JP2013089047A - Display device, control method for display device, control program, and program recording medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device that allows a user to perform display operation as smooth as remote control operation by button operation on the main body of the display device while recognizing the whole display content displayed on a large screen.SOLUTION: A display device includes: a thin display panel 150a for displaying an image on the basis of an image display signal Ds; a button part 120 provided at the thin display panel 150a and configured to generate an operation signal Bs by operator's button operation; a remote control reception part 130 for receiving an infrared signal IRc from a remote controller 10 to output a remote control signal Rs; and an image control part 140 for controlling image display on the thin display panel 150a on the basis of the operation signal Bs or the remote control signal Rs. When receiving the operation signal Bs from the button part 120, the image control part 140 generates an image display signal Ds so that a scaled-down screen 5a is formed by scaling down a display screen (large screen) 5 and the image is displayed on the scaled-down screen 5a in a display area 151 of the thin display panel 150a.

Description

  The present invention relates to a display device, a display device control method, a control program, and a program recording medium, and in particular, in a display device having a large screen, a display configured to reduce and display an image displayed on a large screen on a reduced screen. The present invention relates to a device, a control method for controlling such a display device, a control program for executing such a control method for a display device by a computer, and a computer-readable recording medium on which such a control program is recorded. .

  In recent years, thin and flat display panels (that is, flat panel displays) using liquid crystal or plasma have become common as display devices, and are used as displays for television receivers and personal computers that receive television broadcast programs. It has been.

  For example, Patent Literature 1 discloses such a television receiver. In this television receiver, a remote control receiver that receives an infrared signal as an operation signal from a remote controller (hereinafter referred to as a remote controller) is provided. Various controls and adjustments in the television receiver can be performed in accordance with the operation of the remote control. In addition, the television receiver's flat panel display is equipped with power buttons and operation buttons for various operations such as channel switching, volume adjustment, and screen brightness adjustment. Various operations can also be performed by operating the operation buttons, as in the case of the remote control.

  FIG. 20 is a diagram showing a flat panel display disclosed in Patent Document 1. As shown in FIG.

  A display screen unit 23 is provided on the front panel 22 constituting the flat panel display 21, and a button operation unit 24 is provided at the lower left corner of the front panel 22.

  Here, the button operation unit 24 includes operation buttons such as a power button, a channel switching button, a volume adjustment button, a display switching button, and a brightness adjustment button. These operation buttons are arranged in the horizontal direction on the lower surface of the front panel 22, and are configured to be operated by being pushed upward with a fingertip.

  Further, the front surface of the front panel 22 is a remote control light receiving window 25 for a remote control light receiving unit, a brightness detection window 26 for a brightness sensor, and a light emitting window for emitting light emitted from an LED (light emitting diode) that emits light when the power is turned on. 27 is provided.

  Recently, flat panel displays such as liquid crystal displays have been increasing in size. However, in such displays, a remote controller is generally used for screen display operations. This situation is likely to continue even though

  Even in such a large flat panel display (hereinafter also referred to as a large screen display), it is necessary to take into account the situation where the remote controller must be operated even when it is not at hand or when the remote controller is turned off. In general, a button is provided on the display main body, and the same operation as that of the remote controller can be supplementarily performed by using the button.

  In recent years, operations using touch panels mounted on mobile devices are becoming more common, but such touch panels are spreading beyond mobile devices, and there is no exception in large-screen displays. Expected to increase.

JP 2010-206627 A

  However, in a large display, when operating with the buttons arranged on the display body, the distance between the operating person and the screen is at most the length of one arm. In consideration of bending, the operator should actually be closer to the screen.

  When operating a large-screen display in such a state, it is difficult to operate while looking over the entire screen, and it cannot be performed smoothly in the same way as with a remote controller. Also, it is difficult to operate the touch panel across the entire screen with a large screen display, as with the above buttons, and it is difficult to perform a touch panel that is the same size as the large screen. is there.

  The present invention has been made to solve the above-described problems. The entire display content displayed on the large screen is looked at and a smooth display can be performed in the same manner as remote control operation by operating the buttons on the display device body. Display device capable of performing operation, control method for such display device, control program for performing control method for such display device by computer, and computer-readable recording medium recording such control program The purpose is to obtain.

  A display device according to the present invention has a display area, an image display unit that forms a display screen on the display area based on an image display signal and displays an image in the display screen, and the image display unit An operating unit that generates an operation signal by an operator's operation, a receiving unit that receives a remote control signal from a remote controller, and controls image display on the image display unit based on the operation signal or the remote control signal A display device including an image control unit that receives the operation signal from the operation unit, and forms a reduced screen in which the display screen is reduced in a display area of the image display unit. Then, the image display signal is generated so that the image is displayed in the reduced screen, thereby achieving the above object.

  According to the present invention, in the display device, the operation unit includes an operation button provided in a part of the periphery of the image display unit, and is configured to output the operation signal by operating the operation button. It is preferable that

  In the display device according to the present invention, the operation unit includes a touch panel arranged on a display area of the image display unit, and is configured to output the operation signal by a touch operation on the touch panel. Is preferred.

  According to the present invention, in the display device, the image control unit detects a size of a reduced character displayed on the reduced screen based on a reduction ratio of the reduced screen with respect to the display screen; A reduced character has a character recognition determination unit that determines whether or not the operator can recognize the reduced character, and the size of the reduced character is smaller than the recognizable size Preferably, the image display signal is generated so that characters on the display screen are displayed in a reduced size that can be recognized on the reduced screen of the image display unit.

  In the display device according to the aspect of the invention, when the image control unit reduces the characters on the display screen to a reduced size that can be recognized by the operator and displays the reduced characters on the reduced screen, the reduced characters are removed from the reduced screen. When protruding, only a part of the characters on the display screen is reduced to the minimum size recognizable by the operator and displayed on the reduced screen, and the characters that protrude from the reduced screen are not displayed on the reduced screen. It is preferable to create a display signal.

  According to the present invention, in the display device, when the image control unit displays the image on the display screen in a reduced size on the reduced screen, some characters on the display screen are displayed on the reduced screen in the display area. It is preferable that the image display signal is generated so that the image display signal is displayed on the outer portion.

