JPS63192084A - Display device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Summary] The present invention provides a display device in which a plurality of display units each having a plurality of display elements are collected to form a collective display surface. By providing guide rails, holders, pressers, recesses, and protrusions that fit into the recesses, multiple display units can be fixed accurately and reliably in desired positions, and the easy attachment and detachment mechanism It can be a display device equipped with.

[Industrial application field]

The present invention relates to a display device, and for example, the present invention can be suitably used for a vehicle-mounted electric bulletin board that is attached to a vehicle and made movable.

[Conventional technology]

FIG. 1θ is a side view of a conventional display device, and FIG. 11 is a top view of a conventional sliding display device.

As shown in FIG. 1θ, in the conventional display device, a lamp box 33 in which a plurality of display elements 31 are provided on a display surface 32 and a control printed board 34 are separated, and a cable 35 connects them.

Further, as shown in FIG. 11, in the conventional display device in which the lamp box 33 is attached and supported in a sliding manner, the support body 38 of the lamp box 33 is moved in the direction of arrow F along the guide rail 36 fixed to the frame 37. I was putting it on and taking it off.

[Problem that the invention seeks to solve]

As described above, in the conventional display device, the lamp box 33 and the control printed board 34 are separated, and the cable 35 is connected between them.
Since the cable 35 was connected with
There are problems in that the voltage drop increases and noise is easily picked up.

In addition, in conventional display devices that support the mounting of the lamp box 33 in a sliding manner, the lamp box 33 is positioned and supported only by the guide rail 36, so the lamp box 33 may shift in the direction of arrow E due to vibration or tilt. There was a problem. Even display bag devices using methods other than the sliding type mentioned above,
Similarly, there is a similar problem because the device for supporting and fixing the lamp box 33 is not sufficient.

In particular, recently, not only display devices of fixed installation type but also vehicle-mounted display devices are being used, so there is a need for a device that can reliably fix and support a plurality of display units.

An object of the present invention is to provide a display device that can solve the above problems.

[Means for solving problems]

In the present invention, as shown in FIGS. 1 to 9, in a display device in which a plurality of display units each having a plurality of display elements are collected to form a collective display surface, the plurality of display elements 11 are arranged on a display surface 12. A display unit 15 consisting of a control printed board 14 integrated with the lamp box 13, a guide rail 16 that slides and holds the display unit 15, a frame 17 that fixes the guide rail 16, One of the frame 17 and the display unit 15 is provided with a receiver 18 and the other is provided with a presser 19, one of the frame 17 and the display unit 15 is provided with a recess 20, and the other is provided with a convex portion 21 that fits into the recess. Take composition.

The above-mentioned display element 11 serves as a pixel for displaying on a collective display surface, and is usually a fluorescent discharge tube, an incandescent lamp,
Although a light emitter such as a light emitting diode is preferably used,
It may be a screen display or something else.

The lamp box 13 described above has a plurality of display elements 11 on the display surface 1.
2. Refers to the box placed on top of 2.

In the present invention, the display unit 15 described above is one in which the lamp box 13 and the control printed board 14 are integrated.

The control printed board 14 described above controls the display of each display element 11 to display on the collective display surface.

The frame 17 mentioned above is a support member when the display units 15 are assembled to form a collective display surface. Each display unit is assembled into this frame to form an integrated collective display surface.

The above-mentioned receiver 18 and presser 19 are connected to the display unit 15.
The means for stopping the movement in the attachment/detachment direction and fixing the same is preferably used, for example, means for connecting the two parts in the shape of a key, but other means may also be used.

The above-mentioned recess and the convex part that fits into the recess are the display unit 1
As a means for accurately fixing the installation position of 5, for example, a V-groove and a corresponding protrusion that can be inserted and fixed can be preferably used.

[Effect]

In the display device of the present invention, the display unit 15 is arranged in a lamp box 13.
Since the control printed board 14 and the control printed board 14 are integrally formed, there is no need for a cable to connect the two, and an increase in voltage drop and noise can be reduced.

Guide rails 16 that slide and hold the display unit 15 allow the display unit to be easily attached and supported.

By providing either the frame 17 or the display unit 15 with a support 18 on one side and a presser 19 on the other, the display unit 15 can be fixed so that it will not shift in the attachment/detachment direction or come off.

By providing either the frame 17 or the display unit 15 with a recess 20 and the other with a protrusion 21 that fits into the recess, the display unit 15 can be fixedly supported in an appropriate position, and the integrated collective display surface can be can be formed.

〔Example〕

Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.

Fig. 1 is a perspective view of the integrated display unit 7) of this embodiment, Fig. 2 is a top view of the integrated display unit, and Fig. 3 is an explanatory diagram showing how the display unit is mounted using a guide rail.
a) is a front view, 弽) is a side view, Fig. 4 is an explanatory diagram of a fixing means using a receiver and a presser, Fig. 5 is a perspective view of the receiver and a presser,
Figure 6 is a side view of the receiver and presser, Figure 7 is an explanatory diagram of the attachment and detachment of the presser, Figure 8 is an illustration (top view) of attachment and detachment of the concave and convex parts, and Figure 9 is an illustration of the attachment and detachment of the concave and convex parts. It is a state explanatory diagram (side view).

