WO2023080360A1 - 디스플레이 장치 및 그 제어 방법 - Google Patents
디스플레이 장치 및 그 제어 방법 Download PDFInfo
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- WO2023080360A1 WO2023080360A1 PCT/KR2022/005339 KR2022005339W WO2023080360A1 WO 2023080360 A1 WO2023080360 A1 WO 2023080360A1 KR 2022005339 W KR2022005339 W KR 2022005339W WO 2023080360 A1 WO2023080360 A1 WO 2023080360A1
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- display module
- display
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- modules
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
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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
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/04—Display device controller operating with a plurality of display units
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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
- G09G2370/04—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
- G09G2370/042—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller for monitor identification
Definitions
- Embodiments generally relate to a display device and a control method of the display device, and more particularly, to automatically identify (or determine) a coordinate value of a display module by receiving a coordinate value of another display module adjacent to the display module. It relates to a display module that forms a part of a modular display and a method for controlling the display module.
- a display device with a large screen may be used as a digital signage installed in a place with a large floating population, such as a subway station, a mall, or a bus stop. Such a display device may be utilized to display outdoor advertisements or other information.
- the display screen of a modular display device can flexibly expand or reduce the size of the display screen according to the number of display modules and their combination (or arrangement), thereby providing convenience to users.
- it is convenient to provide the user with an adaptable large-sized display device but in such a modular display system, generally, an intensive process of setting identification values and coordinate values corresponding to positions where each display module in the array is placed is intensive.
- One or more embodiments may provide an apparatus that causes a display module to receive coordinate values of neighboring display modules and to identify (or determine) coordinate values corresponding to locations of the display module based on the received coordinate values.
- One or more embodiments provide a control method of a device that allows a display module to receive coordinate values of neighboring display modules and identify (or determine) a coordinate value corresponding to a location of the display module based on the received coordinate values.
- a display module configured to form a portion of a modular display device including a plurality of display modules, a first display module disposed in a first direction with respect to the display module among the plurality of display modules and I2C ( A first communication interface communicating through Inter Integrated Circuit) communication, a second communication interface communicating with a second display module disposed in a second direction with respect to the display module among the plurality of display modules through I2C communication, A third communication interface communicating with third and fourth display modules disposed in third and fourth directions, respectively, with respect to the display module among display modules through I2C communication, and from the first display module through the first communication interface.
- I2C A first communication interface communicating through Inter Integrated Circuit
- the received x-coordinate value and the received y-coordinate value Based on the value, the x-coordinate value and the y-coordinate value of the display module are identified, the identified x-coordinate value is transmitted to the third display module through the third communication interface, and the identified y-coordinate value is and a processor transmitting to the fourth display module through a third communication interface.
- the display module is adjacent to each of the first display module, the second display module, the third display module, and the fourth display module, and the first direction is where the plurality of display modules are disposed.
- the third direction is opposite to the third direction on the x axis of the xy plane, and the second direction is opposite to the fourth direction on the y axis of the xy plane.
- the processor adds the received x-coordinate value to the basic x-coordinate value of the display module to identify the x-coordinate value of the display module, and the basic y-coordinate value of the display module to the received y-coordinate value
- the coordinate values are added to identify the y coordinate value of the display module.
- the first direction is a left direction with respect to the display module
- the second direction is a downward direction with respect to the display module
- the third direction is a right direction with respect to the display module
- a fourth direction is an upward direction with respect to the display module.
- basic x-coordinate values and basic y-coordinate values of the plurality of display modules are the same.
- the basic x-coordinate values of each of the plurality of display modules are 1, and the basic y-coordinate values of each of the plurality of display modules are 1.
- the processor receives an x-coordinate value of a fifth display module disposed at a corner of the modular display device from at least one of the third display module and the fourth display module through the third communication interface.
- the ID of the display module is identified based on the x coordinate value of the fifth display module and the x,y coordinate values of the display module.
- ID is the ID of the display module
- X is the x-coordinate value of the fifth display module
- x is the x-coordinate value of the display module
- y is the y-coordinate value of the display module.
- the first direction is a left direction with respect to the display module
- the second direction is a lower direction with respect to the display module
- the third direction is a right direction with respect to the display module
- the display module is disposed on the top right side of the modular display device among the plurality of display modules.
- the first display module is transferred from the first display module of the modular display device through a first communication interface that communicates through Inter Integrated Circuit (I2C) communication.
- I2C Inter Integrated Circuit
- Receiving the x-coordinate value of the module receiving the y-coordinate value of the second display module from the second display module of the modular display device through a second communication interface communicating through I2C communication, the received Identifying the x-coordinate value and the y-coordinate value of the display module based on the x-coordinate value of the first display module and the received y-coordinate value of the second display module and a third communication interface communicating through I2C communication transmitting the identified x-coordinate value to a third display module of the modular display device and transmitting the identified y-coordinate value to the fourth display module through the third communication interface;
- the first display module is disposed in a first direction with respect to the display module
- the second display module is disposed in a second direction with respect to the display module
- the display module is adjacent to each of the first, second, third, and fourth display modules, and the first direction is on an x-axis of an xy plane on which the plurality of display modules are disposed. 3, and the second direction is opposite to the fourth direction on the y-axis of the xy plane.
- the identifying the x-coordinate value and the y-coordinate value of the display module may include the basic x-coordinate value of the display module received from the first display module in order to identify the x-coordinate value of the display module. adding the x-coordinate values; and adding the y coordinate value received from the second display module to the basic y coordinate value of the display module to identify the y coordinate value of the display module.
- the first direction is a left direction with respect to the display module
- the second direction is a downward direction with respect to the display module
- the third direction is a right direction with respect to the display module
- a fourth direction is an upward direction with respect to the display module.
- basic x-coordinate values and basic y-coordinate values of the plurality of display modules are the same.
- the basic x-coordinate values of the plurality of display modules are 1, and the basic y-coordinate values of the plurality of display modules are 1.
- the method may receive an x-coordinate value of a fifth display module disposed at a corner of the modular display device from at least one of the third display module and the fourth display module through the third communication interface. and identifying an ID of the display module based on the x coordinate value of the fifth display module and the x,y coordinate values of the display module.
- ID is the ID of the display module
- X is the x-coordinate value of the fifth display module
- x is the x-coordinate value of the identified display module
- y is the y-coordinate value of the identified display module.
- the first direction is a left direction with respect to the display module
- the second direction is a downward direction with respect to the display module
- the third direction is a right direction with respect to the display module.
- the fourth direction is an upward direction with respect to the display module, it is disposed on the top right side of the modular display device among the plurality of display modules.
- each display module since each display module transmits and receives the coordinate value of each display module based on the I2C method, coordinates can be set automatically even if a specific display module among a plurality of display modules is replaced.
- identification values corresponding to each display module are automatically set, and a separate device for ID setting is provided. It is possible to reduce the cost and time required to set ID.
- FIG. 1 is a diagram schematically illustrating an operation of setting coordinates of a plurality of display modules constituting a modular display device according to an exemplary embodiment.
- FIG. 2 is a block diagram illustrating a configuration of a display module according to an exemplary embodiment.
- FIG. 3 is a diagram for explaining an I2C communication connection between a display module and first to fourth display modules according to an embodiment.
- FIG. 4 is a diagram for explaining coordinate axes of a plurality of display modules constituting a modular display device according to an exemplary embodiment.
- FIG. 5 is a diagram for explaining automatic coordinate setting of a display module according to an exemplary embodiment.
- 6 is a slave device that transmits the difference in the number of display modules and the identified coordinate values of a master device that receives coordinate values of other display modules to identify coordinate values according to positions of various display modules according to an embodiment. It is a diagram for explaining the difference in the number of display modules.
- 7a, 7b, 7c, 7d, and 7e are exemplary diagrams for explaining coordinate settings of a plurality of display modules constituting a modular display device according to an exemplary embodiment.
- FIG. 8 is a diagram showing that coordinates of a plurality of display modules constituting a modular display device according to an exemplary embodiment have been set.
- FIG. 9 is a diagram for explaining setting IDs of a plurality of display modules in a modular display device according to an exemplary embodiment.
- FIG. 10 is a diagram for explaining that IDs of a plurality of display modules in a modular display device according to an exemplary embodiment have been set.
- FIG. 11 is a diagram for explaining that IDs of a plurality of display modules in a modular display device according to an exemplary embodiment have been set.
- FIG. 12 is a diagram illustrating a table used for image resolution adjustment according to an exemplary embodiment.
- FIG. 13 is a block diagram of a display module according to an exemplary embodiment.
- FIG. 14 is a flowchart schematically illustrating a method of controlling a display module device constituting a modular display device according to an exemplary embodiment.
- 15 is a flowchart schematically illustrating a method of identifying a coordinate value of a display module based on an x coordinate value of a first display module and a y coordinate value of a second display module according to an embodiment.
- 16 is a flowchart schematically illustrating a method of identifying an ID corresponding to a display module based on an x-coordinate value of a fifth display module and a coordinate value of the display module according to an embodiment.
