JP2013128247A - Display device, television receiver, display method, computer program and recording medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device in which a load of a user on a change of the number of screens is small, the change of one or a plurality of screens which are set in a display section when the number of screens is changed is natural and the image can be displayed on the display section without waste, and to provide a television receiver, a display method, a computer program and a recording medium where the computer program is recorded.SOLUTION: A display control section 21 receives an addition instruction or a reduction instruction of a screen, which is set in a display section 45, namely, an instruction to change the number of screens. When the instruction to change the number of screens is received, the display control section 21 selects a screen layout whose value showing similarity with a used screen layout at present is a prescribed value or more from screen layouts for setting the number of screens, which is changed in accordance with the instruction, on the display section 45. The display control section 21 sets one or the plurality of screens on the display section 45 in the selected screen layout.

Description

  The present invention relates to a display device that displays an image on one or a plurality of screens set in a display unit such as a liquid crystal panel or an organic EL (Electro Luminescence) panel, a television receiver, a display method, a computer program, and the computer program The present invention relates to a recording medium on which is recorded.

  Currently, display devices that set one or a plurality of screens in a rectangular display unit and display images related to television broadcasts, web pages, or the like on the set one or more screens are widely used.

  When changing the number of screens to be set in the display unit, the user selects one screen layout from a plurality of screen layouts for setting the changed number of screens in the display unit, and selects the selected screen layout. adjust. The display device sets one or a plurality of screens in the display unit with the screen layout selected and adjusted.

  Here, when the number of screens set in the display unit after changing the number of screens is two or less, for example, when changing the number of screens set in the display unit from one screen to two screens, the user The number of screen layouts that can be selected is small. For this reason, the user can easily select a screen layout for displaying an image without waste on the display unit. Further, since the number of screens set in the display unit is small, the load on the user necessary for adjusting the screen layout is small.

  However, when the number of screens set in the display unit after changing the number of screens is 3 or more, for example, when the number of screens set in the display unit is changed from 3 screens to 4 screens, There are many screen layouts that can be selected. For this reason, selection of a screen layout for displaying an image without waste on the display unit is a burdensome task for the user. Furthermore, since the number of screens set in the display unit is large, the load on the user necessary for adjusting the screen layout is also large.

  In Patent Documents 1 and 2, when the number of screens set in the display unit is changed, a screen layout for displaying the changed number of screens is automatically selected, and one or a plurality of screens are displayed with the selected screen layout. A display device that sets and displays an image on each screen is disclosed.

  The display device described in Patent Document 1 stores screen layouts of 4 screens, 6 screens, 9 screens, 12 screens, 16 screens, and 20 screens obtained by equally dividing a display region. The display device described in Patent Document 1 has the smallest number of screens out of one or a plurality of screen layouts in which one or more screens can be set when setting one or a plurality of screens. Screen layout is selected, and one or more screens are set with the selected screen layout. For example, when the number of screens to be displayed on the display unit is 3, 4 screen layouts are selected.

  A display device described in Patent Literature 2 is a screen layout for setting one or a plurality of screens for separately displaying one or a plurality of images selected by a user within a predetermined time from a plurality of images related to television broadcasting. Is selected. The display device described in Patent Literature 2 sets one or a plurality of screens with a selected screen layout, and displays an image selected by the user on the set one or a plurality of screens.

  In the display devices described in Patent Documents 1 and 2, when the number of screens set in the display unit is changed, the screen layout is automatically selected, and the user does not need to select the screen layout. The load on the user for changing the number of screens is small.

Japanese Patent Laid-Open No. 11-55592 JP 2010-8984 A

  However, in the display devices described in Patent Documents 1 and 2, when the number of screens set in the display unit is changed, the screen layout for setting the changed number of screens in the display unit is the screen used. Not selected in consideration of layout. For this reason, when the number of screens set in the display unit is changed, one or a plurality of screens set in the display unit may be changed unnaturally, and the user may feel uncomfortable.

  Furthermore, in the display devices described in Patent Documents 1 and 2, for example, when three screens are set in the display unit, a four-screen screen layout is used, and the same number of screens as the number of screens changed. The screen layout to set is not used. For this reason, the display devices described in Patent Documents 1 and 2 have a problem in that there is a wide useless area where no image is displayed on the display unit depending on the number of screens set in the display unit.

  The present invention has been made in view of such circumstances, and an object of the present invention is to reduce the load on the user related to the change in the number of screens and to set the display unit when the number of screens is changed. Provided are a display device, a television receiver, a display method, a computer program, and a recording medium on which the computer program is recorded, in which a plurality of screen changes are natural and an image can be displayed without waste on a display unit There is to do.

  The display device according to the present invention is an instruction for accepting an instruction to change the number of screens in a display device that displays one image on each screen by setting one or a plurality of screens in accordance with a screen layout stored in advance. When the receiving unit and the instruction receiving unit receive the instruction, the similarity between the screen layout for setting the number of screens changed according to the instruction on the display unit and the screen layout being used is indicated. Selection means for selecting a screen layout having a value equal to or greater than a predetermined value, and setting means for setting one or a plurality of screens on the display unit with the screen layout selected by the selection means.

  The display device according to the present invention includes a calculation unit that calculates an area of an area for displaying an image on the display unit for each of the plurality of screen layouts when the selection unit selects a plurality of screen layouts. The setting means is configured to set one or a plurality of screens with a screen layout having the largest area calculated by the calculating means.

  The display device according to the present invention includes: a stopping unit that stops selection by the selecting unit when the instruction received by the instruction receiving unit is an instruction to add a browser screen that displays an image related to a web page; A superimposing unit that superimposes the browser screen on a screen displaying an image when the unit stops the selection; a selection receiving unit that accepts selection of an object displayed on the browser screen superimposed by the superimposing unit; And a deletion unit that deletes the browser screen when the selection reception unit receives the selection, and the selection unit adds 1 to the number of the screens when the deletion unit deletes the browser screen. From one or more screen layouts for setting the number of screens to the display unit, a value indicating the similarity to the screen layout being used is a predetermined value or more. Select a screen layout is characterized in that the setting means is arranged to set one or more screens including the browser screen.

  In the display device according to the present invention, when the deletion unit deletes the browser screen, the selection unit has a sum of a value indicating the similarity and a value related to an insertion position of the browser screen equal to or greater than a predetermined value. It is characterized in that the screen layout is selected.

  A television receiver according to the present invention includes the above-described display device and a tuner unit that receives a television broadcast, and the display device displays an image relating to the television broadcast received by the tuner unit. It is configured.

  The display method according to the present invention accepts an instruction to change the number of screens in a display method in which one or a plurality of screens are set on a display unit according to a screen layout stored in advance and an image is displayed on each screen. When the instruction is received, a screen layout in which a value indicating the similarity to the screen layout being used is equal to or greater than a predetermined value from the screen layout for setting the number of screens changed according to the instruction in the display unit And one or a plurality of screens are set on the display unit with the selected screen layout.

  A computer program according to the present invention is a computer program for causing a computer including a display unit to set one or a plurality of screens in accordance with a screen layout stored in advance and displaying an image on each screen. A screen layout in which the value indicating the degree of similarity with the screen layout being used is a predetermined value or more is selected from the screen layout for setting the number of screens changed according to the instruction to change the number of screens in the display unit. And causing the computer to set one or more screens on the display unit according to the selected screen layout.

  A computer-readable recording medium according to the present invention records the above-described computer program.

  In the display device, the display method, and the computer program according to the present invention, from the screen layout for setting the number of screens changed according to the instruction to change the number of screens to the display unit, the screen layout used A screen layout in which the value indicating the similarity is equal to or greater than a predetermined value is selected. Then, one or a plurality of screens are set on the display unit with the selected screen layout.

  Thereby, since the user does not need to select a screen layout when changing the number of screens, the user's load concerning the change of the number of screens is small. In addition, when the user changes the number of screens, a screen layout having a value indicating a similarity to the screen layout being used is a predetermined value or more, and one or a plurality of screens are selected in the selected screen layout. Since it is displayed, it is natural to change one or more screens set in the display unit.

  Further, for example, when changing the number of screens set in the display unit to three screens, a screen layout of three screens is selected, and one or a plurality of screens are displayed with a screen layout corresponding to the changed number of screens. An image is displayed on the display unit without waste.

  In the display device according to the present invention, when the selection unit selects a plurality of screen layouts, the calculation unit calculates the area of the region in which the image is displayed on the display unit for each of the plurality of screen layouts. The setting means sets one or a plurality of screens with a screen layout having the largest area calculated by the calculating means.

  Thereby, since one or a plurality of screens are displayed with a screen layout having the largest area for displaying an image on the display unit among a plurality of screen layouts according to the number of changed screens, an image can be displayed on the display unit more efficiently. Is displayed.

  The stopping unit stops selection by the selecting unit when the instruction received by the instruction receiving unit is an instruction to add a browser screen that displays an image related to the web page. The superimposing unit superimposes the browser screen on the screen displaying the image when the stop unit stops the selection. Then, when the selection receiving unit receives a selection of an object displayed on the superimposed browser screen, the deletion unit deletes the browser screen.

  When the deletion unit deletes the browser screen, the selection unit adds the number of screens by one and sets the changed number of screens in the display unit from one or a plurality of screen layouts, A screen layout in which the value indicating the degree of similarity is greater than or equal to a predetermined value is selected. The setting means sets one or a plurality of screens including a browser screen.

  In many cases, a user uses a short time to browse an image related to a web page using a browser screen. When using the browser screen only for a short time, the user can view the image related to the web page without changing the screen layout. When the user selects the object and uses the browser screen for a long time, the image is displayed. A browser screen is displayed in parallel with the current screen. This improves the convenience for the user.

  In the display device according to the present invention, the selecting means, when the deleting means deletes the browser screen and adds the browser screen, the sum of the value indicating the similarity and the value related to the insertion position of the browser screen is Select a screen layout that is greater than or equal to a predetermined value.

  For example, when the browser screen should be set on the right side of the display unit, the value related to the insertion position of the screen layout for inserting the browser screen on the right side of the display unit is increased even if the browser screen is the same. As a result, a screen layout in which the browser screen is in a more natural position on the right side of the display unit is selected, and the user feels less uncomfortable when the screen layout is changed.

  In the television receiver according to the present invention, the display device displays an image relating to the television broadcast received by the tuner unit. Thereby, the display device sets a screen for displaying an image related to television broadcasting in the display unit, and can display a plurality of images related to television broadcasting at the same time, for example.

  In the recording medium according to the present invention, the aforementioned computer program is recorded. When the computer reads and executes the above-described computer program, the above-described display device and display method are realized by the computer.

