Display device and its operation method

Abstract

The display device according to an embodiment of the present invention includes: a display; a network interface for connecting to a router; an external device interface for receiving image data from an external device; and a processor for obtaining information of the external device connected to the external device interface, receiving an information set of a plurality of retrieval devices connected via the Internet from the router, and based on the information of the external device and the information set, when any one of the plurality of retrieval devices is identical to the external device, displaying a test screen for confirming the connection of the external device on the display.

Description

Technical Field

[0001] The present invention relates to a display device and an operation method thereof. Background Art

[0002] Digital TV services using wired or wireless networks are being popularized. Digital TV services can provide various services that cannot be provided by existing analog broadcast services.

[0003] For example, in the case of IPTV (Internet Protocol Television) and smart TV services, which are types of digital TV services, two-way features such as the ability for users to actively select the type of program to watch and the viewing time are provided. IPTV and smart TV services can also provide various additional services based on this two-way feature, such as Internet search, TV shopping, online games, etc.

[0004] In recent years, it has been possible to perform the function of a set-top box by connecting an IP device of the USB (Universal Serial Bus) type to a TV.

[0005] However, there may be an unintended connection attempt to an IP device that is not actually connected to the TV. For example, there is a problem of detecting and connecting to an IP device of a neighboring house that uses the same router.

[0006] In addition, since an IP device retrieved by IP cannot know the external input terminal connected to the TV, the user needs to confirm which external input terminal the IP device is connected to.

[0007] In addition, in the case where there are multiple IP devices of the same type connected to the network, it is impossible to determine which IP device is the one connected to the TV.

[0008] As described above, during the connection process, it may be possible to control another IP device, or an incorrect device connection setting may occur due to a user's incorrect input. Summary of the Invention

[0009] Problems to be Solved by the Invention

[0010] An object of the present invention is to provide a display device that can identify an IP device connected to the display device among a plurality of devices connected via a router.

[0011] Another object of the present invention is to be able to confirm which external input terminal of the display device an IP device retrieved by IP is connected to.

[0012] Another object of the present invention is to be able to control an IP device that cannot be controlled by the remote controller of an existing display device.

[0013] Technical solution for solving the problem

[0014] The display device according to an embodiment of the present invention includes: a display; a network interface for connecting to a router; an external device interface for receiving image data from an external device; and a processor for obtaining information of the external device connected to the external device interface, receiving an information set of a plurality of retrieval devices connected via the Internet from the router, and based on the information of the external device and the information set, when any one of the plurality of retrieval devices is identical to the external device, displaying a test screen for confirming the connection of the external device on the display.

[0015] The operation method of the display device according to an embodiment of the present invention includes: a step of obtaining information of an external device connected to an external device interface; a step of receiving an information set of a plurality of retrieval devices connected via the Internet from a router; a step of determining whether any one of the plurality of retrieval devices is identical to the external device based on the information of the external device and the information set; and a step of displaying a test screen for confirming the connection of the external device when any one of the plurality of retrieval devices is identical to the external device.

[0016] Advantages of the invention

[0017] According to various embodiments of the present invention, a user can easily identify the IP device connected to the display device among a plurality of devices connected via a router through an external device connection test.

[0018] According to an embodiment of the present invention, when an IP device that cannot be controlled by infrared communication is connected to the display device, the IP device can be easily controlled by the remote controller of the display device. Description of the drawings

[0019] Figure 1 is a block diagram showing the configuration of a display device according to an embodiment of the present invention.

[0020] Figure 2 is a block diagram of a remote control device according to an embodiment of the present invention.

[0021] Figure 3 shows an example of the actual configuration of a remote control device according to an embodiment of the present invention.

[0022] Figure 4 shows an example of using a remote control device according to an embodiment of the present invention.

[0023] Figure 5 is a diagram for explaining the network connection status between devices.

[0024] Figure 6It is a flowchart for explaining the operation method of a display device according to an embodiment of the present invention.

[0025] Figure 7 It is a diagram for explaining an example of HDIM SPD information according to an embodiment of the present invention.

[0026] Figure 8 It is a diagram for explaining an example of an information set including information of a plurality of retrieval devices received by a display device from a router according to an embodiment of the present invention.

[0027] Figures 9 to 11 It is a diagram for explaining a test execution process of confirming whether a retrieval device retrieved through an IP network is an external device connected to a display device according to an embodiment of the present invention.

[0028] Figure 12 It is an embodiment of displaying a notification that no device of the same brand as an external device connected to a display device is retrieved according to an embodiment of the present invention.

[0029] Figure 13 and Figure 14 It is a diagram for explaining a process of restoring another device to its pre-control state when the other device is controlled during a device connection test according to an embodiment of the present invention. Detailed implementation mode

[0030] Hereinafter, with reference to the accompanying drawings, embodiments related to the present invention will be described in more detail. In the following description, the suffixes "module" and "unit" of the components used are given or mixed for convenience of writing the specification, and they do not have distinct meanings or functions by themselves.

