JP2012056435A - Vehicle display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle display device with high operability, even in the mode of displaying a plurality of images in parallel.SOLUTION: The display device 100 includes a display screen 40a which has: a main display area 42 which displays an image selected from the plurality of images as main image 2a; and a complementary display area 43 which displays the image selected from the plurality of images in parallel with the main image 2a as a complementing image 2b. A main control part 21 stores the relevance of each of the plurality of images which can be selected as a main image 2a with each of the plurality of images which can be selected as a complementing image 2b. When a specific change request for changing the main image 2a displayed on the main display area 42 is input into an operating device 30, a control circuit 20 changes the image displayed in the complementing display area 43 to the complementing image 2b which has relevance to the main image 2a, while changing the image displayed in the main image 2a according to the change request by the main display area 42.

Description

  The present invention relates to a vehicle display device that includes a display screen that is mounted on a vehicle and includes a first display area that displays a first image and a second display area that displays a second image in parallel with the first image.

  Conventionally, for example, a display device that displays a plurality of images in parallel on a display screen directed to a vehicle occupant is known. As a type of such a device, for example, a display device disclosed in Patent Document 1 receives a monitor unit including a display screen on which a plurality of images are displayed in parallel, and a change request for changing an image displayed on the display screen. And an operation unit.

  In the display device disclosed in Patent Document 1, the display screen of the monitor unit is divided into a plurality of areas. In each area, one image selected from a plurality of images is displayed. A vehicle occupant such as a driver inputs a change request to the operation unit, thereby displaying an image displayed in each area, an image for informing map information, an image for television broadcasting, and an image for informing AV device operation information. It can be changed to one of a plurality of images such as an operation menu image of the navigation system and an image for informing vehicle information.

JP-A-06-195056

  Now, among the plurality of images as described above, there are images related to the information to be notified. As described above, it is desirable that the related images are simultaneously displayed toward the occupant such as the driver. For example, in the display device of Patent Document 1, it is preferable that the image for informing the map information and the operation menu image for the navigation system are displayed simultaneously on the monitor unit.

  However, in the display device disclosed in Patent Document 1 described above, in order to display a plurality of related images in parallel on the monitor unit, it is necessary to sequentially input change requests for changing images to each area. is there. Specifically, first, by inputting a change request to the operation unit, an image displayed in one of a plurality of areas is changed to an image for informing map information. Next, an image displayed in another area among the plurality of areas is changed to an operation menu image of the navigation system. Thus, unless a change request for changing an image is input to the operation unit for each area, a plurality of related images are not displayed in parallel at the same time. Therefore, the operation of changing the image is likely to be complicated.

  The present invention has been made in view of the above problems, and an object thereof is to provide a vehicular display device having high operability even when a plurality of images are displayed in parallel. .

  In order to achieve the above object, according to the first aspect of the present invention, there is provided a first display area mounted on a vehicle and displaying an image selected from a plurality of images as a first image; A display device for a vehicle comprising a display screen having a second display area that displays an image selected from the second image in parallel with the first image, for changing the first image displayed in the first display area An input unit to which a change request is input, each of a plurality of images that can be selected as the first image, a storage unit that stores relevance between each of the plurality of images that can be selected as the second image, and a specific When a change request is input to the input unit, the image displayed in the first display area is changed to the first image according to the change request, and the relevance stored in the storage unit is stored for the first image. A second image is displayed in the second display area. The vehicle display apparatus characterized by comprising changing means for changing the image.

  According to this invention, when a change request for changing the first image to be displayed in the first display area is input to the input unit, the changing means inputs the change input to the image to be displayed in the first display area. Change to the first image according to In addition, when a specific change request is input to the input unit, the changing unit changes the image displayed in the second display area to a second image that is relevant to the first image that follows the change request. To do. Thus, by inputting the change request for changing the first image to the input unit, the vehicular display device can simultaneously display the first image and the second image that are related to each other in parallel on the display screen. . Thus, since the change request for changing the second image displayed in the second display area is not required, the operation for changing the image is not likely to be complicated.

  Therefore, even if a plurality of images are displayed in parallel, the vehicular display device can obtain excellent operability.

  The specific change request may be a part of the change request for changing the first image, or may be the entire change request.

  In the invention according to claim 2, when the release request for canceling the change to the first image is input to the input unit, the changing means displays the first display on the first image before the change according to the change request. The image displayed in the area is changed, and the image displayed in the second display area is changed to the second image before the change to the related second image.

  According to the present invention, when a release request for canceling the change to the first image according to the change request is input to the input unit, the image displayed in the first display area is the first image before the change according to the change request. It is changed to one image. In addition, the image displayed in the first display area is also changed from the second image related to the first image according to the change request to the second image before the second image is changed. As described above, when the change to the first image is cancelled, the input to return the second image changed by the changing means to the second image before the change can be omitted. Is not complicated. Therefore, the vehicle display device can surely have high operability.

  Here, in the present invention, the second image can be changed in accordance with the change of the first image according to the input of the change request to the input unit. Therefore, the change of the second image by the changing unit may be a change that is not desired by the vehicle occupant who has input the change request for changing the first image.

  Therefore, in the invention described in claim 3, when the release request for canceling the change to the second image is input to the input unit, the changing means is configured to change the second image before the change to the related second image. An image displayed in the second display area is changed to two images.

  According to this invention, when the cancellation request for canceling the change to the second image is input to the input unit, the image displayed in the second display area is the first image changed by the changing unit. The related second image is returned to the second image before the change. Therefore, even if the change of the second image that is not desired by the vehicle occupant is performed by the changing means, the image displayed in the second display area can be displayed by inputting a release request to the input unit. It can be easily returned to two images. Therefore, it is possible to prevent a situation in which the operation becomes complicated due to the automatic change to the second image that is related to the first image. Therefore, the vehicular display device can reliably have high operability.

  In the invention according to claim 4, the changing means includes an image acquisition unit that acquires a first image generated by an in-vehicle device mounted on the vehicle, and a drawing unit that generates a second image. When the image is input to the input unit, the image acquisition unit acquires the first image in accordance with the change request, thereby changing the image displayed in the first display area and relevance to the first image. An image displayed in the second display area is changed by causing the drawing unit to generate a certain second image.