  According to the present invention, the value indicating the similarity with the screen layout used when changing the number of screens is equal to or greater than a predetermined value, and the screen layout corresponding to the changed number of screens is selected. When the number of screens is changed, it is natural to change one or a plurality of screens set in the display unit, and an image can be displayed without waste on the display unit.

1 is a block diagram illustrating a configuration of a television receiving device in Embodiment 1. FIG. It is a schematic diagram which shows the screen layout of 2 screens. It is a schematic diagram which shows the screen layout of 3 screens. It is a schematic diagram which shows the screen layout of 4 screens. It is a schematic diagram which shows the screen layout of 4 screens. It is a schematic diagram which shows the screen layout of 4 screens. It is a schematic diagram which shows the screen layout of 4 screens. It is a chart showing the value which shows the similarity of the screen layout of 1 screen and 2 screens in case the number of screens changes from 1 to 2. It is a chart showing the value which shows the similarity of the screen layout of 2 screens and 3 screens in case the number of screens changes from 2 to 3. It is a chart showing the value which shows the similarity of the screen layout of 3 screens and 4 screens when the number of screens changes from 3 to 4. It is a chart showing the value which shows the similarity degree of the screen layout of 3 screens and 4 screens in case the number of screens changes from 4 to 3. When an image is displayed on one screen set in the display unit, it is an explanatory diagram for explaining an area calculation method of an area in which the one screen displays an image. It is explanatory drawing for demonstrating the superimposition display of a browser screen. It is explanatory drawing for demonstrating the superimposition display of a browser screen. It is a flowchart which shows the procedure of the operation | movement which a display control part performs. It is a flowchart which shows the procedure of the operation | movement which a display control part performs. 10 is a block diagram illustrating a configuration of a television receiving device according to Embodiment 2. FIG.

Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof.
(Embodiment 1)
FIG. 1 is a block diagram illustrating a configuration of a television receiver according to Embodiment 1. The television receiver 1 is connected to an antenna 50, an external device 51 that reproduces images and sound, and a network 52.

  The antenna 50 captures radio waves of television broadcasting and outputs the captured radio waves to the television receiver 1. The external device 51 is a playback device such as an HDD (Hard Disk Drive), a DVD (Digital Versatile Disc) recorder, or a BD (Blu-ray Disc: registered trademark) recorder that plays back images and sounds. The audio / video signal including the signal is output to the television receiver 1. The network 52 is, for example, a LAN (Local Area Network). In addition, the remote controller 53 receives various instructions from the user, and transmits the received various instructions to the television receiver 1 by an infrared signal.

  The television receiver 1 includes tuner units 10 and 11 and a display device 12. Each of the tuner units 10 and 11 receives a television broadcast via the antenna 50, and outputs an image / audio signal related to the received television broadcast to the display device 12.

  The display device 12 is configured to set one or a plurality of screens in a rectangular display unit 45 described later according to a screen layout stored in advance and display an image on each screen. The display device 12 displays, on one or a plurality of screens set in the display unit 45, an image related to television broadcasting received by the tuner unit 10 or 11, an image related to an image audio signal received from the external device 51, and a network 52. An image related to the acquired web page or an image of an instruction manual of the television receiver 1 is displayed.

  Hereinafter, a screen that displays an image related to television broadcasting is referred to as a television screen, and a screen that displays an image related to an image audio signal output from the external device 51 is referred to as a video screen. Furthermore, a screen that displays an image relating to a web page acquired from the network 52 is a browser screen, and a screen that displays an image of an instruction manual stored in advance is an explanatory screen.

  The display device 12 receives an infrared signal from the remote controller 53 and receives various instructions. In the state where one or a plurality of screens are set on the display unit 45, the display device 12 adds an instruction to change the number of screens from the remote controller 53, that is, a television screen, a video screen, a browser screen, or an explanation screen. An instruction or a reduction instruction is accepted.

  When the display device 12 receives an addition instruction or a reduction instruction other than an instruction to add a browser screen, the display device 12 uses one or a plurality of screen layouts that can display the number of screens changed by the addition or reduction from the display unit 45. A screen layout is selected whose value indicating the similarity to the screen layout being used is equal to or greater than a predetermined value. Here, the value indicating the degree of similarity is larger as the degree of similarity is higher.

  The display device 12 determines the aspect ratio of an image to be displayed on each of one or a plurality of screens set in the display unit 45 when a plurality of screen layouts having a value indicating similarity are equal to or greater than a predetermined value. The display device 12 includes image and audio signals input from the tuner units 10 and 11 and the external device 51, an image signal acquired from the network 52, and image information included in image data of an instruction manual stored in advance, The aspect ratio is determined from an image display mode described later set by the user. The aspect ratio is an aspect ratio of an image displayed in a rectangular shape, and is represented by a vertical length when the horizontal length is 1.

  The display device 12 calculates the area of the area where the image is displayed on each screen of the display unit 45 using the determined aspect ratio for each of the selected plurality of screen layouts. Hereinafter, an area for displaying an image is referred to as an image display area. The display device 12 calculates the area of the image display area in the display unit 45 by summing up the calculated areas. The display device 12 selects a screen layout having the largest area of the image display area in the display unit 45 among the selected plurality of screen layouts. The display device 12 sets one or more screens on the display unit 45 with the selected screen layout, and displays an image on the set one or more screens.

When the display device 12 receives an infrared signal from the remote controller 53 and receives an instruction to add a browser screen, the display device 12 stops selecting a screen layout and sets one or more browser screens on the display unit 45. Superimpose on the screen. The image is displayed on the entire superimposed browser screen. An object and a cursor for selecting the object are displayed on the browser screen. The display device 12 receives a movement instruction for instructing to move the cursor in a predetermined direction from the remote controller 53, and moves the cursor according to the received movement instruction.
Here, it is assumed that the predetermined direction indicated by the movement instruction is the left direction, the right direction, the upward direction, or the downward direction of the screen displayed on the display unit 45.

  Each time the display device 12 receives a movement instruction, the display device 12 calculates the image display area of the superimposed browser screen so that the object on which the cursor is positioned is displayed. When the calculated image display area does not exceed the area where the browser screen can display an image on the display unit 45 (hereinafter referred to as a displayable area), the display device 12 calculates the calculated image display area. To display the image on the browser screen. Further, when the calculated image display area exceeds the displayable area, the display device 12 enlarges the image display area to the maximum extent in the direction in which the cursor moves within the displayable area, and the cursor is placed in the enlarged image display area. Displays an image showing the object being positioned.

  When the display device 12 receives selection of an object displayed on the browser screen according to an instruction from the remote controller 53, the display device 12 deletes the superimposed browser screen and adds a television screen, a video screen, or an explanation screen. Similarly, the browser screen is added to one or a plurality of screens set by the display unit 45. At this time, the display device 12 has a value indicating the similarity to the screen layout used for display from one or a plurality of screen layouts capable of displaying the number of screens changed by addition or reduction, and A screen layout in which the sum of values relating to the insertion position of the browser screen is greater than or equal to a predetermined value is selected.

  In the first embodiment, when a browser screen is added in the same manner as a television screen, a video screen, or an explanation screen, the screen layout used is changed to a screen layout in which the browser screen is inserted on the right side of the display unit 45. It is natural for the user to change the screen layout. For this reason, the value related to the insertion position of the browser screen is set so that the insertion position of the browser screen is larger as the screen layout is on the right side of the display unit 45.

  Further, when receiving an instruction from the remote controller 53 to delete the superimposed browser screen, the display device 12 deletes the browser screen.

  The display device 12 includes a control unit 20, a display control unit 21, a light receiving unit 22, a storage unit 23, decoders 24 and 25, capture units 26, 27 and 28, a browser unit 29, a renderer unit 30, scaling units 31, 32, 33, 34, 35, information extraction units 36, 37, 38, correction units 39, 40, 41, 42, 43, a setting unit 44, and a display unit 45.

The control unit 20 receives an instruction to add or reduce a television screen, a browser screen, or an explanation screen from the remote controller 53 via the light receiving unit 22. In accordance with the received additional instruction, the control unit 20 receives the image signal related to the television broadcast in the tuner unit 10 or 11, acquires the image signal related to the web page in the browser unit 29, or handles the explanation to the renderer unit 30. Instructs acquisition of image data of a book. In addition, the control unit 20 receives an instruction to add or reduce a video screen from the capturing unit 28.
The control unit 20 notifies the display control unit 21 of an addition instruction or a reduction instruction received from the light receiving unit 22 and the capturing unit 28.

  When the browser screen is superimposed on one or a plurality of screens set in the display unit 45, the control unit 20 receives a movement instruction from the light receiving unit 22, and receives the received movement instruction from the display control unit 21 and the browser. To the unit 29.

  Further, the control unit 20 receives a notification indicating reception of selection of an object displayed on the browser screen from the light receiving unit 22, and outputs the received notification to the display control unit 21 and the browser unit 29. The control unit 20 receives a browser screen deletion instruction superimposed on one or a plurality of screens set in the display unit 45, and outputs the received deletion instruction to the display control unit 21.

  The control unit 20 further receives an image display mode indicating a display format of an image displayed on the television screen or the video screen from the remote controller 53 via the light receiving unit 22. Examples of the image display mode include a normal mode, a smart zoom mode, a wide mode, a cinema mode, and a full mode.

  The normal mode is a mode in which an image with an aspect ratio of 3/4 is displayed as it is. The smart zoom mode is a mode in which an image with an aspect ratio of 3/4 is naturally enlarged and displayed. The wide mode is a mode in which an image with an aspect ratio of 3/4 is displayed on the entire screen. The cinema mode is a mode in which an image for a movie to be displayed with an aspect ratio of 9/16 or another aspect ratio is displayed on the entire screen. The full mode is a mode in which an image compressed from an aspect ratio of 9/16 to 3/4 is returned to an image having an aspect ratio of 9/16 and displayed on the entire screen.

  When receiving the image display mode from the light receiving unit 22, the control unit 20 rewrites the image display mode stored in the storage unit 23 to the received image display mode.

  When the display control unit 21 receives an addition instruction or a deletion instruction other than the browser screen addition instruction, the display control unit 21 is used with a screen layout for setting the number of screens changed according to the addition instruction or the reduction instruction in the display unit 45. A value indicating the similarity to the screen layout is read from the storage unit 23. The display control unit 21 selects, from the read screen layout, a screen layout whose value indicating the similarity to the screen layout being used is equal to or greater than a predetermined value. Furthermore, when a plurality of screen layouts are selected, the display control unit 21 determines the aspect ratio of the image displayed on the display unit 45.