[0031] In the display device according to an embodiment of the present invention, for example, as a smart display device with a computer support function added to the broadcast reception function, while implementing the broadcast reception function, an Internet function and the like are added, and more convenient interfaces such as a handwriting input device, a touch screen or a spatial remote controller can be provided. And, it is connected to the Internet and a computer with the support of a wired or wireless Internet function, so that functions such as e-mail, web browsing, banking or gaming can also be executed. A standardized general-purpose OS can be used for such various functions.

[0032] Therefore, in the display device of the present invention, for example, since various applications can be freely added or deleted on the general-purpose OS kernel, various user-friendly functions can be executed. More specifically, the display device can be, for example, a network TV, an HBBTV (Hybrid Broadcast Broadband TV), a smart TV, an LED TV, an OLED TV (Organic Light Emitting Diode TV), etc., and can be applied to a smart phone according to circumstances.

[0033] Figure 1 It is a block diagram showing the configuration of a display device according to an embodiment of the present invention.

[0034] Referring to Figure 1 , the display device 100 may include a broadcast receiving unit 130, an external device interface unit 135, a storage unit 140, a user input interface unit 150, a processor 170, a wireless communication unit 173, a display 180, an audio output unit 185, and a power supply unit 190.

[0035] The broadcast receiving unit 130 may include a tuner 131, a demodulation unit 132, and a network interface 133.

[0036] The tuner 131 may select a specific broadcast channel according to a channel selection instruction. The tuner 131 may receive a broadcast signal of the selected specific broadcast channel.

[0037] The demodulation unit 132 may separate the received broadcast signal into a video signal, an audio signal, and a data signal related to a broadcast program, and may restore the separated video signal, audio signal, and data signal into a form capable of being output.

[0038] The external device interface unit 135 may receive an application or an application directory in an adjacent external device and transfer it to the processor 170 or the storage unit 140.

[0039] The external device interface unit 135 may provide a connection path between the display device 100 and an external device. The external device interface unit 135 may receive one or more of an image and audio output from an external device wirelessly or wiredly connected to the display device 100 and transfer it to the processor 170. The external device interface unit 135 may include a plurality of external input terminals. The plurality of external input terminals may include RGB terminals, one or more HDMI (High Definition Multimedia Interface) terminals, and component terminals.

[0040] An image signal of an external device input through the external device interface unit 135 may be output through the display 180. A voice signal of an external device input through the external device interface unit 135 may be output through the audio output unit 185.

[0041] The external device that can be connected to the external device interface unit 135 may be any one of a set-top box, a Blu-ray player, a DVD player, a game console, a sound bar, a smart phone, a PC, a USB memory, and a home theater, but this is only an example.

[0042] The network interface 133 may provide an interface for connecting the display device 100 to a wired / wireless network including the Internet. The network interface 133 may send or receive data to / from other users or other electronic devices via the connected network or another network linked to the connected network.

[0043] In addition, a part of the content data stored in the display device 100 may be sent to a user or an electronic device selected from other users or other electronic devices pre-registered in the display device 100.

[0044] The network interface 133 may be connected to a specified web page via the connected network or another network linked to the connected network. That is, it may be connected to a specified web page via the network to send or receive data to / from the corresponding server.

[0045] Moreover, the network interface 133 may receive content or data provided by a content provider or a network operator. That is, the network interface 133 may receive content such as movies, advertisements, games, VODs, broadcast signals, etc. and related information provided by a content provider or a network provider via the network.

[0046] In addition, the network interface 133 may receive update information and update files of firmware provided by a network operator, and may send data to the Internet, a content provider, or a network operator.

[0047] The network interface 133 may select and receive a required application from applications open to the public via the network.

[0048] The storage unit 140 may store programs for various signal processes and controls within the processor 170, and may store images, voices, or data signals after signal processing.

[0049] In addition, the storage unit 140 may perform a function of temporarily storing images, voices, or data signals input from the external device interface unit 135 or the network interface 133, and may also store information about specified images through a channel memory function.

[0050] The storage unit 140 may store an application or an application directory input from the external device interface unit 135 or the network interface 133.

[0051] The display device 100 may reproduce content files (video files, still image files, music files, text files, application files, etc.) stored in the storage unit 140 and provide them to the user.

[0052] The user input interface unit 150 can transmit the signals input by the user to the processor 170, or transmit the signals from the processor 170 to the user. For example, the user input interface unit 150 can receive control signals such as power on / off, channel selection, and screen setting from the remote control device 200 according to various communication methods such as Bluetooth, UltraWideband (WB), ZigBee protocol, Radio Frequency (RF) communication method, or Infrared (IR) communication method for processing, or transmit the control signals from the processor 170 to the remote control device 200.

[0053] In addition, the user input interface unit 150 can transmit the control signals input from local keys (not shown) such as the power key, channel key, volume key, and set value to the processor 170.

[0054] The image signal processed by the processor 170 can be input to the display 180 and an image corresponding to the image signal can be displayed. In addition, the image signal processed by the processor 170 can be input to an external output device through the external device interface unit 135.

