Luminescent base for signs and signs using the same

Abstract

To form a base used in a luminescent sign from a luminescent resin itself, to provide a sign with a higher light emission luminance compared to a sign with a base made of metal or the like, and also provide a sign with a simpler manufacturing cost and an inexpensive manufacturing cost.SOLUTION: Provided is a luminescent base 0110 for a sign integrally molded with a resin containing a luminescent material. The luminescent base 0110 for a sign has: a bottom surface part 0120 in which an inner bottom surface 0121 for arranging a thin pieces constituting a sign is flat; and a wall surface part 0130 that is provided around the inner bottom surface to serve as a tray for a transparent resin to protect the thin piece constituting the sign arranged on the inner bottom surface. Also, provided is a sign 0600 in which a thin piece 0601 constituting a sign is arranged on the inner bottom surface of such a luminescent base for a sign.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a base for use in a phosphorescent label and a phosphorescent label.

Background Art

[0002] As a configuration of a phosphorescent label, conventionally, a reflective layer, a phosphorescent layer, and non-luminescent thin flakes constituting a label are sequentially arranged on a plate-shaped base made of metal, ceramic, etc., and a transparent resin layer for protecting these is further arranged on the upper layer thereof (for example, see Patent Document 1). Further, a configuration in which a reflective layer, a phosphorescent layer, thin flakes, and a transparent resin layer are arranged in a concave portion of a bowl-shaped base made of metal, ceramic, etc. in the same manner as above is also known (for example, see Patent Document 2).

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0004] The emission luminance of a phosphorescent label becomes higher as the thickness of the phosphorescent layer is thicker up to a certain extent. In this case, the thicker the phosphorescent layer, the thicker the entire label naturally becomes. On the other hand, from the viewpoint of preventing a person from hitting the label and getting injured or an object from hitting the label and being damaged, it is better that the thickness of the entire label is as thin as possible. Therefore, in order to harmoniously satisfy both requirements, it can be said that it is desirable to be able to ensure that the thickness of the phosphorescent layer occupied therein is as thick as possible while making the thickness of the base made of metal, etc. as thin as possible.

[0005] Furthermore, eliminating the need for a metal or other base would reduce the overall thickness, allowing for maximum thickness of the phosphorescent layer, which is even more desirable.

[0006] Luminous signs are not limited to those placed on roads or floors; many are also placed in locations where they are not likely to be run over by vehicles or people, or bumped into by people or objects, such as high positions on walls or ceilings. Luminous signs placed in such locations do not require a base made of highly rigid materials such as metal or ceramic. In such cases, if the base can be formed from the luminous resin itself without using a metal or ceramic base, the thickness of the luminous layer can be maximized, making it possible to provide signs with higher luminescence than those with a metal or other base, provided the overall thickness of the sign is the same. Furthermore, signs without a metal or other base are expected to have a simpler manufacturing process and lower manufacturing costs compared to those with a metal or other base.

[0007] This invention addresses these problems. Specifically, the problem to be solved by this invention is to provide a sign with higher luminescence brightness compared to signs with a metal or other base, by forming the base used for the sign from the phosphorescent resin itself, and to provide a sign with a simpler manufacturing process and lower manufacturing costs. [Means for solving the problem]

[0008] To solve the above problems, the first invention provides a phosphorescent base for signage integrally molded from a resin containing a phosphorescent material, having a bottom portion with a flat inner bottom surface for arranging thin pieces constituting a sign, and a wall portion provided around the inner bottom surface to serve as a transparent resin tray for protecting the thin pieces constituting the sign arranged on the inner bottom surface. The second invention, building upon the first invention, provides a phosphorescent base for marking, wherein the outer bottom surface, located on the outside of the bottom surface, is provided with a reflective layer for reflecting light incident from the inner bottom surface. The third invention, based on the first or second invention, provides a phosphorescent base for marking, in which the resin containing the phosphorescent material is thermoplastic and flexible at room temperature (flexible enough to conform to a curved surface with a radius of at least 20 centimeters). The fourth invention, based on any of the first to third inventions, provides a phosphorescent base for labeling in which the resin containing the phosphorescent material has a silicone resin as its main component. The fifth invention is based on any of the first to fourth inventions, and further The transparent resin This provides a phosphorescent base for signage that is placed in the aforementioned tray. The sixth invention, based on any of the first to fifth inventions, provides a phosphorescent base for labeling in which the transparent resin can be easily peeled off from the inner bottom surface constituting the tray. The seventh invention, based on any of the first to sixth inventions, provides a phosphorescent base for marking, wherein the transparent resin has the same main component as the resin of the bottom surface and the wall surface, excluding the phosphorescent material. The eighth invention provides a sign in which a thin piece constituting the sign is arranged on the inner bottom surface of a phosphorescent base for signage according to any of the first to seventh inventions. The ninth invention, building upon the eighth invention, provides a sign that is a flexible cutting film. The tenth invention, building upon the ninth invention, provides a sign in which the cutting film is a retroreflective film. The eleventh invention is based on the eighth invention and provides a sign using a phosphorescent base for signage according to the second invention, which has an adhesive layer further below the reflective layer arranged on the outer bottom surface. [Effects of the Invention]

[0009] According to the present invention, by forming the base used for the phosphorescent sign from the phosphorescent material itself, it is possible to provide a sign with higher luminescence brightness compared to one that uses a base made of metal or the like, and to provide a sign that is easier to manufacture and has lower manufacturing costs. [Brief explanation of the drawing]

[0010] [Figure 1] Figure showing an example of the shape of the phosphorescent base for signs in Embodiment 1 [Figure 2A] Figure showing an example of the flow of the process according to the molding method of the phosphorescent base for signs in Embodiment 1 [Figure 2B] Figure showing an example of the flow of the process according to the molding method of the phosphorescent base for signs in Embodiment 1 [Figure 3] Figure showing an example of the shape of the mold used for molding the phosphorescent base for signs in Embodiment 1 [Figure 4] Figure showing an example of the shape of the phosphorescent base for signs in Embodiment 2 [Figure 5] Figure showing an example of the flow of the process according to the molding method of the phosphorescent base for signs in Embodiment 2 [Figure 6] Figure showing an example of the shape of the sign in Embodiment 8 [Figure 7] Figure showing an example of the shape of the sign in Embodiment 8 [Figure 8] Figure showing an example of the flow of the process according to the manufacturing method of the sign in Embodiment 8 [Figure 9] Figure showing an example of the shape of the sign in Embodiment 11 [Figure 10] Figure showing an example of the shape of the phosphorescent base for signs in Embodiment 5

Explanation of Reference Signs

[0011] 0110 Phosphorescent base for signs 0120 Bottom surface part 0121 Inner bottom surface 0122 Outer bottom surface 0130 Wall surface part 0440 Reflective layer 0600 Sign 0601 Flake 0602 Transparent resin 0960 Adhesive layer

Modes for Carrying Out the Invention

[0012] The embodiments of the present invention will be described below. The mutual relationship between the embodiments and the claims is as follows. Embodiment 2 mainly relates to claim 2, Embodiment 3 mainly relates to claim 3, Embodiment 4 mainly relates to claim 1, Embodiment 5 mainly relates to claim 1, Embodiment 6 mainly relates to claim 4, Embodiment 7 mainly relates to claim 1, Embodiment 8 mainly relates to claim 5, Embodiment 9 mainly relates to claim 6, Embodiment 10 mainly relates to claim 7, Embodiment 11 mainly relates to claim 8. Embodiment 1 also relates to an invention related to the invention described in these claims.Furthermore, the present invention is not limited in any way to these embodiments, and can be implemented in various forms without departing from its essence.

