JP4650349B2 - Vehicle display system - Google Patents

Vehicle display system Download PDF

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JP4650349B2
JP4650349B2 JP2006158949A JP2006158949A JP4650349B2 JP 4650349 B2 JP4650349 B2 JP 4650349B2 JP 2006158949 A JP2006158949 A JP 2006158949A JP 2006158949 A JP2006158949 A JP 2006158949A JP 4650349 B2 JP4650349 B2 JP 4650349B2
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display
line
sight direction
vehicle speed
information
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JP2007145310A (en
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康雄 中嶋
正和 伊藤
誠 大江
庸貴 田内
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株式会社デンソー
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Description

  The present invention relates to a vehicle display system, and more particularly to a vehicle display system having a plurality of display areas.

  As a display device mounted on a vehicle, a meter display for displaying meters, a navigation display for displaying information necessary for route guidance such as a road map, and the like are known. The meter display is disposed in front of the driver's seat, and the navigation display is generally disposed between the driver's seat and the passenger seat on the dashboard. Information displayed on the navigation display includes emergency road traffic information and facility information in addition to the road map. Moreover, what displays other various information, such as information regarding vehicle abnormality as well as meters, is also known as a meter display. In addition, it is also known that emergency road traffic information is displayed on a meter display instead of a navigation display.

  Furthermore, as a display device, a head-up display that displays a virtual image on a part of the windshield in front of the driver's seat and displays various information, and information can be displayed on most of the windshield, so that it overlaps the actual road A windshield display used for displaying a guide line is also known.

  When various information is displayed on the plurality of display devices, it may be difficult to quickly recognize each information. Therefore, in Patent Document 1, information that has a large amount of information such as road map information but is less urgent is displayed on an entertainment display that is positioned between the driver's seat and the passenger seat on the dashboard and relatively below. Thus, information with a small amount of information such as route guidance information, urgent road traffic information, and obstacle contact warning, but with high urgency is displayed on a driving display disposed obliquely above the driver seat direction of the entertainment display.

The arrangement position of the driving display is an arrangement position close to the line-of-sight direction when the driver is looking at the front road direction, and the driver is often looking at the front road direction. Therefore, by displaying highly urgent information on the driving display, the driver can quickly recognize that the urgent information is displayed.
JP 2000-168400 A

  Even if information of high urgency is displayed on a display close to the line of sight when the driver is looking at the front road among a plurality of displays as in Patent Document 1, the driver always displays the front road direction. Since it is not always seen, in some cases, it may be delayed to recognize highly urgent information.

  Even if the driver's line-of-sight direction is the front road direction, the driving display does not enter the field of view even if the driver's line-of-sight direction is the front road direction, such as when the driver's line-of-sight direction is relatively upward. Is also possible. Also in this case, there is a risk that recognition of highly urgent information may be delayed. Even if the driving display is in the field of view, if it is a peripheral part in the field of view, the display on the driving display may not be noticed or it may be delayed.

  The present invention has been made based on this situation, and an object of the present invention is to provide a vehicle display system that allows a driver to more quickly recognize important information such as highly urgent information. It is in.

Predetermined invention of claim 1, wherein in order to achieve the purpose, in which the display having at least two display areas, and the line-of-sight direction detecting means for detecting the viewing direction of the driver, the vehicle speed, it is necessary to look forward Vehicle speed determination means for determining whether or not the vehicle speed is equal to or higher than the minimum vehicle speed. If the vehicle speed determination means does not determine that the vehicle speed is equal to or higher than the minimum vehicle speed, preset important information is while displaying closest display area gaze direction detected by the direction detecting means, when the vehicle speed is determined to be the lowest speed than by its speed determining means, line-of-sight direction detected by said visual line detection means table vehicle, wherein regardless the viewing direction of the driver's display the important information closest display area on the viewing direction when to be on the road ahead in It is a system.

According to the first aspect of the present invention, the gaze direction of the driver is detected by the gaze direction detection means, and the important information is displayed in the display area closest to the detected gaze direction. Regardless, the driver can quickly recognize important information.
In this way, when the vehicle speed is equal to or higher than the minimum vehicle speed, important information is displayed in the display area in the line-of-sight direction when you happen to temporarily look in a direction that is not the forward road direction. By doing so, it is possible to prevent inconvenience that returning the line of sight toward the road ahead is delayed.

