JP2011247683A - Display device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device for vehicle comprising a content-switchable flat panel display which enables facilitating user's discerning information as the contents are switched.SOLUTION: This display device for vehicle includes a flat panel display 1 for displaying vehicle information, and control means 4 for controlling display-mode switching on the flat panel display 1. The display modes includes a plurality of display modes in each of which a common display part displays at least one vehicle information in a layout different from the layout of another mode. The control means 4, before switching or on switching the display mode, causes the flat panel display 1 to display a reduced display part for showing the layout of the display mode to be displayed after the switching of the display mode.

Description

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

  As a vehicle display device that displays various vehicle-related information (hereinafter referred to as vehicle information) such as vehicle speed, engine speed, water temperature, and hydraulic pressure, for example, a speedometer, a tachometer, a fuel gauge, and the like are housed in a case body. A unitized combination meter is most common.

  Further, such a vehicle display device is desired to have a novel design, and a flat panel display such as an LCD panel, an EL panel or a plasma display is used to display various vehicle information on the flat panel display. Some display contents are arbitrarily changed. Such a vehicle display device is disclosed in Patent Document 1, for example.

JP 2009-731431 A

  Further, as described above, in the display device for a vehicle including the flat panel display, the display content is further diversified such as displaying a peripheral image obtained by imaging the periphery of the vehicle in addition to the vehicle information, and the frequency of switching the display content is More and more. However, when the display is switched, the amount of change in information is large, so that the user can easily feel confused and there is room for further improvement.

  Therefore, the present invention has been made paying attention to the above-described problems, and in a vehicle display device that uses a flat panel display and is capable of switching the display content, the user can easily exchange information when switching the display content. An object of the present invention is to provide a vehicle display device that can be recognized.

In order to solve the above problems, the present invention comprises a flat panel display for displaying vehicle information, and a control means for controlling switching of the display mode of the flat panel display,
The display mode includes a plurality of types of display modes in which a common display unit that displays at least one or more vehicle information is displayed in different layouts,
When the display mode is switched, the control means causes the flat panel display to display a reduced display section that displays a layout of the display mode before or after switching, when switching the display mode. apparatus.

  Further, the control means gradually switches the display of the flat panel display when switching the display mode.

  Further, the control means maintains the display position of the common display section at the display position of the display mode before switching for a predetermined time after switching the display mode, and the display position of the display mode after switching after the predetermined time has elapsed. It is made to move to.

  The common display unit may display a vehicle speed as the vehicle information.

  The present invention relates to a vehicle display device that uses a flat panel display and can switch display contents thereof, and enables a user to easily recognize information when switching display contents.

The figure which shows the electrical constitution of the display apparatus for vehicles which is embodiment of this invention. The figure which shows the display apparatus for vehicles same as the above. The figure which shows the display apparatus for vehicles same as the above. The figure which shows the display apparatus for vehicles same as the above. The figure which shows the display apparatus for vehicles same as the above.

  Embodiments to which the present invention is applied will be described below with reference to the accompanying drawings.

  The overall configuration of the vehicle display device will be described with reference to FIG. The vehicle display device mainly includes a display unit 1, a vehicle information detection unit 2, an imaging unit 3, and a control unit 4.

  The display means 1 is composed of a flat panel display such as an LCD panel, an EL panel, or a plasma display. The display means 1 can display a plurality of types of display modes to be described later.

  The vehicle information detection means 2 detects vehicle information. In this embodiment, the vehicle information detection means 2 detects at least the vehicle engine speed and the vehicle speed as vehicle information. For example, a TA pulse and speed sensor or a vehicle side ECU is used. Consists of.

  The image sensor 3 is for obtaining an image around the vehicle by capturing the periphery of the vehicle. In the present embodiment, the image sensor 3 is an infrared camera that images the front of the vehicle.

  The control means 4 is composed of a microcomputer provided with a CPU, ROM, RAM, an input / output interface and the like. The control means 4 receives a state signal from the vehicle information detection means 2, obtains measurement data of vehicle information based on the state signal by a predetermined calculation process, and displays a drive signal corresponding to the measurement data at a predetermined cycle. 1 to drive the display means 1 for display. The control unit 4 has a function of switching the display mode of the display unit 1 in accordance with a predetermined switching signal.

  The vehicle display device is configured by the above-described units. Next, switching of the display mode of the display means 1 in the vehicle display device will be described.

  FIG. 2 shows the display means 1 that performs display driving in the instrument display mode as the display mode. The instrument display mode displays a first analog display unit 1a that displays an engine speed as the vehicle information, a second analog display unit 1b that displays a vehicle speed as the vehicle information, and a vehicle speed as the vehicle information. And a digital display (common display) 1c. The first and second analog display portions 1a and 1b include pointer portions 1a1 and 1b1 which are display images simulating pointers in analog meters, and indicator portions 1a2 and 1b2 each including a plurality of indicators, and each vehicle information The display positions of the pointer portions 1a1 and 1b1 are moved according to the change of the vehicle information, and the vehicle information is displayed. The digital display unit 1c is displayed side by side with the second analog display unit 1b, and displays the vehicle information similar to the second analog display unit 1b in numbers.

