JP2000279634A - Luminaire for portable game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the visibility of a liquid crystal display screen by attaching an illuminant to a support mounted detachably to one end of a portable game machine vertically to the portable game machine equipped with a display screen and deflecting light emitted from the illuminant and illuminating the display screen with the light. SOLUTION: Luminaire 1 is mounted datachably on an end of a portable game machine 3 to increase the visibility of the portable game machine 3 furnished with a liquid crystal display screen 2. This luminaire 1 is comprised of a support member 4 projecting vertically to the operating face of the portable game machine 3, and a transparent cylinder 5 housing a lamp 6 mounted to the top of the support member 4. A shield 7 covering the upper portion of the transparent cylinder 5 is formed integrally on the top of the support member 4, and the transparent cylinder 5 has a serrated face 5a formed on the surface. Light emitted from the lamp 6 is deflected by the irregular surface 5a and illuminates the liquid crystal display screen 2, providing a good visibility.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device for a portable game machine, and more particularly, to a lighting device for a portable game machine which solves the problem that light is directly reflected on a liquid crystal display screen of the portable game device to deteriorate visibility. About.

[0002]

2. Description of the Related Art A portable game machine having a built-in battery and excellent in portability is known. The operation surface of the portable game machine is provided with a plurality of control buttons for a user to play a game, a liquid crystal display screen for displaying the game, and the like. Further, the portable game machine has a slot for inserting a recording medium in which a game software program is written, and the user can enjoy various games by replacing the recording medium.

[0003] Such a portable game machine is used in various environments whether indoors or outdoors. Here, in an environment where a sufficient amount of light cannot be obtained, for example, in the evening outdoors or in a dark interior, there is a problem that the visibility of the liquid crystal display screen is deteriorated. It has also been pointed out that playing a game for a long time in such a situation deteriorates the user's eyesight.

Therefore, an illumination device 21 as shown in FIG. 4 has been proposed. The lighting device 21 is mounted on a main body of the portable game machine 22 and stands upright with respect to the portable game machine 22, and a top of the support member 23 so as to be parallel to an operation surface of the portable game machine 22. Moving plate 24 attached to the moving plate 24 and a lens 25 fitted to the moving plate 24
Consists of

A light is attached to the bottom surface of the opening plate 24, that is, the surface facing the operation surface of the portable game machine 22, and the light is attached to the liquid crystal display screen 2 of the portable game machine 22.
Irradiate 6. The user can visually recognize the liquid crystal display screen 26 via the lens 25 and play a game. Also,
The lighting device 21 can be detached from the portable game machine 22, and the moving plate 24 can be folded while the lighting device 21 is detached from the portable game machine 22.

[0006]

The above-described lighting device 21
Is inconvenient to carry and store because of its large size. Further, since the light attached to the opening plate 24 facing the operation surface of the portable game machine 22 directly irradiates the liquid crystal display screen 26, the light from the light is reflected on the display protection plate of the liquid crystal display screen 26, There is a problem that visibility of the display screen 26 is deteriorated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has as its object to provide a portable game machine lighting device that has improved visibility and reduced size of a liquid crystal display screen.

[0008]

In order to achieve the above-mentioned object, a lighting device for a portable game machine according to the present invention is provided so that the lighting device for a portable game machine is perpendicular to a portable game machine having a display screen. A support detachably attached to one end, a light source attached to the support in a direction in which light does not directly enter the display screen of the portable game machine, and a display screen by refracting light emitted from the light source. Refraction means for irradiating.

In the first embodiment of the present invention, the refracting means is a transparent cylinder having a light source housed therein and having an uneven surface. This transparent cylinder is formed using a transparent acrylic resin or the like as a material. Furthermore, the lighting device for a portable game machine according to the present invention preferably includes a shielding unit that shields light heading in the direction of the user's viewpoint.

Further, in the second embodiment of the present invention, the refracting means includes a reflecting surface for reflecting the light emitted from the light source in the direction of the display screen, and a half for reflecting and transmitting the reflected light irregularly. A transparent diffuse reflection plate.

According to the lighting device for a portable game machine according to the present invention, the light emitted from the light source does not directly enter the display screen of the portable game machine but irradiates the display screen with indirect light. Light is not reflected on the display protection plate of the screen, and the visibility of the display screen is not deteriorated.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a lighting device for a portable game machine according to the present invention will be described in detail with reference to the drawings.

A lighting device 1 according to an embodiment of the present invention comprises:
As shown in FIG. 1, a supporting member 4 which is detachably attached to an end of a portable game machine 3 having a liquid crystal display screen 2 and projects perpendicularly to an operation surface of the portable game machine 3;
And a transparent cylinder 5 attached to the top of the
And a lamp 6 that emits light from one end of the transparent cylindrical body 5 to the other end. The transparent cylinder 5 is formed using a material having transparency, such as transparent acryl, for example.

The mounting portion of the support member 4 is formed so as to fit into the shape of a predetermined end of the portable game machine 3, and the user can easily mount the lighting device 1 on the portable game machine 3. , Can also be removed. A shield 7 is provided so as to cover the top of the transparent cylinder 5 from the top of the support member 4.