According to the second aspect of the present invention, since the advance notification message is output, the driver can know that important information is displayed in the front display area. Therefore, it is possible to suppress delay in recognition of important information.

Here, the plurality of display areas may be formed by providing a plurality of displays as described in claim 3 , or a single display having a plurality of display areas may be used. Also good. A plurality of displays having a plurality of display areas may be provided.

According to another aspect of the present invention, a display area for displaying important information based on the line-of-sight direction detected by the line-of-sight direction detection unit when the vehicle speed determination unit does not determine that the vehicle speed is equal to or higher than the minimum vehicle speed. in case of determining, when a display region that is determined based on the line-of-sight direction detected by said visual line detection means having the above predetermined area, as claimed in claim 4, wherein said eye direction detected in the display region It is preferable to display the important information at a location closest to the line-of-sight direction detected by the means. In this way, the driver can recognize important information more quickly.

As the output device, the display can be used as in the fifth aspect . In this case, there is an advantage that it is not necessary to provide an output device separately. Further, as described in claim 6 , a speaker may be provided as an output device. In this case, the prior notification message can be promptly recognized by the driver regardless of the driver's line-of-sight direction.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a vehicle display system 10 of the present invention.

  In FIG. 1, the internal information processing apparatus 12 generates a display screen representing information inside the vehicle that should be notified to the driver by processing information from other devices and sensors provided in the vehicle. The information inside the vehicle includes, for example, vehicle failure, travel speed, fuel remaining amount, road map information, and the like. Then, the generated display screen data is output to the control unit 14 together with the display information request signal.

  The external information receiving device 16 is a wireless receiving device that receives information transmitted from the outside of the vehicle. For example, the external information receiving device 16 receives a VICS (Vehicle Information and Communication System) (registration) via a beacon laid on a road or FM broadcasting stations in various places. A VICS receiver that receives various types of information provided from a (trademark) center, an Internet communication device that connects to the Internet network via a public telephone line, and the like. By this external information receiving device 16, for example, traffic information such as traffic jam information, accident information, and regulation information, incoming mail information, weather information, date information, facility information such as tourist attractions around the vehicle, Advertisement information such as sales information is received.

  Based on the information received by the external information receiving device 16, the external information processing device 18 generates a display screen representing information outside the vehicle that should be notified to the driver. Then, the display screen data is output to the control unit 14 together with the display information request signal.

  In the present embodiment, the display 30 includes four displays: a navigation device display 30a, a meter unit display 30b, a head-up display 30c, and a windshield display 30d.

  FIG. 2 is a diagram showing the arrangement positions of the four displays 30. The navigation device display 30 a is located at an intermediate position between the driver seat and the passenger seat of the dashboard and below the wind outlet 32.

  The meter unit display 30b is arranged at a position adjacent to meters such as the speedometer 34 on the instrument panel. The head-up display 30c includes a display unit (not shown), and displays various information on the display area at the lower end of the windshield and in the substantially center in the width direction. The windshield display 30d can display various information on substantially the entire surface of the windshield. For example, a guidance route image is displayed so as to be superimposed on an actual road.

  Returning to FIG. 1, the gaze direction detection device 20 that functions as a gaze direction detection means includes a vehicle interior camera 28 (see FIG. 2) attached to the rearview mirror. The in-vehicle camera 28 is also a camera for detecting the driver's gaze, and the gaze direction detecting device 20 detects the driver's gaze direction by analyzing an image of the driver's eyes taken by the in-vehicle camera 28. To do. As a method for detecting the eye direction from the eye image, for example, as in the eye recognition device disclosed in Japanese Patent Application Laid-Open No. 8-238222, the eye direction is detected from position information of the corneal curvature center and the pupil center. There is a way to do it.

