JPH10321018A - Lighting system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To illuminate the decorations without installing a separate lighting system and heighten lighting effects by enabling decorations such as a flower vase and dolls, etc., to be put on this lighting system. SOLUTION: A light-emitting part 3 and an electric circuit part 12 are provided in a housing 1, and the light-emitting part 3 consists of a photoconductor 6 with a flat part, an optical irregular reflector 9 prepared near or making contact with the photoconductor 6, emission tubes 4, 5 light-incident into the photoconductor 6, and optical reflecting-shades 7, 8 which let the emission of the emission tubes 4, 5 to be effectively incident into the photoconductor 6. Then a light transmissive member 2 on the photoconductor 6 or the light- emitting part 3 is made so that article can be put on it.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device,
In particular, the present invention relates to a lighting device that is useful for illuminating vases, ornaments, and other decorations that decorate flowers, plants, and the like, and exerting a more decorative effect.

[0002]

2. Description of the Related Art In order to enhance the decorative effect of a vase on which flowers, plants, and the like are decorated, and a decorative object on which a doll or the like is placed on a table, they are illuminated. Generally, the illumination is performed from above, from the side, and from behind the decoration.

[0003]

The decoration effect can be enhanced by illuminating the decoration placed on the table. For this purpose, an incandescent lamp, a fluorescent lamp, a lighting device and the like are prepared. In addition, work such as arrangement of lighting fixtures and electric wiring is inevitably required, and preparation and work are rather complicated.

Accordingly, the present invention enables a decoration to be placed on a light-emitting part which is mounted on a light-emitting unit without having to prepare or work on fixtures such as a light bulb, a lighting fixture, a wiring tool, etc. in order to enhance the decoration effect of the decoration. It is an object of the present invention to provide a lighting device capable of illuminating a decoration by simply emitting light to enhance a decoration effect.

[0005]

According to a first aspect of the present invention, there is provided a lighting device including a housing, a light emitting unit provided in the housing, and an electric circuit unit for supplying electric energy to the light emitting unit. And a light transmissive member attached to the upper surface of the light emitting unit, wherein the light emitting unit is provided with a light guide having a flat portion and in proximity to or in contact with one surface of the light guide. The light diffuser, an at least one light emitting tube for making light incident on the light guide, and a light reflector for causing light emitted from the light emitting tube to be incident on the light guide effectively. It has a configuration in which articles can be placed on the permeable member.

[0006] Therefore, the article can be placed on the housing, and the article on the housing can be illuminated by lighting of the arc tube in the housing, so that a decorative effect can be obtained.

According to a second aspect of the present invention, there is provided a lighting device according to the first aspect, further comprising a light diffusing plate provided near or in contact with the other surface of the light guide. doing.

For this reason, the light from the light guide can be diffused by the light diffuser, and the illumination can be changed.

According to a third aspect of the present invention, there is provided a lighting device according to the first aspect, further comprising a light reflector provided near or in contact with the light diffuse reflector. .

For this reason, light leakage can be reduced. In the lighting device according to a fourth aspect of the present invention, in the lighting device according to the first aspect, the light diffuse reflector has a density on a surface on a surface side facing the light guide as the distance from the side closer to the arc tube increases. It has a configuration in which an irregularly-reflecting layer is set to be high.

Therefore, the light emitted from the flat portion of the light guide can be made uniform.

According to a fifth aspect of the present invention, there is provided the lighting device according to the first aspect, wherein the luminous tube is a position where two or more luminous tubes can enter the light guide from different directions. And the electric circuit section has a configuration capable of lighting the plurality of arc tubes simultaneously or alternately.

[0013] Therefore, the decorative effect of the article can be further exhibited. A lighting device according to a sixth aspect of the present invention is the lighting device according to the fifth aspect, wherein each of the plurality of arc tubes can emit light of a different emission color.

Therefore, each of the plurality of arc tubes can emit light of a different emission color, and the decorative effect can be enhanced.