[0055] The voice signal processed by the processor 170 can be output as audio to the audio output unit 185. In addition, the voice signal processed by the processor 170 can be input to an external output device through the external device interface unit 135.

[0056] In addition, the processor 170 can control the overall operation within the display device 100.

[0057] In addition, the processor 170 can control the display device 100 by using the user instructions or internal programs input through the user input interface unit 150, and can download the applications or application directories required by the user into the display device 100 by connecting to the network.

[0058] The processor 170 enables the output of the channel information selected by the user, etc., together with the processed image or voice signal, through the display 180 or the audio output unit 185.

[0059] In addition, the processor 170 can, according to the external device image reproduction instruction received through the user input interface unit 150, enable the image signal or voice signal from an external device, such as a camera or a video camera, input through the external device interface unit 135 to be output through the display 180 or the audio output unit 185.

[0060] On the other hand, the processor 170 may control the display 180 to display an image, and may be controlled to display on the display 180, for example, a broadcast image input through the tuner 131, or an external input image input through the external device interface unit 135, or an image input through the network interface unit, or an image stored in the storage unit 140. In this case, the image displayed on the display 180 may be a still image or a video, and may be a 2D image or a 3D image.

[0061] In addition, the processor 170 may control to reproduce the content stored in the display device 100, or the received broadcast content, or the external input content input from the outside. The content may be in various forms such as a broadcast image, an external input image, an audio file, a still image, a connected web page, and a text file.

[0062] The wireless communication unit 173 may perform communication with an external device through wired or wireless communication. The wireless communication unit 173 may perform short-range communication with an external device. For this purpose, the wireless communication unit 173 may adopt at least one of Bluetooth TM ), Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, Near Field Communication (NFC), Wireless-Fidelity (Wi-Fi), Wi-Fi Direct, and Wireless Universal Serial Bus (Wireless USB) technologies to support short-range communication. Such a wireless communication unit 173 may support wireless communication between the display device 100 and a wireless communication system, between the display device 100 and other display devices 100, or between the network where the display device 100 and the display device 100 (or an external server) are located through a short-range wireless network. The short-range wireless network may be a Wireless Personal Area Networks.

[0063] Here, the other display device 100 may be a mobile terminal (or a device that can be linked) capable of exchanging data with the display device 100 of the present invention, such as a wearable device (e.g., a smartwatch, a smart glass, a head mounted display (HMD)), or a smartphone. The wireless communication unit 173 may detect (or identify) a wearable device capable of communication around the display device 100. Further, when the detected wearable device is authenticated as a device that communicates with the display device 100 of the present invention, the processor 170 may transmit at least a part of the data processed in the display device 100 to the wearable device through the wireless communication unit 173. Therefore, the user of the wearable device may utilize the data processed in the display device 100 through the wearable device.

[0064] The display 180 may generate a driving signal by converting the image signal, data signal, OSD signal processed in the processor 170 or the image signal, data signal, etc. received from the external device interface unit 135 into R, G, B signals, respectively.

[0065] On the other hand, Figure 1 The illustrated display device 100 is only an embodiment of the present invention, and some of the illustrated components may be integrated, added, or omitted according to the specifications of the actually implemented display device 100.

[0066] That is, if necessary, two or more components may be combined into one component, or one component may be divided into two or more components. In addition, the functions executed in each module are only for explaining the embodiments of the present invention, and the specific actions or devices do not limit the scope of the rights of the present invention.

[0067] According to another embodiment of the present invention, the display device 100 is different from Figure 1 that illustrated, does not have a tuner 131 and a demodulation unit 132, and may receive and reproduce an image through the network interface 133 or the external device interface unit 135.

[0068] For example, the display device 100 may be separated into an image processing device, such as a set-top box, for receiving broadcast signals or content of various network services, etc., and a content reproduction device for reproducing the content input from the image processing device.

[0069] In this case, the operation method of the display device according to the embodiments of the present invention described below may be performed not only by Figure 1The above-described display device 100 may also be executed by any one of a separate image processing device such as the set-top box or a content reproduction device having a display 180 and an audio output unit 185.

[0070] Next, with reference to Figures 2 to 3 , a remote control device according to an embodiment of the present invention will be described.

[0071] Figure 2 is a block diagram of a remote control device according to an embodiment of the present invention, Figure 3 showing an example of the actual configuration of a remote control device 200 according to an embodiment of the present invention.

[0072] First, with reference to Figure 2 , the remote control device 200 may include a fingerprint recognition unit 210, a wireless communication unit 220, a user input unit 230, a sensor unit 240, an output unit 250, a power supply unit 260, a storage unit 270, a control unit 280, and a voice acquisition unit 290.

[0073] With reference to Figure 2 , the wireless communication unit 220 transceives signals with any one of the display devices of the above-described embodiments of the present invention.

