KR102593437B1 - Image display device and operating method for the same - Google Patents

Abstract

Detecting a first input of long pressing the channel-up key or the channel-down key and a second input of releasing the channel-up key or the channel-down key. It includes a detection unit, a display unit that displays a channel scroll bar and a channel indicator, a processor, a memory that stores channel information corresponding to at least one channel, and one or more programs stored in the memory and executed by the processor, The one or more programs, in response to the first input, move the channel indicator in the first or second direction on the channel scroll bar and provide channel information about the channel corresponding to the point at which the channel indicator is located. Instructions for controlling display on the display unit, switching the current channel to a channel corresponding to the point where the channel indicator is located, in response to the second input, and displaying an image corresponding to the switched channel. ) is disclosed.

Description

Image display device and operating method for the same}

Various embodiments relate to a video display device and a method of operating the same, and more specifically, to a video display device that can facilitate channel switching and a method of operating the same.

A video display device is a device that has the function of displaying video that a user can view. Users can watch broadcasts through video display devices. The video display device displays the broadcast selected by the user among the broadcast signals transmitted from the broadcasting station on the display.

In addition, smart TVs that provide a variety of content in addition to broadcasting functions are being provided. Smart TV does not passively operate according to the user's selection, but aims to analyze and provide what the user wants without the user's intervention.

Meanwhile, to switch channels on a video display device, you can generally use the channel-up or channel-down keys, or use number keys to input the channel number you want to switch to. Additionally, when you press and hold the channel-up key or channel-down key for quick channel switching, the channel-up key or channel-down key is generated at regular time intervals, allowing you to switch channels. At this time, if the number of channels stored in the video display device is large, there is a problem that it takes a long time to switch all channels.

Various embodiments can provide a video display device and a method of operating the same that allow a user to quickly switch to a desired channel by inputting a channel-up key or inputting a channel-down key without using number keys.

A video display device according to an embodiment includes a first input of pressing and holding the channel-up key or the channel-down key and releasing the channel-up key or the channel-down key. (release) a detector for detecting a second input, a display unit for displaying a channel scroll bar and a channel indicator, a processor, a memory for storing channel information corresponding to at least one channel, and stored in the memory, and in the processor. Comprising one or more programs executed by, wherein the one or more programs move the channel indicator in a first direction or a second direction on the channel scroll bar in response to the first input, and move the channel indicator in a first or second direction on the channel scroll bar, and Controls displaying channel information about a channel corresponding to a point on the display unit, and in response to the second input, switches the current channel to a channel corresponding to the point where the channel indicator is located, and responds to the switched channel. It may include instructions for displaying an image.

A method of operating a video display device according to an embodiment includes displaying a channel scroll bar and a channel indicator, detecting a first input of pressing and holding a channel-up key or a channel-down key, In response to the first input, moving the channel indicator in a first or second direction on the channel scroll bar and displaying channel information about a channel corresponding to a point at which the channel indicator is located, the channel - detecting a second input that releases an up key or the channel-down key, and in response to the second input, corresponding the current channel to the point where the channel indicator is located. It may include the step of switching to a channel and displaying an image corresponding to the switched channel.

The video display device according to one embodiment can quickly change the channel to the channel desired by the user without using number keys.

1 is a diagram showing an image display device and a control device according to an embodiment.
Figure 2 is a block diagram showing the configuration of an image display device according to an embodiment.
Figure 3 is a block diagram showing the configuration of an image display device according to another embodiment.
Figure 4 is a block diagram showing the configuration of a control device according to an embodiment.
5A to 5E are diagrams illustrating an example of a screen displayed on a video display device according to an embodiment.
FIGS. 6A and 6B are diagrams illustrating an example of a screen displayed on a video display device according to an embodiment.
7A to 7C are diagrams illustrating an example of a screen displayed on a video display device according to an embodiment.
FIGS. 8A and 8B are diagrams referenced to explain the speed at which a channel indicator moves on a channel scroll bar according to an embodiment.
Figure 9 is a flowchart showing a method of operating an image display device according to an embodiment.

The terms used in this specification will be briefly explained, and the present invention will be described in detail.

The terms used in the present invention are general terms that are currently widely used as much as possible while considering the function in the present invention, but this may vary depending on the intention or precedent of a person working in the art, the emergence of new technology, etc. In addition, in certain cases, there are terms arbitrarily selected by the applicant, and in this case, the meaning will be described in detail in the description of the relevant invention. Therefore, the terms used in the present invention should be defined based on the meaning of the term and the overall content of the present invention, rather than simply the name of the term.