- cross hatching and/or shading in the accompanying drawings generally serves to clarify boundaries between adjacent elements. Therefore, unless otherwise specified, the presence or absence of cross hatching or shading is not dependent on the particular material. Preferences or requirements for material properties, dimensions, proportions, commonalities between illustrated elements, and/or other characteristics, properties, characteristics, etc., are not communicated or expressed. Also, in the accompanying drawings, the sizes and relative sizes of components may be exaggerated for convenience of explanation. Therefore, the size and relative size of each component is not necessarily limited to the size and relative size shown in the drawings. When an embodiment may be implemented differently, a specific process sequence may be performed differently from the described sequence. For example, two processes that are described sequentially may be performed substantially concurrently or in the order reversed from that described. Also, like reference numerals denote like elements.
- the X-axis, Y-axis, and Z-axis are not limited to the three axes of the Cartesian coordinate system and can be interpreted in a broader sense.
- the X-axis, Y-axis, and Z-axis may represent directions perpendicular to each other or other directions that are not perpendicular to each other.
- references to “at least one of X, Y, and Z” and “at least one selected from the group consisting of X, Y, and Z” may be construed only as X, Y, and Z, or as X, Y, and Z. Any combination of two or more may be interpreted as, for example, XYZ, XYY, YZ and ZZ.
- the term “and/or” includes any and all combinations of one or more of the listed items.
- Spatially relative terms such as “side” may be used herein for descriptive purposes, and accordingly, as illustrated in the drawings, one element and another element ( Spatially relative terms are intended to include other orientations of the device in use, operation and/or manufacture in addition to the orientation shown in the figures. For example, if the device in the figures is turned upside down In this case, an element described as “below” or “beneath” another element or feature may be oriented “above” the other element or feature, thus the term “beneath” means above and below. Also, the device may be oriented in other orientations (e.g., rotated 90 degrees or in other orientations), and the spatially relative descriptors used herein per se will be interpreted accordingly. can
- the terms “substantially,” “about,” and other similar terms are used as terms of approximation rather than terms of degree, and are themselves used to describe inherent variations. Values measured, calculated and/or given that can be recognized by those skilled in the art. Also, a “user” may mean a person who receives (or recognizes) content through a display device, but is not limited thereto.
- blocks, units, and/or modules may be formed using semiconductor-based manufacturing techniques or other manufacturing techniques, such as electronic (or optical) logic circuits, discrete components, microprocessors, wired circuits, memory elements, wiring connections, and the like. ) is physically implemented by the circuit.
- semiconductor-based manufacturing techniques such as electronic (or optical) logic circuits, discrete components, microprocessors, wired circuits, memory elements, wiring connections, and the like.
- electronic (or optical) logic circuits discrete components, microprocessors, wired circuits, memory elements, wiring connections, and the like.
- blocks, units, and/or modules may optionally be programmed and controlled using software (eg, microcode) to perform the various functions discussed herein. It may be driven by firmware and/or software.
- Each block, unit and/or module may be implemented by dedicated hardware, or as a combination of dedicated hardware to perform some functions and a processor (e.g., one or more programmed microprocessors and related circuitry) to perform other functions.
- a processor e.g., one or more programmed microprocessors and related circuitry
- each block, unit and/or module of some embodiments may be physically separated into two or more interacting individual blocks, units and/or modules without departing from the concept of the present invention.
- blocks, units, and/or modules of some embodiments may be physically combined into more complex blocks, units, and/or modules without departing from the concept of the present invention.
- FIG. 1 is a diagram schematically illustrating an operation of setting coordinates of a plurality of display modules constituting a modular display device according to an exemplary embodiment.
- a modular display device 1000 includes a plurality of display modules, eg, display modules 100-A, 100-B, 100-C, and 100-F.
- display modules 100-A, 100-B, 100-C, and 100-F may be collectively and/or individually referred to as the display module(s) 100.
- the modular display device 1000 is a single large display device such as a digital signage, an electronic display, etc., in which a plurality of display modules 100 are combined or assembled, or a personal computer. It may be implemented as a single small display device such as a monitor for a personal computer or a TV, but is not limited thereto.
- the plurality of display modules 100 may be arranged in a matrix form to form a larger modular display device 1000 .
- four display modules eg, 100-A, 100-B, 100-C, and 100-F
- any suitable number of display modules ( 100) may be combined to form display devices 1000 of different sizes and/or different resolutions.
- the plurality of display modules 100 may be arranged in various matrix forms other than the 2 x 2 matrix shown in FIG.
- the plurality of display modules 100 may be arranged in a matrix of M x N (where M and N are natural numbers equal to or greater than 1). Any other suitable arrangement may also be utilized.
- the modular display device 1000 receives image information about an image output through a display panel from the control box 2000 .
- the control box 2000 not only transmits image information to the modular display device 1000, but also controls each of the display modules 100-A, 100-B, 100-C, and 100-F constituting the modular display device 1000. ) to control the luminance and volume.
- the control box 2000 is shown as a separate device from the modular display device 1000, but the embodiment is not limited thereto.
- the control box 2000 may be implemented as a central processing unit (CPU) of the modular display device 1000, a micro controller unit (MCU), or the like.
- the modular display device 1000 may output a specific image through the plurality of display modules 100 constituting the modular display device 1000 .
- the modular display device 1000 is formed through a group of entire display panels implemented by combining display panels of each display module 100. output a specific image.
- a portion of specific image information is output.
- the display module 100_F at the bottom left displays the lower left area of a specific image
- the display module 100_C at the lower right displays the lower right area of the specific image
- the upper left area The display module 100_B may display the upper left area of the image
- the display module 100_A at the upper right may display the upper right area of the image.
- each of the display modules 100-A, 100-B, 100-C, and 100-F is one part of the entire image corresponding to the position of each display module 100 in the modular display device 1000. An image of the area can be output.
- each display module 100 receives specific image information from the control box 2000 and identifies the location where it is placed. Further, pixel information of a region of the image corresponding to the identified position, for example, a region within the image corresponding to the arrangement position is identified. And based on the identified pixel information, a portion of the image is displayed. In this way, in order for each display module 100 to output a specific part of an image corresponding to the position where each display module 100 is disposed, each display module 100 is required in the modular display device 1000. The location must be identified.
- the display module 100 may identify a coordinate value corresponding to a position where the display modules 100 are arranged.
- the display module 100-F when the X axis and the Y axis are set based on the display module 100-F at the lower left of the plurality of display modules, the right direction of the corresponding display module 100-F is It is the (+) direction of the X coordinate, and the upward direction of the corresponding display module 100-F will correspond to the (+) direction of the Y coordinate.
- the modular display device 1000 when the modular display device 1000 is implemented with a plurality of display modules 100, a process of setting coordinate values corresponding to the arrangement positions of each display module 100 is utilized.
- a separate device was required to set excessive coordinates for each display module.
- each display module 100 transmits and receives coordinate information without a separate device to automatically generate coordinates corresponding to the respective arranged positions. to be set to
- the identified coordinate value Information is transmitted to the display module 100-B at the upper left and the display module 100-A at the upper right adjacent to each other.
- the lower left display module 100-F provides the identified coordinate value information to the lower right display module 100-C.
- the processor of the display module 100-B at the upper left corner has a coordinate value corresponding to the position of the display module 100-B at the upper left corner based on the received coordinate value information of the display module 100-F at the lower left corner.
- the processor of the display module 100-C at the bottom right can also be received from the display module 100-F at the bottom left or one or more other display modules 100. Based on the coordinate value information of F), coordinate values related to the display module 100-C in the lower right corner are identified. In this way, the processor of each display module 100 may receive coordinate value information of adjacent display modules 100 for which coordinate value identification has been completed, and set the coordinate value of the corresponding display module based on the received coordinate value information. there is. Therefore, according to various embodiments, a separate device for setting coordinates and setting identification values corresponding to the coordinates is not required. Costs and time required can be saved or at least reduced.
- a plurality of display modules 100 constituting the modular display device 1000 each identifies coordinate information corresponding to its position in the modular display device 1000. An embodiment of the disclosure will be described in more detail.
- FIG. 2 is a block diagram illustrating a configuration of a display module according to an exemplary embodiment.
- 3 is a diagram for explaining an I2C communication connection between a display module and first to fourth display modules according to an embodiment.
- the display module 100 includes a first communication interface 110 , a second communication interface 120 , a third communication interface 130 and a processor 140 .
- the first communication interface 110, the second communication interface 120, and the third communication interface 130 implement the modular display device 1000, the display module 100 and / or other display modules It is an interface used for I2C (Inter Integrated Circuit) communication.
- I2C Inter Integrated Circuit
- Inter Integrated Circuit (I2C) communication one or more master devices and one or more slave devices communicate information through two communication lines (for example, SDA (Serial Data) Line and SCL (Serial Clock) Line). It refers to a communication method that transmits and receives in both directions.
- SDA Serial Data
- SCL Serial Clock
- the master device transmits a clock signal to the slave device through the SCL line and transmits data to the slave device through the SDA line. For example, the master device transmits a low-value clock signal to the slave device through the SCL line, and then transmits data including address information of the slave device to the slave device through the SDA line. Then, the slave device identifies whether the address information in the received data and the address of the slave device match, and if identified as matching, transmits an Ack Signal, a response signal, to the master device. When the master device receives an Ack Signal from the slave device, it recognizes that data has been effectively transmitted.
