JP2002170412A - Lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting fixture of high product value, which a simple structure and can add a variety of functions to a lighting cover. SOLUTION: This lighting fixture made by mounting a lighting cover 3 to a lighting fixture body 2 with a lamp 1. The lighting cover 3 is composed of a compound material made up of at least more than two layers. The more than two layers compound material is composed of a transmissive synthetic resin base layer 4 and a functional resin layer 5 with different functions from the base layer 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device having a lighting device body having a lamp and a lighting cover attached to the lighting device body, and more particularly to a structure of a lighting device of the lighting device.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 14 (a), in a lighting fixture in which a lighting cover 3 is attached to a lighting fixture main body 2 having a lamp 1, the lighting cover 3 has a light-transmitting property as a base. Extrusion molding is used to produce a large amount of resin sheets, and the functions of the lighting cover 3 can be added as shown in FIG.
As shown in FIG. 4 (b), silk printing 20 (up to a single color or two colors) or decoration is applied to the single-layer lighting cover 3 by retrofitting, and the addition of functions to the lighting cover 3 is limited. .

[0003]

DISCLOSURE OF THE INVENTION The present invention has been made in view of the above points, and enables a variety of functions to be added to a lighting cover with a simple structure, thereby providing a lighting device having a high commercial value. It is an object of the present invention to be able to provide

[0004]

According to the present invention, there is provided a lighting apparatus according to the present invention, which comprises a lighting apparatus main body 2 having a lamp 1 and a lighting cover 3 attached thereto. 3 is composed of a composite material composed of at least two or more layers. The composite material of two or more layers has a base layer 4 made of a synthetic resin having translucency and a function having a function different from that of the base layer 4. And a conductive resin layer 5. With such a configuration, various functions can be given to the illumination cover 3 by the functional resin layer 5.

It is preferable that the functional resin layer 5 is made of a light diffusing resin, a weather resistant resin, or an antistatic resin. With this configuration, various functions such as light diffusion, weather resistance, and antistatic properties can be easily provided to the illumination cover 3.

Further, the base layer 4 or the functional resin layer 5
It is preferable that a picture is printed on at least one of them. With such a configuration, it is possible to easily provide a pattern on the illumination cover 3.

It is preferable that at least a portion of the illumination cover 3 facing the lamp 1 has a higher light diffusivity than other portions. With such a configuration,
It is possible to make the image of the lamp 1 difficult to understand when looking at the lighting equipment.

It is preferable that the thickness of at least the portion of the illumination cover 3 facing the lamp 1 is thicker than the other portions. With such a configuration, the light diffusing property of the portion of the lighting cover 3 facing the lamp 1 is increased, and the image of the lamp 1 can be difficult to understand when viewing the lighting fixture.

It is preferable that the light transmittance of at least a portion of the illumination cover 3 facing the lamp 1 is lower than that of the other portions. Thus, the lighting cover 3
The low light transmittance of the portion facing the lamp 1 makes it difficult to see the image of the lamp 1 when looking at the lighting equipment.

It is preferable that a picture is printed on at least a portion of the lighting cover 3 facing the lamp 1. By adopting such a configuration, it is possible to make the image of the lamp 1 difficult to see when the lighting fixture is viewed by lowering the light transmittance by the picture. In particular, since the lamp 1 is hidden by the picture part 7, the lamp 1 is further increased. One image is difficult to understand and the appearance is improved.

It is preferable that an infrared absorbing agent is provided to the picture portion 7. By adopting such a configuration, infrared rays can be absorbed by the picture portion 7 and heat can hardly be emitted outside the lighting fixture.

Further, it is preferable to provide a smooth portion 8 and a mat portion 9 on the surface of the base layer 4 on which the functional resin layer 5 is laminated. With such a configuration, when the functional resin layer 5 is laminated by thermocompression bonding or the like, the mat portion 9 is attached to the mat portion 9 by point or line bonding, and the functionality can be easily changed as necessary. The portion attached to the mat portion 9 of the resin layer 5 can be selectively peeled off.

