JP2006119392A - Light source device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a light source device in which rays of light emitted from LED light sources are never blocked by a band-shaped main body when an interval of the LED light sources is changed by turning the band-shaped main body. <P>SOLUTION: In the light source device which is equipped with; a band-shaped main body 2 in which the LED light sources 1 are provided at a prescribed interval in the longitudinal direction, and the interval of the LED light sources 1 can be changed by turning itself in; conductor 3 which supplies power to the LED light sources 1, the band-shaped main body 2 is configured in such a manner that a plurality of light source projected unit bodies 2a each of which has a flat plate-shaped part 2aa on whose front face side the LED light source 1 is provided and flat plate-shaped leg parts 2ac which are arranged at both adjacent sides of the flat plate-shaped part 2aa with bent parts 2ab, and which can support the flat plate-shaped part 2aa from its both sides so as to push it to the front face side are arranged in a band shape by connecting bent parts 2ad which connect mutual flat plate-shaped leg parts 2ac. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a linear light source device that can change the interval between light sources by folding.

As this type of light source device, there is one disclosed in Japanese Utility Model Laid-Open No. 5-43184. FIG. 6 is a partial perspective view of the light source device disclosed therein.
This is covered with a flexible strip-shaped body 12, a light source 13 mounted on the same surface of the flexible strip-shaped body 12 at a predetermined interval, and a flexible strip-shaped body 12 that supplies power to the light source 13. The conductor 11 is formed.
The installation of this will be described. In this device, the flexible belt-like main body 12 is bent or folded so that the flexible belt-like main body 12 has a desired shape, and in this state, the flexible belt-like main body 12 is attached to a support body 20 such as a hanging curtain. Is.

Since the light source 13 is attached to the flexible belt-like main body 12, this can be attached to a flexible support 2 such as a hanging curtain following the movement of the support 2 and bend easily. Alternatively, since it can be folded, various linear shapes (for example, a shape in which the interval between the light sources 13 is reduced) can be formed. In particular, when a substantially corrugated portion (bellows-shaped portion) 16 as shown in FIG. 7 is formed on the flexible strip-shaped main body 12, it can be bent to create a shape such as a circle or a curve. Not only the shape consisting of a straight line but also various shapes can be made. Thereby, the light source 13 can also be arrange | positioned in the form along various shapes.
Japanese Utility Model Publication No. 5-43184

  By the way, as the light source 13 of the light source device described above, an LED light source is often used because of its long life, small shape, and high strength. However, since the LED light source is a short component, the light emitted from the LED light source is substantially corrugated portion (bellows-like portion) 16 when the substantially corrugated portion (bellows-like portion) 16 swells like a mountain. Was sometimes blocked.

  The present invention has been made in view of the above-mentioned reasons, and its problem is to provide a light source device in which light emitted from an LED light source is not blocked by a belt-shaped body when the interval between the LED light sources is changed by folding. It is to supply.

The light source device of the present invention includes a strip-shaped main body in which an LED light source is provided at a predetermined interval in the longitudinal direction and the interval between the LED light sources can be changed by folding itself, and a conductor that supplies power to the LED light source. In the light source device
A flat plate that can support the belt-like body so that the flat plate portion provided with the LED light source on the front surface side and a bent portion disposed on both sides of the flat plate portion to push the flat plate portion from both sides to the front surface side. The light source projecting unit bodies having the shape leg portions are arranged in a plurality of strips by connecting bent portions connecting the flat plate leg portions to each other.

  In the light source device of the present invention, the belt-like main body is arranged on the front side with a flat plate portion provided with an LED light source, and the flat plate portion is disposed on both sides of the flat plate portion via a bent portion. The light source protruding unit body having a flat plate-like leg portion that can be supported so as to protrude into a plurality of band-shaped body portions by connecting bent portions that connect the flat plate-like leg portions. Even when the bent portion or the connecting bent portion which is a part of the LED light source is folded and the interval between the LED light sources is changed, the flat plate portion provided with the LED light source protrudes to the front side of the belt-like body, and thus the LED light source emits The emitted light is not blocked by the belt-like body.

