KR20100074854A - Display device, method for controlling of display device and method for display device control of portable terminal - Google Patents

Abstract

A display apparatus according to an embodiment of the present invention includes a storage unit for storing key code information; A local area communication unit performing local area communication; A search unit for searching for at least one local area communication device in the vicinity using the local area communication; And a controller for selecting any one of the short range communication devices searched through the search unit and transmitting the key code information stored in the storage unit to the selected short range communication device. When the specific key code information is transmitted through the selected short-range communication device, it is characterized in that the control of the operation performed corresponding to the transmitted key code information.

Description

Display device, method for controlling display device and method for controlling display device of portable terminal {Display device, Method for controlling of display device and Method for display device control of portable terminal}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device, and more particularly, to a display device, a control method of a display device, and a display device control method of a portable terminal capable of providing a simple menu to a user using a short-range communication function.

In general, a remote controller is used to remotely control home appliances or information equipment. The remote controller refers to a device for controlling electronic devices such as a TV, an air conditioner, and a VCR by generating an infrared signal according to an input key according to a user's key input.

Recently, with the development of electronic devices, remote controllers are being used in almost all electronic devices, and attempts have been made to integrate a plurality of remote controllers into a home network.

Such a remote controller can be used not only in a general home but also in any place where an electronic device can be installed.

In general, a place where a remote controller is most commonly used is a living room of a normal home, and the object is a television.

Referring to the operation of a general remote controller, once a user inputs a specific key through the remote controller, an infrared signal corresponding to the input key command is transmitted. Then, the receiving unit receives / analyzes the transmitted infrared signal and controls the corresponding operation to correspond to the key input from the user.

That is, when a user normally uses a display, a remote controller is used to control the display apparatus. Recently, additional functions provided by the display apparatus are increasing day by day, and the number of keys provided in the remote controller is increasing accordingly. .

In an embodiment of the present invention, it may be difficult to use a remote controller provided with a large number of keys, or to solve inconveniences caused by unused keys other than a frequently used key.

In addition, according to an embodiment of the present invention, key code information stored in the display device may be transmitted to a specific local area communication device according to a user's request.

In addition, according to an embodiment of the present invention, only key code information corresponding to a current use state of the display apparatus may be transmitted to a specific local area communication device.

The technical problems to be achieved in the proposed embodiment are not limited to the technical problems mentioned above, and other technical problems not mentioned above are clear to those skilled in the art to which the proposed embodiments belong from the following description. Can be understood.

A display apparatus according to an embodiment of the present invention includes a storage unit for storing key code information; A local area communication unit performing local area communication; A search unit for searching for at least one local area communication device in the vicinity using the local area communication; And a controller for selecting any one of the short range communication devices searched through the search unit and transmitting the key code information stored in the storage unit to the selected short range communication device. When specific key code information is transmitted through the selected local area communication device, the operation of controlling the corresponding key code information is performed.

In addition, the control method of the display apparatus according to an embodiment of the present invention is a control method of a display apparatus having a short-range communication function, using at least one short-range communication device in the vicinity of the display device using a short-range communication function Searching; Selecting one specific short range communication device from the searched short range communication devices; And transmitting key code information for operating the display apparatus to the selected short range communication device.

In addition, the display device control method of a portable terminal according to an embodiment of the present invention, the display device control method of the portable terminal, comprising the steps of: requesting the transmission of the operation status information to the display device; Receiving operation state information transmitted from the display apparatus; Displaying a control screen for key information that can be input by a current user based on the received operation state information; And when an input of a specific key is detected on the control screen, transmitting key code information corresponding to the detected specific key to the display apparatus.

According to an embodiment of the present invention, by providing the simplicity of controlling the display apparatus by using a portable terminal instead of a remote controller, the user can conveniently operate the display apparatus using a user-friendly portable terminal (UI). It has an effect.