Further, the lighting cover 3 is provided with a mounting portion 11 for mounting to the mounting portion 10 provided on the lighting fixture main body 2 side, and at least the mounting portion of the lighting fixture main body 2 on the mounting portion 11 of the lighting cover 3. It is preferable that the portion in contact with 10 is formed of a material having low frictional resistance. That is, since the material of the lighting cover 3 and the material of the attachment portion 10 provided on the lighting fixture body 2 are different, the expansion rate when the lamp 1 expands due to heat or the like is different. In addition, the lighting cover 3 slips at the mounting portion and generates an abnormal sound. As described above, at least the portion of the lighting cover 3 that comes into contact with the mounting portion 10 of the lighting fixture body 2 at the mounted portion 11 has a frictional resistance. By using a material having a low noise, generation of abnormal sound can be suppressed.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments shown in the accompanying drawings.

As shown in FIG. 2, the lighting fixture is constructed by attaching a lighting cover 3 to a lighting fixture main body 2 provided with a lamp 1. In the embodiment shown in the accompanying drawings, a lamp mounting portion 12 is provided on the lower surface side of the lighting fixture main body 1, and the lamp 1 is mounted on the lamp mounting portion 12. In FIG. 2, reference numeral 19 denotes a reflection plate.

The lighting cover 3 is arranged and mounted on the lower surface side of the lighting fixture main body 2.
Cover the lower surface of the lighting fixture body 2 on which the lamp 1 is disposed.

Here, the lighting cover 3 is connected to the lighting fixture body 2.
For example, in the embodiment shown in FIG. 2, in the embodiment shown in FIG. 2, mounting portions 10 made of metal or the like are provided at a plurality of locations on the outer periphery of the lower surface portion of the lighting fixture main body 1, and an illumination cover having an opening on the upper side. 3 is provided at the upper opening edge of the lighting fixture 3 with the lighting cover 3 disposed on the lower surface side of the lighting fixture body 2. The mounting part 11 is attached by being detachably locked to the mounting part 10 by being rotated. Of course, the lighting cover 3 may be attached to the lighting fixture body 2 by attaching means other than the above.

In the lighting fixture having the above-described structure, the present invention is characterized by the structure of the lighting cover 3. Hereinafter, the lighting cover 3 will be described in detail.

The lighting cover 3 is made of a composite material composed of at least two layers. The composite material of two or more layers is made of a base layer 4 made of a synthetic resin having a light-transmitting property. Are composed of a functional resin layer 5 having different functions.

The base layer 4 is a layer for constituting the main body of the lighting cover 3 and is thicker than the functional resin layer 5. The base layer 4 is formed of a translucent resin, and examples of the resin used include an acrylic resin, a polyester resin, a polystyrene resin (including a polystyrene / polyethylene polymer alloy), and a polycarbonate resin. Is what you can do.

The functional resin layer 5 has a function different from that of the base layer 4 made of the light-transmitting resin, and includes, for example, light diffusion performance, design such as a pattern, antistatic property, and the like.
This layer has functions such as weather resistance. The resin used to form the functional resin layer 5 is not particularly limited, for example, an acrylic resin, a polyethylene terephthalate resin, a polypropylene resin, a polyethylene resin, an EVA resin, and a polystyrene resin. An acrylic resin having excellent weather resistance is preferable.

In order to form the illumination cover 3 by laminating the base layer 4 and the functional resin layer 5, for example, the functional resin layer 5 composed of a film is adhered to the base layer 4 composed of a sheet to form a glove shape. It is molded to form the lighting cover 3 in which the base layer 4 and the functional resin layer 5 are laminated, or the sheet-like functional resin layer 5 is simultaneously extruded with the base layer 4 and further molded into a glove shape. Then, the lighting cover 3 in which the base layer 4 and the functional resin layer 5 are laminated is formed.

When the functional resin layer 5 composed of the film is adhered to the base layer 4 composed of a sheet, for example, the functional resin layer 5 is adhered by heat fusion, adhered by an adhesive, or heat-sealed by an adhesive. And bonding together. Adhesion is improved by using heat fusion and an adhesive in combination.

The lighting cover 3 in which the base layer 4 and the functional resin layer 5 are laminated has a light source side (lamp 1).
1) is A, as shown in FIG. 1 (a), a layer structure in which a functional resin layer 5 is laminated on the side opposite to the light source A side of the base layer 4, or FIG. As shown, the functional resin layer 5 is laminated on the light source A side of the base layer 4 or, as shown in FIG. 1C, the light source A side of the base layer 4 and the side opposite to the light source A side. Functional resin layers 5 on both sides
And the like having a layer configuration in which the layers are laminated.