[0013] This embodiment is Inventions related to the inventions described in Claims 1 to 8 Regarding.

[0014] <Embodiment 1: Overview> The phosphorescent base for marking according to this embodiment is integrally molded from a resin containing a phosphorescent material and has a bottom portion with a flat inner bottom surface for arranging thin pieces constituting the marking, and a wall portion provided around the inner bottom surface to serve as a transparent resin tray for protecting the thin pieces constituting the marking placed on the inner bottom surface.

[0015] <Embodiment 1: Configuration> (General) Figure 1 shows an example of the shape of the phosphorescent base for marking according to this embodiment. Of these, (a) is a plan view showing the overall shape, and (b) is a cross-sectional view of (a) XX. As shown in the figure, the phosphorescent base 0110 for marking according to this embodiment has a tray-like shape with a bottom portion 0120 (generally the portion indicated by the upward sloping diagonal line to the left in Figure 1(b)) and a wall portion 0130 (generally the portion indicated by the upward sloping diagonal line to the right in Figure 1(b)).

[0016] In the present invention, the phosphorescent base for labeling refers to a resin containing a phosphorescent material, in which the entire structure, including the bottom and wall surfaces, is integrally molded from the phosphorescent material-containing resin. Details of the molding method will be described later, but for example, a method is used in which phosphorescent powder is mixed with a liquid resin and then the resin is solidified.

[0017] (Luminous material) As a phosphorescent material, for example, strontium aluminate-based phosphorescent powder can be used. Strontium aluminate-based phosphorescent powder refers to a material in which small amounts of europium (Eu), dysprosium (Dy), boron (B), etc., are added to a strontium aluminate salt as the parent crystal. The phosphorescent resin may be uniformly distributed within the resin, or it may be unevenly distributed, for example, to form a gradient.

[0018] (Resin containing phosphorescent material) For example, silicone resin can be used as the resin containing the phosphorescent material. An example of using silicone resin will be described later in Embodiment 4. In addition, vinyl chloride resin, polypropylene resin, polycarbonate resin, urethane resin, acrylic resin, olefin elastomer, ABS (Acrylonitrile-Butadiene-Styrene) resin, AS (Acrylonitrile-Styrene) resin, PET (PolyEthylene-Terephthalate) resin, etc. may also be used. It is desirable that the resin containing the phosphorescent material has as high transparency as possible in order to maintain high luminescence brightness, and it is desirable that the light transmittance (the percentage of incident light of a specific wavelength that passes through the sample), which is one of the indicators for measuring transparency, be about 85 to 95 percent. In this respect, acrylic resin (light transmittance of 92 percent) and silicone resin (light transmittance of 90 percent) are suitable.

[0019] (Materials and dimensions of phosphorescent base for signage) The shape and dimensions of the phosphorescent base for signage are appropriately designed to suit the shape and dimensions of the signage or other signage to which it will be used. For example, in addition to the approximately square shape of the base shown in Figure 1, other possible shapes include approximately triangular, rectangular, other approximately polygonal, approximately circular, and approximately elliptical shapes. As an example of dimensions, for example, in the case of the approximately square shape shown in Figure 1, the length and width are approximately 200 millimeters each, and the height is approximately 10 millimeters.

[0020] (bottom part) The bottom portion is the part that constitutes the flat surface (the surface on which objects are placed in a tray) of the luminescent base for marking. The bottom portion is a plate-like member having an inner bottom surface 0121 that forms its upper surface and an outer bottom surface 0122 that forms its lower surface, and in the example shown in Figure 1, it has a roughly rectangular parallelepiped shape.

[0021] The inner bottom surface is flat. This is to allow for the arrangement of thin slices for forming the marker in a planar manner. However, the portion of the inner bottom surface where the thin slice is placed may be formed to be recessed by the thickness of the slice to match its shape (an example of the slice thickness is approximately 0.01 to 1 millimeter, as described later). In this case, the inner bottom surface and the slice will be flush when the slice is placed. In this invention, "the inner bottom surface is flat" is a concept that includes the state in which the portion where the thin slice is placed is recessed by the thickness of the slice to match its shape.

[0022] The outer bottom surface is the surface used for attaching the sign to a wall or ceiling using adhesive, and is designed appropriately according to the surface shape of the wall or ceiling to which it is attached. Typically, the outer bottom surface is also flat for attachment to flat walls or ceilings. It should be noted that the statement that the inner and outer bottom surfaces are flat refers only to the shape of the phosphorescent base for signs before it is formed into a sign. Therefore, it is perfectly acceptable for the shape of the phosphorescent base for signs to deform according to the shape of the sign when it is formed into a sign. For example, as will be described later, in the case of a sign attached along the side of a cylindrical column on a subway station platform, the shape of the bottom surface of the phosphorescent base for signs becomes curved according to the shape of the sign, and therefore the shapes of the inner and outer bottom surfaces also become curved, but this does not contradict the fact that the inner bottom surface of the phosphorescent base for signs is flat. Examples of flexible resins suitable for such applications will be described later in Embodiment 3.

[0023] When forming a marker using a phosphorescent base for markers, thin pieces constituting the marker are placed on the inner bottom surface, and a transparent resin is placed on top of that to protect the pieces. In this case, it is desirable to make the phosphorescent layer as thick as possible to increase the luminescence brightness, and to make the overall thickness of the marker as thin as possible, it is desirable to make the ratio of the total height of the phosphorescent base for markers as large as possible. Figure 1(c) shows an example of this dimensional ratio, and is an enlarged view of the area enclosed by the dashed circle A in Figure 1(b), where h1 is the total height of the phosphorescent base for markers and h2 is the thickness of the bottom surface. An example of suitable dimensions and dimensional ratios for both is when the overall height h1 of the phosphorescent base for marking is 9 to 11 millimeters, the thickness h2 of the base is 8 to 10 millimeters, and the ratio of the thickness of the base to the overall height of the phosphorescent base for marking (h2 / h1) is approximately 89 to 91 percent. More preferably, the overall height h1 of the phosphorescent base for marking is 10 millimeters, the thickness h2 of the base is 9 millimeters, and the ratio of the thickness of the base to the overall height of the phosphorescent base for marking (h2 / h1) is 90 percent.