  When the display unit 1 is in the instrument display mode and the control unit 4 detects, for example, a predetermined switch input as the switching signal, the control unit 4 changes the display mode of the display unit 1 from the instrument display mode to the night vision display mode (other display modes). Mode). FIG. 3 shows the display means 1 when the display mode is switched. The control unit 4 gradually switches the display of the display unit 1 when switching the display mode. That is, when the display mode is switched from the instrument display mode to the night vision display mode, the first and second analog display portions 1a and 1b in the instrument display mode are gradually turned off (fade out). . In the digital display unit 1c, since the display is maintained, the display is not particularly changed. At this time, the control means 4 displays the reduced display portion 1e showing the layout of the night vision display mode which is the display mode after switching. The reduced display portion 1e indicates the position of each image (display portion) displayed in the night vision display mode with frames 1d1 and 1d2. It should be noted that display contents such as “peripheral image” and “vehicle speed” may be displayed in characters in the frames 1d1 and 1d2.

  FIG. 4 shows the display means 1 immediately after switching the display mode. The display means 1 performs display driving in the night vision display mode. The night vision display mode includes a peripheral image 1e captured by the image sensor 3 and a digital display unit 1c that displays a vehicle speed as the vehicle information. The peripheral image 1e includes, for example, a road image 1e1 and a person 1e2 in front of the vehicle, and notifies the driver of the situation in an area where headlight light does not reach the driver during night driving. When the display mode is switched, the control means 4 gradually displays the peripheral image 1e in the night vision display mode after erasing the first and second analog display portions 1a and 1b in the instrument display mode (fade in). . Further, immediately after switching the display mode, the control means 4 keeps the digital display unit 1c to be displayed in the same position as the instrument display mode for a predetermined time, and then moves to the display position in the night vision display mode (see FIG. 5). ). The digital display portion 1c in the night vision display mode is displayed at a position that does not overlap with the peripheral image 1e.

  The control means 4 switches the display mode of the display means 1 from the night vision display mode to the instrument display mode when detecting the input of the switching signal when the display means 1 is in the night vision display mode. In this case, the control means 4 displays the reduced display portion 1d showing the layout of the instrument display mode, which is the display mode after switching, when switching the display mode. Further, the digital display unit 1c is maintained at the display position in the night vision display mode for a predetermined time after the display mode is switched, and then moved to the display position in the instrument display mode.

  Such a vehicle display device includes a plurality of types of display modes in which at least one or more pieces of digital information 1c indicating vehicle information are displayed in different layouts. When the display mode is switched by the control means 4, the switching is performed at the time of switching. The display unit 1 displays a reduced display portion 1d showing the layout of the display mode. As a result, the user can display the layout of the display mode after switching, in particular at which position on the screen of the display means 1 the digital display unit 1c indicating the vehicle information (vehicle speed) that is displayed in common in each display mode and has high importance. Whether it moves can be recognized in advance, and even when the display mode is switched, the user can easily recognize the location of important information.

  Further, by gradually switching the display of the display means 1 when switching the display mode, the user can easily recognize the display change, and the user can be prevented from being confused by the change in the display. .

  Further, only the movement of the common display section for displaying important information is maintained by maintaining the digital display section 1c for commonly displaying important vehicle information (vehicle speed) after switching the display mode at the display position before switching for a predetermined time. Thus, the user can easily recognize the location of important information even immediately after switching the display mode.

  In the present embodiment, the present invention is applied only to the display of the vehicle speed as the common display unit, and the display position of the digital display unit 1c is maintained for a predetermined time after switching the display mode. The common display unit can also be applied to display of engine speed, water temperature, remaining fuel, etc., which are vehicle information other than vehicle speed.

  In the present embodiment, the display means 1 displays the pointer portions 1a1 and 1b1 as display images in the instrument display mode. However, as shown in FIG. Even with the structure in which the pointers 5 and 6 are arranged, the effect of the present invention can be sufficiently obtained. In such a structure, for example, the pointers 5 and 6 are disposed on a transparent substrate disposed in front of the display unit 1, and the pointers 5 and 6 are displayed in front of the display unit 1 when the display mode is switched to the night vision display mode. It is desirable to provide a moving mechanism for moving from the outside.

1 Display means (flat panel display)
DESCRIPTION OF SYMBOLS 1a 1st analog display part 1a1 Pointer part 1a2 Indicator part 1b Second analog display part 1b1 Pointer part 1b2 Index part 1c Digital display part 1d Reduction display part 1e Peripheral image 1e1 Road image 1e2 Person 2 Vehicle information detection means 3 Image sensor 4 Control means

Claims (4)

A flat panel display for displaying vehicle information; and a control means for controlling switching of the display mode of the flat panel display,
The display mode includes a plurality of types of display modes in which a common display unit that displays at least one or more vehicle information is displayed in different layouts,
When the display mode is switched, the control means displays a reduced display portion indicating a layout of the display mode before or after switching on the flat panel display when switching the display mode. . The vehicle display device according to claim 1, wherein the control unit gradually switches the display of the flat panel display when the display mode is switched. The control means maintains the display position of the common display section at the display position of the display mode before switching for a predetermined time after switching the display mode, and moves to the display position of the display mode after switching after the predetermined time has elapsed. The vehicle display device according to claim 1, wherein: The vehicle display device according to claim 1, wherein the common display unit indicates a vehicle speed as the vehicle information.

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