When it is said that a part "includes" a certain element throughout the specification, this means that, unless specifically stated to the contrary, it does not exclude other elements but may further include other elements. In addition, terms such as "... unit" and "module" used in the specification refer to a unit that processes at least one function or operation, which may be implemented as hardware or software, or as a combination of hardware and software. .

Below, with reference to the attached drawings, embodiments will be described in detail so that those skilled in the art can easily implement the present invention. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein. In order to clearly explain the present invention in the drawings, parts that are not related to the description are omitted, and similar parts are given similar reference numerals throughout the specification.

1 is a diagram showing an image display device and a control device according to an embodiment.

As shown in FIG. 1, the video display device 100 may be a TV, but this is only an example and may be implemented as an electronic device capable of receiving a broadcast signal and displaying an image based on the broadcast signal. You can. For example, the video display device 100 may be used in mobile phones, tablet PCs, digital cameras, camcorders, laptop computers, tablet PCs, desktops, e-readers, digital broadcasting terminals, Personal Digital Assistants (PDAs), and PMPs ( It can be implemented in various electronic devices such as Portable Multimedia Player, navigation, MP3 player, wearable device, etc. In particular, the embodiments can be easily implemented in a display device with a large display such as a TV, but the present invention is not limited thereto.

Additionally, the video display device 100 may be fixed or mobile, and may be a digital broadcasting receiver capable of receiving digital broadcasting. Additionally, the image display device 100 may be implemented as a flat display device as well as a curved display device with a screen having a curvature or a flexible display device whose curvature can be adjusted. The output resolution of the video display device 100 may include, for example, High Definition (HD), Full HD, Ultra HD, or a resolution clearer than Ultra HD.

The control device 300 may be implemented as various types of devices for controlling the video display device 100, such as a remote control or a mobile phone. Additionally, the control device 300 may control the image display device 100 using short-range communication including infrared or Bluetooth. The control device 300 includes keys (including hard key buttons, soft keys, scroll wheels, etc.), a touchpad, a microphone (not shown) capable of receiving the user's voice, and a control device 200. The functions of the video display device 100 can be controlled using at least one of sensors (not shown) capable of motion recognition.

The control device 300 may include a channel-up key or a channel-down key for changing the channel of the video display device 100. Additionally, the channel up-key or channel-down key may be implemented as a hard key button, soft key, scroll wheel, etc. When receiving a channel-up key or channel-down key input, the video display device 100 may switch the current channel to the previous channel or next channel.

Meanwhile, in the embodiments of the present specification, the term “user” refers to a person who controls the function or operation of the video display device 100 using the control device 300, and may include a viewer, manager, or installation engineer. there is.

Meanwhile, the video display device 100 according to one embodiment may display a channel scroll bar 10 and a channel indicator 20 on the display unit. In FIG. 1, the channel scroll bar 10 is shown as being displayed in the form of a vertical scroll bar on the right side of the display unit, but this is not limited, and the channel scroll bar 10 may be displayed on the left, top, bottom, etc. of the display unit. and can be displayed in the form of a horizontal scroll bar. Additionally, the channel indicator 20 may be displayed on the channel scroll bar 10 and may indicate the location of the channel corresponding to the channel information 30 displayed on the display unit among all channels. The video display device 100 may display channel information 30 about the channel corresponding to the point where the channel indicator 20 is located on the channel scroll bar 10 on the display unit. Channel information 30 may include the channel name for the channel, the name of the broadcasting company providing the channel, the channel number, the type of content corresponding to the channel, and the content name of the content.

The video display device 100 according to one embodiment displays the channel indicator 20 on the channel scroll bar in response to an input of long pressing the channel-up key or channel-down key included in the control device 300. In (10), it can be moved in the first direction or the second direction. At this time, the input of long pressing a key refers to the input of pressing the key and then maintaining the key press for more than a threshold time. For example, this means that the time difference between the time a key is pressed and the time the key is released is more than a critical time.

For example, as shown in FIG. 1, when the channel scroll bar 10 is a vertical scroll bar, the video display device 100 moves the channel indicator 20 upward in response to an input of long pressing the channel up-key. In response to the input of pressing and holding the channel-down key, the channel indicator 20 can be moved down. Alternatively, when the channel scroll bar 10 is a horizontal scroll bar, the video display device 100 can move the channel indicator 20 to the left or right in response to an input of long pressing the channel-up key or channel-down key. there is. However, it is not limited to this. Additionally, the video display device 100 may display channel information 30 about the channel corresponding to the point to which the channel indicator 20 is moved on the display unit.