In addition, by transmitting only the key code information corresponding to the current state of the display device, to prevent the input of the key that can not operate in a specific state in advance, there is an effect that can reduce the confusion about the operation of the display device.

The proposed embodiment will be described.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. However, the spirit of the present invention is not limited to the embodiments presented, and other inventions which are deteriorated by the addition, modification, deletion, etc. of other components, or other embodiments included within the scope of the present invention are easily made. I can suggest.

The term used in the present invention was selected as a general term widely used as possible, but in some cases, the term is arbitrarily selected by the applicant, in which case the meaning is described in detail in the description of the invention, the name of a simple term It should be clear that the present invention is to be understood as a meaning of terms.

In other words, in the following description, the word 'comprising' does not exclude the presence of other elements or steps than those listed.

1 is a view showing a general remote controller.

The remote controller 1 having a structure as shown in FIG. 1 allows a user to directly move to a place where a remote controllable receiving device is installed so that the user can operate the receiving device at a long distance without manipulating the operation of the receiving device. It is a generalized means used in all receiving devices (e.g. TV, audio, video, air conditioner, etc.).

In particular, a representative receiver in which the remote controller 1 is used is a TV. In recent years, additional functions provided by the TV are increasing day by day, and the number of keys provided in the remote controller 1 is increasing.

However, when the user uses the remote controller 1 equipped with many keys as described above, most of the time, the user rarely uses the remaining keys except for a few keys which are frequently used. In addition, some of the keys may not be input in a specific operating state. If a user does not recognize the keys, a key may be input that does not operate in the current operating state.

Accordingly, an embodiment of the present invention provides only information on a specific key that can be input by the current user according to the operation state of the display device, so that the user can easily operate the display device.

2 is a diagram illustrating an overview of a data transmission system between short-range communication devices according to an embodiment of the present invention.

Referring to FIG. 2, the first local area communication device (display device) 100 having the Bluetooth communication function and the second local area communication device 200 perform data transmission and reception with each other based on the Bluetooth communication. Detailed procedures, methods, and types of data transmitted from the first local area communication device 100 to the second local area communication device 200 will be described in more detail below.

Hereinafter, the first local area communication device 100 will be described on the assumption that a display device including a television and a monitor on which an image is displayed, and the second local area communication device 200 is a portable portable terminal. However, the present exemplary embodiment is not limited thereto, and it will be apparent to those skilled in the art that the second short-range communication device 200 may be configured with a PMP.

That is, the portable terminal may be a terminal capable of remote control through short-range wireless communication. Examples of such portable terminals include mobile communication terminals such as International Mobile Telecommunication 2000 (IMT-2000) terminals, Wideband Code Division Multiple Access (WCDMA) terminals, Universal Mobile Telecommunication Service (UMTS) terminals, Portable Multimedia Player (PMP), MP3, and the like. All information including a short distance wireless communication module and an external interface such as a multimedia player such as a player, a digital broadcasting receiver, a personal digital assistant (PDA), a smart phone and a mobile phone. It will be apparent that the present invention may be applied to communication devices and multimedia devices and applications thereof.

In addition, the proposed embodiment describes a case of using Bluetooth (B / T) communication as a short-range communication means as an example. However, this is just one embodiment, and the application of various wireless communication that can transmit and receive signals by forming a communication channel in the infrared communication (IrDA, Infrared Data Association), Zigbee communication, and other short-range, including the Bluetooth communication Of course it is possible.

2, a schematic data transmission system will be described.

The display apparatus 100 searches for a portable terminal placed in its Bluetooth communication enabled area. The display apparatus 100 displays a list of the searched portable terminals when the N portable terminals located in the communicable area thereof are found.

In addition, the display apparatus 100 transmits previously stored key code information to any one of the searched N portable terminals.

Here, the key code information is information for controlling the operation of the display apparatus 100, which is stored in a specific area of the display apparatus 100.

