JP2003063275A - Head-up display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To display an informing image for informing driving related information within a field of view of driving irrespective of driver's bodily features such as a height when sitting without obstructing a driving. SOLUTION: A head-up display device is provided with an information display source 12 for projecting a plurality of informing images for informing driving related information, a combiner 14 for displaying the informing images projected from the information display source 12 within a field of view ahead driver's seat, an image selection operation button for selecting a predetermined informing image among a plurality of informing images, and a control part 18 for projecting the informing image selected by the operation of the image selection operation button by the information display source 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a head-up mounted on a vehicle such as an automobile and displaying a notification image for notifying driving-related information such as the traveling speed of the vehicle in the field of view in front of the driver's seat. Display device

[0002]

2. Description of the Related Art Conventionally, various driving-related information such as a traveling speed, an engine speed, an accumulated traveling distance, a remaining fuel amount, and a water temperature of a radiator are displayed below a windshield in a driver's seat of a vehicle such as an automobile. Multiple instruments for speed measurement (speedometer, engine tachometer, total distance meter, fuel gauge, water temperature gauge, etc.)
Is equipped with an instrument panel,
The driver sitting in the driver's seat was supposed to drive while visually checking the front of the windshield and checking the instruments on the instrument panel as needed.

On the other hand, a driver visually recognizing the front side of the windshield changes his or her line of sight from the field of view of the front to the instrument panel at the lower side and instantaneously focuses on it to read the information content displayed on each instrument. Since it can be difficult, a head-up display device has been developed that displays a notification image for notifying various driving-related information as a virtual image in the driving field in front of the windshield as an auxiliary means for measuring instruments. ing.

In such a head-up display device, since the informing image for informing the driving-related information is superimposed and displayed within the driving field of view, the visibility of the driving-related information is excellent and the driver is driving. It becomes very easy to read the information content in. However, in a driving situation in which the driver's driving field of view needs to be watched when turning a sharp curve or performing sudden acceleration, the display of the notification image in the driving field of view may be an obstacle. Therefore, it has been proposed to automatically determine such a situation and move the display position of the notification image to another location within the driving field of view (Japanese Patent Laid-Open No. 7-2).
66925, Japanese Patent Laid-Open No. 10-100739).

[0005]

However, in each of the above-mentioned conventional head-up display devices, the type of the notification image for notifying the driving-related information displayed in the driving field of view is fixed, and Since there are differences in physical characteristics such as sitting height depending on the driver, it may not be possible to display the notification image in the driving field of view without disturbing the driver by simply moving the display position to another location. There was a problem that it would occur.

The present invention has been made in view of such circumstances, and it is possible to easily display a plurality of notification images for notifying the driving-related information in the driving field of view without disturbing the driving. An object is to provide a head-up display device.

[0007]

In order to achieve the above object, the invention of claim 1 provides a display source for projecting a plurality of notification images for notifying driving-related information, and a notification image projected by the display source. Is a head-up display device including a combiner arranged in a driving field of view for displaying, and an image selection operation means for selecting a predetermined notification image from the plurality of notification images, and the image selection operation means. And a display control unit that causes the display source to project the notification image selected by the above operation.

According to this structure, the notification image to be projected is selected by operating the image selecting operation means, the selected notification image is projected from the display source toward the combiner, and the projected notification image is driven. It is displayed as a virtual image in the field of view in front of the seat. Therefore, by appropriately selecting the notification image to be displayed according to the physical characteristics such as the sitting height of the driver, it is possible to easily display the notification image in the driving visual field without disturbing the driving.

According to a second aspect of the present invention, in the first aspect, the plurality of notification images are the plurality of first notification images that are necessarily projected and the plurality of second notification images that are selectively projected. An image, the image selection operation means selects a predetermined notification image from the second notification images, and the display control means selects the first notification image together with the first notification image. It is characterized in that the second notification image is projected.

According to this structure, the notification image to be displayed is selected from the second notification images, and the selected notification image is projected from the display source toward the combiner together with the first notification image. For this reason, a notification image that is absolutely necessary for performing safe driving such as traveling speed is set as the first notification image, and a notification image that is not necessarily required for performing safe driving such as traveling distance is set as the second notification image. By setting as the notification image, it is possible to prevent the display of the notification image, which is important for safe driving, from being lost.

