KR20160134134A - Large-screen display control apparatus using a touch screen based on the sub-display and a method therefor - Google Patents

Large-screen display control apparatus using a touch screen based on the sub-display and a method therefor Download PDF

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Publication number
KR20160134134A
KR20160134134A KR1020150067638A KR20150067638A KR20160134134A KR 20160134134 A KR20160134134 A KR 20160134134A KR 1020150067638 A KR1020150067638 A KR 1020150067638A KR 20150067638 A KR20150067638 A KR 20150067638A KR 20160134134 A KR20160134134 A KR 20160134134A
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KR
South Korea
Prior art keywords
screen
data
display
sub
present
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Application number
KR1020150067638A
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Korean (ko)
Inventor
하정락
정영호
김순철
최범석
홍진우
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한국전자통신연구원
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Priority to KR1020150067638A priority Critical patent/KR20160134134A/en
Publication of KR20160134134A publication Critical patent/KR20160134134A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42224—Touch pad or touch panel provided on the remote control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/4722—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting additional data associated with the content
    • H04N2005/443—

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Databases & Information Systems (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The present invention relates to an apparatus and method for controlling a large screen using a sub-display based on a touch screen, and it may include a sub-display interlocking unit, a screen adjusting unit, and a touch data processing unit. And it is an object of the present invention to provide a control device and a control method capable of smoothly receiving a variety of services provided in a large screen display by controlling a large screen display at a long distance using a sub display.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a large-screen display control apparatus using a touch screen based sub-display and a method therefor,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a large-screen display control apparatus, and more particularly, to a large-screen display apparatus, in which a user is limited in touching a display panel in close proximity to a display, To a device and method for allowing a user to perform a large screen display control.

Recently, TV service provides users with a choice to provide various types of services, but it is not easy to utilize these services with existing remote control interfaces.

Thus, there are methods of providing a remote control interface using a smartphone or a tablet, but these are not effective solutions since they are only implemented with software as a remote control function.

In addition, since the conventional touch screen technology is applied to these large-screen displays in order to control the display, which is a tendency to increase in size, the viewer must be located close enough to reach the large-screen display, do.

It is an object of the present invention to provide a control device and a control method capable of smoothly receiving various services provided in a large screen display by controlling a large screen display remotely by using a sub display supporting a touch screen interface of a user, There is a purpose.

According to an embodiment of the present invention, a controller for controlling a large screen using a sub-display based on a touch screen receives a connection request signal from an external terminal, registers the external terminal transmitting the connection request signal as a sub-display to generate registration information A sub-display interlocking unit for transmitting a connection response signal including the registration information; Transmits at least one screen data according to the screen configuration to the sub display corresponding to the received registration information and adjusts the screen configuration according to the screen ratio or screen data transmission rate information included in the received screen environment adjustment data A screen adjusting unit for converting received screen data according to the screen data control signal according to the adjusted screen environment setting and transmitting the converted screen data; And a touch data processor for converting the received touch data into the screen data control signal and transmitting the converted screen data control signal.

1 is a diagram illustrating a plurality of large-screen displays and a plurality of users according to an exemplary embodiment of the present invention.
FIG. 2 is a diagram illustrating a configuration included in a large-screen display and a sub-display according to an embodiment of the present invention.
3 is a block diagram of a large screen display control apparatus using a touch screen based sub display according to an embodiment of the present invention.
4 is a diagram illustrating a flow of data between a large-screen display control apparatus and a sub-display according to an embodiment of the present invention.
FIG. 5 is a diagram illustrating changing screen data in a large screen display control apparatus according to an exemplary embodiment of the present invention in accordance with a screen configuration.
6 is a diagram illustrating a format of a frame included in screen data according to an exemplary embodiment of the present invention.
7A is a diagram showing an embodiment for converting resolution using an I frame and a P frame.
FIG. 7B is a diagram illustrating an embodiment for converting resolution using a method of periodically selecting frames.
8 is a diagram illustrating transmission of screen data to a sub-display in a large screen display control apparatus according to an exemplary embodiment of the present invention.
9A is a diagram illustrating transmission of screen environment adjustment data according to an embodiment of transmitting screen environment adjustment data according to the capacity of the decoding buffer of the present invention.
9B is a diagram illustrating transmission of screen environment adjustment data according to an embodiment of transmitting screen environment adjustment data according to the capacity of the output buffer of the present invention.
10 is a flowchart illustrating a method of controlling a large screen display using a touch screen based sub-display according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise.