In addition, the specific portable terminal 200 having received the key code information from the display apparatus 100 transmits a response signal to the display apparatus 100 as to whether the transmitted key code information is normally received. In addition, the portable terminal 200 stores the key code information transmitted from the display apparatus 100 and displays a control screen for controlling the operation of the display apparatus 100 using the stored key code information.

When a key corresponding to a specific key code is input on the control screen, the portable terminal 200 transmits key code information corresponding to the input key to the display apparatus.

The display apparatus 100 receives key code information transmitted from the portable terminal 200 and performs an operation corresponding to the received key code information.

3 is a view showing a detailed configuration of a display apparatus according to an embodiment of the present invention.

Hereinafter, a detailed configuration of a display apparatus according to an exemplary embodiment of the present invention will be described with reference to FIG. 3.

As shown in FIG. 3, the display apparatus according to an exemplary embodiment of the present invention uses a storage unit 101 for storing key code information, a short range communication unit 102 performing short range communication, and the short range communication. Image generating unit 103 for searching for at least one short-range communication device (portable terminal) present in the vicinity and a list of the short-range communication device found through the search unit 103, the signal processing to display the list Specifying any one of a signal processor 104, a display unit 105 for displaying a list of short-range communication devices signal-processed through the video signal processor 104, and a short-range communication device searched through the search unit 103 And a control unit 106 for selecting a local area communication device and transmitting key code information stored in the storage unit 101 to the selected local area communication device.

Hereinafter, the operation of the display apparatus according to the embodiment of the present invention configured as described above will be described in more detail.

The storage unit 101 stores key code information for controlling the display apparatus. Here, the type of the stored key code information is determined according to the data format of the key code information used in the display device. The data formats include NEC and SONY.

The key code information for the NEC format among the data formats is composed of a reader code section, a custom code section, and a data code section. The code of the custom code part is a fixed code determined by a diode and a resistor connected to the IC. Since the code of the data code part is a different code for each key input, various functions can be assigned.

At this time, the reader code portion is a signal necessary for reading an input signal, and the receiving circuit or the receiving program is designed to receive the following custom code after detecting the reader portion.

The custom code consists of 16 bits and is used as an ID code of a receiver. By strictly handling this code, an infrared remote control system without malfunctions can be implemented.

The short range communication unit 102 performs data transmission and reception with other Bluetooth communication devices in the vicinity based on a Bluetooth module (B / T Module). Bluetooth, as is known, is a short-range wireless communication technology and is considered to be suitable for mobile devices in that it can provide various services with low power. It also includes a wide range of applications, including hands-free profile using Bluetooth, audio and video streaming profiles using a wireless headset, and data communication via a wireless model (DUN). do.

The search unit 103 searches for at least one portable terminal (near field communication device or Bluetooth communication device) for controlling the display device through the local area communication unit 102.

In addition, since the Bluetooth communication is restricted by the distance, the search unit 103 searches for a portable terminal capable of data communication (portable to Bluetooth communication) among portable terminals located around the display apparatus.

The video signal processor 104 generates a list of the short-range communication devices searched through the search unit 103 and performs signal processing to display the generated short-range communication device list.

In addition, the short-range communication device list signal-processed through the video signal processor 104 is displayed on the display unit 105. In this case, the video signal processor 104 may display an MPEG-2 decoder, a scaler for converting video data to a vertical frequency, a resolution, an aspect ratio, etc. according to an output standard of the display 105, and various menu screens. OSD display unit to generate in the form of (Screen Display).

The display unit 105 may be applied to various types of display modules, such as digital light processing (DLP), liquid crystal display (LCD), plasma display pannel (PDP), and the like.

 The controller 106 selects one specific portable terminal among the portable terminals searched through the search unit 103 and transmits key code information stored in the storage unit 101 to the selected portable terminal.

In this case, the selection operation of the specific portable terminal may be performed by receiving a selection signal for any one of the portable terminals displayed on the display unit 105 from the user.

In addition, in addition to this, it is possible to display the history information of the portable terminal which has been connected in the past, receive a selection signal for any one of the displayed history information, and select the portable terminal for transmitting the key code information.

