JPH0227457Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a decorative lighting device that utilizes the delicate beauty of light emitted from the end of an optical fiber.

[Prior art and its problems]

This type of decorative lighting device converges a large number of optical fibers having a predetermined length, connects one end to a light source such as a light bulb, and simply dangles the other end in a radial manner to terminate each optical fiber. It has been known for a long time that light is emitted from the fibers, but recently, in order to further enhance the decorative effect and create a sense of luxury, a large number of optical fibers are lined up in a plane with the light emitting ends to create petals and leaves of artificial flowers. Flowers shaped to emit light from the edges of these petals and leaves are becoming mainstream.

However, in conventional decorative lighting devices in which optical fibers are arranged side by side in a planar manner to form decorative bodies such as artificial flowers, the optical fibers that form the petals and leaves of flowers are used to resemble the stems of flowers. Since the light is focused integrally and the focused end is connected to the light source as the light input end, each optical fiber that makes up the artificial flower is extended from the edge of the petal or leaf to the stem. The length required to reach the light source increases the amount of optical fiber used in the entire device, making it very expensive.

In addition, decorative bodies such as artificial flowers are designed to condense optical fibers that form the petals and leaves that emit light to form an optical fiber bundle for light guide, so this can be attached to the wall surface of the room. Since it is difficult and extremely troublesome to store the optical fiber bundle when the optical fiber bundle is installed along a vertical axis, this type of decorative lighting device has been used only as an ornament placed on a tabletop.

[Purpose of invention]

Therefore, the present invention reduces the amount of optical fiber used by making it possible to emit light from the edge of a petal made of optical fibers without forming a bundle of optical fibers for light guide that resembles a stem. In addition to significantly reducing the cost of the device compared to conventional devices, it is also possible to use decorations formed in flowers, etc., not only as ornaments, as with conventional devices, but also as wall lighting, etc., along indoor walls and ceilings. The purpose is to provide a decorative lighting device that can be easily installed.

[Structure of the idea]

In order to achieve this purpose, the decorative lighting device according to the present invention is a decorative body in which a plurality of decorative members formed into a desired shape by arranging a plurality of optical fibers side by side in a planar manner are stacked and integrated. A through hole is formed through the overlapping portion of each of the decorative members, and a light source is inserted through the through hole.

[Effect of invention]

According to the present invention, a decorative body is formed by overlapping and integrating a plurality of decorative members each having a plurality of optical fibers arranged side by side in a planar manner, and a through hole is bored through the overlapping portion of each of the decorative members. Therefore, the cut end surface of the optical fiber is exposed along the circumferential surface of the through hole in each decorative member.

Therefore, when the light source inserted through the through hole of the decorative body is turned on, the light emitted within the through hole is directly incident on the cut end surface of the optical fiber of each decorative member forming the decorative body. The light propagates through the core of each optical fiber while being reflected at the interface between the core and the cladding, and is emitted from the edge of the decorative member.

〔Example〕

Hereinafter, the present invention will be specifically explained based on embodiments shown in the drawings.

FIG. 1 is a plan view showing an example of a decorative lighting device according to the present invention, and FIG. 2 is a sectional view taken along line A-A.

In the figure, 1 is a decorative body molded to imitate an artificial flower, and has a structure in which a plurality of decorative members 2, 2, . . . forming petals are overlapped and integrated.

Each decorative member 2 is made of a commercially available optical fiber sheet in which a predetermined number of optical fibers 3, 3... made of transparent plastic are arranged side by side in a planar manner. After adhering it to the base fabric 4 (shown in Figure 2) which has a shading pattern etc., it is cut into a substantially oval shape of the same size as shown in Figure 1, and a predetermined mark is placed approximately in the center of the ellipse. It has a configuration in which a through hole 5 having a certain size is bored.

Thereby, each decorative member 2 has cut end surfaces 6a, 6a of the optical fibers 3, 3... along the edge of the ellipse.
... are exposed, and these optical fibers 3, 3...
A portion of the hole 5 is cut off at the hole 5, and cut end surfaces 6b, 6b, . . . are exposed along the inner peripheral surface of the hole 5.

Then, a plurality of decorative members 2, 2, etc. formed as described above are overlapped with each other through the through holes 5 communicating with each other and with a predetermined angle of deviation around the through holes 5, and at the overlapping portion. They are glued together and integrated to form a flower-shaped decorative body 1 having a through hole in the center.

