KR20110058943A - Illumination assembly and illumination apparatus having the same - Google Patents

Abstract

PURPOSE: An illumination assembly and an illumination apparatus having the same are provided to contamination due to light by minimizing upward light from a light source. CONSTITUTION: In an illumination assembly and an illumination apparatus having the same, an optical source module is accommodated in a casing. The optical source module comprises a light source and a flexible printed circuit board The light source is mounted in the flexible printed circuit board. A lens unit is arranged along the outside of the optical source module. The lens unit refracts the light to form a downward light The lens unit forms the downward light. A radiating unit releases heat from the optical source module. A lighting device(1000) comprises an illumination assembly(1100), a base(1200), and a power supply unit The base portion supports the illumination assembly. The power supply unit supplies power to the illumination assembly.

Description

Lighting assembly and lighting device having same {ILLUMINATION ASSEMBLY AND ILLUMINATION APPARATUS HAVING THE SAME}

The present invention relates to a lighting apparatus, and more particularly, to a lighting assembly having an improved structure to prevent light pollution and to adjust light distribution and illuminance, and a lighting apparatus having the same.

Generally, lighting devices such as street lamps and security lamps mainly use incandescent lamps as light sources so that light can reach a long distance. Lighting devices using incandescent lamps do not have high luminance and brightness of light emitted from the light source.

Recently, a lighting apparatus using a light emitting diode (LED) having high brightness and brightness as a light source has been developed. However, the conventional LED lighting apparatus has a Lambertian light distribution, so that the light pollution according to the upward light is large, it is difficult to uniformly distribute the illuminance.

In addition, since the light distribution and illuminance cannot be adjusted in a single light form in which the illumination capacity is fixed, there is a disadvantage in that different lighting fixtures must be applied in a place where various light distribution and illuminance are required according to the purpose of use.

The present invention has been made to solve the above problems, and an object thereof is to provide an illumination assembly capable of preventing light pollution by minimizing upward light of light emitted from a light source and an illumination device having the same.

It is another object of the present invention to provide a lighting assembly capable of controlling light distribution and illumination according to various places in a stacked structure and an illumination device having the same.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

Lighting assembly according to an embodiment of the present invention for achieving the above object, a light source module having a casing, a flexible circuit board accommodated in the casing and the light source is electrically mounted, and the light source module The lens unit may be disposed along an outer side of the lens unit to refract light emitted from the light source to form downward light.

In the light source module, a plurality of the flexible circuit boards may be disposed in a conical shape to be inclined downward, and the light source may be mounted on each of the flexible circuit boards.

The lens unit preferably has a downward convex lens shape in which the thickness of the lens becomes thicker from top to bottom.

In addition, the lighting assembly according to an embodiment of the present invention may further include a heat dissipation unit accommodated in the casing and dissipates heat generated from the light source module.

Here, the heat dissipation unit may include a plurality of heat dissipation fins disposed in the light source module and radially disposed toward the center so that the light source module is attached to the outer surface.

The lighting apparatus according to an embodiment of the present invention for achieving the above object, the lighting assembly according to the embodiment, a base portion for supporting the lighting assembly, and the base is accommodated in the power supply to the lighting assembly It may include a power supply for supplying.

The lighting assembly may be provided in plural and stacked and coupled up and down.

Here, the gap projection may be formed on the plate surface of the casing to form a vertical gap between the plurality of laminated assembly between the lighting assembly.

In addition, the power terminals of the plurality of light source modules may be electrically connected when the plurality of lighting assemblies are stacked and coupled.

In addition, as the plurality of illumination assemblies are positioned to be stacked above the lower portion, it is preferable that the light distribution angle is formed to be larger through the lens portion.

Lighting assembly according to another embodiment of the present invention for achieving the above object, a light source module having a casing, a flexible circuit board accommodated in the casing and the light source is electrically mounted, and the light source module It may include a reflector disposed along the outer edge and reflecting light emitted from the light source to form downward light.

In the light source module, a plurality of flexible printed circuit boards may be disposed in a vertical cylindrical shape, and the light sources may be mounted on each of the flexible printed circuit boards.

