JP2021155036A - Display unit - Google Patents

Abstract

To provide a display unit that can display content information at an appropriate position while reducing the number of display parts.SOLUTION: A display unit moves the position of a center multimedia display 102 according to a driving state of a vehicle, that is, moves the display to a second position where a driver can easily visually recognize the display in an automatic driving state and moves the display to a first position where the display does not become an obstacle when the driver visually recognizes the outside of the vehicle in a manual driving state, and thereby can display content information at an appropriate position. The display unit is not required to independently provide a display part for the automatic driving state and a display part for the manual driving state, and thereby can reduce the number of the display parts.SELECTED DRAWING: Figure 2

Description

The present invention relates to a display device provided on a moving body.

In general, when a moving body such as a vehicle is in an automatic driving state, the need for the passenger to visually recognize information outside the vehicle is reduced. It is believed that images (content information) such as movies and video clips can be displayed.

As such a display method, a method has been proposed in which two displays (display units) are provided, the state of one display is changed according to the driving mode of an automobile (moving body), and the main display is switched (for example,). See Patent Document 1). In the method described in Patent Document 1, in the manual operation mode, the in-dash display is used as the main display, and the front display above the dashboard is in a front unobstructed state (a state in which the driver's front view is not obstructed). On the other hand, in the automatic driving mode, the front display is used as the main display and the front display is set in a front shielding state (a state in which the driver's front view is blocked). The content information is displayed on the main display selected according to the operation mode in this way.

Japanese Unexamined Patent Publication No. 2016-196228

However, in the display system described in Patent Document 1, displays other than the main display (particularly the front display in the front unshielded state) cannot be effectively used, and the number of required displays increases. There was an inconvenience.

Therefore, as an example, an object of the present invention is to provide a display device capable of displaying content information at an appropriate position while reducing the number of display units.

In order to solve the above-mentioned problems and achieve the object, the display device of the present invention according to claim 1 has a detection unit that detects whether the moving body is in an automatic driving state or a manual driving state, and content information. The content display unit includes a content display unit for displaying the above and a control unit for moving the position of the content display unit. The control unit includes the content display unit according to the operating state of the moving body detected by the detection unit. It is characterized by moving the position of.

It is a perspective view of the display system which has the display device which concerns on embodiment of this invention. It is a front view of the display system shown in FIG. 1 as seen from the driver's seat. It is explanatory drawing which showed the relationship between the windshield light shown in FIG. 1 and a driver. It is a block diagram which showed the functional structure of the display system shown in FIG. It is a flowchart which shows an example of the procedure of the display part movement processing executed by the control part of the display device. It is a side view which shows the display device which concerns on the modification of this invention.

Hereinafter, embodiments of the present invention will be described. The display device according to the embodiment of the present invention moves the positions of the detection unit that detects whether the moving body is in the automatic driving state or the manual driving state, the content display unit that displays the content information, and the content display unit. It is provided with a control unit for making the operation. The control unit moves the position of the content display unit according to the operating state of the moving body detected by the detection unit.

By moving the position of the content display unit according to the operating state of the moving body, the content display unit is moved to a position that is easy for the passenger to see in the automatic driving state, and the content display unit is moved in the manual driving state. , It is possible to move the passenger to a position that does not hinder the passenger when visually recognizing the outside of the moving body. That is, the content information can be displayed at an appropriate position. At this time, it is not necessary to independently provide the display unit for the automatic operation state and the display unit for the manual operation state, and the number of display units can be reduced. In the manual operation state, the content information may or may not be displayed on the content display unit.

When the moving body is in the automatic driving state, the control unit preferably moves the position of the content display unit after the content information to be displayed on the content display unit is selected. As a result, the position of the content display unit is moved after the passenger selects the content information, and the effectability can be improved. In addition, when the content information is not displayed in the automatic driving state, the position of the content display unit does not move, and the passenger can easily see the outside of the moving body. Can be switched.

The operation information display unit that displays the operation information of the moving body is further provided, and the control unit can move the content display unit to a position horizontally adjacent to the operation information display unit when the moving body is in the automatic operation state. preferable. As a result, in the automatic driving state, the passenger can easily visually recognize the operation information while visually recognizing the content information. Therefore, for example, it becomes easier for the passenger to make a judgment such as switching to automatic driving according to the operation information.

