KR20100105325A - Lighting apparatus using led and streetlight using the same - Google Patents

Abstract

PURPOSE: A lighting apparatus using an LED and a streetlight using the same are provided to sufficiently disperse light on an illumination area by optimizing the divergence angle of light from the LED. CONSTITUTION: A center light-emitting diode module(20) comprises a plurality of LED devices(10) projecting light forward. A pair of lateral light-emitting diode modules(22) are arranged at both sides in parallel with each other. The lateral light-emitting diode module is slanted backward. The lateral light-emitting diode modules include an LED device projecting light forward. The lateral light-emitting diode module is brighter than the center light-emitting diode module.

Description

Lighting apparatus using LED and streetlight using the same}

The present invention relates to a lighting device, and more particularly, to an LED lighting device for lighting using the LED and a street lamp using the same.

In general, the lighting device is widely used as a lighting means for indoor or outdoor (for example, a street lamp) or a notification means such as a traffic light, a warning light.

As a lighting device, a filament that emits light while being heated to a high temperature is used when a current is supplied, and in recent years, a lighting device using an LED (LED) that consumes less power, has excellent light brightness, and has a long lifespan is attracting attention. I am getting it.

However, since the LED has a very high light intensity but strong straightness of light, low light diffusion characteristics and low side roughness, LEDs have problems to be improved in order to be used as lighting devices.

The present invention has been made to solve the above problems, to provide an LED lighting apparatus and improved street lighting using the improved lighting characteristics to illuminate the illuminance in the lighting area illuminated by the street lamp more than a certain value. It is done.

The present invention was created to achieve the object of the present invention as described above, the present invention comprises a central LED module having a plurality of LED elements for irradiating light toward the front; A pair of side LED modules disposed on both sides of the central LED module and having a plurality of LED elements respectively irradiating light toward the front; A diverging part for controlling divergence of light of the LED element; The pair of side LED module is installed inclined 23 ° to 43 ° toward the rear with respect to the central LED module, the divergence angle controlled by the diverging unit is characterized in that the LED lighting device is 30 ° to 50 ° It starts.

The present invention also comprises a central LED module having a plurality of LED elements for irradiating light forward; A pair of side LED modules disposed side by side on each of the central LED modules while being inclined toward the rear with respect to the central LED module, each having a plurality of LED elements for irradiating light toward the front; Disclosed is an LED lighting apparatus, characterized in that the light emitting amount of the side LED module is larger than the light emitting amount of the central LED module.

LED elements having the same emission amount may be installed in the central LED module and the side LED module, and the number of LED elements installed in the side LED module may be larger than the number of LED elements of the central LED module.

The present invention also comprises a central LED module having a plurality of LED elements for irradiating light forward; A pair of side LED modules disposed side by side on each of the central LED modules while being inclined toward the rear with respect to the central LED module, each having a plurality of LED elements for irradiating light toward the front; A diverging part for controlling divergence of light of the LED element; Disclosed is an LED lighting device, characterized in that the divergence angle of the side LED module controlled by the diverging unit is smaller than the divergence angle of the central LED module controlled by the diverging unit.

A frame having a space in which the central LED module and the pair of side LED modules can be installed, and having an open front surface; A frame cover coupled to the frame to cover the opened front side of the frame, the frame cover transmitting light by the LED element; The diverging unit may be installed in the frame cover.

A portion of the frame cover other than the diverging portion may be opaque.

At least one lateral extension LED module disposed side by side opposite the central LED module with respect to the side LED module and having a plurality of LED elements whose emission is controlled by the diverging unit; The side extension LED module is installed to be inclined with respect to the neighboring side LED module or the neighboring side extension LED module, the inclination angle may be configured to be equal to or smaller than the inclination angle of the side LED module.

The divergence angle of the light of the side extension LED module controlled by the diverging unit may be configured to 10 ° to 30 °.