- the roles of the master device and the slave device may be changed between a plurality of devices using the I2C communication method.
- the role between the master device and the slave device may be changed according to the type of information transmitted and received between the master device and the slave device.
- the first device serves as the master device, and the second device as the slave device If the first information has been transmitted, the second device may transmit the second information to the first device as a slave device as a master device for the second information.
- the display module 100 is a slave device when receiving data for setting coordinates (eg, coordinate values of other adjacent display modules 100), and after setting coordinates is completed. When transmitting coordinate information of the display module 100 necessary for setting the coordinates of another adjacent display module 100, it may operate as a master device. This will be described in more detail below.
- the first communication interface 110 of the display module 100 is connected to the first display module 100-1 located in the first direction (eg, -x direction) with respect to the display module 100 and the I2C It is an interface used for communication.
- the second communication interface 120 of the display module 100 is connected to the second display module 100-2 located in a second direction (eg, -y direction) with respect to the display module 100 and I2C It is an interface used for communication.
- the third communication interface 130 of the display module is the third and fourth displays respectively located in the third and fourth directions (eg, +x direction and +y direction) with respect to the display module 100 . It is an interface used for I2C communication with modules 100-3 and 100-4. Since the third communication interface 130 is connected to a plurality of display modules, the third and fourth display modules 100-3 and 100-4, the first communication interface 110 connected to a single display module, respectively. and the second communication interface 120.
- the display module 100 includes the processor 140.
- the processor 140 controls overall operations of the display module 100 .
- the processor 140 may be connected to each component of the display module 100 to control the overall operation of the display module 100 .
- the processor 140 may be connected to a driving unit, a memory and a communication unit to control the operation of the display module.
- the processor 140 includes a digital signal processor (DSP), a microprocessor, a central processing unit (CPU), a micro controller unit (MCU), and a micro processing unit (MPU). unit), NPU (Neural Processing Unit), controller, application processor (AP), TCON (Timing Controller), etc.
- DSP digital signal processor
- CPU central processing unit
- MCU micro controller unit
- MPU micro processing unit
- NPU Neuro Processing Unit
- controller application processor
- AP application processor
- TCON Timing Controller
- the processor 140 may be implemented as a system on chip (SoC), large scale integration (LSI), or may be implemented as a field programmable gate array (FPGA). Additionally, processor 140 may include volatile memory, such as static random-access memory (SRAM), although any other suitable volatile and/or non-volatile memory may be used.
- SoC system on chip
- LSI large scale integration
- FPGA field programmable gate array
- processor 140 may include volatile memory, such as static random-access memory (SRAM), although any other suitable volatile and/or non-volatile memory may be used.
- SRAM static random-access memory
- the processor 140 of the display module 100 is a slave device and may receive coordinate information from the master device through the first communication interface 110 and the second communication interface 120. .
- the processor 140 identifies the coordinate value of the display module 100 based on the received coordinate information, it can transmit the coordinate value of the display module 100 to the slave device as a master device through the 32nd communication interface 130. there is.
- the processor 140 uses the first communication interface 110 and the second communication interface 120.
- the display module 100 uses the third communication interface 130 when operating as a master device.
- the display module 100 includes a first I2C line (eg, a first SDA Line and 1 SCL Line), and through the second display module 100-2, which is the second master device, and the second communication interface 120, the second I2C line (eg, the second SDA Line and the second SCL line) line) is connected.
- the third I2C line for example, the third SDA Line and the third display module 100-4 as slave devices
- the third communication interface 130 SCL Line can be connected respectively.
- the first display module 100 - 1 means a display module disposed in a first direction of the display module 100 to configure the modular display device 1000 .
- the second display module 100 - 2 means a display module disposed in the second direction of the display module 100 to configure the modular display device 1000 .
- the third display module 100 - 3 means a display module disposed in the third direction of the display module 100 to configure the modular display device 1000 .
- the fourth display module 100 - 4 means a display module disposed in the fourth direction of the display module 100 to configure the modular display device 1000 .
- the first to fourth display modules (eg, 100-1 to 100-4) refer to display modules arranged in correspondence to directions (first to fourth directions) with respect to the display module 100. Therefore, it is relatively identified according to the position of the display module 100 . This will be described later in more detail with reference to FIGS. 4 and 5 .
- the processor 140 transmits the x-coordinate value of the first display module 100-1 in the modular display device 1000 from the first display module 100-1 to the first communication interface 110. receive through In addition, the y coordinate value of the second display module 100 - 2 in the modular display device 1000 is received from the second display module 100 - 2 through the second communication interface 120 . Also, the processor 140 may identify the x-coordinate value and the y-coordinate value of the display module 100 based on the received x-coordinate value and y-coordinate value.
- FIG. 4 is a diagram for explaining coordinate axes of a plurality of display modules constituting a modular display device according to an exemplary embodiment.
- a plurality of display modules 100 constituting a modular display device 1000 may be disposed adjacent to each other on a specific plane.
- the processor 140 identifies the plane on which the display module 100 is disposed as an xy plane, and identifies a coordinate value corresponding to a position on which the display module 100 is disposed within the modular display device 1000 .
- the processor 140 identifies the plane on which the display module 100 is placed as an xy plane, and identifies the position of the display module 100 on the matrix corresponding to the arrangement of the plurality of display modules and the corresponding coordinate value. do.
- the processor 140 identifies the x coordinate value and the y coordinate value of the display module 100 in the modular display device 1000 .
- the embodiment is not limited thereto, and when the processor 140 identifies the plane on which the display module 100 is disposed as the xz side, the coordinate value corresponding to the position on which the display module 100 is disposed is x It may be identified by the coordinate value and the z-coordinate value. Similar logic applies to the other planes of the three-dimensional (3D) Cartesian coordinate system.
- the processor 140 may, from the first display module 100-1 located in the first direction, in order to identify an x-coordinate value corresponding to a position where the display module 100 is disposed on a two-dimensional plane.
- the x-coordinate value of the first display module 100-1 is received through the first communication interface 110.
- the data including the x-coordinate value received from the first display module 100-1 includes address information about a specific slave device to which the corresponding data is transmitted.
- the processor 140 extracts address information about a specific slave device included in the data received through the first communication interface 110, and then compares the address information about the specific slave device with the address of the display module 100 to match.
- the processor 140 identifies that the address information on the specific slave device included in the data matches the address of the display module 100, the first display module 100-1 via the first communication interface 110 Ack Signal (Acknowledgement Signal), which is a response signal, is transmitted to At this time, the first display module 100 - 1 receiving the Ack Signal identifies that the information on the x coordinate has been effectively transmitted to the display module 100 . If the processor 140 identifies that the address information of the specific slave device included in the data does not match the address of the display module 100, the processor 140 sends the first display module 100- through the first communication interface 110. 1) NAck Signal (Non Acknowledgement Signal) can be transmitted.
- Ack Signal Non Acknowledgement Signal
- the processor 140 obtains the second display module 100 from the second display module 100-2 located in the second direction.
- the y coordinate value of -2) is received through the second communication interface 120 .
- Address information of the display module 100 may be set in advance corresponding to each communication interface for I2C communication. At this time, at least one address information may be set in advance in each communication interface.
- the slave device receives an address set in correspondence with the corresponding interface from the master device.
- the display module 100 is a slave device, and the first display module 100-1 through the first communication interface 110 and the second display module through the second communication interface 120 ( 100-2).
- the processor 140 determines the address of the display module 100 for the first display module 100-1 when the display module 100 for I2C communication and the first display module 100-1 are connected. is given from the first display module 100-1 through the first communication interface 110.
- the processor 140 assigns set address information to the third communication interface 130-1 used by the first display module 100-1 to operate as a master device through the first communication interface 110.
- the processor 140 transmits the address of the display module 100 to the second display module 100-2. It is given from the second display module 100-2 through the second communication interface 120.
- the processor 140 receives address information set in the third communication interface 130-2 used by the second display module 100-2 to operate as a master device.
- the display module 100 may include a plurality of address information given from a plurality of master devices. At this time, the display module 100 receives different address information from each master device.
- the processor 140 When the display module 100 operates as a master device, the processor 140 includes the third display module 100-3 and the fourth display module 100-4 corresponding to slave devices with respect to the display module 100. address can be assigned. Referring back to FIG. 3 , the processor 140, when the display module 100 and the third display module 100-3 are connected through the third communication interface 130, the third display module 100-3 ) is given an address. Also, when the display module 100 and the fourth display module 100-4 are connected through the third communication interface 130, the processor 140 also addresses the fourth display module 100-4. can be granted. At this time, the processor 140 assigns different addresses to the third display module 100-3 and the fourth display module 100-4 connected through the same third communication interface 130. In this way, a plurality of pieces of address information set corresponding to one communication interface may be provided. The address information given or given by the display module 100 is used in a process of transmitting and receiving data for setting the coordinates of the display module 100 .
- the processor 140 determines the display module 100 based on the x-coordinate value of the first display module 100-1 and the y-coordinate value of the second display module 100-2. After identifying the coordinate value, the identified x coordinate value of the display module 100 is transmitted to the third display module 100-3 through the third communication interface 130, and the y of the identified display module 100 Coordinate values may be transmitted to the fourth display module 100 - 4 through the third communication interface 130 .
