JP2006232065A - Automobile decorating component - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To ensure sufficient brightness at nighttime, and to improve the visibility of decoration on a surface decorating article. <P>SOLUTION: A decoration panel 1 comprises a molding element 15 made from transparent resin including luminous pigment and having a front surface and a back surface, a print layer 16 formed on the front surface side of the molding element 15, and a clear coat layer 17 formed on the front surface side of the molding element so as to cover the print layer 16. A lamp 13 is disposed on the back surface side of the molding element 15, and the luminous pigment 18 of the molding element 15 absorbs light emitted by the lamp 13 to make the molding element 15 emit light. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an automotive decorative part including a surface decoration that is configured to emit light using a phosphorescent pigment.

  In automotive interior parts, many surface decorations (for example, console boxes, instrument panels, armrests, etc.) that add decoration to the surface of the molded body by hydraulic transfer to improve design and quality have been put to practical use. ing. Here, the hydraulic transfer is a technique in which a special film is floated on the surface of the water, and a predetermined pattern printed on the film (pattern such as wood grain pattern or geometric pattern) is transferred to the surface of the molded product by water pressure. Printing on a three-dimensional curved surface can be performed accurately and easily.

Moreover, in the surface decoration product decorated by this hydraulic transfer, a product has been proposed in which a light emitting layer containing a phosphorescent pigment is formed to improve visibility at night (see, for example, Patent Document 1). ).
JP-A-8-258498

  By the way, in the surface decoration like patent document 1, a light emitting layer absorbs sunlight irradiated from the surface side, and emits light. Accordingly, light cannot be accumulated at night, and the luminance of the light emitting layer decreases with time, making it difficult to recognize the pattern applied to the component surface. In addition, depending on the part shape, there is a part where the sunlight is not irradiated. Therefore, there is a problem that the light emitting layer provided in the part cannot sufficiently accumulate light and a desired luminance feeling cannot be obtained.

  SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and its object is to provide a decorative part for an automobile that can ensure a sufficient brightness at night and can improve the visibility of decoration in a surface decoration product. Is to provide.

  In order to solve the above-mentioned problems, the invention according to claim 1 is a molded body made of a transparent resin containing a phosphorescent pigment and having a front surface and a back surface, a printed layer formed on the surface side of the molded body, and the printing A surface coating product having a clear coat layer formed on the surface side of the molded body so as to cover the layer, and a light emitting portion is disposed on an inner layer side of the print layer and the clear coat layer, The gist of the present invention is a decorative part for an automobile characterized in that the phosphor can absorb light emitted by the phosphorescent pigment.

  According to the first aspect of the present invention, when the light emitting portion disposed on the inner layer side of the print layer and the clear coat layer emits light, the light is irradiated to the phosphorescent pigment in the molded body made of the transparent resin. If it does in this way, the light of a light emission part can be accumulate | stored in the luminous pigment of a molded object at night, and the fall of the brightness | luminance feeling of a molded object can be prevented. Therefore, at night, the molded body emits light with high brightness and illuminates the printed layer, so that the decoration formed by the printed layer can be reliably recognized.

  Invention of Claim 2 was formed in the surface side of the molded object which consists of transparent resin, and has the surface and the back surface, the light emitting layer formed in the surface side of the said molded object, and a phosphorescent pigment, and the said light emitting layer A surface decoration product having a printed layer and a clear coat layer formed on the surface side of the molded body so as to cover the printed layer is provided, and a light emitting portion is disposed on the inner layer side of the printed layer and the clear coat layer. The gist of the present invention is an automotive decorative part characterized in that the light-emitting layer absorbs light emitted from the light-emitting portion so that the light-emitting layer can emit light.

  According to invention of Claim 2, when the light emission part arrange | positioned in the inner layer side rather than a printing layer and a clearcoat layer emits light, the light is the luminous pigment of a light emitting layer through the molded object which consists of transparent resin. Is irradiated. If it does in this way, the light of a light emission part can be accumulate | stored in a light emitting layer at night, and the fall of the brightness | luminance feeling of a light emitting layer can be prevented. Therefore, at night, the light emitting layer emits light with high brightness to illuminate the printed layer, so that the decoration formed by the printed layer can be reliably recognized.

  Examples of the transparent resin of the molded body in the present invention include resins such as polycarbonate resin, acrylic resin, and vinyl chloride resin. Examples of the luminous pigment include pigments mainly composed of strontium oxide, aluminum oxide, calcium oxide, magnesium oxide and the like.

