JP2008168799A - Display unit for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display unit for a vehicle, which displays a display in an easily recognizable way to a driver concerning where and which information is displayed by means of a head-up display, so that information recognizing time is reduced. <P>SOLUTION: An icon display area 21 for a display in a meter, and an icon display area 22 for a center display, are provided to display a display content, determined to have a low order of importance, with the order of recognition easiness lowered, in part of the head-up display 2 that is the most recognizable, with indication of a display unit where it is displayed. Icons 211 and 221 to indicate the display unit it is on are displayed by a control part 1. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention belongs to a technical field of a vehicle display device that transmits information to an occupant by display.

Conventionally, a display unit A provided on the driver's seat side on the front window screen of the vehicle, a display unit C provided at the center position in the left-right direction of the installation panel, a display unit D provided at the left and right ends of the installation panel, and an assistant It has a display part F provided in front of the seat side and a display part G provided at the center position of the front end of the roof. Under the control of the display control means, more important information is displayed on the display part that is easier for the passenger to see. (For example, refer to Patent Document 1).
Japanese Patent Laid-Open No. 2002-225592 (page 2-13, full view)

  However, in the conventional vehicle display device, even if the degree of importance changes and the display position changes, it is not possible to know what information has moved to where, and the information that has been moved through each display There is a problem that it takes time to search.

  The present invention has been made by paying attention to the above-mentioned problems. The purpose of the present invention is to understand what information is displayed and where it is displayed by looking at the head-up display. An object of the present invention is to provide a display device for a vehicle that can shorten the time required for the above.

  In order to achieve the above object, according to the present invention, in a vehicle display device having a plurality of display means for transmitting a plurality of types of information, the order judgment means for judging the order of importance of display contents, and the order judgment means Importance holding means for storing the priority ranking before the current judgment, and display switching judgment means for comparing the importance ranking determined this time with the previous importance ranking to determine the necessity of display change A plurality of the display means is set in advance for ease of recognition, and based on the determination of the display switching determination means, the display content changing means for changing the display contents, and the importance ranking is determined to be low. Change destination display means for displaying on which part of the display means the display means that the display content changed to the lower recognition order is displayed on which display means is displayed. Characterized by

  Therefore, in the present invention, since what information is displayed and where can be seen by looking at the head-up display, it is easy for the driver to understand and the time for information confirmation can be shortened.

  Hereinafter, the embodiment for realizing the vehicle display device of the present invention corresponds to the first embodiment corresponding to the invention according to claims 1, 2, 3, and the invention according to claims 1, 2, 3, 4. This will be described based on Example 2.

First, the configuration will be described.
FIG. 1 is a diagram illustrating a block configuration of the vehicle display device according to the first embodiment.
The vehicle display device according to the first embodiment includes a control unit 1, a head-up display 2, a meter display 3, and a center display 4.
The control unit 1 receives the vehicle information 5 and the external information 6 and performs a control calculation described later to control display contents of the head-up display 2, the meter display 3, and the center display 4.

The display importance level determining unit 11 determines the display importance level based on the vehicle information 5 and the external information 6.
The display information importance level comparison / determination unit 12 compares the stored current importance level with the importance level newly determined by the display importance level determination unit 11 to determine the necessity of display change. .
The general display information importance holding unit 13 holds the importance ranking from the previous change to the present.
When it is determined that there is a need to change the display, the display switching unit 14 outputs a control command for changing the display contents of the head-up display 2, the meter display 3, and the center display 4 to change the display. If it is determined that there is no need, the control command for maintaining the current display is output.

The head-up display 2 displays a virtual image on a combiner or a front window shield part slightly below the driver's front view.
Further, the in-meter display icon display area 21 and the center display icon display area 22 are allocated to the head-up display 2.
The in-meter display 3 is a display display unit provided between the vehicle speed meter 31 of the vehicle meter and the engine tachometer 32.
The center display 4 is a display display unit provided in the center console portion.
In addition, the icon (equivalent to a 1st display and a 2nd display) displayed in Example 1 shall point out the figure, symbol, character, or these combination which shows the display part and display content.

Next, the operation will be described.
[Display switching process and switching destination display process according to importance]
FIG. 2 is a flowchart illustrating a flow of display switching processing and switching destination display processing executed by the control unit 1 of the vehicle display device according to the first embodiment.

  In step S1, it is determined whether or not there is an important display on the head-up display 2. If there is an important display, the process proceeds to step S2, and if there is no important display, the process proceeds to step S3.

  In step S2, the order of the current importance level and the previous importance level of the head-up display 2 is compared. If the current display content is high in importance, the process proceeds to step S3, and the display content maintained from the previous time is displayed. If the importance is high, the process proceeds to step S4.

  In step S <b> 3, the current display content is displayed on the head-up display 2.

