional units) can be connected to form the display main body 20. This reduces the manufacturing cost required to prepare product variations with different screen sizes.

[0016] 3, the first display module 21 and the second display module 22 may each be provided with a handle 24. This allows the display main body 20 made up of the first display module 21 and the second display module 22 to be held with both hands, making it easier to lift and simplify installation.

[0017] The display body 20 may include a first display body 20A and a second display body 20B. That is, the display body 20 may be composed of a plurality of display bodies 20. As shown in FIG. 3, the first display body 20A and the second display body 20B may be connected by a connecting member 40. This allows a desired landscape screen to be formed by connecting a plurality of display bodies 20 with the connecting member 40. This also prevents the plurality of display bodies 20 from vibrating individually. In addition, in a display 100 composed of a plurality of display bodies 20, whether or not adjacent display bodies 20 are connected by the connecting member 40 can be selected, and by grouping any number of display bodies 20, the natural period of the display 100 can be adjusted. This improves earthquake resistance.

[0018] The fixture 10 has a rail 11 having a guide groove 11g and attached to the structure S, a slider 12 having a protrusion 12p that fits into the guide groove 11g and supported slidably on the rail 11, and a fastener 13 that fastens the rail 11 and the slider 12. In this way, the display 100 has the fixture 10 equipped with the special rail 11, the special slider 12, and the fastener 13 that fastens them, so that the attachment of the rail 11 of the fixture 10 to the structure S and the attachment of the slider 12 of the fixture 10 to the display body 20 can be separated structurally and process-wise. This allows the display 100 to be easily installed on the structure S. The display 100 can also be installed by being placed above the top surface of the structure S using the fixture 10, or by being suspended from the bottom. This allows the display 100 to be easily installed. Furthermore, since the slider 12 is fastened by the fasteners 13 while fitted into the rails 11, in a mounting structure in which the display main body 20 is placed above the structure S, the display 100 can be easily positioned with respect to the structure S while the weight of the display 100 is resting on the structure S, facilitating installation work. Even in a hanging structure in which the display main body 20 is placed below the structure S, the slider 12 can be temporarily supported while fitted into the rails 11 during installation, facilitating installation work, and the cooperation of the fasteners 13 and the engagement between the guide grooves 11g and the protrusions 12p can ensure sufficient strength against the weight of the display 100 and external forces such as earthquake force or wind pressure acting on the display 100. Furthermore, since the slider 12 is supported slidably on the rails 11, the display main body 20 including the slider 12 can be adjusted by moving it parallel to the longitudinal direction of the rails 11 with the protrusions 12p fitted into the guide grooves 11g, and then fixed in a predetermined position with the fasteners 13. Therefore, the display 100 can be easily installed.

[0019] The rail 11 is attached to the structure S. The rail 11 may be a plate-like shape extending in the longitudinal direction with a flat, uniform cross-section whose width is relatively large relative to its thickness. The longitudinal direction of the rail 11 is preferably parallel to the screen of the display body 20. If the longitudinal direction of the rail 11 is parallel to the screen of the display body 20, multiple display bodies 20 can be arranged along the longitudinal direction of the rail 11, and the screens of these display bodies 20 can be aligned on the same flat surface, allowing the screens to be connected to form a horizontally long screen like a banner. The longitudinal length of the rail 11 may be equal to the length of the display body 20 (the horizontal width of the screen).

[0020] The rail 11 preferably has a length sufficient to support two or more sliders 12. This allows one rail 11 to support two or more sliders 12, and therefore two or more display bodies 20. Furthermore, if the rail 11 has a length sufficient to support two or more sliders 12, for example, when installing multiple display bodies 20 side by side on the underside of a ceiling, the rail 11 can be first attached to the underside of the ceiling (structure S), and then the first display body 20 with an integrated slider 12 can be attached to the rail 11, and then the second display body 20 can be attached to the rail 11 next to it, allowing the distance between the first and second display bodies 20 to be adjusted. Furthermore, it is preferable that the longitudinal length of the rail 11 be at least twice the length (width of the screen) of the display body 20, because this allows two or more display bodies 20 to be reliably arranged side by side on a single rail 11 and also allows the position of the display body 20 to be adjusted by moving it parallel to the longitudinal direction of the rail 11.