  An embodiment corresponding to claims 1 and 2 of the present invention will be described with reference to FIGS. 1 is a partial perspective view of the light source device, FIG. 2 is a partially exploded perspective view of the light source device, FIG. 3 is a cross-sectional view of the main part of the light source device, FIG. 4 is a cross-sectional view of the main part when the one is extended to a flat state, FIG. 5 is a partial perspective view when this is fan-shaped.

This light source device includes a strip-shaped main body 2 in which the LED light source 1 is provided at predetermined intervals in the longitudinal direction and the interval between the LED light sources 1 can be changed by folding itself, a conductor 3 that supplies power to the LED light source 1, and And a lead wire 5.
The LED light source 1 is a so-called LED element, which has a positive electrode and a negative electrode and is turned on by applying a DC voltage to both electrodes. Here, a light source that emits white light is used. . Each LED light source 1 is provided with a conductor 3 described later.

  The belt-like main body 2 has a plurality of light source projecting unit bodies 2a arranged in a belt shape by connecting bent portions 2ad described later, and has a bellows shape as a whole. Here, the light source protruding unit 2a is a flat plate-like portion 2aa having the LED light source 1 provided on the front surface side, and arranged on both sides of the flat plate-like portion 2aa via bent portions 2ab. And a flat leg 2ac that can be supported so as to protrude to the side. The band-shaped main body 2 connects the flat plate-like leg portions 2ac of the light source protruding unit body 2a. The bent portion 2ab and the connected bent portion 2ad are folded into the band-like body 2 by folding the connected bent portion 2a as shown in FIG. 3, or both bent portions are bent as shown in FIG. The belt-like main body 2 can be flattened without being present.

The belt-like main body 2 will be described in more detail. The belt-like main body 2 is obtained by laminating a front side sheet 1a1 that covers the LED light source 1 and the conductor 3, and a back side sheet 2a2 that similarly covers the LED light source 1 and the conductor 3. When stacking, the LED light source 1 and the conductor 3 are sandwiched between the front sheet 1a1 and the back sheet 2a2.
Further, the front sheet 1a1 is formed of a translucent resin from which internal wiring can be confirmed, and the back sheet 2a2 is formed of a non-translucent resin. The back sheet 2a2 is preferably of a color that reflects light emitted from an LED light source such as white.

  In the conductor 3, a positive potential conductor 3 a and a negative potential conductor 3 c are wired along the longitudinal direction of the strip body 2 on one side of the strip body 2 in the short side direction. Further, the LED light source 1 is disposed between the positive potential conductor 3a and the negative potential conductor 3c. In the case of the one shown in FIG. 2, eight LED light sources 1 are disposed. The eight LED light sources 1 are connected in series between a positive potential conductor 3a and a negative potential conductor 3c by a series connection conductor 3b. By connecting in series in this way, a general-purpose DC power supply can be used. A plurality of sets of the eight LED light sources 1 are arranged along the band-shaped main body 2.

  The lead wire 5 is a power receiving wire. In this case, a DC voltage of 24 V is applied to the lead wire 5.

  Next, the handling when the light source device configured as described above is attached to the wall surface will be described. First, the case where the space | interval of the LED light source 1 is extended to the maximum is demonstrated. Along the wall surface to which the light source device is to be attached, one end thereof is fixed with a fixture. Then, the belt-like main body 2 is appropriately fixed with an attachment while the belt-shaped main body 2 is expanded (while being in the state shown in FIG. 4). As the mounting tool, a double-sided tape, a hook, a nail, or the like can be used. In particular, when nails are used, since the front sheet 1a1 is formed of a translucent resin, the conductor 3 that is the internal wiring can be confirmed, and therefore, it is only necessary to hit the nail where the conductors 3 are wide. Next, the case where the space | interval of the LED light source 1 is narrowed is demonstrated. Along the wall surface to which the light source device is to be attached, one end thereof is fixed with a fixture. Then, with the bellows-like main body of the belt-like main body 2 contracted to a desired degree, that is, as shown in FIG. 3, the bent portion 2ab and the connecting bent portion 2ad, which are part of the belt-like main body 2, are folded and the LED light source 1 is placed at a desired interval. Since the flat plate-like portion 2aa provided with the LED light source 1 protrudes to the front side of the belt-like main body 2 in this state, it is appropriately fixed using a fixture in that state. (A double-sided tape is not suitable for the fixture in this case.) When the LED light source 1 is to be arranged in a fan shape, the belt-like main body 2 may be deformed as shown in FIG.

