JP7128097B2 - vehicle display - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicular display device for displaying information on a display panel provided on the body of a vehicle such as an automobile.

2. Description of the Related Art Vehicle display devices have been proposed for displaying images such as patterns and characters on the body of an automobile for the purpose of advertising using a vehicle, for example, an automobile, or for ensuring the safety of the automobile. . For example, Japanese Laid-Open Patent Publication No. 2002-100003 proposes a technique of installing a projector in a side mirror or a rear lamp of an automobile and projecting and displaying an image on the outer surface of the body panel of the automobile. Further, Patent Document 2 proposes a technique of disposing a display panel composed of a transmissive organic EL display on a vehicle body panel or window of an automobile and displaying an image on the display panel.

JP 2015-148678 A JP 2016-65938 A

Autonomous driving control vehicles proposed in recent years (hereinafter referred to as autonomous driving vehicles) may omit the windows and lighting devices that are normally provided on the vehicle body. For example, it is possible to arrange a display panel. As a result, it is possible to realize a vehicular display device in which almost the entire surface of the vehicle body of an automatic driving vehicle is configured as a display surface. It is possible to enhance the display effect for the viewer of the displayed image.

However, since the vehicle body of an autonomous vehicle is equipped with a door for getting on and off, if the display panel is installed on the door, the image displayed on the display panel will not be visible when the door is opened and closed, reducing the display effect. do. That is, in the case of a sliding door, a part of the display panel is hidden by the door or the door itself is hidden by the sliding operation of the door, and the images on these display panels cannot be viewed. The same is true for hinged doors. Furthermore, even if the vehicle body is provided with an opening/closing type window, the opening/closing of the window makes it impossible to visually recognize the image on the display panel, thereby reducing the display effect.

SUMMARY OF THE INVENTION An object of the present invention is to improve the display effect by enabling a viewer to preferably view an image displayed on a display panel even when a movable part such as a door or a window provided on a vehicle body is operated. An object of the present invention is to provide a vehicle display device.

A display device for a vehicle according to the present invention comprises a display panel arranged on a vehicle body for displaying a desired image, and display control means for controlling an image displayed on the display panel. The display control means includes image control means for controlling the display form of an image when the movable part is operated , and the image control means is controlled by the operation of the movable part. The image displayed on the display panel whose display is hidden is displayed on another display panel.

In a preferred embodiment of the present invention, the image control means displays a different image on the display panel provided on the movable section when the movable section is operated.

The movable part in the present invention is a door or window provided on the vehicle body, and the image control means performs display control based on the opening/closing operation of these doors or windows. For example, when a door or window is opened or closed, the image control means performs display control between a display panel that overlaps with the door or window and a display panel that is disposed on the door or window. .

According to the present invention, when a movable portion such as a door or a window provided in a vehicle is operated, an image that becomes invisible due to the operation is displayed on another display panel, thereby ensuring that the viewer can see the image. It is possible to provide a vehicle display device that can be viewed by a viewer and has a high visual recognition effect.

1 is a schematic external view of an automatic driving vehicle according to Embodiment 1; FIG. Block diagram of display control means 4A and 4B are schematic external views for explaining an image display form of the first embodiment; FIG. FIG. 5 is a schematic external view for explaining a modification of Embodiment 1; FIG. 8 is a schematic external view for explaining an automatic driving vehicle and its image display form according to Embodiment 2; FIG. 11 is a schematic external view for explaining an automatic driving vehicle of Embodiment 3 and its image display form; FIG. 11 is a schematic external view for explaining a modification of Embodiment 3; FIG. 11 is a schematic external view for explaining an automatic driving vehicle of Embodiment 4 and its image display form;

(Embodiment 1)
Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a schematic external view of an automatic driving vehicle 1 of Embodiment 1 to which the vehicle display device of the present invention is applied. The self-driving vehicle 1 is configured as a four-wheeled vehicle having a low-floor, box-shaped vehicle body 10, and is automatically driven by automatic driving control. The vehicle body 10 is made of a rigid material, and its front, rear, left, and right sides are made of a transparent material except for the pillars 11 provided at the four corners, or are open so that the inside and the outside communicate with each other. It is Note that front, rear, left, and right are directions indicated by arrows in FIG. 1 for the sake of convenience.

