WO2021040180A1 - Dispositif d'affichage et procédé de commande associé - Google Patents

Dispositif d'affichage et procédé de commande associé Download PDF

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Publication number
WO2021040180A1
WO2021040180A1 PCT/KR2020/005005 KR2020005005W WO2021040180A1 WO 2021040180 A1 WO2021040180 A1 WO 2021040180A1 KR 2020005005 W KR2020005005 W KR 2020005005W WO 2021040180 A1 WO2021040180 A1 WO 2021040180A1
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WO
WIPO (PCT)
Prior art keywords
touch
thickness
display
image
writing
Prior art date
Application number
PCT/KR2020/005005
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English (en)
Korean (ko)
Inventor
김태형
최현철
Original Assignee
삼성전자(주)
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Publication of WO2021040180A1 publication Critical patent/WO2021040180A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03545—Pens or stylus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry

Definitions

  • the present invention relates to a display device and a control method thereof, and more particularly, to a display device that detects and displays handwriting by a touch on a screen, and a control method thereof.
  • the display device can perform the function of an electronic blackboard capable of touch input using an input means such as a pointing device or a finger on the screen.
  • the display device When the display device performs the function of the electronic board, the display device may be set to detect a touch only with a dedicated writing implement. This is because if there is no such limitation, it may not be easy to distinguish which part is a valid input due to indiscriminate touch sensing, such as recognizing it as an input even when a hand touches the display while writing.
  • An object of the present invention is to provide a display device and a method for controlling the same that senses a touch to use a new writing instrument in order to solve the limitations of the prior art.
  • a display device includes a display having a screen capable of displaying an image; A sensor capable of detecting a touch on the screen; Based on the fact that the width of the touch is the first thickness of the writing implement, the display is controlled to display an image of the handwriting according to the movement of the touch, and based on the fact that the width of the touch is a second thickness other than the writing instrument, the second It is identified whether or not the touch of the second thickness indicates the addition of the writing instrument, and based on the fact that the touch of the second thickness indicates the addition of the writing instrument, the image of the handwriting according to the movement of the touch of the second thickness And a processor that controls the display to be displayed.
  • the processor controls the display to display a handwriting image according to the movement of the touch of the third thickness, based on the fact that the touch width is greater than the first thickness and is a predetermined third thickness.
  • the processor controls the display to delete the displayed handwriting image according to the movement of the touch of the second thickness, based on the fact that the touch of the second thickness does not indicate the addition of the writing implement.
  • the processor controls the display so that the image of the handwriting is not displayed according to the movement of the touch of the first thickness.
  • the processor controls the display so that the image of the handwriting is not displayed according to the movement of the touch of the second thickness, based on that the touch is a form indicating deletion of the writing instrument.
  • the processor may display an image of the handwriting according to the movement of the touch of the second thickness, and then, based on the fact that the touch of the first thickness represents the addition of the writing instrument, the touch of the second thickness
  • the display is controlled so that the image of handwriting is not displayed according to the movement.
  • the processor controls the display to display a handwriting image according to the movement of the touch of the second thickness, based on the fact that the touch sensed in the predetermined area of the display indicates the addition of the writing instrument.
  • the processor identifies that the touch of the second thickness is a form indicating the addition of the writing instrument based on the pattern in which the touch of the second thickness is repeated.
  • a user input receiving unit capable of receiving a user input
  • the processor based on the received user input indicating the addition of a writing instrument, the image of the handwriting according to the movement of the touch of the second thickness Control the display to be displayed.
  • the processor controls the display to display a user interface (UI) for adding the writing instrument, and displays an image of the handwriting according to the movement of the touch of the second thickness based on a user input through the UI. Control it as much as possible.
  • UI user interface
  • the UI includes an item related to setting of the added writing implement, and the processor performs setting of the added writing implement based on a user input through the UI item.
  • the processor allocates the writing instruments of the first thickness and the writing instruments of the second thickness to a plurality of layers independent from each other, and an image of the handwriting according to the movement of the touch by each of the writing instruments is allocated to each of the allocated layers. Control to be displayed.
  • a method for controlling a display device includes: sensing a touch on a screen; Displaying an image of the handwriting according to the movement of the touch based on the width of the touch being the first thickness of the writing implement; Identifying whether or not the touch of the second thickness indicates the addition of the writing instrument based on the fact that the width of the touch is a second thickness other than the writing instrument; And displaying a handwriting image according to the movement of the touch of the second thickness, based on the fact that the touch of the second thickness is a form indicating the addition of the writing implement.
  • the width of the touch is larger than the first thickness and is a predetermined third thickness, displaying an image of the handwriting according to the movement of the touch of the third thickness.
  • the image of the handwriting according to the movement of the touch of the second thickness is based on the fact that the touch of the first thickness is a form indicating the addition of a writing instrument. It further includes the step of suppressing the display.
  • the step of identifying whether the writing implement is a form indicating the addition of the writing implement may include identifying that the touch of the second thickness is a form indicating the addition of the writing implement based on the pattern in which the touch of the second thickness is repeated. Include more.
  • the step of displaying an image of the handwriting according to the movement of the touch of the second thickness is based on the received user input indicating the addition of the writing instrument.
  • UI user interface
  • a new writing implement can be added with only a simple touch input, so that the user can use other means than the dedicated writing implement. I can take notes.
  • FIG. 1 is an example of a display device according to an embodiment of the present invention.
  • FIG. 2 is a block diagram showing the configuration of a display device according to an embodiment of the present invention.
  • FIG. 3 is a flowchart illustrating a method of controlling a display device according to an embodiment of the present invention.
  • FIG. 4 is a flowchart illustrating a method of controlling a display device according to an embodiment of the present invention.