  The gist of a third aspect of the present invention is that, in the first or second aspect, the light emitting portion is an electroluminescent means disposed on the back side of the molded body.

  According to the third aspect of the invention, since bright light can be generated by energizing the electroluminescent means, the luminous pigment can absorb light efficiently, and the molded body or the light emitting layer can be securely attached. Can emit light.

  The gist of a fourth aspect of the present invention is that, in the third aspect, the electroluminescent means generates ultraviolet rays.

  According to the fourth aspect of the present invention, the phosphorescent pigment can absorb light more efficiently by irradiating ultraviolet rays having energy larger than that of visible light.

  According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the surface decoration is a cover part that covers the periphery of a switch mounting portion in an automobile, and the light emitting portion is the switch mounting portion. It is the gist that it is arranged on the back side corresponding to the part.

  According to the fifth aspect of the present invention, since the light emitting portion is disposed on the back side corresponding to the switch mounting portion, it is possible to irradiate light around the switch mounting portion. Therefore, at night, the position of the switch can be easily confirmed by the molded body or light emitting layer that has absorbed the light emitting light to illuminate the switch mounting portion.

  As described above in detail, according to the first to fifth aspects of the invention, it is possible to ensure a sufficient brightness at night and to improve the visibility of the decoration on the surface decoration product.

[First Embodiment]

  DESCRIPTION OF EMBODIMENTS A first embodiment embodying the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view showing a surface decorative article in the present embodiment, and FIG. 2 is an explanatory view showing an attachment position of the surface decorative article.

  As shown in FIGS. 1 and 2, the surface decoration 1 of the present embodiment is a decorative panel that covers the upper surface of the armrest 3 provided on the door 2 of the automobile, and includes a power window switch 4 and a door lock switch 5. It functions as a cover part that surrounds the periphery of the switch mounting part.

  The decorative panel 1 is provided with a storage portion 6 for inserting the power window switch 4 and an insertion hole 7 for inserting the door lock switch 5 and the like. In the decorative panel 1, the surface (panel upper surface) 1a excluding the storage portion 6 and the insertion hole 7 is decorated with, for example, a wood grain pattern.

  As shown in FIG. 3, the storage unit 10 formed inside the armrest 3 (the back side of the decorative panel 1) detects the operation of each switch 4, 5 and generates a signal corresponding to the switch operation. A processing circuit 11 is provided. On the substrate 12 on which the processing circuit 11 is formed, a lamp 13 that illuminates light toward the decorative panel 1 is provided. The lamp 13 according to the present embodiment is a UV lamp that irradiates ultraviolet rays, and is turned on / off (turned on / off) in conjunction with a headlight switch (not shown). The UV lamp may be constantly lit when the headlight is on, but power may be saved by intermittently lighting the headlight when the headlight is on.

  As shown in FIG. 4, the decorative panel 1 is formed on the surface side of the molded body 15 so as to cover the molded body 15, the printed layer 16 formed on the surface side of the molded body 15, and the printed layer 16. And a clear coat layer 17.

  The molded body 15 is molded into a panel shape using a transparent resin containing the phosphorescent pigment 18. When light is applied to the molded body 15, the molded body 15 that has absorbed the light emits light in the dark. As the phosphorescent pigment 18, for example, a pigment containing strontium as a main component is used. As the transparent resin, for example, an acrylic resin is used. Transparent resin should just be resin which permeate | transmits light, and can use colored transparent resin other than colorless and transparent resin.

  The printing layer 16 is produced by performing gravure printing on a water-soluble film (not shown), and decorates the surface of the molded body by being transferred onto the surface of the molded body 15 by hydraulic transfer. The pattern of the printing layer 16 in the present embodiment is a wood grain pattern. In addition to the wood grain pattern, the printed layer 16 may be a geometric pattern or a marble pattern.

  The clear coat layer 17 is formed by applying a clear paint, and functions as a protective film that protects the print layer 16. As this clear paint, for example, a transparent clear paint such as a two-component urethane paint is used.

  Next, the operation of the decorative panel 1 of the present embodiment will be described.

  In the daytime, when sunlight is applied to the surface 1a of the decorative panel 1, the decoration (grain pattern) applied to the surface 1a is recognized, so that the appearance quality of the decorative panel 1 is improved. At this time, sunlight is applied to the molded body 15 (phosphorescent pigment 18) through the clear coat layer 17. When the surroundings of the decorative panel 1 become dark at night, the molded body 15 that absorbs light emits light to illuminate the decoration, so that a beautiful appearance different from that of a bright place is obtained.

