Display device and method for operating same

Abstract

A display device according to an embodiment of the present disclosure may comprise: a display; and a controller that displays information on the display in a normal power mode of the display device, receives a request to enter a low power mode of the display device, and, in response to the received request, switches the power mode of the display device from the normal power mode to the low power mode while displaying a portion of the displayed information on the display.

Description

Display device and method of operation thereof

[0001] The present disclosure relates to a display device, and more specifically, to a display device for browsing viewing information of video content and music information.

[0002] Digital TV services using wired or wireless communication networks are becoming commonplace. Digital TV services can provide a variety of services that were not available through existing analog broadcasting services.

[0003] For example, digital TV services such as IPTV (Internet Protocol Television) and smart TV services provide interactivity that allows users to actively select the types of programs and viewing time. Based on this interactivity, IPTV and smart TV services can also provide various additional services, such as internet search, home shopping, and online games.

[0004] After watching video content such as movies or dramas on TV, many viewers search for music or musicians associated with the content.

[0005] Even if viewers did not intend it, the experience of accidentally discovering music while watching video content and consuming that music becomes a meaningful user experience for many people.

[0006] Conventionally, users only search for music by directly searching the internet or using a smartphone, and a user experience capable of providing music that plays together while watching video content is not provided.

[0007] The purpose of the present disclosure may be to automatically recognize music played along with video content and to provide linked viewing information and music information on a single screen.

[0008] The purpose of the present disclosure may be to provide a screen that allows browsing information about music that is briefly heard while watching video content according to a viewing schedule.

[0009] The purpose of the present disclosure may be to provide a method for easily checking and playing video content that has been viewed in the past and music that was played along with the video content.

[0010] The purpose of the present disclosure may be to automatically search for music playing along with video content while watching video content.

[0011] The purpose of the present disclosure may be to provide information about music played within video content after the viewing of video content has ended.

[0012] The purpose of the present disclosure may be to provide only some information of the music magazine screen when the music magazine screen is switched to a low power mode while being displayed.

[0013] The object of the present disclosure may be to provide a method for quickly switching to a music magazine screen while displaying information about music being played under low power mode.

[0014] A display device according to an embodiment of the present disclosure may include: a display; and a controller that displays information on the display under a normal power mode of the display device, receives a request for entry into a low power mode of the display device, switches the power mode of the display device from the normal power mode to the low power mode according to the received request, and displays some of the displayed information on the display.

[0015] A method of operation of a display device according to an embodiment of the present disclosure may include: a step of displaying information under a normal power mode of the display device; a step of receiving a request for entry into a low power mode of the display device; and a step of displaying some of the displayed information while switching the power mode of the display device from the normal power mode to the low power mode in accordance with the received request.

[0016] According to an embodiment of the present disclosure, a user can easily access video content and music that they have previously viewed through a music magazine screen.

[0017] According to an embodiment of the present disclosure, the user can intuitively check video content and music watched in the past without a separate search process, thereby enjoying an improved user experience.

[0018] According to an embodiment of the present disclosure, easy access is possible to a specific playback point of video content viewed in the past and a start point of music output.

[0019] According to an embodiment of the present disclosure, as the power mode of a display device is switched from a normal power mode to a low power mode, only minimal information may be displayed. Accordingly, the power consumption of the display device is reduced, and at the same time, only the information necessary for the user can be intuitively provided.

[0020] According to an embodiment of the present disclosure, a rapid transition to a music magazine screen displaying information about music being played under low power mode may be possible. Accordingly, the user experience may be improved as a seamless flow is provided.

[0021] FIG. 1 is a block diagram illustrating the configuration of a display device according to one embodiment of the present invention.

[0022] FIG. 2 is a block diagram of a remote control device according to one embodiment of the present invention.

[0023] FIG. 3 shows an example of the actual configuration of a remote control device according to one embodiment of the present invention.

[0024] Figure 4 shows an example of utilizing a remote control device according to an embodiment of the present invention.

[0025] FIG. 5 is a drawing for explaining the configuration of a system according to one embodiment of the present disclosure.

[0026] FIG. 6 is a flowchart illustrating a method of operation of a display device according to one embodiment of the present disclosure.

[0027] FIGS. 7a to 7c are drawings illustrating a process of determining whether music is played using subtitles output together with video content according to an embodiment of the present disclosure.

[0028] FIGS. 8a through 8f are drawings illustrating examples of providing a notification indicating that music information is being searched or that music information has been obtained, according to an embodiment of the present disclosure.

[0029] FIGS. 9a to 9f are drawings illustrating a music magazine screen according to an embodiment of the present disclosure.

[0030] FIGS. 10a and FIGS. 10b are drawings illustrating how the layout of a music magazine screen is changed according to an embodiment of the present disclosure.

[0031] FIGS. 11a to 11e are drawings illustrating scenarios related to the playback of music corresponding to music items included on a music magazine screen according to an embodiment of the present disclosure.

[0032] FIG. 12 is a diagram illustrating a process for inducing subscription to a streaming video service for playing video content when a command for playing video content is received through a music magazine screen according to one embodiment of the present disclosure.

[0033] FIGS. 13a to 13c are drawings illustrating embodiments of displaying linked products together using music information within video content viewed by a user.

[0034] FIG. 14 is a flowchart for a method of operating a display device according to another embodiment of the present disclosure.

[0035] FIGS. 15a and FIGS. 15b are diagrams illustrating that the information being displayed changes as the power mode of the display device switches from normal power mode to low power mode.

[0036] FIGS. 16a to 17e are drawings illustrating a scenario for linking a music magazine screen between a display device and a terminal device according to an embodiment of the present disclosure.

[0037] FIGS. 18a and FIGS. 18b are drawings illustrating an example of switching an AOD screen to another screen according to one embodiment of the present disclosure.

[0038] Hereinafter, embodiments related to the present invention will be described in more detail with reference to the drawings. The suffixes "module" and "part" for components used in the following description are assigned or used interchangeably solely for the ease of drafting the specification, and do not inherently have distinct meanings or roles.

[0039] A display device according to an embodiment of the present invention is, for example, an intelligent display device that adds computer support functions to a broadcast reception function. While faithful to the broadcast reception function, it also adds internet functions, and can be equipped with a more user-friendly interface such as a handwriting input device, a touch screen, or a spatial remote control. Furthermore, by supporting wired or wireless internet functions, it can be connected to the internet and a computer, and can perform functions such as email, web browsing, banking, or games. A standardized general-purpose OS may be used for these various functions.

[0040] Accordingly, the display device described in the present invention allows various applications to be freely added or removed, for example, on a general-purpose OS kernel, thereby enabling various user-friendly functions to be performed. More specifically, the display device may be, for example, a network TV, HBB TV, smart TV, LED TV, OLED TV, etc., and may also be applicable to smartphones depending on the circumstances.

[0041] FIG. 1 is a block diagram illustrating the configuration of a display device according to one embodiment of the present invention.

[0042] Referring to FIG. 1, the display device (100) may include a video receiver (130), an external device interface (135), a memory (140), a user input interface (150), a controller (170), a wireless communication interface (173), a display (180), a speaker (185), and a power supply circuit (190).

[0043] The video receiver (130) may include a tuner (131), a demodulator (132), and a network interface (133).

[0044] The tuner (131) can tune to a specific broadcast channel according to a channel tuning command. The tuner (131) can receive a broadcast signal for the tuned specific broadcast channel.

