JPH09197989A - Coloration device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain the device which is superior in durability and has long life and high flexibility by arranging a coloring material with photosensitivity which colors by being irradiated with light in a sealed space between a 1st member which have light transmissivity and a 2nd member. SOLUTION: The 1st member 1 has light transmissivity and the coloring material 2 is arranged in the sealed space 4 between the 1st member 1 and 2nd member 3. Therefore, natural light or artificial light can reaches the coloring material 2 by passing through the 1st member 1. The coloring material 2 has photosensitivity and colors in response to the natural light or artificial light which is made incident through the 1st member 1. The coloration of this coloring material 2 is radiated to the outside through the 1st member 1 having the light transmissivity, and consequently a coloring pattern based upon the pattern of the coloring material 2 is obtained. This coloring material 2 is provided in the sealed space 4 between the 1st member 1 and 2nd member 3, so it is shielded from an external atmosphere and improved in durability.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a color forming device. The coloring device according to the present invention includes a sign, a signboard, a nameplate, an accessory, or the like.

[0002]

2. Description of the Related Art Photochromic materials such as fluorescent paints are known as means for ensuring nighttime visibility without using illumination or light emitting elements. In the case of forming a light emitting device or a color developing device using such a photochromic material, conventionally, it has been general to apply the photochromic material on a support by means such as printing or spraying.

[0003]

One of the problems of the prior art in which the photochromic material is applied onto the support by means of printing, spraying or the like is that the photochromic material is brought into contact with the external atmosphere to cause a chemical reaction. Therefore, it cannot guarantee a long service life.

[0004] Therefore, an object of the present invention is to provide a long-life coloring device having excellent durability.

Another object of the present invention is to provide a sign, a signboard,
An object of the present invention is to provide a highly versatile color-developing device that can be applied to various uses such as a nameplate or an accessory.

[0006]

In order to solve the above-mentioned problems, a color-forming device according to the present invention includes a first member, a color-forming material, and a second member. The first member is light-transmissive and is coupled to the second member such that a sealed space is formed between the first member and the second member. The coloring material is
It has photosensitivity that develops color upon receiving light irradiation, and is arranged in the sealed space between the first member and the second member.

In the color-developing device according to the present invention, the first member has a light-transmitting property, and the color-developing material is arranged in the sealed space between the first member and the second member. Therefore, natural light or artificial light can pass through the first member and reach the coloring material. The color-forming material has photosensitivity that develops color when irradiated with light. Therefore, the coloring material develops color by natural light or artificial light incident through the first member. The color of the color-forming material passes through the first member having a light-transmitting property and is emitted to the outside. Therefore, a colored pattern that follows the pattern of the coloring material can be obtained.

The coloring material is provided in the sealed space between the first member and the second member. Therefore, the coloring material is shielded from the external atmosphere and the durability is significantly improved.

Since the color forming device according to the present invention has the above-mentioned structure and characteristics, it can be applied to various uses such as a sign, a signboard, a nameplate or an accessory.

Other objects, configurations and operational effects of the present invention will be described in more detail with reference to the accompanying drawings showing an embodiment.

[0011]

1 is a sectional view schematically showing the structure of a color forming apparatus according to the present invention. As shown in the figure, the coloring device according to the present invention includes a first member 1, a coloring material 2, and a second member 3. The first member 1 has a light-transmitting property, and a sealed space 4 is formed between the first member 1 and the second member 3,
It is connected to the second member 3. More specifically, the second
The member 3 is provided with the concave portion 31, and the coloring material 2 is arranged inside the concave portion 31. Then, the first member 1 is arranged on one surface of the second member 3 so as to seal the recess 31. The first member 1 is bonded onto the second member 3 by adhesive or mechanical bonding means. As a result, the sealed space 4 is formed by the recess 31. The coloring material 2 has photosensitivity that develops a color upon receiving light irradiation, and is arranged in the sealed space 4 between the first member 1 and the second member 3.

As described above, the first member 1 is light transmissive, and the coloring material 2 is arranged in the sealed space 4 between the first member 1 and the second member 3. . Therefore, natural light or artificial light can pass through the first member 1 and reach the coloring material 2. The color-forming material 2 has photosensitivity that develops color by receiving light irradiation. Therefore, the coloring material 2 develops color according to the natural light or artificial light incident through the first member 1. The coloring of the coloring material 2 passes through the first member 1 having light transparency and is radiated to the outside. Therefore, a colored pattern according to the pattern of the coloring material 2 is obtained.

The coloring material 2 includes a first member 1 and a second member 3.
It is provided in the sealed space 4 between and. Therefore, the coloring material 2 is shielded from the external atmosphere, and the durability is significantly improved.

