KR100864606B1 - Light emitting diode display reflection frame - Google Patents

Abstract

A reflective frame of a light emitting diode for a display is provided to improve a reflection efficiency of a light emitting diode by installing a reflective mirror or a reflective panel with a multi-plane reflective plate on each of pixels. A reflective frame of a light emitting diode for a display includes a reflective frame(10) having a reflective box(12) and a multi-plane reflective plate(20). The reflective box has an opened front plane of a rectangular parallelepiped, and blocks the transmission of the light. An inner plane of the reflective box is plated. A mirror reflective plane is formed on the inner plane. A light emitting diode is installed on a bottom unit through a reflective mirror having a mirror reflective plane of a semi-spherical shape. The reflective mirror and the light emitting diode are installed on a plurality of installation holes. A plurality of holes for emitting the heat from the light emitting diode are adjacent to the installation hole. The multi-plane reflective plate is installed on an opened front plane of the reflective box so that the light of the light emitting diode is indiscriminately dispersed. The multi-plane reflective plate has a multi-plane reflective plane of a predetermined pattern on a side toward an inner side of the reflective box.

Description

Light emitting diode display reflection frame

The present invention relates to a reflecting frame reflecting light emitting diode light rays when displaying an electronic sign, a signal light, an indicator light, and an indicator using a light emitting diode. Particularly, the light emitting diode reflecting frame has a single pixel form and is connected to each other. To reflect the light rays of the light emitting diode or to connect the pixels of the reflecting frame to each other in the form of a lattice so that the light of the light emitting diode can be reflected, simplifying the manufacture of the reflecting frame, and simultaneously dispersing the light evenly by the multi-side reflector. The present invention relates to a light emitting diode reflecting frame for display, which enables reflection of a light emitting diode.

The light emitting diode, which is a point light emitting device that constitutes a screen such as a display board, a signal lamp, an indicator light, and an indicator light, is disposed in each pixel to reflect light rays of the light emitting diode through the pixel, thereby improving the efficiency of light reflection of the light emitting diode. .

The prior art of the Republic of Korea Patent Publication No. 2002-0042222 is characterized in that it has a reflecting means on the pixel of the electronic sign, but the reflecting means is installed through a case having a lattice-like compartment in which the reflecting means is integrated pixel-shaped reflecting means There is a problem of increasing the manufacturing cost according to forming.

As another prior art, the pixel module for the electronic sign of Korean Utility Model Registration No. 20-0420944 prevents the light-emitting diode from decreasing the luminous intensity of the light-emitting diode from the interference of sunlight. It has a problem that it is not formed a clear screen due to interference with neighboring light emitting diodes because it is formed long in the horizontal direction.

Similarly, in the case of the light emitting diode display plate of Republic of Korea Patent Publication No. 10-2004-0019640, the shade grille is formed long in the horizontal direction, not in the form of a partition blocking the square, thereby forming a clear screen by interference with nearby light emitting diodes. There is a problem that can not be.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems of the prior art, and the problem to be solved by the present invention is a reflection that reflects light emitting diode light rays when displaying an electronic sign, a signal light, an indicator light, and an indicator light using a light emitting diode. It is formed by connecting the frame in the form of a single pixel or connecting the support frame in the form of a lattice, but by simplifying the assembly structure of the reflective frame to reduce the manufacturing cost and at the same time to form a multi-reflective plate in front of the reflective frame of the LED It is to provide a light emitting diode reflecting frame for a display, in which light rays are evenly distributed by the multi-faceted reflector so that effective light emitting diodes can be reflected.

The present invention as a means for solving the problem to achieve the above object, the front of the box shape of the rectangular parallelepiped and made of a thin steel sheet to block the transmission of light and plate the inner surface to form a mirror reflection surface, the bottom The light emitting diode is installed in the part through a reflector having a hemispherical mirror reflecting surface, and a reflecting box having a plurality of holes for dissipating heat generated from the light emitting diode in the vicinity of a plurality of installation holes where the reflector and the light emitting diode at the bottom are installed. And a multi-faceted reflector having a predetermined pattern of multi-sided reflecting surfaces on one side facing the inner side of the reflecting box so that the light rays of the light emitting diode are evenly distributed on the open front side of the reflecting box.

