WO2014010059A1 - 画像表示装置、画像表示システム及び画像表示方法 - Google Patents
画像表示装置、画像表示システム及び画像表示方法 Download PDFInfo
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- WO2014010059A1 WO2014010059A1 PCT/JP2012/067820 JP2012067820W WO2014010059A1 WO 2014010059 A1 WO2014010059 A1 WO 2014010059A1 JP 2012067820 W JP2012067820 W JP 2012067820W WO 2014010059 A1 WO2014010059 A1 WO 2014010059A1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/007—Digital input from or digital output to memories of the shift register type
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/02—Composition of display devices
- G09G2300/026—Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/10—Special adaptations of display systems for operation with variable images
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/12—Frame memory handling
- G09G2360/122—Tiling
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/18—Use of optical transmission of display information
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/22—Detection of presence or absence of input display information or of connection or disconnection of a corresponding information source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
Definitions
- the present invention relates to an image display device, an image display system, and an image display method.
- Patent Document 1 Recently, there has been an increasing use of displaying one image on a large screen by multi-tiling combining several image display devices such as a liquid crystal display device (Patent Document 1). In such applications, there are many cases where not only still images but also moving images are displayed. When moving image display is performed in such multi-tiling, there is a problem that a deviation occurs between the upper image display device and the lower image display device at the boundary surface between the image display devices connected side by side.
- FIG. 6A is a front view schematically showing the display unit 115 of the image display apparatus 101.
- FIG. 6B is a front view schematically showing a multi-tiling image display system 118 including four image display devices 101a, 101b, 101c and 101d.
- the display unit 115 of the image display apparatus 101 has 1080 image lines from one line at the upper end to 1080 lines at the lower end.
- an image line may be described as a line.
- Each line is displayed in the display direction 120. That is, in the image display apparatus 101 shown in FIG. 6A, the image data is sequentially displayed from top to bottom at a constant cycle. In this case, the uppermost line of the image display apparatus 101 displays data first, and the lowermost line displays data 1080th. The image data for each line is held for one frame until the next image data is displayed.
- the image display device 101 shown in FIG. 6A (however, in FIG. 6B, the image display devices 101a to 101d are displayed) 4 The stands are lined up and down.
- the display direction 120a of the display unit 115a, the display direction 120b of the display unit 115b, the display direction 120c of the display unit 115c, and the display direction 120d of the display unit 115d are all the same. .
- FIG. 7A is a front view schematically showing an example of image data displayed on the display unit 115 of the image display apparatus 101.
- FIG. 7B is a front view schematically showing a moving image display state in the image display system 118 when the vertical line 130 shown in FIG. 7A is moved in the direction indicated by the arrow. .
- the upper image display device 101 (for example, The lowermost line of the image display apparatus 101a) displays data at the 1080th position and holds one frame.
- the first line in contact with the upper image display device 101 (in this example, the image display device 101a) of the lower image display device (for example, the image display device 101b) displays data first.
- the vertical lines 130a, 130b, 130c, and 130d displayed on the respective display units 115a, 115b, 115c, and 115d have a maximum of one frame with respect to the direction 130a to 130d in which the 1080th line is more advanced than the first line. Displayed with a minute delay. Therefore, the image display device 101 (the image display device 101a in this example) and the image display device 101 (the image display device 101b in this example) arranged vertically are displaced from each other on the boundary surface. That is, the first image display device 101a and the second image display device 101b, the second image display device 101b and the third image display device 101c, and the third image display device 101c and the fourth image display device. In 101d, the image is displaced at the boundary surface.
- the present invention has been made in consideration of the above-described circumstances, and is an image display device, an image display system, and an image display capable of minimizing a shift of a moving image generated at a boundary surface between at least two image display devices arranged in parallel. It aims to provide a method.
- an image display device includes a display unit that displays image data in a horizontal direction and a vertical direction, and a predetermined position information signal output from another image display device.