The first member 1 may be transparent, semi-transparent, colored or uncolored as long as it can transmit light.

The second member 3 is generally the first member 1.
It is made of a light transmissive material or a light non-transmissive material having a lower light transmissivity. The second member 3 preferably has a coloring different from that of the coloring material 2.

One of the advantages of the color forming device according to the present invention is that it has the above-mentioned structure and characteristics, so that it can be applied to various uses such as a sign, a signboard, a nameplate or an accessory.

The color-forming material 2 can be widely used as long as it has photosensitivity to develop a color upon receiving light irradiation. One of such coloring materials 2 contains an organic photochromic compound. More specifically, there is a coloring material 2 that contains a spirooxazine-based organic photochromic compound and that is colored by ultraviolet rays. The coloring material 2 of this kind has an ultraviolet ray (300 to 400).
(nm) ultraviolet light is emitted to develop a color, and heat or visible light is irradiated to reversibly return to the original color. Specific products include "PHOTOROMR 1" and "PHOTORO" manufactured by Nippon Chemix Corporation.
"MR 2", "PHOTOROMR 12", "PHOTOROMR 14", "PHOTOROMR 1"
5 ”,“ PHOTOROMR 16 ”,“ PHOTOROMR 19 ”and the like. Since these have different coloring and melting temperatures,
Select as required.

Another example of the coloring material 2 is a material containing a pigment that emits fluorescence upon irradiation with ultraviolet rays. As a specific product, there is "Kemicolor BL" manufactured by Nippon Chemis. This coloring material is white under visible light, but fluoresces when irradiated with ultraviolet rays.
Since “Chemicolor BL” that presents eight kinds of colors of red, green, blue, yellow, yellow-green, pink, white, and purple is prepared, the colors can be selected as necessary.

The coloring material 2 may further contain a light storing agent. In this case, the color-forming material 2 may contain a luminous agent having no adhesiveness as a main component, or may be a luminous agent containing a luminous agent. A preferred example of the phosphorescent agent is
(Yes) "Kemicolor NL" manufactured by Nippon Chemix Corporation.
This phosphorescent agent contains ZnS as a main component and contains plural kinds of rare earth components, and has extremely high luminance (10 times or more as compared with the related art) and long afterglow time (6 to 8 hours). As the adhesive component of the phosphorescent adhesive, an adhesive that is chemically stable to the phosphorescent agent is used. It has been confirmed that the epoxy resin satisfies this condition in combination with "Chemicolor NL".

FIG. 2 is a sectional view showing another embodiment of the color forming device according to the present invention. In this embodiment, the second member 3 is provided with a plurality of recesses 31 and the coloring material 2 is disposed inside the recesses 31. Then, the first member 1 is arranged on one surface of the second member 3 so as to seal the recess 31. The first member 1 is bonded onto the second member 3 by adhesive or mechanical bonding means. As a result, the sealed space 4 is formed by the recess 31. The details of the first member 1, the coloring material 2 and the second member 3 are as described above.

In the embodiment, the sealed space 4 is provided at a plurality of locations, and correspondingly, there are a plurality of combinations of the first member 1 and the color developing material 2. With such a structure, a pattern according to the number, shape, and arrangement of the sealed spaces 4 can be formed, so that the coloring material 2 can generate a coloring pattern having a certain pattern. This feature is useful for signs, signs, nameplates, accessories, etc. that require certain patterns.

FIG. 3 is a sectional view showing another embodiment of the color forming device according to the present invention. In this embodiment, a plurality of recesses 11 are provided in the first member 1 having optical transparency, and the coloring material 2 is disposed inside the recesses 11. And recess 1
The first member 1 is sealed so that the second member
The member 3 of FIG. The first member 1 and the second member 3 are connected to each other by an adhesive or a mechanical connecting means. As a result, the sealed space 4 is formed by the recess 11. The details of the first member 1, the coloring material 2 and the second member 3 are as described above.

FIG. 4 is a sectional view showing another embodiment of the color forming apparatus according to the present invention. In this embodiment, the second member 3 is provided with a plurality of recesses 31 and the coloring material 2 is disposed inside the recesses 31. Then, the recess 31 on the coloring material 2
The first member 2 is fitted therein by a means such as fitting and bonding, and the sealed space 4 is formed by the recess 31. The first member 1 may be transparent, semi-transparent, colored or non-colored as long as it can transmit light. When the coloring device is used as an accessory, the first member 1 is
It can also be composed of jewelry such as sapphire.
Alternatively, it may be made of light-transmissive plastic, glass or the like having low decorativeness. The coloring material 2 is as described above.