Hereinafter, an apparatus and method for controlling a large screen display using a touch screen-based sub-display according to an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a diagram illustrating a plurality of large-screen displays 10 and a plurality of users according to an embodiment of the present invention.

Referring to FIG. 1, it is shown that a plurality of users control a plurality of large-screen displays 10 by transmitting control signals.

Herein, a method of connecting a control signal through a conventional remote controller, a method of transmitting a control signal through a virtual remote controller implemented in a computing device such as a smart phone or a PC, And a method of controlling by inputting a control signal may be used. However, the present invention is not limited thereto.

According to an exemplary embodiment of the present invention, the large-screen display 10 may be a smart TV, a beam projector, a computer monitor, etc., and may perform various functions through a certain computing power. have.

FIG. 2 is a diagram illustrating a configuration included in a large-screen display and a sub-display according to an embodiment of the present invention.

Referring to FIG. 2, the large screen display 10 according to an exemplary embodiment of the present invention may include a management module, a communication module, a decoding buffer, a decoder, an output buffer, and an output module.

The management module may receive a signal for controlling each function of the large screen display and thereby provide the multimedia data to be output to the output module.

The output module can convert the multimedia data transmitted from the management module into time or voice data and output it to the user.

The communication module supports connection with another terminal either wirelessly or wirelessly, and can transmit and receive data through it.

The decoder functions to return the coded signal to its original form and to decode the multimedia data to be transmitted and received.

The decoding buffer may refer to a memory area that functions to compensate for a difference between a transmission speed or a processing speed of both devices for transmission to another device connected through a communication module, or a storage device implementing the memory area.

At this time, the buffer may be defined as a memory area used for the purpose of satisfactorily combining the data transfer speed and the processing speed difference between the two devices when data is transferred from one device to another.

The output buffer may have a function of compensating for the difference between the processing speed of the output module and the processing speed of the management module in order to be output to the user through the output module.

Referring to FIG. 2, the sub-display 20 may include a management module, a communication module decoding buffer, a decoder, an output buffer, and an output module, and may further include a touch processing module.

According to an embodiment of the present invention, the sub-display 20 may include a touch interface installed and a touch panel mounted thereon, so that the user can receive input values from the user by touching the display.

According to an embodiment of the present invention, the management module, the communication module decoding buffer, the decoder, the output buffer, and the output module of the sub display 20 are connected to a management module of the large screen display 10, a communication module decoding buffer, As shown in FIG.

According to an embodiment of the present invention, the touch processing module may generate a control signal capable of controlling a display using an input value obtained by a user touching a certain portion of the display.

3 is a block diagram of a large screen display control apparatus 1000 using a touch screen based sub display according to an embodiment of the present invention.

The large screen display control apparatus 1000 may include a sub display connection unit 100, a screen adjustment unit 200, and a touch data processing unit 300.

According to an embodiment of the present invention, the large screen display control apparatus 1000 may exist separately, but not limited thereto, and may be included therein.

According to an embodiment of the present invention, the apparatus 1000 for controlling a large screen may be located inside the large-screen display 10, but the present invention is not limited thereto and may be located outside if data can be transmitted and received.

The sub-display interworking unit 100 receives the connection request signal from the external terminal, registers the external terminal that has transmitted the connection request signal with the sub-display 20 to generate registration information, and outputs a connection response signal including the registration information Can be transmitted.

Here, the connection request signal and the connection response signal may be signals including information requesting that an external terminal is connected to a large-screen display and transmitting / receiving data or signals to each other. The large-screen display 10 and the sub- And can be generated as a general-purpose code that can be read in a general manner.