- a detection unit for detecting presence / absence, a signal output control unit for instructing whether or not to output a position information signal from the self-image display device according to a detection result by the detection unit, and the signal output control unit for outputting a position information signal
- a signal output unit that outputs a position information signal when instructed to do so, a display direction switching control unit that instructs the display unit to switch the direction of vertical display according to a detection result by the detection unit,
- the image data input unit for inputting the image data, and the transmission order for each image line are switched according to the detection result by the detection unit, and the image data input by the image data input unit is displayed. Characterized in that and an image data transmission switching unit to be transmitted to.
- An image display system includes a display unit that displays image data in the horizontal direction and the vertical direction, and detection that detects whether or not a predetermined position information signal output from another image display device is input.
- a signal output control unit for instructing whether or not to output a position information signal from the self-image display device according to a detection result by the detection unit, and for instructing the signal output control unit to output a position information signal.
- a signal output unit that outputs a position information signal when there is a display direction
- a display direction switching control unit that instructs the display unit to switch the direction of vertical display according to a detection result by the detection unit, and the image data input
- the image data input unit and the transmission order of each image line are switched according to the detection result by the detection unit, and the image data input by the image data input unit is transmitted to the display unit.
- An image data transmission switching unit, an image display device comprising, A plurality of the image display devices are arranged in the vertical display direction.
- the image display method includes a display unit that displays image data in the horizontal direction and the vertical direction, and detection that detects whether or not a predetermined position information signal output from another image display device is input. And a signal output unit that outputs a position information signal when the signal output control unit instructs to output a position information signal, and an image data input unit that inputs the image data.
- a process for instructing whether or not to output a position information signal from the self-image display device according to the detection result of the image, and a process for instructing the display unit to switch the orientation of the vertical display according to the detection result by the detection unit And switching the transmission order of the image lines according to the detection result by the detection unit, and transmitting the image data input by the image data input unit to the display unit. And butterflies.
- the vertical display direction of the odd-numbered image display device counted from below is the even-numbered image display device counted from top to bottom and from the bottom.
- the vertical display directions can be set to different directions such as from bottom to top. In this case, the display order of the display lines on the boundary surface between the odd-numbered image display device and the even-numbered image display device can be matched. Therefore, it is possible to reduce the shift of the moving image generated at the boundary surface between at least two image display devices arranged in parallel.
- FIG. 7 is an explanatory diagram for explaining an operation example of the image display device 1 illustrated in FIG. 1.
- FIG. 6 is a front view for explaining an operation example of the image display device 1 shown in FIG. 1.
- FIG. 6 is a front view for explaining an operation example of the image display device 1 shown in FIG. 1. It is explanatory drawing for demonstrating the subject which this invention tried to solve. It is explanatory drawing for demonstrating the subject which this invention tried to solve.
- FIG. 1 is a block diagram showing a configuration of an embodiment of an image display device according to the present invention.
- the image display device 1 of the present embodiment is configured as a liquid crystal display device.
- the image display device 1 includes a detection unit 11, an infrared control unit 12, an infrared transmission unit 13, a display method switching control unit 14, a liquid crystal display unit 15, an image data transmission switching unit 16, and an image data input unit 17.
- the image display device 1 of the present invention is not limited to being configured as a liquid crystal display device, and can also be configured as a display device using other display media.
- the detection unit 11 detects whether or not a predetermined position information signal transmitted from the infrared transmission unit 13 of the other image display device 1 is input.
- the predetermined position information signal is, for example, an optical wireless signal such as an infrared modulation signal representing predetermined data.
- the detection unit 11 includes a photoelectric conversion element that converts an incident infrared signal into an electrical signal, a signal processing circuit that performs a process of determining whether a predetermined position information signal is input based on the output signal, and the like.
- the detection unit 11 includes a signal indicating the presence or absence of input of a predetermined position information signal transmitted from the infrared transmission unit 13 of another image display device 1 as a detection result, the infrared control unit 12, the display direction switching control unit 14, and the image.
- the data is output to the data transmission switching unit 16.
- the predetermined position information signal is not limited to an infrared signal, and may be a visible light signal. Further, it may be a radio signal for near field communication. Moreover, not only a radio signal but a wired signal may be used. A configuration in the case of a wired signal will be described later.
- the infrared control unit 12 is a signal processing circuit that instructs whether or not to output a position information signal from the self-image display device 1 (that is, the infrared transmission unit 13) according to a detection result of a predetermined position information signal by the detection unit 11. .
