KR101304874B1 - Lighting device - Google Patents

Abstract

An embodiment relates to a lighting device.
The lighting apparatus according to the embodiment includes a member having a first disposition portion and a second disposition portion, a light source module disposed at the first disposition portion, and a first terminal disposed at the second disposition portion and electrically connected to the light source module. A light source unit having a; And a heat dissipation member including a first accommodating part having a second disposing part disposed on the member and having a second terminal disposed to correspond to the first terminal, and a second accommodating part in which a circuit part electrically connected to the second terminal is disposed. And a second disposition portion of the member is disposed in the first accommodating portion of the heat sink, and the first terminal and the second terminal directly contact each other.

Description

LIGHTING DEVICE

An embodiment relates to a lighting device.

Light emitting diodes (LEDs) are a type of semiconductor devices that convert electrical energy into light. The light emitting diode has advantages of low power consumption, semi-permanent lifetime, fast response speed, safety, and environmental friendliness compared with conventional light sources such as fluorescent lamps and incandescent lamps. Therefore, much research has been conducted to replace conventional light sources with light emitting diodes. Light emitting diodes are increasingly used as light sources for various lamps used in indoor / outdoor, liquid crystal display devices, electric sign boards, streetlights, and the like .

Japanese Laid-Open Patent No. 2009-206104 (published: 2009.09.10)

The embodiment provides a lighting device capable of separating the light source unit and the circuit unit.

It also provides a lighting device whose life does not depend on the circuit portion.

In addition, there is provided a lighting apparatus that can freely replace any damaged one of the light source unit and the circuit unit.

In addition, there is provided a lighting device that can produce and sell the light source unit and the circuit unit independently.

The lighting apparatus according to the embodiment includes a member having a first disposition portion and a second disposition portion, a light source module disposed at the first disposition portion, and a first terminal disposed at the second disposition portion and electrically connected to the light source module. A light source unit having a; And a heat dissipation member including a first accommodating part having a second disposing part disposed on the member and having a second terminal disposed to correspond to the first terminal, and a second accommodating part in which a circuit part electrically connected to the second terminal is disposed. And a second disposition portion of the member is disposed in the first accommodating portion of the heat sink, and the first terminal and the second terminal directly contact each other.

In one embodiment, a lighting apparatus includes: a light source module having a substrate and a light emitting device disposed on the substrate; A cover disposed on the light source module; A member coupled to the cover and including a top surface on which the light source module is disposed and a bottom surface on which a first terminal electrically connected to the light source module is disposed; A heat sink including one surface on which a second terminal in contact with the first terminal is disposed; A circuit unit disposed inside the heat sink and electrically connected to the second terminal; And an inner case disposed inside the circuit unit, coupled to the radiator, and preventing an electrical short between the circuit unit and the radiator.

Using the lighting apparatus according to the embodiment, there is an advantage that can separate the light source unit and the circuit unit.

In addition, there is an advantage that a lighting device whose lifetime does not depend on the circuit portion can be used.

In addition, there is an advantage that can be freely replaced any damaged of the light source unit and the circuit unit.

In addition, there is an advantage that can independently produce and sell the light source unit and the circuit unit.

1 is a perspective view of a lighting apparatus according to an embodiment.
FIG. 2 is an exploded perspective view of the lighting apparatus shown in FIG. 1. FIG.
3 is a perspective view of a light source unit and a circuit unit separated from the lighting apparatus shown in FIG. 1;
4 is a perspective view from below of the heat sink shown in FIG. 2;
FIG. 5 is a view showing a modified example of the first terminal and the second terminal shown in FIGS. 2 and 3.
6 is a view showing a modification of the lighting device shown in FIG.
7 is a view showing another modified example of the lighting device shown in FIG.
8 is a view showing a further modified example of the lighting device shown in FIG.

The thickness and size of each layer in the drawings are exaggerated, omitted, or schematically shown for convenience and clarity of explanation. In addition, the size of each component does not necessarily reflect the actual size.

In the description of the embodiment, when one element is described as being formed on an "on or under" of another element, it is on (up) or down (on). or under) includes two elements in which the two elements are in direct contact with each other or one or more other elements are formed indirectly between the two elements. Also, when expressed as "on or under", it may include not only an upward direction but also a downward direction with respect to one element.

Hereinafter, a lighting apparatus according to an embodiment will be described with reference to the accompanying drawings.