[0024] (Wall section) The wall portion is a wall-like section erected on the periphery of the phosphorescent base for marking, and has an inner wall surface that is usually a plane rising vertically from the inner bottom surface facing the recess. By providing this wall portion, the phosphorescent base for marking becomes a basin-shaped structure with a recess in the center. This recess serves as a receptacle for the transparent resin that is placed to protect the thin pieces that make up the sign when forming a sign using the phosphorescent base for marking. As mentioned above, it is desirable that the ratio of the thickness of the bottom portion to the total height of the phosphorescent base for marking be as large as possible, in other words, it is desirable that the height from the inner bottom surface to the top of the wall portion (indicated by the symbol h3 in Figure 1) be as low as possible. An example of this dimension, following the example dimensions described in the previous paragraph, is approximately 1 millimeter.

[0025] <Embodiment 1: Processing Flow> Next, the molding method for the phosphorescent base for marking according to this embodiment will be described.

[0026] Figures 2A and 2B show an example of the processing flow related to the molding method for a phosphorescent base for labeling according to this embodiment, and illustrate an example in which a phosphorescent material is mixed with a liquid resin and cured. As for the liquid resin, as described below, there are two possibilities: using a thermoplastic resin that is solid at room temperature, and using a thermosetting resin that is liquid at room temperature. Using a thermoplastic resin takes advantage of its property that it can reversibly change between a liquid state and a solid state depending on the temperature. On the other hand, using a thermosetting resin that is liquid at room temperature takes advantage of the fact that the phosphorescent material can be mixed with the liquid resin at room temperature without going through a solidification procedure. As a thermoplastic resin that is solid at room temperature, for example, acrylic resin (melting point 90 to 105 degrees Celsius) can be used. On the other hand, as a thermosetting resin that is liquid at room temperature, for example, a liquid material consisting of phenyl silicone (product name X-32-3360AB) manufactured by Shin-Etsu Chemical Co., Ltd. can be used.

[0027] Figure 2A shows the processing flow when using a thermoplastic resin that is solid at room temperature. As shown in this figure, first, in step S0201, which is the preparation step of the phosphorescent base material for labeling, the phosphorescent material, such as phosphorescent powder, and the resin for mixing it are prepared.

[0028] Next, in the resin liquefaction step S0202, the resin prepared in step S0201 is heated above its melting point to liquefy it.

[0029] Next, in step S0203, the phosphorescent material prepared in step S0201 is added to the resin liquefied in step S0202 (hereinafter, this liquid resin into which the phosphorescent material has been added will be referred to as the "mixture" for convenience). In order to ensure that the uniform distribution of the phosphorescent material is not impaired, that is, to allow the material to harden before it settles, a hardening agent that promotes hardening may be added to the mixture.

[0030] Next, in the stirring step S0204, the mixture is stirred. This is to ensure that the phosphorescent material is evenly distributed within the liquid resin.

[0031] Next, in the mold pouring step S0205, the mixed liquid that was stirred in step S0204 is poured into the mold.

[0032] Figure 3 shows an example of the shape of a mold used for molding a phosphorescent base for marking in this embodiment. (a) is a plan view showing the overall shape, and (b) is a cross-sectional view of (a) XX. The mold 0370 shown in this figure has a recess 0371 with a shape corresponding to the shape of the phosphorescent base for marking to be molded. It is also desirable that a wall portion 0372 (shown by diagonal lines in (b)) is provided around the recess. The volume of liquid resin poured into the recess is designed in advance so that the volume of the phosphorescent base for marking after solidification matches the volume to be obtained, but since it shrinks slightly upon solidification, it is conceivable to pour in an amount slightly larger than the volume of the recess. Therefore, by providing this wall portion, it is possible to prevent the liquid resin from overflowing from the mold. (c) shows the state in which liquid resin 0374 is placed in the recess. (d) is an enlarged view of the area enclosed by the dashed circle B in (c). As shown in these figures, the height from the inner bottom surface 0371a of the liquid resin to the top of the recess (lower end of the wall) is h4, while the liquid resin is filled up to a height of h5 (h5 > h4) from the inner bottom surface, and the wall prevents the liquid resin from overflowing. The mold can be made of metal such as stainless steel or ceramic. In the example shown in these figures, the part of the mold corresponding to the inner wall of the phosphorescent base for marking is slightly inclined, which is to make it easier to remove from the mold after hardening. Therefore, from this viewpoint, it is desirable for this part of the mold to be slightly inclined, but of course, it is also acceptable for the inner wall of the wall to be vertical, as shown in Figure 1, etc., and in this case, unlike the example in Figure 3, a mold with a vertical part corresponding to the inner wall of the wall is used.

[0033] Returning to Figure 2A, the next step is curing in step S0206, where the mixture is allowed to stand and harden. At this time, the mold may be cooled to accelerate hardening. By adding a different type of phosphorescent material to the standing mixture from the one mixed during the initial mixing process, various variations in the distribution of phosphorescence can be created. This is because adding the phosphorescent material just before the material completely hardens allows it to solidify before it can disperse throughout the mixture. The added phosphorescent material may be added in a state mixed with the solvent, or it may be added by scattering powdered phosphorescent material. Furthermore, by adjusting the particle size of the added phosphorescent material, it is possible to control how deep the added phosphorescent material settles, thus allowing for the systematic adjustment of particle size to create various variations.

[0034] Furthermore, in the release step S0207, the resin containing the phosphorescent material cured in step S0206 is released from the mold. To facilitate this release, a release agent such as a silicone-based release agent may be applied to the mold before pouring in the mixture. With the above steps, the phosphorescent base for labeling according to this embodiment is completed.

[0035] Figure 2B shows the processing flow when using a thermosetting resin that is liquid at room temperature. As shown in this figure, first, in step S0201, which is the preparation step for the phosphorescent base material for labeling, the phosphorescent material, such as phosphorescent powder, and the liquid resin for mixing it are prepared.

[0036] Next, in step S0202, the phosphorescent material is added to the liquid resin prepared in step S0201. As with the process using thermoplastic resin, a hardening agent may be added at this stage.

[0037] Next, in the stirring step S0203, the mixture is stirred.

[0038] Next, in the mold pouring step S0204, the mixed liquid that was stirred in step S0203 is poured into the mold as liquefied resin.

