KR101848801B1 - Lighting device - Google Patents

Abstract

An illumination device according to an embodiment of the present invention includes a substrate; A light emitting portion disposed on the substrate and including a plurality of LEDs; A reflective plate disposed on the substrate and having a plurality of holes into which the plurality of LEDs are inserted; A diffusion plate disposed on the reflection plate; And a case having the light emitting unit and the reflection plate disposed therein and including a bottom plate and side walls extending from both side ends of the bottom plate, the substrate being disposed closer to the diffuser plate than the bottom plate of the case.

Description

LIGHTING DEVICE

The present invention relates to a lighting apparatus, and more particularly to an LED lighting apparatus in which a plurality of LEDs are arranged.

Light emitting diodes (LEDs) are a type of semiconductor devices that convert electrical energy into light. The life span of the bulb is not long and the lifetime is shortened according to the use time, so that it is necessary to periodically check and replace the bulb, so that the bulb replacement cost and the management cost are incurred, resulting in a further operating cost. Light emitting diodes have advantages of low power consumption, semi-permanent lifetime, fast response speed, safety, and environmental friendliness compared to conventional light sources such as fluorescent lamps and incandescent lamps. Therefore, light emitting diodes are used for indoor and outdoor lamps, liquid crystal display devices, Is a trend replacing a conventional bulb as a light source of a lighting device of the present invention.

An embodiment of the present invention is to provide a lighting device capable of increasing the amount of light.

An illumination device of an embodiment of the present invention includes a light emitting portion including a plurality of LEDs; A reflection plate disposed on the light emitting portion; A diffusion plate disposed in a direction in which light is emitted from the LED; And a case including a base plate on which the light emitting unit is placed and a side wall extending from both side ends of the base plate so that the light emitting unit is adjacent to the diffusion plate in a region where the side wall meets a louver or an upper plate extending from the side wall Lt; / RTI >

And a heating unit contacting the substrate.

The heating portion may include a radiating fin.

The heat-generating portion may include a heat-radiating sheet.

The heat generating portion may be positioned between the substrate and the base plate.

The present invention increases the amount of light by locating the light emitting portion adjacent to the diffuser plate in the region where the side wall of the case and the louver or the top plate extending from the side wall meet.

1A and 1B are cross-sectional views of a first single illumination module 10A.
2A and 2B are cross-sectional views of a second single illumination module 10B.
Figures 3a and 3b are cross-sectional views of a third single illumination module 10C.
4 is a perspective view of the lighting apparatus 1A according to the first embodiment.
5 is a perspective view showing a cross section of the lighting apparatus 1A according to the first embodiment.
6 is a sectional view of the lighting apparatus 1A according to the first embodiment.
7 is an exploded perspective view of the lighting apparatus 1A according to the first embodiment.
8 is a sectional view of two cases 100 of the lighting apparatus 1A according to the first embodiment.
9 is a perspective view showing a state in which the light emitting unit 200 and the reflection plate 400 are coupled.
10 is an exploded perspective view of the light emitting unit 200 and the reflection plate 400. FIG.
11A and 11B are sectional views of a lighting device 1B according to a second embodiment.
12A and 12B show another example of the lighting device 1B according to the second embodiment.
13 is a perspective view of a lighting apparatus 1C according to the third embodiment.
14 is a sectional view of a lighting device 1C according to the third embodiment.
15 is a sectional view of a lighting device 1D according to the fourth embodiment.
16 is a sectional view of the lighting device 1E according to the fifth embodiment.
17 is another example of the case 100 of the lighting apparatus 1E according to the fifth embodiment.
18 is still another example of the case 100 of the lighting apparatus 1E according to the fifth embodiment.
Fig. 19 is an exploded perspective view of a lighting apparatus 1F according to a sixth embodiment. Fig.
20 is a perspective view of a lighting apparatus 1F according to the sixth embodiment.
21 is a cross-sectional view of the lighting apparatus 1F according to the sixth embodiment.
22 is another embodiment of the reflection plate 400. Fig.
23 is a perspective view of the power supply control section 20. Fig.
24 is a front view of the power supply control section 20. Fig.
25 shows an embodiment 300A of a diffuser plate 300;
26 shows another embodiment 300B of the diffuser plate 300. Fig.
27 shows another embodiment 300C of the diffuser plate 300. Fig.
28 shows another embodiment 300D of the diffuser plate 300. Fig.
29 is an embodiment of the side cover 40. Fig.
30 is another embodiment of the side cover 40. Fig.
31 is a perspective view showing an embodiment 30A of the bracket 30. Fig.
32 is a perspective view showing another embodiment 30B of the bracket 30. Fig.
33 is a cross-sectional view of another embodiment of a lighting apparatus to which a single lighting module is coupled using a bracket 30A;
34 is a cross-sectional view of still another embodiment of a lighting device in which a single lighting module is combined using a bracket 30A.
35 is a cross-sectional view of another embodiment of a lighting device to which a single lighting module is coupled using a bracket 30B;
36 is a cross-sectional view of still another embodiment of a lighting apparatus to which a single lighting module is coupled using the bracket 30B;
Fig. 37 is another example 30C of the bracket 30. Fig.
38 is a view showing a structure in which the bracket 30C connects the single illumination modules 10;
39 is a cross-sectional view of a lighting module having a louver 130 of different shape.
40 is a cross-sectional view of a lighting module with another shape of louver 130;
41 is a view for explaining a louver limiting angle [theta] and a shielding angle [alpha] of the illuminating device according to the embodiment;
42 is a perspective view of the support frame 50
43 is a sectional view of the support frame 50
44 is a cross-sectional view illustrating a state in which the support frame 50 and the ceiling M-BAR are engaged.
45 is a cross-sectional view showing a state in which the support frame 50 and the ceiling T-BAR are engaged with each other.

In the description of the embodiments, references to above or below each layer are based on the drawings, unless otherwise specified, and with reference to the figures, generally the side with the base of the case is below, Assumes the side up. In Figs. 7, 13, 19, and 41, the upper side of the case with the base plate and the lower side with the diffusion plate are assumed to be downward with reference to the drawing. Also, the criteria for top, bottom, or bottom of each layer will be described with reference to the drawings. The thickness and size of each layer in the drawings are exaggerated, omitted, or schematically shown for convenience and clarity of explanation. Also, the size of each component does not entirely reflect the actual size. Further, in the case where reference numerals are not given to the term "illumination device", the illumination device encompassing the illumination devices (1, 2, 3, 4, 5, 6) according to the first to sixth embodiments is shown.

In the description of the embodiments according to the present invention, in the case of being described as being formed on the upper or lower side of each element, the upper (upper) or lower (lower) Includes all that the components are in direct contact with one another or that one or more other components are indirectly formed between the two components. Also, when expressed in terms of an upper (upper) or lower (lower) direction, it may include not only an upward direction but also a downward direction based on one component.

Hereinafter, a first single illumination module, a second single illumination module, a third single illumination module, and a lighting device according to embodiments will be described with reference to Figs.

Single lighting module

Unlike a conventional lighting device, the lighting device 1 according to the embodiment to be discussed in the following is formed in a unique manner. That is, one illumination device 1 including one single illumination module 10 and one power control section 20, or a plurality of single illumination modules 10 and at least one power control section 20 Thereby forming one lighting device 1 including the lighting device. The illumination device 1 of various sizes is formed by combining one or a plurality of the single illumination modules 10 so that there is no limitation in forming the illumination device 1 of the desired size.

The single illumination module 10 will describe three kinds of the first single illumination module 10A, the second single illumination module 10B and the third single illumination module 10C, There may be a module.