An optical information display unit that displays information by turning on or blinking a light is further provided, and the control unit places the content display unit adjacent to the optical information display unit in the line of sight of the passenger when the moving body is in the automatic driving state. It is preferable to move it to a position. As a result, in the automatic driving state, the passenger can easily visually recognize the optical information display unit while visually recognizing the content information. The optical information display unit, for example, lights or blinks in synchronization with a moving object's direction indicator, hazard lamp, or brake lamp, or the moving object and surrounding objects (other moving objects, pedestrians, obstacles on the road surface, etc.). Anything that lights up or blinks to warn of the approaching with. At this time, the information displayed on the optical information display unit may overlap with or be different from the information displayed on the operation information display unit. Further, the optical information display unit may be lit or blinked in a color corresponding to the information to be displayed. Further, the light information display unit may be formed in a linear shape, for example, and may be lit or blinked in an effect that the light moves in one direction by shifting the lighting timing at each position on the line. ..

The control unit further includes an angle acquisition unit that acquires the reclining angle of the seat of the moving body, and the control unit moves the content display unit to a position corresponding to the reclining angle acquired by the angle acquisition unit when the moving body is in the automatic driving state. It is preferable to let it. When the reclining angle of the seat changes, the direction of the line of sight of the seated person (passenger) also changes. By moving the content display unit to a position corresponding to the reclining angle, the content display unit can be easily made visible to the passenger.

The display device control method according to the embodiment of the present invention detects whether the moving body is in an automatic driving state or a manual driving state, and displays content information according to the detected driving state of the moving body. Move the position of the part. According to such a method, the content information can be displayed at an appropriate position while reducing the number of display units as described above.

A control program may be used in which a computer executes such a control method of the display device. Further, this control program may be stored in a computer-readable recording medium. By doing so, the program can be distributed as a single unit in addition to being incorporated in the device, and version upgrades and the like can be easily performed.

A display device according to an embodiment of the present invention will be described with reference to FIGS. 1 to 5. FIG. 1 is a perspective view of a display system 100 having a display device according to this embodiment. The display system 100 includes a plurality of display units (displays) installed around the driver's seat SH of the vehicle as an example of a moving body. FIG. 2 is a front view of the driver's seat SH as viewed from the front.

A steering wheel H is provided in front of the driver's seat SH, and a driver display 101 as an operation information display unit is provided in the back side of the steering wheel H. On the driver display 101, the speedometer, the fuel gauge, and the outside information (operation information of the moving body) acquired by the outside information acquisition unit 2 described later are displayed by characters, images, and the like.

A control panel 104 is provided on the right side (passenger seat side) of the driver's seat SH. The control panel is used to input operations such as 104, air conditioner and navigation system settings, and input operations such as selection and playback of video (content information) such as TV programs, movies, and video clips.

A center multimedia display 102 as a content display unit is provided on the upper side of the control panel 104 (on the right side of the driver display 101). The center multimedia display 102 displays a map and guidance of the navigation system, and displays the above-mentioned content information, for example, during automatic driving.

The center multimedia display 102 is configured to be movable in a direction as described later by a moving unit 105. The moving portion 105 includes, for example, a protruding guided portion provided on the back surface of the center multimedia display 102, a guide rail for guiding the guided portion, and a driving portion such as a motor for moving the guided portion. The center multimedia display 102 is moved along the guide rail. In this embodiment, the moving unit 105 moves the center multimedia display 102 in a direction having an inclination toward the front side toward the upper side as well as along the vertical direction.

The windshield light 103 as an optical information display unit is composed of light emitting elements such as an LED (light emitting diode) and an organic EL (Electro Luminescence), and can emit light in a plurality of emission colors. In this embodiment, as shown in FIG. 2, the shape is elongated in the left-right direction when viewed from the driver, but the shape is not limited to this. However, the size (length) of the windshield light 103 is preferably larger than the icons, indicators, characters, etc. displayed in the driver display 101.

