JP6625178B2 - Multi-display, control method and program - Google Patents

Description

  The present invention relates to a multi-display and the like.

  Display devices equipped with an input device capable of detecting the position of a nearby object, such as a capacitive touch panel, are used not only as electronic blackboards / interactive whiteboards (IWBs) in classrooms and offices, but also in digital signage, stations and the like. They are being used as information boards at airports and as communication tools in local communities. Since information that can be displayed on one display is limited, in recent years, a plurality of displays may be used as a single display in a multi-display configuration.

  For example, consider a display system that includes a plurality of display devices and a host computer (hereinafter, referred to as a host) that controls them and forms one display in a multi-display configuration.

FIG. 11 is an explanatory diagram showing a conventional multi-display system.
This display system is configured to include display devices 100a and 100b and a host 200 that controls display of these devices.

  Each of the display devices 100a and 100b has a configuration in which a touch panel provided with a touch sensor is provided on an upper surface of a display unit such as a liquid crystal panel. The display devices 100a and 100b are arranged adjacent to each other in the horizontal direction. The display unit has an effective display area that enables display. As shown in FIG. 11, when two identical display devices are arranged side by side to form one screen, if the resolution of one display is Full-HD (1920 × 1080), the effective display area of the display device 100a is (0 , 0) to (1919, 1079), and the effective display area of the display device 100b has a coordinate range from (1920, 0) to (3839, 1079). When using an OS that supports touch, such as Windows (registered trademark) 8, Android (registered trademark), and iOS (registered trademark), it is necessary to recognize a touch operation (swipe or the like) from outside the effective display area. Therefore, the effective area of the touch sensor exists not only within the effective display area of the liquid crystal panel but also outside the effective display area.

  The host 200 receives a touch recognition signal of the user touching the screens of the display devices 100a and 100b, generates a video signal based on the signal, and causes the display devices 100a and 100b to display an image as one screen.

  In the single display configuration, even when the touch sensors at the upper, lower, left, and right ends of the display surface are arranged outside the effective display area of the display device, the coordinate values of the touch recognition result returned to the host 200 are input data for one screen display. It does not affect various operations. That is, in the case of displaying an image according to a touch operation, the coordinates of the touch operation do not exceed the coordinate values of the edge boundaries of the effective display area.

  On the other hand, in the case of a multi-display configuration in which a plurality of these display devices are arranged, the host recognizes them as input coordinates for one screen display. As shown in FIG. 11, when the two display devices 100a and 100b are displayed as one screen (resolution: 3840 × 1080), if the right end of the display device 100a is touched, the touch is performed even if the display device is outside the effective display area. Since the effective area of the sensor exists, it is output as effective coordinates. Since the X coordinate at this time is 1920 or more, the host 200 determines that the display device 100b (X = 1920 to 3839) is touched instead of the display device 100a (X = 0 to 1919). As a result, the touch result is reflected on the display device 100b, which is a problem.

  That is, as shown in FIG. 11, the touch sensor area outside the effective display area of the display devices 100a and 100b overlaps the coordinates of the adjacent display device. That is, the right end of the display device 100a has an X coordinate exceeding 1919. The left end of the display device 100b has coordinates smaller than 1920. Therefore, for example, as shown in the drawing, when the user causes the display device 100a to display the image a to the right end by swiping, the overlapping image a is present because the left end of the display device 100b also has overlapping coordinates. Will be displayed. When the user causes the display device 100b to display the image b from the left end by a swipe operation, the duplicated image b is displayed because the right end of the display device 100a also has overlapping coordinates.

  Patent Literature 1 discloses an example in which a multi-display system can be operated in an integrated manner even when a plurality of touch panels are attached. Here, it has been proposed to assign the coordinates of a touch panel provided on a multi-display to virtual coordinates recognizable by an OS.

JP-A-11-161426

  However, the content disclosed in Patent Document 1 cannot cope with the display of the overlapping image due to the output of the overlapping coordinates which occurs when the touch panel is used as described above.

  The present invention has been made in view of the above-described circumstances. It is an object of the present invention to provide a multi-display or the like that can realize the same operation system as in the configuration.