FIG. 3 shows an embodiment of the present invention, and shows an example of a functional resin layer 5 a having light diffusion performance as the functional resin layer 5. Examples of the resin for forming the functional resin layer 5a having light diffusion performance include light diffusion films (for example, acrylic resin, polyethylene terephthalate resin, polypropylene resin, polyethylene resin, EVA resin, polystyrene resin). A light-diffusing agent-added translucent film obtained by adding a light-diffusing agent to a resin such as a resin is used. The resin described above is used as the light-transmitting base layer 4. The functional resin layer 5a having light diffusion performance may be laminated on one or both of the surface of the base layer 4 on the light source A side and the surface on the opposite side to the light source A. As described above, the functional resin layer 5 having light diffusion performance is provided on the surface of the base layer 4.
a is laminated, it is not necessary to add a light diffusing agent to the base layer 4 and the base layer 4 can be made transparent.
Since the light diffusing agent does not need to be added to the base layer 4 as described above in securing the light diffusing property of the base layer 4, the transparent sheet constituting the base layer 4 approaches a pure material, and is used for lighting for recycling. By peeling the functional resin layer 5a from the base layer 4 constituting the main body of the cover 3, it becomes easy to recycle, and it is not necessary to add a light diffusing agent to the base layer 4 constituting the main body of the lighting cover 3. ,
Cost reduction can also be achieved.

FIG. 4 shows still another embodiment of the present invention. In the present embodiment, an example of the functional resin layer 5b having weather resistance is shown as the functional resin layer 5. As a resin for forming the functional resin layer 5b having weather resistance, an acrylic resin having excellent weather resistance or a resin to which a weathering agent is added is used. For example, a translucent acrylic resin having excellent weather resistance is used. A film or a translucent film with a weathering agent is used, but a translucent acrylic resin film with a weathering agent added may be used. The above-described resin is used as the light-transmitting base layer 4. Preferably, the base layer 4 itself is made of a light diffusing agent by using a light diffusing agent added to the base layer 4 (for example, a light diffusing agent-added sheet). To have. Although the functional resin layer 5b having weather resistance may be laminated on one or both of the surface of the base layer 4 on the light source A side and the surface on the opposite side to the light source A, FIG.
(A) When the functional resin layer 5b having weather resistance is laminated on the light source A side of the base layer 4 as shown in (b), deterioration and discoloration of the illumination cover 3 due to ultraviolet rays generated from the lamp 1 as a light source. Can be effectively prevented. In addition, as shown in FIG.
Even when the functional resin layer 5b having weather resistance is laminated on the side opposite to the side, the deterioration and discoloration of the illumination cover 3 can be prevented on the outer surface side. When the functional resin layer 5b having weather resistance is laminated on the surface of the base layer 4 in this manner, it is not necessary to add a weathering agent to the base layer 4 constituting the main body of the lighting cover 3, The cost can be reduced.

FIG. 5 shows still another embodiment of the present invention. In the present embodiment, an example of the functional resin layer 5c having antistatic properties as the functional resin layer 5 is shown. As the functional resin layer 5c having an antistatic property, for example, an antistatic film (for example, a resin such as an acrylic resin, a polyethylene terephthalate resin, a polypropylene resin, a polyethylene resin, an EVA resin, and a polystyrene resin) is charged. An antistatic agent-added light-transmitting film to which an antistatic agent has been added, particularly an acrylic resin excellent in weather resistance, to which an antistatic agent has been added is preferable.
The above-described resin is used as the light-transmitting base layer 4. Preferably, the base layer 4 itself is made of a light diffusing agent by using a light diffusing agent added to the base layer 4 (for example, a light diffusing agent-added sheet). To have. The functional resin layer 5c having antistatic properties may be laminated on one or both of the surface of the base layer 4 on the light source A side and the surface on the opposite side to the light source A.
When the functional resin layer 5c having an antistatic property is laminated on the surface of the base layer 4 as described above, the main body of the lighting cover 3 is formed even though the lighting cover 3 has the antistatic property. Since there is no need to add an antistatic agent to the base layer 4 constituting the above, the cost can be reduced.