2a and 2b are cross-sectional views of a second single illumination module 10B and Figs. 3a and 3b are cross-sectional views of a third single illumination module 10c, Fig. 1A through 3B, a single lighting module 10 includes a case 100, a light emitting unit 200 emitting light, a reflection plate 400 placed in contact with the upper surface of the light emitting unit 200, And a diffusion plate 300 disposed at an upper portion of the light emitting unit 200 while being spaced apart from the light emitting unit 200. At this time, the light emitting portion 200 of the single illumination module 10 shown in FIGS. 1A, 2A, and 3A is seated on the bottom plate 110 of the case 100.

The light emitting unit 200 of the single illumination module 10 is disposed on the side wall 120 of the case 100 so that the light emitting unit 200 is adjacent to the diffuser plate 300 as shown in FIGS. 1B, 2B, And a louver 130 extending from the sidewall 120, as shown in FIG. Accordingly, the light emitting portion 200 comes close to the diffusion plate 300. As a result, the amount of light emitted through the diffusion plate 300 is increased rather than the light emitted from the light emitting unit 200 is reflected by the reflection plate 400 and is emitted through the diffusion plate 300, can do.

The light emitting unit 200 may further include a heating unit 230 contacting the substrate 220 of the light emitting unit 200 to dissipate heat of the light emitting unit 200 because the light emitting unit 200 does not contact the bottom plate 110 of the case 100 . At this time, the heat generating portion 230 may include a heat dissipating fin to increase the surface area for emitting heat or may include the heat dissipating sheet 240 described later. Further, the heat dissipating sheet 240 may be adhered with a heat dissipating fin. Accordingly, the heat radiation performance can be further improved.

The light emitting unit 200 is located in the region where the side wall 120 of the case 100 meets the louver 130 so that the light emitting unit 200 is adjacent to the diffusion plate 300, And the light emitting unit 200 may be spaced apart from each other. Accordingly, the heat generating portion can be positioned between the substrate 220 and the bottom plate 110.

The illumination device according to the embodiment of the present invention described later includes the single illumination module 10 shown in Figs. 1A, 2A and 3A, but may be a single illumination module 10 shown in Figs. 1B, 2B and 3B 10).

The first single illumination module 10A is used when forming the illumination device of the first embodiment in which the first single illumination module 10A is coupled in two in the direction perpendicular to the direction of Figure 7 (a). Alternatively, a single lighting module 10 including one light emitting portion 200 is used on both sides when forming the lighting device of the third embodiment in which three pieces are combined in a direction perpendicular to the direction of Fig. 13 (a) . Alternatively, a single lighting module 10 including one light emitting portion 200 is used on both sides when forming an illumination device of an embodiment (not shown) coupled in four or more directions perpendicular to the direction (a) .

Referring to FIGS. 1A, 5, 6 and 8, the case 100 of the first single illumination module 10A has a bottom plate 110 and extends vertically from both side ends of the bottom plate 110 Has a sidewall 120 and a louver 130 extending from an end of the sidewall 120 and tilted at an obtuse angle with respect to the (300) plane of the diffuser plate. It is also possible to have the top plate 140 instead of the louver 130, as in the second embodiment 1B shown in Figs. 11A, 11B, 12A and 12B.

A first bracket coupling part 151 for coupling the single illumination modules 10 is formed at one end of the one louver 130 of the case 100 of the first single illumination module 10A, A ceiling fixing frame 160 is formed. The first bracket coupling part 151 should be formed at the end of the one louver 130 of the case 100 of the first single illumination module 10A. The ceiling fixing frame 160 May not be formed. As a result, the first single illumination module 10A has the first bracket coupling 151 at the end of the first louver 130, which differs from the second single illumination module to be discussed below.

The second single illumination module 10B is used when forming the illumination device of the fourth embodiment having only one single illumination module including one light emitting portion 200. [ Alternatively, the single illumination module including one light emitting portion 200 may be used as a central single illumination module when forming the illumination device of the third embodiment in which three light emitting modules are combined in a direction perpendicular to the direction of Figure 13 (a) It can be used as a single lighting module on both sides. Alternatively, when forming a lighting device of an embodiment (not shown) in which a single lighting module including one light emitting portion 200 is coupled to four or more in a direction perpendicular to the (a) direction, Or as a single illumination module on both sides.

2A, 13 and 14, the case 100 of the second single illumination module 10B includes a side wall 120 having a bottom plate 110 and extending vertically from both ends of the bottom plate 110, And a louver 130 extending from an end of the side wall 120 and tilted at an obtuse angle with respect to the surface of the diffuser plate. The upper plate 140 may be provided instead of the louver 130. A first bracket coupling part 151 for coupling the single illumination modules 10 to each other is formed at the end of the both side louvers 130 of the case 100 of the second single illumination module 10B.

The third single illumination module 10C is used to form the illuminating device according to the fifth embodiment shown in Fig. 16 having one single illumination module including two light emitting portions 200. Fig. Alternatively, a single illumination module including two light emitting units 200 is used to form the illumination apparatus of the sixth embodiment in which two illumination modules are coupled in a direction perpendicular to the direction of FIG. 19 (a). Alternatively, it is used when forming a lighting apparatus of an embodiment (not shown) in which three or more single lighting modules including two light emitting units 200 are combined in a direction perpendicular to the (a) direction.

The case 100 of the third single illumination module 10C will be described later in the description of the fifth embodiment.

First Embodiment

Fig. 4 is a perspective view of the lighting apparatus 1A according to the first embodiment, Fig. 5 is a perspective view showing a section of the lighting apparatus 1A according to the first embodiment, and Fig. 7 is a disassembled perspective view of the lighting apparatus 1A according to the first embodiment and Fig. 8 is a sectional view of two cases 100 of the lighting apparatus 1A according to the first embodiment 9 is a perspective view showing a state where the light emitting unit 200 and the reflection plate 400 are coupled to each other and FIG. 10 is an exploded perspective view of the light emission unit 200 and the reflection plate 400. FIG.

4 to 8, the lighting apparatus 1A includes two first single illumination modules 10A and a power supply control unit 10A located in the space 170 between the two first single illumination modules 10A. And a bracket 30 for coupling the two first single illumination modules 10A, and may further include a side cover 40. The bracket 30 may be provided with a plurality of first single illumination modules 10A. 1A, the first single illumination module 10A used in the first embodiment includes a case 100, a light emitting portion 200 housed in the case 100, and a diffusion Includes a plate 300, and may additionally include a reflector 400.

Referring to FIGS. 4 to 8, the first embodiment includes two first single illumination modules 10A. Alternatively, two first single illumination modules 10B may be used to configure the first embodiment. You may. Since the second single illumination module 10B has the first bracket engaging portion 151 at the end of the both side louvers 130, two second single illumination modules 10B are provided for the overall appearance of the first embodiment. There is no significant difference in appearance and function from the combination of the two first single illumination modules 10A.

Referring to FIGS. 5 and 6, the light emitting unit 200 may be disposed on the bottom plate 110 of the case 100. The power control unit 20 is disposed in the space 170 defined by the louver 130 and the side wall 120 connected thereto with the first bracket coupling portion 151 formed in the two first single illumination modules 10A . In this case, since the power supply control unit 20 is stacked below the base plate 110 and is not arranged in the vertical direction but horizontally arranged on the base plate 110, the thickness of the lighting device 1A is smaller than that of a conventional lighting apparatus It becomes thin.