[0039] Next, in curing step S0205, the mixture poured into the mold in step S0204 is heated and cured. This heating is performed, for example, by placing the mold containing the mixture on a hot plate and heating it at 150 degrees Celsius for about 30 minutes. In this curing step, various variations in the distribution of phosphorescence can be created by adding a different type of phosphorescent material than the one mixed during the mixing process, as described above for processing with thermoplastic resins. Alternatively, a resin that hardens by being left to stand at room temperature (for example, at 23 degrees Celsius for 24 hours) may be used.

[0040] Furthermore, in the release step S0206, the resin containing the phosphorescent material cured in step S0205 is released from the mold. To facilitate this release, a release agent such as a silicone-based release agent may be applied to the mold before pouring in the mixture, as described above for the process using thermoplastic resins. With the above steps completed, the phosphorescent base for labeling according to this embodiment is completed.

[0041] In addition, the above describes an example in which a phosphorescent base for marking is molded using one mold. However, it is also possible to use two or more molds for molding. In this case, for example, a mold designed so that a space corresponding to the shape of the phosphorescent base for marking is formed inside when sandwiched between two molds (one above the other), is used, and the mixed liquid is injected into the space formed by sandwiching using an injection molding method and then cured.

[0042] (Features of the invention according to this embodiment) As described above, the phosphorescent base for signs according to this embodiment differs from conventional phosphorescent signs in that the light-emitting part containing the phosphorescent material and the base part, such as a metal plate that houses it, are composed of separate components. Instead, the light-emitting part containing the phosphorescent material also serves as the base part. Such a phosphorescent base for signs can be manufactured simply by pouring a liquid resin containing the phosphorescent material into a mold and allowing it to harden, making the manufacturing process extremely simple. Furthermore, since one mold can be repeatedly used for signs of the same dimensions and shape, there is no need to prepare a metal or other base for each individual sign, as in the past, thus reducing manufacturing costs.

[0043] When forming a mark using a phosphorescent base for marking, for example, a thin piece constituting the marking can be placed in the recess (as described above, the space on the inner bottom surface surrounded by the wall portion), and the remaining space can be filled with transparent resin so as to be flush with the top of the wall portion (i.e., so as to fill the entire space of the recess). Alternatively, it is also possible to fill the entire space of the recess with transparent resin without placing a thin piece. Details of these will be described later in the embodiment of the marking. Furthermore, the mark can be used as is without filling the space of the recess, in which case the phosphorescent base for marking itself is the mark.

[0044] <Embodiment 1: Effects> According to the invention of this embodiment, by forming the base used for the phosphorescent sign from the phosphorescent material itself, it is possible to provide a sign with higher luminescence brightness compared to one that uses a base made of metal or the like, and to provide a sign that is easier to manufacture and has lower manufacturing costs. <Embodiment 2>

[0045] This embodiment mainly relates to claim 2, etc.

[0046] <Embodiment 2: Overview> The phosphorescent base for marking according to this embodiment is basically the same as the phosphorescent base for marking of Embodiment 1, but is characterized in that the outer bottom surface, which is located on the outside of the bottom surface, is provided with a reflective layer to reflect light incident from the inner bottom surface.

[0047] <Embodiment 2: Configuration> (General) Figure 4 shows an example of the shape of the phosphorescent base for marking according to this embodiment, and is shown as a cross-sectional view similar to that of Figure 1. As shown in the figure, the phosphorescent base for marking according to this embodiment 0410 has a reflective layer 0440 provided on the outer bottom surface 0422 of the bottom surface portion 0420. The remaining configuration is the same as that of the phosphorescent base for marking described in Embodiment 1, so its description is omitted.

[0048] (reflective layer) The reflective layer is designed to reflect light incident from the inner bottom surface, thereby increasing the luminescence of the phosphorescent base used for labeling.

[0049] The reflective layer is provided by uniformly applying a reflective material to the outer bottom surface of the bottom portion of the integrally molded phosphorescent base for marking, or by attaching a film made of reflective material (reflective film) to the outer bottom surface. It is preferable to use a white material for the reflective material. When positioning the reflective layer, it should be positioned so that the reflective surface faces the outer bottom surface, i.e., facing the phosphorescent resin side. Titanium oxide is a particularly suitable material. Furthermore, as for the reflective film, it is preferable to use an opaque material so that light does not pass through and reduce the amount of reflected light. For example, Scotchcal® film (JS1000 series opaque type, white) manufactured by Sumitomo 3M can be used.

[0050] As shown in Figure 4(a), the reflective layer may be placed on the entire outer bottom surface of the bottom portion, or it may be placed on a part of the outer bottom surface, such as at the lower part of the inner bottom surface.

[0051] Furthermore, as shown in Figure 4(b), a protective member 0450 may be placed to cover and protect the reflective layer. A resin film or the like is a possible protective member. Alternatively, this protective member may also serve as an adhesive layer for attaching the sign to a surface such as a wall. The adhesive layer will be described later in Embodiment 11.

[0052] The thickness of the reflective layer is appropriately designed according to the dimensions of the phosphorescent base for the sign, etc., but one example is that when the dimensions of the phosphorescent base for the sign are those exemplified in Embodiment 1, it is about 0.2 millimeters.

[0053] <Embodiment 2: Processing Flow> Next, the molding method for the phosphorescent base for marking according to this embodiment will be described.

[0054] Figure 5 shows an example of the processing flow for the molding method of the phosphorescent base for labeling according to this embodiment, and, similar to the example described in Embodiment 1, it shows an example in which a phosphorescent material is mixed with a liquid resin and cured. In this figure, the explanation is given in the case where a thermoplastic resin that is solid at room temperature is used as the liquid resin.

[0055] The processing flow in the steps shown in this figure, specifically the preparation step S0501 of the phosphorescent base material for labeling, the liquefaction step S0502 of the resin, the addition step S0503 of the phosphorescent material, the stirring step S0504, the pouring into the mold S0505, the curing step S0506, and the release step S0507, is the same as that described in Embodiment 1 using Figure 2A.

[0056] Furthermore, in the reflective layer installation step S0508, a reflective layer such as titanium dioxide is applied to the outer bottom surface of the phosphorescent base for marking, which was released from the mold in step S0507, by means of coating or attaching reflective tape. Although not shown in the figures, if a thermosetting resin that is liquid at room temperature is used as the liquid resin, the same processing as in the reflective layer installation step described above is performed after each step S0201 to S0205 explained with reference to Figure 2B in Embodiment 1.