  • FIG. 5 is a diagram illustrating touches by writing instruments having different touch widths in a display device according to an exemplary embodiment of the present invention.
  • FIG. 6 is a diagram illustrating a table of information indicating the thickness of a writing instrument according to an embodiment of the present invention.
  • FIG. 7 is a diagram illustrating a touch form indicating addition of a writing instrument according to an embodiment of the present invention.
  • FIG. 8 is a diagram illustrating an example of adding a writing implement according to an embodiment of the present invention.
  • FIG. 9 is a view showing another example showing the addition of a writing instrument according to an embodiment of the present invention.
  • FIG. 10 is a view showing another example showing the addition of a writing instrument according to an embodiment of the present invention.
  • FIG. 11 is a diagram illustrating a user interface for adding a writing instrument according to an embodiment of the present invention.
  • FIG. 12 is a diagram illustrating a user interface for setting an added writing instrument according to an embodiment of the present invention.
  • FIG. 13 is a diagram illustrating another example of a table of information indicating a thickness of a writing instrument according to an embodiment of the present invention.
  • FIG. 1 is an example of a display device according to an embodiment of the present invention.
  • the display device 100 is implemented as a touch screen device capable of touching the screen of the display 110 displaying an image using a predetermined writing implement 120 as shown in FIG. 1.
  • the display apparatus 100 may be implemented as an interactive whiteboard (IWB) capable of receiving various touch inputs such as handwriting input from a user, but a specific implementation method is not limited. That is, the display device 100 includes various types of touch screen devices capable of a touch input by the writing implement 120 on the screen in addition to the electronic board, for example, a TV, a monitor, a video wall, and a smart device such as a tablet. It can also be implemented with a pad or smart phone.
  • IWB interactive whiteboard
  • FIG. 1 a case in which the display 110 of the display device 100 implemented as an electronic blackboard is in a portrait mode is illustrated as an example. However, since the display 110 has a structure capable of rotation, a landscape mode (landscape) It can also be installed as.
  • the display apparatus 100 implemented as an electronic blackboard may have a main body that can be connected to the display 110 and wired or wirelessly so that an image is displayed on the display 110.
  • the display apparatus 100 may be configured with one display 110.
  • the present invention also includes a case in which the display apparatus 100 has a structure in which a plurality of displays, that is, panels, are arranged in a matrix form according to an implementation method thereof, thereby implementing a large screen screen.
  • the display apparatus 100 may be provided to implement the function of an electronic blackboard through execution of an embedded application.
  • the display device 100 when the display device 100 is a television, the display device 100 may receive and process broadcast content based on at least one of a broadcast signal, broadcast information, or broadcast data received from a transmission equipment of a broadcaster. .
  • the display apparatus 100 may wirelessly receive a radio frequency (RF) signal transmitted from a broadcasting station, that is, a broadcast signal, and for this purpose, an antenna for receiving a broadcast signal and a tuner for tuning the broadcast signal for each channel may be provided.
  • RF radio frequency
  • broadcast signals can be received through terrestrial waves, cables, satellites, and the like, and a signal supply source is not limited to a broadcasting station. That is, any device or station capable of transmitting and receiving data may be included in the source device of the present invention.
  • the display device 100 may operate as a smart TV or an Internet Protocol TV (IP TV).
  • IP TV Internet Protocol TV
  • a smart TV can receive and display broadcast signals in real time, and has a web browsing function, so it is possible to search and consume various contents through the Internet at the same time as displaying real-time broadcast signals, and to provide a convenient user environment for this purpose. to be.
  • the smart TV since the smart TV includes an open software platform, it can provide interactive services to users. Accordingly, the smart TV can provide a variety of contents, for example, an application that provides a predetermined service to a user through an open software platform.
  • These applications are applications that can provide various types of services, and include applications that provide services such as SNS, finance, news, weather, maps, music, movies, games, and e-books.
  • the standard of the signal received from the display device 100 may be configured in various ways corresponding to the implementation type of the device, for example, a high definition multimedia interface (HDMI), a digital visual interface (DVI), a display port. port, DP), D-sub, composite video, component video, super video, SCART (Syndicat des Constructeurs d'Appareils Radiorecepteurs et Televiseurs), USB (universal serial bus) ), you can send and receive data over the wire.
  • HDMI high definition multimedia interface
  • DVI digital visual interface
  • DP display port. port
  • D-sub composite video
  • component video component video
  • super video super video
  • SCART Syndicat des Constructeurs d'Appareils Radiorecepteurs et Televiseurs
  • USB universal serial bus
  • the display device 100 may receive data from various external devices including a server or a source device through wireless communication.
  • the type of wireless communication is not limited, and the display apparatus 100 may perform at least one of wireless communication through an access point (AP) or wireless communication directly connected to another device without an AP.
  • the display device 100 may transmit and receive data to and from an external device through wireless communication such as Wi-Fi, Wi-Fi Direct, or Bluetooth.
  • the type of the writing implement 120 is not limited, and as shown in FIG. 1, a screen including a user's body such as a finger or a palm, as well as a pen or a brush (for example, a painting brush) It includes various types of writing instruments 120 that can be touched on the image.
  • the writing implement 120 includes a general pen (for example, a stylus, etc.) having a shape extending in one direction or a passive type writing implement such as a brush (hereinafter, also referred to as a'passive pen'),
  • the writing implement 120 includes an active type writing implement (hereinafter also referred to as an “active pen”) capable of generating a signal on its own.
  • the passive pen when one end of the passive pen held by the user touches the screen of the display 110, the touch position can be continuously identified using a sensor (140 in FIG. 2) of the display device 100 to be described later. I can.
  • the passive pen may be configured to have different sizes (width and height of a cross section) of both ends.
