JP2003346506A - Light guiding illumination body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a light guiding illumination body excellent in brightness and endurance, which can reflect a light beam from a point light source of an LED in all directions different from the incident angle, to conduct reflected illumination as a light beam from a surface light source, and the cross-sectional shape of which can be set arbitrarily. <P>SOLUTION: A light guiding illumination body 1 comprises a synthetic resin molded body 1a for illumination, a tip in the longitudinal direction of which is fit to a fitting part 5a of a light source means 4, where a polyhedral reflection body 2 having reflection surfaces to a plurality of directions is integrally molded along the longitudinal direction in the synthetic resin molded body 1a, and a light beam from the light source means 4 is reflected to all horizontal directions by a plurality of the reflection surfaces of the polyhedral reflection body 2 as a light beam from a surface light source when the synthetic resin molded body 1a is placed in a vertical position. <P>COPYRIGHT: (C)2004,JPO

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a light guide illuminating body, and more particularly to a light source having a light emitting diode, in which one end of a longitudinal direction is fitted to a fitting portion of the light source, to convert a point light beam of the light emitting diode into a planar light beam. The present invention relates to a light guide illuminator capable of reflecting and illuminating the entire peripheral surface different from the incident angle on the reflection surface of the internal polyhedral reflector.

[0002]

2. Description of the Related Art Conventionally, light emitting diodes have been used as point light beams. In order to make this into a planar light beam, a number of light emitting diodes are arranged in parallel in a transparent tube.

[0003]

The mounting of a large number of light emitting diodes in the transparent tube requires a lot of labor such as wiring and insertion. In addition, since a tube is used, the shape of the outer surface is limited, the light brightness is impaired, and there is a difficulty in setting a wide surface. The present invention is capable of reflecting and illuminating a point light beam of a light emitting diode as a surface light beam on the entire circumference different from the angle of incidence, and arbitrarily setting a cross-sectional shape.
It is another object of the present invention to provide a light guide illuminator having excellent durability.

[0004]

The present invention employs the following technical means to solve the above-mentioned problems.

[0005] (1) A synthetic resin molded article for lighting, in which one longitudinal end is fitted to a fitting portion of a light source device, wherein a polyhedral reflector having reflecting surfaces in a plurality of directions is provided along a longitudinal direction. The synthetic resin molded body is vertically arranged, and when the light beam of the light source is incident in the vertical direction, the incident light beam is reflected by the reflecting surfaces of the polyhedral reflector in a plurality of directions. A light guide illuminator configured to reflect as a planar light beam.

(2) The light guide illuminator according to (1), wherein the synthetic resin molded body is a resin extruded molded body and has flexibility.

(3) The display of the above (1) or (2), wherein a display such as characters and drawings is formed on the surface of the synthetic resin molded body.
A light guide illuminator according to any one of the above.

(4) The light guide illuminator according to any one of (1) to (3), wherein the polyhedral reflector is a soft metal wire.

(5) The light guide illuminator according to any one of (1) to (4), wherein a plurality of the polyhedral reflectors are provided.

(6) The light guide illuminator as described in any one of (1) to (5) above, wherein uneven portions are formed along the length of the reflection surface of the polyhedral reflector.

(7) In the polyhedral reflector, the reflection surfaces on the front and back sides are set to perform different reflection actions.
The light guide illuminator according to any one of (1) to (6).

(8) The polyhedral reflector has a flat surface,
The light guide illumination according to any one of the above (1) to (7), wherein a plurality of branch pieces are formed, and the reflector forms a plurality of reflection sections in a horizontal direction by the reflector. body.

(9) The light guide illuminator according to (8), wherein gold-silver yarn is mixed in a resin material in the reflection section.

(10) The light guide illuminator according to any one of (8) and (9), wherein a metal foil powder is mixed with a resin material in the reflection section.

(11) In the reflection section, a plurality of bubble cavities are formed irregularly along the length.
The light guide illuminator according to any one of the above (8) to (10).

[0016]

Embodiments of the present invention will be described with reference to the drawings. 1 and 2 are plan views of the light guide illuminator, and FIG. 3 is a front view showing a state where the light guide illuminator is mounted on the light source device.

The light guide illumination body (1) is a synthetic resin having excellent translucency, for example, an acrylic synthetic resin molded body (1a). Can be cut arbitrarily, but is set according to the purpose of use, for example, 20 cm, 30 cm, 50 cm, 1 meter, or 2 meters.