[0057] Alternatively, in a procedure different from that shown in Figure 5, during the curing step, just before the phosphorescent resin is completely cured, a reflective layer may be formed by pouring or coating a solution of titanium dioxide or other materials dissolved in a solvent such as alcohol onto the surface of the phosphorescent resin, or by attaching reflective tape, and then the phosphorescent resin with the reflective layer formed on it may be released. Performing this just before the phosphorescent resin is completely cured has the effect of making the reflective layer less likely to peel off.

[0058] Alternatively, in a procedure different from that shown in Figure 5, after the phosphorescent resin has completely hardened in the curing step, a reflective material such as titanium dioxide powder may be mixed with a liquid transparent resin and stirred, and then poured in to form a reflective layer. After that, the phosphorescent resin with the reflective layer formed on it may be demolded. In this case, it is desirable that the liquid transparent resin to which the reflective material is mixed is the same material as the liquid transparent resin to which the phosphorescent material is mixed. By doing so, it becomes possible to form the reflective layer so that it is tightly attached and integrated with the phosphorescent resin.

[0059] <Embodiment 2: Effects> According to the invention of this embodiment, it is possible to further increase the luminescence brightness of the phosphorescent base for marking. <Embodiment 3>

[0060] This embodiment mainly relates to claim 3, etc.

[0061] <Embodiment 3: Overview> The phosphorescent base for marking according to this embodiment is basically the same as the phosphorescent base for marking of Embodiment 1 or Embodiment 2, but is characterized in that the resin containing the phosphorescent material is thermoplastic and flexible at room temperature (flexible enough to follow a curved surface of at least R20 centimeters).

[0062] <Embodiment 3: Configuration>

[0063] The phosphorescent base 0400 for marking in this embodiment has a resin containing phosphorescent material that is thermoplastic and flexible at room temperature (flexible enough to follow a curved surface with a radius of at least 20 centimeters). The remaining components are the same as those of the phosphorescent base for marking described in Embodiment 1 or Embodiment 2, so their description is omitted.

[0064] The purpose of giving the phosphorescent base for signs such flexibility is that, for example, when attaching signs using the phosphorescent base to the side of cylindrical pillars in subway station platforms or underground shopping areas, it may be necessary to attach signs using the phosphorescent base to curved surfaces. In such cases, the phosphorescent base can be freely curved at the installation site according to the shape of the surface to which it is to be attached.

[0065] Here, "room temperature" generally refers to a temperature within the range of 5 to 35 degrees Celsius. Furthermore, "following a curved surface with a radius of at least 20 centimeters" means that it can be curved to fit snugly along the side of a cylinder with a radius of 20 centimeters or more. Since cylindrical columns in subway station platforms and underground shopping areas often have radii of around 20 centimeters or more, flexibility to follow a curved surface with a radius of 20 centimeters is sufficient in most cases. However, in above-ground stations, considering factors such as relatively less structural strength and the convenience of passenger movement, columns with radii of around 6 to 8 centimeters are relatively common. Therefore, it would be more desirable if the column could follow a curved surface with a radius of at least 6 centimeters.

[0066] Examples of thermoplastic resins with such flexibility include polyvinyl chloride resin, polypropylene resin, polycarbonate resin, acrylic resin, ABS resin, AS resin, and PET resin. For example, flexural strength (kgf / cm 2 Looking at the data, suitable resins include polyvinyl chloride resin (700-1000), polycarbonate resin (960), and PET resin (1300).

[0067] Furthermore, plasticizers such as phthalate esters may be added to the resin. This increases the plasticity of the resin, making it less likely to peel off from curved surfaces without the need for strong adhesives or other fixings.

[0068] Furthermore, if a reflective layer is provided, it is desirable that the reflective layer also be flexible. As such a reflective layer, a reflective film like the one exemplified in Embodiment 2 can be used.

[0069] <Embodiment 3: Effects> According to the invention of this embodiment, there are times when it is necessary to attach a sign using a phosphorescent base for signs to a curved surface. In such cases, it is possible to provide a phosphorescent base for signs that can be freely curved according to the shape of the surface to which it is attached at the installation site. <Embodiment 4>

[0070] This embodiment primarily Claim 1 Regarding things like that.

[0071] <Embodiment 4: Overview> The phosphorescent base for labeling according to this embodiment is basically the same as the phosphorescent bases for labeling of Embodiments 1 to 3, but is characterized in that the main component of the resin containing the phosphorescent material is silicone resin.

[0072] <Embodiment 4: Configuration> (General) The phosphorescent base 0400 for labeling in this embodiment has a silicone resin as the main component of the resin containing the phosphorescent material. Silicone resin is a resin made by introducing organic groups such as methyl groups and benzene rings into the silicon skeleton that makes up glass. When we say that the "main component" is silicone resin, we mean that the resin portion excluding the phosphorescent material is silicone resin. The remaining components are the same as those of the phosphorescent base for labeling described in Embodiments 1 to 3, so we will omit their description.

[0073] For phosphorescent bases used for signage, it is desirable to have the highest possible luminescence brightness. To achieve this, it is desirable to use a resin with high transparency and good transmittance. Silicone resin has the characteristic of being highly transparent and transmittance. Therefore, by making silicone resin the main component of the resin containing phosphorescent material, the luminescence brightness of the phosphorescent base for signage can be increased. In addition, silicone resin has excellent weather resistance, so degradation such as yellowing due to ultraviolet rays can be reduced.

[0074] In particular, phenyl silicone can be considered as a suitable silicone resin. Phenyl silicone is a silicone to which a phenyl group (-C6H5) has been added, and because it has excellent transparency, a more transparent phosphorescent base for labeling can be obtained. A suitable material for this purpose is a liquid material made of phenyl silicone (product name X-32-3360AB) manufactured by Shin-Etsu Chemical Co., Ltd.

[0075] <Embodiment 4: Effects> According to the invention of this embodiment, by making the main component of the resin containing the phosphorescent material a silicone resin, it is possible to further improve the transparency and weather resistance of the phosphorescent base for signage. <Embodiment 5>

[0076] This embodiment primarily Claim 1 Regarding things like that.

[0077] <Embodiment 5: Overview> The phosphorescent base for marking according to this embodiment is basically the same as the phosphorescent bases for marking of Embodiments 1 to 4, but is further characterized in that a transparent resin is placed in the tray.

[0078] <Embodiment 5: Configuration>

[0079] In the phosphorescent base for signage of this embodiment, a transparent resin is placed in the tray. As mentioned above, the "tray" refers to a recess formed by the inner bottom surface and the wall surface formed around it. The remaining components are the same as those described in Embodiments 1 to 4, so their description will be omitted.

