JPH06312631A - Vehicular indication device - Google Patents

Abstract

PURPOSE:To provide a vehicular indication device which can prevent the fascina tion of a dirver, even when an outer light become lncident inside a car and by which an indication image, etc., can be rocognized properly. CONSTITUTION:A vehicular indication devico is characterized in that a recessed part 7 is formed on the upper surface of a dashboard 2 installed inside a vehicular front glass and a transparent cover glass 8 is installed inside this recessed part 7 and also a reflection plate 3 is installed on the bottom surface of this recessed part 7 and an indicator for indicating prescribed information and radiaing an indication light to a reflection plate 3 part is installed on a vehicular ceiling surface and the indication light of the indicator is reflected to the front glass by the reflection plate 3 so as to be reflected to a driver side.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle display device,
In particular, the display light from the display installed on the ceiling of the vehicle is reflected on the windshield by the reflector installed on the dashboard so that the driver can see the display image displayed as a virtual image in the distance. The present invention relates to a vehicle display device.

[0002]

2. Description of the Related Art Conventionally, an indicator for displaying information is arranged on the ceiling of a vehicle with its display surface facing downward, and the display light from this indicator is applied to a windshield by a reflector provided on a dashboard. A vehicle display device is often used in which the driver visually recognizes a display image displayed as a virtual image in the distance in front of the windshield by reflecting the light to the driver side by the windshield.

FIG. 7 shows such a conventional vehicular display device. A reflection plate 3 is disposed on the upper surface of a dashboard 2 disposed inside a windshield 1 of the vehicle. On the ceiling surface 4 of the vehicle, a display 5 for displaying the speed of the vehicle and the like is arranged so that its display portion is directed to the reflection plate 3.

In such a conventional vehicle display device, the display light from the display device 5 is applied to the reflection plate 3 by operating the display device 5 based on predetermined information such as vehicle speed. The display light is reflected by the windshield 1 by the reflector 3 and the windshield 1
Is reflected by the driver's eye range, and the driver visually recognizes the display image 6 displayed as a virtual image in the distance in front of the windshield 1.

[0005]

However, in the conventional vehicle display device described above, the windshield 1 of the vehicle is used.
When external light is incident on the dashboard 2 from the vehicle, as shown in FIG. 8, the external light is reflected by the reflector plate 3 over a wide range in the vehicle interior, and depending on the incident angle of the external light. The external light is reflected to the driver side, which causes the driver to be dazzled and hinders the front view of the vehicle or the display image 6 from being viewed. In particular, in recent years, there has been a tendency to increase the amount of information displayed by the display device 5, and in order to increase the amount of display information in this way, it is necessary to form the display device 5 and the reflector 3 in a large size. Therefore, when external light is incident on the reflection plate 3 portion, this large reflection plate 3
Therefore, there is an inconvenience that the reflection range of outside light becomes wider.

It is also conceivable to form the surface of the reflection plate 3 into a concave shape so as to reflect the external light incident on the reflection plate 3 in a specific direction. The light is condensed by the reflection plate 3 and radiated into the vehicle. For example, the ceiling surface 4 of the vehicle is burnt,
It causes a vehicle fire and is extremely dangerous.

The present invention has been made in view of the above points, and a vehicle display device capable of preventing driver's dazzling and performing proper visual recognition of a displayed image even when external light enters the vehicle. It is intended to provide.

[0008]

In order to achieve the above object, a display device for a vehicle according to the present invention has a reflecting plate disposed on an upper surface of a dashboard disposed inside a windshield of the vehicle, An indicator for displaying predetermined information on the ceiling surface of the and irradiating the display light to the reflection plate portion is arranged, and the display light of the display device is reflected by the reflection plate on the windshield to the driver side. In a display device for a vehicle which is made to reflect light, a recess is formed in the dashboard, and the reflection plate is arranged on the bottom surface of the recess.

Further, preferably, a transparent cover glass is provided inside the recess, and further, inside the recess,
It is characterized in that another display device is provided in which display light is reflected by the cover glass and reflected by the windshield.

[0010]

According to the vehicular display device of the present invention, the reflector is arranged on the bottom surface of the recess of the dashboard. Therefore, when external light enters the dashboard through the windshield, the incident angle Low external light is blocked by the peripheral edge of the recess and does not reach the reflector portion, and only external light with a high incident angle reaches the reflector portion, and thus reaches the reflector portion. The amount of outside light is significantly reduced. Further, even when the external light reaches the reflection plate and is reflected, the reflected light is blocked by the side surface of the recess, so that the external light reflected by the reflection plate is reflected in the ceiling direction of the vehicle and It is possible to prevent the light from being reflected to the side, prevent the driver from being dazzled, and view a proper display image.

Further, by disposing the cover glass in the concave portion, it is possible to easily clean the concave portion without dust and the like entering the reflecting plate portion. By disposing another display device inside of which the display light is reflected by the cover glass and reflected by the windshield, the display image by this other display device is displayed together with the display image of the display device on the ceiling. It is possible to display a distance in front of the glass, and to increase the amount of display information visually recognized by the driver without forming a large-sized display device on the ceiling.

