JPH0348602B2 - - Google Patents

Description

Detailed Description of the Invention [Industrial Application Field] The present invention is a lighting device using optical fiber elements, and in particular, a transparent or semi-transparent tubular decoration is provided in the lighting part of each optical fiber element. This is a lighting device with a novel lighting section structure formed by inserting members in the axial direction and combining them.

[Prior art and its problems] A lighting device using a conventional optical fiber element is
A large number of optical fiber elements are bundled with one end facing a light source, the light received at the light receiving end is guided in the axial direction, and the other end is dispersed in a desired pattern to serve as a light emitting end. is constructed as a decorative part. The illumination parts in conventional illumination devices are: () The light emitting end of an optical fiber element is simply separated and cut at a desired length position, and () The illumination part is arranged parallel to the surface of a sheet-like member forming a shaped object. There are those that are glued together, and those that are inserted into insertion holes previously provided in decorative panels and the like and fixed with adhesive.

The structure of the lighting section in this conventional lighting device is as follows:
Although they have been developed in the range mentioned above, they are merely designed and manufactured using the pattern at the light emitting end as the main part of the decoration, and the changeability of the decoration is poor. It was hot.

Furthermore, conventional lighting devices are provided as small devices for interior decoration, and have a structure that can be applied as a large-scale decorative lighting device indoors or outdoors, such as a chandelier style. It wasn't a thing.

[Object of the Invention] Therefore, the present invention aims at expanding the illumination part in a illumination device using an optical fiber element,
An object of the present invention is to provide a lighting device with rich decorative variation.

[Structure of the Invention] In order to achieve the above-mentioned object, the present invention specifically focuses one end of each of a large number of optical fiber elements to serve as a light receiving end that receives light from one light source. In a lighting device using an optical fiber, the light received at the light receiving end is guided in the axial direction of the optical fiber element, and the other end of the optical fiber element is assembled as a light emitting end. an optical fiber element; the plurality of optical fiber elements are arranged at intervals in the radial direction according to a desired arrangement pattern and fixed in the axial direction, the plurality of optical fiber elements each having one end side extending to one side;
an array support substrate that extends and supports the other ends of the plurality of optical fiber elements to the other side; and one end of each of the plurality of optical fiber elements on one side of the array support substrate. a light source means adapted to introduce light that changes over time on one side, and a decorative portion is formed for each of the optical fiber elements extending to the other side of the array support substrate;
The light decoration part is a transparent or semi-transparent tubular light-transmitting decorative member attached to cover the outer periphery of each of the optical fiber elements over a desired length range from the array support substrate of each of the optical fiber elements. , a light emitting member for light diffusion provided on the light emitting end face of each of the optical fiber elements, and installed between the light transmitting decorative member and the light emitting member so as to cover the outer periphery of the optical fiber element; and an opaque tubular reflective decorative member, wherein light leakage portions are provided at predetermined intervals in the axial direction at a portion of the optical fiber element corresponding to the attachment portion of the transparent decorative member; This is a lighting device in which an illumination light source is provided on the other side of a support substrate.

[Embodiments of the present invention] Hereinafter, a lighting device according to the present invention will be described in detail based on specific embodiments shown in the drawings.

FIG. 1 shows the basic configuration of a lighting device according to the present invention. As shown in this figure, the lighting device 1
is a light source means 3 installed on one end side 2a of a large number of optical fiber elements 2, and a light source means 3 installed on the other end side 2a.
It is constituted by the decorative part 4 formed at b. The plurality of optical fiber elements 2 have one end side 2a thereof.
The light is focused at the light receiving end 5 to form a focused light receiving end 5. The light source means 3 consists of a light source body 6 and a filter 7, such as a rotary filter, which changes the color of the light from the light source body 6, which are arranged in a shielding casing 8. The converging light receiving end 5 of the optical fiber element 2 is inserted into a mounting portion 9 provided on the shielding casing 8 of the light source means 3, and is connected to the light source body 6 of the light source means 3 by the filter 7.
They are combined so that they face each other through. The light from the light source body 6 in the light source means 3 is guided in the axial direction of each optical fiber element 2 via the converging light receiving end 5 of the optical fiber element 2, and is emitted at the light emitting end 10 of each optical fiber element 2. It is starting to emit light.