  The display position determination device 22 determines the important information by determining which of the plurality of display determination regions 36a to 36d is set in advance as the driver's gaze direction detected by the gaze direction detection device 20. Is determined. The display determination areas 36a to 36d are shown in FIG. The display determination regions 36a, 36b, and 36c are predetermined elliptical ranges that are substantially centered on the navigation device display 30a, the meter unit display 30b, and the head-up display 30c, respectively. The display determination regions 36a, 36b , 36c are set so as not to overlap each other. In addition, the display determination area 36d is set so as to be adjacent to the upper end of the windshield and the right end in FIG. 2 and not overlap with the other display determination areas 36a to 36c in the area about half of the windshield on the driver's seat side. It is an elliptical region.

  When the driver's line-of-sight direction is in any of the display determination areas 36a to 36d, the displays 30a to 30d corresponding to the display determination areas 36a to 36d are determined as the display 30 on which important information is to be displayed. To do. On the other hand, when the driver's line-of-sight direction is not included in any of the display determination regions 36a to 36d, the display 30 set in advance based on the type of information is determined as the display 30 on which important information is to be displayed. To do.

  The vehicle speed determination unit 24 functions as vehicle speed determination means, and sequentially detects the vehicle speed V according to a signal from a vehicle speed sensor (not shown), and determines whether the detected vehicle speed V is equal to or higher than a preset minimum vehicle speed VL. to decide. This minimum vehicle speed VL is the minimum value of the speed at which the front must be watched, and is set to about several km / h.

  When the display screen data is supplied from the internal information processing device 12 or the external information processing device 18, the control unit 14 determines whether the display screen is important information, the determination result in the display position determination device 22, Based on the determination result in the vehicle speed determination unit 24, the display 30 that displays the display screen is determined, and an instruction signal that indicates on which of the four displays 30 the display screen is to be displayed is displayed together with the display screen data. Output to the switching device 26.

  The display position switching device 26 switches the display 30 that displays the display screen based on the instruction signal supplied from the control unit 14, and outputs the display screen data to the switched display 30.

  FIG. 3 is a flowchart showing the processing of the vehicle display system 10. In FIG. 3, steps S10 to S50, S70, and S80 are processing in the control unit 14, and step S60 is processing in the display position determination device 22 and the line-of-sight direction detection device 20.

  In step S10, it is determined whether or not a display information request has been made, that is, whether or not a display information request signal has been input from the internal information processing apparatus 12 or the external information processing apparatus 18. If this determination is negative, the determination in step S10 is repeated.

  On the other hand, if the determination in step S10 is affirmed, it is determined whether or not the content of the display screen data input together with the display information request signal is content belonging to preset important information. If it is not important information, a negative determination is made in step S20, and in step S30, an initial setting position preset based on the contents of the display screen is determined as the display position of the display screen data. In this initial setting position, the display 30 (any one of the four displays 30a to 30d) that displays the display screen and the display position in the display 30 are specified.

  If step S20 is affirmative, step S40 is executed. In step S40, it is determined whether or not the vehicle speed determination unit 24 determines that the vehicle speed V is equal to or higher than the minimum vehicle speed VL. If the determination in step S40 is affirmative, in step S50, the display destination of the important information is determined to the head-up display 30c.

  If the determination in step S40 is negative, the display position determination device 22 is caused to execute the display position determination process in step S60. This display position determination process is shown in FIG. When the display position determination device 22 receives a signal instructing execution of the display position determination processing from the control unit 14, the display position determination device 22 causes the line-of-sight direction detection device 20 to execute the processes shown in steps S61 to S62.

  In step S61, the driver is photographed by the vehicle interior camera 28, and the image (driver image) is acquired. In step S62, the acquired driver image is analyzed to detect the driver's line-of-sight direction. The driver's line-of-sight direction detected here is input to the display position determination device 22.

  Step S63 is a process executed by the display position determination device 22 after the driver's line-of-sight direction is input. In which position important information is displayed, that is, the important information is displayed among the four displays 30a to 30d. Decide which to display. For this purpose, first, the display 30 closest to the line-of-sight direction detected in step S62 is determined. This determination is performed by comparing the display determination areas 36a to 36d set corresponding to the four displays 30a to 30d with the driver's line-of-sight direction detected in step S62. When the driver's line-of-sight direction is included in any of the display determination areas 36a to 36d, the displays 30a to 30d corresponding to the display determination areas 36a to 36d are determined as the display closest to the driver's line-of-sight direction. To do. On the other hand, when the driver's line-of-sight direction is not included in any of the display determination regions 36a to 36d, the display position is determined as the initial setting position.