[0074] The remote control device 200 may have a radio frequency module 221 capable of transceiving signals with the display device 100 according to radio frequency communication specifications, and may have an infrared module 223 capable of transceiving signals with the display device 100 according to infrared communication specifications. In addition, the remote control device 200 may have a Bluetooth module 225 capable of transceiving signals with the display device 100 according to Bluetooth communication specifications. In addition, the remote control device 200 may have a near field communication module 227 capable of transceiving signals with the display device 100 according to near field communication (NFC) communication specifications, and may have a wireless local area network module 229 capable of transceiving signals with the display device 100 according to wireless local area network (WLAN) communication specifications.

[0075] In addition, the remote control device 200 transmits a signal including information such as the operation of the remote control device 200 to the display device 100 through the wireless communication unit 220.

[0076] On the other hand, the remote control device 200 may receive a signal transmitted by the display device 100 through the radio frequency module 221, and may transmit instructions regarding power on / off, channel change, volume adjustment, etc. to the display device 100 through the infrared module 223 as needed.

[0077] The user input unit 230 may be composed of a key group, buttons, a touchpad, a touch screen, etc. The user can input instructions related to the display device 100 to the remote control device 200 by operating the user input unit 230. When the user input unit 230 has hard buttons, the user can input instructions related to the display device 100 to the remote control device 200 by pressing the hard buttons. In this regard, reference is made to Figure 3 for description.

[0078] Reference is made to Figure 3 , the remote control device 200 may include a plurality of buttons. The plurality of buttons may include a fingerprint recognition key 212, a power key 231, a home key 232, a live broadcast key 233, an external input key 234, a volume adjustment key 235, a voice recognition key 236, a channel change key 237, a confirmation key 238, and a return key 239.

[0079] The fingerprint recognition key 212 may be a button for recognizing the user's fingerprint. As an embodiment, since the fingerprint recognition key 212 can perform a pressing action, it can receive a pressing action and a fingerprint recognition action. The power key 231 may be a button for turning on / off the power of the display device 100. The home key 232 may be a button for moving to the home screen of the display device 100. The live broadcast key 233 is a button for displaying a live broadcast program. The external input key 234 may be a button for receiving an external input connected to the display device 100. The volume adjustment key 235 may be a button for adjusting the volume output by the display device 100. The voice recognition key 236 may be a button for receiving the user's voice and recognizing the received voice. The channel change key 237 may be a button for receiving a broadcast signal of a specific broadcast channel. The confirmation key 238 may be a button for selecting a specific function, and the return key 239 may be a button for returning to the previous screen.

[0080] Again, Figure 2 is described.

[0081] When a touch screen is provided in the user input unit 230, the user can input instructions related to the display device 100 to the remote control device 200 by touching the soft buttons on the touch screen. In addition, the user input unit 230 may have various input devices that the user can operate, such as a scroll key or a joystick, and this embodiment does not limit the scope of the rights of the present invention.

[0082] The sensor unit 240 may have a gyro sensor 241 or an acceleration sensor 243, and the gyro sensor 241 can sense information about the movement of the remote control device 200.

[0083] For example, the gyro sensor 241 can sense information about the movement of the remote control device 200 based on the x, y, and z axes, and the acceleration sensor 243 can sense information about the moving speed of the remote control device 200. On the other hand, since the remote control device 200 can also be equipped with a distance measurement sensor, the distance between the remote control device 200 and the display 180 of the display device 100 can be sensed.

[0084] The output unit 250 can output an image or voice signal corresponding to the operation of the user input unit 230 or to the signal transmitted from the display device 100. Through the output unit 250, the user can identify whether the user input unit 230 has been operated or whether the display device 100 has been controlled.

[0085] For example, the output unit 250 can have an LED module 251 that lights up when the user input unit 230 is operated or when signals are transmitted and received with the display device 100 through the wireless communication unit 220, or a vibration module 253 that generates vibrations, or a sound output module 255 that outputs sound, or a display module 257 that outputs images.

[0086] In addition, the power supply unit 260 supplies power to the remote control device 200, and can stop the power supply when the remote control device 200 does not operate for a specified period of time, thereby reducing power waste. The power supply unit 260 can supply power again when a specified button provided on the remote control device 200 is operated.

[0087] The storage unit 270 can store various application programs, application program data, etc. required for the control or operation of the remote control device 200. When the remote control device 200 wirelessly transmits and receives signals through the display device 100 and the RF module 221, the remote control device 200 and the display device 100 transmit and receive signals through a specified frequency band.

[0088] The control unit 280 of the remote control device 200 can store information such as the frequency band capable of wirelessly transmitting and receiving signals with the display device 100 paired with the remote control device 200 in the storage unit 270 and refer to this information.

[0089] The control unit 280 controls various matters related to the control of the remote control device 200. The control unit 280 can transmit, through the wireless communication unit 220, a signal corresponding to a specified button operation of the user input unit 230, or a signal corresponding to the movement of the remote control device 200 sensed by the sensor unit 240, to the display device 100.

[0090] In addition, the voice acquisition unit 290 of the remote control device 200 can acquire voice.

[0091] The voice acquisition unit 290 may include at least one microphone 291, and may acquire voice through the microphone 291.

[0092] Next, Figure 4 an explanation will be given.