- the processor 140 separates the coordinate value of the display module 100 into an x-coordinate value and a y-coordinate value to display different It is transmitted to modules (the third display module 100-3 and the fourth display module 100-4).
- the processor 140 transmits data including the address information and the x-coordinate value corresponding to the third display module 100-3 through the third communication interface 130. It is transmitted to the third display module 100-3. Further, the processor 140 transmits data including address information and a y-coordinate value corresponding to the fourth display module 100-4 to the fourth display module 100-4 through the third communication interface 130. .
- the processor 140 transmits the x coordinate value to the third display module 100-3 and then transmits the y coordinate value to the fourth display module 100-4, the embodiment is not limited thereto.
- the transmission order of the coordinate values can be changed.
- the processor 140 cannot simultaneously perform the process of transmitting the x coordinate value and the y coordinate value due to the nature of the I2C communication method, but performs each sequentially.
- the first direction is opposite to the third direction on the x-axis of the xy plane on which the plurality of display modules are disposed
- the second direction is the y direction of the xy plane on which the plurality of display modules are disposed. It may be opposite to the fourth direction on the axis.
- the display module 100 may be a display module 100 adjacent to each of the first to fourth display modules 100 - 4 .
- the processor 140 receives the x-coordinate value of the first display module 100-1 from the first display module 100-1 located in the first direction of the display module 100, and the received After identifying the x-coordinate of the display module 100 based on the x-coordinate value of the first display module 100-1, a third display module located in a third direction opposite to the first direction on the X-axis ( 100-3) transmits the x-coordinate of the display module 100. In this way, if the transmission/reception direction of the coordinate value between the display modules for setting the coordinates of each of the plurality of display modules proceeds in one direction, it does not proceed in both directions.
- the processor 140 receives the y coordinate value of the second display module 100-2 from the second display module 100-2 located in the second direction of the display module 100, and receives the second display module After identifying the y-coordinate of the display module 100 based on the y-coordinate value of (100-2), the fourth display module 100-4 located in the fourth direction opposite to the second direction on the y-axis
- the xy coordinates of the display module 100 are transmitted as . In this way, like the x-coordinate value, the transmission/reception direction of the y-coordinate value between display modules also proceeds in one direction.
- the processor 140 transmits the identified coordinate values of the display module 100 to the third display module 100-3 and the fourth display module 100-4, the third display module 100-3 And even if the setting of the coordinate values of each of the fourth display modules 100-4 (eg, the coordinate values of the third display module 100-3 and the coordinate values of the fourth display module 100-4) is completed, Coordinate values of the third display module 100-3 and the fourth display module 100-4 are not received.
- FIG. 5 is a diagram for explaining automatic coordinate setting of a display module according to an exemplary embodiment.
- the first direction is the left direction of the display module
- the second direction is the lower direction of the display module
- the third direction is the right direction of the display module
- the fourth direction is the display module It may be a display module in an upward direction.
- the first to fourth display modules 100 - 1 to 100 - 4 may be relatively identified according to the position of the display module 100 .
- display module B 100-B corresponding to the first display module 100-1 located in the left direction (eg, first direction) with respect to display module A 100-A. corresponds to the fourth display module 100-4 located in the upper direction (eg, the fourth direction) of the display module F (100-F) with respect to the display module F (100-F).
- the first to fourth display modules 100-1 to 100-4 are relatively identified according to each display module and the position where the display module is disposed.
- 6 is a slave device transmitting the difference in the number of display modules and the identified coordinate values according to an embodiment, which is a master device that receives coordinate values of other display modules to identify coordinate values according to positions of various display modules. It is a diagram for explaining the difference in the number of in-diplay modules.
- a first direction for example, the left side of each display module Since the first display module 100-1 is not disposed in the direction, the x-coordinate value of the first display module 100-1 cannot be received from the first display module 100-1. Further, referring to FIG. 6 , in the case of a plurality of display modules (hereinafter, a first type of display module 191 ) disposed on the leftmost side, a first direction, for example, the left side of each display module Since the first display module 100-1 is not disposed in the direction, the x-coordinate value of the first display module 100-1 cannot be received from the first display module 100-1. Further, referring to FIG.
- the first type of display module 191 and the second type of display module 192 set their respective x coordinates and y coordinates based on preset basic coordinate values. This will be described later in more detail.
- the display module may correspond to a plurality of types, for example, a first type of display module and a second type of display module.
- a display module F (100-F) includes a first display module 100-1 disposed in a left direction, which is a first direction, and a second display module 100-1 disposed in a right direction, which is a second direction. 2) does not exist, so it corresponds to the first type and the second type of display module.
- the coordinate values of the display module F (100-F) may be set as preset basic coordinate values.
- the processor 140 displays the coordinate value of the identified display module on one of the third display module 100-3 and the fourth display module 100-4. It can only be sent to the module. For example, the processor 140 transmits the x coordinate value of the display module 100 to the third display module 100-3 or the y coordinate value of the display module 100 to the fourth display module 100-4. Coordinate values can be transmitted.
- a third direction for example, a rightward direction of each display module Since the third display module 100-3 is not disposed in , the x-coordinate value of the display module cannot be transmitted.
- a fourth direction for example, each display module Since the fourth display module 100 - 4 is not disposed in the upward direction of , the y value of the display module cannot be transmitted.
- the display module may correspond to a plurality of types, for example, a third type and a fourth type of display module.
- a display module G (100-G) disposed at the uppermost right side includes a third display module 100-3 disposed in the right direction, which is the third direction, and a fourth display module 100-3 disposed in the upper direction, which is the fourth direction. Since the display module 100 - 4 does not exist, it may correspond to the third type of display module 193 and the fourth type of display module 194 .
- 7A, 7B, 7C, 7D, and 7E are diagrams illustrating coordinate settings of a plurality of display modules constituting a modular display device according to an exemplary embodiment.
- a reference display module 200 for starting coordinate setting among a plurality of display modules may be set.
- the reference display module 200 identifies the coordinates of the reference display module and then converts the x coordinate values and y coordinate values of the reference display module to the reference display module. It is transmitted to the third and fourth display modules 100-3 and 100-4.
- the reference display module 200 may be a display module belonging to the above-described first and second types of displays 191 and 192 . As described above, in the case of a display module corresponding to the first and second types of displays 191 and 192 at the same time, the corresponding display module 100-1 and the second display module 100-2 do not receive coordinate values. This is because the coordinate values of the display module can be identified.
- a value obtained by adding the x coordinate value received from the first display module 100-1 to the basic x coordinate value of the display module is identified as the x coordinate value of the display module, and the basic y coordinate value of the display module A value obtained by adding the y-coordinate value received from the second display module 100-2 to the y-coordinate value may be identified as the y-coordinate value of the display module.
- basic coordinate values eg, basic x coordinate values and basic y coordinate values
- the basic coordinate values eg, the basic x coordinate value and the basic y coordinate value
- the basic coordinate values may be set to the same value for each of the plurality of display modules.
- the basic coordinate values of the plurality of display modules constituting the modular display device 1000 are set to (1, 1).
- the display module F (100-F) which is the reference display module 200
- receives a coordinate setting command from the control box the processor of the display module F (100-F) sets (1, 1) as the basic coordinate value. It is identified by the coordinate value of the display module F (100-F).
- the reference display module 200 may receive a coordinate setting command from the control box 2000 through a separate communication unit other than the first to third communication interfaces 110 to 130 .
- the processor of the display module F (100-F) converts the x-coordinate value (1) of the coordinate values (1, 1) of the display module F (100-F) to the display module F (100-F). Through the third communication interface 130, it is transmitted to the display module C (100-C) located in the right direction of the display module F (100-F). And, the processor of the display module F (100-F) converts the y coordinate value (1) of the coordinate values (1, 1) of the display module F (100-F) to the third communication interface of the display module F (100-F). Through, it is transmitted to the display module B (100-B) located in the upward direction of the display module F (100-F).
- -F) identifies the coordinate value of the display module B (100-B) based on the y coordinate value and the basic coordinate value. For example, identifying the y coordinate value of display module B (100-B) based on the received y coordinate value of display module F (100-F) and the basic y coordinate value, and displaying based on the basic x coordinate value Identifies the x-coordinate value of module B (100-B).
- the processor of the display module B determines the y coordinate value 1 of the display module F (100-F) corresponding to the second display module 100-2 of the display module B (100-B). 2 added to the basic y-coordinate value 1 is identified as the y-coordinate value of the display module B (100-B). Accordingly, the processor of display module B 100-B identifies the coordinate values of display module B 100-B as (1, 2).
- the coordinate value of the display module C (100-C) is identified based on the x coordinate value and the basic coordinate value of F). For example, identifying the x-coordinate value of the display module C (100-C) based on the received x-coordinate value and the basic x-coordinate value of the display module F (100-F), and displaying based on the basic y-coordinate value Identifies the y coordinate value of module C (100-C).