FIG. 6 shows still another embodiment of the present invention. In the present embodiment, an example of a functional resin layer 5d having a design such as a picture is shown as the functional resin layer 5. As the functional resin layer 5d having a design such as a picture, for example, a picture printing light-transmitting film (for example, an acrylic resin, a polyethylene terephthalate resin, a polypropylene resin, a polyethylene resin, E
Those obtained by applying a pattern printing to a light-transmitting film made of a resin such as a VA-based resin or a polystyrene-based resin, particularly preferably applying a pattern printing to an acrylic resin film having excellent weather resistance) are used. As the light-transmitting base layer 4, the above-described resin is used. Preferably, a light diffusing agent is added to the base layer 4 (for example, a light diffusing agent-added sheet).
Is used so that the base layer 4 itself has light diffusion performance. Picture part 7 with gradation as above
Resin layer 5 having a design such as a picture having a pattern
d may be laminated on one or both of the surface of the base layer 4 on the light source A side and the surface on the opposite side to the light source A. In any of the embodiments, the functional resin layer 5 can be formed of a pattern-printing light-transmitting film such as a print film to impart a pattern to the illumination cover 3, so that a gradation expression or the like that cannot be performed by silk printing can be provided. Various patterns can be expressed, and the appearance quality can be improved. Here, as shown in FIG. 6, the pattern portion 7 is formed by printing the pattern printing light transmitting film on the printing surface side (that is, the pattern portion 7).
Side) is directed to the base layer 4 side, so that the pattern portion 7 (ink portion expressing the pattern) is located between the pattern printing light transmissive film and the base layer 4 and the pattern is peeled off. It can prevent weathering and discoloration (color loss).

Here, in order to form a functional resin layer 5d having a design such as a picture by printing a pattern on the light transmitting film, gravure printing, toner printing, photographic printing, color printing, etc., can be mentioned. There is no particular limitation.

In the above-described embodiment, an example is shown in which the base layer 4 itself has light diffusing performance by using a material obtained by adding a light diffusing agent to the base layer 4 (for example, a light diffusing agent added sheet). 1 shows an example in which a transparent resin sheet to which no light diffusing agent is added is used as the light-transmitting base layer 4.

Next, still another embodiment of the present invention will be described with reference to FIG. In the present embodiment, at least the lamp 1 is included in the lighting cover 3 in which a base layer 4 made of a synthetic resin having a light-transmitting property and a functional resin layer 5 having a function different from that of the base layer 4 are laminated. The light diffusivity of the portion facing the surface is higher than that of the other portions. FIG.
, The portion of the functional resin layer 5 facing the lamp 1 (the portion indicated by D in FIGS. 8A, 8C, and 8D) is light-diffused compared to other portions of the functional resin layer 5. There is a high part. Here, the functional resin layer 5 is formed of a light-transmitting or light-diffusing film (for example, a light-transmitting film such as an acrylic resin, a polyethylene terephthalate resin, a polypropylene resin, a polyethylene resin, an EVA resin, and a polystyrene resin). Or a light-diffusing agent-added light-transmitting film obtained by adding a light-diffusing agent to the above resin), but a part of this light-transmitting or light-diffusing film,
That is, the portion facing the lamp 1 is the high light diffusion portion 13 having a higher light diffusion property than the other portions. Base layer 4
A transparent sheet using a resin using the resin for forming the base layer 4 described above, or a light-transmissive agent-added sheet obtained by adding a light diffusing agent to the resin for forming the base layer 4 described above Can be used. High light diffusion unit 13
May be laminated on either or both of the surface of the base layer 4 on the light source A side and the surface on the opposite side to the light source A. As described above, by providing the high-diffusion portion 13 having a higher light-diffusing property than a part of the functional resin layer 5 to make the light-diffusing function different from that of the other part, FIGS. c),
In (d), the light diffusing property of the portion of the lighting cover 3 opposed to the lamp 1 indicated by D is enhanced, so that the image of the lamp 1 can be hardly understood when the lighting fixture is viewed, and the appearance of the lighting cover 3 at the time of lighting is improved. Is what you can do.