In the embodiment, the sealed spaces 4 are provided at a plurality of locations, and correspondingly, there are a plurality of combinations of the first member 1 and the color developing material 2. With such a structure, a pattern according to the number, shape, and arrangement of the sealed spaces 4 can be formed, so that the coloring material 2 can generate a coloring pattern having a certain pattern.

FIG. 5 is a sectional view of another embodiment of the color-forming device according to the present invention, and FIG. 6 is a plan view of the color-forming device shown in FIG. In this embodiment, a plurality of recesses 31 are provided in the second member 3 made of a light impermeable material, and the coloring material 2 is disposed inside the recesses 31. Then, the first member 1 having optical transparency is arranged on one surface of the second member 3 so as to seal the recess 31. The first member 1 is bonded onto the second member 3 by adhesive or mechanical bonding means. As a result, the sealed space 4 is formed by the recess 31. The details of the first member 1 and the coloring material 2 are as described above.

The feature of this embodiment is that since the second member 3 is made of a light opaque material, a coloring pattern having a pattern according to the shape of the recess 31 can be obtained. This feature is also suitable for being applied to a sign, a signboard, a nameplate, or the like.

FIG. 7 is a sectional view showing still another embodiment of the color-forming device according to the present invention, and FIG. 9 is a plan view of the color-forming device shown in FIG. In this embodiment, the first member 1 having a light transmitting property is formed in a block shape. Then, on the bottom of the first member 1 formed in a block shape, the coloring material 2
By providing a concave portion 11 into which the color material 2 is contained, the concave portion 11 is covered with the second member 3.
To form a sealed space 4. The first member 1 is formed in a dish shape, and the light shielding layer 6 is provided inside the ring-shaped end surface 12.

Natural light or artificial light is incident from the ring-shaped end face 12 of the first member 1 having a light transmitting property, passes through the inside of the first member 1 and reaches the coloring material 2. The color-forming material 2 has photosensitivity that develops color by receiving light irradiation. Therefore, the coloring material 2 is colored by the natural light or the artificial light incident through the first member 1. The color of the coloring material 2 passes through the first member 1 having a light transmitting property and is radiated to the outside from the ring-shaped end face 12. Therefore, the ring-shaped end surface 1
A colored pattern according to the pattern 2 is obtained. Such a color-developing device is effective as a decoration for an ashtray, for example.

Although the present invention has been described with reference to the preferred embodiments, it is obvious that those skilled in the art can make various modifications based on the basic technical idea, teaching and scope of the present invention. is there.

[0030]

As described above, according to the present invention, the following effects can be obtained. (A) It is possible to provide a long-life coloring device having excellent durability. (B) Like signs, signs, nameplates or accessories,
It is possible to provide a highly versatile color-developing device that can be applied to various uses.

[Brief description of drawings]

FIG. 1 is a cross-sectional view schematically showing a configuration of a color forming device according to the present invention.

FIG. 2 is a cross-sectional view showing another embodiment of the color forming device according to the present invention.

FIG. 3 is a cross-sectional view showing still another embodiment of the color forming device according to the present invention.

FIG. 4 is a sectional view showing still another embodiment of the color forming device according to the present invention.

FIG. 5 is a sectional view showing still another embodiment of the color forming device according to the present invention.

FIG. 6 is a plan view of the color forming device shown in FIG.

FIG. 7 is a cross-sectional view showing still another embodiment of the color forming device according to the present invention.

FIG. 8 is a plan view of the color-developing device shown in FIG.

[Explanation of symbols]

 1 First member 2 Coloring material 3 Second member

Claims (9)

[Claims] 1. A color-developing device including a first member, a color-developing material, and a second member, wherein the first member has a light-transmitting property and is between the second member. So that a sealed space is formed in the second member, the color forming material has a photosensitivity to develop a color by receiving light irradiation,
A color-developing device disposed in the sealed space between the first member and the second member. 2. The color forming device according to claim 1, wherein the color forming material includes an organic photochromic compound. 3. The color-developing device according to claim 2, wherein the color-developing material contains a spirooxazine-based organic photochromic compound and emits a color by ultraviolet rays. 4. The color-developing device according to claim 1, wherein the color-developing material contains a pigment that emits fluorescent light when irradiated with ultraviolet rays. 5. The color-developing device according to claim 1, wherein the color-developing material contains a luminous agent. 6. The color-developing device according to claim 5, wherein the phosphorescent agent contains ZnS as a main component and contains at least one rare earth component. 7. The color forming apparatus according to claim 1, wherein the color forming material is mixed with an adhesive component to form an adhesive, and the adhesive forms the first member with the first member. Coloring device that adheres to the second member. 8. The color forming device according to claim 1, wherein the color forming device is used as an accessory. 9. The color-developing device according to claim 8, wherein the first member is a jewel having a light-transmitting property.