The multi-display of the present invention
A multi-display in which a plurality of display devices having a display panel that displays information in an effective display area are arranged,
A touch sensor provided so as to be able to detect a touch to an area wider than the effective display area of the display panel,
When a touch outside the effective display area located between the adjacent display devices is detected, a control unit that outputs the touch as a touch of the detected display device,
It is characterized by having.

The control method of the present invention includes:
A display control method in a multi-display in which a plurality of display devices including a display panel that displays information in an effective area is arranged,
A touch detection step of detecting a touch on an area larger than the effective display area of the display panel,
When a touch outside the effective display area located between adjacent display devices is detected, a control step of outputting the touch as a touch of the detected display device,
It is characterized by including.

  A program according to the present invention is a program for causing a computer to execute the steps of the display control method.

  According to the present invention, in a multi-display configuration in which a plurality of display devices each including an input device are arranged, the plurality of display devices are regarded as one screen, and touch coordinates outside the effective display region between the display devices are defined as boundaries of the effective display region. By clipping to the position, it is possible to prevent the touch result from being reflected on an adjacent display device, and it is possible to provide the same operation system as in a single display even in a multi-display configuration.

FIG. 1 is an explanatory diagram illustrating a display system of a multi-display according to a first embodiment of the present invention. FIG. 2 is a block diagram illustrating a display system according to the first embodiment. It is a conceptual diagram of the clip processing in 1st Embodiment. 5 is a flowchart illustrating an example of a process for obtaining coordinates according to the first embodiment. FIG. 9 is an explanatory diagram showing the maximum coordinates and the number of arrangements in the XY directions when four display devices are arranged. It is an explanatory view showing a display system of a multi-display in a second embodiment of the present invention. It is a block diagram showing a display system in a 2nd embodiment. It is a conceptual diagram of the clip processing in 2nd Embodiment. It is a flow chart which shows clip processing in a 2nd embodiment. FIG. 14 is an explanatory diagram illustrating an example of a device ID and display configuration information according to the second embodiment. It is an explanatory view showing a display system of a conventional multi-display.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

<First embodiment>
FIG. 1 is an explanatory diagram illustrating a display system of a multi-display according to the first embodiment of the present invention. FIG. 2 is a block diagram illustrating the display system according to the first embodiment.

  The display system of FIG. 1 has a configuration including a display device 10 (10a, 10b) and a host 30 that controls the display of the display devices 10 (10a, 10b), similarly to the conventional display system of FIG. In this example, two display devices are arranged, but the present invention is not limited to this. In the figure, a and b are attached to the reference numerals of the components of each display device to distinguish them, but the functions are the same.

  The display device (display) 10 (10a, 10b) is the same as the conventional display device shown in the figure, and has a configuration having a touch panel provided with a touch sensor on the upper surface of a display unit such as a liquid crystal panel. The resolution (1920 × 1080) is the same. The display device 10a has a configuration in which an edge (right end) adjacent to the display device 10b does not output coordinates outside the effective display area of the display unit 12a to the host 30 as it is. The edge (left end) adjacent to 10a does not directly output coordinates outside the effective display area of the display unit 12b to the host 30. Thus, even when edges adjacent to each other are touched, it is possible to prevent the host 30 from reflecting and displaying the touch result on the other adjacent display (details will be described later).

  The display unit 12 (12a, 12b) of the display device 10 (10a, 10b) is for giving information to a user by displaying it on a screen, and has a planar shape such as a liquid crystal display or an EL display.

  The touch sensor 11 (11a, 11b) provided on the upper surface of the display unit 12 (12a, 12b) is a capacitance sensor, and a touch sensor 11 (11a, 11b) is provided with a plurality of lines arranged in a matrix in a planar manner. This is a sensor that can detect the position of an object by detecting the capacitance between the sensor and the object. As shown in FIG. 1, the effective display area of the display device 10a has a coordinate range from (0, 0) to (1919, 1079), and the effective display area of the display device 10b has (1920, 0) to (3839, 1079).

  Note that the touch sensor is not limited to the capacitance sensor, and may be, for example, a resistive sensor.

  The main control unit 20 (20a, 20b) of the display device 10 (10a, 10b) is a touch operation control unit, and includes a control unit (drive / capacity value receiving unit) 21 (21a, 21b) and a capacitance change detection unit 22 ( 22a, 22b), a touch recognition processing unit 23 (23a, 23b), and a clip processing unit 24 (24a, 24b).

