JP5868783B2 - Information display device and information input / output device including the information display device - Google Patents

Description

  The present invention relates to an information display device, an information input / output device including the information display device, an information input / output system including the information input / output device, and a display method.

  In recent years, in order to display a large screen in a small space, a table type display device having a table surface as a display surface has been proposed. With regard to such a table type display device, Patent Document 1 displays a plurality of windows on one display screen, and the plurality of windows can be individually changed in display direction, and can be operated independently. A display device capable of displaying a screen is disclosed. However, in the display device of Patent Document 1, a case where an object that hinders display is placed on the display screen has not been studied.

  Therefore, Patent Document 2 discloses a display device that changes a display position and a display form of display content when a display inhibition area where a display inhibition factor is placed on a display surface is detected. As a result, the display content hidden behind the display obstructing factor can be displayed at the position where the user can see the display content by changing the display method as it is, or by reducing or scaling it.

Patent No. 3840266 (Registered on August 11, 2006) JP 2004-271866 A (published on September 30, 2004)

  However, in the display device described in Patent Document 2, for example, when an object is placed around the display surface, the entire display surface or almost the entire display surface is detected as a display inhibition region. In such a case, the display content (display image) cannot be displayed, or even if it can be displayed by being reduced, the visibility is deteriorated. Therefore, a display maintaining visibility is desired.

  Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to provide an information display device capable of avoiding a shielding object on a display image and displaying without impairing visibility, and the information display. An information input / output device including the device, an information input / output system including the information input / output device, and a display method are provided.

  In order to solve the above problems, an information display device according to the present invention detects a display surface for displaying an image and that at least a part of the display image displayed on the display surface is shielded by a shielding object. An occlusion detection unit, a displayable region detection unit that detects a displayable region that is not occluded by the occlusion object and can display an image on the display surface, and the occlusion detection unit shields the display image. When detected, the display image is divided into a plurality of divided images so that all of the plurality of divided images fall within the displayable area detected by the displayable area detection unit, and the plurality of divided images And a display control unit that displays the plurality of divided images in the displayable area so that the arrangement in the displayable area is the same as the arrangement in the display image.

  According to the above configuration, when it is detected that the display image displayed on the display surface is shielded by the shielding object, the display image is divided into a plurality of divided images, and the plurality of divided images are divided into the shielding objects. The image is displayed in a displayable area that is not shielded by and can display an image. At this time, all of the plurality of divided images are included in the displayable area, and the arrangement of the plurality of divided images in the displayable area is the same as the arrangement in the display image.

  Even when multiple areas on the display surface are shielded by a shielding object, the display image can be displayed by dividing the display image into multiple divided images that are not shielded by the shielding object and can be displayed. These divided images can be displayed in the region, and can be displayed without impairing the visibility as compared with the conventional case. Moreover, since all the divided images, that is, all the display images before being divided are displayed in the displayable area, there is no missing information. In addition, since the arrangement of the plurality of divided images in the displayable area is displayed so as to be the same as the arrangement in the display image, it is possible to reduce discomfort in display before and after the division.

  Therefore, according to the above configuration, it is possible to display an image without obscuring an obstructing object on the display image and without impairing the visibility.

  In the information display device according to the present invention, in addition to the above configuration, the display control unit detects the shielding of the display image by the shielding detection unit when the display image is displayed as a plurality of windows. Then, it may be divided into window units.

  According to the above configuration, each window can be divided into windows and displayed separately in the displayable area. Since it is a window unit, the information (contents) of the divided image is easy for the user to see.

  Further, in the information display device according to the present invention, in addition to the above configuration, the display control unit detects the shielding of the display image by the shielding detection unit when the display image is displayed as one window. Then, the window may be divided at a predetermined interval.

  According to the above configuration, one window can be divided at a predetermined partition and displayed in the displayable area. The predetermined break may be, for example, the center line of the window.

  In the information display device according to the present invention, in addition to the above configuration, the display control unit may determine the display image division form according to the size and shape of the displayable area.

  According to the above configuration, how to divide the display image is determined according to the size and shape of the displayable area. Therefore, it is possible to perform easy-to-view display adapted to the size and shape of the displayable area.

  In the information display device according to the present invention, in addition to the above configuration, the display control unit may display the divided image in the displayable area and in the vicinity of a predetermined end of the display surface. .

