JP2011245627A - Three-dimensional pattern ornamental body, and electric product including the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inexpensive three-dimensional pattern ornamental body capable of providing a three-dimensional ornament having durability and depth, and freely changeable, and an electric product including the same.SOLUTION: This three-dimensional pattern ornamental body 100 applied to this electric product includes: a transparent sheet 110 used as a base member of the three-dimensional pattern ornamental body 100; a color layer 120 printed on one surface of the transparent sheet 110 and having permeability for adding hue; a transparent ultraviolet-curable ink layer 130 overprinted on the color layer 120, and formed by an interference pattern formed with a continuous line pattern; a mirror surface layer 140 overprinted on the transparent ultraviolet-curable ink layer 130; and a holding print layer 150 overprinted on the mirror surface layer 140; wherein the ultraviolet-curable ink layer 130 is formed with a line pattern where a plurality of corrugated lines are continuously arranged.

Description

  The present invention relates to a three-dimensional pattern decorative body that makes a three-dimensional pattern stand up on a transparent material using interference fringes, and an electric product including the three-dimensional pattern decorative body.

  2. Description of the Related Art Conventionally, electrical products such as washing machines have been proposed in which a transparent decorative member is provided on an operation unit or an opening / closing lid of a washing machine to decorate a deep three-dimensional pattern. As a decorative member for making these three-dimensional patterns appear, a technique for making a three-dimensional pattern with a deep appearance using interference fringes has been proposed.

  For example, in the above prior art, a decorative body in which a large number of independent convex condensing elements having transparency and a point drawing pattern on which a large number of colored pixels are printed or formed are provided separately on the front surface and the back surface of the transparent substrate. Has been proposed. Alternatively, in another conventional technique, a first pattern portion having a first pattern repeated at a predetermined pitch is provided on one side of the transparent sheet, and the first pattern is provided on the other side of the transparent sheet. A decorative sheet provided with a second pattern portion having a moire pattern (interference fringes) formed using a second pattern that is similar in shape or repeated at a predetermined pitch has been proposed.

  According to these conventional techniques, the convex condensing elements and the colored pixels and the first and second patterns are regularly arranged at a predetermined pitch, so that the moire pattern is substantially the same when viewed from any direction. Can be changed. However, there is no change in pattern density or color shading, and the effect of three-dimensional appearance of a gradation moire pattern in which the pattern density and color density change between a dense state and a coarse state depending on the viewing direction and angle. There is also a problem that it cannot be obtained.

  Therefore, in another conventional technique, a plurality of dot-shaped patterns colored in a desired color are continuously provided in a predetermined pattern, and transparent dots having a substantially hemispherical cross section on the surface of the decorative body and each pattern. A convex lens is continuously attached to a pattern that is substantially the same as the above pattern, and each pattern and convex lens pattern is displaced to an angle at which a moire pattern appears to decorate each pattern and convex lens or these patterns and convex lenses. A three-dimensional pattern that is arranged so that it gradually becomes dense toward the dense area set on the body surface, and is arranged in a gradation that gradually becomes coarse toward the coarse area set in the part far from the dense area A decorative body has been proposed.

  On the other hand, in a three-dimensional decorative body of an electric washing machine, a technique is disclosed in which the surface of a transparent material is formed flat and a continuous uneven shape is provided on the back surface. According to this technique, the surface side can be given a glossy and deep appearance, and the surface side can be obtained without a rough surface.

Japanese Patent No. 3338860 Japanese Patent No. 3131777 JP 2005-193501 A JP 2008-253488 A

  According to the three-dimensional pattern decorative body using the printing technique, since the transparent dot-like convex lens is continuously provided on the surface of the transparent member, there is a problem that the surface side is rough. And since the unevenness | corrugation is formed in the surface side, there exists a subject in durability.

  On the other hand, in the conventional example in which the concavo-convex shape is provided on the back side of the transparent member, it is necessary to mold the concavo-convex shape.

  Accordingly, an object of the present invention is to provide a three-dimensional pattern decoration that can provide a three-dimensional decoration with durability and depth, is inexpensive and can be freely changed, and an electrical product including the three-dimensional pattern decoration. There is.