  As described above, the light source device can be attached to the wall surface with a desired interval between the LED light sources 1. In any of these attachments, the LED light source 1 is arranged such that light emitted from the LED light source 1 is not blocked by the strip-shaped main body 2. When a voltage is applied to the lead wire 5 in this state, a line light source having a desired shape can be obtained without the light emitted from the LED light source 1 being blocked by the strip-shaped main body 2.

  According to this embodiment, the band-shaped main body 2 is arranged via the bent portion 2ab on both sides of the flat plate-like portion 2aa provided with the LED light source 1 on the front side and the flat plate-like portion 2aa. Light source protruding unit bodies 2a having flat plate-like leg portions 2ac that can be supported so as to protrude from the front side to the front side are arranged in a plurality of strips by connecting bent portions 2ad that connect the respective flat plate-like leg portions 2ac. As a result, the flat plate-like portion 2aa on which the LED light source 1 is provided has a belt-like shape even when the bent portion 2ab or the connecting bent portion 2ad, which is a part of the belt-like main body 2, is folded to change the interval between the LED light sources 1. Since it protrudes to the front side of the main body 2, the light emitted from the LED light source 1 is not blocked by the belt-shaped main body 2.

Further, when the belt-like main body 2 is arranged in a belt-like shape with a plurality of light source protruding unit bodies 2a at the connecting bends 2ad, the LED as shown in FIG. When the light source 1 has a wave shape with a predetermined interval, when the belt-like main body 2 is appropriately extended, contracted, or fan-shaped, the interval between the LED light sources 1 is substantially abbreviated. Since it becomes the same space | interval, it can be set as the line light source from which the LED light source 1 becomes a balanced arrangement.
In addition, when the belt-like main body 2 has a wave shape when attached to the wall surface, and the flat plate-like portion 2aa is separated from the wall surface, air convection is likely to occur in this portion, and the wall surface has a heat dissipation property such as a wooden board. It is convenient when it is a bad member.

  Moreover, the strip | belt-shaped main body 2 shall be the thing which laminated | stacked the several sheet | seat, and the LED light source 1 shall be what was inserted | pinched with the translucent sheet | seat, and the workability becomes easy. Further, when all of the front side sheets are translucent, the internal wiring can be confirmed, so that the places where the light source device can be nailed and the places where the light source device cannot be nailed can be seen visually.

It is a figure which concerns on embodiment of this invention, and is a partial perspective view of a light source device. It is a partial exploded perspective view of a light source device same as the above. It is principal part sectional drawing of a light source device same as the above. It is principal part sectional drawing when the light source device same as the above is extended to a flat state. It is a partial perspective view when the light source device same as the above is fan-shaped. It is a partial perspective view of the light source device based on a prior art example. It is principal part sectional drawing of a light source device same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 LED light source 2 Strip | belt-shaped main body 2a Light source protrusion unit body 2aa Flat plate part 2ab Bending part 2ac Flat plate leg part 2ad Connection bending part 3 Conductor

Claims (2)

In a light source device provided with a strip-shaped main body that is provided with an LED light source at a predetermined interval in the longitudinal direction and can change the interval of the LED light source by folding itself, and a conductor that supplies power to the LED light source,
The strip-shaped main body can be supported so that the flat plate-like portion provided with the LED light source on the front surface side and the bent portion is disposed on both sides of the flat plate-like portion so as to protrude from both sides to the front surface side. A light source device comprising a plurality of light source protruding unit bodies having flat plate legs arranged in a plurality of strips by connecting bent portions connecting the flat plate legs. The light source device according to claim 1, wherein the belt-shaped main body is formed by laminating a plurality of sheets, and at least a part of the LED light source is sandwiched between translucent sheets.

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