JP2002197901A - Led luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an LED luminaire used in a building lighting field for indirect lighting, capable of making the cross section of the luminaire small, using a small installation space, realizing the continuity of light when a plurality of luminaires are connected together. SOLUTION: This LED luminaire is composed of a cylindrical transmissive tube 3; a substrate 2 arranged inside of the tube 3; and surface mounted LEDs 1 arranged straight on one the surface of the board 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an LE used in the field of architectural lighting such as indirect lighting, or as a lighting device such as a footlight or a spotlight installed indoors and outdoors.
D lighting equipment.

[0002]

2. Description of the Related Art Conventionally, as lighting equipment used in the field of architectural lighting such as indirect lighting, there are those using incandescent lamps, fluorescent lamps, and discrete LEDs.

[0003] As shown in FIG. 20, a lighting apparatus using an incandescent lamp includes a plurality of incandescent lamps 18 arranged in a straight line.
Socket 11 for supporting and supplying power to each incandescent lamp 18
A main body 12 supporting the socket 11;
And an AC power supply 21 for supplying electric power to the incandescent lamp 18 via the AC power supply.

As shown in FIG. 21, a lighting device using a fluorescent lamp includes a fluorescent lamp 19, a socket 11 for supporting both ends of the fluorescent lamp 19 and supplying power, and a socket 11.
, A power supply 21 for supplying power to the fluorescent lamp 19, and a ballast 13 for converting the power supplied from the AC power supply 21 to high-frequency power for lighting the fluorescent lamp 19. .

[0005] As shown in FIG. 22, a lighting apparatus using discrete LEDs includes a plurality of discrete LEDs 20 arranged in a straight line, and an electronic component 17 for lighting the discrete LEDs 20.
The discrete LED 20 includes a substrate 14 on which a discrete LED 20 and an electronic component 17 are mounted on one plate surface, a main body 12 for supporting the substrate 14, and an AC power supply 21 for supplying power to the discrete LED 20.
The lead wire 15 of the ED 20 is inserted into the opposite surface of the board 14 on which the discrete LED 20 body is mounted,
They are electrically and physically connected by solder 16.

[0006]

In the above-mentioned conventional example, the lighting equipment using the incandescent lamp 18 and the fluorescent lamp 19 has a certain size of a component part or more and requires a space for heat radiation. Therefore, the sectional size of the lighting fixture increases. When light is to be distributed in a direction different from the surface of the main body 12 on which the incandescent lamp 18 and the fluorescent lamp 19 are arranged, it is necessary to install a similar lighting device in the direction in which the light is to be distributed. There is a problem that the cross-sectional size of the device is further increased.

Further, since the size of the components of the lighting apparatus using the discrete LED 20 is smaller than that of the lighting apparatus using the incandescent lamp 18 and the fluorescent lamp 19, the cross-sectional size of the lighting apparatus is reduced to some extent. Can do it. However, a space for providing the lead 15 of the discrete LED 20 and the lead 15
In order to reduce the cross-sectional size of the lighting fixture, it is necessary to provide a space for insulation required in the periphery, a space for heat radiation of the discrete LED 20, and a space for installing and radiating the electronic component 17. There was a limit. Further, if a sufficient space for heat radiation is not provided, there is a problem that the brightness of the discrete LED 20 is reduced by the influence of heat.

When it is desired to distribute light in a direction different from the surface of the main body 12 on which the discrete type LEDs 20 are arranged, it is necessary to install a similar lighting device in the direction in which the light is to be distributed. There is a problem that the cross-sectional size is further increased. Further, the electronic component 17
Is a place where the discrete LED 20 cannot be placed and no light is emitted, and there is also a problem that the continuity of light is impaired when a plurality of lighting fixtures are connected and used.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to reduce the cross-sectional size of an instrument, to be used in a small installation space, and to generate light when a plurality of instruments are connected and used. An object of the present invention is to provide an LED lighting fixture that can achieve continuity and is used in the field of architectural lighting such as indirect lighting.

[0010]

According to a first aspect of the present invention, there is provided a light-transmitting tube, and a substrate disposed inside the light-transmitting tube and having a surface-mounted LED mounted thereon.

According to a second aspect of the present invention, in the first aspect of the present invention, the light-transmitting tube is provided with fixing means for fixing the substrate.