The ceiling of the building where ceiling embedded lighting is installed is generally a ceiling of a concrete structure, and a structure called M-BAR or T-BAR is installed in the direction of the floor from the ceiling, and M-BAR or T- . Since the power supply control unit 20 is stacked under the bottom plate 110 and disposed in the vertical direction, the direct-type lighting apparatus installed in the ceiling of a building usually has a thickness exceeding 70 mm or more. However, since electrical wiring and pipes for air conditioning are usually disposed between the ceiling of the concrete structure and the M-BAR or the T-BAR, the space for installing the lighting device is often very narrow. Therefore, when a conventional direct lighting type lighting device is embedded in a ceiling due to space constraints, there is a problem that the M-BAR is partially cut out and installed inconveniently or the lighting position is inevitably installed at an unintended position.

On the other hand, the lighting apparatus 1A according to the first embodiment preferably has a thickness of about 45 mm, so that even when the installation space is narrow, the lighting apparatus can be freely placed on the ceiling scene and the installation is simple. Of course, the dimension of 45 mm is a numerical value exemplified for the purpose of contrast with the conventional lighting apparatus. Therefore, the lighting apparatus 1A according to the first embodiment according to the thickness of the power supply control unit 20 and / or the dimensions of the case 100 ) Can vary in various ways.

The lighting apparatus 1A may have a rectangular shape elongated in the first direction a, but the shape of the lighting apparatus 1A may be variously changed depending on the installation position and the installation environment of the lighting apparatus 1A have.

The louvers 130 on both sides of the light emitting portion 200 are arranged on the opposite sides of the diffuser plate 300 so as to allow the light emitted from the light emitting portion 200 to be emitted with a desired light distribution angle and to lighten the glare from the light. ) At an obtuse angle. If the diffuser plate is not included and the angle with respect to the diffuser plate can not be specified, the louver 130 will be specified as having a slope extending from the end of the sidewall 120 and wider toward the outside than the sidewall 120 .

The inclination of the louver 130 can be variously modified depending on the design of the lighting apparatus 1A. 9 and 10, the light emitting unit 200 may include an LED 210, a substrate 220 on which the LED 210 is mounted, and a heat-radiating sheet 240 disposed under the substrate 220 . The substrate 220 may have a coupling hole 230 for coupling with the case 100. The heat radiation sheet 240 of the single illumination module shown in Figs. 1A, 2A, and 3A contacts the substrate 220 and the bottom plate 110 of the case 100 at the same time so that the heat is transmitted to the heat radiation sheet 240 and the base plate 110 Lt; / RTI > Also, the heat-radiating sheet 240 of the single lighting module shown in Figs. 1B, 2B and 3B is discharged through the heat-radiating sheet 240 by contacting the substrate 220. Fig. The heat is discharged into the space between the bottom plate 110 of the case 100 and the light emitting portion 200.

The illumination device may further include a reflection plate 400. The reflection plate 400 reflects the light emitted from the LED 210 to the outside of the illumination device 1A and reflects light emitted from the side wall 120 of the case 100, It covers the inside of. It is preferable that the reflection plate 400 not only covers the inner surface of the side wall 120 but also the surface of the substrate 220 of the light emitting unit 200 except for the area where the LED 210 is disposed.

The power control unit 20 may include a power supply unit (PSU) (not shown) for supplying power to the lighting apparatus 1A and a driving unit (not shown) for controlling and driving the light emitting unit 200.

5, the diffusion plate 300 is disposed apart from the light emitting unit 200 in a direction in which light is emitted from the LED 210, and light emitted from the LED 210 corresponding to each point light source The light emitted from the light emitting unit 200 can have a uniform luminance with respect to the surface of the diffusion plate 300. [

The light emitting portion 200 is not formed on the front surface of the illuminator 1A but on the bottom plate 110 of the case 100. [ Therefore, even when the same number of LEDs 210 are used, the distance between the LEDs 210 can be made narrower than the case of arranging the LEDs 210 on the front surface of the lighting apparatus, Can be reduced.

On the other hand, in order for the light emitted from the LED 210, which is a point light source, to pass through the diffusion plate 300 and become a surface light source, an area in which light emitted from the adjacent LED 210 is superimposed on the surface of the diffusion plate 300 , Which means that the LED 210 and the diffusion plate 300 must be sufficiently separated from each other. However, since the spacing distance is increased, it means that the thickness of the lighting apparatus 1A is increased, and the distance between the LEDs 210 must be reduced in order to reduce the spacing distance. The light emitting unit 200 is not formed on the front surface of the illumination device 1A but is disposed on the bottom plate 110 of the case 100 so that the substrate 220 of the light emitting unit 200 is also mounted on the case 100 The width of the bottom plate 110 of the base plate 110 is limited. As a result, the spacing of the LEDs 210 disposed on the substrate 220 is naturally reduced, and the interval between the LEDs 210 and the diffusion plate 300 required to form the planar light source is also reduced.

Therefore, it is possible to provide the slim lighting apparatus 1A because of the above structural advantage. In addition, when light is irradiated on the irradiation surface of each LED in a state where there is no diffusion plate 300, a hot spot is generated. When the shape of the light source itself is directly irradiated onto the irradiation surface, a region where the light is sharply distinguished from a region where light is not sharply distinguished. In this case, a region irradiated with light such that a dark boundary and a boundary are clearly formed is called a hot spot . In the case of outdoor lighting such as a general indoor lighting or a streetlight, it is not preferable that a centralized lighting is not required, and the uniformity of the illuminated surface is lowered if a hot spot is generated. Use of the surface illuminator as in the embodiment has the advantage that the occurrence of hot spots is reduced as compared with a conventional spot illuminator, so that the illuminance distribution on the illuminated surface becomes uniform and fatigue of eyes is reduced.

Second Embodiment

Hereinafter, the lighting device 1B according to the second embodiment will be described in detail with reference to its components. In the following description of the second embodiment, the same reference numerals are given to the same portions as those of the first embodiment, and a description thereof will be omitted. Figs. 11A and 11B are cross- 1B), and Figs. 12A and 12B are other examples of the lighting apparatus 1B according to the second embodiment.

The difference of the second embodiment from the first embodiment is that the case 100 has the upper plate 140 in place of the louver 130.

Referring to FIGS. 11A, 11B, 12A and 12B, the second embodiment includes two first single illumination modules 10A, but alternatively uses two second single illumination modules 10B The first embodiment may be configured. Since the second single illumination module 10B has the first bracket engaging portion 151 at the end of both side upper plates 140, it is preferable that two second single illumination modules 10B are provided for the overall appearance of the first embodiment There is no significant difference in appearance and function from the combination of the two first single illumination modules 10A.

12A and 12B, the distance between the diffusion plate 300 and the light emitting unit 200 is set to be longer than the height of the side wall 120 in FIGS. 11A and 11B, The diffuser plate engaging groove 180 is formed at the stop of the side wall 120. In this case, due to the sidewall 120 which is perpendicular to the base plate 110 and / or the diffuser plate 300 and which is extended higher than in the first embodiment, the glare becomes more effective than the first embodiment . However, the width of the area irradiated with light on the bottom surface may be smaller than that of the first embodiment, or the uniformity of the illuminance distribution on the irradiated surface may be lower than that of the first embodiment. Therefore, it is preferable that the second embodiment is installed and used in a situation in which the prevention of glare is more preferentially required than the width of the area irradiated with light and the illuminance distribution on the irradiated surface.

11A and 12A, the light emitting unit 200 is seated on the bottom plate 110 of the case 100. In this case, 11b and 12b, the light emitting unit 200 of the single illumination module 10 is positioned at the side wall 120 of the case 100 so that the light emitting unit 200 is adjacent to the diffusion plate 300, Is located in the region where the top plate (140) extends from the top plate (120). Since the heating unit has been described above, a description thereof will be omitted.