  According to the present invention, in the display device, the image control unit generates the image display signal so that a character displayed on a portion outside the reduced screen in the display area is reduced within a size range in which the character can be recognized. It is preferable to do.

  According to the present invention, in the display device, the image display unit includes a plurality of thin display panels arranged in a matrix so that the display areas of the plurality of thin display panels form the display area of the image display unit. It is preferable that

  The display device control method according to the present invention includes a display area, an image display unit that forms a display screen on the display area based on an image display signal, and displays the image on the display screen, and the image A display device provided on the display unit and having an operation unit that generates an operation signal by an operator's operation and a reception unit that receives a remote control signal from a remote controller is displayed on the image display unit. A method of controlling, comprising the step of controlling the image display on the image display unit based on the operation signal or the remote control signal, wherein the display device is controlled by the remote control signal in the step of controlling the image display Then, the display screen is formed on the entire display area of the image display section, the image is displayed on the display screen, and the display device is controlled by the operation signal to control one display area of the image display section. Part Forming a reduced screen obtained by reducing the 示画 surface is intended to display the image in said reduced screen, the objects can be achieved.

  The control program according to the present invention is a control program for causing a computer to execute the above-described display device control method according to the present invention, thereby achieving the above object.

  The program recording medium according to the present invention is a computer-readable program recording medium in which the above-described control program according to the present invention is recorded, whereby the above object is achieved.

  Next, the operation will be described.

  In the present invention, an image display unit that forms a display screen (large screen) or a reduced screen on the display area based on an image display signal and displays an image, and the image display unit are provided by an operator's operation. An operation unit that generates an operation signal, a reception unit that receives a remote control signal from a remote controller, and an image control unit that controls image display on the image display unit based on the operation signal or the remote control signal, When receiving the operation signal, the image control unit creates an image display signal so that a reduced screen of the display screen is formed in the display area of the image display unit and the image is displayed in the reduced screen. By recognizing the entire display content of the large screen formed in the display area of the image display unit, it is possible to perform a smooth display operation in the same way as remote control operation by the operation unit provided in the image display unit. That.

  Further, in the present invention, when the size of the reduced character on the reduced screen is smaller than the recognizable size, the reduced screen of the image display unit displays the character on the display screen (large screen) in a recognizable reduced size. Thus, the characters of the item selected on the reduced screen can be read properly, smooth operation is possible, and user convenience is improved.

  In the present invention, the operation unit includes a touch panel arranged on the display area of the image display unit, and is a touch panel unit configured to output an operation signal by a touch operation on the touch panel. When operating the touch panel on the reduced screen in the display area, the touch operation area becomes a small area in the reduced screen, so that it can be operated in the same way as the touch panel operation on mobile devices. Will improve.

  As described above, according to the present invention, there is provided a display device capable of performing a smooth display operation in the same manner as a remote control operation by operating the buttons of the display device body, overlooking the entire display content displayed on the large screen. Such a display device control method, a control program for performing such a display device control method by a computer, and a computer-readable recording medium recording such a control program can be obtained.

1A and 1B are diagrams for explaining a display device according to Embodiment 1 of the present invention. FIG. 1A shows the overall configuration of the display device, and FIG. 1B shows an image control unit constituting the display device. The structure of is shown. FIG. 2 is a diagram for explaining the operation of the display device according to the first embodiment of the present invention, in which a display screen (large screen) is formed in the entire display area of the display device and an image is displayed in the large screen. Is shown. FIG. 3 is a diagram for explaining the operation of the display device according to the first embodiment of the present invention. In the display area of the display device according to the first embodiment, a reduced screen obtained by reducing the large screen is formed and an image is displayed on the reduced screen. Is displayed. FIG. 4 is a diagram for explaining the operation of the display device according to the first embodiment of the present invention, and shows a state in which the first item (program) is selected from the top of the main item selection area. FIG. 5 is a diagram for explaining the operation of the display device according to the first embodiment of the present invention, and shows a state in which the second item (advertisement) is selected from the top of the main item selection area. FIG. 6 is a diagram for explaining the operation of the display device according to the first embodiment of the present invention, and shows a state where the third item (weather) is selected from the top of the main item selection area. FIG. 7 is a diagram for explaining the operation of the display device according to the first embodiment of the present invention. The third item (weather) from the top of the main item selection area is confirmed, and two from the left of the auxiliary item selection area. The state where the eye item (Shiga) is selected is shown. FIG. 8 is a diagram for explaining a display device according to Embodiment 2 of the present invention. FIG. 8 (a) shows the overall configuration of the display device, and FIG. 8 (b) shows an image control unit constituting the display device. The structure of is shown. FIG. 9 is a diagram for explaining the operation of the display device according to the second embodiment of the present invention. When the image displayed on the display screen is reduced and displayed on the reduced screen, the reduction ratio of the screen and the characters in the image are displayed. The case where the reduction ratio is changed is shown. 10A and 10B are diagrams for explaining a display device according to Embodiment 3 of the present invention. FIG. 10A shows the overall configuration of the display device, and FIG. 10B shows an image control unit constituting the display device. The structure of is shown. FIG. 11 is a diagram for explaining the operation of the display device according to the third embodiment of the present invention. When the image displayed on the display screen is reduced and displayed on the reduced screen, the item including the selected character is out of the reduced screen. The case where it is displayed on is shown. 12A and 12B are diagrams for explaining a display device according to Embodiment 4 of the present invention. FIG. 12A shows the overall configuration of the display device, and FIG. 12B shows an image control unit constituting the display device. The structure of is shown. FIG. 13 is a diagram for explaining the operation of the display device according to the fourth embodiment of the present invention, and shows a case where the history of the selected item including character information is displayed outside the reduced screen. FIG. 14 is a diagram for explaining a display device according to Embodiment 5 of the present invention. FIG. 14 (a) shows the overall configuration of the display device, and FIG. 14 (b) shows an image control unit constituting the display device. The structure of is shown. FIG. 15 is a diagram for explaining the operation of the display device according to the fifth embodiment of the present invention, and shows a case where a selected item including character information is reduced and displayed outside the reduced screen. FIG. 16 is a diagram for explaining a display device according to Embodiment 6 of the present invention. FIG. 16 (a) shows the overall configuration of the display device, and FIG. 16 (b) shows an image control unit constituting the display device. The structure of is shown. FIG. 17 is a diagram for explaining the operation of the display device according to the sixth embodiment of the present invention, and shows a state in which the screen is reduced and displayed when the touch panel is operated. FIG. 18 is a diagram for explaining a display device according to Embodiment 7 of the present invention, and shows a state in which a display screen is formed across display areas of a plurality of thin display panels. FIG. 19 is a diagram for explaining a display device according to Embodiment 7 of the present invention, in which a display screen formed across the display areas of a plurality of thin display panels is reduced to the display area of one thin display panel. The reduced screen is displayed. FIG. 20 is a diagram illustrating a display device disclosed in Patent Document 1. In FIG.