  When determining the aspect ratio of the image displayed on the television screen or the video screen, the display control unit 21 receives image format information, resolution information, or aspect ratio information from the information extraction unit 36, 37, or 38. Here, the image format information indicates an image format such as 480p (progressive) or 1080p. The resolution information indicates a resolution, for example, 1024 × 768. The aspect ratio information indicates an aspect ratio designated by an image signal included in an image / audio signal output from the tuner units 10 and 11 or the external device 51.

  In addition to the image format information, resolution information, or aspect ratio information received from the information extraction unit 36, 37, or 38, the display control unit 21 changes from the image display mode stored in the storage unit 23 to the television screen or video screen. Determine the aspect ratio of the image to be displayed.

  The display control unit 21 receives the image format information, resolution information, aspect ratio information, and black area information from the information extraction unit 36, 37, or 38, and determines the aspect ratio of the image displayed on the television screen or the video screen. There may be a known auto-wide function to determine, and the aspect ratio may be determined by the auto-wide function. Here, the black region is a region where no image is displayed on one screen, that is, a region other than the image display region, and the black region area information is information indicating the area of the black region.

When determining the aspect ratio of the image for displaying the browser screen or the explanation screen, the display control unit 21 accepts and accepts content information indicating the contents of the image displayed on the browser screen or the explanation screen from the browser unit 29 or the renderer unit 30. The aspect ratio is determined according to the content indicated by the content information.
The image information included in the image audio signal, the image signal, and the image data is information including at least one of image format information, resolution information, aspect ratio information, and content information.

  The display control unit 21 calculates the area of the image display area in the display unit 45 using the determined aspect ratio for each of the selected plurality of screen layouts. The display control unit 21 determines the screen layout having the largest area of the image display area as the screen layout set in the display unit 45.

  When the number of selected screen layouts is 1, the display control unit 21 determines the screen layout to be set in the display unit 45 as the selected screen layout.

  The display control unit 21 displays an image related to television broadcasting, an image related to an audio / video signal output from the external device 51, an image related to a web page acquired from the network 52, or an image related to image data of an instruction manual. The scaling unit 31, 32, 33, 34, or 35 is instructed to perform enlargement or reduction in accordance with the determined screen layout.

  Further, the display control unit 21 outputs screen layout information indicating a screen layout to be set in the display unit 45 to the setting unit 44. The display control unit 21 instructs the setting unit 44 to set the screen on the display unit 45 in accordance with the screen layout indicated by the screen layout information on the display unit 45, and displays an image on each screen.

  When the display control unit 21 receives an instruction to add a browser screen from the control unit 20, the display control unit 21 stops selecting the screen layout, instructs the setting unit 44, and sets the browser screen on the display unit 45. Superimposed on the screen. When the display control unit 21 receives a movement instruction from the control unit 20 in a state where the browser screen is superimposed, the image display area of the browser screen is displayed so that the object where the cursor moved by the movement instruction is displayed is displayed. Calculate

  The display control unit 21 reads the displayable area of the browser screen from the storage unit 23. When the calculated image display area exceeds the displayable area, the display control unit 21 enlarges the image display area of the browser screen to the maximum extent in the direction in which the cursor moves within the displayable area, and then the object on which the cursor is positioned The image with is displayed on the browser screen. In addition, when the calculated image display area falls within the displayable area, the display control unit 21 displays an image in which the object where the cursor is positioned in the calculated image display area is displayed.

  When the display control unit 21 receives from the control unit 20 a notification indicating reception of selection of an object displayed on the browser screen, the display control unit 21 deletes the superimposed browser screen. Then, the display control unit 21 adds the browser screen to one or more screens set in the display unit 45 in the same manner as the television screen, the video screen, or the explanation screen. At this time, the display control unit 21 selects a value indicating the similarity to the screen layout used for display from one or a plurality of screen layouts capable of displaying the number of screens changed by addition or reduction, and Then, a screen layout in which the sum of the values related to the insertion position of the browser screen is a predetermined value or more is selected. The display control unit 21 reads the value related to the insertion position of the browser screen from the storage unit 23.

  In addition, when the display control unit 21 receives an instruction from the control unit 20 to delete a browser screen superimposed on one or a plurality of screens set in the display unit 45, the display control unit 21 deletes the superimposed browser screen. .

  The light receiving unit 22 receives an infrared signal to receive an instruction or selection from the remote controller 53, outputs the received instruction to the control unit 20, and notifies the control unit 20 of selection reception. The instructions received by the light receiving unit 22 include a television screen, a browser screen or an explanation screen addition instruction and a reduction instruction, a movement instruction, and a browser screen superimposed on one or more screens set in the display unit 45. This is a delete instruction. The selection received by the light receiving unit 22 is selection of an object displayed on the browser screen superimposed on one or more screens in the display unit 45.

  The storage unit 23 stores image data of an instruction manual for the display device 12, an image display mode, and screen layouts of two screens, three screens, and four screens. The storage unit 23 stores a plurality of screen layouts for each of two screens, three screens, and four screens. The storage unit 23 further includes a value indicating the similarity between the screen layouts of the 1st screen, the 2nd screen, the 2nd screen, and the 3rd screen, and the 3rd screen and the 4th screen, a value related to the insertion position of the browser screen, Is remembered. The storage unit 23 also stores a displayable area of the browser screen to be superimposed. The contents stored in the storage unit 23 are read or rewritten by the control unit 20, the display control unit 21, and the renderer unit 30.

  The decoder 24 decodes the video / audio signal output from the tuner unit 10 and outputs the decoded video / audio signal to the capturing unit 26. Similarly, the decoder 25 decodes the video / audio signal output from the tuner unit 11 and outputs the decoded video / audio signal to the capturing unit 27.

  The capturing unit 26 captures an image signal from the video / audio signal output by the decoder 24, and outputs the captured image signal to the scaling unit 31 and the information extracting unit 36. Similarly, the capturing unit 27 captures an image signal from the video / audio signal output by the decoder 25, and outputs the captured image signal to the scaling unit 32 and the information extracting unit 37.

  The capturing unit 28 captures an image signal from the audio / video signal output by the external device 51, and outputs the captured image signal to the scaling unit 33 and the information extracting unit 38. Further, the capture unit 28 controls the video screen addition instruction when the video / audio signal is captured from the external device 51 and the video screen reduction instruction when the input of the video / audio signal from the external device 51 is stopped. To the unit 20.

  When the browser unit 29 is instructed by the control unit 20 to acquire the image signal related to the web page, the browser unit 29 acquires the image signal related to the web page from the network 52, and superimposes the cursor on the image related to the acquired image signal. The image signal relating to the image thus obtained is output to the scaling unit 34. In addition, when receiving a movement instruction from the control unit 20, the browser unit 29 outputs an image signal related to an image in which the cursor is moved in a predetermined direction in accordance with the movement instruction to the scaling unit 34.

  Further, when the browser unit 29 receives a notification indicating reception of selection of the object on which the cursor is located from the control unit 20, the browser unit 29 acquires an image signal related to the web page indicated by the selected object from the network 52. The browser unit 29 superimposes the cursor on the image related to the acquired image signal, and outputs the image signal related to the superimposed image to the scaling unit 34.

  When instructed by the control unit 20 to acquire the image data of the instruction manual, the renderer unit 30 reads the image data of the instruction manual from the storage unit 23 and outputs the read image data of the instruction manual to the scaling unit 35. .

  The scaling units 31, 32, and 33 receive image signals from the capture units 26, 27, and 28, respectively, and perform enlargement or reduction of the image related to the received image signal according to the enlargement instruction or reduction instruction received from the display control unit 21. Do. Each of the scaling units 31, 32, and 33 outputs an image signal related to the enlarged or reduced image to the correction units 39, 40, and 41.

  Similarly, the scaling unit 34 receives an image signal from the browser unit 29 and performs enlargement or reduction of an image related to the received image signal in accordance with an enlargement instruction or reduction instruction received from the display control unit 21. The scaling unit 35 receives image data from the renderer unit 30 and performs enlargement or reduction of an image related to the received image data in accordance with an enlargement instruction or reduction instruction received from the display control unit 21. The scaling units 34 and 35 respectively output image signals related to the enlarged or reduced image to the correction units 42 and 43.

Each of the information extraction units 36, 37, and 38 receives an image signal from the capture units 26, 27, and 28, and extracts at least one of image format information, resolution information, and aspect ratio information from the received image signal, The extracted information is output to the display control unit 21.
When the display control unit 21 has an auto-wide function, the information extraction units 36, 37, and 38 extract image format information, resolution information, aspect ratio information, and black area area information, and extract the extracted information. Output to the display control unit 21.

  Each of the correction units 39, 40, 41, 42, and 43 receives the image signal from the scaling units 31, 32, 33, 34, and 35, corrects the image quality of the received image signal, and corrects the image quality. The image signal is output to the setting unit 44.

The setting unit 44 receives screen layout information from the display control unit 21. When the setting unit 44 receives a screen setting instruction from the display control unit 21, the setting unit 44 sets one or a plurality of screens on the display unit 45 according to the screen layout indicated by the received screen layout information. An image related to the image signal received from 40, 41, 42 or 43 is displayed.
The display unit 45 is a liquid crystal panel, an organic EL panel, or the like, and one or a plurality of screens are set by the setting unit 44, and an image is displayed on the set one or a plurality of screens.

  FIG. 2 is a schematic diagram showing a screen layout of two screens. In FIG. 2, two types of screen layouts are shown and stored in the storage unit 23. 2A and 2B show screen layouts 2a and 2b, respectively. One or more screens set in the display unit 45 have a rectangular shape. W and H are the horizontal and vertical lengths of the display unit 45, respectively, and the horizontal and vertical lengths of the outer frame in the screen layout 2a. Similarly, W and H are also the horizontal and vertical lengths of the outer frame in the screen layout 2b and screen layouts 3a, 3b,..., 3f, 4a, 4b,. .

  The screen layout 2 a is a screen layout for setting screens on the left and right sides of the display unit 45. In the screen layout 2a, p is provided as a parameter used by the display control unit 21 to calculate the area of the image display area. In the screen layout 2a, p indicates the horizontal length of the screen set on the left side.

  The screen layout 2 b is a screen layout for setting screens on the top and bottom of the display unit 45. The screen layout 2b is provided with q as a parameter used for calculating the area of the image display area. In the screen layout 2b, q indicates the vertical length of the screen set on the upper side.

  FIG. 3 is a schematic diagram showing a screen layout of three screens. FIG. 3 shows six types of screen layouts stored in the storage unit 23. 3F, screen layouts 3a, 3b,..., 3f are shown, respectively.