The control unit (drive / capacitance value receiving unit) 21 (21a, 21b) drives the touch sensor 11 (11a, 11b), and receives a capacitance value from the result.
The capacitance change detection unit 22 (22a, 22b) detects a touch operation from a change in the capacitance value.

  The touch recognition processing unit 23 (23a, 23b) determines the position of the pen tip or fingertip on which the touch operation has been performed based on the change in the capacity, and performs the menu operation processing if it is a menu position, and performs the drawing processing if it is not. .

  The clip processing unit 24 (24a, 24b) determines the edge of the effective display area on the side where the adjacent display device is located, based on the configuration information of the display device received from the multi-display control unit 31 of the host 30 (described in detail later). Then, a process of clipping the touch coordinates outside the effective display area at the boundary position of the edge is performed. Touch coordinates in the effective display area are output as detected coordinates.

  The host 30 is a display control unit that receives a touch recognition signal from the display device 10 via a wired or wireless network and transmits a video signal using the display unit 12 of the display device 10 as one screen based on the signal. The host 30 includes a multi-display control unit 31, a drawing information generating unit 32, and a driving unit 33.

  The multi-display control unit 31 manages the current configuration information of the display (the number of components in the X and Y directions and the number of individual arrangements: details will be described later), and transmits the configuration information to the clip processing unit 24 of the display device 10. .

  The drawing information generation unit 32 includes a storage unit (not shown) therein, and the storage unit temporarily displays the drawing information such as handwritten information, display direction, and graph information so as to overlap the drawing information. Menu information to be stored is stored in a separate layer. Then, based on the determination of the menu process and the drawing process of the touch recognition processing unit 23 of the display device 10, control is performed so as to update the content of the storage unit that stores the content to be displayed on the display unit 12 of the display device 10. ing.

  The driving unit 33 drives the display unit 12 based on the information stored in the storage unit in the drawing information generation unit 32, and displays the information on the display unit 12 as one screen.

  The main control unit 20 is provided in the display device 10, and the multi-display control unit 31, the drawing information generation unit 32, and the driving unit 33 are provided in the host 30. These are collectively referred to as an information display control device 40. The information display control device 40 may be one device, and the display device 10 may have only a simple monitoring function.

  FIG. 3 is a conceptual diagram of the clip processing in the first embodiment. FIG. 3 illustrates an example in which one effective display area of another display unit is added to the effective display area of one display unit to form one screen.

  FIG. 3A shows that the effective display area 13b of the display unit 12b of the display device 10b is added to the effective display area 13a of the display unit 12a of the left display device 10a to form one screen. The upper, lower, and left ends outside the effective display area 13a of the display unit 12a are parts outside the effective display area, and are parts whose coordinates are clipped at a boundary position of the effective display area. Similarly, the right end region (hatched portion) 14a of the display unit 12a is a portion to be similarly clipped as a portion outside the effective display region, but when two displays are regarded as one, this right end region is Is no longer regarded as an end, and thus has conventionally been an area that is not clipped. Therefore, for example, when the effective area of the touch sensor of the display unit 12a is outside the effective display area 13a by 7.53 mm, without this processing, the coordinates of about 11 pixels exist on the 60-inch display. When the touch-operated portion is displayed as an image, the touch coordinates in the right area 14a exceed X = 1919 on the display unit 12a. For this reason, on the other adjacent display unit 12b, a touch operation portion larger than X = 1920 on the display unit 12a is reflected and displayed as a touch result. Therefore, in the present embodiment, the main control unit 20a of the display device 10a clips the touch coordinates at the portion 14a and outputs the X coordinates to the host 30 as X = 1919.

  FIG. 3B shows that the effective display area 13a of the display unit 12a of the display device 10a is added to the effective display area 13b of the display unit 12b of the display device 10b on the right to form one screen. The upper, lower, and right ends outside the effective display area 13b of the display unit 12b are parts outside the effective display area, and are parts whose coordinates are clipped. Similarly, the left end region (hatched portion) 14b of the display unit 12b is a portion to be similarly clipped as a portion outside the effective display region, but when two displays are regarded as one, this left end Is no longer regarded as an end, and thus has conventionally been an area that is not clipped. Therefore, for example, when the effective area of the touch sensor of the display unit 12b is 7.53 mm outside the effective display area 13b, if this processing is not performed, as in FIG. Will exist. When the touch-operated portion is displayed as an image, the touch coordinates in the left area 14b have a value smaller than X = 1920 in the display unit 12b. Therefore, on the other adjacent display unit 12a, a touch operation smaller than X = 1920 on the display unit 12b is reflected and displayed as a touch result. Therefore, in the present embodiment, the main control unit 20b of the display device 10b clips the portion 14b and outputs the X coordinate to the host 30 as X = 1920.