On the other hand, in the present invention, a tubular transparent decorative member 11 is provided over a desired length range along the axial direction of the optical fiber element 2 toward the light emitting end side 2b of each optical fiber element 2. It is attached. The tubular transparent decorative member 11 is made of transparent or translucent glass, acrylic, or other plastic material. The inner diameter of the tubular transparent decorative member 11 is larger than the outer diameter of the optical fiber element 2. Further, the length of the tubular light-transmitting decorative member 11 is determined as appropriate depending on a desired decorative pattern. Basically, the tubular transparent decorative member 11 is fixed concentrically to the optical fiber element 2 via an upper fixing member 12 and a lower fixing member 13, as shown in FIG. It's summery. The upper fixing member 12 and the lower fixing member 13 are made of plastic, or the upper fixing member 12 is made of rubber. The upper fixing member 12 and the lower fixing member 13 have the optical fiber element 2 centered in the radial direction.
outer diameter portions 16 and 17 that engage with the inner diameter of the tubular transparent decorative member 11;
It is equipped with In the example shown in FIG. 1, the upper fixing member 12 is supported by an arrangement support substrate 18 for arranging the decorative parts 4 in the lighting device 1 in a desired pattern. That is, the array support substrate 18 is provided with an array hole 19 that can receive the outer diameter portion 16 of the upper fixing member 12 .
On the other hand, the lower fixing member 13 is formed to fixedly support the light emitting end 2b of the optical fiber element 2 and to attach the light diffusing member 20 to the light emitting end 10 of the optical fiber element 2. ing. The light diffusing member 20 is made of a transparent or translucent plastic material, and has a light diffusing portion 21 at one end and a threaded portion 22 at the other end, and is connected to the end portion 13a of the lower fixing member 13.
It is adapted to be attached by screwing into a screw hole 23 provided in the.

In this invention, on the light emitting end side 2b of the optical fiber element 2, a light leakage part 24 is formed in accordance with a desired pattern, corresponding to the decorative part 4 formed by the tubular transparent decorative member 11. The light leakage part 2
4 is formed by a method in which the outer skin layer of the optical fiber element 2 is partially deleted or an inner layer of the optical fiber element 2 is partially damaged. Furthermore, in the present invention, as a more effective means of decorating the decorative part 4, for example, an illumination light source 25 which irradiates the decorative part 4 with light from the outside can be separately provided.

Next, a description will be given based on a specific example shown in FIG. In this specific example, the decorative portion 4 includes a tubular transparent decorative member 11 and an opaque tubular reflective decorative member 26 made of a metal material. The tubular reflective decorative member 26 functions as a reflective decorative body with metallic luster according to a desired pattern, and also functions as a weight for each of the optical fiber elements 2. The tubular reflective decorative member 26 has an appropriate weight and is selected from metal materials with excellent gloss. The tubular reflective decorative member 26 has a length according to a desired preset decorative pattern, and is provided with a through hole 27 suitable for inserting the optical fiber element 2 in the axial direction. The tubular reflective decorative member 26 has a tubular transparent decorative member 11 on the upper end side.
The light diffusing member 20 is provided with a connecting portion 28 for receiving and connecting and fixing the lower end portion 11a of the light diffusing member 20, and a mounting screw hole 29 for attaching the light diffusing member 20 to the lower end side.

