JP3016017B1 - Taxi display - Google Patents

Abstract

The display content is easily visible even to a customer who raises his hand on a running car and stops it, and can be clearly recognized even at night by light emission, and is extremely thin. Since it can be configured as a sheet, it can be attached to window glass or the like, and does not require a place for installation. SOLUTION: A transparent electrode, a light emitting layer, an insulating layer, a back electrode,
An EL display module 1 made of a back insulating layer is provided on a front window 8 of a vehicle body 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device installed in a taxi.

[0002]

2. Description of the Related Art In recent years, there are cases in which taxi fares are settled by a credit card, and indications that such credit cards can be used include JCB, UC,
A mark of each credit company such as DC, American Express, and Diners (all of which are registered trademarks of each credit company) is pasted on a window glass as a seal.

[0003] In addition, advertisements other than those related to the use of credit cards, for example, advertisements of the company such as "Crew members are recruiting" or advertisements of other companies' products and the like, are usually viewed from the back window (rear window). It is often displayed so that it can be taken.

[0004]

However, when such a mark with a seal is attached to a window glass, there is a legal restriction on the seal of the mark of the credit company, and there is a legal restriction on the seal. It is often affixed only to a taxi, and it is hard to recognize the existence of a taxi coming from a customer who raises his hand.

[0005] Furthermore, there is darkness at night,
It becomes more difficult to recognize the presence of the mark by this seal.

As a method of displaying an advertisement so that it can be seen from the back window (rear window), there is a method of sticking a sticker as described above. Some are lit at night. However, in this case, since the device itself is installed on a shelf behind the rear seat so that the device can be viewed from outside the window, a space is required and the device is easily obstructed.

[0007] An object of the present invention is to solve the above-mentioned disadvantages of the prior art, and to display the displayed content in a position that is easy to see even for a customer who wants to lift the hand of the running car and stops it. An object of the present invention is to provide a taxi display device that can be clearly recognized even at night and can be configured as an extremely thin sheet, so that it can be attached to a window glass or the like and does not take up a place for installation.

[0008]

In order to achieve the above object, the present invention firstly provides an EL display module comprising a transparent electrode, a light emitting layer, an insulating layer, a back electrode and a back insulating layer in a front window of a vehicle body. The EL display module on the front window is connected to a circuit that is energized only when the vehicle is idle and on standby, similarly to the indicator light provided on the body roof.
The display module is provided in both the front window portion and the back window portion of the vehicle body, and the EL display module in the back window portion is connected to a lighting circuit of the light and is energized simultaneously with the lighting of the light. The gist of the present invention is that the EL display module is provided on a sun visor without being directly attached to a window glass.

According to the first aspect of the present invention, since an EL display module having a thin and uniform surface emission is used as a display device, it can be installed in both the front window portion and the back window portion without taking up space. In a bright environment such as daytime, the display content can be recognized without turning on the EL (electroluminescence). In a dark environment such as nighttime, the display content can be visually recognized by the pattern-emission EL light. It can withstand both light and dark environments.

[0010] Further, the display provided on the front window is easy to see even for a customer who wants to stop the running car by raising his hand.

In addition to this, the EL display module in the front window is connected to a circuit which is energized only when the vehicle is running empty and when the vehicle is on standby, like the indicator light provided on the roof of the vehicle body. It emits light only in the standby state, and can prevent the display from becoming annoying.

According to the second aspect of the present invention, in addition to the above-mentioned function, the EL display module is provided not only at the front window portion of the vehicle body but also at the back window portion, so that the display of the EL display module can be carried out by the company. It can be used for advertising, or for the promotion of other companies' products.

The EL display module in the back window is connected to a lighting circuit of a light such as a tail lamp, and is energized simultaneously with the light, so that if a light is required at night, the EL display module is always energized. To emit light.

According to the third aspect of the present invention, in addition to the above-mentioned operation, the EL display module of the front window is provided on the sun visor without being directly attached to the window glass. There is little risk of obstructing the field of view required for installation, and it can be installed without restrictions.

[0015]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 and 2 are perspective views showing a taxi display device according to an embodiment of the present invention. In the drawings, reference numeral 1 denotes an EL display module used in the present invention.

The EL display module 1 will be described first. Uniform luminance and luminescent color can be obtained over a large area, the thickness is as thin as 1 mm or less (electrode portion is 1.1 mm or less), space saving is achieved, and a flexible and curved surface is obtained. It can emit light, and can emit light of characters, characters, and designs. As shown in FIG. 3, it is composed of a transparent electrode 2, a light emitting layer 3, an insulating layer 4, a back electrode 5, and a back insulating layer 6.