The side LED module may be arranged side by side opposite to the central LED module, and may further include at least one side extension LED module having a plurality of LED elements.

The present invention also includes a crosspiece installed in the structure; Disclosed is a street light including an LED lighting device having the above configuration and installed on the crosspiece.

The LED lighting device may be disposed along an installation direction of a neighboring street light in which the central LED module and the pair of side LED modules are installed in the same manner as the street light and the street light.

The installation height of the LED lighting device may be 8m to 12m, the horizontal distance that the street light is spaced apart from the neighboring street light may be 12m to 18m.

The LED lighting device and the street lamp using the same according to the present invention are installed such that the central LED module and the side LED modules are inclined with each other, and the inclination angle and the divergence angle of the light of the LED element are optimized, so that the light is sufficiently illuminated in the illuminated area. As well as being widely spread, a certain level of illuminance can be secured over the entire lighting area, so that the diffusion and illuminance characteristics of the light using the LED element are very excellent.

 In addition, the LED lighting device and the street lamp using the same according to the present invention, the central LED module and the side LED modules are inclined with each other, the luminance of the side LED module is greater than the brightness of the central LED module to ensure sufficient illumination to a large area Since it is possible to have a very excellent diffusion characteristics and illumination characteristics of the illumination using the LED element.

In addition, the LED lighting device and the street lamp using the same according to the present invention, the central LED module and the side LED modules are inclined with each other, the divergence angle of the side LED module is smaller than the divergence angle of the central LED module enough illumination in a wide lighting area Since it can be secured there is an advantage that the lighting characteristics using the LED element is very excellent.

In particular, as described above, since it may have illuminance above a certain value in a considerably wide lighting area, it is very suitable for outdoor use, especially for street light.

In addition, when used in the street lamp, since it is possible to illuminate in a fairly large lighting area as described above, the distance between the street lamps can be significantly increased, thereby reducing the street lamp installation costs by reducing the number of installation of the street lamps In addition, damage to the surrounding landscape caused by the installation of street lights can be reduced.

Hereinafter, with reference to the accompanying Figures 1 to 3 will be described in detail with respect to the first embodiment of the present invention.

1 is a schematic diagram of an example in which the LED lighting apparatus according to the present invention is used for a street lamp, Figure 2 is a perspective view of the LED lighting apparatus according to a first embodiment of the present invention, Figure 3 is a cross-sectional view taken along the line AA of FIG. .

The street lamp 2 using the LED lighting apparatus according to the first embodiment of the present invention, the cross-section 4 having a predetermined height and installed on the structure, such as a road and the LED lighting installed at a predetermined height on the cross-section 4 It comprises a device (6).

The LED lighting device 6 may include a plurality of LED modules 20, 22, 24, 26 having a plurality of LED elements 10 for emitting light toward the front.

The LED device 10 is a semiconductor device 10 that emits light by an external power supply. The LED device 10 emits monochromatic light such as blue, red, and green, or the LED device 10 of red, green, and blue tricolor light may be used. have.

The type, the number of installation and the arrangement pattern of the LED element 10 can be determined in various ways in consideration of the use, function, etc. of the LED lighting device 6, various LED installation substrates 12, such as PCB, FPCB, metal PCB ) May be installed by soldering or the like. One LED module may be configured by one or more LED installation substrates 12, depending on the size of the LED module. The LED installation substrate 12 may have various shapes and structures, such as a quadrangle, a polygon, a circle, an ellipse, and an irregular shape, depending on the size, shape, and structure of the LED module.

The plurality of LED modules 20, 22, 24, 26 are formed separately as shown and may be integrally formed by the frame 40, the plurality of LED modules 20, 22, 24, 26 itself May be formed integrally. In addition, the plurality of LED modules 20, 22, 24, 26 may be installed to be connected as one by the frame 40, as shown, of course, may be installed spaced apart a predetermined interval.

