JPH07261690A - On-vehicle display device - Google Patents

Abstract

PURPOSE:To see information of traveling from a driver seat and the information of a TV, etc., from the front passenger seat respectively by constituting the on-vehicle display device with a fixed display device visible from the driver seat and a movable display device visible from the passenger seat and superimposing the movable display device on a part of the surface of the fixed display device. CONSTITUTION:The display image of the fixed display device 15 is reflected by a concave mirror 13, and an expansion reflection virtual image 20 by the concave mirror is visible from the the driver seat driver a display window. At this time, when the movable display device 16 is also light emission displayed simultaneously, the display image of the movable display device 16 is reflected by the concave mirror 13, and through the expansion reflection virtual image 21 is generated, the display position of the expansion reflection virtual image 21 is not visible from the driver seat but visible from the passenger seat through the display window 12 by the curvature of the concave mirror. Thus, only the expansion reflection virtual image 20 by the fixed display device 15 is visible from the driver seat, and the expansion reflection virtual image 21 being the image of a TV, etc., is visible from the passenger seat, and the safety and the dissolution of dullness are obtained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
The present invention relates to a distant display device for a vehicle, which displays a vehicle speed, an engine speed, and other information, particularly by using a liquid crystal display.

[0002]

2. Description of the Related Art As a conventional distant display device for a vehicle of this type, there is one having a structure as shown in FIGS.

That is, reference numeral 1 denotes an instrument panel having a display screen installation section 2 in which, for example, display scales for vehicle speed, engine speed, etc., water temperature display, fuel quantity display, etc. are displayed. Display 3 and this display 3
A half mirror 4 for reflecting and diverting the displayed information, a magnifying optical system 6 having a concave mirror 5 for enlarging and displaying the reflected image reflected by the half mirror 4 in the driver's eyepoint direction, and a meter pointer drive Has a part 7 and
The display by the display unit 3 and the pointer driving unit 7 is reflected by the magnifying optical system 6 next to the half mirror 4, and the display virtual image 10 magnified and displayed by the magnifying optical system is visually confirmed by the driver. ing. Reference numeral 8 indicates a meter pointer provided in the meter pointer driving unit 7, and 9 indicates a transparent front cover.

[0004]

However, in such a conventional vehicular display device, an indicator provided in the device is necessary for driving and running the automobile such as vehicle speed and engine speed. Since it is a single display device that displays the information to be displayed, it is impossible to see the display other than the display by the display device, for example, other information display such as a television image and a navigation image.

Further, the display virtual image 10 by the above-mentioned one display device
Was visible to the driver, and it was difficult to see the displayed virtual image from the passenger side.

[0006]

The present invention has been made in view of the above circumstances. For example, a fixed display for displaying information necessary for driving and driving an automobile, a television broadcast image, a navigation image and the like are displayed. Equipped with a movable indicator,
The virtual image displayed by the fixed display can be viewed from the driver's seat, and the movable display is placed adjacent to the fixed display and moved so that it can be overlapped on the fixed display. When the movable display is installed next to the fixed display, the virtual image displayed by the movable display can be seen from the passenger seat, and the movable display is on the fixed display. When overlapped, the virtual image displayed by the movable display can be viewed from the driver's seat so that the driver can selectively see a wide variety of display information and the passenger's seat Another object of the present invention is to provide a vehicular display device capable of visually observing images on a television, navigation, etc. upon request.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail based on the embodiments shown in the drawings.

In FIGS. 3 to 5, reference numeral 11 denotes a housing incorporated in the instrument panel in front of the driver's seat, and a display window 12 is formed on the front surface of the housing 11. Reference numeral 13 denotes a concave mirror which is arranged in the rear part of the housing 11 with respect to the display window 12, and a half mirror 14 is arranged between the concave mirror 13 and the display window 12.

A fixed display 15 composed of a self-luminous transmissive liquid crystal display panel for segment display or / and dot matrix display or the like is fixed below the half mirror 14. 16 is the fixed display 15
Is a movable display which is adjacent in the horizontal direction and is capable of displaying, for example, a television image, a navigation image, etc. The movable display 16 is held by a horizontal mount 17 shown in FIG. The gantry 17 is guided by a pair of guides 19 fixed in parallel with the fixed frame 18 at one end of a fixed frame 18 holding the fixed display 15, and is supported so as to be movable in the horizontal direction.

The moving means of the horizontal mount 17 can be moved by using a known drive mechanism using, for example, a motor, and the horizontal mount 1 for holding the movable display 16 can be moved.
When 7 is separated from the surface of the fixed display and is adjacent to the fixed display, the movable display 16 has its display surface flush with the display surface of the fixed display 15. The horizontal mount 17 that holds 16 may be provided with a mechanism that operates in the thickness direction of the movable display 16.