The acrylic synthetic resin is not limited to a hard one, but can be bent using a soft acrylic resin. Even a hard resin having a small diameter is naturally bent.
The material is not limited to acrylic. Extrusion molding is suitable as a molding method in order to reduce costs. Molding (pressing, pouring) for special shapes
And In such a case, the polyhedral reflector (2) can be molded in advance, and then put in a mold and molded.

The planar shape of the light guide illuminating body (1) may be circular, elliptical, triangular, square, polygonal, Kamaboko, I-shaped, S-shaped, X-shaped, V-shaped, U-shaped or T-shaped depending on the application. In addition, it can be set arbitrarily as long as it can be extruded.
The diameter is from about 2 mm to more than 50 mm. For plate-like objects,
From about 3 mm thick to more. The width is around 10 mm and 1
It can be set arbitrarily such as 00 mm or more.

In FIG. 1, on the plane of the light guide illuminator (1), a substantially triangular polyhedral reflector (2) is integrally extruded along its length inside a synthetic resin molded body (1a). Is formed. A plurality of (three in the figure) reflecting surfaces of the polyhedral reflector (2) may be flat, but as shown in the drawing, the central portion shows a slightly bulging curve, and the reflecting surface has irregularities ( Two
a) is formed along the length. In the figure, reference numeral (2b) denotes a vertically long defective portion.

That is, a light beam that vertically passes through the outside of the polyhedral reflector (2) enters the inside through the defective portion (2b), and
The light is reflected inside (2) and radiated to the outside from another defective portion (2b). In addition, a light beam that passes vertically through the inside is reflected outside from the defective portion (2b). Thereby, even if the polyhedral reflector (2) is made large or double annular, there is no loss in the amount of reflected light.

FIG. 2 is a plan view showing a second embodiment of the light guide illuminator (1). The same parts as those in the previous example are denoted by the same reference numerals, and description thereof will be omitted. In the light guide illumination body (1), a plurality of branch pieces (2c) are formed on a plane, with their reflection surfaces facing different directions. By the polyhedral reflector (2),
The light-guiding illuminator (1) has a plurality of reflection sections (3a), (3b), and (3c) formed in a horizontal direction facing different reflection surfaces of the polyhedral reflector (2).

Each of the polygonal reflectors (2) is made by mixing a white pigment or an aluminum foil or other metal foil powder into a synthetic resin material and extruding the same at the time of molding. ) Are also formed at the time of molding. When a white pigment is used, it is a flat reflection, but when a foil powder is used, the myriad of fine foil surfaces face different directions, so it is a translucent synthetic resin. Diffuse reflection occurs when the material is used.

The planar shape of the polyhedral reflector (2) shown in FIGS. 1 and 2 is not only a triangular shape shown in FIG. 1, a Y shape shown in FIG.
In the range of shapes that can be extruded, such as shape, I shape, L shape, O shape, S shape, X shape, V shape, H shape, their deformation, etc.
It can be set arbitrarily.

FIG. 3 shows a state in which one longitudinal end of the light guide illuminator (1) shown in FIG. 2 is fitted and fixed to a fitting portion (5a) of a light source device (4).
The use state as an illumination lamp is shown. In the light source device (4), a light emitting diode (6) is disposed inside a case (5) with its head facing outward, and power is transmitted through a cord (4a), so that the light emitting diode (6) is ) Emits light. Code (4
When a) is not used, batteries can be used.

The light of the light emitting diode (6) is converted into a point light beam, and the synthetic resin molded body (1a) of the light guide illumination body (1) in FIG.
In the vertical direction, zigzag as indicated by the imaginary line L. In the process, the light reflected by the polyhedral reflector (2) is applied to the entire periphery of the light guide illuminator (1). Irradiated as

FIG. 4 shows the relationship between the polyhedral reflector (2) in the synthetic resin molded body (1a) on which the reflective sections (3a), (3b) and (3c) are formed, and the light rays of the light emitting diode (6). It is a schematic plan view shown. In the small reflection section (3a), if the corresponding light emitting diode (6a) emits blue light, for example, the blue light reflected by the polyhedral reflector (2) mainly irradiates in the direction indicated by the arrow A.

Assuming that the light emitting diodes (6b) and (6c) corresponding to the right reflecting section (3b) in FIG. 4 have yellow light emission, the yellow light reflected by the polyhedral reflector (2) is mainly Irradiate in the direction indicated by arrow B. Assuming that the light emitting diodes (6d) and (6e) corresponding to the left reflecting section (3c) emit red light, the red light reflected by the polyhedral reflector (2) mainly irradiates in the direction indicated by the arrow C.