According to the present invention, a plurality of pixels are formed by forming a lattice in which a slit is formed at a predetermined interval and a longitudinal bar through a slit, and the horizontal bar and a longitudinal bar are formed of a thin steel plate to block light transmission between the lattice and Both sides of the vertical plate are formed to form a mirror reflection surface, and the rear side of the pixels formed by the cross bars and the longitudinal rod emit light through a reflective panel and a light emitting diode fixing panel, each of which has a hemispherical mirror reflection surface formed to correspond to the pixels. A plurality of holes for dissipating heat generated by the light emitting diodes are formed in the vicinity of a plurality of mounting holes in which a diode is provided and the light emitting diodes of the reflective panel and the light emitting diode fixing panel are formed. Constant on one side facing the inside of the pixel so that the light from the light emitting diode is evenly distributed A multi-faceted reflector having a multi-sided reflective surface of one pattern is installed to form a reflection frame.

In the reflective box or the pixel of the reflective frame further comprises a concave lens for diffusing the light ray of the light emitting diode to the multi-faceted reflector.

The front of the reflective frame is characterized in that the waterproof transparent resin plate attached.

The multi-faceted reflecting surface formed on the multi-faceted reflector is characterized in that consisting of any one of polygonal pyramid or convex lens shape.

By using the light emitting diode of the present invention by simply providing a structure of a reflecting frame that reflects light rays when displaying an electric sign, an indicator light, etc. together with the multi-faceted reflector on each pixel with the effect of reducing the production and assembly cost of the reflecting frame By installing a reflector or a reflective panel, the light rays of the light emitting diodes are evenly distributed, thereby increasing the reflection efficiency of the light emitting diodes.

In addition, the light emitting diode installed in the conventional pixel is radiated as much as the diameter of the light emitting diode, whereas the reflecting frame of the present invention is effective to obtain a high resolution because the light emitting diode is radiated to the reflecting box or the pixel.

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

Prior to this, the terms or words used in this specification and claims should not be construed in the ordinary and dictionary sense, and the inventors may appropriately define the concepts of terms in order to best describe their invention. It should be interpreted as meaning and concept corresponding to the technical idea of the present invention based on the principle that the present invention.

Therefore, the embodiments described in the specification and the configuration shown in the drawings are only one preferred embodiment of the present invention, and do not represent all of the technical idea of the present invention, various equivalents that may be substituted for them at the time of the present application It should be understood that there may be water and variations.

1A and 1B are schematic exploded views and an assembled perspective view of a reflective frame of a light emitting diode for a display illustrating one embodiment of the present invention, and FIG. 1C is a front view showing a modified example of the multi-faceted reflector illustrated in FIG. 1B; 2 is a side cross-sectional view, and FIG. 2 is an assembly flowchart of the reflective frame of the light emitting diode for display shown in FIG. 1, and FIG. 3 is an assembly side view of the reflective frame of the light emitting diode for display shown in FIG.

Reference numeral 10 in FIGS. 1A and 1B shows a reflecting frame illustrated as an embodiment of the present invention.

The reflective frame 10 is configured by a reflective box 12 having an open front surface, and a multi-faceted reflector 20 installed on the open front surface of the reflective box 12.

The reflective box 12 has an open front surface and has a rectangular box shape, and is made of a thin steel plate to block light transmission.

The reflective box 12 is plated on both inner surfaces including a bottom and sidewalls to form a mirror reflection surface 12a, and a hemispherical mirror reflection surface 19a is formed at the bottom of the reflection box 12. The light emitting diode 50 is provided through the reflector 19, and the light emitting diode 50 is generated in the vicinity of the plurality of installation holes 19b and 14 in which the reflector 19 and the bottom of the light emitting diode 50 are installed. A plurality of holes 19c and 16 for discharging the heat to be formed are formed.