  • the active pen includes, for example, a structure that generates an electromagnetic field at a tip, and an electromagnetic field generated when the tip of the active pen gripped by a user touches the screen of the display 110, that is, approaches or comes into contact with it.
  • the touch position may be continuously identified in a manner that the display apparatus 100 detects.
  • the user may input writing 120a on the screen of the display 110 by touching using the writing implement 120.
  • Handwriting includes not only drawing lines, figures, etc., but also writing characters.
  • the type or type of touch is not limited, and continuous or discontinuous touches are possible, and various types of touches such as drag and flick may be included.
  • the display apparatus 100 displays a handwriting image 120a corresponding to the identified touch position of the writing implement 120 on the screen of the display 110.
  • the display device 100 identifies the corresponding image 120a according to the trajectory written on the screen of the display 110 by the user using the writing instrument 120. Can be marked on the location.
  • the display device 100 further identifies a touch position by the writing implement 120 and a width of a touch of the writing implement 120 at the touch position.
  • the display apparatus 100 may continuously identify the width of the touch at the moved touch position using the sensor 140 to be described later.
  • the display apparatus 100 identifies whether the touch width of the identified writing implement 120 corresponds to a predetermined thickness of the writing implement. In other words, as shown in FIG. 1, when a user attempts to write on the screen of the display 110 by using various writing instruments 120 on the screen, the display apparatus 100 is When it corresponds to the thickness of the predetermined writing instrument, the image 120a of the handwriting is displayed.
  • the display apparatus 100 may pre-determine the thickness of one or more writing instruments as a thickness to allow writing.
  • the user may input handwriting on the screen with a writing implement having a predetermined thickness of the touch.
  • the display device 100 displays an image 120a of the handwriting in response to the touch of the writing implement 120.
  • a writing implement in which the width of the touch becomes a predetermined thickness to allow writing is also referred to as a'dedicated writing implement'. If the user inputs handwriting on the screen with a writing instrument whose width is not a predetermined thickness to allow writing, that is, a non-dedicated writing instrument, the display device 100 Does not display video.
  • the display apparatus 100 displays an image of the handwriting in response to the touch of the writing instrument when a predetermined condition is satisfied even when the user inputs handwriting on the screen with a writing instrument that is not dedicated. can do. That is, even if the width of the touch of the writing instrument is not a predetermined thickness to allow writing, the display device 100 treats the width of the touch of the writing instrument as in the existing dedicated writing instrument when a predetermined condition is satisfied, and allows writing in the future. It can be newly specified with the thickness to be added. This is also called'addition of writing instruments'. A specific embodiment of this will be described in detail below.
  • FIG. 2 is a block diagram showing the configuration of the display apparatus 100 according to an embodiment of the present invention.
  • the display apparatus 100 includes a display 110, a processor 130, and a sensor 140. As an additional embodiment, the display apparatus 100 may further include a communication unit 150, a storage unit 160, and a user input receiving unit 170.
  • the configuration included in the display apparatus 100 is not limited by the above-described exemplary embodiment, and may be configured by excluding or changing some configurations, or may be additionally implemented to include other configurations.
  • the display apparatus 100 may further include a voice input unit for receiving a voice command uttered from a user, such as a microphone.
  • the display 110 includes a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, and a 3D display. display) and an electrophoretic display.
  • the display 110 includes a display panel constituting a screen on which an image is displayed, and may further include an additional component (driver) according to the implementation method.
  • the driver is implemented with one or more driver ICs (integrated circuits) to output an electrical signal that drives a light source or an electronic device constituting the screen so that an image is displayed on the display 110 based on a signal received from the image processing unit. I can.
  • the processor 130 performs overall control of the display device 100. Specifically, the processor 130 controls the display 110 to display a handwriting image according to the movement of the touch, based on the fact that the width of the touch of the writing implement 120 is the first thickness of the dedicated writing implement. Further, the processor 130 identifies whether or not the touch of the second thickness indicates the addition of the writing instrument based on the fact that the width of the touch is the second thickness, not the dedicated writing instrument, and the touch of the second thickness is Based on the form indicating the addition, the display 110 is controlled to display an image of handwriting according to the movement of the touch of the second thickness. A detailed description of the operation of the processor 130 will be described later.
  • the processor 130 executes a control program (or instruction) to perform such a control operation.
  • the processor 130 includes at least one general-purpose processor that loads at least a part of the control program from the nonvolatile memory in which the control program is installed into the volatile memory and executes the loaded control program, for example, CPU (Central Processing Unit), an application processor (AP), or a microprocessor.
  • CPU Central Processing Unit
  • AP application processor
  • microprocessor for example, CPU (Central Processing Unit), an application processor (AP), or a microprocessor.
  • the processor 130 may include a single core, a dual core, a triple core, a quad core, and a multiple of cores.
  • the processor 130 is a sub-processor operating in a plurality of processors, for example, a main processor and a sleep mode (for example, only standby power is supplied and does not operate as a display device). ) Can be included.
  • the processor, ROM, and RAM may be interconnected through an internal bus.
  • the processor 130 may be implemented as a form included in a main SoC mounted on a PCB embedded in the display device 100.
  • the control program may include program(s) implemented in at least one of a BIOS, a device driver, an operating system, a firmware, a platform, and an application program (application).
  • the application program is preinstalled or stored in the display device 100 when the display device 100 is manufactured, or is displayed based on the received data by receiving data of the application program from the outside when using it later. It can be installed in the device 100.
  • Data of the application program may be downloaded to the display apparatus 100 from an external server such as an application market, for example.
  • an external server is an example of the computer program product of the present invention, but is not limited thereto.
  • the operation of the processor 130 may be implemented as a computer program stored in a computer program product (not shown) provided separately from the display apparatus 100.
