KR20180128771A - Led lighting devices - Google Patents

Abstract

The present invention relates to an LED lighting device which adjusts an emission direction of light emitted by LEDs so that the light is inclined in any direction to the circumference while the horizontal position of a housing is maintained. The LED lighting device comprises: a housing formed longitudinally with long length to have emptiness inside, a lower opening portion in the lower part of the inside, fixing brackets on both upper sides on the top plate, a power supply device in the upper part of the top plate, and vertical tap holes on both sides and the front and back sides of the center of the top plate; a central protrusion portion formed in the center of the lower part of the top plate of the housing to protrude downwardly; an LED module substrate disposed horizontally inside the housing to be electrically connected to the power supply device and having the center of the upper surface which comes into close contact with the lower part of the central protrusion portion, both sides and the front and back sides of the center formed with assembly holes at positions corresponding to the tap holes, and the lower surface having a plurality of LEDs mounted thereon; a plurality of substrate angle change bolts penetrating each of the assembly holes formed on the LED module substrate from the bottom to the top to be joined into the tap hole and having a head portion, which comes into close contact with the lower part of the LED module substrate, in the lower part, wherein the height of the head portion is adjusted through rotation, thereby enabling the angle of the LED module substrate to be changed; and a transparent or semi-transparent cover for covering the lower opening portion of the housing.

Description

{LED LIGHTING DEVICES}

The present invention relates to an LED lighting apparatus, and more particularly, to an LED lighting apparatus capable of adjusting an irradiation direction of light emitted from LEDs in an inclined manner in any circumferential direction while a housing is maintained in a horizontal state .

Recently, as the issue of energy and eco-friendly industrial policy has been highlighted all over the world, LED (Light Emitting Diode) lighting, which has been attracting the most attention as Shin Kwangwon, is getting more popular.

Generally, LED (hereinafter referred to as "LED") illumination is widely used for LED street lamps, security lamps, and tunnels installed on the roads installed on the outside, and recent LED light has lower power consumption than fluorescent lamps and halogen lamps, And the ability to direct light, etc., are being researched and developed in various forms and structures.

On the other hand, the tunnels are provided with illuminating devices inside the tunnels at regular intervals so that the driver can secure a sufficient field of view during driving of the vehicle.

Such a tunnel lighting device has a problem in that when a driver of a vehicle enters a tunnel, the tunnel enters into a dark tunnel much darker than the outside in a state of being acclimatized to the bright luminance of the outdoor, As a result, the driver is temporarily blinded by visual disturbance, which is a major factor causing traffic accidents. Therefore, in order to protect the driver from the risk of traffic accident, Respectively.

Conventional lighting apparatuses for tunnels are constructed in such a manner that light emitted from a light source is directly irradiated to the inside of a tunnel by a reflector so that a driver can more securely obtain a field of view within the tunnel.

Typically, lighting devices for tunnels are not limited to tunnel lighting but are applied to a wide range of applications such as large warehouses, plant factories, stadiums and metal plants, and lighting that covers a wide area of construction and other places.

Accordingly, the present invention is an improvement of a conventional LED illumination device. First, as an example of a conventional LED illumination device, an "LED illumination device" (hereinafter referred to as a "conventional LED illumination device") of Korean Patent Registration No. 0934723, As follows.

The conventional LED illumination device is configured to adjust the angle of the heat radiating portion and the illuminating portion to be inclined forward or backward through the support portion and the fixing portion provided on the upper portion of the heat dissipating portion so that the light irradiation direction of the illuminating portion can be inclined forward or backward.

However, the conventional LED illumination apparatus configured as described above has a problem that the light irradiation direction of the illumination unit can be adjusted to be inclined forward or backward, but the light irradiation direction of the illumination unit can not be adjusted at all to be inclined to the left or right direction.

Further, in the conventional LED illumination device, the angle of the heat radiating part and the illumination part is adjusted to be inclined forward or backward to adjust the irradiation direction, .

In addition, in the conventional LED illumination device, the irradiation direction adjusting means for adjusting the irradiation direction of the illumination portion is constituted by a complicated configuration of the support and the fixing portion, so that the manufacturing cost of the adjustment means in the irradiation direction is increased, There were also branches.

Korean Patent Registration No. 0934723 entitled "LED Lighting Device" (Registered on December 22, 2009)

Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art,

It is an object of the present invention to provide a light emitting device capable of adjusting an irradiation direction of light emitted from LEDs in a state in which a housing is maintained in a horizontal state in a forward or rearward direction or in a leftward or rightward direction, So as to be inclined.