The reflector may be disposed in a circular shape along an upper edge of the light source module and may have a reflective surface inclined downward.

In addition, the lighting assembly according to another embodiment of the present invention may further include a lens unit disposed below the reflecting unit along the outer edge of the light source module to form a downward light by refracting the light emitted from the light source.

In addition, the lighting assembly according to another embodiment of the present invention may further include a heat dissipation unit accommodated in the casing and radiates heat generated from the light source module.

Illumination apparatus according to an embodiment of the present invention for achieving the above object, the lighting assembly according to the other embodiment, a base portion for supporting the lighting assembly, and is accommodated in the base portion, the power supply to the lighting assembly It may include a power supply for supplying.

The lighting assembly may be provided in plural and stacked and coupled up and down. In addition, as the plurality of illumination assemblies are positioned to be stacked above the lower portion, it is preferable that the light distribution angle is formed to be larger through the reflecting portion downwardly.

Specific details of other embodiments are included in the detailed description and the drawings.

According to the lighting assembly of the present invention as described above and the lighting apparatus having the same, by converting the light irradiated from the light source into the downward light through the lens portion having a downwardly convex lens shape or the reflective portion having a downwardly inclined reflective surface, Light pollution can be prevented and the floor leveling can be improved to minimize the shadow area.

In addition, by applying a structure for stacking a plurality of lighting assemblies, it is possible to adjust the light distribution to suit the purpose of use in various places, it is possible to increase the brightness and luminance of the light irradiated from the light source.

In addition, it is excellent in heat dissipation characteristics by forming a ventilated space to facilitate the inflow of air between a plurality of laminated lighting assemblies.

In addition, the structure is improved so that the power of the light source module provided in each lighting assembly is automatically connected at the same time as the stacking coupling of a plurality of lighting assemblies.

In addition, by providing a plurality of radiating fins provided radially inside the roughing device to improve the heat dissipation performance of the heat generated by the light source module can improve the reliability of the product.

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, only the embodiments are to make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, with reference to the accompanying drawings will be described in detail a lighting assembly and a lighting device having the same according to the preferred embodiments of the present invention. In the following description, well-known functions or constructions are not described in detail to avoid unnecessarily obscuring the subject matter of the present invention.

Prior to the description of the present invention, the lighting device described below has been exemplified a configuration having two lighting assemblies, but is not limited to this, one lighting assembly or a configuration in which more than two lighting assemblies are stacked may be applied. Reveal in advance.

1 is a schematic diagram of a lighting apparatus according to an embodiment of the present invention.

As shown in FIG. 1, the lighting apparatus 1000 according to an embodiment of the present invention may include an lighting assembly 1100, a base unit 1200, a power supply unit (not shown), and the like.

The lighting assembly 1100 is installed in the base unit 1200 to receive power from the power supply unit to irradiate light. In this embodiment, a configuration in which two lighting assemblies are stacked is illustrated. The lighting assembly provided in the lighting apparatus according to the exemplary embodiment of the present invention will be described in detail with reference to FIGS. 2 to 7.

The base part 1200 may include a base body 1210, a body coupling part 1220, a cover part 1230, and the like.

The base body 1210 may include an illumination support unit 1211 supporting the illumination assembly 1100 and an accommodation unit 1213 accommodating a power supply unit supplying power to the illumination assembly 1100.

The body coupling part 1220 extends from the bottom of the base body 1210 and is coupled to an external structure (not shown) in which the lighting device 1000 is installed.

In addition, a hinge portion (not shown) may be provided to hinge the lighting support 1211 and the receiving portion 1213 so that the lighting support 1211 can be opened and closed with respect to the receiving portion 1213. That is, the lighting support 1211 is hinged to be opened and closed with respect to the receiving part 1213, thereby accommodating and releasing the power supply inside the receiving part 1213. The coupling method of the illumination support 1211 and the receiving portion 1213 may be rotationally coupled in the circumferential direction in addition to the hinge coupling.

The cover part 1230 is provided to cover the upper portion of the lighting assembly 1100 to block the lighting assembly 1100 from the foreign matter so that foreign matter does not flow into the lighting assembly 1100.

