JPH073620B2 - Display device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Outline] The present invention relates to a display device in which a plurality of display units including a plurality of display elements are collected to form a collective display surface, and the display unit is provided between a display unit and a frame supporting the display unit. By providing a guide rail, a receiver, a retainer, a concave portion, and a convex portion that fits in the concave portion, a plurality of display units can be accurately and surely fixed at desired positions, respectively, and an attaching mechanism for attaching and detaching means is provided. It can be a display device.

[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 electronic bulletin board or the like that is mounted on a vehicle and is movable.

[Conventional technology]

FIG. 10 is a side view of a conventional display device, and FIG. 11 is a top view of a conventional slide type display device.

As shown in FIG. 10, the conventional display device has a plurality of display elements.
The lamp box 33 provided with 31 on the display surface 32 and the control printed board 34 were separated, and a cable 35 was connected between them.

Further, as shown in FIG. 11, in the conventional display device in which the lamp box 33 is slidably mounted and supported, the support 38 of the lamp box 33 is guided by the arrow F along the guide rail 36 fixed to the frame 37.
It was moved in the direction and put on and taken off.

[Problems to be solved by the invention]

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, so that the length of the cable 35 is increased and the voltage drop is increased, There was a problem that it was easy to pick up noise.

Further, in the conventional display device that mounts and supports the lamp box 33 in a sliding manner, since the lamp box 33 is positioned and supported only by the guide rail 36, there is a problem that the lamp box 33 is displaced in the arrow E direction due to vibration or inclination. was there. Even in a display device using a method other than the above-mentioned slide type, there is a similar problem because the device for supporting and fixing the lamp box 33 is not sufficient.

In particular, recently, not only fixed display type display devices but also in-vehicle type display devices have come to be used. Therefore, a device for securely fixing and supporting a plurality of display units has been demanded.

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

[Means for solving problems]

The above-mentioned problem is a display unit (15) including a lamp box (13) provided with a plurality of display elements (11) on a display surface (12) and a control printed board (14) integrated with the lamp box (13). In a display device comprising: a guide rail (16) that slides and holds the display unit (15), a frame (17) that fixes the guide rail (16), and the frame (17) and the display unit ( This is achieved by providing a display device characterized in that either one of (15) is provided with a receiving tool (18) and the other is provided with a holding tool (19).

According to the present invention, as shown in FIGS. 1 to 9, in a display device in which a plurality of display units having a plurality of display elements are collected to form a collective display surface, the plurality of display elements 11 are combined with the display surface 12. A lamp unit 13 provided on the display unit, a display unit 15 including a control printed board 14 integrated with the lamp unit 13, and a guide rail that slides and holds the display unit 15.
16, a frame 17 for fixing the guide rail 16, a receiving member 18 on one of the frame 17 and the display unit 15, and a holding member 19 on the other, and the frame 17 and the display unit 15 Recessed portion 20, convex portion that fits into the other recessed portion
21 is adopted.

The display element 11 serves as a pixel when displaying on a collective display surface, and usually a fluorescent discharge tube, an incandescent lamp, a light emitting diode or other light emitting body is preferably used. It may be something other than.

The lamp box 13 is a box in which a plurality of display elements 11 are arranged on the display surface 12.

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

The upper control print board 14 controls the display of each display element 11 to perform display on the collective display surface.

The frame 17 is a support member for collecting the display units 15 to form a collective display surface. Each display unit is incorporated into this frame to form an integrated display surface.

The receiving member 18 and the pressing member 19 are means for stopping the movement of the display unit 15 in the attachment / detachment direction and fixing the same, and for example, both are key-shaped and can be preferably connected. However, it may be something other than this.

The concave portion and the convex portion fitted into the concave portion are the display unit 15
It is preferable to use a V-shaped groove and a protrusion having a structure capable of being inserted and fixed corresponding to the V-shaped groove, which is a means for accurately fixing the assembling position.

[Action]

In the display device of the present invention, since the display unit 15 is formed by integrally forming the lamp box 13 and the control printed board 14, a cable connecting the both is unnecessary, and an increase in voltage drop and noise can be reduced.

Guide rail that slides and holds the display unit 15
The 16 allows the display unit to be easily attached and detached and supported.

Receiving device on either frame 17 or display unit 15
18 and a pressing unit 19 on the other side, the display unit
15 can be fixed so that it does not slip in the detaching direction or come off.

Recessed in either frame 17 or display unit 15 above
20, by providing the convex portion 21 that fits in the concave portion on the other side, the display unit 15 can be fixedly supported at an appropriate position,
An integrated display surface can be formed.

〔Example〕

An embodiment of the present invention will be described in detail below with reference to the drawings.