It is another object of the present invention to provide an LED lighting device capable of simply adjusting the irradiation direction of light through only tightening and releasing of the substrate angle changing bolts.

According to an aspect of the present invention, there is provided an LED lighting apparatus comprising: a light emitting diode (LED) A power supply device is provided on an upper part of the upper plate, a housing having vertical tapped holes formed on both sides of the center of the upper plate, A center protrusion formed to protrude downward at a lower center of the housing upper plate; A center portion of the top surface is in close contact with a lower portion of the center projecting portion, and at both sides of the central portion and in the front and rear of the center, the center portion is assembled at a position corresponding to the tapped hole, And a plurality of LEDs mounted on a bottom surface of the LED module substrate; The LED module module according to any one of claims 1 to 3, wherein the light emitting diode module substrate includes a light emitting diode module substrate, A plurality of substrate angle changing bolts to allow angle changes of the module substrate; And a transparent or semitransparent cover covering the lower opening of the housing.

Further, the substrate angle changing bolt of the " LED illumination apparatus "according to the present invention includes a head portion formed at a lower portion and rotated through a tool, and a screw shaft protruded from the upper portion of the head portion and fastened to the tap hole And an inner diameter of the assembly hole is larger than an outer diameter of the screw shaft so that an angle changing space is formed between the peripheral edge of the assembly hole and the outer periphery of the screw shaft, As shown in FIG.

Further, the lower end of the central protrusion of the "LED illumination device" according to the present invention is formed as a hemispherical surface in which the upper surface center of the LED module substrate is closely contacted.

Further, between the inner front and rear surfaces of the housing of the "LED illumination apparatus" according to the present invention, between the front and rear ends of the LED module substrate, and between both inner side surfaces of the housing and both ends of the LED module substrate, And the light irradiation space portion for obliquely irradiating the light emitted from the LEDs in the inclined state of the module substrate is further formed.

In the present invention configured as described above, it is possible to adjust the irradiation direction of the light emitted from the LEDs to be inclined forward, backward, leftward, or rightward, while keeping the housing in a horizontal state, There is an effect that the irradiation direction of the incident light can be adjusted to be inclined.

The present invention also has an effect of preventing the appearance of the housing from being deteriorated after changing the irradiation direction of light by keeping the housing in a horizontal state without tilting the housing even when the irradiation direction is changed after the installation of the illumination device.

The present invention also provides the convenience of changing the irradiation direction by simply adjusting the irradiation direction of light through tightening and releasing of the substrate angle changing bolts.

Further, the present invention also has an effect of providing an LED illumination device having market competitiveness as the production cost of the illumination device is lowered by simply constructing the irradiation direction changing means and manufacturing the changing means of the irradiation direction at low cost.

FIG. 1 shows an LED lighting device according to a first embodiment of the present invention,
1A is an exploded perspective view,
1B is a perspective view,
1C is a cross-sectional view taken along the line AA in Fig. 1B,
1D is a sectional view taken along the line BB of Fig. 1B.
2 is a sectional view taken along the line CC in Fig. 1C.
Fig. 3 shows a state in which the light irradiation direction of the LED illumination device according to the first embodiment of the present invention is changed,
3A is a front sectional view showing an inclined state of the LED module substrate,
FIG. 3B is a cross-sectional view taken along line DD of FIG. 3A.
FIG. 4 shows an LED illumination device according to a second embodiment of the present invention,
4A is a front sectional view,
4B is an enlarged perspective view of the elastic member.
FIG. 5 shows an LED illumination device according to a third embodiment of the present invention,
5A is a front section view,
5B is an enlarged perspective view of the elastic means.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood, however, that the invention can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

1 is a cross-sectional view taken along the line CC in Fig. 1C, Fig. 3 is a view showing a modification of the light irradiation direction of the LED illumination device according to the first embodiment of the present invention, Fig. FIG.

As shown in the drawing, the LED lighting apparatus according to the first embodiment of the present invention is formed to be long in the left-right direction and has an interior hollowed out and a bottom opened. Both sides of the center of the upper plate 11, A center protruding portion 2 protruding downward at a lower center of the upper plate 11 of the housing 1 and a central protruding portion 2 disposed horizontally inside the housing 1, An LED module substrate 3 whose center is in close contact with a lower end of the center protruding portion 2 and an assembly hole 32 is formed at a position corresponding to the tap holes 14, And a transparent or semitransparent cover 5 covering the lower opening of the housing 1. The cover 5 covers the bottom opening of the housing 1 and is fixed to the tapped hole 14 of the housing 1.