According to a third aspect of the present invention, in the second aspect, at least one of the first notification images is included.
Of the second notification image has a larger display size than any of the second notification images.

According to this structure, the notification image which is not always necessary for performing the safe driving such as the traveling distance is larger than the at least one notification image which is necessarily required for performing the safe driving such as the traveling speed. Never becomes. Therefore, it is possible to prevent the driver's attention to the notification image that is absolutely necessary for performing safe driving such as traveling speed from being distracted by the notification image that is not necessarily required for performing safe driving.

The invention of claim 4 relates to claims 1 to 3.
In any one of the above, a screen selection operation means for selecting one notification screen from a plurality of notification screens having different arrangement configurations of the notification images is provided, and the display control means operates the screen selection operation means. It is characterized in that the notification screen selected by is projected.

According to this structure, one notification screen is selected from among a plurality of notification screens having different notification image arrangement configurations by operating the screen selection operation means, and the selected notification screen is projected. Therefore, by appropriately selecting the notification screen to be displayed according to the physical characteristics such as the sitting height of the driver, it is possible to easily display the notification image in the driving visual field without disturbing the driving.

Further, the invention of claim 5 relates to claims 1 to 4.
In any one of the above, a size selection operation means for selecting a display size of the notification image is provided, and the display control means projects the notification image of the display size selected by the size selection operation means. It is characterized by that.

According to this structure, the display size of the notification image is selected by operating the size selection operation means, and the notification image of the selected display size is displayed. Therefore, by appropriately selecting the display size in accordance with the physical characteristics such as the sitting height of the driver, it is possible to easily display the notification image in the driving visual field without disturbing the driving.

[0017]

1 is a diagram partially showing the interior of a vehicle such as an automobile equipped with a head-up display device according to a first embodiment of the present invention, and FIG. 2 is a head-up display. It is a figure which shows the structure of an apparatus schematically. In these drawings, the head-up display device 10 adjusts a plurality of notification images for notifying driving-related information displayed in the driving field of view to the physical characteristics such as the sitting height of a driver when purchasing an automobile or the like. The information display source 12 that projects a notification image for notifying a plurality of driving-related information, and the notification image projected from the information display source 12 within the visual field in front of the driver's seat. A combiner 14 displayed as a virtual image, and an operation member 16 for selecting and setting the notification image projected from the information display source 12.
And a control unit 18 that controls the overall operation.

The information display source 12 is arranged in the central portion of the upper surface of the instrument panel 20 in the vehicle compartment, and is used to notify a plurality of driving-related information such as the traveling speed of the automobile and the engine speed. A transmissive liquid crystal display 22 for displaying a notification image, a light source 24 disposed on the back surface of the liquid crystal display 22, and a light source 24 transmitted through the liquid crystal display 22.
Reflecting mirror 26 that reflects light from the side of the combiner 14
It has and.

The combiner 14 is disposed along the indoor surface of the windshield 30 within the driving field of view, and has a size capable of displaying a plurality of notification images projected from the information display source 12. It has a display area. In addition,
When the windshield 30 is a laminated glass, the combiner 14 may be embedded inside the glass.

The operation member 16 is arranged in the center of the front surface of the instrument panel 20, and is a track pad or a track ball for inputting the coordinate position of the marker (pointer) on the display screen of the liquid crystal display 22. A pointing device (image position pointing device) 40, and a screen selection operation button 42 for selecting one of the plurality of notification screens in which the arrangement configuration of the plurality of notification images projected from the information display source 12 is different An image selection operation button 44 for selecting a predetermined notification image from the plurality of notification images,
A size selection operation button 46 for selecting the display size of the notification image and an enter button 48 for confirming the contents selected by operating the operation buttons 42, 44, 46 are provided.

An input terminal 50 for connecting a personal computer is arranged at a position adjacent to the operation member 16 on the front surface of the instrument panel 20, and the personal computer connected to the input terminal 50 operates the input terminal 50. A function similar to that of the member 16 can be achieved.

