KR20100031154A - Direct arrangement type led lighting device without interface - Google Patents

Abstract

The present invention relates to an LED lighting device, and in particular, when a large number of direct-positioning LED lighting devices are disposed adjacent to each other to manufacture a large LED lighting device, a non-light emitting interface that can occur between the LED lighting devices can be eliminated. The present invention relates to an LED lighting device having a direct interface with an interface.

To this end, the present invention is a direct-type LED lighting device having a borderless surface, a container having a plurality of light source elements installed on the inner bottom surface, a light guide plate attached to the container, and a diffusion plate integrally attached to the light guide plate Characterized in that it comprises a.

Accordingly, in the present invention, when a large number of LED lighting devices are directly connected to each other, the light emitting interface is not formed at the connection portion of the large LED lighting device. It is possible to give a more beautiful feeling according to the aesthetics accordingly.

Description

DIRECT ARRANGEMENT TYPE LED LIGHTING DEVICE WITHOUT INTERFACE}

The present invention relates to an LED (LED) lighting device, in detail, when manufacturing a large LED lighting device by arranging a plurality of direct-positioning LED lighting devices adjacent to each other, it is possible to eliminate the light-emitting interface that occurs between the LED lighting devices. It relates to an LED lighting device of a direct placement method having a borderless interface.

Figure 1 shows a conventional LED lighting device of the direct placement method.

As shown in FIG. 1, a conventional LED lighting apparatus having a direct placement method includes a container 1 having an LED circuit board 5 installed on an inner bottom surface thereof, and a plurality of LED lighting boards mounted on an LED circuit board 5 to emit light. Top cover for attaching the LED 2, the diffuser 3 to receive and diffuse the light emitted from the LED 2 to form a uniform light emitting surface, and to attach the diffuser 3 to the top of the container 1 It includes (4).

Figure 2 is a view from above of a conventional direct placement type LED lighting device.

As shown in FIG. 2, the light emitting surface is formed by the diffuser plate 3 in the center of the conventional LED lighting device of the direct placement method, but it can be seen that there is a non-light emitting portion at the edge due to the top cover 4. .

Figure 3 is a view from above of a large LED lighting device produced by arranging a conventional LED lighting device of the direct arrangement below.

As shown in FIG. 3, it can be seen that the light-emitting interface is formed at the connection portion of the large-scale LED lighting device because of the non-light emitting portion at the edge of the conventional direct placement LED lighting device.

As described above, when a large LED lighting device is manufactured by adjacently arranging LED lighting devices of a conventional direct placement method, since no light emitting interface is inevitably generated, many lighting companies improve from clients requesting the production of large LED lighting devices. The situation is being asked.

In fact, when looking at a large LED lighting device that is manufactured and installed, the non-light emitting interface generated at the connection part of the large LED lighting device is unobtrusive and has a problem that is not good to see.

On the other hand, the light emitted from the plurality of LEDs 2 on the inner bottom of the container 1 must reach the diffuser plate 3 while mixing sufficiently, so that the light emitting surface of the diffuser plate 3 does not form afterglow. Since it can be formed, the depth of the container 1 must be secured to some extent.

Therefore, the conventional direct placement type LED lighting device is significantly thickened due to the depth of the container (1) increases the volume of the product, there is a problem that it does not look good because it gives a feeling of protruding forward when installed on the ceiling or wall.

The present invention has been made to solve the above problems, when manufacturing a large LED lighting device by connecting a plurality of direct-positioned LED lighting device is not formed on the connection portion of the large LED lighting device without a light emitting interface An object of the present invention is to provide an LED lighting device of a direct placement method configured to form one light emitting surface as a whole.

In addition, an object of the present invention is to provide an LED lighting device of the direct placement method configured to reduce the depth of the container without remaining after the LED on the light emitting surface.

To this end, the present invention is a direct-type LED lighting device having a borderless surface, a container having a plurality of light source elements installed on the inner bottom surface, a light guide plate attached to the container, and a diffusion plate integrally attached to the light guide plate Characterized in that it comprises a.

In addition, the present invention is a manufacturing method of the LED lighting device of the direct placement method having a borderless surface, a light guide plate diffuser plate integrated by integrating a light guide plate for inducing light and a diffuser plate to diffuse the light guided by the light guide plate to form a light emitting surface Producing a structure, providing a container in which the plurality of light source elements for emitting light is installed, and attaching the light guide plate integrated plate integrated structure on the container.

