JPS62254178A - Panel apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a panel device that is useful when applied to electronic devices such as amplifiers and tuners. This invention relates to a panel device that makes it possible.

[Summary of the invention]

The present invention forms a guide wall part for preventing light leakage by burring processing on a sub-panel to which a printed circuit board, electronic components, etc. are attached, which is attached to the back side of a main panel facing the surface of an electrical equipment main body, for example, and forms a guide wall part for preventing light leakage. By inserting and arranging a light emitting element in the portion, interference of the light emitting element can be prevented.

[Conventional technology]

2. Description of the Related Art Conventionally, electronic devices such as amplifiers and tuners are provided with display devices that perform various displays such as power ON/OFF display and volume variable display. This display device uses a light emitting element such as an LED or a small lamp that uses light as a display means, and is provided in a part of the front panel that is most easily recognized.

The above-mentioned display device has a light emitting element such as an ED placed opposite to a display window such as a transparent hole or a transparent part provided in the front panel, and turns off the power by blinking the light emitting element. It is configured to perform predetermined displays such as ON/OFF and variable volume display.

By the way, in a display device that uses light-emitting elements such as LEDs as display means, the front panel provided with the display window must be attached to the main body of the device in the gap between the parts, or in the case where multiple light-emitting elements are arranged in parallel, adjacent to each other. In order to prevent light leakage from the display window, each light emitting element is covered with a light leakage prevention means and mounted so that light is transmitted only through a predetermined display window. For example, as shown in FIG. 5, an LED 2 is disposed in a portion of a front panel 1 formed by molding synthetic resin, and a transparent display plate 3 attached to the surface of the front panel 1 is illuminated to a predetermined value. For those that are designed to display the above L.
In order to allow the light from E D 2 to pass through only through the through hole 4 formed in the front panel 1, a cylindrical light leakage prevention wall 5 is provided on the back side of the front panel 1 to cover the LED 2. It is formed in one piece.

Alternatively, as shown in FIG. 6, an LED housing 6 formed separately from the front panel 1 is attached to the back side of the front panel 1, and the LEDs 2 are placed in the LED housing 6 to prevent light leakage. I'm trying to prevent it.

[Problem that the invention seeks to solve]

By the way, in the case of the one shown in FIG. 5 mentioned above, since the light leak prevention wall 5 is provided integrally with the front panel 1, it is not possible to use one made of a moldable material such as synthetic resin. can only be applied. Therefore, it cannot be applied to panels made of aluminum plates formed by extrusion molding. That is, in a panel formed by extrusion molding, it is impossible to form a protrusion within the plane of the panel due to processing constraints.

Therefore, as shown in FIG. 6 mentioned above, an LED housing 6 and the like that are separate from the front panel 1 are required, and as the number of parts increases, the installation work becomes unavoidably complicated.

Therefore, the present invention provides a main panel that is formed by extrusion molding or the like and cannot have a protruding part in a plane, and a sub-panel that is provided for mounting printed circuit boards and electronic components to be mounted on the back side of the main panel. Focusing on a panel device having the above-mentioned main panel and sub-panel, it can be easily manufactured without interfering with the functions of each of the main panels and sub-panels, and without increasing the number of parts, and it is possible to reliably prevent light leakage. This was proposed for the purpose of providing a panel device.

[Means for solving problems]

Therefore, in order to achieve the above-mentioned object, the present invention is such that a sub-panel formed separately from the main panel is provided with a guide wall portion for preventing light leakage of light emitting elements by burring processing. .

[Effect]

In the present invention, light leakage from the light emitting element is prevented by covering the light emitting element with a guide wall for preventing light leakage formed on the sub-panel by burring.

〔Example〕

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings.

The panel device according to the present invention is disposed on the front side of a device body constituting an electric device such as an amplifier or a tuner, where an operation section and a display section are provided, and as shown in FIG. It is composed of a main panel 11 having a cross-section shape facing the front of the device body, and a sub-panel 13 attached to the main panel 11 via a double-sided adhesive sheet 12 and located inside the device body. Become.