[0021] The rail 11 has a guide groove 11g extending along the longitudinal direction. The guide groove 11g has a cross-sectional shape that is approximately similar to the shape of the protrusion 12p of the slider 12 so that the protrusion 12p of the slider 12 can be slidably engaged. The guide groove 11g has, for example, an approximately C-shaped cross-sectional shape. The longitudinal direction of the guide groove 11g is preferably parallel to the screen of the display main body 20. When the longitudinal direction of the guide groove 11g is parallel to the screen of the display main body 20, multiple sliders 12 can be arranged side by side along the longitudinal direction of the guide groove 11g, and the screens of the display main bodies 20 supported by those sliders 12 can be aligned on the same flat surface, allowing the screens to be connected to form a horizontally long screen like a banner.

[0022] The rail 11 may have through holes through which fasteners T such as nails, screws, bolts, anchors, etc. (see FIG. 7) pass in order to support the rail 11 to the structure S. The rail 11 is supported by the fasteners T to the structure S. For example, if the structure S is a vending machine, the rail 11 is supported by the fasteners T on the top surface of the vending machine via an appropriate indirect support member. For example, if the structure S is the ceiling of a room, the rail 11 is supported by the fasteners T on the underside of the ceiling. Note that the rail 11 does not have to have through holes, and may be passed through by the fasteners T on-site and directly supported by the structure S.

[0023] The rail 11 may have an internal thread for threadably engaging a fastener 13, which will be described in detail later.

[0024] The rail 11 has a mounting surface 11f that faces the structure S. The mounting surface 11f is flat, in accordance with the fact that the surface of a typical structure S is flat. This makes it possible to eliminate any gap between the structure S and the rail 11, and to prevent the fixture 10 from occupying extra space in the installation location of the display 100.

[0025] As shown in FIG. 7, the rail 11 may have a shoulder 11s that is parallel to the guide groove 11g and that can position the slider 12. The shoulder 11s has a step that bulges out toward the slider 12. The shoulder 11s is provided at the other end opposite the end where the guide groove 11g is provided. The length from the side surface of the shoulder 11s to the bottom of the guide groove 11g is the length from the protrusion 12p of the slider 12 to the abutment 12a plus the play e. As a result, as shown in FIG. 7, the slider 12 can be rotated around the protrusion 12p with the protrusion 12p engaged in the guide groove 11g, causing the contact surface 11c of the rail 11 and the contact surface 12c of the slider 12 to come into contact with each other. Then, with abutment surfaces 11c and 12c in contact with each other, by moving slider 12 parallel to rail 11 in a direction from shoulder 11s toward guide groove 11g, protrusion 12p fits into guide groove 11g, making slider 12 unrotatable and stable. At the same time, the position of the through hole of fastener 13 in slider 12 matches the position of the female thread in rail 11 with which fastener 13 screws, so fastener 13 can be attached to join rail 11 and slider 12.

[0026] Furthermore, when the protrusion 12p of the slider 12 is fitted into the guide groove 11g of the rail 11 and the rail 11 and the slider 12 are faced to each other, the side surface of the shoulder 11s and the side surface of the abutment 12a are positioned close to each other, so that the movement of the slider 12 relative to the rail 11 in a direction perpendicular to the longitudinal direction of the slider 12 (the direction in which the slider 12 slides) and along the mounting surface 11f of the rail 11 to the structure S, in which the slider 12 moves away from the guide groove 11g, can be restricted. This makes it easy to fine-tune the position of the display main body 20 in the longitudinal direction while restricting its movement in the width direction.

[0027] The rail 11 may have a length that allows it to support two or more sliders 12. This allows one rail 11 to support multiple sliders 12. Therefore, multiple display bodies 20 can be arranged side by side on one rail 11.