Figure 2 is a block diagram showing the configuration of an image display device according to an embodiment.

Referring to FIG. 2 , the image display device 100 according to one embodiment may include a sensing unit 110, a processor 120, a display unit 130, and a memory 140.

The detection unit 110 according to one embodiment may detect a user input and transmit the detected signal to the processor 120. Additionally, the detection unit 110 can detect user inputs such as channel-up/down, power on/off, channel selection, and screen settings from the control device 300. In addition, the detection unit 110 according to one embodiment may input an input of pressing the channel-up key or a channel-down key included in the control device 300, or a long press of the channel-up key or the channel-down key. It can detect input, input such as releasing the channel-up key or channel-down key.

The display unit 130 generates a driving signal by converting image signals, data signals, OSD signals, and control signals processed by the processor 120. The display unit 130 may be implemented as a PDP, LCD, OLED, flexible display, etc., and may also be implemented as a 3D display. Additionally, the display unit 130 can be configured as a touch screen and used as an input device in addition to an output device.

The display unit 130 according to one embodiment may display a channel scroll bar and a channel indicator. Additionally, the display unit 130 may display channel information about the channel corresponding to the point where the channel indicator is located on the channel scroll bar.

The processor 120 according to one embodiment may execute one or more programs stored in the memory 140. The processor 140 may include single core, dual core, triple core, quad core, and multiple cores thereof. Additionally, the processor 120 may include a plurality of processors. For example, the processor 120 may be implemented as a main processor (not shown) and a sub processor (not shown) operating in a sleep mode.

The memory 140 according to one embodiment may store various data, programs, or applications for driving and controlling the image display device 100.

The memory 140 according to one embodiment may store at least one channel and channel information corresponding to the at least one channel. At this time, at least one channel may include a valid channel. An effective channel may mean a channel through which the video display device 100 can receive a broadcast signal corresponding to the channel. Additionally, the video display device 100 may periodically update channel information stored in the memory 140.

Additionally, a program stored in memory 140 may include one or more instructions. A program (one or more instructions) or application stored in the memory 140 may be executed by the processor 120.

The processor 120 according to one embodiment may compare the number of channels stored in the memory 140 with a preset number and determine whether to display a channel scroll bar and a channel indicator.

The processor 120 according to one embodiment may control the channel indicator to move in the first or second direction on the channel scroll bar in response to a first input of long pressing the channel-up key or the channel-down key. there is. Additionally, the processor 120 may control the display unit 130 to display channel information about the channel corresponding to the point where the channel indicator is located.

The processor 120 controls the channel indicator to move from a first point on the channel scroll bar to a second point adjacent to the first point in the first direction, and selects channel information of the first channel corresponding to the first point. It can be controlled to change and display the channel information of the second channel, which is the next channel from the first channel. Alternatively, the processor 120 moves the channel indicator from a first point on the channel scroll bar to a third point adjacent to the first point in the second direction, and changes the channel information of the first channel to the previous channel of the first channel. You can control the display by changing the channel information of 3 channels.

Additionally, the processor 120 may control the current channel to be switched to a channel corresponding to the point where the channel indicator is located in response to the second input of releasing the channel-up key or the channel-down key. For example, the processor 120 may receive a broadcast signal corresponding to the switched channel and control the display unit 130 to display an image generated based on the received broadcast signal.

The processor 120 according to one embodiment may determine the channel corresponding to the point at which the channel indicator is located, based on the relative position of the channel indicator on the channel scroll bar.

Figure 3 is a block diagram showing the configuration of an image display device according to another embodiment. The video display device 200 of FIG. 3 may be an example of the video display device 100 of FIG. 1 .

Referring to FIG. 3, the image display device 200 according to one embodiment includes a control unit 210, a display unit 220, a detection unit 230, a video processing unit 280, an audio processing unit 215, and an audio output unit. It may include (225), a power unit 260, a tuner unit 240, a communication unit 250, an input/output unit 270, and a storage unit 290.

The detection unit 110 of FIG. 2 is connected to the detection unit 230 of FIG. 3, the processor 120 of FIG. 2 is connected to the control unit 210 of FIG. 3, and the memory 140 of FIG. 2 is connected to the storage unit of FIG. 3 ( At 290), the display unit 130 of FIG. 2 may correspond to the display unit 220 of FIG. 3, respectively. Contents that are the same as those described in FIG. 2 will be omitted from FIG. 3 .

