KR20110127531A - Light emitting device - Google Patents

Abstract

The present invention includes an LED module extending to an insertion hole through which a circuit pattern electrically connected to the mounted LED is formed, and a connection lead electrically connected to the circuit pattern for supplying external power, and detachable from the insertion hole. And a joint connector fixed to each other so as to communicate with the insertion hole to dissipate heat generated by the LED, and a through hole having a radially protruding rib formed therein so that the socket connector is installed to contact the rear surface of the LED module. A sink and a fitting hole are formed in communication with the through hole of the heat sink, and the mounting panel is installed to be in contact with the rear surface of the heat sink, and the stepped portion is installed to be in contact with the rear surface of the mounting panel and is connected to the connection lead of the joint connector. An energizing lead is provided so that the front end of the joint And a heat dissipation device having an LED waterproof means for waterproofing the heat sink and the mounting panel to prevent moisture from penetrating into the socket connector coupled to the connector and the LED module and the joint connector.
Thus, according to the present invention, as the waterproof means is provided between the respective components constituting the heat dissipation device, the light emitting device is installed outdoors and condenses moisture into the interior when snow, rain or condensation due to temperature difference occurs. It is effective to prevent the light emitting device from operating stably.

Description

Luminescence device

The present invention relates to a light emitting device using an LED, and more particularly, to a light emitting device that is detachably installed on a fixed object such as a head of a lamp, and is provided with a waterproof means at a detachable portion to protect the LED from moisture.

LED (L.E.D) is a light source that consumes low power and has a long lifespan, and is being used in a wide range of fields as high brightness LEDs are recently developed.

7 shows a module (M) mounted to the head portion of the street lamp using the LED, a plurality of LED lamps 100 are used to obtain sufficient brightness at night, the spread of the LED lamp 100 In order to condense the light source, the illumination angle of some LED lamps is set to be different from that of other LED lamps. In addition, a plurality of LEDs may be mounted in one LED lamp 100 to obtain sufficient illuminance.

The LED lamp 100 has an LED lamp 100 unitized to include an LED is fixed on the heat sink, the back of the heat sink is provided with a circuit board for lighting the LED.

In the related art, the LED lamp is formed by attaching or removing a hole in a heat sink having a circuit board, connected to the circuit board through a detachable hole, and a joint connector or a socket connector for supplying power is inserted and rotated to fix the LED lamp and the joint connector. As the parts constituting the lamps are detachably formed, it is easy to replace or maintain a unit LED lamp or a circuit board in a lamp having a plurality of LED lamps installed thereon.

However, such a conventional LED lamp has a separable advantage, but mainly due to the nature of the LED lamp installed outdoors as a lamp, the problem of water leakage into the interior of the lamp due to weather condensation or weather changes such as rain or snow depending on the season. There was this.

The present invention has been made to solve the above-described problem, an embodiment of the present invention has an object of preventing moisture from entering the interior of the light-emitting device made detachable using the LED.

More specifically, the present invention has an object of waterproofing the inner side between the LED and the connector electrically connected to the LED.

In addition, the present invention has an object of waterproofing the coupling means is coupled when the LED is coupled to the mounting panel or heat dissipation means.

In addition, the present invention has an object of waterproofing between the plug and the connector for supplying power to the LED.

In addition, the present invention has an object of waterproofing the coupling means of the connector and plug.

In order to solve the above problems, the present invention includes an LED module extending to the insertion hole through which the circuit pattern electrically connected to the mounted LED is formed, and a connection lead electrically connected to the circuit pattern to supply external power. And a joint connector detachably fixed to the insertion hole, and a communication hole communicating with the insertion hole so as to dissipate heat generated from the LED, and a through hole having a rib projecting radially inside the socket connector to be installed. A heat sink installed to be in contact with the rear surface of the module, a fitting hole formed in communication with a through hole of the heat sink, and a mounting panel installed to be in contact with the rear surface of the heat sink; An energizing lead connected to the connection lead of the joint connector is provided. A socket connector having a front end coupled to the joint connector and an LED waterproof means for waterproofing the heat sink and the mounting panel so as to prevent moisture from penetrating into the LED module and the joint connector are provided. .

The LED waterproof means is installed on the rear surface of the heat sink and the through-hole sealing member formed to surround the through hole in contact with the socket connector connected to the joint connector for supplying power to the LED module, and the back of the heat dissipation member The through-hole sealing member is installed in the through-hole sealing member installation grooves formed to be recessed inward to correspond to the shape of the through-hole sealing member.