1 is a perspective view of a lighting apparatus according to an embodiment, FIG. 2 is an exploded perspective view of the lighting apparatus illustrated in FIG. 1, FIG. 3 is a perspective view of a circuit unit separated from a light source unit of the lighting apparatus illustrated in FIG. 1, and FIG. 4. Is a perspective view of the heat sink shown in FIG. 2 from below.

1 to 4, the lighting apparatus according to the embodiment may include a cover 100, a light source unit 200, a radiator 300, a circuit unit 400, an inner case 500, and a socket 600. Can be. Hereinafter, each component will be described in detail.

The cover 100 has a shape of a bulb or hemisphere, is hollow, and has a shape in which one part is opened.

The cover 100 is coupled to the light source unit 200. In detail, the cover 100 may be coupled to the member 250 of the light source unit 200. The coupling of the cover 100 and the member 250 may be coupled through an adhesive, and may be coupled in various ways such as a bolt fastening method, a rotation coupling method, and a hook coupling method. The bolt fastening method is a method of coupling the cover 100 and the member 250 by using a bolt, the rotation coupling method is a method that the thread of the cover 100 is coupled to the screw groove of the member 250 as a cover 100 The cover 100 and the member 250 are coupled to each other by the rotation of the hook 100, and the hook coupling method includes the jaw of the cover 100 fitted into the groove of the member 250 so that the cover 100 and the member 250 are coupled to each other. That's the way.

The cover 100 is optically coupled to the light source unit 200. In detail, the cover 100 may diffuse, scatter, or excite light from the light source unit 200. Here, the cover 100 may have a phosphor on the inside / outside or inside to excite the light from the light source unit 200.

The inner surface of the cover 100 may be coated with a milky paint. Here, the milky white paint may include a diffusing agent for diffusing light. The surface roughness of the inner surface of the cover 100 may be greater than the surface roughness of the outer surface of the cover 100. This is to sufficiently scatter and diffuse the light from the light source unit 200.

The material of the cover 100 may be glass, plastic, polypropylene (PP), polyethylene (PE), polycarbonate (PC), or the like. Here, polycarbonate is excellent in light resistance, heat resistance and strength.

The cover 100 may be a transparent material so that the light source unit 200 is visible from the outside, or may be an opaque material so as not to be visible.

The cover 100 may be formed through blow molding.

The light source unit 200 may include one or more light source modules 210 and members 250.

The light source module 210 is disposed on the member 250 to emit light to the inner surface of the cover 100. The member 250 is coupled to the heat sink 300 to electrically connect the light source module 210 and the circuit unit 300. Hereinafter, the light source module 210 and the member 250 will be described in detail.

The light source module 210 includes a substrate 211 and one or more light emitting elements 215. The light emitting element 215 is disposed on one surface of the substrate 211. The light source module 210 may be two, one, or three or more, as shown in the figure.

The substrate 211 may have a rectangular plate shape, but is not limited thereto and may have various shapes. For example, it may be circular or polygonal plate shape. The substrate 211 may be a printed circuit pattern on the insulator, for example, a printed circuit board (PCB), a metal core PCB, a flexible PCB, a ceramic PCB, etc. It may include. In addition, it is possible to use a Chips On Board (COB) type that can directly bond the LED chip unpacked on the printed circuit board. In addition, the substrate 211 may be formed of a material that reflects light efficiently, or the surface 211 may be formed of a color that reflects light efficiently, for example, white, silver, or the like.

The surface of the substrate 211 may be a material that efficiently reflects light, or may be coated with a color that efficiently reflects light, for example, white, silver, or the like.

The light emitting device 215 may be a light emitting diode chip that emits red, green, or blue light or a light emitting diode chip that emits UV light. Here, the light emitting diode chip may be a lateral type or a vertical type, and the light emitting diode chip may emit blue, red, yellow, or green light. .

The light emitting element 215 may have a phosphor. The phosphor may be at least one of a garnet system (YAG, TAG), a silicate system, a nitride system, and an oxynitride system. Alternatively, the fluorescent material may be at least one of a yellow fluorescent material, a green fluorescent material, and a red fluorescent material.

The member 250 may have a first disposition portion 251, a guide portion 253, and a second disposition portion 255. Here, the first disposition portion 251 may be an upper surface of the member 250, and the second disposition portion 255 may be a lower surface of the member 250. In addition, the first disposition part 251 and the second disposition part 255 may be distinguished by the guide part 253.