The communication unit 250 can transmit and receive data or signals with an external device or server under the control of the control unit 210. The control unit 210 can transmit/receive content to/from an external device connected through the communication unit 250, download an application from an external device, or perform web browsing. The communication unit 251 transmits data in at least one of wireless LAN (e.g., Wi-Fi), Bluetooth, and wired Ethernet in response to the performance and structure of the video display device 200. Alternatively, signals can be transmitted and received. Additionally, the communication unit 250 may include a combination of wireless LAN 251, Bluetooth 252, and wired Ethernet 253. The communication unit 250 may further include other short-range communications (eg, near field communication (NFC), not shown) or Bluetooth low energy (BLE) (not shown) in addition to Bluetooth.

The tuner unit 240 amplifies, mixes, resonates, etc. broadcast signals received by wire or wirelessly to select only the frequency of the channel desired to be received by the video display device 100 among many radio wave components. You can select it by tuning. Broadcast signals include audio, video, and additional information (eg, Electronic Program Guide (EPG)).

The tuner unit 240 operates according to user input (e.g., a control signal received from the control device 300, e.g., channel number input, channel up/down input, and channel input from the EPG screen). Broadcast signals can be received in the frequency band corresponding to the channel number.

The tuner unit 240 can receive broadcast signals from various sources, such as terrestrial broadcasting, cable broadcasting, satellite broadcasting, and Internet broadcasting. The tuner unit 240 may receive broadcast signals from sources such as analog broadcasting or digital broadcasting. The broadcast signal received through the tuner unit 240 is decoded (eg, audio decoding, video decoding, or additional information decoding) and separated into audio, video, and/or additional information. Separated audio, video, and/or additional information may be stored in the video display device 200 under the control of the control unit 210.

The tuner unit 240 of the video display device 200 may be one or multiple. The tuner unit 240 may be implemented as an all-in-one unit with the image display device 200, or may be implemented as a separate device (e.g., a set-top box (e.g., set-top box) having a tuner unit electrically connected to the image display device 200. It can be implemented as a set-top box (not shown) and a tuner unit (not shown) connected to the input/output unit 270.

The video processing unit 280 performs processing on video data received by the video display device 200. The video processing unit 280 can perform various image processing such as decoding, scaling, noise filtering, frame rate conversion, and resolution conversion on video data.

The display unit 220 displays the video included in the broadcast signal received through the tuner unit 240 on the screen under the control of the control unit 210. Additionally, the display unit 220 may display content (eg, video) input through the communication unit 250 or the input/output unit 270. The display unit 220 can output the image stored in the storage unit 290 under the control of the control unit 210. In addition, the display unit 220 is a voice UI (including a voice command guide) for performing a voice recognition task corresponding to voice recognition or a motion recognition task corresponding to motion recognition. A motion UI (eg, including a user motion guide for motion recognition) may be displayed.

The audio processing unit 215 performs processing on audio data. The audio processing unit 215 may perform various processing such as decoding, amplification, noise filtering, etc. on audio data. Meanwhile, the audio processing unit 215 may be equipped with a plurality of audio processing modules to process audio corresponding to a plurality of contents.

The audio output unit 225 outputs audio included in the broadcast signal received through the tuner unit 240 under the control of the control unit 280. The audio output unit 225 may output audio (eg, voice, sound) input through the communication unit 250 or the input/output unit 270. Additionally, the audio output unit 225 may output audio stored in the storage unit 290 under the control of the control unit 210. The audio output unit 225 may include at least one of a speaker 226, a headphone output terminal 227, or a Sony/Philips Digital Interface (S/PDIF) output terminal 228. The audio output unit 225 It may include a combination of a speaker 226, a headphone output terminal 227, and a S/PDIF output terminal 228.

The power unit 260 supplies power input from an external power source to the internal components of the video display device 200 under the control of the control unit 210. Additionally, the power unit 260 may supply power output from one or more batteries (not shown) located inside the video display device 200 to internal components under the control of the control unit 210.

The detection unit 230 detects the user's voice, user's image, or user interaction.

The microphone 231 receives the user's uttered voice. The microphone 231 can convert the received voice into an electrical signal and output it to the control unit 210. The user voice may include, for example, a voice corresponding to a menu or function of the video display device 200. The microphone 431 may be implemented integrally with or separate from the video display device 200. The separated microphone 231 may be electrically connected to the video display device 200 through the communication unit 250 or the input/output unit 270.