Next, still another embodiment of the present invention will be described with reference to FIG. In the present embodiment, the lighting cover 3 includes a light-transmitting synthetic resin base layer 4 and a functional resin layer 5 having a function different from that of the base layer 4. The thickness of at least the part of the lamp 3 facing the lamp 1 is thicker than the other parts. In FIG. 9, the lamp 1 of the functional resin layer 5
(Parts indicated by D in FIGS. 9A, 9C and 9D) are made thicker than other parts of the functional resin layer 5. Here, the functional resin layer 5 is formed of a light diffusing film (for example, an acrylic resin, a polyethylene terephthalate resin, a polypropylene resin, a polyethylene resin, an EVA resin, a polystyrene resin to which a light diffusing agent is added with a light diffusing agent). A light-transmissive film containing an agent is used, but a part of the light-transmitting or light-diffusing film, that is, a portion facing the lamp 1 becomes a thick portion 14 having a larger thickness than other portions. ing. As the base layer 4, a transparent sheet using the above-described resin can be used.
The functional resin layer 5 having light diffusion performance may be laminated on one or both of the surface of the base layer 4 on the light source A side and the surface on the opposite side to the light source A. As described above, by making a part of the portion of the functional resin layer 5 having the light diffusing property facing the lamp 1 thicker than the other portions, in FIG. 9A, FIG. 9C, and FIG. The light diffusing property of the portion of the lighting cover 3 facing the lamp 1 shown can be enhanced, so that the image of the lamp 1 can be difficult to understand when looking at the lighting fixture, and the appearance of the lighting cover 3 at the time of lighting can be improved. is there.

Next, still another embodiment of the present invention will be described with reference to FIG.
It will be described based on. In the present embodiment, the lighting cover 3 includes a light-transmitting synthetic resin base layer 4 and a functional resin layer 5 having a function different from that of the base layer 4. The light transmittance of at least the portion of the lamp 3 facing the lamp 1 is lower than that of the other portions. In FIG. 10, portions of the functional resin layer 5 facing the lamp 1 (FIGS. 10 (a), (c),
In order to lower the light transmittance of the portion indicated by D in (d), as compared with the other portions, the pattern portion 7 was formed on the functional resin layer 5 in the same manner as in the embodiment shown in FIGS. 6 and 7 described above. In the device, the picture portion 7 is arranged at least in a portion facing the lamp 1 so that the light transmittance of the portion of the illumination cover 3 facing the lamp 1 is lower than that of the other portions. As described above, the light transmittance of at least the portion of the illumination cover 3 facing the lamp 1 is made lower than that of the other portions, so that the portion indicated by D in FIGS. 10 (a), (c), and (d). Of the lamp 1 can be enhanced or slightly concealed, so that the image of the lamp 1 can be difficult to see when looking at the lighting fixture, and the appearance of the lighting cover 3 at the time of lighting can be improved. Further, when the light transmittance of at least a portion of the illumination cover 3 facing the lamp 1 is made lower than that of the other portions, the picture portion 7 is arranged at the portion facing the lamp 1 so that the light transmission by the picture is achieved. The lamp 1 image can be difficult to understand when looking at the lighting equipment with the lightness reduced. In particular, since the lamp 1 is hidden by the picture part 7, the lamp 1 image can be more difficult to understand and the appearance can be improved. is there.

FIG. 11 shows still another embodiment of the present invention, in which a picture portion 7 is arranged on a portion of the illumination cover 3 facing the lamp 1, and an infrared absorbent is applied to the picture portion 7. Has been granted. Here, as a pattern-printing light-transmitting film such as a printing film constituting the functional resin layer 5, an infrared absorber is added only to the pattern portion 7 (for example, ink for forming the pattern portion 7 may be used). An infrared absorber is added). In the present embodiment, as the base layer 4, a transparent sheet using the above-described resin for forming the base layer 4 or a light-transmitting material obtained by adding a light diffusing agent to the above-described resin for forming the base layer 4 is used. Can be used. In this way, the picture portion 7 provided on the portion of the lighting cover 3 facing the lamp 1 absorbs infrared rays and makes it difficult for heat to be emitted outside the lighting fixture, and does not give the user a feeling of being hot. It is something that can be done.