  • the computer program product includes a memory and a processor in which instructions corresponding to the computer program are stored.
  • the instruction is executed by the processor, an image is displayed on the screen according to the moved touch position of the writing implement 120, and the touch size of the writing implement 120 is identified during the movement of the touch position. Identify whether to display an image.
  • the display apparatus 100 may perform an operation of the processor 130 by downloading and executing a computer program stored in a separate computer program product.
  • the operation of the processor 130 is stored in a recording medium and may be implemented as a computer-readable program.
  • the program stored in the recording medium i.e., data, is directly accessed and executed by the processor 130, or is downloaded and executed to the display apparatus 100 through a transmission medium implemented through a wired/wireless network in which a computer system is interconnected, thereby performing an operation. You can do it.
  • the processor 130 identifies the touch size of the writing implement 120 and performs at least part of data analysis, processing, and generation of result information for identifying whether to display an image of the handwriting in response to the identified touch size.
  • an artificial intelligence algorithm it may be performed using at least one of machine learning, a neural network, or a deep learning algorithm.
  • the processor 130 may perform functions of a learning unit and a recognition unit.
  • the learning unit may perform a function of generating a learned neural network network
  • the recognition unit may perform a function of recognizing (or inferring, predicting, estimating, or determining) data using the learned neural network network.
  • the learning unit can create or update a neural network network.
  • the learning unit may acquire training data to create a neural network.
  • the learning unit may acquire training data from the storage unit 160 or externally.
  • the training data may be data used for learning a neural network, and for example, a neural network using a touch size of the writing implement 120 or a touch type indicating the addition of a writing instrument, as described later, as training data. Network can be trained.
  • the learning unit may perform pre-processing on the acquired training data before training the neural network network using the training data, or may select data to be used for training from among a plurality of training data. For example, the learning unit may process the learning data into a preset format, filter, or add/remove noise to process the learning data into a form suitable for learning. The learning unit may generate a neural network network set to identify a touch size of the writing implement 120 or a touch type indicating the addition of the writing implement using the preprocessed learning data.
  • the learned neural network network may be composed of a plurality of neural network networks (or layers). Nodes of a plurality of neural network networks have weights, and the plurality of neural network networks may be connected to each other such that an output value of one neural network network is used as an input value of another neural network network.
  • Examples of neural network networks include CNN (Convolutional Neural Network), DNN (Deep Neural Network), RNN (Recurrent Neural Network), RBM (Restricted Boltzmann Machine), DBN (Deep Belief Network), BRDNN (Bidirectional Recurrent Deep Neural Network), and It may include models such as Deep Q-Networks.
  • the recognition unit may acquire target data in order to identify a touch size of the writing implement 120 or a touch type indicating the addition of the writing implement.
  • the target data may be obtained from the storage unit 160 or externally.
  • the target data may be data to be recognized by the neural network.
  • the recognition unit may perform pre-processing on the acquired target data or select data to be used for recognition from among a plurality of target data before applying the target data to the learned neural network network. For example, the recognition unit may process the target data into a preset format, filter, or add/remove noise to process the target data into a form suitable for recognition.
  • the recognition unit may obtain an output value output from the neural network network by applying the preprocessed target data to the neural network network.
  • the recognition unit may acquire a probability value (or a reliability value) together with an output value.
  • the sensor 140 is provided in one area of the display 110 and senses a touch of the writing implement 120 on the screen of the display 110. Specifically, the sensor 140 acquires touch information for identifying the touch position of the writing implement 120 and the width of the touch on the screen of the display 110. The touch information acquired by the sensor 140 is transmitted to the processor 130, and the processor 130 identifies the touch position of the writing implement 120 and the touch width based on the transmitted touch information.
  • Methods for the sensor 140 to sense a touch on the screen of the display 110 include a resistive, capacitive, ultrasonic (SAW) method, an infrared (IR) method, and the like.
  • the sensor 140 may include a sensing configuration required for at least one of the aforementioned various touch sensing methods.
  • the communication unit 150 may connect the display device 100 with an external device under the control of the processor 130.
  • the communication unit 150 operates independently of the processor 130 and may include one or more communication processors supporting wired communication or wireless communication.
  • the communication unit 150 may include a wireless communication module, a short-range wireless communication module, a global navigation satellite system (GNSS) communication module, or a wired communication module.
  • GNSS global navigation satellite system
  • the storage unit 160 includes a nonvolatile memory capable of reading/writing, such as a flash memory or a hard disk drive.
  • the storage unit 160 is provided so that the processor 130 can access it, and data search, reading, writing, deletion, update, and the like are performed by the processor 130.
  • Data stored in the storage unit 160 is data accessed by the processor 130 and includes, for example, an operating system for driving the display device 100, various software, programs, applications, etc. that can be executed on the operating system. Includes video data and additional data.
  • the storage unit 160 may store graphic data that the display apparatus 100 receives from the outside or provides itself. Graphic data is output to the display 110 as an image signal, such as an on-screen display (OSD) or a graphic user interface (GUI) (hereinafter also referred to as a user interface (UI)) in one area of the screen. It can be displayed graphically.
  • OSD on-screen display
  • GUI graphic user interface
  • UI user interface
  • the display device 100 may include a connection part to be connected to an external device.
  • the implementation form of the connection unit may be configured in various ways corresponding to the standard of signals that can be received by the display apparatus 100, for example, HDMI, DVI, Display Port (DP), D-sub , Composite video, component video, super video, SCART, USB, etc. can transmit and receive data.
  • the display device 100 includes a decoder for decoding an image signal to correspond to an image format of the display device 100, and a display 110 for the image signal. It may include a scaler that adjusts to fit the output standard of.
