JP2001277285A - Illuminant decorative sheet and illuminant decorative molded article using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an illuminant decorative sheet generating no light leak around an illumination pattern and having a high grade feeling in its shading part and an illuminant decorative molded article using the same. SOLUTION: In the illuminant decorative sheet wherein at least three layers, that is, a polarizing layer comprising an ink binder compounded with liquid silicone having a cholesteric liquid crystal structure, a shading color layer having a void pattern and a light pervious color layer are successively laminated, the polarizing layer contains the liquid crystal silicone in a compounding ratio of 0.5-25 weight % and is formed so as to cover all of the shading part and the illumination pattern.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an illuminating decorative sheet having a high-class feeling in a light-shielding portion, and an illuminating decorative molded article using the same.

[0002]

2. Description of the Related Art Conventionally, illuminated decorative molded products that illuminate an illumination pattern such as characters and symbols by illuminating a light source from the back surface at night or in a dark room to make it easy to recognize are used in home appliances, It is used for automobile parts and the like, and as one form thereof, there is a type in which a light-shielding portion has a metallic tone to give a sense of quality.

[0003] As a means for obtaining this highly illuminated decorative molded product, a metallic colored layer 12, a light-shielding colored layer 4, and a translucent colored layer 5 are formed on a base sheet made of a transparent or translucent film 7. Illuminating decorative sheet 2 printed by screen printing or the like to form an illuminating pattern such as characters
(See FIG. 8), and this is arranged in a mold so that the base sheet side faces the mold cavity surface, and is filled with a translucent molding resin. A product that obtains an illuminated decorative molded product 1 (see FIG. 9) integrated with the above has been put to practical use. The illuminated decorative sheet 2 and the illuminated decorative molded product 1 are formed such that the metallic colored layer 12 and the light-shielding colored layer 4 both have a cut pattern, and are overlapped with these cut patterns. Translucent colored layer 5
Is formed.

[0004]

However, in the illuminating decorative sheet 2 and the illuminating decorative molded article 1 described above, the light-shielding colored layer 4 is formed on the cutout portion of the metallic colored layer 12 due to misregistration of printing. In order to prevent it from protruding, the relief portion 13 of about 0.2 to 0.5 mm is taken in advance to make the cutout portion of the light-shielding colored layer 4 large, and the metallic colored layer 12 alone blocks light. Light leakage occurred at the escape allowance 13 around the illumination pattern 10 because of its poor property.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-mentioned problems, and there is provided an illuminating decorative sheet which does not cause light leakage around an illuminating pattern and has a high-grade feeling in a light-shielding portion. Illuminated decorative molded articles.

[0006]

In order to achieve the above object, an illuminating decorative sheet according to the present invention has a polarizing layer and a cut pattern in which liquid crystal silicone having cholesteric liquid crystal is blended in an ink binder. An illuminating decorative sheet in which at least three layers of a light-shielding colored layer and a translucent colored layer are sequentially laminated, wherein the polarizing layer has a compounding ratio of liquid crystal silicone of 0.5 to 0.5.
25% by weight was formed so as to cover all of the light-shielding portion and the illumination pattern.

Further, in the above structure, the light-transmitting colored layer is formed of a light-transmitting colored resin sheet.

Further, in the above configuration, each of the above layers is laminated on a transparent or translucent film in the order of a polarizing layer, a light-shielding colored layer, and a light-transmitting colored layer.

Further, in the above configuration, each of the above layers is laminated on a transparent or translucent film in the order of a transparent coloring layer, a light shielding coloring layer, and a polarizing layer.

Further, in the above configuration, a transparent or translucent film is laminated between the polarizing layer and the light-shielding colored layer.

Further, in the above configuration, a transparent or translucent film is laminated between the light-shielding colored layer and the light-transmitting colored layer.

In each of the above structures, the polarizing layer has a thickness of 0.5 to 10 μm.

The illuminated decorative molded product of the present invention is configured such that the illuminable decorative sheet is integrated with the translucent resin molded product.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the drawings.