Further, in the through hole of the decoration body 1, which is constructed by connecting the through holes 5 of the plurality of decorative members 2, 2... in this way, a light emitting diode 7 serving as a light source is placed on the side surface of the light emitting surface 8. The optical fibers 3, 3, . . . are inserted through the cut end surfaces 6b, 6b, .

The above is an example of the configuration of the decorative lighting device according to the present invention, and the operation and effects thereof will be explained next.

When the light emitting diode 7 is energized and turned on, light is emitted from its light emitting surface 8, and a portion of the light passes through the optical fibers 3, 3, . . . exposed along the through holes 5 of each decorative member 2. is incident on each cut end surface 6b of
The cut end surfaces 6a of the optical fibers 3, 3... propagate through the cores of the optical fibers 3, 3... while being reflected at the interface between the core and the cladding, and this forms the edges of the petals.
It is emitted from.

Thereby, the entire edge of the petal of the decorative body 1 formed on the artificial flower shines beautifully, producing a light decorative effect.

In particular, if the light emitting diode 7, whose emitted light color changes periodically, is used as a light source, it is possible to enjoy color changes comparable to conventional devices in which a color filter plate is rotationally driven by a motor.

In addition, since a part of the light incident on the transparent optical fibers 3, 3... is totally reflected and leaks to the outside from the surrounding surface, it is necessary to Colors, color-coded patterns, etc. appear,
A pale and beautiful color appears on the surface of each decorative member 2 serving as a petal.

Furthermore, since the light emitting diode 7 is arranged approximately at the center of the petal of the decorative body 1, the light emitted directly from the light emitting surface 8 looks like the core of a flower, thereby doubling the overall decorative effect.

As described above, the decorative lighting device according to the present invention is constructed by overlapping each decorative member 2, in which a plurality of optical fibers 3, 3, etc. are arranged side by side in a planar shape and formed into an arbitrary shape such as an ellipse. 1 is formed, and the decorative body 1 has a through hole 5 formed in each decorative member 2 communicating with each other to form a through hole passing through the overlapping portion of each decorative member 2, and a light emitting device is formed in the through hole. Just by inserting and disposing a light source such as a diode 7, it is possible to emit light from the edge of the decorative body 1 and make it shine as in the conventional device.

Therefore, there is no need to extend the optical fibers 3, 3, . It is possible to significantly reduce the amount of water used, and it can also be easily installed along an indoor wall.

In addition, although the case where the decoration body 1 was formed into an artificial flower was demonstrated in the Example, it can be formed into any motif other than a flower.

Further, it is sufficient that the optical fibers 3, 3... are arranged side by side in a planar manner, for example, at the overlapping portions of the decorative members 2, and the portions forming the edges of the decorative members 2 are spaced apart from each other and arranged in various directions. It may be suitable for

Furthermore, the light source is not limited to the light emitting diode 7, and a small miniature light bulb may be used.

[Effect of idea]

As described above, the decorative lighting device according to the present invention can directly make the light from the light source enter the optical fibers forming the decorative body without forming a bundle of optical fibers for light guide, and therefore it is different from the conventional device. In comparison, the amount of optical fiber used can be significantly reduced and the manufacturing cost can be significantly reduced, and it also has the excellent effect of being extremely easy to install along the walls of a room.

[Brief explanation of the drawing]

FIG. 1 is a plan view showing an example of a decorative lighting device according to the present invention, and FIG. 2 is a sectional view taken along line A--A. Explanation of symbols, 1... Decorative body, 2... Decorative member,
3... Optical fiber, 5... Through hole, 7... Light emitting diode (light source).

Claims (1)

[Claims for Utility Model Registration] (1) Each of the above-mentioned decorations is attached to a decorative body in which a plurality of decorative members formed into a desired shape by arranging a plurality of optical fibers side by side in a planar manner are stacked and integrated. A decorative lighting device characterized by having a through hole penetrating through an overlapping portion of the members, and a light source being inserted and disposed within the through hole. (2) In claim 1 of the utility model registration, each decorative member forming the decorative body is formed into a substantially elliptical shape, and is overlapped with each other at a predetermined angle with the through hole as the center. Decorative lighting device. (3) The decorative lighting device according to claim 1, wherein the light source is a light emitting diode or a small miniature light bulb.