A pair of sliding doors 12 are arranged on the left side of the vehicle body 10 . When the front door 12F arranged on the front side is slid forward, it is moved to cover the left front side surface 13F of the vehicle body adjacent to the front side. Further, when the rear door 12B arranged on the rear side is slid rearward, it is moved to cover the left rear side surface 13B of the vehicle body adjacent to the rear side. When these doors 12F and 12B are slid, the inside (vehicle compartment) of the vehicle body 10 is opened to the outside, so that the driver can get on and off the automatic driving vehicle 1 or load and unload luggage.

Display panels 2 (2F, 2B, 2L, 2R) are arranged on the four sides of the vehicle body, that is, the front side, the rear side, the left side, and the right side, so as to display desired images. It's becoming In particular, the display panel 2L arranged on the left side is composed of a plurality of display panels 21, 22, 23, and 24. As shown in FIG. That is, a front door display panel 21 is arranged on the outer surface of the front door 12F, and a rear door display panel 22 is arranged on the outer surface of the rear door 12B. A left front display panel 23 is arranged on the left front side surface 13F of the vehicle body 10, and a left rear display panel 24 is arranged on the left rear side surface 13B.

The display panel 2 is composed of an LCD (liquid crystal) panel or an organic EL panel, although illustration and detailed description of its structure are omitted, and displays an arbitrary image that can be visually recognized from the outside of the automatic driving vehicle 1. It is possible to Moreover, since these display panels 2 are in a transparent state when no image is displayed, it is possible to visually recognize the outside from the interior of the vehicle of the automatic driving vehicle 1 . Note that the display panel 2 does not necessarily have to be transparent.

A sensor 31 is arranged on the upper portion of the vehicle body 10 . Here, a sensor 31 is arranged above the roof 14 of the vehicle body 10 . The sensor 31 is composed of an imaging camera or LiDAR (light detection and ranging) having an imaging device such as a CCD or MOS, and is capable of detecting a person existing around the automatic driving vehicle 1. This sensor 31 may be configured using a sensor for detecting other vehicles or for detecting road conditions, which is equipped for automatic driving control.

FIG. 2 is a block diagram of the display control means 3 for controlling the display panel 2. As shown in FIG. The display control means 3 includes a viewer detection section 32 in addition to the sensor 31 . Based on the output of the sensor 31, the viewer detection unit 32 detects a viewer, particularly a human being present on the left side of the automatic driving vehicle 1 and viewing the left side display panel 2L. At the same time, the detected human position, especially the position relative to the automatic driving vehicle 1, is detected.

The display control means 3 also includes a door detection section 36 for detecting the open/closed state of the door 12 . The door detection section 36 is configured as a movable detection section that detects the open/closed state of the door 12 as a movable section. The open/closed state includes information on the open/closed movement position and the open/closed state of the door 12 .

Further, the display control means 3 has an image control section 33 for controlling the display form of the image displayed on the display panel 2 . The image control unit 33 is connected to a communication device 34 that is wirelessly connected to a base station, other vehicles, the Internet, etc. Data related to the display image is input via the communication device 34, and the input data is A corresponding image can be displayed on the display panel 2 . An input unit 35 is connected to the image control unit 33 , so that an image corresponding to data input by the occupant of the vehicle at the input unit 35 can be displayed on the display panel 2 .

The images to be displayed based on these data are advertisement images for advertisement, sign images such as road signs, character images such as messages for communication, and images such as symbols. Also, the image may be either a still image or a moving image. Furthermore, it may be a monochrome image or a color image.

The image control unit 33 can perform display control of the display panel 2L on the left side based on the viewer detected by the viewer detection unit 32 and the door opening/closing state detected by the door detection unit 36. It is said that As this display control, it is possible to suitably control the display form of the image displayed on the display panel 2L on the left side based on the detected positional information of the viewer.

