JP2015168388A - On-vehicle display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an on-vehicle display device capable of improving visibility so that an operator can select a desired content and display it, among many contents which can be displayed.SOLUTION: The on-vehicle display device comprises: main display means for displaying information selected by operation; sub display means for displaying candidates of pieces of information which can be selected by operation, according to the information displayed by the main display means; main stereoscopic vision means for making display of the main display means stereoscopically viewed; and sub stereoscopic vision means for making display of the sub display means stereoscopically viewed. The main stereoscopic vision means and sub stereoscopic vision means are different stereoscopic vision means, each other.

Description

  The present invention relates to an in-vehicle display device.

  2. Description of the Related Art Conventionally, an in-vehicle display device that improves visibility by placing a Fresnel lens and a convex lens, which are optical enlargement means, on a viewer side of a liquid crystal panel so that a specified area of the liquid crystal panel can be visually recognized as a virtual image larger than the substance. (For example, Patent Document 1).

JP 2005-257333 A

  By the way, the in-vehicle display device may be configured to display a large amount of content. In this case, the driver needs to select and display desired content from many contents.

  However, in the improvement in visibility due to the effect as described in Patent Document 1 described above, there is a case where the content that is a selection candidate displayed on the in-vehicle display device can be easily recognized and the desired content cannot be selected appropriately. . For example, when displaying the selected content by scrolling the screen in the left-right direction, it is not known in which direction the desired content can be reached by scrolling, and the driver performs an appropriate operation. You may not be able to.

  Accordingly, in view of the above-described problem, an in-vehicle display device capable of improving visibility so that an operator can appropriately select and display desired content from among many contents that can be displayed is provided. With the goal.

In order to achieve the above object, in one embodiment, an in-vehicle display device is:
Main display means for displaying information selected by operation;
Sub display means for displaying candidate information that can be selected by an operation according to the information displayed on the main display means;
Main stereoscopic means for stereoscopically displaying the display of the main display means;
Sub-stereoscopic means for stereoscopically displaying the display of the sub-display means,
The main stereoscopic means and the sub-stereoscopic means are different stereoscopic means.

  According to the present embodiment, there is provided an in-vehicle display device capable of improving visibility so that an operator can appropriately select and display desired content from among many contents that can be displayed. be able to.

It is a figure which shows roughly an example of the structure in a vehicle-mounted display apparatus, and the aspect in the vehicle interior. It is a figure which shows an example of a structure of the display part of a vehicle-mounted display apparatus. It is sectional drawing which shows roughly the principal part cross section of the display part of a vehicle-mounted display apparatus. It is a block diagram which shows an example of a structure of a vehicle-mounted display apparatus. It is a figure which shows an example of the display mode of a main display area and a sub display area. It is a figure which shows the other example of the display mode of a main display area and a sub display area.

  Hereinafter, embodiments for carrying out the invention will be described with reference to the drawings.

  FIG. 1 is a diagram illustrating an example of a configuration of an in-vehicle display device 1 according to the present embodiment and an aspect in the vehicle interior.

  The in-vehicle display device 1 includes a display unit 10, a display control unit 20, a steering switch 30, an external terminal 40, and the like.

  The display unit 10 is a display unit that displays information (contents) regarding vehicle-mounted devices (for example, navigation devices, audio devices, etc.), vehicle information (for example, travel distance, fuel consumption, remaining fuel amount, etc.) and the like. The display part 10 is arrange | positioned in the position which the display can visually recognize from the driver ahead of a steering wheel. That is, the display unit 10 is arranged in a so-called meter hood.

  The display unit 10 includes a liquid crystal display 11, and the liquid crystal display 11 includes a main display area 11m and a sub display area 11s. In other words, the display unit 10 includes a main display area 11m of the liquid crystal display 11 as the main display means, and a sub display area 11s of the liquid crystal display 11 as the sub display means in addition to the main display means.

  The main display area 11m occupies the center part of the elliptical range of the liquid crystal display 11 that can be visually recognized by a driver or the like in the passenger compartment, and has an outer edge formed of a circle. Of the selectable information (content), content selected via a steering switch 30 described later is displayed in the main display area 11m. For example, when information about the navigation device (map information) is selected, an information screen for map information may be displayed in the main display area 11m.