[0093] Figure 4 An example of using a remote control device according to an embodiment of the present invention is shown.

[0094] Figure 4 In (a) of it illustrates that the cursor 205 corresponding to the remote control device 200 is displayed on the display 180.

[0095] The user can move the remote control device 200 up and down, left and right, or rotate it. The cursor 205 on the display 180 of the display device 100 corresponds to the movement of the remote control device 200. As shown in the figure, since this remote control device 200 moves in the 3D space and the corresponding cursor 205 is moved and displayed, it can be named a spatial remote controller.

[0096] Figure 4 In (b) of it illustrates that when the user moves the remote control device 200 to the left, the cursor 205 on the display 180 of the display device 100 also moves to the left correspondingly.

[0097] The information about the movement of the remote control device 200 detected by the sensor of the remote control device 200 is transmitted to the display device 100. The display device 100 can calculate the coordinates of the cursor 205 from the information about the movement of the remote control device 200. The display device 100 can display the cursor 205 corresponding to the calculated coordinates.

[0098] Figure 4 In (c) of it illustrates the situation where the user moves the remote control device 200 away from the display 180 while a specific button inside the remote control device 200 is pressed. Thus, the selection area in the display 180 corresponding to the cursor 205 can be zoomed in and enlarged.

[0099] On the contrary, when the user moves the remote control device 200 closer to the display 180, the selection area of the display 180 corresponding to the cursor 205 can be zoomed out and reduced.

[0100] On the other hand, it can also be that when the remote control device 200 is away from the display 180, the selection area is zoomed out, and when the remote control device 200 is closer to the display 180, the selection area is zoomed in.

[0101] In addition, in a state where a specific button within the remote control device 200 is pressed, recognition of up / down and left / right movement can be excluded. That is, when the remote control device 200 is moved closer to or farther from the display 180, up / down and left / right movement may not be recognized, and only forward / backward movement is recognized. In a state where the specific button within the remote control device 200 is not pressed, only the cursor 205 moves according to the up / down and left / right movement of the remote control device 200.

[0102] On the other hand, the movement speed or movement direction of the cursor 205 can correspond to the movement speed or movement direction of the remote control device 200.

[0103] On the other hand, the cursor representation in this specification is an object that is displayed on the display 180 corresponding to the operation of the remote control device 200. Therefore, the cursor 205 can be an object of various shapes other than the arrow shape shown in the drawings. For example, it can be a concept including a point, a pointer, a prompt, a thick outline, etc. And the cursor 205 can be displayed not only corresponding to any one point on the horizontal axis and the vertical axis on the display 180, but also corresponding to a plurality of points such as a line or a surface.

[0104] Figure 5 It is a diagram illustrating the network connection status between devices.

[0105] The display device 100 is wirelessly connected to the router 510. The router 510 is wirelessly connected to the first external device 501, the second external device 503, and the third external device 505.

[0106] The first external device 501 can be connected to the external device interface 135 of the display device 100. Specifically, the first external device 501 can be connected to the HDMI terminal of the external device interface 135.

[0107] Each of the first external device 501 to the third external device 505 can be a streaming media player that performs the function of a set-top box.

[0108] The streaming media player can be a dongle-type device having the size of a USB storage device. The streaming media player can be a device capable of providing broadcast images, videos, etc. through streaming.

[0109] The first external device 501 can transmit the image data and audio data received from the router 510 to the external device interface 135 of the display device 100.

[0110] The display device 100 can output the image data and audio data received from the first external device 501.

[0111] The second external device 503 and the third external device 505 are wirelessly connected to the router 510. However, they can be devices connected to another display device in the house or a display device located in a neighboring house.

[0112] Figure 6 It is a flowchart for explaining the operation method of a display device according to an embodiment of the present invention.

[0113] The processor 170 of the display device 100 acquires information of an external device connected through the external device interface 135 of the display device 100 (S601).

[0114] In one embodiment, the external device interface 135 can be an HDMI terminal, and the external device can be Figure 5 the aforementioned streaming media player.

[0115] The information of the external device can include one or more of HDMI SPD information or HDMI CEC information.

[0116] HDMI SPD (HDMI Source Product Description) information or HDMI CEC (HDMI Consumer Electronics Control) information can include information for identifying the external device connected to the HDMI terminal.

[0117] The information for identifying the external device can include one or more of information about the manufacturer of the external device, information about the type of the external device, and information about the model name and model number of the external device.

[0118] Figure 7 It is a diagram for explaining an example of HDIM SPD information according to an embodiment of the present invention.

[0119] Refer to Figure 7 , which shows an example of HDMI SPD information received from an external device connected through the HDMI terminal of the display device 100.

[0120] The HDMI SPD information 700 can include a manufacturer identifier "M" indicating the manufacturer name of the external device, a description identifier "H" indicating the product description of the external device, and a type identifier "Digital STB" indicating the type of the external device.

[0121] The processor 170 of the display device 100 can identify the external device connected through the external device interface 135 through the HDMI SPD information 700.

