JP2002277258A - Display for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display for vehicles that allows the forward condition of the vehicles to be easily recognized even if a driver is watching a basic display screen. SOLUTION: The display for vehicles that is mounted in a vehicle and displays each kind of information comprises the basic display screen for displaying each kind of information regarding the vehicle, and a means for displaying the outside of the vehicle. Then, the driver can recognize the picture of the outside of the vehicle while the drive is seeing the main display image that is shown on the basic display screen, so that the driver can rapidly notice the condition change in front of the vehicle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device for a vehicle, which is mounted in a vehicle and displays various information on the vehicle.

[0002]

2. Description of the Related Art Conventionally, back view monitors and blind monitors have been commercialized as this type of vehicle display device. Japanese Patent Application Laid-Open No. H11-108684 (hereinafter referred to as "conventional example") discloses an invention of a car navigation system, which captures a scene in the traveling direction and superimposes a navigation information element using a real image as a background image. The contents to be displayed together are described.

[0003]

When the driver looks at information required by the driver while looking at an image display device such as a navigation system, the field of view becomes narrower.
There is a risk that the situation change in the front may become difficult to notice.

Further, the conventional example described above (Japanese Patent Laid-Open No. 11-10
In the navigation device of No. 8684), the actual image and the navigation screen are superimposed and displayed only when the route guidance is performed. Therefore, when the route guidance is not performed as in a mere map display, the situation outside the vehicle is displayed. It was not possible to notice a change in the situation ahead from the display device.

The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a vehicle for a vehicle capable of smoothly moving a driver's line of sight according to a change in a situation. A display device is provided.

[0006]

According to one aspect of the present invention, there is provided an image display apparatus for a vehicle having at least one basic display screen, wherein the image display apparatus includes at least one basic display screen. And a means for directly displaying an image outside the vehicle in the traveling direction in a non-deformed state.

The invention according to claim 2 is characterized in that the means for directly displaying the image outside the vehicle is provided separately from a basic display screen.

[0008] The invention according to claim 3 is characterized in that the image outside the vehicle is displayed on a basic display screen.

According to a fourth aspect of the present invention, the image outside the vehicle is displayed as a background of a basic display screen.

According to a fifth aspect of the present invention, the display content of the basic display screen is an information presentation screen.

The invention according to claim 6 is characterized in that the display content of the basic display screen is an information operation screen.

According to a seventh aspect of the present invention, the vehicle further comprises an outside condition judging means for judging an outside condition, and the degree of display of the outside image is determined based on information obtained by the outside condition judging device. It is characterized by adjusting.

[0013]

According to the first aspect of the present invention, there is provided a vehicle display device provided with at least one basic display screen, wherein an image outside the vehicle in the traveling direction is directly displayed in a non-deformed state near the basic display screen. , The user can notice a change in the forward situation even when looking at the display image.

According to the second aspect of the present invention, the means for directly displaying the image outside the vehicle is provided separately from the basic display screen for displaying the main image. Regardless of the content displayed on the basic display screen, a situation change ahead can be noticed.

According to the third aspect of the present invention, the image outside the vehicle is displayed on the basic display screen on which the main image is displayed. Therefore, when viewing the main image, the outside of the vehicle is positioned closer to the line of sight. The situation is displayed so that you can notice a change in the situation ahead.

According to the fourth aspect of the present invention, since the image outside the vehicle is displayed as the background image of the main image, it is possible to notice a change in the situation in front while watching the main image.

According to the fifth aspect of the present invention, since the main display image displayed on the basic display screen is the information presentation screen, when the user is looking at the basic display screen to read the presented information, In addition, it is possible to notice a change in the situation ahead.

According to the sixth aspect of the present invention, the main display image displayed on the basic display screen is an information operation screen. Therefore, when the driver is operating while viewing the information operation screen, , You can notice changes in the situation ahead.

According to the seventh aspect of the present invention, the degree of display of the image outside the vehicle is adjusted in accordance with the information obtained from the outside-of-vehicle situation judging means, so that the driver looks at the main image displayed on the basic display screen. When you are, you can quickly notice changes in the situation ahead.

[0020]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a vehicle display device according to one embodiment of the present invention. As shown in FIG. 1, the vehicle display device 1 displays, for example, a car navigation system 2, an out-of-vehicle camera 3 that captures an external situation of the vehicle, and a basic display screen that displays main information about the vehicle including the navigation situation. A main display device 4 for displaying the external situation of the vehicle (external image of the vehicle) in a non-deformed state, and an image display controller 6.

An image display controller 6 controls two display devices, a main display device 4 and an outside condition display device 5. The image display controller 6 receives the map image information and the vehicle position information from the car navigation system 2 and displays them on the main display device 4. The image from the outside camera 3 is sent to the outside situation display device 5 through the image display controller 6.