  As in the present invention, the first image and the second image displayed in parallel on the display screen may be generated by different configurations of the in-vehicle device and the drawing unit, respectively. In recent years, due to the increase in size and definition of a display screen, it has become difficult to generate an image having the number of pixels that can display the display performance of the display screen with only one configuration. Therefore, by causing the image acquisition unit to acquire the first image and generating the second image on the drawing unit and displaying them in parallel, an image in which at least one of the in-vehicle device and the drawing unit can display the performance of the display screen. Even if cannot be generated alone, the display performance of the display screen can be exhibited.

  In such a change means, when a change request is input to the input unit, the first image based on the change request is acquired by the image acquisition unit so that the image displayed in the first display area is the first display area. It can be changed to an image. Further, by causing the drawing unit to generate a second image that is related to the first image based on the change request, the image displayed in the second display area can be changed to the second image. Therefore, even if the first image and the second image are generated with different configurations, a complicated operation for changing the image becomes unnecessary. Therefore, high operability of the vehicle display device is maintained.

  In the invention according to claim 5, the drawing unit generates the second image based on acquisition information acquired from at least one of the in-vehicle device that generates the first image and the in-vehicle device different from the in-vehicle device. It is characterized by that.

  Like this invention, the 2nd image produced | generated by the drawing part may be produced | generated based on the acquisition information acquired from the vehicle-mounted apparatus which produces | generates a 1st image, or the vehicle-mounted apparatus different from the said vehicle-mounted apparatus It may be generated based on acquisition information acquired from the device. By appropriately acquiring acquisition information necessary for generating a second image that is relevant to the first image from a plurality of in-vehicle devices, the drawing unit can obtain a second image that is relevant to the first image. Can be reliably generated.

  In the invention according to claim 6, the storage means stores the relevance between the reproduced image of the video content and the operation image for operating the reproduction state of the video content, and the changing means is displayed in the first display area. When a change request for changing the image to be played back to the playback image is input to the input unit, the image acquisition unit acquires the playback image generated by the playback device as the in-vehicle device that plays back the video content. The image displayed in the one display area is changed to the reproduction image, and the operation image based on the reproduction state information as the acquisition information acquired from the reproduction apparatus is generated in the drawing unit. The operation image is changed to the operation image.

  In the present invention, the drawing unit generates the second image based on the acquired information acquired from the in-vehicle device that generates the first image. In the present invention, a playback image of video content played back by a playback device as an in-vehicle device and an operation image generated based on playback state information as acquired information acquired from the playback device are displayed in parallel.

  In this way, the playback image and the operation image for operating the playback state of the video content are displayed in parallel on the display screen, so that the occupant can check the playback state with the playback image displayed in the first display area. The operation image displayed in the second display area can be operated. Therefore, it is desirable that the reproduced image and the operation image are simultaneously displayed as images highly related to each other.

  In the invention according to claim 7, the storage means stores the relationship between the peripheral monitoring image obtained by imaging the external area around the vehicle and the warning image that warns the presence of an obstacle in the external area, The change means is a peripheral monitoring generated by a peripheral monitoring device as an in-vehicle device that captures an image of the external area when a change request for changing an image displayed in the first display region to a peripheral monitoring image is input to the input unit. Acquisition acquired from an obstacle detection device as another in-vehicle device that detects an obstacle while changing the image displayed in the first display area to the peripheral monitoring image by causing the image acquisition unit to acquire the image. The image displayed on the second display area is changed to the warning image by causing the drawing unit to generate a warning image based on the obstacle detection information as information.

  This invention is a form in which a drawing unit generates a second image based on acquired information acquired from a vehicle-mounted device different from the vehicle-mounted device that generates the first image. In the present invention, the periphery monitoring image generated by the periphery monitoring device and the warning image for warning the presence of an obstacle are displayed in parallel.

  Both the peripheral monitoring image and the warning image are images for notifying the presence of an obstacle present in the external area of the vehicle. Therefore, by displaying the surrounding monitoring image and the warning image in parallel, the vehicle occupant can reliably perceive the presence of an obstacle in the outside world region. Therefore, it is desirable that the peripheral monitoring image and the warning image are simultaneously displayed as images highly related to each other.

1 is a configuration diagram schematically showing a configuration of a vehicle display device according to an embodiment of the present invention. The figure for demonstrating the display image produced | generated by the display apparatus for vehicles by one Embodiment of this invention, Comprising: A figure which shows a display image when a navigation image is selected as a main image and an audio image is selected as a complementary image It is. It is a figure for demonstrating the display image produced | generated by the display apparatus for vehicles by one Embodiment of this invention, Comprising: The reproduction image as a main image, and the display image when a DVD operation image is each selected as a complement image FIG. It is a figure for demonstrating the display image produced | generated by the display apparatus for vehicles by one Embodiment of this invention, Comprising: The periphery monitoring image is selected as a main image, and the display image when a warning image is each selected as a complementary image is shown. FIG. It is a figure for demonstrating the display image produced | generated by the display apparatus for vehicles by one Embodiment of this invention, Comprising: The display image when the television image is selected as a main image, and the television operation image 9b is each selected as a complement image FIG. 5 is a flowchart illustrating a control flow executed by a main control unit in the control circuit according to the embodiment of the present invention.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a block diagram schematically showing the configuration of a vehicle display device 100 according to an embodiment of the present invention. The vehicle display device 100 is a device that is mounted on a vehicle and displays a display image 1 as shown in FIG. 2 or the like on a display screen 40 a of the liquid crystal display device 40. As shown in FIGS. 2 to 5, the display screen 40 a includes a main display area 42 that displays one image selected from a plurality of images as the main image 2 a, and an image selected from the plurality of images. The complementary image 2b has a complementary display area 43 that is displayed in parallel with the main image 2a. The display image 1 in which the main image 2a and the complementary image 2b are juxtaposed is displayed on the display screen 40a of the liquid crystal display device 40, thereby providing various information to a passenger who views the display image 1.

  First, the global controller area network (CAN) 80 and the local CAN 81, the operation device 30, the navigation device 50, and the periphery monitoring device 70 will be described with reference to FIG. All these devices are mounted on the vehicle.

