JPH0214073Y2 - - Google Patents

Description

[Detailed explanation of the invention] (1) Industrial application field This invention consists of a plurality of display caps each forming a display screen, which are closely connected and attached to a base to form a large-area display screen. This invention relates to a mosaic display panel that illuminates a predetermined display screen with a stored illuminator to display a graphic display, and in particular improves the engagement structure between the display cap and base to facilitate maintenance and improve display performance. This invention relates to a mosaic type display panel that aims to improve the performance.

(2) Conventional technology As shown in Figures 2 and 3, a mosaic display panel 1 has been used for system display, process control, etc.
The base 3 is made by closely integrating multiple basic frames 2.
A display screen is formed on the front surface, and a plurality of display caps 5 each containing an illumination body 4 are closely connected to the base 3 in correspondence with the basic frame 2. It has a structure in which it is attached.

However, the display cap 5 has an engaging portion 7a formed of a convex portion at the tip of the engaging leg 7 provided on its side wall.
is formed, and is attached to the base 3 by engaging it with the engaging part 9 consisting of a through groove formed in the side wall of the base, so that the display cap 5 can be attached to and detached from the base 3. At this time, the engaging leg 7 is curved inward of the display cap 5 by the thickness of the engaging portion 7a of the engaging leg 7.

Therefore, as shown in FIG. 2, when the illuminant 4 is arranged to fill the inner width of the display cap 5, there is no choice but to engage the illuminator 4 with the display cap 5, and the display cap 5 must be replaced for maintenance or the like. When doing so, it becomes necessary to remove the illuminant 4 as well, which makes work such as wiring for power supply to a light source (not shown) built in the illuminant 4 complicated. Further, as shown in FIG. 3, in order to make the display cap 5 and the illuminant 4 individually attachable to and detachable from the base 3 in order to avoid the troublesome removal work described above, the thickness of the engaging legs 7 of the display cap 5 must be Therefore, a gap must be provided between the display cap 5 and the illuminated body, which creates a non-illuminated area at the periphery of the display screen of the display cap 5, disrupting the continuity of the graphic display, and causing a mosaic display. This causes a significant deterioration in the display performance of the panel 1.

(3) Problems that the invention aims to solve This invention was devised in consideration of the above points.
By creating a structure that allows the display cap to be attached and detached while keeping the engaging legs straight, even if the display cap and illumination body are attached to and detached from the base individually,
The illuminant can be placed all the way inside the display cap, which eliminates the complexity of replacing the display cap and facilitates maintenance.It also reduces the area of the non-illuminated area around the periphery of the display screen, improving display performance. The purpose is to provide an improved mosaic display panel.

(4) Means for solving the problem In order to achieve the above objectives, as a result of various studies, the engaging part of the engaging leg of the display cap is shaped so that it does not protrude beyond the thickness of the engaging leg, and the display cap and illumination body are The present invention has been completed by creating a structure in which the parts are separately attached to the base. Therefore, in the present invention, a plurality of basic frames are closely connected and integrated to form a base, and a plurality of these are closely connected, and a side wall of a box-shaped display cap with a display screen formed on the front is attached to the base. In a mosaic display panel in which an engaging leg is formed, an illuminating body is housed inside the display cap, and this is attached to the base in correspondence with the basic frame, the display cap fits within the wall thickness of the engaging leg. The gist of the present invention is a mosaic type display panel, which is characterized in that a shaped engaging portion is formed, and a display cap and an illumination body are separately attached to a base from the front side of the display cap. In addition, the shape of the engaging portion of the engaging leg is suitably a recess, a through hole, or a through hole groove, and the engaging portion of the base that engages with the display cap is a base that is adjacent to the base frame corresponding to the display cap. A convex portion or the like provided on the outer surface of the side wall of the frame is suitable.

(5) Embodiment An embodiment of the present invention will be described below based on the drawings.

FIG. 1 shows a mosaic display panel according to an embodiment of the present invention, FIG. 1A is a partially exploded perspective view thereof, and FIG. 1B is a schematic sectional view of FIG. 1A. In the figure, a mosaic display panel 1 includes four basic frames 2 that are closely integrated to form a base 3, and a predetermined number of these bases 3 are closely connected vertically and horizontally in a grid pattern. The illumination body 4 is attached to the frame 2 from the front side thereof, and the display cap 5 is attached to the base 3 in correspondence with the basic frame 2 so as to cover the illumination body 4.