The light source module 210 is disposed in the first placement unit 251. In detail, the substrate 211 of the light source module 210 may be disposed on the first placement unit 251. The first placement unit 251 may have a cavity 251-1 through which the substrate 211 may be inserted. The depth of the cavity 251-1 may be the same as the thickness of the substrate 211. The cavity 251-1 may be plural in number depending on the number of the substrates 211.

The first terminal 270 is disposed in the second placement unit 255. The first terminal 270 is a conductor through which electricity can flow. The first terminal 27 has a + electrode and a-electrode. The + and-electrodes are spaced apart from each other. The + electrode is connected to the + electrode of the second terminal 330, and the − electrode is connected to the − electrode of the second terminal 330.

The first terminal 270 is electrically connected to the light source module 210 disposed on the first placement unit 251. Electrical connection between the first terminal 270 and the light source module 210 may be connected through a wire. That is, one end of the wire may be connected to the first terminal 270, and the other end thereof may be connected to the substrate 211 of the light source module 210.

In addition, the electrical connection between the first terminal 270 and the light source module 210 may be connected by the first terminal 270 itself. That is, one end of the first terminal 270 may be connected to the substrate 211 of the light source module 210, and the other end may be disposed in the second placement unit 255 as shown in FIG. 3.

The first terminal 270 is in direct contact with the second terminal 330 of the heat sink 300. The first terminal 270 and the second terminal 330 are electrically connected by the contact between the first terminal 270 and the second terminal 330.

The guide part 253 is disposed between the cover 100 and the heat sink 300. One side of the guide part 253 may be coupled to the cover 100, and the other side may be coupled to the heat dissipation fin 370 of the heat sink 300. The first disposition part 251 and the second disposition part 255 may be distinguished based on the guide part 253.

The second disposition part 255 is accommodated in the first accommodating part 310 of the heat sink 300. When the second disposition part 255 is accommodated in the first accommodating part 310, the first terminal 270 and the second terminal 330 mechanically contact each other, and accordingly, the first terminal 270 and the second terminal 270 are in contact with each other. Terminal 330 is electrically connected.

The material of the member 250 may be a material having thermal conductivity. This is to quickly receive heat generated from the light source module 210 to protect the light source module 210 from the heat. The material of the member 250 may be, for example, aluminum (Al), nickel (Ni), copper (Cu), magnesium (Mg), silver (Ag), tin (Sn), or an alloy of the above metals. Or a thermally conductive plastic having thermal conductivity. Thermally conductive plastics are lighter than metals and have the advantage of having unidirectional thermal conductivity.

Member 250 may have an insulator 290. When the member 250 is a metal material capable of conducting electricity, since the first terminal 270 is also a conductor, an electrical short may be formed between both members. Insulator 290 prevents the electrical short. The insulator 290 may be disposed on the second placement portion 255 of the member 250 to surround the first terminal 270.

The radiator 300 receives heat from the light source unit 200 and heat from the circuit unit 400 to radiate heat. The radiator 300 may be aluminum (Al), nickel (Ni), copper (Cu), magnesium (Mg), silver (Ag), tin (Sn), or an alloy of the metals. Or a thermally conductive plastic having thermal conductivity. Thermally conductive plastics are lighter than metals and have the advantage of having unidirectional thermal conductivity.

The radiator 300 may have a first accommodating part 310 and a second accommodating part 350.

The first accommodating part 310 may be formed by one surface of the heat sink 300 and the heat radiation fin 370. In detail, the first accommodating part 310 may be defined by one surface 311 of the heat sink 300 and one surface 371 of the heat radiation fin 370. Here, one surface 311 of the heat sink 300 and one surface 371 of the heat sink fin 370 may be substantially vertical.

The first accommodating part 310 accommodates the second disposition part 255 of the member 250. When the second placement part 255 is accommodated in the first accommodating part 310, one surface 311 of the first accommodating part 310 and one surface 371 of the heat dissipation fin 371 are arranged on the second placing part 255. Since it is in direct contact with the heat, the heat from the member 250 may be directly conducted to the radiator 300 and the radiator fin 370.

The first accommodating part 310 has a second terminal 330. The second terminal 330 is disposed on one surface 311 of the first accommodating part 310. The second terminal 330 is a conductor and is in direct contact with and electrically connected to the first terminal 270 of the member 250.

The second terminal 330 has a + electrode and a-electrode like the first terminal 270. The + and-electrodes are spaced apart from each other. The + electrode is connected to the + electrode of the first terminal 270, and the − electrode is connected to the − electrode of the first terminal 270.

