JP2012086691A - Display device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device for a vehicle that displays necessary and sufficient information in an easily viewable manner in response to the traveling state of the vehicle.SOLUTION: The display device for a vehicle includes: a control circuit unit 4 for generating drawing control information of a display image in a display unit 7 displaying information on the host vehicle based on the information on the host vehicle (for instance, vehicle speed, shift lever position) that is acquired by an information acquiring unit 1, and also when changing the display image, generating drawing control information that gradually changes a predetermined range of the display image while making the display image correspond to the information on the host vehicle; a graphics drawing unit 6 for drawing a vector graphics based on the drawing control information generated by the control circuit unit 4; and a drawing data memory unit 5 for storing vector data constituting the vector graphics.

Description

  The present invention relates to a vehicle display device that displays a vehicle instrument or the like.

  In recent years, a technology has been proposed to display information about the vehicle on a display panel such as a liquid crystal display, such as the vehicle running speed, engine speed, cooling water temperature, and fuel remaining, as well as various alarm displays and images outside the vehicle. ing. The display of information by the display panel has a higher degree of freedom in design than information presentation by a conventional mechanical analog meter or display lamp, and information appropriately selected from a plurality of types of information can be displayed. In Patent Document 1, in addition to the standard meter layout displayed on the display panel, an arbitrary layout created by the user is stored in the screen memory, and the desired layout is displayed by the operation of the screen selection means by the user. A vehicle information display device is disclosed.

JP 2001-121989

  However, in the technique disclosed in Patent Document 1 described above, when the display screen is switched from the standard layout screen to the arbitrary layout screen, the images before and after switching do not have continuity. There was a problem that it was difficult to understand where the meters were displayed.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a vehicle display device that displays vehicle information in an easy-to-read manner according to the traveling state of the vehicle.

  A display device for a vehicle according to the present invention displays on a display unit a display unit that displays information about the host vehicle, an information acquisition unit that acquires information about the host vehicle, and information about the host vehicle acquired by the information acquisition unit. A control circuit unit that generates drawing control information for a display image, and that generates drawing control information that gradually changes within a predetermined range in accordance with information related to the host vehicle when the display image is changed, and a control circuit unit The image processing apparatus includes a drawing unit that draws vector graphics based on the drawn drawing control information and displays a display image on a display unit, and a drawing data memory unit that stores vector data constituting the vector graphics.

  According to the present invention, the drawing control information for the display image is generated based on the information related to the own vehicle, and when the display image is changed, the drawing control information is gradually changed in a predetermined range corresponding to the information related to the own vehicle. Is generated, vector graphics is drawn based on the drawing control information, and the display image is displayed, so that information according to the running state of the vehicle can be displayed in a display method that is easy for the user to visually recognize. it can.

1 is a block diagram illustrating a configuration of a vehicle display device according to Embodiment 1. FIG. 3 is a flowchart showing the operation of the vehicle display device according to the first embodiment. It is a figure which shows the example of a display of the display apparatus for vehicles by Embodiment 1 (a shift lever is located in neutral or parking). It is a figure which shows the example of a display (the shift lever is a forward position) of the display apparatus for vehicles by Embodiment 1. FIG. It is a figure which shows the example of a display (at the time of vehicle acceleration) of the display apparatus for vehicles by Embodiment 1. FIG. It is a figure which shows the example of a display of the display apparatus for vehicles by Embodiment 1 (a shift lever is a position to back). It is a figure which shows the other example of a display of the display apparatus for vehicles by Embodiment 1. FIG.

Embodiment 1 FIG.
1 is a block diagram showing a configuration of a vehicle display device according to Embodiment 1 of the present invention. In FIG. 1, a vehicle display device 10 includes an information acquisition unit 1, a video acquisition unit 2, a data interface unit 3, a control circuit unit 4, a drawing data memory unit 5, a graphics drawing unit (drawing unit) 6, and a display unit. 7.
The information acquisition unit 1 detects a vehicle speed sensor 1a that detects a vehicle speed, and a shift that detects where a shift lever (not shown) is located in N (neutral), P (parking), D (forward), or R (reverse). Information on travel of the vehicle, such as a lever position sensor 1b, a rotation sensor 1c for detecting the rotational speed of the engine, a temperature sensor 1d for detecting the temperature of the cooling water, a fuel sensor 1e for detecting the remaining amount of fuel, and a car navigation system 1f It consists of a plurality of sensors that acquire In addition, a vehicle equipped with an automatic transmission that can select a fully automatic transmission mode and a semi-automatic transmission mode may be configured to include a transmission mode sensor 1g that detects selection of the transmission mode of the automatic transmission.

