JPH0546286Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] The present invention is formed into a long piece, and an LED can be mounted at any mounting position among the LED mounting positions provided in a row at appropriate intervals. This relates to an LED array mounting board used to light each LED.

[Conventional technology]

Conventionally, so-called curtain-like displays have been created in which a plurality of rod-shaped members made of transparent material are arranged in a line and hung, and LEDs attached to the inside of each rod-shaped member are emitted to emit light in a desired pattern. Are known.

Each rod-shaped member in such a curtain-shaped display is constructed as shown in FIG. 3, for example. That is, each rod-shaped member 1 has a pipe-shaped case 2 made of a transparent material, and an LED array mounting board 3 inserted and fixed into the case 2.

As shown in FIG. 4, the LED array mounting board 3 is an elongated, e.g. A power supply line 4 which is divided into a large number of sections by being interrupted by slits at appropriate intervals along the longitudinal center on the back surface of the substrate, and a power supply line 4 on one side of the substrate 3. A ground line 5 extending along the side edge is formed of a conductive pattern. The power supply line 4 and the ground line 5 have connection terminal portions 4a and 5a so that their upper ends are connected to an unillustrated LED drive circuit in the drawing.

In addition, each section of the power supply line 4 has both ends enlarged into a circular shape, and a through hole penetrating the substrate 3 is provided at the center, and adjacent sections of the power supply line 4 that face each other with one slit 4b in between are provided. The through-hole spacing should be the same as that for mounting on this board 3.
The distance between the two lead terminals of the LED is selected to be equal, and the adjacent through holes form the LED mounting position.

LED array mounting board 3 configured in this way
On the other hand, when mounting LEDs, for example, in the above-mentioned curtain-like display, the LED array mounting board 3 to be housed in each bar-shaped member 1 is arranged so that each bar-shaped member 1 displays a desired pattern of light emission.
The appropriate LED mounting position will be determined and the LED will be mounted at that LED mounting position.

At that time, as shown in FIG. 5, each LED 6 is
The lead terminal is inserted into an adjacent through hole, and the lead terminal is electrically connected to the enlarged portion of the conductive pattern around the through hole by soldering or the like. This allows each LED
6 is mounted at each LED mounting position, and the LED
6 are mounted in adjacent LED mounting positions, each LED 6 will be connected in series via the adjacent LED 6, but the
If the LED is not mounted at the LED mounting position,
LED 6, which is located lower in the drawing,
This means that power cannot be supplied.

Therefore, in areas where LEDs 6 are not mounted at the LED mounting positions, all LEDs 6 are connected in series and emitted light by soldering jumper wires 7 to the through holes, as shown in Figure 4. Ta.

[Problem that the invention attempts to solve]

However, in the LED array mounting board 3 having such a configuration, no LEDs are mounted.
If the LED mounting positions are continuous over a relatively long distance, the jumper wire 7 will also be long.
By soldering to the appropriate empty through-holes along the way, it is possible to prevent lateral deviation from occurring, but even so, the LED array mounting board 3 may be subjected to shocks. ,
This jumper wire 7 may shift laterally, and if this causes the jumper wire 7 to come into contact with the ground line 5, the power supply line 4 and the ground line 5 will be short-circuited at the contact part.
There was a problem in that power was not supplied to the LEDs 6 below this contact portion, and therefore these LEDs 6 could no longer emit light.

In view of the above points, the present invention has been developed to ensure that all the mounted LEDs emit light without causing jumper wire short-circuits even when there is a relatively long continuous section where no LEDs are mounted.
The purpose is to provide LED array mounting boards.