FIG. 4 is a flowchart illustrating an example of a process for obtaining coordinates according to the first embodiment.
This process is a process of obtaining the X coordinate and the Y coordinate of the touched position when a plurality of display devices are arranged to display one screen.

  Here, the X direction and the Y direction are determined by determining the origin. For example, the origin is set at the upper left end of one screen formed by the arranged display devices, the X direction is set to the right lateral direction, and the Y direction is set to the lower direction. The maximum number of pixels in the effective display area of the display device alone in the X direction is “WIDTH_X”, and the maximum number of pixels in the Y direction is “WIDTH_Y”. The number of display devices arranged in the X direction from the origin is “POS_X”, and the number of display devices arranged in the Y direction is “POS_Y”.

FIG. 5 is an explanatory diagram showing the maximum coordinates and the number of arrangements in the XY directions when four display devices are arranged. The four display devices D1 to D4 have a resolution of Full-HD (1920 × 1080) and are arranged adjacently in a 2 × 2 (horizontal × vertical) configuration. The four thick frames in FIG. 5 indicate the effective display area of each display device. The storage unit of the multi-display control unit 31 of the host 30 stores the following information as configuration information of the display device.
(1) Configuration number information (m, n) of the display device constituting one screen: (the number of components in the X direction, the number of components in the Y direction)
(2) Arrangement information of target display devices (POS_X, POS_Y): (the number of display devices up to the target display device in the X direction, the number of display devices up to the target display device in the Y direction)
The arrangement information is information indicating an arrangement position of the display device.

Therefore, the configuration information of the display device of FIG. 5 is as follows.
(1) Configuration number information: (m, n) = (2, 2)
(2) Arrangement information display device D1 (POS_X, POS_Y) = (1, 1)
Display device D2 (POS_X, POS_Y) = (2, 1)
Display device D3 (POS_X, POS_Y) = (1, 2)
Display device D4 (POS_X, POS_Y) = (2, 2)

  Next, a process in a case where the user performs an operation by touching the touch sensor will be described with reference to FIG.

  In step S <b> 11, the capacity change detection unit 22 of the main control unit 20 determines whether there is an input from the touch sensor 11 based on the reception result of the control unit 21. If there is an input, the process proceeds to S12, and if there is no input, the process ends.

  In step S12, the touch recognition processing unit 23 multiplies the input X coordinate by the resolution in the X direction (maximum number of pixels in the X direction) of the display device and the number of arrangements in the X direction based on the result of the capacitance change detection unit 22 (WIDTH_X). (* POS_X), it is determined whether or not it is smaller. If smaller, the process proceeds to step S14; otherwise, the process proceeds to step S13.

  In step S13, since the input X coordinate is determined to be an X coordinate outside the effective display area of the target display device in the previous step S12, the clip processing unit 24 sets the output X coordinate to the effective display area. Clip to the maximum X coordinate ((WIDTH_X × POS_X) -1) and proceed to step S17.

  In step S <b> 14, the touch recognition processing unit 23 calculates a value obtained by multiplying the input X coordinate by the number obtained by subtracting 1 from the resolution of the display device in the X direction and the position in the X direction (WIDTH_X × (POS_X−1)). It is determined whether or not there is, and if so, the process proceeds to step S16; otherwise, the process proceeds to step S15.

  In the previous step S14, it is determined that the input X coordinate is an X coordinate outside the effective display area of the target display device. Therefore, in step S15, the clip processing unit 24 replaces the output X coordinate with the effective display area. Clip to the minimum X coordinate (WIDTH_X × (POS_X-1)) and proceed to step S17.

  In step S16, since the input X coordinate is the X coordinate in the effective display area of the target display device, the clip processing unit 24 outputs the output X coordinate to the host 30 without clipping, and proceeds to step S17. .