  • the decoder may be implemented as, for example, a Moving Picture Experts Group (MPEG) decoder, and the type of content processed by the display apparatus 100 to display an image in the present invention is not limited.
  • the content processed by the display apparatus 100 includes not only moving pictures such as video but also still images such as photographs.
  • the user input receiving unit 170 transmits various control commands preset by the user's manipulation and input to the processor 130 so that the processor 130 performs a process corresponding to the command.
  • the user input receiving unit 170 is implemented as a menu key, an input panel, a bezel area, a button, etc. installed outside the display device 100, or a remote controller separated from the display device 100 ( It can be implemented in various ways, such as receiving a remote control signal through (remote controller).
  • FIG. 3 is a flowchart illustrating a method of controlling a display device according to an embodiment of the present invention.
  • the processor 130 of the display apparatus 100 determines that the width of the touch is the first thickness of the dedicated writing implement. Based on the movement of the touch, the display 110 is controlled to display the handwriting image 120a (S310). As mentioned above, the processor 130 receives touch information on the screen sensed from the sensor 140 and identifies whether the width of the touch of the writing instrument is the first thickness of the dedicated writing instrument based on the received touch information. do.
  • the processor 130 of the display apparatus 100 based on the fact that the width of the touch is the second thickness, not the dedicated writing implement, whether the touch of the second thickness indicates the addition of the writing implement. Whether or not it is identified (S320).
  • the processor 130 controls the display 110 so that the image 120a of the handwriting is displayed according to the movement of the touch of the second thickness, based on the fact that the identified second thickness of the touch represents the addition of the writing instrument ( S330).
  • the sensor 140 detects movement of the touch of the writing implement on the screen of the display 110 (S410).
  • the processor 130 identifies whether the width of the touch is the first thickness or the third thickness of the dedicated writing instrument based on the touch information sensed by the sensor 120 (S420).
  • the processor 130 displays the image of the writing on the display 110 according to the movement of the touch of the dedicated writing implement (S430).
  • the processor 130 identifies whether or not a touch by another writing implement indicates the addition of the writing implement (S440).
  • the processor 130 recognizes the second thickness of another writing implement as the thickness of the newly added writing implement. Subsequently, the processor 130 displays the image of the handwriting according to the movement of the touch by the writing implement of the second thickness (S430).
  • the processor 130 does not recognize the other writing instrument as a new writing instrument, and according to the movement of the touch by the writing instrument of the second thickness.
  • the handwriting image is not displayed (S450).
  • FIG. 5 is a diagram illustrating touches by writing instruments having different touch widths in a display device according to an exemplary embodiment of the present invention.
  • the writing implement 500 shown in FIG. 5 is a dedicated writing implement and can use both ends thereof, and has a narrow tip 510 and a wide tip 520 opposite the other.
  • the widths of the sensed touches are a and c, respectively (here a ⁇ c).
  • the shape of the writing instrument or the width of the touch according to the exemplary embodiment of the present invention is not limited to that shown in FIG. 5, and may be a shape in which a tip of a writing instrument has different widths, or a plurality of different widths. It should be noted that it can be implemented in various ways, such as the existence of a dedicated writing implement.
  • the processor 130 touches the writing instrument based on the touch information detected by the sensor 140. Is identified as having a width of a.
  • the processor 130 may identify whether the identified width a of the touch is the first thickness of a predetermined dedicated writing instrument. Specifically, the processor 130 may use information prepared in advance as shown in FIG. 6 with respect to the first thickness of the dedicated writing implement in order to identify whether the touch width a is the first thickness of the dedicated writing implement. .
  • the processor 130 determines the width of the touch based on the touch information of the writing instrument detected by the sensor 140. It is identified as being c.
  • the processor 130 may identify whether the identified touch width c is the third thickness of a predetermined dedicated writing instrument. Specifically, the processor 130 may use information prepared in advance about the third thickness of the dedicated writing implement in order to identify whether the touch width c is the third thickness of the dedicated writing implement.
  • the processor 130 identifies that the width of the touch is b1 based on the touch information of the writing instrument sensed by the sensor 140.
  • the processor 130 may identify that the identified touch width b1 is the second thickness, not the predetermined thickness of the dedicated writing instrument.
  • the touch by the second thickness is performed on the screen of the display 110. Do not appear on.
  • the image 540b of the handwriting is displayed on the screen of the display 110 according to the movement of the touch by the writing implement.
  • the width b2 of the touch is recognized as a second thickness, not a dedicated writing instrument, similar to the width b1 of the touch.
  • the touch by the width b2 of the touch does not correspond to the form indicating the addition of the writing instrument, the image of the handwriting is deleted according to the movement of the touch by the width b2 of the touch.
  • an image of the handwriting is displayed according to the movement of the touch when the touch corresponds to the form indicating the addition of a writing implement, and the touch is the addition of the writing implement. If it does not correspond to the form representing, the handwriting image is deleted according to the movement of the touch.
  • FIG. 6 is a diagram illustrating a table of information indicating the thickness of a writing instrument according to an embodiment of the present invention.
  • a table 610 of information indicating the thickness of a writing instrument may be stored in the storage unit 160 of the display apparatus 100.
  • the table 610 may include information on a writing instrument ID, a function, a thickness, and a setting.
  • the writing instrument ID of the table 610 is identification information that distinguishes each writing instrument.
  • the writing instrument ID may be classified into, for example, ID1 ('exclusive pen'), ID3 ('new pen'), or the like, in order to distinguish whether the writing instrument ID is a predetermined dedicated writing instrument or a writing instrument newly added without being predetermined.
  • the function of the table 610 represents an effect to be reflected in the image of the handwriting when a writing implement corresponding to each writing implement ID is used.