[0028] The slider 12 is disposed opposite the rail 11. The slider 12 is fitted into the rail 11 and is capable of moving in parallel along the guide groove 11g of the rail 11. The slider 12 may be in the form of a plate having a uniform cross-sectional shape and extending in the longitudinal direction.

[0029] The slider 12 is attached to the display main body 20 or the power supply case 31. The slider 12 may be formed as a part of the rear cabinet of the display main body 20 and have an integral structure with the display main body 20. The slider 12 may be formed as a part of the power supply case 31 and have an integral structure with the power supply case 31.

[0030] The slider 12 has a ridge 12p that fits into the guide groove 11g of the rail 11. The ridge 12p extends linearly along the longitudinal direction of the slider 12. To allow the ridge 12p to be fitted into the guide groove 11g while being rotated, the ridge 12p has a cross-sectional shape (dimensions) that is slightly smaller than the cross-sectional shape (dimensions) of the guide groove 11g. The cross-sectional shape of the ridge 12p may be rectangular, rectangular with chamfered corners, curved, or arc-shaped.

[0031] The slider 12 may have a through hole through which the fastener 13, which will be described in detail later, passes. The through hole through which the fastener 13 passes may have a counterbore of a size corresponding to the size of the head of the fastener 13 so that the head of the fastener 13 does not protrude from the surface of the slider 12.

[0032] The fasteners 13 are fastening tools such as nails, screws, and bolts for fastening the rail 11 and the slider 12. The fasteners 13 are fastened to the rail 11 while passing through the slider 12. A plurality of fasteners 13 are provided along the longitudinal direction of the rail 11 according to the expected loads acting on the fasteners 13, such as the weight of the display 100 itself, earthquake forces, etc.

[0033] Thus, fixture 10 for fixing display 100 to structure S includes rail 11 having guide groove 11g and attached to structure S, slider 12 having protrusion 12p that fits into guide groove 11g and supported slidably on rail 11, and fastener 13 that fixes rail 11 and slider 12. This allows for easy installation even in cases where display 100 has a large weight, is installed in a high location, is suspended from the underside of a ceiling, is placed on the top surface of a vending machine, requires fine adjustment of the installation position, or multiple displays 100 are connected side by side to form a wide banner-like screen. Therefore, a display 100 that can be easily installed can be provided.

[0034] The power supply device 30 is a device that controls the power supplied to the display main body 20. The power supply device 30 has a transformer, a power supply control board, a display control board, a connector for connecting a power cable, etc. The power supply device 30 has a power supply case 31 that houses the built-in functional components. The power supply case 31 has heat dissipation grooves on its surface as appropriate to increase the contact area and improve the efficiency of heat exchange with the air.

[0035] 3, the power supply unit 30 has an input terminal 32i or an input power cable 33i and an output terminal 32e or an output power cable 33e on both sides of the rail 11 in the longitudinal direction. This allows one display 100 to be used as the center, and another display 100 to be connected to either side of the center in the longitudinal direction and connected by a power cable. This simplifies the structure of each display 100, and even when multiple displays 100 are used, power can be supplied to each display 100 in series.

[0036] It is preferable that the power supply device 30 is arranged so that its center of gravity is closer to the fixture 10 than to the center of gravity of the display main body 20. This allows the center of gravity of the entire display 100 to be closer to the fixture 10 to the structure S, which serves as the fulcrum of vibration, thereby shortening the natural period of the display 100 and reducing the amplitude, making the display 100 safe even when not only its own weight but also wind or earthquake forces (such as lateral loads or rotational moments) act on it.