In addition, according to an embodiment of the present invention, the connection request signal may include information on a video processing capability of a corresponding terminal, such as a frame rate of the sub display 20 that transmitted the signal.

Also, according to an embodiment of the present invention, the connection request signal may include information on a priority order, and a plurality of sub displays 20 are connected to one large screen display control apparatus 1000 using the priority information It is possible to decide which command to follow first when an incompatible command is delivered at the same time or at the same time.

The screen adjustment unit 200 transmits at least one screen data according to the screen configuration preset in the sub display 20 corresponding to the received registration information or stored in the screen ratio or screen data transmission rate included in the connection request information , Adjusts the screen environment setting according to the screen ratio or the screen data transmission rate information included in the received screen environment adjustment data, and converts the received screen data according to the screen data control signal to transmit the converted screen environment setting have.

Here, the screen data may mean image data provided by the large-screen display 10 or data obtained by dividing such image data for transmission.

According to an embodiment of the present invention, the screen data may be a plurality of data including a plurality of packets, and in the case of a plurality of screens, the screen data transmitting step may be continued until all necessary screen data are transmitted.

According to an embodiment of the present invention, the screen environment adjustment data may include data input from a user via the sub display 20 or a setting value for a screen ratio or a resolution determined according to a predetermined algorithm.

Here, a predetermined algorithm according to an embodiment of the present invention will be described in more detail with reference to FIGS. 8, 9A and 9B.

According to one embodiment of the present invention, adjusting the screen preference may use a method of updating the screen preference value for the screen ratio and resolution already stored to an input value for the screen ratio or resolution included in the screen preference data have.

According to the embodiment of the present invention, the screen data control signal can be generated by the touch data processing unit 300 and means that the touch data received from the sub display 20 is converted into a control signal for controlling transmission of screen data .

According to the above embodiment, the screen data transmitted to the screen adjusting unit 200 according to the screen data control signal from the management module of the large screen display 10 can be converted according to the screen configuration and transmitted to the sub display 20.

The method of converting the screen data according to the screen environment setting will be described in detail with reference to FIG.

The touch data processing unit 300 can convert the received touch data into a screen data control signal and transmit the converted control signal.

The touch data according to an exemplary embodiment of the present invention may include data including a touch input value received from a user through the sub display 20.

According to an embodiment of the present invention, the conversion of the received touch data into the screen data control signal includes deriving a plurality of commands corresponding to the signals input from the sub-display by touch using the plurality of touch data, So as to generate a screen data control signal capable of controlling transmission and reception of screen data.

At this time, according to an embodiment of the present invention, the touch data transmitted from the sub display 20 to the large screen display control apparatus 1000 is generated through mapping to a screen size in order to provide information on the touch input of the user .

4 is a diagram illustrating a flow of data between the apparatus for controlling a large screen display 1000 and sub-displays according to an embodiment of the present invention.

Referring to FIG. 4, it is shown that the large display control apparatus 1000 and the sub display 20 exchange data with each other.

The large screen display control apparatus 1000 can receive the connection request data from the sub display 20. [

At this time, the connection request data may include information on the image processing capability of the sub display 20, such as the frame rate or the resolution of the screen data.

According to an embodiment of the present invention, the apparatus for controlling large-screen display 1000 receiving the connection request data registers the sub-display 20 and sends the connection response data including the generated registration information and / And transmits it to the display 20 to connect the two devices.

After the connection, the large screen display control apparatus 1000 can convert the screen data according to a screen configuration value preset or included in the connection request data and transmit the screen data to the sub display 20.

According to an embodiment of the present invention, the sub-display may receive the screen environment adjustment data to update the stored screen environment settings, and then convert the screen data according to the updated screen environment settings, 20).

According to an embodiment of the present invention, at least one touch data including a touch command input by a user is received from the sub display 20, and the received touch data is integrated and analyzed to generate a screen data control signal, Transmission can be controlled.