The second accommodating part 350 is disposed to correspond to the first accommodating part 310 in the heat sink 300. The first accommodating part 310 is disposed on the second accommodating part 350, and the second accommodating part 350 is disposed under the first accommodating part 310.

The second accommodating part 350 may be a cavity having a predetermined depth in the direction of the first accommodating part 310 on the other surface of the heat sink 300. The depth of the second accommodating part 350 may be deeper than the depth of the first accommodating part 310. The depth of the second accommodating part 350 may vary depending on the size of the circuit part 400.

The second accommodating part 350 accommodates the circuit part 400 and the inner case 500. In detail, the inner case 500 accommodates the circuit part 400, and the second accommodating part 350 accommodates the inner case 500.

The radiator 300 may have a radiator fin 370. The heat dissipation fin 370 may extend from an outer surface of the heat sink 300 or be connected to the outer surface. The heat dissipation fin 370 may improve the heat dissipation efficiency by widening the heat dissipation area of the heat dissipator 300.

One surface 371 of the heat dissipation fin 370 may form the first accommodating part 310 together with one surface 311 of the heat dissipation member 300.

The guide part 253 of the member 250 is disposed on the heat dissipation fin 370. The heat dissipation fin 370 may receive heat directly from the guide part 253.

The heat sink 300 may have an insulator 390. When the member 300 is a metal material capable of conducting electricity, since the second terminal 330 is also a conductor, an electrical short may be formed between both members. Insulator 390 prevents the electrical short. The insulator 390 may be disposed on one surface 311 of the heat sink 300 to surround the second terminal 330.

The circuit unit 400 receives power from the outside and converts the received power to match the light source module 210 of the light source unit 200. The converted power is supplied to the light source unit 200.

The circuit unit 400 is disposed on the heat sink 300. In detail, the circuit unit 400 is accommodated in the inner case 500 and together with the inner case 500 in the second accommodating part 350 of the heat sink 300.

The circuit unit 400 may include a circuit board 410 and a plurality of components 430 mounted on the circuit board 410.

The circuit board 410 has a circular plate shape, but is not limited thereto and may have various shapes. For example, it may be an oval or polygonal plate shape. The circuit board 410 may be a circuit pattern printed on the insulator.

The circuit board 410 is electrically connected to the second terminal 330 of the heat sink 300. The electrical connection between the circuit board 410 and the second terminal 330 may be connected through a wire. That is, one end of the wire may be connected to the second terminal 330 and the other end may be connected to the circuit board 410.

In addition, the electrical connection between the circuit board 410 and the second terminal 330 may be connected by the second terminal 330 itself. That is, one end of the second terminal 330 may be directly connected to the circuit board 410, and the other end thereof may be disposed on one surface 311 of the heat sink 300 as shown in FIG. 2.

The plurality of components 430 may include, for example, a DC converter for converting AC power provided from an external power source into DC power, a driving chip for controlling driving of the light source module 210, and a light source module 210 to protect the light source module 210. Electrostatic discharge (ESD) protection element and the like.

The inner case 500 accommodates the circuit unit 400 therein. The inner case 500 may have an accommodating part 510 for accommodating the circuit part 400. The accommodating part 510 may have a cylindrical shape. The shape of the accommodating part 510 may vary according to the shape of the second accommodating part 350 of the radiator 300.

The inner case 500 is accommodated in the heat sink 300. The accommodating part 510 of the inner case 500 is accommodated in the second accommodating part 350 of the radiator 300.

The inner case 500 is coupled to the socket 600. The inner case 500 may have a connection part 530 that couples to the socket 600. The connection part 530 may have a thread structure corresponding to the screw groove structure of the socket 600.

The inner case 500 is a nonconductor. Therefore, an electrical short circuit between the circuit part 400 and the heat sink 300 is prevented. The inner case 500 may be made of plastic or resin.

The socket 600 is coupled to the inner case 500. In detail, the socket 600 is coupled to the connection part 530 of the inner case 500.

The socket 600 may have a structure such as a conventional conventional incandescent bulb. The circuit unit 400 and the socket 600 are electrically connected to each other. Electrical connection between the circuit unit 400 and the socket 600 may be connected through a wire. Therefore, when external power is applied to the socket 600, the external power may be transmitted to the circuit unit 400.

The socket 600 may have a screw groove structure corresponding to the thread structure of the connection part 550.