According to a third aspect of the present invention, in the first or the second aspect of the present invention, the substrate mounts the surface-mounted LED on one plate surface and mounts components other than the surface-mounted LED on the other plate surface. Is implemented.

According to a fourth aspect of the present invention, in the first or second aspect of the present invention, the substrate has a space for mounting a surface mount LED on one plate surface and arranging wiring on the other plate surface side of the substrate. It is characterized by having been provided.

According to a fifth aspect of the present invention, in the first or second aspect, the light-transmitting tube has flexibility.

According to a sixth aspect of the present invention, in the first or second aspect, the light-transmitting tube has rigidity.

According to a seventh aspect of the present invention, in the first or second aspect of the present invention, the substrate mounts a surface mount LED on one plate surface, and the other plate surface of the substrate inside the translucent tube. A rod disposed in parallel with the light-transmitting tube on the side, wherein the outer surface of the rod is in contact with the other plate surface of the substrate and the inner surface of the light-transmitting tube. .

According to an eighth aspect of the present invention, in the first or second aspect of the present invention, the substrate mounts a surface mount LED on one plate surface, and the other plate surface of the substrate inside the translucent tube. On the side, another light-transmitting tube arranged in parallel with the light-transmitting tube, and a substrate mounted inside the another light-transmitting tube and mounted with a surface-mounted LED, And

According to a ninth aspect of the present invention, in the invention of the eighth aspect, a plurality of the other light-transmitting tubes are provided, and the substrates on which the surface-mounted LEDs are mounted are respectively disposed inside the other light-transmitting tubes. 9. The LED according to claim 8, wherein
lighting equipment.

According to a tenth aspect of the present invention, in the first or second aspect, the cross-sectional shape of the light-transmitting tube is a polygon.

[0020]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1 shows an LE of Embodiment 1 of the present invention.
FIG. 2 shows an exploded view of the D lighting fixture, and FIG. 2 shows a front sectional view and a side sectional view of the first embodiment.

FIGS. 1 (a) and 1 (b) and FIGS.
The LED lighting apparatus shown in (b) has a cylindrical light-transmitting tube 3 and a substrate 2 disposed inside the light-transmitting tube 3.
And the surface-mounted LEDs 1 arranged in a straight line on one plate surface of the substrate 2.

The substrate 2 is disposed on the inner diameter of the light-transmitting tube 3. At a point A shown in FIG. 4, the corners at both ends in the width direction of the substrate 2 come into contact with the inner surface of the light-transmitting tube 3. The substrate 2 is fixed so as not to move inside the light transmitting tube 3. Furthermore, by closing both open ends of the cylindrical light-transmitting tube 3 with lids (not shown), the substrate 2 is removed from the inside of the light-transmitting tube 3.
Can be prevented from falling out.

Here, as the translucent tube 3, a silicon tube or a heat-shrinkable tube molded from a flexible material is used. When a heat-shrinkable tube is used as the light-transmitting tube 3, when the substrate 2 is inserted into the heat-shrinkable tube, both ends in the width direction of the substrate 2 do not need to be in contact with the inner surface of the heat-shrinkable tube. After the substrate 2 is inserted into the heat-shrinkable tube, heat is applied to the heat-shrinkable tube to shrink the heat-shrinkable tube, and the substrate 2 is fixed by bringing both ends in the width direction of the substrate 2 into contact with the inner surface of the heat-shrinkable tube. be able to.

FIG. 3 shows the surface-mounted LEDs 1 arranged in a straight line on both plate surfaces of the substrate 2. Other configurations are the same as those of the LED lighting apparatus shown in FIG. Omitted.

In the first embodiment, the light-transmitting tube 3 is a silicon tube or a heat-shrinkable tube molded from a flexible material. A tube formed of polycarbonate or the like may be used.

(Embodiment 2) The basic configuration and elements of Embodiment 2 are substantially the same as those of Embodiment 1, and the same elements are denoted by the same reference numerals and description thereof will be omitted.

FIGS. 5A and 5B are front sectional views of the light-transmitting tube 3 according to the second embodiment, respectively. In FIG. Along the axial direction, two slit portions 8 are provided on the inner surface of the light-transmitting tube 3 so as to face each other, and as shown in FIG.
The board 2 is fixed by fitting both ends in the width direction to the slits 8.

