KR20100109994A - The light unit - Google Patents

Abstract

PURPOSE: A lighting device is provided to reduce the number of a LED lighting device and the entire weight by thinly forming the thickness of a board. CONSTITUTION: A cover(40) is installed on a base panel(10). A lighting device for emitting light is composed between the base panel and the cover. A frame(50) is used in order to fix the base panel and the cover. A diffusion sheet(20) is installed between the base panel and the cover. An LED lighting device(30) is installed in the edge of the diffusion sheet in order to emit light towards the cover. An installation groove is formed in the diffusion sheet. The LED lighting device is installed in the installation groove.

Description

Lighting unit {The Light Unit}

The present invention relates to a lighting device, and more particularly, to form a thin thickness of the signboard to reduce the weight and at the same time using a small number of LED lights in it, the illuminance of a certain lux or more per unit area is expressed to the front of the signboard A lighting device that allows light to be radiated evenly.

In general, a signboard refers to a sign (는) that can be hanged or attached to a store, company, sales office, institution, etc. by using its name, sales product, or business item to stand out.

Regardless of East and West, signs have been around for a long time. At first, self-made products were displayed as a sign, but gradually they expressed various tastes using letters and pictures.

In addition, signboards are also called billboards, and their types have been diversified due to the complexity of commercial activities.

Depending on the installation place, there are rooftop signs, wall signs, protruding signs, store signs, signboards, billboards (fields, mountains, signs on the highway), and structural types include neon signs, advertising towers, and lighting billboards. , Picture signs, plastic signs, and cine signs. Signboards can also be seen in the area of traffic advertising, including in-car advertising, out-of-car advertising, and stationary advertising (inside and outside of stations).

In addition, when looking at the configuration of the lighting device in the signboard is illuminated, it was easy to identify the letters, pictures, etc. formed on the signboard surface by the light irradiated from the inside of the signboard using fluorescent lamps, incandescent lamps.

However, in the case of emitting light using a fluorescent lamp, an incandescent lamp as described above, there is a problem in that the cost is expensive according to the amount of electricity consumed in the fluorescent lamp, incandescent lamp.

In order to solve the above problems, in place of fluorescent lamps, incandescent lamps, LEDs (Light Emitting Diodes) are used as lighting.

In the case of using the LED, a large amount of LEDs were installed in a state where the gap was narrowed on one side of the light guide plate or on the bottom of the acrylic plate on the signboard surface in order to maintain a constant lux per unit area.

Therefore, a large signboard, for example, a signboard having a length of about 10m and a length of about 3m has a problem in that the number of LEDs is consumed a lot.

In addition, since the signboard is large in size, the weight itself is quite high, so there is a problem in that the signboard can be installed only by using a vehicle such as a crane.

In addition, when the size of the signboard is large, even if a large number of LEDs are installed due to the problem that the LED light source reaches only a certain distance, a shadow area is generated, thereby causing a problem that the light is not uniformly emitted on the signboard surface.

In addition, there is a drawback that the number of installation of the LED is used quite a lot depending on the size of the signboard.

That is, in the case of a conventional Back Light Unit (BLU), a light guide plate thicker than an LED is mostly used to emit light, and the light guide plate is irradiated with a light guide plate so that one side of the light guide plate is configured to be very narrow.

At this time, the plurality of LEDs have a disadvantage in that the uniformity of the brightness is low, and the failure rate is also high as many devices are used.

That is, the control of the power supply according to the large number is not easy, and there is a problem in that it does not express various colors on the signboard.

In addition, since a plurality of LED modules are controlled by using a single driver (controller for controlling the LED module), when a failure occurs in the controller, the LED module does not emit light and thus does not emit light in a predetermined area. .

That is, there is a problem that a failure occurs in various places, such as a failure of a plurality of LEDs, failure by the LED module.

In addition, since LEDs expressing only one color, such as white, blue, green, and red, are used to form a constant brightness on the signboard surface, there is a problem in that a signboard representing various colors cannot be realized in one signboard. have.

In order to solve the above problems, the present invention is formed by reducing the thickness of the signboard to reduce the weight and at the same time using a small number of LED lights in the illumination of a certain lux (lux) per unit area is expressed to the front of the signboard It is an object of the present invention to provide a lighting device that allows light to be radiated evenly.