[0045] The demodulator (132) can separate the received broadcast signal into a video signal, an audio signal, and a data signal related to the broadcast program, and can restore the separated video signal, audio signal, and data signal into a form that can be output.

[0046] The external device interface (135) can receive an application or a list of applications within an adjacent external device and transmit it to the controller (170) or memory (140).

[0047] The external device interface (135) can provide a connection path between the display device (100) and an external device. The external device interface (135) can receive one or more of video and audio output from an external device connected to the display device (100) wirelessly or via a wired connection, and transmit them to the controller (170). The external device interface (135) may include a plurality of external input terminals. The plurality of external input terminals may include an RGB terminal, one or more HDMI (High Definition Multimedia Interface) terminals, and a component terminal.

[0048] The video signal of an external device input through the external device interface (135) can be output through the display (180). The audio signal of an external device input through the external device interface (135) can be output through the speaker (185).

[0049] The external device that can be connected to the external device interface (135) may be any one of a set-top box, Blu-ray player, DVD player, game console, soundbar, smartphone, PC, USB memory, or home theater, but this is merely an example.

[0050] The network interface (133) may provide an interface for connecting the display device (100) to a wired / wireless network including the Internet network. The network interface (133) may transmit or receive data to or from other users or other electronic devices through the connected network or another network linked to the connected network.

[0051] In addition, some of the content data stored in the display device (100) can be transmitted to another user or other electronic device selected among other users or other electronic devices that are previously registered in the display device (100).

[0052] The network interface (133) can access a specific web page through a connected network or another network linked to the connected network. That is, it can access a specific web page through a network and transmit or receive data with the corresponding server.

[0053] Additionally, the network interface (133) can receive content or data provided by a content provider or network operator. That is, the network interface (133) can receive content such as movies, advertisements, games, VOD, broadcast signals, and related information provided by a content provider or network provider through a network.

[0054] Additionally, the network interface (133) can receive firmware update information and update files provided by the network operator, and can transmit data to the internet or a content provider or network operator.

[0055] The network interface (133) can select and receive a desired application among the applications that are open to the public through the network.

[0056] The memory (140) can store programs for each signal processing and control within the controller (170), and can store signal-processed video, audio, or data signals.

[0057] Additionally, the memory (140) may perform the function of temporarily storing video, audio, or data signals input from an external device interface (135) or a network interface (133), and may also store information regarding a predetermined image through a channel memory function.

[0058] The memory (140) can store an application or a list of applications input from an external device interface (135) or a network interface (133).

[0059] The display device (100) can play content files (video files, still image files, music files, document files, application files, etc.) stored in memory (140) and provide them to the user.

[0060] The user input interface (150) can transmit a signal input by the user to the controller (170) or transmit a signal from the controller (170) to the user. For example, the user input interface (150) can receive and process 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, Ultra Wideband (WB), ZigBee, Radio Frequency (RF) communication, or Infrared (IR) communication, or process to transmit control signals from the controller (170) to the remote control device (200).

[0061] Additionally, the user input interface (150) can transmit control signals input from local keys (not shown), such as power key, channel key, volume key, and setting value, to the controller (170).

[0062] The image signal processed by the controller (170) can be input to the display (180) and displayed as an image corresponding to the image signal. Additionally, the image signal processed by the controller (170) can be input to an external output device through the external device interface (135).

[0063] The voice signal processed by the controller (170) can be output as audio to the speaker (185). Additionally, the voice signal processed by the controller (170) can be input to an external output device through the external device interface (135).

[0064] In addition, the controller (170) can control the overall operation within the display device (100).

[0065] Additionally, the controller (170) can control the display device (100) by means of user commands or internal programs entered through the user input interface (150), and can connect to a network to allow the user to download an application or a list of applications desired by the user into the display device (100).

[0066] The controller (170) enables the processed video or audio signal, such as channel information selected by the user, to be output through the display (180) or speaker (185).

[0067] Additionally, the controller (170) enables a video signal or audio signal from an external device, such as a camera or camcorder, input through the external device interface (135) according to an external device video playback command received through the user input interface (150), to be output through the display (180) or speaker (185).

[0068] Meanwhile, the controller (170) can control the display (180) to display video, for example, broadcast video input through the tuner (131), external input video input through the external device interface (135), video input through the network interface, or video stored in the memory (140) can be controlled to be displayed on the display (180). In this case, the video displayed on the display (180) may be a still image or a video, and may be a 2D image or a 3D image.

[0069] Additionally, the controller (170) can control the playback of content stored in the display device (100), received broadcast content, or external input content input from the outside, and the content may be in various forms such as broadcast video, external input video, audio file, still image, connected web screen, and document file.

[0070] The wireless communication interface (173) can communicate with an external device via wired or wireless communication. The wireless communication interface (173) can perform short-range communication with an external device. To this end, the wireless communication interface (173) can support short-range communication by using at least one of Bluetooth™, RFID (Radio Frequency Identification), 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. Such wireless communication interface (173) can support wireless communication between the display device (100) and a wireless communication system, between the display device (100) and another display device (100), or between the display device (100) and a network where the display device (100, or an external server) is located, through wireless area networks. Short-range wireless communication networks can be Wireless Personal Area Networks.

[0071] Here, another display device (100) may be a mobile terminal such as a wearable device (e.g., a smartwatch, smart glass, HMD (head mounted display)), a smartphone, etc., capable of exchanging data with (or interacting with) the display device (100) according to the present invention. The wireless communication interface (173) may detect (or recognize) a wearable device capable of communicating around the display device (100).

[0072] Furthermore, if the detected wearable device is a device authenticated to communicate with the display device (100) according to the present invention, the controller (170) can transmit at least a portion of the data processed in the display device (100) to the wearable device through the wireless communication interface (173). Accordingly, the user of the wearable device can use the data processed in the display device (100) through the wearable device.

[0073] The display (180) can generate a driving signal by converting the video signal, data signal, OSD signal processed by the controller (170) or the video signal, data signal, etc. received from the external device interface (135) into R, G, and B signals, respectively.

[0074] Meanwhile, since the display device (100) illustrated in FIG. 1 is merely an embodiment of the present invention, some of the illustrated components may be integrated, added, or omitted depending on the specifications of the actual implemented display device (100).

[0075] That is, as needed, two or more components may be combined into a single component, or a single component may be subdivided into two or more components. In addition, the functions performed in each block are intended to explain embodiments of the present invention, and the specific operations or devices thereof do not limit the scope of the present invention.

[0076] According to another embodiment of the present invention, the display device (100) may receive and play video through a network interface (133) or an external device interface (135) without having a tuner (131) and a demodulator (132), unlike as shown in FIG. 1.

[0077] For example, the display device (100) may be implemented by separating it into a video processing device, such as a set-top box, for receiving broadcast signals or content according to various network services, and a content playback device for playing content input from the video processing device.

[0078] In this case, the operation method of a display device according to an embodiment of the present invention described below may be performed not only by the display device (100) described with reference to FIG. 1, but also by any one of an image processing device such as the separated set-top box, or a content playback device having a display (180) and a speaker (185).

[0079] Next, with reference to FIGS. 2 and 3, a remote control device according to an embodiment of the present invention will be described.

[0080] FIG. 2 is a block diagram of a remote control device according to one embodiment of the present invention, and FIG. 3 shows an example of the actual configuration of a remote control device (200) according to one embodiment of the present invention.

[0081] First, referring to FIG. 2, the remote control device (200) may include a fingerprint reader (210), a wireless communication circuit (220), a user input interface (230), a sensor (240), an output interface (250), a power supply circuit (260), a memory (270), a controller (280), and a microphone (290).

