JPH086506A - Light emitting display device - Google Patents

Abstract

PURPOSE:To provide a light emitting display device for which the man-hours at the time of assembling this light emitting display device by using a light emitting display unit and the number of parts are decreased. CONSTITUTION:This light emitting display device has the light emitting display unit 10 arranged with plural light emitting diode lamps 11 and a case 20 for housing and holding the light emitting display unit 10 so as to expose the light emitting diode lamps 11. The peripheral edges of a light emitting substrate 12 or connecting substrate 13 constituting the light emitting display unit 10 are at least partly held by a holding member 23 disposed on the inside wall of the case 20, by which the light emitting display unit is easily positioned and fixed and the number of parts is decreased.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a light emitting display device for displaying characters and symbols.

[0002]

2. Description of the Related Art Conventionally, a light emitting display device for arranging a plurality of light emitting display units in which a plurality of LED lamps are arranged and displaying arbitrary characters or figures by driving these LED lamps is a display device for advertisement announcement. Is used as. As a light-emitting display device of this type, one having a structure shown in FIG. 3, for example, is known. The light emitting display device includes a light emitting display unit 30 in which a plurality of LED lamps 31 are arranged, a case 40 including a mounting plate 41 for fixing the light emitting display unit 30, and a cover 42 for protecting the light emitting display unit 30. By turning on the selected LED lamp 31 in the light emitting display unit 30, information such as characters and figures is displayed on the light emitting display device.

[0003]

In the conventional light emitting display device, the light emitting display unit 30 is usually mounted on the mounting plate 41 as shown in FIG. 4 (a).
The mounting portion 32 provided with 0 is pressed against the mounting plate 41, and mounting is performed by screwing from the opposite surface with a screw 43, and the screwing point is also shown in FIG.
As shown in the back view, the light emitting display unit 30 and the mounting plate 41
In order to maintain the mounting strength of 1), a method of screwing at 4 or more places per 1 light emitting display unit is adopted.

Therefore, in order to mount the light emitting display unit 30 on the mounting plate 41, the light emitting display unit 30 is fixed by a jig or manually, and the position of the mounting portion 32 and the screw hole provided in the mounting plate 41 is fixed. Assembling is also required, and the assembly work is extremely troublesome. In particular, since the light emitting display units 30 are connected to each other by the wiring cable 33 for exchanging the control signal, the plurality of light emitting display units 30 must be aligned at the same time, and many light emitting display devices are assembled. In some cases, mounting the light emitting display unit 30 requires a great deal of labor.

Further, in the conventional light emitting display device, the mounting portion 32 for fixing the light emitting display unit 30 and the mounting plate 41.
In addition to the screws 43 and the wiring 43, the wiring cable 33 is required, which causes an increase in the number of parts and a corresponding increase in the burden of the assembly work. In view of such problems, the present invention provides a light emitting display device that can reduce the number of steps and the number of parts when assembling the light emitting display device using the light emitting display unit.

[0006]

The present invention has the following constitution in order to achieve the above object. That is, the light emitting display device according to claim 1 is a light emitting display device having a light emitting display unit in which a plurality of light emitting diode lamps are arranged, and a case for housing and holding the light emitting display unit so that the light emitting diode lamps are exposed. A holding member for holding at least a part of the peripheral edge of the substrate forming the light emitting display unit is provided on the inner wall of the case.

[0007]

The holding member provided on the inner wall of the case of the light emitting display device holds at least a part of the peripheral edge of the light emitting substrate or the connection substrate constituting the light emitting display unit, so that the light emitting display unit can be easily positioned and fixed, and the number of parts can be increased. Can be reduced.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIG. FIG. 1 is a schematic view showing a mounted state of a light emitting display unit according to the present invention. This light emitting display device is an LED
Display board 12 in which a plurality of lamps 11 are arranged and display board 12
A light emitting display unit 10 having two substrates, a connection substrate 13 connected to the light emitting display unit 10, a mounting plate 21 for fixing the light emitting display unit 10, and a cover 2 for protecting the light emitting display unit 10.
2 and a holding member 23 provided on the inner wall of the case 20, and at least part of the peripheral edge of the connection board 13 is sandwiched by the holding member 23 provided on the inner wall of the case 20. To hold. still,
In this embodiment, the connection board 13 is sandwiched and held, but the display board 12 or the display board 12 and the connection board 13 are held.
Both substrates may be held.