Preferably, the light guide plate diffuser integrated structure is formed by inserting the diffuser plate into a mold and injecting the liquid material used to manufacture the light guide plate into the mold to solidify the liquid material to the diffuser plate, or to form the light guide plate. The diffusion plate may be simultaneously extruded and integrated, or a separately manufactured light guide plate and a diffusion plate may be integrated by surface bonding.

As described above, the present invention, when manufacturing a large LED lighting device by connecting a plurality of direct-positioned LED lighting device is arranged, since the non-light emitting interface is not formed in the connection portion of the large LED lighting device as a whole light emitting surface There is an effect that can be formed and thus give a more beautiful appearance aesthetically.

In addition, since the present invention can reduce the depth of the container can reduce the thickness and volume of the LED lighting device of the direct placement method, it is easy to manage the product, it is possible to reduce the feeling of protrusion when installed on the ceiling or wall There is an effect that can give a more beautiful look.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 4 shows the LED lighting device of the direct placement method according to an embodiment of the present invention.

As illustrated in FIG. 4, the LED lighting apparatus of the direct placement method according to the present invention is mounted on the container 10 having the LED circuit board 21 installed on the bottom surface thereof, and mounted on the LED circuit board 21 to emit light. A plurality of LEDs 20, a light guide plate 31 for receiving the light emitted from the LED 20, and a diffuser plate 32 to diffuse the light guided by the light guide plate 31 to form a uniform light emitting surface ).

In this case, the container 10 has a long sidewall, which does not extend to the diffusion plate 3 as shown in FIG. 1, but extends only to the lower part of the light guide plate 31, thereby reducing the depth of the container 10.

In addition, in the present invention, the light guide plate integrated structure 30 in which the light guide plate 31 is integrated with the diffuser plate 32 is adopted using the light guide plate 31 which has not existed in the LED lighting apparatus of the conventional direct placement method.

The light guide plate 31 serves to guide and guide the light emitted from the plurality of LEDs 20 to the diffuser plate 32, even though the light of the LED 20 is not secured at a predetermined distance as in the conventional light guide plate 31. Since the mixture can be sufficiently mixed by the induction of), the thickness can be reduced compared to the conventional LED lighting device of the direct arrangement.

The light guide plate diffuser integrated structure 30 is attached over the container 10. 5 illustrates a structure in which the light guide plate diffuser integrated structure 30 is attached to the container 10 in detail.

The lower portion of the light guide plate diffuser plate integrated structure 30 may be provided with a groove 42 so that the light guide plate diffuser plate integrated structure 30 may be mounted on the sidewall of the container 10. The light guide plate diffuser plate integrated structure 30 is fixed on the container 10 using an adhesive 41 between the groove 42 of the light guide plate diffuser integrated structure 30 and the sidewall of the container 10.

In addition, the bottom of the container 10 is provided with a bolt hole, the bolt 40 inserted through the bolt hole is stuck in the light guide plate 31 and the light guide plate diffuser plate integrated structure 30 through the bolt 40 is a container ( 10) can be more firmly fixed.

6 is a view from above of the LED lighting device of the direct placement method of the present invention.

As shown in FIG. 6, since the light guide plate diffuser integrated structure 30 is directly attached to the container 10, there is no light-emitting portion at the edge as in the prior art, and the entire surface forms a light emitting surface.

Figure 7 is a view from above of a large LED lighting device produced by arranging a plurality of LED lighting devices of the direct placement method of the present invention adjacently.

As illustrated in FIG. 7, since the LED lighting device of the direct placement method of the present invention does not have a light emitting portion at the edge, a light emitting surface does not occur at the connection portion of the large LED lighting device and the whole light emitting surface is formed. Will form.

In the case where a plurality of LED lighting apparatuses of the direct placement method of the present invention are disposed adjacent to each other, the outer surface of the light guide plate 31 is in surface contact with the outer surface of another adjacent light guide plate. Since the light emitted from the LED can be guided into adjacent light guide plates by the surface contact between the two light guide plates, the edge of each light emitting surface becomes brighter than before.

The light guide plate integrated plate integrated structure 30 may be manufactured by various methods, and there are four methods described below.

First, as a liquid molding method, the diffusion plate 32 manufactured by the conventional method is inserted into a mold mold, and then a liquid plastic resin used for manufacturing the light guide plate 31 is injected into the mold mold and molded. Alternatively, the liquid plastic resin used for manufacturing the diffusion plate 32 may be injected into a mold to form a thickness of the diffusion plate 32, and then the liquid plastic resin used for manufacturing the light guide plate 31 may be injected into a mold for molding. . The liquid plastic resin used to manufacture the light guide plate 31 adheres to the surface of the diffuser plate 32 and solidifies, thereby manufacturing the light guide plate diffuser plate integrated structure 30. The groove 42 provided in the lower portion of the light guide plate 31 may be made in a mold mold or processed after molding.