[0082] Referring to FIG. 2, the wireless communication circuit (220) transmits and receives signals with any one of the display devices according to the embodiments of the present invention described above.

[0083] The remote control device (200) is equipped with an RF circuit (221) capable of transmitting and receiving signals to and from the display device (100) according to RF communication standards, and may be equipped with an IR circuit (223) capable of transmitting and receiving signals to and from the display device (100) according to IR communication standards. Additionally, the remote control device (200) may be equipped with a Bluetooth circuit (225) capable of transmitting and receiving signals to and from the display device (100) according to Bluetooth communication standards. Furthermore, the remote control device (200) may be equipped with an NFC circuit (227) capable of transmitting and receiving signals to and from the display device (100) according to NFC (Near Field Communication) communication standards, and may be equipped with a WLAN circuit (229) capable of transmitting and receiving signals to and from the display device (100) according to WLAN (Wireless LAN) communication standards.

[0084] Additionally, the remote control device (200) transmits a signal containing information regarding the movement of the remote control device (200), etc., to the display device (100) through a wireless communication circuit (220).

[0085] Meanwhile, the remote control device (200) can receive a signal transmitted by the display device (100) through the RF circuit (221), and, if necessary, can transmit commands regarding power on / off, channel change, volume change, etc. to the display device (100) through the IR circuit (223).

[0086] The user input interface (230) may be composed of a keypad, buttons, a touchpad, or a touch screen. The user can input commands related to the display device (100) to the remote control device (200) by operating the user input interface (230). If the user input interface (230) is equipped with a hard key button, the user can input commands related to the display device (100) to the remote control device (200) through a push operation of the hard key button. This will be explained with reference to FIG. 3.

[0087] Referring to FIG. 3, the remote control device (200) may include a plurality of buttons. The plurality of buttons may include a fingerprint recognition button (212), a power button (231), a home button (232), a live button (233), an external input button (234), a volume control button (235), a voice recognition button (236), a channel change button (237), a confirmation button (238), and a back button (239).

[0088] The fingerprint recognition button (212) may be a button for recognizing a user's fingerprint. In one embodiment, the fingerprint recognition button (212) may be capable of a push operation and may receive a push operation and a fingerprint recognition operation.

[0089] The power button (231) may be a button for turning the power of the display device (100) on / off.

[0090] The home button (232) may be a button for moving to the home screen of the display device (100).

[0091] The live button (233) may be a button for displaying a live broadcast program.

[0092] The external input button (234) may be a button for receiving an external input connected to the display device (100).

[0093] The volume control button (235) may be a button for adjusting the volume output by the display device (100).

[0094] The voice recognition button (236) may be a button for receiving the user's voice and recognizing the received voice.

[0095] The channel change button (237) may be a button for receiving a broadcast signal of a specific broadcast channel.

[0096] The confirmation button (238) may be a button for selecting a specific function, and the back button (239) may be a button for returning to the previous screen.

[0097] Figure 2 is explained again.

[0098] If the user input interface (230) is equipped with a touchscreen, the user can input commands related to the display device (100) to the remote control device (200) by touching the soft keys on the touchscreen. Additionally, the user input interface (230) may be equipped with various types of input means that the user can operate, such as scroll keys or jog keys, and this embodiment does not limit the scope of the present invention.

[0099] The sensor (240) may be equipped with a gyroscope sensor (241) or an accelerometer sensor (243), and the gyroscope sensor (241) may sense information regarding the movement of the remote control device (200).

[0100] For example, the gyroscope sensor (241) can sense information regarding the operation of the remote control device (200) based on the x, y, and z axes, and the accelerometer sensor (243) can sense information regarding the movement speed of the remote control device (200). Meanwhile, the remote control device (200) may further be equipped with a distance measuring sensor to sense the distance to the display (180) of the display device (100).

[0101] The output interface (250) can output a video or audio signal corresponding to the operation of the user input interface (230) or a signal transmitted from the display device (100).

[0102] The user can recognize whether the output interface (250) is operated by the user input interface (230) or whether the display device (100) is controlled.

[0103] For example, the output interface (250) may be equipped with an LED (251) that lights up when the user input interface (230) is operated or when a signal is transmitted or received with the display device (100) through the wireless communication circuit (220), a vibrator (253) that generates vibration, a speaker (255) that outputs sound, or a display (257) that outputs video.

[0104] Additionally, the power supply circuit (260) supplies power to the remote control device (200), and can reduce power waste by stopping the power supply when the remote control device (200) does not move for a predetermined period of time.

[0105] The power supply circuit (260) can resume power supply when a predetermined key provided in the remote control device (200) is operated.

[0106] The memory (270) can store various types of programs, application data, etc. required for the control or operation of the remote control device (200).

[0107] When the remote control device (200) transmits and receives signals wirelessly through the RF circuit (221) and the display device (100), the remote control device (200) and the display device (100) transmit and receive signals through a predetermined frequency band.

[0108] The controller (280) of the remote control device (200) can store and refer to information regarding frequency bands, etc., that can wirelessly transmit and receive signals with the display device (100) paired with the remote control device (200) in the memory (270).

[0109] The controller (280) controls all matters related to the control of the remote control device (200). The controller (280) can transmit a signal corresponding to a predetermined key operation of the user input interface (230) or a signal corresponding to the movement of the remote control device (200) sensed by the sensor (240) to the display device (100) through the wireless communication circuit (220).

[0110] In addition, the microphone (290) of the remote control device (200) can acquire voice.

[0111] The microphone (290) may be provided in multiple numbers.

[0112] Next, Figure 4 is explained.

[0113] Figure 4 shows an example of utilizing a remote control device according to an embodiment of the present invention.

[0114] FIG. 4(a) illustrates a pointer (205) corresponding to a remote control device (200) being displayed on a display (180).

[0115] The user can move or rotate the remote control device (200) up and down, left and right. The pointer (205) displayed on the display (180) of the display device (100) corresponds to the movement of the remote control device (200). Since the pointer (205) of the remote control device (200) moves and is displayed according to the movement in 3D space as shown in the drawing, it can be named a spatial remote control.

[0116] FIG. 4(b) illustrates that when the user moves the remote control device (200) to the left, the pointer (205) displayed on the display (180) of the display device (100) also moves to the left in response.

[0117] Information regarding the movement of the remote control device (200) detected through 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 pointer (205) from the information regarding the movement of the remote control device (200). The display device (100) can display the pointer (205) to correspond to the calculated coordinates.

[0118] FIG. 4(c) illustrates a case where, while pressing a specific button within the remote control device (200), the user moves the remote control device (200) away from the display (180). By doing so, the selected area within the display (180) corresponding to the pointer (205) can be zoomed in and enlarged.

[0119] Conversely, when the user moves the remote control device (200) closer to the display (180), the selected area within the display (180) corresponding to the pointer (205) can be zoomed out and reduced in size.

[0120] Meanwhile, when the remote control device (200) moves away from the display (180), the selected area may be zoomed out, and when the remote control device (200) moves closer to the display (180), the selected area may be zoomed in.

[0121] Additionally, when a specific button within the remote control device (200) is pressed, recognition of up-down and left-right movement may be excluded. That is, when the remote control device (200) moves away from or closer to the display (180), up-down, left-right movement is not recognized, and only forward-backward movement is recognized. When the specific button within the remote control device (200) is not pressed, only the pointer (205) moves according to the up-down, left-right movement of the remote control device (200).

