JPH048711Y2 - - Google Patents

Description

[Detailed description of the invention] "Purpose of the invention" (Industrial application field) This invention relates to an illumination device for a car speaker, and in particular, it reflects light from a light source by a reflector plate, and the light source of a display panel. The present invention relates to an illumination device configured to exhibit excellent illumination effects by uniformly irradiating areas far from the object.

(Prior art) As shown in Fig. 3, a conventional illumination device for a vehicle-mounted speaker has a speaker case 2.
The display panel 24 is arranged with a gap S on the surface side of the display panel 1, and a plurality of lamps 22 are arranged in the lamp mounting part 21a directly behind the display panel 24, so that the lamp light is directly transmitted through the light-transmitting part 24a of the display panel 24. A white paint 23 was applied to the lamp mounting portion 21a to improve reflection efficiency.

(Problem to be solved by the invention) However, in the conventional case, color unevenness tends to occur because light comes out directly from the transparent part 24a of the display panel, and in order to prevent this color unevenness, multiple lamps are used. However, not only is this method unable to sufficiently prevent uneven color, but also
It is also uneconomical to use a large number of lamps simply for illumination. Further, there is a drawback that a space (S) is required for arranging a plurality of lamps, and the wiring structure is also complicated.

Furthermore, in the conventional type, the lamp mounting surface 21a
Since white paint was manually applied to the surface, it was necessary to mask when applying the paint, and other parts were stained and defects occurred, resulting in poor workability and poor reflective efficiency. There were some shortcomings.

The purpose of this invention is to eliminate the above-mentioned conventional drawbacks, to be able to illuminate the display panel accurately and uniformly without causing color unevenness, to be easy to manufacture, to reduce costs, and to improve reflection efficiency. It is an object of the present invention to provide an illumination device for a vehicle-mounted speaker which is also excellent in terms of vehicle-mounted speakers.

"Structure of the invention" (Means for solving the problem) An illumination device for a vehicle-mounted speaker according to this invention includes a display panel disposed in a part of a case of a vehicle-mounted speaker, and a display panel for illuminating the display panel. and a light source placed inside the case, the light source being placed at a position offset from the transparent part of the display panel and reflecting the light from the light source. A reflective plate is arranged, and the reflective plate is formed by pasting an aluminum vapor-deposited polyester sheet or other reflective sheet with excellent reflectance on the reflective surface, and the distance between it and the display panel increases as the distance from the light source increases. The display panel is tilted so that the interval becomes narrow, and the light-transmitting portion of the display panel far from the light source is irradiated with the direct light from the light source together with the reflected light from the reflector.

(Function) Light from the light source is irradiated onto the display panel side by a reflector whose reflective surface is covered with a sheet with excellent reflection efficiency such as an aluminum-deposited polyester sheet. It illuminates the display as well as the surrounding area, creating an excellent illumination effect. Normally, the amount of light attenuates as it moves away from the light source, but the reflection efficiency of the reflective surface is excellent, and the reflector is arranged at an angle so that it approaches the display panel as it moves away from the light source. Furthermore, parts of the display panel far from the light source can be uniformly irradiated with light without causing color unevenness due to direct irradiation of light from the light source. Further, due to such an effect, it is not necessary to arrange a large number of light source lamps, and the light source arrangement space can be reduced.

(Example) An example of the illumination device for a car speaker of this invention will be explained based on FIGS. 1 and 2. FIG. 1 is a sectional view, and FIG. be.

In the figure, 1 is a speaker case in which an illumination device is arranged, and in this illumination device, a lamp 2 serving as a light source is arranged at a position offset from a light-transmitting portion 4a of a display panel 4. At the same time, a reflector 3 is arranged to reflect the light from the light source 2, and the reflector 3 is made by pasting an aluminum-deposited polyester sheet or other reflective sheet 3b with excellent reflectance on the reflective surface of the substrate 3a. Moreover, the space between the display panel 4 and the display panel 4 becomes narrower as the distance from the light source 2 increases. is configured so that the reflected light F1 from the reflection plate 3 and the direct light F2 from the light source are irradiated.