The housing 1 includes a circumferential plate 12 covering the front, rear and both sides and the upper plate 11 is provided on the circumferential plate 12. On both sides of the upper portion of the upper plate 11 of the housing 1, a fixing bracket B may be provided to fix the housing 1 to a ceiling or an upper structure. It is preferable that a power supply unit 13 for supplying power to the LED module substrate 3 is provided on the top plate 11 of the housing 1.

In the interior and rear of the housing 1 between the inner front and rear surfaces of the housing 1 and the front and rear ends of the LED module substrate 3, It is preferable that the light irradiation space portion 15 is further formed so as to be able to irradiate the light emitted from the light emitting portions 31 obliquely forward or backward.

The LED module substrate 3 is disposed on both sides of the inside of the housing 1 between both inner side surfaces of the housing 1 and both side ends of the LED module substrate 3, It is preferable that the light irradiation space portion 15 is formed so as to be spaced apart from the light irradiation space 15 so as to be able to irradiate light to the left or right.

In addition, since various kinds of power supply devices 13 for supplying power to the LED module substrate 3 are already known, a detailed description thereof will be omitted.

1 and 3, the center protruding portion 2 is formed so as to protrude downward at the lower center of the upper plate 11 of the housing 1 and has a lower end protruding downward from the module substrate 3 So that the LED module substrate 3 serves as a tilting center of the LED module substrate 3 in the process of changing the inclined angle of the LED module substrate 3. [

The lower end of the central protruding portion 2 having such a function serves as a hemispherical surface 22 (see FIG. 1) which is in close contact with the center of the upper surface of the LED module substrate 3 in point contact so that the angle of the LED module substrate 3 can be smoothly changed. ).

The center protruding portion 2 is connected to the inside of the housing 1 so that the electric wire 131 drawn out from the power supply device 13 mounted on the upper portion of the housing 1 can be connected to the inside of the housing 1 without being exposed to the outside. It is preferable that it is formed in the shape of a tube which is empty, the bottom is closed and the top is opened, and at least one electric wire through hole 21 is formed around the electric wire.

The power supply unit 13 is preferably mounted on the upper portion of the central protrusion 2 at the center of the upper plate 11 and at least one electric wire 131 drawn out from the power supply unit 13 is electrically connected to the center protrusion 2. [ And is preferably connected to the LED module substrate 3 through the inside of the LED module 2 and the wire through hole 21.

1 to 3, the LED module substrate 3 is horizontally disposed inside the housing 1 and is electrically connected to the power supply device 13 to irradiate light .

The center of the upper surface of the LED module substrate 3, which is horizontally arranged, is in close contact with the lower portion of the central protrusion 2, and the lower surface of the LED module substrate 3 receives electricity from the power supply device 13 A plurality of LEDs 31 for emitting light are mounted. That is, the LED module substrate 3 includes a substrate on which electricity can not pass, and a plurality of LEDs 31 provided on the lower portion of the substrate and connected to the electric wires 131 through a plurality of connection lines (connection patterns).

The LED module substrate 3 according to the present invention includes a plurality of assembly holes (not shown) through which the substrate angle changing bolts 4 are passed at positions corresponding to the tap holes 14 at the front and rear sides of the central and both sides 32 are formed. It is preferable that the assembly hole 32 is formed at a position where there is no connection line at a position where electricity is not conducted in the LED module substrate 3 so that electricity is not transmitted to the board angle changing bolts 4.

1 to 3, the substrate angle changing bolts 4 penetrate the respective assembly holes 32 formed in the LED module substrate 3 from the bottom to the top, And a head 41 attached to a lower portion of the substrate of the LED 31 is formed at a lower portion of the LED module substrate 3. The angle of the LED module substrate 3 is changed by adjusting the height of the head 41 through rotation. It is possible to make it possible.

Each of the substrate angle changing bolts 4 has a head 41 formed at the lower portion and rotated through a tool and a head portion 41 protruding from the upper portion of the head portion 41, And a screw shaft (42) which is fastened to the screw shaft (42). That is, it is preferable that a tool insertion groove for inserting a tool such as a screwdriver or an elbow wrench is formed in the lower portion of the head portion 41.