[0122] Meanwhile, the movement speed or direction of movement of the pointer (205) can correspond to the movement speed or direction of movement of the remote control device (200).

[0123] Meanwhile, the pointer in this specification refers to an object displayed on the display (180) in response to the operation of the remote control device (200). Accordingly, the pointer (205) can be an object of various shapes other than the arrow shape shown in the drawing. For example, it may be a concept including a point, a cursor, a prompt, a thick outline, etc. Furthermore, the pointer (205) can be displayed corresponding to either a point on the horizontal axis or a vertical axis on the display (180), and it is also possible to display it corresponding to multiple points, such as a line or a surface.

[0124] FIG. 5 is a drawing for explaining the configuration of a system according to one embodiment of the present disclosure.

[0125] Referring to FIG. 5, the system (50) may include a display device (100) and a server (500).

[0126] The display device (100) can extract music through a voice analysis model that extracts music from audio being played along with video content, and can transmit at least a portion of the extracted music to a server (500).

[0127] The server (500) can obtain matching music information from a database using at least a portion of the received music. The server (500) can transmit the obtained music information to a display device (100).

[0128] The server (500) can be referred to as a cloud server.

[0129] FIG. 6 is a flowchart illustrating a method of operation of a display device according to one embodiment of the present disclosure.

[0130] Referring to FIG. 6, the controller (170) of the display device (100) can play video content on the display (180) (S601).

[0131] In one embodiment, the video content may be a video received from a broadcasting station server through a tuner (131), a video received from an external server through a network interface (133), a video received from an external device through an external device interface (135), or a video received from an external terminal through a wireless communication interface (173).

[0132] The controller (170) can obtain information about the video content being played, the music of the video content, and the playback time of the video content corresponding to the output time of the music (S603).

[0133] Information about the video content currently being played may include at least one of the title of the video content, the channel of the video content, or the broadcast time of the video content. The controller (170) may obtain information about the video content from an Electronic Program Guide or metadata received together with the video content.

[0134] The music of the video content is music corresponding to the video content, and may be audio playing along with the video content.

[0135] The controller (170) can extract music from the audio being played along with the video content. The audio being played along with the video content may include at least one of the following: voice spoken by a character, object voice according to the movement of an object, and music representing background music.

[0136] In one embodiment, the controller (170) can automatically extract music using subtitles displayed along with video content. The controller (170) can determine whether music is currently playing using closed captions (CC) displayed along with video content, and if it is determined that music is currently playing, it can extract the music. The controller (170) can determine that music is currently playing if the closed caption contains musical notes or text indicating that music is playing.

[0137] FIGS. 7a to 7c are drawings illustrating a process of determining whether music is played using subtitles output together with video content according to an embodiment of the present disclosure.

[0138] Referring to FIG. 7a, the display device (100) is playing video content (710) and subtitles (711). The display device (100) can determine that music is playing if the subtitles (711) contain musical notes (711a), and can store the music being played in a buffer of memory (140).

[0139] Referring to FIG. 7b, the display device (100) is playing video content (720) and subtitles (721). The display device (100) can determine that music is playing if the subtitles (721) contain text indicating that music is playing, and can store the music being played in a buffer of memory (140).

[0140] Referring to FIG. 7c, the display device (100) is playing video content (730) and subtitles (731). The display device (100) can determine that music is playing if the subtitles (731) contain text indicating that music is playing, and can store the music being played in a buffer of memory (140).

[0141] Again, Figure 6 is explained.

[0142] In another embodiment, the controller (170) can extract music from audio being played along with video content using a voice analysis model stored in memory (140). The voice analysis model may be a model that extracts music by separating a person's voice and noise from the audio.

[0143] The voice analysis model may be an artificial neural network-based model that has learned a spectrogram corresponding to audio and a pattern corresponding to a specific sound source (voice, noise, music). The spectrogram may be a tool that converts an audio signal into the time-frequency domain. The controller (170) can convert audio into a spectrogram and input the converted spectrogram into the voice analysis model. The voice analysis model can extract music by separating the person's voice and noise from the spectrogram.

[0144] The display device (100) may further include a voice analysis chip for executing a voice analysis model. The voice analysis chip may be included in the controller (170) or provided separately from the controller (170).

[0145] In another embodiment, the controller (170) can extract music from the audio of the video content upon receiving a user command. The user command may be a command to select a specific button provided on the remote control device (200) or a voice command from the user. The user's voice command may be a command such as "Search for the background music playing now." The controller (170) can acquire the audio of the video content from the moment it receives the user command and can extract music from the acquired audio using the voice analysis model.

[0146] Even if music is extracted from audio using subtitles, the audio may contain voices or noise other than music. In this case, the controller (170) can still extract music from the audio through a voice analysis model.

[0147] Meanwhile, the controller (170) can extract a playback time of video content corresponding to the output time of music. The controller (170) can extract a playback time of video content corresponding to the start time of music playback. The output time of music may be referred to as the start time of music output or the start time of playback.

[0148] The controller (170) can store information about the video content, music being output along with the video content, and the timing of the music output in memory (140).

[0149] Meanwhile, the controller (170) may not store information about the video content, music being output together with the video content, and the timing of the music output in memory (140) if the playback section of the acquired music is less than a certain playback section, if it is advertising music inserted in the middle of the video content, or if it is music extracted during the channel search process. This is because it may not be a meaningful music experience to search for and record music information.

[0150] The controller (170) can obtain music information based on at least a portion of the acquired music (S605).

[0151] In one embodiment, the controller (170) can transmit at least a portion of the music to the server (500) through the network interface (133). The server (500) can extract music information based on at least a portion of the music and transmit the extracted music information to the display device (100).

[0152] Music information may include at least one of the source providing the music, the singer, the title of the song, the album title, the album image, the composer of the song, or the lyricist of the song.

[0153] The server (500) can extract audio feature information from at least a portion of the music. The audio feature information may include one or more of a spectrogram or Mel frequency cepstrum coefficients (MFCC). The server (500) can convert the extracted audio information into an audio fingerprint. The server (500) can obtain music information matched to the audio fingerprint by comparing the converted audio fingerprint with the music information stored in the database.

[0154] In one embodiment, the controller (170) may receive a code corresponding to music information from the server (500) via the network interface (133) and store the received code in memory (140). The server (500) may generate a code that matches the music information and may store the generated code in a database by matching it with the music information. The server (500) may transmit the code to the display device (100). The code is intended to identify music information and may have various forms.

[0155] The controller (170) can transmit code stored in memory (140) to the server (500) in response to an execution request of the music magazine application, and can receive music information matching the code from the server (500).

[0156] In another embodiment, the controller (170) receives and stores music history in memory (140) in advance, and then displays a music magazine screen based on the stored music history on the display (180) in response to a request to execute a music magazine application.

[0157] When music information is acquired, the controller (170) can display a notification on the display (180) indicating that music information has been acquired.

[0158] FIGS. 8a through 8f are drawings illustrating examples of providing a notification indicating that music information is being searched or that music information has been obtained, according to an embodiment of the present disclosure.

[0159] Referring to FIG. 8a, the display device (100) may display a search notification (811) on the display (180) indicating that music information is being searched based on at least a portion of music extracted while playing video content (810) at a first playback point. The search notification (811) may be displayed at the bottom left, which is a location that does not interfere with the viewing of the video content (810).

[0160] As another example, the search notification (811) may be displayed overlaid on the location where the subtitle (812) is displayed, as shown in FIG. 8b.