[Means and actions for solving problems]

The above object is achieved by providing an LED array mounting board having a conductive pattern on its back surface, which includes a power supply line extending along substantially the center of its length and interrupted by slits at appropriate intervals, and an earth line extending along one side edge of the length, and a plurality of LEDs connected in series by connecting two lead terminals of the LEDs to both sides of the slits of the power supply line, and a jumper line extending along the other side edge of the length of the back surface of the board and connected to the power supply side of the power supply line, which is formed by a conductive pattern,
This is achieved by connecting the power supply line and jumper line by a jumper wire on the power supply side of the slit where an LED is not mounted, and cutting the power supply side from the connection part of the jumper line by a cut, and connecting the power supply line and jumper line by a jumper wire on the power supply side of the slit further ahead where an LED is mounted.

According to this idea, if there is a slit in which no LED is mounted, the power supply line and the jumper line are connected by jumper wires on the power supply side for that slit and the slit beyond which the LED is mounted. The power supply line separated by the slit in the part where the LED is not mounted is electrically connected by the jumper line and the jumper line, and the power is supplied from the part of the jumper line where the jumper line is connected to the slit where the LED is not mounted. By cutting the jumper line on the side, each LED mounted in the slit in front of the slit can be prevented from being short-circuited by the jumper line and not emitting light. Therefore, since the jumper line is formed by the conductive pattern provided on the back side of the board, the jumper line will not shift laterally due to impact etc., so that the jumper line can be grounded. All the installed
This will ensure that the LED will emit light.

〔Example〕

Hereinafter, the present invention will be explained in more detail based on an embodiment shown in the drawings.

FIG. 1 shows an embodiment of an LED array mounting board according to the present invention. In this diagram,
The LED array mounting board 11 is a board such as a flexible board formed in a long length as in the case of FIG. The power supply line 12, which is divided into a large number of sections by being cut off, and the ground line 13, which extends along one side edge of the board 11, are formed of a conductive pattern, and the power supply line 12 is divided into many sections by being cut off. 12 and the ground line 13 have connection terminal portions 12a and 13a so that their upper ends are connected to an unillustrated LED drive circuit in the drawing, and each section of the power supply line 12 has a circular shape at both ends. A through hole is provided in the center of the board 11, and the distance between the through holes in adjacent sections facing each other across one slit 12b of the power supply line 12 is determined by the distance between the through holes that should be mounted on the main board 11.
The distance between the two lead terminals of the LED is selected to be equal, and the adjacent through holes form the LED mounting position.

The above structure is the same as that of the conventional LED array mounting board 3 shown in FIG. Along the opposite side edge, a jumper line 14 is formed by a conductive pattern. In the drawing, this jumper line 14 has an upper end that is connected to the power supply line 12.
It is connected to the connection terminal section 12a of.

The LED array mounting board 11 according to the present invention is configured as described above.
When mounting LEDs on the LED array mounting board 11, adjust them so that the desired light emitting pattern is obtained.
Determine an appropriate LED mounting position on the LED array mounting board 11, and at the LED mounting position, insert the lead terminal of each LED 15 into an adjacent through hole, and insert the lead terminal around the through hole. It is electrically connected to the expanded portion of the conductive pattern by soldering or the like, and thereby each LED 15 is mounted at its respective LED mounting position.

Here, if the LEDs 15 are mounted at adjacent LED mounting positions, each LED 15 will be sequentially connected in series via the adjacent LED 15, but if no LED is mounted at an intermediate LED mounting position In this case, power cannot be supplied to the LED 15 located below it in the drawing, so in the area where the LED 15 is not mounted at the LED mounting position, as shown in Fig. 1,
Slit 12b that constitutes the LED mounting position
Regarding this, the power supply line 12 and the jumper line 14 are connected by a jumper wire 16 on the power supply side of this slit 12b, and the jumper line 14
The power supply line 12 and the jumper line 14 are connected by the jumper wire 17 on the power supply side of the slit 14c where the LED is mounted. .