  In step S17, the touch recognition processing unit 23 determines whether or not the input Y coordinate is smaller than the result of multiplying the resolution of the display device in the Y direction by the position in the Y direction (WIDTH_Y × POS_Y). If smaller, go to S19, otherwise go to S18.

  In step S18, since the input Y coordinate is determined to be the Y coordinate outside the effective display area of the target display device in the previous step S17, the Y coordinate output by the clip processing unit 24 is the maximum of the effective display area. Clip to the Y coordinate ((WIDTH_Y × POS_Y) -1) and end the processing.

  In step S19, the touch recognition processing unit 23 multiplies the input Y coordinate by the number obtained by subtracting 1 from the resolution in the Y direction of the display device and the position in the Y direction (WIDTH_Y × (POS_Y-1)). It is determined whether or not there is, and if so, the process proceeds to step S21; otherwise, the process proceeds to step S20.

  In step S20, since the input Y coordinate is determined to be a Y coordinate outside the effective display area of the target display device in the previous step S19, the clip processing unit 24 sets the output Y coordinate to the minimum of the effective display area. Clip to the Y coordinate (WIDTH_Y × (POS_Y-1)) and end the process.

  In step S21, since the input Y coordinate is the Y coordinate in the effective display area of the target display device, the clip processing unit 24 outputs the input Y coordinate as it is to the host 30 as the output Y coordinate, and ends the processing.

  Thus, the touch coordinates (X coordinate, Y coordinate) input by the user with the touch sensor are output from the display device 10 to the host 30, and the drawing information generating unit 32 of the host 30 generates the drawing information based on the touch coordinates. . Then, the driving unit 33 performs display on each display device as one screen display in the multi-display configuration based on the drawing information.

  According to the example of FIG. 5, the XY coordinates are output from the display device 10 to the host 30 as follows. The display devices D1 and D4 will be described as an example, but the same applies to the display devices D2 and D3.

In the case of the display device D1, the input x coordinate: input_x is
If input_x <1920 is not satisfied, output_x = 11920 is clipped,
If input_x ≧ 0 is not satisfied, clip to output_x = 0,
Otherwise, set output_x = input_x,
Is done.

Also, the input y coordinate: input_y is
If input_y <1080 is not satisfied, output_y is clipped to 1079,
If input_y ≧ 0 is not satisfied, clip to output_y = 0,
Otherwise, set output_y = input_y,
Is done.

  Thus, (output_x, output_y) is output to the host 30 as output coordinates of the display device D1.

Similarly, in the case of the display device D4, the input x coordinate: input_x is
If input_x <3840 is not satisfied, output_x = 3839 is clipped,
If input_x ≧ 1920 is not satisfied, output_x = 1920 is clipped,
Otherwise, set output_x = input_x,
Is done.

Also, the input y coordinate: input_y is
If input_y <2160 is not true, clip to output_y = 2159,
If input_y ≧ 1080 is not true, clip to output_y = 1080,
Otherwise, set output_y = input_y,
Is done.

  Thus, (output_x, output_y) is output to the host 30 as output coordinates of the display device D4.

  In this way, the plurality of display devices constituting the multi-display are regarded as one display, and the coordinates are clipped to the effective display area even in a touch operation between the display devices outside the effective display area. The same operation system as in the case of the single display can be provided even in the case of the multi-display without affecting the display.

<Second embodiment>
FIG. 6 is an explanatory diagram illustrating a display system of a multi-display according to the second embodiment of the present invention.

  The display system of FIG. 6 is configured to include a display device 50 (50a, 50b) and a host 70 for controlling the display. The same parts as those of the display system of the first embodiment in FIG. 1 are denoted by the same reference numerals.

The difference from the first embodiment is as follows.
The display device 50 (50a, 50b) outputs the coordinates as touch coordinates to the host 70 as they are, even if the coordinates are outside the effective display area for the adjacent edges. The host 70, which is a display control part, clips a value larger than X = 1919 in the coordinate output from the display device 50a and a value smaller than x = 1920 in the coordinate output from the display device 50b. I do. Thereby, even when edges adjacent to each other are touched, it is possible to prevent the touch result from being reflected on the other adjacent display.

  FIG. 7 is a block diagram illustrating a display system according to the second embodiment. The same parts as those in the first embodiment in FIG. 2 are denoted by the same reference numerals, and the detailed description is omitted.