FIG. 12 shows still another embodiment of the present invention. In this embodiment, in each of the above-described embodiments, a smooth portion 8 and a mat portion 9 composed of a rough surface are provided on the surface of the base layer 4 on which the functional resin layer 5 is laminated. That is, when the functional resin layer 5 is laminated on the base layer 4 by thermocompression bonding or the like, the surface is adhered to the smooth portion 8 so that the bonding strength is high, but the mat portion 9 is attached by dot or line adhesion. And the smooth portion 8 of the film constituting the functional resin layer 5 as necessary.
It is possible to selectively peel off a part of the portion bonded by the mat portion 9 or the entire portion bonded by the mat portion 9 except for the portion bonded to the mat portion 9. For example, when a pattern portion 7 is formed on a portion of the film constituting the functional resin layer 5 that adheres to the smooth portion 8 of the base portion 4 and the portion that adheres to the mat portion 9 is a portion having no pattern, the smooth portion 8 It is possible to peel off the other excess film while leaving only the picture portion 7 adhered to the cover, thereby preventing a decrease in the light transmittance of the entire lighting cover 3.

Here, the functional resin layer 5 having the picture portion 7
For example, the functional resin layer 5 having the picture portion 7 described in each of the above embodiments can be mentioned. Further, as the light-transmitting base layer 4, as long as at least one surface on which the functional resin layer 5 is laminated has the smooth portion 8 and the mat portion 9, the above-described base layer 4 is formed. A transparent sheet using a resin or a light-transmissive agent-added sheet obtained by adding a light diffusing agent to the above-described resin can be used.

FIG. 13 shows still another embodiment of the present invention. As already described, the mounting part 10 is provided on the lighting fixture body 2, and when the lighting cover 3 is arranged on the lower surface side of the lighting fixture body 2,
An attachment portion 11 for detachably engaging and attaching to the attachment portion 10 is provided. In the present embodiment, at least the lighting fixture body 2 of the attachment portion 11 of the lighting cover 3 is provided.
Is formed of a material having low frictional resistance. Here, the functional resin layer 5 is formed of a light diffusing film (for example, an acrylic resin, a polyethylene terephthalate resin, a polypropylene resin, a polyethylene resin, an EVA resin, a polystyrene resin) in the same manner as in the above-described embodiments. A light-diffusing agent-added translucent film to which a diffusing agent is added is used. As the light-transmitting base layer 4, a transparent sheet using a resin for forming the above-described base layer 4 or a light-transmitting light-diffusing agent-added sheet obtained by adding a light-diffusing agent to the above-described resin is used. Can be used.

In the embodiment, a cover portion 11 is provided on the functional resin layer 5 portion, and a material having low frictional resistance is coated on a portion of the mount portion 11 which comes into contact with the mounting portion 10, or a material having low frictional resistance is applied. The low friction resistance portion 15 is formed by bonding a film made of a material having low resistance. The low friction resistance portion 15 is formed of, for example, a resin such as a fluorine resin, a polyethylene resin, a polypropylene resin, a polyacetal resin, and a silicon resin.

However, since the material of the lighting cover 3 and the mounting portion 10 provided on the lighting fixture body 2 are different, the lamp 1
Therefore, when the lighting cover 3 expands, the lighting cover 3 slips at the portion where the mounting portion 11 is mounted on the mounting portion 10 when the lighting cover 3 expands. In other words, the attached part 11 slips with respect to the attachment part 10), which makes it easy to generate an abnormal sound such as a rubbing sound. However, as described above, at least the lighting fixture body of the attached part 11 of the lighting cover 3 Since the portion that comes into contact with the second mounting portion 10 is formed of a material having low frictional resistance, the occurrence of abnormal noise can be suppressed.

[0040]

As described above, according to the first aspect of the present invention, in a lighting fixture configured by attaching a lighting cover to a lighting fixture body provided with a lamp, the lighting cover has at least two layers. It is composed of a composite material composed of the above,
The composite material of two or more layers is composed of a base layer made of a synthetic resin having a light-transmitting property and a functional resin layer having a function different from that of the base layer. Various functions can be given to the cover for lighting, and a lighting fixture having various functions can be easily provided.

According to the second aspect of the invention, in addition to the effect of the first aspect, the functional resin layer is made of a light diffusing resin, a weather resistant resin, or an antistatic resin. Various functions such as light diffusion, weather resistance, and antistatic properties can be easily added to the lighting cover, and the lighting cover has excellent light diffusing properties. The present invention can provide an excellent lighting device or a lighting device having a lighting cover excellent in antistatic properties with a simple configuration.