- the infrared control unit 12 stops the position information signal, for example, to the infrared transmission unit 13 when a signal indicating a detection result indicating that the predetermined position information signal is detected is transmitted from the detection unit 11.
- the control signal to instruct is output.
- the infrared control unit 12 outputs a position information signal to the infrared transmission unit 13 when a signal indicating a detection result indicating that the predetermined position information signal is not detected is transmitted from the detection unit 11.
- the control signal to instruct is output.
- the infrared transmission unit 13 outputs a predetermined position information signal when the infrared control unit 12 instructs to output the position information signal.
- the predetermined position information signal is an infrared signal that is the same as or equivalent to the position information signal detected by the detection unit 11 and is, for example, an optical wireless signal such as an infrared modulation signal representing predetermined data.
- the position control signal output from the infrared transmission unit 13 is a signal that the detection unit 11 of the other image display device 1 detects the presence or absence of input.
- the display method switching control unit 14 is a signal processing circuit that instructs the liquid crystal display unit 15 to switch the orientation of the vertical display according to the detection result by the detection unit 11.
- the display method switching control unit 14 sets, for example, an image display direction to the liquid crystal display unit 15. Outputs a signal instructing to go from bottom to top.
- a signal indicating a detection result indicating that the predetermined position information signal is not detected is sent from the detection unit 11 to the display method switching control unit 14, for example, an image display direction is displayed to the liquid crystal display unit 15. Outputs a signal instructing to move from top to bottom.
- the liquid crystal display unit 15 includes a liquid crystal panel, a drive control circuit thereof, and the like. Based on the image data received from the image data transmission switching unit 16, an image based on the image data is displayed while being displayed horizontally and vertically. indicate. Further, the liquid crystal display unit 15 switches the image display direction from bottom to top or from top to bottom based on a signal instructing switching of the vertical display direction input from the display method switching control unit 14 to display an image. Do.
- the image data transmission switching unit 16 switches the transmission order for each line of the image data input to the image data input unit 17 in accordance with the detection result of the predetermined position information signal by the detection unit 11, and transfers to the liquid crystal display unit 15.
- a signal processing circuit for transmission When the signal indicating the detection result that the predetermined position information signal is detected is sent from the detection unit 11, for example, the image data transmission switching unit 16 moves the image data for each line from the bottom in the vertical direction. Are transmitted to the liquid crystal display unit 15 in the order of. Further, when a signal indicating a detection result indicating that the predetermined position information signal is not detected is sent from the detection unit 11, the image data transmission switching unit 16, for example, converts the image data for each line in the vertical direction. Are transmitted to the liquid crystal display unit 15 in the order from the bottom to the bottom.
- the image data input unit 17 inputs image data to be displayed on the liquid crystal display unit 15 and outputs it to the image data transmission switching unit 16.
- the image data input unit 17 can input image data from a predetermined storage device (not shown) provided in the image display device 1 or a removable storage medium.
- the image data input unit 17 uses a transmission cable for image data connected to a predetermined input terminal or a predetermined communication unit (not shown) provided in the image display device 1 to perform predetermined communication.
- Image data can be input via the network. Further, when image data is input via a transmission cable or a predetermined communication network, the image data can be supplied from an external image data reproducing device or another image display device 1.
- the image display device 1 has a display surface of the liquid crystal display unit 15 on the front, and a part (or all) of the detection unit 11 and the infrared transmission unit 13 is a housing of the image display device 1. It is provided outside.
- the detection unit 11 and the infrared transmission unit 13 are provided with at least a light receiving surface or an emission surface outside the casing. In this case, the light receiving surface or the emitting surface may be provided so as to have a convex portion outside the housing.
- the light receiving surface or the emitting surface is provided in, for example, a concave portion provided outside the housing, or does not have a convex portion that protrudes from the outer peripheral surface of the housing by making the surface position the same. Also good.
- the detection unit 11 detects the presence / absence of an input of a position information signal (indicated by a dashed arrow) that is incident from one of the vertical directions of the liquid crystal display unit 15. Further, the infrared transmitter 13 outputs a position information signal (indicated by a broken arrow) from the other vertical direction of the liquid crystal display unit 15. Further, when the detection unit 11 and the infrared transmission unit 13 are installed side by side in the vertical display direction with another image display device 1 as illustrated in FIG.