[0161] When the display device (100) is playing video content (820) at a second playback time after a first playback time and the search for music information of the music is completed, it may display a search result notification (821) indicating that music information has been searched on the display (180), as illustrated in FIG. 8c. The search result notification (821) may include music information including at least one of the title of the music, the total playback length of the music, or the year of release of the music.

[0162] A search result notification (821) may be displayed when music information is searched during playback of video content (820) and music continues to play.

[0163] In another embodiment, the display device (100) may display a search success notification (822) on the display (180) indicating that the search for music information was successful, as shown in FIG. 8d. The search success notification (822) may also indicate that the searched music information has been stored in memory (140).

[0164] Referring to FIG. 8e, the display device (100) is playing video content (830) at a third playback point indicating an end point. The display device (100) may display a music information summary notification (831) on the display (180) that includes music information corresponding to music extracted during the playback of the video content (830). The music information summary notification (831) may include the number of searched music, album covers (or album images) of the searched music, and titles of the searched music.

[0165] Referring to FIG. 8f, the music information summary notification (831) may include an account change item (831a) for changing the user account that is the storage target for music information corresponding to music extracted during playback of content (830). The user account logged into the display device (100) is checked, and the user can add or change the storage account for music information through the checkbox.

[0166] Again, Figure 6 is explained.

[0167] The controller (170) can display a music magazine screen based on a music history containing information about video content, the playback time of video content, and music information on the display (180) upon request (S607).

[0168] The music magazine screen may be a screen for browsing information about video content and music information within video content. The music magazine screen may be a screen displayed in response to an execution request of a music magazine application installed on a display device (100).

[0169] The music magazine screen may be a screen for providing music information corresponding to each of multiple songs played along with video content according to the user's viewing schedule (or chronological order).

[0170] In one embodiment, the controller (170) can display a music magazine screen on the display (180) in response to receiving a command to select a specific button provided in the remote control device (200).

[0171] In another embodiment, the controller (170) may display a music magazine screen on the display (180) in response to receiving a command to select a music magazine icon included in the home screen.

[0172] In another embodiment, the controller (170) can display the music magazine screen on the display (180) in response to receiving a voice command to display the music magazine screen.

[0173] FIGS. 9a to 9f are drawings illustrating a music magazine screen according to an embodiment of the present disclosure.

[0174] Referring to FIG. 9a, the display device (100) can display a music magazine screen (900) on the display (180) for browsing viewing information of video content or music information about music that was played along with video content.

[0175] The music magazine screen (900) may include music information based on a viewing schedule. The time axis of the music magazine screen (900) is an axis for displaying music information about music played along with video content watched by the user, and may have a weekly interval, but this is merely an example and may vary depending on the user's settings.

[0176] As the scale of the time axis of the music magazine screen (900) changes, the music information can also be rearranged.

[0177] The music magazine screen (900) may include first to seventh music history items (910 to 970) that provide viewing information of video content watched by the user during the week and music information played along with the video content.

[0178] Each music history entry may contain music entries corresponding to the music recorded on that date. Each music entry may be a button to provide music played along with the video content at the time of playback.

[0179] Referring to FIG. 9b, the display device (100) can display a music play button (911a), a music video play button (911b), and a video content play button (911c) when a highlight box (901), which is moved according to a pointer (205) controlled by the movement of the remote control device (200) or a direction button provided on the remote control device (200), is located on a music item (911) (when hovered).

[0180] The music playback button (911a) may be a button for playing music corresponding to the music item (911).

[0181] The music video play button (911b) may be a button for playing the music video of the music corresponding to the music item (911).

[0182] The video content playback button (911c) may be a button for playing video content that is played along with music corresponding to the music item (911). In particular, the video content playback button (911c) may be a button for playing video content from a playback point corresponding to the time when the music corresponding to the music item (911) is output.

[0183] The display device (100) can display a music playback button (911a), a music video playback button (911b), and a video content playback button (911c) while playing a sample of music corresponding to the music item (911) when the pointer (205) or the highlight box (901) is positioned on the music item (911). The sample of music may be a portion of the music playback section.

[0184] When the display device (100) receives a command to select a music item (911) through a pointer (205) or a highlight box (901), it can display a music video playback button (911b) and a video content playback button (911c) while playing music corresponding to the music item (911).

[0185] Referring to FIG. 9c, the display device (100) may provide music items (911, 912) corresponding to music stored during playback of the same video content, grouped together. The grouped music items (911, 912) may be identified by an indicator indicating that they are grouped.

[0186] The display device (100) may also display the title of the video content on one side of the music items (911, 912).

[0187] Referring to FIG. 9d, the display device (100) may display a delete button (913a) and an account move button (913b) on one side of a music item (913).

[0188] The delete button (913a) may be a button for deleting music items (913).

[0189] The account move button (913b) may be a button to move music items (913) to another user account.

[0190] The display device (100) can remove a music item (913) on the music magazine screen (900) as shown in FIG. 9e upon receiving a command to select the delete button (913a).

[0191] Upon receiving a command to select the account transfer button (913b), the display device (100) may display an account transfer popup window (915) for saving a music item (913) to another user account, as illustrated in FIG. 9f. The account transfer popup window (915) may not include the user account currently logged into the display device (100) but may include the remaining accounts registered to the display device (100). The user may add or deselect the storage account for the music item (913) through a checkbox.

[0192] As such, according to an embodiment of the present disclosure, a user can easily access video content and music viewed in the past through a music magazine screen. In addition, the user can intuitively check video content and music viewed in the past without a separate search process, thereby enjoying an improved user experience.

[0193] FIGS. 10a and FIGS. 10b are drawings illustrating how the layout of a music magazine screen is changed according to an embodiment of the present disclosure.

[0194] Referring to FIG. 10a, a first music magazine screen (1010) providing music history items for one week is shown.

[0195] The display device (100) can automatically change the scale of the time axis when the number of multiple music items included in the first music magazine screen (1010) is greater than a certain number. For example, when the number of multiple music items included in the first music magazine screen (1010) is greater than a certain number, the display device (100) can change the first music magazine screen (1010) having a one-week scale to a second music magazine screen (1020) having a four-day scale.

[0196] Referring to FIG. 10b, a first music magazine screen (1010) providing music history entries for one week is shown.

[0197] When the number of multiple music items included in the first music magazine screen (1010) is greater than a certain number, the display device (100) can reduce the size of the music items included in each music history item or display the music items included in each music history item by overlapping them.

[0198] FIGS. 11a to 11e are drawings illustrating scenarios related to the playback of music corresponding to music items included on a music magazine screen according to an embodiment of the present disclosure.

[0199] Referring to FIG. 11a, the display device (100) can display an audio playback player screen (1110) on the display (180) when a pointer (205) hovers over a music item (913) or when it receives a command to select a music item (913) through the pointer (205).

[0200] The audio playback player screen (1110) may include music information corresponding to a music item (913) and buttons for controlling the playback of music. The audio playback player screen (1110) may include a previous button (1111) for playing previous music displayed on the music magazine screen (900) and a next button (1112) for playing next music.

[0201] The display device (100) can play music stored before the playback point of the video content corresponding to the music item (913) according to a command to select the previous move button (1111). The display device (100) can play music stored after the playback point of the video content corresponding to the music item (913) according to a command to select the next move button (1112).

[0202] In one embodiment, the display device (100) may provide only a preview of the music corresponding to the music item (913) if the logged-in user account has not subscribed to a streaming music application that provides a streaming music service. That is, only one minute of the entire playback section of the music may be played.