  The global CAN 80 and the local CAN 81 are in-vehicle network systems for realizing exchange of information between in-vehicle devices using a predetermined protocol. The global CAN 80 and the local CAN 81 are constructed by connecting various devices to a bus composed of two communication lines. In addition to the navigation device 50, the global CAN 80 is connected to a transmission control device 84 that controls a transmission mounted on the vehicle, a clearance sonar 88, and the like. The transmission control device 84 is connected to a shift lever 85 that is operated by a driver who is a vehicle occupant. Various vehicle information is output to the global CAN 80 from these devices 84, 88 and the like. On the other hand, the vehicle display device 100, the navigation device 50, the operation device 30, and the like are connected to the local CAN 81.

  The operating device 30 is an input device operated mainly by a driver who is a vehicle occupant. The operating device 30 includes a pointing device (not shown) that moves the position of a pointer image 2c (see FIG. 2 and the like) drawn on the display image 1 on the display image 1, and a button image 2d drawn on the display image 1. , 2e (see FIG. 2 and the like) and a selection button (not shown) and the like. For example, a change request for changing the main image 2a displayed on the display screen 40a, a release request for canceling the change of the main image 2a or the complementary image 2b, and the like are input to the operation device 30. When a driver or the like operates a pointing device and a selection button, operation information by the operation is output to the local CAN 81 by the operation device 30 and acquired by the navigation device 50, the vehicle display device 100, and the like.

  The navigation device 50 is connected to the global CAN 80, the local CAN 81, the audio device 51, the vehicle display device 100, and the like. The navigation device 50 acquires vehicle information from the transmission control device 84 and the clearance sonar 88 through the global CAN 80. And the navigation apparatus 50 outputs the acquired vehicle information to local CAN81. In addition, the navigation device 50 acquires operation information output to the local CAN 81 by the operation device 30.

  The navigation device 50 includes a receiver that receives terrestrial digital broadcasting, a global positioning system (GPS) receiver that measures the current position of the vehicle, and an electronic compass that measures the direction. The navigation device 50 outputs receivable broadcast station name information to the local CAN 81 as reception information in addition to information received together with the broadcast by the terrestrial digital broadcast receiver, for example, information such as a program schedule.

  The audio device 51 is a device that reproduces music and video content data stored in an optical disk such as a CD (registered trademark) and a DVD (registered trademark), or a storage device such as a hard disk drive and a flash memory. The audio device 51 outputs to the navigation device 50 music information related to the currently played music or video information related to the video, and playback status information related to the playback status. These pieces of information are acquired by the navigation device 50 and are output from the navigation device 50 to the local CAN 81. The music information includes, for example, the music title, artist name, album name, album artwork image, and the like. The video information includes a video title name, performer name, artwork image, and the like. The playback state information includes the playback / stop state of the music or video, the elapsed time after playback, the track number of the music, or the chapter number of the video.

  The navigation device 50 configured as described above is a navigation image that supports the driving operation of the occupant by guiding to the destination based on the vehicle information acquired through the global CAN 80 and the positioning information by the GPS receiver and the electronic compass. 3a (see FIG. 2) is generated. In addition, the navigation device 50 generates a reproduction image 6a (see FIG. 3) of the video content reproduced by the audio device 51, a television image 9a (see FIG. 5) by digital terrestrial broadcasting received by the receiver, and the like. Details of these images 3a, 6a, 9a will be described later.

  The navigation device 50 is connected to the vehicle display device 100 via a communication line. The navigation device 50 uses the video output method such as Gigabit Video Interface (GVIF) (registered trademark), for example, to output one of the generated video signals 3a, 6a, 9a to the vehicle display device 100. Output sequentially.

  The periphery monitoring device 70 is a device that generates a periphery monitoring image 7a (see FIG. 4) for notifying an occupant of a vehicle of an obstacle existing in an external field around the vehicle, and is connected to the periphery monitoring camera 71. Yes. The periphery monitoring camera 71 is installed toward the periphery of the vehicle so that an external field area of the vehicle can be imaged. In the present embodiment, the periphery monitoring camera 71 is installed with the vehicle rearward facing. When an operation for instructing the operation of the periphery monitoring device 70, for example, an operation for switching the position of the shift lever 85 to “R (reverse)” is performed by the driver, the periphery monitoring device 70 causes the periphery monitoring camera 71 to start imaging. . At this time, the image displayed in the main display area 42 of the display screen 40 a is changed to the peripheral monitoring image 7 a captured by the peripheral monitoring camera 71. As described above, the shift lever 85 also serves as an input unit to which a change request for changing the main image 2a (see FIG. 2 and the like) displayed in the main display area 42 is input.

  The peripheral monitoring device 70 sequentially acquires video signals captured by the peripheral monitoring camera 71. The peripheral monitoring device 70 converts the video signal of the peripheral monitoring camera 71, which is an analog signal, into a digital signal suitable for image processing. And the line image 7c (refer FIG. 4) which shows the movement locus | trajectory of the vehicle estimated is superimposed on the image converted into the digital signal. In this way, the periphery monitoring device 70 generates the periphery monitoring image 7a (see FIG. 4) that can assist the driving operation by the driver when the vehicle is parked. The peripheral monitoring device 70 sequentially outputs the generated video signal of the peripheral monitoring image 7a to the vehicle display device 100 connected by the communication line by an output method such as GVIF (registered trademark).

  The clearance sonar 88 is a device for notifying an occupant of a vehicle of an obstacle existing in an external area around the vehicle, like the periphery monitoring device 70. The clearance sonar 88 has a plurality of ultrasonic sensors disposed on the front and rear bumpers of the vehicle. The ultrasonic sensors are arranged at predetermined intervals in the vehicle width direction in the front or rear bumper. The clearance sonar 88 detects the presence or absence of an obstacle around the vehicle and measures the distance to the obstacle using the plurality of ultrasonic sensors. The clearance sonar 88 outputs the position where the ultrasonic sensor that detects the obstacle is installed to the global CAN 80 as obstacle detection information in addition to the presence / absence of the obstacle and the distance from the ultrasonic sensor to the obstacle.

  Next, the configuration of the vehicle display device 100 will be described. The vehicle display device 100 includes the control circuit 20 together with the liquid crystal display device 40 and the operation device 30 described above.