[0080] The transparent resin is, quite literally, a transparent resin. "Transparent" includes both colorless and colored transparent resins. Since this transparent resin is placed in a tray for the phosphorescent base for marking and transmits light emitted from the phosphorescent base, it is desirable to use a resin made of the same material as the main component resin of the phosphorescent base for marking, and it is also desirable to place it in close contact with the tray, so as not to attenuate the luminescence. As for the material of the transparent resin, a transparent silicone resin is suitable when the main component resin of the phosphorescent base for marking is a silicone resin, and a transparent resin similar to the resin given as an example of a resin containing phosphorescent material in Embodiment 1 can also be used.

[0081] When placing the transparent resin in the tray, it may be arranged to fill a portion of the space inside the tray, or it may be arranged to fill the entire space inside the tray.

[0082] Figure 10 shows an example of the shape of the phosphorescent base for signage according to this embodiment, where (a) is an example where the transparent resin is arranged to fill part of the space in the tray, and (b) is an example where it is arranged to fill the entire space. In the case of Figure 10(a), it can serve as an intermediate structure for manufacturing the type of signage shown in the cross-sectional view in Figure 7(a). A business model in which this intermediate structure is sold to a manufacturer that ultimately produces the signage is also conceivable.

[0083] Specific methods for arranging the transparent resin include, for example, heating and liquefying a thermoplastic transparent resin, pouring it into a tray, and allowing it to harden at room temperature, or pouring a thermosetting resin that is liquid at room temperature into a tray, heating it, and allowing it to harden. In these cases, a coagulant may be added to accelerate hardening. Alternatively, the resin may be pre-molded to match the shape and dimensions of the tray and then embedded. In this case, a transparent gel film may be sandwiched between the resin and the tray surface to improve the adhesion of the resin to the tray surface. In these cases, it is desirable that the phosphorescent resin, transparent resin, and transparent gel film be made of the same material so as not to impair the luminescence of the phosphorescent base for marking. An example of such a suitable combination is a combination of a phosphorescent resin mainly composed of silicone resin, a silicone transparent resin, and a transparent silicone gel.

[0084] <Embodiment 4: Effects> According to the invention of this embodiment, by arranging the transparent resin in the tray, it is possible to further improve the transparency and weather resistance of the phosphorescent base for signage. <Embodiment 6>

[0085] This embodiment primarily Claim 4 Regarding things like that.

[0086] <Embodiment 6: Overview> The phosphorescent base for marking according to this embodiment is basically the same as the phosphorescent bases for marking of Embodiments 1 to 4, but is characterized in that the transparent resin can be easily peeled off from the inner bottom surface that constitutes the tray.

[0087] <Embodiment 6: Configuration> (General) In the phosphorescent base for marking of this embodiment, a transparent resin is placed in a tray, similar to Embodiment 5, and the transparent resin is configured to be easily peeled off from the inner bottom surface constituting the tray. The remaining configuration is the same as that of the phosphorescent base for marking described in Embodiments 1 to 5, so its description is omitted.

[0088] (Transparent resin: Easily removable from the inner bottom surface) "Easily removable from the inner bottom surface" means that the inner bottom surface can be easily removed using hands or simple tools (such as a spatula) without damaging it. To achieve easily removable surfaces, for example, a release agent such as a silicone-based release agent can be applied to the inner bottom surface of a phosphorescent base for marking or to the back surface of a plate-shaped transparent resin fitted into this base, or a silicone-based release agent sheet can be attached. Silicone gel can be used as the release agent. When using silicone gel as a release agent, a silicone-based transparent resin is an excellent combination as it enhances adhesion while also providing release properties. Once the applied release agent has hardened, a method can be used to place the transparent resin in a tray by pouring in liquid resin and allowing it to harden. When liquid resins are heated to high temperatures, the release agent (e.g., silicone-based release agents) may melt or deteriorate due to the heat. Therefore, it is desirable to use phenyl silicone, a thermosetting transparent resin that is liquid at room temperature, or a thermoplastic transparent resin with a relatively low melting point (e.g., transparent acrylic resin: melting point 90-105 degrees Celsius) as the material for transparent resins.

[0089] The purpose of this configuration is to allow for easy on-site work to create a new sign by, for example, replacing only the thin pieces in a sign that was previously used with thin pieces, thereby creating a new sign that represents a different message. This can be done by first peeling the transparent resin from the inner bottom surface, replacing the thin pieces underneath with different ones, and then repositioning the transparent resin. Another purpose of this configuration is to allow for easy repair of signs by removing the existing thin pieces to create a new sign, adding new thin pieces to a sign that previously lacked them, or replacing only the deteriorated transparent resin or thin pieces with new ones.

[0090] To withstand repeated use in the applications described above, it is desirable that the transparent resin be easy to attach to and detach from the tray. In this case, since resins of the same type generally adhere very tightly and essentially become one, it is conceivable to sandwich a transparent silicone gel between the transparent resin and the tray to facilitate attachment and detachment. On the other hand, resins of different types have low adhesion, so attachment and detachment are easy. However, this also has the disadvantage of being prone to falling off, so it is conceivable to sandwich a silicone gel to prevent this and ensure a reasonable degree of ease of attachment and detachment.

[0091] <Embodiment 6: Effects> According to the invention of this embodiment, the transparent resin is configured to be easily peeled off from the inner bottom surface that constitutes the tray, making it possible to easily replace or repair signs on-site. <Embodiment 7>

[0092] This embodiment primarily Claim 1 Regarding things like that.

[0093] <Embodiment 7: Overview> The phosphorescent base for marking according to this embodiment is basically the same as the phosphorescent base for marking of Embodiment 5 or Embodiment 6, but the transparent resin is characterized in that the main component of the resin, excluding the phosphorescent material, is the same as the main component of the resin of the bottom surface and the wall surface.

[0094] <Embodiment 7: Configuration> (General) In the phosphorescent base for signage of this embodiment, a transparent resin is arranged in the tray, similar to Embodiment 5. The main component of the transparent resin, excluding the phosphorescent material, is the same as the main component of the resin in the bottom and wall portions. The remaining configuration is the same as that of the phosphorescent base for signage described in Embodiments 1 to 5, so its description is omitted.

[0095] (Transparent resin: main component) The purpose of making the main component of the transparent resin (excluding the phosphorescent material) the same as the main component of the resin in the bottom and wall portions is to ensure that the light emitted by the phosphorescent base for labeling does not attenuate, by constructing the entire phosphorescent base for labeling as if it were a single, unified resin made of one material. In other words, since light attenuates due to reflection and refraction when passing between different materials, making the entire phosphorescent base for labeling as if it were a single, unified material prevents attenuation and does not impair the luminescence of the phosphorescent base for labeling. In this case, if there are gaps between the transparent resin, the bottom portion, and the wall portion resins, the light may be attenuated by these gaps, so it is desirable that these resins be arranged in close contact with each other. From the viewpoint of such adhesion, transparent silicone resin is suitable as the material for the transparent resin. Furthermore, to further improve this adhesion, a silicone gel such as a silicone gel film may be placed between the resins.