The camera unit 232 receives images (eg, consecutive frames) corresponding to the user's motion, including gestures, within the camera recognition range. The user motion may include, for example, the user's face, facial expression, a part of the user's body such as a hand, a fist, or a finger, or the motion of a part of the user. The camera unit 232 may convert the received image into an electrical signal under the control of the control unit 210 and output it to the control unit 210.

The control unit 210 can use the received motion recognition result to select a menu displayed on the video display device 200 or perform control corresponding to the motion recognition result. For example, this may include channel adjustment, volume adjustment, indicator movement, and cursor movement.

The light receiver 233 receives optical signals (including control signals) received from an external control device through a light window (not shown) of the bezel of the display unit 220. The light receiver 233 may receive an optical signal corresponding to a user input (eg, touch, press, touch gesture, voice, or motion) from the control device. A control signal may be extracted from the received optical signal under the control of the control unit 210.

The input/output unit 270 transmits video (e.g., video, etc.), audio (e.g., voice, music, etc.) and additional information (e.g., video, etc.) from the outside of the image display device 200 under the control of the control unit 210. For example, EPG, etc.) are received. The input/output unit 270 is one of an HDMI port (High-Definition Multimedia Interface port, 271), a component jack (272), a PC port (PC port, 273), and a USB port (USB port, 274). may include. The input/output unit 270 may include a combination of an HDMI port 271, a component jack 272, a PC port 273, and a USB port 274.

It will be easily understood by those skilled in the art that the configuration and operation of the input/output unit 270 can be implemented in various ways according to embodiments of the present invention.

The control unit 210 controls the overall operation of the video display device 200 and signal flow between internal components of the video display device 200, and performs the function of processing data. The control unit 210 may execute an operating system (OS) and various applications stored in the storage unit 290 when there is a user input or a preset and stored condition is satisfied.

The control unit 210 stores signals or data input from the outside of the video display device 200, or uses RAM 281, which is used as a storage area corresponding to various tasks performed on the video display device 200, to store images. It may include a ROM (ROM) 282 and a processor (Processor) 283 storing a control program for controlling the display device 200.

The processor 283 may include a graphics processor (Graphic Processing Unit, not shown) for graphics processing corresponding to video. The processor 283 may be implemented as a System On Chip (SoC) that integrates a core (not shown) and a GPU (not shown).

The graphics processing unit 284 uses a calculation unit (not shown) and a rendering unit (not shown) to create a screen including various objects such as icons, images, and text. The calculation unit uses the user input detected through the detection unit 230 to calculate attribute values such as coordinates, shape, size, color, etc. for each object to be displayed according to the layout of the screen. The rendering unit generates screens with various layouts including objects based on the attribute values calculated by the calculation unit. The screen generated by the rendering unit is displayed within the display area of the display unit 220.

The first to n interfaces 285-1 to 285-n are connected to the various components described above. One of the interfaces may be a network interface connected to an external device through a network.

RAM 281, ROM 282, processor 283, graphics processing unit 284, and first to n interfaces 285-1 to 285-n may be interconnected through an internal bus 286. .

In this embodiment, the term “control unit of the video display device” includes the processor 283, ROM 282, and RAM 281.

The storage unit 290 may store various data, programs, or applications for driving and controlling the video display device 200 under the control of the control unit 210. The storage unit 290 includes a video processing unit 280, a display unit 220, an audio processing unit 215, an audio output unit 225, a power unit 230, a tuner unit 240, a communication unit 250, and a detection unit ( 230), input/output signals or data corresponding to the operation of the input/output unit 270 may be stored. The storage unit 290 includes a control program for controlling the video display device 200 and the control unit, an application initially provided by the manufacturer or downloaded from an external source, a graphical user interface (GUI) related to the application, and an object for providing the GUI (e.g. For example, images (text, icons, buttons, etc.), user information, documents, databases or related data can be stored.

In one embodiment, the term “storage unit” refers to the storage unit 290, the ROM 282 of the control unit, the RAM 281, or a memory card (e.g., micro SD card, USB) mounted on the video display device 200. memory, not shown). Additionally, the storage unit 290 may include non-volatile memory, volatile memory, a hard disk drive (HDD), or a solid state drive (SSD).