A display control form of an image on the display panel 2 in the automatic driving vehicle 1 having the vehicle display device of this configuration will be described. FIG. 3 is a schematic external view for explaining the display control mode, in which the automatic driving vehicle 1 is parked. As shown in FIG. 3A, when the viewer detection unit 32 detects the viewer (human) M, the position information is detected. The image control unit 33 displays a desired image based on the data from the communication device 34 or the input unit 35 on the display panel on the side where the detected viewer M is present. In this example, since the viewer M is detected on the left side of the automatic driving vehicle 1, an image is displayed on the display panel 2L on the left side.

At this time, when the door detection unit 36 detects that the door 12 of the automatic driving vehicle 1 is closed, the image control unit 33 uses the entire surface of the display panel 2L on the left side, that is, the display panels 21 to 24 to display an image. display. Here, "ABCD" is displayed. Therefore, if there is enough space, the image can be enlarged and displayed, and the image can be easily confirmed even by the viewer M who is far away.

On the other hand, as shown in FIG. 3B, when the door 12 of the automatic driving vehicle 1 is opened, the door detection unit 36 detects that the door 12 has been opened, and the image control unit 33 receives this and causes the left side display to be displayed. The display form of the panel 2L is changed. That is, the front door 12F slides forward to cover the left front side surface 13F, and the rear door 12B slides backward to cover the left rear side surface 13B. As a result, the front left display panel 23 is covered by the front door 12F, the rear left display panel 24 is covered by the rear door 12B, and the images displayed on the front left display panel 23 and the rear left display panel 24 are hidden. .

Therefore, the image control unit 33 displays the image displayed on the left front display panel 23 on the front door display panel 21 . In this example, the image "A" displayed on the left front display panel 23 is combined with the image "B" displayed on the front door display panel 21 to display the image "AB" on the front door display panel 21.例文帳に追加Similarly, for the left rear display panel 24, the image "D" displayed on the left rear display panel 24 is combined with the image "C" displayed on the rear door display panel 22 to display the image on the rear door display panel 22. Display "CD".

At this time, if the display surfaces of the front and rear door display panels 21 and 22 do not have sufficient display space, the image may be displayed in a reduced size. Alternatively, a scroll display may be used in which images are displayed while being moved forward and backward. Further, when only one of the front and rear doors 12F, 12B is opened, such image control may be executed only for the display panels 21, 22 of that door. For example, when only the front door 12F is opened, the image of the front door display panel 21 of the front door 12F is moved, but the display state of the rear door display panel 22 of the rear door 12B is maintained.

Thus, even if the display panels 23 and 24 on the left side are covered with the doors when the front and rear doors 12 are opened, the hidden images are moved to the door display panels 21 and 22 and displayed. Accordingly, the viewer can continuously view the image. Thereby, the display effect in the display panel 2L can be enhanced.

FIG. 4 is a schematic external view for explaining a modification of the image display control mode. Here, when the front door 12F and the rear door 12B are slid open, they are accommodated inside the left front display panel 13F and the left rear display panel 13B, respectively. Therefore, when the doors 12F and 12B are opened, the front door display panel 21 and the rear door display panel 22 are hidden by the left front display panel 23 and the left rear display panel 24, respectively.

Therefore, the image control unit 33 displays the image displayed on the front door display panel 21 on the left front display panel 23 . In this example, the image "B" displayed on the front door display panel 21 is combined with the image "A" displayed on the left front display panel 23 to display the image "AB" on the left front display panel 23. - 特許庁The same applies to the rear door display panel 22, and the image "C" displayed on the rear door display panel 22 is combined with the image "D" displayed on the left rear display panel 24 to display the image on the left rear display panel 24. Display the image "CD".

Even in this case, if there is no room for display space on the display surfaces of the left front and rear display panels 23 and 24, the image may be displayed in a reduced size or scrolled. Also, when only one of the front and rear doors 12F and 12B is opened, such image control may be executed only for that door.