In addition, since the thickness of the lighting device is configured to be thin, the thickness of signboards, signposts, and guide boards can be formed thinly, so that the weight of signboards, signposts, guide boards, etc. is remarkably reduced, so it is easy to install, and a small number of LED lights and low-cost diffusion sheets The purpose of the present invention is to provide a lighting device to reduce the production cost.

The present invention for achieving the above object is the base panel is configured, the cover is installed on the upper portion of the base panel, an illumination device for emitting light between the base panel and the cover is installed, fixing the base panel and the cover In the lighting device used for advertising billboards, guide signs, notice boards, etc. consisting of a frame, the lighting device is installed between the base panel and the cover, the diffusion sheet is installed on the corner of the diffusion sheet so that light is emitted to the cover by irradiating the light It provides a lighting device characterized in that the LED lighting is installed.

In addition, the diffusion sheet is provided with an installation groove, the installation groove provides an illumination device, characterized in that the LED lighting is installed.

In addition, the diffusion sheet provides a lighting apparatus, characterized in that the light collection groove is formed to collect the main part by the light of the LED light.

In addition, the LED lighting is provided on each of the upper and lower edges and the central portion of the diffusion sheet provides an illumination politics, characterized in that for irradiating light.

In addition, the LED lighting provides a lighting device characterized in that the light is irradiated at the same angle as the corner angle of the diffusion sheet.

The base panel is configured, the cover is installed on the upper part of the base panel, the lighting device for emitting light between the base panel and the cover is installed, the billboard, the guide plate consisting of a frame for fixing the base panel and the cover, In the lighting device used in the notice board, etc., the lighting device is provided with a diffusion sheet having an installation groove formed between the base panel and the cover, the LED lighting is installed so that the light is irradiated toward the cover by irradiating light to the installation groove of the diffusion sheet The LED lighting is provided to deviate from the position of the other LED lighting of the adjacent diffusion sheet is provided to provide an illumination device characterized in that the shadow is prevented from occurring on both sides of the LED lighting.

The present invention has the effect of reducing the weight by forming a thin signboard thickness and at the same time using a small number of LED lights within it to express the illuminance over a certain lux per unit area, so that the light is uniformly irradiated to the front of the signboard.

In addition, since the thickness of the lighting device is configured to be thin, the thickness of signboards, signposts, and guide boards can be formed thinly, so that the weight of signboards, signposts, guide boards, etc. is remarkably reduced, so it is easy to install, and a small number of LED lights and low-cost diffusion sheets Since it is effective to lower the production cost.

In addition, since a small number of LED lights are used, the power consumption can be drastically lowered than when conventional LED lights are used.

Hereinafter, the configuration of the lighting apparatus according to the present invention will be described in detail through the accompanying drawings.

1 is an exploded perspective view showing a configuration according to an embodiment of the present invention, Figure 2 is a cross-sectional view showing a bonding state of Figure 1, Figure 3 is a plan view showing a state in which the LED is installed in the diffusion sheet of Figure 1, 4 is a plan view showing another embodiment of Figure 3, Figure 5 is a plan view showing another embodiment of Figure 4, Figure 6 is a plan view showing another embodiment of the diffusion sheet of Figure 1, Figure 7 is a It is sectional drawing which showed the detailed structure.

As shown in FIGS. 1 to 3, the present invention includes a base panel 10, a diffusion sheet 20, an LED 30, a cover 40, and a frame 50.

The base panel 10 is configured in a flat plate shape so that the diffusion sheet 20 can be kept flat and support the form of the entire signboard.

The diffusion sheet 20 is installed on the base panel 10, and the size of the diffusion sheet 20 is the same as or slightly smaller than the size of the base panel 10.

The diffusion sheet 20 is made thin and transparent to form a flexible (flexible).

LED lighting 30 is installed at each corner of the diffusion sheet 20 so that light is irradiated at the same angle as the corner angle a of the diffusion sheet 20.

The LED lighting 30 is located between the base panel 10 and the cover 40, or is fixed inside the frame. Reference numeral 31 is a substrate 31 for fixing the LED light (30).

The LED lighting 20 is fixed to the inside of the frame 50 can be fixed through a conventional fixing method, that is, a fixing method using a bolt and other fixing methods, the fixing in this case according to the overall shape Can be different.

In the state where the LED lighting 30 is installed at each corner of the diffusion sheet 20, the cover 40 is installed on the upper portion thereof.

At this time, the sign 40 shows a destination according to the direction of each road, such as a milestone used on the road, or a picture, letters, etc. are formed so that the consumer can check what goods are sold, or a specific building (police, court, Fire station, hospital, etc.) is used to indicate the location or length.