In FIG. 7, the clip processing is performed by the host 70. Therefore, the main control unit 60 (60a, 60b) of the display device 50 (50a, 50b) includes a control unit (drive / capacity value receiving unit) 61 (61a, 61b), a capacitance change detection unit 62 (62a, 62b), A touch recognition unit 63 (63a, 63b) is provided, and a clip processing unit is not provided.
The host 70 includes a clip processing unit 71, a drawing information generation unit 72, and a driving unit 73.

The clip processing unit 71 of the host 70 determines, for the coordinate information input from the main control unit 60 (60a, 60b) of the display device 50 (50a, 50b), a portion where the coordinate information outside the effective display area overlaps, Based on (device ID and the like) and the display configuration information, a process of clipping to the coordinates of the edge boundary of the effective display area of the display device on which the touch operation has been performed is performed. By performing the clip processing in this manner, the coordinates that overlap with the adjacent display device are canceled.
The main control unit 60 and the host 70 are collectively referred to as an information display control device 80.

FIG. 8 is a conceptual diagram of the clip processing in the second embodiment.
As shown in FIG. 8, when two displays (1920 × 1080) are arranged side by side, the resolution of the displays is 3840 × 1080.
The left display unit 12a has a device ID = 1, and the right display unit 12b has a device ID = 2. The touch recognition processing unit 63 (63a, 63b) in the main control unit 60 (60a, 60b) of each display device outputs the detected coordinates to the host 70 as it is. As shown in FIG. 8, in the display unit 12a, there is an effective area 14a of the touch sensor beyond the effective display area 13a. In the display unit 12b, there is an effective area 14b of the touch sensor beyond the effective display area 13b. Accordingly, considering the coordinates of the effective display areas 13a and 13b as one screen, the touch sensor effective areas 14a and 14b outside the effective display area respectively exist as areas overlapping the coordinates of the effective display areas of the adjacent display devices. become.

  On the host 70 side, when a touch operation is performed at the overlapping portions 14a and 14b of the coordinates, the touch devices in the overlapping state are output from the display devices 50a and 50b. Therefore, depending on which display device is the touch coordinate. Then, display control is performed after the touch coordinates are clipped as in the first embodiment. Note that clip processing is performed on the outer periphery of the plurality of displays with appropriate values.

  FIG. 9 is a flowchart showing clip processing in the second embodiment. This is for processing when a touch operation is performed and touch coordinates are input to the host 70.

  In step S31, the clip processing unit 71 of the host 70 determines whether there is an input from the display device 50. If there is an input, the process proceeds to step S32; otherwise, the process ends.

  In step S32, the clip processing unit 71 checks the device ID, determines which display device 50 the input is from, and proceeds to step S33.

  In step S33, since the input source has been determined, the clip processing unit 71 sets the position (arrangement information) of the display device as POS_X and POS_Y from the configuration number information, and proceeds to step S34. The configuration number information is stored in a storage unit (not shown) of the host 70, and the set arrangement information is also stored in this storage unit.

  In step S34, the clip processing unit 71 determines whether or not the input X coordinate is smaller than the result of multiplying the maximum resolution of the display device in the X direction and the position (arrangement information) in the X direction (WIDTH_X × POS_X). . If it is smaller, the process proceeds to step S36; otherwise, the process proceeds to step S35.

  In step S35, since the input X coordinate is determined to be the X coordinate outside the effective display area of the target display device in the previous step S34, the clip processing unit 71 sets the output X coordinate to the effective display area. Clip to the maximum X coordinate ((WIDTH_X × POS_X) -1) and proceed to step S39.

  In step S36, the clip processing unit 71 multiplies the input X coordinate by the number obtained by subtracting 1 from the maximum resolution in the X direction of the display device and the position (arrangement information) in the X direction (WIDTH_X × (POS_X−1)). It is determined whether the result is equal to or greater than the result, and if so, the process proceeds to step S38; otherwise, the process proceeds to step S37.

  In step S37, since the input X coordinate is determined to be the X coordinate outside the effective display area of the target display device in the previous step S36, the clip processing unit 71 sets the output X coordinate to the effective display area. Clip to the minimum X coordinate (WIDTH_X × (POS_X-1)) and proceed to step S39.

