JP2008114772A - Display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve operability during dual view display. <P>SOLUTION: When touch operation is detected by a touch switch 16 and when a hand of a user performing the touch operation from the left side of a display is detected by a proximity sensor 20, processing corresponding to selection operation of a button displayed in the position where the touch operation is performed on a left side screen is executed (S112). When touch operation is detected by the touch switch 16 and when a hand of a user performing the touch operation from the right side of the display is detected by the proximity sensor 20, processing corresponding to selection operation of a button displayed in the position where the touch operation is performed on a right side screen, is executed (S110). <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a display device having a function capable of differentiating a left screen seen from the left side from the front of the display and a right screen seen from the right side from the front of the display.

  Conventionally, a car navigation system having a display device having a so-called dual view (a dual view is a trademark) function capable of displaying different screens for a driver's seat passenger and a passenger's seat passenger in full screen has been put into practical use. ing.

  With this dual view function, for example, as shown in FIG. 7, it is possible to enjoy a map display from the driver's seat side and a video screen such as TV or DVD video on the passenger seat in full screen display. .

  However, in the car navigation system having such a dual view function, for example, as shown in FIG. 7, when the lower left portion A of the dual view display is touch-operated, the passenger seat screen (left side) Identifying whether the icon B for instructing scrolling of the screen) is touch-operated or whether the icon C for instructing zoom-in of the driver's seat screen (right-side screen) is touch-operated by the driver seat user. Can not.

  For this reason, during dual view display, there is a restriction that only the touch operation on one of the two screens is enabled and the touch operation on the other screen is disabled, resulting in poor operability. is there.

  The present invention has been made in view of the above problems, and an object thereof is to improve operability during dual view display.

  The first feature of the present invention has a function of making it possible to make the left screen visible from the left side of the front of the display different from the right screen seen from the right of the front of the display, and buttons are displayed on the display in a selectable manner. A display device, which is arranged in front of the display and detects a touch operation on the contact surface and a touch position, and a user's hand touching the touch switch from the left side of the display and touching the touch switch from the right side of the display If the touch operation is detected by the detecting means for detecting the user's hand to operate and the touch switch, and the user's hand for touching the touch switch from the left side of the display is detected by the detecting means, To the button displayed at the touched position. If the touch operation is detected by the touch switch and the user's hand touching the touch switch from the right side of the display is detected by the detection means, the touch on the right screen is performed. And an operation execution means for executing processing corresponding to the selection operation on the button displayed at the operated position.

  In such a configuration, when the touch operation is detected by the touch switch and the user's hand touching the touch switch from the left side of the display is detected by the detection unit, the touched position on the left screen is detected. When processing corresponding to the selection operation on the button displayed on the screen is executed, the touch operation is detected by the touch switch, and the user's hand touching the touch switch from the right side of the display is detected by the detection means Since the process according to the selection operation to the button displayed at the touch-operated position on the right screen is executed, the touch operation can be performed without being restricted by the user's position on the display. Can improve the operability during dual view display. Can.

  The detecting means is a light receiving element for detecting the object at the left end and right end of the display by receiving the reflected light reflected by the light emitted from the light emitting element in front of the left end and right end of the display. A proximity sensor having

  A third feature of the present invention is that the display is attached to an intermediate portion between the driver seat and the passenger seat in front of the vehicle.

  Thus, since the display is attached to an intermediate portion between the driver seat and the passenger seat in front of the vehicle, different screens can be displayed to the user on the driver seat side and the user on the passenger seat side.

  FIG. 1 shows the configuration of a vehicle navigation device according to an embodiment of the present invention. The vehicle navigation device 1 is configured as a so-called in-dash type device in which a display device 18 is stored in an intermediate portion between a driver seat and a passenger seat of an instrument panel in front of the vehicle. The vehicle navigation device 1 includes a position detector 10, a map data input device 15, an operation switch group 16, an external memory 17, a display device 18, a voice input microphone 19, a proximity sensor 20, a transceiver 21, and a control circuit 22. ing.

  The position detector 10 has sensors such as a well-known geomagnetic sensor 11, a gyroscope 12, a distance sensor 13 and a GPS receiver 14, and specifies the current position based on the characteristics of each of these sensors. Is output to the control circuit 22.

  The map data input unit 15 is a device for inputting map data including so-called map matching data, map data, and landmark data for improving position accuracy. As a storage medium for storing the map data, a hard disk, DVD-ROM, CD-ROM or the like is used.

  The map data input device 15 in the present embodiment can input not only map data but also a DVD video read from a DVD-ROM in which the DVD video is stored, for example.

  The operation switch group 16 is arranged on the front surface of the display of the display device 18 and is configured by a touch switch that detects a touch operation on the contact surface and a contact position.

  The external memory 17 is a memory provided separately from the inside of the control circuit 22 and stores various data.

  The display device 18 has a display capable of full color display such as liquid crystal, and displays an image corresponding to the video signal input from the control circuit 22 on the display. Note that the display device 18 in the present embodiment is configured to switch between normal display and dual view display in accordance with a user operation.