  The sub display area 11s occupies the left and right end portions of the elliptical range of the liquid crystal display 11 that can be visually recognized by a driver or the like in the passenger compartment, excluding the central portion occupied by the main display area 11m described above. In the sub display area 11s, information (content) candidates that can be selected by an operation by the steering switch 30 are displayed according to information (content) displayed in the main display area 11m.

  Details of images (screens) displayed in the main display area 11m and the sub display area 11s will be described later.

  The display control unit 20 is a control unit that controls an image (screen) to be displayed on the display unit 10 (liquid crystal display 11). Specifically, an image (screen) to be displayed in each of the main display area 11m and the sub display area 11s of the display unit 10 is determined according to the operation of the driver by the steering switch 30. Further, according to the determination, an image signal is generated and output to the display unit 10 (liquid crystal display 11). The display control unit 20 may be configured by a microcomputer, and may execute various control processes by executing various programs stored in the ROM on the CPU.

  The steering switch 30 is an operation means for operating a screen displayed on the display unit 10 (main display area 11m of the liquid crystal display 11). The steering switch 30 includes a switch that indicates an operation direction (for example, an upward direction, a downward direction, a left direction, and a right direction), and information that is displayed on the display unit 10 (main display area 11m) according to the operation direction instruction by the switch. (Content) can be selected. For example, the information (contents) displayed in the main display area 11m may be changed by forward feed each time a switch that instructs the left or right operation of the steering switch 30 is operated.

  The external terminal 40 is configured to be connectable to the display control unit 20 regardless of wired or wireless (for example, WiFi (registered trademark), Bluetooth (registered trademark), etc.), and displays internal information via the display control unit 20. It can be displayed on the part 10 (main display area 11m of the liquid crystal display 11). The external terminal 40 may be a mobile terminal such as a smartphone, for example.

  Next, the details of the configuration of the display unit 10 will be described.

  FIG. 2 is a diagram illustrating an example of the configuration of the display unit 10.

  In addition to the liquid crystal display 11 described above, the display unit 10 includes a stereoscopic means 12 and a bezel 13 for stereoscopically viewing an image displayed on the liquid crystal display 11 (the main display area 11m and the sub display area 11s).

  The stereoscopic means 12 includes a convex lens (clear lens) 12m that allows the driver or the like to stereoscopically display the display of the main display area 11m, and a Fresnel lens 12s that allows the driver or the like to stereoscopically display the sub display area 11s. By making different specific means for stereoscopic viewing between the main display area 11m and the sub display area 11s, it is possible to emphasize the difference in the display contents of the main display area 11m and the sub display area 11s. Become.

  The bezel 13 is a member that holds the stereoscopic means 12 and is a member that is provided to emphasize the outer edge of the display of the liquid crystal display 11 (the main display area 11m and the sub display area 11s) when viewed from the driver side. is there.

  As shown in FIG. 2, the display unit 10 is configured by disposing the stereoscopic means 12 held by the bezel 13 on the front surface of the liquid crystal display 11 (the driver side in the passenger compartment).

  Here, FIG. 3 is a cross-sectional view schematically showing a cross-section of the main part of the display unit 10, and specifically, the display unit 10 corresponding to the AA cross section in the stereoscopic means 12 and the bezel 13 of FIG. FIG.

  As shown in FIG. 3, the stereoscopic means 12 held by the bezel 13 is positioned on the front surface of the liquid crystal display 11 (the driver side in the passenger compartment). Specifically, the convex lens 12m is positioned in front of the display surface of the main display region 11m of the liquid crystal display 11 in the normal direction, and the Fresnel lens 12s is positioned in front of the display surface of the sub display region 11s in the normal direction. In addition, the stereoscopic means 12 is arranged. As a result, when the image displayed on the liquid crystal display 11 is viewed from the driver side, the image displayed in the main display area 11m and the image displayed in the sub display area 11s differ in appearance. The difference in display contents between the display area 11m and the sub display area 11s can be emphasized.

  Next, a detailed configuration of the in-vehicle display device 1 according to the present embodiment, in particular, a detailed configuration of the display control unit 20 will be described.

  FIG. 4 is a block diagram illustrating an example of a detailed configuration of the in-vehicle display device 1. Hereinafter, description will be made focusing on the detailed components of the display control unit 20 that is newly shown.

