KR20110020513A - Advertising device using LED lighting - Google Patents

Abstract

The present invention relates to an advertising device using LED lighting, the LED lighting is provided on the upper and lower portions of the advertising device, to apply a fluorescent material on the light guide plate to diffuse the light of the LED lighting, through the LED light to the light guide plate When the light is irradiated, the fluorescent material applied to the light guide plate diffuses the light and relates to an advertising device using the LED lighting to be irradiated to the front of the billboard.

Advertising apparatus using LED lighting according to the present invention is the first light guide plate and the first light guide plate provided using a material that can transmit light and at least one fluorescent material applied to the upper surface of the first light guide plate and the first light guide plate Is provided on one side and the other side, one or more LEDs for irradiating light to the first light guide plate and the circuit board provided on one side and the other side of the first light guide plate so that the LED is installed and the light irradiated from the LEDs Is achieved by means of an advertising sheet which is illuminated.

LED, advertising, LGP, fluorescent material, reflector

Description

Device for advertisement using the LED illumination

The present invention relates to an advertising device using LED lighting, the LED lighting is provided on the upper and lower portions of the advertising device, to apply a fluorescent material on the light guide plate to diffuse the light of the LED lighting, through the LED light to the light guide plate When the light is irradiated, the fluorescent material applied to the light guide plate diffuses the light and relates to an advertising device using the LED lighting to be irradiated to the front of the billboard.

Recently, due to the development and demand of light emitting diodes (LEDs), incandescent lamps and fluorescent lamps of conventional lighting devices are changing to LED lights. Accordingly, lighting devices in homes and industrial sites are changing rapidly, and lighting devices such as fluorescent lamps, which have been previously used for advertising, are also being changed to LED lighting.

On the other hand, the existing advertising device used a lot of lighting devices using a fluorescent lamp, the advertising device using a fluorescent lamp using a plurality of fluorescent lamps in the housing of the advertising device using the light irradiated from the fluorescent lamp light emitting sheet I'm trying to.

However, fluorescent lamps have a short lifespan and high power consumption due to their use.

In order to solve this problem, Korean Patent Laid-Open Publication No. 2005-12317 discloses a backlight and an advertisement device using the same.

1 is an exploded perspective view of an LED advertising device according to the prior art, the invention disclosed in Korean Patent Laid-Open No. 2005-12317. As shown in FIG. 1, one or more circuit boards 22 are connected to the inside of the frame 11 of the advertisement device 10 by an area of the advertisement sheet 40, and one or more circuit boards are disposed on the circuit board 22. The LED 21 is provided to irradiate the advertising sheet 40 with light. On the other hand, since the light irradiated from the LED 21 has a straightness, the diffusion plate 30 is provided on the LED 21 so that the light irradiated from the LED 21 is evenly irradiated to the advertising sheet 40, The advertisement sheet 40 and the cover member 12 are provided on the diffusion plate 30 so that the advertisement apparatus 10 may be configured.

However, the advertising apparatus is provided with a circuit board and LED corresponding to the size of the advertising sheet, there is a problem that the number of circuit boards and LEDs used in the advertising apparatus increases as the size of the advertising sheet increases. In other words, if the number of circuit boards and LEDs increases, the overall weight of the advertising device also increases, which makes it difficult to install and the advertising sheet may be deformed by the high heat generated from the LED. By having a thick advertising sheet, there is also a problem that the illuminance is reduced due to the thick advertising sheet light emitted from the LED.

In addition, the required power increases as the number of LEDs increases, and thus, there is a problem in that the cost is not significantly improved compared to an advertisement device using a conventional fluorescent lamp.

The present invention devised to solve the problems of the prior art as described above comprises a circuit board and LED used in the advertising device only on the top and bottom of the rectangular advertising sheet, the light irradiated from the top and bottom applied to the upper light guide plate By diffusing by the fluorescent material, the purpose is to allow the same light to be irradiated on the front surface of the advertising sheet using a small number of LEDs.

In addition, the present invention can reduce the number of LEDs by providing the LEDs provided in the advertising device on the upper and lower portions of the advertising device, thereby reducing the heat generated in the advertising device is a thin advertising sheet is deformed by heat There is another purpose that can be prevented.

In addition, the present invention can be provided with the LED provided in the advertising device on the upper and lower portions of the advertising device to reduce the number of LED, accordingly another weight to reduce the weight of the advertising device to facilitate the installation of the advertising device There is a purpose.

In addition, the present invention has a further object to reduce the power consumption generated by using the advertising device by reducing the number of LED by providing the LED provided in the advertising device on the upper and lower portions of the advertising device.