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

(Embodiment 1)
1 to 3 are diagrams for explaining a display device according to Embodiment 1 of the present invention. FIG. 1 (a) shows the overall configuration of the display device, and FIG. 1 (b) shows the display device. The structure of the image control part is shown.

  FIG. 2 shows a state in which a display screen (large screen) is formed over the entire display area of the display device according to the first embodiment and an image is displayed on the large screen. FIG. 3 shows a display device according to the first embodiment. In this display area, a reduced screen obtained by reducing the large screen is formed and an image is displayed on the reduced screen.

  The display device 100 according to the first embodiment includes a display area 151, and a display screen (hereinafter also referred to as a large screen) 5 or a display screen 151 on the display area 151 based on the image display signal Ds obtained by processing the image signal Vs. An image display unit 150a that forms a reduced screen 5a and displays an image in the large screen 5 or the reduced screen 5a, a button unit (operation unit) 120 that generates an operation signal Bs by an operator's button operation, and an operator's A remote controller (hereinafter also referred to as a remote controller) 10 that outputs an infrared signal IRc including a remote control signal by a remote control operation, a remote control receiver 130 that receives an infrared signal IRc from the remote controller 10 and outputs a remote control signal Rs, An image is displayed by an image display signal Ds obtained by processing the image signal Vs based on the signal Bs or the remote control signal Rs. And an image control unit 140 for controlling the image display in 150a. Here, the image display unit 150a is configured by a thin display panel such as a liquid crystal display panel.

  In the display device 100 according to the first embodiment, when the image control unit 140 receives the remote control signal Rs from the remote control unit 120, the large screen 5 is displayed in the display area 151 of the image display unit 150a using the remote control signal Bs as a trigger. When the image is displayed on the large screen 5 and the operation signal Bs is received from the button unit 120, the reduced screen 5a is obtained by reducing the large screen 5 in the display area 151 of the image display unit 150a using the operation signal Bs as a trigger. Is formed and the image display signal Ds is generated by processing the image signal Vs so that the image is displayed in the reduced screen 5a.

  As shown in FIG. 1B, the image control unit 140 receives the operation signal Bs from the button unit 120 and the remote control signal Rs from the remote control receiving unit 130, and outputs a command signal Cs corresponding to the operation of the operator. An image signal based on the operation signal processing unit 141, the reduction rate storage unit 142 storing the reduction rate of the reduction screen with respect to the display screen (large screen), and the reduction signal Sc from the command signal Cs and the reduction rate storage unit 142 And an image signal processing unit 143 that performs processing on Vs and outputs an image display signal Ds.

  Here, the display device 100 is connected to the recording / reproducing device 30, and the tuner 20 is connected to the recording / reproducing device 30, and the broadcast signal Bcs received by the tuner 20 is recorded on the display device 100. The video signal recorded on the recording medium is supplied as the image signal Vs from the recording / playback device 130 as the image signal Vs via the playback device 30. The image signal Vs from the reproduction device 130 is processed and an image display signal Ds is output.

  However, the image signal supplied to the display device 100 is not limited to that from the tuner 20 or the recording / reproducing device 130, and is stored in a recording medium such as a USB memory or an SD card in the display device 100, for example. Existing image data, for example, still image data may be supplied as an image signal. In this case, the display device 100 is configured to have a USB connection terminal for connecting a USB memory or a card slot for mounting an SD card, and the image control unit is connected to the USB memory or the card slot connected to the USB connection terminal. Image data is read from the loaded SD card as an image signal, and an image display signal Ds is output by processing the image signal. Further, the recording medium that supplies the image data to the display device does not need to be an external memory of the display device such as the USB memory or the SD card. For example, an internal hard disk or the like provided in the display device The display device may be configured to acquire image data from both the external memory and the internal memory.

  The button unit 120 includes, for example, operation buttons 121 to 123 provided at a part of the periphery of a thin display panel (image display unit) 150a such as a liquid crystal display panel, and outputs an operation signal Bs by operating the operation button. It is configured. The remote control receiving unit 130 is provided at the lower front portion of the thin display panel 150a.

  Here, when the remote controller is operated, a large screen (display screen) 5 is formed in the display area 151 of the thin display panel 150a as shown in FIG. The large screen 5 includes a main item selection area 6, an auxiliary item selection area 7, and an image area 8.

  The main item selection area 6 is arranged on the right side of the large screen 5 so as to extend in the vertical direction. The main item selection area 6 includes “program”, the first to fifth main items to be selected, "Advertisement", "weather", "region", and "setting" are arranged in the vertical direction. The auxiliary item selection area 7 is located at the top of the large screen 5 so as to extend in the horizontal direction. As the first to third auxiliary items to be selected, “Shiga”, “Nara”, “Wakayama” Are arranged in the horizontal direction. Here, the third main item “weather” is confirmed, and the second auxiliary item “Nara” is confirmed. Further, the image area 8 is arranged so as to occupy a portion other than the arrangement area of the main item selection area 6 and the auxiliary item selection area 7 on the large screen 5, and images indicating the weather in various places in Nara are displayed. .