  The video acquisition unit 2 includes a plurality of external cameras. For example, an external camera F2a that acquires an image immediately before the vehicle, an external camera R2b that acquires an image behind the vehicle, an external camera SL2c that acquires an image on the left side of the vehicle, a vehicle It is composed of an out-of-vehicle camera SR2d that acquires a right image. The data interface unit 3 outputs the vehicle information acquired by the information acquisition unit 1 and the video data acquired by the video acquisition unit 2 to the control circuit unit 4.

  The control circuit unit 4 refers to the vehicle information input via the data interface unit 3, selects a display image to be displayed on the display unit 7 according to the vehicle situation, and displays the display position and the drawing size of the display image. Control information is generated and output to the graphics drawing unit 6. When the display image is shifted according to the vehicle situation, drawing control information that is gradually changed within a predetermined range is generated so that it can be visually recognized that the display image before and after the transition is continuously shifted. The range of the change can be set as appropriate as long as the display image can be visually recognized as being continuously shifted. The control circuit unit 4 outputs the video data acquired via the data interface unit 3 to the graphics drawing unit 6 when generating the drawing control information for displaying the video outside the vehicle acquired by the video acquisition unit 2. .

  The control circuit unit 4 stores in advance the display position and drawing size of each meter according to the vehicle information, and generates drawing control information based on these information. Therefore, it is possible to display various images without storing drawing data corresponding to a large number of drawing sizes in the drawing data memory unit 5 described later. Furthermore, the control circuit unit 4 includes an elapsed time measuring unit 4a that measures an elapsed time after obtaining the vehicle information. The drawing control information based on the elapsed time measured by the elapsed time measuring unit 4a is generated according to the vehicle situation.

  The drawing data memory unit 5 stores vector data serving as original data when drawing vector graphics. Here, vector graphics is a method of handling an image as numerical data (vector data) representing a straight line or a curve. In vector graphics, calculation is performed every time an image is displayed, so that even when the image is enlarged or reduced or deformed, high-quality graphic drawing can be performed without causing jaggy.

  Based on the drawing control information input from the control circuit unit 4, the graphics drawing unit 6 acquires vector data necessary for drawing from the drawing data memory unit 5 to generate vector graphics. Displayed on the display unit 7. Further, when displaying the video outside the vehicle acquired by the video acquisition unit 2, the video input from the control circuit unit 4 is displayed at a predetermined position of the vector graphics displayed on the display unit 7. Thus, since the display image of the display unit 7 is drawn by vector graphics, there is no possibility that the image quality will deteriorate even when the display is enlarged or reduced. The display unit 7 is a display screen that is disposed in front of the driver's seat of the vehicle and displays various information necessary for vehicle operation, and includes, for example, a liquid crystal display, an organic EL display, a DRT display, and the like.

Next, the operation of the vehicle display device 10 will be described with reference to FIG. FIG. 2 is a flowchart showing the operation of the vehicle display device according to the first embodiment.
The vehicle speed sensor 1a detects the vehicle speed (step ST1), and the shift lever position sensor 1b detects the position of the shift lever (step ST2). Information detected in steps ST1 and ST2 is output to the control circuit unit 4 as vehicle information via the data interface unit 3. The control circuit unit 4 generates drawing control information based on the input vehicle information and outputs it to the graphics drawing unit 6 (step ST3). The graphics drawing unit 6 acquires vector data stored in the drawing data memory unit 5 based on the inputted drawing control information, generates vector graphics (step ST4), and displays the vector graphics on the display unit 7. Displayed (step ST5).