The through-hole sealing member is formed on the rear surface of the heat sink is characterized in that it is formed to extend to further wrap the coupling hole for coupling the LED module.

The socket connector is further provided with a plug having a power supply terminal connected to the lower side of the conducting lead of the socket connector for supplying power, wherein a power supply waterproofing means is further installed between the socket connector and the plug. .

The power supply waterproof means is a plug sealing member installed to correspond to the shape of the conduction lead installation portion on the outside of the power supply terminal to contact the end of the terminal installation portion protruding to surround the lower outer side of the conduction lead. .

The power supply waterproofing means is provided with a coupling member mounting hole into which the coupling member is inserted such that the plug is coupled to extend to the socket connector, and a coupling sealing member installed on the inner surface of the coupling member mounting hole to surround the outer surface of the coupling member. It is characterized by further included.

According to the light emitting device according to the embodiment of the present invention as described above, the present invention is provided with a waterproof means between the respective components constituting the heat dissipation device, the light emitting device is installed outdoors by snow, rain or temperature difference When condensation or the like occurs, moisture is prevented from entering into the inside, so that the light emitting device is electrically stable.

In addition, according to the present invention, as the through-hole sealing member is installed in the through hole into which the sock connector is inserted between the cradle or heat dissipation means coupled to the LED module and the socket connector connected to the joint connector, moisture infiltration is provided between the joint connector and the socket connector. There is an effect that is prevented.

In addition, according to the present invention, the waterproofing between the joint connector and the socket connector is further perfected by waterproofing the coupling means for coupling the LED module and the cradle or the heat dissipation means in addition to the through-hole sealing member.

In addition, the present invention has the effect of providing a stable supply of power to the LED module as the plug sealing member is further provided to waterproof between the plug and the socket connector for supplying power to the LED module.

In addition, the present invention is further provided with a coupling sealing member in the coupling groove for coupling the plug and the socket connector has the effect of preventing the ingress of moisture through the coupling means between the socket connector and the plug.

1 is an exploded perspective view of a light emitting device according to the present invention;
Figure 2 is an exploded perspective view showing the LED waterproof means of the heat sink according to the present invention.
3 is a view showing the LED waterproof means of the heat sink and the mounting panel and the socket connector according to the present invention.
Figure 4 shows the power supply waterproof means between the socket connector and the plug according to the present invention.
5 is a perspective view showing a heat radiating device according to the present invention.
6 is a sectional view showing a cross section of the heat dissipation device according to the present invention;
7 illustrates a general light emitting device.

Hereinafter, the function, configuration and operation of the light emitting device of the present invention will be described in detail with reference to preferred embodiments of the accompanying drawings.

1 is an exploded perspective view of a light emitting device according to the present invention.

In the light emitting device 100 according to the preferred embodiment of the present invention, the LED module 1, the joint connector 2, the heat dissipation member, the socket connector 4, the plug 5, the lens unit 6, and respective components thereof are provided. Waterproof means for waterproofing is included.

Hereinafter, the object to which the light emitting device is fixed will be described as limited to the mounting panel 32. The mounting panel 32 has a plate shape, and when the light emitting device is used for a street lamp, the mounting panel 32 may be a fixing member provided inside the street lamp head. The mounting panel 32 may be made of resin, but is not limited thereto. The mounting panel 32 may be made of metal and may have a function of a heat sink to absorb heat generated by the LED. In addition, the mounting panel 32 may be provided with a plurality of light emitting devices.

The LED module 1 is a plate-shaped circuit board on which one or more LEDs 11 are mounted and a circuit pattern electrically connected to the LEDs 11 is formed. At this time, the LED module 1 is made of a metal material that does not pass through, it may have a function of a heat sink to absorb the heat generated by the LED (11). In addition, the insertion hole 12 penetrated up and down is formed in the center of the LED module (1).

At the edge of the insertion hole 12 of the LED module 1, a circuit pattern 13 for supplying power to the LED 11 is formed. At this time, the LED module 1 is preferably formed in a radial manner by the circuit pattern 13 is arranged at equal intervals at the edge of the insertion hole 12 when a plurality of LEDs 11 are installed.

In addition, an LED coupling hole 18 is formed in the LED module 1 serving as a circuit board so as to be coupled to the heat sink 31, the mounting panel 32, and the socket connector 4, which will be described later.