As shown in FIG. 3, the windshield light 103 is embedded in the dashboard on the back side of the driver display 101. When the windshield light 103 lights up or blinks from the dashboard toward the windshield W (also referred to as a windshield), the lighting or the like is reflected in the windshield W (W1 in FIG. 3), and the driver D sees the driver. It can be visually recognized as being displayed above the display 101. Further, a diffusion plate may be installed in the light path of W1 in FIG. 3 in which the lighting of the windshield light 103 and the like from the inside of the dashboard and the lighting and the like are reflected. This makes it possible to improve the visibility of the lighting and the like reflected in the windshield W. In this embodiment, the windshield lights 103 are provided in pairs (103a, 103b) at two locations on the right side and the left side when viewed from the driver's seat (see FIG. 2).

The windshield light 103 is not limited to being embedded in the dashboard, and may be arranged below the windshield W at a position (on the dashboard or the like) that the driver can directly see. Alternatively, it may be installed on the upper part of the driver display 101. That is, it may be arranged in front of the driver's seat. Further, for example, it is preferable that the driver display 101 is arranged at a position where the movement of the line of sight from the driver display 101 is small.

Next, the functional configuration of the display system 100 having the above-described configuration will be described with reference to FIG. As shown in FIG. 4, the display system 100 includes the driver display 101, the center multimedia display 102, the windshield light 103, the control panel 104, and the moving unit 105, as well as the vehicle exterior information acquisition unit 2 and the vehicle interior information. It includes an acquisition unit 3, a content information acquisition unit 4, a detection unit 5, and a control unit 6.

The vehicle exterior information acquisition unit 2 was obtained by, for example, a sensor that detects the surrounding conditions such as LIDAR (Laser Imaging Detection and Ranging, Laser Illuminated Detection and Ranging) or LiDAR (Light Detection and Ranging), or a camera that photographs the outside of the vehicle. Acquire information outside the vehicle (presence / absence of surrounding vehicles, presence / absence of obstacles including pedestrians, etc.). Specifically, the interface circuit of a sensor such as LIDAR functions in the vehicle exterior information acquisition unit 2.

The in-vehicle information acquisition unit 3 includes information acquired from each sensor installed in the vehicle, such as running speed and remaining amount of fuel, and driving control information such as brakes and direction indicators that are automatically operated during automatic driving. Acquire information about the driver himself, such as the driver's drowsiness. Specifically, the in-vehicle information acquisition unit 3 functions as an interface circuit or the like with each sensor in the vehicle, an automatic driving control device, or the like.

The content information acquisition unit 4 acquires content information to be displayed on the center multimedia display 102 from a storage device such as a hard disk (not shown), an optical device such as a DVD drive, a content server outside the vehicle, or the like. Specifically, the content information acquisition unit 4 functions as an interface circuit with a storage device, a communication device with the outside, and the like.

The detection unit 5 detects whether the vehicle as a moving body is in an automatic driving state or a manual driving state by receiving a signal from, for example, an operation unit for switching the driving state provided on the steering wheel H. The in-vehicle information acquisition unit 3 may function as a detection unit.

The control unit 6 displays the driver display 101, the center multimedia display 102, and the windshield light 103 based on various information acquired by the vehicle exterior information acquisition unit 2, the vehicle interior information acquisition unit 3, the content information acquisition unit 4, and the detection unit 5. , And control the moving unit 105. Specifically, the control unit 6 functions as a control circuit such as a CPU (Central Processing Unit).

The control unit 6 obtains information such as the running speed and the remaining amount of fuel or the driver's drowsiness acquired by the in-vehicle information acquisition unit 3 and the information around the vehicle acquired by the out-of-vehicle information acquisition unit 2 by numerical values, images, and the like. It is displayed on the driver display 101. Further, as will be described later, the control unit 6 reproduces the content information acquired by the content information acquisition unit 4 and displays it on the center multimedia display 102.

Further, the control unit 6 displays a part of the information acquired by the vehicle exterior information acquisition unit 2 and the vehicle interior information acquisition unit 3 during automatic driving by turning on or blinking the windshield light 103. For example, during automatic operation, both the windshield lights 103a and 103b are lit in blue. Further, for example, when switching between automatic driving and manual driving depending on the traveling route or the like, the vehicle blinks in purple from a predetermined time before the end of automatic driving based on the time to the switching point to manual driving. That is, it is displayed that it is within a predetermined time of the end of automatic operation. It should be noted that it may be started from a predetermined distance before the end of the automatic operation.