Next, a display example of the display unit 7 will be described with reference to FIG. The display example of FIG. 3 shows a case where the vehicle is stopped and the shift lever is positioned at N (neutral) or P (parking). In the following description, the display in FIG. 3 will be referred to as a standard layout (stopped).
The display unit 7 includes a speedometer display unit 21, a distance meter display unit 22, a tachometer display unit 23, a coolant temperature meter display unit 24, a fuel meter display unit 25, direction indication display units 26a and 26b, and various alarm display units 27. And the shift position display part 28 etc. are displayed.

  The speedometer display unit 21 includes a dial 21a drawn by vector data and a meter pointer 21b, and displays the traveling speed of the vehicle. The distance display unit 22 is drawn in the speedometer display unit 21 and displays the travel distance of the vehicle. Similarly, the tachometer display unit 23, the cooling water temperature meter display unit 24, and the fuel meter display unit 25 each have a dial and a meter pointer drawn by vector data, and the engine speed, cooling water temperature, and fuel Display the remaining capacity. The direction indication display units 26a and 26b change and display the brightness in a blinking manner by operating a direction indicator (not shown) or the like. The alarm display unit 27 is arranged in a plurality, and displays an icon-shaped display graphic when an abnormality determination unit or the like (not shown) detects an abnormality in information acquired by each sensor of the information acquisition unit 1. The shift position display unit 28 displays the position of a shift lever (not shown). For example, in the description of the first embodiment, “N” is displayed when the shift lever is in the “neutral” position, “P” when “parking”, and “D” when moving forward. In the case of reverse, “R” is displayed.

  The speedometer display unit 21, the tachometer display unit 23, the cooling water temperature meter display unit 24, and the fuel meter display unit 25 displayed on the display unit 7 are drawn by vector graphics in the graphics drawing unit 6. Therefore, when the display is enlarged or reduced, there is no fear that the image quality is deteriorated, and good visibility is ensured.

Next, what kind of display is performed on the display unit 7 in accordance with the operation actually performed by the driver will be described with reference to the flowchart of FIG.
First, the case where the vehicle is stopped and the shift lever is positioned at N (neutral) or P (parking) will be described.
The vehicle speed sensor 1a detects the stop state of the vehicle, the shift lever position sensor 1b detects the position (N or P) of the shift lever, and the vehicle information is output to the control circuit unit 4 (steps ST1 and ST2). . The control circuit unit 4 refers to the input vehicle information, generates drawing control information for performing a stop display (standard layout (stopped)), and outputs the drawing control information to the graphics drawing unit 6 (step ST3). The graphics drawing unit 6 acquires vector data for displaying a standard layout (stopped) screen from the drawing data memory unit 5 based on the inputted drawing control information, generates vector graphics, and displays the display unit 7. A screen at the time of stopping (see FIG. 3) is displayed (steps ST4 and ST5).

Next, a case where the driver moves the shift lever from N (neutral) or P (parking) to D (forward) while the vehicle is stopped will be described.
The vehicle speed sensor 1a detects the stop state of the vehicle, the shift lever position sensor 1b detects the position (D) of the shift lever, and the vehicle information is output to the control circuit unit 4 (steps ST1 and ST2). The control circuit unit 4 generates drawing control information for changing the currently displayed standard layout (stopped) with reference to the input vehicle information to a layout when the vehicle starts moving forward, and a graphics drawing unit. 6 (step ST3). The graphics drawing unit 6 acquires vector data for displaying a layout screen when the vehicle starts moving forward from the drawing data memory unit 5 based on the inputted drawing control information, generates vector graphics, and displays it. The screen is displayed on the unit 7 (see FIG. 4) (steps ST4 and ST5).

