JPH06302203A - Lighting fixture for vehicle - Google Patents

Abstract

(57) [Abstract] [Purpose] In a conventional vehicle lamp having an ornament on the lens surface, the problem is that the ornament is opaque and the light emitting area of the vehicle lamp is reduced to impair its function. Was there. According to the present invention, the ornament 2 is a transparent hologram film 2a, which is substantially transparent because it is a vehicular lamp 1 that is integrated with the surface of the inner lens 4 by sticking or insert molding. The problem is solved by assuming that the ornament 2 is displayed by the hologram film 2a and that the light amount of the light from the light source 5 is not lost.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicular lamp, and more particularly to a vehicular lamp having an ornament for displaying a manufacturer name, a car name, a mark, etc. on a lens surface. is there.

[0002]

2. Description of the Related Art FIGS. 4 and 5 show an example of the configuration of a conventional vehicle lamp 90 of this type, and an outer lens 9
Characters, figures, etc. that you want to display on the back of 1 etc.
The ornament 92 is formed by engraving a mold so as to be formed as 2a and forming an opaque film 92b on the top surface of the convex portion 92a by an appropriate means such as painting or hot stamping.

The ornament 92 formed as described above is viewed as the shape and color of the opaque film 92b by external light when the vehicle lamp 90 is not lit during the daytime, and at night, the light source of the vehicle lamp 90 is observed. It is illuminated from the back by lighting 93, and is displayed as a shadow character on the surface of the outer lens 91. Reference numeral 94 in the drawing is an inner lens, and reference numeral 95 is a housing.

[0004]

However, in the structure of the conventional ornament 92 described above, first of all, since the ornament 92 is formed as an opaque one, the light emitting area of the outer lens 91 at the time of lighting is reduced. This causes a problem that the function of the vehicular lamp 90 is deteriorated.

Secondly, as is apparent from the above description, engraving corresponding to the ornament 92 is required in the mold, the depreciation cost increases, the outer lens 91 itself increases in cost, and the outer lens 91 also increases. Each sheet needs to be painted or processed by hot stamping or the like, which causes a problem that the vehicle lamp 90 becomes expensive in total, and it has been a problem to solve these points. .

[0006]

As a concrete means for solving the above-mentioned conventional problems, the present invention provides a vehicle lamp having an ornament on its lens surface, wherein the ornament is a transparent hologram film. The present invention is to solve the problem by providing a vehicular lamp characterized by being integrated with the surface of a lens by pasting or insert molding.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described in detail based on an embodiment shown in the drawings. 1 is a vehicular lamp according to the present invention, and an ornament 2 is provided on the lens surface of the vehicular lamp 1 so that, for example, a vehicle name is displayed. Similar to the example.

At this time, in the present invention, the ornament 2 is formed of a transparent hologram film 2a, and the hologram film 2a is the back surface of the outer lens 3 or the front surface of the inner lens 4 (the front surface of the inner lens 4 is shown). (Shown in the example of)).

Here, the hologram film 2a may be attached to the outer lens 3 (or the inner lens 4) by using an adhesive or the like, but the outer lens 3 (or the inner lens 4) is molded. At this time, the integral molding may be performed by means such as insert molding.

In actual practice, the outer lens 3 or the inner lens 4 is required to have a lens cut or the like for setting the light distribution characteristics of the vehicular lamp 1. At this time, the hologram film 2a is used. In order not to disturb the shape of the ornament 2 caused by the above, the lens cut and the like are provided on the back surface of the inner lens 4, and the outer lens 3 is in a plain shape. The reference numeral 6 in the drawing is a housing.

Further, the hologram film 2a is a film obtained by taking, as a hologram photograph with a laser beam, a film in which the car name and the like described above are formed in an appropriate three-dimensional shape, and in this embodiment, a rainbow treatment is further performed. It is supposed that the hologram image can be viewed even in sunlight, which is hologram-formed and in which lights of different wavelengths are mixed.

In forming the hologram film 2a, a means for mass-producing it by embossing a transparent resin with a die based on the above-mentioned hologram photograph has already been established. It is good and does not cause any problems in productivity.

Next, the operation and effect of the vehicular lamp 1 of the present invention having the above structure will be described. FIG. 2 shows the vehicular lamp 1 as viewed when it is not lit. When the hologram film 2a is irradiated with external light such as sunlight, it is recorded as interference fringes on the hologram film 2a. The ornament 2 thus reproduced is reproduced and transmitted through the outer lens 3 to be viewed.

Since the position at which the ornament 2 is reproduced at this time is the position recorded on the hologram film 2a, it does not always coincide with the front surface of the inner lens 4 provided with the hologram film 2a. Therefore, the position can be freely set by, for example, further projecting it from the outer lens 3.

FIG. 3 shows the light source 5 of the vehicular lamp 1 in a turned-on state. At this time, a hologram image is formed on the hologram film 2a by light having a long wavelength side in the front direction, that is, red light. If an incandescent lamp having a relatively low color temperature is adopted as the light source 5 without forming the ornament 2, the ornament 2 is substantially extinguished by the light having a low color temperature from the back side and the long-wavelength side being dominant. It is assumed that the light emitting area of the lamp 1 is not reduced.

In the configuration of the present invention, the light from the light source 5 is emitted to the outside as irradiation light after passing through the hologram film 2a, but at this time, the hologram film 2a is practically almost not emitted. Because it is transparent,
The loss of light quantity becomes practically negligible.

[0017]

As described above, according to the present invention, the ornament is a transparent hologram film, and the vehicular lamp is integrated on the surface of the outer or inner lens by sticking or insert molding.
As a means for displaying an ornament by a substantially transparent hologram film, it does not cause a loss of the amount of light when the light of the light source is transmitted, and exhibits an extremely excellent effect for improving the function of the vehicular lamp.

Further, with the above structure, it is possible to simplify the structure of the mold without engraving or the like for forming the ornament in the mold for forming the outer or inner lens, and to apply the coating or the like. Since it is not necessary to perform the processing for each lens, the vehicle lamp provided with this kind of ornament has an excellent effect on cost reduction.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an embodiment of a vehicular lamp according to the present invention.

FIG. 2 is an explanatory diagram showing a non-lighted state of the same embodiment.

FIG. 3 is an explanatory diagram showing a lighting state of the same embodiment.

FIG. 4 is a perspective view showing a conventional example.

5 is a cross-sectional view taken along the line AA of FIG.

[Explanation of symbols]

 1 ... Vehicle lamp 2 ... Ornament 2a ... Hologram film 3 ... Outer lens 4 ... Inner lens 5 ... Light source 6 ... Housing

Claims (1)

[Claims] 1. A vehicular lamp having an ornament on the lens surface, wherein the ornament is a transparent hologram film and is integrated on the surface of the lens by pasting or insert molding. Light fixture.