  On the other hand, when the display screen (large screen) shown in FIG. 2 is displayed in the display area 151 of the thin display panel 150a and the remote control operation is switched to the button operation, the display area 151 of the thin display panel 150a includes As shown in FIG. 3, a reduced version of the large screen 5 shown in FIG. 2 is displayed as the reduced screen 5a. That is, the reduced screen 5a includes a main item selection area 6a, an auxiliary item selection area 7a, and an image area 8a. The main item selection area 6a is arranged on the right side of the reduced screen 5a so as to extend in the vertical direction. The main item selection area 6a of the reduced screen 5a is similar to the main item selection area 6 of the large screen 5. As the first to fifth main items to be selected, “program”, “advertisement”, “weather”, “region”, and “setting” are arranged in the vertical direction.

  The auxiliary item selection area 7a of the reduced screen 5a is positioned so as to extend in the horizontal direction above the reduced screen 5a, and the auxiliary item selection area 7a of the large screen 5 is included in the auxiliary item selection area 7a of the reduced screen 5a. Similarly, “Shiga”, “Nara”, and “Wakayama” are arranged in the horizontal direction as the first to third auxiliary items to be selected. Here, the third main item “weather” is confirmed, and the second auxiliary item “Nara” is confirmed. The image area 8a is arranged so as to occupy a portion other than the arrangement area of the main item selection area 6a and the auxiliary item selection area 7a on the reduced screen 5a, and an image showing weather in various places in Nara is displayed. .

  In the reduced screen 5a, since the button portion 120 is disposed on the lower right side portion of the thin display panel 150a, the area reduction ratio relative to the large screen 5 is set at the lower right corner of the display area 151 of the thin display panel 150a. Is reduced to a similar shape so as to be 9 percent, for example.

  Next, the operation will be described.

  In the display device 100 according to the first embodiment, the image signal Vs, for example, the broadcast signal Bcs from the tuner 20 is supplied to the image control unit 140. On the other hand, the infrared signal IRc emitted from the remote controller 10 by the operation of the remote controller 10 is received by the remote controller receiver 130, the remote controller signal Rs is supplied from the remote controller receiver 130 to the image controller 140, and the button unit 120 is operated by the operation of the button unit 120. An operation signal Bs is supplied to the image control unit 140.

  Hereinafter, an operation of selecting items displayed on the display screen (large screen) 5 by the remote controller 10 will be described first.

  4 to 7 are diagrams for explaining how the remote controller 10 selects a plurality of items displayed on the display screen 5.

  FIG. 4 is an example of the first display image of the remote control operation, and the operation of a series of flows from here until the image showing the weather of Nara shown in FIG. 2 is displayed will be described.

  For example, a large screen 5 is formed in the display area 151 of the thin display panel 150a, and the large screen 5 includes a main item selection area 6, an auxiliary item selection area 7, and an image area 8.

  Initially, “program”, “advertisement”, “weather”, “region”, and “setting” are displayed as main items in the main item selection area 6, and the first item “program” is selected. Yes. In this selection state, the display portion of the selected item is in a state where the display state (background color intensity, luminance, background pattern, etc.) has changed with respect to the display portions of other items (FIG. 4). ).

  The selection state (cursor) here can be moved only to the main item that is adjacent to the top and bottom. In this case, since the direct movement from “program” to “weather” is not possible, the selection state is “advertisement” first. Move to. FIG. 5 shows a selection state of the item “advertisement”.

  Again, “weather” is selected by operating the image control unit 140 of the display device by remote control operation (see FIG. 6).

  Here, the main item “weather” is confirmed by transmitting the remote control signal to the image control unit 140 by remote control operation of the main item “weather” (FIG. 7). As the main item is confirmed, auxiliary items, that is, “Kyoto”, “Shiga”, and “Nara” appear in the auxiliary item selection area 7.

  Further, by transmitting a remote control signal to the image control unit 140 by remote control operation, the auxiliary item “Nara” is selected and confirmed as shown in FIG. Thereby, the weather of Nara is displayed in the image area 8 (FIG. 2).

  Such a display screen 5 is displayed in the display area 151 based on the image display signal Ds created by the image signal processing unit 143 from the image signal Vs and the command signal Cs from the operation signal output unit 141.

  When the operation of selecting various items displayed on the display screen 5 is being performed, the operator's operation is switched from the operation using the remote controller 10 to the operation using the button unit 120 of the thin display panel 150a. The operation signal Bs is supplied from the unit 120 to the image control unit 140, and in the image control unit 140, the operation signal Bs is processed by the operation signal processing unit 141 and the command signal Cs is output to the image signal processing unit 143.

  Then, the image signal processing unit 143 recognizes that the command signal Cs is a signal from the button unit 120, and displays the display screen 5 at the reduction rate (here 9%) Sc read from the reduction rate storage unit 142. The reduced screen 5a is displayed in the display area 151 of the thin display panel 150a.

  At this time, the reduced screen 5a is displayed on the display area 151 of the thin display panel 150a on the side where the button unit 120 is disposed.

  Thereafter, the operator selects the main item and the auxiliary item displayed on the reduced screen 5a in the same manner as the operation on the remote controller 10 by operating the button unit 120 at the lower end of the side of the display panel 150a. .

  When the selection of the main item and the auxiliary item displayed on the reduced screen 5a is completed, the operator, for example, by pressing and holding a predetermined operation button of the button unit 120 or any one of the operation buttons, the reduced screen is displayed. 5a returns to the original display screen (large screen) 5.

  In the above description, the case where the remote controller operation is switched to the operation of the button unit 120 in the middle of the operation of selecting various items has been described. However, when the operation is performed by operating the button unit 120 from the beginning, the thin display panel 150a is operated. In the display area 151, the reduced screen 5a is displayed from the beginning, and when it is desired to return the reduced screen to the original large screen, the predetermined operation button of the button unit 120 or one of the operation buttons is pressed and held down. The screen returns to the big screen.