The inner diameter of the assembly hole 32 is adjusted by the screw shaft 42 so that the angle of the LED module substrate 3 can be easily adjusted by adjusting the height of the head 41 of the board angle changing bolts 4. [ So that the angle changing space 33 is formed between the peripheral edge of the assembly hole 32 and the outer periphery of the screw shaft 42. The outer diameter of the head portion 41 It is preferable to form the head portion 41 larger than the inner diameter of the assembly hole 32 so that the head portion 41 is brought into close contact with the lower portion of the LED module substrate 3. [

It is most preferable that the head portion 41 is formed of a narrow dish portion 41 and a narrow bottom portion so that a part of the upper portion of the head portion 41 can be inserted into the assembly hole 32.

Therefore, the present invention can simply adjust the irradiation direction of the light emitted from the LED 31 through only tightening and unwinding of the plurality of substrate angle changing bolts 4, and a detailed description thereof will be described later.

As shown in FIG. 1, the cover 5 covers the lower opening of the housing 1 and transmits light emitted from the LED module substrate 3.

Therefore, the cover 5 having such a role is preferably composed of a transparent or semitransparent rectangular plate that transmits light.

The cover 5 may be detachably coupled to a lower portion of the housing 1 through a fastening element such as a bolt or the like and may be detachably coupled to the housing 1 by a sliding fit method. As shown in FIG.

Hereinafter, the state of use of the LED illumination device according to the first embodiment of the present invention will be described.

As shown in FIGS. 1 to 3, first, when changing the direction of light emitted from the LEDs 31 in the process of installing the LED lighting apparatus according to the present invention, The housing 1 is installed horizontally by fixing the fixing bracket B provided on both sides of the upper portion of the housing 1 to a structure provided at a position close to the ceiling or the ceiling in a state that the cover 5 is not provided on the housing 1 .

Next, the substrate angle changing bolts 4 penetrating the assembly holes 32 formed on both sides of the center of the LED module substrate 3 and on the front and rear sides thereof and fastened to the tapped holes 14 of the housing 1, The height of the head 41 of the at least one pair of the board angle changing bolts 4 facing each other is adjusted by loosening or tightening the bolts 4 of the pair of the board modules 3, Thereby changing the irradiation direction of the light emitted from the LEDs 31 by changing the angle.

More specifically, for example, in the case where the light irradiation direction is adjusted to be inclined downward to the left, in a state in which the LED module substrate 3 is kept horizontal, as shown in FIG. 3, The board angle changing bolt 4 located on the right side in the center of the LED module substrate 3 is lowered to the desired position by releasing the board angle changing bolt 4 located on the right side in the center of the LED module substrate 3, The head unit 41 is lifted to a desired position and the upper center of the LED module substrate 3 is brought into close contact with the lower end of the center projecting portion 2 so as to lower the angle of the LED module substrate 3 from left to right You can change it.

When the LED module substrate 3 is inclined downward from the left side to the right side as described above, the substrate angle changing bolt 4 positioned at the left side is finally tightened, so that the hemispherical surface of the lower end portion of the center projecting portion 2 The head portion 41 of the substrate angle changing bolt 4 located on the right side is pressed against the center of the upper surface of the LED module substrate 3 The head portion 41 of the board angle changing bolt 4 which is in close contact with the lower surface of the LED module substrate 3 and is located on the left side and is finally tightened is brought into close contact with the lower left surface of the LED module substrate 3, 3, the upper surface of the left side of the LED module substrate 3 is pressed upward, whereby the tilted state of the LED module substrate 3 can be firmly maintained.

That is, when the LED module substrate 3 is inclined downward from the left side to the right side, the left upper surface of the LED module substrate 3 is higher than the bottom end surface of the hemisphere 22 of the center projecting portion 2 The LED module substrate 3 can not be returned to the horizontal state when the LED module substrate 3 is inclined downward from the left side to the right side.

3, in the case where the irradiation direction of the light is adjusted to be inclined downward in the backward direction, as shown in FIG. 3, in a state where the LED module substrate 3 is kept horizontal The head portion 41 is lowered to a desired position by unlocking the board angle changing bolts 4 positioned at the front of the LED module substrate 3 at the center and on the contrary, The head portion 41 is raised to a desired position by tightening the angle changing bolt 4 and the upper surface center of the LED module substrate 3 is brought into close contact with the lower end portion of the central projecting portion 2, So that the angle can be changed downward.