FIG. 2 is an explanatory diagram showing a state in which the vehicle display device 1 according to the first embodiment is mounted in a vehicle. The main display device 4 is provided on the dashboard 7 of the vehicle, and the external condition display device 5 is provided near the main display device 4.

FIG. 3 is an explanatory diagram in which only the main display device 4 and the status display device 5 outside the vehicle are enlarged. As shown in the drawing, the main display device 4 displays car navigation information as described above, and the out-of-vehicle status display device 5 displays a situation in front of the vehicle.

In the vehicle display device to which the invention of the present application is applied, even when the driver looks at the main display device 4 to view the car navigation information, the outside status display provided near the main display device 4 is provided. Since the traffic condition in front of the vehicle is displayed on the device 5, even if the driver narrows his / her field of view while staring at the main display device, the driver directly displays the image outside the vehicle in a non-deformed state within the field of view. When the traffic condition in front of the vehicle changes while staring at the screen, the user can easily notice the change.

As a result, the driver naturally displaces his / her line of sight forward, and can perform an appropriate driving operation.

In the above description, the display content of the main display device 4 is the screen of the car navigation system 2. However, it is needless to say that another screen such as vehicle information may be used.

Next, a second embodiment of the present invention will be described. FIG. 4 is a block diagram showing the configuration of the vehicle display device according to the second embodiment of the present invention.

As shown in FIG.
1 includes a car navigation system 2, an outside camera 3 for capturing an external situation (external image) of the vehicle, an in-vehicle display device 12 for displaying various information related to the vehicle, and an image display controller 6. Unlike the first embodiment described above, the outside image is displayed integrally on the basic display screen. That is, in the present embodiment, the image information from the car navigation system 2 and the outside camera 3
Are processed by the image display controller 6 and sent to the single in-vehicle display device 12.

FIG. 5 is an explanatory view showing a state in which the vehicle display device 11 according to the second embodiment is mounted in a vehicle. As shown, an in-vehicle display device 12 having a relatively large display area is provided on the dashboard 7.

FIG. 6 is an explanatory diagram showing a display example of the vehicle-mounted display device 12. As shown in FIG. The in-vehicle display device 12 includes areas S1 and S2.
A map of the car navigation system 2 and the position of the vehicle are displayed in the area S1, and a non-deformed state outside the vehicle captured by the outside camera 3 is displayed in the area S2. Are arranged near each other.

When the driver looks at the in-vehicle display device 12 to view the car navigation information, the traffic situation ahead of the vehicle is displayed in the outside situation display area S2 provided therein. As in the case of the embodiment, when there is a change in the traffic situation ahead, the driver can easily notice the change and can perform an appropriate driving operation thereafter. In addition, in the present embodiment, 1
Since two pieces of information can be provided on one display screen, only one device is required, and significant cost reduction can be achieved.

In the above description, the main display content (display content of the display area S1) displayed on the on-vehicle display device 12 is the screen of the car navigation system 2. However, the present embodiment is not limited to this. Of course, another screen may be used.

Next, a third embodiment of the present invention will be described. The block diagram is the same as that shown in FIG. 4 described above. FIG. 7 is an explanatory diagram showing a display example of the in-vehicle display device 12, in which an image of the situation outside the vehicle is displayed near the basic display as the background of the car navigation information, which is the main display content.

When the driver looks at the on-vehicle display device 12 to view the car navigation information, the traffic situation ahead of the vehicle is displayed as the background. When the traffic condition in front of the vehicle changes, the change can be easily noticed.

In such an embodiment, since both the basic display screen and the image outside the vehicle are displayed on the entire screen, the display can be made large and the confirmation can be made more easily.

Next, a fourth embodiment of the present invention will be described. The block diagram is the same as that shown in FIG. 4 described above. FIG. 8 is an explanatory diagram showing a display example of the in-vehicle display device 12, in which the situation outside the vehicle is displayed as a background of the information presentation screen.

In such an embodiment, in order for the car navigation system 2 to receive the traffic information from the VICS or the like and to view the information to be presented according to the traffic situation, the driver operates the information presentation area of the on-vehicle display device 12. , The traffic situation ahead of the vehicle is displayed as the background, so that if there is a change in the traffic situation ahead of the vehicle, the change can be easily noticed.

Although the information presentation screen is the traffic information from the car navigation system 2 in FIG. 8 and the above description, the information presented is not limited to this, and may be information on the vehicle itself. .

Next, a fifth embodiment of the present invention will be described. The block diagram is the same as that shown in FIG. 4 described above. FIG. 9 is an explanatory diagram illustrating a display example of the in-vehicle display device 12, in which a situation outside the vehicle is displayed as a background of the information operation screen.