  A control microcomputer 25 and a drawing microcomputer 26 are mounted on the control circuit 20. The control microcomputer 25 includes a processor that performs various arithmetic processes, a flash memory that stores information relating to the programs and vehicles used in the arithmetic processes, and a RAM that functions as a calculation work area. In addition, the control microcomputer 25 is connected to a communication interface (not shown) that can communicate with the local CAN 81.

  The drawing microcomputer 26 includes a processor that performs image processing, a ROM or flash memory that stores a program used for the image processing and various types of image data, and a RAM that functions as a calculation work area. The drawing microcomputer 26 is connected to a video output interface (not shown) that outputs a video signal of the display image 1 to the liquid crystal display device 40.

  The control circuit 20 having the above configuration includes a main control unit 21, a video drawing unit 22, and a video composition unit 23.

  The main control unit 21 is a functional block of the control microcomputer 25. The function of the main control unit 21 is performed by the control microcomputer 25 when a predetermined program is executed in the control microcomputer 25. The main control unit 21 determines the types of images displayed as the main image 2a and the complementary image 2b in the display image 1 based on the operation information and vehicle information output to the local CAN 81. Then, the main control unit 21 instructs the video drawing unit 22 and the video composition unit 23 to generate the display image 1. In addition, the main control unit 21 instructs the video drawing unit 22 to draw a pointer image 2c (see FIG. 2 and the like) on the display image 1. Further, the main control unit 21 selects from information required for the video drawing unit 22 to generate the complementary image 2b, for example, vehicle information, music information or video information, reproduction state information, reception information, and the like. The main control unit 21 acquires the selected information from the navigation device 50 and the clearance sonar 88 through the local CAN 81 and outputs the acquired information to the video drawing unit 22.

  The video drawing unit 22 and the video composition unit 23 are both functional blocks of the drawing microcomputer 26. The functions of the video drawing unit 22 and the video composition unit 23 are performed by the drawing microcomputer 26 when a predetermined program is executed in the drawing microcomputer 26.

  The video composition unit 23 mainly selects any one of the images 3a, 6a, 7a, and 9a (see FIGS. 2 to 5) generated by the navigation device 50 and the periphery monitoring device 70 mounted on the vehicle. Obtained as image 2a.

  In the present embodiment, the main image 2 a acquired by the video composition unit 23 is generated with a smaller number of pixels than the display image 1. Therefore, the video drawing unit 22 generates a complementary image 2 b that complements the difference between the number of pixels of the main image 2 a acquired by the video synthesis unit 23 and the number of pixels of the display image 1. In addition, the video drawing unit 22 acquires information selected by the main control unit 21 as acquisition information from the main control unit 21, and generates a complementary image 2b based on the acquisition information. The images generated as the complementary image 2b are, for example, an audio image 5b (see FIG. 2), a DVD operation image 6b (see FIG. 3), a warning image 7b (see FIG. 4), and a television operation image 9b (see FIG. 5). is there. These complementary images 2 b are output to the video composition unit 23.

  The video composition unit 23 synthesizes the main image 2 a based on the video signal acquired from the navigation device 50 and the complementary image 2 b generated by the video drawing unit 22. Thereby, the video composition unit 23 generates the display image 1 in which the main image 2a and the complementary image 2b are arranged in parallel. The video signal of the display image 1 is sequentially output from the control circuit 20 to the liquid crystal display device 40 by a video output system such as Low Voltage Differential Signaling (LVDS). As described above, the control circuit 20 displays the display image 1 on the liquid crystal display device 40.

  The liquid crystal display device 40 is a display device arranged at the center of an instrument panel in the vehicle compartment, and provides various information to the driver by displaying the display image 1 on the display screen 40a. The display screen 40a has a main display area 42 for displaying the main image 2a and a complementary display area 43 for displaying the complementary image 2b in parallel with the main image 2a (see FIG. 2 and the like). The display screen 40a displays the pointer image 2c (see FIG. 2 etc.) superimposed on the image of one of the main display area 42 and the complementary display area 43.

  The liquid crystal display device 40 includes a liquid crystal panel 41 and a backlight 45. For example, 1280 display pixels are arranged in the horizontal direction and 480 display pixels are arranged in the vertical direction in the portion that becomes the display screen 40a of the liquid crystal panel 41. Among the display pixels of 1280 dots × 480 dots arranged on the display screen 40a, the display pixels of 800 dots × 480 dots belong to the main display area 42, and the display pixels of 480 dots × 480 dots belong to the complementary display area 43. belong to. The backlight 45 illuminates the liquid crystal panel 41 from the back side in the display direction. The liquid crystal display device 40 acquires the video signal output from the control circuit 20 and controls each display pixel of the liquid crystal panel 41 to display the display image 1 based on the video signal.

  2 to 5 show a plurality of examples of the display image 1 displayed on the liquid crystal display device 40 with the above configuration. Hereinafter, the display image 1 displayed on the liquid crystal display device 40 will be described in more detail with reference to FIGS.

  First, the number of pixels of the display image 1, the main image 2a, and the complementary image 2b will be described. The number of pixels of the display image 1 corresponds to the number of display pixels of the liquid crystal display device 40 and is 1280 dots × 480 dots. On the other hand, the number of pixels of the navigation image 3a used as the main image 2a is smaller than the number of pixels of the display image 1. The number of pixels of the main image 2a is 800 dots × 480 dots. The number of display pixels belonging to the main display area 42 described above is defined according to the number of pixels of the main image 2a.

  Thus, the navigation device 50 and the periphery monitoring device 70 can generate only an image having a smaller number of pixels than the number of display pixels on the display screen 40a. Therefore, the difference between the number of pixels of the display image 1 and the number of pixels of the main image 2a is complemented by synthesizing the main image 2a and the complementary image 2b. The complementary image 2b is generated with the number of pixels of 480 dots × 480 dots that complements the difference between the number of display pixels on the display screen 40a and the number of display pixels belonging to the main display area 42.

  The navigation image 3a, which is the main image 2a in FIG. 2, is mainly composed of a map image showing the current position of the vehicle. The navigation image 3a can notify the driver of information such as the current location of the vehicle, the traveling direction, and the required time to the destination. A pointer image 2c and a button image 2d are drawn on the navigation image 3a. When an operation of pressing the selection button while the pointer image 2c and the button image 2d are overlapped on the display is input to the operation device 30, the map image drawn on the navigation image 3a is enlarged or reduced.