The illumination device according to the embodiment of the present invention described later includes the single illumination module 10 shown in Figs. 11A and 12A, but may also include the single illumination module 10 shown in Figs. 11B and 12B have.

Third Embodiment

Hereinafter, the lighting device 1C according to the third embodiment will be described in detail with reference to its components. In describing the third embodiment, the same portions as those of the first embodiment will be referred to in the first embodiment, and redundant description will be omitted.

Fig. 13 is a perspective view of a lighting apparatus 1C according to the third embodiment, and Fig. 14 is a sectional view of a lighting apparatus 1C according to the third embodiment.

13 and 14, the lighting apparatus 1C includes two first single illumination modules 10A, and one second single illumination module 10B between the two first single illumination modules 10A And a power control section 20 located in at least one of the two spaces 170 formed between the first single illumination module 10A and the second single illumination module 10B And a bracket 30 for coupling the single illumination modules 11 and 12 to each other, and may further include a side cover 40. [ Here, the single illumination module 11, 12 includes a case 100, a light emitting portion 200 accommodated in the case 100, and a spaced-apart diffusion plate 300, and may further include a reflection plate 400 . Since the case 100 of the first single illumination module 10A has already been described in the first embodiment, further explanation is omitted.

In the third embodiment shown in Figs. 13 and 14, two first single illumination modules 10A and one second single illumination module 10B are provided, but three second single illumination modules 10B ) May be used to constitute the third embodiment. The first single illumination module 10A has only one first bracket coupling 151 so that it can be used in both sides only when a plurality of single illumination modules are combined to form the illumination device, Has a first bracket coupling part 151 at the end of the both side louvers 130 and can be used anywhere without covering the central part or both sides of the lighting device. And, even when the three second single illumination modules 10B are combined, there is not much difference in appearance and function from the combination of the two first single illumination modules 10A and one second single illumination module 10B.

In the third embodiment, at least one power supply control unit 20 is required to drive all three light emitting units 200. According to the drawing, there are two power supply control units 20, Emitting units 200 may be controlled. The positions of one or more power control sections 20 have been described.

Although not shown in Figs. 13 and 14, similar to the second embodiment, it is possible to have an upper plate 140 in lieu of the louver 130, an embodiment having the upper plate 140 instead of the louver 130 Are the same as those described in the second embodiment, and the description thereof will be omitted.

Fourth Embodiment

Hereinafter, the lighting device 1D according to the fourth embodiment will be described in detail with respect to its components. In describing the fourth embodiment, the same reference numerals are given to the same portions as those of the first embodiment, and redundant description will be omitted.

15 is a sectional view of a lighting device 1D according to the fourth embodiment.

15, the lighting device 1D includes a single second single illumination module 10B and includes a side wall 120 of one of the two side walls 120 of the case 100 of the second single illumination module 10B, And a power control unit 20 located on the outer surface of the main body 120, and may further include a side cover 40. The case 100 of the second single illumination module 10B has a bottom plate 110 and a side wall 120 vertically extending from both ends of the bottom plate 110. The end of the side wall 120 And a louver 130 which is inclined at an obtuse angle with respect to the plane of the diffuser plate. A first bracket coupling part 151 for coupling the single illumination modules 10 to each other is formed at the end of the both side louvers 130 of the case 100 of the second single illumination module 10B.

The fourth embodiment differs from the first, second and third embodiments in that the space 170 divided by the two louvers 150 and the side walls 120 connected thereto is limited to only one single lighting module 10 ). Therefore, the power control unit 20 is located on the outer side surface of one of the two side walls 120 of the case 100 of the second single illumination module 10B. Unlike the first, second, and third embodiments, The power control unit 20 may be unstable, so that a hole is made in the side wall, a hole is made in the power control unit 20 so that the holes are opposed to each other, The power control unit 20 can be coupled. A separate bracket (not shown) that can be coupled to the power control unit 20 is formed on the side wall 120 so that the case 100 and the power controller (20).

15, instead of the louver 130, the upper plate 140 may be provided, and in the embodiment having the upper plate 140 instead of the louver 130, The description of the second embodiment will be omitted.

Fifth Embodiment

Hereinafter, the lighting device 1E according to the fifth embodiment will be described in detail with the components as the center. In describing the fifth embodiment, the same portions as those of the first embodiment will be referred to in the first embodiment, and redundant description will be omitted.

Fig. 16 is a sectional view of the lighting apparatus 1E according to the fifth embodiment, Fig. 17 is another example of the case 100 of the lighting apparatus 1E according to the fifth embodiment, and Fig. Is another example of the case 100 of the lighting device 1E.

The illumination apparatus according to the fifth embodiment is most different from the illumination apparatus according to the first to third embodiments described above in that a single illumination module includes first and second single illumination modules 11 and 12 including only one light- , But a third single illumination module 10C including two light emitting portions.

Referring to Figs. 16 to 18, the third single illumination module 10C used in the illumination apparatus according to the fifth embodiment is the same as the first single illumination module 10C used in the illumination apparatuses according to the first to fourth embodiments, (11, 12). In the fifth embodiment, only one single lighting module is provided, and a space 170 capable of accommodating the power control unit 20 is formed without separately connecting the single lighting modules.

18 is a side view of the case 100 in which the case 100 is further provided with a lid covering the space 170 in which the power control unit 20 is housed and the power control unit 20 is surrounded by the case 100, The power control unit 20 is invisible when the user looks at the case 100 in the upward and downward directions.

16, a first bracket coupling part 151 for coupling the single illumination modules 10 to each other is formed at the ends of both side louvers 130 of the case 100 of the third single illumination module 10C The first bracket coupling part 151 may be formed only at the end of one louver 130 of the two outer louvers 130.

17 and 18, unlike the case 100 used in FIG. 16, a closed space is defined by the outermost louver 130, the outermost sidewall 120, and additional members spaced therefrom have. When the additional member is formed, the heat generated by the illumination device or the like is transmitted to the additional member, and the entire case can function as the heat discharging member, and consequently the surface area of the heat discharging member can be widened, and the heat radiating effect can be enhanced. In order to further enhance the heat radiating effect due to such additional members, it is preferable to form the case 100 through extrusion molding.

16, the lighting device 1E includes one third single illumination module 10C, and includes two inner side walls 120 and two louvers 130 of the third single illumination module 10C, And a power control unit 20 located in a space 170 partitioned by the side cover 40. The power control unit 20 may further include a side cover 40. [ Here, the third single illumination module 10C includes a case 100, two light emitting portions 200 accommodated in the case 100, and two diffusion plates 300 spaced apart from each other, 400).

The case 100 of the third single illumination module 10C has four side walls 120 having two bottom plates 110 and extending vertically from both sides of the two bottom plates 110, And has an obtuse inclined louver 130 with respect to the plane of the diffuser plate 300. The inner two louver 130 ends are connected to each other. In the absence of the diffuser plate 300, the louver 130 may be positioned to extend from both ends of the sidewall 120 to have an inclination that is wider toward the outside than the sidewall 120.

Although not shown in Figs. 16 to 18, the upper plate 140 can be provided instead of the louver 130 as in the second embodiment.

Sixth Embodiment

Hereinafter, the lighting device 1F according to the sixth embodiment will be described in detail with respect to its components. In describing the sixth embodiment, the same portions as those of the fifth embodiment will be referred to in the fifth embodiment, and redundant description will be omitted.

Fig. 19 is an exploded perspective view of the lighting apparatus 1F according to the sixth embodiment, Fig. 20 is a perspective view of the lighting apparatus 1F according to the sixth embodiment, Fig. 21 is a perspective view showing the lighting apparatus 1F according to the sixth embodiment Fig.