When the specific portable terminal is selected, the controller 106 transmits the key code information stored in the storage unit 101 to the selected portable terminal, and when the specific key code information is transmitted from the portable terminal, the transmission. Receives the key code information and outputs a control signal to perform an operation corresponding thereto.

At this time, as shown in Figure 4, the key code information is transmitted using the reserved area of the 'connect operation' field in the object exchange (OBEX) protocol. That is, when the OBEX protocol is used for transmitting / receiving Bluetooth information, the remaining bytes except for the reserved byte are contained in the prescribed information and transmitted.

Accordingly, when transmitting the key code information, the corresponding data field of the reserved byte is defined as an area for transmitting the key code information. Therefore, the key code information of the display apparatus can be transmitted to an external portable terminal using the data field.

In this case, the controller 106 determines an operation state of the current display apparatus and selectively extracts only key code information of a key that can be input by the current user according to the determined operation state. The controller 106 transmits only the extracted key code information to the portable terminal.

Here, the operating state of the display device includes a TV viewing state, a USB music listening state, a broadcast guide state, a reserved recording state, and the like.

Operating status Enterable key TV viewing status Broadcast Guide, Channel +, Channel-, Previous Channel, Volume +, Volume-, Volume Down, Source, Channel Info USB music listening status Watch TV, Volume +, Volume-Down, Music Down, File Deletion, File Info, Slow Listening, Previous Music, Fast Listening Broadcast guidance status Move Up, Move Left, Move Right, Move Down, Watch Broadcast, Schedule Recording, Schedule List Scheduled recording status Move up, move left, time setting, record registration, broadcast selection, broadcast guide, cancel recording

That is, as shown in Table 1, the inputtable keys differ from each other according to the operation state of the display apparatus.

Accordingly, when the current state of the display device is a TV viewing state, the controller 106 may input keys (broadcast guide, channel +, channel-, previous channel, volume +, volume-, sound) that can be input in the TV viewing state. Only key code information corresponding to the reduction, external input, channel information) is extracted and transmitted to the selected portable terminal.

The portable terminal receives the transmitted key code information and displays a control screen for operating the display apparatus based on the received key code information.

Input key on portable terminal Key code information One Broadcast guide 2 Channel + 3 Previous channel 4 volume - 5 Channel information 6 Volume + 7 Reduce sound 8 channel - 9 External input

That is, when the current state of the display device is a TV viewing state, the portable terminal receives the key code information as shown in Table 2 and controls the operation of the display device using the received key code information. Display the screen.

In other words, as shown in FIG. 5, the control screen 200 includes a first information display area 201 in which operation state information of the current display apparatus is displayed, and a second in which key code information for each key is displayed. The information display area 202 is configured.

In addition, if the operation state of the current display apparatus is the USB music listening state, the control screen 300 including the first information display area 301 and the second information display area 302 as shown in FIG. 6 is displayed. .

Similarly, if the operation state of the current display apparatus is the reserved recording state, the control screen 400 including the first information display area 401 and the second information display area 402 as shown in FIG. 7 is displayed. .

When the portable terminal detects an input of a specific key while the control screen is displayed, the portable terminal transmits key code information corresponding to the detected specific key to the display apparatus. The display apparatus receives the key code information transmitted from the portable terminal and performs an operation corresponding to the received key code information.

For example, when a '1' key of the portable terminal is input in a TV viewing state, the portable terminal transmits key code information for implementing a broadcast guide assigned to the '1' key to the display apparatus. Then, the display apparatus receives the key code information transmitted from the portable terminal and displays an operation corresponding to the received key code information, that is, a broadcast guide screen.

In addition, the controller 106 periodically checks the operating state of the display apparatus, and when the current operating state is different from the previous operating state, that is, when the operating state is changed, the controller 106 obtains key code information corresponding to the changed operating state. Send to the portable terminal.