The object of the present invention is provided on one side and the other side of the first light guide plate and the first light guide plate provided by using a material that can transmit light and the upper surface of the first light guide plate at a predetermined interval and the first light guide plate. Advertisement is illuminated by using the light emitted from the LED and the circuit board provided on one side and the other side of the first light guide plate so that the LED is installed and one or more LEDs for irradiating light to the first light guide plate It is achieved by the advertising device using the LED lighting configured to include a sheet.

Therefore, the advertising device using the LED lighting according to the present invention comprises a circuit board and the LED used in the advertising device only on the upper and lower portions of the rectangular advertising sheet, and the light emitted from the upper and lower portion to the fluorescent material coated on the light guide plate By diffusing, the same light can be irradiated to the front of the advertisement sheet using a small number of LEDs.

In addition, the present invention has another effect that can reduce the number of LED by having the LED provided in the advertising device on the upper and lower portions of the advertising device.

In addition, the present invention is provided with the LEDs provided in the advertising device on the upper and lower portions of the advertising device to reduce the number of LEDs, it is possible to prevent the heat generated by reducing the thin sheet of the advertising sheet is deformed by the heat. There is another effect.

In addition, according to the present invention, as the number of LEDs is reduced by providing the LEDs provided in the advertising device on the upper and lower portions of the advertising device, the weight of the advertising device is reduced, thereby facilitating the installation of the advertising device. There is another effect.

In addition, according to the present invention, as the number of LEDs is reduced by providing the LEDs provided in the advertisement device on the upper and lower portions of the advertisement device, power consumption generated while using the advertisement device is reduced.

In addition, the present invention, if the advertising sheet provided in the advertising device is configured with a white without any pattern, it can be utilized as a white board equipped with a backlight, the effect that can facilitate the presentation, etc. in a dark place indoors have.

The terms or words used in this specification and claims are not to be construed as being limited to their ordinary or dictionary meanings, and the inventors may appropriately define the concept 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 drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

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

2 is a diagram showing a light guide plate coated with a fluorescent material according to an embodiment of the present invention. As shown in FIG. 2, (a) is a plan view of the light guide plate, and (b) is a front view of the light guide plate.

The light guide plate 120 may be formed of a transparent material having a rectangular shape, but may also be formed in a circular and polygonal shape. The light guide plate 120 may be formed of a transparent acrylic resin, but any material may be used as long as the material has a good light transmittance.

The fluorescent material 110 is a fluorescence material such as petroleum, lead glass, cyanide, and the like, which is practically described as ZnS: Cu, and is mainly used for a cathode ray tube, an electron microscope, etc., and is a combination of a raw material and an activator added. According to the present invention, it is preferable to use a fluorescent material 110 used in a fluorescent lamp, a CRT, an X-ray, and an electron microscope.

Meanwhile, according to the size of the light guide plate 120 or the number of LEDs (not shown), the density of the fluorescent material 110 coated on the light guide plate 120 may be different. For example, as the size of the light guide plate 120 increases, the amount of light to be irradiated from the LED (not shown) should increase, but when the number of LEDs (not shown) is in a predetermined range, By densely applying the fluorescent material 110 to be applied, the density of the fluorescent material 110 can be increased to spread the irradiated light widely.

In addition, when the number of LEDs (not shown) is reduced to reduce power consumption, the density of the fluorescent material 110 is increased according to the number of LEDs (not shown) to be applied to the light guide plate 120, thereby reducing the number of LEDs. The light irradiated from the LED (not shown) may be diffused to be irradiated to the advertisement sheet having the same area. Preferably, by increasing the density of the fluorescent material 110 is applied to a position gradually away from the LED (not shown) to apply to the light guide plate 120, so that light can be uniformly irradiated on the advertising sheet.

3 is a block diagram showing an LED advertising device according to an embodiment of the present invention. As shown in FIG. 3, (a) is a plan view of the LED advertising device, (b) is a front view of the LED advertising device, and (c) is a side view showing the V groove cutting of the second LGP.

The fluorescent material 110 is coated on the upper portion of the first LGP 120 having a quadrangular shape at regular intervals, and the LED 130 is disposed on the short side among the upper, lower, left, and right sides of the first LGP 120. The circuit board 140 may be provided. The size of the circuit board 140 is configured differently according to the size of the advertisement sheet 160, the LED 130 may be arranged in two rows or may be configured differently the spacing of the LED 130 is arranged.

Meanwhile, in order to prevent the light emitted from the LED 130 from passing through the first LGP 120 and directed downward, the first LGP may be directed toward the upper advertising sheet 160. The lower end of the 120 may configure a reflector plate 170. The reflector plate 170 may be any structure as long as it is for reflecting light such as silver foil or silver plating.