In the first embodiment having such a configuration, an image display unit (thin display panel) that displays an image by forming the display screen (large screen) 5 or the reduced screen 5a on the display area 151 based on the image display signal Ds. 150a, a button unit 120 provided in the image display unit 150a, which generates an operation signal Bs by an operator's button operation, and a remote control reception unit 130 that receives an infrared signal IRc from the remote controller 10 and outputs a remote control signal Rs. And an image control unit 140 for processing the image signal Vs based on the operation signal Bs or the remote control signal Rs and supplying the image display signal Ds to the image display unit 150a to control the image display. When Bs is received, a reduced screen 5a obtained by reducing the display screen 5 is formed in the display area 151 of the image display unit 150a. As an image is displayed in a, so to create an image display signal Ds, the operation by the operation button disposed on the thin display panel 150a of the large screen, it can be performed while overlooking the entire screen. That is, it is possible to recognize the entire display content displayed on the large screen and perform a smooth display operation in the same manner as the remote control operation by operating the buttons on the display device body side.
(Embodiment 2)
FIG. 8 is a diagram for explaining a display device according to Embodiment 2 of the present invention. FIG. 8 (a) shows the overall configuration of the display device, and FIG. 8 (b) shows an image control unit constituting the display device. The structure of is shown.

  The display device 100a according to the second embodiment replaces the image control unit 140 in the display device 100 according to the first embodiment with an image so that the character reduction rate on the reduced screen is different from the reduction rate of the reduced screen itself. The image control unit 140a that generates the display signal Ds is provided, and other configurations are the same as those of the display device 100 of the first embodiment.

  Hereinafter, the configuration of the image control unit 140a will be described.

  In addition to the operation signal processing unit 141 and the reduction rate storage unit 142 constituting the image control unit 140 of the first embodiment, the image control unit 140a includes a character size storage unit that stores a character reduction rate as the size of the character to be reduced. 144. The character size storage unit 144 includes a character size (character reduction ratio) in the image area 8 and a character size (character reduction ratio) in the main item selection area 6 and the auxiliary item selection area 7 other than the image area 8. ) And are stored. Here, the character reduction ratio is the ratio of the total number of dots when the size of one character is represented by the product of the number of dots in the vertical and horizontal directions.

  Then, the image signal processing unit 143a of the image control unit 140a according to the second embodiment has the area of the reduced screen 5a when the display screen (large screen) 5 is changed to the reduced screen 5a by the operation signal Bs of the button unit 120. The display screen 5 is reduced to 9% of the area of the display screen 5, and the characters included in the reduced screen 5 a are, for example, 32.7% of the characters on the large screen in the image area 8. The item selection area 6a and the sub-item selection area 7a are configured to be reduced to 19.8% of the character size on the large screen, for example.

  Here, the reduction of the character is performed while maintaining the similar shape. For example, the product of the number of vertical and horizontal dots of the character reduced to 32.7% of the character on the large screen is the vertical and horizontal of the character on the large screen. The number of dots is 32.7% of the product of the number of dots.

  Next, the function and effect will be described.

  FIG. 9 is a diagram for explaining the operation of the display device 100a according to the second embodiment, and shows a case where the screen reduction ratio and the character reduction ratio are changed when the display screen (large screen) is reduced.

  For example, when the display screen 5 is reduced to the reduced screen 5a, characters included in the display screen 5 are also reduced at the same reduction rate as the screen, but there are cases where characters are desired to be displayed without being reduced so much.

  In other words, when the image is reduced, the dots become rough and difficult to see, but the user is accustomed to the layout of the items on the pre-reduction screen (large screen) 5 by normal remote control operation. Although I don't care, if the characters are collapsed due to the reduction, the layout operability may be deteriorated in recognition of the contents, although it is a familiar layout.

  Therefore, in the display device 100a according to the second embodiment, the image area 8a of the reduced screen 5a is reduced to a reduction rate of about 32.7% that makes it easy to see the characters. . Reduced by 8%.

  Specifically, in a state where the operator performs an operation of selecting various items displayed on the display screen 5 by the remote controller 10, the operator can operate from the operation of the remote controller 10 by the button unit 120 of the thin display panel 150a. When the operation is switched, the operation signal Bs is supplied from the button unit 120 to the image control unit 140a. In the image control unit 140a, the operation signal Bs is processed by the operation signal processing unit 141, and the command signal Cs is processed by the image signal processing unit 143a. Is output.

  Then, the image signal processing unit 143a recognizes that the command signal Cs is an operation signal from the button unit 120, and the display screen 5 is read from the reduction rate storage unit 142 (reduction rate (here 9%)) Sc. The reduced screen 5a is formed in the display area 151 of the thin display panel 150a.

  At this time, the image signal processing unit 143a, from the character size storage unit 144, reduces the character reduction rate (about 32.7% in this case) in the image region 8a and the character reduction rate in each item selection region 6a and 7a ( About 32.78%), and the image signal Vs is processed so that the characters on the reduction screen 5a are displayed at these reduction ratios, and the image display signal Ds is output to the thin display panel 150a.

  Thereby, the reduced screen 5a is formed in the display area 151 of the thin display panel 150a so that the area thereof is reduced to 9% of the area of the display screen (large screen) 5, and the characters included in the reduced screen 5a are: This character is reduced and displayed to be 32.7%, for example, in the image area 8a, and is, for example, 19.8% in the main item selection area 6a and the auxiliary item selection area 7a.

  In the display device 100a according to the second embodiment having such a configuration, when the display screen 5 formed in the display area 151 of the image display unit (thin display panel) 150a is reduced to the reduced screen 5a, characters on the reduced screen 5a are displayed. Is larger than the size determined by the reduction ratio of the screen, so that the entire display content displayed on the large screen can be recognized, and smooth display operations can be performed in the same way as remote control operations using the buttons on the display device. In addition to the effect of the first embodiment in which the characters can be displayed, the reduced screen 5a can also be displayed in such a manner that the characters can be reduced and displayed in a size that is easy to read depending on where the characters are displayed.

  In the second embodiment, the image control unit 140a includes the character size storage unit 144 that stores the character reduction rate as the size of the character to be reduced, and the character reduction rate on the reduced screen is set to the reduction rate of the reduced screen itself. However, instead of the character size storage unit 144, the image control unit displays the reduced character size displayed on the reduced screen based on the reduced rate of the reduced screen with respect to the display screen. A character size detection unit that detects the size of the reduced character and a character recognition determination unit that determines whether or not the size of the reduced character is a size that allows the operator to recognize the reduced character. When the image size is smaller than a predetermined size, the image display unit (thin display panel) 150a has a reduced screen 5a so that characters on the display screen are displayed in a recognizable reduced size. It may be configured to create a signal.

