JP2604219Y2 - Illumination device for electrical equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric device in which a display device is provided in a button, and more particularly to an illuminating device for an electric device which performs display on a button surface and also enables divided illumination.

[0002]

2. Description of the Related Art Conventionally, as an illuminating device for an electric device of this kind, an LCD display element as a display element is disposed in a button 2 as shown in FIG.
To display characters, symbols, and the like. Also,
In order to improve the visibility of the display surface, a light emitter is disposed below the LCD display element to constitute a backlight, and the display unit 3 of the button 2 is illuminated.

[0003]

However, the above-described lighting device for electrical equipment can freely display characters, symbols, etc. on the surface of the button because of the provision of the LCD display element, but displays two words. When displayed, the display is in the same color, so that it is difficult to identify the display. An object of the present invention is to solve the above-mentioned problems and to provide an illumination device for an electric device having extremely high discrimination that enables not only display of characters and symbols on a button surface but also split illumination. .

[0004]

In order to achieve the above object, the present invention is directed to an electric apparatus in which an LCD display element is provided in a button and characters and symbols are displayed on the surface of the button. A plurality of illuminants are provided below the display element, and a partition plate for dividing the inside of the button is vertically arranged, so that the upper surface of the button is displayed and divided illumination can be performed. Further, by using the light control plate as the partition plate, not only the divided illumination but also the entire surface of the same model can be used.

[0005]

According to the present invention, a partition plate is provided below an LCD display element to divide the inside of a button, and a luminous body is provided for each of the divided numbers, and characters, symbols, etc. are provided on the surface of the button. Is displayed and divided illumination is performed. Also,
The partition plate is a light control plate, and when a voltage is applied to the light control plate, the partition plate becomes transparent, and in the case of two divisions, the entire surface is illuminated, so that the number of divisions can be variously changed.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an exploded perspective view of a first embodiment of the present invention, FIG. 2 is a sectional view of a main part thereof, and FIG. 3 is a plan view thereof.

In these figures, the present invention is applied to a push button switch, in which a contact mechanism is provided in a switch body 11 and a terminal 13 projects from a lower surface of the switch body 11. Further, two rectangular plunger insertion holes 12 are provided on the upper surface of the switch body 11, and a plunger 14 described later is inserted into the plunger insertion hole 12, and a driving unit that operates a contact mechanism provided in the switch body 11. It is mounted so as to be connected to the plunger 14. The plunger 14 has a substantially U-shaped cross section, and has a horizontal portion 15 and a hanging portion 1 hanging downward from both ends thereof.
6, and elastic claw pieces 17 rising from the side surface are formed on the upper left and right side surfaces of the hanging portion 16.
4 is fitted into and recessed in a recess provided on the inner surface of the button 19 and mounted. The button 19 has a display section 20 for displaying characters, symbols, and the like made of a translucent member, and has a space opened downward. Then, the LCD display element 21 is arranged in this space so as to be in contact with the lower surface of the display section 20 and the connector 22 is inserted into the long hole 26 of the holder 25 to connect the circuit pattern 33 of the printed circuit board 31 to the LCD display element 21. I do. At a substantially central portion of the holder 25 between the two connectors 22, a projection 27 is provided and a partition plate 23 is provided. Diffusion lenses 24 are accommodated in predetermined spaces on the left and right sides of the holder 25, respectively.
0 is provided. FIG. 1 shows an embodiment of the left and right two-part illumination.

When a light control plate which changes to transparent or opaque by applying or not applying a voltage to the partition plate 23 is used, the electrode of the light control plate is electrically connected to the terminal 13 through the printed circuit board 31 via the coil spring 29. Configured to connect to
Then, an IC chip 32 for driving the LCD display element 21 is mounted on the printed board 31, and the connector 22 and the terminal of the light emitting body 30 connected to the LCD display element 21 are connected to the circuit pattern 33, It is fixed to the lower surface of the holder 25. Further, the circuit pattern 33 of the printed board 31 is connected to the flexible printed wiring board 34 formed in a belt shape, and holes are provided near both ends on a plane, and the printed circuit board 31 is fixed to the printed board 31 by caulking or the like. One end of the flexible printed wiring board 34 is inserted into a connector (not shown) provided in the switch body 11 and is electrically connected. Therefore, in the button 19, the LCD display element 2
1, diffusion lens 24, holder 25, printed circuit board 31,
The flexible printed wiring board 34 is stored, and the horizontal portion 15 of the plunger 14 is inserted and fitted. Then, the hanging portion 16 of the plunger 14 is inserted into two rectangular plunger insertion holes 12 provided on the upper surface of the switch main body 11, and the driving section and the plunger 14 that operate the contact mechanism provided in the switch main body 11 are connected. Mounted to be connected.

FIG. 4 is an explanatory view showing four-division illumination showing a second embodiment of the present invention, and FIG. 5 is a plan view of the button. A light-emitting body 42 is provided around the upper surface of the holder 41 so as to face each other,
Partition plates 43 and 44 having the upper surface of the holder 41 formed in a cross shape including a short axis and a long axis are provided. According to the partition plates 43 and 44 thus arranged, the display unit 46 of the button 45 is provided.
Are illuminated in four parts. Then, the partition plates 43 and 44
When a voltage is applied to the short-axis direction partition plate 43, only the short-axis direction partition plate 43 changes to transparent and opposes to the left and right when a voltage is applied to the short-axis direction partition plate 43. Since the light of the luminous body 42 is transmitted through the partition plate 43, the display portion 46 of the button is divided into two by a long-axis partition plate 44 as shown in FIG. As described above, a plurality of divisions are possible by the configuration of the partition plate and the luminous body, and further, division by multicolor illumination can be performed depending on the color of the luminous body.