In FIG. 5B, two tubes formed on the inner surface of the cylindrical light-transmitting tube 3 along the axial direction and separated by a length substantially equal to the thickness of the substrate 2. 6 are provided on the inner diameter of the light-transmitting tube 3 so as to face each other.
As shown in (b), the board 2 is fixed by fitting both ends in the width direction of the board 2 between a pair of convex portions 9.

In FIG. 6, by closing both open ends of the light-transmitting tube 3 with lids (not shown), the substrate 2 can be prevented from falling out of the light-transmitting tube 3. .

(Embodiment 3) The basic configuration and elements of Embodiment 3 are substantially the same as those of Embodiment 1, and the same elements are denoted by the same reference numerals and description thereof will be omitted.

The shape of the light-transmitting tube 3 does not need to be cylindrical as shown in the first and second embodiments, and the cross-sectional shape may be polygonal.

The cross-sectional shape of the light-transmitting tube 3 shown in FIG. 7A is triangular, and the substrate 2 is disposed on the inner bottom surface of the triangle, and the corners at both ends in the width direction are formed. Is fixed so as not to move inside the translucent tube 3 by contacting the inner surface of the tube.

The cross-sectional shape of the light-transmitting tube 3 shown in FIG. 7B is triangular, and the substrate 2 is erected from the midpoint of the base of the triangle toward the apex, and has one end in the width direction. The portion is in contact with the inner bottom surface of the triangle and the other end corner is in contact with the inner surface near the apex angle, so that the inside of the light-transmitting tube 3 is fixed so as not to move.

The cross-sectional shape of the light-transmitting tube 3 shown in FIG. 7 (c) is a square, and the substrate 2 is arranged so that its plate surface is parallel to two sides of the square, and both ends in the width direction. By the part abutting the opposing inner surface of the square,
It is fixed so as not to move inside the translucent tube 3.

The cross-sectional shape of the light-transmitting tube 3 shown in FIG. 7D is a square, and the substrate 2 is arranged on a diagonal line of the square, and the corners at both ends in the width direction are the same as those of the light-transmitting tube 3. By being in contact with the inner surface near the inner angle, it is fixed so as not to move inside the light transmitting tube 3.

The cross-sectional shape of the light-transmitting tube 3 shown in FIG. 7E is hexagonal, and the substrate 2 is disposed on a diagonal line passing through the center of the hexagon, and the corners at both ends in the width direction are transparent. The light-transmitting tube 3 is fixed so as not to move inside the light-transmitting tube 3 by being in contact with the inner surface near the inner angle.

The cross-sectional shape of the light-transmitting tube 3 shown in FIG. 7F is octagonal, and the substrate 2 is disposed on a diagonal line passing through the center of the octagon, and the corners at both ends in the width direction are transparent. The light-transmitting tube 3 is fixed so as not to move inside the light-transmitting tube 3 by being in contact with the inner surface near the inner angle.

Therefore, FIGS. 7 (d), (e), (f)
As shown in the figure, the substrate 2 has a 2n + diagonal shape (n = 1, 2, 2).
(3,...), If disposed on a diagonal line passing through the center of the light-transmitting tube 3 having a cross-sectional shape, the corners at both ends in the width direction come into contact with the inner surface near the inner angle of the light-transmitting tube 3. Thereby, it is fixed so as not to move inside the translucent tube 3.

(Embodiment 4) The basic configuration and elements of Embodiment 4 are substantially the same as those of Embodiment 1, and the same elements are denoted by the same reference numerals and description thereof will be omitted.

FIG. 8 is a front sectional view of an LED lighting apparatus according to the fourth embodiment. The LED lighting apparatus has a cylindrical light transmitting tube 3 and a substrate 2 disposed on the inner diameter of the light transmitting tube 3. And a surface-mounted LED 1 arranged in a straight line on one plate surface of the substrate 2, and an electronic component 5 for lighting the surface-mounted LED 1 mounted on the other plate surface of the substrate 2. You.

Therefore, the surface mount LED 1 and the electronic component 5
Are disposed separately on the one plate surface and the other plate surface of the substrate 2 to efficiently use the space, and the space on the other plate surface side of the substrate 2 is efficiently radiated by the electronic component 5. Since it is used as a space for the LED, it is possible to reduce the size of the LED lighting fixture, and it is possible to improve the brightness of the surface-mounted LED 1 by efficiently dissipating heat. In addition, since there is no non-light emitting portion by the electronic component 5 on one plate surface of the substrate 2, light continuity can be realized when a plurality of LED lighting devices are connected and used.