To explain the above configuration in detail, speaker case 1
An illumination mounting portion 11 is formed at the rear of the lamp, on which a fixing member 12 is disposed, and a lamp 2 serving as a light source is disposed via a lamp mounting member 13. A display panel 4 is arranged on the upper surface side of the speaker case 1, and a reflection plate 3 is arranged on the lower surface side of the display panel 4. As shown in FIG. 2, the reflector plate 3 is constructed by pasting a reflective sheet 3b with excellent reflection efficiency, an aluminum vapor-deposited polyester sheet in the embodiment, on the reflective surface side of a substrate 3a. This reflector 3 is connected to the display panel 4 near the light source 2.
The distance between the display panel and the display panel is large, but it is tilted so that the distance between the display panel and the display panel becomes narrower as the distance from the light source increases.In the example, it is set to 22 mm near the light source and 2 mm at the far end. There is.

The display panel 4 consists of a transparent part 4a and a non-transparent part 4b, and the positional relationship between the light source 2 and the transparent part 4a is such that the transparent part 14 far from the light source receives the reflected light F1 from the reflection plate 3 as well as the light source. The structure is such that the direct light F2 from the camera is also irradiated. Note that the above-mentioned reflective sheet 3b is not limited to the aluminum vapor-deposited polyester sheet, but other sheets with excellent reflective efficiency can be used. In the figure, reference numeral 5 denotes a protector attached to the rear upper surface side of the case 1, and is intended to cushion the speaker from coming into contact with a rear window or the like.

"Effect of the invention" According to the illumination device for a car speaker according to this invention, the light from the light source is irradiated onto the display panel side by the reflective surface of the reflector plate, which has excellent reflection efficiency. Excellent illumination effects can be achieved by irradiating the light-transmitting part of the panel and its surroundings. In addition, the reflection efficiency of the reflective surface is excellent even at a portion of the display panel far from the light source, and the reflective plate is arranged at an angle so that it approaches the display panel as it moves away from the light source. Furthermore, by directly irradiating light from the light source to a portion of the display panel far from the light source, attenuation of the amount of light can be reduced and uniform irradiation can be achieved without color unevenness. In addition, since there is no need to arrange a large number of light source lamps, the space for placing the light source can be reduced, and unlike the conventional method of masking and applying paint, workability is extremely good, and the equipment It is ideal as an illumination device for this type of car speaker, as it can reduce the overall cost.

[Brief explanation of the drawing]

1 and 2 show an embodiment of an illumination device for a vehicle-mounted speaker according to this invention, with FIG. 1 being a sectional view and FIG. 2 being an enlarged sectional view of a reflector. FIG. 3 is a sectional view showing a conventional illumination device for a vehicle-mounted speaker. 1...Speaker case, 2...Light source, 3...Reflector plate, 3a...Substrate, 3b...Reflection sheet, 4...
...Display panel, 4a...Transparent part, 4b...Non-transparent part, F1...Reflected light, F2...Direct light, 5...Protector.

Claims (1)

[Scope of Claim for Utility Model Registration] An illumination device for a car-mounted speaker comprising a display panel placed in a part of the case of the car-mounted speaker and a light source placed inside the case to illuminate the display panel. The light source is placed at a position offset from the light-transmitting part of the display panel, and a reflecting plate is placed to reflect the light from the light source, and the reflecting plate has an aluminum vapor-deposited polyester sheet on the reflective surface. Other reflective sheets with excellent reflectance are attached, and are arranged at an angle so that the distance between them and the display panel narrows as the distance from the light source increases, and the display panel transmits light that is far from the light source. An illumination device characterized in that the portion is configured to be irradiated with direct light from a light source together with reflected light from a reflector.