3, a pair of substrate angle changing bolts 4 opposed to the left and right sides of the LED module substrate 3, and a pair of front and rear substrate angle changing bolts 4, All the heights of the head portions 41 of the pair of board angle changing bolts 4 are adjusted so that all the heights of the head portions 41 of the four board angle changing bolts 4 are adjusted, The irradiation direction of the incident light may be adjusted to be inclined.

The cover 5 is then covered with the lower opening of the housing 1 which keeps horizontal after changing the light irradiation direction as described above so that the illumination direction of the light emitted from the LEDs 31 is changed, Is completed.

Therefore, the present invention can adjust the irradiation direction of the light emitted from the LEDs 31 in the left or right direction, or in the leftward direction or the rightward direction by adjusting only the inclination angle of the LED module substrate 3 in a state in which the housing 1 is kept in a horizontal state It is advantageous in that it can be adjusted to be inclined forward or backward, and it is a useful invention that the light irradiation direction can be adjusted to be inclined in any circumferential direction.

Further, according to the present invention, even when the illumination direction after the installation of the illumination apparatus is changed, the housing 1 can be maintained in a horizontal state without being inclined, thereby preventing deterioration in appearance of the housing 1 after the illumination direction is changed It is a useful invention.

4 is a view illustrating an LED illumination device according to a second embodiment of the present invention.

As shown in FIG. 4, it is assumed that the LED illumination device of the second embodiment according to the present invention includes all the configurations of the LED illumination device of the above-described first embodiment.

Therefore, in the LED lighting device according to the second embodiment of the present invention, an elastic member 6 made of a rubber material is further attached between the center of the upper surface of the LED module substrate 3 and the central protruding portion 2 do.

A hemispherical groove 61 is formed on the upper surface of the elastic member 6 to prevent the left and right flow of the LED module substrate 3 from being transmitted to the hemispherical surface 22 formed at the lower end of the center protrusion 2, Is formed.

The present invention is further characterized in that a hemispherical groove 61 is formed on the upper surface of the elastic member 6 so that a hemispherical surface 22 formed at a lower end of the central protrusion 2 is inserted in close contact therewith, It is possible to prevent the LED module substrate 3 from flowing finely even if an external impact such as wind is applied to the lighting apparatus while maintaining the horizontal state or the inclined state.

5 is a view illustrating an LED illumination device according to a third embodiment of the present invention.

As shown in Fig. 5, it is assumed that the LED illumination device of the third embodiment according to the present invention includes all the configurations of the LED illumination device of the first embodiment described above.

Accordingly, in the LED illumination device according to the third embodiment of the present invention, the upper portion elastically presses the lower surface of the upper plate of the housing 1 at the outer periphery of at least one of the substrate angle changing bolts 4 positioned on the left and right sides, And elastic means 7 for elastically pressing the upper surface of the LED module substrate 3 to prevent micro-flow in the left-right direction and the back-and-forth direction of the LED module substrate 3 is further mounted.

The elastic means 7 includes an upper horizontal plate 71 penetrating through the substrate angle changing bolt 4 and closely contacting the lower surface of the upper plate 11 of the housing 1 so as to have a sufficient elastic force, A lower horizontal board 72 mounted through the board angle changing bolts 4 and brought into close contact with the upper surface of the LED module board 3 and one end of the upper and lower horizontal boards 71 and 72 And a semi-arcuate resilient plate 73 that elastically presses the upper horizontal plate 71 upward and elastically presses the lower horizontal plate 72 downward.

Therefore, in the present invention, the upper portion elastically presses the lower surface of the upper plate 11 of the housing 1 at least one of the substrate-angle changing bolts 4 located on the right and left sides, and the lower portion elastically presses the lower surface of the LED module substrate 3 The external impact such as wind is applied to the illumination device in a state in which the LED module substrate 3 is maintained in a horizontal state or a tilted state by the elastic means 7 elastically pressing the upper surface of the LED module substrate 3 There is an effect that it is possible to prevent the LED module substrate 3 from flowing finely.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is clear that the present invention can be suitably modified and applied in the same manner. Therefore, the above description does not limit the scope of the invention defined by the limitations of the following claims.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the present invention.