According to the third aspect of the present invention, in addition to the effects of the first or second aspect, a pattern is printed on at least one of the base layer and the functional resin layer. Therefore, it is possible to easily and easily provide various patterns on the lighting cover, and to provide a lighting device having a lighting cover with a pattern that can improve the appearance quality with a simple configuration. In addition, it is possible to adopt a layer structure in which a pattern portion printed on at least one of the base layer and the functional resin layer is covered with either the other layer of the base layer or the functional resin layer, and the pattern portion is peeled off. Can be prevented and weathering discoloration (color loss) can be prevented.

According to a fourth aspect of the present invention, in addition to the effects of the first to third aspects of the present invention, at least a portion of the lighting cover which faces the lamp has a light diffusion. Since the characteristics are higher than those of the other parts, the lamp image can be difficult to understand when looking at the lighting fixture, and the appearance quality of the lighting cover when the lamp is turned on can be improved.

According to a fifth aspect of the present invention, in addition to the effects of the first to third aspects, the thickness of at least a portion of the lighting cover facing the lamp is provided. Is thicker than the other parts, so the light-diffusing property of the part of the lighting cover facing the lamp is high, making it difficult to see the lamp image when looking at the lighting equipment. The appearance quality of the lighting cover can be improved.

According to a sixth aspect of the present invention, in addition to the effects of the first to third aspects, light transmission of at least a portion of the lighting cover facing the lamp is provided. Since the light transmittance of the portion of the lighting cover facing the lamp 1 was low, the lamp image was difficult to see when looking at the lighting fixture, and the lamp was turned on. In this case, the appearance quality of the lighting cover can be improved.

According to the seventh aspect of the present invention, in addition to the effect of the sixth aspect of the present invention, since a picture is printed on at least a portion of the lighting cover facing the lamp, the picture is printed. This makes it difficult to see the lamp image when looking at the lighting equipment by reducing the light transmittance, and can improve the appearance quality of the lighting cover when the lamp is turned on, especially when the lamp is hidden by the picture part As a result, the lamp image can be made more difficult to understand, the appearance can be further improved, and the appearance quality can be improved.

According to the invention of claim 8, in addition to the effect of the invention of claim 3 or claim 7, an infrared absorbing agent is added to the picture portion, so that the picture portion absorbs infrared rays. However, it is possible to make it difficult for heat to be emitted to the outside of the lighting fixture, and to prevent the user from feeling that the heat is emitted from the lighting fixture and is hot.

According to the ninth aspect of the present invention, in addition to the effects of the first aspect of the present invention, the surface on which the functional resin layer of the base layer is laminated is provided. Since a smooth part and a mat part are provided on the mat part, if the functional resin layer is laminated by thermocompression bonding, it will be attached by dot or line bonding at the mat part, and it will be easy to function if necessary. The portion attached to the mat portion of the conductive resin layer can be selectively peeled off, and a lighting device having a lighting cover having a different function can be easily obtained.

In the invention according to claim 10,
In addition to the effects of the invention according to any one of claims 1 to 9, in addition to the above, the lighting cover is provided with a mounting portion for mounting to the mounting portion provided on the lighting fixture main body side, and at least the mounting portion of the lighting cover is provided. Because the part of the mounting part that comes into contact with the mounting part of the lighting fixture body is made of a material with low frictional resistance, the difference in the expansion rate due to the difference in the material of the lighting cover and the mounting part provided on the lighting fixture main body is used for lighting. Provide lighting equipment that can suppress the generation of abnormal sounds even if the lighting cover slips at the mounting part when the cover expands, and do not give users discomfort or anxiety due to the generation of abnormal sounds You can do it.

[Brief description of the drawings]

FIG. 1 shows a layer structure of a lighting cover used in the present invention,
(A) (b) (c) is sectional drawing which shows a different example, respectively.

FIG. 2 is a partially broken front view of the lighting fixture of the present invention.

FIG. 3 is a cross-sectional view illustrating a layer configuration of an embodiment of a lighting cover used in the present invention.