The pointing device 40 moves the position of the marker on the display screen of the liquid crystal display 22 by operating the operation part thereof, and at the same time, the liquid crystal display 2
This is for moving the notification image that matches the position of the marker on the second display screen together with the marker.

The screen selection operation button 42 selects one of the notification screen (initial screen) shown in FIG. 3 and the notification screen (change screen) shown in FIG. 4 by pressing the button. That is, when the confirmation button 48 is pressed after pressing the screen selection operation button 42, an initial screen including a plurality of notification images for notifying a plurality of driving-related information as shown in FIG. 3 from the information display source 12 is displayed. When the confirmation button 48 is pressed after the screen selection operation button 42 is pressed again, the information display source 12 notifies a plurality of driving-related information as shown in FIG. A change screen including a plurality of notification images is projected on the combiner 14. Thus, in the present embodiment, the screen selection operation button 4
2 and the confirm button 48 constitute a screen selection operation means.

The initial screen and the change screen can be sequentially switched by repeatedly operating the screen selection operation button 42. Normally, for example, the initial screen is displayed. The change screen is switched when the driving visual field is obstructed by the notification image displayed due to the physical characteristics of the vehicle. As described above, these initial screens and change screens are set by the driver or the like in advance when purchasing an automobile or the like. Of course,
The setting can be changed sequentially as needed.

The initial screen shown in FIG. 3 is the combiner 1
4 is a notification image for displaying the traveling speed located at the upper right of 4, an engine tachometer 54 is a notification image for displaying the engine speed located at the lower right, the speedometer 52 and the engine A pair of left and right direction indicators 56, which are notification images for blinking the turning direction of the vehicle, which are located between the tachometers 54, and an odometer 58, which is an notification image for displaying the number of mileages located at the upper left. , A clock 60, which is a notification image for displaying the time located in the middle of the left, a fuel level meter 62, which is a notification image for displaying the remaining amount of fuel, which is located in the lower center, and a radiator, which is located in the lower left. It is provided with a water temperature gauge 64 which is a notification image for displaying the water temperature.

Further, in the change screen shown in FIG. 4, a display prohibition area 66 for ensuring a driving visibility is set at an intermediate portion in the vertical direction of the combiner 14 and a belt-shaped large-sized display area extending in the horizontal direction at the lower end portion. 68 is set, and a small object display area 70 extending in the lateral direction is set at the upper end.

In the large-sized display area 68, the speedometer 5 which is a notification image for displaying the traveling speed located on the right side of the central portion.
2, an engine tachometer 54, which is a notification image for displaying the engine speed located on the left side of the central portion, and a speedometer 52.
Of the left and right sides of the engine tachometer 54 and a pair of left and right direction indicators 56, which are notification images for blinking and displaying the turning direction of the automobile, and a notification for displaying the number of mileages located at the left end. And an odometer 58 which is an image. In the small item display area 70, a clock 60 that is a notification image for displaying the time located at the left end, a fuel level meter 62 that is a notification image for displaying the fuel remaining amount located at the right end, It is provided with a water temperature gauge 64 which is a notification image for displaying the water temperature of the radiator located in the central portion.

The speedometer 52 displayed on the initial screen and the change screen is displayed at a position where the pointer indicates the corresponding speed scale based on the signal detected by the vehicle speed sensor (not shown) during traveling. It is configured. Engine tachometer 5
Reference numeral 4 is configured to be displayed at a position where the pointer indicates a corresponding rotation speed scale on the basis of a signal detected by a rotation speed sensor unit (not shown) during traveling. The direction indicator 56 is configured to indicate a turning direction by a blinking operation based on a signal output by an operation of an operation unit (not shown) by a driver during traveling.

The odometer 58 is constructed so that the integrated traveling distance is displayed as a digital value on the basis of a signal output from an integrated traveling distance sensor unit (not shown) during traveling.
The clock 60 is configured to display the current time as a digital value based on a signal output from a timer unit (not shown). The fuel level meter 62 is configured to display the fuel level based on a signal output from a level sensor unit provided in the fuel tank. Water temperature meter 64
Is configured to display a warning in the event of an abnormality based on a signal output from a water temperature sensor unit arranged in the radiator.