Furthermore, when the image control unit reduces the characters on the display screen 5 with a reduction size recognizable by the operator and displays them on the reduction screen 5a, when the reduced characters protrude from the reduction screen 5a, a part of the display screen 5 is displayed. The image display signal may be generated so that only the characters are reduced to the minimum size recognizable by the operator and displayed on the reduced screen 5a, and the characters protruding from the reduced screen 5a are not displayed on the reduced screen 5a.
(Embodiment 3)
FIG. 10 is a diagram for explaining a display device according to Embodiment 3 of the present invention. FIG. 10 (a) shows the overall configuration of the display device, and FIG. 10 (b) shows an image constituting the display device. The structure of the control part is shown.

  In the display device 100b according to the third embodiment, when the display screen is reduced to a reduced screen and displayed instead of the image control unit 140 in the display device 100 according to the first embodiment, some characters of the display screen are displayed in the display area. The image control unit 140b that processes the image signal to be displayed on the outer portion of the reduced screen in FIG. 5 is provided, and other configurations are the same as those of the display device 100 of the first embodiment.

  Hereinafter, the configuration of the image control unit 140b will be described.

  This image control unit 140b is selected at the present time on the display screen 5 when the display screen (large screen) 5 is reduced to the reduced screen 5a instead of the image signal processing unit 143 constituting the image control unit 140 of the first embodiment. The image signal Vs is processed and the image display signal Ds is processed so that the characters as the displayed items are displayed in the character display area 11 other than the reduced screen 5a of the display area 151 in the size of the display screen (large screen) 5. Has an image signal processing unit 143b.

  FIG. 11 shows an example in which when the display screen 5 is reduced to the reduced screen 5a, the character “Nara” in the selected auxiliary item selection area 7a is displayed in the character display area 11 outside the reduced screen 5a. Show.

  Here, since the auxiliary item “Nara” is selected, “Nara” is displayed in the character display area 11 outside the reduced screen 5a.

  Also in the third embodiment, as described in the first embodiment, a series of processes from selecting “program” as the first main item to “Nara” as the second auxiliary item and displaying the weather in Nara. If the above operation is performed, the characters displayed in the character display area 11 are displayed in the order of “program” → “advertisement” → “weather” → “Nara”.

  In the third embodiment having such a configuration, when the display screen 5 is changed to the reduced screen 5a, the character that is the selected item is displayed in the character display area 11 outside the reduced screen 5a in the size of the large screen 5. Therefore, when an item is selected by a button operation while looking at the reduced screen 5a, it is possible to make the contents of the item easier to see.

  In the third embodiment, when the display screen (large screen) 5 is changed to the reduced screen 5a, the selected item is displayed in the character display area 11 outside the reduced screen 5a. Not only items that have been selected but also items that have been selected in the past may be displayed in the character display area 11.

  When operating with the operation buttons provided on the thin display panel, a reduced screen with a reduced display screen (large screen) is displayed in the display area in the vicinity of the operation buttons. The characters of the item selected on the screen may be displayed in a character display area outside the reduced screen so that the characters are not crushed.

Furthermore, in order to avoid the characters of the item selected on the reduced screen from becoming difficult to see due to the reduction, the character reduction rate on the reduced screen is different from the reduction rate of the reduced screen and the characters are not crushed. The method of displaying the characters of the selected item in the same place on the display screen (large screen) and the reduced screen as the reduction ratio, and the characters of the selected item are crushed outside the reduced screen It may be possible to appropriately select a method for displaying the image in a size that is not.
(Embodiment 4)
12A and 12B are diagrams for explaining a display device according to Embodiment 4 of the present invention. FIG. 12A shows the overall configuration of the display device, and FIG. 12B shows an image constituting the display device. The structure of the control part is shown.

  The image control unit 140c of the display device 100c according to the fourth embodiment reduces the display screen (large screen) 5 to the reduced screen 5a instead of the image signal processing unit 143b of the image control unit 140b in the display device 100b of the third embodiment. In this case, not only the item currently selected on the display screen 5 but also the items selected in the past are displayed in the size of the display screen (large screen) 5 in the character display area 11 other than the reduced screen 5a of the display area 151. An image signal processing unit 143c that processes the image signal Vs so as to be displayed and outputs the image display signal Ds is provided.

  The display device 100c according to the fourth embodiment includes a button portion 120c connected to the display panel 150a by a short cable 124 instead of the button portion 120 in the display device 100b according to the third embodiment.

  Other configurations of the display device 100c according to the fourth embodiment are the same as those of the display device 100b according to the third embodiment.

  In the display device 100c according to the fourth embodiment having such a configuration, the operation by the button unit 120c is performed in the same manner as the operation by the button unit 120 of the first embodiment.

  In the fourth embodiment having such a configuration, as shown in FIG. 13, when the display screen (large screen) 5 is reduced to the reduced screen 5a, the item as the item of the auxiliary item selection area 7a currently selected is displayed. The character “Nara” and the character “weather” as the item of the main item selection area 6a selected in the past are displayed in the character display area 11 outside the reduced screen 5a in the size of the display screen (large screen) 5. Is done.

For this reason, when an item is selected by a button operation while looking at the reduced screen 5a, it is possible to make the contents of the item easier to see.
(Embodiment 5)
14A and 14B are diagrams for explaining a display device according to Embodiment 5 of the present invention. FIG. 14A shows the overall configuration of the display device, and FIG. 14B shows an image constituting the display device. The structure of the control part is shown.

  In the display device 100d according to the fifth embodiment, when the display screen is reduced to a reduced screen and displayed instead of the image control unit 140b in the display device 100b according to the third embodiment, some characters on the display screen are displayed in the display area. An image for generating the image display signal Ds so that the reduction ratio of the characters displayed in the character display area 11 outside the reduced screen and displayed in the character display area 11 is adjusted based on the balance with the size of the reduced screen 5a. The control unit 140d is provided, and other configurations are the same as those of the display device 100b of the third embodiment.