  The display control unit 20 includes a vehicle interface (hereinafter referred to as a vehicle I / F) 21, an external connection interface (hereinafter referred to as an external connection I / F) 22, a display information buffer unit 23, a drawing interface (referred to as a drawing I / F). 24) etc.

  The vehicle I / F 21 is configured to be able to acquire an operation signal corresponding to an operation on the steering switch 30 via an in-vehicle LAN such as a direct line or a CAN (Controller Area Network), and the operation information is displayed on the display information buffer unit 23. Output to. In addition, the vehicle I / F 21 receives information on vehicle status (for example, detection signals from various sensors mounted on the vehicle (vehicle speed sensor, fuel fuel gauge, etc.) and various types via a vehicle-mounted LAN such as a direct line or CAN. Information output from the ECU (fuel consumption information, etc.) can be acquired. Then, the information is output to the display information buffer unit 23.

  The external connection I / F 22 is configured to be able to communicate with the external terminal 40 by, for example, WiFi (registered trademark), Bluetooth (registered trademark), etc., and selects information (for example, music data, map data, etc.) in the external terminal 40 Are obtained and output to the display information buffer unit 23.

  The display information buffer unit 23 is a storage unit that accumulates (buffers) information (original information) that is a source of content to be displayed on the display unit 10. Specifically, information (vehicle information) and operation signals related to the vehicle status output from the vehicle I / F 21 and information from the external terminal 40 output from the external connection I / F 22 are buffered. Further, the display information buffer unit 23 draws original information related to the screen to be displayed on the liquid crystal display 11 (main display area 11m, sub display area 11s) in accordance with an operation signal from the steering switch 30, vehicle information, or the like. Output to / F24.

  The drawing I / F 24 is displayed on the main display area 11m and the sub display area 11s of the liquid crystal display 11 based on the original information output from the display information buffer unit 23 in accordance with the operation signal from the steering switch 30, vehicle information, and the like. The image (screen) to be determined is determined, and the image is generated. The generated image signal is output to the liquid crystal display 11. At this time, the drawing I / F 24 generates an image signal so that the main display area 11m and the sub display area 11s of the liquid crystal display 11 display different contents. For example, when an operation signal corresponding to an operation for changing the content displayed in the main display area 11m is output from the steering switch 30, the changed content screen generates an image signal displayed in the main display area 11m. Output to the liquid crystal display 11. At this time, the image signal is generated so that a screen corresponding to the content screen displayed in the main display area 11m is displayed in the sub display area 11s.

  In this example, the elements included in the display control unit 20 are integrally configured. However, the above-described elements may be configured separately.

  Next, the operation of the in-vehicle display device 1 according to this embodiment will be described.

FIG. 5 is a diagram illustrating an example of a display mode of the main display area 11m and the sub display area 11s.
FIGS. 5A to 5C show display examples of the main display area 11m and the sub display area 11s, respectively, and the display of the main display area 11m and the sub display area 11s changes according to the operation on the steering switch 30. FIG. It shows how to do. In each of the main display areas 11m of FIGS. 5A to 5C, contents such as information on vehicle-mounted devices (including those with resources from an external terminal) and vehicle information are displayed. Further, in each sub display area 11s, an operation by the steering switch 30, specifically, an operation with instructions of the left and right operation directions is performed according to the information screen displayed in the main display area 11m. An icon indicating a candidate (type) of information (screen) that can be selected by performing is shown. Hereinafter, a specific description will be given.

  Referring to FIG. 5A, the main display area 11m displays an information screen 52 showing information (music information) about the audio device. Further, in the sub display area 11s, an icon 51i representing information (email information) related to the electronic mail of the communication device is displayed in the left area when the liquid crystal display 11 is viewed from the front, and the car navigation is displayed in the right area. An icon 53i representing information about the device (map information) is displayed. That is, in the left area of the sub display area 11s, mail information as information that can be selected by an instruction of the operation direction to the left by the steering switch 30 from the information screen (music information) displayed in the main display area 11m is displayed. An icon 51i is displayed. Further, in the area on the right side of the sub display area 11s, map information as information that can be selected by an instruction of the operation direction to the right by the steering switch 30 from the information screen (music information) displayed in the main display area 11m is displayed. An icon 53i is displayed. Therefore, when the driver performs an operation with an instruction of the operation direction to the left, the information displayed in the main display area 11m is switched to the mail information. Further, when the driver performs an operation with an instruction of the operation direction to the right, the information displayed in the main display area 11m is switched to the map information, and the state is changed to the state of FIG.