(Fifth Embodiment) The basic configuration and elements of the fifth embodiment are substantially the same as those of the first embodiment, and the same elements are denoted by the same reference numerals and description thereof is omitted.

FIG. 9 is a front sectional view of an LED lighting apparatus according to the fifth embodiment. The LED lighting apparatus has a cylindrical light transmitting tube 3 and a substrate 2 disposed on the inner diameter of the light transmitting tube 3. And a surface mount LED 1 arranged in a straight line on one plate surface of the substrate 2 and a feed wiring 6 arranged on the other plate surface side of the substrate 2.

Therefore, the surface mount LED 1 and the feed wiring 6
Are arranged separately on the one plate surface and the other plate surface of the substrate 2 to efficiently use the space, so that the size of the LED lighting fixture can be reduced.

(Sixth Embodiment) The basic structure and elements of the sixth embodiment are substantially the same as those of the first embodiment, and the same elements are denoted by the same reference numerals and description thereof will be omitted.

FIGS. 10A to 10C show L of the sixth embodiment.
1 shows a front sectional view of an ED lighting fixture.

The LED lighting apparatus shown in FIG. 10A has a cylindrical light-transmitting tube 3, a substrate 2 having a width smaller than the inner diameter of the light-transmitting tube 3, and a straight line on one of the plate surfaces of the substrate 2. And a columnar body 7a arranged in parallel with the translucent tube 3 on the other plate side of the substrate 2.

The outer curved surface of the cylindrical body 7a contacts the other plate surface of the substrate 2 and the point B on the inner surface of the light-transmitting tube 3, and
The corners at both ends in the width direction are points A on the inner surface of the translucent tube 3,
It is in contact with point A.

Therefore, the substrate 2 is made of a transparent tube 3
Are supported and fixed to the light-transmitting tube 3 at three points A, A and B on the inner surface.

The LED lighting apparatus shown in FIG. 10B has a cylindrical light-transmitting tube 3, a substrate 2 having a width smaller than the inner diameter of the light-transmitting tube 3, and a straight line on one plate surface of the substrate 2. And a triangular body 7b arranged in parallel with the translucent tube 3 on the other plate surface side of the substrate 2.

The bottom surface of the triangular body 7b is in contact with the other plate surface of the substrate 2, and the vertex with respect to the bottom surface is in contact with the point B on the inner surface of the light-transmitting tube 3. The corners at both ends in the width direction of the substrate 2 are in contact with points A and A on the inner surface of the light-transmitting tube 3.

Therefore, the substrate 2 is made of a transparent tube 3
Are supported and fixed to the light-transmitting tube 3 at three points A, A and B on the inner surface.

The LED lighting apparatus shown in FIG.
A rectangular parallelepiped 7 on the other plate side
c is arranged.

The top surface of the rectangular parallelepiped 7c is in contact with the other plate surface of the substrate 2, and the bottom surface is in contact with the inner surface points B and B of the light transmitting tube 3. The corners at both ends in the width direction of the substrate 2 are in contact with points A and A on the inner surface of the light-transmitting tube 3.

Therefore, the substrate 2 is made of a transparent tube 3
Are supported and fixed to the light-transmitting tube 3 at four points A, A, B, and B on the inner surface of the light-transmitting tube 3.

The rod arranged on the other plate surface side of the substrate 2 in parallel with the light-transmitting tube 3 is not limited to the columnar body 7a, the triangular body 7b, and the rectangular parallelepiped 7c described in the sixth embodiment. ,
Any shape may be used.

(Embodiment 7) The basic configuration and elements of the seventh embodiment are substantially the same as those of the first embodiment, and the same elements are denoted by the same reference numerals and description thereof is omitted.

The LED lighting fixture of the seventh embodiment is shown in FIG.
As shown in FIG. 10, L of the sixth embodiment shown in FIG.
The cylindrical body 7a of the ED lighting device is a cylindrical body 7d, and the surface-mounted LED 1 is provided by disposing the cylindrical body 7d.
Is transmitted to the cylindrical body 7d to thereby generate the cylindrical body 7d.
d functions as a heat sink, efficiently radiating heat, and improving the brightness of the surface-mounted LED 1.