As described above, the polyhedral reflector (2) causes the light passing through the synthetic resin molded body (1a) to pass through the reflecting sections (3a), (3b), (3).
c) The light guide illuminator has the property of reflecting in different directions for each
The point light of the light emitting diode (6) incident in the longitudinal direction of (1) is reflected as a surface light on the circumferential surface substantially perpendicular to the incident angle.

Further, if the emission colors of the plurality of light emitting diodes (6) corresponding to the same reflection sections (3a), (3b), (3c) are set as different colors, respectively, As described above, even in the same reflection section (3a), (3b), (3c), when the direction of the reflection surface of the polyhedral reflector (2) is partially different, the different color light rays are reflected in different directions.

When the uneven surface (2a) having, for example, a mountain-shaped cross section is formed on the surface of the polyhedral reflector (2), the light beam is directed in different directions depending on the direction of the reflecting surface of the uneven surface (2a). Are reflected, the light-emitting diodes (6) of different colors are
When combined with (3b) and (3c) and provided on the light source (4), the light reflected by the polyhedral reflector (2) is viewed as a mixed color.

FIG. 5 et seq. Show the third embodiment and the following examples of the light guide illuminator. The same parts as those in the previous example are denoted by the same reference numerals and description thereof will be omitted. FIG. 5, which shows the third embodiment, shows a polyhedral reflector (2) formed by combining an X-shape around a ring in a plane in a cylindrical light-guiding illuminator (1). The annular portion has a partially missing portion (2b).

In this embodiment, the central reflecting section (3
e) mainly irradiates the light beam in the longitudinal direction,
Since light rays leak from b) to the other reflecting sections (3a) (3b) (3c) (3d), when light rays of different colors are used, partial color mixing is visible from the peripheral surface. As an application, it can be used for, for example, a moth lamp, a show window lighting, a fish collecting lamp, and the like.

In FIG. 6 showing the fourth embodiment, the polyhedral reflector (2) is formed in a substantially H shape in a plane, but the degree of curvature is different between the left and right. Therefore, the light brightness before and after the left and right changes. This is also suitable as an attracting light for a large number of insects having different light intensities, a fish-collecting light, a show window lighting, and the like.

In FIG. 7 showing the fifth embodiment, a substantially V-shaped polyhedral reflector (2) is formed on a light-guiding illuminator (1) having a cross-sectionally concave shape. Also in this case, the light brightness differs between the front and rear and the side. By changing the size of the uneven stripes (2a) on the front and back of the polyhedral reflector (2), or as two layers on the front and back, for example, changing the white color on one side, the foil on the other side, etc. Changes can be made in the light beam. This change
Naturally, it applies to other shapes.

In FIG. 8 showing the sixth embodiment, a polyhedral reflector (2) is set on a tetra-block-shaped light-guiding illuminator (1) so as to face in three directions from the center in the radial direction. . Therefore, the horizontal front direction of the peripheral surface is irradiated as a planar light beam. As an application, it is suitable for, for example, a moth lamp, a fish collecting lamp, and a show window lighting.

In FIG. 9 showing the seventh embodiment, a large number of plate-like polyhedral reflectors (2) are provided on a plate-like light guide illuminator (1), and their reflection surfaces are directed in different directions. Are arranged at arbitrary intervals. Therefore, light rays are irregularly reflected in the direction in which the respective reflecting surfaces face. When the light source device (4) is fixed and the synthetic resin molded body (1a) is rotated, the synthetic resin molded body (1a) looks glittering and is suitable for decorative lighting of a show window.

In FIG. 10 showing the eighth embodiment, a substantially Y-shaped polyhedral reflector (2) is formed on a triangular prism-shaped light guide illuminator (1) whose isosceles portion is curved. In this method, when light sources are attached to both ends with a horizontal length, light rays are reflected and radiated mainly obliquely downward in the left and right directions.

Therefore, it is suitable for irradiating vegetables with white daylight during house cultivation of plants at night. Also,
On the surface of the resin molded product (1a), a display such as characters and figures (not shown) can be displayed directly by means of printing, transfer, handwriting, etc., and guide lights, guide lights, label lights of corridors and mountain roads. Also suitable for.

In FIG. 11 showing the ninth embodiment, a synthetic resin molded body (1a) of a light guide illuminator (1) is formed of a soft synthetic resin material, and is deformed by hand to be set in a spiral shape. I have. Although the polyhedral reflector (2) is formed to face a specific direction, when the light guide illuminator (1) is set in a spiral shape, the polyhedral reflector (2) is also twisted as a whole. The reflection direction is partially different as a whole.