[0037] The power supply device 30 may include a power supply case 31 supported by the slider 12 or the display main body 20. The power supply case 31 is preferably supported by the slider 12 and the display main body 20. Therefore, the power supply case 31, which houses the control board and other components of the power supply device 30, can also serve as a support structure for supporting the display main body 20 on the structure S. This allows sufficient strength and rigidity against loads and rotational moments acting on the boundary (base portion) between the display main body 20 and the fixture 10 to be secured in a lightweight, space-saving manner. Furthermore, the natural period of the display 100 can be shortened and its amplitude reduced, resulting in a safe structure against not only its own weight but also wind force or earthquake force (such as a lateral load or rotational moment). Therefore, the display 100 can be safely installed whether it is installed outdoors by being placed on the top surface of a vending machine or indoors by being suspended from the ceiling of a room.

[0038] (Display installation method) An example of a method for installing the display 100 according to this embodiment will be described below. Here, a method for installing the display 100, which is composed of the first display body 20A and the second display body 20B, on a single rail 11 to construct a digital banner in a digital signage system on the top surface of a vending machine will be described as an example. Note that the structure S is not limited to a vending machine, but may also be the ceiling of a room in a building. The location where the structure S is installed is not limited to above the top surface of the vending machine, but may also be below the ceiling.

[0039] (1) First, the rail 11 is fixed to the top surface (structure S) of a vending machine located where the display 100 is to be installed (rail fixing step). In detail, with the rail 11 in contact with the structure S, nails, screws, bolts, etc. are used to penetrate the rail 11 and fasten the rail 11 to the structure S. Note that a support member may be interposed between the rail 11 and the structure S as appropriate.

[0040] (2) A first assembly is prepared by assembling the first slider 12A and the first display main body 20A together, and a second assembly is prepared by assembling the second slider 12B and the second display main body 20B together as needed.

[0041] (3) Next, as shown in the lower diagram of FIG. 7, the protrusion 12p of the first slider 12A integrated with the first display main body 20A is inserted into the guide groove 11g of the rail 11 (insertion step).

[0042] (4) The first slider 12A is rotated toward the rail 11 around the ridge 12p (rotating step).

[0043] (5) Then, as shown in the upper diagram of Fig. 7, with the rail 11 and the first slider 12A facing each other, the side surface of the shoulder 11s of the rail 11 and the side surface of the abutment 12a of the first slider 12A are brought close to each other. This makes it possible to restrict movement of the first slider 12A relative to the rail 11 in a direction perpendicular to the longitudinal direction of the slider 12 and along the mounting surface 11f of the rail 11 to the structure S. Here, the longitudinal position of the first display main body 20A is finely adjusted as appropriate.

[0044] (6) The rail 11 and the first slider 12A are fixed together with the fastener 13 (slider fixing step).

[0045] (7) Next, the assembly of the second slider 12B and the second display main body 20B is installed on the rail 11 in the same manner as the assembly of the first slider 12A and the first display main body 20A was installed.

[0046] (8) The second assembly is installed next to the first assembly in the same manner as the first assembly was installed on the rail 11. That is, after the first display body 20A is attached to the rail 11, the second display body 20B is attached to the rail 11 (second display body attaching step).

[0047] (9) The first display body 20A or the second display body 20B is appropriately slid along the longitudinal direction of the rail 11 to move them in parallel and bring them closer to each other (approaching step).

[0048] (10) The first display main body 20A of the first assembly and the second display main body 20B of the second assembly are connected with the connecting member 40 (connecting step).

[0049] In this manner, it is possible to carry out the installation method for the display 100. Furthermore, the display 100 having a landscape screen in a digital signage system can be easily installed.

[0050] As explained above, the installation method of display 100 includes a rail fixing step of fixing rail 11 to structure S, an insertion step of inserting protrusion 12p of slider 12 integrated with display main body 20 into guide groove 11g of rail 11, a rotation step of rotating slider 12 toward rail 11 around protrusion 12p, and a slider fixing step of fixing rail 11 and slider 12. Since the installation method of display 100 includes the rail fixing step, insertion step, and rotation step, the rotation center of heavy display main body 20 is set at the position of protrusion 12p of slider 12, and protrusion 12p can be engaged with guide groove 11g of rail 11 fixed to structure S in advance, and the display main body 20 can be rotated in a stable state to align the position of display main body 20 with respect to rail 11. Furthermore, since the installation method of the display 100 includes a rail fixing step and a slider fixing step, the rail fixing step to the structure S and the slider fixing step to the rail 11 can be carried out separately, and the position can be adjusted by translating the display main body 20 relative to the rail 11 fixed to the structure S, so the display 100 can be safely and easily installed in a reliable position relative to the structure S. Therefore, according to the installation method of the display 100, the display 100 can be easily installed.