The illumination device 1F according to the sixth embodiment uses the third single illumination module 10C including two light emitting portions 120 like the illumination device 1E according to the fifth embodiment. Therefore, the case 100 of Figs. 17 and 18 can be used for the lighting apparatus 1F according to the sixth embodiment.

19 to 21, the lighting apparatus 1F includes two third single illumination modules 10C, and includes two inner side sidewalls 120 of the respective third single illumination modules 10C and two And a power control unit 20 located in a space 170 defined by the louver 130 and may further include a side cover 40. [ 19 to 21, the power supply control unit 20 may be a lighting device including only one of the two power supply control units 20. In this case, one power supply control unit 20 may include four light emitting units 200 The power control unit 20 may be located in the space 170 partitioned by the two inner louvers 130 and the side walls 120 of the third single illumination module 10C, The third single illumination may be located in the space where the third single illumination is coupled by the bracket 30.

The embodiment having the upper plate 140 in place of the louver 130 and the upper plate 140 in lieu of the louver 130 are the same as those described in the fifth embodiment as described in the fifth embodiment, Will be omitted.

3A, 3B, and 16, unlike the case 100 of the third single illumination module shown in FIG. 3A, the first bracket coupling portion 151 is formed only at one end of the louver 130 of the two outer louvers 130 Only two third single illumination modules 10C can be combined, and three or more combinations are not possible. Therefore, there is no problem in implementing the sixth embodiment in this case, but a lighting apparatus of a larger size than the sixth embodiment can not be realized.

Hereinafter, components of the lighting apparatus 1 will be mainly described.

≪ Case (100) >

The description of the structure of the case 100 is omitted because it has already been discussed while explaining the first to sixth embodiments.

See FIGS. 6 and 8. FIG. The power control unit 20 is disposed in the space 170 defined by the louver 130 and the side wall 120 and the side wall 120 and the bottom plate 110 of the case 100 are coupled to each other. The case 100 and the power supply control unit 20 can be firmly coupled by sliding the second projection 22 formed at the lower end of the power supply control unit 20 into the power supply control unit coupling groove 152 formed at the boundary .

Although the power supply control unit coupling groove 152 is shown extending along the length of the case 100 along the first direction a shown in FIG. 7, it is not necessarily required to take such a shape, Quot; C "or" O "shape. A hole may be formed in the side wall of the case 100 without forming the power control unit engagement groove 152 and a hole may be formed in a portion of the power control unit 20 opposite to the hole of the side wall 120, The case 100 and the power supply control unit 20 may be combined. However, it is advantageous to form the power supply control unit coupling groove 152 in the case 100 through the extrusion molding method, and the case 100 and the power supply control unit 20 can be combined without additional screws or pins. It can be said to be a joining method.

There are two kinds of bracket coupling parts: the first bracket coupling part 151 and the second bracket coupling part 153. The first and second bracket engaging portions 151 and 153 may be formed in the case 100. The first bracket engaging portion 151 and the second bracket engaging portion 153 may be connected to the bracket 30, The modules can be firmly coupled to each other. Further, a side cover coupling groove 154 may be formed in the case 100. The side cover engagement groove 154 exists for engagement with the side cover 40, and a coupling method will be described in a separate table.

The material of the case 100 may be a metal material or a resin material having good heat radiation characteristics. An aluminum (Al) or silver (Ag) oxide film is formed on the surface of the case 100 to secure the wear resistance, corrosion resistance, durability, and the like of the case 100 and ensure a good appearance of the lighting apparatus 1 . In addition, although the louver 130 is primarily intended to prevent the glue from being used for its original use, the surface of the louver 130 may be surface-treated so that the surface of the louver 130 is well-reflected, The light efficiency can be increased.

The case 100 may be manufactured by separately manufacturing the bottom plate 110, the side wall 120 and the louver 130. However, the entire case 100 may be integrally formed by, for example, . When the case 100 is integrally formed, not only the base plate 110, the side wall 120 and the louver 130 but also the diffusion plate coupling groove 180, the first and second bracket coupling portions 151 and 153, The engaging groove 152, and the side cover engaging groove 154 are integrally formed at one time. The case 100 is integrally formed integrally in the longitudinal direction. In addition, when the case 100 is integrally formed by a method such as extrusion, the cross section of the case 100 is formed into a flat shape perpendicular to the longitudinal direction. For example, the cross section of the middle portion of the case 100 and the cross section of the portion near the end are the same. When the case 100 is integrally formed, the labor required to assemble various members can be reduced, and the manufacturing process can be simplified.

The first and second bracket coupling portions 151 and 153, the power source control portion coupling groove 152, the side cover coupling groove 154, and the like, described above, It is not always necessary to form them all at once, and at least one member may be formed integrally when the case 100 is molded. For example, the case 100 having only the base 110, the side wall 120, the louver 130 and the diffusion plate coupling groove 180 may be formed, and the base 110, the side wall 120, The case 100 having only the bracket coupling portions 151 and 153 may be formed.

Referring to FIG. 8, the diffusion plate coupling groove 180 may be formed at the boundary between the inner surface of the side wall 120 and the upper surface of the louver 130. 11 and 12, when the upper plate 140 is provided in place of the louver 130, the diffusion plate coupling groove 120 is formed in the middle of the inner side of the side wall 120, (Not shown).

Referring to FIG. 8, the first and second bracket engaging portions 151 and 153, the power control portion engaging groove 152, and the side cover engaging grooves 152 and 153 are formed on the outer surface of the side wall 120 of the case 100, 154 may be formed. 11 and 12, when the upper plate 140 is provided instead of the louver 130, the first and second brackets 130 and 132 are formed on the outer surface of the side wall 120 of the case 100 or on the lower surface of the upper plate 140, At least one of the power control unit coupling grooves 152 and the side cover coupling grooves 154 may be formed.

Since the case 100 is integrally formed, the heat can be effectively transmitted and discharged to the entire case 100, so that the lighting apparatus can have a good heat radiation characteristic. Of course, according to an embodiment, the louver 130 may be replaced by a top plate 140. More specifically, when various members constituting the case 100 are separately manufactured and joined together, the members are not in perfect surface contact with each other but partially point-contacted. The heat transmitted from the light emitting unit 200 to the bottom plate 110 is not sufficiently transmitted to the side wall 120 and the heat of the side wall 120 is not sufficiently transmitted to the louver 130, It can not be sufficiently used as a heat radiator. The heat generated in the light emitting unit 200 or the power source control unit 20 is transmitted from the bottom plate 110 to the side wall 120 through the extrusion molding, So that it is uniformly conducted to the louver 130, and the heat radiation effect is excellent.

The heat dissipation effect will be further described. As described in the fifth embodiment, an additional member forming the case 100 may be formed at the lower end of the outermost louver 130. The purpose of forming the additional member may be to increase the surface area of the case 100, It is possible to take any shape that can enlarge the surface area of the case 100 and enhance the heat radiating effect. Accordingly, the additional member may form a closed curved surface together with the louver 130 and the side wall 120, may form a closed curved surface, may be formed with a heat dissipating hole, and may have irregularities formed in the louver 130 or the side wall 120 It may also play the role of a radiating fin.

Fig. 39 is a cross-sectional view of a lighting module having a louver 130 of another shape, and Fig. 40 is a cross-sectional view of a lighting module having a louver 130 of another shape. 39 and 40, the louver 130 may have a straight section, a parabola, an arc, or the like. However, what louver limit angle (?) Is more important than the shape of the louver 130 itself is more important.