1: Housing
11: upper plate, 12: peripheral plate
13: power supply, 14: tap hole
15: light irradiation space portion
2: central protrusion
21: wire through hole, 22: hemispherical surface
3: LED module substrate
31: LED, 32: Assembly hole
33: angle changing space
4: Change the substrate angle bolt
41: head, 42: screw shaft
5: cover
6: Elastic member
61: Hemispherical groove
7: Elastic means
71: upper horizontal plate, 72: lower horizontal plate
73: Semicircular arc-shaped plate

Claims (9)

A fixing bracket B is provided on both sides of an upper portion of the upper plate 11 and a power supply device 13 A housing 1 in which a vertical tapped hole 14 is formed on both sides of the center of the upper plate 11 and in front and rear of the center;
A central protrusion 2 protruding downward from the lower center of the upper plate 11 of the housing 1;
The power supply device (13) is horizontally disposed inside the housing (1) and is electrically connected to the power supply device (13). The center of the upper surface is in close contact with the lower portion of the central projecting portion (2) An LED module substrate 3 on which an assembly hole 32 is formed at a position corresponding to the tapped hole 14 and a plurality of LEDs 31 are mounted on a bottom surface thereof;
The LED module module according to the present invention includes a plurality of LED module substrates 3 each having a mounting hole 32 formed therein, A plurality of substrate angle changing bolts 4 for changing the angle of the LED module substrate 3 through adjustment of the height of the head 41 through rotation;
A transparent or semitransparent cover 5 covering the lower opening of the housing 1;
And a light emitting diode (LED).
The method according to claim 1,
The board angle changing bolt 4 includes a head portion 41 formed at the lower portion and rotated through a tool and a screw shaft 42 protruding from the upper portion of the head portion 41 and fastened to the tapped hole 14, , ≪ / RTI >
The inner diameter of the assembly hole 32 is formed to be larger than the outer diameter of the screw shaft 42 so that an angle changing space 33 is formed between the peripheral edge of the assembly hole 32 and the outer periphery of the screw shaft 42 ,
Wherein an outer diameter of the head part (41) is larger than an inner diameter of the assembly hole (32), and the head part (41) is closely attached to the lower part of the LED module substrate (3).
3. The method of claim 2,
The head portion (41)
And the lower portion is formed as a narrow dish head portion.
4. The method according to any one of claims 1 to 3,
The lower end of the central protrusion (2)
And a hemispherical surface (22) in which an upper surface center of the LED module substrate (3) is closely contacted.
5. The method of claim 4,
The central projecting portion 2 is formed in a tubular shape in which an inner portion is hollow, a lower portion is closed, and an upper portion is opened. At least one wire through hole 21 is formed around the central projecting portion 2,
The power supply unit 13 is mounted on the upper portion of the central protrusion 2 which is the upper center of the upper plate 11,
Wherein at least one electric wire 131 drawn out from the power supply unit 13 is connected to the LED module substrate 3 through the inside of the central projecting portion 2 and the electric wire through hole 21. [ Lighting device.
5. The method of claim 4,
Between the center of the upper surface of the substrate of the LED 31 and the center projecting portion 2, an elastic member 6 made of a rubber material is further attached,
Wherein a hemispherical groove (61) is formed on an upper surface of the elastic member (6), in which a hemispherical surface (22) formed at a lower end of the central protrusion (2) is inserted into close contact therewith.
5. The method of claim 4,
At least one of the substrate angle changing bolts (4) positioned on both the left and right sides
The upper portion elastically presses the lower surface of the upper plate 11 of the housing 1 and the lower portion elastically presses the upper surface of the LED module substrate 3 to thereby cause the fine movement of the LED module substrate 3 in the left- Characterized in that an elastic means (7) for preventing the light from entering the lamp is further mounted.
8. The method of claim 7,
The elastic means (7)
An upper horizontal plate 71 inserted through the substrate angle changing bolt 4 and brought into close contact with the lower surface of the upper plate 11 of the housing 1,
A lower horizontal plate 72 inserted through the substrate angle changing bolt 4 and brought into close contact with the upper surface of the LED module substrate 3,
A semi-arcuate shape which elastically presses the upper horizontal plate 71 upward and elastically presses the lower horizontal plate 72 by integrally connecting one ends of the upper and lower horizontal plates 71 and 72, The elastic plate 73,
And a light emitting diode (LED).
4. The method according to any one of claims 1 to 3,
Between the inner front and rear surfaces of the housing 1 and the front and rear ends of the LED module substrate 3 and between both inner side surfaces of the housing 1 and both ends of the LED module substrate 3
And a light irradiation space part (15) for irradiating the light emitted from the LEDs (31) in an inclined state is formed apart from the LED module substrate (3).

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