JPS6128222Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an image display body such as a billboard, a guide board, a display, etc.

Conventionally, billboards, information boards, and various displays have been used, for example, those that look directly at the luminous material, such as neon signs, or those that place a light source on the back of a light-scattering board that has text or images on it, such as a regular signboard. There are some known types of devices, such as those that are visible, or those that simply project illumination light and see the reflected light. However, neon signs are difficult to see during the day, and because you look directly at the luminous material, it flickers, and the image is not arbitrary.
It is difficult to make high-quality advertising materials, and those that place a scattering plate in front of the light source take up a lot of space, are time-consuming to transport and support, and are uniformly placed on an opaque surface. Another drawback was that the illumination light projection was mediocre and lacked an eye-catching effect.

The image display of the present invention was discovered as a result of various studies in view of the above points, and has extremely high visibility, low power consumption, and can be easily manufactured. That is, the present invention provides a light-scattering image made of a light-scattering composition on the surface of a transparent body, and irradiates light into the inside of the transparent body from any one direction in areas where the image is not provided. The gist of the present invention is an image display body in which a light source is arranged so as to introduce the light source, and a light reflecting layer is further provided on at least a part of the image and a portion not having the light source.

Hereinafter, the present invention will be explained in detail based on the drawings.

FIG. 1 is a perspective view showing an embodiment of an image display body according to the present invention, and FIG. 2 is an end view cut along the line A-A of the image display body. The upper end surface has a light reflecting layer 2, the front surface has a light scattering image 3, and the lower end surface has a light source 4 consisting of a fluorescent lamp.
It consists of a structure with

In such a display body of the present invention, as shown in FIG.
The light is reflected, enters the back side of the light-scattering image 3, is scattered, and is visually recognized by the observer 6 as a scattered image. Moreover, even if no light is emitted from the light source during the day, the light scattering image 3 is clearly perceived by the observer 6.

In the above, transparent materials include cellophane, nitrocellulose, cellulose acetate, polyolefin resin, vinyl chloride, vinylidene chloride, vinyl acetate, styrene, acrylic acid or methacrylic acid ester derivatives, nitrile derivatives, and acid amide derivatives. It is composed of synthetic resins such as vinyl monomer homopolymers or their copolymers, styrene-butadiene copolymers, polyester resins, polycarbonate resins, or polyamide resins, or glass, and its shape is a plate. In addition to the shape, various shapes such as a cylindrical shape, a prismatic shape, a pyramid shape, a cylinder shape, a prismatic shape, etc. can be applied, and a hollow part can also be provided. When using a synthetic resin for the transparent body, a surface hardening film such as a polymeric film of a polyfunctional acrylic resin or a silicone resin film can be formed to prevent deterioration of the luminous effect due to scratches, etc. The transparent body may be a combination body, such as by bonding two or more transparent bodies together. Alternatively, the transparent body may be colored to a sufficient extent to allow light to pass through. For example, if the above-mentioned transparent body is plate-shaped, a film with a thickness of 100 μm or more can be used, but if it is too thin, the light scattering efficiency will be poor, and if it is too thick, the light efficiency will be impaired. The degree is practical.

Next, the light-scattering image is made of a light-scattering composition in which transparent or colored glass beads, glass frit, Erosyl, etc. are dispersed in a resin, and if necessary, a transparent pigment or dye is added. When forming the image, glass beads, glass frit, Erosyl, etc. are mixed with cellulose derivatives, vinyl chloride, vinyl acetate, vinylidene chloride, styrene, etc.
Homopolymers of unsaturated carboxylic acids such as acrylic acid, methacrylic acid or maleic acid or vinyl monomers such as nitrile derivatives, ester derivatives and acid amide derivatives thereof, or copolymers thereof, polyamide resins, polyester resins, In order to form an ink by dispersing it into petroleum resins, rubber derivatives, etc., the particle size thereof is preferably 200 μm or less.
Screen printing is preferred for image formation, but brush coating through a mask plate, roller coating, spray coating, flow coating, gravure coating, etc. can also be applied. You can use methods such as coating, screen printing, brush painting, etc. to form a pattern, and then spraying glass beads, glass frits, Erosil, etc. on top of it to bond it. The thickness of the image is preferably about 5 μm to 2 mm, but it may be made thicker if the scattering efficiency is poor. Here, an example of the screen printing ink used to form the image is one in which 4 parts by weight of glass frit (average particle size 44 μm) is mixed with 10 parts by weight of acrylic ink for screen printing.

Next, the light reflecting layer is made of aluminum, gold,
It is composed of metals such as silver, chromium, nickel, copper, and tin, or colored bodies such as white, yellow, blue, green, red, and orange. The light reflecting layer is attached to a metal plate via an adhesive. It is formed by a method such as attaching metal tape, metallized tape, white tape, colored tape, vapor depositing metal, or applying metallic luster paint. Note that the light-reflecting layer is provided on at least a portion of the portion that does not have a light-scattering image and a light source. For example, when the light source is arranged in the direction of the lower end surface, it can be provided not only on the upper end surface of the transparent body as in the above embodiment, but also on the side end surface of the transparent body where the light scattering image is not provided. For example, in the case of a transparent plate having a light-scattering image on the front surface, a light-reflecting layer can be provided on the left and right end surfaces and the rear surface, in addition to the top surface, which do not have a light-scattering image.

Further, as the light source, any one of point light sources such as tungsten lamps and halogen lamps, or line light sources such as fluorescent materials can be used alone or in combination. The light source is placed in a portion of the transparent body where the light-scattering image is not provided so as to introduce light into the transparent body from any one direction. The installation is as shown in the first figure, for example, in the case of the above embodiment,
In addition to the method of separately installing the light source storage section 7 on the lower end surface, any method can be used such as a method of hollowing out the lower end surface of the transparent body and inserting a light source into that part.

In the above invention, by placing a reflective mirror on the rear surface of the transparent body, a display with a sense of depth can be achieved.
Brightness improves. Furthermore, by arranging a circularly polarizing plate in front of the transparent body, it is less affected by external light even under bright light, and has the effect that only the scattered light portion is visible. Furthermore, by arranging half mirrors such as thin vapor-deposited gold layers on the front and rear surfaces, it becomes highly visible as a diffused image with several layers overlapping each other. Alternatively, if a transparent plate is bonded to the light-scattering image surface side, damage to the image surface can be prevented, resulting in a high-quality display.

As is clear from the above explanation, the image display of the present invention is visible from both the front and back sides, is light-receiving type during the day and is easy to see in bright places, and at night the image area is diffused and has high visibility, compared to neon signs. The number of light sources is small, allowing a much greater degree of freedom in design; high light efficiency reduces power consumption and maintenance costs; and manufacturing costs are low. Therefore, such image display boards can be used as outdoor advertising boards, information boards, in-vehicle display boards, directional signs, indoor displays, educational displays, hazardous materials displays, section guide displays, window displays, and emergency exit guide boards. It can be applied to various things such as , rotating advertising display, etc.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an embodiment of an image display body according to the present invention, and FIG. 2 is an end view cut along the line A--A. 1... Transparent body, 2... Light reflective layer, 3... Light scattering image, 4... Light source.

Claims (1)

[Scope of utility model registration request] A light-scattering image composed of a light-scattering composition is provided on the surface of the transparent body, and a light source is arranged in the area where the image is not provided so as to introduce light into the inside of the transparent body from any one direction. The image display body further comprises a light reflecting layer provided on at least a part of the image and the portion not having the light source.