  FIG. 4 shows a specific display example when the shift lever moves from N (neutral) or P (parking) to D (forward). While gradually reducing the drawing size of the speedometer display unit 21, distance meter display unit 22, tachometer display unit 23, cooling water temperature meter display unit 24, and fuel meter display unit 25 shown in the standard layout (stopped), Drawing control information for generating the video display unit 29 is generated in a blank area generated by gradually changing the display position and reducing the drawing size and changing the display position. The transition from the standard layout (stopped, FIG. 3) to the layout (FIG. 4) when the vehicle starts moving forward is the elapsed time measured by the elapsed time measuring unit 4a, that is, the shift lever. It is continuously performed according to the elapsed time after the position moves from N (neutral) or P (parking) to D (forward) (change gradually within a predetermined range). As a result, the driver can easily grasp the positional relationship between the meters before and after the change, and the visibility is not deteriorated. The display position and the drawing size of each meter according to the elapsed time are stored in advance by the control circuit unit 4, and the graphics drawing unit 6 displays the data based on the vector data stored in the data memory unit 5 accordingly. The screen is displayed on the unit 7.

  Further, processing for displaying a video on the video display unit 29 will be described. When generating the drawing control information for generating the video display unit 29 in step ST3, the control circuit unit 4 outputs the video data of the video acquisition unit 2 acquired through the data interface unit 3 to the graphics drawing unit 6. The graphics drawing unit 6 performs processing for displaying video data on the generated vector graphics video display unit 29 and performs screen display in which the vehicle outside video is incorporated in the display unit 7. The image outside the vehicle displayed on the image display unit 29 is an image immediately before the vehicle acquired by the vehicle outside camera F2a, an image obtained by combining the image immediately before the vehicle acquired by the vehicle outside camera F2a and the vehicle outside camera SL2c, and the image on the left side of the vehicle, etc. To do. Thereby, the image | video which prevents the entrainment at the time of vehicle start etc. can be displayed.

  Note that each display unit is selectively reduced or enlarged and the display position is changed. For example, the direction indication display units 26a and 26b, the alarm display unit 27, the shift position display unit 28, and the like can be configured so that they are not reduced or enlarged and the display position is not changed.

Next, a case where the driver operates the accelerator pedal (not shown) or the like to accelerate the vehicle will be described.
The vehicle speed sensor 1a detects the vehicle speed, the shift lever position sensor 1b detects the position (D) of the shift lever, and the vehicle information is output to the control circuit unit 4 (steps ST1 and ST2). The control circuit unit 4 refers to the input vehicle information, generates drawing control information corresponding to the vehicle speed, and outputs it to the graphics drawing unit 6 (step ST3). The graphics drawing unit 6 obtains vector data for displaying a running layout screen corresponding to the vehicle speed from the drawing data memory unit 5 based on the inputted drawing control information, generates vector graphics, 7 is displayed (see FIG. 5) (steps ST4 and ST5).

  FIG. 5 shows a specific display example when the vehicle is accelerated. When the accelerator pedal is operated, as shown in FIG. 5A, the display control information for reducing the display area of the video display unit 29 and increasing the drawing size of the meters is generated as compared with the screen display of FIG. Is done. When the vehicle speed further increases, as shown in FIG. 5B, the drawing size of the meters on the display unit 7 is gradually enlarged, the display position of the meters is gradually moved, and the display area of the video display unit 29 is further increased. The drawing control information for reducing the size is generated. When the vehicle speed further increases and reaches a predetermined speed or more, drawing control information for instructing drawing of the standard layout (during traveling) for which the display control of the video display unit 29 is finished is generated as shown in FIG. The When the vehicle is traveling forward at a vehicle speed equal to or higher than the prescribed speed, the standard layout (running) display shown in FIG. 5C is continued.

  The transition of the display screen from FIG. 5A to FIG. 5C is continuously performed according to the vehicle speed acquired by the vehicle speed sensor 1a. As a result, the driver can easily grasp the positional relationship between the meters before and after the change, and the visibility is not deteriorated. Furthermore, meter information such as the vehicle speed and the engine speed, the information value of which is relatively high when the vehicle is traveling, can be displayed in a large and easily visible manner. The display position and the drawing size of each meter according to the vehicle speed are stored in advance by the control circuit unit 4, and the display unit based on the vector data stored in the data memory unit 5 by the graphics drawing unit 6 in response thereto. 7 is displayed on the screen.