  On the other hand, if the automobile is not driven for a long time at night, the brightness of the molded body 15 gradually decreases with the passage of time, and the decoration of the decorative panel 1 becomes difficult to recognize. Irradiation with light improves the visibility of the decoration.

  Specifically, when the headlight switch is turned on to drive the automobile at night, the lamp 13 disposed on the back side of the decorative panel 1 is turned on, and the molded body 15 is irradiated with the light. Thereafter, when the headlight switch is turned off and the lamp 13 is turned off, the molded body 15 that has absorbed the light emits light to illuminate the decoration, so that a beautiful appearance is maintained by the decoration.

  Therefore, according to the present embodiment, the following effects can be obtained.

  (1) In the case of the present embodiment, the brightness of the molded body 15 is obtained by irradiating the decorative panel 1 with light from the lamp 13 and causing the luminous pigment 18 of the molded body 15 to absorb the light during nighttime operation. Can be increased. As a result, the vehicle occupant can reliably recognize the decoration applied to the decorative panel 1.

  (2) In the case of the present embodiment, since the lamp 13 which is an electric light emitting means is used, the lamp 13 can be quickly turned on / off according to the switch operation of the headlight by the driver. Further, since the lamp 13 is disposed on the back side of the molded body 15, the light of the lamp 13 can be reliably irradiated onto the molded body 15. If it does in this way, at the night which cannot absorb sunlight from the surface side of the decoration panel 1, the lamp | ramp 13 will light and the molded object 15 can be made to absorb the light reliably.

  (3) In the case of the present embodiment, since bright light can be generated by energizing the lamp 13, the luminous pigment 18 can efficiently absorb the light. For this reason, the molded object 15 can be light-emitted reliably. In particular, since the lamp 13 of the present embodiment irradiates ultraviolet rays having energy larger than that of visible light, the luminous pigment 18 can absorb light more efficiently.

  (4) In the case of this embodiment, when the headlight is turned off after night driving of the automobile, the decorative panel 1 surrounding the switch mounting portion emits light, so the positions of the switches 4 and 5 should be easily confirmed. Can do.

(5) The decorative panel 1 of the present embodiment surrounds the periphery of the switch mounting portion, and a substrate 12 on which the processing circuits 11 of the switches 4 and 5 are formed is installed on the back side of the decorative panel 1. Has been. Therefore, the lamp 13 can be provided on the substrate 12 without providing a dedicated fixing member for fixing the lamp 13. In addition, power can be easily supplied from the battery of the automobile to the lamp 13 via the wiring on the substrate 12, which is practically preferable.
[Second Embodiment]

  Next, a second embodiment of the present invention will be described with reference to FIG. The decorative panel 20 of the present embodiment has the same external shape as the decorative panel 1 of the first embodiment shown in FIG. 1 and is used as a decorative panel that covers the upper surface of the armrest 3.

  As shown in FIG. 5, the decorative panel 20 includes a molded body 21, a light emitting layer 22 formed on the surface side of the molded body 21, a printed layer 23 formed on the surface side of the light emitting layer 22, and a printed layer. 23 and a clear coat layer 24 formed on the surface side of the molded body 21.

  The molded body 21 is molded using a transparent resin such as an acrylic resin. The light emitting layer 22 is formed by applying a phosphorescent paint in which the phosphorescent pigment 18 is mixed. When the light emitting layer 22 is irradiated with light, the light emitting layer 22 that has absorbed the light emits light in a dark place. The printing layer 23 decorates the surface of the molded body by being transferred onto the surface of the light emitting layer 22 by water pressure transfer. The clear coat layer 24 is formed by applying a clear paint, and functions as a protective film that protects the print layer 23.

  Also in this decorative panel 20, when the surface is irradiated with sunlight, a decoration (for example, a woodgrain pattern) applied to the surface is recognized, so that the appearance quality of the decorative panel 20 is improved. At this time, sunlight is irradiated to the light emitting layer 22 through the clear coat layer 24. When the surroundings of the decorative panel 20 become dark at night, the light emitting layer 22 emits light to illuminate the decoration, so that a beautiful appearance different from a bright place can be obtained.

  Further, when the lamp 13 disposed on the back side of the decorative panel 20 is turned on at night, the light emitted from the lamp 13 is irradiated onto the light emitting layer 22 through the transparent molded body 21. When the lamp 13 is turned off, the light-emitting layer 22 that has absorbed the light emits light to illuminate the decoration, so that a beautiful appearance is maintained by the decoration.

  Thus, also in the decorative panel 20 of this Embodiment, the effect similar to 1st Embodiment can be obtained.