This example was applied to a vehicle-mounted electric bulletin board that uses a fluorescent discharge tube as a display element and is capable of displaying electric light.

As shown in FIGS. 1 and 2 (direction arrow A in FIG. 1), the display unit 15 includes a lamp box 13 in which a plurality of display elements 11 (only some are shown and others are omitted) are provided on the display surface 12. A configuration is adopted in which a control printed board 14 is integrated. The wiring connecting the lamp box 13 and the control printed board 14 can be done using a short flexible printed board 22, which eliminates the need for long connecting cables, reduces voltage drop and noise, and reduces the overall display device. Can be made compact. The wiring on the control printed board 14 further connects the printed board 24 and the connector 23 by bringing them into contact.

Next, guide rails 16 for sliding and holding the display unit 15 are arranged side by side on the frame 17 (in FIG. 1, only a part of the guide rail 16 is drawn and the rest is omitted with dots), and the guide rail is a concave groove rail. The control printed board 14 is inserted into the groove so that it can be slid. The guide rail 16 is fixed to the frame 17 so as to be sandwiched between the upper and lower sides of the control printed board 14, as shown in FIG. 3(b). Therefore, there is little lateral wobbling, and the display unit 15 can be easily attached and detached.

Next, as shown in FIGS. 4 to 7, a presser 19 is provided on the frame 17 side, and a receiver 18 is provided on the display unit 15 side. As shown in FIG. 4, when the display unit 15 reaches the position indicated by the dotted line, the respective keys of the receiver 18 and the presser 19 are connected to fix the display unit 15 so that it does not move in the direction of arrow B. This prevents the display unit from popping out even if the display device is vibrated or tilted.

FIG. 5 shows an example of the holder 18 and the presser 19. The holder 19 has a U-shaped rail movably attached to the frame 17 with screws 25 in order to fix a large number of holders 18. It is something. FIG. 6 shows the movement of the presser 19 when it is attached and detached. Fig. 7 (Fig. 4 B direction arrow direction)
As shown in the figure, the frame 17 has a dogleg-shaped cut hole.
When the display unit is fixed, lower the presser 19 and fix it with the screws 25 as shown in (a) of the same figure.To release the display unit, loosen the screws 25 and fix the presser as shown in the same figure (false). Raise 19. This vertical movement of the presser 19
It is indicated by the arrow in the figure.

Next, as shown in FIG. 8, the frame 17 is provided with a recess (in this case, a groove is used) 20, and the display unit 15 side is provided with a protrusion 21 (protrusion) that fits into the recess.
I used a fixture that reversed the positions of the concave and convex parts.

Since the assembly position of the display unit 15 with respect to the frame 17 can be accurately fixed by the recess 20 and the protrusion 21 that fits into the recess, an integrated collective display surface can be formed even if the display device vibrates or tilts. Can be done.

〔Effect of the invention〕

As described above, the display device of the present invention can reduce the increase in voltage drop and noise, and can also easily attach and support the display unit to the frame, and the support can be easily attached to and detached from the frame. The display unit 15 can be fixed at an appropriate position without shifting or coming off.

Therefore, it is possible to form an integrated collective display surface that does not reduce the display effect even when applied to a vehicle-mounted display device.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of the integrated display unit of this embodiment, Fig. 2 is a top view of the integrated display unit, and Fig. 3 is an explanatory diagram showing how the display unit is mounted using guide rails.
a) is a front view, crest) is a side view, Fig. 4 is an explanatory diagram of fixing means using a receiver and a presser, Fig. 5 is a perspective view of a receiver and a presser, and Fig. 6 is a receiver and a presser. 7 is an explanatory diagram of the attaching and detaching state of the presser, FIG. 8 is an explanatory diagram of the attaching and detaching state of the concave and convex portions (top view), FIG. 9 is an explanatory diagram of the attaching and detaching state of the concave and convex portions (side view), FIG. 10 is a side view of a conventional display device, and FIG. 11 is a top view of a conventional sliding display device. 1 to 9, 11 is a display element, 12 is a display surface, 13 is a lamp box, 14 is a control printed board, 15 is a display unit, 16 is a guide rail, 17 is a frame, 18 is a holder, and 19 is a 20 is a concave portion, 21 is a convex portion, 22 is a flexible printed board, 23 is a connector, 24 is a printed board, 25 is a screw, and 26 is a cut hole. Honbuki J 艷 い 1 目 ＄ I Koshi t = fi 隨尤 Unit all Kano ne Figure 11! 1

Claims (2)

[Claims] (1) In a display device in which a plurality of display units each having a plurality of display elements are collected to form a collective display surface, a lamp box (13) in which the plurality of display elements (11) are provided on the display surface (12); a display unit (15) consisting of a control printed board (14) integrated with the lamp box (13);
a guide rail (16) that slides and holds the display unit (15); a frame (17) that fixes the guide rail (16);
A receiver (18) is provided on one of the frame (17) and the display unit (15), and a presser (19) is provided on the other; A concave part (20), and a convex part (20) that fits into the concave part on the other hand.
21) A display device comprising: (2) The concave portion (20) and the convex portion (21) that fits into the concave portion
2. The display device according to claim 1, wherein the numerals ) are a V-groove and a protrusion that fits into the V-groove, respectively.