When the vehicle is traveling at a vehicle speed equal to or higher than the prescribed speed and then stopped at a gradual speed, the transition opposite to that described above, that is, from FIG. 5 (c) to FIG. 5 (a), Displays a display screen that moves to FIG.
Specifically, when a vehicle speed decelerated below a specified speed is detected, a speedometer display unit 21, a tachometer display unit 23, and a cooling water temperature meter display unit as shown in FIGS. 5C to 5B. 24, and the drawing control information for gradually reducing the drawing size of the meters on the fuel gauge display unit 25 and gradually changing the display position to generate the video display unit 29 in the blank area generated by the reduction and change Is output. Further, according to the decrease in the vehicle speed, the display screen shown in FIG. 4 is displayed through the display screen shown in FIG. 5A when the vehicle is stopped.

  Thereafter, when the shift lever is moved from D (forward) to N (neutral) or P (parking) by the driver, the vehicle speed sensor 1a detects the stop state of the vehicle, and the shift lever position sensor 1b detects the position of the shift lever. (N or P) is detected, and the vehicle information is output to the control circuit unit 4 (steps ST1 and ST2). The control circuit unit 4 refers to the input vehicle information, generates drawing control information for performing a display during stopping (standard layout (stopped) shown in FIG. 3), and outputs the drawing control information to the graphics drawing unit 6 (steps). ST3). The graphics drawing unit 6 acquires vector data for displaying a standard layout (stopped) screen from the drawing data memory unit 5 based on the inputted drawing control information, generates vector graphics, and displays the display unit 7. A screen at the time of stopping (see FIG. 3) is displayed (steps ST4 and ST5).

Next, a case where the driver moves the shift lever from N (neutral) or P (parking) to R (reverse) will be described.
If the shift lever is moved to R (reverse) when the shift lever is in N (neutral) or P (parking) and the standard layout (stopped) shown in FIG. 3 is displayed, first the vehicle speed sensor 1a detects the stop state of the vehicle, shift lever position sensor 1b detects the position (R) of the shift lever, and the vehicle information is output to the control circuit unit 4 (steps ST1 and ST2). The control circuit unit 4 refers to the input vehicle information, generates drawing control information for changing the currently displayed standard layout (stopped), and outputs it to the graphics drawing unit 6 (step ST3). The graphics drawing unit 6 obtains vector data for displaying a layout screen when the vehicle moves backward from the drawing data memory unit 5 based on the inputted drawing control information, generates vector graphics, and displays the display unit 7. Is displayed (see FIG. 6) (steps ST4 and ST5).

  FIG. 6 shows a specific display example when the shift lever moves from N (neutral) or P (parking) to R (reverse). As shown in FIG. 6A to FIG. 6C, the speedometer display unit 21, the distance meter display unit 22, the tachometer display unit 23, and the cooling water thermometer shown in the standard layout (stopped, see FIG. 3). The display size of the display unit 24 and the fuel gauge display unit 25 is gradually reduced, the display position is gradually changed, and the video display unit 30 is generated in the blank area generated by the reduction of the drawing size and the change of the display position. Drawing control information to be generated is generated.

  The transition from FIG. 6 (a) to FIG. 6 (c) through FIG. 6 (b) is the elapsed time after vehicle information acquisition measured by the elapsed time measuring unit 4a, that is, the shift lever. Is continuously performed in accordance with the elapsed time after the position of N moves from N (neutral) or P (parking) to R (reverse). As a result, the driver can easily grasp the positional relationship between the meters before and after the change, and the visibility is not deteriorated. The display position and the drawing size of each meter according to the elapsed time are stored in advance by the control circuit unit 4, and the graphics drawing unit 6 displays the data based on the vector data stored in the data memory unit 5 accordingly. The screen is displayed on the unit 7.

  Further, processing for displaying a video on the video display unit 30 will be described. When the control circuit unit 4 generates the drawing control information for generating the video display unit 30 in step ST3, the control circuit unit 4 outputs the video data of the video acquisition unit 2 acquired through the data interface unit 3 to the graphics drawing unit 6. The graphics drawing unit 6 performs processing for displaying video data on the generated vector graphics video display unit 30, and performs screen display in which an external video is incorporated in the display unit 7. The video outside the vehicle displayed on the video display unit 30 is composed of the video behind the vehicle acquired by the external camera R2b, or the video around the vehicle acquired by the external camera F2a, the external camera R2b, the external camera SL2c, and the external camera SR2d, Consists of a bird's-eye view video with viewpoint conversion. This makes it easy to check the surroundings when the vehicle moves backward.

  On the other hand, the display screen when the shift lever moves from R (reverse) to N (neutral) or P (parking) shifts from FIG. 6C to FIG. 6A through FIG. 6B. The transition from FIG. 6 (c) to FIG. 6 (a) is that the elapsed time after vehicle information acquisition measured by the elapsed time measuring unit 4a, that is, the position of the shift lever is changed from R (reverse) to N (neutral) or P It is performed continuously according to the elapsed time since moving to (parking).

  As described above, according to the first embodiment, the control circuit unit 4 selects a display image to be displayed on the display unit 7 based on the vehicle information including the vehicle speed and shift lever position information acquired by the information acquisition unit 1. Since the drawing control information for continuously shifting the display position and the drawing size of the display image is generated, necessary and sufficient information can always be displayed in an easy-to-see manner according to the traveling state of the vehicle. Furthermore, since the display image continuously shifts, the positional relationship before and after the transition becomes clear, and a vehicle display device that is easy for the user to visually recognize can be provided. In addition, it is not necessary to perform display switching of the display image by a user operation, and it is possible to display optimal information according to the traveling state of the vehicle.

  Moreover, according to this Embodiment 1, it has the elapsed time measurement part 4a which measures the elapsed time after vehicle information acquisition, and the control circuit part 4 is drawing control which transfers a display image continuously according to the said elapsed time. Since the information is generated, it is possible to display an optimal image according to the state of the vehicle.

  Furthermore, according to this Embodiment 1, since it comprised so that the drawing control information which produces | generates the video display parts 29 and 30 based on vehicle information was produced | generated, and the image | video of the vehicle periphery which the video acquisition part 2 acquired was displayed. In addition, it is possible to easily check the surrounding safety during vehicle operation.

  Furthermore, according to the first embodiment, since the meters displayed on the display unit 7 are configured to be drawn by vector graphics by the graphics drawing unit 6, image degradation due to enlargement / reduction of display contents is caused. It is suppressed and good visibility can be secured. Thereby, the safety | security on vehicle operation can be ensured.

  Further, according to the first embodiment, the control circuit unit 4 stores in advance the display position and drawing size of each meter according to the vehicle speed detected by the vehicle speed sensor 1a and the elapsed time measured by the elapsed time measuring unit 4a. In addition, since the graphics drawing unit 6 performs drawing display using the vector data stored in the drawing data memory unit 5 in accordance with the drawing control information generated based on these, a large number of drawing data memory units 5 are displayed. There is no need to store drawing data corresponding to the drawing size, and various layout displays can be performed with a small memory capacity.

In the above-described first embodiment, the configuration in which the display position and the drawing size of the display image displayed on the display unit 7 are changed according to the position of the shift lever detected by the shift lever position sensor 1b has been described. You may comprise so that the display position and drawing size of a display image may be changed according to selection of the transmission mode of a machine.
More specifically, in a vehicle equipped with an automatic transmission that can select a fully automatic or semi-automatic shift mode, the shift mode detected by the shift mode sensor 1g is the fully automatic mode as shown in FIG. When the standard layout (stopped or running) shown in FIG. 5C is displayed on the display unit 7 and the shift mode detected by the shift mode sensor 1g selects a semi-automatic mode such as a sports mode, FIG. The engine tachometer display unit 23 as shown in the figure is arranged in the center of the display unit 7 so that the engine tachometer visibility is maximized. Thereby, the optimal display screen according to a user's driving | operation orientation can be provided.

  In the first embodiment described above, the selection of the display image to be displayed on the display unit 7 or the change of the display position and drawing size of the display image is performed according to the vehicle speed, the position of the shift lever, and the elapsed time after acquiring the vehicle information. Although the structure performed according to any one or specific combination was shown, the combination of these information is not limited to what was mentioned above, It can change suitably.

  Moreover, in Embodiment 1 mentioned above, the structure which displays the example of a display shown in FIGS. 3-7 was shown on the display part 7, However, The display content is not limited to this, Change and addition suitably Alternatively, deletion may be performed.

  Moreover, in Embodiment 1 mentioned above, although the video display part 29 and the video display part 30 of the display part 7 showed the structure which displays the vehicle exterior image imaged with the various vehicle exterior cameras of the video acquisition part 2, the navigation system was shown. You may comprise so that the image | video by 1f, the image | video by broadcast, etc. may be displayed.

  In the present invention, any constituent element of the embodiment can be modified or any constituent element of the embodiment can be omitted within the scope of the invention.

  DESCRIPTION OF SYMBOLS 1 Information acquisition part, 1a Vehicle speed sensor, 1b Shift lever position sensor, 1c Rotation sensor, 1d Temperature sensor, 1e Fuel sensor, 1f Navigation system, 1g Shift mode sensor, 2 Image acquisition part, 2a Outside camera F, 2b Outside camera R 2c vehicle exterior SL, 2d vehicle exterior SR, 3 data interface unit, 4 control circuit unit, 4a elapsed time measurement unit, 5 drawing data memory unit, 6 graphics rendering unit, 7 display unit, 10 vehicle display device, 21 Speedometer display unit, 22 Distance display unit, 23 Tachometer display unit, 24 Cooling water temperature meter display unit, 25 Fuel meter display unit, 26a, 26b Direction indication display unit, 27 Alarm display unit, 28 Shift position display unit, 29, 30 Video display section.

Claims (6)

A display unit that displays information about the vehicle;
An information acquisition unit for acquiring information on the host vehicle;
Based on the information related to the own vehicle acquired by the information acquisition unit, the display control unit generates drawing control information for the display image to be displayed on the display unit, and changes the display image to correspond to the information related to the own vehicle. A control circuit unit for generating the drawing control information that is gradually changed at
A drawing unit that draws vector graphics based on the drawing control information generated by the control circuit unit and displays a display image on the display unit;
A vehicle display device comprising: a drawing data memory unit for storing vector data constituting the vector graphics. The information acquisition unit includes a vehicle speed sensor that detects a vehicle speed of the host vehicle,
The control circuit unit determines the configuration, arrangement, and drawing size of the display image based on the vehicle speed detected by the vehicle speed sensor, and determines the configuration, arrangement, and drawing size of the display image in accordance with the vehicle speed. The vehicle display device according to claim 1, wherein drawing control information that gradually changes within a range is generated. The information acquisition unit includes a shift lever position sensor that detects a position of a shift lever of the host vehicle,
The control circuit unit determines the configuration, arrangement, and drawing size of the display image based on the position of the shift lever detected by the shift lever position sensor, and configures the display image according to the position of the shift lever. The vehicle display device according to claim 1, wherein drawing control information for gradually changing the arrangement and the drawing size within a predetermined range is generated. The control circuit unit includes an elapsed time measurement unit that measures an elapsed time after the information acquisition unit acquires information about the host vehicle,
The drawing control information for gradually changing the configuration, arrangement, and drawing size of the display image within a predetermined range according to the elapsed time measured by the elapsed time measuring unit is generated. 3. The vehicle display device according to 3. Comprising a video acquisition unit comprising imaging means for imaging a video around the vehicle,
The control circuit unit adds a video display unit to the display image based on the vehicle speed detected by the vehicle speed sensor, the position of the shift lever detected by the shift lever position sensor, or the elapsed time measured by the elapsed time measurement unit. A drawing that generates and displays the video acquired by the video acquisition unit on the video display unit, and gradually changes the arrangement and the drawing size of the video display unit within a predetermined range according to the vehicle speed or the elapsed time. Control information is produced | generated, The display apparatus for vehicles of any one of Claims 2-4 characterized by the above-mentioned. The information acquisition unit includes a shift mode sensor that detects a shift mode of the automatic transmission of the host vehicle,
The control circuit unit determines the configuration, arrangement, and drawing size of the display image based on the transmission mode detected by the transmission mode sensor, and configures, arranges, and draws the display image corresponding to the transmission mode. The vehicle display device according to claim 1, wherein drawing control information for gradually changing the size within a predetermined range is generated.

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