The power supply unit (not shown) is accommodated in the receiving unit 1213 of the base body 1210 and serves to supply power to the light source module 1120 of the lighting assembly 1100.

The power supply unit may use a storage battery for storing electricity, or a solar cell using sunlight.

2 is a schematic view of the lighting assembly shown in FIG. 1, FIGS. 3, 4 and 5 are a top perspective view, a rear perspective view and a cutaway perspective view of the lighting assembly shown in FIG. 2, and FIG. 6 is a cross-sectional view taken along line AA of FIG. 3. 7 is an exploded view of a light source module provided in the lighting apparatus according to the embodiment of the present invention.

2 to 7, the lighting assembly 1100 according to an embodiment of the present invention includes a casing 1110, a light source module 1120, a lens unit 1130, and a heat dissipation unit 1140. can do.

The casing 1110 accommodates the light source module 1120, the lens unit 1130, and the heat generating unit 1140. In the present embodiment, the casing 1110 has a configuration having a cylindrical shape, but is not limited thereto, and may have various shapes such as a triangular cylinder and a square cylinder.

The casing 1110 may be composed of a pair of cover members 1111 which are respectively coupled to upper and lower surfaces of the heat dissipation unit 1140 to be described later. For example, the cover member 1111 may be provided as a pair to cover the upper and lower surfaces of the heat dissipation body 1141 to be described later in the horizontal direction of the heat radiation fins 1143 to be described later. The cover member 1111 has a disc shape and is hollowed out.

In the housing 1110, a plurality of gap protrusions 1113 protrude from the upper cover member 1111 under the condition that two or more lighting assemblies 1100 are stacked, and thus, between the plurality of lighting assemblies 1100. It is possible to form a breathable space for heat dissipation. In addition, the lower cover member 1111 is provided with a power terminal hole 1117 to expose the power terminal 1125 of the light source module 1120 to the bottom. At this time, the power supply terminal 1125 of the light source module 1120 exposed downward through the power terminal hole 1117 of the lighting assembly 1100 stacked on the upper portion has a gap projection (1100) of the lighting assembly 1100 stacked below. It may be electrically connected to the power supply terminal 1114 provided in 1113.

In addition, the casing 1110 may be provided with a positioning protrusion 1115 and a positioning groove 1119 for determining a stacking position of the plurality of lighting assemblies 1100.

The positioning protrusions 1115 and the positioning grooves 1119 are formed in the cover members that are in contact with each other. The positioning protrusion 1115 and the positioning groove 1119 guide the coupling positions such that the power terminals 1114 and 1125 provided in the respective lighting assemblies 1100 are connected to each other. For example, when the positioning protrusion 1115 and the positioning groove 1119 are engaged, the power terminal 1 of the light source module 1120 exposed to the power supply terminal 1114 and the positioning groove 1119 provided in the gap protrusion 1113. 1125 are electrically connected to each other, so that each light assembly 1100 is laminated and coupled to each other, and power of each light source module 1120 is connected.

In addition, a communication unit (not shown) may be formed through each cover member 1111 of the plurality of lighting assemblies 1100. Here, the communication portions formed in each cover member 1111 are in communication with each other to form a guide path of a power cable (not shown) for supplying power to the light source module 1120.

The light source module 1120 is provided along the outer surface of the heat dissipation unit 1140 and is accommodated in the casing 1110 to be disposed adjacent to the heat dissipation unit 1140.

The light source module 1120 may include a light source 1121 and a circuit board 1123 on which the light source 1121 is electrically mounted. Here, the light source 1121 may be a light emitting diode (LED) having a high brightness and high brightness (hereinafter, described with reference numeral 1121), and may be mounted on the circuit board 1123 in the form of an LED package. The LED 1121 is called a luminescence (electric field emission) generated when a voltage is applied to a semiconductor. The LED 1121 is a light emitting diode in which light is emitted using the field emission. The LED 1121 has a long lifespan, and since electrical energy is directly converted into light energy, the power consumption is low, so the efficiency is excellent, and the lifespan is longer than that of a general light bulb (lamp). The circuit board 1123 is a flexible printed circuit board (FPCB) (hereinafter, referred to as 1123) so that it can be flexibly attached along the outer surface circumference of the heat dissipating body 1141 to be described later. It is preferable. The flexible circuit board 1123 is mounted with an LED 1121 and an electronic device (not shown). Here, the plurality of electronic devices mounted on the flexible circuit board 1123 may include a power supply required for driving the LED 1121 and a resistor, a semiconductor, a diode, and the like for adjusting brightness of light.