The storage unit 290 includes a broadcast reception module (not shown), a channel control module, a volume control module, a communication control module, a voice recognition module, a motion recognition module, an optical reception module, a display control module, an audio control module, an external input control module, It may include a power control module, a power control module of an external device connected wirelessly (eg, Bluetooth), a voice database (DB), or a motion database (DB). Not shown modules and database of the storage unit 290 include a broadcast reception control function, a channel control function, a volume control function, a communication control function, a voice recognition function, a motion recognition function, and an optical reception function in the video display device 200. It may be implemented in software form to perform a control function, a display control function, an audio control function, an external input control function, a power control function, or a power control function of an external device connected wirelessly (eg, Bluetooth). The control unit 210 can perform each function using these software stored in the storage unit 290.

Additionally, the image display device 200 having the display unit 220 may be electrically connected to a separate external device having a tuner unit. For example, the video display device 200 may be implemented as an analog TV, digital TV, 3D-TV, smart TV, LED TV, OLED TV, plasma TV, monitor, etc., but is not limited thereto and is not limited to those in the relevant technical field. It will be easily understood by those with ordinary knowledge.

Meanwhile, the block diagrams of the image display devices 100 and 200 shown in FIGS. 2 and 3 are block diagrams for one embodiment. Each component of the block diagram may be integrated, added, or omitted depending on the specifications of the video display devices 100 and 200 that are actually implemented. That is, as needed, two or more components may be combined into one component, or one component may be subdivided into two or more components. In addition, the functions performed by each block are for explaining the embodiments, and the specific operations or devices do not limit the scope of the present invention.

Figure 4 is a block diagram showing the configuration of a control device according to an embodiment.

Referring to FIG. 4, the control device 300 includes a wireless communication unit 320, a user input unit 330, a sensor unit 340, an output unit 350, a power supply unit 360, a storage unit 370, and a control unit ( 380).

The wireless communication unit 320 may transmit and receive signals with any one of the video display devices according to the embodiments described above. The wireless communication unit 320 may be provided with an RF module 321 capable of transmitting and receiving signals to and from the video display device 100 according to RF communication standards. Additionally, the control device 300 may be equipped with an IR module capable of transmitting and receiving signals with the image display device 100 according to IR communication standards.

The control device 300 may transmit commands regarding power on/off, channel change, volume change, etc. to the video display device 100 through the IR module 323, as necessary.

The user input unit 330 may be comprised of a keypad, button, touch pad, or touch screen. The user may manipulate the user input unit 330 to input commands related to the video display device 100 into the control device 300 . If the user input unit 330 is provided with a hard key button, the user can input a command related to the video display device 100 into the control device 300 by pressing the hard key button. If the user input unit 330 has a touch screen, the user can touch a soft key on the touch screen to input a command related to the video display device 100 through the control device 300. For example, the user input unit 330 may include a channel-up key or a channel-down key for changing channels. Additionally, the channel up-key or channel-down key may be composed of a hard key button, soft key, scroll wheel, etc. Additionally, the user input unit 330 may be provided with various types of input means that the user can operate, such as scroll keys and jog keys.

If the channel-up key or channel-down key is configured as a scroll wheel, continuous scroll-up input moves the scroll wheel up more than a preset number of times, or continuous scrolling input moves the scroll wheel down more than a preset number of times. -Down input may correspond to an input of long pressing the channel-up key or channel-down key according to one embodiment. Additionally, if there is no scroll input for a certain period of time after a continuous scroll-up input or a continuous scroll-down input, the input may correspond to an input of releasing the channel-up key or channel-down key according to one embodiment.

Additionally, the user input unit 330 may include a touch pad. The user input unit 330 according to one embodiment may receive user input such as drag, touch, or flip through the touch pad of the control device 300. Additionally, the video display device 100 may be controlled according to the type of user input received (eg, the direction in which the drag command is input, the time at which the touch command is input).

For example, the input of dragging through the touch pad may correspond to the input of pressing and holding the channel-up key or the channel-down key according to one embodiment, and after dragging, the input of releasing a touch tool, etc. from the touch pad may be, It may correspond to an input that releases the channel-up key or channel-down key according to one embodiment.

The sensor unit 340 may include a gyro sensor 341 or an acceleration sensor 343. The gyro sensor 341 can sense information about the movement of the control device 300. The acceleration sensor 343 can sense information about the moving speed of the control device 300, etc. Meanwhile, a distance measuring sensor may be further provided, thereby allowing the distance to the video display device 100 to be sensed.

The output unit 350 may output a video or audio signal corresponding to an operation of the user input unit 330 or a signal received from the video display device 100. Through the output unit 250, the user can recognize whether the user input unit 330 is operated or whether the image display device 100 is controlled.