  The screen layout 3 a is a screen layout for setting screens on the left, upper right, and lower right of the display unit 45. In the screen layout 3a, p and q are provided as parameters used for calculating the area of the image display area. In the screen layout 3a, p indicates the horizontal length of the screen set on the left side, and q indicates the vertical length of the screen set on the upper right.

  The screen layout 3 b is a screen layout for setting screens on the upper left, upper right, and lower sides of the display unit 45. In the screen layout 3b, p and q are provided as parameters used for calculating the area of the image display region. In the screen layout 3b, p indicates the horizontal length of the screen set at the upper left, and q indicates the vertical length of the screen set at the upper left and upper right.

  The screen layout 3 c is a screen layout for setting screens on the upper left, lower left, and right of the display unit 45. The screen layout 3c is provided with p and q as parameters used for calculating the area of the image display area. In the screen layout 3c, p and q are the horizontal and vertical lengths of the screen set at the upper left.

  The screen layout 3d is a screen layout for setting screens on the upper, lower left and lower right of the display unit 45. In the screen layout 3d, p and q are provided as parameters used for calculating the area of the image display region. In the screen layout 3d, p indicates the horizontal length of the screen set at the lower left, and q indicates the vertical length of the screen set at the upper side.

  The screen layout 3e is a screen layout for setting screens on the left side, the middle, and the right side of the display unit 45. The screen layout 3e is provided with p and r as parameters used for calculating the area of the image display area. In the screen layout 3e, p indicates the horizontal length of the screen set on the left side, and r indicates the length from the left side of the screen set on the left side to the right side of the screen set in the middle.

  The screen layout 3 f is a screen layout for setting screens on the top, middle, and bottom of the display unit 45. In the screen layout 3f, q and s are provided as parameters used for calculating the area of the image display area. In the screen layout 3f, q indicates the vertical length of the screen set on the upper side, and s indicates the length of the lower side of the screen set on the inside from the upper side of the screen set on the upper side.

  4, 5, 6 and 7 are schematic diagrams showing screen layouts of four screens. 4, 5, 6, and 7 show 22 types of screen layouts that are stored in the storage unit 23. 4A, FIG. 4B,..., FIG. 5F, FIG. 5A, FIG. 5B,. 7D shows screen layouts 4a, 4b,..., 4v.

  The screen layout 4 a is a screen layout for setting screens on the upper left, upper right, lower left, and lower right of the display unit 45. The screen layout 4a is provided with p, q, and r as parameters used for calculating the area of the image display area. In the screen layout 4a, p indicates the horizontal length of the screen set at the lower left, and q and r indicate the vertical and horizontal lengths of the screen set at the upper left, respectively.

  The screen layout 4b is a screen layout for setting screens on the upper left, upper right, lower left, and lower right of the display unit 45, similarly to the screen layout 4a. The screen layout 4b differs from the screen layout 4a in that a parameter used for area calculation of the image display area is provided, and parameters p, q, and s are provided. In the screen layout 4b, p and q indicate the horizontal and vertical lengths of the screen set at the upper left, and s indicates the vertical length of the screen set at the upper right.

  The screen layout 4 c is a screen layout for setting screens on the left, middle, upper right, and lower right of the display unit 45. The screen layout 4c is provided with p, q, and r as parameters used for calculating the area of the image display area. In the screen layout 4c, p is the horizontal length of the screen provided on the left side, q is the vertical length of the screen provided on the upper right side, and r is the right side of the screen provided in the middle from the left side of the screen provided on the left side. The length is shown.

  The screen layout 4 d is a screen layout for setting screens on the left, upper middle, upper right, and lower right of the display unit 45. The screen layout 4d is provided with p, q, and r as parameters used for calculating the area of the image display area. In the screen layout 4d, p is the horizontal length of the screen set on the left side, q is the vertical length of the screen set on the upper right side, and r is provided from the left side of the screen placed on the left side to the upper middle. The length to the right side of the screen is shown.

  The screen layout 4 e is a screen layout for setting screens on the left, upper middle, lower middle, and right of the display unit 45. The screen layout 4e is provided with p, q, and r as parameters used for calculating the area of the image display area. In the screen layout 4e, p is the horizontal length of the screen set on the left side, q is the vertical length of the screen set on the top and middle, and r is set from the left side to the right side of the screen set on the left side. The length to the left side of the displayed screen is shown.

  The screen layout 4 f is a screen layout for setting screens on the left, upper right, lower middle, and lower right of the display unit 45. The screen layout 4f is provided with p, q, and r as parameters used for calculating the area of the image display area. In the screen layout 4f, p is the horizontal length of the screen set on the left side, q is the vertical length of the screen set on the upper right side, and r is set from the left side to the lower middle of the screen set on the left side. The length to the right side of the screen to be displayed is shown.

  The screen layout 4g is a screen layout for setting screens on the left, upper right, middle right, and lower right of the display unit 45. The screen layout 4g is provided with p, q, and s as parameters used for calculating the area of the image display area. In the screen layout 4g, p is the horizontal length of the screen set on the left side, q is the vertical length of the screen set on the upper right side, and s is set from the upper side of the screen set on the upper right side to the right middle. It shows the length to the bottom of the screen.

  The screen layout 4h is a screen layout for setting screens on the upper, lower left, middle right and lower right of the display unit 45. The screen layout 4h is provided with p, q, and s as parameters used for calculating the area of the image display area. In the screen layout 4h, p is the horizontal length of the screen set at the lower left, q is the vertical length of the screen set at the upper side, and s is set from the upper side of the screen set at the upper side to the middle right It shows the length to the bottom of the screen.

  The screen layout 4i is a screen layout for setting screens on the upper, middle left, middle right, and bottom of the display unit 45, respectively. The screen layout 4i is provided with p, q, and s as parameters used for calculating the area of the image display area. In the screen layout 4i, p is the horizontal length of the screen set in the middle left, q is the vertical length of the screen set on the upper side, and s is from the upper side of the screen set on the upper side to the lower side. The length to the upper side of the set screen is shown.

  The screen layout 4j is a screen layout for setting screens on the upper, middle left, lower left, and lower right of the display unit 45. The screen layout 4j is provided with p, q, and s as parameters used for calculating the area of the image display area. In the screen layout 4j, p is the horizontal length of the screen set at the left middle and lower left, q is the vertical length of the screen set at the upper side, and s is left from the upper side of the screen set at the upper side. The length to the bottom side of the screen set in is shown.

  The screen layout 4k is a screen layout for setting screens on the upper, middle, lower left, and lower right of the display unit 45. The screen layout 4k is provided with p, q, and s as parameters used for calculating the area of the image display area. In the screen layout 4k, p is the horizontal length of the screen set at the lower left, q is the vertical length of the screen set at the upper side, and s is set from the upper side to the middle of the screen set at the upper side. This shows the length to the bottom of the screen.

  The screen layout 4l is a screen layout for setting screens on the upper, lower left, lower middle, and lower right of the display unit 45. The screen layout 4l is provided with p, q, and r as parameters used for calculating the area of the image display area. In the screen layout 41, p is the horizontal length of the screen set at the lower left, q is the vertical length of the screen set at the upper side, and r is set from the left side to the lower middle of the screen set at the lower left. The length to the right side of the screen to be displayed is shown.

  The screen layout 4m is a screen layout for setting screens on the upper left, upper middle, lower left, and right of the display unit 45, respectively. In the screen layout 4m, p, q, and r are set as parameters used for calculating the area of the image display area. In the screen layout 4m, p and q respectively indicate the horizontal and vertical lengths of the screen set in the upper left, and r indicates the horizontal length of the screen set in the lower left screen.

  The screen layout 4n is a screen layout for setting screens on the upper left, lower left, middle, and right of the display unit 45, respectively. In the screen layout 4n, p, q, and r are set as parameters used for calculating the area of the image display area. In the screen layout 4n, p is the horizontal length of the screen set at the upper left and lower left, q is the vertical length of the screen set at the upper left, and r is from the left side of the screen set at the upper left. Indicates the length to the right side of the screen to be set.

  The screen layout 4o is a screen layout for setting screens on the upper left, lower left, lower middle, and right of the display unit 45, respectively. The screen layout 4o is provided with p, q, and r as parameters used for calculating the area of the image display area. In the screen layout 4o, p indicates the horizontal length of the screen set at the lower left, and q and r indicate the vertical and horizontal lengths of the screen set at the upper left, respectively.

  The screen layout 4p is a screen layout for setting screens on the upper left, middle left, lower left, and right of the display unit 45, respectively. The screen layout 4p is provided with p, q, and s as parameters used for calculating the area of the image display area. In the screen layout 4p, p is the horizontal length of the screen set at the upper left, middle left and lower left, q is the vertical length of the screen set at the upper left, and s is the upper side of the screen set at the upper left. To the bottom left of the screen set in the middle left.

  The screen layout 4q is a screen layout for setting screens on the upper left, upper right, middle right and lower of the display unit 45. The screen layout 4q is provided with p, q, and s as parameters used for calculating the area of the image display area. In the screen layout 4q, p and s respectively indicate the horizontal and vertical lengths of the screen set at the upper left, and q indicates the vertical length of the screen set at the upper right.

  The screen layout 4r is a screen layout for setting screens on the upper left, upper right, middle, and lower sides of the display unit 45, respectively. The screen layout 4r is provided with p, q, and s as parameters used for calculating the area of the image display area. In the screen layout 4r, p and q are the horizontal and vertical lengths of the screen set at the upper left, and s is the length from the upper side of the screen set at the upper left and upper right to the lower side of the screen set at the middle. Is shown.

  The screen layout 4 s is a screen layout for setting screens on the upper left, middle left, upper right, and bottom of the display unit 45. The screen layout 4s is provided with p, q, and s as parameters used for calculating the area of the image display area. In the screen layout 4s, p and q respectively indicate the horizontal and vertical lengths of the screen set at the upper left, and s indicates the vertical length of the screen set at the upper right.

  The screen layout 4t is a screen layout for setting screens on the upper left, upper middle, upper right, and lower sides of the display unit 45. In the screen layout 4t, p, q, and r are provided as parameters used for calculating the area of the image display region. In the screen layout 4t, p and q are respectively the horizontal and vertical lengths of the screen set at the upper left, and r is the length from the left side of the screen set at the upper left to the right side of the screen set at the upper middle. Show.

  The screen layout 4 u is a screen layout in which four screens are juxtaposed in the horizontal direction on the display unit 45. The screen layout 4u is provided with p, r, and t as parameters used for calculating the area of the image display area. In the screen layout 4u, p, r, and t indicate the lengths from the left to the right side of the screen set to 1, 2, and 3 respectively from the left side of the screen set to the first from the left. Yes.