The main panel 11 is formed by extrusion molding an aluminum material so that the electric device can exhibit the texture of metal when attached to the main body of the electric device. Since the main panel 11 is made of extruded aluminum, it has a flat surface with no protrusions on the front and back surfaces.

The front part 11a of the main panel 11, which faces the front side when attached to the main body of the device, has a plurality of transparent panels attached to the display board 14, which is joined to the front part 11a and has a predetermined display scale. A through hole 17 through which light from an LED 16, which is a light emitting element, can be transmitted is provided corresponding to each of the light transmitting portions 15. In addition, the front part 11 of the main panel 11
In addition to the above-mentioned through-hole 17, a through-hole 18 is bored through which a volume control knob and the like are inserted. These through holes 17 and through holes 18 are formed after extrusion molding.

Further, the display plate 14 is made of a transparent material such as acrylic resin, and the transparent portion 15 is formed by applying a paint such as black medium to the back surface using a cutting die.

Note that the double-sided adhesive sheet 12 that joins the main panel 11 to the sub-panel 13 has the above-mentioned through holes 17 and through holes 1.
The portion corresponding to 8 is made into a punch hole 19.

On the other hand, the sub panel 13 to which the main panel 11 is attached
is formed by sheet metal processing, and as shown in FIG. 2, the main panel 11 is attached by providing a pair of side walls 21 and 22 facing each other at both ends of the front wall 20, which serves as a surface. It has a U-shaped cross section. On the front wall 20 of this sub-panel 13, there are LEDs 16 that illuminate each of the plurality of transparent parts 15 provided on the display board 14 to display a predetermined display.
A guide wall portion 23 for preventing light leakage is formed by burring. This guide wall portion 23 is formed by burring, so that the material of the portion where the through hole 24 is formed rises up into a cylindrical shape, as shown in FIG.

The main panel 11 to which the display board 14 is attached is joined to the front wall 20 of the sub-panel 13 formed in this manner via the double-sided adhesive sheet 12.

At this time, the main panel 11 has a positioning protrusion 25 formed protrudingly formed on the front wall 20 of the sub panel 13 so that the through hole 17 accurately corresponds to the through hole 24 having the guide wall 23 formed by burring. It is attached by fitting the provided positioning hole 25a.

Further, the sub-panel 13 includes the side walls 21 and 22.
A printed circuit board 28 on which electric components such as an LED 16, a volume 26, and a changeover switch 27 are mounted is parallel to the front wall 20, as shown in FIG. Installed as follows. When this printed circuit board 28 is installed, each LED 16
As shown in FIGS. 1 and 4, the light emitting portion 16a is inserted into the guide wall portion 23. In this way, LD1
6 is formed by inserting the light emitting part 16a into the cylindrical guide wall part 23, so that when the light is turned on, the through hole part 15 of the display board 14 corresponding to each LED 16 does not cause light leakage.
It becomes possible to irradiate only the

The sub-panel 13 to which the main panel 11 is attached is
As shown in FIG. 3, one side wall 22 is fixed to a chassis 29 in the main body of the device using screws 30.

〔Effect of the invention〕

As described above, the present invention provides a method for preventing light leakage from light emitting elements such as LEDs by burring a sub-panel that is necessary for attaching a main panel that is formed by extrusion molding or the like and cannot have a protrusion in a plane. Since the guide wall is provided, the light leakage prevention means for the light emitting element can be constructed extremely easily, and furthermore, it is possible to use main panels having various desired shapes.

[Brief explanation of drawings]

FIG. 1 is an enlarged exploded perspective view showing essential parts of the present invention, FIG. 2 is an exploded perspective view of a panel device according to the present invention, and FIG. 3 is a sectional view showing how the panel device is installed. FIG. 4 is a partial sectional view showing the installation state of the LEI. FIG. 5 is a sectional view showing a conventional panel device, and FIG. 6 is a sectional view showing still another conventional panel device. 11... Main panel 11a... Front part of main panel 13... Sub panel 14... Display board 16... L E D 23... Guide wall part 24... Through hole

Claims (1)

[Claims] A panel device in which a sub-panel formed separately from a main panel is provided with a guide wall for preventing light leakage from light-emitting elements by burring.