[0051] The technical scope of the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the present invention.

[0052] In addition, the components in the above-described embodiments may be replaced with known components as appropriate without departing from the spirit of the present invention. Furthermore, the above-described modifications may be combined as appropriate without departing from the spirit of the present invention.

[0053] As described above, the display 100 according to the embodiment includes the display main body 20 and the fixture 10 for fixing the display main body 20 to the structure S. The fixture 10 includes a rail 11 having a guide groove 11g and attached to the structure S, a slider 12 having a protrusion 12p that fits into the guide groove 11g and supported slidably on the rail 11, and a fastener 13 for fixing the rail 11 and the slider 12 together. As a result, the fixture 10 can be separated into the rail 11 fixed to the structure S and the slider 12 that can be integrated with the display main body 20, and the position of the display 100 can be adjusted by moving the display 100 parallel to the longitudinal direction relative to the structure S. This makes it possible to provide a display 100 that can be easily installed.

[0054] The installation method for display 100 according to the embodiment includes a rail fixing step of fixing rail 11 to structure S, an insertion step of inserting protrusion 12p of slider 12 integrated with display main body 20 into guide groove 11g of rail 11, a rotation step of rotating slider 12 toward rail 11 around protrusion 12p, and a slider fixing step of fixing rail 11 and slider 12. Therefore, the rail fixing step to structure S and the slider fixing step to rail 11 can be performed separately, and the position of display main body 20 can be adjusted by translating it relative to rail 11 fixed to structure S, so that display 100 can be safely and easily installed in a reliable position relative to structure S. This provides an installation method for display 100 that allows for easy installation. [Explanation of symbols]

[0055] 100 displays 10 Fixtures 11 Rail 11f Mounting surface 12 Sliders 12A First slider 12B Second slider 20 Display unit 20A 1st display unit 20B Second display body 21 First display module 22 Second Display Module

Claims

1. A display device comprising: a display body; and a fastener for fastening the display body to a structure; The fixture has a rail having a guide groove and attached to the structure; a slider having a protrusion that fits into the guide groove and is supported slidably on the rail; and a fastener for fastening the rail and the slider. display.

2. a power supply device disposed so that its center of gravity is closer to the fixture than to the center of gravity of the display body; 10. The display of claim 1.

3. The power supply device includes a power supply case supported by the slider or the display body.

3. A display according to claim 1 or claim 2.

4. The rail is provided parallel to the guide groove and has a shoulder capable of positioning the slider.

3. A display according to claim 1 or claim 2.

5. The rail has a length capable of supporting two or more of the sliders.

3. A display according to claim 1 or claim 2.

6. The display body includes a first display body and a second display body; the first display body and the second display body have a first slider and a second slider, respectively; The first slider and the second slider are supported by the single rail.

3. A display according to claim 1 or claim 2.

7. the display body includes the first display body and the second display body; The first display body and the second display body are connected by a connecting member.

7. The display of claim 6.

8. a rail fixing step of fixing the rail to the structure; an insertion step of inserting a protrusion of a slider integrated with a display main body into a guide groove of the rail; a rotating step of rotating the slider toward the rail around the protrusion; a slider fixing step of fixing the rail and the slider. How to set up the display.

9. The display body includes a first display body and a second display body; a second display body mounting step of mounting a second display body to the rail after mounting the first display body to the rail; and an approaching step of moving the first display body or the second display body in parallel to bring them closer to each other. The display installation method according to claim 8.

10. a connecting step of connecting the first display body and the second display body. The display installation method according to claim 9.

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