(Embodiment 2)
FIG. 5 is a schematic external view of the automatic driving vehicle of Embodiment 2. FIG. As shown in FIG. 5( a ), in this automatic driving vehicle 1 , a pair of double-opening hinged doors 12 that rotate about hinges 20 are arranged on the left side of the vehicle body 10 . The front door 12F arranged on the front side is in a state of covering the left front side surface 13F of the vehicle body 10 adjacent to the front side when fully opened forward. Further, when the rear door 12B arranged on the rear side is fully opened rearward, it is in a state of covering the left rear side surface 13B adjacent to the rear side.

On the left side, as in the first embodiment, a front door display panel 21 is arranged on the outer surface of the front door 12F as the left side display panel 2L, and a rear door display panel 22 is arranged on the outer surface of the rear door 12B. is set. A left front display panel 23 is arranged on the left front side surface 13F, and a left rear display panel 24 is arranged on the left rear side surface 13B. Further, a front door inner display panel 21a and a rear door inner display panel 22a are provided on the inner surfaces of the front door 12F and the rear door 12B, respectively.

As the display control form of the image on the display panel 2L in the automatic driving vehicle 1 of Embodiment 2, when the door 12 is closed, the image control unit 33 controls the entire surface of the display panel 2L on the left side in the same manner as the display form described above. to display the image. That is, images are displayed on the front door display panel 21, the rear door display panel 22, the left front display panel 23, and the left rear display panel 24, respectively. Here, for example, it is assumed that the image "ABCD" is displayed.

As shown in FIG. 5B, when the door 12 of the automatic driving vehicle 1 is opened, the door detection unit 36 shown in FIG. 2 detects that the door 12 is opened. The image control unit 33 maintains the current display until the door is opened by a predetermined angle or more. For example, in the figure, the front door display panel 21 displays an image "B" because the opening angle of the front door 12F is small. Thereby, the viewer can visually recognize the image "A" on the left front display panel 23 and the image "B" on the front door display panel 21. FIG.

On the other hand, when the door is opened to a predetermined angle or more, display change control is executed. For example, in the figure, the opening angle of the rear door 12B is increased, and the inner surface of the rear door 12B is directed outward. When the door detector 36 detects this state, the image controller 33 displays the image displayed on the rear door display panel 22 on the rear door inner display panel 22a. In this example, the image "C" displayed on the rear door display panel 22 is displayed on the rear door inside display panel 22a. Thereby, the viewer can view the image of the rear door 12B.

Furthermore, although illustration is omitted, when the rear door 12B is in a state close to being fully opened, the left rear display panel 24 is covered by the rear door 12B, so the image control unit 33 changes the image displayed on the left rear display panel 24. is displayed on the display panel 22a inside the rear door. In this case, the image "D" displayed on the left rear display panel 24 and the image "C" displayed on the rear door display panel 22 are combined to display the image "CD" on the rear door inside display panel 22a. will do.

Thus, when the front and rear doors 12F, 12B are opened, even if the display panels 21, 22 of the doors 12F, 12B are turned upside down and cannot be visually recognized, the doors 12F, 12B also allow the left side surfaces of the doors 12F, 12B to open. Even if the display panels 23 and 24 are covered and cannot be viewed, by displaying these images on the in-door display panels 21a and 22a, the viewer can view the images and obtain necessary information. . Thereby, the display effect of the display panel can be enhanced.

In the second embodiment, although not described, a door control section may be provided that can arbitrarily control the opening angle of the doors 12 (the front door 12F and the rear door 12B). When the viewer detection unit 32 detects the position of the viewer, the door control unit detects either the door display panels 21 and 22 on the outer surface of the door 12 or the in-door display panels 21a and 22a on the inner surface of the door 12. Control the angle so that it faces the front. Accordingly, by displaying an image on the display panel with the display panels 21, 21a, 22, and 22a of the door 12 facing the front of the viewer, the viewer can visually recognize the image in a suitable state. The display effect can be further enhanced.

(Embodiment 3)
FIG. 6 is a schematic external view of an automatic driving vehicle of Embodiment 3. FIG. As shown in FIG. 6A, the automatic driving vehicle 1 is provided with a sliding door 12 that opens and closes by sliding up and down on the left side of the vehicle body 10 . That is, the door 12 is composed of an upper door 12U that slides relative to the vehicle body 10 and a lower door 12D that slides relative to the upper door 12U. By moving these doors 12U and 12D to a position above the roof 14, the opening of the vehicle body 10 is opened. At this time, the lower door 12D is positioned on the front side of the upper door 12U.