In this embodiment, the light source module 1120 bends a plurality of inverted trapezoidal side circuit boards 1123b that are radially formed at regular intervals along a circumferential surface to the circular body circuit board 1123a to be inclined downward in a conical shape. The LED 1121 may be mounted on each side circuit board 1123b. At this time, the circular body circuit board 1123a is provided with a power terminal 1125 for supplying power required for driving the plurality of LEDs 1121, and the power terminal 1125 is exposed through the power terminal hole 1117.

The lens unit 1130 is disposed along the outside of the light source module 1120. The lens unit 1130 is interposed in a closed loop shape along the outer periphery of the light source module 1120 between the pair of cover members 1111. That is, the lens unit 1130 covers the outer periphery between the pair of cover members 1111 and the light source module 1120 is positioned therein.

The lens unit 1130 refracts the light emitted from the light source 1121 and converts the light into downward light. In this case, the lens unit 1130 preferably has a downward convex lens shape in which the thickness of the lens becomes thicker from the top to the bottom to prevent the light pollution by minimizing the upward light emitted from the light source 1121.

The heat sink 1140 serves to dissipate heat generated from the light source module 1120. The heat dissipation unit 1140 is disposed inside the casing 1110 to dissipate heat because high heat is generated due to the characteristics of the LED 1121 used as the light source.

The heat dissipation unit 1140 may include a heat dissipation body 1141 and a plurality of heat dissipation fins 1143 provided on the heat dissipation body 1141.

The heat dissipation body 1141 may be provided with a light source module 1120 attached to an outer side surface, and may have a cylindrical shape having a thin thickness to support a plurality of heat dissipation fins 1143 disposed radially on the inner side surface. Here, the plurality of heat dissipation fins 1143 may be disposed radially on the inner circumferential surface of the heat dissipation body 1141. The plurality of radiating fins 1143 disposed radially may increase the contact surface with air to effectively dissipate heat generated from the light source module 1120.

On the other hand, the heat dissipation fins 1143 are not disposed radially to the center of the heat dissipation body 1141, but preferably have a predetermined length so as not to reach the center from the inner circumferential surface of the heat dissipation body 1141. The heat radiation fins 1143 are formed to have a predetermined length such that the heat radiation fins 1143 do not reach the center so that the heat radiation portions 1140 have a hollow 1140a. Therefore, the heat dissipation unit 1140 of the hollow 1140a is improved in circulation of the air in contact with the heat dissipation fins 1143, thereby increasing heat dissipation performance.

8 is an exemplary view showing light distribution angle control in the lighting apparatus according to an embodiment of the present invention.

As shown in FIG. 8, as the plurality of lighting assemblies 110 are positioned to be stacked above the lower portion, the refractive index of the lens unit 1130 may be adjusted to have a larger light distribution angle downward. Therefore, light pollution can be prevented by minimizing upward light emitted from the light source 1121, and the floor uniformity can be improved to minimize the shadow area.

9 is a schematic diagram of a lighting apparatus according to another embodiment of the present invention.

As shown in FIG. 9, the lighting apparatus 2000 according to another embodiment of the present invention includes a lighting assembly 2100, a base unit 1200, a power supply unit (not shown), and the like, and the lighting assembly 2100. Except for the configuration of)) is the same as the above-described embodiment described with reference to FIGS. Therefore, the same reference numerals are given to components that perform the same function as the exemplary embodiment, and detailed description thereof will be omitted.