Since the illumination device in which the louver 130 is formed has a specific louver limit angle? So that the diffusion plate 300 does not directly enter the field of view at the louver limit angle? It is important to have an appropriate louver limit angle ([theta]).

Fig. 41 is a view for explaining the louver limiting angle [theta] and the shielding angle [alpha] of the illuminating device according to the embodiment. 41, unlike the louver 130 of FIG. 41 to reduce glare, if the louver 130 is formed to be substantially in line with the side wall 120, the louver limiting angle? α), which means that there is no glue at an angle larger than the louver limit angle (θ). Therefore, eye fatigue due to glue can be reduced even if it is a little away from the lighting device. However, the diffusion range of the light is excessively reduced and the irradiation surface becomes narrow.

On the other hand, unlike the louver 130 of FIG. 41, if the louver 130 is formed substantially parallel to the side wall 120, the louver limiting angle? Becomes large and the shielding angle? Becomes small, Although it means that there is no glare at angles greater than the limiting angle (θ), it means that the louver limit angle (θ) is too large to cause glare and to be tired . However, since the diffusion range of the light can be sufficiently wide, there is an advantage that the irradiation surface is widened.

Therefore, an illuminating device with a greater emphasis on increasing the area of the light-irradiated area should have a larger louver limit angle (&thetas;), and an illuminating device with a greater emphasis on preventing glare, .

It is preferable that the louver limit angle? Has a value between 0 and 90 degrees. When the louver limit angle? Has a value within this range, The direct light from the diffusion plate can not be seen.

Since the light emitting unit 200 is disposed on the bottom plate 110 of the case 100, the bottom plate 110 has a width and a length in which the light emitting unit 200 can be disposed, and the side wall 120 and the louver 130 And the diffusion plate 300 and / or the fixing protrusions 430 of the reflection plate 400 may be fitted in the diffusion plate coupling groove 180. In this case, The diffusion plate coupling groove 180 may be elongated along the first direction (a) shown in Figs. 7, 13, and 19.

When the diffusion plate 300 and / or the fixing protrusion 430 of the reflection plate 400 are slidably inserted into the diffusion plate coupling groove 180 and the side cover 40 is coupled to at least one end of the case 100, The diffusion plate 300 and / or the reflection plate 400 are sufficiently fixed. Therefore, there is no possibility that the diffuser plate 300 and / or the reflection plate 400 are detached from the illuminating apparatus while the illuminating apparatus is installed and operated or during transportation.

Although the side wall 120 of the case 100 is shown as extending in a direction perpendicular to the base 110 in FIGS. 1A, 1B, 2A, 2B, 3A, and 3B, But may be formed to have a slope gradually increasing toward the outside as the distance from the bottom plate 110 increases. Although not shown, unevenness is formed on the lower surface of the case 100, and the surface area of the case 100 is widened, so that the heat radiation characteristic of the lighting apparatus can be improved.

≪ Multiple light emitting units 200 >

9 is a perspective view illustrating a state in which the light emitting unit 200 and the reflection plate 400 are coupled to each other, and FIG. 10 is an exploded perspective view of the light emission unit 200 and the reflection plate 400. FIG.

9 and 10, the light emitting unit 200 includes a substrate 220 on which a plurality of LEDs 210, a plurality of LEDs 210 are mounted, And the heat-radiating sheet 240 may be a heat-dissipating sheet.

The plurality of LEDs 210 may include at least one light emitting diode (LED) that emits red, green, blue, white, or yellow light. For example, the plurality of LEDs 210 may include red, green, and blue light emitting diodes (LEDs). The plurality of LEDs 210 may be formed of a combination of light emitting diodes (LEDs) that emit various color lights.

A plurality of LEDs 210 may be mounted on the substrate 220. The substrate 220 may be a printed circuit board (PCB). The printed circuit board may include an aluminum substrate, a ceramic substrate, a metal core PCB, a general PCB, etc. The surface of the substrate 220 may be coated with white or silver to improve reflection efficiency, .

 The substrate 220 includes circuitry capable of driving a plurality of LEDs 210. [ As shown in FIGS. 9 and 10, the plurality of LEDs 210 may be arranged along the rows and columns on the substrate 220, or may be arranged in various other ways. Further, the number of the plurality of LEDs 210 is more or less than that shown in the drawing. However, if the LEDs 210 are arranged too little, it is difficult for the illuminating device to function as a side illumination, so it is desirable to arrange an appropriate number of the LEDs 210 considering the function of the side illumination.

A coupling hole 230 may be formed in the substrate 220 and the substrate 220 may be coupled to the case 100 by inserting a screw or a pin into the coupling hole 230. The heat dissipation sheet 240 is disposed in contact with the substrate 220 on the lower surface of the substrate 220. The heat generated by the plurality of LEDs 210 is transferred through the substrate 220 to the heat dissipation sheet 240, Can be delivered. The heat-radiating sheet 240 may be a resin material or a metal material that can effectively dissipate heat. Also, the heat-radiating sheet 240 is formed of a material having adhesiveness and can be easily attached to the lower surface of the substrate 220.

≪ Reflector (400) >

22 is another embodiment of the reflection plate 400. Fig. Will be described with reference to Figs. 9, 10 and 22. Fig.

The reflector 400 may be formed of a resin material or a metal material having a high reflectance and is disposed on the substrate 220 and encloses the side wall 120 of the case 100. The resin material may include, for example, PET, PC, and PVC resin. The metal material may include, for example, an alloy including silver (Ag), silver (Ag) Alloys, stainless steel, and the like. The reflector 400 includes a bottom reflector 410 and a side reflector 420 extending from both sides of the bottom reflector 410 and includes fixing protrusions 430 extending outwardly from ends of the side reflectors 420 ).

The LED hole 411 is opened in the bottom reflector 410 of the reflector 400 and a plurality of LEDs 210 are inserted through the LED hole 411 to be exposed. Accordingly, the LED hole 411 may be formed to correspond to the number and arrangement of the plurality of LEDs 210. [ The LED hole 411 may be formed through a punching process or may be formed by various methods capable of forming an etching hole or the like. The side reflector 420 may be formed to be perpendicular to the bottom reflector 410, but it is preferable that the side reflector 420 has an inclination that tilts outward along the direction in which the side reflector 420 extends, as shown in FIG. In the case of inclination, the light generated by the plurality of LEDs 210 can be effectively reflected and emitted.

The fixing protrusion 430 of the reflection plate 400 is smaller than the width of the diffusion plate coupling groove 180 of the case 100 so that the fixing protrusion 430 can be slidably inserted into the diffusion plate coupling groove 180 And the reflector 400 may be fixed to the case 100. [

The side reflector 420 may extend from the bottom reflector 410 to the diffusion plate coupling groove 180 of the case 100. 22, the side reflector 420 may extend beyond the diffusion plate coupling groove 180 of the case 100 and extend beyond the side wall 120 of the case 100 .

Referring to FIGS. 9 and 10, a first electrical connector 421 may be formed at the lower end of the side reflector 420 of the reflector 400. The light emitting unit 200 may be electrically connected to the power control unit 20 through the first electrical connector 421 to receive power. A second electrical connector 121 (not shown) is formed at the lower end of the side wall 120 of the case 100 at a position corresponding to the first electrical connector 421 of the reflector 400, The light emitting unit 200 and the power control unit 20 can be electrically connected through the electrical connection ports 421 and 121. [

≪ Power control unit 20 &

23 is a perspective view of the power supply control unit 20, and Fig. 24 is a front view of the power supply control unit 20. Fig.

