JPH0224140Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention is a light emitting diode (hereinafter referred to as LED) that is installed in display panels of communication equipment, electronic equipment, etc.
The present invention relates to a positioning mechanism.

Recently, LED display panels have been widely used in various fields. This is due to the fact that mass production of LEDs has led to lower costs, making them available at lower prices, and that the operation of LEDs has become more stable.

However, these LEDs are still unreliable in terms of dimensional accuracy, and especially in display panels that use a large number of LEDs side by side, it takes a lot of time and effort to adjust the posture and position of the LEDs themselves, as well as variations among them. and are consuming.

Therefore, there is a strong demand for the development of an LED positioning mechanism that has a function of automatically correcting the posture and position of the LED.

[Conventional technology]

FIG. 3 is a side sectional view for explaining a conventional LED positioning mechanism, in which a shows a front view and b shows a side view.

As shown in Figures a and b, the conventional positioning mechanism includes a printed board 6 and a support plate 9 disposed on the printed board 6 with a spacer 7 interposed therebetween. The support plate 9 is fixed to the spacer 7 by fixing screws 8.

The positions of the lead holes 9' and 6' provided in the support plate 9 and printed board 6, respectively, are provided at positions corresponding to the LED windows 2' of the display panel 2 on which the LEDs 1 are mounted.

On the other hand, the lead 1c of the LED 1 is inserted into the lead hole 6' of the printed board 6 through the lead hole 9' of the support plate 9, but the protrusion 1d provided on the lead 1c passes through the lead hole 9'. As a result, the LED 1
The vertical position of is determined by the support plate 9.

positioned in a predetermined position by the above means.
Lead 1c of LED1 will be connected to printed board 6 in the next process.
It is soldered on the soldering surface 6a.

However, these LEDs 1 originally do not have good dimensional accuracy in the front, rear, left, and right directions (arrow E-E' direction and arrow F-F' direction), and there are also variations in the height H from the protrusion 1d to the light emitting surface 1'. Therefore, the above
There were problems in that it became impossible to insert the LED into the window 2' and that unevenness occurred in the position of the light emitting surface 1'.

[Problem that the invention attempts to solve]

The present invention has been made in order to solve the above-mentioned problem, that is, troubles during LED assembly work caused by variations in the dimensions of LEDs.

[Means for solving problems]

As shown in FIG. 1, the LED positioning mechanism according to the present invention includes a holding plate 3 equipped with a guide hole 3' provided corresponding to the LED window 2' of the display panel 2;
a cushion 4 equipped with a cut 4' provided corresponding to the guide hole 3'; a substrate 5 equipped with a lead hole 5' provided corresponding to the guide hole 3' and the cut 4'; The cushion 4 is disposed such that the main body portion 1a is inserted into the guide hole 3' and is disposed between the presser plate 3 and the substrate 5.
and a spacer 7 for holding the light emitting diode 1 on the printed board 6, with the collar portion 1b thereof being sandwiched between the spacer 7 and the spacer 7.

[Effect]

This LED positioning mechanism is located on the display panel 2.
The LED 1 is positioned in the longitudinal and lateral directions by the action of the holding plate 3, which is equipped with a guide hole 3' provided corresponding to the LED window 2'. Function LED
Since the LED 1 is configured to be positioned in the vertical direction, the mounting work of the LED 1 on the display panel 2 is significantly streamlined.

〔Example〕

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

1A and 1B are diagrams for explaining the positioning mechanism of a light emitting diode according to the present invention, in which FIG. 1A is a perspective view of the main part, and FIG. 1B is a side sectional view of the main part.

However, the same reference numerals indicate the same objects throughout the figures.

Since the present invention relates to an improvement of the LED positioning mechanism, only the improved portion will be explained with emphasis, and explanations that overlap with those described above will be omitted as appropriate.

As shown in Figure 1 a and b, the LED of the present invention
The positioning mechanism includes a holding plate 3 equipped with a guide hole 3' provided corresponding to the LED window 2' of the display panel 2, and a cushion equipped with a cut 4' provided corresponding to the guide hole 3'. 4, a substrate 5 equipped with a lead hole 5' provided corresponding to the guide hole 3' and the cut 4', and a main body portion 1a arranged so as to be inserted into the guide hole 3' of the holding plate 3. , and the light emitting diode 1 is placed on the printed board 6 with its collar portion 1b pressed against the holding plate 3 by the cushion 4 placed between the holding plate 3 and the substrate 5. It is constituted by a spacer 7 for holding.