Next, embodiments of the decorative pattern according to the present invention will be explained based on FIGS. 3 and 4. In this invention, the decorative pattern includes the shape of the array support substrate 18, the configuration of the array holes 19, the diameter and length of the tubular transparent decorative member 11, the diameter and length of the tubular reflective decorative member 26, and the diameter and length of the tubular reflective decorative member 26. It is designed as appropriate based on a combination of the diameter ratio and length ratio, the form of the light diffusing member 20 and the light leaking part 24, the type of external illumination, etc. Examples of combinations of lengths and shapes of the arrangement holes 19 and the tubular transparent decorative member 11 in the arrangement support substrate 18 are shown in FIGS. 3 and 4. As shown in these figures, the array support substrate 18 is a square plate with regular array holes 19 according to a predetermined illumination pattern, or a rectangular plate with regular array holes 19 arranged in accordance with a predetermined illumination pattern. It is made up of a predetermined array of holes 19, which are arranged in parallel and assembled into a predetermined decorative pattern. On the other hand, the decorative part 4 is
The lengths of the tubular transparent decorative member 11 and the tubular reflective decorative member 26 are selectively set as appropriate, and a desired decorative pattern is realized by the combination thereof.

[Effects of the Invention] The illumination device of the present invention having the above structure is constructed by combining an optical fiber element with a tubular transparent decoration member 11 of a desired length in its illumination portion 4. In addition, in addition to the combination of a tubular reflective decorative member, a light diffusing member, an external light source, etc., by selectively combining each of these components, an energy-saving device is constructed, and the lighting is highly variable. It can also be provided as a decorative device.

In particular, in this invention, the tubular light-transmitting decorative member 11 of a desired length is disposed concentrically around the optical fiber element 2, and the tubular reflective decorative member 2
By combining the elements 6 to 6, each constituent part embodies a different illumination effect, and it functions extremely effectively as an unprecedented illumination device, for example, as a chandelier style interior decoration illumination.

[Brief explanation of drawings]

FIG. 1 is a schematic side sectional view showing an example of the basic configuration of a lighting device according to the present invention, FIG. 2 is a schematic side sectional view showing a different specific embodiment, and FIGS. The figures are a plan view of an array support substrate and a side sectional view of a decorative part showing different examples of decorative patterns. 1... Lighting device, 2... Optical fiber element, 3
...Light source means, 4...Light decoration part, 5...Focused light receiving end, 6...Light source body, 10...Light emission end, 11...
Tubular transparent decorative member, 12... Upper fixing member, 1
3... Lower fixing member, 18... Array support board, 1
9...Array hole, 20...Light diffusion member, 24...Light leakage part, 25...Light source for illumination, 26...Tubular reflective decoration member.

Claims (1)

[Claims] 1. One end of each of a large number of optical fiber elements is focused to form a light receiving end that receives light from one light source, and the light received at the light receiving end is directed in the axial direction of the optical fiber element. In a lighting device using optical fibers, the optical fibers are guided to the same direction and assembled with the other end of the optical fiber elements as a light emitting end, comprising: a plurality of optical fiber elements; and a plurality of optical fiber elements spaced apart in the radial direction. The plurality of optical fiber elements are spaced apart and arranged according to a desired arrangement pattern and fixed in the axial direction, with one end side of each of the plurality of optical fiber elements extending to one side,
an array support substrate that supports each other end of the plurality of optical fiber elements extending to the other side; and one end of each of the plurality of optical fiber elements on one side of the array support substrate. a light source means configured to introduce light that changes over time on one side, and a light decorative portion is formed for each of the optical fiber elements extending to the other side of the array support substrate, the light decorative portion a transparent or translucent tubular light-transmitting decorative member attached to cover the outer periphery of the optical fiber element over a desired length range from the array support substrate of each of the optical fiber elements; An opaque tubular member is provided between a light emitting member for light diffusion provided on the light emitting end face of the element and the transparent decorative member and the light emitting member and is attached to cover the outer periphery of the optical fiber element. In combination with a reflective decorative member, a light leakage portion is provided at a predetermined interval in the axial direction at a portion of the optical fiber element corresponding to the attachment portion of the transparent decorative member, and a light leakage portion is provided at a predetermined interval in the axial direction. A lighting device characterized in that a light source for illumination is provided on the side.