That is, since hot air by heat generated by the light emitting diodes 50 is discharged to one of the holes 19c and 16 and the pressure in the reflection box 12 is lowered, fresh air is discharged from the outside to the other hole 19c. By flowing into (16), it is possible to protect the light emitting diodes 50 from heat.

On the open front surface of the reflective box 12, the multi-faceted reflector 20 having a multi-sided reflective surface 20a of a predetermined pattern on one side facing the inner side of the reflective box 12 so that the light rays of the light emitting diode 50 are evenly distributed. This is provided and constitutes the reflection frame 10.

The multi-faceted reflecting surface 20a formed on the multi-faceted reflector 20 is formed of a square pyramid so as to accumulate light rays emitted from the light emitting diodes 50 by the multi-faceted reflecting surface 20a to radiate to the outside. In the above, an example of the multi-faceted reflecting surface 20a is illustrated as a quadrangular pyramid. However, the present invention is not limited thereto and may be formed of a polygonal pyramid of five-pyramidal hexagonal pyramids. In order to distribute the light rays of the diode 50 evenly, the surface of the reflective box 12 may be configured as a multi-faceted reflector 21 having a multi-sided reflective surface 21a in the form of a convex lens in a predetermined pattern.

On the other hand, the concave lens 22 is provided in the reflecting frame 10 to diffuse the light of the light emitting diode 50 evenly through the concave lens 22 to the multi-faceted reflector 20.

The reflective frame 10 configured as described above is provided with a reflector 19 and a concave lens 22 in the interior of the reflective box 12 as shown in the assembly flow chart shown in FIG. In this case, the groove 22a may be formed at the edge of the concave lens 22, and the protrusion 12c may be formed on the inner wall of the reflective box 12 to fix the concave-convex shape. Like the concave lens 22, the reflector 19 may also have grooves (not shown) formed on the edge thereof, and protrusions corresponding to the grooves may be formed on the inner wall of the reflective box 12 to fix them in an uneven form.

Next, the multi-faceted reflector 20 is installed on the front surface of the reflection box 12. At this time, the groove 20b formed in the multi-faceted reflector 20 and the projection 12b formed in the reflective box 12 are formed to be fixed in an uneven shape.

Next, a light emitting diode fixing plate 24 provided with the light emitting diodes 50 is installed on the bottom surface of the reflective box 12 so that the light emitting diode 50 is formed through the hole 14 formed in the reflective box 12. 12) is located in the form protruding from the bottom.

A printed circuit board 26 is installed on the rear surface of the light emitting diode fixing plate 24, and terminals of the light emitting diode 50 are connected to form a circuit.

In the light emitting diode fixing plate 24 and the printed circuit board 26, holes 24a and 26a communicating with the holes 16 formed in the reflective box 12 are respectively formed to generate heat generated from the light emitting diodes 50. Will be emitted out.

The reflective frame 10 configured as described above is installed in the form of pixels through the light emitting diode fixing plate 24 and the printed circuit board 26, as shown in FIG. 3, and constitutes the electronic display panel 100 to emit light rays of the light emitting diode 50. Will be reflected.

Although the display panel 100 to which the reflecting plate 10 is applied is illustrated above, a similar signal light or indicator light or indicator light may be configured.

The reflective box 12 of the reflective frame 10 each configured in the form of one pixel is made of a thin steel sheet to block light transmission to the adjacent reflective box 12 so that the light emitting diode 50 installed in the reflective box 12 is provided. ) Is composed of red, green, blue or red and blue or red and green, and the light of the independent light emitting diodes 50 is reflected through the mirror reflecting surface 12a and the multi-faced reflector 20, respectively. The effect of mixing colors can be obtained to display a clear image.

