JP2002046529A - Lighting system part for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a low-cost lighting system having high decorative property and capable of lighting up a spot close to the feet of an occupant getting in and out with sufficient brightness. SOLUTION: The lighting system part for a vehicle is so characterized that ornaments 4 are assembled, in order, by in-mold transfer having a luminous body 6 formed out of an electroluminescence for expressing a luminescence panel to express a luminescent function and a logo mark 5 formed of a translucent resin material and formed on a surface; and the ornaments are assembled, in order, on the surface of a garnish 3 of a part made of vehicle illumination resin molded by using a resin material or a metal material.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention can mainly illuminate a foot of a lower edge of a door entrance at the time of getting on and off a passenger when getting on and off.
The present invention relates to a lighting device component for a vehicle that is useful for protecting a lower edge of a door entrance and a scuff plate having a high decorative property and the like.

[0002]

2. Description of the Related Art In recent years, a scaffold plate attached to the lower edge of a vehicle entrance / exit to secure the upper surface of a rocker panel at the lower edge of a door entrance / exit and to have an elegant design, etc., has recently used a company emblem or vehicle name when an occupant gets on / off. Automobiles with the function of lighting have been proposed. For example, a light emitting function for a scuff plate foot lighting device including a decorative portion made of resin or glass on the upper surface of a lower edge rocker panel of a door of a vehicle is known, and the decorative portion has a corporate emblem. The light emitting diode 15 with the light guide is arranged behind the decorative portion, but the arrangement of the light guide and the light emitting diode requires a lot of space. Further, there is a scuff plate or the like in which a character area such as a company emblem car name is illuminated when a door is opened by using a light-emitting sheet behind a decorative portion when space cannot be secured.

[0003]

However, in the above scuff plate foot lighting device, a character area such as a company emblem car name has an ornament assembled from the back of the product, and the luminous body is arranged on the back of the product via the ornament. It is exposed to. Therefore, there are restrictions on the design and freedom of design of ornaments, and high-quality designs lead to an increase in the number of parts, and since they are exposed on the back of the product, muddy water that enters from outside the vehicle can be reliably prevented. It is not easy, and the light emitting circuit may be short-circuited due to contact with a vehicle metal part close to the back surface of the product. Even if the installation location is considered and the insulation design and seal design are applied to the back of the product, there is a problem that reliable insulation and sealing cannot be performed when opening and closing the door due to variations in product assembly and looseness of the tightening due to vehicle vibration, and factors that increase costs. Sometimes. SUMMARY OF THE INVENTION The present invention has been made in view of the above-described conventional problems, and an object of the present invention is to provide a low-cost illumination device having high decorativeness that can illuminate the foot of an occupant getting on and off with sufficient brightness.

[0004]

According to the present invention, a luminous element is controlled to be turned on when the door is opened and turned off when the door is closed. A seal attached to a resin or metal garnish 3 is provided.
An ornament 4 made of a translucent resin material by in-mold transfer and a luminous body 6 composed of an electroluminescence panel (hereinafter referred to as an EL panel) for expressing a light-emitting function. It is an object of the present invention to provide a vehicle lighting device capable of setting a wide range of design freedom and realizing high decorativeness at low cost without forming a light refracting portion on the front or back surface of the vehicle.

That is, the invention of claim 1 is characterized in that a luminous body 6 composed of an electroluminescent panel for expressing a luminous function is provided on a surface of a garnish 3 of a vehicle lighting resin component formed of a resin material or a metal material; A lighting device component for a vehicle, wherein ornaments 4 made of a translucent resin material and provided with logo marks 5 on the surface by in-mold transfer are sequentially assembled.

According to the above invention, since the lower edge of the door entrance is illuminated with the luminous body, the foot of the occupant getting on and off can be sufficiently illuminated from near. And this invention is a garnish 3
The luminous body 6 composed of an EL panel for expressing a planar luminous function is formed between the luminous body 6 and the ornament 4 by in-mold transfer composed of a translucent resin material, thereby improving waterproofness. In addition, the sewage from the outside of the vehicle can be sufficiently prevented, and at the same time, the degree of freedom of design can be set widely by the ornament 4 by in-mold transfer, and high decorativeness can be realized at low cost. Further, since the light-emitting members are formed sequentially, maintenance of only the light-emitting members is possible. Further, by controlling the turning on and off of the assembled light emitting body according to the opening and closing of the door, useless power consumption can be prevented.

The invention according to claim 2 is characterized in that a brightness increasing film 8 is provided between the luminous body 6 and the ornament 4 formed by in-mold transfer, and the brightness increasing film 8 is used as a light refracting portion. Item 2 is a lighting measure component of the vehicle according to Item 1.

Further, the invention according to claim 3 is characterized in that a light refracting portion is provided by forming a diamond cut surface or a prism surface on the front or back surface of the ornament 4 by in-mold transfer for expressing a design. 1. A lighting measure component of the vehicle according to 1.

According to the second and third aspects of the present invention, since the light refracting portion is formed on the front surface or the back surface of the ornament 4, the luminance of the luminous body itself is reduced by about 40% while maintaining the conventional luminance. Therefore, power consumption that contributes to the EL panel can be reduced.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As an embodiment of the present invention, an example in which a scuff plate of an automobile is applied to a foot lighting device will be described in detail with reference to FIGS. FIG.
The application site of the present invention is schematically illustrated. As shown in this figure, a scuff plate 1 is provided on the upper surface of a lower edge rocker panel 9 of a door 14 of a vehicle body 13. Further, the vehicle 1 has a door 1 near the door opening 13a.
4 is provided with a limit switch (no symbol) for detecting the opening / closing operation of the switch 4, and this limit switch is connected to a controller (not shown).