At the time of information operation such as setting the destination of the car navigation system 2, the setting contents (operation information) are displayed on the in-vehicle display device 12, and the setting is performed while watching the display. The driver operates the in-vehicle display device 12
Even when looking at the information operation area of, the traffic situation ahead of the vehicle is displayed as the background, so the driver
When there is a change in the traffic situation ahead of the vehicle, the change can be easily noticed. In particular, when operating a device, one point tends to be concentrated, so that it is effective to display it as a background as in the present embodiment.

In FIG. 9 and the above description, the information to be operated is a car navigation or the like. However, in a vehicle in which audio and air conditioning operations are performed on a vehicle-mounted screen, such operation screens may be used.

Next, a sixth embodiment of the present invention will be described. FIG. 10 is a block diagram illustrating a configuration of the vehicle display device 21 according to the sixth embodiment.

As shown in FIG.
Reference numeral 1 denotes a car navigation system 2, an outside camera 3 for photographing an external situation of the vehicle, a vehicle-mounted display device 12 for displaying various information related to the vehicle, and an image display controller 6.
An inter-vehicle distance sensor 22, an outside-vehicle situation determination device 23,
Is provided.

The car navigation system 2 and the outside camera 3 are connected to the image display controller 6, and the output signal of the inter-vehicle distance sensor 22 is processed by the outside condition determination device 23, and then sent to the image display controller 6. The contents of the screen display are the same as in the fifth embodiment, and a description thereof will be omitted.

The image display controller 6 changes the degree of display of the out-of-vehicle condition displayed on the in-vehicle display device 12 according to a signal from the out-of-vehicle condition determining device 23.

FIG. 11 shows this state. When the inter-vehicle distance between the host vehicle and the preceding vehicle is larger than a certain value, the outside condition is not displayed, and only when the inter-vehicle distance is smaller than a certain value, the outside condition is displayed as the background of the information operation screen shown in FIG.

Therefore, even when the driver is looking at the information operation screen, if the outside condition to be noticed is not detected, such as when the inter-vehicle distance to the vehicle in front is sufficiently maintained, the outside of the vehicle is detected. Since the status is no longer displayed, the display becomes simpler.

The inter-vehicle distance may be the physical distance itself. However, the inter-vehicle distance is converted into time based on a signal from a vehicle speed sensor (not shown), and a determination is made as to whether or not to display a situation outside the vehicle. It may be done at a distance. Although the display contents of the screen have been described in the same manner as in the fifth embodiment, it goes without saying that the display contents can be applied to the first to fourth embodiments.

Next, a seventh embodiment of the present invention will be described. The block diagram is the same as that of the sixth embodiment shown in FIG. The display contents of the screen are the same as in the fifth embodiment.

In this embodiment, the vehicle-to-vehicle distance depends on whether the vehicle-to-vehicle distance between the host vehicle and the preceding vehicle is larger or smaller than a predetermined vehicle-to-vehicle distance or a time-to-vehicle distance obtained by converting the vehicle-to-vehicle distance into time by vehicle speed. Rather than switching discontinuously between displaying and not displaying, as shown in FIG.
The degree of display is continuously changed.

The change in the degree of display may be linear as shown in FIG. 12 or a graph of inverse proportion (hyperbola)
As the distance between the vehicles decreases, the degree of display may increase in terms of acceleration. Further, as the inter-vehicle distance decreases, the degree of display may increase stepwise.

According to such an embodiment, since the display according to the distance between the vehicles is performed, it is possible to expect an effect of further promoting the line of sight to the driver.

In the above description, the contents displayed on the screen are the same as those in the fifth embodiment, but it goes without saying that the present invention can be applied to the first to fourth embodiments.

Next, an eighth embodiment of the present invention will be described. FIG. 13 is a block diagram illustrating a configuration of a vehicle display device 31 according to the eighth embodiment.

As shown in FIG.
Reference numeral 1 denotes a car navigation system 2, an outside camera 3 for photographing an external situation of the vehicle, a vehicle-mounted display device 12 for displaying various information related to the vehicle, and an image display controller 6.
An inter-vehicle distance sensor 22, an outside-vehicle situation determination device 23,
And a line-of-sight detection device 32. The contents displayed on the screen are the same as in the fifth embodiment.

The image display controller 6 includes a car navigation system 2, a camera 3 outside the vehicle, and a situation determination device 2 outside the vehicle.
In addition to 3, a gaze detection device 32 is connected.

The line-of-sight detection device 32 sends to the image display controller 6 information indicating whether or not the driver's line of sight is directed to the vehicle-mounted display device 12.
Displays the situation outside the vehicle as a background on the information operation screen (see FIG. 9) of the in-vehicle display device 12 when the driver's line of sight is facing the in-vehicle display device 12.