  That is, the image control unit 140d according to the fifth embodiment displays the characters to be displayed in the character display area 11 based on the reduction rate of the reduced screen stored in the reduction rate storage unit 142 in the image control unit 140b according to the third embodiment. A character reduction rate adjustment unit 145 for adjusting the reduction rate of the image, and the image signal processing unit 143d displays the character based on the reduction rate signal Sa indicating the reduction rate adjusted by the character reduction rate adjustment unit 145. The image signal is processed so that the characters displayed in the area 11 are reduced, and the image display signal Ds is output. Here, the reduction ratio of characters displayed in the character display area 11 is 44.4%. FIG. 15 shows a state in which characters as auxiliary items are displayed in the character display area 11 at a reduction rate corresponding to the size of the reduction screen 5a.

In the display device 100d according to the fifth embodiment having such a configuration, the characters displayed in the character display area 11 are reduced according to the size of the reduction screen 5a. Therefore, the characters displayed in the character display area 11 are reduced. Considering the balance with the size of the screen 5a, it can be displayed in a size that is not too large and can be recognized.
(Embodiment 6)
FIG. 16 is a diagram for explaining a display device according to Embodiment 6 of the present invention. FIG. 16 (a) shows the overall configuration of the display device, and FIG. 16 (b) shows an image constituting the display device. The structure of the control part is shown.

  The display device 100e according to the sixth embodiment includes a touch panel unit 152 instead of the button unit 120 in the display device 100 according to the first embodiment, and further includes a touch panel unit instead of the image control unit 140 in the display device 100 according to the first embodiment. The image control unit 140e controls the image display on the image display unit 150e by the image display signal Ds obtained by processing the image signal Vs based on the touch operation signal Tps from 152 or the remote control signal Rs.

  Here, the touch panel unit 152 is based on the touch panel 152a provided on the display area 151 of the image display unit (thin display panel) 150e on the area where the reduced screen 5a is displayed and the touch signal Td from the touch panel 152a. And a touch panel control unit 152b for outputting an operation signal Tps for the reduced screen 5a. Here, the touch panel control unit 152b is configured to drive and control the touch panel 152a by a drive control signal Tc. Note that the touch panel 152a may be provided over the entire display area.

  Further, the image control unit 140e receives the touch operation signal Tps from the touch panel unit 152 and the remote control signal Rs from the remote control receiving unit 130, and outputs an instruction signal Cs corresponding to the operation of the operator. The reduction rate storage unit 142 that stores the reduction rate of the reduction screen relative to the display screen (large screen), and the image signal Vs is processed based on the command signal Cs and the reduction rate signal Sc from the reduction rate storage unit 142. And an image signal processing unit 143e that outputs a display signal Ds.

  FIG. 17 shows a state in which the reduced screen 5a is displayed on the display area 151 of the image display unit (thin display panel) 150e when the touch panel is operated.

  When the reduced screen 5a is displayed in the display area 151 of the image display unit 150e as described above, these items can be selected by touching a plurality of main items or a plurality of auxiliary items on the reduced screen 5a. Can be confirmed.

  The display device 100e according to the sixth embodiment configured as described above includes the touch panel unit 152 instead of the button unit 120 in the display device 100 according to the first embodiment. Therefore, a touch operation on the touch panel unit 152 is displayed on the display screen ( This can be done while recognizing the entire display content of the large screen 5. That is, as in the first embodiment, the entire display content displayed on the display screen (large screen) 5 is recognized, and a smooth display operation is performed similarly to the remote control operation by a touch operation on the touch panel portion of the display device body. be able to.

  In the sixth embodiment, the size of the touch panel 152a is smaller than that of the display screen (large screen) 5 and is about the size of the reduced screen 5a. Therefore, the cost can be reduced.

  In addition, since the operation unit includes a touch panel arranged on the display area of the image display unit and uses a touch panel unit configured to output an operation signal by a touch operation on the touch panel, the display area of the image display unit is used. When operating the touch panel on the reduced screen, the touch operation area becomes a small area on the reduced screen, so that the touch panel operation on the mobile device can be operated in the same way, improving user convenience. To do.

  Note that the remote control receiver shown in the above embodiment is not a function that can only transmit and receive, but is an expression in the sense that it can be received, and the configuration, arrangement, reduction ratio in the figure in the example, Regarding the size and the like, these are for convenience of explanation, and the present invention is not limited to these.

In the first to sixth embodiments, the case where there is one thin display panel constituting the display area 151 of the display device has been described. However, the display device includes a plurality of thin display panels, and the plurality of thin display panels. One large screen may be displayed in one display area 151 formed by the display panel.
(Embodiment 7)
18 and 19 are diagrams for explaining the display device according to Embodiment 7 of the present invention having such a configuration. FIG. 18 shows one display screen (one display screen formed by a plurality of thin display panels). 19 shows a state where a large screen is formed, and FIG. 19 shows a state where the display screen (large screen) shown in FIG. 18 is reduced to form a reduced screen in the lower right corner of one thin display panel.

  The display device 100f has four thin display panels 150a1 to 150a4, and the thin display panels 150a1 to 150a4 have display areas 151a1 to 151a4, respectively.

  In the display device 100f, one display screen (large screen) 5 is formed across the display regions 151a1 to 151a4. The main screen selection region 6 and the auxiliary item selection region 7 are formed on the display screen (large screen) 5. , And an image area 8 are included.

  In the display device 100f, the remote control receiving unit 130 is provided on the lower right thin display panel 150a4, and the button operation unit 120 is provided on the lower side of the lower right thin display panel 150a4. .

  In these drawings, 112a to 112d are vertical frames that hold the four thin display panels 150a1 to 150a, and 111a and 111b are a lower frame and an upper frame that connect the vertical frames 112a to 112d.

  In the display device 100f of the seventh embodiment, the large screen (display screen) 5 extends over the display areas 151a1 to 151a4 of the four thin display panels 150a1 to 150a4 arranged adjacent to each other as shown in FIG. As shown in FIG. 19, the reduced screen 5a is formed at the lower right corner of the lower right thin display panel 150a4, and has the same configuration as the display device 100 of the first embodiment.

  In the display device 100f of the seventh embodiment having such a configuration, the entire display content displayed on the display screen (large screen) 5 is recognized by the reduced screen 5a, and remote control operation can be performed by operating the buttons on the display device body. Similarly, the effect that a smooth display operation can be performed is extremely effective.