[0012]

Embodiments of the present invention will be described below with reference to FIGS. 1 and 2 show an embodiment of a display device for a vehicle according to the present invention, in which a recess 7 is provided in a dashboard 2 arranged inside a windshield 1 of the vehicle.
The reflecting plate 3 is disposed on the bottom surface of the recess 7. A transparent cover glass 8 having a concave shape is disposed inside the recess 7 at a predetermined mounting angle θ with respect to the side surface of the recess 7 so that the surface of the cover glass 8 is directed forward of the vehicle. Further, a display (not shown) for displaying the speed of the vehicle and the like is arranged on the ceiling surface 4 of the vehicle so that the display portion is directed to the reflector 3.

Next, the operation of this embodiment will be described.
In the present embodiment, by operating the display device based on predetermined information such as vehicle speed, the display light from this display device is transmitted through the transparent cover glass 8 and radiated to the reflection plate 3, and this display is performed. The light is reflected by the reflecting plate 3, again passes through the cover glass 8 and is applied to the windshield 1, and is reflected by the windshield 1 to the driver's eye range. As a result, the driver can display the display image 6'as a virtual image of the display formed on the back side of the reflector 3
The display image is displayed in front of the windshield 1 as a distant display, and predetermined information is recognized.

In this case, in this embodiment, since the reflection plate 3 is arranged on the bottom surface of the recess 7 of the dashboard 2, when external light enters the dashboard 2 portion through the windshield 1. In addition, external light with a low incident angle is blocked by the peripheral edge of the recess 7 and does not reach the reflection plate 3 portion, and only external light with a high incident angle reaches the reflection plate 3 portion. Therefore, the range of external light reaching the reflection plate 3 portion is significantly limited. Even when the external light reaches the reflection plate 3 and is reflected, the reflected light is blocked by the side surface of the concave portion 7, so that the external light reflected by the reflection plate 3 is reflected in the ceiling direction of the vehicle. , There is no reflection on the driver side.

Therefore, in this embodiment, even when external light is incident on the reflector 3, it can be prevented from being reflected to the driver side, so that dazzling of the driver can be prevented and the driver's dazzling can be properly performed. The displayed image can be visually recognized.

Further, since the cover glass 8 is arranged in the concave portion 7, dust and the like do not enter the reflection plate 3 portion, and the step between the cover glass 8 and the dashboard 2 is prevented. Since the number is small, it is possible to easily clean the concave portion 7.

FIGS. 3 and 4 show another embodiment of the present invention. In this embodiment, this recess is provided inside the recess 7 in which the reflector 3 is disposed on the bottom. A cover member 9 for covering the inner peripheral surface and the peripheral edge of the concave portion 7 is mounted, and a transparent cover glass 8 having a concave shape is attached to the bottom of the cover member 9 in a predetermined manner on the side surface of the concave portion 7. It is arranged at an angle. Further, on the side surface of the cover member 9 and above the cover glass 8,
A lamp house 10 communicating with the inside of the cover member 9 is integrally formed so as to project to the outside of the cover member 9, and the lamp house 10 portion of the cover member 9 has, for example, a ceiling surface such as various warnings. A second display 11 having a light transmitting property for displaying information different from that of the display 5 arranged in FIG. Further, inside the lamp house 10, a light source 12 for irradiating light from the back surface side of the second display 11 is arranged. Other parts are the same as those in the above-mentioned embodiment.

In this embodiment, as shown in FIG.
By operating the display device 5 based on predetermined information such as vehicle speed, the display light from the display device 5 is transmitted through the transparent cover glass 8 and is radiated to the reflector plate 3. The light is reflected by the reflection plate 3, transmitted through the cover glass 8 again, and irradiated on the windshield 1, and is reflected by the windshield 1 to the driver's eye range.

On the other hand, the second display 1 is operated by operating the second display 11 to turn on the light source 12.
The display light from No. 1 is reflected by the concave surface 8a of the cover glass 8 and is applied to the windshield 1, and this display light is reflected by the windshield 1 toward the driver. As a result, the driver can visually recognize the virtual image 13 'of the second display 11 formed on the convex surface side of the cover glass 8 as the display image 13 displayed in the distance in front of the windshield 1. A plurality of pieces of information are recognized together with a display image 6 displayed in a distance in front of the windshield 1 by the container 5.

Therefore, in this embodiment as well, the reflector 3 is arranged on the bottom surface of the recess 7 of the dashboard 2 in the same manner as in the previous embodiment, so that the outside light is transmitted through the windshield 1 to the dashboard 2 portion. Is incident,
The range of outside light reaching the reflection plate 3 is significantly limited, and the outside light reflected by the reflection plate 3 is reflected in the direction of the ceiling surface 4 of the vehicle, and is reflected to the driver side. Therefore, it is possible to prevent the driver from being dazzled and to visually recognize an appropriate display image.