In this way, in a region where there is one or more slits 14b where no LED is mounted, by connecting the power supply line 12 and jumper line 14 on both sides of the region with jumper wires 16 and 17, no LED is mounted. Slit 14b
The power supply line 12 cut off by this is short-circuited by the jumper line 14, and thereby all the LEDs 15 are connected in series.
Further, by cutting the jumper line 14 on the power supply side of the region, each LED 15 cannot be short-circuited by the jumper line 14 at the portion where the power supply line 12 and the jumper line 14 are both connected to the power supply side. It's becoming like that.

Therefore, each LED 15 mounted on the present LED array mounting board 11 is connected as shown in FIG. This means that the light can be reliably emitted.

[Effect of idea]

As described above, according to the present invention, there is provided a power supply line that is formed in a long length, extends approximately along the center of the longitudinal direction, and is interrupted by slits at appropriate intervals; A ground line extending along one side edge is formed on the back side with a conductive pattern, and multiple LEDs can be connected by connecting two lead terminals of the LED to both sides of the slit of the power supply line. In an LED array mounting board configured to be connected in series, a jumper line extending along the other longitudinal side edge of the back surface of the board and connected to the power supply side of the power supply line is formed of a conductive pattern. Regarding the slits where LEDs are not mounted,
The power supply line and the jumper line are connected by a jumper wire on the power supply side of the slit, and the power supply side is cut by a notch from the connection part of the jumper line, and then the power is supplied on the power supply side of the slit where the LED is mounted. Since the line and jumper line are connected by jumper wire, if there is a slit where no LED is mounted, jumper wire is connected to the power supply side for that slit and the slit beyond that where LED is mounted. By connecting the power supply line and the jumper line, the power supply line separated by the slit in the part where the LED is not mounted is electrically connected by the jumper line and the jumper line, and the jumper line is connected to the jumper line.
When the jumper line is cut on the power supply side from the part where the jumper wire is connected to the slit where no LED is mounted, each LED mounted in the slit before the slit is short-circuited by the jumper line and does not emit light. This can be prevented.

Since the jumper line is formed by the conductive pattern provided on the back surface of the substrate, the jumper line will not be shifted laterally due to impact etc. This will ensure that all the mounted LEDs will emit light without causing a short circuit due to contact with the ground line.

Thus, according to the present invention, even if there is a relatively long continuous section where no LED is mounted, there will be no short circuit in the jumper wire, and all the mounted LEDs will be connected.
An extremely excellent LED array mounting board on which LEDs can reliably emit light can be provided.

[Brief explanation of the drawing]

Figure 1 is a rear view showing an embodiment of the LED array mounting board according to the present invention, and Figure 2 is the LED shown in Figure 1.
FIG. 2 is a circuit diagram showing a circuit configuration using an array substrate.
FIG. 3 is a cross-sectional view showing an example of a rod-shaped member used in a conventional curtain-shaped display, FIG. 4 is a rear view showing an example of an LED array mounting board accommodated inside the rod-shaped member of FIG. Figure 5 is arrow A in Figure 4.
It is a partially enlarged side view seen from the direction. 11... LED array mounting board, 12... Power supply line, 13... Earth line, 14... Jumper line, 15... LED, 16, 17... Jumper line.

Claims (1)

[Scope of utility model registration request] A power supply line that is formed into a long length, extends almost along its longitudinal center, and is interrupted by slits at appropriate intervals, and extends along one side edge of the longitudinal direction. A ground line is formed on the back side using a conductive pattern.
By connecting the two lead terminals of the LED to both sides of the slit in the power supply line above, multiple
In an LED array mounting board in which LEDs are connected in series, a jumper line that extends along the other longitudinal side edge of the back surface of the board and is connected to the power supply side of the power supply line is formed by a conductive pattern. Regarding a slit in which an LED is not mounted, the power supply line and the jumper line are connected by a jumper wire on the power supply side of the slit, and the power supply side is cut by a notch from the connection part of the jumper line, and further beyond that. of
An LED array mounting board characterized in that a power supply line and a jumper line are connected by a jumper wire on the power supply side of a slit on which an LED is mounted.