The plurality of LED modules 20, 22, 24, and 26 may have a planar structure, but it may be more preferable to take a three-dimensional structure so that the light of the LED element 10 can be sufficiently diffused in all directions.

Particularly, the plurality of LED modules 20, 22, 24, and 26 take a three-dimensional structure as follows so that there is insufficient lighting or blind spots outside the lighting area between the street lamp 2 and the street lamp 2. It may be more preferable.

That is, the plurality of LED modules 20, 22, 24, and 26 are disposed at both sides of the central LED module 20 and the central LED module 20, respectively, and are rearward with respect to the central LED module 20. It comprises a pair of side LED module 22 is installed to be inclined toward the center, the central LED module 20 and the pair of side LED module 22 and the street light (2) and the street light (2) and It may be arranged side by side along the direction (arrow A) spaced a predetermined distance of the neighboring street lights (2A, 2B) installed in the same manner.

In addition, the pair of side LED module 22, the inclination angle inclined with respect to the central LED module 20 (hereinafter referred to as' first inclination angle (α1) for convenience of description)) 23 ° to 43 It is more preferable that it is limited to °. That is, since the first inclination angle α1 is limited, as described below with reference to FIGS. 4 and 5, the lighting property of the LED lighting device 6 according to the first embodiment of the present invention is very excellent. Can be obtained.

The central LED module 20 and the side LED module 22 may take a rectangular shape as shown, and in addition, it may take various shapes such as a polygon, a circle, an ellipse, such as a triangle, a pentagon, a hexagon, and the like as needed. .

Meanwhile, the plurality of LED modules 20, 22, 24, and 26 are different from the arrangement direction (arrow A) with the pair of side LED modules 22 in addition to the pair of side LED modules 22 described above. The side LED module 24 may be further disposed to be inclined with respect to the central LED module 20 while being disposed side by side with the central LED module 20 in a direction.

In addition, the LED lighting device 6 according to the first embodiment of the present invention, the LED device 10 so that the light emitted from the LED device 10 is sufficiently emitted in the illumination area while being emitted, A diverging portion 30 for adjusting the divergence range of the light, that is, the divergence angle may be further included.

The diverging unit 30 may be integrally formed with the plurality of LED modules 20, 22, 24, and 26. In this case, the diverging unit 30 may be configured as a separate member as shown, and may be coupled to the plurality of LED modules 20, 22, 24, and 26, but the LED installation substrate 12 is not illustrated. It may be formed integrally with the plurality of LED modules 20, 22, 24, 26, including.

The diverging unit 30 adjusts the divergence of the light by the respective LED elements 10 as shown, so that the diffusion and illuminance characteristics of the illumination can be easily controlled. ) May correspond to each other. Although not shown, if necessary, the diverging unit 30 may be configured to adjust the divergence of light by the two or more LED elements 10 together.

The diverging unit 30 is closely coupled to the plurality of LED modules 20, 22, 24, and 26, more precisely, to the LED installation substrate 12, and a space into which the LED element 10 can be inserted. It may be configured to include a (32 '), the diverging portion body 32 is opened in the front so that the light of the LED element 10 can be emitted.

The diverging body 32 may take the shape of a horn as shown, and may also take various shapes according to the divergence angle (hereinafter, referred to as the first divergence angle θ1).

The diverging body 32 may be formed of a material through which the light of the LED element 10 is not transmitted through the diverging body 32, or may be processed by coating or the like.

Furthermore, in order to prevent light loss of the LED device 10, the diverging body 32 may be formed such that at least an inner surface thereof reflects the light of the LED device 10. To this end, the diverging part body 32 may be formed of a material capable of reflecting light of the LED element 10, may be treated to be reflective by coating, or the like, and a reflecting plate may be installed on an inner surface thereof.

The diverging unit 30 may further include an diverging unit cover 34 covering the opened front surface of the diverging unit body 32 and transmitting light of the LED element 10.