FIG. 6 is a sectional view showing a main part of a third embodiment of the present invention, in which a light emitting body 56 is disposed below an LCD display element 53. FIG. The button 51 has a display unit 52 that displays characters, symbols, and the like made of a translucent member, and has a space that opens downward. Then, the LCD display element 53 is arranged in this space so as to be in contact with the lower surface of the display section 52, and a connector is inserted into the long hole of the holder 55 to connect the circuit pattern of the printed circuit board to the LCD display element. (Not shown) and a holder 55 at the center of the left and right inside the button 51
A partition plate 54 is disposed between the LCD panel 53 and the LCD display element 53, and light emitting members 56 are respectively provided on the upper surfaces of the left and right holders 55.
Are arranged to constitute the divided illumination. The partition plate 54 is a dimming plate that changes to be transparent or opaque by applying or not applying a voltage, and a coil spring 57 that is electrically connected to a terminal through the electrode and the printed circuit board is disposed in the holder 55. When a voltage is applied to the plate, the partition plate 54 becomes transparent, and the entire surface is illuminated. The present invention is not limited to the LCD display device, but may be various display devices, or may be a device provided with a display plate on which characters, symbols and the like are printed. In the present invention, the embodiment using the push button switch has been described, but the present invention can also be applied to a display device such as a waveform switch. The present invention is not limited to the above embodiment,
Various modifications are possible based on the spirit of the present invention, and they are not excluded from the scope of the present invention.

[0011]

As described in detail above, according to the present invention, the following effects can be obtained. (1) A plurality of illuminants are provided below the LCD display element, and a partition plate for dividing the inside of the button is vertically arranged, so that display is performed on the upper surface of the button and divided illumination can be performed. In addition to the display of characters, symbols, and the like, a plurality of displays are clearly separated from each other by the divided illumination of the display portion, which has an effect of significantly improving the discriminability and preventing erroneous operation due to erroneous recognition. (2) A plurality of illuminants are provided below the LCD display element, and a partition plate for dividing the inside of the button is vertically arranged to display the upper surface of the button and to enable divided illumination. Are separated by color, so there is no need to arrange signal LEDs on the panel surface around the display unit and around the buttons as in the conventional case, and therefore, this type of electric equipment and the space saving of the whole equipment can be saved. This has the effect of contributing to downsizing of the device. (3) A plurality of luminous bodies are provided below the LCD display element, and a partition plate for dividing the inside of the button is vertically arranged, so that display is performed on the upper surface of the button and divided illumination can be performed. The display and position of characters, symbols, and the like on the LCD display element can be easily set and changed. (4) Since a dimming plate that changes to be transparent or opaque when voltage is applied or not applied is used for the partition plate that divides the inside of the button,
A single model can perform various types of illumination, such as full illumination and partial illumination, as well as split illumination on the upper surface of the button, and can provide an extremely efficient illumination device for electric equipment in terms of productivity and inventory management. (5) According to the present invention, the partition plate for dividing the inside of the button
The use of a dimmer that instantaneously changes to transparent or opaque when voltage is applied or not applied is used.Since switching to divided illumination or full-surface illumination can be performed quickly, it can be used especially for applications with fast switching response. is there. (6) A luminous body that emits light of different colors or a luminous body that emits light of multiple colors is provided with a partition plate interposed therebetween, and a voltage is applied to the partition plate to maintain transparency, thereby combining both luminous bodies. Light emission of colors can be easily performed. In addition, when a multi-color light emitter is used, illumination of a plurality of colors can be obtained by a combination of the light emitters, and the discriminability is further improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a first embodiment of the present invention.

FIG. 2 is a sectional view of a main part of the first embodiment of the present invention.

FIG. 3 is a plan view of the first embodiment of the present invention.

FIG. 4 is an explanatory view of four-division illumination showing a second embodiment of the present invention.

FIG. 5 is a plan view of the four-division illumination according to the second embodiment of the present invention.

FIG. 6 is a sectional view of a main part of a third embodiment of the present invention.

FIG. 7 is a conventional perspective view.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 11 Switch main body 12 Plunger insertion hole 13 Terminal 14 Plunger 15 Horizontal part 16 Hanging part 17 Elastic claw piece 18 Locking part 19, 45, 51 Button 20, 46, 52 Display part 21, 53 LCD display element 22 Connector 23, 43, 44, 54 Partition plate 24 Diffusion lens 25, 41, 55 Holder 26 Slot 27 Projection 28 Hole 29 , 57 Coil spring 30, 42, 56 Light emitter 31 Printed circuit board 32 IC chip 33 Circuit pattern 34 Flexible printed wiring board

Claims (2)

(57) [Scope of request for utility model registration] An LCD display element is provided in a button, and a display section is provided on a surface of the button, and a front side is provided on the display section.
Character by serial LCD display device, the electrical device for displaying symbols, etc., substantially perpendicularly a partition plate for dividing the LCD display Rutotomoni within said button to form a backlight provided with a plurality of light emitters below the element Arrange the backlight
Illuminate the display on the top of the button using
Changing the emission color of any illuminant of the backlight;
And the illumination device of the electric device, characterized in that a possible an illumination splitting. Wherein said partition plate voltage application to the transparent by not applying, illumination device of electrical apparatus <br/> claim 1, wherein it has opaque varying dimming plate.