  In step S38, since the input X coordinate is the X coordinate in the effective display area of the target display device, the clip processing unit 71 outputs the X coordinate as it is as the output X coordinate, and proceeds to step S39.

  In step S39, the clip processing unit 71 determines whether or not the input Y coordinate is smaller than the result of multiplying the maximum resolution of the display device in the Y direction by the position in the Y direction (WIDTH_Y × POS_Y). If smaller, the process proceeds to step S41; otherwise, the process proceeds to step S40.

  In step S40, since the input Y coordinate is determined to be the Y coordinate outside the effective display area of the target display device in the previous step S39, the clip processing unit 71 sets the output Y coordinate to the effective display area. Clip to the maximum Y coordinate ((WIDTH_Y × POS_Y) -1) and end the process.

  In step S41, the clip processing unit 71 is equal to or more than the result of multiplying the input Y coordinate by the number obtained by subtracting 1 from the resolution in the Y direction of the display device and the position in the Y direction (WIDTH_Y × (POS_Y-1)). It is determined whether or not, and if so, the process proceeds to step S43; otherwise, the process proceeds to step S42.

  In step S42, since the input Y coordinate is determined to be the Y coordinate outside the effective display area of the target display device in the previous step S41, the clip processing unit 71 sets the Y coordinate to be output to the effective display area. Clip to the minimum Y coordinate (WIDTH_Y × (POS_Y-1)) and end the process.

  In step S43, since the input Y coordinate is the Y coordinate in the effective display area of the target display device, the clip processing unit 71 outputs the Y coordinate as it is as the output Y coordinate, and ends the processing.

  In this way, the touch coordinates (X coordinate, Y coordinate) input by the user using the touch sensor are output from the display devices 50a and 50b, and the clip processing unit 71 of the host 70 performs clip processing on the overlapping coordinate portion of the touch coordinates. The drawing information generating unit 72 of the host 70 generates drawing information based on the touch coordinates. Then, the driving unit 73 performs display on each display device as one screen display in a multi-display configuration based on the drawing information.

FIG. 10 is an explanatory diagram illustrating an example of a device ID and display configuration information according to the second embodiment.
In the case of a 2 × 2 four-screen display, for example, when device ID = 3 is set in Display 3, (POS_X, POS_Y) = (1, 2) is obtained by referring to the configuration information of the display, and The processing of S33 of No. 9 is performed.

  If a table in which the device IDs and the configuration information (POS_X, POS_Y) are associated with each other is set for each configuration number and arrangement as described above, the configuration information is associated with the display only by associating each display with the device ID. Can be In this way, even if the number of displays to be displayed dynamically changes in the multi-display configuration of m × n (m and n are natural numbers), it can be dealt with by setting the respective configuration information in advance. Become.

  The program that operates on the information display control device according to the present invention may be a program that controls a CPU (Central Processing Unit) or the like (a program that causes a computer to function) so as to realize the functions of the above-described embodiments according to the present invention. good. The information handled by these devices is temporarily stored in a RAM (Random Access Memory) at the time of processing, and thereafter stored in various ROMs such as a Flash ROM (Read Only Memory) or an HDD (Hard Disk Drive). Reading, correction and writing are performed by the CPU as necessary. In addition, a program for realizing the function of each configuration may be recorded on a computer-readable recording medium, and the program recorded on this recording medium may be read into a computer system and executed to execute processing of each unit. Good. Here, the “computer system” includes an OS and hardware such as peripheral devices.

  The “computer-readable recording medium” refers to a portable medium such as a flexible disk, a magneto-optical disk, a ROM, and a CD-ROM, and a storage device such as a hard disk built in a computer system. Further, a “computer-readable recording medium” refers to a communication line for transmitting a program via a network such as the Internet or a communication line such as a telephone line, which dynamically holds the program for a short time. In this case, it is also assumed that a program that holds a program for a certain period of time, such as a volatile memory in a computer system serving as a server or a client in that case, is included. Further, the above-mentioned program may be for realizing a part of the above-mentioned functions, or may be for realizing the above-mentioned functions in combination with a program already recorded in a computer system.

  As described above, the embodiments of the present invention have been described in detail with reference to the drawings. However, the specific configuration is not limited to these embodiments, and the invention in which the design is changed without departing from the gist of the present invention. Is also included.