The diverging part cover 34 may be formed in a plane such that light emitted by the LED element 10 may be transmitted straight through the diverging part cover 34. Alternatively, although not shown, the diverging part cover 34 may be formed as a concave or convex lens in order to control the divergence of the light by the LED element 10.

In addition, the diverging part cover 34 may be formed with a scattering layer on the surface or a translucent arc formed of a diffusion film such as resin or PC material in order to prevent glare due to the strong straightness of the LED element 10.

In particular, the diverging unit 30 may be more preferably configured such that the first divergence angle θ1 may be limited to 30 ° to 50 °. That is, since the first divergence angle θ1 is limited, as described below with reference to FIGS. 4 and 5, the diffusion and roughness characteristics of the LED lighting device 6 according to the first embodiment of the present invention are very high. The effect of being excellent can be obtained.

Here, the first divergence angle θ1 of the central LED module 20 and the first divergence angle θ1 of the lateral LED module 22 may be the same as shown in the figure, or the first It may differ from each other within the range of the divergence angle θ1. In the latter case, the light by the LED element 10 of the side LED module 22 diffuses more rapidly than the light by the LED element 10 of the central LED module 20 by the first inclination angle α1. The first divergence angle θ1 of the side LED module 22 may be the center LED so that sufficient illuminance by the light of the LED element 10 of the side LED module 22 may be ensured. It may be more preferable to be smaller than the first divergence angle θ1 of the module 20.

When the LED lighting device 6 is used for the street light 2, the installation height of the LED lighting device 6 is 8 m to 12 m, and the street light 2 is spaced apart from neighboring street lights 2A and 2B. The horizontal distance to be limited to 12m to 18m, while meeting the current installation standard of the general street light (2) can be secured excellent lighting characteristics as described below with reference to FIGS. 4 and 5.

4 and 5 show that the first inclination angle α1 is 40 ° and the first divergence angle θ1 is 40 °, respectively, and the installation height of the LED lighting device 6 according to the present invention is 10 m. Experimental results. 4 is the installation height of the LED lighting device 6, and the X axis of FIGS. 4 and 5 is a horizontal distance from the installation point of the LED lighting device 6 along the arrow A direction shown.

4 and 5, when the LED lighting device 6 according to the present invention is used for the street light 2, light by the LED element 10 may be diffused to a point where the horizontal distance is about 15 m. It can be seen that the illumination can be sufficiently illuminated as approximately 10 Lux.

The superiority of the diffusion characteristics and illuminance characteristics of the LED lighting device 6 according to the present invention can be clearly seen with reference to FIGS. 14 and 15.

14 and 15 are graphs of the illumination characteristics of the LED lighting apparatus 6 according to the present invention and a comparison target, wherein the first divergence angle θ1 is 15 ° outside the optimum value of the first divergence angle θ1 described above. 4 and 5 and the experimental conditions other than the first divergence angle θ1 are the same.

Referring to FIG. 14, it can be seen that the illumination is not diffused only up to the horizontal distance of about 10 m. Referring to FIG. 15, not only the illumination is very uneven but also the blind spots having insufficient illumination may be formed. It can be seen that. In other words, the first inclination angle θ1 and the first inclination angle α1 have a great influence on an illumination characteristic, in particular, the illuminance in the illumination area. The first divergence angle θ1 and the first inclination angle α1 The adjustment of) is very important.

Meanwhile, the LED lighting device 6 according to the present invention has a space in which the plurality of LED modules 20, 22, 24, and 26 can be installed, and has a front face for emitting light of the LED element 10. The frame 40 may further include an open frame 40 and a frame cover 42 covering the opened front surface of the frame 40 and transmitting light of the LED.

The frame 40 may take various shapes and structures, and at least a part of the frame 40 may be configured to be capable of heat dissipation by a heat dissipation material or a heat dissipation plate, a heat dissipation hole, or the like for heat dissipation of the LED module.