A lighting device according to a seventh aspect of the present invention includes a housing, a light emitting unit provided in the housing,
An electric circuit unit for supplying electric energy to the light emitting unit, the light emitting unit includes a light guide having a flat portion, and light diffuse reflection provided near or in contact with one surface of the light guide. A light-reflecting umbrella for causing the light emitted from the light-emitting tube to effectively enter the light guide; Has a configuration such that an article can be placed on the surface of the.

Accordingly, the article can be placed on the housing, and the article on the housing can be illuminated by turning on the arc tube in the housing, so that a decorative effect can be obtained.

An illuminating device according to an eighth aspect of the present invention is the illuminating device according to the seventh aspect, wherein the illuminating device includes a light diffuser provided near or in contact with the other surface of the light guide. doing.

Therefore, the light from the light guide can be diffused by the light diffuser, and the illumination can be changed.

According to a ninth aspect of the present invention, there is provided the illuminating device according to the seventh aspect, wherein the illuminating device includes a light reflector provided near or in contact with the light diffuse reflector. .

Therefore, light leakage can be reduced. The lighting device according to claim 10 of the present invention is the lighting device according to claim 7.
In the lighting device according to the above, the light diffuse reflector has a configuration in which a light diffuse reflection layer is formed on the surface on the surface side opposite to the light guide so that the density increases as the distance from the side closer to the arc tube increases. I have.

Therefore, the light emitted from the flat portion of the light guide can be made uniform.

The lighting device according to claim 11 of the present invention is characterized in that:
The lighting device according to claim 7, wherein the plurality of arc tubes are arranged at positions where two or more arc tubes can enter light from different directions with respect to the light guide, and the electric circuit unit includes the plurality of arc tubes. It has a configuration that can be turned on simultaneously or alternately.

Therefore, the decorative effect of the article can be further exhibited. A lighting device according to a twelfth aspect of the present invention is the lighting device according to the eleventh aspect, wherein each of the plurality of arc tubes can emit light of a different emission color.

For this reason, the decorative effect can be enhanced. The lighting device according to claim 13 of the present invention includes a housing, a light emitting unit provided in the housing, and an electric circuit unit for supplying electric energy to the light emitting unit, wherein the light emitting unit includes: A light guide having a flat portion and a refraction portion connected thereto and having a shape in which a recess is formed between the housing and the housing when the housing is housed in the housing; A light diffuser that is provided in contact with the light guide and at least one arc tube that makes light incident on the light guide; and a flat portion of the light guide on the other surface of the light guide at the position of the recess. It was configured so that the article could be placed on it.

Therefore, the article can be placed on the other surface of the light guide on the flat portion of the light guide in the concave portion.

The lighting device according to claim 14 of the present invention comprises:
The lighting device according to claim 13, further comprising a light diffuser provided near or in contact with the other surface of the light guide.

Therefore, the light from the light guide can be diffused to the other surface side of the light guide by the light diffuser, and the illumination can be changed.

A lighting device according to a fifteenth aspect of the present invention comprises:
The lighting device according to claim 13, further comprising a light reflector provided in proximity to or in contact with the light diffuse reflector.

Thus, light leakage can be reduced. The lighting device according to claim 16 of the present invention provides the lighting device according to claim 1.
In the lighting device according to Item 3, the light diffuse reflector has a structure in which a light diffuse reflection layer is formed on a surface on a surface side facing the light guide so that the density increases as the distance from the side closer to the arc tube increases.

Therefore, the light emitted from the flat portion of the light guide can be made uniform.

A lighting device according to a seventeenth aspect of the present invention comprises:
14. The lighting device according to claim 13, wherein two or more arc tubes are arranged at positions where light can enter the light guide from different directions, and an electric circuit unit includes the plurality of arc tubes. It has a configuration that can be turned on simultaneously or alternately.

Therefore, the decoration effect of the article can be further exhibited. An illumination device according to an eighteenth aspect of the present invention is the illumination device according to the thirteenth aspect, wherein each of the plurality of arc tubes can emit light of a different emission color.

Therefore, the decorative effect can be enhanced. The lighting device according to claim 19 of the present invention includes a housing, a light emitting unit provided in the housing, and an electric circuit unit for supplying electric energy to the light emitting unit, wherein the light emitting unit includes: A light guide having a shape having a flat portion and a refraction portion connected to the light guide, a light diffuse reflector provided close to or in contact with one surface of the light guide, and light incident on the light guide At least one light emitting tube is provided so that an article can be placed on the other surface of the light guide on the flat portion of the light guide.