[0122] Specifically, the processor 170 can identify one or more of the type, brand, and model of an external device based on the manufacturer identifier, description identifier, and type identifier included in the HDMI SPD information 700.

[0123] The processor 170 can pre-store in the storage unit 140 the identification information (type, brand, model) of the external device corresponding to the HDMI SPD information 700.

[0124] The processor 170 can determine that the brand of the external device connected to the HDMI terminal is <NaNa stick> based on the HDMI SPD information 700 and the identification information of the external device stored in the storage unit 140.

[0125] In Figure 7 the HDMI SPD information 700 is taken as an example for illustration, but it is not limited thereto. Additionally, the HDMI CEC information can include Figure 7 the information shown.

[0126] Again, Figure 6 is described.

[0127] According to another embodiment, the processor 170 can adopt image recognition technology to obtain information of an external device.

[0128] When the processor 170 is connected to an external device, the processor 170 can display a menu screen related to the control of the external device based on the image signal received from the external device.

[0129] The menu screen can include information about the brand and manufacturer of the external device. The processor 170 can obtain the brand information of the external device by recognizing the brand of the external device included in the menu screen.

[0130] The processor 170 of the display device 100 receives, via the network interface 133, a set of information of a plurality of retrieved devices retrieved by IP (Internet Protocol) from the router 510 (S603).

[0131] Each of the plurality of retrieved devices can be an external device connected to the same router 510 as the display device 100.

[0132] The router 510 can retrieve external devices connected to the same network as itself and obtain the information of the retrieved devices.

[0133] The set of information of the plurality of retrieved devices can include one or more of the name of each retrieved device and the identifier of each retrieved device.

[0134] The identifier of the retrieval device can be an arbitrarily assigned string on the device retrieved by the router 510.

[0135] The router 510 can transmit the acquired information set to the display device 100.

[0136] In one embodiment, in the display device 100, when an external device is connected to the external device interface 135, a request for the information set can be transmitted to the router 510, and the router 510 can respond to the request and transmit the information set to the display device 100.

[0137] Figure 8 FIG. is an example of an information set including information of a plurality of retrieval devices received by a display device from a router according to an embodiment of the present invention.

[0138] Refer to Figure 8 , the information set 800 may include the respective information of a plurality of retrieval devices retrieved by IP. The information of each retrieval device may include a device name and a device ID.

[0139] The device ID can be an ID arbitrarily assigned by the router 510 to identify an external device connected to itself.

[0140] As Figure 8 shown, the information set 800 contains the respective information of three retrieval devices.

[0141] The processor 170 can receive the information set 800 from the router 510 and determine the brand of each retrieval device based on the received information set 800.

[0142] The brands of the retrieved devices can be different from each other.

[0143] For example, when the name of the retrieval device is <nana>In the case of, the processor 170 may determine the brand of the device as <NaNa stick>. The processor 170 may pre-store the name of the retrieval device in the storage unit 140.

[0144] The processor 170 may obtain the brand of the retrieval device from the name of the retrieval device through the storage unit 140.

[0145] Again, regarding Figure 6 will be described.

[0146] The processor 170 of the display device 100 determines whether the external device connected to the external device interface 135 is consistent with one or more of the plurality of retrieval devices based on the obtained information and information set of the external device (S605).

[0147] Specifically, the processor 170 may determine whether the brand of the external device determined based on the information of the external device and the brand of the retrieval device determined based on the information set are consistent.

[0148] In the case where the external device connected to the external device interface 135 is consistent with one or more of the plurality of retrieval devices, the processor 170 displays a test screen on the display 180 (S607).

[0149] In the case where the brand of the determined external device is included in the brands of the retrieved retrieval devices, the processor 170 may display a test screen for confirming the steps of the external device connected to the external device interface 135 on the display 180.

[0150] The test screen may be a screen for controlling the image output by the external device connected to the external device interface 135 through the remote control device 200.

[0151] The processor 170 performs a key input test through the test screen (S609).

[0152] The key input test may be a test for confirming whether the retrieval device retrieved through the IP network is the external device connected to the external device interface 135 of the display device 100.

[0153] The key input test may be performed by selecting the input of one of the four direction keys provided on the remote control device 200. This will be described below.

[0154] Figures 9 to 11 It is a diagram for explaining the test execution process of confirming whether the retrieval device retrieved through the IP network is the external device connected to the display device according to an embodiment of the present invention.

[0155] Referring to Figure 9 , in the display device 100, when the brand of the retrieval device determined based on the information set 800 is the same as the brand of the external device connected to the external device interface 135, the test screen 900 can be displayed on the display 180.

[0156] The test screen 900 can include a four-way key test screen 910 and a first device UI screen 930.

[0157] The four-way key test screen 910 can be a screen for guiding whether the input operation of the four-way keys provided in the remote control device 200 is executed normally.

[0158] The four-way key test screen 910 can include images corresponding to the four-way keys and text asking about the normal operation of the four-way keys.

[0159] The first device UI screen 930 can be a screen corresponding to the first retrieval device connected to the router 510.