- the processor of the display module C (100-C) corresponds to the x-coordinate value 1 of the display module F (100-F) corresponding to the first display module 100-1 of the display module C (100-C). 2 added to the basic x-coordinate value 1 is identified as the x-coordinate value of the display module C (100-C). Accordingly, the processor of display module C (100-C) identifies the coordinate value of display module C (100-C) as (2, 1).
- the processor of display module B 100-B identifies the coordinate values of display module B 100-B as (1, 2) and then the x of display module B 100-B.
- Display module A which is the third display module 100-3 disposed in the right direction with respect to the display module B 100-B, with coordinate value 1 through the third communication interface 130 of the display module B 100-B.
- the y coordinate value 2 of the display module B (100-B) through the third communication interface 130 of the display module B (100-B) to the fourth arranged in the upward direction with respect to the display module B (100-B) It is transmitted to the display module 100-4.
- the processor of display module C (100-C) identifies the coordinate value of display module C (100-C) as (2, 1), and then calculates the y coordinate of display module C (100-C).
- Display module A which is the fourth display module 100-4 disposed upward with respect to the display module C (100-C) through the third communication interface 130 of the display module C (100-C) with a value of 1 ( 100-A).
- the processor of display module A (100-A) is transferred from display module B (100-B) through the first communication interface 110 of display module A (100-A). Receives the x-coordinate value of (100-B). And the processor of the display module A (100-A), through the second communication interface 120 of the display module A (100-A), from the display module C (100-C) to the display module C (100-C) Receives the y coordinate value.
- the processor of the display module A (100-A) receives the received information (eg, the x coordinate value of the display module B (100-B) and the y coordinate value of the display module C (100-C)) and the basic coordinate Based on the value, the coordinate value of the display module A (100-A) is identified. For example, the processor of display module A (100-A) adds 1, which is the x-coordinate value of display module B (100-B), to the basic x-coordinate value 1, and adds the x-coordinate value of display module A (100-A).
- the processor of display module A (100-A) adds 1, which is the x-coordinate value of display module B (100-B), to the basic x-coordinate value 1, and adds the x-coordinate value of display module A (100-A).
- the processor of the display module A (100-A) identifies the value obtained by adding 1, the y coordinate value of the display module C (100-C) to the basic y coordinate value 1, as the y coordinate value of the display module A (100-A) do. As such, the processor of the display module A (100-A) identifies the coordinate value of the display module A (100-A) as (2, 2).
- the processor of the display module A (100-A) transmits the x-coordinate value of the display module A (100-A) to the right side of the display module A (100-A) through the third communication interface 130. It is transmitted to the display module D (100-D), which is the third display module 100-3 disposed in the direction. And the processor of the display module A (100-A) transmits the y-coordinate value of the display module A (100-A) through the third communication interface 130 to the display module A (100-A) disposed in the upper direction. 4 is transmitted to the display module E (100-E), which is the display module (100-4).
- each display module receives the x-coordinate value of the first display module 100-1 for each display module through the first communication interface 110 of each display module, and , the y-coordinate value of the second display module 100-2 for each display module is received through the second communication interface 120 of each display module.
- each display module identifies the coordinate value of the display module based on the basic coordinate value set identically and the coordinate value information received respectively, and then transmits the x-coordinate value of the identified display module to the third communication interface of each display module. 130 to the third display module 100-3 for each display module and the y coordinate value of the identified display module to each display module through the third communication interface 130 of each display module to the fourth display module 100-4.
- the modular display device 1000 can automatically identify the coordinates of all display modules constituting the modular display device 1000 .
- FIG. 8 is a diagram showing that coordinates of a plurality of display modules constituting a modular display device according to an exemplary embodiment have been set.
- each display module sets coordinate values corresponding to the arrangement position so as not to overlap.
- the first direction, the second direction, the third direction, and the fourth direction may be set according to a position of a reference display module among a plurality of display modules constituting the modular display device 1000 .
- a reference display module among a plurality of display modules constituting the modular display device 1000 .
- the coordinate identification direction of the display module may be set to a downward-left direction.
- the first direction may be set to the right direction of the display module, the second direction to the upper direction of the display module, the third direction to the left direction of the display module, and the fourth direction to the lower direction of the display module.
- each display module may perform an identification value (ID) setting process.
- ID means an identification value for identifying each display module.
- each display module identifies an ID
- the processor 140 may identify the ID of the display module 100 based on the coordinate values of the identified display module 100 .
- the ID identification process of the processor 140 is performed after the coordinate identification process of all display modules constituting the modular display device 1000 is completed. Therefore, prior to describing an embodiment of the present disclosure for an ID identification process, a method of determining that the coordinate identification process of the entire display module is completed will be described in more detail.
- the fifth display module 100 - 5 means a display module that last performs coordinate identification among a plurality of display modules implementing the modular display device 1000 .
- the first direction is the left direction of the display module
- the second direction is the lower direction of the display module
- the third direction is the right direction of the display module
- the fourth direction is an upward direction of the display module
- it may be a display module positioned at the top right among a plurality of display modules.
- the reference display module 200 is set as the display module F (100-F)
- the first direction is the left direction of the display module
- the second direction is the left direction of the display module.
- the display module G (100-G) corresponds to the fifth display module 100-5.
- the first direction is the left direction of the display module 100
- the second direction is the lower direction of the display module 100
- the third direction is the right direction of the display module 100
- the fourth direction When the direction is the upward direction of the display module 100, the third display module 100-3 disposed in the right direction as the third direction and the fourth display module 100-4 disposed in the upward direction as the fourth direction ) may correspond to the fifth display module 100 - 5 . Because, when the display module adjacent to the right direction and the display module adjacent to the upward direction do not exist in the display module 100, the processor 140 is disposed in the left direction, which is the first direction, in the first display module 100-1.
- the coordinate values of the identified display module 100 This is because there is no other display module that can transmit. Accordingly, the first direction is the left direction of the display module 100, the second direction is the lower direction of the display module 100, the third direction is the right direction of the display module 100, and the fourth direction is the display module ( 100), the display module 100 simultaneously corresponding to the third type display module 193 and the fourth type display module 194 may correspond to the fifth display module 100-5. there is.
- the display module G (100-G) located at the top right is set as the reference display module.
- the processor of the display module G (100-G) located at the top right corresponding to the fifth display module 100-5 identifies the coordinate values of the display module G (100-G) and then Coordinate values of the identified display module G (100-G) cannot be transmitted through the third communication interface 130. As described above, this is because the display module disposed on the right side of the display G and the display module disposed on the upper side do not exist.
- the processor of the display module G (100-G) transmits the coordinate values of the display module G (100-G) through the third communication interface 130 to the third or fourth third or fourth display module G (100-G).
- the Ack Signal which is a response signal that must be transmitted to the display module (100-3 or 100-4) to be received, is not received.
- the received Nack Signal is also not received.
- the processor 140 of the display module 100 when the processor 140 of the display module 100 does not receive the response signal Ack Signal through the third communication interface 130 for a preset time, the coordinates of the entire display module are identified. It is identified that the process has ended, and it is identified that the display module 100 corresponds to the fifth display module 100-5. Then, the processor 140 switches to an ID identification process.
- each of a plurality of display modules implementing the modular display device 1000 must be controlled. This is because the display module of can be identified. Therefore, IDs that do not overlap must be set for each display module.
- an embodiment may set the ID of each display module based on the coordinate value of the fifth display module 100-5 and the coordinate value of each display module. Also, according to an embodiment, IDs of a plurality of display modules may be automatically set based on the I2C communication method, just as the coordinates of the plurality of display modules are automatically set based on the I2C communication method.
- IDs of a plurality of display modules may be automatically set based on the I2C communication method, just as the coordinates of the plurality of display modules are automatically set based on the I2C communication method.
- the processor 140 is a modular display device from at least one of the third display module 100-3 and the fourth display module 100-4 through the third communication interface 130 ( 1000), when the x coordinate value of the fifth display module 100-5 located at the corner is received, the x coordinate value of the fifth display module 100-5 and the x, y coordinate values of the display module 100 Based on this, the ID of the display module 100 can be identified.
- the processor 140 may set the ID of the display module 100 based on the x-coordinate value of the fifth display module 100-5 and the coordinate value of the display module 100.
- the processor 140 can set the ID of the display module 100 that does not overlap with other display modules by using the coordinate values of the display module 100 to set the ID. This is because, as described above, each display module sets its coordinate values so as not to overlap with other display modules.
- the x-coordinate value of the fifth display module 100-5 is also used to set the ID.
- the embodiment is not limited thereto, and for ID setting, both the y-coordinate or x-coordinate and y-coordinate of the fifth display module 100-5 may be used.
- the processor 140 receives the same x-coordinate value of the fifth display module 100-5 from the third display module 100-3 and the fourth display module 100-4. This is contrary to the coordinate identification process in which the processor 140 receives different types of information, the x-coordinate value from the first display module 100-1 and the y-coordinate value from the second display module 100-2 do.
- the processor 140 receives the x-coordinate value of the fifth display module 100-5 from the third display module 100-3 and the fourth display module 100-4 through the third communication interface 130. .
- the display module 100 may transmit the fifth display module 100-4 from at least one of the third display module 100-3 and the fourth display module 100-4 through the third communication interface 130.