Therefore, the article can be placed on the other surface of the light guide on the flat portion of the light guide. Claim 20 of the present invention
The lighting device according to the present invention has a configuration in which, in the lighting device according to the nineteenth aspect, a light diffuser provided near or in contact with the other surface of the light guide is provided.

Therefore, the light from the light guide can be diffused to the other surface side of the light guide by the light diffuser, and the illumination can be changed.

A lighting device according to a twenty-first aspect of the present invention comprises:
The lighting device according to claim 19, further comprising a light reflector provided near or in contact with the light diffuse reflector.

Therefore, light leakage can be reduced. The lighting device according to claim 22 of the present invention provides the lighting device according to claim 1.
The lighting device according to Item 9, wherein the light diffuse reflector has a structure in which a light diffuse reflection layer is formed on a surface on a surface side facing the light guide so that the density increases as the distance from the side closer to the arc tube increases.

Therefore, the light emitted from the flat portion of the light guide can be made uniform.

The lighting device according to claim 23 of the present invention comprises:
20. The lighting device according to claim 19, wherein two or more arc tubes are arranged at positions where light can enter the light guide from different directions, and an electric circuit unit includes the plurality of arc tubes. It has a configuration that can be turned on simultaneously or alternately.

For this reason, the decorative effect of the article can be further exhibited. A lighting device according to a twenty-fourth aspect of the present invention is the lighting device according to the twenty-third aspect, wherein each of the plurality of arc tubes can emit light of a different emission color.

For this reason, the decorative effect can be enhanced.

[0042]

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

FIG. 1 is a perspective view of a lighting device according to an embodiment of the present invention in which a part is cut away, and FIG. 2 is a longitudinal sectional view taken along line AA of the perspective view of FIG. 1 is a housing made of, for example, a plastic resin material, 2 is a light-transmitting member made of a light-transmitting plastic resin or glass material provided on the upper surface of the housing 1, and 3 is a light-emitting portion provided in the housing 1 It is.

The housing 1 may be made of either a colored translucent plastic resin or a non-translucent plastic resin, and may be selected in consideration of decorativeness. For 2, a transparent or colored translucent plastic resin or glass plate may be used, and its outer surface may be flat or uneven.

The light emitting section 3 provided inside the housing 1 includes light emitting tubes 4 and 5, which are, for example, cold cathode fluorescent tubes, and a rectangular parallelepiped formed of plastic resin or glass material and into which light from the light emitting tubes 4 and 5 is incident from both sides. The light guide 6 having a shape, the light reflectors 7 and 8 which are close to the backs of the arc tubes 4 and 5 and are made of aluminum metal or plastic material and whose inner surface is a high light reflection layer, and close to one surface of the light guide 6 Alternatively, a sheet-like light diffuse reflector 9 to be stuck, a sheet-like light reflector 10 to be stuck close to or in contact with the lower surface of the light diffuse reflector 9, and a light guide 6 close to or above the other upper surface It comprises a sheet-like light diffuser 11 to be stuck, an electric circuit section 12 in which a lighting circuit for lighting the light emitting tubes 4 and 5 is mounted on a substrate, and a power switch 13 of the light emitting section 3.

The light diffuse reflector 9 is made of, for example, a sheet material of a plastic resin. The light incident on and guided by the light guide 6 passes through the light diffusing plate with uniform brightness on the surface facing the light guide 6. In addition, as shown in FIG. 3, a light diffuse reflection layer 14 is entirely provided on the opposing surface side of the light guide 6, and the light reflection layer 1
Numeral 4 is applied so that the density increases from the side closer to the arc tubes 4 and 5 toward the central oblique line portion.

In the lighting device having such a configuration, for example, a vase containing flowers is placed on the light transmitting member 2 and the power switch 1
When the switch 3 is turned on, the light-emitting tubes 4 and 5 are turned on, and the emitted light is incident on the light guide 6 from the side surface, and the incident light is diffusely reflected by the light diffuse reflector 9 and further not leaked by the light reflector 10. The light is guided toward the upper surface of the light guide 6, and the light diffused by the light diffuser 11 and transmitted through the light transmitting member 2 illuminates a vase (not shown) from below, so that the vase and The flower decoration effect can be enhanced.