Door display panels 25 and 26 are provided on the outer surfaces of the doors 12U and 12D, respectively. As in the first and second embodiments, a left front display panel 23 is arranged on the left front side surface of the vehicle body 10 sandwiching the doors 12U and 12D in the front and rear direction, and a left rear display panel 24 is arranged on the left rear side surface. is set.

As the display control form of the image on the display panel in the automatic driving vehicle 1 of Embodiment 3, when the door detection unit 36 detects that the door is closed, the image control unit 33 controls the upper and lower doors 12U and 12D. Images "B" and "C" are displayed on the door display panels 25 and 26, and images "A" and "D" are displayed on the left front display panel 23 and the left rear display panel 24, respectively. Here, for example, the image "ABCD" is displayed.

As shown in FIG. 6(b), the upper door 12U and the lower door 12D are slid upward and moved onto the roof 14. When the doors are opened, the door detector 36 detects that the doors are open. do. In response to this, the image control unit 33 maintains the images "A" and "D" displayed on the left front display panel 23 and the left rear display panel 24 as they are. Also, the images "B" and "C" displayed on the door display panels 25 and 26 are displayed side by side on the front door display panel 26. - 特許庁As a result, the viewer can easily view the image on the door display panel, and the display effect of the display panel for the viewer can be enhanced.

Alternatively, as shown in the schematic external view of FIG. 7, when the door is opened, the images "B" and "C" on the door display panel along with the images "A" and "D" are displayed on the left front display panel 23 and the left rear display panel. 24, respectively. When such image display control is performed, another image "EFGH" can be displayed on the door display panel 26 that has been moved upward. This image "EFGH" may display, for example, an image such as a billboard, an advertisement, or an advertisement for a service provided by an automatic driving vehicle. Alternatively, images of road signs or other signs may be displayed. By doing so, the door display panel can be used effectively, and the display effect for the viewer on the display panel can be enhanced.

(Embodiment 4)
FIG. 8 is a schematic external view of the automatic driving vehicle 1 of Embodiment 4 as seen from the right side. In this automatic driving vehicle 1, four windows 15 are arranged in a horizontal direction on the right side of the vehicle body 10. As shown in FIG. That is, it is composed of fixed windows 15C and 15D arranged on the left and right, and sliding windows 15A and 15B that slide left and right, respectively. Display panels 21' to 24' forming the right side display panel 2R are arranged on the outer surfaces of these windows 15A to 15D, respectively.

A desired image is displayed by the image control section 33 on the display panels 21' to 24'. Here, images "ABCD" are displayed from the left on the display panels 21' to 24'. When the sliding windows 15A and 15B are opened while the automatic driving vehicle 1 is stopped or running and they are superimposed on the front side of the fixed windows 15C and 15D, the display panels 23' and 24' of the fixed windows 15C and 15D display The images "C" and "D" that are present in the image cannot be visually recognized.

The image control unit 3 displays the images "C" and "D" of the display panels 23' and 24', which are superimposed and cannot be visually recognized, on the display panels 21' and 22' of the slide windows 15A and 15B. As a result, the image "ABCD" is displayed on the display panels 21' and 22', and the viewer can view the image that was displayed before the window was opened. can be enhanced.

Although not shown, the display control means 3 shown in FIG. 2 is provided with a window detection section. The window detection section detects the open/closed state of the window 15. Based on this detection, the display panel 21 of the window 15 ' to 24' may be configured to control the image displayed.

In the first to fourth embodiments described above, the display form of the image on the display panel arranged on the outer surface of the vehicle body of the automatic driving vehicle has been described. , and the present invention can be similarly applied to an automatic driving vehicle in which the image displayed on the display panel is visually recognized in the vehicle interior.