23 and 24, the power supply control unit 20 includes a body portion 21 and a second projection portion 22 at a lower end of the body portion 21. The body 21 may include a power supply unit (PSU) (not shown) for supplying power to the lighting apparatus 1 and a driving unit (not shown) for controlling and driving the light emitting unit 200. The sliding type coupling between the second projection 22 of the power supply control unit 20 and the power supply control unit coupling groove 152 of the case 100 has already been described and will not be described here.

The second protrusion 22 may be provided with a third coupling hole 23. The power supply control unit 20 can be fixed to the case 100 by inserting a coupling screw or a pin into the third coupling hole 23 after inserting the second projection 22 into the power supply control unit coupling groove 152 have. Of course, the second projection 22 may be coupled to the power supply control unit coupling groove 152 in a forced fit manner without the third coupling hole 23. The power supply control unit 20 includes a connection line 24 And may be electrically connected to the light emitting unit 200 to provide power and driving signals to the light emitting unit 200. The connection line 24 may connect the light emitting unit 200 and the power control unit 20 through the first electrical connection port 421 and the second electrical connection port 121. The power control unit 20 may be formed of a metal material or a resin material having good heat radiation characteristics.

Since the power supply control unit 20 includes various components such as a power supply unit (PSU) and a driving unit in the body portion 21, these components can be effectively protected from external impacts, moisture, and the like. In addition, the power supply control unit 20 can be easily coupled to or removed from the case 100, which facilitates replacement.

≪ Diffusion plate 300 >

Referring to FIGS. 1A to 3B and FIG. 5, the diffusion plate 300 is formed on the light emitting portion 200 to allow light emitted from the LED 210, which is a point light source, to be emitted through the diffusion plate 300 , And the surface of the diffusion plate 300 can be made a surface light source so as to have a uniform luminance.

Both side ends of the diffusion plate 300 may be inserted into the diffusion plate coupling groove 180 of the case 100 in a sliding manner along the first direction a shown in FIG. The material of the diffusion plate 300 may be, for example, glass, PMMA, PC, or the like.

 Since the diffusion plate 300 is formed not only on the front surface of the illuminating device 1 but only on the light emitting portion 200, the amount of use of the diffusion plate 300 can be reduced. Since the diffusion plate 300 is considerably narrow in width compared to the length and both sides of the diffusion plate 300 are supported by the case 100 along the longitudinal direction, the diffusion plate 300 is not sufficiently bent or stuck, There is no problem in the normal use of the battery 1.

FIG. 25 is a view showing an embodiment 300A of the diffuser plate 300, FIG. 26 is a view showing another embodiment 300B of the diffuser plate 300, and FIG. FIG. 28 is a view showing another embodiment 300C of the diffuser plate 300. FIG.

25 to 28, it can be seen that the diffuser plate 300 can have various shapes so as to variously control the light distribution of the emitted light of the light emitting unit 200. For example, referring to FIG. 25, the diffusion plate 300A may have a planar shape. Referring to FIG. 26, the diffusion plate 300B may have a shape having two parabolic faces. Referring to Fig. 27, the diffuser plate 300C may have a convex paraboloid and may have a concave surface. Referring to FIG. 28, the incident surface of the diffuser plate 300D may be flat and the emitting surface may be convex.

The diffusion plate 300 preferably has a rectangular shape extending along the first direction (a), but it is not necessarily required to take such a shape. In addition, the diffusion plate 300 usually has a planar shape, but may have various shapes that can control the light distribution of the light emitting unit 200.

<Side Cover (40)>

Fig. 29 is an embodiment of the side cover 40, and Fig. 30 is another embodiment of the side cover 40. Fig.

4, 7, 13 and 19, at least one end of the case 100 may include a side cover 40 and may be formed at both ends thereof. The side cover 40 can prevent moisture, dirt, and the like from penetrating into the case 100 and enhance the rigidity of the lighting apparatus. The side cover 40 includes a light emitting unit 200 and a power control unit 20 Can be fixed. The side cover 40 may include a plurality of engagement holes 41 and the case 100 may also include a plurality of side cover engagement grooves 154.

The side cover engagement groove 154 of the case 100 is opposed to the engagement hole 41 of the side cover 40 and then the side cover engagement groove 154 and the screw or pin passing through the engagement hole 41 are fastened So that the case 100 and the side cover 40 can be engaged. The side cover 40 prevents dust or dirt from flowing into the case 100, and the rigidity of the case 100 can be further increased. A plurality of engagement holes 41 and a plurality of side cover engagement grooves 154 can be seen and then a screw or a pin or the like is inserted to pass through the plurality of engagement holes 41 and the plurality of side cover engagement grooves 154 So that the side cover 40 can be coupled to the case 100. The engagement hole 41 of the side cover 40 is not necessarily pierced only at a position corresponding to the side cover engagement groove 154 but the first bracket engagement portion 151 of the case 100, 152 and the second bracket coupling portion 153, respectively. In this case, more screws or pins may be inserted into the first bracket coupling portion 151, the power source control portion coupling groove 152, and the second bracket coupling portion 153 to couple the side cover 40 and the case 100 have.

Since the height and width of the side cover 40 can be formed to correspond to the case 100, the shapes of the side cover 40 may differ from each other as shown in FIGS. Since the material of the side cover 40 may be the same as the material of the case 100, a detailed description thereof will be omitted.

<Bracket (30)>

31 is a perspective view showing one embodiment 30A of the bracket 30, Fig. 32 is a perspective view showing another embodiment 30B of the bracket 30, Fig. 33 is a perspective view showing another embodiment 30B of the bracket 30, 34 is a cross-sectional view of another embodiment of a lighting device to which a single lighting module is coupled using a bracket 30A, and Fig. 35 is a cross-sectional view of another embodiment of a lighting device to which a module is coupled Fig. 36 is a cross-sectional view of yet another embodiment of a lighting device incorporating a single lighting module using the bracket 30B. Fig.

31 and 32, the brackets 30A and 30B have a fixing plate 31 and extend from one end of the fixing plate 31 to be connected to the first bracket coupling portion 151 of the case 100, And has a safety collar 38 having an engaging member 32 and extending from one end of the fixing plate 31. The lighting module coupling member 32 and / or the safety hook 38 may be formed at one end of the fixing plate 31 as well as at the other end.

Referring to Figs. 6 and 11, it can be seen how the case 100 and the bracket 30 are engaged in the first and second embodiments. The fixing plate 31 is slidably pushed into the second bracket engaging portion 153 of the case 100 and the lighting module engaging member 32 has a through hole so that light The module coupling member 32 and the first bracket coupling portion 151 of the case 100 are coupled.

33 and 34, the shape of the first bracket coupling portion 151 of the case 100 is different from that of FIGS. 6 and 11. However, the coupling method is the same and the fixing plate 31 is slidably inserted into the second bracket coupling part 153 of the case 100. The lighting module coupling member 32 has a through hole, The lighting module coupling member 32 and the first bracket coupling portion 151 of the case 100 are coupled through a screw or a pin.

35 and 36, there is no difference between the fixing plate 31 and the safety collar 38 as compared with the bracket 30A shown in Figs. 33 and 34, and the shape of the lighting module fitting member 32 And the first bracket engaging portion 151 of the case 100. In this case, The lighting module coupling member 32 does not have a through hole into which the screw or the pin can be fastened and instead the lighting module coupling member 32 can support the first bracket coupling portion 151 of the case 100 It can take the shape of a hanging hook. Of course, in this case, the first bracket coupling portion 151 used is different from the first bracket coupling portion 151 shown in Figs. 6, 11, 33, and 34. Fig. The bracket 30B shown in Figs. 32, 35 and 36 can be slidably engaged with the first bracket coupling portion without a screw or a pin, unlike the bracket 30A shown in Figs. 31, 33 and 34 have.