[0203] The display device (100) can play the entire playback section of the music corresponding to the music item (913) if the logged-in user account is subscribed to a streaming music application.

[0204] Referring to FIG. 11b, the display device (100) can distinguish and display music that is available for a preview service when the streaming music application is not subscribed to and music that is available for a preview service only when the streaming music application is subscribed to.

[0205] For example, on the music item (921), a lock icon (921a) may be displayed indicating that the preview service is available only when the streaming music application is subscribed.

[0206] When the display device (100) receives a command to select a music item (913), it may display an existing subscriber verification window (1130) on the display (180), as illustrated in FIG. 11c. The existing subscriber verification window (1130) may include a streaming music app icon (1121) corresponding to the streaming music application subscribed to by the user account logged into the display device (100), and guide text (1131) inquiring about whether to link the playback of music included in the music magazine screen (900) through the subscribed streaming music application. That is, the user can perform a one-time linkage with the existing streaming music application.

[0207] When the display device (100) receives a command to select a music item (921) while subscribed to a streaming music application, or when the music is not supported, or when the streaming music application is not subscribed to, it may display a paid music service subscription prompting window (1120) as shown in FIG. 11d.

[0208] The paid music service subscription prompt window (1120) may include multiple streaming music app icons (1121, 1122, 1123) corresponding to each of the multiple streaming music applications that provide paid streaming music services, the monthly usage price of each streaming music app, and a subscription button (1124).

[0209] The user can subscribe to a desired streaming music application through a paid music service subscription prompt window (1120) and listen to music corresponding to the music items included on the music magazine screen (900).

[0210] The paid music service subscription prompt window (1120) may further include a login button (1125) as illustrated in FIG. 11e. The user can directly decide whether to subscribe to or log in to the streaming music service and link the user account to the corresponding streaming music service.

[0211] FIG. 12 is a diagram illustrating a process for inducing subscription to a streaming video service for playing video content when a command for playing video content is received through a music magazine screen according to one embodiment of the present disclosure.

[0212] The display device (100) can display a music playback button (911a) and a video content playback button (911c) on the display (180) when a pointer (205) hovers over a music item (911) included in the music magazine screen (900).

[0213] The display device (100) receives a command to select a video content playback button (911c), and if the user account logged into the display device (100) is not subscribed to a streaming video service for playing video content, a streaming video service subscription prompt window (1210) can be displayed on the display (180).

[0214] A streaming video service subscription inducement window (1210) may include one or more streaming video application apps corresponding to one or more streaming video applications that provide streaming video services, and a monthly subscription fee for each streaming video application.

[0215] FIGS. 13a to 13c are drawings illustrating embodiments of displaying linked products together using music information within video content viewed by a user.

[0216] Referring to FIG. 13a, when music being played along with video content is detected, the display device (100) can display a first music-linked product notification (1310) including music information and linked concert information on the display (180).

[0217] The first music-linked product notification (1310) may include an album image (1311) of the searched music, a playback time of video content when the music is output (1312), a singer of the music (1313), a title of the music (1314), concert information (1315) of the singer (1313), and a concert reservation button (1316).

[0218] The display device (100) can access a website for concert reservation in accordance with a command to select the concert reservation button (1316).

[0219] Referring to FIG. 13b, when music being played along with video content is detected, the display device (100) can display a second music-linked product notification (1320) containing music information and linked video information on the display (180).

[0220] The second music-linked product notification (1320) may include an album image (1321) of the searched music, a playback time (1322) of video content when the music is output, a singer of the music (1323), a title (1324) of the music, and other video content (1325, 1326) featuring the singer (1323).

[0221] Referring to FIG. 13c, when music being played along with video content is detected, the display device (100) can display a third music-linked product notification (1330) including music information and linked video information on the display (180).

[0222] The third music-linked product notification (1330) may include an album image (1331) of the searched music, a playback time of video content when the music is output (1332), a singer of the music (1333), a title of the music (1334), and a list of paid items (1335) that can decorate the UI of the screen. The list of paid items (1335) may include theme items that can edit the theme of the screen, icon items for editing icons of the screen, and screen saver icons for the screen saver.

[0223] FIG. 14 is a flowchart for a method of operating a display device according to another embodiment of the present disclosure.

[0224] The power mode of the display device (100) may include a low power mode and a normal power mode. The normal power mode may be a mode in which power is consumed so that the display device (100) can use all functions. The low power mode may be a mode to minimize power consumption by operating only some functions of the display device (100). For example, the low power mode may be a mode in which the display device (100) performs an Always On Display (AOD) function that continuously displays low-capacity information.

[0225] The low power mode may be referred to as AOD mode. The low power mode may be a mode in which not all applications installed on the display device (100) are running, or a mode in which only a very small number of applications are running. The low power mode may be a mode in which low-capacity information is continuously displayed while the power of the display device (100) is turned off.

[0226] Referring to FIG. 14, the controller (170) of the display device (100) can display an execution screen of an application containing information of content on the display (180) under normal power mode (S1401).

[0227] The application may be a music magazine application for providing a music magazine screen, and the content information may be information included on the music magazine screen (900) as illustrated in FIG. 9a. Specifically, the content information may include a plurality of music items corresponding to a plurality of music extracted from audio that the user was playing along with video content.

[0228] The application may be an audio playback application for playing music, and the content information may include a list of music included in a playlist, music information corresponding to the currently playing music, and a playback control window for controlling the playback of music.

[0229] The controller (170) can receive a request to enter a low power mode (S1403), and, in accordance with the received request, can switch the power mode of the display device (100) to a low power mode and display some of the information of the content on the display (180) (S1405).

[0230] The request for entry into low power mode may be a power off command received while the power of the display device (100) is on and the AOD function is enabled.

[0231] That is, the controller (170) can recognize a power off command received while the AOD function is enabled as a request to enter low power mode.

[0232] The controller (170) can receive a power off command from the remote control device (200) or receive a power off command via the user's voice command.

[0233] In one embodiment, the controller (170) can display music information corresponding to the currently playing music among the entire content information being displayed on the display (180) as the power mode of the display device (100) is switched to a low power mode.

[0234] In another embodiment, when the content information includes multiple music items, the controller (170) can display music information corresponding to the music item that the user has set as the highest priority favorite among the multiple music items on the display (180) as the power mode of the display device (100) is switched to a low power mode.

[0235] In another embodiment, when the content information includes multiple music items, the controller (170) can display music information corresponding to the music most recently played by the user or music set by the user on the display (180) as the power mode of the display device (100) is switched to a low power mode.

[0236] The controller (170) can display summary information on the display (180) that summarizes the information displayed as the power mode of the display device (100) switches to a low power mode. The summary information may be information that includes only key keywords among the displayed information. The summary information may include the number of songs included in the music magazine screen (900), the name of the artist, and the number of video content.

[0237] FIGS. 15a and FIGS. 15b are diagrams illustrating that the information being displayed changes as the power mode of the display device switches from normal power mode to low power mode.

[0238] Referring to FIG. 15a, the display device (100) can display a music magazine screen (900) on the display (180) under normal power mode.

[0239] The music magazine screen (900) may further include schedule information (1511) containing multiple dates and menu information (1512) of the music magazine application, in addition to multiple music items corresponding to each date. On each music item, at least a portion of music information corresponding to the music item may be displayed. The music information may include the album image of the music, the singer, and the title of the music.

[0240] The display device (100) assumes that it is playing music corresponding to one of the music items (951) among a plurality of music items.

[0241] The display device (100) can switch the music magazine screen (900) to the first AOD screen (1510) in response to receiving a request to enter a low power mode.