[0096] <Embodiment 7: Effects> According to the invention of this embodiment, the main component of the transparent resin, excluding the phosphorescent material, is the same as the main component of the resin in the bottom and wall portions, thereby preventing any impairment of the luminescence of the phosphorescent base for marking. <Embodiment 8>

[0097] This embodiment primarily Claim 5 Related to, etc.

[0098] <Embodiment 8: Overview> The sign according to this embodiment is a sign using a phosphorescent base for signage as described in Embodiments 1 to 7, wherein thin pieces constituting the sign are arranged on the inner bottom surface of the phosphorescent base for signage.

[0099] <Embodiment 8: Configuration>

[0100] (General) Figure 6 shows an example of the shape of the sign of this embodiment. Of these, (a) is a plan view showing the overall shape, and (b) is a cross-sectional view of (a) XX. As shown in this figure, the sign 0600 of this embodiment has a phosphorescent base 0610 for signage and a thin piece 0601 arranged on its inner bottom surface 0621. The configuration of the phosphorescent base for signage is the same as that described in Embodiment 1 and so on, so the description is omitted.

[0101] (thin section) A thin film is a thin component, such as a film, that constitutes the characters, symbols, figures, pictograms, etc., used to display messages such as guidance for evacuation routes on a sign, and is made of an opaque material. An example of the thickness of a thin film is about 0.01 to 1 millimeter, and more preferably about 0.02 to 0.3 millimeters. As a material for the thin film, for example, a film made of polyvinyl chloride is used.

[0102] The markings of this embodiment may also consist of a thin film such as a retroreflective film, a photograph, a hologram (photosensitive material), a 3D image film, a film with a two-dimensional barcode, or a film equipped with GPS functionality, or a combination of these. An example in which the thin film is a retroreflective film will be described later in another embodiment.

[0103] Alternatively, the thin film may be a translucent color cutting film. With this configuration, when the film is illuminated at night or other times, light from the phosphorescent base for the sign can pass through the film, causing the sign to emit light in its color.

[0104] Furthermore, the thin slice may be a film-like component equipped with a phosphorescent material, such as a phosphorescent film. In this case, it is desirable that the luminescence color of the phosphorescent film differs from the luminescence color of the phosphorescent base for the sign. With this configuration, unlike when the thin slice is an opaque, non-luminescent film, the entire sign emits light, providing a sign with better visibility.

[0105] Furthermore, it is desirable that the label of this embodiment includes a transparent resin that fills the space inside the tray, excluding the flakes. This transparent resin is for protecting the flakes and the inner bottom surface. The example in Figure 6 also shows an example that includes such a transparent resin 0602.

[0106] Note that the example in Figure 6 shows a case where the thin slice is placed directly on the inner bottom surface and the remaining space is filled with transparent resin. However, unlike the example in this figure, it is also possible to fill a portion of the space on the inner bottom surface with transparent resin, place the thin slice on top of that, and then fill the remaining space with transparent resin.

[0107] Figure 7 shows another example of the shape of the sign 0700 of this embodiment, of which (a) shows an example in which, as described above, transparent resin 0703 is placed on the inner bottom surface 0721 of the bottom surface of the phosphorescent base 0710 for the sign, a thin piece 0701 is placed on top of that, and then transparent resin 0702 is filled into the remaining space, and is shown in the same cross-sectional view as in Figure 6(b) (the plan view is omitted as it appears the same as in Figure 6(a)). In this case, it is desirable that these two layers of transparent resin be made of the same material in order to not impair the luminescence and to ensure that the two layers of transparent resin are in close contact with each other.

[0108] Furthermore, the sign of this embodiment may not have any flakes. If the sign does not express a message using letters, symbols, figures, pictograms, etc., but rather expresses a message solely through the color and shape of the phosphorescent base for the sign, then it is conceivable to use a sign without such flakes.

[0109] Figures 7(b) and (c) show examples of the shape of a marker without such flakes, and illustrate an example in which transparent resin 0702 is filled into the entire space on the inner bottom surface 0721 of the bottom surface of the phosphorescent base 0710 for the marker. (b) is a plan view, and (c) is a cross-sectional view of (b). Various shapes are possible for this type of marker, such as circular, triangular, and arrow shapes, as illustrated in (d), (e), and (f).

[0110] In these cases, it is desirable that the transparent resin has high adhesion and release properties so that it can be easily attached and detached. In addition to the configurations shown in Figures 6 and 7, the surface of the transparent resin may be coated with a coating agent made of fluororesin (such as PTFE (Poly Tetra Fluoro Ethylene)), silicone resin, etc., to prevent soiling of the transparent resin and improve water repellency. Silicone resin, in particular, is highly flexible and can therefore be used as a coating agent for signs using a phosphorescent base for signs that is flexible at room temperature, as described in Embodiment 3. A suitable example of such a coating agent is the silicone coating agent (product name KR-401) manufactured by Shin-Etsu Chemical Co., Ltd.

[0111] <Embodiment 8: Processing Flow> Figure 8 shows an example of the process flow for the manufacturing method of the label according to this embodiment. As shown in this figure, first, in the preparation step S0801 of the phosphorescent base for labeling, the phosphorescent base for labeling is prepared. Any of the configurations described in Embodiments 1 to 7 can be used for this phosphorescent base for labeling.

[0112] Next, in the thin-slice placement step S0802, the thin-slice is placed on the inner bottom surface of the phosphorescent base for marking prepared in step S0801. If the phosphorescent base for marking is a tray-shaped structure with an exposed inner bottom surface, it is desirable to place the thin-slice on the inner bottom surface and, in the transparent resin placement step S0803, fill the remaining space of the tray-shaped recess that serves as the receiving tray with transparent resin. On the other hand, if the phosphorescent base for marking has transparent resin placed in the space of the tray-shaped recess that serves as the receiving tray, step S0802 includes a sub-step of peeling off the transparent resin and a sub-step of placing the thin-slice on the inner bottom surface that has been peeled off and exposed. In this case as well, it is desirable to fill the remaining space of the tray-shaped recess that serves as the receiving tray with the transparent resin that has been peeled off again in the transparent resin placement step S0803.

[0113] <Embodiment 8: Effects> According to the invention of this embodiment, by using the phosphorescent base for signs described in Embodiments 1 to 7, it is possible to provide signs that take advantage of the characteristics of the phosphorescent base for signs. In other words, by forming the base used for the phosphorescent sign from the phosphorescent resin itself, it is possible to provide signs with higher luminescence compared to those using a base made of metal or the like, and to provide signs with a simpler manufacturing process and lower manufacturing costs. <Embodiment 9>

[0114] This embodiment primarily Claim 6 Regarding things like that.