  According to the above configuration, the divided image is displayed in the displayable area and in the vicinity of the predetermined end portion of the display surface. Here, by setting the predetermined end to be a side that hits the ground in the vertical direction of the display surface, the divided image can be displayed near the user who visually recognizes the display surface from the vicinity of the side that hits the ground in the vertical direction. . Since there are many users who visually recognize the display surface from the vicinity of the side that hits the ground in the top-and-bottom direction, a display with high visibility for many users can be performed by performing the display as described above.

  In addition to the above configuration, the information display apparatus according to the present invention may display the divided image in an enlarged manner.

  According to the above configuration, by displaying the divided image in an enlarged manner, the divided image can be easily visually recognized even if the user is at a position away from the divided image.

  Note that the information display device described above may be mounted as an output unit of an information input / output device including an input unit for inputting information and an output unit for outputting information. Input / output systems also fall within the scope of the present invention. These information input / output device and information input / output system also have the same effects as the information display device.

  According to another aspect of the present invention, there is provided a display method for displaying an image on a display surface, wherein at least a part of the display image displayed on the display surface for displaying the image is shielded by a shielding object. An occlusion detection step for detecting that the image is displayed; a displayable area detection step for detecting a displayable area that is not occluded by the occlusion object and can display an image on the display surface; and a plurality of the display images. A division step of dividing the plurality of divided images, and the display of the plurality of divided images so that all of the plurality of divided images fall within the displayable area detected in the displayable area detecting step. A display control step of displaying the plurality of divided images in the displayable region so that the arrangement in the region is the same as the arrangement in the display image. To have.

  According to the above method, the same effect as that of the information display device can be obtained, and an image can be displayed while avoiding a shielding object on the display image and improving visibility.

  According to the present invention, even when a plurality of areas on the display surface are shielded by a shielding object, the display image is not shielded by the shielding object and can be displayed by dividing the display image into a plurality of divided images. These divided images can be displayed in a displayable area, which is a large area, and display can be performed without impairing visibility as compared with the conventional case. Moreover, since all the divided images, that is, all the display images before being divided are displayed in the displayable area, there is no missing information. In addition, since the arrangement of the plurality of divided images in the displayable area is displayed so as to be the same as the arrangement in the display image, it is possible to reduce discomfort in display before and after the division.

  Therefore, according to the present invention, it is possible to avoid an occluded object on a display image and display an image without impairing visibility.

1 is a block diagram illustrating a schematic configuration of an information display device according to an embodiment of the present invention. It is a figure which shows an example of a display when the display image of the said information display apparatus is shielded. It is a figure which shows another example of the display when the display image of the said information display apparatus is shielded. It is a figure which shows another example of a display when the display image of the said information display apparatus is shielded. It is a figure which shows the flow of a process in the said information display apparatus.

  The present invention will be described in detail by the following embodiments. In the following description, members having the same function and action are denoted by the same reference numerals and description thereof is omitted.

  The information display device 1 according to the present embodiment is a table (desk) type display device, like a table (desk) type PC, as shown in a top view in FIG. 2, and is input to the information display device 1. A display panel 2 for displaying an image is provided as a top board. As the information display device 1, for example, a display device such as a liquid crystal display device, an organic ELD, a display such as electronic paper using electrophoresis, a plasma display, a plasma tube array display, a display using an electron-emitting device, or the like is used. it can.

  A block diagram showing a functional configuration of the information display device 1 is shown in FIG. As shown in FIG. 1, the information display device 1 includes a display panel (display surface) 2, a shielding detection unit 3, a displayable area detection unit 4, a display control unit 5, a control unit 6, and a storage unit 7. And.

  The display panel 2 is a display surface that displays an image to be presented to the user. The image displayed on the display panel 2 may be a moving image, a still image, a planar image, or a stereoscopic image. In the present embodiment, the image displayed on the display panel 2 includes various information such as characters. When the display panel 2 is provided as a touch panel, for example, as shown in FIG. 2, it is possible to display images of various icons 8 that accept operations from the image user.

  The shielding detection unit 3 is a block that detects that at least a part of a display image that is an image displayed on the display panel 2 is shielded by a shielding object. The detection of shielding can be performed by, for example, a change in voltage if the display panel 2 is a touch panel, or a change in reflected light in the case of an optical touch panel. Alternatively, the display panel 2 may be photographed from the outside, and the shielding of the display image may be detected from the photographed image. In addition to these, detection of shielding can be performed using a known technique.