  When the display device 18 is set to the dual view display according to the user's operation, as shown in FIG. 2, the display device 18 responds to the video signal for the left screen and the video signal for the right screen input from the control circuit 22. The left screen and the right screen are alternately displayed in the horizontal direction for each pixel on the display, and the slit interval of the parallax barrier disposed in front of the liquid crystal panel is controlled. With such a configuration, a dual view function is realized that makes the left screen visible to the user positioned on the left side of the front of the display different from the right screen viewed from the user positioned on the right of the front of the display.

  The voice input microphone 19 collects voice uttered by the user and inputs a voice signal to the control circuit 22.

  The proximity sensor 20 includes a light emitting element that emits infrared light, and a light receiving element that receives reflected light reflected by the user's hand from the infrared light emitted from the light emitting element (both not shown). It functions as a so-called hand-holding switch. The proximity sensors 20 are provided at the left end and the right end of the display of the display device 18, respectively, and as shown in FIG. 3, the red light emitted from the left end and the right end of the display of the display device 18 toward the front. The external light 3 receives the reflected light reflected from the user's hand, so that the user's hand operated from the left side of the display to the touch switch and the user's hand operated from the right side of the display to the touch switch can be brought into contact with each other. A signal indicating the detection is output to the control circuit 22.

  The transceiver 21 is a device for transmitting and receiving data to and from the VICS center 2 via a road device installed along the road. The transceiver 21 receives road congestion information, traffic regulation information, and the like transmitted from the VICS center 2, outputs them to the control circuit 22, and transmits vehicle information, user information, and the like to the VICS center 2.

  The control circuit 22 is configured by a computer including a CPU, an internal memory, and the like. The CPU performs various processes according to a program stored in the internal memory.

  As processing of the control circuit 22, vehicle position calculation processing for calculating the vehicle position based on a signal input from the position detector 10, map data around the vehicle position is read out via the map data input device 15. The map display process that displays the vehicle position mark superimposed on the map around the vehicle position, the video playback process that reads and plays back the DVD video stored in the DVD-ROM, and the dual view function is enabled by user operation. Then, there is a video signal output process for outputting the video signal for the left screen and the video signal for the right screen to the display device 18, respectively.

  Further, in the vehicle navigation device 1, the display setting of the display device 18 is set in advance to either normal display or dual view display according to a menu screen.

  Next, processing of the control circuit 22 will be described with reference to FIG. When the ignition switch is turned on and power is supplied from the battery, the vehicle navigation device 1 is in an operating state, and the control circuit 22 performs the processing in parallel with the processing of the vehicle position calculation processing, the map display processing, etc. The process shown in FIG.

  First, it is determined whether or not the dual view is valid (S100). Specifically, it is determined whether the dual view is in an effective state based on whether the display setting of the display device 18 is set to normal display or dual view display.

  When the display setting of the display device 18 is set to normal display, the determination in S100 is NO, and processing corresponding to the operation on the normal display screen is performed (S102). Specifically, a normal display screen is displayed on the display device 18, and a process of accepting an operation corresponding to a user's touch operation on the touch panel is performed according to this screen display, and the process returns to S100.

  When the display setting of the display device 18 is set to dual view display, the determination in S100 is YES and the process proceeds to S104.

  In S104, the response of the proximity sensor 20 based on whether or not a signal indicating that the user's hand has been detected is input by any of the proximity sensors 20 arranged at the left end and the right end of the display of the display device 18. It is determined whether or not there is.

  In S106, it is determined whether or not an operation has been performed on the touch panel of the display based on whether or not the user's touch operation has been detected by the touch switch.

  In S108, it is determined whether the operation is performed from the left or right based on whether the proximity sensor 20 at the left end or the right end of the display detects the user's hand.

  Therefore, when the user on the driver's seat touches the touch switch of the display while visually recognizing the right screen, the determination in S104 is YES, the determination in S106 is YES, the determination in S108 is “right”, and then the right screen A process corresponding to the touch operation is executed as an operation for (S110). Specifically, a process corresponding to the selection operation on the button displayed at the touched position on the right screen is executed. For example, when the user of the driver's seat touches the lower left portion A of the display by reaching out from the right side of the display while visually recognizing the right screen as shown in “driver's seat side” in FIG. The operation is accepted assuming that the icon C for instructing the user to zoom in on the right screen is touched, the zoom-in is executed, and the process returns to S104.

  When the user on the passenger side touches the touch switch of the display while viewing the left screen, the determination in S104 is YES, the determination in S106 is YES, the determination in S108 is “left”, and then the left screen A process corresponding to the touch operation is executed as an operation for (S110). Specifically, a process corresponding to the selection operation on the button displayed at the touched position on the left screen is executed (S110). For example, when the user of the front passenger seat touches the lower left portion A of the display by reaching out from the left side of the display while visually recognizing the left screen as shown in “passenger side” of FIG. The operation is accepted assuming that the icon B for instructing the user to scroll the left screen is touch-operated, the scroll is executed, and the process returns to S104.