The first bracket coupling part 151 is formed at the end of the louver 130 of the case 100 and the second bracket coupling part 153 is formed at the louver 130 or the side wall 120. 11 and 12, when the upper plate 140 is provided instead of the louver 130, the first bracket coupling portion 151 is formed at the end of the upper plate 140 of the case 100 And the second bracket coupling portion 153 is formed on the side wall 120. [

The safety collar 38 is intended to prevent the installed lighting apparatus 1 from being dislodged from the installation position due to an earthquake or other impact or broken down on the floor or broken down by a person under the lighting apparatus 1 to injure a person . If the line is passed through the safety collar 38 to fix the line inside the ceiling, the string fixed inside the ceiling catches the safety collar 38 even if the lighting device 1 is impacted and gets out of the installation place, It is possible to prevent the lighting apparatus 1 from falling down to the surface. Thus, the bracket 30 on which the safety collar 38 is formed has the additional function of securing safety in addition to the original purpose of connecting a single lighting module.

The brackets 30 need not be coupled along the longitudinal direction of the case 100, but may be combined to increase the coupling rigidity between the single lighting modules or to secure safety.

Fig. 37 shows another example 30C of the bracket 30, and Fig. 38 shows a structure in which the bracket 30C connects the single illumination modules 10 to each other.

Referring to FIG. 38, a plurality of brackets 30C may be formed on the outer surface of the illumination device 1, that is, the case 100. FIG. The bracket 30C having such a shape is a case 100 having no separate first bracket engaging portion 151 like the case 100 shown in Figs. 17 and 18 or the case 100 shown in Fig. 38, They can be used in the case of mutual coupling. The bracket 30C has two surfaces bent at right angles and the two surfaces include a first surface 33 coupled to the outer surface of the case 100 and an outer supporting member such as a ceiling or a wall surface, And a second surface 35 coupled to an outer surface of the first substrate 100. The first surface 33 has a first engaging hole 34 and the second surface 35 has a second engaging hole 36. The first and second engaging holes 34, So that it is possible to combine the single illumination modules with each other or to connect the illumination device 1 to the external support member. Further, the bracket 30C may be formed integrally with the case 100. Fig.

&Lt; Support frame (50) >

42 is a perspective view of the support frame 50, Fig. 43 is a sectional view of the support frame 50, Fig. 44 is a cross-sectional view showing the engagement between the support frame 50 and the M- Sectional view showing a state in which the frame 50 and the ceiling T-BAR are engaged with each other.

42 to 45, the support frame 50 includes a frame body 51 surrounding the outer surface of the case 100, a support member 50 extending from the inner surface of the frame body 51 to support the load of the case 100 And a ceiling fixing part 52 extending from the outer surface of the frame main body 51 and fixed to the ceiling. The frame body 51 may have an empty space inside to reduce weight, as shown in Fig.

The case supporting portion 53 contacts the end of the louver 130 of the case 100 to support the load of the other lighting device including the case 100. [ In addition, in order to prevent the members of the illumination device except for the support frame 50 from passing through the opening of the support frame 50, it is preferable that the distance between the outermost end louver 130 and the side cover 40 It is preferable that the length between the case supporting portions 53 at the position where the case supporting portions 53 are located is somewhat shortened. However, if the length is made shorter than necessary, the inclined surface of the louver 130 is covered, which is not preferable. Therefore, it is preferable to form the length between the case supporting portions 53 so as not to cover the slope 130 of the louver.

The ceiling fixture 52 not only fixes the lighting device on the ceiling but also can clear the space between the case 100 and the ceiling on which the case is installed so as to enhance the aesthetic appearance. The ceiling fixture 52 may also have a ceiling engagement groove 54.

43 and 44, the lighting device can be fixed to the ceiling by fastening screws to pass through the ceiling engagement groove 54 and the TEX and M-BAR.

43 and 45, the illuminating device is fixed to the ceiling with the ceiling fixing part 52 in contact with the T-BAR due to the load of the lighting device itself. In this case, although the ceiling fixing part 52 does not necessarily have the ceiling fitting groove 54, considering that the ceiling fixing part 52 is installed not only on the T-BAR but also on the M-BAR, .

Particularly useful of the support frame 50 is its flexibility to cope with various installation environments. Depending on the country or each ceiling structure, the ceiling area on which the lighting device is installed varies. In various embodiments presented so far, various sizes of illumination devices have been implemented through a combination of single illumination modules 10. However, if the illuminating device is fixed with the empty space between the illuminating device and the ceiling formed, it is not very good and the fixation of the illuminating device becomes unstable. In this case, it is practically difficult to cope with such a problem by making dozens or hundreds of specifications of a single lighting module 10 for aesthetic and stability, due to an increase in the manufacturing cost. Accordingly, a single lighting module 10 of a predetermined size is provided as in the embodiments shown so far, and the lighting device and the empty space of the ceiling can solve both the aesthetics and fixability by using the support frames 50 of various sizes . The member for forming the support frame 50 is formed to be elongated in one direction and is formed so that a cross section cut in a plane parallel to one direction has a uniform shape and a rectangular shape is formed by cutting the member into four pieces and connecting the corners A support frame 50 of a size can be formed. Therefore, the production process becomes very simple and it is possible to cope with various ceilings. In particular, if the length of the ceiling fixture 52 is different and the remaining specifications produce the same support frame 50 forming member, the ceiling can be almost perfectly different in size.

The features, structures, effects and the like described in the embodiments are included in at least one embodiment of the present invention, and are not necessarily limited to only one embodiment. Furthermore, the features, structures, effects and the like illustrated in the embodiments can be combined and modified by other persons skilled in the art to which the embodiments belong. Therefore, it should be understood that the present invention is not limited to these combinations and modifications.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. It will be appreciated that many variations and applications not illustrated are possible. For example, each component specifically shown in the embodiments can be modified and implemented. It is to be understood that all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

1: Lighting device
10: Single lighting module
20:
30: Bracket
40: Side cover
50: Skin cover
100: Case
200:
300: diffusion plate
400: reflector

Claims (5)

Board;
A light emitting portion disposed on the substrate and including a plurality of LEDs;
A trapezoidal reflection plate disposed on the substrate;
A diffusion plate disposed on the reflection plate; And
A case including the light emitting portion and the reflection plate disposed therein, the case including both a side wall extending from both side edges of the base plate and the base plate, and both side louvers extending from the both side walls;
Lt; / RTI &gt;
The reflector includes a bottom reflector having a plurality of holes into which the plurality of LEDs are inserted and a side reflector extending from both ends of the bottom reflector. The reflector is disposed to surround the bottom plate and the side wall of the case,
At least one of the two side louvers includes a bracket coupling part for coupling with another illumination device at an end,
Wherein the substrate is disposed closer to the diffuser plate than a bottom plate of the case.
The method according to claim 1,
Further comprising a heating portion contacting the substrate,
Wherein the heat generating portion is disposed closer to the diffuser plate than a bottom plate of the case.
delete 3. The method according to claim 1 or 2,
Wherein the reflection plate includes fixing protrusions extending from both side ends of the side reflection plate,
Wherein the side wall of the case has a coupling groove in which both end portions of the diffusion plate and fixing protrusions of the reflection plate are disposed together,
Wherein a side wall of the case extends from a position of the engagement groove longer than a length from a bottom plate of the case to the engagement groove.
5. The method of claim 4,
Wherein the louver is disposed higher than the diffuser plate with respect to a base plate of the case.

Images