- the infrared signals output from the detection unit 11 are opposed to each other. Is received by the infrared transmitter 13. As shown in FIG. 2, in the present embodiment, the left and right sides of the liquid crystal display unit 15 are the horizontal display direction, and the upper and lower sides are the vertical display direction.
- FIG. 3 the flow of signal processing in the image display apparatus 1 shown in FIG. 1 will be described. 3, the same reference numerals are used for the same or corresponding components as those used in FIG.
- processing performed by the detection unit 11, the infrared control unit 12, the display method switching control unit 14, or the image data transmission switching unit 16 is indicated by a reference symbol using an alphabetic character “S” at the beginning.
- the image display device 1 is used in a state where a plurality of image display devices 1 are arranged in the vertical display direction as shown in FIG. 5, or each image display device 1 is used as shown in FIG. It can be used in a state of operating independently.
- the reception state of the infrared signal, which is a position information signal, by the detection unit 11 is either with infrared reception (S11) or without infrared reception (S21). If the reception state of the infrared signal is reception (S11), the detection unit 17 determines that the self-image display device 1 is installed in even stages counting from the bottom in the arrangement as shown in FIG. 5 (S12). . In this case, the detection unit 11 outputs a signal indicating a detection result that the position information signal is detected, toward the infrared control unit 12, the display method switching control unit 14, and the image data transmission switching unit 16.
- the infrared control unit 12 stops the output of the infrared signal (S13). Further, when a signal indicating a detection result indicating that the position information signal is detected is input from the detection unit 11, the display method switching control unit 14 sends a predetermined signal to the liquid crystal display unit 15 for switching the image display direction from bottom to top. In response to this, the data is output (S14). In addition, when a signal indicating the detection result indicating that the position information signal is detected is input from the detection unit 11, the image data transmission switching unit 16 switches the transmission order of the image data from the bottom to the top, and the subsequent liquid crystal display unit 15 is switched. Image data output is repeated in this order (S15).
- the detection unit 11 determines that the reception state of the infrared signal is not received (S21), it is determined that the self-image display device 1 is installed in an odd-numbered stage from the bottom in the arrangement as illustrated in FIG. (S22). In this case, the detection unit 11 outputs a signal indicating a detection result indicating that no position information signal is detected, toward the infrared control unit 12, the display method switching control unit 14, and the image data transmission switching unit 16.
- the image data transmission switching unit 16 switches the transmission order of the image data from the top to the bottom, and the subsequent image data for the liquid crystal display unit 15. Are repeatedly performed in this order (S23).
- the display method switching control unit 14 sends a predetermined signal to the liquid crystal display unit 15 to switch the image display direction from top to bottom. In response to this, the data is output (S24).
- the infrared control unit 12 starts (or continues if it has already started) output of the infrared signal (S25). ).
- FIG. 4 shows a case where the image display devices 1 are installed at intervals exceeding the distance that the position information signal can reach.
- FIG. 5 shows a case where a plurality of image display devices 1 are arranged in the vertical display direction of the liquid crystal display unit 15. In the installation example of FIG. 5, the image display devices 1 are installed at intervals within a distance that the position information signal can reach. 4 and 5, the same configuration is shown by adding alphabetic characters “a”, “b”, “c”, or “d” to the end of the reference numerals used in FIG.
- the image display device 1 a with the letter “a” at the end is the image display device 1 arranged at the top of the four units.
- the image display devices 1b, 1c, and 1d are the image display devices 1 that are arranged second, third, and fourth from the top, respectively.
- those that output infrared signals are shaded by hatching.
- the detection units 11a, 11b, 11c and 11d Does not detect position information signals. That is, in FIG. 3, the detection units 11a, 11b, 11c, and 11d perform a process of determining that there is no infrared reception (S21) and an odd-numbered stage installation determination (S22). Accordingly, each infrared control unit 12 outputs an infrared signal (S25), and the infrared transmission units 13a, 13b, 13c, and 13d output infrared signals (become shaded).