When the image selection operation button 44 is pressed, a marker (pointer) 72 shown in FIG. 5 is displayed. The pointing device 40 moves the marker 72 to a position of a predetermined notification image to display in the screen. The information image to be displayed is selected by deleting the information image from. In the present embodiment, of the notification images shown in FIGS. 3 and 4, the speedometer 52, the direction indicator 56, and the fuel level meter 62 are essential for executing safe driving (first notification image). There are engine tachometer 54, odometer 58, clock 6
The display of 0 and the water temperature gauge 64 can be selected as those that are not indispensable for executing safe driving (second notification image), and the visibility of the driving can be more secured by deleting unnecessary notification images. Be certain.

That is, in the case of the initial screen shown in FIG. 3, after pressing the image selection operation button 44, the enter button 48 is pressed.
When is pressed, the combiner 14 is pressed as shown in FIG.
The storage unit 74 is displayed in the upper right corner of the display area. Then, the pointing device 40 is operated to operate the marker 72.
To the notification image you want to delete, and press the confirm button 48 again.
By depressing, the notification image at the position of the marker 72 is erased and thinned out. This erased notification image is
When the marker 72 is moved to the position of the storage section 74 and the confirm button 48 is pressed, it is displayed in the erase content screen as shown in FIG. Here, the case where the engine tachometer 54 and the odometer 58 are erased is shown as an example. When the confirm button 48 is pressed while the erase content screen is displayed, the erased notification image is restored and the figure is displayed. Return to the original initial screen shown in 3. Note that FIG.
Also in the case of the change screen shown in FIG. 3, an unnecessary notification image can be deleted from the second notification image by the same operation as in the case of the initial screen shown in FIG. As described above, in the present embodiment, the image selection operation means for performing the selection operation of the notification image to be displayed by the pointing device 40, the image selection operation button 44, and the confirm button 48 is configured.

When the size selection operation button 46 is pressed, the marker 72 shown in FIG. 7 is displayed. By moving the marker 72 to the position of a predetermined notification image by the pointing device 40, the position of the marker 72 is moved. The selection operation of the display size of the notification image that coincides with is performed. That is, in this embodiment, the initial screen shown in FIG.
As shown in, when the marker 72 is made to match the notification image (speedometer 52 in the figure) whose display size is to be changed and the size selection operation button 46 is repeatedly pressed, for example, a reduced size, standard Three types of notification images of size and enlarged size are sequentially displayed, and the size being displayed is confirmed by pressing the confirm button 48. As described above, in this embodiment, the size selection operation button 46 and the confirm button 48 constitute a size selection operation means.

Incidentally, the speedometer 52 of the first notification image
Is set to be larger than the enlarged size of any of the second notification images of the engine tachometer 54, the odometer 58, and the like even in the case of the reduced size. As a result, the speedometer 52 is differentiated from the other notification images, so that the visibility is improved and the safe driving can be surely executed.

The control unit 18 is a CP that executes arithmetic processing.
U, ROM for storing data and control programs, and RAM for temporarily storing data. As shown in FIG. 8, the control unit 18 includes a pointing device 40 of the operation member 16 and a screen selection operation button 4.
2, image selection operation button 44, size selection operation button 46
And a confirmation button 48 is connected via an interface circuit (not shown). Further, to the control unit 18, a liquid crystal display 22 and a light source 24 are connected through an interface circuit (not shown), and an image memory 78 in which a notification image to be displayed on the liquid crystal display 22 is stored is not shown. Connected through the interface circuit of. It should be noted that a signal detected by each sensor unit for displaying the notification information (the traveling speed in the case of the speedometer 52) of the speedometer 52 or the like is input to the control unit 18 via the interface circuit. However, the illustration is omitted.