  The screen layout 4v is a screen layout juxtaposed in the vertical direction of the four screens in the display unit 45. The screen layout 4v is provided with q, s, and u as parameters used for calculating the area of the image display area. In the screen layout 4v, q, s, and u indicate the lengths from the top to the bottom of the screen that are set to the first, the second, and the third, respectively, from the top of the screen that is set from the top. Yes.

  FIG. 8 is a chart showing values indicating the degree of similarity between the screen layouts of one screen and two screens when the number of screens transitions from one to two. In FIG. 8, values indicating the similarity between the screen layout of one screen and each screen layout of two screens are represented and stored in the storage unit 23. The higher the similarity is, the larger the value indicated by the similarity is. Further, there is one type of screen layout for one screen, and this is a basic screen layout for setting one screen for the entire display unit 45. The insertion position of the screen is shown in parentheses.

  For example, when one screen is added to the basic screen layout of one screen and transition is made to the screen layout 2a of two screens, the value indicating the similarity is 6, and the screen is added to the right side of the display unit 45.

  The values related to the insertion position of the browser screen stored in the storage unit 23 are the right insertion positions for the screen layouts 2a, 2b, 3a, 3b,..., 3f, 4a, 4b,. Is 5 when the insertion position is in the upper right, and 2 when the insertion position is in the middle right or lower right. When the insertion position is not located on the right, upper right, middle right or lower right, the value related to the insertion position on the browser screen is zero.

  In the same way as the television screen, video screen or explanation screen, when a browser screen is added and a transition is made from the basic screen layout of one screen to the screen layout 2a of two screens, the browser screen is inserted on the right side. The value related to the insertion position of the browser screen is 5. In this case, the sum of the value indicating the similarity and the value relating to the insertion position of the browser screen is 11.

  FIG. 9 is a chart showing values indicating the similarity between the screen layouts of the two screens and the three screens when the number of screens transitions from 2 to 3. In FIG. 9, values indicating the similarity between each screen layout of two screens and each screen layout of three screens are represented and stored in the storage unit 23.

  FIG. 10 is a chart showing values indicating the similarity between the screen layouts of the three screens and the four screens when the number of screens transitions from three to four. 10A shows values indicating the similarity between the screen layouts 3a, 3b,..., 3f of the three screens and the screen layouts 4a, 4b,. FIG. 10B shows values indicating the similarity between the three-screen screen layouts 3a, 3b,..., 3f and the four-screen screen layouts 4l, 4m,. In addition, the insertion position of the screen is shown in parentheses.

  FIG. 11 is a chart showing values indicating the similarity between screen layouts of three screens and four screens when the number of screens transitions from four to three. FIG. 11 shows the screen layout in use and the position of the screen to be deleted from the four screens set in the screen layout in use for the screen layout of four screens. In FIG. 11, a value indicating the similarity between the screen layout of the four screens being used and the screen layout of the three screens is shown for each position of the deletion screen.

  For example, when the upper left screen of the display unit 45 is deleted from the four screens set in the display unit 45 in the four screen layout 4a, the value indicating the similarity between the screen layout 4a and the three screen layout 3a is 7.

  The storage unit 23 stores not only the four-screen screen layout 4a, but also values indicating the similarities of the other four-screen screen layouts 4b, 4c,.

  In the storage unit 23, the screen layout used and one or more screens set in the display unit 45 according to the screen layout are any of a television screen, a video screen, a browser screen, and an explanation screen. I remember it. Accordingly, when the display control unit 21 receives a television screen, video screen, browser screen, or instruction screen reduction instruction from the control unit 20, the display control unit 21 stores the position of the screen to be deleted in the screen layout being used. 23 can be detected.

  Further, the storage unit 23 indicates a value indicating the similarity between the screen layouts of two screens and three screens when the number of screens transitions from 3 to 2, and one screen and two when the number of screens transitions from two to one. It is also stored as a value indicating the degree of similarity of the screen layout.

  FIG. 12 is an explanatory diagram for explaining a method for calculating the area of an area in which an image is displayed on one screen when an image is displayed on the one screen set in the display unit 45. 12A and 12B, the outer frame indicates a frame of one screen set in the display unit 45, and the hatched portion indicates an area where an image is displayed, that is, an image display area. Here, the horizontal and vertical lengths of one screen set in the display unit 45 are w and h, and the aspect ratio of the image displayed on the one screen is a.

When (w, h, a) satisfies w × a ≦ h, the image display area is determined as shown in FIG. 12A, and the vertical length of the image display area is shorter than the vertical length of the screen. . The area S (w, h, a) of the image display area when w × a ≦ h is expressed as follows.
S (w, h, a) = a × w ²
However, when a = h / w, the shape and area of the image display region coincide with the shape and area of the screen.

When (w, h, a) satisfies w × a> h, the image display area is determined as shown in FIG. 12B, and the horizontal length of the image display area is shorter than the horizontal length of the screen. . When w × a> h is satisfied, the area S (w, h, a) of the image display region is expressed as follows.
S (w, h, a) = h ² / a

  Using the area S (w, h, a) of the image display area, the image of the display unit 45 is displayed for each of the screen layouts 2a, 2b, 3a, 3b, ..., 3f, 4a, 4b, ..., 4v. The area A of the display area is expressed as a function using at least one of the parameters p, q, r, s, t, and u (see FIGS. 2 to 7) described above.

When two screens are set on the display unit 45 according to the screen layout 2a, the area A (p) of the image display area of the display unit 45 is expressed as follows.
A (p) = S (p, H, a1) + S (W-p, H, a2)
Each of a1 and a2 is the aspect ratio of the image displayed on the left and right screens for the screen layout 2a.

When two screens are set on the display unit 45 according to the screen layout 2b, the area A (q) of the image display area of the display unit 45 is expressed as follows.
A (q) = S (W, q, a3) + S (W, H-q, a4)
Here, a3 and a4 are the aspect ratios of the screens displayed on the upper and lower screens of the screen layout 2b.

The area A (p, q) of the image display area of the display unit 45 when three screens are set on the display unit 45 according to the screen layout 3a is expressed as follows.
A (p, q) = S (p, H, a5) + S (Wp, q, a6) + S (Wp, Hq, a7)
Here, a5, a6, and a7 are the aspect ratios of the images displayed on the left, upper right, and lower right screens of the screen layout 3a.

The area A (p, q) of the image display area of the display unit 45 when three screens are set on the display unit 45 according to the screen layout 3b is expressed as follows.
A (p, q) = S (p, q, a8) + S (Wp, q, a9) + S (W, H-q, a10)
Here, a8, a9, and a10 are the aspect ratios of images displayed on the upper left, upper right, and lower screens of the screen layout 3b.

The area A (p, q) of the image display area of the display unit 45 when three screens are set on the display unit 45 according to the screen layout 3c is expressed as follows.
A (p, q) = S (p, q, a11) + S (p, H-q, a12) + S (Wp, H, a13)
Here, a11, a12, and a13 are the aspect ratios of the screens displayed on the upper left, lower left, and right screens of the screen layout 3c.

The area A (p, q) of the image display area of the display unit 45 when three screens are set on the display unit 45 according to the screen layout 3d is expressed as follows.
A (p, q) = S (W, q, a14) + S (p, Hq, a15) + S (Wp, Hq, a16)
Here, a14, a15, and a16 are the aspect ratios of the images displayed on the upper, lower left, and lower right screens for the screen layout 3d.

The area A (p, r) of the image display area of the display unit 45 when three screens are set on the display unit 45 according to the screen layout 3e is expressed as follows.
A (p, r) = S (p, H, a17) + S (rp, H, a18) + S (Wr, H, a19)
Here, each of a17, a18, and a19 is the aspect ratio of the image displayed on the left, middle, and right screens for the screen layout 3e.

The area A (q, s) of the image display area of the display unit 45 when three screens are set on the display unit 45 according to the screen layout 3f is expressed as follows.
A (q, s) = S (W, q, a20) + S (W, s-q, a21) + S (W, H-s, a22)
Here, a20, a21, and a22 are the aspect ratios of the images displayed on the upper, middle, and lower screens of the screen layout 3f.

When four screens are set on the display unit 45 according to the screen layout 4a, the area A (p, q, r) of the image display area of the display unit 45 is expressed as follows.
A (p, q, r) = S (r, q, a23) + S (Wr, q, a24) + S (p, Hq, a25) + S (Wp, Hq, a26)
Here, a23, a24, a25, and a26 are aspect ratios of images displayed on the upper left, upper right, lower left, and lower right screens of the screen layout 4a.

The area A (p, q, s) of the image display area of the display unit 45 when four screens are set on the display unit 45 according to the screen layout 4b is expressed as follows.
A (p, q, s) = S (p, q, a27) + S (Wp, s, a28) + S (p, H-q, a29) + S (Wp, H-s, a30)
Here, a27, a28, a29, and a30 are aspect ratios of images displayed on the upper left, upper right, lower left, and lower right screens in the screen layout 4b.

The area A (p, q, r) of the image display area of the display unit 45 when four screens are set on the display unit 45 according to the screen layout 4c is expressed as follows.
A (p, q, r) = S (p, H, a31) + S (rp, H, a32) + S (Wr, q, a33) + S (Wr, Hq, a34)
Here, a31, a32, a33, and a34 are the aspect ratios of the images displayed on the left, middle, upper right, and lower right screens of the screen layout 4c.

The area A (p, q, r) of the image display area of the display unit 45 when four screens are set on the display unit 45 according to the screen layout 4d is expressed as follows.
A (p, q, r) = S (p, H, a35) + S (rp, q, a36) + S (Wr, q, a37) + S (Wp, Hq, a38)
Here, a35, a36, a37, and a38 are the aspect ratios of the images displayed on the left, upper middle, upper right, and lower right screens in the screen layout 4d.

When four screens are set on the display unit 45 according to the screen layout 4e, the area A (p, q, r) of the image display area of the display unit 45 is expressed as follows.
A (p, q, r) = S (p, H, a39) + S (rp, q, a40) + S (rp, H-q, a41) + S (Wr, H, a42)
Here, a39, a40, a41, and a42 are the aspect ratios of images displayed on the left, upper middle, lower middle, and right screens of the screen layout 4e.

The area A (p, q, r) of the image display area of the display unit 45 when four screens are set on the display unit 45 according to the screen layout 4f is expressed as follows.
A (p, q, r) = S (p, H, a43) + S (Wp, q, a44) + S (rp, Hq, a45) + S (Wr, Hq, a46) )
Here, a43, a44, a45, and a46 are the aspect ratios of images displayed on the left, upper right, lower middle, and lower right screens in the screen layout 4f.