The joint connector 2 passes through the insertion hole 12 of the LED module 1, the through hole 311 of the heat sink 31, which will be described later, and the fitting hole 321 of the mounting panel 32. Thus, it is coupled to the socket connector 4 on the back of the mounting panel 32, to fix the LED module (1) to the heat sink (31).

The joint connector 2 includes a connection lead 21 electrically connected to the circuit pattern 13 of the LED module 1 and is detachably fixed to the insertion hole 12.

That is, the joint connector 2 has a function of supplying power to the LED 11 through the connection lead 21, is inserted into the insertion hole 12 of the LED module 1, and then coupled to the socket connector 4. If the function of fixing the LED module 1 and the replacement of the LED module 1 is required to have a function to be separated from the LED module (1) by the operator.

The joint connector 2 is formed at the lower portion of the flange portion 22 and the flange portion 22 caught by the edge of the insertion hole 12, the body having an elastic protrusion piece 231 is formed on the side to protrude to have an elasticity to the outside Part 23 is included.

The flange portion 22 is formed to have a diameter larger than the diameter of the insertion hole 12 in the upper portion of the cylindrical body portion 23, when the flange portion 22 is inserted into the LED module 1, the insertion hole 12 It can support the edge of the.

On the side of the body portion 23, a plurality of elastic protrusion pieces 231 are formed radially. The lower portion of the elastic protrusion piece 231 is connected to the body portion 23 so that the elastic protrusion piece 231 can be elastically pressed into the inside of the body portion 23, both sides and the upper portion of the elastic protrusion piece 231 Is cut and formed to be spaced apart from the body portion (23).

At this time, the elastic protrusion piece 231 is supported by the back of the LED module 1 through the insertion hole 12, the LED module 1 can be fixed to the joint connector (2).

In addition, a separation lever 232 may be further included so that an operator can easily pull out the joint connector 2 fixedly inserted therein. The separating lever 232 is made of a rod body that is coupled or integrally formed on the upper end of the joint connector 2, and the outer circumferential surface of the rod body is recessed to recess the end of the rod body so that an operator can easily grip and pull the finger.

On the other hand, the connection lead 21 is provided with a plurality of radially against the circuit pattern 13 formed around the insertion hole 12 is elastically moved when the joint connector 2 is inserted into contact with the circuit pattern 13 do.

In addition, referring to FIG. 6, a step 233 is formed at the lower portion of the joint connector 2 to protrude from the hollow inner wall surface. Such a step 233 is fitted to the engaging protrusion 421 of the socket connector 4 described later to couple the socket connector 4 and the joint connector 2 to each other.

The heat sink 31 is a heat dissipation member installed between the LED module 1 and the mounting panel 32 to dissipate heat generated from the LED 11, and the mounting panel 32 for mounting the LED module 1. When the metal member is formed, the mounting panel 32 may also be included as a heat radiating member.

In other words, the heat sink 31 is installed so that the rear surface is in contact with the mounting panel 32, the upper surface of the heat sink 31 is in contact with the rear surface of the LED module 1 to absorb the heat generated by the LED 11 to heat the primary heat, Heat conduction to the mounting panel 32 is to be secondary heat radiation from the mounting panel (32).

The heat sink 31 is formed with a through hole 311 through which the body 23 of the joint connector 1 coupled to the LED module 1 passes, and protrudes radially inside the through hole 311. The rib 312 is formed to have an inclined surface on one side.

In addition, it is preferable that the heat sink 31 has a plurality of heat dissipation fins 313 formed on the side thereof to increase the heat dissipation area.

Meanwhile, the heat sink 31 further includes a connector coupling hole 318 to communicate with the LED coupling hole 18 of the LED module 1 described above and to be coupled to the socket connector 4 to be described later.

The socket connector 4 will be described with reference to FIG. 3 to be described later. The socket connector 4 includes a conduction lead 41 electrically connected to the connection lead 21 of the joint connector 2, and is coupled to the joint connector 2.

The energizing lead 41 is provided with a plurality inside the socket connector 4, that is, inside the connection hole 42 so as to correspond to the connection lead 21 provided in the joint connector 2, and each connection lead 21. And electrical connection.

At this time, the conducting lead 41 is formed so that the upper portion is convexly curved to the inside of the connection hole 42 to have a stable connection with the connecting lead 21, the lower portion to the lower portion of the socket connector (4) It is extended and connected with the plug 5 described below.