  • the function may be a'normal pen', and in the case of displaying by highlighting with a thicker thickness than the'normal pen', the function may be a'highlight pen' or the like.
  • the thickness of the table 610 is a value indicating the thickness when a writing implement corresponding to each writing implement ID is touched.
  • the thickness of ID1 ('dedicated pen') may be a
  • the thickness of ID2 ('dedicated pen') may be c.
  • it has a size relationship such as a ⁇ c.
  • a value such as a includes not only one predetermined value, but also a range value consisting of a predetermined value larger or smaller than the predetermined value. In the latter case, the margin that may be generated when sensing the width of the touch is considered.
  • the setting of the table 610 indicates whether to allow the display of a handwriting image for a writing implement corresponding to each writing implement ID. For example, if the setting of the table 610 is'used', the handwriting image display of the corresponding writing instrument is allowed, and if the setting of the table 610 is'not used', it may indicate not.
  • the processor 130 identifies that the width of the touch is b1 based on the touch information of the other writing instrument sensed by the sensor 120.
  • the processor 130 may identify whether b1, which is the width of the touch, is the first thickness or the third thickness of the dedicated writing implement by referring to the information on the table 610. Since the width of the touch of ID1 ('dedicated pen') of the table 610 is a, and the width of the touch of ID2 ('dedicated pen') is c, the processor 130 indicates that the width b1 of the identified touch is a dedicated writing instrument. It is identified as not the first or third thickness of.
  • the processor 130 identifies whether or not the touch by another writing implement represents the addition of the writing implement, and when the identified form represents the addition of the writing implement, recognizes the other writing implement as a newly added writing implement.
  • the processor 130 may update the table 620 when a new writing instrument is added. Specifically, referring to FIG. 6, the processor 130 assigns a new writing instrument ID ('ID3') to the newly added writing instrument ('new pen'), and the width of the touch of the new writing instrument ID ('ID3') The value of b1 is newly stored in the table 620.
  • the processor 130 refers to the second thickness b1 of the new writing instrument ID ('ID3') of the table 620, Whether or not the handwritten image is allowed is identified.
  • the second thickness (b1) of the new writing implement according to the embodiment of the present invention is between the first thickness (a) and the third thickness (c) of the dedicated writing implement.
  • the second thickness of the new writing implement may be smaller than the first thickness (a) of the dedicated writing implement or larger than the third thickness (c) of the dedicated writing implement.
  • the processor 130 may analyze the shape of the touch by the writing implement of the second thickness, not the dedicated writing implement, and identify whether the form represents the addition of a predetermined writing implement.
  • the form of a touch indicating the addition of a writing implement includes, for example, a pattern in which touches of the same thickness are repeated.
  • FIG. 7 is a diagram illustrating a touch form indicating addition of a writing instrument according to an embodiment of the present invention.
  • the form of a touch indicating the addition of a writing implement may be that a touch having the same thickness is repeated in a shape such as, for example, a circle, a square, or a triangle.
  • the touch pattern representing the addition of a writing implement according to an embodiment of the present invention is not limited to characters, symbols, etc. in addition to figures as shown in FIG. 7, and a repetitive and similar form is sufficient. This is in order to conveniently use the display device 100 by recognizing it as a new writing instrument only in a simple repetitive form without a specific setting.
  • FIG. 8 is a view showing another form showing the addition of a writing instrument according to an embodiment of the present invention.
  • parts identical to or similar to the configuration of the display device 100 described with reference to FIGS. 1 to 7 will be omitted.
  • the form indicating the addition of the writing implement is not the touch pattern shown in FIG. 7 but a case of a touch on one area of the screen of the display 110.
  • the processor 130 in a situation where the width of the touch is the second thickness 810a rather than the dedicated writing instrument, whether there is a touch 810b on the one area 800 of the screen of the display 110 To identify.
  • one area 800 of the screen of the display 110 in which a touch indicating the addition of a writing implement is performed may be predetermined, and may be provided in another area, not limited to the area shown in FIG. 8.
  • An area 800 of the screen of the display 110 may be set according to a user input.
  • the processor 130 may add the writing instrument. It is recognized that it is not the displayed form, and the handwriting image 810a is not displayed according to the movement of the touch of the second thickness. However, if the touch 810b exists in one area 800 of the screen of the display 110, the processor 130 recognizes that the touch 810b in the one area 800 indicates the addition of a writing instrument, and the second As the thickness of the touch moves, the handwriting image 810c may be displayed on the screen of the display 110.
  • the user's convenience can be further improved since effective writing can be performed immediately after touching a region without drawing a form indicating the addition of a writing implement to the writing implement as a touch pattern.
  • FIG. 9 is a view showing another form showing the addition of a writing instrument according to an embodiment of the present invention. With respect to the configuration of the display device 100 described with reference to FIG. 9, portions identical to or similar to the configuration of the display device 100 described with reference to FIGS. 1 to 8 are omitted.
  • the display apparatus 100 when the form indicating the addition of the writing instrument is not a touch pattern shown in FIG. 7 or a touch on one area of the screen shown in FIG. 8, but a touch on an area outside the screen of the display 110 to be.
  • the display apparatus 100 includes a bezel 900 provided on an edge of the screen of the display 110.
  • the sensor 140 of the display device 100 may sense a touch on the bezel 900.
  • the processor 130 identifies whether there is a touch on the bezel 900 in a situation where the width of the touch is the second thickness rather than the dedicated writing instrument.
  • an area of the bezel 900 in which a touch indicating the addition of a writing implement is performed may be predetermined, and may be provided in a different area, not limited to the area shown in FIG. 9.
  • the area touched by the bezel 900 may be set according to a user input.
  • the processor 130 recognizes that the form indicating the addition of the writing instrument is not added, and the second The image of the handwriting is not displayed according to the movement of the thickness of the touch.