When four screens are set on the display unit 45 according to the screen layout 4g, the area A (p, q, s) of the image display region of the display unit 45 is expressed as follows.
A (p, q, s) = S (p, H, a47) + S (Wp, q, a48) + S (Wp, sq, a49) + S (Wp, Hs, a50) )
Here, a47, a48, a49 and a50 are the aspect ratios of the images displayed on the left, upper right, middle right and lower right screens for the screen layout 4g.

When four screens are set on the display unit 45 according to the screen layout 4h, the area A (p, q, s) of the image display area of the display unit 45 is expressed as follows.
A (p, q, s) = S (W, q, a51) + S (p, H-q, a52) + S (Wp, s-q, a53) + S (Wp, H-s, a54) )
Here, a51, a52, a53, and a54 are the aspect ratios of images displayed on the upper, lower left, middle right, and lower right screens in the screen layout 4h.

The area A (p, q, s) of the image display area of the display unit 45 when four screens are set on the display unit 45 according to the screen layout 4i is expressed as follows.
A (p, q, s) = S (W, q, a55) + S (p, s−q, a56) + S (Wp, s−q, a57) + S (W, H−s, a58)
Here, a55, a56, a57, and a58 are the aspect ratios of the images displayed on the upper, middle left, right middle, and lower screens of the screen layout 4i.

The area A (p, q, s) of the image display area of the display unit 45 when four screens are set on the display unit 45 according to the screen layout 4j is expressed as follows.
A (p, q, s) = S (W, q, a59) + S (p, s-q, a60) + S (p, Hs, a61) + S (Wp, H-q, a62)
Here, a59, a60, a61, and a62 are the aspect ratios of the images displayed on the upper, middle left, lower left, and lower right screens of the screen layout 4j.

The area A (p, q, s) of the image display area of the display unit 45 when four screens are set on the display unit 45 according to the screen layout 4k is expressed as follows.
A (p, q, s) = S (W, q, a63) + S (W, s−q, a64) + S (p, H−s, a65) + S (W−p, H−s, a66)
Here, a63, a64, a65, and a66 are aspect ratios of images displayed on the upper, middle, lower left, and lower right screens of the screen layout 4k.

The area A (p, q, r) of the image display area of the display unit 45 when four screens are set on the display unit 45 according to the screen layout 4l is expressed as follows.
A (p, q, r) = S (W, q, a67) + S (p, H-q, a68) + S (rp, H-q, a69) + S (Wr, H-q, a70) )
Here, a67, a68, a69, and a70 are the aspect ratios of images displayed on the upper, lower left, lower middle, and lower right screens of the screen layout 4l.

When four screens are set on the display unit 45 according to the screen layout 4m, the area A (p, q, r) of the image display area of the display unit 45 is expressed as follows.
A (p, q, r) = S (p, q, a71) + S (rp, q, a72) + S (r, H-q, a73) + S (Wr, H, a74)
Here, a71, a72, a73, and a74 are aspect ratios of images displayed on the upper left, upper middle, lower left, and right screens of the screen layout 4m.

The area A (p, q, r) of the image display area of the display unit 45 when four screens are set on the display unit 45 according to the screen layout 4n is expressed as follows.
A (p, q, r) = S (p, q, a75) + S (p, H-q, a76) + S (rp, H, a77) + S (Wr, H, a78)
Here, a75, a76, a77, and a78 are the aspect ratios of images displayed on the upper left, lower left, middle, and right screens of the screen layout 4n.

When four screens are set on the display unit 45 according to the screen layout 4o, the area A (p, q, r) of the image display area of the display unit 45 is expressed as follows.
A (p, q, r) = S (r, q, a79) + S (p, H-q, a80) + S (rp, H-q, a81) + S (Wr, H, a82)
Here, a79, a80, a81, and a82 are the aspect ratios of images displayed on the upper left, lower left, lower middle, and right screens of the screen layout 4o.

The area A (p, q, s) of the image display area of the display unit 45 when four screens are set on the display unit 45 according to the screen layout 4p is expressed as follows.
A (p, q, s) = S (p, q, a83) + S (p, s-q, a84) + S (p, Hs, a85) + S (Wp, H, a86)
Here, a83, a84, a85, and a86 are the aspect ratios of images displayed on the upper left, middle left, lower left, and right screens of the screen layout 4p.

The area A (p, q, s) of the image display area of the display unit 45 when four screens are set on the display unit 45 according to the screen layout 4q is expressed as follows.
A (p, q, s) = S (p, s, a87) + S (Wp, q, a88) + S (Wp, sq, a89) + S (W, Hs, a90)
Here, a87, a88, a89, and a90 are the aspect ratios of images displayed on the upper left, upper right, middle right, and lower screens of the screen layout 4q.

The area A (p, q, s) of the image display area of the display unit 45 when four screens are set on the display unit 45 according to the screen layout 4r is expressed as follows.
A (p, q, s) = S (p, q, a91) + S (Wp, q, a92) + S (W, sq, a93) + S (W, Hs, a94)
Here, a91, a92, a93, and a94 are the aspect ratios of images displayed on the upper left, upper right, middle, and lower screens of the screen layout 4r.

The area A (p, q, s) of the image display area of the display unit 45 when four screens are set on the display unit 45 according to the screen layout 4s is expressed as follows.
A (p, q, s) = S (p, q, a95) + S (p, s-q, a96) + S (Wp, s, a97) + S (W, Hs, a98)
Here, a95, a96, a97, and a98 are the aspect ratios of the images displayed on the upper left, middle left, upper right, and lower screens of the screen layout 4s.

When four screens are set on the display unit 45 according to the screen layout 4t, the area A (p, q, r) of the image display area of the display unit 45 is expressed as follows.
A (p, q, r) = S (p, q, a99) + S (rp, q, a100) + S (Wr, q, a101) + S (W, H-q, a102)
Here, a99, a100, a101, and a102 are aspect ratios of images displayed on the upper left, upper middle, upper right, and lower screens of the screen layout 4t.

The area A (p, r, t) of the image display area of the display unit 45 when four screens are set on the display unit 45 according to the screen layout 4u is expressed as follows.
A (p, r, t) = S (p, H, a103) + S (rp, H, a104) + S (tr, H, a105) + S (Wt, H, a106)
Here, a103, a104, a105, and a106 are aspect ratios of images displayed on the first, second, third, and fourth screens from the left in the screen layout 4u.

The area A (q, s, u) of the image display area of the display unit 45 when four screens are set on the display unit 45 according to the screen layout 4v is expressed as follows.
A (q, s, u) = S (W, q, a107) + S (W, s-q, a108) + S (W, u-s, a109) + S (W, Hu, a110)
Here, a107, a108, a109, and a110 are aspect ratios of images displayed on the first, second, third, and fourth screens from the top in the screen layout 4v.

  When a plurality of screen layouts are selected to change the number of screens set in the display unit 45, the display control unit 21 uses the above-described calculation formula for each of the selected plurality of screen layouts. The area A of the image display area is calculated. At this time, among the parameters p, q, r, s, t, and u, the parameter used for calculating the area A is adjusted using a known algorithm such as the steepest descent method or the conjugate gradient method, and each screen layout is adjusted. The maximum value of the area A of the image display area is calculated.

  Here, the ranges in which the parameters p, q, r, s, t, and u can be adjusted are set in each screen layout, and the display control unit 21 calculates the maximum value of the area A within the adjustable range. To do. This is because the parameters p, q, r, s, t or u become zero, or becomes equal to W or H which are the vertical and horizontal lengths of the display unit 45, so that it does not function as a screen layout. This is to prevent it.

  The display control unit 21 compares the maximum value of the area A calculated for each of the selected plurality of screen layouts, and selects the screen layout having the largest maximum value of the area A.

  13 and 14 are explanatory diagrams for explaining the superimposed display of the browser screen. FIG. 13A shows an image displayed on the display unit 45. Here, to simplify the description, it is assumed that the number of screens set in the display unit 45 is one.

  When the display control unit 21 receives an instruction to add a browser screen from the control unit 20, the display control unit 21 stops selecting the screen layout and instructs the setting unit 44 to display the browser screen 6 as shown in FIG. 13B. It is superimposed on the screen set to 45. The image is displayed on the entire superimposed browser screen. Here, in order to reduce the non-display portion of the image displayed on the screen set in the display unit 45, it is preferable that the image display area of the browser screen 6 is narrow.

  The browser screen 6 displays an image provided with the objects 60 and 61, and the cursor 7 indicated by a bold line is at the position of the object 60. Since the image displayed on the browser screen 6 is a part of the image related to the web page acquired by the browser unit 29 from the network 52, additional objects are provided around the objects 60 and 61.

  When the display control unit 21 receives a movement instruction from the control unit 20 and the cursor 7 moves down, the object on which the cursor 7 is located is not displayed. It is calculated so that the object where 7 is located is displayed. When the calculated image display area is within the displayable area, the display control unit 21 expands the image display area of the browser screen 6 to the calculated image display area as illustrated in FIG. The image showing the object 62 where the cursor 7 is located is displayed.

  In FIG. 13C, since the image display area is enlarged, the browser screen 6 displays an image in which objects 62 and 63 are provided in addition to the objects 60 and 61. However, a part of the object 63 is displayed on the browser screen 6.

  When the display control unit 21 further receives a movement instruction from the control unit 20 and the cursor 7 moves up, the display screen 21 displays an image display area in which the browser screen 6 displays an image, and the object 60 where the cursor 7 is positioned is displayed. Calculate to be displayed. In this case, since an image provided with the object 60 is displayed on the browser screen 6 shown in FIG. 13C, the image display area of the browser screen 6 is not changed, and the browser screen 6 is displayed on the browser screen 6 as shown in FIG. 13D. Displays an image in which the cursor 7 is positioned on the object 60.

  When the browser screen 6 displays an image as shown in FIG. 13C and receives a movement instruction from the control unit 20 and the browser unit 29 moves the cursor 7 to the right, the display control unit 21 displays the browser screen. 6 is calculated so that the object 63 where the cursor 7 is located is displayed. Here, since the calculated image display area is within the displayable area, the browser screen 6 expands the image display area to the calculated image display area as shown in FIG. Display the image.

  When the display control unit 21 further receives a movement instruction from the control unit 20 and the cursor 7 moves to the right, the image display area of the browser screen 6 is displayed on the object where the cursor 7 is positioned. calculate. Here, the calculated image display area does not fit within the displayable area. At this time, as shown in FIG. 13F, the display control unit 21 expands the image display area of the browser screen 6 to the maximum in the horizontal direction within the displayable area, and then the object 64 where the cursor 7 is located is displayed. The displayed image is displayed on the browser screen 6. As a result, the entire objects 60 and 62 are not displayed, but the entire object 64 is displayed.