For example, the output unit 350 outputs an LED module that lights up when the user input unit 330 is manipulated or a signal is transmitted and received with the image display device 100 through the wireless communication unit 220, a vibration module that generates vibration, and sound. It may be provided with a sound output module that outputs an image, or a display module that outputs an image.

The power supply unit 360 supplies power to the control device 300.

The storage unit 370 may store various types of programs, application data, etc. necessary for controlling or operating the control device 300.

The control unit 380 controls all matters related to the control of the control device 300. The control unit 380 sends a signal corresponding to a predetermined key operation of the user input unit 330 or a signal corresponding to the movement of the control device 300 sensed by the sensor unit 340 through the wireless communication unit 220 to an image display device ( 100).

Additionally, the transmission signal of the control device 200 detected through the detection unit 130 is transmitted to the processor 120 of the video display device 100. The processor 120 may determine information about the operation and key manipulation of the control device 300 from the signal transmitted by the control device 200 and control the video display device 100 in response.

FIGS. 5A to 5E are diagrams illustrating an example of a screen displayed on a video display device according to an embodiment.

Referring to FIG. 5A , the video display device 100 according to an embodiment may receive a control signal from the control device 300 and control the video display device 100 based on the received control signal.

The control device 300 according to one embodiment may transmit and receive signals with the image display device 100 according to IR or RF communication standards. However, it is not limited to this. Additionally, the control device 300 may include a channel-up key or a channel-down key. The channel-up key or channel-down key can be configured as a hard key button or soft key. Alternatively, the channel-up key or channel-down key may be configured as a scroll wheel.

The user may input commands related to the video display device 100 into the control device 300 by manipulating the keys of the control device 300 . For example, the user may send a command related to the video display device 100 to the control device 300 by pressing the channel-up key or the channel-down key or touching the channel-up key or the channel-down key. You can enter a command (for example, a command to switch to the next channel or switch to the previous channel).

The control device 300 may transmit a control signal corresponding to a user command to the video display device 100, and the video display device 100 switches the current channel to the next channel or switches to the previous channel in response to the control signal. can do. For example, as shown in FIG. 5A, the video display device 100 receives a channel-up key input signal from the control device 300 while the video for the current channel (e.g., channel 374) is displayed. You can receive it. When the video display device 100 receives a channel-up key input signal, it can switch the current channel (eg, channel 374) to the next channel (channel 375), as shown in FIG. 5B. The video display device 100 may receive a broadcast signal corresponding to the next channel (eg, channel 375) and display an image corresponding to the next channel (eg, channel 375) on the display unit. Additionally, when receiving a channel-down key input signal, the video display device 100 may switch the current channel to the previous channel.

Additionally, the video display device 100 may display channel information corresponding to the channel being switched. For example, as shown in FIG. 5B, the video display device 100 may display the channel number 430 (for example, '375') of the channel to be switched, and the previous channel number of the switched channel ( For example, '374') or the next channel number (for example, '376') can also be displayed.

Additionally, the video display device 100 may stop displaying channel information if no input is received for a certain period of time after the channel is switched.

Meanwhile, when the video display device 100 according to one embodiment receives an input signal for long pressing the channel-up key or an input signal for long pressing the channel-down key from the control device 300, as shown in FIG. 5C Likewise, a channel scroll bar 410 and a channel indicator 420 can be displayed. Alternatively, when the video display device 100 receives an input signal from the control device 300 by continuously pressing the channel-up key or the channel-down key a preset number of times, the video display device 100 displays the channel scroll bar 410 and the channel indicator 420. ) can be displayed. Alternatively, the video display device 100 may display a channel scroll bar 410 and a channel indicator 420 when receiving a specific key input. However, it is not limited to this.

In FIG. 5C, the channel scroll bar 410 is shown as being displayed in the form of a vertical scroll bar on the right side of the display unit, but this is not limited, and the channel scroll bar 410 may be displayed on the left, top, bottom, etc. of the display unit. and can be displayed in the form of a horizontal scroll bar. Additionally, a channel indicator 420 may be displayed on the channel scroll bar 410.

Additionally, the channel scroll bar 410 may include a plurality of points where the channel indicator can move. Additionally, a plurality of points may correspond to each of a plurality of channels stored in the video display device 100. For example, if the total channels stored in the video display device 100 are 1000 channels from channel 1 to channel 1000, the channel scroll bar 410 may include points 1 to 1000. At this time, the distance between adjacent points may be the same.