The base 3 is made of synthetic resin with high mechanical strength, and corresponds to the illuminant 4 and display cap 5.
In addition, it has an integrated structure in which four basic frames 2 whose front and bottom surfaces are open are brought into close contact with each other in a box shape, and each basic frame 2 has cut-out portions 6a and 6a at the front end of each side wall. Illuminant 4 consisting of through hole 6b
Engagement part 6 and display cap 5 for engagement with
A notch 8 is formed on the outer surface of each side wall for accommodating the engaging leg 7 provided on the side wall of the display cap 5, and a notch 8 is formed on the outer surface of each side wall to engage with the engaging leg 7 of the display cap 5 corresponding to the basic frame 2 adjacent to the basic frame 2. Engagement part 9 consisting of a convex part for
is installed protrudingly. Note that 10 is a groove formed on the outer surface of the side wall of the base 3 corresponding to the convex engaging portion 9 of the base 3 adjacent to the base 3, and after the close connection is completed, the base 3 located in the middle can be This is to make the removal work easier.

Further, the illuminant 4 houses a light source (not shown) such as a light emitting diode mounted on a substrate 12 in a lamp house 11 made of synthetic resin with excellent light reflection efficiency, and a filter 13 is disposed in front of the lamp house 11. The lamp house 11 has an engaging portion 11a formed of a convex portion on the outer surface of the opposite side wall to engage with the through hole 6b of the engaging portion 6 of the basic frame 2.
is formed.

The display cap 5 is made of transparent or non-transparent synthetic resin, and has a display screen on the front side.
It is formed into a box shape with an opening on the surface facing the front surface, and an engagement leg 7 for engagement with the base 3 is formed at the rear end of each side wall, and a base is provided at the tip of the engagement leg 7. An engaging portion 7a consisting of a through hole for engaging with the engaging portion 9 of the frame body 2 is provided. In addition, when the display cap 5 is made of a translucent resin, the display screen may be directly processed by means such as printing, painting, transfer, engraving, or film adhesion, or a display such as a board processed by the above-mentioned means may be printed on the display screen as necessary. Illumination patterns and non-illumination patterns of arbitrary shapes such as letters, symbols, or pictures are formed by applying materials, etc. In this case, the display screen of the display cap 5 for the non-illumination area is made non-transparent by printing, painting, etc. Provides optical properties. Further, when the display cap 5 is made of non-transparent resin, the display pattern is formed by hollowing out the display screen.

(6) Effect In order to attach the display cap 5 and the illumination body 4 to the base 3 in the structure of each member, the illumination body 4 is inserted from the front side of the basic frame 2, and the convex part of the lamp house 11 is inserted. The engaging portion 11a is accommodated in the through hole 6b of the engaging portion 6 of the basic frame 2, and is engaged by the spring effect of the notches 6a at both ends of the engaging portion 6. Next, when the display cap 5 is inserted into the basic frame 2 so as to cover the illuminant 4, the engaging legs 7 of the display cap 5 are housed in the notches 8 of the basic frame 2, and the engaging legs 7 The engaging portion 9, which is a convex portion of the basic frame 2 adjacent to the basic frame 2, is housed in the engaging portion 7a, which is a through hole, and is engaged. The engaging portion 7a of the display cap engaging leg 7 engages with an engaging portion 9 consisting of a convex portion of the basic frame 2, such as a recess or a through groove in addition to the above-mentioned through hole, and Any shape can be applied as long as it fits within the wall thickness.

(7) Effects of the invention As described above, the mosaic type display panel of the invention has a shape in which the engagement portion of the engagement leg with respect to the base of the display cap is within the thickness of the engagement leg, and the display cap and the illumination body. Since they are each attached to the base separately, there is no need to create a gap between the display cap and the illumination body for attaching and detaching the engaging parts of the engagement legs, and the illumination body can be attached to the entire inside of the display cap. Since the display cap can be attached and detached without removing the illuminant, it has various practical values such as improved display performance and easier maintenance.

[Brief explanation of the drawing]

Figure 1 shows one embodiment of the present invention.
Figure A is a partially exploded perspective view, Figure 1B is a schematic sectional view of Figure 1A, and Figures 2 and 3 are schematic sectional views of a conventional example. 1...Mosaic display board, 2...Basic frame, 3
. . . base, 4 .

Claims (1)

[Scope of claims for utility model registration] (1) A plurality of basic frames are closely connected and integrated to form a base, and a plurality of these are closely connected,
Engaging legs with the base are formed on the side walls of a box-shaped display cap with a display screen formed on the front surface, an illuminating body is housed inside the display cap, and the lighting body is made to correspond to the basic frame and attached to the base. In the attached mosaic type display panel, an engaging part having a shape that fits within the wall thickness of the engaging leg is formed, and the display cap and illuminant are each attached to the base separately from the front direction. A mosaic display panel. (2) The mosaic display board according to claim 1, wherein the engaging portion of the display cap engaging leg is a recess, a through hole, or a through groove. (3) A utility model registration request characterized in that the engaging portion of the base with the display cap is a convex portion provided on the outer surface of the side wall of the basic frame corresponding to the display cap and adjacent to the basic frame. A mosaic display panel as described in Scope 2.