The frame 40 may include a plurality of LED modules 20, 22, 24, and 26, and a driving circuit module such as a power supply unit and a ballast for driving the LED element 10, and the like. .

The frame cover 42 may take various shapes and structures as necessary, including a curved surface as shown. The frame cover 42 may be formed of a transparent material including glass, and a scattering layer may be formed on a surface of the glass to prevent glare, or a translucent arc may be formed of a diffusion film such as resin or PC material. .

Hereinafter, with reference to the accompanying Figure 6 will be described in detail with respect to the second embodiment of the present invention.

For reference, the second embodiment of the present invention is referred to by the same reference numerals for the same and similar configurations and functions as the first embodiment of the present invention by referring to the first embodiment of the present invention described above. In addition, duplicate description is abbreviate | omitted.

6 is a cross-sectional view of the LED lighting device 6 according to the second embodiment of the present invention.

In the LED lighting device 6 according to the second embodiment of the present invention, the plurality of LED modules 20, 22, 24, 26 includes a central LED module 20, a pair of side LED module 22 At least one having a plurality of LED elements 10 arranged side by side on the opposite side of the central LED module 20 with respect to the side LED module 22 and the divergence of light is controlled by the diverging unit 30, respectively. The side extension LED module 26 may be further included.

That is, the side extension LED module 26 may be installed so as to extend further one by one in the pair of side LED module 22, as shown. Although not shown in the drawing, if necessary, the side extension LED module 26 may be further installed in any one of the pair of side LED modules 22, and two or more in each side LED module 22. This can be installed further.

In particular, the side extension LED module 26 is installed to be inclined with respect to the neighboring side LED module 22 or the neighboring side extension LED module 26, the light by the LED element 10 is wide and uniformly diffused In order to be gently inclined, the inclination angle (hereinafter referred to as 'second inclination angle α2' for convenience of description) is determined by the side LED module 22 as shown in FIGS. 7 and 8. It may be more preferable that one inclination angle α1 is the same.

Alternatively, as a third embodiment of the present invention, as shown in FIGS. 9 to 11, it may be more preferable that the second inclination angle α2 is smaller than the first inclination angle α1. In this case, the second inclination angle α2 is preferably about 18 ° to 28 °.

In addition, the divergence angle of the lateral extension LED module 26 (hereinafter referred to as 'second divergence angle θ2' for convenience of description) is the central LED module 20 and the lateral LED module 22. It may be equal to the first divergence angle (θ1) of. Alternatively, the side extension LED module 26 may be sufficiently inclined with respect to the central LED module 20 so that light emitted by the LED element 10 of the side extension LED module 26 may be sufficiently diffused. 9 to 11, the second divergent angle θ2 may be more preferably 10 ° to 30 ° so as to be smaller than the first divergent angle θ1.

7 and 8 illustrate that the first inclination angle α1 is 25 degrees, the second inclination angle α2 is 25 degrees, the first divergence angle θ1 is 40 degrees, and the second divergence angle θ2. This is 40 °, the test result when the installation height of the LED lighting device 6 according to the invention is 10m. The Y axis of FIG. 7 is the installation height of the LED lighting device 6, and the X axis of FIGS. 7 and 8 is a horizontal distance from the installation point of the LED lighting device 6. As shown in FIG.

7 and 8, when the LED lighting device 6 according to the present invention is used for the street light 2, the light by the LED element 10 is sufficiently diffused to a point where the horizontal distance is about 18 m. It can be seen that the illuminance can be sufficiently illuminated as approximately 10 Lux.

10 and 11, the first inclination angle α1 is 35 °, the second inclination angle α2 is 21 °, the first divergence angle θ1 is 40 °, and the second divergence angle θ2 is shown. Is 20 °, and the test result when the installation height of the LED lighting device 6 according to the present invention is 10m. The Y axis of FIG. 10 is the installation height of the LED lighting device 6, and the X axis of FIGS. 10 and 11 is a horizontal distance from the installation point of the LED lighting device 6.