Then, similarly to the seventh embodiment, the display degree is controlled according to the situation outside the vehicle. When the driver's line of sight is not facing the in-vehicle display device 12, the situation outside the vehicle is not displayed on the screen. Therefore, when only a passenger other than the driver is looking at the in-vehicle display device 12, the screen becomes simpler. .

In the above description, the contents displayed on the screen are the same as those in the fifth embodiment, but it goes without saying that the same can be applied to the first to fourth embodiments.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a vehicle display device according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a state in which the vehicle display device according to the first embodiment is installed in a vehicle.

FIG. 3 is an explanatory diagram illustrating a display example of a main display device and an outside-of-vehicle status display device of the vehicle display device according to the first embodiment.

FIG. 4 is a block diagram illustrating a configuration of a vehicle display device according to a second embodiment of the present invention.

FIG. 5 is an explanatory diagram showing a state in which a vehicle display device according to a second embodiment is installed in a vehicle.

FIG. 6 is an explanatory diagram showing a display example of an in-vehicle display device of the vehicle display device according to the second embodiment.

FIG. 7 is an explanatory diagram showing a display example of an in-vehicle display device of a vehicle display device according to a third embodiment of the present invention.

FIG. 8 is an explanatory diagram showing a display example of a vehicle-mounted display device of a vehicle display device according to a fourth embodiment of the present invention.

FIG. 9 is an explanatory diagram showing a display example of an in-vehicle display device of a vehicle display device according to a fifth embodiment of the present invention.

FIG. 10 is a block diagram illustrating a configuration of a vehicle display device according to a sixth embodiment of the present invention.

FIG. 11 is a characteristic diagram showing a relationship between an inter-vehicle distance and a degree of display of a display device for a vehicle according to a sixth embodiment.

FIG. 12 is a characteristic diagram showing a relationship between an inter-vehicle distance and a degree of display of a vehicle display device according to a seventh embodiment of the present invention.

FIG. 13 is a block diagram showing a configuration of a vehicle display device according to an eighth embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1, 11, 21, 31 Vehicle display device 2 Car navigation system 3 Outside vehicle 4 Main display device 5 Outside vehicle status display device 6 Image display controller 7 Dashboard 12 In-vehicle display device 22 Inter-vehicle distance sensor 23 Outside vehicle condition determination device 32 Eye gaze detection apparatus

Continued on the front page (51) Int.Cl. ⁷ Identification code FI Theme coat II (Reference) H04N 7/18 H04N 7/18 J (72) Inventor Shunsuke Hijikata 2 Takaracho, Kanagawa-ku, Yokohama-shi, Kanagawa Nissan Motor Co., Ltd. (72) Inventor Kazuto Kato 2 Takara-cho, Kanagawa-ku, Yokohama-shi, Kanagawa Prefecture Inside Nissan Motor Co., Ltd. (72) Inventor Akinari Hirao 2 Takara-cho, Kanagawa-ku, Yokohama City, Kanagawa Prefecture Nissan Motor Co., Ltd. F-term (reference) 2C032 HB23 HB24 HC01 HC08 HC23 HC27 HC28 HC30 HD03 HD04 2F029 AA02 AB01 AB07 AB12 AC02 AC09 AC13 AC16 3D020 BA04 BB01 BC03 BD05 BE03 5C054 AA01 AA05 FA04 FE11 FE12 FE25 FF03 HA30 5H180 AA01 CC04 CC12 FF23 FF03 FF23 FF23 FF23 FF03 FF13 FF03 FF23 FF03 FF03 FF23 FF03 FF23 FF03 FF23 FF03 FF13 FF23 FF03

Claims (7)

[Claims] 1. A vehicular image display device provided with at least one basic display screen, comprising means for directly displaying, in a non-deformed state, an image outside the vehicle in the traveling direction in the vicinity of the basic display screen. A display device for a vehicle, comprising: 2. The vehicle display device according to claim 1, wherein the means for directly displaying the image outside the vehicle is provided separately from a basic display screen. 3. The vehicle display device according to claim 1, wherein the outside image is displayed in a basic display screen. 4. The vehicle display device according to claim 1, wherein the image outside the vehicle is displayed as a background of a basic display screen. 5. The vehicle display device according to claim 1, wherein the display content of the basic display screen is an information presentation screen. 6. The vehicle display device according to claim 1, wherein the display content of the basic display screen is an information operation screen. 7. The vehicle according to claim 1, further comprising a vehicle outside condition judging means for judging a vehicle outside condition, and adjusting a degree of display of the vehicle outside image based on information obtained by the vehicle outside condition judging device. Any one of claims 1 to 6
A display device for a vehicle according to the item.