(Eighth Embodiment) The basic configuration and elements of the eighth embodiment are substantially the same as those of the first embodiment, and the same elements are denoted by the same reference numerals and description thereof is omitted.

FIG. 12 is a front sectional view of an LED lighting apparatus according to the eighth embodiment. The LED lighting apparatus includes a cylindrical light-transmitting tube 3 and a substrate 2 having a width smaller than the inner diameter of the light-transmitting tube 3. A surface mount LED 1 arranged in a straight line on one plate surface of the substrate 2, a light transmissive tube 33 arranged in parallel with the light transmissive tube 3 on the other plate surface side of the substrate 2, A substrate 32 disposed on the inner diameter of the light-transmitting tube 33 and a surface mount L arranged in a straight line on one plate surface of the substrate 32
ED31.

The outer curved surface of the light-transmitting tube 33 contacts the other plate surface of the substrate 2 and the inner surface of the light-transmitting tube 3, and the corners at both ends in the width direction of the substrate 2 are the inner surfaces of the light-transmitting tube 3. , The substrate 2 is supported and fixed at three points on the inner surface of the light-transmitting tube 3.

The surface mounted LED 1 and the surface mounted LED 31
Light can be distributed in opposite directions with the optical axis directed in opposite directions.

Further, as shown in FIG.
Three cylindrical light-transmitting tubes 33 each having a substrate 32 arranged in a straight line on one plate surface and arranged on the inner diameter thereof are arranged on the other plate surface side of the substrate 2, and are arranged in multiple directions. And the number is not limited to two or three described in the eighth embodiment.

(Embodiment 9) The basic configuration and elements of Embodiment 9 are substantially the same as those of Embodiment 1, and the same elements are denoted by the same reference numerals and description thereof will be omitted.

FIG. 14 is a front sectional view of the LED lighting device of the ninth embodiment. The LED lighting device has a cylindrical light-transmitting tube 34 and three LED light-emitting devices arranged inside the light-transmitting tube 34. , A substrate 2 disposed on the inner diameter of each light-transmitting tube 3, and a surface-mounted LED 1 linearly arranged on one plate surface of each substrate 2. Be composed.

The outer curved surface of each translucent tube 3 abuts on the inner surface of the translucent tube 34 and the outer curved surface of the other translucent tube 3 and is fixed.

Then, light can be distributed in three directions, with the optical axis of the surface-mounted LED 1 provided on the substrate 2 disposed inside each translucent tube 3 being different for each translucent tube 3.

Further, as shown in FIG.
Four cylindrical light-transmissive tubes 3 each having an inner diameter of substrates 2 arranged linearly on one plate surface are arranged inside a light-transmissive tube 34 and arranged in four directions. Light may be emitted, and the number is not limited to three or four described in the ninth embodiment.

(Embodiment 10) The basic configuration and elements of the tenth embodiment are substantially the same as those of the first embodiment, and the same elements are denoted by the same reference numerals and description thereof is omitted.

FIGS. 16, 17, and 18 show L of the tenth embodiment.
FIG. 16 shows a side sectional view of the ED lighting device, and FIG.
AC power supply 21 for supplying power for lighting ED1
The power supply wiring is connected to the substrate 2 via the side surface of the light-transmitting tube 3.

FIG. 17 shows a configuration in which wiring for power supply from an AC power supply 21 for supplying power for lighting the surface-mounted LED 1 is connected to the substrate 2 via an end face of the light-transmitting tube 3.

FIG. 18 shows a case where power is supplied from an AC power supply 21 that supplies power for lighting the surface-mounted LED 1 while the AC power supply 21 and the substrate 2 are not in contact with each other.

(Embodiment 11) The basic structure and elements of Embodiment 11 are the same as those of Embodiments 4 and 5, and the same elements as those of Embodiments 4 and 5 are denoted by the same reference numerals. The description is omitted here.

FIG. 19A is a front sectional view of the LED lighting apparatus of the eleventh embodiment, and FIG. 19B is a side sectional view of the LED lighting apparatus. Tube 3, substrate 2 arranged on the inner diameter of translucent tube 3, surface-mounted LEDs 1 arranged linearly on one plate surface of substrate 2, and on the other plate surface of substrate 2 An electronic component 5 for turning on the surface-mounted LED 1 mounted on the substrate 2 and a feed wiring 6 arranged on the other plate side of the substrate 2.