10 and 11, when the LED lighting device 6 according to the present invention is used for the street light 2, light by the LED element 10 is sufficiently diffused to a point where the horizontal distance is about 18 m. It can be seen that the illuminance can be sufficiently illuminated as approximately 20 Lux. 10 and 11, the second inclination angle α2 is smaller than the first inclination angle α1 and the second divergence angle θ2 is smaller than the first divergence angle θ1. By doing so, it can be more preferable in that the illumination can be made uniformly along the horizontal distance.

Hereinafter, the fourth and fifth embodiments of the present invention will be described in detail with reference to FIGS. 12 and 13.

For reference, the fourth and fifth embodiments of the present invention are similar to and similar to the first to third embodiments of the present invention and the diverging part 30 except for the diverging part 30 and the frame cover 42. Since the above-described first to third embodiments of the present invention may be referred to, the same reference numerals refer to the same or similar structures and functions as the first to third embodiments of the present invention. In addition, duplicate description is abbreviate | omitted.

As shown in FIG. 12, in the LED lighting device 6 according to the fourth embodiment of the present invention, the diverging part 30A may be integrally formed with the frame cover 42.

To this end, the diverging part 30A, more specifically, the diverging part cover 34A through which the light of the LED element 10 is transmitted, may be formed separately from the frame cover 42 and installed on the frame cover 42. As illustrated, it may be more preferable that the frame cover 42 is integrally formed with the frame cover 42. In the latter case, as shown, the diverging portion 30A may be formed in the convex and concave shapes of the frame cover 42, and may be variously formed.

The diverging unit 30A may be configured in plural to correspond to each of the LED elements 10 one-to-one, or may be configured to be smaller or larger than the number of the LED elements 10 as necessary.

Furthermore, the frame cover 42 is formed to be opaque to prevent light transmission, except for the portion 42A integrally formed with the diverging portion 30A so that light does not penetrate through the diverging portion 30A. It may be more preferable.

Alternatively, as shown in FIG. 13, in the fifth embodiment of the present invention, the diverging part 30 includes the diverging part cover 34A and the frame cover as in the fourth embodiment described above with reference to FIG. 12. 42 and may be integrally formed, and further include a diverging part body 32A protruding toward the LED element 10 so as to surround the LED element 10.

On the other hand, the LED lighting device 6 according to the present invention can be configured as follows.

The LED lighting device 6 is the same as the first to third embodiments of the present invention, the LED element of the central LED module 20 and the side LED module 22, and the side extended LED module 26 ( 10) may be configured to have the same size, number, arrangement pattern, and density.

However, as described above, the side LED module 22 and the side extension LED module 26 are installed to be inclined by the central LED module 20, thereby to determine the LED elements 10 of the side LED module 22. Light, the light of the lateral extension LED module 26 can be sufficiently diffused.

Therefore, it is more preferable that the luminance of the side LED module 22 and the side LED module 22 is greater than the luminance of the central LED module 20 so that sufficient illuminance can be secured even if the horizontal distance becomes far. You can do it.

To this end, as in the first to third embodiments of the present invention, the number of LED elements 10 of the central LED module 20, the side LED module 22, and the side extension LED module 26 or The number and density are the same, but the light quantity of the LED element 10 of the side LED module 22 and the side extension LED module 26 is greater than the light quantity of the LED element 10 of the central LED module 20. Can be.

The amount of light of the LED element 10 may be adjusted according to the amount of current supplied to the LED element 10, the semiconductor characteristics of the LED element.

Alternatively, the central LED module 20, the side LED module 22, and the amount of light of the LED elements 10 of the lateral extension LED module 26 are equal to each other, as in the fourth and fifth embodiments of the present invention. In addition to the number or the number of the LED element 10 of the side LED module 22, the side extension LED module 26, the density and the number or the number of the LED element 10 of the central LED module 20 It can be configured to be larger.