  • the processor 130 recognizes that the writing instrument is added, and the image of the handwriting is displayed on the screen of the display 110 according to the movement of the touch of the second thickness. Can be displayed.
  • FIG. 10 is a view showing another form showing the addition of a writing instrument according to an embodiment of the present invention.
  • parts identical to or similar to the configuration of the display device 100 described with reference to FIGS. 1 to 9 are omitted.
  • the form indicating the addition of the writing implement is not the touch pattern shown in FIGS. 7 to 9, but a predetermined specific button input.
  • the user input receiving unit 170 of the display apparatus 100 includes a button 1000 for receiving a specific button input.
  • the button 1000 may be provided on an input panel on which a menu key is provided, an area of a bezel, or the like.
  • the button 1000 is not limited to the position shown in FIG. 10 and may be provided at another position.
  • the button may be implemented in various ways, such as provided on a remote controller separated from the display apparatus 100.
  • the processor 130 identifies whether an input of the button 1000 is received in a situation where the width of the touch is the second thickness, not the dedicated writing instrument. If an input of the button 1000 is not received, the processor 130 recognizes that the writing instrument is not in a form indicating the addition of the writing instrument, and does not display the image of the handwriting according to the movement of the touch of the second thickness. If an input of the button 1000 is received, the processor 130 recognizes that the writing instrument is added, and the image of the handwriting can be displayed on the screen of the display 110 according to the movement of the touch of the second thickness. have.
  • the user since the user can utilize another method of adding another writing instrument, the user's convenience can be further promoted.
  • FIG. 11 is a view showing another form showing the addition of a writing instrument according to an embodiment of the present invention. With respect to the configuration of the display device 100 described with reference to FIG. 11, portions identical to or similar to the configuration of the display device 100 described with reference to FIGS. 1 to 10 are omitted.
  • the processor 130 may provide a user interface (UI) and add a writing instrument by a user input through the UI.
  • the processor 130 of the present embodiment displays a UI including a menu item 1110 for adding a writing instrument to the screen of the display 110.
  • the UI may be displayed when a predetermined user input is received.
  • the menu item 1110 may include a phrase indicating that the user can add a writing instrument and a start button for selecting the start of the corresponding mode, such as "Recognizing writing instruments".
  • the user can select the menu item 1110 by touching the menu item 1110 with a dedicated writing implement or a finger.
  • the processor 130 When the processor 130 recognizes that the user has pressed the start button on the menu item 1110, the processor 130 displays a guide phrase 1120 for inputting a handwriting for recognizing a writing instrument to be added to the screen of the display 110.
  • the handwriting input indicating the addition of a writing instrument is not limited to characters, symbols, etc. in addition to figures, and does not have to be a repetitive and similar specific form as shown in FIG. 7. However, as an example of the handwriting input, points, squares, triangles, circles, and Xs may be presented to induce a higher recognition rate for adding writing instruments.
  • the processor 130 When the user inputs the handwriting 1130 as a writing implement to be added according to the guide phrase 1120, the processor 130 recognizes the input handwriting as a characteristic of the writing implement to be added.
  • the characteristics of the writing implement of the present embodiment include the thickness of the writing, the pressing strength, the input holding time, the point of changing the section other than the straight line, and the like.
  • the processor 130 displays a guide phrase 1140 on the screen of the display 110 to confirm whether the new writing instrument has been properly recognized, and checks whether the handwriting is input again as a characteristic of the recognized new writing instrument. While waiting. In this case, the user can freely write 1150 using a new writing implement.
  • the processor 130 displays an image of the handwriting on the screen of the display 110 and displays a guide phrase 1160 indicating that the recognition has been completed. After that, the user can continue to use the new writing implement.
  • the user since the user can utilize another method of adding another writing instrument, the user's convenience can be further promoted.
  • FIG. 12 is a diagram illustrating UI items related to setting of a writing instrument according to an embodiment of the present invention. With respect to the configuration of the display device 100 described with reference to FIG. 12, parts identical to or similar to the configuration of the display device 100 described with reference to FIGS. 1 to 11 are omitted.
  • the processor 130 may provide a UI 1210 related to setting of a writing implement, and may perform setting of a writing implement by a user input through the UI 1210.
  • the UI 1210 for setting a writing instrument may be displayed when a predetermined user input is received.
  • the UI 1210 may include various menu items for setting a writing instrument.
  • items related to the setting of the writing instrument in the UI 1210 shown in FIG. 12 include the purpose, color, and management of the writing instrument. Specifically, uses include general input, additional input, gesture input, effect input, eraser, and the like.
  • the processor 130 sets the purpose of the selected item for the corresponding writing implement and stores the set information in the storage unit 160. Thereafter, when the handwriting of the corresponding writing implement is recognized, the processor 130 refers to the setting information stored in the storage unit 160 to display the handwriting image of the corresponding writing implement based on the setting according to the corresponding purpose.
  • a plurality of writing instruments may be allocated to a plurality of layers independent from each other according to the setting of the use.
  • the layer in this embodiment is a plane of a handwritten image displayed on the screen of the display 110, and a plurality of layers may be overlapped and displayed.
  • each layer is independent of each other, and a handwriting image displayed on one layer does not affect the handwriting image displayed on another layer.
  • the processor 130 separates and operates the data of the handwritten image of each layer stored in the storage unit 160.
  • the processor 130 may combine data of two or more different layers or may separate a part of data of a single layer and convert the data to another layer. Merging, separating, and switching between layers may be provided in the form of menu items of the UI and may be performed according to a user input using the UI.
  • two layers may be provided respectively corresponding to a general input and an additional input.
  • the processor 130 sets layers for a plurality of writing instruments according to a user's input using a general input or a use item of an additional input.