FIG. 5 is a diagram illustrating changing screen data in a large screen display control apparatus according to an exemplary embodiment of the present invention in accordance with a screen configuration.

Referring to FIG. 5, the resolution of the screen data according to the screen environment setting of the large screen display control apparatus 1000 is X0 and Y0, respectively, and the resolution of the screen data according to the screen environment adjustment data provided by the sub display 1 is The resolution of the screen data according to the screen environment adjustment data provided by X1, Y1, and Subdisplay 2, respectively, can be defined as X2 and Y2, respectively.

 According to the embodiment of the present invention, the large-screen display control apparatus 1000 changes the resolution of X0 and Y0 information to X1 and Y1, respectively, and the information of the sizes of X0 and Y0 to the sub- Screen data can be transmitted by changing the resolution to X2 and Y2.

Here, according to the embodiment of the present invention, the resolution is changed by reducing the number of frames requiring high image processing capability in the frame processing included in the screen data and reducing the number of frames so that the processing can be performed even with a relatively low image processing capability A method of changing the frame rate to a lower value can be used.

According to another embodiment of the present invention, a frame rate may be changed by selecting only a part of frames from a plurality of frames and transmitting the frame data as screen data to convert the frame rate to a lower frame rate. A method of selecting only a frame corresponding to a preset condition without limitation, and a method of selecting a certain frame can be used without limitation.

 A method of changing resolution according to the embodiment will be described in detail with reference to FIG. 6 and 7a and 7b.

6 is a diagram illustrating a format of a frame included in screen data according to an exemplary embodiment of the present invention.

Referring to FIG. 6, a frame included in screen data may include an I frame and a P frame B frame.

An I frame is a frame that is the most basic frame, and can be decoded regardless of the preceding and following frames, and can be decoded by only information in the current image.

The P frame may refer to a frame that calculates an error between a previous frame and a current frame and displays information whose error is greater than a preset threshold value with the corresponding block of the previous frame. Decoding is possible.

The B frame is the same compression process as the P frame, but displays the error information not only with the previous frame but also with the next frame. It is impossible to decode the same as the P frame alone, This is possible.

7A is a diagram showing an embodiment for converting resolution using an I frame and a P frame.

Referring to FIG. 7A, it is possible to convert resolution by selecting only I frames and transmitting them.

According to an embodiment of the present invention, only an I frame can be selected and transmitted in order to lower the resolution, so that only a selected I frame from the decoding buffer through the large screen display control apparatus 1000 is directly displayed on the sub display 20 The delay of the screen in the sub display 20 can be minimized.

FIG. 7B is a diagram illustrating an embodiment for converting resolution using a method of periodically selecting frames.

According to an embodiment of the present invention, only the I frame may be selected and transmitted to the sub display 20 through the large screen display control apparatus 1000 among the frames existing in the decoding buffer of the large screen display 10.

Thus, the delay in the processing of the screen data in the sub display 20 can be minimized by transmitting the data directly from the decoding buffer to the sub display 20 without going through a decoding step.

According to an embodiment of the present invention, if the high frame rate of the large screen display 10 is transmitted to the sub display 20 as it is and the sub display 20 can not process the high frame rate, The frame rate can be controlled according to the capability.

8 is a diagram illustrating transmission of screen data to a sub-display in the apparatus for controlling large-screen display 1000 according to an exemplary embodiment of the present invention.

Referring to FIG. 8, FO may be set to the basic frame rate (frame / sec) of screen data provided by the large screen display 10, and the initial value of fN may be set to zero.

At this time, the FO of the screen data may have various values such as 8, 24, 30, 33, and 60 depending on the type of multimedia provided by the large screen display 10.

The FN may refer to a frame rate that the sub-display 20 can process, and the FN may be received from the user via the sub-display 20 or may be set to a predetermined value.

According to an embodiment of the present invention, the original frame number fO of the screen data provided from the large screen display 10 through the display control apparatus 1000 may start from 1, but is not limited thereto, Can also be started.