FIG. 10 is a schematic view of the lighting assembly shown in FIG. 9, FIG. 11 is a top perspective view of the lighting assembly shown in FIG. 10, FIG. 12 is a rear perspective view of the lighting assembly shown in FIG. 10, and FIG. 13 is an illumination shown in FIG. 10. Cutaway perspective view of the assembly, Figure 14 is a cross-sectional view taken along the line BB of Figure 11, Figure 15 is an exploded view of the light source module provided in the lighting apparatus according to another embodiment of the present invention.

10 to 15, the lighting assembly 2100 according to another embodiment of the present invention may include a casing 2110, a light source module 2120, a reflecting unit 2130, a lens unit 2140, and a heat dissipating unit. 2150, and the like.

The casing 2110 accommodates the light source module 2120, the reflecting unit 2130, the lens unit 2140, and the heat generating unit 2150, and under the condition that two or more lighting assemblies 2100 of the present invention are stacked. A plurality of gap protrusions 2113 may protrude from the cover member 2111 to form a ventilation space for heat dissipation between the plurality of lighting assemblies 2100. In addition, a positioning protrusion 2115 and a positioning groove 2119 for determining a stacking position of the plurality of lighting assemblies 2100 may be provided. The casing 2110 according to the present embodiment has the same configuration as the above embodiment, and thus a detailed description thereof will be omitted.

The light source module 2120 is provided along the outer surface of the heat dissipation unit 2150 and is accommodated in the casing 2110 to be disposed adjacent to the heat dissipation unit 2150.

The light source module 2120 may include a light source 2121 and a circuit board 2123 on which the light source 2121 is electrically mounted. Here, the light source 2121 may be a light emitting diode (LED) having a high brightness and high brightness (hereinafter, referred to as 2121) and may be mounted on the circuit board 2123 in the form of an LED package. The circuit board 2123 is a flexible printed circuit board (FPCB) (hereinafter, referred to as 2123) so that it can be flexibly attached along the outer surface circumference of the heat dissipation body 2151 to be described later. It is preferable.

In this embodiment, the light source module 2120 bends a plurality of rectangular side circuit boards 2123b formed radially at regular intervals along the circumferential surface of the circular body circuit board 2123a, and is disposed in a vertical cylindrical shape. The LED 2121 may be mounted on each side circuit board 2123b. In this case, the circular body circuit board 2123a is provided with a power supply terminal 2125 for supplying power for driving the plurality of LEDs 2121, and the power supply terminal 2125 is exposed through the power supply terminal hole 2117.

The reflector 2130 is coupled to the upper cover member 2111 of the casing 2110 so that the reflector 2130 may be disposed in a circular shape along an upper outer edge of the light source module 2120. That is, the reflector 2130 covers the upper outer periphery between the pair of cover members 2111. The reflector 2130 has a reflective surface that is inclined downward to reflect the light emitted from the light source 2121 and form downward light.

The reflecting unit 2130 is coupled to the upper surface of the lens unit 2140, which will be described later, and is interposed in a closed loop shape along the outer periphery of the light source module 2120 between the pair of cover members 2111. In this case, it is preferable that the light source 2121 of the light source module 2120 is positioned at the circular coupling portion of the reflector 2130 and the lens unit 2140.

The lens unit 2140 is coupled to the lower cover member 2111 of the casing 2110 so that the lens unit 2140 may be disposed in a circular shape along the lower outer side of the light source module 2120. That is, the lens unit 2140 covers the lower outer periphery between the pair of cover members 2111. The lens unit 2140 refracts the light emitted from the light source 2121 and converts the light into downward light.

That is, in this embodiment, the light irradiated from the light source 2121 is converted into downward light by the reflecting unit 2130 and the lens unit 2140, thereby minimizing upward light irradiated from the light source 2121 to prevent light pollution. can do.

The heat sink 2150 serves to dissipate heat generated from the light source module 2120. The heat dissipation unit 2150 is disposed inside the casing 2110 to dissipate heat because high heat is generated due to the characteristics of the LED 2121 used as the light source.

The heat generating unit 2150 may include a heat dissipation main body 2151 and a plurality of heat dissipation fins 2153 provided on the heat dissipation main unit 2151.

16 is an exemplary view showing light distribution angle control in the lighting apparatus according to another embodiment of the present invention.