- the image data transmission switching unit 12 moves the image data from top to bottom (S23), and the display direction switching control unit 14 moves the image display direction upward. From the bottom to the bottom (S24).
- the image display devices 1a, 1b, 1c, and the like as shown in FIG. The same display state is obtained in 1d.
- the image display devices 1a, 1b, 1c, and 1d are installed apart from each other by a certain distance.
- the bottom infrared transmission unit 13d and 2 The infrared transmission unit 13b on the stage outputs an infrared signal (becomes a shaded state), and the uppermost infrared transmission unit 13a and the third-stage infrared transmission unit 13c do not output an infrared signal (there is no shaded state) ).
- the infrared transmission unit 13d at the bottom is not receiving infrared rays (S21), and the detection unit 11d determines that the image display device 1d is installed at an odd-numbered stage from the bottom (S22).
- the infrared transmitter 13d outputs an infrared signal (S25).
- the image data transmission switching unit 16 controls the image data from top to bottom (S23), and the display direction switching control unit 14 controls the image display direction from top to bottom (S24). Is done.
- the detection unit 11c detects the infrared signal output from the infrared transmission unit 13d (S11). In this case, it is determined by the detection unit 11c that the image display device 1c is installed in even-numbered stages counting from the bottom (S12).
- the infrared transmitter 13c stops the infrared signal (S13).
- the display direction switching control unit 14 controls the image display direction from bottom to top (S14), and the image data transmission switching unit 16 controls the image data from bottom to top (S15). Is done.
- the third infrared transmission unit 13b from the bottom does not receive infrared rays (S21), and the detection unit 11b determines that the image display device 1b is installed at an odd number from the bottom (S22). .
- the infrared transmitter 13b outputs an infrared signal (S25).
- the image data transmission switching unit 16 controls the image data from top to bottom (S23), and the display direction switching control unit 14 controls the image display direction from top to bottom (S24). Is done.
- the detection unit 11a detects the infrared signal output from the infrared transmission unit 13b (S11). In this case, it is determined by the detection unit 11a that the image display device 1a is installed in even-numbered stages counting from the bottom (S12).
- the infrared transmitter 13a stops the infrared signal (S13).
- the display direction switching control unit 14 controls the image display direction from bottom to top (S14), and the image data transmission switching unit 16 controls the image data from bottom to top (S15). Is done.
- the boundary surface between the image display device 1a and the image display device 1b and the boundary surface between the image display device 1c and the image display device 1d are the image display device 1a, the image display device 1b, and the image display device 1c. And in the image display device 1d, it becomes the first display line.
- the boundary surface between the image display device 1b and the image display device 1c is the 1080th display line.
- the upper display line of the even-numbered row from the bottom and the display line of the odd-numbered row from the bottom arranged adjacent thereto are displayed at the end of one frame, so that the display timing can be synchronized in the same manner.
- the vertical line 130 shown in FIG. 7A is moved in the moving direction of the arrow, the vertical lines displayed on the display units 15a, 15b, 15c, and 15d of the image display devices 1a, 1b, 1c, and 1d are displayed.
- the lines 31a, 31b, 31c, and 31d are images that move in substantially the same position in the horizontal direction on each boundary surface. That is, it is possible to eliminate the shift at the boundary surfaces of the image display devices 1a, 1b, 1c, and 1d.
- the display direction of the image data in the first row from the bottom is up ⁇ down
- the second row from the bottom is down ⁇ top
- the third row from the bottom is up ⁇ down
- the fourth row from the bottom is down ⁇ It will be above.
- the image data is displayed at the same timing on the boundary surface of each image display device 1, so that no deviation occurs even when a moving image is displayed.
- the function of changing the display direction of the image data and the infrared transmission unit and the detection unit for detecting the position of the even or odd stages are provided in a plurality of stages. Even when a moving image is displayed in the installed multi-tiling application, the image can be displayed without causing a moving image shift on the boundary surface of the image display device 1.
- the position of the image display device 1 is detected by providing the infrared transmission unit 13 and the detection unit 11, but instead of the infrared signal transmission unit 13 and the detection unit 11 for wireless signals.