Further, the control unit 18 includes a display switching control unit 8
0, an image selection control unit 82, a size selection control unit 84, a switching instruction determination unit 86, a deletion instruction determination unit 88, and a size instruction determination unit 90. The display switching control unit 80 selectively displays the initial screen shown in FIG. 3 and the change screen shown in FIG. 4 from the image memory 78 in response to the pressing operation of the screen selection operation button 42, thereby causing the liquid crystal display 22 to display the initial screen. The information is displayed on the information display unit 12. The image selection control section 82 reads a plurality of notification images excluding the notification images to be deleted according to the pressing operation of the image selection operation button 44 or the like from the image memory 78 to selectively display on the liquid crystal display 22, The information is displayed on the information display unit 12. The size selection control section 84 reads out a notification image of the display size selected according to the pressing operation of the size selection operation button 46 from the image memory 78 to selectively display it on the liquid crystal display 22, and the information display section 12 It is what is projected.

Further, the switching instruction determination section 86 determines whether or not an instruction to switch the notification screen is issued by pressing the screen selection operation button 42 and the confirm button 48. The deletion instruction determination unit 88 determines whether or not an instruction to delete the notification image is issued by pressing the image selection operation button 44 and the confirm button 48. Size instruction determination unit 9
0 is for determining whether or not an instruction to change the size of the notification image is issued by pressing the size selection operation button 46 and the confirm button 48.

FIG. 9 shows a head-up display device 1.
9 is a flowchart for explaining a notification screen selection operation in 0. First, the switching instruction determination unit 86 determines whether or not an instruction to display the initial screen has been issued (step # 1). That is, after the screen selection operation button 42 is pressed, the confirmation button 48 is pressed within a predetermined time to give an instruction to display the initial screen. For this reason,
The switching instruction determination unit 86 determines whether or not the operation signal output by operating the screen selection operation button 42 and the operation signal output by operating the confirm button 48 are detected. It is determined whether or not a display instruction has been given.

If the determination in step # 1 is affirmative, the display switching control unit 80 reads out a plurality of notification images for displaying the initial screen shown in FIG. 3 from the image memory 78 and displays them on the liquid crystal display 22. , Is projected onto the combiner 14 (step # 3). If the determination in step # 1 is denied,
Wait until affirmative. Then, the switching instruction determination unit 86 determines whether or not an instruction to display the change screen has been issued (step # 5).

That is, the screen selection operation button 42 is pressed again within a predetermined time after the initial screen is displayed, and the confirm button 48 is pressed within a predetermined time after the pressing operation to change the change screen. Is displayed. Therefore, the switching instruction determination unit 86 outputs the operation signal output by operating the screen selection operation button 42 after the initial screen is displayed and the operation signal output by operating the confirm button 48. It is determined whether or not an instruction to display the change screen is issued depending on whether or not is detected.

If the determination in step # 5 is affirmative, the display switching control unit 80 reads out the notification image for displaying the change screen shown in FIG. 4 from the image memory 78 and the liquid crystal display 2
2 and is projected on the combiner 14 (step # 7). If the determination in step # 5 is negative, the notification screen selection operation ends after a certain period of time.

FIG. 10 is a flow chart for explaining the operation of selecting the notification image to be deleted on the initial screen (FIG. 3) or the change screen (FIG. 4) in the head-up display device 10. First, the deletion instruction determination unit 88 determines whether or not a deletion instruction for a predetermined notification image (for example, the engine tachometer 54) has been executed (step #
11).

That is, after pressing the image selecting operation button 44, the confirm button 48 is pressed, and the marker 72 is pressed.
Confirm button 4 again after it is moved to the notification image to be deleted
It is executed by determining whether or not 8 is pressed by an operation signal output according to the pressing operation of each button. Then, if the determination in step # 11 is positive,
The notification image designated by the image selection control unit 82 is deleted,
The notification image in the thinned state is displayed (step # 13). If the determination in step # 11 is negative, the process waits until the determination is positive.

FIG. 11 is a flow chart for explaining the operation of selecting the display size of the notification image in the head-up display device 10. First, the size instruction determination unit 90 determines whether or not a size selection instruction has been executed (step # 21).

That is, whether the size selection operation button 46 has been pressed and then the confirm button 48 has been pressed, the marker 72 has been moved to the notification image for which the display size is to be changed, and then the size selection operation button 46 has been pressed again. It is executed by determining whether or not the operation signal is output according to the pressing operation of each button. And step # 2
If the determination in 1 is affirmative, a notification image of the display size designated by the size selection control unit 84 is displayed (step # 23). If the determination in step # 21 is negative, the process waits until the determination is positive.