6, the stepped protrusion 233 is formed inside the connection hole 42 of the socket connector 4 to protrude outwardly so as to protrude inwardly under the joint connector 2. Is made to take on. At this time, the lower end surface of the engaging projection piece 421 or the stepped portion 233 of the joint connector 2 may be formed to be inclined gently to help elastic movement when the joint connector 2 is pulled out.

A coupling flange 43 is formed radially outward on the upper portion of the socket connector 4, and is coupled to the rib 312 formed inside the through hole 311 of the heat sink 31. In addition, a stepped portion 44 is formed on the outer surface of the socket connector 4 to face the rear surface of the mounting panel 32.

As one side of the coupling flange 43 is formed as an inclined surface corresponding to the inclined surface of the rib 312, the socket connector 4 is inserted into the through hole 311 of the heat sink 31 and then rotated. Is moved over the rib 312, and the socket connector 4 and the heat sink 31 are coupled.

On the other hand, the lower end of the socket connector 4, that is, the lower side of the step 44, one end is connected to the upper end of the conducting lead 41 and the lower end of the conducting lead 41 is connected to the plug 5 to be described later.

At this time, at least three energizing leads 41 are installed and protruded downward so that the energizing leads 41 are not exposed to the outside of the energizing leads 41 so as to surround the lower ends of the energizing leads 41. The conductive lead installation portion 45 formed as is formed.

On the outside of the conducting lead installation portion 45, a plurality of coupling member installation portions 47 are further formed to protrude like the conduction lead installation portion 45, so that a coupling member 571 to be described below is installed to be coupled to the plug 5. Be sure to

In addition, the stepped portion 44 of the socket connector 4 is formed to be in contact with the rear surface of the mounting panel 32, the stepped portion 44 is the LED coupling hole 18 and the heat sink 31 of the LED module 1 The connector coupling hole 48 is formed in communication with the heat sink coupling hole 318 of the mounting panel 32 and the mounting panel coupling hole 328 of the mounting panel 32, and the LED module 1 is formed by the connector coupling member 481 penetrating them. ) And the heat sink 31 and the mounting panel 32 and the sock connector 4 are coupled.

Thus, the socket connector 4 is inserted into the fitting hole 321 of the mounting panel from the rear of the mounting panel 32 to the upper portion, the heat sink 31 is installed so that the fitting hole 321 and the through hole 311 coincide. By inserting into the rib 312 of the (), the stepped portion 44 and the coupling flange 43 of the socket connector 4 are respectively attached to the back of the mounting panel 32 and the rib 312 of the heat sink 31. The heat sink 31 is fixed to the mounting panel 32.

The plug 5 is formed with a Y-shaped protrusion 55 having a smaller size than the conductive lead mounting portion 45 so as to be inserted into the conductive lead mounting portion 45, and an inner side of the Y-shaped protrusion 55 with a conductive lead ( One side of a power supply terminal 551 connected to 41 to supply power is implied. The other side of the power supply terminal 551 is fixed to the fixing hole 54 of the Y-shaped protrusion 55 and protrudes toward the rear end of the plug 5 to be connected to a power supply source (not shown).

In addition, the Y-shaped protrusion 55 is inserted into the outside of the Y-shaped protrusion 55 to the inside of the conduction lead installation portion 45, and the conduction lead installation portion when the conduction lead 41 and the power supply terminal 551 are connected. A coupling support member 56 is further formed to surround the outer surface of the 45.

In other words, when the coupling support member 56 is positioned to be spaced apart from the Y-shaped protrusion 55 to support the outer surface of the conductive lead installation portion 45 so that the plug 5 is coupled to the lower side of the socket connector 4. Prevent them from separating.

In addition, the coupling support member 56 is provided with a coupling member installation hole 57 into which the coupling member 571 is inserted to extend outward. Accordingly, the coupling member 571 is inserted into the coupling member mounting hole 57 and inserted into the coupling member mounting portion 47 formed on the rear surface of the stepped portion 44 of the socket connector 4 to connect the socket connector 4 and the plug ( 5) to be combined.

The lens unit 6 diffuses the light emitted from the LED 11 at a large angle, and covers the entire surface of the LED 11 where light is generated and is coupled to the heat sink 31.

2 is an exploded perspective view showing the LED waterproof means of the heat sink according to the present invention, Figure 3 is a view showing the LED waterproof means of the heat sink and the mounting panel and the socket connector according to the present invention.