Further, the windshield lights 103a and 103b may function as direction indicators, or may display hazard lamp lighting, braking, reverse movement, emergency stop, and the like. In addition, when an obstacle or the like is detected around the vehicle, the windshield light near the obstacle may be blinked in purple, for example, and the windshield light far from the obstacle may be turned on in blue to indicate that the vehicle is in automatic driving. good. Further, the windshield lights 103a and 103b display information indicating the driver's condition such as guidance information of the navigation system such as arrival at the destination and the driver's drowsiness condition in addition to the information regarding the condition around the vehicle. You may do so. When displaying the windshield lights 103a and 103b, the windshield lights 103a and 103b may be transmitted to the driver or a passenger by a combination of a lighting color and lighting or blinking. In addition to the display by the windshield lights 103a and 103b, the detailed contents of the information may be displayed on the driver display 101 with characters, images, or the like.

Further, the control unit 6 controls the moving unit 105 according to the operating state detected by the detecting unit 5, and moves the position of the center multimedia display 102. Specifically, when the vehicle is in the manual driving state, the moving unit 105 moves the center multimedia display 102 to the first position shown in FIG. 2 (A). The first position is a position where the center multimedia display 102 is aligned horizontally with the steering wheel H and is lower than the windshield W (that is, it does not hinder the driver D as a passenger when visually recognizing the outside of the vehicle. Position).

When the vehicle is in the automatic driving state, the center multimedia display 102 is illustrated by the moving unit 105 after the content information to be displayed on the center multimedia display 102 is selected by inputting an operation to the control panel 104 or the like. Move to the second position shown in 2 (B). In the second position, the center multimedia display 102 is adjacent to the driver display 101 in the horizontal direction and is adjacent to the lower side of the windshield light 103b in the line of sight of the driver D (that is, the driver D visually recognizes the position). Easy position).

The driver display 101, the center multimedia display 102, the windshield light 103, the moving unit 105, the detection unit 5, and the control unit 6 described above constitute a display device 1 according to an embodiment of the present invention. do.

Here, an example of the display unit movement process executed by the control unit 6 will be described with reference to the flowchart of FIG. A display control program can be obtained by configuring this flowchart as a computer program executed by the control unit 6.

The control unit 6 starts the display unit movement process when the vehicle starts operating, and determines whether or not the vehicle is in the manual driving state (step S1). When the vehicle is in the manual driving state (Y in step S1), the control unit 6 controls the moving unit 105 to move the center multimedia display 102 to the first position (step S2). Following step S2, the control unit 6 determines whether or not the vehicle is in the automatic driving state (step S3). If the vehicle is not in the manual driving state (N in step S1), the control unit 6 proceeds to step S3.

When the vehicle is in the automatic driving state (Y in step S3), the control unit 6 determines whether or not the content information is selected (step S4). When the content information is selected (Y in step S4), the control unit 6 controls the moving unit 105 to move the center multimedia display 102 to the second position (step S5), and returns to step S1. When the content information is not selected (N in step S4), the control unit 6 returns to step S3. If the vehicle is not in the automatic driving state (N in step S3), the control unit 6 returns to step S1.

With the above configuration, by moving the position of the center multimedia display 102 according to the driving state of the vehicle, it is moved to the second position that is easy for the driver to see in the automatic driving state, and the driver in the manual driving state. Can be moved to the first position, which is less likely to interfere with the visual inspection of the outside of the vehicle. That is, the content information can be displayed at an appropriate position. At this time, it is not necessary to independently provide the display unit for the automatic operation state and the display unit for the manual operation state, and the number of display units can be reduced.

When the vehicle is in the automatic driving state, the effectability can be improved by moving the position of the center multimedia display 102 after the content information is selected. Further, when the content information is not displayed in the automatic driving state, the center multimedia display 102 does not move to the second position, and the driver can easily see the outside of the vehicle. Can be switched.

Since the center multimedia display 102 is adjacent to the driver display 101 in the horizontal direction at the second position, the driver can easily visually recognize the operation information while visually recognizing the content information in the automatic driving state. Therefore, for example, it becomes easy for the driver to make a judgment such as switching to manual operation according to the operation information.