  Here, the shielding object is an object placed on the display panel 2. When the information display device 1 is used as a desk, for example, it is a notebook, and when it is used as a table, it is a tableware or the like. Of course, these are merely examples.

  The displayable area detection unit 4 is a block that detects a displayable area in the display panel 2 that is not shielded by a shielding object and can display an image. Here, the displayable area is an area on the display surface of the display panel 2 excluding an area shielded by a shielding object and an area where an image other than a display image to be divided is displayed.

  The displayable area is detected by detecting the shielding by the shielding detection unit 3 so that the shielded area on the display panel 2 is known and the area displaying the image is grasped by the display control unit 5. The displayable area detector 4 can detect the displayable area based on the information.

  The display control unit 5 is a block that performs various controls for causing the display panel 2 to display images and various types of information. The display control unit 5 performs the following control when the shielding detection unit 3 detects the shielding of the display image by the shielding object. The display control unit 5 divides the display image into a plurality of divided images, and displays the plurality of divided images so that all of the plurality of divided images enter the displayable region detected by the displayable region detection unit 4. A plurality of divided images are displayed in the displayable area so that the arrangement in the possible area is the same as the arrangement in the display image before the division.

  The control unit 6 is a block that controls various operations of each block of the information display device 1 based on programs and data stored in the storage unit 7 and various instructions input from the display panel 2 that is a touch panel. .

  The storage unit 7 is a block that stores various types of information. The storage unit 7 includes (1) a control program executed by the control unit 6 of the information display device 1, (2) an OS program executed by the control unit 6, and (3) various functions that the control unit 6 has in the information display device 1. And (4) various data to be read when the application program is executed. Alternatively, (5) the control unit 6 stores data used for calculation in the process of executing various functions, calculation results, and the like. For example, the above data (1) to (4) are stored in ROM (read only memory), flash memory, EPROM (Erasable Programmable ROM), EEPROM (Electrically EPROM) (registered trademark), HDD (Hard Disc Drive), etc. It is stored in a non-volatile storage device. For example, the data (5) is stored in a volatile storage device such as a RAM (Random Access Memory).

  The storage unit 7 stores an image to be displayed on the display panel 2. The information display device 1 includes, for example, a communication unit that communicates with an external device, in addition to displaying the image stored in the storage unit 7, and is configured to display an image received from the external device. Also good.

  Next, the flow of processing in the information display apparatus 1 will be described with reference to the flowchart of FIG.

  First, it is determined whether it is detected that the display image displayed on the display panel 2 is shielded by a shielding object (S1, shielding detection step). When it is not detected (NO in S1), that is, when it is not shielded, it waits until it is shielded. If it is detected (YES in S1), that is, if it is shielded, a displayable area on the display panel 2 is detected (S2, displayable area detection step), and a plurality of display images are displayed so that they can be displayed in the displayable area. The image is divided into divided images (S3, division step) so that all of the plurality of divided images fall within the displayable area, and the arrangement of the plurality of divided images in the displayable area is the arrangement in the display image before the division. A plurality of divided images are displayed in the displayable area (S4, display control step).

  In the information display device 1, even if a plurality of areas of the display panel 2 are shielded by the shielding object by the above processing, the display image is not shielded by the shielding object by dividing the display image into a plurality of divided images. These divided images can be displayed in a displayable area, which is an area in which an image can be displayed, and can be displayed without impairing the visibility as compared with the conventional case. In addition, since all the divided images, that is, all the display images before being divided are displayed in the displayable area, no information is lost. In addition, since the arrangement of the plurality of divided images in the displayable area is displayed so as to be the same as the arrangement in the display image, it is possible to reduce discomfort in display before and after the division.

  Therefore, according to the information display device 1, it is possible to avoid the shielding object on the display image and display the image without impairing the visibility.

  Next, an example in which an image is divided and displayed on the information display device 1 will be specifically described.

Example 1
In the present embodiment, as shown in FIG. 2A, two windows (display images) of window A and window B are displayed on the display panel 2 of the information display device 1. When these are displayed, as shown in FIG. 2 (b), when the shielding object (here, a notebook) is placed on the display panel 2 and the shielding object shields at least part of the windows A and B, the user Cannot visually recognize at least a part of the displayed windows A and B. Therefore, in the information display device 1, when a shielding object is placed on the display panel 2 and at least a part of the windows A and B is shielded, the information display device 1 divides the window into window units as shown in FIG. Each of A and B is moved to a displayable area excluding the area shielded by the shielding object (shielding area) and displayed. When another image (or another window) is displayed on the display panel 2 without being shielded by the shielding object, the shielding region and another image (or another window) are displayed. The area excluding the area becomes the displayable area.