The waterproof means seals the outside and the light emitting device 10 in order to prevent all of the moisture flowing into the respective components, as well as waterproof both between each component and the LED module (1), The joint connector 2 and the heat sink 31, the LED waterproof means for waterproofing between the mounting panel 32, and the power supply waterproof means for waterproofing between the joint connector 4 and the plug (5).

Thus, referring to Figure 2, the LED waterproof means is a through-hole sealing member 71 provided on the rear surface of the heat sink 31 to be a heat dissipation member. The through hole sealing member 71 is formed in a ring shape so as to surround the through hole 311 of the heat sink 31, and is in contact with the mounting panel 32 coupled to the rear surface of the heat sink 31. Moisture is prevented from entering into the LED module (1) coupled to the inside and the joint connector (1).

In addition, the through hole sealing member 71 is formed at one side and the other side of the through hole 311 around the through hole 311 to couple the heat sink 31 to the mounting panel 32 and the socket connector 4. Two ring-shaped coupling hole sealing members 72 are further formed to cover the outside of the connector coupling hole 318 so as to extend to one side and the other side of the through hole sealing member 71 to prevent leakage by the coupling hole 318. Prevent it.

In particular, the coupling hole sealing member 72 seals the outer side of the heat sink coupling hole 318 and the LED coupling hole 18 of the LED module 1 in communication with the heat sink coupling hole 318 and the mounting panel 32. Through the mounting panel coupling hole 328 and the connector coupling hole 48 of the socket connector 4 to prevent intrusion of moisture.

Here, in order to install a through-hole sealing member 71 and a coupling hole sealing member 72 formed to extend with the through-hole sealing member 71, the heat sink is recessed inward to correspond to its shape. It is preferable that the sealing member installation groove 73 is formed.

On the other hand, as shown in Figure 3, the LED waterproof means is formed with a stepped sealing member mounting groove 74a in the stepped portion 44 of the socket connector 4 is inserted into the stepped sealing member mounting groove 74a Ordinary elastic ring-shaped stepped sealing member 74 is further included.

Accordingly, the LED waterproof means is formed integrally to be inserted into the heat dissipation sealing member installation groove 73 formed on the rear surface of the heat sink 31 between the heat sink 31 and the mounting panel 32 through the sealing member 71 And the coupling hole sealing member 72, which seals the rear surface of the heat sink 31 and the mounting panel 32 to provide airtightness to the inside of the heat sink 31, that is, the LED module 1 and the joint connector 2. Intrusion is prevented. In addition, the LED waterproof means further includes a stepped sealing member installation groove 74a and a stepped sealing member 74 to be in contact with the outside of the fitting hole 321 of the mounting panel 32, the mounting panel 32 and the socket connector The air gap between the step portions 44 of (4) is hermetically prevented from ingress of moisture into the LED module 1 from the outside of the socket connector 4.

Figure 4 is a view showing the power supply waterproof means between the socket connector and the plug according to the invention, Figure 5 is a perspective view showing a heat dissipation device according to the invention, Figure 6 is a cross-sectional view of the heat dissipation device according to the invention It is sectional drawing.

As shown, a plug sealing member 75 is installed between the socket connector 4 and the plug 5 on the bottom surface between the Y-shaped protrusion 55 and the coupling support member 56 as a power supply waterproofing means.

Thus, when the socket connector 4 and the plug 5 are coupled to each other, the Y-shaped protrusion 55 of the plug 5 is inserted into the conduction lead installation portion 45 of the socket connector 4 to conduct the conduction lead 41. When the lower end and the power supply terminal 551 is connected, the plug sealing member 75 is in contact with the end of the terminal mounting portion 45, so that moisture flows into the conducting lead mounting portion 45 and the Y-shaped protrusion 55. Is prevented.

The inner surface of the coupling member mounting hole 47 of the socket connector 4 surrounds the outer surface of the coupling member 571 when the coupling member 571 inserted into the coupling member mounting hole 57 of the plug 5 is inserted. The coupling sealing member 76 is installed so that the coupling member 571 is also waterproof.

5 and 6, a fixing hole sealing member 77 is further installed on an inner surface of the fixing hole 54 to which the power supply terminal 551 is fixed, so that moisture is absorbed from the outside of the power supply terminal 551. It is prevented from being drawn in and drawn into the power supply terminal 551.