[0242] The first AOD screen (1510) may be a screen displayed in low power mode or in an AOD function enabled state.

[0243] The first AOD screen (1510) may include only schedule information (1511) and music information (1512) corresponding to the music item (951) of the currently playing music among the information included in the music magazine screen (900). The music information (1512) may include the album image, singer, and title of the music corresponding to the music item (951).

[0244] That is, the display device (100) can display only some of the total information contained in the music magazine screen (900) under low power mode.

[0245] Meanwhile, among the schedule information (1511) included in the first AOD screen (1510), the viewing date (25, THU) of the music currently being played can be identified.

[0246] The first AOD screen (1510) may further display music information (1513) of a music item (911) corresponding to the music to be played next. The music information (1513) may include an album image, singer, and title of the music corresponding to the music item (911). The size of the area occupied by the music information (1512) corresponding to the currently playing music may be larger than the size of the area occupied by the music information (1513) corresponding to the music to be played next.

[0247] When the next music is played under low power mode, the display device (100) can make the music information (1512) disappear on the first AOD screen (1510) and increase the size of the area occupied by the music information (1513) corresponding to the newly playing music. At the same time, the viewing date (21, SUN) of the newly playing music can be identified among the schedule information (1511) included in the first AOD screen (1510).

[0248] The first AOD screen (1510) may further display music information (1513) of a music item (961) corresponding to the music to be played next. The music information (1513) may include an album image, singer, and title of the music corresponding to the music item (961). The size of the area occupied by the music information (1513) corresponding to the newly playing music may be larger than the size of the area occupied by the music information (1514) corresponding to the music to be played next.

[0249] Referring to FIG. 15b, the display device (100) can display an audio playback player screen (1520) on the display (180) for playing music corresponding to a music item included in the music magazine screen (900) under normal power mode. The audio playback player screen (1520) may be an execution screen of an audio playback application.

[0250] The display device (100) can display a music playback button when a pointer (205) hovers over a music item included in a music magazine screen (900), and can execute an audio playback application upon receiving a command to select the music playback button.

[0251] The audio playback player screen (1520) may include an album image list (1521) containing album images for each of a plurality of music items, music information (1522) corresponding to the music currently being played, and a playback control window (1523) for controlling the playback of the music. The album image list (1521) may include an album image (1521a) of the music currently being played.

[0252] The display device (100) can switch the audio playback player screen (1520) to the second AOD screen (1530) upon receiving a request to enter a low power mode.

[0253] The second AOD screen (1530) may include only the album image (1521a) and music information (1522) of the music currently being played among the information included in the audio playback player screen (1520). That is, the display device (100) may display only a portion of the total information included in the audio playback player screen (1520) as the power mode switches from normal power mode to low power mode.

[0254] As the power mode switches from normal power mode to low power mode, the display device (100) may further display viewing information (1531) of video content that was played along with the music being played and a still image (1532) of the video content on the second AOD screen (1530), in addition to some of the total information included in the audio playback player screen (1520).

[0255] The viewing information (1531) of the video content includes the playback time of the video content corresponding to the start time of the music output, the name of the video content, and the source of the video content.

[0256] Under low power mode, the display device (100) can display only information including minimal images and text, excluding all dynamic elements and background elements such as the playback control window (1523) that was displayed in normal power mode.

[0257] As such, according to an embodiment of the present disclosure, as the power mode of the display device is switched from a normal power mode to a low power mode, only minimal information can be displayed. Accordingly, the power consumption of the display device is reduced, and at the same time, only the information necessary for the user can be intuitively provided.

[0258] FIGS. 16a to 17e are drawings illustrating a scenario for linking a music magazine screen between a display device and a terminal device according to an embodiment of the present disclosure.

[0259] A home appliance management application may be installed on each of the display device (100) and the terminal (1600). The home appliance management application may be an application for managing home appliances installed in the home.

[0260] Referring to FIG. 16a, the terminal (1600) may receive a notification (1610) indicating that a music magazine has been received through a home appliance management application. The terminal (1600) may display any one of the first to fourth music magazine screens (1620, 1630, 1640, 1650) depending on the input selecting the notification (1610).

[0261] The first music magazine screen (1620) may be a screen for providing multiple music items that were previously heard while watching video content in a daily format, the second music magazine screen (1630) may be a screen for providing multiple music items in a weekly format, the third music magazine screen (1640) may be a screen for providing multiple music items in a monthly format, and the fourth music magazine screen (1650) may be a screen for providing multiple music items in an hourly format.

[0262] Referring to FIG. 16b, when any one music item (1621) is selected on the first music magazine screen (1620), the terminal (600) can play music corresponding to the selected music item (1621). The terminal (600) can display a playback window (1622) for playing the music. When the terminal (600) re-selects a music item (1621) corresponding to the music being played in this state, it can browse detailed information (1660) of the music being played.

[0263] Referring to FIG. 17a, when a music item (911) included on a music magazine screen (900) is hovered over by a pointer (205), the display device (100) may display a music playback button (911a), a video content playback button (911c), a terminal music playback button (1701) for playing music corresponding to the music item (911) through a terminal (1600), and a terminal video playback button (1702) for playing video content through a terminal (1600).

[0264] When the display device (100) receives a command to select the terminal music playback button (1701), it can transmit a request to play music corresponding to a music item (911) to the terminal (600) via a wireless communication interface (173). Upon receiving the request to play music, the terminal (1600) can play the corresponding music. The terminal (1600) can display an audio playback player screen (1710) that plays the corresponding music.

[0265] Referring to FIG. 17b, the display device (100) displays a first AOD screen (1510) under low power mode. The first AOD screen (1510) may further include a QR code (1720) in addition to schedule information (1511) and music information (1512, 1513).

[0266] The QR code (1720) may be a code for providing a music magazine service to the terminal (1600). The music magazine service may be a service that provides a music magazine screen recording information about the music currently being played along with video content over time.

[0267] The QR code (1720) may be a code that induces access to the installation path of a music magazine application that provides a music magazine service.

[0268] The QR code (1720) may be a code for providing a music magazine screen. The terminal (1600) may display a first music magazine screen (1620) by scanning the QR code (1720).

[0269] Referring to FIG. 17c, the display device (100) displays a first AOD screen (1510) under low power mode, and the terminal (1600) displays an audio playback player screen (1710).

[0270] The display device (100) can receive a control signal for controlling music playback from the terminal (1600) via a wireless communication interface (173). Upon receiving user input through the playback control window of the audio playback player screen (1710), the terminal (1600) can generate a control signal for controlling music playback and transmit the generated control signal to the display device (100).

[0271] The display device (100) can control the playback of music according to a received control signal. The control signal may be a signal for controlling the stopping of music playback, the playback of the previous music, or the playback of the next music.

[0272] Referring to FIG. 17d, the display device (100) displays the first AOD screen (1510) in low power mode and plays music corresponding to the music item (1512).

[0273] When music corresponding to a music item (1512) is played under low power mode, the display device (100) may transmit a video playback request to a terminal (1600) via a wireless communication interface (173) to play video content from a playback time corresponding to the start time of music output. The video playback request may include an access address of the video content and a playback time of the video content.

[0274] The terminal (1600) can play video content (1730) starting from a playback time (1731) corresponding to the start time of music output in response to a video playback request received from the display device (100).

[0275] The display device (100) can control the speaker (185) to reduce the volume if the video content displayed by the terminal (1600) is other video content that was not played along with the music currently being played. This is because there may be a need for the user to listen to music through the display device (100) while watching other video content through the terminal (1600).