12 and 13 are views showing the interior of a vehicle such as an automobile in which the head-up display device according to the second embodiment of the present invention is mounted. Here, FIG. 12 is a side view of the vicinity of the driver's seat, and FIG. 13 is a front view of the driver's seat. The head-up display device 100 according to the second embodiment is mounted on a ceiling above the driver's seat and has an information display source 102 for projecting a notification image for notifying a plurality of driving-related information and a field of view of the driver's seat. It is projected from the information display source 102 and the combiner 106 that is attached to the surface of the semi-transparent sun visor 104 arranged at the facing position and displays the notification image projected from the information display source 102 within the visual field in front of the driver's seat. A remote control operation member 108 for selectively setting the notification image and the like, and a control unit 110 for controlling the entire operation are provided.

The information display source 102 has a liquid crystal display 112 having the same structure as the liquid crystal display 22 according to the first embodiment.
And a light source 114 having a configuration similar to that of the light source 24 according to the first embodiment, and an optical system 116 that forms an image of light from the light source 114 that has passed through the liquid crystal display 22 on the surface of the combiner 106. Since the combiner 106 has substantially the same function as the combiner 14 according to the first embodiment, the description thereof will be omitted.

The operation member 108 includes a cross key 118 having the same function as the pointing device 40 according to the first embodiment, a screen selection operation button 42, an image selection operation button 44, and a size selection according to the first embodiment. The operation button 46 and the confirm button 48 are provided with four operation buttons 120, 122, 124, 126 having the same functions, and the cross key 118 and the operations 120, 12 are provided.
An infrared transmitter 128 for transmitting an operation signal output by operating 2, 124, 126 to the control unit 110.

The control unit 110 has substantially the same function as the control unit 18 according to the first embodiment except that the control unit 110 includes an infrared receiver 130 that receives an operation signal from the operation member 108. Therefore, the description thereof is omitted.

The head-up display device 100 according to the second embodiment having the above-described configuration is according to the first embodiment except that the information display source 102 and the combiner 106 are arranged at different positions in the vehicle compartment. The head-up display device 1 has substantially the same configuration as that of the head-up display device 10, and each selection operation by the control unit 110 is also the same.
Description of each selection operation of 00 will be omitted.

Head-up display device 1 of the present invention
Although 0 and 100 are configured as in the above embodiment, the present invention is not limited to this, and various modified modes as described below can be adopted.

(1) In the above embodiment, the notification screen projected on the combiner has one initial screen (FIG. 3) and one change screen (FIG. 4), but the present invention is not limited to this. . For example, you may have several change screens from which the arrangement structure of an alerting image differs mutually. By having a plurality of change screens in this way, a more preferable change screen can be selected in accordance with the physical characteristics such as the sitting height of the driver.

(2) In the above embodiment, as the notification image,
Speedometer 52, engine tachometer 54, direction indicator 56, odometer 58, clock 60, fuel level gauge 62 and water temperature gauge 6
Although 4 is displayed, it is not limited to this. For example, when necessary instruments are arranged on the instrument panel 20 as in the conventional case, an arbitrary notification image may be projected on the combiners 14 and 106 according to the driver's preference. Further, the speedometer 52 and the engine tachometer 54 are adapted to display the content of the notification in analog form, but can also be digitally displayed. It should be noted that, although the above embodiment does not particularly mention whether or not the instruments necessary for the instrument panel 20 are conventionally arranged, the head-up display device 10, 100 of the present invention is provided with the conventional instruments. It may be configured to be used or used alone.

(3) In the above embodiment, the notification image remaining when the predetermined notification image is erased is assumed to be located at the original position, but the present invention is not limited to this. For example, when the predetermined notification image is erased, the arrangement configuration of the remaining notification images may be changed so that the driving field of view can be more reliably ensured. When the arrangement configuration of the remaining notification images is changed as described above, the once deleted information image may be returned to a predetermined position different from the initial position, or the arrangement configuration may be changed again to return to the original position. You may do it.