Meanwhile, referring back to FIGS. 1 and 6, the lens unit 6 is coupled to a heat sink 31 that is a heat dissipation member, and the lens waterproofing waterproofs them between the heat sink 31 and the lens unit 6. The member 78 is provided.

Therefore, as the heat dissipation means is installed between each component constituting the heat dissipation device, that is, the lens unit 6, the LED module 1, the joint connector 2, the heat dissipation member, and the socket connector 4, the heat dissipation device is installed. Ingress of moisture from the environment into the heat sink is prevented.

1: LED module
11: LED 12: insertion hole 13: circuit pattern 18: LED coupling hole
2: joint connector
21 connection lead 22 flange portion 23 body portion
231: elastic projection piece 232: separation lever
233: step
31: heat sink 311: through hole 312: rib
313: heat sink fin 318: heat sink coupling hole
32: mounting panel 321: fitting hole 328: mounting panel coupling hole
4: socket connector
41: energized lead 42: connector
421: jamming piece
44: step 45: energizing lead mounting portion
47: coupling member mounting portion 48: connector coupling hole 481: connector coupling member
5: plug
54: fixing hole 55: Y-shaped protrusion 551: power supply terminal
56: coupling support member 57: coupling member mounting hole 571: coupling member
6: lens part
71: through-hole sealing member 72: coupling ball sealing member 73: sealing member mounting groove
74: stepped sealing member 74a: stepped sealing member mounting groove
75 plug sealing member 76 coupling sealing member 77 fixing hole sealing member
78: lens sealing member

Claims (6)

An LED module 1 extending to an insertion hole 12 through which a circuit pattern 13 electrically connected to the mounted LED 11 is formed;
A joint connector (2) including a connection lead (21) electrically connected to the circuit pattern (13) for supplying external power and detachably fixed to the insertion hole (12);
In communication with the insertion hole 12 to dissipate heat generated by the LED 11, a through hole 311 is formed in which the rib 312 protrudes radially inward so that the socket connector 4 is installed. A heat sink 31 installed to be in contact with the rear surface of the LED module 1;
Mounting panel 32 is formed so that the fitting hole 321 is in communication with the through hole 311 of the heat sink 31 is in contact with the rear surface of the heat sink 31;
The stepped portion 44 is installed on the rear surface of the mounting panel 32 and an conducting lead 41 is provided to be connected to the connection lead 21 of the joint connector 2 to provide the center of the stepped portion 44. A socket connector (4) having a front end coupled with the joint connector (2); And
LED light emitting device characterized in that the LED waterproof means for waterproofing between the heat sink (31) and the mounting panel (32) to prevent moisture from penetrating the LED module (1) and the joint connector (2).
The method of claim 1,
The LED waterproof means is installed on the rear surface of the heat sink 31 and the through hole in contact with the socket connector (4) connected to the joint connector (2) for supplying power to the LED module (1) (311) Through-hole sealing member 71 formed to surround the,
It consists of a through-hole sealing member installation groove 317 formed to be recessed inward to correspond to the shape of the through-hole sealing member 71 so that the through-hole sealing member 71 is installed on the back surface of the heat sink 31. Light emitting device characterized in that.
The method of claim 2,
The through hole sealing member 71 of the heat sink 31 in communication with the LED coupling hole 18 formed in the LED module 1 to couple the LED module 1 and the heat sink 31. The light emitting device, characterized in that the coupling hole sealing member 72 is further formed to further surround the heat sink coupling hole (318) formed on the rear surface.
4. The method according to any one of claims 1 to 3,
The socket connector 4 is further provided with a plug 5 having a power supply terminal 551 connected to the lower side of the conducting lead 41 of the socket connector 41 to supply power, and the socket connector 4 And the plug 5 is further provided with a power supply waterproof means.
The method of claim 4, wherein
The power supply waterproofing means is provided on the outside of the power supply terminal 551 so as to contact the end of the power supply lead installation portion 45 is formed so as to protrude to surround the bottom outer side of the power supply lead (41) Light-emitting device characterized in that the plug sealing member (75) installed to correspond to the shape of.
6. The method of claim 5,
The power supply waterproofing means is provided with a coupling member mounting hole 57 into which the coupling member 571 is inserted such that the plug 5 is coupled to the socket connector 4, and the coupling member installation hole 57 is provided. Light emitting device is installed on the inner surface of the light emitting device further comprises a coupling sealing member (76) surrounding the outer surface of the coupling member (571).

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