  In order to achieve the above object, in the three-dimensional pattern decorative body according to the present invention and the electrical product including the three-dimensional pattern decorative body, between the transparent sheet serving as a base member of the three-dimensional pattern decorative body and the mirror surface layer, A transparent ultraviolet curable ink layer composed of interference fringes formed with a continuous line pattern is provided.

  According to the present invention, since the transparent ultraviolet curable ink layer has a lens effect, the light transmitted through the transparent sheet is transmitted through the transparent ultraviolet curable ink layer, thereby producing a continuous line pattern. Since the refracted line pattern changes through the mirror layer, interference fringes having a depth that changes in accordance with the viewing angle can appear. Moreover, since it is not necessary to mold an unevenness | corrugation in a transparent member (transparent sheet | seat), the solid pattern decoration body which can be changed freely cheaply can be provided. In addition, since the surface of the three-dimensional pattern decorative body is formed flat, it has excellent durability and can be applied to an electrical product favorably because the surface side is not rough and a good appearance can be obtained.

It is a schematic block diagram of the electric washing machine provided with the three-dimensional pattern decoration body which concerns on one Example of this invention. It is a manufacturing process figure which shows the manufacturing process of the solid pattern decorative body which concerns on one Example of this invention. It is sectional drawing which shows the reflective effect | action of the light of the solid pattern ornament which concerns on one Example of this invention. It is a surface view which shows the reflection effect of the light of the three-dimensional pattern decoration body which concerns on one Example of this invention. It is a pattern figure which shows the three-dimensional pattern decoration body which concerns on the other Example of this invention.

  Hereinafter, an example in which the three-dimensional pattern decorative body according to the present invention is applied to an electric washing machine will be specifically described. Here, FIGS. 1 to 4 show examples in which the three-dimensional pattern decorative body according to the first embodiment is applied to an electric washing machine, and FIG. 5 shows a three-dimensional pattern decorative body according to another application example.

  First, the schematic structure of the electric washing machine according to this embodiment will be described in detail with reference to FIG. Here, FIG. 1 is a schematic configuration diagram of an electric washing machine provided with a three-dimensional pattern decorative body according to the present invention.

  In FIG. 1, an electric washing machine generally indicated by reference numeral 1 is a vertical electric washing machine having a laundry tub (not shown) having a rotating shaft vertical and opened upward in the casing 10. The housing 10 includes a steel base housing 11, a resin molded product top cover 12 that covers the upper portion of the base housing 11, and a resin molded product lower housing 13 that covers the lower portion of the base housing 11. .

  The top cover 12 is provided with an opening / closing lid 20 that covers a clothing insertion port (not shown) provided at the center of the top surface, and a front arrangement surface 15 having an operation switch unit 14, an opening / closing lid at the front of the opening / closing lid 20. A rear arrangement surface 17 having a water supply port 16 is formed in each rear portion of the 20.

  The opening / closing lid 20 according to this embodiment has an open structure that is folded back and forth via a central connecting portion 21, and is pushed rearward through a handle 22 provided at the front portion of the connecting portion 21. By the operation, the connecting portion 21 can be folded so as to rise upward, and the opening / closing lid 20 can be opened. The opening of the opening / closing lid 20 exposes the clothes input port, so that clothes can be taken into and out of the washing tub from above.

  One of the major features of the electric washing machine 1 is that the opening / closing lid 20 is provided with a sheet-like three-dimensional pattern decoration body 100 that provides a three-dimensional decoration with durability and depth.

  That is, conventionally, in an electric washing machine, it is common to provide a decorative panel in order to improve design. In particular, in recent years, decorative members having a simple pattern to a deep pattern have been proposed. For example, the example which tried to solve the said subject by forming an uneven | corrugated pattern in the back surface of transparent resin material is also seen. However, the application range is limited for transparent resin molded products, and there are problems such as high accuracy in forming molds.

  Therefore, in this embodiment, a structure in which the three-dimensional pattern decorative body 100 based on a transparent sheet material is attached to, for example, a predetermined position of the opening / closing lid 20 is employed. Thereby, an application range can be expanded.