Accordingly, the portable terminal displays a control screen corresponding to the operation state of the current display apparatus, and the user can easily operate the display apparatus using a user interface (UI) of the portable terminal familiar to the user.

According to the embodiment of the present invention, by providing the convenience of controlling the display apparatus using a portable terminal instead of a remote controller, the user can conveniently operate the display apparatus using a user-friendly portable terminal UI (User Interface). can do.

In addition, only the key code information corresponding to the current state of the display apparatus is transmitted, thereby preventing the input of a key that cannot operate in a specific state in advance, thereby reducing confusion about the operation of the display apparatus.

8 is a flowchart illustrating a step-by-step control method of a display apparatus according to an exemplary embodiment of the present invention.

In the control method of the display apparatus according to an exemplary embodiment of the present invention, as shown in FIG. 8, when a command for transmitting key code information is first received from a user (S101), a portable terminal (near field communication device) currently located in the vicinity is searched. (S102). That is, the portable terminal capable of data communication is searched among the portable terminals located near the display device.

In operation S103, a list of the searched portable terminals is displayed.

Subsequently, a specific portable terminal is selected on the displayed list (S104). This may be performed by receiving a selection signal for a specific portable terminal from a user, and the controller 106 may arbitrarily select a specific portable terminal which has recently performed data communication.

In operation S105, the current operating state of the display apparatus is determined. That is, the operation state of the display apparatus is a state of watching TV, listening to USB music, broadcasting guide state, and reserved recording state.

Subsequently, when the operation state of the display apparatus is determined, key code information corresponding to the determined operation state is transmitted to the selected portable terminal (S106). That is, when the operation state is determined, the key code information for the key which can be input by the current user is extracted from the determined operation state, and only the extracted key code information is transmitted to the selected portable terminal.

In operation S107, it is determined whether a specific key code is transmitted from the portable terminal.

Subsequently, when a specific key code is transmitted from the selected portable terminal (S107), the operation corresponding to the transmitted key code is performed (S108).

When the power-off command is input from the user, the process ends. Otherwise, the process returns to the step S107 (S108).

In addition, if a specific key code is not transmitted from the portable terminal (S107), it is determined whether an operation state of the display apparatus is changed (S110).

Subsequently, when the operation state of the display apparatus is changed, the determination result (S110), key code information corresponding to the changed operation state is extracted, and the extracted key code information is retransmitted to the portable terminal (S111).

Until now, a display device has been mainly used to describe a method of transmitting its key code information to a specific portable terminal.

However, the portable terminal may be a subject, request a specific display device to transmit key code information, and generate and display a control screen based on the transmitted key code information.

9 is a flowchart illustrating a method for controlling a display apparatus of a portable terminal according to an exemplary embodiment of the present invention step by step.

As shown in FIG. 9, in the method of controlling a display apparatus of a portable terminal according to an embodiment of the present invention, the portable terminal first requests the display apparatus to transmit operation state information (S201).

In operation S202, the display apparatus determines whether the portable terminal requesting the operation state information is an accessible device.

If the portable terminal is a device to which the portable terminal is permitted to access, the display apparatus transmits corresponding operation state information to the portable terminal (S203).

The portable terminal determines whether the operation state information transmitted from the display device is previously stored operation state information (S204). That is, it is determined whether the operation state information is operation state information that has been previously received.

If the determination result (S204) is the operation state information that is not pre-stored, that is, the operation state information transmitted first, the key code information corresponding to the operation state information transmitted to the display apparatus is determined. Request for transmission (S205).

In response to the request signal from the portable terminal, the display apparatus extracts key code information corresponding to the operation state information and transmits the key code information to the portable terminal (S206).

The portable terminal configures a control screen using the key code information transmitted from the display apparatus or the pre-stored key code information, and displays the configured control screen (S207).

When the portable terminal detects an input of a specific key on the control screen (S208), the portable terminal transmits key code information corresponding to the detected key to the display apparatus (S209).