  Returning to FIG. 3, in step S70, the display position determined in any of step S30, step S50 and step S60 (that is, one of the four displays 30a to 30d) is input together with the display information request signal. In order to display the displayed screen data, an instruction signal is output to the display position switching device 26. Thereby, the display object apparatus which displays a display screen is switched.

  Further, in the subsequent step S80, display screen data is transmitted to the display position switching device 26. The display position switching device 26 outputs the transmitted display screen data to the display 30 serving as a display target device. When step S80 is executed, as shown in step S90, notification information to be notified to the driver is displayed on the display 30 that is the display target.

  Next, the process shown in FIG. 3 will be described by applying a specific example. For example, when information from the VICS center or the like is received by the external information receiving device 16, a display information request for displaying the information is input to the control unit 14, so that an affirmative determination is made in step S10.

  If the information is not important information, the display position of the information is the initial setting position (step S30). If the information is important information, the vehicle speed V is determined and the vehicle speed V is lower than the minimum vehicle speed VL. In this case, the display 30 that displays information is determined based on the driver's line-of-sight direction (step S60). For example, when the driver is looking at the navigation device display 30a at that time, the information display destination is determined to be the navigation device display 30a, and the driver is looking relatively far on the road ahead. The information display destination is determined to be the windshield display 30d. However, even if the driver looks at the navigation display 30a, if the vehicle speed V is equal to or higher than the minimum vehicle speed VL, the information display destination is determined to be the head-up display 30c (step S50).

  As described above, according to the present embodiment described above, the driver's line-of-sight direction is detected, and the important information is displayed on the display 30 closest to the detected line-of-sight direction. Will be able to quickly recognize important information.

  Further, according to the present embodiment, when the vehicle speed V is equal to or higher than the minimum vehicle speed VL, the display 30 that displays important information is the head-up display 30c regardless of the driver's line-of-sight direction. When V is equal to or higher than the minimum vehicle speed VL, when the navigation device display 30a is temporarily viewed, important information is displayed on the navigation device display 30a. It is possible to prevent the inconvenience of delaying the return.

  Next, a second embodiment of the present invention will be described. In the following description, parts having the same configurations as those of the above-described embodiment are denoted by the same reference numerals and description thereof is omitted.

  FIG. 5 is a block diagram illustrating a configuration of the vehicle display system 100 according to the second embodiment. The vehicle display system 100 shown in FIG. 5 includes a line-of-sight direction storage unit 102 and a line-of-sight direction frequency determination unit 104 corresponding to a storage unit as a configuration different from that of the first embodiment. Also in the second embodiment, as in the first embodiment, the displays 30a to 30d each form one display area.

  The line-of-sight storage unit 102 determines to which of the plurality of preset line-of-sight directions the line-of-sight direction detected by the line-of-sight direction detection device 20 belongs, and accumulates the determination result.

  The table shown in FIG. 6 is a table showing the accumulated contents accumulated in the line-of-sight direction storage unit 102. In FIG. 6, the number of detection times is the number of times that the gaze direction detection device 20 detects the driver's gaze direction. As can be seen from the detection time indicated in the right column of the detection times, in the example shown in FIG. 6, the line-of-sight direction is detected at a constant cycle of 2 seconds. However, detection of the line-of-sight direction is interrupted during a period in which important information is displayed. This is because it is highly possible that the driver's line of sight is facing the display 30 displaying the important information during the period in which the important information is displayed. This is because there is a high possibility that the most frequent line-of-sight direction display will not be the display where the driver's line of sight is most commonly directed in a normal state.

  In the example shown in FIG. 6, the line-of-sight area includes the navigation device display 30a, the meter display 30b, the head-up display 30c, the first to fourth areas of the windshield display 30d, the room mirror, the right side mirror, and the left It is divided into side mirrors and others. The line-of-sight direction in which a circle is detected is shown. In addition, after the accumulation number becomes equal to or greater than the predetermined number, every time one latest gaze direction is accumulated, one oldest gaze direction is deleted.