Further, since the cover glass 8 is arranged in the concave portion 7, it is possible to prevent the invasion of dust and the like into the reflecting plate 3 portion and to easily clean the concave portion 7 portion.

Further, in the present embodiment, the second display 11 is arranged inside the recess 7, and the display image 13 by the second display 11 is displayed together with the display image 6 of the display 5 on the windshield 1. Since the distant display can be performed forward, the amount of display information visually recognized by the driver can be increased without forming the display unit 5 in a large size.

Further, FIGS. 5 and 6 show another embodiment of the present invention. In this embodiment, a concave surface is formed inside the concave portion 7 in which the reflection plate 3 is disposed on the bottom portion. A cover member 9 to which a circular cover glass 8 is attached is attached, and a lamp house 10 having a light source 12 on the back side is provided on the side surface of the cover member 9 and below the cover glass 8. The third display 14 is provided. Other parts are the same as those of the embodiment shown in FIGS. 3 and 4.

In the present embodiment, the display image 6 by the display 5 is displayed in front of the windshield 1 at a distance, as in the previous embodiments.

On the other hand, by operating the third indicator 14 to turn on the light source 12, the third indicator 1
The display light from No. 4 is reflected by the convex surface 8b of the cover glass 8 and is applied to the reflection plate 3, and is further reflected by this reflection plate 3 and applied to the windshield 1, and the display light is reflected by the windshield 1. It will be reflected to the driver side.
Thereby, the third glass formed on the concave surface side of the cover glass 8
The virtual image 15 ′ of the display 14 is the virtual image 1 by the reflection plate 3.
The virtual image 15 ″ is formed as a display image 15 ″, and the driver can visually recognize the virtual image 15 ″ as a display image 15 displayed in a distance in front of the windshield 1.
A plurality of pieces of information are recognized together with a display image displayed in the distance in front of the windshield 1.

Therefore, also in this embodiment, as in the case of the above-mentioned embodiments, when external light is incident on the dashboard 2 through the windshield 1, it can be prevented from being reflected to the driver side. The driver can be prevented from being dazzled and a proper display image can be visually recognized, and the cover glass 8 can prevent dust or the like from entering the reflection plate 3 portion, so that the concave portion 7 portion can be easily cleaned. You can

Further, also in this embodiment, the display image 15 displayed by the third display 14 and the display image of the display 5 can be displayed in front of the windshield 1 at a distance. Without forming a large
It is possible to increase the amount of information displayed by the driver.

The present invention is not limited to the above-mentioned embodiment, but can be modified in various ways as required, and the embodiment of FIGS. 3 and 4 and FIGS. 5 and 6 are also possible. If the second display 11 and the third display 14 are arranged on both sides of the cover glass 8 as a boundary in combination with the embodiment shown in the figure, the driver can recognize a larger amount of display information. You can

[0029]

As described above, the vehicle display device according to the present invention can prevent the external light from being reflected on the driver side even when external light is incident on the reflector. A proper display image can be visually recognized by preventing the dazzling of the image. Further, the cover glass can prevent dust and the like from entering the reflection plate portion to easily clean the recessed portion, and the display light is reflected by the cover glass and reflected by the windshield. By arranging the display device, the display image of the other display device can be displayed far away in front of the windshield together with the display image of the display device in the ceiling part, and the display part in the ceiling part can be made large. In addition, the amount of display information visually recognized by the driver can be increased.

[Brief description of drawings]

FIG. 1 is a partial configuration diagram showing an embodiment of a vehicle display device according to the present invention.

FIG. 2 is an explanatory diagram showing a reflection state of external light by the display device of FIG.

FIG. 3 is a partial configuration diagram showing another embodiment of the present invention.

FIG. 4 is an explanatory diagram showing a display state of a display image by the display device of FIG.

FIG. 5 is a partial configuration diagram showing another embodiment of the present invention.

6 is an explanatory diagram showing a display state of a display image by the display device of FIG.

FIG. 7 is a schematic configuration diagram showing a conventional vehicle display device.

FIG. 8 is an explanatory diagram showing a reflection state of external light by a conventional display device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Windshield 2 Dashboard 3 Reflector 4 Ceiling surface 5 Display 6,13,15 Display image 7 Recess 8 Cover glass 9 Cover member 10 Lamp house 11 Second display 12 Light source 14 Third display

Claims (3)

[Claims] 1. A reflecting plate is provided on the upper surface of a dashboard provided inside a windshield of a vehicle, predetermined information is displayed on the ceiling surface of the vehicle, and display light is emitted to the reflecting plate portion. In the vehicle display device, wherein the display device is arranged, and the display light of the display device is reflected on the windshield by the reflection plate to be reflected to the driver side, a recess is formed in the dashboard, A display device for a vehicle, wherein the reflection plate is disposed on a bottom surface of the recess. 2. The vehicle display device according to claim 1, wherein a transparent cover glass is provided inside the recess. 3. The vehicular display according to claim 2, further comprising, inside the concave portion, another display device in which display light is reflected by the cover glass and reflected by the windshield. apparatus.