Therefore, similarly to the fourth and fifth embodiments, it is possible to realize the miniaturization of the LED lighting apparatus and the continuity of light when a plurality of LED lighting apparatuses are connected and used.

[0077]

According to the first aspect of the present invention, there is provided a light-transmitting tube,
A surface-mounted LED disposed inside the translucent tube;
And a substrate on which the device is mounted, so that the cross-sectional size of the device is small and the device can be used in a small installation space.

According to a second aspect of the present invention, in the first aspect of the present invention, since the light-transmitting tube includes fixing means for fixing the substrate, there is an effect that the substrate can be fixed.

According to a third aspect of the present invention, in the first or the second aspect of the present invention, the substrate mounts the surface-mounted LED on one plate surface and mounts components other than the surface-mounted LED on the other plate surface. Since the surface-mounting LED and the components other than the surface-mounting LED are mounted separately on one board surface and the other board surface of the board, the space can be efficiently used, and the other board surface of the board can be efficiently used. The space on the side can be used as a space for efficiently dissipating heat from components other than the surface-mounted LED.
There is an effect that the size of the D lighting fixture can be reduced. In addition, since there is no non-light emitting portion on one plate surface of the substrate due to components other than the surface mount LED, it is possible to realize light continuity when connecting and using a plurality of LED lighting fixtures. effective.

According to a fourth aspect of the present invention, in the first or the second aspect of the present invention, the substrate has a space for mounting a surface mount LED on one plate surface and arranging wiring on the other plate surface side of the substrate. Since the LEDs are provided, the surface-mounted LED and the wiring are arranged separately on one plate surface and the other plate surface of the substrate, so that the space can be efficiently used, and the size of the LED lighting device can be reduced. There is.

According to a fifth aspect of the present invention, in the first or second aspect of the present invention, since the light-transmitting tube has flexibility, a silicon tube or a heat-shrinkable tube can be used as the light-transmitting tube. In particular, when a heat-shrinkable tube is used, the square of the substrate does not have to be first brought into contact with the inner diameter of the heat-shrinkable tube. This has the effect that the substrate can be fixed.

According to a sixth aspect of the present invention, in the first or second aspect of the invention, since the light-transmitting tube has rigidity, a molded article such as acrylic or polycarbonate can be used for the light-transmitting tube. effective.

According to a seventh aspect of the present invention, in the first or second aspect of the present invention, the substrate mounts a surface mount LED on one plate surface, and the other plate surface of the substrate inside the translucent tube. A rod disposed in parallel with the light-transmitting tube on the side, and the outer surface of the rod is in contact with the other plate surface of the substrate, and the inner surface of the light-transmitting tube. A substrate with a width shorter than the inner diameter of the tube can be fixed, and when a tube is used as a rod, the surface-mounted LED can efficiently dissipate heat and reduce the heat radiation space to reduce the size of LED lighting equipment. Can be planned, and L
Since the ED is efficiently radiated, the brightness of the LED can be improved.

According to an eighth aspect of the present invention, in the first or second aspect of the present invention, the substrate mounts a surface mount LED on one plate surface, and the other plate surface of the substrate inside the translucent tube. On the side, another light-transmitting tube disposed in parallel with the light-transmitting tube, and a substrate disposed inside the another light-transmitting tube and mounted with a surface-mounted LED, Direction light distribution, and L
There is an effect that the size of the ED lighting fixture can be reduced.

According to a ninth aspect of the present invention, in accordance with the eighth aspect of the present invention, a plurality of the other light-transmitting tubes are provided, and the substrates on which the surface-mounted LEDs are mounted are arranged inside the other light-transmitting tubes. Therefore, the same effect as the invention of claim 8 can be obtained.

According to a tenth aspect of the present invention, in the first or second aspect, since the cross-sectional shape of the light-transmitting tube is a polygon, the substrate is disposed on a diagonal line of the cross-section of the light-transmitting tube. There is an effect that it can be fixed.

[Brief description of the drawings]

FIGS. 1A and 1B are exploded views showing a configuration of a first embodiment of the present invention.