5 is a diagram illustrating a modified example of the first terminal and the second terminal illustrated in FIGS. 2 and 3.

Terminals 270 ′ and 330 ′ shown in FIG. 5 are modified examples of the second terminal 330 shown in FIG. 2 and the first terminal 270 shown in FIG. 3.

Referring to FIG. 5, the first and second terminals 270 ′ and 330 ′ may include a circular − electrode and a + electrode surrounding the − electrode.

6 is a view showing a modified example of the lighting device shown in FIG.

In describing the lighting apparatus according to the modified example illustrated in FIG. 6, only parts different from the lighting apparatus illustrated in FIGS. 1 to 4 will be described.

The light source portion 200 'has a thread 255a'. Thread 255a 'may be disposed on second placement portion 255' of member 250 '.

The light source unit 200 ′ has a first terminal 270 ′ shown in FIG. 5.

The heat sink 300 'has a first accommodating portion 310'. The first accommodating part 310 'may be a cavity defined by the bottom surface 311' and the side surface 313 '.

The heat sink 300 'has a screw groove 313a'. The screw groove 313a 'is coupled to the thread 255a' of the light source 200 '. The screw groove 313a 'may be disposed on the side surface 313' of the first accommodating part 310 '.

The heat sink 300 'has the second terminal 330' shown in FIG.

In the lighting apparatus illustrated in FIG. 6, the light source unit 200 ′ and the radiator 300 ′ may be easily rotated or separated from each other by using a screw thread 255a ′ and a screw groove 313a ′. In addition, since the first and second terminals 270 ′ and 330 ′ shown in FIG. 5 are provided, a circuit unit (not shown) disposed inside the light source unit 200 ′ and the heat sink 300 ′ is easily provided. Can be connected.

FIG. 7 is a view illustrating another modified example of the lighting apparatus illustrated in FIG. 2.

In describing the lighting apparatus according to another modified example illustrated in FIG. 7, only parts different from those illustrated in FIGS. 1 to 4 will be described.

The light source unit 200 '' has a locking step 253a ''. The locking jaw 253a '' may be disposed at the guide portion 253 '' of the member 250 ''. The guide part 253 '′ may be disposed between the first placement part (not shown) and the second placement part 255' ′. The catching jaw 253a '′ may have a shape protruding from the guide part 253' ′ to the direction in which the heat sink 300 '′ is disposed.

The light source unit 200 ′ ′ has a first terminal 270 ′ shown in FIG. 5. However, the present invention is not limited thereto, and the first terminal 270 ′ may be the first terminal 270 illustrated in FIG. 3.

The heat sink 300 '' has a tab portion 320 ''. The first accommodating part 310 ′ ′ may be defined by the tab part 320 ′ ′ and the one surface 311 ′ ′ of the heat sink 300 ′ ′.

The tab portion 320 '' has a locking groove 320a ''. A locking step 253a '' is inserted into the locking groove 320a ''.

The number of catching grooves 320a '′ corresponds to the number of catching jaws 253a ′ ′.

The heat sink 300 '' has the second terminal 330 'shown in FIG. However, the present invention is not limited thereto, and the second terminal 330 'may be the second terminal 330 shown in FIG. 2.

In the lighting apparatus illustrated in FIG. 7, the light source 200 ″ and the radiator 300 ″ may be easily coupled or separated by using the locking step 253a ″ and the locking groove 320a ″. In addition, since the first and second terminals 270 ′ and 330 ′ shown in FIG. 5 are provided, a circuit unit (not shown) disposed inside the light source unit 200 ″ and the radiator 300 ″ may be easily provided. Can be electrically connected.

8 is a view showing another modified example of the lighting apparatus shown in FIG.

In describing the lighting apparatus according to another modified example illustrated in FIG. 8, only portions different from those of the lighting apparatus illustrated in FIG. 7 will be described.

The light source unit 200 '' 'has a locking step 255a' ''. The locking jaw 255a '′ ′ may be disposed on the second placement unit 255 ′ ′ ′ of the member 250 ′ ′ ′. The catching jaw 255a '′ ′ may have a shape protruding in a direction perpendicular to the direction in which the heat sink 300 ′ ′ ′ is disposed in the second placement unit 255 ′ ′ ′.

The light source unit 200 ′ ′ ′ has a first terminal 270 ′ shown in FIG. 5. However, the present invention is not limited thereto, and the first terminal 270 ′ may be the first terminal 270 illustrated in FIG. 3.