If the luminous tubes 4 and 5 are coated with a colored or colored vinyl tube such as red or blue, a decorative effect that varies depending on the flower or doll to be decorated can be obtained. Even when the light guide 6 is used, a colored light emitting effect can be similarly obtained.

The light reflector 10 need not be used as long as the bottom surface of the housing 1 is made of a material having the function to some extent, and the use of the light diffuser 11 is not required unless luminance is required. Need not be.

Further, the thickness of the light guide 6 itself is increased,
By using a material having strength so that there is no problem even if a product is placed, a portion of the upper surface, for example, a portion where an arc tube is provided, without using the light transmitting member 2 that covers the entire upper surface of the housing 1 The vase or other decorations may be placed directly on the flat surface of the light guide 9 so as to cover only the upper surface of the light guide 9.

FIG. 4 is a perspective view of an illumination device according to a second embodiment of the present invention, which is partially cut away, and FIG. 5 is a vertical sectional view taken along line BB of FIG. Those having the figure numbers have the same functions, and description thereof will be omitted. In the figure, reference numeral 15 denotes a housing made of, for example, a plastic resin material, the upper part of which is covered with an upper lid on both sides and the other is cut away, and 16 is a light-emitting unit housed in the housing 15. The light emitting tubes 4 and 5 are made of a plastic resin or a glass material, and the light of the light emitting tubes 4 and 5 is incident from both sides so that a flat portion and a refraction portion connected to the flat portion are formed, and at least the central portion forms a concave portion. A light guide 17 having a simple illustrated shape, a sheet-like light diffuser 18 which is close to or affixed to one surface of the light guide 17, and a sheet-like light reflector which is close to or affixed to the lower surface of the light diffuser 18 Body 19,
It is composed of a sheet-like light diffuser 20 that is close to or attached to the upper surface, which is the other surface of the light guide, and the light reflectors 7 and 8 and the electric circuit unit 12 described above. In the lighting device having such a configuration, since the concave portion 21 is formed between the housing 15 and the light emitting portion 16, a vase containing a flower, for example, can be stably placed at the concave portion.

In the illuminating device according to this embodiment, similarly to the previous embodiment, a light diffuse reflection layer is formed on the light diffuse reflector 18, and the light emitting tubes 4 and 5 are turned on.
Unlike the light emission by one surface of the previous embodiment, the light from the flat portion and the refraction portion of the light guide 17 in the concave portion 21 can illuminate, for example, a vase placed in the concave portion. It is possible to have a lighting effect that is different from the form. Of course, the light emitting tubes 4 and 5 and the light guide 17
Is colored in the same manner as in the previous embodiment, the decorative effect can be further enhanced by the synergistic effect with the light from the light guide 17.

The housing has a structure in which a concave portion is formed by the bent portion, the flat portion, and the side surface of the light guide, but the side surface of the housing is notched and the light guide 17 is not provided. Even if the shape can be seen at a glance from the outside, it can be an aesthetically pleasing one.

FIG. 6 shows an electric circuit for simultaneously turning on the light emitting tubes 4 and 5 of the lighting device according to FIGS. 1 and 4. By turning on the switch 13, the DC-AC inverter circuit 22 is operated. The arc tubes 4 and 5 can be turned on with the output voltage.

FIG. 7 shows an electric circuit in which the arc tubes 4 and 5 are alternately turned on to enhance the decoration effect.
The arc tubes 4 and 5 are connected to the arc tubes 3 and 24, respectively, and the operation of the inverter circuits 23 and 24 is alternately controlled by the inverter switch control circuit 25 so that the arc tubes 4 and 5 are alternately lit.