That is, since the brightness per unit area of the side LED module 22 and the side extension LED module 26 is greater than the brightness per unit area of the central LED module 20, even the distance from the LED lighting device 6 is increased. Sufficient illuminance can be ensured.

In addition, the first divergence angle θ1 of the lateral LED module 22 is equal to the first of the middle part LED module so that sufficient illuminance may be ensured even if the horizontal distance is far from each other. It may be more preferably configured to be smaller than one divergence angle θ1.

Since the above has been described only with respect to some of the preferred embodiments that can be implemented by the present invention, the scope of the present invention, as is well known, should not be construed as limited to the above embodiments, the present invention described above It will be said that both the technical idea and the technical idea which together with the base are included in the scope of the present invention.

1 is a schematic diagram of an example in which the LED lighting device according to the present invention is used for a street lamp.

2 is a perspective view of the LED lighting apparatus according to the first embodiment of the present invention.

3 is a cross-sectional view taken along the line A-A of FIG.

4 is a conceptual diagram illustrating lighting characteristics of the LED lighting apparatus of FIG. 3.

5 is a graph showing the lighting characteristics of the LED lighting apparatus of FIG.

6 is a cross-sectional view of the LED lighting apparatus according to the second embodiment of the present invention.

FIG. 7 is a conceptual diagram illustrating an LED lighting device ˜ lighting characteristics of FIG. 6.

8 is a graph showing the lighting characteristics of the LED lighting apparatus of FIG.

9 is a cross-sectional view of the LED lighting apparatus according to a third embodiment of the present invention.

FIG. 10 is a conceptual diagram illustrating lighting characteristics of the LED lighting apparatus of FIG. 9.

FIG. 11 is a graph showing lighting characteristics of the LED lighting apparatus of FIG. 9.

12 is a cross-sectional view of the LED lighting apparatus according to the fourth embodiment of the present invention.

13 is a cross-sectional view of the LED lighting apparatus according to the fifth embodiment of the present invention.

14 is a conceptual diagram illustrating lighting characteristics of a comparison target for the LED lighting apparatus according to the present invention.

15 is a graph showing the illumination characteristics of the comparison target for the LED lighting apparatus according to the present invention.

<Explanation of symbols on main parts of the drawings>

2; Street light 4; crossbar

6; LED lighting device 10; LED element

12; LED installation member 20; Central LED Module

22; Side LED module 26; Lateral extension LED module

30, 30A; Divergent 32, 32A; Divergent body

34, 34A; Divergent cover 40; frame

42; Frame cover

Claims (6)

A central LED module having a plurality of LED elements for irradiating light toward the front; A pair of side LED modules disposed side by side on each of the central LED modules while being inclined toward the rear with respect to the central LED module, each having a plurality of LED elements for irradiating light toward the front; LED lighting apparatus, characterized in that the light emitting amount of the side LED module is larger than the light emitting amount of the central LED module. The method according to claim 1, LED devices having the same amount of light emission are installed in the central LED module and the side LED module, and the number of LED elements installed in the side LED module is larger than the number of LED elements of the central LED module. The method according to claim 1 or 2, LED side lighting apparatus further comprising at least one side extension LED module disposed side by side opposite the central LED module with respect to the side LED module, the plurality of LED elements. A crosspiece installed in the structure; Street light including the LED lighting device of claim 1 or 2 installed on the crosspiece. The method according to claim 4, The LED lighting device is a street light, characterized in that the central LED module and the pair of side LED module is disposed along the installation direction of the neighboring street lamp is installed in the same way as the street lamp and the street lamp. The method according to claim 5, The installation height of the LED lighting device is 8m to 12m, the street light is characterized in that the horizontal distance from the neighboring street light is 12m to 18m.

Images