The structure of this embodiment has been described above. Next, its operation will be described. First, by a driving means (not shown),
Fixed display 1 with movable display 16 together with its horizontal mount 17
5, the movable display 16 and the fixed display 15 are arranged side by side on a plane.

Then, when the fixed display 15 is made to emit light, the display image of the fixed display 15 becomes a half mirror 14.
After being reflected by the concave mirror 13, the magnified reflection virtual image 20 by the concave mirror 13 is visible through the display window 12 from the driver's seat.

At this time, when the movable display 16 is also made to emit light at the same time, the display image of the movable display 16 is reflected by the half mirror 14 as in the above embodiment, and then the concave mirror 13 is displayed.
However, due to the curvature of the concave mirror, the display position of the magnified reflection virtual image 21 cannot be seen from the driver's seat and can be seen through the display window 12 from the passenger's seat. it can.

Therefore, from the driver's seat, only the magnified reflection virtual image 20 which is the information necessary for driving, for example, is displayed by the fixed display 15, and from the passenger seat, the magnified reflection virtual image, which is the image of, for example, a television or navigation, is displayed by the movable display 16. Since 21 can be visually observed, driving safety can be improved for the driver, and boredom and the like can be eliminated for the passenger.

Next, the horizontal mount 1 for holding the movable display 16
7 is moved along a guide 19 by a driving means (not shown), and the movable indicator 16 is superposed on the end of the fixed indicator 15 (see FIG. 6). Then, if the movable display 16 is displayed in this state, the enlarged reflected virtual image 21 of the image of, for example, a navigation or a television on the movable display 16 can be visually observed from the driver's seat (see FIG. 7). At this time, if the fixed display 15 is simultaneously displayed,
Except for the display section hidden in the movable display 16, the display of the fixed display 15 can be seen at the same time from the driver's seat.

As described above, in the display device of this embodiment, the fixed display 15 that can be seen from the driver's seat and the movable display 16 that can be seen from the passenger seat are provided, and the movable display 16 can be further provided. Can be selectively moved to overlap the surface of the fixed display, so from the driver's seat,
For example, the information necessary for driving and driving displayed by the fixed display 15 can be visually checked, and the image of the navigation, television, etc. can be visually checked from the passenger seat.

When required by the driver, the movable display is operated so that the image of the navigation, television or the like can be viewed from the driver's seat together with the display on the fixed display.

[0018]

As described above, according to the present invention, a display device is arranged in front of a concave mirror, a virtual image displayed by the display device is formed behind the concave mirror, and the virtual image is seen through a display window. In the device, the display is a fixed display 15 fixed to a position visible from the driver's seat, and a movable display 16 adjacent to the side of the fixed display and set to a position visible from the passenger seat. And its movable indicator 16
Is a display device for a vehicle which is superposed on a part of the surface of the fixed display 15 by the driving means. Therefore, according to this, from the driver's seat, for example, when driving while driving, Necessary information can be visually checked, and navigation, television and other images can be visually checked from the passenger seat. Also, when the driver needs it, by operating the movable display, it is possible to view the image of the navigation, TV, etc. from the driver's seat together with the display on the fixed display, which is an excellent practical effect. There is.

[Brief description of drawings]

FIG. 1 is a structural explanatory view showing a conventional vehicle display device.

FIG. 2 is an explanatory diagram of a display form of a conventional vehicle display device.

FIG. 3 is an explanatory plan view showing a vehicle display device according to an embodiment of the present invention.

FIG. 4 is a side view illustrating a vehicle display device according to an embodiment of the present invention.

FIG. 5 is an explanatory front view showing the vehicle display device according to the embodiment of the invention.

FIG. 6 is a perspective view showing a movable display moving mechanism according to an embodiment of the present invention.

FIG. 7 is an explanatory view showing a display side of the vehicle display device according to the embodiment of the present invention.

[Explanation of symbols]

 11 ... Housing 12 ... Display window 13 ... Concave mirror 14 ... Half mirror 15 ... Fixed display 16 ... Movable display 17 ... Horizontal mount 18 ... Fixed frame 19 ... Guide 20 ... Enlarged reflection virtual image 21 ... Enlarged reflection virtual image

Claims (1)

[Claims] 1. A display device for a vehicle, wherein a display device is arranged in front of a concave mirror, a virtual image displayed by the display device is formed behind the concave mirror, and the virtual image is seen through a display window. A fixed indicator (15) fixed at a position visible from the seat, and a movable indicator (1) adjacent to the fixed indicator and located at a position visible from the passenger seat (1)
6) and a movable display (16) of which is superposed on a part of the surface of the fixed display (15) by a driving means.