FIGS. 4A and 4B are cross-sectional views illustrating a layer configuration of another embodiment of a lighting cover used in the present invention.

FIGS. 5A and 5B are cross-sectional views illustrating a layer configuration of still another embodiment of a lighting cover used in the present invention.

FIGS. 6A and 6B are cross-sectional views illustrating a layer configuration of still another embodiment of a lighting cover used in the present invention.

FIGS. 7A and 7B are cross-sectional views illustrating a layer configuration of still another embodiment of the illumination cover used in the present invention.

8A and 8B show still another embodiment of the present invention, wherein FIG. 8A is a sectional view of a main part of a lighting fixture, FIG. 8B is a bottom view of a lighting fixture main body, and FIG. It is a bottom view,
(D) is sectional drawing of the layer structure of the principal part of the illumination cover.

9A and 9B show still another embodiment of the present invention, wherein FIG. 9A is a sectional view of a main part of a lighting fixture, FIG. 9B is a bottom view of a lighting fixture main body, and FIG. It is a bottom view,
(D) is sectional drawing of the layer structure of the principal part of the illumination cover.

FIGS. 10A and 10B show still another embodiment of the present invention, wherein FIG. 10A is a sectional view of a main part of a lighting fixture, FIG. 10B is a bottom view of a lighting fixture main body, and FIG. It is a bottom view,
(D) is sectional drawing of the layer structure of the principal part of the illumination cover.

FIGS. 11 (a) and 11 (b) are cross-sectional views showing a layer configuration of still another embodiment of the illumination cover used in the present invention.

FIGS. 12 (a) and 12 (b) are cross-sectional views showing a layer configuration of still another embodiment of the illumination cover used in the present invention.

13A and 13B show still another embodiment of the present invention, wherein FIG. 13A is a cross-sectional view of a main part of the lighting fixture, FIG. 13B is a bottom view of the lighting fixture main body, and FIG. FIG.
(D) is sectional drawing of the layer structure of the principal part of the illumination cover.

14A and 14B show a conventional example, in which FIG. 14A is a sectional view of a lighting fixture, and FIG. 14B is a sectional view of a lighting cover.

[Explanation of symbols]

 Reference Signs List 1 lamp 2 lighting fixture body 3 lighting cover 4 base layer 5 functional resin layer 7 picture portion 8 smooth portion 9 mat portion 10 mounting portion 11 mounting portion

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Tsukasa Ogura 1048 Kadoma Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. (72) Inventor Ai Akai 1048 Kazuma Kadoma, Kadoma City, Osaka Inside Matsushita Electric Works, Ltd.

Claims (10)

[Claims] 1. A lighting device comprising a lighting device body provided with a lamp and a lighting cover attached to the lighting device body, wherein the lighting cover is made of a composite material having at least two layers.
A lighting device characterized in that the composite material of two or more layers includes a base layer made of a synthetic resin having a light-transmitting property and a functional resin layer having a function different from that of the base layer. 2. The method according to claim 1, wherein the functional resin layer is made of a light-diffusing resin, a weather-resistant resin, or an antistatic resin.
The lighting fixture as described. 3. The lighting device according to claim 1, wherein a picture is printed on at least one of the base layer and the functional resin layer. 4. The lighting apparatus according to claim 1, wherein at least a portion of the lighting cover facing the lamp has a higher light diffusion property than other portions. 5. The lighting device according to claim 1, wherein at least a portion of the lighting cover facing the lamp is thicker than other portions. 6. The luminaire according to claim 1, wherein at least a portion of the illuminating cover facing the lamp has a lower light transmittance than other portions. 7. The lighting fixture according to claim 6, wherein a picture is printed on at least a portion of the lighting cover facing the lamp. 8. The lighting fixture according to claim 3, wherein an infrared absorbing agent is provided on the picture portion. 9. The lighting device according to claim 1, wherein a smooth portion and a mat portion are provided on a surface of the base layer on which the functional resin layer is laminated. 10. A mounting portion for mounting to a mounting portion provided on the lighting fixture main body side is provided on the lighting cover, and at least a portion of the lighting cover which comes into contact with the mounting portion of the lighting fixture main body is subjected to frictional resistance. The lighting device according to any one of claims 1 to 9, wherein the lighting device is formed of a material having a low thickness.