  Another major feature of the sheet-like three-dimensional pattern decorative body 100 according to the present invention is that a continuous line is formed between the transparent sheet 110 serving as a base member of the three-dimensional pattern decorative body 100 and the mirror surface layer 140. A transparent ultraviolet curable ink layer 130 composed of interference fringes formed in a pattern is laminated and printed.

  That is, the conventional three-dimensional pattern decoration using interference fringes is provided with a dot-like convex lens and a pattern that can obtain a lens effect separately on the front and back surfaces of the transparent sheet, or on the surface of the printed pattern. The one which prints the convex lens is known. However, since these conventional technologies have a dot-like convex lens attached to the surface thereof, there is a problem in the durability of the dot-like convex lens exposed on the surface when this is applied to an electric washing machine. Moreover, in this structure, since unevenness is formed on the surface, there is a problem that the surface is rough and the touch is not good.

  Therefore, in the three-dimensional pattern decorative body 100 according to this embodiment, the surface of the transparent sheet 110 is formed flat, and an ultraviolet curable ink layer 130 that provides a lens effect is provided on the back side thereof. As a result, the durability of the ultraviolet curable ink layer 130 can be improved, and an appearance with a good touch can be obtained without roughening the surface. And since it is not necessary to form an unevenness | corrugation in a transparent member (transparent sheet 110), the three-dimensional pattern decoration body which can change a design freely cheaply can be provided.

  Further, in the prior art, an interference fringe having a depth is obtained by providing a pair of a dot-like convex lens capable of obtaining a lens effect and an interference pattern. However, in the three-dimensional decorative body 100 according to this embodiment, the interference fringes themselves are a three-dimensional pattern formed by a continuous line pattern, so there is no need to worry about the alignment between the dot-like convex lens and the pattern.

  In particular, in this embodiment, the pattern formed by a continuous line pattern is a pattern in which a large number of one waveform line 131 formed by a regular waveform is arranged at the same pitch in the horizontal direction. A deep interference fringe that changes depending on the viewing angle or the position of the light source can appear.

  Further, in this embodiment, since the ultraviolet curable ink layer 130 is provided between the transparent sheet 110 and the mirror surface layer 140, the pattern formed by a continuous line pattern is reflected by the mirror surface layer 140, and the pattern is clear. A deep interference fringe can appear.

  As described above, according to this embodiment, since the transparent ultraviolet curable ink layer 130 has a lens effect, the light transmitted through the transparent sheet 110 passes through the transparent ultraviolet curable ink layer 130. Thus, the three-dimensional pattern that refracts corresponding to the continuous line pattern, and the refracted line pattern changes through the specular layer 140, so that the interference fringes having a depth that changes according to the viewing angle can be easily seen. The decorative body 100 can be provided. Moreover, since the surface of the three-dimensional pattern decorative body 100 is formed flat, it has excellent durability and can be applied well to electrical products.

  In addition, another one of the major features of the three-dimensional pattern decorative body 100 according to this embodiment is that the color layer 120 for adding color to the deep interference fringes together with the ultraviolet curable ink layer and the transparent sheet 110 and the specular layer 140. It is in the point which was laminated between.

  In particular, since the color layer 120 of this embodiment is laminated between the transparent sheet 110 and the ultraviolet curable ink layer 130, the light transmitted through the transparent sheet 110 passes through the color layer 120 and becomes colored. Is added, and the color-added light passes through the ultraviolet curable ink layer 130 and is refracted corresponding to the line pattern, and reflected by the mirror surface layer 140 as a shifted pattern. A deep interference fringe to which color is added can appear.

  In the three-dimensional pattern decorative body 100 of this embodiment, the color layer 120 to which a color is added is printed on the back side of the transparent sheet 110 that is the base member of the three-dimensional pattern decorative body 100. A transparent ultraviolet curable ink layer 130 composed of interference fringes formed in a continuous line pattern is overprinted, and a mirror surface layer 140 that reflects light is overprinted on the ultraviolet curable ink layer 130. Finally, by printing the suppressed printing layer 150 on the mirror surface layer 140 to stabilize the laminated printing, it is possible to provide the three-dimensional pattern decorative body 100 applicable to various home appliances.