  When the information display device 1 performs display in divided windows, both the windows A and B are in the displayable area, and the arrangement of the windows A and B in the displayable area is the same as before the division. Display to be the same as the line. In this embodiment, window A can be displayed on the left displayable area when the vertical direction of the display panel 2 is positive, and window B can be displayed on the right side when the vertical direction of the display panel 2 is positive. Displayed in the area.

  Here, the display control unit 5 determines a display image division mode (how to divide the display image) according to the size and shape of the displayable area. By determining the division form in this way, it is possible to perform easy-to-view display adapted to the size and shape of the displayable area.

  The display control unit 5 displays windows A and B (divided images) divided in window units in the vicinity of a predetermined end of the display panel 2 within the displayable area. In the present embodiment, it is assumed that the predetermined end is a side that hits the ground of the display panel 2 in the vertical direction. Therefore, in this embodiment, the windows A and B are displayed in the vicinity of the user who visually recognizes the display panel 2 from the vicinity of the side that hits the ground in the vertical direction. The display panel 2 is visually recognized from the vicinity of the side that hits the ground in the vertical direction, that is, since there are many users sitting near the side that hits the ground in the vertical direction, the windows A and B are displayed near the side that hits the ground. Thus, it is possible to perform display with high visibility for many users.

  Alternatively, the information display device 1 includes user detection means for detecting a user, and displays windows A and B divided in window units in the displayable area and in the vicinity of the user detected by the user detection means. It may be configured to.

(Example 2)
In the first embodiment, a case has been described in which a plurality of windows are displayed on the display panel 2 and are divided and displayed in window units. However, in this embodiment, the information display device 1 displays one window on the display panel 2. The case where it is displayed will be described.

  As shown in FIG. 3A, one window (display image) B is displayed on the display panel 2 of the information display device 1. When the window B is displayed, when a shielding object (here, a notebook) is placed on the display panel 2 and the shielding object shields at least a part of the window B, the user can select at least one of the displayed windows B. The part cannot be seen. Therefore, in the information display device 1, when a shielding object is placed on the display panel 2 and at least a part of the window B is shielded, the window B is divided at predetermined intervals as shown in FIG. Then, the divided images B ′ and B ″, which are the divided images, are moved to the displayable area excluding the area shielded by the shielding object (shielding area) and displayed.

  When the information display device 1 divides and displays the window B into the divided images B ′ and B ″, the divided images B ′ and B ″ both enter the displayable area, and the divided images B ′ and B ″ The display is performed so that the arrangement in the displayable area of B ″ is the same as the arrangement before the division.

  In the present embodiment, the divided image B ′ is displayed in the left displayable area when the vertical direction of the display panel 2 is positive, and the divided image B ″ is displayed when the vertical direction of the display panel 2 is positive. It is displayed in the displayable area on the right side.

  In the present embodiment, the predetermined break of the window B is the center line of the window B. The predetermined partition may be a line at the center of the window, but the window originally has a partition, and the information display device 1 may be divided along the window. Alternatively, the information display device 1 may determine a break.

(Example 3)
In the first and second embodiments, the divided image is displayed as it is, but if the divided image is enlarged and displayed, the visibility is improved. Therefore, in this embodiment, a case will be described in which a divided image is enlarged and displayed.

  As shown in FIG. 4A, one window (display image) B is displayed on the display panel 2 of the information display device 1. At this time, when a shielding object is placed on the display panel 2 and at least a part of the window B is shielded, the information display apparatus 1 divides the window B into predetermined divisions as shown in FIG. Then, the divided images B ′ and B ″, which are the divided images, are moved to the displayable area excluding the area shielded by the shielding object (shielding area) and displayed in an enlarged manner. The image B ′ is enlarged and displayed in the left displayable area when the vertical direction of the display panel 2 is positive, and the divided image B ″ is displayed when the vertical direction of the display panel 2 is positive. It is enlarged and displayed in the displayable area on the right side.

  By enlarging and displaying the divided images B ′ and B ″, the divided images B ′ and B ″ can be easily visually recognized even if the user is at a position away from the divided images B ′ and B ″.

(Other application examples)
The present invention is not limited to the above-described embodiments, and various modifications can be made. That is, embodiments obtained by combining technical means appropriately changed within the scope not departing from the gist of the present invention are also included in the technical scope of the present invention.