FIG. 8 shows a third embodiment of the illuminating device, in which the light emitting tubes 26, 27, and 28 are incident on the light guide 29 from three directions, and the light-emitting tubes 26, 27, and 28 are provided on both sides of the previous embodiment. The light is further changed with respect to the incident light in two directions. As the lighting circuit, when lighting at the same time, 26 to 28 arc tubes may be connected in series to the output side of the inverter circuit 22 in place of the two arc tubes in FIG. Provides three DC-AC inverter circuits 30, 31, 32 as shown in the circuit diagram of FIG. 9, connects the arc tubes 26, 27, 28 to the respective output sides, and further switches the operation of each inverter circuit. If the inverter switch control circuit 33 is provided and the inverter circuits 30 to 32 are alternately turned on and off at appropriate time intervals, the arc tubes 26 to 28 can be turned on alternately, and a variety of lighting effects can be obtained. Can be issued.

The luminous tubes 26 to 28 emit light differently. For example, 26 luminous tubes are red, 27 luminous tubes are blue, and 28 luminous tubes are green. By alternately flashing light, a variety of different lighting effects can be obtained.

Further, if the switch control circuit of FIG. 9 is configured so that the three arc tubes can be switched to simultaneous lighting or alternate lighting, and the time interval of alternate lighting can be freely adjusted, the use range can be further improved. Can be expanded.

As described above, in this embodiment, two lamps and three
Although the description has been given of the arc tube of the lamp, arc tubes may be provided on all sides of the light guide. Although the cold cathode tube is used as the light emitting tube, other hot cathode fluorescent tubes and other incandescent lamps may be used.

[0060]

As described above, the lighting device of the present invention has the following features.
It can be used not only as a simple lighting device, but also as a table, and when a vase with flowers, a figurine or other decorations is placed on it, there is no need to prepare another lighting device. The decorative effect can be enhanced by illuminating the ornament with the illumination function that it has, and can be utilized as a very useful storage table.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view of a lighting device according to a first embodiment of the present invention.

FIG. 2 is a vertical sectional view taken along line AA of the lighting device according to FIG. 1;

FIG. 3 is a plan view of an arrangement state of an arc tube and a light diffuse reflection plate and a light repulsion launch plate of the lighting device according to FIG. 1;

FIG. 4 is a partially cutaway perspective view of a lighting device according to a second embodiment of the present invention.

FIG. 5 is a vertical sectional view taken along the line BB of the lighting device according to FIG. 4;

FIG. 6 is a lighting circuit diagram of the lighting device according to FIGS. 1 and 4;

FIG. 7 is another lighting circuit diagram of the lighting device according to FIGS. 1 and 4;

FIG. 8 is a plan view showing a lighting device according to a third embodiment of the present invention only with an arrangement of a light guide and an arc tube.

FIG. 9 is a lighting circuit diagram of the lighting device according to FIG. 8;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 housing 2 light-transmitting member 3 light-emitting portion 4, 5 light-emitting tube 6 light guide 7, 8 light-reflecting umbrella 9 light diffuse reflector 10 light reflector 11 light-diffusing body 12 electric circuit portion 13 power switch 15 housing 16 light-emitting portion 17 Light guide 18 Light diffuse reflector 19 Light reflector 20 Light diffuser 21 Concave portion 22, 23, 24 DC-AC inverter circuit 25 Inverter switch control circuit 26, 27, 28 Arc tube 29 Light guide 30, 31, 32 DC- AC inverter circuit 33 Inverter switch control circuit

Claims (24)