In addition, by the multi-faceted reflecting surface (20a) formed on the multi-faceted reflector 20 to collect the light rays of the light emitting diode 50 to radiate to the outside, and the mirror reflecting surface (12a) formed on five surfaces of the reflective box 12 and Due to the effect of mixing light rays through the multi-faceted reflector 20, the light is evenly distributed throughout the reflection box 12 to radiate to the outside, and high resolution can be realized due to the effect of lighting on the entire multi-sided reflector 20. have.

In addition, by installing the concave lens 22 inside the reflective box 12 to prevent the focus phenomenon concentrated in the center of the multi-faceted reflector 20 to spread the light evenly.

That is, the light rays emitted from the light emitting diodes 50 pass through the concave lens 22, so that the light rays are diffused evenly to the corners of the multi-faceted reflector 20. When the light passes through the medium, a refraction phenomenon occurs. The light is refracted by the thick side of the medium (concave lens), so that the diffuser 20 is evenly spread.

4A to 6 illustrate two embodiments of a reflecting frame of the light emitting diode for display of the present invention. In the description of the second embodiment, the same parts as the description of the first embodiment will be denoted by the same reference numerals, and description thereof will be omitted instead of the description of the first embodiment.

As shown in FIG. 4a, slits 30a and 32a are formed in the vertical bar 30 and the horizontal bar 32 having a constant height and length at regular intervals, respectively, and the horizontal bar 30 and the vertical bar as shown in FIG. 4b. When the 32 is assembled with each other through the slits 30a and 32a, a plurality of pixels 40 are formed in a lattice form and the front and rear surfaces are opened.

The crossbar 30 and the crossbar 32 are made of a thin steel plate to block the transmission of light between the grid of the pixel 40.

In addition, the horizontal bar 30 and the vertical bar 32 are plated on both sides to form mirror reflection surfaces 30b and 32b.

The reflective panel 45 and the light emitting diode, each of which has a hemispherical mirror reflecting surface 45a formed to correspond to the pixel 40, are formed at the rear of the plurality of pixels 40 formed by the cross bars 30 and the vertical bars 32, respectively. The light emitting diodes 50 are installed through the fixing panel 60, and a plurality of mounting holes 45b and 62 are installed around the reflective panel 45 and the light emitting diodes 50 of the light emitting diode fixing panel 60. A plurality of holes 45c and 64 are formed in the light emitting diodes 50 to discharge heat generated from the light emitting diodes 50.

In the open front of the pixel 40 formed as a lattice by the crossbar 30 and the crossbar 32, a light pattern of a light emitting diode 50 is uniformly distributed on one side toward the inside of the pixel 40 so as to evenly distribute the light. A multi-faceted reflector 20 having a multi-faceted reflecting surface 20a is provided to constitute a reflecting frame 10A.

In the pixel 40 of the reflecting frame 10A, concave lenses 22 are respectively provided as shown in FIG. 4C, and the light beams of the light emitting diodes 50 are uniformly diffused through the concave lenses 22 to the multi-faceted reflector 20. Let's go.

As described above, the concave lens 22 installed in the pixel 40 of the reflecting frame 10A forms a groove in the edge of the concave lens 22 and has an inner wall of the crossbar 30 or the vertical bar 32. Protrusions are formed in the form of irregularities and are fixed.

The multi-faceted reflector 20 is installed in front of the pixel 40, as described above to form a groove (20a) formed in the multi-faceted reflector 20 and the projection (32c) formed in the crosspiece 32 to be fixed in the form of irregularities do.

Accordingly, as shown in FIG. 5, the light emitting diodes 50 are installed on the light emitting diode fixing panel 60 and the reflective panel 45 so that the light emitting diodes 50 protrude in the pixel 40.

A printed circuit board 26 as shown in FIG. 2 is installed on the rear surface of the light emitting diode fixing panel 60 so that terminals of the light emitting diode 50 are connected to form a circuit.

In the above, the hole 64 formed in the LED fixing panel 60 and the hole 26a formed in the printed circuit board 26 communicate with each other to emit heat generated from the LED 50.

Using the reflective frame 10A configured as described above, as shown in FIG. 6, the electronic display panel 100A is configured to reflect light rays of the light emitting diodes 50.

