JP2000016169A - Light emission stopping device for automobile display - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a light emission stopping device for an automobile display whereby the vehicle compartment is precluded from being illuminated light internally by the display when the car is moving backward. SOLUTION: When the reverse position of a transmission is selected by a reverse sensing means 6, light emission from a screen of a display means 1 is stopped by a light emission stopping means 5, so that there is not risk that inside the vehicle compartment is illuminated light when the car is moving backward. Accordingly the driver will never be bothered by glaring owing to lightness inside the vehicle compartment even in case the car is moved back at night, so that he can see well the surrounding of the car. When the reverse position is disengaged, the screen is restituted to its initial light emitting state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for stopping light emission of an automobile display.

[0002]

2. Description of the Related Art A screen of a display device is provided on an instrument panel or the like of an automobile, and displays a navigation map or a television image on the screen. The screen of this type of display device emits light brightly, and even if the lamp in the vehicle interior is turned off, the vehicle interior is brightly illuminated by the screen emission of this display device (Japanese Patent Laid-Open No. 6-255 as a similar technique).
396).

[0003]

However, in such a conventional technique, the interior of the vehicle is illuminated brightly by the light emission of the screen of the display device. In this case, depending on the surrounding conditions such as the presence or absence of a street light, there is a possibility that the surroundings of the vehicle may be difficult to see due to the dazzlingness of the brightness inside the vehicle.

The present invention has been made by paying attention to such a conventional technique, and provides a light emission stopping device for an automobile display which prevents the interior of the vehicle from being brightly illuminated by the display when the vehicle retreats. .

[0005]

According to the first aspect of the present invention, there is provided a display means for displaying images and characters on a screen,
Reverse transmission means for detecting selection and cancellation of the reverse position in the transmission, and light emission stop means for stopping light emission of the display means only while the reverse detection means detects the selection of the reverse position.

According to the first aspect of the present invention, when the reverse position of the transmission is selected, the light emission stop means stops the light emission of the screen of the display means, so that the interior of the vehicle is brightly illuminated when the vehicle retreats. Never. Therefore, even when the vehicle is moved backward at night, the surroundings of the vehicle can be seen well because the brightness inside the vehicle does not disturb the driver. When the reverse position is released, the light emission state of the screen of the display means is restored to the original state.

[0007] The invention according to claim 2 is provided with a selection means capable of selecting operation or non-operation of the light emission stopping means.

According to the second aspect of the present invention, the surroundings of the vehicle can be seen well even if the screen of the display means remains illuminated depending on the surrounding conditions such as the presence or absence of a streetlight. Instead of stopping the light emission, it is possible to arbitrarily select the operation and non-operation of the light emission stop means by the selection means.

According to a third aspect of the present invention, there is provided a structure in which the light emission stopping means cuts off the power of the display means.

According to the third aspect of the present invention, the screen emission of the display can be stopped by shutting off the power supply of the display means.

According to a fourth aspect of the present invention, the light emission stopping means covers the display means with an opening / closing cover.

According to the fourth aspect of the present invention, it is possible to stop the screen light emission of the display by covering the display means with the opening / closing cover.

According to a fifth aspect of the present invention, there is provided a structure in which the light emission stopping means blanks the screen of the display means.

According to the fifth aspect of the present invention, the screen emission of the display can be stopped by blanking the screen of the display means.

[0015]

According to the first aspect of the present invention, when the reverse position of the transmission is selected, the light emission stop means stops the light emission of the screen of the display means, so that the vehicle interior becomes bright when the vehicle moves backward. It will not be illuminated. Therefore,
Even when the vehicle is moved backward at night, the surroundings of the vehicle can be seen well because the brightness inside the vehicle does not disturb the driver. When the reverse position is released, the light emission state of the screen of the display means is restored to the original state.

According to the second aspect of the present invention, the surroundings of the vehicle can be seen well even if the screen of the display means remains illuminated depending on the surrounding conditions such as the presence or absence of a streetlight. Instead of stopping the light emission, it is possible to arbitrarily select the operation and non-operation of the light emission stop means by the selection means.

According to the third aspect of the present invention, the screen light emission of the display can be stopped by shutting off the power supply of the display means.

According to the fourth aspect of the present invention, the display screen can be stopped by covering the display means with the opening / closing cover.

According to the fifth aspect of the present invention, the screen emission of the display can be stopped by blanking the screen of the display means.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a diagram showing a configuration of a light emission stopping device of an automobile display according to this embodiment, and FIG. 2 shows a specific operation flow.

Reference numeral 1 denotes display means incorporated in an instrument panel in the vehicle. The display means 1 includes a navigation 2, a television tuner 3,
Camera means 4 for photographing the rear image is connected. Therefore, the display means 1 can selectively display a navigation screen, a television screen, and a rear image.