According to the embodiment, the large screen display control apparatus 1000 can send screen data including the frame to the sub display 20 for a frame in which fO mod [FO / FN] is zero among a plurality of frames .

Where mod is the remainder when A is divided by B when (A mod B), and [C] is the natural number closest to C and can be a rounding operator.

 At this time, it is possible to increase the frame number fN used for transmission to the sub display 20 by 1 and to transmit the frame contents of the fO number as the frame contents of the fN number to the sub display 20, ) Receives the screen environment adjustment data from the sub-display 20, it can modify the FN according to the contents of the screen environment adjustment data.

9A is a diagram illustrating transmission of screen environment adjustment data according to an embodiment of transmitting screen environment adjustment data according to the capacity of the decoding buffer of the present invention.

According to an embodiment of the present invention, the frame transmission rate (FN) in FIG. 8 can be set by including image processing capability information in the connection request data of the sub display 20.

However, according to another embodiment, since the sub-display 20 may vary the image processing capability depending on the state of the current process, such as when a complex application program is being executed in the sub-display 20, The frame transmission rate FN including the image processing capability information can be set.

According to an embodiment of the present invention, the fN frame can be received from the large display 10 through the large display control device 1000 in the sub display 20, and the received frame can be moved to the decoding buffer.

If the capacity of the decoding buffer of the sub display 20 is full, the screen data is transmitted at a frame rate higher than the video processing capability of the sub display 20, so that a command for decreasing the frame transmission rate to the large display controller 1000 Can transmit the screen environment adjustment data including the data.

On the other hand, if the capacity of the decoding buffer of the sub display 20 is vacant than a predetermined level, the screen data is transmitted at a frame transmission rate lower than that of the sub display 20, It is possible to transmit screen environment adjustment data including an instruction to increase the frame transmission rate.

9B is a diagram illustrating transmission of screen environment adjustment data according to an embodiment of transmitting screen environment adjustment data according to the capacity of the output buffer of the present invention.

According to the second embodiment of the present invention, a frame to be decoded can be fetched from a decoding buffer and decoded by a decoder and then transmitted to an output buffer. If the output buffer is full, a frame rate higher than that of the sub- Since the screen data is transmitted, it is possible to transmit the screen environment adjustment data including the command to lower the frame transmission rate to the large screen display control apparatus 1000.

On the other hand, if the output buffer is vacant than a predetermined level, the screen data is transmitted at a frame transmission rate lower than the image processing capability of the sub display 20. Therefore, the screen display control apparatus 1000 may include a screen Environment adjustment data can be transmitted.

According to the embodiments shown in FIGS. 9A and 9B, the condition for transmitting the screen environment adjustment data including the above-mentioned specific information can transmit the screen environment adjustment data as soon as the condition is satisfied, but the present invention is not limited thereto. The screen environment adjustment data may be transmitted when the number of times exceeds a predetermined number.

In addition, one embodiment shown in Figs. 9A and 9B may be implemented as described above, and only one embodiment may be implemented.

10 is a flowchart illustrating a method of controlling a large screen display using a touch screen based sub-display according to an embodiment of the present invention.

A connection request signal is received from an external terminal (S10).

According to an exemplary embodiment of the present invention, the connection request signal may include information on the image processing capability of the terminal, such as the frame rate of the sub-display 20 that transmitted the signal.

Also, according to an embodiment of the present invention, the connection request signal may include information on a priority order, and a plurality of sub displays 20 are connected to one large screen display control apparatus 1000 using the priority information It is possible to decide which command to follow first when an incompatible command is delivered at the same time or at the same time.

The external terminal that has transmitted the connection request signal is registered as a sub-display (S20).

Here, the external terminal may refer to a terminal device equipped with a touch screen panel and capable of a network equipped with a touch interface.

Generates registration information, and transmits a connection response signal including registration information (S30).

Here, the connection request signal and the connection response signal may be signals including information requesting that an external terminal is connected to a large-screen display and transmitting / receiving data or signals to each other. The large-screen display 10 and the sub- And can be generated as a general-purpose code that can be read in a general manner.