[0276] Referring to FIG. 17e, the display device (100) is playing music corresponding to a music item (1512) while displaying a first AOD screen (1510) in a low power mode, and the terminal (1600) may be playing video content (1730). The terminal (1600) may display a pop-up window (1740) asking whether to switch the viewing of the video content (1730) to the display device (100). If the terminal (1600) receives an acceptance input through the pop-up window (1740), it may request the display device (100) to play the video content.

[0277] The display device (100) can turn on the power in response to a request received from the terminal (1600), switch the power mode to a normal power mode, and switch the first AOD screen (1510) to a playback screen (1750) of video content (1730).

[0278] FIGS. 18a and FIGS. 18b are drawings illustrating an example of switching an AOD screen to another screen according to one embodiment of the present disclosure.

[0279] Referring to FIG. 18a, the display device (100) can display a first AOD screen (1510) under low power mode. The first AOD screen (1510) may further include a toggle button (1810). The toggle button (1810) may be a screen for switching the first AOD screen (1510) to a music magazine screen (900). The toggle button (1810) may be a button for switching the power mode of the display device (100) to a low power mode or a normal power mode.

[0280] The display device (100) can switch the first AOD screen (1510) to the music magazine screen (900) according to a command to select the toggle button (1810). The music magazine screen (900) may also include the toggle button (1810).

[0281] When the display device (100) receives a command to select a toggle button (1810) while playing music of a music item included on the music magazine screen (900), it can switch the music magazine screen (900) to the first AOD screen (1510).

[0282] In this way, according to an embodiment of the present disclosure, the user can easily switch between the AOD screen and the music magazine screen via a toggle button without a separate input to turn the power of the display device (100) on / off.

[0283] Referring to FIG. 18b, the display device (100) can display a first AOD screen (1510) under low power mode. The first AOD screen (1510) may further include a music video switching button (1820) and a video switching button (1830).

[0284] The music video switching button (1820) may be a button for switching the first AOD screen (1510) to a screen that plays a music video corresponding to the music currently being played.

[0285] The video switching button (1830) may be a button for switching the first AOD screen (1510) to a screen that plays video content that was played along with the music currently being played.

[0286] The display device (100) can switch the first AOD screen (1510) to an audio player playback screen (1840) in accordance with a command to select the music video switching button (1820). The audio player playback screen (1840) may be a screen that plays a music video corresponding to the music currently being played.

[0287] The display device (100) can switch the first AOD screen (1510) to a video player playback screen (1850) according to a command to select the video switching button (1830). The video player playback screen (1850) may be a screen that plays video content that was played along with the music currently being played.

[0288] In this way, according to an embodiment of the present disclosure, switching between an AOD screen and a video playback screen can be easily performed through switching buttons included on the AOD screen.

[0289] A display device (100) according to an embodiment of the present disclosure may include a display (180); and a controller (170) that displays information on the display under a normal power mode of the display device, receives a request for entry into a low power mode of the display device, switches the power mode of the display device from the normal power mode to the low power mode according to the received request, and displays some of the displayed information on the display.

[0290] The controller (170) can display some of the information that is pre-set among the displayed information on the display as the power mode is switched to the low power mode.

[0291] The controller (170) can display summary information summarizing the information as part of the information on the display as the power mode is switched to the low power mode.

[0292] The above information is information representing a music magazine screen containing music information for multiple songs that were played along with one or more video contents, and the controller (170) can display music information corresponding to the music currently being played among the music information as part of the above information as the power mode is switched to the low power mode.

[0293] The controller (170) may further display a QR code on the display to provide access to the music magazine screen as the power mode is switched to the low power mode.

[0294] The display device (100) may further include a wireless communication interface (173) for communicating with a terminal (1600), and the controller (170) may receive a control signal from the terminal under the low power mode and control the playback of the music according to the received control signal.

[0295] The controller (170) may further display a toggle button on the display to switch between the display of information and the display of some information as the power mode is switched to the low power mode.

[0296] The display device (100) may further include a wireless communication interface (173) for communicating with a terminal (1600), and the controller (170) may transmit a video playback request to the terminal requesting the playback of video content that was played along with the music when the music is played.

[0297] According to one embodiment of the present disclosure, the above-described method can be implemented as code that is readable by a processor on a medium on which a program is recorded. Examples of media that are readable by a processor include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.

[0298] The display device described above is not limited to the configuration and method of the embodiments described above; rather, all or part of each embodiment may be selectively combined to allow for various modifications to be made.

Claims

1. In a display device, Display; and A controller comprising: displaying information on the display under a normal power mode of the display device; receiving a request to enter a low power mode of the display device; switching the power mode of the display device from the normal power mode to the low power mode in accordance with the received request; and displaying some of the displayed information on the display. Display device.

2. In Paragraph 1, The above controller As the above power mode is switched to the above low power mode, some of the pre-set information among the above-mentioned information is displayed on the display. Display device.

3. In Paragraph 1, The above controller As the above power mode is switched to the above low power mode, summary information summarizing the above information is displayed on the display as the above partial information. Display device.

4. In Paragraph 1, The above information Information representing a music magazine screen containing music information about multiple songs that were played along with one or more video contents, and The above controller As the above power mode is switched to the above low power mode, music information corresponding to the music currently being played among the above music information is displayed as the above partial information. Display device.

5. In Paragraph 4, The above controller As the above power mode is switched to the above low power mode, a QR code to provide access to the music magazine screen is further displayed on the display. Display device.

6. In Paragraph 4, It further includes a wireless communication interface for performing communication with a terminal, The above controller Under the above low power mode, receiving a control signal from a terminal and controlling the playback of the music according to the received control signal Display device.

7. In Paragraph 4, The above controller As the above power mode is switched to the above low power mode, a toggle button for switching between the display of the above information and the display of the above partial information is further displayed on the display. Display device.

8. In Paragraph 4, It further includes a wireless communication interface for performing communication with a terminal, The above controller When the above music is played, a video playback request is sent to the terminal requesting the playback of video content that was played along with the above music. Display device.

9. In a method of operating a display device, A step of displaying information under the normal power mode of the above-mentioned display device; A step of receiving a request for entry into a low-power mode of the display device; and The step of displaying some of the displayed information while switching the power mode of the display device from the normal power mode to the low power mode in response to a received request. Method of operation of a display device.

10. In Paragraph 9, The step of displaying the above partial information The step of displaying some of the pre-set information among the displayed information as the power mode is switched to the low power mode Method of operation of a display device.

11. In Paragraph 9, The step of displaying the above partial information A step comprising displaying summary information summarizing the information as partial information as the power mode is switched to the low power mode. Method of operation of a display device.

12. In Paragraph 9, The above information Information representing a music magazine screen containing music information about multiple songs that were played along with one or more video contents, and The step of displaying the above partial information The step of displaying music information corresponding to the music currently being played among the music information as the partial information as the power mode is switched to the low power mode Method of operation of a display device.

13. In Paragraph 12, The method further includes the step of displaying a QR code to provide access to the music magazine screen as the power mode is switched to the low power mode. Method of operation of a display device.

14. In Paragraph 12, A step of receiving a control signal from a terminal under the above low power mode; and A step of further including controlling the playback of the music according to a received control signal. Method of operation of a display device.

15. In Paragraph 12, The method further includes the step of displaying a toggle button for switching between the display of information and the display of some information as the power mode is switched to the low power mode. Method of operation of a display device.

Images