The cover 40 is to reduce the weight significantly by using a PP-based plastic, cloth.

As described above, the frame 50 is installed along the outer circumference of the base panel 10, the diffusion sheet 20, the LED light 30, the cover 40 is bonded.

The frame 50 is made of steel (iron, aluminum, etc.), plastic, or the like.

1 to 3 is used as a signboard, a milestone, a guide sign, etc., even if the lighting device is installed as described above, the weight is remarkably light, and also uses a small LED lighting (30) so that the existing LED lighting There is an advantage that is cheaper than the cost of producing signs, signposts, guide signs, etc. used.

FIG. 4 is a plan view showing another embodiment of FIG. 3, which is applied to a case in which the length of the diffusion sheet 20 is formed to be horizontally long as shown in the drawing.

In other words, as shown in FIGS. 1 to 3, the LED lighting 30 is installed at each corner of the diffusion sheet 20, wherein the length of the diffusion sheet 20 is horizontally formed to be shaded in the middle portion. LED lights 30 are respectively provided on the upper and lower portions of the middle part of the diffusion sheet 20 so as to prevent the occurrence of the same.

Since the LED lights 30 are respectively installed on the upper and lower portions of the diffusion sheet 20 as described above, the LED lights 30 are installed at the corners of the diffusion sheet 20 to prevent light from reaching toward the center, thereby preventing shading.

In addition, the LED lighting 30 is installed in Figure 4 is selected and installed to have the same angle of irradiation of light so as to be irradiated to match the corner angle of the diffusion sheet 20, and the central portion of the diffusion sheet 20 LED lighting 30 is installed on the top and bottom of the light irradiation width is installed close to about 180 ° (b) so that the light is evenly spread and irradiated.

Figure 5 is a plan view showing another embodiment of Figure 4, the present invention is applied to a large, such as billboards installed on the field, mountain, highway side advertising.

In the configuration of FIG. 5, the configuration of the base panel 10, the cover 40, and the frame 50 has the same configuration as illustrated in FIGS. 1 to 3, and thus descriptions thereof will be omitted.

As shown in FIG. 5, the present invention lists a plurality of diffusion sheets 20, and forms installation grooves 21 in upper and lower portions of the diffusion sheets 20, respectively, wherein the size of the installation grooves 21 is provided. The LED lighting 30 is formed in a size that can be installed.

In addition, the installation grooves 21 formed in the diffusion sheet 20 are not formed at the same position as the installation grooves 21 of the other diffusion sheets 20, but are formed to be shifted so as not to overlap the positions.

As described above, the LED illumination 30 is installed inside the installation groove 21 in a state in which the installation groove 21 is formed at a predetermined interval in the diffusion sheet 20.

The LED light 30 is installed in a wide (about 180 °) LED light to prevent the shadow area is generated on both sides of the other LED light 30 in the state installed in the installation groove (21).

As shown in FIG. 5, the LED light 30 installed on the diffusion sheet 20 and the LED light 30 installed on the other diffusion sheet 20 are installed to be offset from each other, thereby preventing the occurrence of a shadowed area.

The LED lighting 30 is installed in the installation groove 21 of the diffusion sheet 20 in the state in which the plurality of diffusion sheets 20 are installed as described above, and the LED lighting 30 installed in the other diffusion sheet 20. By preventing the occurrence of the shadow area by the light of the LED lighting 30 has the advantage that evenly transmitted to the diffusion sheet (20).

6 is a plan view showing another embodiment of the diffusion sheet of Figure 1, Figure 7 is a cross-sectional view showing a detailed configuration of FIG.

6 and 7 shows another embodiment of the diffusion sheet, the configuration of the base panel 10, the cover 40, the frame 50 of the present invention is shown in Figures 1 to 3 Since the same configuration as described, the description thereof will be omitted, and the configuration of the diffusion sheet 20 is configured differently.

6 and 7, the LED sheet 30 is installed at each corner of the diffusion sheet 20, the LED sheet 30, the diffusion sheet 20 in order to prevent the shading occurs in the light reaches the portion. A plurality of light collection groove 22 is formed in the center portion.

The light collection groove 22 is formed at a predetermined depth from the bottom of the diffusion sheet 20 toward the top, as shown in the drawing, the thickness of the diffusion sheet 20 at this time is processed using a laser.