  2 is generated by the video drawing unit 22 based on the music information and the playback state information acquired through the local CAN 81. The audio image 5b can notify the driver of the title, album name, etc. of the music currently being played by the audio device 51. When an operation of pressing the selection button while the pointer image 2c and the button image 2e are superimposed on the display is input to the operation device 30, the music, the volume, and the like are changed.

  A reproduced image 6a which is the main image 2a in FIG. 3 is video content reproduced by the navigation device 50. The video data of this video content is stored in a DVD (registered trademark) inserted in the audio device 51. The complementary image 2b juxtaposed with the playback image 6a is a DVD operation image 6b for operating the playback state of the playback image 6a. The DVD operation image 6b is generated by the video drawing unit 22 based on the reproduction state information and the video information as acquisition information acquired from the navigation device 50 through the local CAN 81. The DVD operation image 6b displays a plurality of button images 2e for operations such as pause and fast-forwarding in addition to the title name and chapter number of the video. When an operation of pressing the selection button while overlapping the pointer image 2c and the button image 2e on the display is input to the operation device 30, the playback state of the playback image 6a is switched to the playback state corresponding to the button image 2e. .

  The periphery monitoring image 7a, which is the main image 2a in FIG. The periphery monitoring image 7a is generated by superimposing the line image 7c on the image of the external area behind the vehicle captured by the periphery monitoring camera 71. The line image 7c is an image for assisting the parking operation of the vehicle, and shows a predicted movement locus of the vehicle.

  4 is generated by the video drawing unit 22 based on obstacle detection information as acquired information acquired from the clearance sonar 88 that detects an obstacle through the global CAN 80. The warning image 7b shown in FIG. . In the warning image 7b, a vehicle image 7d imitating the shape of the vehicle and an obstacle notification image 7f indicating the position of the obstacle with respect to the vehicle and the distance from the vehicle to the obstacle are drawn. In the warning image 7b, the relative position where the obstacle notification image 7f is displayed with respect to the vehicle image 7d is determined based on information about the position of the ultrasonic sensor that has detected the obstacle included in the obstacle detection information. In addition, the size of the obstacle notification image 7f becomes smaller as the distance from the ultrasonic sensor included in the obstacle detection information to the obstacle becomes shorter.

  The television image 9a which is the main image 2a in FIG. 5 is generated by the navigation device 50. The complementary image 2b juxtaposed with the television image 9a is a television operation image 9b for operating the television image 9a. The television operation image 9 b is generated by the video drawing unit 22 based on the reception information acquired from the navigation device 50. In the television operation image 9b, in addition to the broadcast station name of the television broadcast displayed on the television image 9a, a plurality of button images 2d for changing the broadcast station to be received are displayed. The vehicle occupant operates the pointing device of the operation device 30 to superimpose the pointer image 2c on the button image 2d and presses the selection button on the operation device 30 to broadcast from the broadcasting station corresponding to the button image 2d. The television image 9a can be switched to.

  The main image 2a and the complementary image 2b shown in FIGS. 3 to 5 are images that are related to each other. Therefore, it is desirable that the reproduced image 6a and the DVD operation image 6b, the peripheral monitoring image 7a and the warning image 7b, and the television image 9a and the television operation image 9b are displayed in parallel. Thus, the relevance between each of the plurality of images that can be selected as the main image 2a and each of the plurality of images that can be selected as the complementary image 2b is stored in the flash memory of the control microcomputer 25. When a change request for changing the main image 2a to the above-described specific images 6a, 7a, 9a is input to the operating device 30 or the shift lever 85, the main control unit 21 sends the change request to the video composition unit 23. A command is issued to acquire the main image 2a according to the above. In addition, the main control unit 21 generates the complementary image 2b relevant to the main image 2a according to the relevance between the main image 2a and the complementary image 2b stored in the flash memory. Command.

  In addition, a release button image 2f is drawn on the complementary image 2b shown in FIGS. By operating the pointing device and pressing the selection button while the pointer image 2c is superimposed on the release button image 2f, the automatic change of the complementary image 2b is released. By inputting such a release request to the controller device 30, the automatically changed complementary image 2b is returned to the complementary image 2b before being changed.

  In the above configuration, a process of changing the main image 2a displayed in the main display area 42 and the complementary image 2b displayed in the complementary display area 43 in response to a change request input to the operation device 30 or the shift lever 85 by a vehicle occupant. This will be described with reference to FIG. The processing described in FIG. 6 is performed by the main control unit 21 when a change request for changing the main image 2 a is input to the operation device 30 or the shift lever 85.

  In step S101, operation information based on an input of a change request for changing the main image 2a displayed in the main display area 42 is acquired from the operation device 30 or the shift lever 85, and the process proceeds to step S102. In step S102, the type of image to be displayed as the main image 2a in the main display area 42 is determined according to the operation information acquired in step S101, and the process proceeds to step S103. In step S103, before changing to the main image 2a determined in step S102, the type of the main image 2a displayed in the main display area 42 is stored, and the process proceeds to step S104.

  In step S104, the video composition unit 23 is instructed to change the type of image acquired as the main image 2a to the main image 2a determined in step S102, and the process proceeds to step S105. For example, when a change request for changing the image displayed in the main display area 42 from the navigation image 3a to the peripheral monitoring image 7a is input, the video composition unit 23 acquires the video signal of the main image 2a. Is changed from the navigation device 50 to the periphery monitoring device 70. For example, when a change request for changing the image displayed in the main display area 42 from the navigation image 3 a to the television image 9 a is input, the change request is acquired by the navigation device 50 through the local CAN 81. The navigation device 50 that has acquired the change request switches the image to be generated to the main image 2a according to the change request. Thereby, the main image 2a acquired by the video composition unit 23 is also changed. As described above, when a change request is input to the controller device 30 or the shift lever 85, the video composition unit 23 acquires the main image 2a according to the change request, thereby displaying an image displayed in the main display area 42. change.