Screen data is transmitted to the sub display according to the screen environment setting (S40).

According to an exemplary embodiment of the present invention, at least one screen data may be transmitted according to a screen configuration preset in the sub display 20 or stored in a screen ratio or screen data transmission rate included in connection request information.

The screen environment setting is updated according to the received screen environment adjustment data (S50).

The screen environment setting can be updated and adjusted according to the screen ratio or the screen data transmission rate information included in the received screen environment adjustment data.

Here, the screen data may mean image data provided by the large-screen display 10 or data obtained by dividing such image data for transmission.

According to an embodiment of the present invention, the screen data may be a plurality of data including a plurality of packets, and in the case of a plurality of screens, the screen data transmitting step may be continued until all necessary screen data are transmitted.

According to an embodiment of the present invention, the screen environment adjustment data may include data input from a user via the sub display 20 or a setting value for a screen ratio or a resolution determined according to a predetermined algorithm.

According to one embodiment of the present invention, adjusting the screen preference may use a method of updating the screen preference value for the screen ratio and resolution already stored to an input value for the screen ratio or resolution included in the screen preference data have.

Touch data is received (S60).

The touch data according to an exemplary embodiment of the present invention may include data including a touch input value received from a user through the sub display 20.

According to an embodiment of the present invention, the touch data transmitted from the sub display 20 to the large screen display control apparatus 1000 is generated through mapping to a screen size to provide information on the touch input of the user .

A screen data control signal is generated using the received touch data (S70).

According to an embodiment of the present invention, the conversion of the received touch data into the screen data control signal includes deriving a plurality of commands corresponding to the signals input from the sub-display by touch using the plurality of touch data, So as to generate a screen data control signal capable of controlling transmission and reception of screen data.

Screen data corresponding to the screen data control signal is received (S80).

According to the embodiment of the present invention, the screen data control signal may be generated in the touch data control unit 300, and the touch data received from the sub display 20 may be converted into a control signal for controlling the transmission of the screen data.

The received screen data is converted according to the updated screen configuration (S90).

According to an embodiment of the present invention, the screen data transmitted from the management module of the large screen display 10 to the screen adjustment unit 200 according to the screen data control signal may be converted according to the screen configuration and transmitted to the sub display 20 have.

According to the above embodiment, the method described in Fig. 5 can be used as a method of converting the screen data according to the screen configuration.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, Various modifications and improvements of those skilled in the art using the basic concept of the present invention are also within the scope of the present invention.

100: sub display interlock part 200: screen adjustment part
300: touch data processing unit 1000: large screen display control device

Claims (1)

A sub-display interlocking unit receiving a connection request signal from an external terminal, registering an external terminal transmitting the connection request signal with a sub-display to generate registration information, and transmitting a connection response signal including the registration information;
Transmits at least one screen data according to the screen configuration to the sub display corresponding to the received registration information and adjusts the screen configuration according to the screen ratio or screen data transmission rate information included in the received screen environment adjustment data A screen adjusting unit for converting received screen data according to the screen data control signal according to the adjusted screen environment setting and transmitting the converted screen data; And
And a touch data processor for converting the received touch data into the screen data control signal and transmitting the converted screen data control signal.
KR1020150067638A 2015-05-14 2015-05-14 Large-screen display control apparatus using a touch screen based on the sub-display and a method therefor KR20160134134A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180097072A (en) 2017-02-22 2018-08-30 서경대학교 산학협력단 Touch position processing apparatus and display module with the same
KR102166684B1 (en) 2019-04-30 2020-10-16 서경대학교 산학협력단 Touch position processing apparatus and display apparatus with the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180097072A (en) 2017-02-22 2018-08-30 서경대학교 산학협력단 Touch position processing apparatus and display module with the same
KR102166684B1 (en) 2019-04-30 2020-10-16 서경대학교 산학협력단 Touch position processing apparatus and display apparatus with the same

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