As shown in FIG. 16, as the plurality of lighting assemblies 2100 are positioned to be stacked above the lower portion, it is preferable to make the reflection surface slope of the reflector 2130 larger in downward direction so that the light distribution angle is larger downwardly. Do. Therefore, light pollution may be prevented by minimizing upward light emitted from the light source 2121, and the floor uniformity may be improved to minimize the shadow area.

The lighting apparatuses 1000 and 2000 according to the embodiments of the present invention configured as described above are provided with a plurality of lighting assemblies 1100 and 2100, and are stacked and coupled up and down. In this case, upper and lower gaps are formed between the plurality of lighting assemblies 1100 and 2100 stacked by the gap protrusions 1113 and 2113 formed on the casings 1111 and 2111 of the plurality of lighting assemblies 1100 and 2100. Therefore, the heat dissipation characteristics are excellent by forming a ventilated space to smoothly introduce air between the plurality of lighting assemblies 1100 and 2100 to be stacked.

In addition, when the plurality of lighting assemblies 1100 and 2100 are stacked and coupled, the power terminals 1125 and the light source modules 1120 and 2120 exposed downward through the power terminal holes 1117 and 2117 of the lighting assembly stacked thereon. The 2125 is electrically connected to the power terminals 1114 and 2114 provided in the gap projections 1113 and 2113 of the lighting assembly stacked below. Therefore, the power supply of the light source modules 1120 and 2120 provided in each of the lighting assemblies 1100 and 2100 is automatically connected with the stack coupling of the plurality of lighting assemblies 1100 and 2100.

In addition, the lighting apparatuses 1000 and 2000 of the present invention, the light emitted from the light sources 1121 and 2121, the lens unit (1130, 2140) having a downward convex lens shape or the reflector (2130) having a reflective surface inclined downward Through). Therefore, light pollution can be prevented by minimizing upward light emitted from the light sources 1121 and 2121, and the floor uniformity can be improved to minimize the shadow area.

In addition, by improving the structure such that the plurality of lighting assemblies 1100 and 2100 are laminated and coupled, the brightness and luminance of the light emitted from the light sources 1121 and 2121 may be increased. That is, by determining the quantity of the lighting assemblies 1100 and 2100 in a stacked structure, light distribution according to various places can be adjusted. That is, it is possible to increase the light distribution efficiency by improving the lighting rate because it can be configured in a stack-type according to the purpose of use, and can be variously configured according to the capacity and the place of use.

On the other hand, when the light sources 1121 and 2121 emit light by the power supplied from the power supply unit, heat is generated accordingly. Heat generated by the light sources 1121 and 2121 is transferred to the heat dissipation units 1140 and 2150, and heat transferred to the heat dissipation units 1140 and 2150 is caused by contact between the plurality of heat dissipation fins 1143 and 2153 and air. Heat dissipation. At this time, by providing a plurality of radiation fins (1143, 2153) provided radially to improve the heat dissipation performance of the heat generation of the light source module (1120, 2120) can improve the reliability of the product.

The lighting apparatuses 1000 and 2000 of the present invention can be used for pedestrian or bicycle road as well as security lights, and can be used for various purposes such as underground lights.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features thereof. I can understand that. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is shown by the following claims rather than the above description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

1 is a schematic view of a lighting apparatus according to an embodiment of the present invention,

2 is a schematic view of the lighting assembly shown in FIG.

3 is a top perspective view of the lighting assembly shown in FIG. 2;

4 is a rear perspective view of the lighting assembly shown in FIG. 2;

5 is a perspective view taken along the line A-A of FIG.

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

7 is an exploded view of a light source module provided in the lighting apparatus according to an embodiment of the present invention;

8 is an exemplary view showing light distribution angle control in the lighting apparatus according to the embodiment of the present invention;

9 is a schematic view of a lighting apparatus according to another embodiment of the present invention;

10 is a schematic view of the lighting assembly shown in FIG. 9;

11 is a top perspective view of the lighting assembly shown in FIG. 10;

12 is a rear perspective view of the lighting assembly shown in FIG. 10;

13 is a cutaway perspective view taken along line B-B of FIG.