  Furthermore, the control method for controlling the display device of each embodiment of the present invention can be performed by causing a computer to execute a control program.

  This control program has a display area, and is provided in the image display section that forms a display screen on the display area based on an image display signal and displays an image in the display screen, A program for causing a computer to control a display device having an operation unit that generates an operation signal by an operation of an operator and a reception unit that receives a remote control signal from a remote controller, A process for controlling image display on the image display unit is executed based on the operation signal or the remote control signal. In the process for controlling the image display, when the operation signal is received from the operation unit, A reduced screen obtained by reducing the display screen is formed in the display area, and the image display signal is generated so that the image is displayed in the reduced screen.

  Such a control program is stored in a computer-readable recording medium.

  As described above, the display device according to the embodiment of the present invention described above is a remote controller even when a short distance operation must be performed while viewing a large screen using an operation button or a touch panel arranged on the device. It will be as smooth as the operation.

  In the future, as the size of the screen increases, it is possible to provide a user-friendly display device even with operability with only buttons. In addition, even for a touch screen operation on a large screen, it is possible to provide a display device having a user-friendly operation feeling that is similar to a user operating a mobile device by reducing the operation area of the touch panel. it can.

  As mentioned above, although this invention has been illustrated using preferable embodiment of this invention, this invention should not be limited and limited to this embodiment. It is understood that the scope of the present invention should be construed only by the claims. It is understood that those skilled in the art can implement an equivalent range based on the description of the present invention and the common general technical knowledge from the description of specific preferred embodiments of the present invention. Patents, patent applications, and documents cited herein should be incorporated by reference in their entirety, as if the contents themselves were specifically described herein. Understood.

  In the fields of display devices, display device control methods, control programs, and program recording media, the present invention looks at the entire display content displayed on a large screen and operates the buttons of the display device main body in the same manner as remote control operation. Display device capable of performing smooth display operation, control method for such display device, control program for performing such display device control method by computer, and computer readable recording such control program A simple recording medium can be realized.

5 Display screen (large screen)
5a Reduced screen 6, 6a Main item selection area 7, 7a Auxiliary item selection area 8, 8a Image area 10 Remote controller 11 Character display area 20 Tuner 30 Recording / playback apparatus 100, 100a to 100f Display apparatus 111a Lower frame 111b Upper frame 112a to 112d Vertical frame 120 Button part (operation part)
121-123 Operation buttons 130 Remote control receiving unit 140, 140a-140e Image control unit 141, 141e Operation signal processing unit 142 Reduction rate storage unit 143, 143a, 143b, 143c, 143d Image signal processing unit 145 Character reduction rate adjustment unit 150a, 150a1 to 150a4, 150e Thin display panel 151, 151a1 to 151a4 Display area 152 Touch panel unit 152a Touch panel 152b Touch panel control unit Bs Operation signal Bcs Broadcast signal Cs Command signal Ds Image display signal IRc Infrared signal Rs Remote control signal Sc Reduction rate signal Tps Touch panel signal Vs Image signal Zs Character size signal

Claims (11)

An image display unit that has a display area, forms a display screen on the display area based on an image display signal, and displays an image in the display screen; and is provided in the image display unit, and is operated by an operator's operation An operation unit that generates an operation signal, a reception unit that receives a remote control signal from a remote controller, and an image control unit that controls image display on the image display unit based on the operation signal or the remote control signal A display device,
The image control unit
When the operation signal is received from the operation unit, the image display signal is set so that a reduced screen is formed by reducing the display screen in the display area of the image display unit, and the image is displayed in the reduced screen. A display device to be created. The display device according to claim 1,
The display device, wherein the operation unit includes an operation button provided on a part of the periphery of the image display unit, and is configured to output the operation signal by operating the operation button. The display device according to claim 1,
The display device, wherein the operation unit includes a touch panel arranged on a display area of the image display unit, and is configured to output the operation signal by a touch operation on the touch panel. The display device according to any one of claims 1 to 3,
The image control unit
A character size detection unit that detects a size of a reduced character displayed on the reduced screen based on a reduction ratio of the reduced screen with respect to the display screen;
A character recognition determination unit that determines whether the size of the reduced character is a size that allows the operator to recognize the reduced character;
When the reduced character size is smaller than a recognizable size, the image display signal is generated so that characters on the display screen are displayed in a recognizable reduced size on the reduced screen of the image display unit. machine. The display device according to claim 4,
When the image control unit reduces the characters on the display screen to a reduction size that can be recognized by the operator and displays the characters on the reduction screen, when the reduced characters protrude from the reduction screen, a part of the display screen is displayed. A display device that generates the image display signal so that only the characters of the image are reduced to the minimum size recognizable by the operator and displayed on the reduced screen, and characters that protrude from the reduced screen are not displayed on the reduced screen. The display device according to any one of claims 1 to 5,
When the image control unit displays the image on the display screen in a reduced size on the reduced screen, a part of the characters on the display screen are displayed on a portion outside the reduced screen in the display area. A display device that creates image display signals. The display device according to claim 6,
The display device, wherein the image control unit creates the image display signal so that characters displayed on a portion outside the reduced screen in the display area are reduced within a size range that allows character recognition. The display device according to any one of claims 1 to 7,
The image display unit is a display device in which a plurality of thin display panels are arranged in a matrix so that display areas of the plurality of thin display panels constitute display areas of the image display unit. An image display unit that has a display area, forms a display screen on the display area based on an image display signal, and displays an image in the display screen; and is provided in the image display unit, and is operated by an operator's operation A method for controlling a display device having an operation unit that generates an operation signal and a reception unit that receives a remote control signal from a remote controller so that an image is displayed on the image display unit,
Controlling the image display on the image display unit based on the operation signal or the remote control signal,
In the step of controlling the image display,
When the operation signal is received from the operation unit, the image display signal is set so that a reduced screen is formed by reducing the display screen in the display area of the image display unit, and the image is displayed in the reduced screen. Display device control method to be created.   A control program for causing a computer to execute the display device control method according to claim 9.   The computer-readable program recording medium which recorded the control program of Claim 10.