  In the main display area 11m, an image indicating the transition to music information is displayed as the information screen 52. Specifically, a plurality of candidates (for example, a CD, a built-in hard disk drive, an external terminal, etc.) are displayed. ), A screen for selecting a sound source and a screen for selecting a song to be played back may be displayed.

  Subsequently, referring to FIG. 5B, an information screen 53 showing information (map information) related to the navigation device is displayed in the main display area 11m. Further, in the sub display area 11s, an icon 52i representing music information is displayed in the left area when the liquid crystal display 11 is viewed from the front, and an icon 54i representing vehicle information is displayed in the right area. That is, in the left area of the sub display area 11s, music information as information that can be selected by an instruction of the operation direction to the left by the steering switch 30 from the information screen (map information) displayed in the main display area 11m. An icon 52i is displayed. Further, in the area on the right side of the sub display area 11s, vehicle information as information that can be selected by an instruction of the operation direction to the right by the steering switch 30 from the information screen (map information) displayed in the main display area 11m. An icon 54i is displayed. Therefore, when the driver performs an operation with an instruction of the operation direction to the left, the information displayed in the main display area 11m is switched to music information, and the state transitions to the state of FIG. Further, when the driver performs an operation with an instruction of the operation direction to the right, the information displayed in the main display area 11m is switched to the vehicle information, and the state is changed to the state of FIG.

  In addition, although the image which shows having changed to map information is displayed as the information screen 53 in the main display area 11m, specifically, it is designated by the map screen centering on the own vehicle or the driver. A screen for displaying route guidance to the destination may be displayed.

  Subsequently, referring to FIG. 5C, an information screen 54 showing vehicle information is displayed in the main display area 11m. In the sub display area 11s, an icon 53i representing map information is displayed in the left area when the liquid crystal display 11 is viewed from the front, and an icon 51i representing mail information is displayed in the right area. That is, in the left area of the sub display area 11s, map information as information that can be selected by an instruction of the operation direction to the left by the steering switch 30 from the information screen (vehicle information) displayed in the main display area 11m is displayed. An icon 53i is displayed. Further, in the right area of the sub display area 11s, mail information as information that can be selected by an instruction of the operation direction to the right by the steering switch 30 from the information screen (vehicle information) displayed in the main display area 11m is displayed. An icon 51i is displayed. Therefore, when the driver performs an operation with an instruction of the operation direction to the left, the information displayed in the main display area 11m is switched to the music information, and the state is changed to the state shown in FIG. In addition, when an operation with an instruction of the operation direction to the right is performed by the driver, information displayed in the main display area 11m is switched to mail information.

  In the main display area 11m, an image indicating the transition to the vehicle information is displayed as the information screen 54. Specifically, fuel consumption information (average fuel consumption, etc.) and eco-monitor (accelerator operation, etc.) are displayed. A screen may be displayed that displays information relating to the function of monitoring and calculating the degree of fuel-saving driving.

  As described above, the in-vehicle display device 1 (display control unit 20) is selected via the steering switch 30 among selectable information (contents) in the main display area 11m of the liquid crystal display 11 as the main display means. Display information. Further, information (content) candidates (icons) that can be selected by an operation by the steering switch 30 in accordance with information (content) displayed in the main display area 11m in the sub display area 11s of the liquid crystal display 11 as the sub display means. ) Is displayed. Thereby, the operator (driver) grasps at a glance the information screen that can be shifted from the current information screen (the screen displayed in the main display area 11m) by the candidate display in the sub display area 11s. Can do. Therefore, it is possible to improve visibility when selecting an information screen (content) to be displayed in the main display area 11m.

  Further, as described above, since the stereoscopic display means (the convex lens 12m and the Fresnel lens 12s) are arranged in front of the driver in the main display area 11m and the sub display area 11s, respectively. The difference in display contents between 11m and the sub display area 11s can be emphasized. Therefore, it is possible to further improve the visibility when selecting an information screen (content) to be displayed in the main display area 11m.