  FIG. 7 is a diagram showing first to fourth areas of the windshield display 30d included in the line-of-sight direction area of FIG. As shown in FIG. 7, the first to fourth regions 30d1, 30d2, 30d3, and 30d4 are four regions formed by dividing the windshield display 30d into two equal parts in the left-right direction and the up-down direction.

  Returning to FIG. 5, the line-of-sight direction frequency determination unit 104 determines the most frequent line-of-sight direction with the highest frequency based on the past driver's line-of-sight direction accumulated in the line-of-sight direction storage unit 102. Also, a predetermined number (two in this case) of second gaze directions having the highest frequency next to the most frequent gaze direction is also determined. When determining the second line-of-sight direction, if two line-of-sight directions have the second highest frequency, the two line-of-sight directions are determined as the second line-of-sight direction. If there is one line-of-sight direction with the second highest frequency, the line-of-sight direction with the second highest frequency and the line-of-sight direction with the third highest frequency are determined as the second line-of-sight directions. If the frequencies are exactly the same, the second line-of-sight direction may be determined exceeding the predetermined number. Note that the frequency may be determined based on the gaze direction of all detection times stored in the gaze direction storage unit 102, but is determined based on the gaze direction detected within the latest predetermined time, such as the last 10 minutes. It is preferable to do. This is because the most frequent line-of-sight direction may change depending on the width of the road on which the vehicle is traveling, the environment around the road (whether it is a residential area, etc.), the traveling time zone, or the like.

  When the display screen data is supplied from the internal information processing device 12 or the external information processing device 18, the control unit 14 in the second embodiment determines whether the display screen is important information and a gaze direction frequency determination unit. Based on the most frequent or second line-of-sight direction determined in 104 and the determination result in the vehicle speed determination unit 24, the display 30 that displays the display screen is determined.

  FIG. 8 is a flowchart showing the processing contents of the vehicle display system 100 of the second embodiment executed by the control unit 14 and the like. In FIG. 8, steps S100 to S120 are the same processes as steps S10 to S30 of FIG.

  If the determination in step S110 is affirmative, that is, if it is determined that the contents of the display screen data input to the control unit 14 belong to preset important information, the display position determination in step S130 is performed. Execute the process. This display position determination process is the process shown in FIG.

  In FIG. 9, first, in step S131, the gaze direction frequency determination unit 104 calculates the gaze direction frequency for each gaze direction region, and obtains the calculation result.

  In the subsequent step S132, the most frequent line-of-sight direction display (that is, the most frequent line-of-sight direction area) is determined based on the calculation result acquired in step S131. In step S133, the second line-of-sight direction display is determined based on the calculation result acquired in step S131. When the content stored in the line-of-sight direction storage unit 102 is as in the example of FIG. 6, the most frequent line-of-sight direction is the second region 30d2 of the windshield display 30d. It becomes.

  In addition, since the second most frequent gaze direction area is the navigation device display 30a, one of the second gaze direction displays is the navigation device display 30a. The third most frequent line-of-sight region is the four regions of the meter unit display 30b, the third region 30d3 of the windshield display 30d, the room mirror, and the right side mirror. Of these four regions, the display region is the display region. There is a third area 30d3 of the meter unit display 30b and the windshield display 30d. Further, the windshield display 30d is determined as the most frequent line-of-sight direction display. Therefore, the meter unit display 30b becomes another second visual line direction display.

  Returning to FIG. 8, step S140 is the same process as step 40 of FIG. 3, and it is determined whether or not the vehicle speed determination unit 24 determines that the vehicle speed V is equal to or higher than the minimum vehicle speed VL.

  If the determination in step S140 is negative, the process proceeds to step S150, where the display destination of the important information is determined as the most frequent line-of-sight direction display determined in step S130, and the display destination of the notification with important information is determined in step S130. The second line-of-sight direction display is determined. FIG. 10A shows an example of the important information display screen, and FIG. 10B shows an example of the important information presence notification display screen. In the example of FIG. 6, the most frequent line-of-sight direction display is the windshield display 30d. However, the windshield display 30d has a wide display area, and the display area includes a plurality of line-of-sight direction areas. In this case, the display position is determined in more detail in the second region 30d2 of the windshield display 30d.