The heat sink 300 '"' has a catching groove 320a ''." A locking jaw 255a '’is inserted into the locking groove 320a'’. The locking groove 320a '’may have a curved shape in the shape of' ㄴ '. As the locking step 255a '′ ′ moves along the locking groove 320a ′ ′ ′, the light source 200 ′ and the heat sink 300 ′ may be coupled to each other.

The number of catching grooves 320a '′ ′ corresponds to the number of catching jaws 255a ′ ′ ′.

The heat sink 300 '"' has a second terminal 330 'shown in FIG. However, the present invention is not limited thereto, and the second terminal 330 'may be the second terminal 330 shown in FIG. 2.

The lighting apparatus shown in FIG. 8 is easily coupled or separated from the light source unit 200 '''and the heat sink 300''' using the locking step 255a '''and the locking groove 320a'''. can do. In addition, since the first and second terminals 270 ′ and 330 ′ shown in FIG. 5 are included, a circuit unit (not shown) disposed inside the light source unit 200 ′ ″ and the heat sink 300 ′ ″. Can be easily electrically connected.

Although the above description has been made with reference to the embodiments, these are only examples and are not intended to limit the present invention, and those of ordinary skill in the art to which the present invention pertains should not be exemplified above without departing from the essential characteristics of the present embodiments. It will be appreciated that many variations and applications 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.

100: cover
200: light source
300: radiator
400: circuit part
500: inner case
600: socket

Claims (14)

A light source unit having a member having a first disposition portion and a second disposition portion, a light source module disposed at the first disposition portion, and a first terminal disposed at the second disposition portion and electrically connected to the light source module; And
A heat dissipation member including a first accommodating portion having a second disposing portion disposed in the member and having a second terminal disposed to correspond to the first terminal, and a second accommodating portion in which a circuit portion electrically connected to the second terminal is disposed; Including,
And the second terminal is in direct contact with the second terminal when the second disposing portion of the member is disposed in the first accommodating portion of the heat sink. The method of claim 1,
The second disposition portion of the member has a thread,
The first accommodating portion of the heat sink is a lighting device having a screw groove coupled with the screw thread. The method of claim 1,
The heat sink includes a surface on which the second placement portion of the member is disposed, and a tab portion defining the first accommodation portion together with the one surface.
The tab portion has at least one locking groove,
The member has a locking jaw coupled to the locking groove. The method of claim 1,
The light source unit includes an insulator surrounding the first terminal and disposed on the second disposition unit of the member,
And the insulator prevents an electrical short between the first terminal and the second disposing portion. The method of claim 1,
The heat sink includes an insulator surrounding the second terminal and disposed in the first accommodating part of the heat sink,
The insulator prevents an electrical short between the second terminal and the heat sink. A light source module having a substrate and a light emitting element disposed on the substrate;
A cover disposed on the light source module;
A member coupled to the cover and including a top surface on which the light source module is disposed and a bottom surface on which a first terminal electrically connected to the light source module is disposed;
A heat sink including one surface on which a second terminal in contact with the first terminal is disposed;
A circuit unit disposed inside the heat sink and electrically connected to the second terminal; And
An inner case having the circuit part disposed therein, coupled to the heat sink, and preventing an electrical short between the circuit part and the heat sink;
≪ / RTI > The method of claim 6, wherein the member,
A guide part disposed between the upper surface and the lower surface and disposed between the cover and the heat sink;
≪ / RTI > The method according to claim 6,
The radiator includes a first accommodating part in which the member is disposed and a second accommodating part in which the inner case is disposed. The method according to claim 6,
The member further comprises a threaded side,
The radiator further comprises a side having a screw groove coupled with the thread. The method according to claim 6,
The heat sink further includes a tab portion disposed on one surface of the heat sink and having a locking groove.
The member further includes a locking jaw inserted into the locking groove. The method according to claim 3 or 10,
The locking groove is a lighting device having a 'b' shape. The method according to claim 6,
The member has a first insulator surrounding the first terminal and preventing an electrical short between the first terminal and the member,
The radiator includes a second insulator surrounding the second terminal to prevent an electrical short between the second terminal and the radiator. 7. The method according to claim 1 or 6,
The first terminal and the second terminal, a circular first electrode and a lighting device including a second electrode surrounding the first electrode. 7. The method according to claim 1 or 6,
The radiator is a lighting device having a heat radiation fin.

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