  In the example described above, an icon is displayed as a candidate for information that can be selected by an operation by the steering switch 30 displayed in the sub display area 11s, but a widget may be displayed. For example, in FIG. 5B, instead of the icon 52i representing the music information, a widget that represents the music information and can display the name of the currently played song may be displayed.

  Next, another example of the display mode of the main display area 11m and the sub display area 11s will be described with respect to the operation of the in-vehicle display device 1 according to the present embodiment.

  FIG. 6 is a diagram illustrating another example of the display mode of the main display area 11m and the sub display area 11s. FIG. 6A shows a display mode of the main display area 11m and the sub display area 11s when the vehicle is traveling, and FIG. 6B shows the main display area 11m and the sub display when the vehicle is stopped. The display mode of the area 11s is shown. In this example, the display content (information) of the main display area 11m is switched according to the state of the vehicle (during travel or stop) instead of the operation by the driver. That is, as long as the driver does not operate the steering switch 30, the display in FIG. 6A and the display in FIG. 6B are switched between when the vehicle is running and when the vehicle is stopped.

  Referring to FIG. 6A, an information screen 53 showing map information is displayed in the main display area 11m. Specifically, the route guidance to the destination in the navigation device is displayed, and more specifically, the display prompting the user to make a right turn at an intersection in front of the host vehicle. And the map is enlarged and displayed so that map information can be easily visually recognized at the time of driving | running | working. An icon 52i representing music information as a selection candidate is displayed in the left area of the sub display area 11s, and an icon 54i representing vehicle information as a selection candidate is displayed in the right area. In this example, when the vehicle stops in the state of the in-vehicle display device 1 shown in the drawing, the display mode is automatically switched to the display mode shown in FIG.

  Subsequently, referring to FIG. 6B, an information screen 53 showing mail information is displayed in the main display area 11m. Specifically, a display indicating the exchange of mail is displayed, and more specifically, the contents of the mail exchanged with a predetermined partner are displayed in chronological order. The display content of the sub display area 11s is the same as that shown in FIG. In this example, when the vehicle starts running in the state of the in-vehicle display device 1 shown in the figure, the display mode is automatically switched to the display mode shown in FIG.

  In this way, in this example, paying attention to the difference in content (information) that the driver wants to check when traveling and stopping, the information displayed in the main display area 11m is automatically switched between traveling and stopping. That is, during driving, the driver often confirms a map around the vehicle or confirms route guidance to the destination, and thus displays map information. On the other hand, when the vehicle is stopped, the driver often wants to check the incoming status of the e-mail and the like, so the driver automatically switches even when the map information is selected. Thereby, it is possible to quickly confirm information to be confirmed when the vehicle stops. Specifically, it is possible to quickly confirm an email or reply to an email when the vehicle is stopped.

  Information to be displayed when the vehicle is stopped is not limited to e-mail information, and information related to SNS (Social Networking Service) may be displayed. The information displayed when the vehicle is stopped may be changed by an operator (driver) through a setting screen or the like. Moreover, the information (mail information in this example) displayed on the main display area 11m when the vehicle is stopped may be enlarged on the liquid crystal display 11 to improve visibility and be easy to read.

  As mentioned above, although the form for implementing this invention was explained in full detail, this invention is not limited to this specific embodiment, In the range of the summary of this invention described in the claim, various Can be modified or changed.

DESCRIPTION OF SYMBOLS 1 In-vehicle display apparatus 10 Display part 11 Liquid crystal display 11m Main display area (main display means)
11s Sub display area (sub display means)
12 Stereoscopic means 12m Convex lens (Main stereoscopic means)
12s Fresnel lens (sub-stereoscopic means)
13 Bezel 20 Display Control Unit 21 Vehicle Interface 22 External Connection Interface 23 Display Information Buffer Unit 24 Drawing Interface 30 Steering Switch 40 External Terminal 51-54 Information Screen (Information)
51i-54i icon (candidate)

Claims (1)

Main display means for displaying information selected by operation;
Sub display means for displaying candidate information that can be selected by an operation according to the information displayed on the main display means;
Main stereoscopic means for stereoscopically displaying the display of the main display means;
Sub-stereoscopic means for stereoscopically displaying the display of the sub-display means,
The main stereoscopic means and the sub-stereoscopic means are different stereoscopic means,
In-vehicle display device.

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