  In step S105, the presence / absence of the complementary image 2b related to the main image 2a determined to be changed in step S102 is determined by referring to the information stored in the flash memory. If the relevant complementary image 2b is not stored in the flash memory, the process proceeds to step S112. On the other hand, if the relevant complementary image 2b is stored in the flash memory, the process proceeds to step S106.

  In step S106, according to the information stored in the flash memory, the type of image to be displayed as the complementary image 2b that is related to the main image 2a is determined, and the process proceeds to step S107. In step S107, before changing to the complementary image 2b determined in step S106, the type of the complementary image 2b displayed in the complementary display area 43 is stored, and the process proceeds to step S108.

  In step S108, the video rendering unit 22 is instructed to change the type of image generated as the complementary image 2b, and the process proceeds to step S109. By causing the video drawing unit 22 to generate a complementary image 2b that is related to the main image 2a, the image displayed in the complementary display area 43 is changed. At this time, the acquisition information required to generate the complementary image 2b is also output to the video drawing unit 22 in addition to a command to change the complementary image 2b. The video drawing unit 22 starts generating the type of complementary image 2 b instructed from the main control unit 21 based on the acquired information acquired through the main control unit 21 and the local CAN 81.

  In step S109, a command to draw a cancel button image 2f for inputting a cancel request for canceling the change to the complementary image 2b relevant to the main image 2a on the complementary image 2b is given to the video drawing unit 22. The process proceeds to step S110. The video drawing unit 22 superimposes the release button image 2 f on the generated complementary image 2 b and outputs the superimposed image to the video synthesis unit 23. Thereby, the video composition unit 23 generates the display image 1 in which both the main image 2 a and the video composition unit 23 are changed, and outputs the display image 1 to the liquid crystal display device 40.

  In step S110, it is determined whether or not a cancel request for canceling the change to the complementary image 2b relevant to the main image 2a is input to the controller device 30. When the operation information based on the input of the cancellation request has not been acquired, the process proceeds to step S114. On the other hand, when the operation information based on the input of the release request is acquired, the process proceeds to step S111.

  In step S111, a command is issued to the video drawing unit 22 to generate the pre-change complementary image 2b stored in step S107, and the process proceeds to step S112. At this time, the acquisition information necessary for generating the complementary image 2b before the change is also output to the video drawing unit 22 in addition to a command to change the complementary image 2b. The video drawing unit 22 generates a complementary image 2 b based on the acquired information acquired through the main control unit 21 and the local CAN 81 in accordance with a command from the main control unit 21. Thereby, when the cancellation | release request | requirement which cancels | releases the change to the complementary image 2b relevant to the main image 2a is input into the input part, the image displayed on the complementary display area 43 is changed to the said complementary image 2b. Is returned to the complementary image 2b before.

  In step S112, it is determined whether or not a release request for canceling the change of the main image 2a according to the change request is input to the operation device 30 or the shift lever 85. If the operation information based on the cancellation request input has not been acquired, step S112 is repeated. On the other hand, when the operation information based on the input of the release request is acquired, the process proceeds to step S113.

  In step S113, a command is issued to the video composition unit 23 so as to acquire the main image 2a before the change stored in step S103, and the process ends. The video composition unit 23 changes the type of the main image 2 a to be acquired in accordance with a command from the main control unit 21. The video composition unit 23 switches, for example, the in-vehicle device that acquires the video signal of the main image 2a among the navigation device 50, the periphery monitoring device 70, and the like. Or the navigation apparatus 50 which acquired this cancellation | release request switches the image to produce | generate to the main image 2a before a change request | requirement. Thus, the image acquired by the video composition unit 23 and displayed in the main display area 42 is returned from the main image 2a according to the change request to the main image 2a before being changed to the main image 2a.

  In step S114 when it is determined in step S110 that the operation information based on the input of the release request has not been acquired, a release request for canceling the change of the main image 2a according to the change request is performed in the same manner as in step S112. It is determined whether or not an input has been made to the device 30 or the shift lever 85. In step S114, when the operation information based on the input of the release request has not been acquired, the process returns to step S110. On the other hand, when the operation information based on the input of the release request is acquired, the process proceeds to step S115.

  In step S115, similarly to step S113, a command is issued to the video composition unit 23 to acquire the main image 2a before change stored in step S103, and the process proceeds to step S116. In step S116, as in step S111, a command is issued to the video drawing unit 22 so as to generate the pre-change complementary image 2b stored in step S107, and the process ends. As described above, when a cancel request for canceling the change of the main image 2a is input to the operation device 30 or the shift lever 85, the image displayed in the main display area 42 on the main image 2a before the change according to the change request. Is returned. In addition, the image displayed in the complementary display area 43 is returned to the complementary image 2b before being changed to the complementary image 2b relevant to the main image 2a.

  In the present embodiment described so far, when the change request for changing the main image 2 a displayed in the main display area 42 is input to the operation device 30 or the shift lever 85, the control circuit 20 controls the main display area 42. Is changed to the main image 2a according to the change input. In addition, it is assumed that a change request for changing to a specific main image 2a, for example, a reproduced image 6a, a surrounding monitoring image 7a, or a television image 9a, is input to the operation device 30 or the shift lever 85. In this case, the control circuit 20 changes the image displayed in the complementary display area 43 to the complementary image 2b relevant to the main image 2a according to the change request.

  In this way, by inputting a change request for changing the main image 2a to the operating device 30 or the shift lever 85, the vehicle display device 100 displays the main image 2a and the complementary image 2b that are related to each other. Simultaneous display on the screen 40a is possible. As described above, since an input of a change request for changing the complementary image 2b displayed in the complementary display area 43 is not required, an operation for changing the image is difficult to be complicated. Therefore, even if a plurality of images are displayed in parallel, the vehicle display device 100 can obtain excellent operability.

  In addition, in the present embodiment, when a release request for canceling the change to the main image 2a according to the change request is input to the operation device 30 or the shift lever 85, the image displayed in the main display area 42 is the change request. To the main image 2a before the change according to the above. In addition, the image displayed in the main display area 42 is also changed from the complementary image 2b related to the main image 2a according to the change request to the complementary image 2b before the complementary image 2b is changed. As described above, when the change to the main image 2a is cancelled, it is possible to omit the input to return the complementary image 2b changed by the control circuit 20 to the complementary image 2b before the change, so that the image is changed. The operation is not complicated. Therefore, the vehicle display device 100 can reliably have high operability.