In addition, as shown in Figures 6 and 7 formed in the diffusion sheet 20 is not formed only in the central portion, in order to further highlight the letters, pictures, etc. represented on the cover to form a groove along the outer edge of the letters and pictures can do.

(이하 '로고'라 함,)와 같이 표지에 표현되어 있다면 상기 글씨가 위치 부분의 주위에 엘이디조명(30)의 빛이 집중적으로 모여질 수 있도록 글씨 외곽에 맞게 확산시트(20)에 빛모음홈(22)을 형성한다.For example, although not shown in the drawing,

If it is expressed on the cover as (logo,), the light is collected on the diffusion sheet 20 to fit the font so that the light of the LED light 30 is concentrated around the position portion The groove 22 is formed.

As another example, the light collection groove 22 is formed at a position corresponding to the diffusion sheet 20 so that light may radiate from the outer portion of 's' and the outer portion of 'ㅏ', and the outer portion of 'ㅁ' in Samsung's three. To make the letters more shining.

And in the case of the LG logo, the company logo is formed with a smile, so that the specific portion, that is, the light collection groove ( 22) so that light can gather and emit more strongly than other parts.

In other words, because it expresses in partly strong, such as company brand, company name, etc., there is an advantage that can strongly imprint the brand image to the consumer.

In addition, since the lights installed in neon signs, advertising towers, lighting advertising signs, painting signs, plastic signs, cine signs, etc. can be installed as a substitute, it can be produced at a lower cost than the existing billboards, and its weight is also reduced. Significantly lighter than billboards, road signs, notice boards, etc. There is an advantage that is very easy to install.

In the detailed description of the present invention described above with reference to the preferred embodiment of the present invention, the scope of protection of the present invention is not limited to the above embodiment, and those skilled in the art of the present invention It will be understood that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention.

1 is an exploded perspective view showing a configuration according to an embodiment of the present invention.

2 is a cross-sectional view showing a coupling state of FIG.

3 is a plan view showing a state in which the LED is installed in the diffusion sheet of FIG.

4 is a plan view showing another embodiment of FIG.

5 is a plan view showing another embodiment of FIG.

6 is a plan view showing another embodiment of the diffusion sheet of FIG.

7 is a cross-sectional view showing the detailed configuration of FIG.

* Description of the symbols for the main parts of the drawings *

10: base panel 20: diffusion sheet

21: Light collection groove 22: Installation groove

30: LED lighting 31: substrate

40: cover 50: frame

Claims (6)

Base panel 10 is configured, the cover 40 is installed on the base panel 10, the lighting device for emitting light between the base panel 10 and the cover 40 is configured, the base In the lighting device to be used for advertising panels, guide signs, notice board composed of a frame 50 for fixing the panel 10 and the cover 40, The lighting device is a diffusion sheet 20 is installed between the base panel 10 and the cover 40, the LED illumination 30 in the corner of the diffusion sheet 20 so that light is emitted toward the cover 40 by irradiating light Lighting device characterized in that the installation. The method of claim 1, The diffusion sheet 20 is provided with an installation groove 21, the illumination device, characterized in that the LED illumination 30 is installed in the installation groove (21). The method of claim 1, Lighting device, characterized in that the light diffusion groove 22 is formed in the diffusion sheet 20 to collect the light of the LED lighting (30). The method of claim 1, The LED lighting 30 is the illumination politics, characterized in that installed on the upper and lower portions of the corner and the center portion of the diffusion sheet 20, respectively. 6. The method according to claim 1 or 5, The LED lighting 30 is an illumination device, characterized in that light is irradiated at the same angle as the corner angle of the diffusion sheet (20). Base panel 10 is configured, the cover 40 is installed on the upper portion of the base panel 10, the lighting device for emitting light between the base panel 10 and the cover 40 is installed, the base In the lighting device to be used for advertising panels, guide signs, notice board composed of a frame 50 for fixing the panel 10 and the cover 40, The lighting apparatus is provided with a diffusion sheet 20 having an installation groove 21 formed between the base panel 10 and the cover 40, and the installation groove 21 of the diffusion sheet 20 is irradiated with light LED light (30) is installed so that the light is irradiated toward, The LED lighting 30 is installed to deviate from the position of the other LED lighting 30 of the diffusion sheet 20 is installed adjacent to the illumination device, characterized in that to prevent the occurrence of shadows generated on both sides of the LED lighting (30).

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