- the processor 140 identifies whether the address information included in the received data and the address of the display module 100 match. If it is identified as matching, the display module transmits an Ack Signal to the third display module 100-3 or the fourth display module 100-4 that has transmitted the corresponding data.
- the address of the display module 100 set for the third display module 100-3 and the address of the display module 100 set for the fourth display module 100-4 may be different.
- the display module 100 receives an address set in correspondence with the first communication interface 110 of the third display module 100-3 to the third display module 100-3
- the fourth display module 100-3 receives an address.
- An address set to correspond to the second communication interface 120 of the module 100-4 may be assigned to the fourth display module 100-4.
- the address information used when the display module 100 operates as a slave device may include four pieces of address information respectively assigned from the first to fourth display modules.
- the display module 100 receives first address information from the first display module 100-1 used to operate as a slave device when setting coordinates, and information provided from the second display module 100-2.
- the third address information given from the third display module 100-3 used to operate as a slave device when setting the second address information and ID, and the fourth address information given from the fourth display module 100-4 can include
- the third communication interface 130 is used to transmit x-coordinate values and y-coordinate values as the display module 100 operates as a master device in the process of setting coordinates. However, in the ID setting process, the third communication interface 130 is used to receive the x-coordinate value of the fifth display module 100-5 as the display module 100 operates like a slave device.
- the x-coordinate value of the fifth display module 100-5 is transmitted through the first communication interface 110 to the first display module 100-5 located in the first direction. 1) and the second display 100-2 located in the second direction through the second communication interface 120.
- the display module 100 is a slave device, and data (eg, the x coordinate value of the first display module 100-1 and the y coordinate value of the second display module 100-2)
- the first and second communication interfaces 110 and 120 used to receive the coordinate value are used to transmit data (the x coordinate value of the fifth display module 100-5).
- the first to third communication interfaces 110 to 130 may be interfaces capable of dual I2C communication.
- the processor 140 may change the use of the first to third communication interfaces 110 to 130 according to the role of a master device or a slave device of the display module 100 .
- the embodiment is not limited thereto, and according to other embodiments, an I2C communication interface for coordinate identification and an I2C communication interface for ID identification may be distinguished.
- the display module 100 includes an I2C chip including an interface for coordinate identification (eg, the first to third interfaces 110 to 130) and an interface for ID identification (eg, the first to third interfaces 110 to 130). It may include an I2C chip including the fourth to sixth communication interfaces). At this time, the display module 100 receives the X coordinate value of the fifth display module 100-5 from the third display module 100-3 or the fourth display module 100-4 through the fourth communication interface. .
- the ID of the display module 100 is identified based on the x coordinate value of the fifth display module 100 - 5 and the x, y coordinate values of the display module 100 .
- ID identification of the display module 100 is completed, the X coordinate information of the fifth display module 100-5 is transmitted to the first display module 100-1 through the fifth communication interface, and the sixth communication interface is transmitted to the second display module 100-2 through
- FIG. 9 is a diagram for explaining setting IDs of a plurality of display modules in a modular display device according to an exemplary embodiment.
- the processor when the processor receives the x-coordinate value of the fifth display module 100-5 from at least one of the third display module 100-3 and the fourth display module 100-4,
- the ID of the display module can be identified based on Equation 1 provided below.
- ID is the ID of the display module
- X is the x-coordinate value of the fifth display module 100-5
- x is the x-coordinate value of the display module
- y is the y-coordinate value of the display module.
- the processor of the display module G (100-G) corresponding to the fifth display module 100-5 identifies the coordinate value of the fifth display module 100-5 as (3, 3). Afterwards, it is identified that the coordinate identification process for the modular display device 1000 has been completed. And the processor of the display module G (100-G) sets the ID of the display module G (100-G) corresponding to the fifth display module (100-5). At this time, the ID of the fifth display module 100-5 is identified as 9 ((3-1)X3+3).
- the processor of the display module G (100-G) through the first communication interface 110 of the display module G (100-G) displays the display module G (
- the x-coordinate value 3 of the fifth display module 100-5 is transmitted to the display module E 100-E located in the left direction of 100-G).
- the processor of the display module G (100-G) is the display module D (100-D) located in the lower direction of the display module G (100-G) through the second communication interface 120 of the display module G (100-G).
- the x-coordinate value of the fifth display module 100-5 is 3.
- the processor of the display module E (100-E) identifies the ID based on the received x-coordinate value of the fifth display module 100-5 and the coordinate value of the display module E (100-E). For example, since the coordinate values of display module E(100-E) correspond to (2, 3), the processor of display module H(100-H) sets the ID of display module E(100-E) to 8 ((( 3-1) It is identified as ⁇ 3 + 2).
- the processor of the display module D (100-D) also identifies an ID based on the received x-coordinate values of the fifth display module 100-5 and the coordinate values of the display module D (100-D). For example, since the coordinate value of display module D (100-D) corresponds to (3, 2), the processor of display module D (100-D) sets the ID of display module D (100-D) to 6 ((( 2-1)X3 +3).
- FIG. 10 is a diagram for explaining that IDs of a plurality of display modules in a modular display device according to an exemplary embodiment have been set.
- the modular display device 1000 determines the coordinate values of each display module and the number of display modules constituting the modular display device 1000. Based on the x-coordinate value of the 5 display modules 100-5, IDs corresponding to each display module may be set so as not to overlap.
- the processor 140 receives the y coordinate value of the fifth display module 100-5 from at least one of the third display module 100-3 and the fourth display module 100-4. If so, the ID of the display module can be identified based on Equation 2 provided below.
- ID is the ID of the display module
- Y is the y-coordinate value of the fifth display module 100-5
- x is the x-coordinate value of the display module
- y is the y-coordinate value of the display module.
- FIG. 11 is a diagram for explaining completion of ID setting of a plurality of display modules in a modular display device according to another embodiment of the present disclosure.
- the modular display device 1000 determines the coordinate values of each display module and the number of display modules constituting the modular display device 1000 Based on the y-coordinate value of the 5 display modules 100-5, IDs corresponding to each display module may be set so as not to overlap.
- each display module When coordinate values and ID settings of the plurality of display modules constituting the modular display device 1000 are completed, each display module outputs a specific part of an image corresponding to the coordinate value of each display module.
- each display module outputs a specific part of an image corresponding to the coordinate value of each display module.
- the control box 2000 transmits image information to the reference display module.
- the reference display module 200 transmits information indicating that coordinate setting and ID setting of all display modules have been completed to the control box 2000 .
- the reference display module 200 receives the coordinate values of the fifth display module 100-5, it is based on the coordinate values of the reference display module and the coordinate values of the fifth display module 100-5.
- the coordinate values of the fifth display module 100-5 are transmitted to the control box 2000 through a corresponding communication interface.
- image information may be transmitted to any one display module among a plurality of display modules instead of the reference display module 200 .
- the processor of the reference display module 200 transmits the corresponding image information to another display module.
- the processor is not a communication interface for I2C communication (for example, the first to third communication interfaces 110 to 130), but the reference display module 200 displays another display based on a different communication method or a separate video path.
- Video information can be transmitted to the module.
- Each display module 100 receiving the image information adjusts the resolution of the corresponding image to correspond to the arrangement of the entire display module group.
- FIG. 12 is a diagram illustrating a table used for image resolution adjustment according to an exemplary embodiment.
- resolution information according to a panel type may be stored in a memory of the display module 100 .
- the processor 140 of the display module 100 adjusts the resolution of the image based on the x coordinate information and the y coordinate information of the fifth display module 100-5 received through the third communication interface 130 do.
- the coordinates of the fifth display module 100 - 5 are identified as (5, 4).
- the panel type of each display module 100 constituting the modular display device 1000 is IW008J.
- the processor 140 adjusts the resolution of the image from 960 X 540 to 4800 X 2160 based on (5, 4), which is the coordinate value of the fifth display module 100-5.
- the processor 140 identifies pixel information of a specific region of the image corresponding to the region where the display module 100 is placed based on the coordinate values of the display module 100, and then displays the image based on the corresponding pixel information. print a part
- each display module 100 adjusts the resolution of the image to a resolution corresponding to the modular display device 1000 based on the identified coordinate value, and the image corresponding to the position where each display module 100 is disposed.
- FIG. 13 is a block diagram of a display module according to an exemplary embodiment.
- the display module 100 includes a first communication interface 110, a second communication interface 120, a third communication interface 130, and a display panel 150 including a processor 140, a communication unit 160 , sensor 170 and memory 180 . Since detailed descriptions of the first communication interface 110, the second communication interface 120, the third communication interface 130, and the processor 140 have been described above, they will be omitted.
- the display module 100 may output an image through the display panel 150 .
- the display panel 150 may include any suitable display panel such as a liquid crystal display (LCD) panel, an organic light emitting diodes (OLED) panel, a plasma display panel (PDP) panel, an inorganic LED panel, and a micro LED panel. , the embodiment is not limited thereto.
- the display module 100 may communicate with various external devices through the communication unit 160 using wireless communication technology or mobile communication technology.
- the display module 100 may transmit and receive image information from an external device or the control box 2000 through the communication unit 160 .