  Hereinafter, the three-dimensional pattern decorative body 100 according to this embodiment will be described in more detail with reference to FIGS. Here, FIG. 2 is a manufacturing process diagram showing the manufacturing process of the three-dimensional pattern decorative body according to one embodiment of the present invention. FIG. 3 is a cross-sectional view showing the light reflecting action of the three-dimensional pattern decorative body according to one embodiment of the present invention. FIG. 4 is a surface view showing the light reflecting action of the three-dimensional pattern decorative body according to one embodiment of the present invention.

  First, with reference to FIG. 2, the manufacturing process of the three-dimensional pattern decoration body 100 which concerns on this Example is demonstrated. In FIG. 2, in this embodiment, a flexible transparent sheet 110 is formed of a polymer film made of polyethylene terephthalate resin called PET film.

  As shown in FIG. 2A, in manufacturing the three-dimensional pattern decorative body 100, first, a transparent ink or a translucent ink obtained by adding a pigment to the transparent ink on one surface of the transparent sheet 110. The color layer 120 is formed by screen printing.

  Next, as shown in FIG. 2B, on the color layer 120, a large number of one waveform line 131 formed in a waveform having the regularity shown in FIG. 1 is arranged at the same pitch in the horizontal direction. The printed pattern is screen printed with UV ink (ultraviolet curable ink).

  Then, as shown in FIG. 2C, the UV ink is cured by irradiating the screen printed pattern with ultraviolet rays. By this ultraviolet irradiation, the cross section of each waveform line 131 becomes a substantially semicircular shape with a round shape, and the lens effect can be easily obtained.

  Next, as shown in FIG. 2 (d), screen printing is performed on the ultraviolet curable ink layer 130 obtained by curing the UV ink with an ink having a good reflection efficiency that includes a powdery light reflection component. Thereby, the mirror surface layer 140 is formed.

  Next, as shown in FIG. 2 (e), on the mirror surface layer 140, not only to improve scratch resistance, but also to suppress printing that improves resistance (environment resistance), to form a suppressed printing layer 150. To do.

  In this embodiment, the case is described in which the three-dimensional pattern decorative body 100 is manufactured by printing in multiple layers on the flexible transparent sheet 110. According to this embodiment, since the three-dimensional pattern decorative body 100 is flexible, it can be easily attached to the housing 10 of the electrical product like the opening / closing lid 20 to improve the design. In addition, it can replace with the flexible transparent sheet 110, and can also produce the three-dimensional pattern decoration body 100 which can obtain the same effect by providing the above-mentioned multilayer printing on a transparent material with rigidity.

  Next, the function and effect of the three-dimensional pattern decorative body 100 will be further described with reference to FIGS. 3 and 4.

  First, in FIG. 3, in this embodiment, each wavy line 131 (see FIG. 1) of the wavy pattern constituting the ultraviolet curable ink layer 130 is formed in a substantially semicircular cross-sectional shape, so that it has the function of a lens. ing.

  That is, the light P1 incident on the transparent sheet 110 at a predetermined angle θ1 passes through the transparent sheet 110 and passes through the color layer 120, thereby adding the color of the color layer 120 to the ultraviolet curable ink layer 130. Due to the lens effect, the light is refracted, reflected by the mirror layer 140, and can be observed through the color layer 120 and the transparent sheet 110. During this observation, a shift occurs between the wave pattern of the ultraviolet curable ink layer 130 and the pattern of the ultraviolet curable ink layer 130 reflected by the mirror surface layer 140.

  On the other hand, when the angle of incidence on the transparent sheet 110 is different, the pattern shift of the ultraviolet curable ink layer 130 reflected by the mirror surface layer 140 is different. That is, the light P2 incident on the transparent sheet 110 at the predetermined angle θ2 is refracted at a different angle by the ultraviolet curable ink layer 130 and reflected by the mirror layer 140, so that the deviation of the pattern observed from the outside is also different.

  In this embodiment, since the pattern constituting the ultraviolet curable ink layer 13 is a line pattern in which each waveform line 131 is continuous, the refractive index is different at each position of the line pattern observed from the observation position. Therefore, when the observation position is moved and the ultraviolet curable ink layer 131 is observed, the pattern shift at each position of the line pattern changes differently. Thereby, a deep interference fringe can appear.