[Claims] 1. A housing, a light emitting unit provided in the housing, an electric circuit unit for supplying electric energy to the light emitting unit, and a light transmissive member mounted on an upper surface of the light emitting unit. The light emitting unit comprises: a light guide having a flat portion; a light diffuse reflector provided in proximity to or in contact with one surface of the light guide; and at least one light incident on the light guide. A lighting device comprising: one light emitting tube; and a light reflecting umbrella for causing light emitted from the light emitting tube to effectively enter the light guide, wherein an article can be placed on the light transmitting member. 2. The lighting device according to claim 1, further comprising a light diffusing plate provided close to or in contact with the other surface of the light guide. 3. The lighting device according to claim 1, further comprising a light reflector provided close to or in contact with the light diffuse reflector. 4. The light diffuse reflector according to claim 1, wherein the light diffuse reflector is provided with a light diffuse reflection layer whose density increases with increasing distance from a portion closer to the arc tube on a surface facing the light guide. Lighting equipment. 5. An arc tube is arranged at a position where two or more arc tubes can enter light into a light guide from different directions, and an electric circuit unit turns on the plurality of arc tubes simultaneously or alternately. The lighting device according to claim 1, wherein the lighting device has a configuration that can be performed. 6. The lighting device according to claim 5, wherein each of the plurality of arc tubes can emit light of a different emission color. 7. A housing, a light emitting portion provided in the housing, an electric circuit portion for supplying electric energy to the light emitting portion, and a light guide having a flat portion, wherein the light emitting portion has a flat portion. A light diffuse reflector provided close to or in contact with one surface of the light guide, at least one light emitting tube for entering light into the light guide, and light emission from the light emitting tube being effectively applied to the light guide. Consists of a light reflecting umbrella to make light incident on the
An illuminating device capable of placing an article on the other surface of the light guide. 8. The lighting device according to claim 7, further comprising a light diffuser provided near or in contact with the other surface of the light guide. 9. The lighting device according to claim 7, further comprising a light reflector provided close to or in contact with the light diffuse reflector. 10. The light diffuse reflector according to claim 7, wherein the light diffuse reflector is provided with a light diffuse reflection layer whose density increases with increasing distance from a portion closer to the arc tube on a surface facing the light guide. Lighting equipment. 11. An arc tube is arranged at a position where two or more arc tubes can enter light into a light guide from different directions.
The lighting device according to claim 7, wherein the electric circuit unit is configured to be capable of lighting the plurality of arc tubes simultaneously or alternately. 12. The lighting device according to claim 11, wherein each of the plurality of arc tubes can emit light of a different emission color. 13. A light-emitting device comprising: a housing; a light-emitting unit provided in the housing; and an electric circuit unit for supplying electric energy to the light-emitting unit. A light guide having a refraction portion and a recess formed between the light guide and the housing when the light guide is housed in the housing; and light diffuse reflection provided near or in contact with one surface of the light guide. And at least one arc tube for light incident on the light guide so that an article can be placed on the flat portion of the light guide on the other surface of the light guide at the position of the recess. The new lighting device. 14. The lighting device according to claim 13, further comprising a light diffuser provided near or in contact with the other surface of the light guide. 15. The lighting device according to claim 13, further comprising a light reflector provided close to or in contact with the light diffuse reflector. 16. The light diffuse reflector is provided with a light diffuse reflection layer on the surface on the side facing the light guide so that the density increases as the distance from the side closer to the arc tube increases.
The lighting device according to claim 1. 17. A light-emitting tube is arranged at a position where two or more light-emitting tubes can enter light into a light guide from different directions.
The lighting device according to claim 13, wherein the electric circuit unit is configured to be capable of lighting the plurality of arc tubes simultaneously or alternately. 18. The lighting device according to claim 17, wherein each of the plurality of arc tubes can emit light of a different emission color. 19. A light-emitting device comprising: a housing; a light-emitting portion provided in the housing; and an electric circuit portion for supplying electric energy to the light-emitting portion, wherein the light-emitting portion is connected to the flat portion. A light guide having a shape having a refraction portion, a light diffuse reflector provided close to or in contact with one surface of the light guide, and at least one light emitting tube for entering light into the light guide. An illumination device wherein an article can be placed on the other surface of the light guide on a flat portion of the light guide. 20. The lighting device according to claim 19, further comprising a light diffuser provided near or in contact with the other surface of the light guide. 21. The lighting device according to claim 19, further comprising a light reflector provided close to or in contact with the light diffuse reflector. 22. The light diffuse reflector is provided with a light diffuse reflection layer whose density increases with increasing distance from a portion closer to the arc tube on a surface facing the light guide.
The lighting device according to claim 1. 23. A plurality of arc tubes, two or more of which are arranged at positions where light can enter the light guide from different directions.
20. The lighting device according to claim 19, wherein the electric circuit unit has a configuration capable of lighting the plurality of arc tubes simultaneously or alternately. 24. The lighting device according to claim 23, wherein each of the plurality of arc tubes can emit light of a different emission color.