1 to 5 are cross-sectional views showing one embodiment of the illuminating decorative sheet according to the present invention. FIG. 6 shows one step of a method for manufacturing an integrally formed illuminating decorative sheet according to the present invention. FIG. 7 is a cross-sectional view showing an embodiment, and FIG. 7 is a cross-sectional view showing one embodiment of an illuminated decorative molded product according to the present invention. In the figure, 1 is an illuminated decorative molded product, 2 is an illuminable decorative sheet, 3 is a polarizing layer, 4 is a light-shielding colored layer, 5 is a translucent colored layer, 6 is an adhesive layer, 7 is transparent or A translucent film, 8 is a translucent colored resin sheet, 9 is a translucent resin molded product, 10 is an illumination pattern, and 11 is a mold.

The illuminating decorative sheet 2 is obtained by sequentially laminating at least three layers of a polarizing layer 3, a light-shielding colored layer 4 having a hollow pattern, and a light-transmitting colored layer 5 (see FIGS. 1 to 5). ).
The illuminating pattern 10 of the illuminating decorative sheet 2 is formed of the translucent colored layer 5 exposed from the cut pattern portion of the light-shielding colored layer 4.
It has a shape such as a character or a symbol formed by the light source, and transmits light by being illuminated by a light source from the back surface, and can recognize the shape of the character or the symbol.

Here, the transparent or translucent film 7 may be used as a base sheet, and the polarizing layer 3, the light-shielding colored layer 4, and the light-transmitting colored layer 5 may be formed on one or both sides thereof as an ink layer. Good. For example, a transparent or translucent film 7
The above-mentioned layers may be laminated on the polarizing layer 3, the light-shielding colored layer 4, and the translucent colored layer 5 in this order (see FIG. 1), or the above-mentioned layers may be formed on the transparent or translucent film 7 by translucent coloring. The layer 5, the light-shielding colored layer 4, and the polarizing layer 3 may be laminated in this order (see FIG. 2). The transparent or translucent film 7 may be laminated between the polarizing layer 3 and the light-shielding colored layer 4 (see FIG. 3), or the light-shielding colored layer 4 and the light-transmitting colored layer 5 may be laminated. (See FIG. 4).

The translucent colored layer 5 may be formed of a translucent colored resin sheet, and the other layers may be formed of an ink layer (see FIG. 5).

The polarizing layer 3 is a layer that changes only the color of the light-shielding portion to two or more colors depending on the viewing angle, and is formed so as to cover not only the light-shielding portion of the illuminating decorative sheet 2 but also the illumination pattern 10. Is done.

As the material of the polarizing layer 3, a material having flexibility such as urethane resin, polyester resin, polycarbonate resin, vinyl chloride / vinyl acetate copolymer resin is selected and used as a binder. An ink containing 0.2 to 25% by weight of liquid crystal silicone, specifically, "Helicone" manufactured by Wacker Chemie Co., Ltd. is used.

Since the liquid crystal silicone has a twisted structure of several layers, the incident light and the reflected light from the outside interfere with each other in the layer to produce a color change. When the compounding ratio of the liquid crystal silicone is in the range of 0.5 to 25% by weight, the light interference effect of the incident light from the outside and the light interference effect of the reflected light by the base color are integrated in the light-shielding portion, so that the color A change occurs, and the illumination pattern does not change its color because there is no light interference effect of the reflected light due to the base color.

The compounding ratio of liquid crystal silicone is 0.5% by weight.
If not, sufficient color cannot be obtained. Further, when the compounding ratio of the liquid crystal silicone exceeds 25% by weight, the color of the illumination pattern 10 also changes.

If the compounding ratio of the liquid crystal silicone exceeds 25% by weight, the portion of the illuminating decorative sheet where the polarizing layer is formed loses flexibility, and the illuminating decorative sheet is used for deep drawing. When it is used, a portion that becomes thin during extension is generated, which easily causes light leakage, and the shape of the final product is limited.

If the compounding ratio of the liquid crystal silicone exceeds 25% by weight, the cohesive force of the binder constituting the polarizing layer becomes weak, and when the illuminable decorative sheet is integrated with the molding resin, cross-cutting or the like may occur. For easy delamination. Here, the cross-cut is made by drawing a line having a depth from the base sheet to the product surface to make 100 squares of 1 mm x 1 mm, and sticking cellotape (registered trademark) firmly on this surface with a finger to adhere the product to the product. On the other hand, when the sheet is strongly peeled off at an angle as close to 180 degrees as possible at a stretch, it is determined that the adhesion is good unless it is peeled off somewhere between the layers of the illuminating decorative sheet or within the layer of the picture layer. Evaluation criteria.