  In the above, the information display device according to the present invention has been described by taking a table-type display device as an example. However, the present invention is not limited to this, and the information display device according to the present invention is, for example, an electronic blackboard (electronic white Board). In this case, if the blackboard surface is shielded by a user (for example, a lecturer) standing in front of the electronic blackboard, the display image displayed on the blackboard surface is divided and the divided images are not shielded by the user. By displaying in the displayable area, it is possible to perform display that is easy to see for a person (for example, an auditor) who views the blackboard or writes on the blackboard.

  Further, for example, an information input / output device or an information input / output system including the information input / output device can be realized by using the information display device 1. When realizing these, information that can input and output information by providing an input means such as a touch panel, a keyboard, or a gesture input device using a Ubi-Finger device while displaying an image on the information display device 1 as an output means An input / output device may be configured. Moreover, what is necessary is just to comprise an information input / output system provided with the said information input / output device. The information input / output device and the information input / output system also have the same effects as the information display device 1 described above.

(Program and recording medium)
The information display device 1 described above may be configured by hardware logic, or may be realized by software using a CPU as follows.

  That is, the information display device 1 includes a CPU (central processing unit) that executes instructions of a control program that realizes each function, a ROM (read only memory) that stores the program, and a RAM (random access memory) that expands the program. And a storage device (recording medium) such as a memory for storing the program and various data. An object of the present invention is a recording medium in which program codes (execution format program, intermediate code program, source program) of each control program of the information display apparatus 1 which is software for realizing the above-described functions are recorded so as to be readable by a computer. Can also be achieved by reading the program code recorded on the recording medium and executing it by the computer (or CPU or MPU).

  Examples of the recording medium include tapes such as magnetic tapes and cassette tapes, magnetic disks such as floppy (registered trademark) disks / hard disks, and disks including optical disks such as CD-ROM / MO / MD / DVD / CD-R. IC cards (including memory cards) / optical cards, etc., semiconductor memories such as mask ROM / EPROM / EEPROM (registered trademark) / flash ROM, logic circuits such as PLD (Programmable logic device), etc. Can be used.

  The information display device 1 may be configured to be connectable to a communication network, and the program code may be supplied via the communication network. The communication network is not particularly limited. For example, the Internet, intranet, extranet, LAN, ISDN, VAN, CATV communication network, virtual private network, telephone line network, mobile communication network, satellite communication. A net or the like is available. Also, the transmission medium constituting the communication network is not particularly limited. For example, even in the case of wired such as IEEE 1394, USB, power line carrier, cable TV line, telephone line, ADSL line, etc., infrared rays such as IrDA and remote control, Bluetooth ( (Registered trademark), IEEE802.11 radio, HDR (High Data Rate), NFC (Near Field Communication), DLNA (Digital Living Network Alliance), mobile phone network, satellite line, terrestrial digital network, etc. . The present invention can also be realized in the form of a computer data signal embedded in a carrier wave in which the program code is embodied by electronic transmission.

  The information display device according to the present invention can be used as, for example, a table in an office or home desk, a waiting room in a public place, a restaurant, a coffee shop, or the like. Moreover, you may utilize for an electronic blackboard etc.

1 Information display device 2 Display panel (display surface)
3 Shielding detection unit 4 Displayable area detection unit 5 Display control unit

Claims (7)

When at least part of the display information displayed on the display surface for displaying information is shielded by a shielding object,
The display information is divided into a plurality of pieces, and the divided display information is displayed in a displayable area that is not shielded by the shielding object on the display surface and can display information .
The information display device, wherein the shielding object is a user standing in front of the display surface .   2. The information display device according to claim 1, wherein the divided display information is displayed in the vicinity of a user of the information display device.   3. The information display device according to claim 1, wherein the divided display information is displayed in the displayable area so that the arrangement thereof is the same as the arrangement of the display information before shielding.   The information display device according to any one of claims 1 to 3, wherein a division form of the display information is determined according to a size and a shape of the displayable area.   5. The information display device according to claim 1, wherein the display information includes various types of information such as a moving image, a still image, a planar image, a stereoscopic image, and characters.   6. The information display device according to claim 1, wherein the divided display information is displayed in the displayable area and in the vicinity of a predetermined end portion of the display surface.   An information input / output device comprising an input means for inputting information and an output means for outputting information, comprising the information display device according to any one of claims 1 to 6 as the output means. Information input / output device.

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