When specific key code information is transmitted from the portable terminal, the display apparatus performs an operation corresponding to the transmitted key code information (S210).

In operation S211, the portable terminal determines whether new operation state information different from the existing one is transmitted from the display apparatus.

Subsequently, when the new operation state information is transmitted from the display device, the portable terminal returns to step S204 and displays a control screen corresponding to the new operation state.

According to the embodiment of the present invention, by providing the convenience of controlling the display apparatus using a portable terminal instead of a remote controller, the user can conveniently operate the display apparatus using a user-friendly portable terminal UI (User Interface). It can work.

In addition, by transmitting only the key code information corresponding to the current state of the display device, to prevent the input of the key that can not operate in a specific state in advance, there is an effect that can reduce the confusion about the operation of the display device.

1 is a view showing a general remote controller.

2 is a view showing an overview of a data transmission system between short-range communication devices according to an embodiment of the present invention.

3 is a view showing a detailed configuration of a display device according to an embodiment of the present invention.

4 is a diagram illustrating a structure of a 'connect operation' field in an OBEX protocol.

5 to 7 are views illustrating a control screen for each operation state of the display apparatus.

8 is a flowchart illustrating a step-by-step control method of a display apparatus according to an exemplary embodiment of the present invention.

9 is a flowchart for explaining a display device control method of a portable terminal according to an embodiment of the present invention step by step.

Claims (12)

A storage unit for storing key code information; A local area communication unit performing local area communication; A search unit for searching for at least one local area communication device in the vicinity using the local area communication; And, And a controller for selecting any one of the short range communication devices searched through the search unit and transmitting key code information stored in the storage unit to the selected short range communication device. And the control unit controls to perform an operation corresponding to the transmitted key code information when specific key code information is transmitted through the selected short range communication device. The method of claim 1, And the control unit extracts only the key code information that is currently inputable based on the operation state of the display device and transmits the extracted key code information to the selected short range communication device. 3. The method of claim 2, And when the operation state of the display apparatus is changed, the controller retransmits key code information corresponding to the changed operation state to the short range communication device. The method of claim 1, Display device, characterized in that the short-range communication device is a portable terminal. In the control method of the display device having a near field communication function, Searching for at least one local area communication device in the periphery of the display apparatus using a local area communication function; Selecting one specific short range communication device from the searched short range communication devices; And, And transmitting key code information for operating the display apparatus to the selected local area communication device. The method of claim 5, And receiving the key code information transmitted from the selected local area communication device, and performing an operation corresponding to the received key code information. The method of claim 5, The step of transmitting the key code for the operation of the display device Determining a current operating state of the display device; Extracting key code information on a currently inputtable key based on the determined operation state; And transmitting only the extracted key code information to the selected local area communication device. The method of claim 7, wherein And retransmitting key code information corresponding to the changed operating state to the short range communication device when the operating state of the display apparatus is changed. In the display device control method of a portable terminal, Requesting transmission of operation state information to the display device; Receiving operation state information transmitted from the display apparatus; Displaying a control screen for key information that can be input by a current user based on the received operation state information; And, And when the input of a specific key is detected on the control screen, transmitting key code information corresponding to the detected specific key to the display apparatus. The method of claim 9, Displaying the control screen Determining whether to store key code information corresponding to the operation state; If key code information corresponding to the operation state is stored, displaying a control screen according to the stored key code information; If the key code information corresponding to the operation state is not stored, requesting transmission of the key code information corresponding to the operation state to the display apparatus. The method of claim 9, And periodically displaying a new control screen for operating the display apparatus according to whether the operation state information transmitted to the display apparatus is changed periodically. The method of claim 11, Displaying the new control screen Comparing operation state information transmitted from the display device with operation state information previously transmitted to determine whether the operation state of the display device changes; And if the operation state of the display device is changed, displaying a control screen corresponding to the key code information corresponding to the changed operation state.

Images