The thickness of the polarizing layer 3 is 0.5 to 10 μm.
m is preferred. If the thickness of the polarizing layer 3 is less than 0.5 μm, the change in color is poor. If it exceeds 10 μm,
Color changes also occur in the illumination pattern.

As a method for forming the polarizing layer 3, there are a printing method such as an offset printing method, a gravure printing method and a screen printing method, and a coating method such as a gravure coating method, a roll coating method and a spray coating method.

The light-shielding colored layer 4 is a layer for blocking light from a light source. The light-shielding colored layer 4 is formed so as to have a cut pattern, thereby exposing the light-transmitting colored layer 5 on the back to form an illumination pattern 10.
Is a layer that expresses Also, when changing the color of the light-shielded portion by the polarizing layer 3 to two or more colors depending on the viewing angle,
It is also a layer that exhibits a base color. In order to secure the total light transmittance described later, the light-shielding colored layer 4 is formed so that the periphery of the illumination pattern 10 has a sharp edge. However, if it is not possible to secure the total light transmittance described below even if a cut pattern having a sharp edge is formed with only one layer, a plate with the number of plate lines adjusted to give priority to the reproducibility of the cut pattern is used. One light-shielding colored layer is formed, and 0.2 to
It is preferable to form the second and third light-shielding colored layers in a stacked manner so as to have a punched pattern having a large clearance allowance of 0.5 mm and to have a thickness that can secure light-shielding properties.

In the light-shielding colored layer 4, the light-shielding portion of the illuminating decorative sheet has a total light transmittance (based on JIS K7361-1).
Preferably, it is formed so as to be 0 to 10%. Within this range, sufficient light-shielding properties can be ensured. 10
%, The light from the light source can be seen through the light-shielding portion, and the formed illumination pattern 10 such as characters and symbols can be seen.
There is a disadvantage that it becomes difficult to determine In addition, the total light transmittance of the illuminating decorative sheet in the present invention was measured by a measuring method according to JIS K7361-1 using a total light transmittance measuring device “Model-NDH2000” manufactured by Nippon Denshoku Industries. Things. Specifically, after preparing three 50 × 50 mm test pieces, a standard white plate was attached to the measuring device to adjust the amount of incident light, and then the test pieces were set with the standard white plate attached, and all the light beams were set. Measure the amount of transmission. This total light transmittance is the total light transmittance (%).

The light-shielding colored layer 4 may be made of a polyvinyl resin, a polyamide resin, a polyester resin, an acrylic resin, a polyurethane resin, a polyvinyl acetal resin, a polyester urethane resin, a cellulose ester resin, an alkyd resin. It is preferable to use a coloring ink containing a resin such as a polycarbonate resin as a binder and a pigment or dye of an appropriate color as a coloring agent.

The thickness of the light-shielding colored layer 4 is 3 to 20.
μm is preferred. When the thickness of the light-shielding colored layer 4 is less than 3 μm, when the light-emitting decorative sheet 2 is preformed, the light-emitting decorative sheet 2 is stretched, and the light-shielding property is reduced at a thin portion. It cannot be secured. Further, when the thickness exceeds 20 μm, even in the screen printing method, four times are required in one printing.
Since a film thickness of only about μm can be formed, the light-shielding colored layer must be printed at least four times or more, which leads to an increase in cost due to the printing process. Further, when the light-shielding colored layer 4 becomes thicker, it is necessary to dry for a longer time to remove the mold at the time of preforming and to completely volatilize the residual solvent that causes the ink flow at the time of resin backing.

As a method for forming the light-shielding colored layer 4, there are printing methods such as an offset printing method, a gravure printing method, and a screen printing method. In particular, the screen printing method is more preferable in the present invention in which an ink pattern having a large thickness is required in order to provide an illumination pattern having sharp edges and obtain sufficient light-shielding properties.

The light-transmitting colored layer 5 is a layer that is exposed at a portion of the light-shielding colored layer 4 where the cut pattern is formed and expresses the illumination pattern 10 such as a colored character or symbol.

The light-transmitting colored layer 5 has a total light transmittance (based on JIS K7361-1) of the illumination pattern 10 of 60 to 1.
Preferably, it is formed so as to be 00%. If it is less than 60%, light from the light source becomes difficult to transmit, and it is difficult to determine the illumination pattern 10 such as formed characters and symbols.