FIG. 2 is a sectional view taken along the line AA of FIG. 1, showing the lower edge of the vehicle door entrance. Also, FIG.
It is a partial enlarged view. As shown in FIG. 2, a rocker panel 9 including a rocker panel outer 9a and a rocker panel inner 9b at a lower edge of a door entrance of the vehicle is formed. Reference numeral 10 denotes a floor carpet hook, 11 denotes a floor carpet, and 12 denotes a wire harness with a clip.

A garnish 3 is provided on the upper surface of the rocker panel 9 and a luminous body 6 for expressing a luminous function is provided on the garnish 3. An ornament 4 having a logo mark 5 on its surface is provided.

The luminous body 6 is composed of an EL panel, is connected to a controller, and is controlled to be turned on and off according to the opening / closing operation of the door 14 and the like.

The above garnish 3 and ornament 4
As shown in detail in FIG. 3, the light-emitting element 6 completely covers the light-emitting body 6 and extends over the entire area in the front-rear direction of the rocker panel 9a. The ornament 4 is made of a translucent material, and has a plurality of mounting bosses provided on the back surface in the entire length direction of the vehicle, and is attached to the garnish 3 by thermal caulking. An ornament seal 4b is formed integrally with the edge of the ornament 4 in the vehicle width direction.

The ornament 4 is made of an acrylic resin,
The whole is made of a transparent resin such as a polycarbonate resin or the like, and the surface of the product, that is, the ornamental design part 4a is decorated by in-mold molding, and the in-mold transfer foil can express high decorativeness. Further, except for the logo portion 5 of the company emblem and the vehicle name, the use of the concealed transfer foil also eliminates the concealment painting process for preventing the EL panel from leaking.

In the above embodiment, when the door 14 is opened, the light emitter 6 is energized and turned on based on the output signal of the limit switch. Here, the luminous body 6 is mounted on the rocker panel outer 9a of the door opening 13a having a narrow mounting space.
, The ground at the time of getting on and off can be illuminated with sufficient brightness around the feet, and the occupant can check the feet and get on and off safely.

In this embodiment, when the door 14 is closed, the power supply to the light emitter 6 is stopped and the light is turned off. Therefore, power can be prevented from being wasted without forgetting to turn it off.

FIG. 4 is an enlarged sectional view showing another embodiment of the portion C in FIG. In this embodiment, in order to suppress power consumption, a brightness increasing film 8 made of an acrylic resin or polyethylene terephthalate having a thickness of about 150 μm is inserted between the ornament 4 and the luminous body 6. Due to the presence of the brightness increasing film 8, even if the brightness of the light emitting body itself is reduced by about 40%, the brightness of the light emitting body itself without the brightness increasing film 8 can be maintained at 100%. Can be reduced.

FIG. 4 is an enlarged sectional view showing another embodiment of the portion C in FIG. In this embodiment, a diamond-cut surface or a prism-shaped surface is previously formed on the surface of the ornament 4 in a mold. That is, since the diamond-cut surface or the prism-shaped surface serves as a light refracting portion, a luminance increase equivalent to that of the luminance increasing film 8 can be realized, and a cheaper luminous body can be formed. It is needless to say that the same effect can be obtained even if the light refracting portion is formed on the back surface of the ornament 4.

[0020]

As described above, according to the scuff plate illuminating device for a vehicle according to the present invention, since the illuminator for illumination is provided on the rocker portion at the lower edge of the door of the vehicle, the so-called scuff plate, for example, at night. Even in dark places, the position of the rocker at the lower edge of the door entrance can be easily checked. In addition, since the ornament is formed and assembled by in-mold transfer, it contributes to high decorativeness of the ornament and to improvement of insulation and waterproofness of the luminous body. In addition, by providing the brightness increasing portion, the required brightness can be emitted with less power consumption, and furthermore, since the turning on and off is controlled based on the opening and closing movement of the door, the operation burden on the driver is small and good usability is obtained. .

[Brief description of the drawings]

FIG. 1 is a schematic view showing an embodiment of a vehicle lighting device according to the present invention, showing an application site of a portion where a vehicle body lighting device is provided.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is an enlarged sectional view of a portion B in FIG. 2;

FIG. 4 is an enlarged sectional view showing another example of a portion C in FIG. 3;

FIG. 5 is an enlarged sectional view showing another example of a portion C in FIG. 3;

FIG. 6 is an enlarged cross-sectional view of a light emitting unit of a conventional example.

[Explanation of symbols]

1 scuff plate, 3 garnish, 4 ornament,
4a ornament design part, 4b ornament seal part, 5 logo mark, 6 luminous body,
8 Brightness increasing film 9
Rocker panel, 9a Rocker panel outer, 9b Rocker panel inner,
10 floor carpet hook, 11 floor carpet, 12 wire harness with clip, 13 body,
13a door opening, 14 door,
15 Light emitting diode with light guide.

Claims (3)

1. A light emitting device comprising an electroluminescent panel for expressing a light emitting function on a surface of a garnish 3 of a vehicle lighting resin component formed of a resin material or a metal material. A lighting device part for a vehicle, wherein a body 6 and an ornament 4 made of a translucent resin material and formed by in-mold transfer and provided with a logo mark 5 on its surface are sequentially assembled. 2. A vehicle lighting device according to claim 1, wherein a brightness increasing film is provided between the luminous body and the ornament by in-mold transfer, and the brightness increasing film is used as a light refraction portion. Measure parts. 3. The vehicle lighting device according to claim 1, wherein a light refracting portion is provided by forming a diamond-cut surface or a prism surface on the front or back surface of the ornament 4 by in-mold transfer for expressing a design. parts.