  When the browser screen 6 displays an image as shown in FIG. 13E and receives a movement instruction from the control unit 20 and the browser unit 29 moves the cursor 7 downward, the display control unit 21 displays the browser screen. 6 is calculated so that the object on which the cursor 7 is positioned is displayed. Here, it is assumed that the calculated image display area does not fit within the displayable area. At this time, as shown in FIG. 14A, the display control unit 21 enlarges the image display area of the browser screen 6 to the maximum in the vertical direction within the displayable area, and then shows the object 65 where the cursor 7 is located. Display the current image on the browser screen. As a result, the entire objects 60 and 61 are not displayed, but the entire object 65 is displayed.

  When the display control unit 21 receives a notification indicating reception of the selection of the object 65 from the control unit 20, the display control unit 21 deletes the superimposed browser screen 6, and the browser screen 6 is replaced with a television screen, a video screen, or an explanation screen. Similarly, it is added to one or a plurality of screens set in the display unit 45. Thereby, as shown in FIG. 14B, the browser screen 6 is added to one or a plurality of screens set in the display unit 45, and the image related to the web page is displayed in parallel with the image on which the browser screen 6 is superimposed. Is done.

  15 and 16 are flowcharts showing the procedure of operations executed by the display control unit 21. FIG. First, the display control unit 21 determines whether an instruction to add or reduce a television screen, a video screen, a browser screen, or an explanation screen is received from the remote controller 53 via the light receiving unit 22 and the control unit 20 ( Step S1).

  When it is determined that the addition instruction or the reduction instruction is not received (step S1: NO), the display control unit 21 repeats the determination in step S1 until the addition instruction or the reduction instruction is received. When it is determined that an addition instruction or a reduction instruction has been received (step S1: YES), the display control unit 21 determines whether or not the instruction received in step S1 is a browser screen addition instruction (step S2).

  When the display control unit 21 determines that it is not an instruction to add a browser screen (step S2: NO), the display control unit 21 is used with a screen layout for setting the number of screens changed according to the addition instruction or the reduction instruction on the display unit 45. A value indicating the similarity to the screen layout being read is read from the storage unit 23 (step S3). The display control unit 21 selects, from the read screen layout, a screen layout whose similarity with the used screen layout is a predetermined value or more (step S4).

  The display control unit 21 determines whether or not a plurality of screen layouts have been selected in step S4 (step S5). If the display control unit 21 determines that a plurality of screen layouts have been selected (step S5: YES), the display control unit 21 determines the aspect ratio of each image displayed on one or more screens set in the display unit 45 (step S5). S6).

  As described above, the display control unit 21 determines the television screen or the image format information, resolution information, or aspect ratio information received from the information extraction unit 36, 37, or 38 and the image display mode stored in the storage unit 23. Determine the aspect ratio of the image displayed on the video screen. Further, the display control unit 21 determines the aspect ratio of the image displayed on the browser screen or the explanation screen from the content of the image indicated by the content information received from the browser unit 29 or the renderer unit 30.

Next, the display control unit 21 calculates the area of the image display area of the display unit 45 for each of the plurality of screen layouts selected in step S4 (step S7), and selects the screen layout having the largest area calculated in step S7. (Step S8).
Thereby, the display device 12 can display an image on the display unit 45 more efficiently. Here, the area calculated in step S7 is the maximum value of the area calculated for each screen layout.

  When a plurality of screen layouts are not selected in step S4 (step S5: NO), or after executing step S8, the display control unit 21 displays screen layout information indicating the screen layout selected in step S4 or S8. It outputs to the setting part 44 (step S9). Then, the display control unit 21 instructs the setting unit 44 to cause the display unit 45 to set one or a plurality of screens with the screen layout indicated by the screen layout information output in step S9 (step S10). Furthermore, the display control unit 21 instructs the setting unit 44 to display an image on each of one or a plurality of screens set on the display unit 45 (step S11).

  If the display control unit 21 determines that the instruction received in step S1 is an instruction to add a browser screen (step S2: YES), the display control unit 21 stops selecting the screen layout (step S12) and instructs the setting unit 44 to The browser screen is superimposed on one or more screens set in the display unit 45 (step S13).

  Whether the display control unit 21 has received a movement instruction from the remote controller 53 via the light receiving unit 22 and the control unit 20 to instruct to move the cursor displayed on the browser screen superimposed in step S13 in a predetermined direction. Is determined (step S14).

  When it is determined that the movement instruction has been received (step S14: YES), the display control unit 21 calculates the image display area of the browser screen so that the object where the cursor moved according to the movement instruction is displayed is displayed (step S14). S15). Next, the display control unit 21 determines whether or not the image display area calculated in step S15 exceeds the displayable area of the browser screen (step S16).

  If it is determined that the image display area exceeds the displayable area (step S16: YES), the display control unit 21 expands the image display area of the browser screen to the maximum extent in the direction in which the cursor moves within the displayable area. (Step S17). Then, the display control unit 21 displays an image showing the object on which the cursor is located on the browser screen in the image display area enlarged at step S17 (step S18).

  If the display control unit 21 determines that the image display area does not exceed the displayable area (step S16: NO), the display control unit 21 displays an image related to the web page on the browser screen in the image display area calculated in step S15 (step S16). S19).

  If the display control unit 21 determines that the movement instruction has not been received (step S14: NO), has the selection of the object displayed on the browser screen been received from the remote controller 53 via the light receiving unit 22 and the control unit 20? It is determined whether or not (step S20). The display control unit 21 determines whether or not the selection of the object has been received based on whether or not a notification indicating reception of the selection of the object has been received from the control unit 20.

  If the display control unit 21 determines that the selection of the object has been received (step S20: YES), the display control unit 21 deletes the browser screen superimposed in step S13 (step S21).

  Next, the display control unit 21 stores a screen layout for setting the number of screens changed by the addition of the browser screen in the display unit 45 and a value indicating the similarity between the screen layouts used. (Step S22). The display control unit 21 adds the value related to the insertion position of the browser screen to the value indicating the similarity read from the storage unit 23 (step S23), and the sum of the value indicating the similarity and the value related to the insertion position is predetermined. A screen layout that is greater than or equal to the value is selected (step S24).

  Accordingly, a more natural screen layout in which the browser screen is displayed on the right side of the display unit 45 is selected, the change in the screen layout becomes more natural, and the user can feel less discomfort due to the change in the screen layout.

  After executing Step S24, the display control unit 21 moves the process to Step S5. In this case, in step S5, the display control unit 21 determines whether or not a plurality of screen layouts are selected in step S24. In step S7, the screen of the display unit 45 is displayed for each of the plurality of screen layouts selected in step S24. Calculate the area of the display area. Further, in step S9 when step S24 is executed, the display control unit 21 outputs screen layout information indicating the screen layout selected in step S24 or S8 to the setting unit 44.

  If the display control unit 21 determines that the selection of the object has not been received (step S20: NO), the display controller 21 issues an instruction to delete the browser screen superimposed in step S13 from the remote controller 53 via the light receiving unit 22 and the control unit 20. It is determined whether it has been accepted (step S25).

  If the display control unit 21 determines that the delete instruction has not been received (step S25: NO), or displays an image on the browser screen in step S18 or S19, the process returns to step S14. When it is determined that the deletion instruction has been received (step S25: YES), the display control unit 21 deletes the browser screen superimposed in step S13 (step S26).

  The display control part 21 complete | finishes a process, after performing step S11 or step S26, and performs step S1 anew.

  The display device 12 can change the number of screens to be set in the display unit 45 from not only 1 but also, for example, from 1 screen to 3 screens and to change 2 or more. In this case, the display control unit 21 may repeat the operation procedure shown in FIGS. 15 and 16 as many times as the number of screens that have been added or reduced.

  In the display device according to the first embodiment, the user instructs the addition or reduction of the television screen, video screen, browser screen or explanation screen using the remote controller 53 to change the number of screens. There is no need to select a screen layout when doing so. For this reason, the display device 12 can reduce the load on the user related to the change in the number of screens.

  In addition, since one or a plurality of screens are set in the display unit 45 with a screen layout in which the value indicating the similarity to the screen layout being used is a predetermined value or more, the screen set in the display unit 45 is changed. Is natural.

  Further, when the display device 12 receives an addition instruction or a reduction instruction from the remote controller 53 and changes the number of screens set in the display unit 45, the display device 12 sets the same number of screens in the display unit 45 as the changed number of screens. Since the screen layout is selected, the image can be displayed on the display unit 45 without waste.

  Further, when the display device 12 receives an instruction to add a browser screen from the remote controller 53, the display device 12 superimposes the browser screen on one or a plurality of screens set in the display unit 45. Further, the display device 12 adds the browser screen to the screen set by the display unit 45 when the selection of an object to be displayed on the superimposed browser screen is received. As a result, when the user uses the browser screen only for a short time, the user can view the image related to the web page without changing the screen layout, and when the user selects the object and uses the browser screen for a long time, the screen is displayed. The browser screen is displayed in parallel with the displayed screen. For this reason, the convenience for the user is improved.

(Embodiment 2)
FIG. 17 is a block diagram showing the configuration of the television receiver in the second embodiment. About the part similar to Embodiment 1, the same code | symbol is attached | subjected and description is abbreviate | omitted.

  The television receiver 8 in the second embodiment includes tuner units 10 and 11 and a display device 80. The display device 80 includes a USB (Universal Serial Bus) interface 46 in addition to the components included in the display device 12.

  The USB interface 46 is configured to be connectable to the portable recording medium 9. In the portable recording medium 9, a screen layout for setting the number of screens changed in accordance with an instruction for adding or reducing a screen set in the display unit 45, that is, an instruction for changing the number of the screens, in the display unit 45. The selection step for selecting a screen layout whose value indicating the similarity to the screen layout being used is a predetermined value or more, or the setting step for setting one or a plurality of screens on the display unit 45 with the selected screen layout A computer program 90 for causing a computer to execute the above is stored. The recording medium 9 is a USB memory, for example.

  The display control unit 21 reads the computer program 90 stored in the recording medium 9 via the USB interface 46 and executes the read computer program 90. Thereby, the display device 80 and the television receiver 8 including the display device 80 operate in the same manner as the display device 12 and the television receiver 1 in the first embodiment.

  In the first and second embodiments, the number of video and audio signals related to television broadcasting received by the display device 12 or 80 is not limited to two, and may be one or three or more. Similarly, the number of image audio signals received from the external device 51 received by the display device 12 and the number of image signals related to the web page acquired from the network 52 are not limited to 1, and may be 2 or more.