FIG. 2A is a front sectional view 1 showing a configuration of a first embodiment of the present invention. FIG. 2B is a side sectional view 1 illustrating a configuration of the first exemplary embodiment of the present invention.

FIG. 3A is a front sectional view 2 showing a configuration of the first exemplary embodiment of the present invention. FIG. 2B is a side sectional view 2 illustrating the configuration of the first exemplary embodiment of the present invention.

FIG. 4 is a front sectional view for explaining a substrate fixing method according to the first embodiment of the present invention.

FIGS. 5A and 5B are front sectional views showing the configuration of a light-transmitting tube according to a second embodiment of the present invention.

6 (a) and 6 (b) are front sectional views showing a configuration of a second embodiment of the present invention.

FIGS. 7A to 7F are front sectional views showing a configuration of a third embodiment of the present invention.

FIG. 8 is a front sectional view showing a configuration of a fourth embodiment of the present invention.

FIG. 9 is a front sectional view showing a configuration of a fifth embodiment of the present invention.

10 (a), (b), (c) Embodiment 6 of the present invention
FIG. 2 is a front sectional view showing the configuration of FIG.

FIG. 11 is a front sectional view showing a configuration of a seventh embodiment of the present invention.

FIG. 12 is a front sectional view 1 showing a configuration of an eighth embodiment of the present invention.

FIG. 13 is a front sectional view 2 showing a configuration of an eighth embodiment of the present invention.

FIG. 14 is a front sectional view 1 showing a configuration of a ninth embodiment of the present invention.

FIG. 15 is a front sectional view 2 showing a configuration of a ninth embodiment of the present invention.

FIG. 16 is a side sectional view 1 showing a configuration of a tenth embodiment of the present invention.

FIG. 17 is a side sectional view 2 showing a configuration of a tenth embodiment of the present invention.

FIG. 18 is a side sectional view 3 showing a configuration of a tenth embodiment of the present invention.

FIG. 19 (a) is a front sectional view showing the configuration of Embodiment 11 of the present invention. (B) It is a side sectional view showing the composition of Embodiment 11 of the present invention.

FIG. 20 is a configuration diagram 1 of a conventional example.

FIG. 21 is a configuration diagram 2 of a conventional example.

FIG. 22 is a configuration diagram 3 of a conventional example.

[Explanation of symbols]

 1 surface mounted LED 2 substrate 3 translucent tube

Claims (10)

[Claims] 1. An LED lighting apparatus comprising: a light-transmitting tube; and a substrate disposed inside the light-transmitting tube and having a surface-mounted LED mounted thereon. 2. The LED lighting apparatus according to claim 1, wherein the translucent tube includes fixing means for fixing the substrate. 3. The substrate according to claim 1, wherein the surface-mounted LED is mounted on one surface of the board, and components other than the surface-mounted LED are mounted on the other surface of the board. LED lighting equipment. 4. The substrate according to claim 1, wherein a surface mounting LED is mounted on one surface of the substrate, and a space for disposing wiring is provided on the other surface of the substrate. LED lighting equipment. 5. The LED lighting device according to claim 1, wherein the light-transmitting tube has flexibility. 6. The LED lighting apparatus according to claim 1, wherein the translucent tube has rigidity. 7. The substrate has a surface-mounted LED mounted on one plate surface, and is arranged inside the light-transmitting tube on the other plate surface side of the substrate in parallel with the light-transmitting tube. The LED lighting device according to claim 1, further comprising a rod, wherein an outer surface of the rod is in contact with the other plate surface of the substrate and an inner surface of the translucent tube. 8. The substrate mounts a surface mount LED on one plate surface, and is disposed inside the light-transmitting tube on the other plate surface side of the substrate in parallel with the light-transmitting tube. 3. The LED according to claim 1, further comprising: another light-transmitting tube; and a substrate disposed inside the another light-transmitting tube and mounted with a surface-mount LED. 4.
lighting equipment. 9. The method according to claim 9, further comprising a plurality of the other light-transmissive tubes,
9. The LED lighting apparatus according to claim 8, wherein a board on which the surface-mounted LED is mounted is arranged inside the another translucent tube. 10. The L according to claim 1, wherein a cross-sectional shape of the light-transmitting tube is a polygon.
ED lighting equipment.