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 view of the mounting of the display unit using a guide rail, in which (a) is a front view. Fig., (B) is a side view, Fig. 4 is an explanatory view of fixing means using a receiving tool and a pressing tool, Fig. 5 is a perspective view of the receiving tool and the pressing tool, and Fig. 6 is a side view of the receiving tool and the pressing tool. FIG. 7 is an explanatory view of the attaching / detaching state of the presser, FIG. 8 is an explanatory view of the attaching / detaching state of the convex portion of the concave portion (top view), and FIG.

The present embodiment was applied to a vehicle-mounted electronic notice board capable of electronic notice using a fluorescent discharge tube as a display element.

As shown in FIG. 1 and FIG. 2 (the direction of the arrow A in FIG. 1), a display unit 15 includes a lamp box 13 having a plurality of display elements 11 (only a part of which is depicted and the rest omitted) on a display surface 12. The control printed board 14 is integrated. Since the wiring connecting the lamp box 13 and the control printed board 14 can be performed by the short flexible printed board 22, a cable for long connection is not required, and it is possible to reduce voltage drop and noise and to reduce the entire display device. Can be made compact. The wiring of the control printed board 14 is the printed board 24
And the connector 23 are brought into contact with each other for connection.

Next, the guide rails 16 for slidingly sandwiching the display unit 15 are arranged side by side on the frame 17 (in FIG. 1, the guide rails 16 are partially drawn and other points are omitted). The guide rail is a concave groove rail, and the control printed board 14 can be slid in the groove.
The guide rail 16 is fixed to the frame 17 so as to be sandwiched above and below the control printed board 14 as shown in FIG. 3 (b). Therefore, there is little lateral movement, and the display unit 15 can be easily attached and detached.

Next, as shown in FIGS. 4 to 7, a holding member 19 is provided on the frame 17 side and a receiving member 18 is provided on the display unit 15 side. As shown in FIG. 4, when the display unit 15 reaches the position shown by the dotted line, the keys of the receiving member 18 and the holding member 19 are connected to each other, and the display unit 15 is fixed so as not to move in the arrow B direction. This prevents the display unit from popping out even if the display device vibrates or tilts.

FIG. 5 shows an example of the receiving tool 18 and the presser foot 19.
Reference numeral 19 is a U-shaped rail for fixing a large number of receivers 18 movably attached to the frame 17 with screws 25. FIG. 6 shows the movement of the presser foot 19 when attaching and detaching. As shown in Fig. 7 (Fig. 4 B arrow direction),
The frame 17 is provided with a dogleg-shaped cutout, and when the display unit is fixed, the holding member 19 is lowered and fixed with the screw 25 as shown in FIG. Screw 25 to release the display unit
Loosen and lift the work clamp 19 as shown in FIG. The vertical movement of the presser foot 19 is indicated by an arrow D in FIG.

Next, as shown in FIG. 8, the frame is provided with a concave portion (here, a V groove is used) 20, and the display unit 15 side is provided with a convex portion 21 (protrusion) which fits into the concave portion. In the side view of FIG. I used the fixture to reverse the position of the convex part. Since the mounting position of the display unit 15 with respect to the frame 17 can be accurately fixed by the concave portion 20 and the convex portion 21 that fits in the concave portion, it is possible to form an integrated display surface even if the display device vibrates or tilts. You can

〔The invention's effect〕

As described above, the display device of the present invention can reduce an increase in voltage drop and noise and can easily attach and support the display unit to and from the frame, and the support can be attached in the attaching and detaching direction. The display unit 15 can be fixed at an appropriate position without being displaced or separated. Therefore, it is possible to form an integrated collective display surface that does not deteriorate the display effect even when applied to a vehicle-mounted display device.

[Brief description of drawings]

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 view of the mounting of the display unit using a guide rail. Fig., (B) is a side view, Fig. 4 is an explanatory view of a fixing means using a receiver and a presser, Fig. 5 is a perspective view of the receiver and the presser, and Fig. 6 is a side view of the receiver and the presser. , FIG. 7 is an explanatory view of the attaching / detaching state of the presser, FIG. 8 is an explanatory view of the attaching / detaching state of the convex portion of the concave portion (top view), FIG. 9 is an explanatory diagram of the attaching / detaching state of the convex portion of the concave portion (side view), and FIG. FIG. 11 is a side view of a conventional display device, and FIG. 11 is a top view of a conventional slide type 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 receiver, and 19 is Presser foot, 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.

Claims (2)

[Claims] A display unit (15) comprising a lamp box (13) provided with a plurality of display elements (11) on a display surface (12) and a control printed board (14) integrated with the lamp box (13). ), A guide rail (16) for slidingly sandwiching the display unit (15), a frame (17) for fixing the guide rail (16), and the frame (17) and the display unit. A display device comprising a receiving tool (18) on one of the (15) and a holding tool (19) on the other. 2. The frame (17) and the display unit (15)
The concave portion (20) is provided on one of the two, and the convex portion (21) that fits into the concave portion is provided on the other, and the concave portion (20) and the convex portion (21) are V-grooves and protrusions, respectively. Display device described.