Secondly, as an injection molding method, the diffusion plate 32 manufactured by the conventional method is inserted into an injection mold, and then a liquid plastic resin is injected into an injection mold using an injection molding machine and molded. The groove 42 provided in the lower portion of the light guide plate 31 may be made in an injection mold or processed after molding.

Third, as the extrusion method, extrusion of the light guide plate 31 and extrusion of the diffusion plate 32 proceed simultaneously to be bonded. In the extrusion method, a single light guide plate diffuser plate integrated structure 30 is not molded, but a panel in which the light guide plate and the diffuser plate are integrated is molded. The panel is cut to fit the size of the container 10 so that the light guide plate diffuser plate integrated structure 30 is formed. ). The groove 42 provided in the lower portion of the light guide plate 31 is processed after cutting the panel.

Fourth, as a bonding method, the light guide plate 31 and the diffusion plate 32 are separately manufactured, and then the bonding surface is heated or integrated with a transparent adhesive. The groove 42 provided in the lower portion of the light guide plate 31 may be processed in the light guide plate 31 before bonding or after the bonding.

The light guide plate integrated plate integrated structure 30 may be generally manufactured in a rectangular shape, but may be manufactured in a triangular, star, or various curved shapes.

Those skilled in the art can improve or change the technical idea of the present invention in various forms. Therefore, it should be understood that the embodiments of the present invention described with reference to the drawings should not be construed as limiting the technical spirit of the present invention, and the protection scope of the present invention is limited only by the matters described in the claims.

1 is a view showing an LED lighting device of the conventional direct placement method.

Figure 2 is a view from above of a conventional direct placement type LED lighting device.

Figure 3 is a view from above of a large LED lighting device produced by connecting a plurality of conventional direct placement LED lighting device arrangement.

4 is a view showing an LED lighting device of the direct placement method according to the present invention.

5 is a view showing a coupling structure of the LED lighting device of the direct placement method according to the present invention.

Figure 6 is a view from above of the LED lighting device of the direct placement method according to the present invention.

Figure 7 is a view from above of a large LED lighting device produced by connecting and arranging a plurality of LED lighting device of the direct arrangement according to the present invention.

Claims (11)

A container having a plurality of light source elements installed on an inner bottom thereof, A light guide plate attached to the container; And a diffuser plate integrally attached to the light guide plate. The method of claim 1, When the plurality of lighting devices are disposed adjacent to each other, the outer surface of the light guide plate is in surface contact with the outer surface of the adjacent light guide plate, And light from the plurality of light source elements is guided to the adjacent light guide plate via the light guide plate. The method of claim 1, A bolt hole is provided at the bottom of the container, And the light guide plate is fixed to the container through the bolt while the bolt inserted through the bolt hole is embedded in the light guide plate. The method of claim 1, And a groove for attaching the container to the lower portion of the light guide plate. The method of claim 1, The light source element is an illumination device, characterized in that the LED. Manufacturing a light guide plate diffuser plate-integrated structure by integrating a light guide plate for inducing light and a diffuser plate for diffusing light induced by the light guide plate to form a light emitting surface; Providing a container having a plurality of light source elements emitting the light; And attaching the light guide plate diffuser plate integral structure onto the container. The method of claim 6, The manufacturing of the light guide plate diffuser plate integrated structure includes inserting the diffuser plate into a mold and injecting a liquid material used to manufacture the light guide plate into the mold. And the liquid substance adheres to and solidifies the diffuser plate to form the light guide plate diffuser integrated structure. The method of claim 7, wherein The mold is an injection mold and the liquid material is injected through an injection molding machine. The method of claim 6, The manufacturing of the light guide plate diffuser plate integrated structure includes manufacturing the light guide plate and the diffuser plate by simultaneously extruding and integrating the light guide plate. The method of claim 6, The manufacturing of the light guide plate diffuser plate integrated structure may include integrating a separately manufactured light guide plate and a diffuser plate by surface bonding. The method of claim 6, Inserting a bolt through the bottom of the container, And the light guide plate diffuser plate integrated structure is fixed to the container through the bolt while the inserted bolt is embedded in the light guide plate diffuser integrated structure.

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