Although the display panel 100A to which the reflecting frame 10A is applied is illustrated above, a similar signal light or indicator light or indicator light may be configured.

7A and 7B illustrate a modified example of the reflective frame of the light emitting diode for display shown in FIG. 6, which is constructed by attaching an antireflective waterproof transparent resin plate 36 to the front surface of the reflective frame 10A.

By attaching the waterproof transparent resin plate 36 to the front surface of the reflective frame 10A as described above, complete waterproof is achieved, and the light emitting diode 50 together with the reflective frame 10A can be protected from leakage.

1A and 1B show a schematic exploded view and an assembled perspective view of a reflecting frame of a light emitting diode for a display illustrating one embodiment of the present invention.

FIG. 1C illustrates a front view and a side cross-sectional view showing a modification of the multi-faceted reflector illustrated in FIG. 1B.

FIG. 2 illustrates an assembly procedure of a reflecting frame of the light emitting diode for display shown in FIG. 1.

FIG. 3 is an assembly side view of the reflective frame of the light emitting diode for display shown in FIG. 2.

4A, 4B, and 4C illustrate an assembling procedure of a reflecting frame of a light emitting diode for display, illustrating an exemplary embodiment of the invention.

FIG. 5 is a perspective view illustrating an assembly of a reflective frame of a light emitting diode for display, illustrating an exemplary embodiment of the present invention.

FIG. 6 is an exemplary view of using a reflecting frame of the light emitting diode for display shown in FIG. 5.

7A and 7B illustrate modified examples of the reflecting frame of the light emitting diode for display shown in FIG. 6.

Claims (6)

It is made of rectangular parallelepiped box with the front open, and made of thin steel plate to block the light transmission and plate the inner surface to form the mirror reflection surface, and the light emitting diode is installed on the bottom part through the reflector formed with the hemispherical mirror reflection surface. And a reflection box having a plurality of holes for dissipating heat generated from the light emitting diodes in the vicinity of the plurality of installation holes where the reflector and the light emitting diodes at the bottom are installed, and the light rays of the light emitting diodes are evenly distributed on the open front surface of the reflection box. Reflective frame of a light emitting diode for display, characterized in that the multi-faceted reflector having a predetermined pattern of multi-sided reflecting surface is provided on one side facing the inner side of the reflective box to form a reflecting frame. A plurality of pixels are formed by forming a lattice and a longitudinal bar each having a slit at a predetermined interval through a slit, and the crossbar and the longitudinal bar are made of a thin steel plate to block light transmission between the lattice and plate both sides of the crossbar and the longitudinal bar. A light emitting diode is formed through a reflecting panel and a light emitting diode fixing panel, each of which has a mirror reflecting surface, and a hemispherical mirror reflecting surface is formed so as to correspond to the pixels, respectively. A plurality of holes for dissipating heat generated from the light emitting diodes are formed in the vicinity of the plurality of mounting holes in which the light emitting diodes of the reflective panel and the light emitting diode fixing panel are installed, and the light rays of the light emitting diodes are evenly distributed in front of the plurality of pixels. A pattern of patterns on one side facing the inside of the pixel so that If having a reflective surface reflecting the framework of the light-emitting diode display, it characterized in that the reflector is provided for reflecting the configuration framework. The method according to claim 1, The reflective frame of the light emitting diode for display further comprises a concave lens for diffusing the light ray of the light emitting diode into the multi-reflective plate in the reflective box of the reflective frame. The method according to claim 2, The reflective frame of the light emitting diode for display further comprises a concave lens in the pixel of the reflective frame to diffuse the light ray of the light emitting diode into a multi-faceted reflector. The method according to claim 2, Reflective frame of the light emitting diode for display, characterized in that the front of the reflecting frame is attached to a transparent transparent resin plate. The method according to claim 1 or 2, Reflective frame of the light emitting diode for display, characterized in that the multi-faceted reflecting surface formed on the multi-faceted reflector made of any one of a polygonal cone or convex lens.

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