- the processor 140 adjusts the resolution of the received image information based on the coordinate values of the fifth display module 100-5, and displays a portion of the image corresponding to the position of the display module 100 on the display panel. It can be displayed through (150).
- the display module 100 may receive a start command for coordinate setting or ID setting from an external device or the control box 2000 through the communication unit 160 .
- Wireless communication technologies include, for example, Bluetooth, Bluetooth Low Energy, CAN (Controller Area Network) communication, Wi-Fi, Wi-Fi Direct, ultra-wideband Communication (UWB, ultrawide band), Zigbee, infrared communication (IrDA, Infrared Data Association), or NFC (Near Field Communication) may be included.
- CAN Controller Area Network
- Wi-Fi Wi-Fi Direct
- UWB ultra-wideband Communication
- Zigbee infrared communication
- IrDA Infrared Data Association
- NFC Near Field Communication
- mobile communication technologies 3GPP, Wi-Max ), LTE (Long Term Evolution), 5G, etc. may be included.
- the display module 100 may include a sensor 170.
- the sensor 170 may acquire various information related to the display module 100 .
- the processor 140 may identify the presence of a display module disposed adjacent to the display module by means of the sensor 170 . Through this, the processor 140 may immediately identify that coordinate setting of all display modules constituting the modular display device 1000 has been completed.
- the first direction is the left direction of the display module 100
- the second direction is the downward direction of the display module 100
- the third direction is the right direction of the display module 100
- the fourth direction is If it is assumed that the display module 100 is in an upward direction, the processor 140 identifies that the display module 100 is not disposed in the right direction and the upward direction of the display module 100 through the sensor 170, the preset It can be immediately identified that the coordinate setting of the entire display module group has been completed without identifying whether or not the Ack Signal has been received during the time. For example, the processor 140 may immediately identify that the display module 100 corresponds to the fifth display module 100 - 5 using the sensor 170 .
- An operating system (O/S) for driving the display module 100 may be stored in the memory 180 .
- a software program, command set, or application for operating the display module 100 may be stored in the memory 180 according to various embodiments.
- the memory 180 may store various types of information, such as various data input, set, or generated during the execution of a program, command set, or application.
- the memory 180 may store setting information about the first direction, the second direction, the third direction, and the fourth direction, and the memory 180 may store initial coordinate values of the display module 100. Information may also be stored. Also, table information for adjusting the resolution of an image may be stored in the memory 180 .
- FIG. 14 is a flowchart schematically illustrating a method of controlling a display module device constituting a modular display device according to an exemplary embodiment.
- the display module 100 is a modular display device through the first communication interface 110 for I2C communication with the first display module 100-1 located in the first direction of the display module 100.
- the x-coordinate value of the first display module 100-1 in (1000) is received from the first display module 100-1 (S210), and the second display module located in the second direction of the display module 100
- the y-coordinate value of the second display module 100-2 in the modular display device 1000 is converted into the second display module 100-2 through the second communication interface 120 for I2C communication with (100-2). 2) is received (S220).
- the display module 100 determines the x-coordinate value of the display module 100 and the received y-coordinate value of the display module 100 based on the received x-coordinate value of the first display module 100-1 and the y-coordinate value of the second display module 100-2. Identifying the y coordinate value (S230), and for I2C communication with the third display module 100-3 and the fourth display module 100-4 located in the third and fourth directions of the display module 100, respectively The identified x-coordinate value is transmitted to the third display module 100-3 through the third communication interface 130 (S240), and the identified y-coordinate value is transmitted through the third communication interface 130 It is transmitted to the fourth display module 100-4 (S250). A detailed description of this will be omitted since it has been described above through the display module 100 .
- 15 is a flowchart schematically illustrating a method of identifying a coordinate value of a display module based on an x coordinate value of a first display module and a y coordinate value of a second display module according to an embodiment.
- the display module 100 receives the x-coordinate value of the first display module 100-1 from the first display module 100-1 (S210), and the second display module 100-1 2) receives the y-coordinate value of the second display (S220), and the value obtained by adding the x-coordinate value received from the first display module 100-1 to the basic x-coordinate value of the display module 100 is converted to the display module ( 100) is identified as the x-coordinate value (S231), and the value obtained by adding the y-coordinate value received from the second display module 100-2 to the basic y-coordinate value of the display module 100 is y of the display module 100 It is identified as a coordinate value (S232).
- 16 is a flowchart schematically illustrating a method of identifying an ID corresponding to a display module based on an x-coordinate value or a y-coordinate value of a fifth display module and a coordinate value of a display module according to an embodiment.
- the display module 100 is configured in the modular display device through the third communication interface 130 from at least one of the third display module 100-3 and the fourth display module 100-4.
- the x coordinate or y coordinate value of the fifth display module 100-5 located at the corner is received (S260), and the x coordinate or y coordinate value of the fifth display module 100-5 and the x, y of the display module
- the ID of the display module is identified based on the coordinate values (S270).
- the display module 100 transmits the x-coordinate or y-coordinate value of the fifth display module 100-5 through the first communication interface 110. It is transmitted to the first display module 100-1 and to the second display module 100-2 through the second communication interface 120.
- steps S210 to S270 may be further divided into additional steps or combined into fewer steps, according to some embodiments. Also, some steps may be omitted if necessary, and the order of steps may be changed. In addition, even if other contents are omitted, the above-described contents of the display device of FIGS. 1 to 12 may be applied to the display control method of FIGS. 14 to 16 .
- the methods may be implemented in the form of an application installable in an existing display module.
- the methods may be implemented with only a software upgrade or hardware upgrade of an existing display module.
- various embodiments may be performed through an embedded server included in a display device or at least one external server.
- Various embodiments described above may be implemented in a recording medium readable by a computer or a similar device using software, hardware, or a combination thereof. In some cases, various embodiments may be implemented by the processor 140 itself. According to software implementation, embodiments such as procedures and functions described in this specification may be implemented as separate software modules. Each of the software modules may perform one or more functions and operations described herein.
- Computer instructions for performing processing operations of the display module 100 may be stored in a non-transitory computer-readable medium.
- Computer instructions stored in such a non-transitory computer readable medium when executed by a processor of a specific device, cause a specific device to perform a processing operation in the display module 100 according to various embodiments.
- a non-transitory computer-readable medium is not a medium that stores data for a short moment, such as a register, cache, or memory, but a medium that stores data semi-permanently and can be read by a device.
- the non-transitory computer readable medium may include a CD, DVD, hard disk, Blu-ray disk, USB, memory card, ROM, and the like.
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Abstract
Description
Claims (15)
- 복수의 디스플레이 모듈을 포함하는 모듈러 디스플레이 장치의 일 부분을 형성하는 디스플레이 모듈에 있어서,상기 복수의 디스플레이 모듈 중 상기 디스플레이 모듈에 대해 제1 방향에 배치된 제1 디스플레이 모듈과 I2C(Inter Integrated Circuit) 통신을 통해 통신하는 제1 통신 인터페이스;상기 복수의 디스플레이 모듈 중 상기 디스플레이 모듈에 대해 제2 방향에 배치된 제2 디스플레이 모듈과 I2C 통신을 통해 통신하는 제2 통신 인터페이스;상기 복수의 디스플레이 모듈 중 상기 디스플레이 모듈에 대해 각각 제3 및 제4 방향에 배치된 제3 및 제4 디스플레이 모듈과 I2C 통신을 통해 통신하는 제3 통신 인터페이스; 및상기 제1 디스플레이 모듈로부터 상기 제1 통신 인터페이스를 통해 상기 제1 디스플레이 모듈의 x 좌표 값을 수신하고, 상기 제2 디스플레이 모듈로부터 상기 제2 통신 인터페이스를 통해 상기 제2 디스플레이 모듈의 y 좌표 값을 수신하고, 상기 수신된 x 좌표 값 및 상기 수신된 y 좌표 값에 기초하여 상기 디스플레이 모듈의 x 좌표 값 및 y 좌표 값을 식별하고,상기 식별된 x 좌표 값을 상기 제3 통신 인터페이스를 통해 상기 제3 디스플레이 모듈로 전송하고, 상기 식별된 y 좌표 값을 상기 제3 통신 인터페이스를 통해 상기 제4 디스플레이 모듈로 전송하는 프로세서;를 포함하는 디스플레이 모듈.
- 제1항에 있어서,상기 디스플레이 모듈은 상기 제1 디스플레이 모듈, 상기 제2 디스플레이 모듈, 상기 제3 디스플레이 모듈 및 상기 제4 디스플레이 모듈 각각에 인접하고,상기 제1 방향은, 상기 복수의 디스플레이 모듈이 배치된 xy 평면의 x 축 상에서 상기 제3 방향과 반대 방향이고,상기 제2 방향은, 상기 xy 평면의 y 축 상에서 상기 제4 방향과 반대 방향인, 디스플레이 모듈.
- 제2항에 있어서,상기 프로세서는,상기 디스플레이 모듈의 기본 x 좌표 값에 상기 수신된 x 좌표 값을 더하여, 상기 디스플레이 모듈의 x 좌표 값을 식별하고, 상기 디스플레이 모듈의 기본 y 좌표 값에 상기 수신된 y 좌표 값을 더하여 상기 디스플레이 모듈의 y 좌표 값을 식별하는 디스플레이 모듈.