[0115] <Embodiment 9: Overview> The sign according to this embodiment is characterized in that, in the sign described in Embodiment 8, the flake is a flexible cutting film.

[0116] <Embodiment 9: Configuration> (General) In the phosphorescent base for signage of this embodiment, a transparent resin is placed in the tray, similar to Embodiment 5, while the thin film is a flexible cutting film. The remaining configuration is the same as that of the phosphorescent base for signage described in Embodiments 1 to 5, so its description is omitted.

[0117] (Thin flakes: Flexible cutting film) The thin film placed on the sign in this embodiment is a flexible cutting film. An example of its material is a flexible resin such as polyvinyl chloride.

[0118] The objective of this embodiment is to enable thin strips to bend and conform to the shape of cylindrical pillars, such as those found on subway station platforms, when the resin containing the phosphorescent material for the phosphorescent base of the sign is flexible, particularly when the sign is attached along the side of a cylindrical pillar.

[0119] <Embodiment 9: Effects> According to the invention of this embodiment, in addition to having the features described in Embodiment 8, it is possible to provide a sign that can be attached along curved surfaces such as the sides of cylindrical pillars in subway station platforms. <Embodiment 10>

[0120] This embodiment primarily Claim 7 Regarding things like that.

[0121] <Embodiment 10: Overview> The sign according to this embodiment is basically the same as the sign of Embodiment 9, but is characterized in that the cutting film is a retroreflective film.

[0122] <Embodiment 10: Configuration>

[0123] (General) The sign of this embodiment is basically the same as the sign of Embodiment 9, but is characterized in that the cutting film constituting the thin film is a retroreflective film. The configuration of the thin film in this embodiment will be described below. The remaining configuration is the same as the configuration of the phosphorescent base for the sign described in Embodiments 1 to 5, so the description will be omitted.

[0124] (Thin film: Cutting film and retroreflective film) The retroreflective film is a layered component placed at the bottom of the phosphorescent base for signage, and is configured to reflect light incident through the transparent and thin-film optical layers in the direction of incidence. This reflection is achieved, for example, by minute glass particles embedded in the retroreflective film. This improves the visibility of the signage.

[0125] Polyvinyl chloride can be used as the material for the retroreflective film used in the phosphorescent base for signage of the present invention. A specific example is the Scotchcal® Reflective Sheet 680 series manufactured by 3M. This series comes in a variety of colors, including black, blue, gold, green, lemon yellow, light blue, orange, red, ruby ​​red, white, and yellow. By using retroreflective films of various colors according to the application, it is possible to create variations in the color of light emitted from the phosphorescent base for signage.

[0126] <Effects of Embodiment 10> According to the invention of this embodiment, in addition to having the features described in Embodiments 8 and 9, it is possible to provide a sign with further improved visibility. <Embodiment 11>

[0127] This embodiment primarily Claim 8 Regarding things like that.

[0128] <Embodiment 11: Overview> The sign according to this embodiment is basically the same as the signs of Embodiments 8 to 10, but is characterized in that it uses a phosphorescent base for signs which has a reflective layer on the outer bottom surface and an adhesive layer further below the reflective layer.

[0129] <Embodiment 11: Configuration> (General) Figure 9 shows an example of the shape of the sign of this embodiment, and is shown as a cross-sectional view similar to that of Figure 6. The sign 0900 of this embodiment is characterized in that a reflective layer 0940 is arranged on the outer bottom surface, and an adhesive layer 0960 is located further below the reflective layer. The configuration of the reflective layer and adhesive layer in this embodiment will be described below. The remaining configurations are the same as those of the signs described in Embodiments 8 to 10, so their description will be omitted.

[0130] (reflective layer) As described in Embodiment 2, the reflective layer is for reflecting light incident from the inner bottom surface, thereby increasing the luminescence brightness of the phosphorescent base for the marker. In this embodiment, the marker has this reflective layer on the outer bottom surface of the bottom portion of the phosphorescent base for the marker that constitutes the marker, thereby contributing to increasing the luminescence brightness of the marker. In the example shown in this figure, the reflective layer is arranged over the entire outer bottom surface, but unlike the example shown in this figure, there may be some surfaces where it is not arranged, for example, directly below the wall surface.

[0131] (Adhesive layer) The adhesive layer is provided further below the reflective layer mentioned above, and is used to adhere the sign to the mounting surface, such as a wall. Specifically, for example, a double-sided adhesive tape with an acrylic adhesive attached to a PET film base material can be used. As a suitable double-sided adhesive tape, for example, Sumitomo 3M Co., Ltd.'s silicone-based double-sided adhesive tape 96042 can be used. As mentioned above, there may be a part of the outer bottom surface where the reflective layer is not provided; in such cases, the adhesive layer is provided directly on that part of the outer bottom surface.

[0132] <Embodiment 11: Effects> According to the invention of this embodiment, the luminescence brightness of the sign can be further increased, and the sign can be easily attached to an installation surface such as a wall.

Claims

1. A phosphorescent base for signage, integrally molded from a resin containing a phosphorescent material, A bottom surface portion having a flat inner bottom surface for arranging the thin pieces that make up the marker, A wall portion provided around the inner bottom surface to serve as a transparent resin tray for protecting the thin pieces that make up the markers to be placed on the inner bottom surface, It has, Furthermore, the transparent resin is placed in the tray, The resin containing the aforementioned phosphorescent material has a silicone resin as its main component. The transparent resin is made of transparent silicone resin and does not contain phosphorescent material. Luminous base for signage.

2. The phosphorescent base for marking according to claim 1, wherein the outer bottom surface, which is located on the outside of the bottom surface, is provided with a reflective layer for reflecting light incident from the inner bottom surface.

3. The phosphorescent base for marking according to claim 1 or claim 2, wherein the resin containing the phosphorescent material is thermoplastic and flexible at room temperature (flexible enough to conform to a curved surface with a radius of at least 20 centimeters).

4. The transparent resin is a phosphorescent base for marking according to claim 1 or claim 2, which can be easily peeled off from the inner bottom surface constituting the tray.

5. A sign having thin pieces constituting a sign arranged on the inner bottom surface of a phosphorescent base for signage according to claim 1 or claim 2.

6. The sign according to claim 5, wherein the thin film is a flexible cutting film.

7. The sign according to claim 6, wherein the cutting film is a retroreflective film.

8. The sign according to claim 5, which uses a phosphorescent base for signage according to claim 2, having an adhesive layer further below the reflective layer arranged on the outer bottom surface.

Images