The positioning mechanism according to the present invention will be explained below in accordance with the order of assembly steps.

First, the LED 1 is mounted from the direction of arrow D on the positioning mechanism 10 with only the holding plate 3 in an unassembled state. The lead 1c of the LED 1 is inserted into the lead hole 5' of the substrate 5 via the cut 4' of the cushion 4.

In the next step, the holding plate 3 is attached to the substrate 5 from the direction of arrow D using the holding plate screws 11, and the holding plate 3 is provided with a guide hole 3'. Thus, the main body 1a and the light emitting surface 1' of the LED 1 are guided in a direction that fits into the LED window 2' of the display panel 2.

Then, the LED 1 with the main body 1a inserted into the guide hole 3' is pushed up from below by the cushion 4 with an even force on the collar 1b, so that it is inevitably corrected to a vertical posture, which is different from the conventional example. Stated
The inclination of the LED 1 in the front, rear, left and right directions is also corrected at the same time.

The accuracy of the dimension h between the top surface of the brim portion 1b and the light emitting surface 1' is the highest precision manufactured among the LEDs 1, so the light emitting surface 1' and the top surface of the display panel 2 are at the same height level without any unevenness. can be kept.

FIG. 2 is a perspective view showing an embodiment of the structure of the constituent members of the positioning mechanism of the present invention.

As shown in the figure, the holding plate 3 is made of a metal plate, such as an aluminum plate, and includes a plurality of guide holes 3' corresponding to the LED windows 2' of the display panel 2 and positioning holes for passing the holding plate screws 11. 12 are provided.

The cushion 4 is made of an elastic material such as sponge or rubber, and has a cut 4' for passing the lead 1c of the LED 1 including the protrusion 1d of the LED shown in FIG.

The substrate 5 supporting the cushion 4 is made of an insulating material such as a Bakelite plate, and is provided with a lead hole 5' through which the lead 1c passes and a screw hole 13 into which the holding plate screw 11 is screwed. .

[Effect of idea]

As explained in detail above, the LED according to the present invention
The positioning mechanism is an LED that can be efficiently and automatically mounted on the display panel by attaching simple parts.
This has a great effect in that it can correct the posture and placement position of the person.

[Brief explanation of the drawing]

FIG. 1 is a diagram for explaining the positioning mechanism of a light emitting diode according to the present invention, in which a is a perspective view of the main part, b is a side sectional view of the main part, and FIG. 2 is a diagram showing the constituent members of the positioning mechanism of the present invention. FIG. 3 is a perspective view showing the structure of an embodiment, and FIG. 3 is a side sectional view for explaining a conventional LED positioning mechanism, in which a is a front view and b is a side view. In the figure, 1 is an LED, 2 is a display panel, 3 is a holding plate, 3' is a guide hole, 4 is a cushion, 4' is a cut, 5 is a board, 5' is a lead hole, 6 is a printed board,
7 is a spacer, 8 is a fixing screw, 9 is a support plate, 10
11 is a positioning mechanism, 11 is a holding plate screw, 12 is a positioning hole, and 13 is a screw hole.

Claims (1)

[Claims for Utility Model Registration] A light emitting diode positioning mechanism for controlling the position and orientation of a light emitting diode 1 mounted on a display panel 2, comprising a guide hole provided corresponding to the LED window 2' of the display panel 2. 3', a cushion 4 equipped with a cut 4' corresponding to the guide hole 3', and a lead provided corresponding to the guide hole 3' and the cut 4'. The base plate 5 is equipped with a hole 5', and the cushion 4 is disposed so that the main body 1a is inserted through the guide hole 3' and between the presser plate 3 and the base plate 5. A light-emitting diode positioning mechanism comprising: a spacer 7 for holding the light-emitting diode 1 on a printed board 6, the light-emitting diode 1 being placed in such a manner that its collar portion 1b is held between the spacers;