- 제3항에 있어서,상기 제1 방향은, 상기 디스플레이 모듈에 대해 좌측 방향이고,상기 제2 방향은, 상기 디스플레이 모듈에 대해 하측 방향이고,상기 제3 방향은, 상기 디스플레이 모듈에 대해 우측 방향이고,상기 제4 방향은, 상기 디스플레이 모듈에 대해 상측 방향인 디스플레이 모듈.
- 제3항에 있어서,상기 복수의 디스플레이 모듈의 기본 x 좌표 값들 및 기본 y 좌표 값들은, 동일한 디스플레이 모듈.
- 제5항에 있어서,상기 복수의 디스플레이 모듈 각각의 기본 x 좌표 값들은, 1이고,상기 복수의 디스플레이 모듈 각각의 기본 y 좌표 값들은, 1인 디스플레이 모듈.
- 제1항에 있어서,상기 프로세서는,상기 제3 디스플레이 모듈 및 상기 제4 디스플레이 모듈 중 적어도 하나로부터 상기 제3 통신 인터페이스를 통해 상기 모듈러 디스플레이 장치에서 모서리 부분에 배치된 제5 디스플레이 모듈의 x 좌표 값이 수신되면, 상기 제5 디스플레이 모듈의 x 좌표 값 및 상기 디스플레이 모듈의 x,y 좌표 값에 기초하여 상기 디스플레이 모듈의 ID를 식별하는 디스플레이 모듈.
- 제7항에 있어서,상기 프로세서는,다음의 수학식에 기초하여 상기 디스플레이 모듈의 ID를 식별하는 디스플레이 모듈:ID = (y-1) Х X + x여기에서, ID는 상기 디스플레이 모듈의 ID이고, X는 상기 제5 디스플레이 모듈의 x 좌표 값, x는 상기 식별된 디스플레이 모듈의 x 좌표 값 및 y는 상기 식별된 디스플레이 모듈의 y 좌표 값이다.
- 제7항에 있어서,상기 제5 디스플레이 모듈은,상기 제1 방향이 상기 디스플레이 모듈에 대해 좌측 방향이고 상기 제2 방향이 상기 디스플레이 모듈에 대해 하측 방향이고 상기 제3 방향이 상기 디스플레이 모듈에 대해 우측 방향이고 상기 제4 방향이 상기 디스플레이 모듈에 대해 상측 방향인 경우, 상기 복수의 디스플레이 모듈 중 상기 모듈러 디스플레이 장치의 최우상측에 배치된, 디스플레이 모듈인 디스플레이 모듈.
- 복수의 디스플레이 모듈을 포함하는, 모듈러 디스플레이 장치 내 디스플레이 모듈의 제어 방법에 있어서,I2C(Inter Integrated Circuit) 통신을 통해 통신하는 제1 통신 인터페이스를 통해 상기 모듈러 디스플레이 장치의 제1 디스플레이 모듈로부터 상기 제1 디스플레이 모듈의 x 좌표 값을 수신하는 단계;I2C 통신을 통해 통신하는 제2 통신 인터페이스를 통해 상기 모듈러 디스플레이 장치의 제2 디스플레이 모듈로부터 상기 제2 디스플레이 모듈의 y 좌표 값을 수신하는 단계;상기 수신된 x 좌표 값 및 상기 수신된 y 좌표 값에 기초하여 상기 디스플레이 모듈의 x 좌표 값 및 y 좌표 값을 식별하는 단계;I2C 통신을 통해 통신하는 제3 통신 인터페이스를 통해 상기 식별된 x 좌표 값을 상기 모듈러 디스플레이 장치의 제3 디스플레이 모듈로 전송하는 단계; 및상기 제3 통신 인터페이스를 통해, 상기 식별된 y 좌표 값을 상기 제3 통신 인터페이스를 통해 상기 모듈러 디스플레이 장치의 제4 디스플레이 모듈로 전송하는 단계를 포함하고,상기 제1 디스플레이 모듈은 상기 디스플레이 모듈에 대해 제1 방향에 배치되고,상기 제2 디스플레이 모듈은 상기 디스플레이 모듈에 대해 제2 방향에 배치되고,상기 제3 디스플레이 모듈은 상기 디스플레이 모듈에 대해 제3 방향에 배치되고,상기 제4 디스플레이 모듈은 상기 디스플레이 모듈에 대해 제4 방향에 배치되는, 방법.
- 제10항에 있어서,상기 디스플레이 모듈은, 상기 제1, 제2, 제3 및 제4 디스플레이 모듈 각각과 인접하고,상기 제1 방향은, 상기 복수의 디스플레이 모듈이 배치된 xy 평면의 x 축 상에서 상기 제3 방향과 반대 방향이고,상기 제2 방향은, 상기 xy 평면의 y 축 상에서 상기 제4 방향과 반대 방향인, 방법.
- 제10항에 있어서,상기 디스플레이 모듈의 x 좌표 값 및 y 좌표 값을 식별하는 단계는,상기 디스플레이 모듈의 x 좌표 값을 식별하기 위하여, 상기 디스플레이 모듈의 기본 x 좌표 값에 상기 제1 디스플레이 모듈로부터 수신된 x 좌표 값을 더하는 단계; 및상기 디스플레이 모듈의 y 좌표 값을 식별하기 위하여, 상기 디스플레이 모듈의 기본 y 좌표 값에 상기 제2 디스플레이 모듈로부터 수신된 y 좌표 값을 더하는 단계를 포함하는, 방법.
- 제12항에 있어서,상기 제1 방향은, 상기 디스플레이 모듈에 대해 좌측 방향이고,상기 제2 방향은, 상기 디스플레이 모듈에 대해 하측 방향이고,상기 제3 방향은, 상기 디스플레이 모듈에 대해 우측 방향이고,상기 제4 방향은, 상기 디스플레이 모듈에 대해 상측 방향인, 방법.
- 제12항에 있어서,상기 복수의 디스플레이 모듈의 기본 x 좌표 값들 및 기본 y 좌표 값들은 동일한, 방법.
- 제5항에 있어서,상기 복수의 디스플레이 모듈의 기본 x 좌표 값들은, 1이고,상기 복수의 디스플레이 모듈의 기본 y 좌표 값들은, 1인, 방법.
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| EP22890099.9A EP4336340A4 (en) | 2021-11-02 | 2022-04-13 | DISPLAY DEVICE AND CONTROL METHOD THEREOF |
| CN202280047152.XA CN117597662A (zh) | 2021-11-02 | 2022-04-13 | 显示设备及其控制方法 |
| US17/841,603 US11972168B2 (en) | 2021-11-02 | 2022-06-15 | Display device and controlling method thereof |
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| KR1020210149071A KR20230063716A (ko) | 2021-11-02 | 2021-11-02 | 디스플레이 모듈 및 그 제어 방법 |
| KR10-2021-0149071 | 2021-11-02 |
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| US17/841,603 Continuation US11972168B2 (en) | 2021-11-02 | 2022-06-15 | Display device and controlling method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005115367A (ja) * | 2003-09-22 | 2005-04-28 | Taida Electronic Ind Co Ltd | ディスプレイの符号を設定するためのシステム、装置及び方法 |
| JP2011257540A (ja) * | 2010-06-08 | 2011-12-22 | Sharp Corp | マルチ・ディスプレイ・システム、画像表示方法、及びディスプレイ装置 |
| JP2012185297A (ja) * | 2011-03-04 | 2012-09-27 | Sharp Corp | マルチディスプレイシステム、情報処理端末装置、情報処理方法及びコンピュータプログラム |
| KR101632572B1 (ko) * | 2009-11-25 | 2016-07-01 | 삼성전자 주식회사 | 비디오 월 디스플레이시스템 |
| KR20200121182A (ko) * | 2019-04-15 | 2020-10-23 | 삼성전자주식회사 | 월(wall) 디스플레이를 구성하는 디스플레이 장치 및 이의 제어 방법 |
-
2021
- 2021-11-02 KR KR1020210149071A patent/KR20230063716A/ko active Pending
-
2022
- 2022-04-13 WO PCT/KR2022/005339 patent/WO2023080360A1/ko not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005115367A (ja) * | 2003-09-22 | 2005-04-28 | Taida Electronic Ind Co Ltd | ディスプレイの符号を設定するためのシステム、装置及び方法 |
| KR101632572B1 (ko) * | 2009-11-25 | 2016-07-01 | 삼성전자 주식회사 | 비디오 월 디스플레이시스템 |
| JP2011257540A (ja) * | 2010-06-08 | 2011-12-22 | Sharp Corp | マルチ・ディスプレイ・システム、画像表示方法、及びディスプレイ装置 |
| JP2012185297A (ja) * | 2011-03-04 | 2012-09-27 | Sharp Corp | マルチディスプレイシステム、情報処理端末装置、情報処理方法及びコンピュータプログラム |
| KR20200121182A (ko) * | 2019-04-15 | 2020-10-23 | 삼성전자주식회사 | 월(wall) 디스플레이를 구성하는 디스플레이 장치 및 이의 제어 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20230063716A (ko) | 2023-05-09 |
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