  FIG. 4 illustrates how the interference fringes change obtained by the three-dimensional pattern decorative body 100 according to this embodiment. In this embodiment, a wave pattern having a convex pattern with vertices at a pitch of 5 mm is employed.

  First, in this embodiment, when the three-dimensional pattern decorative body 100 is attached, it is attached in such a posture that the direction in which the wavy lines 131 are continuous is the front-rear direction of the electric washing machine 1 (up and down direction on the paper surface) as shown in FIG.

  When such an attachment posture is taken, when the viewing angle (P1, P2, P3) of the observer is changed, an interference fringe having a depth that varies depending on the viewing angle of the horizontal pattern of light appearing on the three-dimensional pattern decorative body 100 is obtained. be able to.

  That is, FIG. 4 shows a state where the observer moves from FIG. 4A at the angle θ1 viewed through FIG. 4B at the angle θ2 to the angle θ3 in FIG. 4C. In each figure, a top view and a side view of the three-dimensional pattern decorative body 100 are shown side by side.

  First, at the angle θ1 shown in FIG. 4A, the skirt portion Q1 on the near side of the apex Q of the waveform can be observed as a band 160 of light that is continuous in the left-right direction. In this embodiment, since the wavy pattern is formed at the same pitch, the light band 160 can be observed so as to appear at the same pitch in the front-rear direction (up and down direction on the paper surface).

  When the light band 160 is moved to an angle θ3 shown in FIG. 4C with the angle θ1 being reduced, the light band 160 is observed in a state of being moved to the skirt portion Q2 on the rear side of the apex Q of the waveform. can do. In this embodiment, the pattern of the three-dimensional pattern decorative body 100 is a wave pattern formed by a continuous line pattern, thereby changing the state from the state of FIG. 4A to the state of FIG. 4C. It can be observed with continuous changes.

  The correspondence of this change is shown in FIG. That is, at the angle θ2 from the angle θ1 to the angle θ3, the light band 160 appearing at the skirt portion Q1 on the front side of the apex Q of the waveform is divided into two light bands 160a and 160b as the angle changes. Thus, the light band 160a on the vertex Q side gradually moves to the rear side of the vertex Q, and the light band 160b on the opposite side of the vertex Q gradually moves to the rear side of the adjacent vertex Q. To do. Then, the two moved light bands 160a and 160b are combined to form a light band 160 that appears at the skirt Q2 on the opposite side of the peak Q of the waveform shown in FIG.

  At the time of this movement, the light band 160a moves at a position where the waveform angle is small in the vicinity of the apex Q of the waveform, so the amount of movement is small and the thickness of the light band 160a is also thin. On the other hand, the light band 160b moves at a position where the waveform angle is large in the vicinity of the bottom of the waveform, so that the amount of movement is large and the thickness of the light band 160b is also large. Further, even though the two separated light bands 160a and 160b are divided, the gradations appear continuously and brighter than the other parts.

  As described above, according to this embodiment, the horizontal stripe pattern appears as interference fringes that gradually become thicker or thinner while obtaining a gradation effect, so that a deep and effective decoration effect can be obtained. it can.

(Other application examples)
FIG. 5 shows another application example. The three-dimensional pattern decorative body 100 according to the present invention is configured by a continuous pattern such that a large number of line patterns 132 constituting the ultraviolet curable ink layer 130 are adjacent to each other. Each line pattern 132 is provided so as to be obliquely positioned with respect to the viewing direction of the observer indicated by the arrow, thereby obtaining interference fringes whose movement amount (change amount) changes in accordance with the angle. it can.

  For example, FIG. 5A shows a pattern in which a zigzag pattern is continuous. In this embodiment, since each line pattern 132 is provided at a uniform angle with respect to the viewing direction, the movement amount (change amount) is uniform. Further, since the apex Q1 is acute, the change in the vicinity of the apex Q1 is not continuous but changes abruptly.