  In addition, the display device 12 or 80 displays on one or a plurality of screens set in the display unit 45 by receiving a signal indicating an aspect ratio from the remote controller 53 when the user inputs to the remote controller 53. You may comprise so that the aspect-ratio of an image may be acquired.

  Furthermore, the display device 12 or 80 may include a receiving unit that directly receives an instruction or selection that the light receiving unit 22 receives from the remote controller 53 from the user. In this case, the reception unit outputs the received instruction to the control unit 20 and notifies the control unit 20 of selection reception.

  Further, the number of screens that can be displayed by the display device 12 or 80 is not limited to one screen to four screens, and may be one screen to five screens or more. In this case, the storage unit 23 stores a screen layout for setting five or more screens in the display unit 45, and a value indicating similarity corresponding to the screen layout.

  In addition, the value related to the insertion position of the browser screen may not be set higher as the insertion position of the browser screen is on the right side. The value related to the insertion position of the browser screen may be set higher as the insertion position of the browser screen is on the left side, upper side, or lower side.

  When the display device 12 or 80 adds a browser screen in the same manner as a television screen, a video screen, or an explanation screen and selects a screen layout, the display device 12 or 80 displays a value indicating the similarity and a value related to the insertion position of the browser screen. A screen layout in which the value indicating the degree of similarity is not less than a predetermined value may be selected. In this case, the display control unit 21 executes step S22 in the operation procedure shown in FIGS. 15 and 16 and then moves to step 24. In step S24, the value indicating the similarity is read from the storage unit 23. Select a screen layout with a predetermined value or more.

  In addition, when the display device 12 or 80 receives an instruction to add a browser screen, the display device 12 or 80 may not superimpose the browser screen on one or more screens set in the display unit 45 and display the browser screen. The same processing as when a television screen or a video screen accepts an additional instruction may be executed. In this case, the display control unit 21 does not execute Step S2 in the operation procedure shown in FIGS. 15 and 16.

  Further, the display device 12 or 80 may not select one screen layout based on the calculated area of the image display area of the display unit 45 from the selected plurality of screen layouts. The display device 12 or 80 may select, for example, a screen layout that is first detected from among screen layouts that have a value that indicates a degree of similarity equal to or greater than a predetermined value, or one screen based on other elements other than the area. A layout may be selected.

1,8 Television receiver 10, 11, Tuner unit 12, 80 Display device 2a, 2b, 3a, 3b, 3c, 3d, 3e, 3f, 4a, 4b, 4c, 4d, 4e, 4f, 4g, 4h, 4i , 4j, 4k, 4l, 4m, 4n, 4o, 4p, 4q, 4r, 4s, 4t, 4u, 4v Screen layout 20 control unit 21 display control unit 22 light receiving unit 44 setting unit 45 display unit 6 browser screen 60, 61 , 62, 63, 64, 65 Object 9 Recording medium 90 Computer program

Display device according to the present invention is a display device for displaying an image by setting one or more screens on a display unit on each screen in accordance with the screen layout which is stored in advance one number of the screen is a predetermined number or Storage means for storing a value indicating the degree of similarity between a plurality of screen layouts and one or a plurality of screen layouts in which the number of the screens is different from the predetermined number, and an instruction for receiving an instruction to change the number of the screens a receiving unit, when the instruction receiving unit receives the instruction, the similarity of a plurality of screen layout for setting the screen number has been changed in accordance with the instructions on the display unit, a screen layout used reading means for reading a value indicating from said storage means, der plurality of screen layout for setting on the display unit, the value indicating the degree of similarity the reading unit has read more than a predetermined value And selecting means for selecting one or more of screen layout, further comprising a setting means for setting one or more screens on the display unit in any one of one or more of screen layout which the selecting means is selected Features.

The display device according to the present invention includes: a stopping unit that stops selection by the selecting unit when the instruction received by the instruction receiving unit is an instruction to add a browser screen that displays an image related to a web page; A superimposing unit that superimposes the browser screen on a screen displaying an image when the unit stops the selection; a selection receiving unit that accepts selection of an object displayed on the browser screen superimposed by the superimposing unit; Deletion means for deleting the browser screen when the selection receiving means receives the selection, and the reading means adds 1 to the number of the screens when the deletion means deletes the browser screen read by one or a plurality of screen layout for the number screen set on the display unit has a value indicating the similarity between the screen layout used, Serial setting means is characterized in that is arranged to set one or more screens including the browser screen.

The display device according to the present invention includes a second storage unit that stores a value related to an insertion position of the browser screen, and the selection unit includes the reading unit when the deletion unit deletes the browser screen. Is configured to select a screen layout in which the sum of the value indicating the degree of similarity read and the value related to the insertion position of the browser screen stored in the second storage unit is equal to or greater than a predetermined value. It is characterized by being.

The display method according to the present invention includes a display unit, a plurality of screen layouts, and one or a plurality of screen layouts in which the number of screens for displaying images is a predetermined number, and the number of the screens is different from the predetermined number. or more display and storage means for storing a value indicating the similarity between the screen layout, to set one or more of the screen on the display unit according to the screen layout which is stored in the storage means In a display method for displaying an image on each screen, an instruction to change the number of the screens is received, and when the instructions are received, a plurality of screens for setting the number of screens changed in accordance with the instructions to the display unit It shows the layout reads the value that indicates the similarity between the screen layout used from the storage unit, a plurality of screen layout for setting on the display unit, the read similarity Value selected one or more of the screen layout is not less than the predetermined value, and sets one or more screens on the display unit in any one of the selected one or more of the screen layout.

The computer program according to the present invention includes a display unit , a plurality of screen layouts, and one or more screen layouts in which the number of screens for displaying images is a predetermined number, and the number of the screens is different from the predetermined number. Or a computer comprising storage means for storing a degree of similarity with a plurality of screen layouts, each of which is configured to set one or a plurality of screens on the display unit according to the screen layout stored in the storage means In a computer program for displaying an image on a screen, the computer includes a plurality of screen layouts for setting the number of screens changed in accordance with an instruction to change the number of screens on the display unit, and a screen layout used. a plurality of screen layout for a value that indicates the degree of similarity to read from said storage means, the computer is set to the display unit Et al., The value indicating the read similarity is allowed to select one or more of the screen layout is not less than the predetermined value, the computer, select the one or more screens the display unit to one or more of any one of the layouts The screen is set.

In the display device, the display method, and the computer program according to the present invention, a screen layout used from a plurality of screen layouts for setting the number of screens changed in accordance with an instruction to change the number of screens on the display unit One or a plurality of screen layouts having a value indicating the similarity to the predetermined value is greater than or equal to a predetermined value. Then, one or a plurality of screens are set on the display unit with any one of the selected one or a plurality of screen layouts.

Thereby, since the user does not need to select a screen layout when changing the number of screens, the user's load concerning the change of the number of screens is small. Also, if the user changes the number of screens is selected one or more of the screen layout value indicating the similarity between the screen layout used is equal to or greater than a predetermined value, selected the one or more screens Since one or more screens are displayed in any one of the layouts , it is natural to change one or more screens set in the display unit.

In the display device according to the present invention, the stopping unit stops the selection by the selecting unit when the instruction received by the instruction receiving unit is an instruction to add a browser screen that displays an image related to the web page. The superimposing unit superimposes the browser screen on the screen displaying the image when the stop unit stops the selection. Then, when the selection receiving unit receives a selection of an object displayed on the superimposed browser screen, the deletion unit deletes the browser screen.

When the deletion unit deletes the browser screen, the reading unit adds one or more screens to the display unit and sets one or a plurality of screen layouts, and the screen layout used. A value indicating the degree of similarity is read. The selecting unit selects one or a plurality of screen layouts having a value indicating the similarity read by the reading unit being a predetermined value or more from a plurality of screen layouts to be set in the display unit . The setting means sets one or a plurality of screens including the browser screen in any one of the one or a plurality of screen layouts selected by the selection means .

Claims (8)

In a display device that displays one image on each screen by setting one or more screens in the display unit according to a pre-stored screen layout,
Instruction receiving means for receiving an instruction to change the number of the screens;
When the instruction accepting unit accepts the instruction, a value indicating the similarity to the screen layout being used is a predetermined value from the screen layout for setting the number of screens changed according to the instruction on the display unit. Selection means for selecting the screen layout as described above,
A display device comprising: setting means for setting one or a plurality of screens on the display unit with the screen layout selected by the selection means. When the selection means selects a plurality of screen layouts, for each of the plurality of screen layouts, comprising a calculation means for calculating the area of an area for displaying an image on the display unit,
The display device according to claim 1, wherein the setting unit is configured to set one or a plurality of screens with a screen layout having the largest area calculated by the calculation unit. When the instruction received by the instruction receiving means is an instruction to add a browser screen for displaying an image related to a web page, a stopping means for stopping selection by the selecting means;
Superimposing means for superimposing the browser screen on a screen displaying an image when the stopping means stops the selection;
Selection accepting means for accepting selection of an object displayed on the browser screen superimposed by the superimposing means;
Deleting means for deleting the browser screen when the selection accepting means accepts the selection;
The selecting means is used from one or a plurality of screen layouts for setting the number of screens added by 1 to the number of the screens in the display unit when the deleting means deletes the browser screen. Select a screen layout that has a value that is greater than or equal to a predetermined value
The display device according to claim 1, wherein the setting unit is configured to set one or a plurality of screens including the browser screen. The selection unit selects a screen layout in which the sum of the value indicating the similarity and the value related to the insertion position of the browser screen is equal to or greater than a predetermined value when the deletion unit deletes the browser screen. The display device according to claim 3, wherein the display device is configured as follows. A display device according to any one of claims 1 to 4,
And a tuner for receiving television broadcasts,
The television receiver is configured to display an image related to television broadcast received by the tuner unit. In a display method in which one or a plurality of screens are set on a display unit according to a screen layout stored in advance and an image is displayed on each screen,
Accepting instructions to change the number of the screens,
When the instruction is received, a screen layout in which a value indicating the similarity to the screen layout being used is equal to or greater than a predetermined value from the screen layout for setting the number of screens changed according to the instruction in the display unit Select
A display method, wherein one or a plurality of screens are set on the display unit with a selected screen layout. In a computer program for causing a computer having a display unit to display one or more screens on the display unit according to a screen layout stored in advance and displaying an image on each screen,
A screen having a value indicating a degree of similarity with a used screen layout equal to or greater than a predetermined value from a screen layout for setting the number of screens changed in accordance with an instruction to change the number of screens on the computer to the display unit Let the layout be selected,
A computer program for causing a computer to set one or a plurality of screens with a selected screen layout. A computer-readable recording medium, wherein the computer program according to claim 7 is recorded.

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