A second light guide plate 150 is further formed on the first light guide plate 120 to which the fluorescent material 110 is applied to further diffuse the light diffused through the fluorescent material 110. As shown in (c) of FIG. 3, the second LGP 150 is configured to correspond to the cutting planes from A to B of FIG. 3A, and the V-groove cutting is performed according to the size of the advertisement sheet 160. The first and second LGPs 120 may be formed in order to solve a problem in which the amount of light irradiated from the LEDs 130 is gradually reduced in the middle of the advertisement sheet 160 as the size of the advertisement sheet 160 increases. In order to move the light emitted from both sides of the light guide plate 150 to the center of the second light guide plate 150, the V groove may be formed from the position where the LED 130 is located to the center of the second light guide plate 150.

That is, when the light of the LED 130 formed at the left / right in FIG. 3 (a) does not reach the center even using the fluorescent material applied on the upper part of the first LGP 120, the lower part of the second LGP 150 Even if the size of the advertisement sheet 160 is increased by forming a V-groove cut in the structure to easily move the light to the center, the same size of the advertisement sheet 160 using a certain number of LEDs 130 is the same. You can have roughness.

Figure 4 is a block diagram showing an LED advertising device according to another embodiment of the present invention. As shown in FIG. 4, the second light guide plate is removed in FIG. 3, and the fluorescent material 110 is coated on the upper part of the first light guide plate 120 at predetermined intervals. There is a circuit board 140 that may include an LED 130 on the left and right sides, and the circuit board 140 is provided with one or more LEDs 130 to irradiate light toward the first LGP 120. have.

In this case, the fluorescent material 110 may be applied in different densities depending on the size of the first LGP 120 or the advertisement sheet 160 positioned on the first LGP 120, and is located away from the LED 130. The fluorescent material 110 is applied to a high density, so that the light gradually fading from the LED 130 can illuminate the advertising sheet 160 with the same illumination as a whole.

5 is a perspective view showing the LED advertising device according to the present invention. As illustrated in FIG. 5, the LED advertising apparatus described with reference to FIGS. 2 to 4 is provided in the outer case 180, and the front surface of the outer case 180 is opened to display the advertisement sheet 160. It is characteristic. On the other hand, the outer case 180 that is open so that the advertising sheet 160 is displayed on the front surface of the advertising sheet 160 to protect the advertising sheet 160 with a film, glass, plastic, etc. includes a protective member. can do.

In addition, the power supply unit (not shown) of the advertising device may use a known power supply device for LEDs, and the power supply unit (not shown) is preferably composed of a commercial power source, a battery, and the like.

On the other hand, if the advertising sheet provided in the advertising device is composed of white without any pattern, it can be used as a white board equipped with backlighting, and the presentation can be written with a pen even in a dark place. There is a feature that can facilitate the back.

In addition, when the advertising sheet provided in the advertising device is configured in the shape of a road sign, it can be used as a road sign provided with backlight lighting, and can be used as a road sign that is not reflected by a vehicle lamp or the like.

1 is an exploded perspective view of a LED advertising device according to the prior art,

2 is a block diagram showing a light guide plate coated with a fluorescent material according to an embodiment of the present invention,

3 is a block diagram showing an LED advertising device according to an embodiment of the present invention,

Figure 4 is a block diagram showing an LED advertising device according to another embodiment of the present invention,

5 is a perspective view showing the LED advertising device according to the present invention.

<Explanation of symbols for the main parts of the drawings>

110: fluorescent material 120: first light guide plate

130: LED 140: circuit board

150: second light guide plate 160: advertising sheet

170: reflector 180: outer case

Claims (7)

In the advertising device, A first light guide plate provided using a material through which light can be transmitted; At least one fluorescent material applied to the upper surface of the first LGP at predetermined intervals; LEDs provided on one side and the other side of the first LGP, one or more LEDs for irradiating light to the first LGP; A circuit board provided at one side and the other side of the first light guide plate such that the LED is installed; And Advertisement sheet illuminated using light emitted from the LED Advertising device using the LED lighting configured to include. The method of claim 1, A second light guide plate positioned between the first light guide plate and the advertisement sheet to diffuse light emitted from the LED; Advertising device using LED lighting further comprising. The method of claim 1, A reflection plate positioned under the first LGP to reflect light emitted from the LED; Advertising device using LED lighting further comprising. The method of claim 1, The fluorescent material is applied to the LED lighting apparatus, characterized in that the density is applied differently according to the position to be applied, corresponding to the size of the first light guide plate. The method of claim 1, The fluorescent material is the advertising device using the LED lighting, characterized in that the size of the fluorescent material is applied differently according to the position to be applied, corresponding to the size of the first light guide plate. The method of claim 2, The lower surface of the second LGP includes an advertisement device using LED lighting, characterized in that it comprises one or more V-groove cutting to transmit the light irradiated from the LED. The method of claim 1, The advertising device further comprises a power supply for power supply of the LED, the power supply is an advertising device using the LED lighting, characterized in that provided with at least one of a commercial power source and a battery.

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