JP6902176B2 - Folding lighting device - Google Patents

Description

The present invention relates to a foldable luminaire.

Conventionally, a foldable circular / elliptical reflector has been used to reflect sunlight or artificial light during photography to illuminate the object to be photographed.

Conventionally, a circular / elliptical reflector is made by making the circumference of the cloth on the surface into a bag shape, inserting a tape-shaped metal with spring characteristics along the circumference, and twisting the metal to fold and cover the area. -The volume can be reduced.

By the way, conventionally, a foldable lighting device has a structure in which a light emitting surface is opened left and right or up and down by using an opening and closing type metal fitting.

Next, the prior art relating to the foldable lighting device will be described.

The foldable planar light emitting device and the planar display device of Patent Document 1 include an illumination unit in which a plurality of semiconductor light emitters are arranged on the surface of a bendable and expandable insulator base, a control unit that emits light from the semiconductor light emitters, and a control unit that emits light. It is a planar light emitting device having a power supply unit for supplying electric power to the control unit, and characterized in that the light emitting surface of the lighting unit can be freely folded.

The technique of Document 1 has two symmetrical light emitting surfaces, and both light emitting surfaces can be folded with a bendable and stretchable member such as a hinge, a wire rod, and a film. The light emitting surface is divided into two surfaces. Has been done.

The foldable reflective screen of Patent Document 2 includes a flexible cloth-like reflective element having a support and tension structure on the outside, and a supporting element having a lamp, and the reflective element in the open state of the reflective screen is a light emission opening. Basically, it forms a main body to be rotated.

The prior art described in Reference 2 has similarities between the support and tension structure and the cloth-like reflective element to the contents related to this method, but it requires many components and joints, and does not consist of the minimum components. Absent. Also, the size when folded is not suitable for carrying.

The signboard of Patent Document 3 is a signboard having a bottom and three or more side surfaces, which includes a foldable skeleton and a band of sheets stretched so as to cover the skeleton, and the skeleton has flexibility. The skeleton and the sheet can be elastically deformed and folded.

The prior art described in Reference 3 includes a foldable skeleton and an integral sheet stretched to cover the skeleton, and the fact that it can be easily carried in the folded form is the same as that of this method. Although there are similarities, the light source is installed as a separate component inside surrounded by the bottom and side surfaces, and the light source device is not integrated with the main body.

JP-A-2002-270007 Special Table 2010-532076 Japanese Unexamined Patent Publication No. 2015-212805

The conventional foldable lighting device has many components and joints, and it is difficult to make it thin in the folded state, and its weight makes it inconvenient to carry. In addition, since the luminous surface is divided, there is a problem in lighting efficiency.

In the technique of Patent Document 1, the light emitting surface is divided into two or more because one or more folding members are inserted. Therefore, there is a problem that the light of the divided portion is interrupted. The technique of Patent Document 2 is particularly useful for producing lighting and / or shading effects in the field of photography or cinema. Therefore, the volume in the open state is large, and it is not suitable for use in lighting of living spaces. In addition, there are many components, the production cost is high, and it is not easy to assemble. The technique of Patent Document 3 has a problem that it is inconvenient to install and carry because the main body and the light source portion are separate parts. In the present invention, since the light source is provided around the light emitting surface, it is possible to emit light on a large surface without interruption of light. In addition, since it is composed of the smallest members, the production cost is reduced and the production process is easy. Furthermore, it can be assembled with one touch with almost no force applied, and because it is lightweight, it is easy to carry and suitable for transportation.

The present invention is a flexible sheet-like member stretched on both sides of an illumination unit having a light emitting body arranged inside a bendable circular or elliptical (including oval) frame member and the frame member. This is a foldable lighting device, characterized in that the light emitting surface can be freely folded because at least one of the sheet-shaped members has a translucent property.

In order to achieve the above object, the present invention forms a bag-shaped circumferential portion of a cloth-like reflective element composed of two layers, puts a tension structure such as spring steel in that portion, and puts a light emitting body in the tension structure. Arrange. The light emitted from the light emitter goes toward the inner circumference of the cloth-like reflective element and causes the entire cloth-like reflective element to emit light.

As described above, according to the present invention, a large light emitting surface can be created when in use, and when not in use, it can be easily and compactly folded and stored with one touch. Furthermore, because it is lightweight, it is suitable for carrying and transporting.

The front view which shows the embodiment of this invention. The front view which shows the different embodiment of this invention. The front view which shows the embodiment before folding of this invention. Front view showing an embodiment during a folding operation of the present invention. The front view which shows the embodiment at the time of folding of this invention. The cross-sectional view which shows the embodiment of this invention. FIG. 3 is a perspective view of a cross section showing an embodiment of the present invention. The front view of the cross section which shows the embodiment of this invention.

Embodiments of the present invention will be described with reference to FIGS. 1 to 5.