  In step S4, it is determined whether or not there is an important display on the display 3 in the meter. If there is an important display, the process proceeds to step S5, and if there is no important display, the process proceeds to step S6.

  In step S5, the order of the current importance level and the previous importance level on the display 3 in the meter is compared. If the current display content is high in importance, the process proceeds to step S6, and the display content maintained from the previous time is displayed. If the importance is high, the process proceeds to step S8.

  In step S6, an icon is additionally displayed in the meter display icon display area in the head-up display 2.

  In step S7, the display contents of this time are displayed on the in-meter display 3.

  In step S8, it is determined whether or not there is a display on the center display 4. If there is a display, the process proceeds to step S9, and if there is no display, the process proceeds to step S10.

  In step S9, the current display on the center display 4 is changed to a reduced display.

  In step S10, an icon is additionally displayed in the center display icon display area in the head-up display 2.

  In step S <b> 11, the current display content is displayed on the center display 4.

[Display switching process and switching destination display process according to importance]
3-5 is explanatory drawing which shows the display state in the display apparatus for vehicles of Example 1. FIG.
In the vehicular display device according to the first embodiment, for example, it is assumed that a fuel remaining amount alarm is issued while displaying route guidance on the head-up display 2 (see FIG. 3) and displaying an alarm while driving on a highway.

  Then, since the route guidance displayed on the head-up display 2 is less important than the fuel remaining amount warning (step S2 → S4), the route guidance moves to the in-meter display 3 (step S7). The head-up display 2 displays a fuel remaining amount alarm, and an icon 211 indicating that there is information moved to the in-meter display 3 and an icon 212 of the moved information are displayed in the icon display area 21 for in-meter display. (See step S6, FIG. 4).

For this reason, the driver can easily recognize that the amount of fuel is very low by the fuel remaining amount alarm displayed largely on the head-up display 2.
In addition, the fact that the information that has been displayed so far has moved to the in-meter display 3 indicates that an icon 211 indicating the in-meter display 3 is displayed in the in-meter display icon display area 21 of the head-up display 2. Can be easily recognized. Further, the contents can be easily recognized by displaying an icon 212 that turns at the intersection next to the icon 211.

Further, when entering the speed limit section that requires special attention, when the speed is exceeded, or to alert the head-up display 2, a warning about speed and overspeed is displayed (step S 2 → S3, see FIG. 5 (a)).
Since the remaining fuel warning is less important, it moves to the in-meter display 3 (steps S4 to S7). The route guidance displayed on the in-meter display 3 moves to the center display 4 because the importance is further lowered (steps S8 → S10 → S11).

At this time, an icon 211 in the meter display icon display area 21 of the head-up display 2 and an icon 221 in the center display icon display area 22 are respectively displayed with route guidance and fuel remaining warning icons 213 and 222 ( (See FIG. 5).
As a result, the driver can easily recognize that the speed has become too fast due to the notice of excessive speed displayed largely on the head-up display 2.
Further, the fact that the information displayed on the head-up display 2 has moved to the in-meter display 3 indicates that an icon 211 indicating the in-meter display 3 is displayed in the in-meter display icon display area 21 of the head-up display 2. Can be easily recognized. Further, the contents can be easily recognized by displaying an icon 213 indicating refueling beside the icon 211.

  In addition, the fact that the information that has been displayed on the meter display 3 has moved to the center display 4 so far indicates that the icon 221 indicating the center display 4 is displayed in the center display icon display area 22 of the head-up display 2. Can be easily recognized. Furthermore, the contents can be easily recognized by displaying an icon 222 indicating route information beside the icon.

  After exiting the speed limit section that requires special attention, the display of the speed and overspeed warning is turned off, the fuel level warning in the meter display 3 is returned to the head up display 2, and the fuel level warning in the head up display 2 is displayed. The icon indicating the movement to the in-meter display 3 is also erased.

Next, the effect will be described.
In the vehicle display device according to the first embodiment, the effects listed below can be obtained.

  (1) In a vehicle display device having a head-up display 2, a meter display 3, and a center display 4 for transmitting a plurality of types of information, a display importance level determination unit 11 for determining the priority level of display contents; The general display information importance level holding unit 13 for storing the priority level before the current determination by the display importance level determination unit 11 is compared with the priority level determined this time and the previous priority level. The display information importance level comparison / determination unit 12 for determining the necessity of display change, the head-up display 2, the in-meter display 3, and the center display 4 are set in advance for ease of recognition, and the display information importance level comparison determination is performed. Based on the determination of the unit 12, the display switching unit 14 that changes the display content, and the table that has been determined that the importance ranking is low and has been changed to the lower recognition ranking It is provided with an icon display area 21 for in-meter display and an icon display area 22 for center display for displaying on which part of the head-up display 2 that the content is displayed most easily. The icons 211 and 221 are displayed by the control unit 1 so that it can be easily understood by the driver by looking at the head-up display to see what information is displayed and where the information confirmation time can be shortened. .