Since the center multimedia display 102 is adjacent to the windshield light 103b in the driver's line of sight at the second position, the driver can easily see the windshield light 103b while visually recognizing the content information in the automatic driving state. .. This makes it easier for the driver to notice the warning or the like caused by the windshield light 103b.

The present invention is not limited to the above-described embodiment, but includes other configurations and the like that can achieve the object of the present invention, and the following modifications and the like are also included in the present invention.

For example, in the above embodiment, when the vehicle is in the automatic driving state, the center multimedia display 102 is horizontally adjacent to the driver display 101 and is located below the windshield light 103b in the line of sight of the driver D. Although it is supposed to be moved to the adjacent second position, it may be moved to another position. That is, as shown as a modification in FIG. 6, the center multimedia display 102 may be moved to a position corresponding to the reclining angle of the driver's seat SH in the automatic driving state.

In the example shown in FIG. 6, the driver's seat SH is provided with an angle acquisition unit 106 for acquiring the reclining angle (inclination angle of the backrest) of the seat. The angle acquisition unit 106 acquires the reclining angle by actually measuring the inclination angle of the backrest. A drive unit may be provided in the driver's seat SH so as to automatically change the reclining angle according to the driving state of the vehicle. In this case, the angle acquisition unit is transmitted from the control unit 6 to the drive unit. The reclining angle may be acquired based on the signal, and may not be provided in the driver's seat SH.

In the automatic driving state, the backrest of the driver's seat SH can be tilted to make the reclining angle close to horizontal, so that the center multimedia display 102 is moved to a position corresponding to the reclining angle of the driver's seat SH. This makes it easier for passengers to see the center multimedia display 102. At this time, depending on the reclining angle, the center multimedia display 102 may be adjacent to the driver display 101 in the horizontal direction as in the second position, or may be adjacent to the windshield light in the line of sight, or may be adjacent to the center. The multimedia display 102 may be away from the driver display 101 and the windshield light. Further, as shown in the illustrated example, the center multimedia display 102 may be moved to a position where it overlaps with the windshield W. Further, the reclining angle of the driver's seat SH may be adjusted by a drive unit (not shown) so that the driver D can easily see the center multimedia display 102 according to the position of the center multimedia display 102.

Further, in the above embodiment, the position of the center multimedia display 102 is moved after the content information is selected when the vehicle is in the automatic driving state, but the center multimedia display 102 is moved at an appropriate timing. The center multimedia display 102 may be moved immediately after the detection of the automatic operation state.

Further, in the above embodiment, the moving unit 105 moves the center multimedia display 102 as the content display unit along the vertical direction, but it may be moved in the horizontal direction. For example, in the manual driving state, the content display unit may be moved to the front of the passenger seat, and in the automatic driving state, the content display unit may be moved to the front of the driver's seat or the front of the intermediate position between the driver's seat and the passenger seat. good. In the case of moving in this way, even if the content information is displayed on the content display unit in the manual driving state, it is difficult for the driver to see the content and the driving is not hindered.

In addition, the best configuration, method, and the like for carrying out the present invention are disclosed in the above description, but the present invention is not limited thereto. That is, the present invention is particularly illustrated and described primarily with respect to specific embodiments, but without departing from the scope of the technical ideas and objectives of the present invention, with respect to the embodiments described above. , Materials, quantities, and other detailed configurations can be modified by those skilled in the art. Therefore, the description that limits the shape, material, etc. disclosed above is merely an example for facilitating the understanding of the present invention, and does not limit the present invention. Therefore, those shapes, materials, etc. The description by the name of the member which removes a part or all of the limitation such as is included in the present invention.

1 Display device 5 Detection unit 6 Control unit 101 Driver display (operation information display unit)
102 Center multimedia display (content display)
103 Windshield light (optical information display)
106 Angle acquisition section

Claims (1)

A detector that detects whether the moving body is in an automatic operation state or a manual operation state,
A content display unit that displays content information and
A control unit for moving the position of the content display unit is provided.
The control unit is a display device characterized in that the position of the content display unit is moved according to the operating state of the moving body detected by the detection unit.

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