FIG. 2 shows a cross section of the lighting device 1. As shown in FIG. 2, the surface of the transparent cylindrical body 5 is provided with a saw-toothed uneven surface 5a. Light emitted from the lamp 6 is refracted by the uneven surface 5 a of the transparent cylinder 5, and a part of the refracted light irradiates the liquid crystal display screen 2 of the portable game machine 3. The angle of the light emitted from the transparent cylindrical body 5 can be freely adjusted by designing the uneven surface 5a.

The shield 7 disposed above the transparent cylindrical body 5 is formed of a material that does not transmit light, and the shield 7 is disposed above the portable game machine 3 in a horizontally installed state. Shield the light going to. This prevents the light emitted from the transparent cylindrical body 5 from entering the eyes of a user playing a game using the portable game machine 3 and making the liquid crystal display screen 2 hard to see.

The user can enjoy the game even in a dark place by mounting the lighting device 1 on the portable game machine 3 and turning on the lamp 6. Further, as described above, the light emitted from the lamp 6 is refracted through the uneven surface of the transparent cylindrical body 5 without directly irradiating the liquid crystal display screen 2, and indirectly irradiates the liquid crystal display screen 2. I do. This solves the problem that light is reflected on the display protection plate of the liquid crystal display screen 2 and visibility is deteriorated. The lighting device 1 is smaller than a conventional lighting device,
Even when removed and carried when not in use, it does not get in the way.

FIG. 3 is a diagram showing a second embodiment of the present invention. Illumination device 1 according to a second embodiment of the present invention
Reference numeral 0 denotes a support member 11 mounted vertically to the operation surface of the portable game machine 3, and a lamp 12 attached to the support member 11 so as to be oriented in a direction substantially parallel to the operation surface of the portable game machine 3. A reflector 13 having a U-shaped cross section having a reflection surface on its inner surface for reflecting light emitted from the lamp 12;
A semi-transparent irregular reflection plate for irregularly reflecting light reflected from the reflection surface of the reflector;

As described above, the lamp 12 does not directly emit light toward the liquid crystal display screen 2 of the portable game machine 3, similarly to the lamp 6 in the first embodiment. That is, the light emitted from the lamp 12 is reflected on the reflecting surface of the reflector 13 and then passes through the irregular reflection plate 14 to indirectly irradiate the liquid crystal display screen 2. Therefore, the problem that light is reflected on the display protection plate of the liquid crystal display screen 2 and visibility of the liquid crystal display screen 2 is deteriorated is solved.

Also, the lighting device 10 is smaller than the conventional lighting device, similarly to the lighting device 1 shown in the first embodiment, and is inconvenient for the user to store and carry when not in use. I do not feel.

As the lamps 6 and 12 in the first and second embodiments, besides ordinary light bulbs, LEDs and fluorescent lamps may be used. Further, in the transparent cylindrical body 5 in the first embodiment, only a portion that transmits light may be formed of transparent acryl, and a portion that does not need to transmit light may be formed of an opaque material. In addition, a reflection surface for reflecting light may be formed on the inner surface of a portion of the transparent cylindrical body 5 where light does not need to be transmitted, thereby improving illuminance.

[0022]

As described above, the lighting device for a portable game machine according to the present invention supports the support attached to one end of the portable game machine and the light so as not to directly enter the display screen of the portable game machine. A lamp attached to the body. The light emitted from the lamp is transmitted through a diffused reflection plate after being reflected, for example, through a transparent cylinder having an uneven surface, or after being reflected by a reflection surface having a U-shaped cross section, indirectly displaying the display screen. Irradiate.

Therefore, according to the lighting device for a portable game machine according to the present invention, light does not directly enter the display screen of the portable game machine, and the display screen is illuminated with indirect light. Therefore, according to the portable game console lighting device, since the light is not reflected on the display screen and the visibility is not deteriorated, the user can comfortably enjoy the game even in a dark place. In addition, the lighting device for a portable game machine according to the present invention is smaller than a conventional lighting device, and the user does not feel inconvenience when carrying or storing the lighting device.

[Brief description of the drawings]

FIG. 1 is a perspective view of a lighting device according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of the lighting device shown in FIG.

FIG. 3 is a sectional view of a lighting device according to a second embodiment of the present invention.

FIG. 4 is a cross-sectional view of a conventional lighting device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Illumination device 2 Liquid crystal display screen 3 Portable game machine 4 Support member 5 Transparent cylinder 6 Lamp 7 Shield

Claims (5)

[Claims] 1. A lighting device for a portable game machine attached to a portable game machine having a display screen, wherein the lighting device is detachably attached to one end of the portable game machine so as to be perpendicular to the main body of the portable game machine. A light source attached to the support so that light is not directly incident on the display screen of the portable game machine; and a refraction for refracting light emitted from the light source to irradiate the display screen. And a lighting device for a portable game machine. 2. The illumination device for a portable game machine according to claim 1, wherein said refraction means is a transparent cylinder having the light source housed therein and having an uneven surface. 3. The lighting device for a portable game machine according to claim 2, wherein said transparent cylinder is formed of a transparent acrylic resin. 4. The lighting device for a portable game machine according to claim 2, further comprising a shielding means for shielding light heading in a direction of a user's viewpoint. 5. The refracting means has a reflecting surface for reflecting light emitted from the light source in the direction of the display screen, and a translucent diffusely reflecting plate for diffusely reflecting and transmitting the reflected light. The lighting device for a portable game machine according to claim 1, wherein: