JP5288107B2 - Vehicle display device - Google Patents

Description

  The present invention relates to a vehicle display device that displays vehicle information.

As this type of vehicle display device, for example, one described in Patent Document 1 below is known. The vehicle display device includes, for example, an image display device including a liquid crystal panel, an EL panel, and other flat display panels, and a control unit including a microcomputer that displays vehicle information on the image display device as an image. The image display device displays a main instrument image composed of an analog speedometer image (vehicle information) and an analog tachometer image (vehicle information) on the left and right ends of the display screen under the control of the control means. Between the analog speed image and the analog tachometer image, for example, an auxiliary instrument image consisting of an analog fuel gauge image and an analog water temperature gauge image, and terrain information, inter-vehicle distance information, and shift range information other than the instrument image. An information display image (vehicle information) is displayed.

Thus, in the vehicle display device that displays an information display image other than the instrument image between the main instrument images, the information display image includes alarm information such as imaging information from a night vision camera, remaining fuel, and inter-vehicle distance. In some cases, vehicle information with high urgency and high priority is displayed.
JP 2004-157434 A

  However, in the vehicle display device described in the above publication, a background image is displayed in a first display mode that displays only the main instrument image and a second display mode that displays an information display image in addition to the main instrument image. Because the color and brightness of the vehicle are constant, there is room for improvement in terms of occupant recognition and attention to information display images. For example, when displaying vehicle information with high urgency and priority as an information display image , Recognizability and alertness could not be secured sufficiently.

The present invention pays attention to the above-described problems, and can enhance the occupant's recognizability and alertness when displaying specific vehicle information, for example, information display images (vehicle information) with high urgency and priority. A display device for a vehicle is provided.

In order to solve the above-described problem, the present invention provides a vehicle display device including an image display device and a control unit that displays vehicle information on the image display device as an image.
The control means includes a first display mode in which a first display image for displaying a main instrument image including an image of a pointer-type analog instrument as the vehicle information is displayed on a first background image; and the first display A second display mode in which a second display image, which is an information display image made up of an image and an image other than the first display image, is displayed on the second background image so as to be switchable, and In the first display mode in which one display image is displayed on the first background image, the first background image is displayed at a first luminance, and the first display image and the second display are displayed. In the second display mode in which both images are displayed on the second background image, the second background image is displayed at a second luminance smaller than the first luminance , and the first display mode is started. Second display mode When switching, or when switching from the second display mode to the first display mode, the luminance of the first and second background images is stepped between the first luminance and the second luminance. Or, it is characterized by being gradually changed . Thereby, when displaying the information display image which is specific vehicle information , a passenger | crew's recognizability and alertness can be improved, and when switching from a 1st display mode to a 2nd display mode Alternatively, when switching from the second display mode to the first display mode, the luminance of the first and second background images is changed stepwise or gradually between the first luminance and the second luminance. As a result, it is possible to suppress a sudden change in luminance, and to reduce the occupant's discomfort.

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ADVANTAGE OF THE INVENTION According to this invention, the intended objective can be achieved and a passenger | crew's recognizability and alertness can be improved when displaying the information display image which is specific vehicle information.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  1 and 2 show an embodiment of a display device for a vehicle according to the present invention. FIG. 1 is a block diagram showing a system outline of the display device for a vehicle according to the embodiment, and FIGS. FIG. 6 is a front view showing a display image and its transition.

  In FIG. 1, the vehicle display device 1 according to the present embodiment includes an image display device 10 and a control unit 20 that displays vehicle information on the image display device 10 as an image. For example, an in-vehicle LAN (Local Area Network) ) Through a vehicle side ECU (Engine Control Unit).

  The image display device 10 is composed of, for example, a TFT (thin film transistor) type liquid crystal panel, and any display panel such as an EL panel can be used as long as vehicle information can be displayed as an image under the control of the control means 20. it can.

  The control means 20 includes, for example, a storage device such as a microcomputer, graphic controller, ROM, RAM, flash memory, etc., and the image display device 10 according to a display switching signal from the vehicle ECU input through the in-vehicle LAN and various vehicle information. It contains the elements necessary for drive control.

  The display screen of the image display device 10 is located on the left side of the screen as shown in FIG. 2A, for example, during normal driving (in the first display mode), and the vehicle speed (first vehicle information). A speedometer for analog display and a speedometer located on the right side of the screen and displayed adjacent to the speedometer with an interval, and displaying the vehicle engine rotation (first vehicle information) in analog form. The display image GR1 and the first background image BG1 that is the background of the first display image GR1.

  Each of the first display images GR1 includes a pointer, an index that is an instruction target of the pointer, and a ring surrounding the pointer and the index. For example, the display color of the pointer is red, the display color of the index portion is blue, Each ring color is set to gold metallic. The first display image GR1 is displayed as a moving image by reading out and reproducing image data composed of a plurality of patterns stored in the storage device of the control means 20 according to the amount of change in vehicle information input through the in-vehicle LAN. It is what is done.

  The first background image BG1 is the background of the first display image GR1, and its display color is set to, for example, silver metallic.

  On the other hand, for example, when a night vision camera (not shown) mounted on the vehicle body catches a living object (in the second display mode), a display switching signal from the vehicle side ECU and a captured image signal from the night vision camera through the in-vehicle LAN. As shown in FIG. 2B, the display screen of the image display device 10 is displayed as the second vehicle information between the first display image GR1 and the first display image GR1. It is composed of a second display image GR2 composed of a captured image of the camera, and a second background image BG2 serving as the background of the first and second display images GR1 and GR2.

  In this case (in the second display mode), the display colors of the pointer, the index, and the ring constituting the first display image GR1 are the same as those in the first display mode, but the second background image BG2 is The display color of the first background image BG1 in the first display mode is set to, for example, black, which is different. Therefore, the brightness of the second background image BG2 is displayed with a brightness smaller than that of the background image BG1.

As described above, in the present embodiment, in the vehicle display device 1 including the image display device 10 and the control unit 20 that displays the vehicle information on the image display device 10 as an image, the control unit 20 includes the vehicle information as vehicle information. A first display mode in which a first display image GR1 for displaying a main instrument image composed of an image of a pointer-type analog instrument is displayed on the first background image BG1, and the first display image GR1 and the first display image A second display mode in which a second display image GR2 that is an information display image based on specific vehicle information including images other than GR1 is displayed on the second background image BG2 is provided so as to be switchable, and the first in the display image GR1 first display mode to be displayed on the first background image BG1 to display the first background image BG1 in the first luminance, first display image GR1 By displaying the second background image BG2 at a second luminance lower than the first luminance in the second display mode in which both of the second display images GR2 are displayed on the second background image BG2, the first As the second display mode, when displaying an information display image that is specific vehicle information, in this case, a second display image GR2 that is alarm information based on a captured image of a night vision camera, the background of the second display image GR2 Since the brightness of the background image BG2 to be lower than the brightness of the background image BG1 in the first display mode can be suppressed, the visibility and recognition of the second display image GR2 can be improved. Recognizability and alertness can be improved.

  As specific vehicle information, basically any vehicle information can be applied. For example, various types of alarm information such as a seat belt alarm, a low fuel alarm, an inter-vehicle distance alarm, etc., have high priority and high urgency. Information is preferred.

As an embodiment of the present invention, when switching from the first display mode to the second display mode, or when switching from the second display mode to the first display mode, the first background image BG1 and the second background image By configuring the luminance of the image BG2 to change stepwise or gradually between the first luminance and the second luminance, it is possible to suppress a sudden change in luminance and reduce the sense of incongruity of the occupant.

  Although not shown as yet another embodiment of the present invention, in the second display mode, the ring that forms a part of the first display image GR1 and provides a decorative effect is not displayed or is displayed lightly. By doing so, it is possible to further improve the visibility and recognizability of the second display image GR2.

The block diagram which shows the system outline | summary of the display apparatus for vehicles by one Embodiment of this invention. (A) (b) is a front view which shows the display image in the same embodiment, and its transition.

DESCRIPTION OF SYMBOLS 1 Display apparatus for vehicles 10 Image display apparatus 20 Control means GR1 1st display image GR2 2nd display image BG1 1st background image BG2 2nd background image

Claims (1)

In a vehicle display device including an image display device and a control unit that displays vehicle information as an image on the image display device, the control unit displays a main instrument image including an image of a pointer-type analog instrument as the vehicle information. a first display mode for displaying a first display image to be displayed on the first background image, the second is the first display image and information display image composed of the first display image other than the image The second display mode for displaying the display image on the second background image is provided so as to be switchable, and the first display mode for displaying the first display image on the first background image In the second display mode in which the first background image is displayed at a first luminance and both the first display image and the second display image are displayed on the second background image. First So the background image display smaller second luminance than the first luminance, the time of switching from the first display mode to the second display mode, or display the first from the second display mode When the mode is switched, the brightness of the first and second background images is changed stepwise or gradually between the first brightness and the second brightness. .

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