  • the processor 130 allows the handwriting images of the first and second writing devices to be displayed on the same layer when handwriting by the first writing device and the second writing device set to be the same as the general input is recognized.
  • the images of each handwriting of the first and second writing instruments mutually affect, for example, the handwriting image of the first writing instrument may be erased by using the second writing instrument as an eraser.
  • the processor 130 when the processor 130 recognizes the handwriting of the first writing device set for use as a general input and the second writing device set for use as an additional input, the first writing device and the second writing device are assigned to separate layers from each other. , The handwriting image of each writing implement does not affect the handwriting image of another writing implement.
  • the processor 130 may automatically set a dedicated writing implement for general input and an added writing implement for additional input. In this case, the image of the added writing implement may be displayed on a different layer from the image of the dedicated writing implement.
  • the user can write on an existing image or handwriting as a description or annotation using the added writing instrument, and this means that the image of the handwriting is displayed on a separate layer. Can be separated independently. Therefore, only the handwriting by the added writing instrument can be separated and stored or hidden, so that it can be displayed only when necessary.
  • a portion described as'public relations team' is an example. In this way, the user's convenience is further improved by independently allocating and displaying layers for each writing instrument.
  • Gesture input means that the added writing instrument is used as a tool for recognizing gestures, not for writing purposes.
  • the effect input means to indicate the emphasis symbol, position symbol, and other effects such as an underline or asterisk figure shown in FIG. 12.
  • Eraser means to recognize and use the added writing implement as an eraser.
  • the color item may change the color of the added writing instrument, and the management item may be combined with a layer of a dedicated writing instrument that additionally input handwriting by the added writing instrument.
  • Writing instrument setting items according to an embodiment of the present invention are not limited thereto, and items may be added or changed.
  • the user in addition to the addition of writing instruments, the user can set and use various uses for various writing instruments, thereby further enhancing the user's convenience.
  • FIG. 13 is a diagram illustrating another example of a table of information indicating a thickness of a writing instrument according to an embodiment of the present invention. With respect to the configuration of the display device 100 described with reference to FIG. 13, portions identical to or similar to the configuration of the display device 100 described with reference to FIGS. 1 to 12 are omitted.
  • the existing dedicated writing instrument when a new writing instrument is set in addition to the existing dedicated writing instrument, the existing dedicated writing instrument may be set not to be used.
  • the processor 130 may immediately set the existing dedicated writing implement not to be used under the condition that a new writing implement is set.
  • the processor 130 may set not to use the existing dedicated writing implement according to whether a designated event indicating not to use the existing dedicated writing implement occurs. Events for disabling the use of an existing dedicated writing implement may vary. For example, it is possible to set not to use an existing dedicated writing instrument according to a user input.
  • the processor 130 uses the value of the setting of'ID1 (dedicated pen)' in the table 1310 from'use' to'unused', as shown in FIG. Change to'(1330). Accordingly, when a touch is input with the thickness (a) of'ID1 (dedicated pen)', the handwriting image is not displayed.
  • the new writing implement when a new writing implement is set in addition to the existing dedicated writing implement, the new writing implement may be set not to be used again after that.
  • the processor 130 identifies whether an event indicating that the new writing instrument is not to be used again has occurred.
  • Events for setting not to use the new writing instrument again may vary, and for example, the new writing instrument may be set not to be used again according to a user input.
  • the user input for setting the new writing implement not to be used again may be a case in which the touch is repeated with the thickness of a dedicated writing implement similar to the touch form indicating the addition of the writing implement described with reference to FIG. 7.
  • the event of setting not to use the new writing instrument again is not limited to this example.
  • the processor 130 sets the new writing instrument not to be used again, as shown in FIG. 11, the value of the setting of'ID3 (new pen)' in the table 1320 is changed from'used' to'unused' ( 1340). Accordingly, when a touch is input with the thickness b1 of'ID3 (new pen)', the handwriting image is not displayed.
  • the user can flexibly add or delete an existing dedicated writing implement or an added new writing implement that can be recognized by the display apparatus 100, the user's convenience is further improved.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

La présente invention concerne un dispositif d'affichage comprenant : un dispositif d'affichage ayant un écran pour afficher une image; un capteur pour détecter un toucher sur l'écran; et un processeur pour : commander, lorsque la largeur de toucher indique une première épaisseur qui est l'épaisseur d'un instrument d'écriture, le dispositif d'affichage de telle sorte qu'une image d'écriture manuscrite est affichée le long du mouvement du toucher; identifier, lorsque la largeur de toucher indique une seconde épaisseur qui n'est pas l'épaisseur de l'instrument d'écriture, si le toucher de la seconde épaisseur indique l'ajout de l'instrument d'écriture; et, lorsque le toucher de la seconde épaisseur indique l'ajout de l'instrument d'écriture, commander le dispositif d'affichage de telle sorte qu'une image d'écriture manuscrite est affichée le long du mouvement du toucher de la seconde épaisseur.
PCT/KR2020/005005 2019-08-23 2020-04-14 Dispositif d'affichage et procédé de commande associé WO2021040180A1 (fr)

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KR102433373B1 (ko) * 2022-03-29 2022-08-18 유환아이텍(주) 전자 칠판의 터치 입력에 대한 id 생성 장치 및 방법
WO2023229156A1 (fr) * 2022-05-25 2023-11-30 삼성전자주식회사 Dispositif électronique pour recevoir un écran d'application d'un dispositif externe et pour l'afficher, et son procédé de commande
EP4432055A1 (fr) 2022-05-25 2024-09-18 Samsung Electronics Co., Ltd. Dispositif électronique pour recevoir un écran d'application d'un dispositif externe et pour l'afficher, et son procédé de commande

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