Depending on the system of the display means 1, an air conditioner operation screen, a hands-free telephone operation screen, a radio operation screen, a CD operation screen, a cassette tape operation screen, etc. may be displayed in addition to the navigation screen and the television screen. it can.

The navigation screen of the display means 1 has a bright day mode with a beige background color and a dark night mode with a black background color. Switching between day and night modes is performed automatically in conjunction with the lights of the car.

The display means 1 further includes:
Light emission stopping means 5 is connected. A reverse detection unit 6 and a selection unit 7 are connected to the light emission stop unit 5. The reverse detecting means 6 detects whether the reverse position is selected or released in the transmission. The light emission stop means 5 automatically shuts off the power of the display means 1 when the reverse detection means 6 detects the reverse position. Selection means 7
Can select the operation or non-operation of the light emission stop means 5 having the above-mentioned automatic power-off function. That is, it is an ON / OFF switch of the light emission stopping means 5 itself.

The display means 1 is controlled by the light emission stopping means 5.
The operation when the screen light emission is stopped will be described with reference to FIG. 2 showing a flowchart according to the actual night driving situation of the automobile. In this embodiment, the light emission stopping means 5 is set in the operating state (ON state) in the selecting means 7 in advance.

First, the engine is started by setting the key to the IGN position (step 1). It detects that the key position is IGN (step 2), turns on navigation automatically, and displays a map on the screen (step 3). The screen showing the navigation at this time is in the beige day mode with a bright background because the light is not turned on yet.

Next, when the lamp of the car is turned on (step 4), the fact is detected, and the screen of the display means 1 showing the map of the navigation 2 is set to the night mode with a dark black background (step 4). Step 5). Then, the gear is put into the drive, and normal forward running is started (step 6). During forward running, the vehicle speed is detected and the current position is calculated (step 7). When the car arrives at the parking lot, the running stops (step 8). Then, the lamp is turned off (step 9). Since the lamp is turned off, the display of the screen of the navigation 2 becomes a bright day mode (step 10).

Next, in order to stop the vehicle at a predetermined position in the parking lot, the vehicle is moved backward by moving the gear to the reverse position (step 11). At this time, the reverse detection means 6
Detects the selection of the reverse position and performs vehicle speed detection and position detection (step 12). At the same time, when the reverse detecting means 6 detects the selection of the reverse position, the light emission stopping means 5 is activated and the power supply of the display means 1 is cut off (step 13). Therefore, while the vehicle is moving backward, the screen of the display means 1 is completely turned off, and there is no light emission. Therefore, when the vehicle is moved backward, when the surroundings of the outside of the vehicle are viewed from the inside of the vehicle, there is no dazzling due to the brightness inside the vehicle.

When the vehicle comes to a predetermined position in the parking lot, the vehicle stops traveling backward (step 1).
4). Next, the gear is put into the parking position (step 15). The reverse detection means 6 detects that the reverse position has been released due to the selection of a position other than the reverse position (step 16).
The light emission stopping means 5 is operated, the power of the screen of the display means 1 is restored, and the display in the daytime mode is performed (step 17). Finally, stop the engine and turn the key
It is turned to the FF position (step 18).

As described above, in this embodiment, even when the reverse position of the transmission is selected, the power supply on the screen of the display means 1 is shut off, so that the interior of the vehicle becomes bright when the vehicle retreats. It is not illuminated and the surroundings of the vehicle are clearly visible.

In the above description, the display means 1
Display means 1 to stop the light emission of the screen of
The screen of the display means may be covered by the open / close cover only while the reverse position is selected.
May be blanked (made black).

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a light emission stopping device for an automobile display according to an embodiment of the present invention.

FIG. 2 is a flowchart showing an operation state of light emission stopping means according to a night driving situation of the automobile.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Display means 2 Navigation 3 TV tuner 4 Camera 5 Light emission stop means 6 Reverse detection means 7 Selection means

Claims (5)

[Claims] 1. A display means for displaying images and characters on a screen, a reverse detection means for detecting selection and cancellation of a reverse position in a transmission, and a display means only while the reverse detection means detects the selection of a reverse position. A light emission stopping device for an automobile display, comprising a light emission stopping means for stopping light emission of the means. 2. The device for stopping light emission of a vehicle display according to claim 1, further comprising a selection means for selecting operation or non-operation of the light emission stop means. 3. The light emission stopping device for an automobile display according to claim 1, wherein the light emission stopping means has a structure for shutting off a power supply of the display means. apparatus. 4. The light emission stopping device for an automobile display according to claim 1, wherein the light emission stopping means has a structure in which the display means is covered by an opening / closing cover. Stop device. 5. The light emission stopping device for a vehicle display according to claim 1, wherein the light emission stopping means has a structure in which a screen of the display means is blanked. Stop device.