As an application, it is suitable for decorative lighting such as a display. When the thickness is reduced to a thread shape in this mode, light is emitted from the peripheral surface, so that it becomes like a glowing thread and can be wound around goods, furniture, trees, etc. Can be used for

Referring to FIG. 12 showing the tenth embodiment, a polygonal reflector (2) having a plurality of reflective surfaces is used.
Finely cut metal foil pieces (2d) and cell cavities (2e) are irregularly arranged in the plurality of reflection sections (3a), (3b), and (3c). In this manufacturing method, a metal foil piece (2d) is mixed with a material before extruding a synthetic resin molded body (1a), and air bubbles are formed at the time of extrusion by mixing air. The incident light is reflected on the outer peripheral wall surface of the bubble cavity (2e).

The bubble cavities (2e) are irregular in shape, size and position, and cannot be the same. Light source (4)
If the number of light emitting diodes (6) is plural and the emission color is different, when used for lighting such as a display,
Different colors are reflected on the difference in the position, size and shape of the bubble cavity (2e), so that a fantastic illumination can be provided. The bubble cavity (2e) and the metal foil piece (2d) can be combined with each of the embodiments described above.

In addition to the metal foil pieces (2d), gold-silver yarns and bright yarns used in textiles can be used. The gold and silver thread may be long or cut short. FIG. 13 shows the first
FIG. 2 is a perspective view of a reflection illuminator (1) showing one embodiment. The same parts as those in the previous example are denoted by the same reference numerals, and description thereof is omitted. In this embodiment, a synthetic resin molded body (1a) is shaped with a soft resin, and an aluminum metal wire (2f) is inserted therein.

That is, the synthetic resin molded article (1a) is soft,
When a certain shape cannot be obtained, a helical, wavy, or other desired shape can be formed if a soft metal wire is contained as a core. An aluminum metal wire (2f) can be bent freely and is reflective. monochromatic,
Multicolor coloring can be performed.

As described above, various changes can be made by changing the shape of the light guide illuminator (1) and the shape and arrangement of the polyhedral reflector (2). With this change, applications can be expanded.

The present invention is not limited to the above embodiment, and the design can be changed as appropriate in accordance with the purpose and the shape of the light source device (4). In the case of the die molding, press molding or injection molding is performed, and a shape having a large and small thickness at the top and bottom, such as a light bulb, a bottle, a racket, or a box shape, with a preformed polyhedral reflector (2) as a core, or a box shape Can be

[0048]

The present invention configured as described above has the following excellent effects.

(1) According to the first aspect of the present invention, since a polyhedral reflector having reflecting surfaces in a plurality of directions is integrally formed along the length inside a synthetic resin molded body for lighting, When the one end of the longitudinal direction is fitted to the fitting portion of the light source device and the synthetic resin molded body is lit vertically, the point-like rays of the light source device are horizontally and entirely reflected by the reflecting surfaces of the polyhedral reflector in a plurality of directions. There is an effect that the peripheral surface can be reflected and irradiated as planar light rays with low power consumption.

(2) According to the second aspect of the present invention, since the synthetic resin molded article is a resin extruded molded article and has flexible flexibility, its shape can be arbitrarily changed, and There is an effect that the reflection surface can be changed in multiple directions. Further, when the synthetic resin molded article is thinned into a thread shape, it has the effect that it can be wrapped around a product, furniture, a tree, or the like like a shiny thread, and can be used as a decorative lamp.

(3) According to the third aspect of the present invention, since a display such as a character or a drawing can be directly formed on the surface of the synthetic resin molded body, a guide light, a show window, etc. There is an effect that can be used for display lamps and the like.

(4) In the invention described in claim 4, since the polyhedral reflector is a soft metal wire such as aluminum, the soft synthetic resin molded body is bent into a desired shape to fix the shape. There is an effect that can be.

(5) According to the fifth aspect of the present invention, since a plurality of polyhedral reflectors are provided, a large number of reflecting sections can be set, and when different colors of light correspond to each reflecting section. Thus, there is an effect that the light can be visually recognized as irregularly reflected light.

(6) According to the invention described in claim 6, since the uneven surface is formed along the length on the reflecting surface of the polyhedral reflector, there is an effect that the reflected light can be further irregularly reflected.

(7) According to the seventh aspect of the present invention, since the front and back reflecting surfaces of the polyhedral reflector are set to perform different reflecting actions, the same light beam differs depending on the direction. There is an effect of being visually recognized as the light brightness.