  (2) The control unit 1 that displays the change destination displays icons 212, 213, and 222 that indicate what contents are displayed along with icons 211 and 221 that indicate which display is displayed. This makes it easier to recognize where the information is displayed.

  (3) Since the display means with the highest recognizability is the head-up display 2, it is possible to perform a very easy-to-see display at a position very close to the front that the driver is looking for driving.

In the second embodiment, when the display moves, an arrow indicating the moved direction is displayed.
The configuration will be described.
FIG. 6 is an explanatory diagram illustrating a display state in the vehicle display device according to the second embodiment.
In the second embodiment, as shown in FIG. 6, the direction of the display position of the in-meter display 3 and the center display 4 in the in-meter display icon display area 21 and the center display icon display area 22 of the head up display 2, An arrow indicating the direction viewed from the head-up display 2 is displayed.
Since other configurations are the same as those of the first embodiment, description thereof is omitted.

The operation will be described.
[Switch destination display processing]
In the second embodiment, as shown in FIG. 6, for example, speed warning information is displayed on the head-up display 2, a fuel remaining amount warning is displayed on the meter display 3, and route guidance is displayed on the center display 4. Display based on degree ranking.
At this time, in the second embodiment, an arrow indicating the position of the in-meter display 3 in addition to the icons 211 and 221 in the in-meter display icon display area 21 and the center display icon display area 22 of the head-up display 2, respectively. 214 and 223 are displayed.
Therefore, the display destination of the changed display content is recognized from the shape and figure of the icons 211 and 221 and the approximate direction of the display position is displayed by the arrows 214 and 223. Because it can be recognized, it is recognized more intuitively in less time.

Explain the effect.
The vehicle display device according to the second embodiment has the following effects in addition to the effects (1) to (3).
(4) The control unit 1 that displays the change destination displays the arrows 214 and 223 that indicate which direction the display is displayed, so what information is displayed and where the head-up display is displayed. If you look at it, you can understand it more intuitively, and it will be easier for the driver to understand.
Other functions and effects are the same as those of the first embodiment, and thus description thereof is omitted.

  As mentioned above, although the display apparatus for vehicles of the present invention has been described based on the first and second embodiments, the specific configuration is not limited to these embodiments, and each claim of the claims Design changes and additions are permitted without departing from the spirit of the invention.

For example, even when moving to another display device, the same display may be performed, and icons of a plurality of display devices may be displayed.
In addition, a plurality of icons indicating the type of information that has been moved may be displayed with respect to the icon of each display device that has been moved.

It is a figure which shows the block configuration of the display apparatus for vehicles of Example 1. FIG. It is a flowchart which shows the flow of the display switching process and switching destination display process which are performed by the control part 1 of the display apparatus for vehicles of Example 1. FIG. It is explanatory drawing which shows the display state in the display apparatus for vehicles of Example 1. FIG. It is explanatory drawing which shows the display state in the display apparatus for vehicles of Example 1. FIG. It is explanatory drawing which shows the display state in the display apparatus for vehicles of Example 1. FIG. It is explanatory drawing which shows the display state in the display apparatus for vehicles of Example 2. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Control part 11 Display importance ranking determination part 12 Display information importance comparison judgment part 13 General display information importance holding part 14 Display switching part 2 Head-up display 21 Icon display area for meter display 22 Icon display area for center display 3 In-meter display 4 Center display 5 Vehicle information 6 External information 31 Vehicle speed meter 32 Engine tachometer 211 Icon 212 Icon 213 Icon 214 Arrow 221 Icon 222 Icon 223 Arrow

Claims (4)

In a vehicle display device having a plurality of display means for transmitting a plurality of types of information,
A ranking judgment means for judging the ranking of the importance of the displayed content;
Importance holding means for storing the rank of importance before the current judgment by the rank judging means;
A display switching determination means for comparing the importance ranking determined this time with the previous importance ranking to determine the necessity of display change,
A display content changing unit that sets a ranking in advance for ease of recognition of the plurality of display units, and changes display content based on the determination of the display switching determination unit;
Change that displays on which part of the display means that is most easily recognizable which display means the display content that has been determined to have a lower importance rank and has been changed to a lower recognizability rank A prior display means;
A vehicle display device comprising: The vehicle display device according to claim 1,
The change destination display means includes
Displaying a second display indicating what is displayed together with a first display indicating which display means is displayed;
A display device for a vehicle. The vehicle display device according to claim 1 or 2,
The most easily recognizable display means is a head-up display.
A display device for a vehicle. In the vehicle display device according to any one of claims 1 to 3,
The change destination display means includes
An arrow indicating which approximate direction is displayed on the display means is displayed.
A display device for a vehicle.

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