  In addition, you may change embodiment of this invention as follows.

  In each of the above embodiments, the lamp 13 that emits ultraviolet rays is used as the light emitting unit. However, a light source such as a light emitting diode or a fluorescent lamp may be used in addition to this.

  In each of the above embodiments, the lamp 13 is disposed on the back side of the decorative panels 1 and 20, but is not limited thereto, and the printing layers 16 and 23 and the clear coat in the decorative panels 1 and 20 are not limited thereto. What is necessary is just to arrange | position a light emission part inside the layers 17 and 24. FIG. Specifically, for example, a light emitting body (light emitting portion) such as a light emitting diode may be embedded in the molded body itself of the decorative panels 1 and 20. Further, a light emitter may be provided on the door body side, and the light may be propagated by an optical fiber to irradiate the molded body 15 and the light emitting layer 22. That is, in this case, the end of the optical fiber substantially serves as a light emitting part. Furthermore, it may be configured to irradiate the molded body 15 and the light emitting layer 22 by reflecting light with a mirror or the like.

  In each of the above-described embodiments, the armrest decoration panels 1 and 20 are embodied. However, other embodiments may be embodied in an instrument panel, a console box, and other decoration panels. Of course, the present invention is not limited to automobile decorative parts provided in the interior of an automobile, and may be embodied in exterior parts (for example, wheel parts) provided outside the room.

  In the decorative panels 1 and 20 of the above embodiments, the print layers 16 and 23 are formed by hydraulic transfer, but the print layers may be formed by other methods such as screen printing.

  In the above embodiment, the two-component urethane paint is used as the clear paint, but a one-component urethane paint may be used. Of course, a clear paint such as an acrylic paint may be used in addition to the urethane paint.

  Next, in addition to the technical ideas described in the claims, the technical ideas grasped by the respective embodiments described above are listed below.

  (1) In Claim 3 or 4, the said electroluminescent means is turned on / off in conjunction with the switch of the headlight of a motor vehicle, The decorative part for motor vehicles characterized by the above-mentioned.

  (2) In Claim 5, the said electroluminescent means is provided on the board | substrate with which the processing circuit of the switch was formed, The decorative component for motor vehicles characterized by the above-mentioned.

  (3) The automotive decorative part according to any one of claims 1 to 5, wherein the surface decorative article is a decorative panel provided in a vehicle interior.

  (4) The decorative part for automobile according to any one of claims 1 to 5, wherein the printed layer is formed on a surface side of the molded body by hydraulic transfer.

The perspective view which shows the decoration panel of 1st Embodiment which actualized this invention. Explanatory drawing which shows the attachment position of a decoration panel. Sectional drawing of an armrest. Sectional drawing of the decoration panel of 1st Embodiment. Sectional drawing of the decoration panel of 2nd Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,20 ... Decorative panel as surface decoration product 13 ... Lamp as light emitting part 15, 21 ... Molded body 16, 23 ... Print layer 17, 24 ... Clear coat layer 18 ... Luminescent pigment 22 ... Light emitting layer

Claims (5)

A molded body made of a transparent resin containing a phosphorescent pigment and having a front surface and a back surface;
A printed layer formed on the surface side of the molded body;
A surface decorative article having a clear coat layer formed on the surface side of the molded body so as to cover the print layer,
A decorative part for automobiles, wherein a light emitting part is arranged on the inner layer side of the printed layer and the clear coat layer, and the molded body can emit light by absorbing light emitted from the light emitting part by the phosphorescent pigment. . A molded body made of a transparent resin and having a front surface and a back surface;
A light emitting layer formed on the surface side of the molded body and containing a phosphorescent pigment;
A printed layer formed on the surface side of the light emitting layer;
A surface decorative article having a clear coat layer formed on the surface side of the molded body so as to cover the print layer,
A decorative part for automobiles, wherein a light emitting part is arranged on the inner layer side of the printed layer and the clear coat layer, and the light emitting layer absorbs light emitted from the light emitting part, so that the light emitting layer can emit light. .   The automobile light emitting part according to claim 1 or 2, wherein the light emitting part is an electric light emitting means disposed on the back side of the molded body.   4. The automotive decorative part according to claim 3, wherein the electric light emitting means generates ultraviolet rays.   The said surface decoration is a cover part which covers the circumference | surroundings of the switch attachment part in a motor vehicle, The said light emission part is arrange | positioned on the back side corresponding to the said switch attachment part, The Claim 1 thru | or 5. The automotive decorative part according to any one of 4 above.

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