14 is a cross-sectional view taken along the line B-B of FIG.

15 is an exploded view of a light source module provided in the lighting apparatus according to another embodiment of the present invention;

16 is an exemplary view showing light distribution angle control in the lighting apparatus according to another embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

1000,2000: Lighting device 1100,2100: Lighting assembly

1110,2110: Casing 1111,2111: Cover member

1113,2113: gap projection 1114,1125: power supply terminal

1120,2120: Light source module 1121,2121: Light source, LED

1123,2123: (Flexible) Circuit Board 1130,2140: Lens

1140,2150: heat dissipation unit 1141,2151: heat dissipation body

1143,2153: heat sink fin 1200: base part

2114,2125: Power supply terminal 2130: Reflector

Claims (20)

Casing; A light source module accommodated in the casing and having a light source and a flexible circuit board on which the light source is electrically mounted; And Is disposed along the outside of the light source module, the illumination assembly comprising a lens unit for refracting the light emitted from the light source to form a downward light. The illumination assembly of claim 1, wherein the light source module has a plurality of flexible printed circuit boards arranged in a conical shape inclined downward and the light sources are mounted on each of the flexible printed circuit boards. The illumination assembly of claim 1, wherein the lens unit is a downwardly convex lens. The lighting assembly of claim 1, further comprising a heat dissipation unit accommodated in the casing and dissipating heat generated from the light source module. 5. The lighting assembly of claim 4, wherein the heat dissipation unit includes a plurality of heat dissipation fins disposed in the light source module to be attached to the outer surface and radially disposed toward the center. An illumination assembly according to any one of claims 1 to 5; A base part for supporting the lighting assembly; And And a power supply unit accommodated in the base unit and supplying power to the lighting assembly. 7. The lighting apparatus according to claim 6, wherein the lighting assembly is provided in plural numbers and laminated in a vertical direction. 8. The lighting apparatus according to claim 7, wherein a gap protrusion is formed on the plate surfaces of the casings so as to form a vertical gap between the plurality of laminated assemblies between the lighting assemblies. 8. The lighting apparatus according to claim 7, wherein the power terminals of the plurality of light source modules are electrically connected to each other when the plurality of lighting assemblies are stacked and coupled. The lighting apparatus according to claim 7, wherein the plurality of illumination assemblies are formed to have a larger light distribution angle downwardly through the lens unit as they are positioned to be stacked above the lower portion. Casing; A light source module accommodated in the casing and having a light source and a flexible circuit board on which the light source is electrically mounted; And Is disposed along the outside of the light source module, the lighting assembly including a reflector for reflecting the light emitted from the light source to form a downward light. 12. The lighting assembly of claim 11, wherein the light source module has a plurality of flexible printed circuit boards arranged in a vertical cylindrical shape and the light sources are mounted on each of the flexible printed circuit boards. The lighting assembly as claimed in claim 11, wherein the reflector has a reflecting surface which is disposed in a circular shape along an upper edge of the light source module and is inclined downward. The lighting assembly of claim 11, further comprising a lens unit disposed below the reflector along the outer edge of the light source module, the lens unit refracting light emitted from the light source to form downward light. The lighting assembly of claim 14, further comprising a heat dissipation unit accommodated in the casing and dissipating heat generated from the light source module. An illumination assembly of any one of claims 11 to 15; A base part for supporting the lighting assembly; And And a power supply unit accommodated in the base unit and supplying power to the lighting assembly. 17. The lighting apparatus according to claim 16, wherein the lighting assembly is provided in plural numbers, and is laminated and coupled up and down. 18. The lighting apparatus according to claim 17, wherein a gap projection is formed on the plate surfaces of the casings so as to form a vertical gap between the plurality of laminated assemblies between the lighting assemblies. 18. The lighting apparatus according to claim 17, wherein the power terminals of the plurality of light source modules are electrically connected when the plurality of lighting assemblies are stacked and coupled. 18. The illumination apparatus according to claim 17, wherein the plurality of illumination assemblies are formed to have a light distribution angle larger downwardly through the reflecting portion as they are positioned to be stacked above the lower portion.

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