On the transparent electrode 2, a film formed by directly applying and drying an electrically conductive paste, a film on which an electrically conductive film is adhered, a film formed by vapor deposition, sputtering, CVD, or the like, an electrically conductive film, or the like is used. The light-emitting layer 3 is made of Cu, Cl or the like according to the required color tone.
, Pb, Al, Mn, I and the like added Zn S, Zn Se
A mixture of a phosphor such as barium titanate and titanium oxide having a high dielectric constant and excellent insulating properties and excellent hiding power mixed with an organic binder is used for the insulating layer 4. You.

When a current is applied to the transparent electrode 2 and the other back electrode 5, a voltage is applied to the light emitting layer 3 to excite the phosphor of the light emitting layer 3 to emit a predetermined light. As a result, the color emitted from the light emitting layer 3 passes through the transparent electrode 2 to emit and display a predetermined pattern. Therefore, in a bright environment, the pattern is recognized without turning on EL (electroluminescence),
In a dark environment, the pattern-emitted EL light is visually recognized, and as a result, it can be used in both bright and dark environments.

Such an EL display module 1 is provided on both the front window 8 and the back window 9 of the vehicle body 7 in a taxi. In the present embodiment, the EL display module 1 is attached to the inside of the window glass in both the front window portion 8 and the back window portion 9, and the EL display module 1 of the front window portion 8 is a credit card in the taxi. The mark of each credit company, such as JCB, UC, DC, American Express, and Diners (all of which are registered trademarks of each credit company), is displayed as an indication that the can be used.

The EL display module 1 in the back window section 9 contains advertisements, advertisements, etc. of products of the company or other companies.

The EL display module 1 of the front window 8 is provided with an indicator light provided on the roof of the vehicle body 7 as shown in FIG.
As in the case of 10, it was connected to a circuit that energized only when the vehicle was running empty and in standby. The indicator light 10 is a company name light of a taxi company, in which a security light 10a is usually incorporated, and a security light switch 11 for turning on the security light 10a is provided in the company.

In FIG. 4, reference numeral 12 denotes a taxi terminal on the vehicle side;
Is a super sign linked to the meter.
Characters such as "real car", "pick-up" and "forwarding" are displayed.

The EL display module 1 of the back window 9 is
As shown in FIG. 5, it is connected to a lighting circuit of the light 14 such as a tail lamp or a number (license) plate lamp, and is turned on when the lighting switch of the light 14 is turned on.

FIG. 6 shows another embodiment of the present invention, in which the EL display module 1 of the front window 8 is provided on the sun visor 15 without being directly attached to the window glass.

As is well known, the sun visor 15 is in a state of being parallel to the roof when not in use, and is rotated so as to be in parallel with the window glass when in use. The EL display module 1 is attached.

If a switch mechanism is incorporated in the sun visor 15 so that the rotation operation of the sun visor 15 also serves as the energizing switch operation of the EL display module 1, there is no need to provide a separate switch, and the usability is improved.

[0027]

As described above, the display device of the taxi according to the present invention has a display content in a position that is easy to see even for a customer who wants to raise the hand of a running car and stops it. Since the light can be clearly recognized even at night and can be formed as an extremely thin sheet, the sheet can be stuck on a window glass or the like and does not require a place for installation.

[Brief description of the drawings]

FIG. 1 is a perspective view of a taxi display device according to an embodiment of the present invention as viewed from the front of a vehicle body.

FIG. 2 is a perspective view of a taxi display device according to an embodiment of the present invention as viewed from the rear side of the vehicle body.

FIG. 3 is a vertical sectional side view of the EL display module.

FIG. 4 is a circuit diagram of an EL display module in a front window of a vehicle body.

FIG. 5 is a circuit diagram of an EL display module in a back window of the vehicle body.

FIG. 6 is a perspective view of a taxi display device according to another embodiment of the present invention as viewed from the front of a vehicle body.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... EL display module 2 ... Transparent electrode 3 ... Emitting layer 4 ... Insulating layer 5 ... Back electrode 6 ... Back insulating layer 7 ... Car body 8 ... Front window 9 ... Back window 10 ... Indicator light 10a ... Security light 11 ... Security Light switch 12 ... Terminal for taxi 13 ... Super sign 14 ... Light 15 ... Sun visor

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B60R 13/00 B60J 3/02 G09F 21/04

Claims (3)

(57) [Claims] A transparent electrode, a light emitting layer, an insulating layer, a back electrode,
An EL display module comprising a back insulating layer is provided in a front window of a vehicle body, and the EL display module in the front window includes:
A display device for a taxi, wherein the display device is connected to a circuit that is energized only when the vehicle is idle and when the vehicle is on standby, similarly to the indicator light provided on the body roof. 2. An EL display module provided in both a front window portion and a back window portion of a vehicle body, wherein the EL display module in the back window portion is connected to a lighting circuit of a light and is energized simultaneously with lighting of the light. Taxi display device as described. 3. The EL display module of the front window part,
The taxi display device according to claim 1 or 2, wherein the display device is provided on a sun visor without being directly attached to a window glass.