For example, when display panels are provided on the door and on the wall surface of the vehicle interior, when the door is opened, the image displayed on the display panel overlapping the door can be viewed by a viewer in the vehicle interior. Gone. Therefore, by displaying the image displayed on the hidden display panel on the other display panel, the viewer can visually recognize the image.

Also in the fourth embodiment, when the display panels are arranged on the inner surfaces of the windows, when the windows are opened, the windows overlap each other, so that the display panel of one of the windows is covered by the other, A viewer in the vehicle compartment cannot visually recognize the image. Therefore, by displaying the image displayed on the hidden display panel on the other display panel, the viewer can visually recognize the image.

In Embodiments 2 to 4, when the image of the obscured display panel is displayed on another display panel, if the display panel does not have enough space to display these images, the same operation as in Embodiment 1 is performed. Images may be displayed in a reduced size or may be displayed by scrolling.

The self-driving car of the embodiment can also be applied to public transportation, for example, a bus. The display control in the present invention can be applied when the door is opened and closed.

In the present invention, not only the display position of the image is controlled, but also the size of the image may be controlled, and the shape and brightness (including brightness, saturation and contrast) of the image may be changed and controlled. Also, the image to be displayed may be a moving image.

In the embodiment, an example is shown in which the viewer is a person, especially a pedestrian, but the viewer in the present invention may be a person riding in another vehicle. In addition, in Embodiments 1 to 4, an image is displayed when a viewer is detected, but it is also possible to perform image display control without detecting the presence of a viewer. Furthermore, without detecting the opening and closing of the door or window, the occupant of the automatic driving vehicle or an outside person may manually control the display of the image through the input unit. For example, display control may be performed by a portable communication device such as a smartphone.

The present invention is not limited to the display device of an automatic driving vehicle, but can be applied to vehicles having display panels on the doors and windows of the vehicle body. Further, the display panels provided on the vehicle may not necessarily be arranged on all four side surfaces of the vehicle body. Furthermore, the display panel may be a projector-type display panel that provides a screen on the vehicle body and projects an image onto this screen.

1 Self-driving car (vehicle)
2 (2F, 2B, 2R, 2L) display panel 3 display control means 10 vehicle body 12 door 12F, 12B, 12U, 12D sliding door (movable part)
15 Window 15A, 15B Slide window (movable part)
21 to 26, 21' to 24' display panel 31 sensor (viewer detection means)
32 viewer detection unit (viewer detection means)
33 Image control unit (image control means)
34 communication device 35 input unit 36 door detection unit (movable detection means)

Claims (9)

A display panel disposed on the body of a vehicle for displaying a desired image, and display control means for controlling the image displayed on the display panel, wherein the display panel is provided on the vehicle body and includes a movable portion. The display control means includes image control means for controlling a display form of an image when the movable part is operated, and the image control means hides the display by the operation of the movable part. A display device for a vehicle, wherein an image displayed on one display panel is displayed on another display panel . 2. The vehicle display device according to claim 1 , wherein the image control means displays a different image on a display panel provided on the movable portion when the movable portion is operated. 3. The vehicle display device according to claim 1 , wherein the movable portion is a door or a window provided on the vehicle body, and the image control means performs display control based on the opening/closing operation of the door or the window. The image control means performs display control between a display panel that overlaps the door or the window when the door or the window is opened and closed, and a display panel that is arranged on the door or the window. Item 4. The vehicle display device according to item 3 . 5. The vehicle according to any one of claims 1 to 4 , further comprising a movable detection section for detecting an operating state of said movable section, and said image control means controls a display form based on a detection output of said movable detection section. display device. 3. The vehicle display device according to claim 1, wherein said image control means controls the size, shape and brightness of an image to be displayed. 7. The vehicle display device according to any one of claims 1 to 6 , wherein the images include moving images. The vehicle display device according to any one of claims 1 to 7 , wherein the vehicle is an automatic driving vehicle, and the display panel is arranged on a vehicle body of the automatic driving vehicle. The vehicle is provided with a communication device wirelessly connected to the outside, and the image control means controls an image to be displayed and its display form based on a signal received by the communication device or based on an instruction from an occupant of the vehicle. Item 9. The vehicle display device according to Item 8 .

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