  If the user on the driver's seat side or the user on the passenger seat side extends near the display and is detected by the proximity sensor 20, but the touch switch is not touched, the determination in S104 is YES, The determination in S106 is NO and the process returns to S100.

  According to the above configuration, when a touch operation is detected by the touch switch and a user's hand touching the touch switch from the left side of the display is detected by the proximity sensor 20, the touch operation on the left screen is performed. A process corresponding to the selection operation for the button displayed at the selected position is executed, the touch operation is detected by the touch switch, and the user's hand touching the touch switch from the right side of the display is detected by the proximity sensor 20 In such a case, a process corresponding to the selection operation for the button displayed at the touched position on the right screen is executed, so that the touch operation is not limited by the user's position on the display. Processing according to the operation can be performed, and operations during dual view display It is possible to improve.

  The detection of the user's hand touching the touch switch from the left side of the display and the user's hand touching the touch switch from the right side of the display is arranged at the left and right ends of the display, and the light emitted from the light emitting element is detected. Can be detected by using a proximity sensor having a light receiving element that receives reflected light reflected by an object in front of the left and right ends of the display and detects the object.

  In addition, since the display is attached to an intermediate portion between the driver seat and the passenger seat in front of the vehicle, different screens can be displayed to the user on the driver seat side and the user on the passenger seat side.

  In addition, this invention is not limited to the said embodiment, Based on the meaning of this invention, it can implement with a various form.

  For example, in the above embodiment, the proximity sensor 20 configured by a light emitting element that emits infrared light and a light receiving element that receives reflected light reflected by the user's hand from the infrared light emitted by the light emitting element, Although an example of detecting a user's hand touching the touch switch from the left side of the display and a user's hand touching the touch switch from the right side of the display is shown, the present invention is not limited to such a proximity sensor 20, For example, touch switches from the left side of the display using temperature sensors such as thermography used for temperature detection, infrared sensors that sense infrared rays emitted from the human body, ultrasonic sensors that detect objects by transmitting and receiving ultrasonic waves, etc. Touch operation to touch switch from user's hand and right side of display The user's hand that may be detected.

  In the above-described embodiment, an example of using a so-called in-dash type navigation device in which a display device is housed in a central instrument panel between a driver seat and a passenger seat is shown. You may use for the on-dash type which installs an apparatus, the portable type portable navigation apparatus etc. which can be carried. Further, the present invention can be applied to a display device other than the navigation device.

  The correspondence relationship between the configuration of the above embodiment and the configuration of the claims will be described. The proximity sensor 20 corresponds to a detection unit, and S104, S106, S108, S110, and S112 correspond to an operation execution unit.

It is a figure showing composition of a navigation device for vehicles concerning one embodiment of the present invention. It is a figure which shows the structure of the display apparatus which has a dual view function. It is a figure for demonstrating a proximity sensor. It is a flowchart which shows the process of a control circuit. It is a figure for demonstrating the process according to operation by the user of a driver's seat. It is a figure for demonstrating the process according to operation by the user of a passenger seat. It is a figure for demonstrating a subject.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Vehicle navigation apparatus, 10 ... Position detector, 11 ... Geomagnetic sensor,
12 ... Gyroscope, 13 ... Distance sensor, 14 ... GPS receiver,
15 ... Map data input device, 16 ... Operation switch group, 17 ... External memory,
DESCRIPTION OF SYMBOLS 18 ... Display apparatus, 19 ... Voice input microphone, 20 ... Proximity sensor, 21 ... Transceiver.

Claims (3)

A display device that has a function capable of differentiating a left screen seen from the left side from the front of the display and a right screen seen from the right side from the front of the display, and a button is displayed on the display in a selectable manner,
A touch switch disposed on the front surface of the display for detecting a touch operation and a contact position on the contact surface;
Detecting means for detecting a user's hand touching the touch switch from the left side of the display and a user's hand touching the touch switch from the right side of the display;
When the touch operation is detected by the touch switch, and the user's hand touching the touch switch from the left side of the display is detected by the detection unit, the touch operation on the left screen is performed. A process according to a selection operation for the button displayed at the position is executed, the touch operation is detected by the touch switch, and the detection unit performs a touch operation on the touch switch from the right side of the display. When a hand is detected, an operation executing means is provided for executing a process corresponding to a selection operation on the button displayed at the touched position on the right screen. Display device. The detection means is disposed at the left end and the right end of the display, and detects the object by receiving the reflected light reflected from the object near the left end and the right end of the display. A proximity sensor having a light receiving element that detects a user's hand touching the touch switch from the left side of the display and a user's hand touching the touch switch from the right side of the display. The display device according to claim 1. The display device according to claim 1, wherein the display is attached to an intermediate portion between a driver seat and a passenger seat in front of the vehicle.

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