- the position information output terminal and the input terminal are respectively associated with either one direction or the other direction of the vertical display direction of the liquid crystal display unit 15. That is, in this case, the detection unit 11 determines whether or not there is a predetermined wired signal input from a predetermined input terminal associated with one direction of the vertical display direction of the liquid crystal display unit 15 by inputting the position information signal. This is detected as the presence or absence of.
- the signal output unit of the wired signal corresponding to the infrared transmission unit 13 outputs the predetermined wired signal from the predetermined signal information output terminal associated with the other direction of the vertical display direction of the liquid crystal display unit 15. Thus, the position information signal is output.
- the effect is the same even when the image display devices 1 according to the above-described embodiment are arranged in a row and arranged continuously in a plurality of stages. That is, the effect of reducing the shift at each boundary surface between the plurality of image display devices 1 arranged vertically is not changed.
- the “computer system” includes an OS and hardware such as peripheral devices.
- the “computer system” includes a homepage providing environment (or display environment) if a WWW system is used.
- the “computer-readable recording medium” refers to a storage device such as a flexible medium, a magneto-optical disk, a portable medium such as a ROM or a CD-ROM, and a hard disk incorporated in a computer system.
- the “computer-readable recording medium” includes a medium that holds a program for a certain period of time, such as a volatile memory inside a computer system serving as a server or a client.
- the program may be a program for realizing a part of the functions described above, and may be a program capable of realizing the functions described above in combination with a program already recorded in a computer system. Further, the above program may be stored in a predetermined server, and the program may be distributed (downloaded or the like) via a communication line in response to a request from another device.
- a display unit that displays image data in the horizontal and vertical directions, a detection unit that detects whether or not a predetermined position information signal is output from another image display device, and a self-image display according to a detection result of the detection unit
- a signal output control unit for instructing whether or not to output a position information signal from the device; a signal output unit for outputting a position information signal when the signal output control unit instructs to output a position information signal;
- the display direction switching control unit that instructs the display unit to switch the direction of vertical display, the image data input unit that inputs the image data, and the detection result by the detection unit
- an image data transmission switching unit that switches the transmission order for each image line and transmits the image data input by the image data input unit to the display unit.
- the position information signal is an optical wireless signal
- the detection unit detects presence / absence of a predetermined optical wireless signal incident from one direction in the vertical direction of the display unit as presence / absence of input of the position information signal.
- the supplementary note 1 is characterized in that the signal output unit outputs the position information signal by emitting a predetermined optical wireless signal from the other direction in the vertical direction of the display unit.
- Image display device
- the position information signal is a wired signal, and the detection unit determines whether there is a predetermined wired signal input from a predetermined input terminal associated with one direction in the vertical direction of the display unit.
- the position information signal is detected by detecting whether or not there is an input, and the signal output unit outputs a predetermined wired signal from a predetermined output terminal associated with the other direction in the vertical direction of the display unit.
- a display unit that displays image data in the horizontal and vertical directions, a detection unit that detects whether or not a predetermined position information signal is output from another image display device, and a self-image display according to a detection result of the detection unit
- a signal output control unit for instructing whether or not to output a position information signal from the device; a signal output unit for outputting a position information signal when the signal output control unit instructs to output a position information signal;
- the display direction switching control unit that instructs the display unit to switch the direction of vertical display, the image data input unit that inputs the image data, and the detection result by the detection unit
- An image display comprising: an image data transmission switching unit that switches the transmission order for each image line in response and transmits the image data input by the image data input unit to the display unit
- An image display system for a location, multiple equipped, and characterized by being composed by a plurality of image display apparatus arranging a plurality in the vertical display orientation.
- a display unit that displays image data in the horizontal and vertical directions, a detection unit that detects whether or not a predetermined position information signal is output from another image display device, and the signal output control unit outputs a position information signal
- a position information signal is output from the self-image display device in accordance with a detection result by the detection unit, using a signal output unit that outputs a position information signal when instructed to do so and an image data input unit that inputs the image data.
- a process for instructing whether to output a process for instructing the display unit to switch the direction of vertical display according to a detection result by the detection unit, and an image line according to the detection result by the detection unit. And a step of switching the transmission order and transmitting the image data input by the image data input unit to the display unit.