The translucent colored layer 4 is made of a translucent colored resin sheet 8
(See FIG. 5), the material of the translucent colored resin sheet 8 may be polyphenylene sulfide resin, polycarbonate resin, polypropylene resin, polyethylene resin, polyamide resin, polyester resin, acrylic resin, poly Examples thereof include vinyl chloride resins and polyarylate resins. The translucent colored resin sheet 8 can be obtained by mixing a coloring pigment with the resin described above. The thickness is preferably 50 to 100 μm. If the thickness is less than 50 μm, there is a high risk of breaking at a thin portion without being able to follow the elongation during preforming. When the thickness exceeds 100 μm, the total light transmittance is less than 60%, so that light from a light source is hardly transmitted, and characters and symbols are hardly recognized.

When the light-transmitting colored layer 4 is formed of an ink layer (see FIGS. 1 to 4), the same material as the light-shielding colored layer 3 can be used except that it has a light-transmitting property. The thickness is preferably 3 to 30 μm. 30μm thick
When the temperature exceeds the above, drying for a longer time is required for the demolding property at the time of pre-molding and for completely volatilizing the residual solvent which causes the ink flow at the time of resin backing. Also, as the ink becomes thicker, the light from the light source becomes harder to transmit,
Characters and symbols are difficult to recognize.

As a method for forming the translucent colored layer 4 with an ink layer, there are an offset printing method, a gravure printing method,
There are printing methods such as a screen printing method. In particular, the screen printing method is more preferable in the present invention in which an ink pattern having a large thickness is required in order to provide an illumination pattern having sharp edges and obtain sufficient light-shielding properties.

As a material of the transparent or translucent film 7 used as the base sheet, a resin sheet such as a polycarbonate resin, a polyamide resin, a polyimide resin, a polyester resin, an acrylic resin, an olefin resin, and a urethane resin can be used. In addition, a laminated film or a copolymer film of two or more resins selected from the above resins can also be used.

The thickness of the transparent or translucent film is from 50 to
It is preferable to use one having a thickness of 250 μm. If the thickness is less than 50 μm, there is a high risk of breaking at a thin portion without being able to follow the elongation during preforming. On the other hand, if the thickness exceeds 250 μm, it takes a long time to heat the film to an optimal state for preforming, and the production efficiency is poor.

Further, the illuminating decorative sheet 2 of the present invention comprises:
It may have an adhesive layer. The adhesive layer is a layer for bonding the illuminating decorative sheet to the molding resin 9.

As the adhesive layer 6, the illuminating decorative sheet 2
Resin suitable for adhering to the molding resin 9 is appropriately used. For example, when the material of the molding resin 9 is a polyacrylic resin, a polyacrylic resin may be used. When the material of the molding resin 9 is a polyphenylene oxide / polystyrene resin, a polycarbonate resin, a styrene copolymer resin, or a polystyrene blend resin, a polyacryl resin, a polystyrene resin having an affinity for these resins, A polyamide resin, a vinyl chloride resin, or the like may be used. Further, when the material of the molding resin 9 is a polypropylene resin, a chlorinated polypropylene resin, an ethylene vinyl acetate resin, a chlorinated polyolefin resin, a chlorinated ethylene-vinyl acetate copolymer resin, a cyclized rubber, and a coumarone indene resin are used. It is possible. Also, the molding resin 9
When the material is adhered to a thermosetting plastic resin such as silicone rubber, a titanate, a carbon-functional silane, or an organic solvent solution of a mixture thereof, polyurethane, a polyester resin, an ethylene-vinyl acetate copolymer, Polyvinyl chloride, an acrylic resin, a butyral resin, an acetal resin, or a material obtained by adding alkoxysilane, chlorosilane, or the like as a silane compound thereto can be used.

As a method for forming the adhesive layer 6, there are printing methods such as gravure printing and screen printing, and coating methods such as gravure coating, roll coating and spray coating.

Further, the illuminating decorative sheet 2 of the present invention comprises:
A translucent white layer may be provided below the translucent colored layer 5. The translucent white layer is formed when it is desired to make the color of the translucent colored layer 5 more vivid. The translucent white layer is composed of the translucent colored layer 5.
It may be provided in the same manner as described above.