[0160] The first device UI screen 930 can be a screen output from the first retrieval device connected to the router 510.

[0161] The first device UI screen 930 can be a screen for testing whether an action event occurs through the remote control device 200.

[0162] On the first device UI screen 930, a highlight box 931 that can be moved according to the input of the four-way keys can be displayed.

[0163] The first device UI screen 930 can also include one or more of the name (NaNa) and ID (bbbb) of the first retrieval device.

[0164] The display device 100 can receive the direction key input received from the remote control device 200 and move the highlight box 931 according to the received direction key input.

[0165] The user can confirm whether the highlight box 931 moves according to the direction key input.

[0166] For example, when the user presses the down direction key on the remote control device 200, it can be confirmed whether the highlight box 931 on the device UI screen 930 moves downward.

[0167] For example, as Figure 10 shown, when the highlight box 931 moves downward, the user can confirm that the first retrieval device retrieved through the IP network is the same as the external device 501 connected to the display device 100.

[0168] The user selects the confirmation key on the four-way key test screen 910. When the user selects the confirmation key, the display device 100 can determine that the setting of the IP device has been completed.

[0169] Then, for the streaming reproduction of content, the display device 100 can receive and output image data and audio data from the external device 501.

[0170] Thus, the user can confirm and set the device connected to the display device 100 among the multiple retrieved devices retrieved through the router 510.

[0171] On the other hand, when the user presses the down arrow key on the remote control device 200, the highlighted box 931 on the device UI screen 930 may not move downwards.

[0172] The user selects the disagree button on the four-way key test screen 910. When the user selects the disagree button, the display device 100 can determine that the setting of the IP device has not been completed.

[0173] In response to the user's input of the disagree button, the display device 100 can change the first device UI screen 930 to the second device UI screen 1130.

[0174] The second device UI screen 1130 can be a screen corresponding to the second retrieved device connected to the router 510.

[0175] The second device UI screen 1130 can be a screen output from the second retrieved device connected to the router 510.

[0176] The second device UI screen 1130 can be a screen for testing whether an action event occurs through the remote control device 200.

[0177] Similarly, a highlighted box 931 that can be moved according to the input of the four-way keys can be displayed on the second device UI screen 1130.

[0178] The second device UI screen 1130 may further include one or more of the name (NaNa) and ID (bbbb) of the second retrieved device.

[0179] The display device 100 can receive the input of the direction keys received from the remote control device 200 and move the highlighted box 931 according to the received input of the direction keys.

[0180] The user can confirm whether the highlighted box 931 moves according to the input of the direction keys, and can perform the test according to the Figure 9 and Figure 10 methods.

[0181] As described above, the user can efficiently perform the process of connecting the device retrieved via the IP network to the display device 100.

[0182] Again, Figure 6 will be described.

[0183] On the other hand, when the external device connected to the external device interface 135 does not match any of the plurality of retrieval devices, the processor 170 outputs a notification indicating that there is no retrieval device identical to the connected external device (S611).

[0184] When the brand of the retrieval device obtained based on the information set 800 does not include the brand of the external device connected to the external device interface 135, the processor 170 may output a notification indicating that no retrieval device with the same brand as the connected external device has been retrieved.

[0185] The processor 170 may output the notification to the display 180, or may output it through the audio output unit 185.

[0186] Figure 12 is an embodiment of a notification according to an embodiment of the present invention that indicates that no device with the same brand as the external device connected to the display device has been retrieved.

[0187] Referring to Figure 12 , when a device with the same brand as the external device connected to the external device interface 135 cannot be retrieved via the IP network, the display device 100 may display a notification 1200 on the display 180 to inform of this situation.

[0188] The user can confirm through the notification 1200 that the external device 501 and the router 510 connected to the external device interface 135 are not connected, and take subsequent measures for connection.

[0189] Figure 13 and Figure 14 is a diagram according to an embodiment of the present invention for explaining the process of restoring another device to its pre-control state when another device is controlled during a device connection test.

[0190] In Figure 13 , it is assumed that a display device 100 connected to an external device 501 and another display device 100-1 connected to another external device 503 are set up at home.

[0191] It is assumed that the display device 100, the external device 501, the other display device 100-1, and the other external device 503 are all connected via the same router.

[0192] Assume that the first search device corresponding to the first device UI screen 930 is inconsistent with the external device 501 connected to the display device 100.

[0193] The display device 100 can receive a signal for selecting the down button from the remote control device 200. When the first search device corresponding to the first device UI screen 930 is inconsistent with the external device 501 connected to the display device 100, the highlighting frame 931 may not move.

[0194] On the contrary, according to the down button selection signal, the highlighting frame 931 on the UI screen 1330 of another device displayed on the display 180-1 of another display device 100-1 may move downward.

[0195] That is, another display device 100-1 can move the highlighting frame 931 downward according to the down button selection signal.

[0196] However, since the user's intention is to control the external device 501 connected to the display device 100, it is necessary to restore the movement of the highlighting frame 931 on the other display device 100-1.