Next, each component of the above light emitting display device will be described. First, the light emitting display unit 10 is an LED
A display substrate 12 in which a plurality of lamps 11 are arranged, a connection substrate 13 on which an electronic component 14 such as an IC for driving the LED lamp 11 is mounted, a steel conductive member 15 connecting the display substrate 12 and the connection substrate 13, It is composed of a reflection frame 16 for increasing the reflection efficiency of the LED lamp 11. In this embodiment, the light emitting display unit having two substrates, the display substrate 12 and the connection substrate 13, has been described. However, the connection substrate 13 connected to the display substrate 12 may be a plurality of substrates.
It is also possible to mount the LED lamp 11 and the electronic component 14 on 2 and not have the connection substrate 13. The sizes of the display substrate 22 and the connection substrate 23 may be the same as the conventional ones,
By expanding the holding member 23 in the direction in which the holding member 23 is provided, it is possible to easily sandwich the holding member 23 and to increase the holding strength.

The case 20 for accommodating and holding the light emitting display unit 10 is generally formed of a thin metal plate and has a mounting plate 21 for fixing the light emitting display unit 10 and the light emitting display unit 1.
And a cover 22 for protecting 0, and a holding member 23 for holding at least a part of the peripheral edge of the connection substrate 13 of the light emitting display unit 10 is provided on the inner wall of the mounting plate 21. In the present embodiment, the mounting plate 21 and the cover 22 have a substantially L-shaped cross section because the connection board 13 constituting the light emitting display unit 10 is sandwiched from above by the holding member 23, but the shape is limited to this. Not a thing.

Next, the shape of the holding member 23 will be described with reference to FIG. The holding member 23 shown in FIG.
Has a substantially rectangular parallelepiped shape as a whole, and a groove portion having a width equal to or less than the thickness of the substrate is formed in a portion sandwiching the display substrate 12 or the connection substrate 13 to fit the substrate. This holds the substrate. The holding member 23 shown in FIG. 2B has the same overall shape as the holding member 23 described above, but an elastic member 24, which is integral or separate, is provided inside the groove at the portion holding the substrate. The substrate holds by the elastic force of. The holding member 23 shown in FIG. 2 (c) has an elastic force by making the front end portion for holding the substrate into a substantially L-shaped cross section, and holds the substrate by this elastic force. The holding method may be a combination of any of the methods.

The holding member 23 may be made of metal or resin such as PVC. The holding member 23 may be attached to the attachment plate 21 by fixing with an adhesive or screwing. Although the holding member 23 is provided on the inner wall of the mounting plate 21, it may be provided on the inner wall of the cover 22. Further, the holding member 23 is provided on the inner walls of both the mounting plate 21 and the cover 22, and the display substrate 12 or the connection substrate 13 is vertically arranged. You may sandwich. In this case, since it is sandwiched from the up and down direction, the holding strength can be further enhanced.

The holding member 23 may be a separate member or may be formed integrally with the mounting plate 21 or the cover 22. Further, the holding member 23 is used as an electrically connectable connector, and wiring is arranged at a portion of the display substrate 12 or the connection substrate 13 sandwiched by the holding member 23.
3 is electrically connected to the substrate, the power supply voltage is supplied to the light emitting display unit 10 and the light emitting display unit 10 is connected.
Control signals can be exchanged between them, and the conventionally used wiring cable 33 becomes unnecessary.

[0014]

By holding at least a part of the peripheral edge of the light emitting substrate or the connection substrate of the light emitting display unit by the holding member provided on the inner wall of the case of the light emitting display device, positioning and fixing can be easily performed and the number of parts is increased. Can be reduced.

[Brief description of drawings]

FIG. 1 is a schematic view showing a mounted state of a light emitting display unit of the present invention.

FIG. 2 is a perspective view showing a holding member used in the present invention.

FIG. 3 is a perspective view showing a conventional light emitting display device.

FIG. 4 is a schematic view showing a mounting state of a conventional light emitting display unit.

[Explanation of symbols]

 10 Light-Emitting Display Unit 11 LED Lamp 12 Display Board 13 Connection Board 20 Case 21 Mounting Plate 22 Cover 23 Holding Member

Claims (1)

[Claims] 1. A light emitting display device comprising: a light emitting display unit having a plurality of light emitting diode lamps arranged therein; and a case accommodating and holding the light emitting display unit so that the light emitting diode lamps are exposed, wherein the light emitting display is provided on an inner wall of the case. A light emitting display device, comprising: a holding member that holds at least a part of a peripheral edge of a substrate that constitutes a unit.