The illuminating decorative sheet 2 having the above configuration
Is placed in the mold 11 (see FIG. 6), and the molding resin is filled to obtain the illuminated decorative molded product 1 (see FIG. 7).

As a resin molding method for integrally molding with the illuminating decorative sheet 2, there are an injection molding method, a compression molding method, a LIM molding method and the like.

The illuminating decorative sheet 2 is placed in the mold 11.
When arranging, the illuminable decorative sheet 2 which is preformed outside the mold may be arranged.

As the molding resin, the total light transmittance is 20 to
It is preferable to use a material that is 100% and can be filled and molded in the mold cavity by an injection molding method or a compression molding method. For example, acrylic resin, acrylonitrile styrene resin, polycarbonate resin, polypropylene resin, silicone resin, and the like can be used.

[0047]

(Example 1) 125 μm thick made of PC / PBT copolymer film (compounding ratio PC: PBT = 6: 4)
1 μm thick polarizing layer using an ink obtained by mixing an ink binder composed of a polycarbonate resin and a liquid crystal silicone having a cholesteric liquid crystal (“Helicone” manufactured by Wacker Chemie) at a mixing ratio of 100: 3 on a transparent film having a thickness of 100 μm. Was formed by screen printing.

Next, using a printing ink in which a carbon black pigment is mixed with a urethane resin ink, a light-shielding colored layer having a plurality of cutout patterns is applied to the total light transmittance (JIS K7361) of the light-shielding portion of the illuminating decorative sheet. -1) 25
%, And was partially formed at different portions by a screen printing method.

Then, the entire surface of the polarizing layer and the light-shielding colored layer is coated with an ink containing a titanium white pigment made of a polycarbonate resin, and the total light transmittance of the light-transmitting pattern (according to JIS K7361-1) is 75. %, And a translucent colored layer was formed by a screen printing method to obtain an illuminable decorative sheet.

The illuminating decorative sheet is drawn into a keypad shape of a mobile phone by a hydraulic molding method, and the transparent film side is arranged so as to face the cavity surface of the mold. The molten polycarbonate resin was injected and solidified by cooling. Thereafter, the mold was opened to obtain a keypad component in which the illuminating decorative sheet was integrated with the surface of the molded product.

(Example 2) An ink binder made of a urethane resin and a liquid crystal silicone having a cholesteric liquid crystal ("Helicone" manufactured by Wacker Chemie) were mixed on a transparent film made of polycarbonate having a thickness of 125 µm at a mixing ratio of 10: 1. Was used to form a 2 μm-thick polarizing layer by screen printing.

Next, using a printing ink in which a carbon black pigment is mixed with a urethane resin ink, a light-shielding colored layer having a plurality of cut patterns is applied to the total light transmittance (JIS K736).
(In accordance with 1-1) was 25%, and was partially formed by a screen printing method at different portions.

Next, using an ink containing a titanium white pigment made of a polycarbonate resin, the entire surface of the polarizing layer and the light-shielding colored layer is coated, and the total light transmittance of the illuminating pattern of the illuminating decorative sheet (JIS K7361-) 1
Compliant) was 75% by a screen printing method.

Finally, an adhesive layer made of a polycarbonate resin was formed by a clean printing method so as to cover the polarizing layer, the light-shielding colored layer, and the light-transmitting colored layer, to obtain an illuminating decorative sheet.

The illuminating decorative sheet is drawn by a vacuum and pressure forming method into an automobile meter panel shape, and the transparent film side is arranged so as to face the cavity surface of the mold. The molten acrylic resin was injected and solidified by cooling. Thereafter, the mold was opened to obtain an automobile meter panel component in which the illuminating decorative sheet was integrated with the molded product surface.

[0056]

The illuminating decorative sheet, the illuminating decorative molded product and the method for producing the same according to the present invention have the above-mentioned constitutions, and therefore have the following excellent effects.