(4) In the above embodiment, the operation buttons of the operation member 16 include the screen selection operation button 42, the image selection operation button 44, the size selection operation button 46, and the confirm button 48, but this is not the only option. is not. For example, regarding the screen selection operation button 42, the image selection operation button 44, and the size selection operation button 46, it is possible to realize each function by the same operation button by changing the number of times of pressing. Further, the button operation in the above-described embodiment for executing each selection operation of the notification screen and the like is only an example and can be changed as necessary.

(5) In the first embodiment, the reflection mirror 26 of the information display source 12 has a fixed reflection position with respect to the combiner 14, but the present invention is not limited to this. For example, the reflection mirror 26 may be configured to be rotatable by a drive motor, and the reflection position with respect to the combiner 14 may be changed. If the reflecting mirror 26 is configured to be rotatable in this way, a more preferable display position can be selected in accordance with the physical characteristics such as the sitting height of the driver.

[0056]

As described above, according to the head-up display device of the present invention, the image selection operation means for selecting a predetermined notification image from the plurality of notification images, and the selection by the operation of the image selection operation means. Since it is provided with the display control means for projecting the displayed notification image from the display source, it is possible to easily display the notification image for notifying the driving-related information in the driving field of view without disturbing the driving.

[Brief description of drawings]

FIG. 1 is a diagram showing the interior of a vehicle such as an automobile equipped with a head-up display device according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a configuration of a head-up display device mounted in the vehicle cabin shown in FIG.

FIG. 3 is a diagram showing an initial screen projected on a combiner of the head-up display device shown in FIG.

FIG. 4 is a diagram showing a change screen projected on a combiner of the head-up display device shown in FIG.

5A and 5B are views for explaining a notification image selecting operation in the head-up display device shown in FIG.

FIG. 6 is a diagram showing a deletion content screen of a notification image in the head-up display device shown in FIG.

FIG. 7 is a diagram for explaining an operation of selecting a display size of a notification image in the head-up display device shown in FIG.

8 is a block diagram for explaining a control configuration of the head-up display device shown in FIG.

9 is a flowchart for explaining a notification screen selecting operation in the head-up display device shown in FIG.

10 is a flow chart for explaining a notification image selecting operation in the head-up display device shown in FIG.

FIG. 11 is a flowchart for explaining an operation of selecting a display size of a notification image in the head-up display device shown in FIG.

FIG. 12 is a diagram showing the interior of a vehicle such as an automobile equipped with a head-up display device according to a second embodiment of the present invention.

FIG. 13 is a diagram showing the interior of a vehicle such as an automobile equipped with a head-up display device according to a second embodiment of the present invention.

[Explanation of symbols]

10,100 head-up display device 12,102 Information display source (display source) 14,106 combiner 16,108 Operation member 18,110 Control unit 40 pointing device 42,120 Screen selection operation buttons 44,122 Image selection operation buttons 46,124 Size selection operation buttons 48,126 Confirm button 80 Display switching control unit (display control means) 82 Image Selection Control Unit (Display Control Unit) 84 size selection control section (display control means)

Claims (5)

[Claims] 1. A head-up comprising a display source for projecting a plurality of notification images for informing driving-related information and a combiner arranged in a driving visual field for displaying the notification images projected by the display source. An image selection operation means for selecting a predetermined notification image from the plurality of notification images, and a display control means for projecting the notification image selected by the operation of the image selection operation means by the display source. And a head-up display device. 2. The plurality of notification images include a plurality of first notification images that are always projected and a plurality of second notification images that are selectively projected, and the image selection operation means is configured to A predetermined notification image is selected from the two notification images, and the display control means projects the selected second notification image together with the first notification image. The head-up display device according to claim 1. 3. At least one of the first notification images
3. The head-up display device according to claim 2, wherein the notification image has a display size larger than any of the second notification images. 4. A screen selection operation means for selecting one notification screen from a plurality of notification screens having different arrangement configurations of the notification images, wherein the display control means is selected by operation of the screen selection operation means. The head-up display device according to any one of claims 1 to 3, wherein the head-up display device projects a notification screen. 5. A size selection operation means for selecting a display size of the notification image is provided, and the display control means projects the notification image of the display size selected by the size selection operation means. Claims 1 to 4
The head-up display device according to any one of 1.