  If the determination in step S140 is affirmative, in step S150, the important information display destination is determined to be the head-up display 30c, and the important information presence notification display destination is determined to the most frequent line-of-sight direction display determined in step S130. decide.

  Steps S170 to S190 are the same processing as steps S70 to S90 in FIG. 3, and when the storage content of the line-of-sight direction storage unit 102 is as in the example of FIG. 6, step S190 is performed via step S150. When executed, the screen illustrated in FIG. 10 (A) is displayed in the second display area 30d2 of the windshield display 30d, and the navigation device display 30a and the meter unit display 30b are illustrated in FIG. 10 (B). A screen is displayed. The screens displayed on the displays 30a and 30b are deleted after a predetermined time has elapsed.

  As described above, according to the second embodiment described above, based on the driver's line-of-sight direction accumulated in the line-of-sight direction storage unit 102, the most frequent line-of-sight direction display with the highest frequency of the driver's line of sight is determined. Since the important information is displayed on the most frequent line-of-sight direction display, the driver can quickly recognize the important information. In particular, in the case of the first embodiment described above, when the line-of-sight direction is detected by the line-of-sight direction detection device 20, the direction is rarely seen, and when important information is displayed, it is already detected. If the driver is not looking at the direction of the line of sight, the driver may be relatively delayed in recognizing important information. On the other hand, according to the second embodiment, since the important information is displayed on the most frequent gaze direction display with the highest frequency of the driver's gaze, recognition of the important information is hardly delayed. Become.

  Further, in the second embodiment, when important information is displayed on the most frequent line-of-sight direction display, a notice of presence of important information is displayed on the second line-of-sight direction display. Therefore, even when the driver's line-of-sight direction is not easily directed to the most frequent line-of-sight direction display, when the driver looks at the second line-of-sight direction display, it is important to be displayed on the second line-of-sight direction display. It can be known from the notification that there is information that important information is displayed on another display. Moreover, since the second line-of-sight display is a display in which the driver's line of sight is next to the most frequent line-of-sight display, the possibility that the driver will see the display soon is relatively high. Therefore, the driver can recognize important information more quickly.

  Further, in the second embodiment, when the windshield display 30d having a wide display area is determined as the most frequent line-of-sight display that displays important information, the windshield display 30d has the most frequent line-of-sight direction area. Important information is displayed in the corresponding location. As a result, the driver can recognize important information more quickly.

  Next, a third embodiment of the present invention will be described. The mechanical configuration of the vehicle display system of the third embodiment is the same as that of the first embodiment. That is, the system of the third embodiment also has the configuration shown in FIG. 1, and the difference between the first embodiment and the third embodiment is only the control content.

  FIG. 11 is a flowchart illustrating the process of the vehicle display system according to the third embodiment. The process shown in FIG. 11 differs from FIG. 3 only in that step S35 corresponding to the prior notification means is provided between step S20 and step S40.

  That is, in the third embodiment, if the content of the display screen data input together with the display information request signal is content belonging to preset important information, and step S20 is affirmative, the process proceeds to step S35. move on. In step S35, for example, a prior notification message that indicates that important information will be displayed next is output from all the displays 30 and speakers (not shown), such as “I will display important information from now on”. Thereafter, the process proceeds to step S40.

  Since the processes after step S40 are the same as those in the first embodiment, step S60 is executed when the vehicle speed V is lower than the minimum vehicle speed VL. As described above, in step S60, the driver's line-of-sight direction is detected to determine the display 30 on which important information is displayed. Therefore, in the third embodiment, when displaying important information, if the vehicle speed V is lower than the minimum vehicle speed VL, after displaying the advance notification message, confirm where the driver's line of sight is. The display 30 that displays the important information is determined.

  According to the third embodiment, since the advance notification message is output from all the displays 30 and the speakers, the driver can know that important information will be displayed next, so attention is paid to the display. It will be. Therefore, important information can be recognized more quickly.

  As mentioned above, although embodiment of this invention was described, this invention is not limited to the above-mentioned embodiment, The following embodiment is also contained in the technical scope of this invention, and also the summary other than the following is also included. Various modifications can be made without departing from the scope.