- Image display device image display device 11, 11a, 11b, 11c, 11d
- Detection unit detection unit 12
- Infrared controller signal output controller
- Infrared transmitter signal output unit
- Display direction switching control unit Display direction switching control unit
- Image data transmission switching unit Image data transmission switching unit
- Image data input unit image data input unit
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Abstract
Description
複数備え、かつ、前記複数の画像表示装置を前記垂直表示の向きに複数並べることで構成されていることを特徴とする。
また、「コンピュータ読み取り可能な記録媒体」とは、フレキシブルディスク、光磁気ディスク、ROM、CD-ROM等の可搬媒体、コンピュータシステムに内蔵されるハードディスク等の記憶装置のことをいう。さらに「コンピュータ読み取り可能な記録媒体」とは、サーバやクライアントとなるコンピュータシステム内部の揮発性メモリのように、一定時間プログラムを保持しているものを含むものとする。また上記プログラムは、前述した機能の一部を実現するためのものであっても良く、さらに前述した機能をコンピュータシステムにすでに記録されているプログラムとの組み合わせで実現できるものであってもよい。また、上記のプログラムを所定のサーバに記憶させておき、他の装置からの要求に応じて、当該プログラムを、通信回線を介して配信(ダウンロード等)させるようにしてもよい。
画像データを水平方向及び垂直方向に表示する表示部と、他画像表示装置から出力された所定の位置情報信号の入力の有無を検出する検出部と、前記検出部による検出結果に応じて自画像表示装置から位置情報信号を出力するか否かを指示する信号出力制御部と、前記信号出力制御部が位置情報信号を出力するよう指示している場合に位置情報信号を出力する信号出力部と、前記検出部による検出結果に応じて前記表示部に対して垂直表示の向きの切り替えを指示する表示方向切替制御部と、前記画像データを入力する画像データ入力部と、前記検出部による検出結果に応じて画像ライン毎の送信順序を切り替えて、前記画像データ入力部が入力した画像データを前記表示部に対して送信する画像データ送信切り替え部と、を備えることを特徴とする画像表示装置。
前記位置情報信号が光無線信号であり、前記検出部が、前記表示部の垂直方向における一方の向きから入射する所定の光無線信号の有無を前記位置情報信号の入力の有無として検出するものであり、前記信号出力部が、前記表示部の垂直方向における他方の向きから所定の光無線信号を出射することで、前記位置情報信号を出力するものであることを特徴とする付記1に記載の画像表示装置。
前記位置情報信号が有線信号であり、前記検出部が、前記表示部の垂直方向における一方の向きに対応付けられた所定の入力端子から入力される所定の有線信号の有無を前記位置情報信号の入力の有無として検出するものであり、前記信号出力部が、前記表示部の垂直方向における他方の向に対応付けられた所定の出力端子から所定の有線信号を出力することで、前記位置情報信号を出力するものであることを特徴とする付記1に記載の画像表示装置。
画像データを水平方向及び垂直方向に表示する表示部と、他画像表示装置から出力された所定の位置情報信号の入力の有無を検出する検出部と、前記検出部による検出結果に応じて自画像表示装置から位置情報信号を出力するか否かを指示する信号出力制御部と、前記信号出力制御部が位置情報信号を出力するよう指示している場合に位置情報信号を出力する信号出力部と、前記検出部による検出結果に応じて前記表示部に対して垂直表示の向きの切り替えを指示する表示方向切替制御部と、前記画像データを入力する画像データ入力部と、前記検出部による検出結果に応じて画像ライン毎の送信順序を切り替えて、前記画像データ入力部が入力した画像データを前記表示部に対して送信する画像データ送信切り替え部と、を備える画像表示装置を、複数備え、かつ、前記複数の画像表示装置を前記垂直表示の向きに複数並べることで構成されていることを特徴とする画像表示システム。