  Further, the complementary image 2b is also changed in accordance with the change of the main image 2a according to the input of the change request to the operating device 30 or the shift lever 85. Therefore, the change of the complementary image 2b by the control circuit 20 may be a change that is not desired by the vehicle occupant who has input the change request for changing the main image 2a.

  However, in this embodiment, the vehicle occupant can input a cancel request for canceling the change of the complementary image 2b to the operation device 30 by selecting the cancel button image 2f. When the cancellation request is input, the image displayed in the complementary display area 43 is returned from the complementary image 2b related to the main image 2a changed by the control circuit 20 to the complementary image 2b before the change. . Therefore, even if the change of the complementary image 2 b that is not desired by the vehicle occupant is performed by the control circuit 20, the image displayed in the complementary display area 43 can be changed by inputting a release request to the operation device 30. Can be easily returned to the complementary image 2b. Accordingly, it is possible to prevent a situation in which the operation becomes complicated due to the automatic change to the complementary image 2b that is related to the main image 2a. Therefore, the vehicular display device 100 can reliably have high operability.

  Further, as in the present embodiment, the main image 2a and the complementary image 2b displayed in parallel on the display screen 40a are generated by different configurations such as an in-vehicle device such as the navigation device 50 and the periphery monitoring device 70, and the video rendering unit 22, respectively. It may be. In recent years, due to the increase in size and definition of the display screen 40a, it has become difficult to generate an image having the number of pixels that can display the display performance of the display screen 40a with only one configuration. is there. Therefore, while the main image 2a is acquired by the video synthesizing unit 23, the complementary image 2b is generated by the video drawing unit 22, and these are displayed in parallel. As a result, even if at least one of the in-vehicle device and the video drawing unit 22 cannot independently generate an image that can display the performance of the display screen 40a, the display performance of the display screen 40a can be exhibited. As described above, even if the main image 2a and the complementary image 2b are generated with different configurations, a complicated operation for changing the image is not necessary. Therefore, high operability of the vehicle display device 100 is maintained.

  In addition, in this embodiment, the complementary image 2b generated by the video drawing unit 22 may be generated based on acquisition information acquired from the in-vehicle device that generates the main image 2a, or May be generated based on acquisition information acquired from another in-vehicle device. By appropriately acquiring the acquisition information necessary for generating the complementary image 2b relevant to the main image 2a from the plurality of in-vehicle devices through the local CAN 81 and the main control unit 21, the video drawing unit 22 The complementary image 2b related to the main image 2a can be reliably generated.

  And the display apparatus 100 for vehicles displays the display image 1 which displays the reproduction image 6a of a video content, and DVD operation image 6b in parallel, and the periphery monitoring image 7a and the warning image 7b in parallel like this embodiment. The display image 1 is preferably generated.

  By displaying the reproduction image 6a and the DVD operation image 6b in parallel on the display screen 40a, the occupant is displayed in the complementary display area 43 while confirming the reproduction state with the reproduction image 6a displayed in the main display area 42. The operation image can be operated. Therefore, the operation of the playback state of the video content being played back can be easily performed. Therefore, it is desirable that the reproduced image 6a and the DVD operation image 6b are simultaneously displayed as images highly related to each other.

  Further, the periphery monitoring image 7a and the warning image 7b are both images for informing the presence of an obstacle present in the external area of the vehicle. Therefore, the periphery monitoring image 7a and the warning image 7b are displayed in parallel, so that the vehicle occupant can surely perceive the presence of an obstacle in the outside area. Therefore, it is desirable that the peripheral monitoring image 7a and the warning image 7b are simultaneously displayed as images highly related to each other.

  In the present embodiment, the main image 2a corresponds to the “first image” recited in the claims, the complementary image 2b corresponds to the “second image” recited in the claims, and the control circuit 20 Corresponds to the “changing means” described in the claims, the main control unit 21 corresponds to the “storage means” described in the claims, and the video drawing unit 22 corresponds to the “drawing” described in the claims. The image synthesizing unit 23 corresponds to the “image acquisition unit” described in the claims, the operating device 30 and the shift lever 85 correspond to the “input unit” described in the claims, The main display area 42 corresponds to the “first display area” described in the claims, and the complementary display area 43 corresponds to the “second display area” described in the claims. Device 70, transmission control device 84, clearance sonar 8 Corresponds to the “vehicle device” described in the claims, the navigation device 50 corresponds to the “reproducing device” described in the claims, and the clearance sonar 88 corresponds to the “obstacle detection” described in the claims. It corresponds to "apparatus".

(Other embodiments)
Although one embodiment of the present invention has been described above, the present invention is not construed as being limited to the above-described embodiment, and is applied to various embodiments and combinations within the scope not departing from the gist of the present invention. be able to.

  In the above embodiment, only when a change request for changing the main image 2a to the reproduced image 6a, the peripheral monitoring image 7a, or the television image 9a is input, the complementary image 2b related to the main image 2a is The image displayed in the complementary display area 43 is changed. As described above, the specific change request may be a part of the change request for changing the main image 2a, or may be the entire change request. For example, in the above embodiment, the navigation image 3a may include a related complementary image 2b.

  In the above embodiment, when the main image 2a is changed according to a specific change request, when the change to the main image 2a is canceled, the change to the complementary image 2b that is related to the main image 2a is also performed. Both were lifted. However, even when the change of the main image 2a is released, the change of the complementary image 2b may not be released. In the above embodiment, the release button image 2f is drawn on the complementary image 2b in order to input a release request for releasing the change to the complementary image 2b that is related to the main image 2a. However, the release button image 2f may not be drawn on the complementary image 2b. For example, a selection button for inputting a release request may be provided on the operating device.

  In the above embodiment, the main image 2a and the complementary image 2b are generated by the in-vehicle device and the video drawing unit 22, respectively. However, the main image 2a and the complementary image 2b may be generated by the same configuration, for example, a drawing microcomputer mounted on a control circuit. Alternatively, the control circuit may generate a display image 1 for displaying the main image 2a and the complementary image 2b in parallel by acquiring a plurality of images generated by the in-vehicle device and combining them.