  For example, in the first and third embodiments described above, the display destination of the important information when the vehicle speed V is equal to or higher than the minimum vehicle speed VL is set to the head-up display 30c, but is set to the windshield display 30d. May be.

  Also in the first and third embodiments, when important information is displayed on the windshield display 30d, as in the second embodiment, it is important in the area near the driver's line of sight in the windshield display 30d. Information may be displayed.

  Further, in the second embodiment, the case where there is one second gaze direction display for displaying the notice of presence of important information has been described as an example, but there are two (or more) second gaze direction displays. In such a case, the important information presence notification may be displayed in the same manner on all the second visual line direction displays, but the display with the higher visual line direction frequency may be emphasized and the important information presence notification may be displayed.

  Moreover, in 3rd Embodiment, although all the displays 30 and the speaker were used as an output device which outputs a prior alert message, only some or all the displays 30 or only some displays 30 and a speaker, Alternatively, only a speaker may be used as the output device. In addition, when using some displays 30, it can be determined which display 30 is used based on the line-of-sight direction frequency.

It is a block diagram which shows the structure of the display system 10 for vehicles of this invention. It is a figure which shows the arrangement position of the four displays 30 of FIG. It is a figure which shows the process of the display system for vehicles 10 as a flowchart. It is a flowchart which shows the display position judgment process (S60) of FIG. 3 in detail. It is a block diagram which shows the structure of the display system for vehicles 100 of 2nd Embodiment. It is a table | surface which shows the accumulation | storage content accumulate | stored in the gaze direction memory | storage part 102 of FIG. It is a figure which shows the 1st thru | or 4th area | region of the windshield display 30d included in the gaze direction area | region of FIG. It is a flowchart which shows the processing content of the display system 100 for vehicles of 2nd Embodiment. It is a flowchart which shows in detail the display position determination process performed by step S130 of FIG. (A) is an example of a display screen for important information, and (B) is an example of a display screen for notification of presence of important information. It is a figure which shows the process of the display system for vehicles in 3rd Embodiment as a flowchart.

Explanation of symbols

10: Display system for vehicle 20: Gaze direction detection device (gaze direction detection means)
24: Vehicle speed judging section (vehicle speed judging means)
30a: Navigation device display 30b: Meter unit display 30c: Head-up display 30d: Windshield display 100: Vehicle display system 102: Gaze direction storage unit (storage means)
S35: Prior notification means

Claims (6)

  1. A display having at least two display areas;
    Gaze direction detecting means for detecting the gaze direction of the driver ;
    Vehicle speed determining means for determining whether or not the vehicle speed is equal to or higher than a predetermined minimum vehicle speed that needs to be watched forward ;
    When the vehicle speed is not determined by the vehicle speed determination means to be equal to or higher than the minimum vehicle speed, the preset important information is displayed in the display area closest to the line-of-sight direction detected by the line-of-sight direction detection means ,
    When the vehicle speed determining means determines that the vehicle speed is equal to or higher than the minimum vehicle speed, the driver's line-of-sight direction is on the road ahead, regardless of the line-of-sight direction detected by the line-of-sight direction detecting means. The vehicle display system , wherein the important information is displayed in a display area closest to the line-of-sight direction .
  2. When it is determined by the vehicle speed determining means that the important information needs to be displayed, a prior notification message is output from a predetermined output device and then detected by the line-of-sight direction detecting means. 2. The vehicle according to claim 1, wherein the important information is displayed in a display area closest to the line-of-sight direction when the line-of-sight direction of the driver is on the road ahead regardless of the line-of-sight direction. Display system.
  3. The vehicle display system according to claim 1, wherein a plurality of the display areas are formed by providing a plurality of displays.
  4. When the vehicle speed is not determined by the vehicle speed determination means to be equal to or higher than the minimum vehicle speed, and the display area determined based on the line-of-sight direction detected by the line-of-sight direction detection means has a predetermined area or more, 4. The vehicle display system according to claim 1, wherein the important information is displayed at a location closest to the line-of-sight direction detected by the line-of-sight direction detection means in the display area. 5.
  5. The vehicle display system according to claim 2, wherein the output device is the display.
  6. The vehicle display system according to claim 2, wherein a speaker is provided as the output device.
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