(8) In the invention described in claim 8, a polyhedral reflector in which a plurality of branch pieces are formed in a plane is formed, and a plurality of reflection sections are formed in the synthetic resin molded body in a horizontal direction. Therefore, it is possible to reflect in the entire circumferential direction of the resin molded body, and at the same time, when the illumination lamp, when a different color light source is disposed for each reflection section, for each reflection section, There is an effect that a different-color planar light beam can be reflected.

(9) According to the ninth aspect of the present invention, as the material of the polyhedral reflector, gold and silver yarns are mixed in the resin material, so that the reflection efficiency is good.

(10) According to the tenth aspect of the invention, since the metal foil pieces are mixed in the resin material as the material of the polyhedral reflector, there is an effect that irregular reflection can be performed by the fine metal foil pieces. .

(11) According to the tenth aspect of the present invention, since a plurality of bubble cavities are formed irregularly along the length as a polyhedral reflector, the bubble cavities are irregularly shaped in the circumferential direction and irregular. There is an effect that the wall surface of the bubble cavity is reflected at the position, and it is possible to obtain an elegant illumination of the reflected light beam.

[Brief description of the drawings]

FIG. 1 is a plan view of a light guide illumination body.

FIG. 2 is a plan view of a light guide illuminating body showing a second embodiment.

FIG. 3 is a front view of the light guide illuminator showing a use state attached to the light source device.

FIG. 4 is a schematic plan view showing a relationship between a polyhedral reflector and a light emitting diode.

FIG. 5 is a plan view of a light guide illuminating body showing a third embodiment.

FIG. 6 is a plan view of a light guide illuminating body showing a fourth embodiment.

FIG. 7 is a plan view of a light guide illuminating body showing a fifth embodiment.

FIG. 8 is a plan view of a light guide illuminating body showing a sixth embodiment.

FIG. 9 is a plan view of a light guide illuminating body showing a seventh embodiment.

FIG. 10 is a plan view of a light guide illuminating body showing an eighth embodiment.

FIG. 11 is a perspective view of a light guide illuminating body showing a ninth embodiment.

FIG. 12 is a perspective view of a light guide illuminating body showing a tenth embodiment.

FIG. 13 is a perspective view of a light guide illuminating body showing an eleventh embodiment.

[Explanation of symbols]

(1) Light guide lighting body (1a) Synthetic resin molding (2) Polyhedral reflector (2a) Uneven strip (2b) Missing part (2c) Branch piece (2d) Metal foil pieces (2e) bubble cavity (2f) Metal wire (3a)-(3e) Reflection section (4) Light source equipment (4a) Code (5) Case (5a) Fitting part (6) Light emitting diode

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) A01K 79/00 J

Claims (11)

[Claims] 1. A synthetic resin molded article for illumination, in which a longitudinal end is fitted to a fitting portion of a light source device, wherein a polyhedral reflector having a reflecting surface in a plurality of directions is provided along the longitudinal direction. It is molded integrally, and the synthetic resin molded body is placed vertically, and when the light beam of the light source is incident in the vertical direction, the incident light beam is reflected by the multi-directional reflecting surface of the polyhedral reflector in the entire horizontal direction, A light-guide illuminator configured to reflect as a light beam. 2. The synthetic resin molded article is a resin extruded molded article, and has flexibility.
A light guide illuminator according to claim 1. 3. A display body such as characters and drawings is formed on the surface of the synthetic resin molded body.
A light guide illuminator according to claim 1. 4. The light guide illuminator according to claim 1, wherein the polyhedral reflector is a soft metal wire. 5. The light guide illuminator according to claim 1, wherein a plurality of said polyhedral reflectors are provided. 6. The method according to claim 1, wherein the reflecting surface of the polyhedral reflector is provided with uneven stripes along its length.
6. The light guide illuminator according to any one of items 1 to 5. 7. The light guide according to claim 1, wherein the multi-sided reflector is set so that the front and back reflection surfaces perform different reflection actions. Lighting body. 8. The polyhedral reflector has a plurality of branch pieces formed in a plane, and the polyhedral reflector has a plurality of reflective sections formed in a horizontal direction on the synthetic resin molded body. A light guide illuminator according to any one of claims 1 to 7. 9. The light guide illuminator according to claim 8, wherein a gold and silver thread is mixed in a resin material in the reflection section. 10. The light guide illuminator according to claim 8, wherein a metal foil powder is mixed in a resin material in the reflection section. 11. The light guide illuminator according to claim 8, wherein a plurality of bubble cavities are formed irregularly along a length of the reflection section.