画像データを水平方向及び垂直方向に表示する表示部と、他画像表示装置から出力された所定の位置情報信号の入力の有無を検出する検出部と、前記信号出力制御部が位置情報信号を出力するよう指示している場合に位置情報信号を出力する信号出力部と、前記画像データを入力する画像データ入力部とを用い、前記検出部による検出結果に応じて自画像表示装置から位置情報信号を出力するか否かを指示する過程と、前記検出部による検出結果に応じて前記表示部に対して垂直表示の向きの切り替えを指示する過程と、前記検出部による検出結果に応じて画像ラインの送信順序を切り替えて、前記画像データ入力部が入力した画像データを前記表示部に対して送信する過程と、を含むことを特徴とする画像表示方法。
11、11a、11b、11c、11d 検出部(検出部)
12 赤外線制御部(信号出力制御部)
13、13a、13b、13c、13d 赤外線送信部(信号出力部)
14 表示方向切替制御部(表示方向切替制御部)
15、15a、15b、15c、15d 液晶表示部(表示部)
16 画像データ送信切り替え部(画像データ送信切り替え部)
17 画像データ入力部(画像データ入力部)
Claims (5)
- 画像データを水平方向及び垂直方向に表示する表示部と、
他画像表示装置から出力された所定の位置情報信号の入力の有無を検出する検出部と、
前記検出部による検出結果に応じて自画像表示装置から位置情報信号を出力するか否かを指示する信号出力制御部と、
前記信号出力制御部が位置情報信号を出力するよう指示している場合に位置情報信号を出力する信号出力部と、
前記検出部による検出結果に応じて前記表示部に対して垂直表示の向きの切り替えを指示する表示方向切替制御部と、
前記画像データを入力する画像データ入力部と、
前記検出部による検出結果に応じて画像ライン毎の送信順序を切り替えて、前記画像データ入力部が入力した画像データを前記表示部に対して送信する画像データ送信切り替え部と、
を備えることを特徴とする画像表示装置。 - 前記位置情報信号が光無線信号であり、
前記検出部が、前記表示部の垂直方向における一方の向きから入射する所定の光無線信号の有無を前記位置情報信号の入力の有無として検出するものであり、
前記信号出力部が、前記表示部の垂直方向における他方の向きから所定の光無線信号を出射することで、前記位置情報信号を出力するものである
ことを特徴とする請求項1に記載の画像表示装置。 - 前記位置情報信号が有線信号であり、
前記検出部が、前記表示部の垂直方向における一方の向きに対応付けられた所定の入力端子から入力される所定の有線信号の有無を前記位置情報信号の入力の有無として検出するものであり、
前記信号出力部が、前記表示部の垂直方向における他方の向に対応付けられた所定の出力端子から所定の有線信号を出力することで、前記位置情報信号を出力するものである
ことを特徴とする請求項1に記載の画像表示装置。 - 画像データを水平方向及び垂直方向に表示する表示部と、
他画像表示装置から出力された所定の位置情報信号の入力の有無を検出する検出部と、
前記検出部による検出結果に応じて自画像表示装置から位置情報信号を出力するか否かを指示する信号出力制御部と、
前記信号出力制御部が位置情報信号を出力するよう指示している場合に位置情報信号を出力する信号出力部と、
前記検出部による検出結果に応じて前記表示部に対して垂直表示の向きの切り替えを指示する表示方向切替制御部と、
前記画像データを入力する画像データ入力部と、
前記検出部による検出結果に応じて画像ライン毎の送信順序を切り替えて、前記画像データ入力部が入力した画像データを前記表示部に対して送信する画像データ送信切り替え部と、
を備える画像表示装置を、
複数備え、かつ、
前記複数の画像表示装置を前記垂直表示の向きに複数並べることで構成されている
ことを特徴とする画像表示システム。 - 画像データを水平方向及び垂直方向に表示する表示部と、
他画像表示装置から出力された所定の位置情報信号の入力の有無を検出する検出部と、
前記信号出力制御部が位置情報信号を出力するよう指示している場合に位置情報信号を出力する信号出力部と、
前記画像データを入力する画像データ入力部と
を用い、
前記検出部による検出結果に応じて自画像表示装置から位置情報信号を出力するか否かを指示する過程と、
前記検出部による検出結果に応じて前記表示部に対して垂直表示の向きの切り替えを指示する過程と、
前記検出部による検出結果に応じて画像ラインの送信順序を切り替えて、前記画像データ入力部が入力した画像データを前記表示部に対して送信する過程と、
を含むことを特徴とする画像表示方法。
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