That is, the illuminating decorative sheet of the present invention comprises at least a polarizing layer comprising a liquid crystal silicone having a cholesteric liquid crystal in an ink binder, a light-shielding colored layer having a hollow pattern, and a translucent colored layer. Since it is an illuminating decorative sheet in which three layers are sequentially laminated, the polarizing layer is formed so as to cover the entire light-shielding portion and the illuminating pattern at a compounding ratio of liquid crystal silicone of 0.5 to 25% by weight. In the laminated portion (light-shielding portion) of the polarizing layer and the light-shielding colored layer, the light interference effect of light incident from the outside on the polarizing layer and the light interference effect of reflected light due to the underlying color are integrated, so that the color A change occurs, and the illumination pattern does not change its color because there is no light interference effect of the reflected light due to the base color. Therefore, only the color of the light-shielded portion changes to two or more colors depending on the viewing angle, giving a sense of quality.

In the above-mentioned illuminating decorative sheet, the polarizing layer is formed so as to cover all of the light-shielding portion and the illuminating pattern, and the illuminating pattern and the cut pattern of the light-shielding colored layer coincide with each other. There is no problem that light leakage occurs around the illumination pattern.

Further, since the polarizing layer is formed on the illumination pattern, it is not necessary to perform registration when forming the illumination pattern.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing one embodiment of an illuminating decorative sheet according to the present invention.

FIG. 2 is a cross-sectional view showing one embodiment of an illuminating decorative sheet according to the present invention.

FIG. 3 is a cross-sectional view showing one embodiment of the illuminating decorative sheet according to the present invention.

FIG. 4 is a cross-sectional view showing one embodiment of an illuminating decorative sheet according to the present invention.

FIG. 5 is a cross-sectional view showing one embodiment of an illuminating decorative sheet according to the present invention.

FIG. 6 is a cross-sectional view showing an example of one step of the method of manufacturing the integrally molded article for illuminating decorative sheet according to the present invention.

FIG. 7 is a cross-sectional view showing one embodiment of an illuminated decorative molded product according to the present invention.

FIG. 8 is a cross-sectional view showing an example of an illuminating decorative sheet according to the related art.

FIG. 9 is a cross-sectional view showing one embodiment of an illuminated decorative molded product according to the prior art.

[Explanation of symbols]

 Reference Signs List 1 illuminated decorative molded article 2 illuminable decorative sheet 3 polarizing layer 4 light-shielding colored layer 5 translucent colored layer 6 adhesive layer 7 transparent or translucent film 8 translucent colored resin sheet 9 translucent resin molding Article 10 Illumination pattern 11 Mold 12 Metallic coloring layer 13 Escape allowance

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B29L 9:00 B29L 9:00 11:00 11:00 F term (Reference) 4F100 AA21 AA37 AK01C AK01E AK42 AK45 AK51 AK52A AR00A AR00B AR00C AR00D AR00E AS00A BA03 BA04 BA05 BA07 BA10A BA10C BA10D BA10E DC11B GB32 GB48 HB37 JL00 JL10B JL10C JN01C JN01D JN01E JN02B JN10A JN30 YY00A 4A206

Claims (8)

[Claims] 1. An illuminating decoration in which at least three layers of a polarizing layer formed by mixing liquid crystal silicone having a cholesteric liquid crystal in an ink binder, a light-shielding colored layer having a hollow pattern, and a light-transmitting colored layer are sequentially laminated. A sheet for polarizing, wherein the polarizing layer is
An illuminating decorative sheet characterized by being formed so as to cover all of a light-shielding portion and an illuminating pattern at a compounding ratio of liquid crystal silicone of 0.5 to 25% by weight. 2. The illuminating decorative sheet according to claim 1, wherein the translucent colored layer comprises a translucent colored resin sheet. 3. The illuminating decorative sheet according to claim 1, wherein the respective layers are laminated on a transparent or translucent film in the order of a polarizing layer, a light-shielding colored layer, and a translucent colored layer. 4. The illuminating decorative sheet according to claim 1, wherein the respective layers are laminated on a transparent or translucent film in the order of a translucent colored layer, a light-shielded colored layer, and a polarizing layer. 5. The illuminating decorative sheet according to claim 1, wherein a transparent or translucent film is laminated between the polarizing layer and the light-shielding colored layer. 6. The illuminating decorative sheet according to claim 1, wherein a transparent or translucent film is laminated between the light-shielding colored layer and the translucent colored layer. 7. The illuminating decorative sheet according to claim 1, wherein the polarizing layer has a thickness of 0.5 to 10 μm. 8. An illuminated decorative molded product, wherein the illuminable decorative sheet according to any one of claims 1 to 7 is integrated with a translucent resin molded product.