  In addition, the embodiment of FIG. 5B is an embodiment of a pattern in which rhombus sections 180 provided with diagonal patterns are arranged in a staggered manner so that the diagonal patterns intersect. In the embodiment of FIG. 5C, curved or straight line patterns are arranged in the sections 180 arranged in a matrix, and the patterns of the adjacent sections 180 have different directions. is there. As shown in FIG. 5 (b) and FIG. 5 (c), the line pattern is divided into uniformly arranged sections 180, and the line patterns provided in the sections 180 are formed in different patterns. A deep interference fringe that changes for each section 180 can be obtained.

  Further, the embodiment shown in FIG. 5D shows an embodiment in which the three-dimensional pattern decorative body 100 formed of the flexible transparent sheet 110 and the transparent resin material 190 are simultaneously insert-molded. According to this embodiment, a deep interference fringe can be imparted to the transparent resin molded part itself.

  Moreover, although the three-dimensional pattern decorative body 100 having durability has been described in the above embodiment, interference fringes with a high decorative effect are obtained by performing printing similar to the above embodiment on the surface of a transparent resin material. be able to.

  For example, a mirror surface layer 140 as a first layer is printed on the surface of a resin material, an ultraviolet curable ink layer 130 is formed on the surface, a color layer 120 is formed on the surface, and a durable transparent film is formed on the top. It may be possible to apply UV coating.

DESCRIPTION OF SYMBOLS 1 ... Electric washing machine, 10 ... Housing, 11 ... Base housing, 12 ... Top cover, 13 ... Lower housing, 14 ... Operation switch part, 15 ... Front arrangement surface, 16 ... Water supply port, 17 ... Rear arrangement surface, 20 DESCRIPTION OF SYMBOLS ... Opening / closing lid | cover, 21 ... Connecting part, 22 ... Handle, 100 ... Three-dimensional pattern decorative body, 110 ... Transparent sheet, 120 ... Color layer, 130 ... UV curable ink layer, 131 ... Wave line, 132 ... Line pattern, 140 ... Mirror surface layer, 150 ... restraining printing layer, 160 ... light band, 180 ... partition, 190 ... resin material.

Claims (9)

Transparent UV-curable ink layer composed of interference fringes formed with a continuous line pattern between a transparent sheet which is a base member of a three-dimensional pattern decorative body and a mirror surface layer printed on one surface of the transparent sheet A three-dimensional pattern ornament. The three-dimensional pattern decorative body according to claim 1,
The three-dimensional pattern decorative body, wherein the transparent sheet is formed of a flexible resin material. The three-dimensional pattern decorative body according to claim 1 or 2,
The ultraviolet curable ink layer has a line pattern in which a plurality of wavy lines are continuously arranged. In the three-dimensional pattern decorative body according to any one of claims 1 to 3,
A three-dimensional pattern decorative body, wherein a transparent color layer for adding color is provided between the transparent sheet and the mirror surface layer. The three-dimensional pattern decorative body according to claim 4,
The three-dimensional pattern decorative body, wherein the color layer is provided between the transparent sheet and the ultraviolet curable ink layer. In the three-dimensional pattern decoration body in any one of Claim 1 to 5,
A three-dimensional decorative body comprising a printed layer that is suppressed on the back side of the mirror surface layer. An electrical product having a three-dimensional decorative body on the surface of the housing,
The three-dimensional pattern ornament is
A transparent ultraviolet curable ink layer composed of interference fringes formed in a continuous line pattern between a transparent sheet taken as a base member of this three-dimensional pattern decorative body and a mirror surface layer printed on one surface of the transparent sheet An electrical product equipped with a three-dimensional pattern ornament. An electrical product having a three-dimensional decorative body on the surface of the housing,
The three-dimensional pattern ornament is
A transparent sheet taking the base member of this three-dimensional pattern decorative body,
A transparent color layer for adding a color to be printed on one surface of the transparent sheet;
A transparent UV curable ink layer composed of interference fringes formed with a continuous line pattern printed over this color layer;
A mirror layer printed on the transparent UV-curable ink layer,
An electrical product provided with a three-dimensional pattern decorative body, characterized in that it includes a suppression printing layer that is overprinted on the mirror surface layer. In the electric product provided with the three-dimensional pattern decorative body according to claim 7 or 8,
The electrical product provided with a three-dimensional pattern decorative body, wherein the ultraviolet curable ink layer has a line pattern in which a plurality of wavy lines are continuously arranged.

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