[0197] Refer to Figure 14 , the display device 100 can receive a disagree (NO) selection signal from the remote control device 200 indicating that no action occurs for the input of the four direction keys.

[0198] In this case, another display device 100-1 can move the highlighting frame 931 to its original position according to the disagree selection signal.

[0199] Another display device 100-1 can recognize the disagree selection signal as a signal for moving the highlighting frame 931 in the opposite direction to that indicated by the down button signal.

[0200] As another example, the display device 100 can transmit the disagree selection signal received from the remote control device 200 to another display device 100-1. Another display device 100-1 can respond to the disagree selection signal received from the display device 100 and move the position of the highlighting frame 931 to its original position.

[0201] As described above, according to Figure 13 and Figure 14 , during the IP device confirmation test, even when inadvertently controlling another IP device, it is possible to restore the control state of the other IP device to its original state.

[0202] According to an embodiment of the present invention, the above method can be implemented as a processor-readable code in a medium recording a program. As an example of a medium readable by a processor, there are ROM (Read Only Memory), RAM (Random Access Memory), CD-ROM (Compact Disc Read Only Memory), magnetic tape, floppy disk, optical data storage device, etc.

[0203] In the display device as described above, the configurations and methods of the above embodiments are not limited to being used, but the embodiments can also be formed by selectively combining all or a part of each of the embodiments, so as to enable various deformations.< / nana>

Claims

1. A display device, comprising: Monitor; Network interface for connecting to a router; External device interface; And A processor that obtains identification information of an external device connected to the external device interface, receives information sets for each of a plurality of retrieved devices retrieved through the Internet from the router, and determines whether the identification information of the external device is consistent with the identification information of the retrieved devices included in the information sets; Wherein, in the processor, When the identification information of the external device is consistent with the identification information of the retrieved device, a test screen for confirming whether the retrieved device retrieved through the Internet is the external device connected to the external device interface is displayed on the monitor; The test screen includes a four-way key test screen for guiding selection of four-way keys and a UI screen corresponding to any one of the plurality of retrieved devices that is consistent with the external device; The processor receives a non-agreement selection signal from a remote control device indicating that no action occurs for an input to the four-way keys; Another display device recognizes the non-agreement selection signal as a signal for moving a highlighted display box in a direction opposite to that indicated by a down key signal, and the another display device moves the position of the highlighted display box to its original position according to the non-agreement selection signal.

2. The display device according to claim 1, wherein, The identification information of the external device includes the name of the external device, the type of the external device, and the manufacturer of the external device obtained from the external device connected to the external device interface.

3. The display device according to claim 2, wherein, The external device interface includes an HDMI terminal; The identification information of the external device includes one or more of HDMI source product description information, i.e., HDMI SPD information, and HDMI consumer electronics control information, i.e., HDMI CEC information.

4. The display device according to claim 1, wherein, The processor displays an image based on image data received from the external device on the monitor and obtains the identification information of the external device by recognizing the image.

5. The display device according to claim 1, wherein, The processor requests the information sets from the router through the network interface and receives the information sets from the router as a response to the request.

6. The display device according to claim 5, wherein, The information sets include the respective names of the plurality of retrieved devices retrieved by the router and the respective IDs of the plurality of retrieved devices.

7. The display device according to claim 1, wherein, When there is no device in the plurality of retrieved devices that is consistent with the external device, the processor outputs a notification for informing that the external device has not been retrieved through the Internet.

8. The display device according to claim 1, wherein, When the processor receives a non-agreement selection signal from the remote control device, the first UI screen of the first retrieved device is changed to the second UI screen of the second retrieved device.

9. A method for operating a display device, comprising: The step of obtaining identification information of an external device connected to an external device interface; The step of receiving information sets for each of a plurality of retrieved devices retrieved through the Internet from a router; The step of determining whether the identification information of the external device is consistent with the identification information of the retrieved devices included in the information sets; Wherein, the operation method further includes: When the identification information of the external device is consistent with the identification information of the retrieval device, a step of displaying on a display a test screen for confirming whether the retrieval device retrieved through the Internet is the external device interface-connected to the external device The test screen includes a four-way key test screen for guiding selection of four-way keys and a UI screen corresponding to any one of the plurality of retrieval devices that is consistent with the external device Receiving, from a remote control device, a non-agreement selection signal indicating that no action occurs for an input to the four-way keys Another display device recognizes the non-agreement selection signal as a signal for moving a highlight frame in a direction opposite to that indicated by a down key signal, and the another display device moves the position of the highlight frame to its original position according to the non-agreement selection signal 10. The method for operating a display device according to claim 9, wherein, The identification information of the external device includes the name of the external device, the type of the external device, and the manufacturer of the external device obtained from the external device interface-connected to the external device 11. The operation method of the display device according to claim 9, wherein, It further includes a step of requesting the information set from the router The receiving step includes As a response to the request, a step of receiving the information set from the router 12. The operation method of the display device according to claim 11, wherein, The information set includes the respective names of the plurality of retrieval devices retrieved by the router and the respective IDs of the plurality of retrieval devices

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