  Further, the information display control device described in the present embodiment, as a single screen by arranging a plurality of display devices including a display screen for displaying information and a touch sensor capable of detecting an input to the display screen An information display control device that performs display control, a touch recognition processing unit that recognizes a touch operation on the display screen from a detection result of the touch sensor, and a configuration information management unit that manages configuration information related to an arrangement of the display device. An effective display area calculation unit that calculates an effective display area of the display device from the configuration information and the resolution of the display device, and the coordinates touched by the touch operation are coordinates outside the effective display region. A clip processing unit that clips in the effective display area and outputs touch coordinates while leaving the coordinates in the effective display area unchanged; A drawing information generating unit for generating drawing information in accordance with the touch coordinates may be configured to include a.

  Further, in the information display control device described in the present embodiment, when the coordinates touched by the touch operation are coordinates that become an effective display area of another display device, the clip processing unit may include the touched coordinates. It may be configured to clip to the edge near the position.

  Further, the information display control method described in the present embodiment, as a single screen by arranging a plurality of display devices including a display screen for displaying information and a touch sensor capable of detecting an input to the display screen An information display control method for performing display control, comprising: a touch recognition processing step of recognizing a touch operation on the display screen from a detection result of the touch sensor; and a configuration information management step of managing configuration information relating to an arrangement of the display device. An effective display area calculating step of calculating an effective display area of the display device from the configuration information and the resolution of the display device, and the coordinates touched by the touch operation are coordinates outside the effective display region. A clip processing step of clipping in the effective display area and outputting touch coordinates while keeping the coordinates in the effective display area A drawing information generating step of generating drawing information according to the touch coordinates obtained by the clip processing steps, it may be configured to include a.

  Further, the information display system described in the present embodiment has a plurality of display devices each including a display screen for displaying information and a touch sensor capable of detecting an input to the display screen, and is connected to each display device. In the information display system including the information display control device is performed, the display device, a touch recognition processing unit that recognizes a touch operation on the display screen from the detection result of the touch sensor, the coordinates touched by the touch operation the A transmission unit that transmits the information to the information display control device, wherein the information display control device performs display control of the display screens of the plurality of arranged display devices as one screen, and relates to an arrangement of the display devices. An effective display area of the display device is calculated from a configuration information management unit that manages configuration information, the configuration information, and a resolution of the display device. Effective display area calculation unit to perform, if the coordinates received from the display device are coordinates outside the effective display region of the display device, clip the effective display region, and touch the coordinates in the effective display region as they are. A configuration may also be provided that includes a clip processing unit that outputs and a drawing information generation unit that generates drawing information in accordance with touch coordinates from the clip processing unit.

10: display device 11: touch sensor 12: display unit 20: main control unit 21: control unit 22: capacity change detection unit 23: touch recognition processing unit 24: clip processing unit 30: host computer 31: multi-display control unit 32: Drawing information generation unit 33: Drive unit 40: Information display control device 50: Display device 60: Main control unit 61: Control unit 62: Capacity change detection unit 63: Touch recognition processing unit 70: Host computer 71: Clip processing unit 72: Drawing information generation unit 73: drive unit 80: information display control device

Claims (5)

A multi-display in which a plurality of display devices having a display panel that displays information in an effective display area are arranged,
A touch sensor provided so as to be able to detect a touch to an area wider than the effective display area of the display panel,
When a touch outside the effective display area located between the adjacent display devices is detected, a control unit that outputs assuming that the touch has been made within the effective display area of the display device that has detected the touch,
A multi-display comprising: A driving unit that displays drawing information generated based on the touch,
When the control unit detects a touch outside the effective display area located between the adjacent display devices, the driving unit does not display the drawing information on the display device adjacent to the display device that has detected the touch. The multi-display according to claim 1, wherein:   The method according to claim 1, wherein, when the touch is an effective display area of another display device, the control unit outputs the touch by regarding the touch as a touch on a boundary position near the position of the touch. Multi-display as described. A control method in a multi-display in which a plurality of display devices each including a display panel that displays information in an effective display area is provided,
A touch detection step of detecting a touch on an area larger than the effective display area of the display panel,
When a touch outside the effective display area located between the adjacent display devices is detected, a control step of outputting assuming that the touch has been made within the effective display area of the display device that has detected the touch,
A control method comprising: The computer program for executing the steps of the control method according to claim 4.

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