The skeleton of the foldable lighting device of the present invention is a tension structure 4 as a frame member such as spring steel formed in a circular shape, has flexibility (or elasticity), is bendable, and is elastically deformed. It can be folded. In addition, it is possible to restore the folded state by elastically deforming it with almost one touch by one worker with almost no force applied, or to fold it.

The light emitting body 5 is arranged inside the tension structure 4 as a frame member, that is, on the inner peripheral surface having a circular shape. The light emitting body includes a tape-shaped base 5 and a plurality of light emitting elements provided on the base.

A first sheet-like member 1 is arranged on one surface side (front surface side) of the tension structure 4. This sheet-like member is a cloth-like element 1 having transparency and flexibility such as nylon cloth.

A second sheet-like member 2 is arranged on the other surface side (back surface side) of the tension structure 4. The cloth-like element 2 of this sheet-like member is a metal on which one side is opaque and the other side is laminated with a plastic film made of polyester, for example, to which aluminum or the like is added by surface processing for reflecting light, for example, by vapor deposition. Made of foil or supporting fibers. Surface processing with other materials or combinations of material coatings is also possible. The surface to which the reflective element is applied is structured so that the surface faces the inside of the main body.

The circumferential portion where the tension structure 4 such as spring steel with the luminous body 5 is inserted is edged by a flexible cloth-like element 3 having a light-shielding elasticity, and the light emitting body 6 emits light from the circumferential portion. Prevents you from seeing.

The light-shielding flexible cloth-like element 3 is made of a flexible cloth-like element to which rubber or the like is added to one side by, for example, vapor deposition. Combinations of other materials, or other coatings, are also possible.

The illuminant has full-color LEDs , full-color organic EL , or white, red, green, and blue LEDs, and the control applies these LEDs to the red, green, and blue LEDs, respectively, with current or voltage. The color, brightness, and light emission time can be controlled by controlling the pulse peak value, pulse width, pulse number, or any two, or all of the time-series pulses consisting of, so that the amount of light, irradiation time, and color can be adjusted. It can be easily controlled, the color can be changed easily, and the color can be changed continuously, and it can be used for lighting for various purposes.

In the present invention, when the power is turned on, the light emitter installed on the circumference emits light, the irradiated light is reflected inside the main body, reaches the center of the cloth-like element, and emits light on the surface of the cloth-like element with uniform light. Can be made to.

The present invention can be used as indirect lighting by turning the front side and the back side upside down and arranging them near the wall surface.

According to the present invention, light can be emitted on both sides by stretching a flexible cloth-like element having translucency on both the front side and the back side.

In the foldable lighting device of the present invention, information for guidance or promotion can be displayed on the light emitting surface 1.

The information to be displayed on the light emitting surface 1 is not limited to the characters 7 and figures, and may be any color painted on a part or the entire surface of the light emitting surface.

The information for guidance is also used for the purpose of guidance in an emergency situation such as a disaster. The information for promotion is, for example, an advertisement.

When the foldable illuminator is assembled, the cloth-like elements 1 and 2 are stretched and expanded by the tension of the skeleton to create a uniform surface without wrinkles. When assembled, a cloth-like element that has excellent tensile strength and can be folded together with the skeleton is used. The cloth-like elements 1 and 2 are not particularly limited, and are, for example, synthetic fiber sheets such as nylon, tetron, and polyester, and any other cloth material.

As described above, according to the present embodiment, it is possible to easily create a light emitting surface having a high folding rate, and it can be widely used as lighting for a living space or in other uses and places. Moreover, since the constituent materials are the minimum, production cost and energy can be suppressed. In addition, the size of the folded state makes it convenient for transportation, and its lightness makes it convenient to carry, and it has the potential to be used at sites such as disasters.
Furthermore, the assembly method requires no explanation and can be assembled in a short time with almost one touch with almost no force applied.

1 Flexible cloth-like reflective element with translucency 2 One side is a flexible cloth-like element such as nylon cloth, and the other side is surface processing to reflect light, for example, processing to which aluminum or the like is added by vapor deposition. Flexible cloth-like reflective element 3 Flexible cloth-like element with light-shielding property 4 Tension structure such as spring steel 5 Tape-like base with illuminants arranged
6 Luminescent body

Claims (5)

A lighting unit having a light emitting body arranged inside a bendable circular or elliptical frame member and a flexible sheet-like member stretched on both sides of the frame member are provided, and at least the sheet-like member is provided. A foldable lighting device characterized in that the light emitting surface can be freely folded because one of them has translucency. The foldable luminaire according to claim 1, wherein a reflective surface is formed on the inside of one of the flexible sheet-like members stretched on both sides of the frame member. The foldable luminaire according to any one of claims 1 to 2, wherein the light emitting body is equipped with a tape-type LED or an organic EL. The foldable lighting device according to any one of claims 1 to 3, wherein the light emitting body is a full-color LED or a full-color organic EL. The folding according to any one of claims 1 to 4, wherein the flexible sheet-like member is formed of a flexible material, and information for guidance or promotion is displayed on the surface of the flexible sheet-like member. Type lighting device.

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