  In the above embodiment, the navigation image, the television image, the audio image, and the like have been described as examples of the main image 2a or the complementary image 2b. However, as the main image 2a and the complementary image 2b, various images for notifying the passenger of information may be used. For example, when a communication device such as a portable music player or a mobile phone is connected to the audio device 51, an operation image for operating these devices by the operation device 30 is the main image 2a or the complementary image 2b. May be displayed on the display screen 40a.

  In the embodiment described above, the number of display pixels allocated to the main display area 42 out of the number of display pixels on the display screen 40a is defined to correspond to the number of pixels of the main image 2a such as the navigation image 3a. However, the number of display pixels belonging to the main display area 42 may be greater, the same, or less than the number of pixels of the main image 2a. For example, display pixels of 480 dots × 480 dots may be assigned to the main display area 42, and display pixels of 800 dots × 480 dots may be assigned to the complementary display area 43.

  In the above embodiment, the control circuit 20 has the main control unit 21, the video drawing unit 22, and the video composition unit 23 as functional blocks of two microcomputers, that is, the control microcomputer 25 and the drawing microcomputer 26. However, the configuration of the control circuit 20 is not limited to the above embodiment. For example, the main control unit 21, the video drawing unit 22, and the video composition unit 23 may be functional blocks of one microcomputer mounted on the control circuit. Alternatively, the main control unit 21, the video drawing unit 22, and the video synthesis unit 23 may be configured as a control circuit by an analog circuit that does not execute the program.

  In the above embodiment, the information output to the global CAN 80 is once acquired by the navigation device 50 and then acquired by the control circuit 20 by being output from the navigation device 50 to the local CAN 81. However, the control circuit 20 may be directly connected to the global CAN 80 and acquire information through the global CAN 80 instead of through the local CAN 81.

  In the said embodiment, the liquid crystal display device 40 was a display apparatus provided with the display pixel of 1280 dots x 480 dots. However, the number of display pixels of the liquid crystal display device is not limited to the above embodiment. The vehicle display device may further include a liquid crystal display device having a larger number of display pixels. The vehicle display device may include a display device using a plasma display panel or an organic EL display instead of the liquid crystal display device.

1 display image, 2a main image (first image), 2b complementary image (second image), 2c pointer image, 2d, 2e button image, 2f release button image, 3a navigation image (first image), 5b audio image ( Second image), 6a Playback image (first image), 6b DVD operation image (second image), 7a Perimeter monitoring image (first image), 7b Warning image (second image), 7c Line image, 7d Vehicle image 7f Obstacle notification image, 9a TV image (first image), 9b TV operation image (second image), 20 control circuit (changing means), 21 main control section (storage means), 22 video drawing section (drawing section) ), 23 video composition unit (image acquisition unit), 25 control microcomputer, 26 drawing microcomputer, 30 operation device (input unit), 40 liquid crystal display device, 40a display screen, 41 Liquid crystal panel, 42 Main display area, 43 Complementary display area, 45 Backlight, 50 Navigation device (on-vehicle device, playback device), 51 Audio device, 70 Perimeter monitoring device (on-vehicle device), 71 Perimeter monitoring camera, 80 Global CAN, 81 local CAN, 84 transmission control device (on-vehicle device), 85 shift lever (input unit), 88 clearance sonar (on-vehicle device, obstacle detection device), 100 display device for vehicle

Claims (7)

A first display area mounted on a vehicle and displaying an image selected from a plurality of images as a first image, and an image selected from the plurality of images as a second image and displayed in parallel with the first image A display device for a vehicle including a display screen having a second display area,
An input unit for inputting a change request for changing the first image displayed in the first display area;
Storage means for storing relevance between each of the plurality of images selectable as the first image and each of the plurality of images selectable as the second image;
When the specific change request is input to the input unit, the image displayed in the first display area is changed to the first image according to the change request, and the storage unit is configured for the first image. The vehicle display device, comprising: a changing unit configured to change the image displayed in the second display area to the related second image stored in the first display area.   When the release request for canceling the change to the first image is input to the input unit, the change unit is displayed in the first display area on the first image before the change according to the change request. 2. The vehicle according to claim 1, wherein the image is changed, and the image displayed in the second display area is changed to a second image before the change to the related second image. Display device.   When the release request for canceling the change to the second image is input to the input unit, the changing unit adds the second image to the second image before the change to the related second image. The vehicle display device according to claim 1, wherein an image displayed in the display area is changed. The changing means is
An image acquisition unit that acquires the first image generated by the in-vehicle device mounted on the vehicle, and a drawing unit that generates the second image;
When the change request is input to the input unit, the image acquisition unit acquires the first image according to the change request, thereby changing the image displayed in the first display area, and The image displayed in the second display area is changed by causing the drawing unit to generate the second image that is related to the one image. The vehicle display device according to the item.   The drawing unit generates the second image based on acquisition information acquired from at least one of the in-vehicle device that generates the first image and the in-vehicle device different from the in-vehicle device. The vehicle display device according to claim 4. The storage means stores the relevance between the playback image of the video content and the operation image for operating the playback state of the video content,
The changing means is
The reproduction generated by the reproduction device as the in-vehicle device that reproduces the video content when the change request for changing the image displayed in the first display area to the reproduction image is input to the input unit. By changing the image displayed in the first display area to the reproduced image by causing the image acquisition unit to acquire an image,
The image displayed on the second display area is changed to the operation image by causing the drawing unit to generate the operation image based on reproduction state information as the acquisition information acquired from the reproduction device. The vehicle display device according to claim 5. The storage means stores a relationship between a peripheral monitoring image obtained by imaging an external field area around the vehicle and a warning image that warns the presence of an obstacle in the external field area,
The changing means is
When the change request for changing the image displayed in the first display area to the periphery monitoring image is input to the input unit, the image is generated by the periphery monitoring device as the in-vehicle device that captures the outside world region. By changing the image displayed in the first display area to the periphery monitoring image by causing the image acquisition unit to acquire the periphery monitoring image,
By causing the drawing unit to generate the warning image based on the obstacle detection information as the acquisition information acquired from the obstacle detection device as the other vehicle-mounted device that detects the obstacle, the second display region The vehicle display device according to claim 5, wherein an image displayed on the vehicle is changed to the warning image.

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