The video display device 100 may determine a channel corresponding to the point where the channel indicator 420 is located and display channel information 430 corresponding to the determined channel on the display unit. At this time, the video display device 100 may determine the channel corresponding to the point where the channel indicator 420 is located, based on the relative position of the channel indicator 420 on the channel scroll bar 410. For example, the ratio (L2/L1) of the distance (L2) from the starting point of the channel scroll bar 410 to the point where the channel indicator 420 is located to the total size (L1) of the channel scroll bar 410 is In the case of 0.375, the video display device 100 may determine the 375th channel among all 1000 channels as the channel corresponding to the point where the channel indicator 420 is located. Additionally, the video display device 100 may display channel information 430 (for example, channel number ‘375’) for the 375th channel on the display unit.

Additionally, the channel indicator 420 may indicate the location of the channel corresponding to the channel information 430 displayed on the display unit among all channels. For example, the total size (L1) of the channel scroll bar 410 corresponds to the total number of channels stored in the video display device 100, and is the distance from the starting point of the channel scroll bar 410 to the point where the channel indicator is located. (L2) may correspond to the order of channels corresponding to channel information 430 among all channels.

For example, as shown in FIG. 5C, the channel corresponding to the channel information 430 (e.g., channel number '375') displayed on the display unit is the 375th channel among all channels (channels 1 to 1000). For channels, L2/L1 may be 0.375. Additionally, the point where the channel indicator 420 is located may be point 375, which is the 375th point among the first to 1000th points.

In addition, when the video display device 100 continues to receive an input signal for pressing and holding the channel-up key or an input signal for pressing and holding the channel-down key, the video display device 100 moves the channel indicator 420 on the channel scroll bar 410 in the first direction. Alternatively, it can be moved in the second direction. Additionally, the video display device 100 can change the channel information 430 displayed on the display unit. For example, if the video display device 100 continues to receive an input signal for pressing and holding the channel-up key, it may move the channel indicator 420 upward on the channel scroll bar 410. At this time, the video display device 100 may move the channel indicator 420 at a certain interval on the channel scroll bar 410. For example, the video display device 100 may move the channel indicator 420 from a plurality of points where the current channel indicator 420 is located to an adjacent point in an upward direction. Additionally, the time for the channel indicator 420 to move from a start point to an end point among a plurality of points may be the same regardless of the total number of channels stored in the video display device 100.

Additionally, the video display device 100 may continuously change the channel number to the next or previous channel number whenever the channel indicator moves to an adjacent point. For example, as shown in FIG. 5D, the video display device 100 changes the channel numbers to 376, 377,... as the channel indicator moves upward. It can be changed in the order ,624, 625. Additionally, when the channel number ‘625’ is displayed on the video display device 100, the channel indicator 420 may be located at the 625th point among a plurality of points. Additionally, L2 (from the starting point of the channel scroll bar to the point where the channel indicator is currently located)/L1 (total size of the channel scroll bar) may be 0.625.

Meanwhile, while an input of long pressing the channel-up key or channel-down key is maintained (for example, while the channel indicator moves on the channel scroll bar), the video display device 100 displays the channel screen displayed on the display unit. may not be changed. For example, referring to FIGS. 5C and 5D, while the channel number changes from '375' to '625', the video display device 100 may continue to display the video 440 corresponding to channel 375. . However, it is not limited to this.

An input signal for long pressing the channel-up key according to one embodiment may include a plurality of consecutive pressed key signals. The video display device 100 may switch the current channel to the next channel in response to the first press key signal among the plurality of press key signals, as described in FIG. 5B. In addition, in response to the second and subsequent press key signals among the plurality of press keys, as shown in FIGS. 5C and 5D, the channel indicator is moved on the channel scroll bar, but the channel is not switched, and only the channel information is moved to the next channel. Information can be changed.

Meanwhile, the video display device 100 according to one embodiment may receive an input signal from the control device 300 to release the long-pressed channel-up key or channel-down key. When receiving an input for releasing the channel-up key or channel-down key, the video display device 100 may switch the current channel to the channel corresponding to the point where the channel indicator is located. For example, the video display device 100 determines the point where the channel indicator is located at the time of receiving the input for releasing the channel-up key or the channel-down key, and selects the channel corresponding to the point where the channel indicator is located. You can switch.

For example, as shown in FIG. 5E, at the time of receiving an input for releasing the channel-up key or the channel-down key, the channel indicator is located at the 625th point on the channel scroll bar, and the channel corresponding to the 625th point In the case of this 625 channel, the video display device 100 can switch the current channel (eg, channel 375) to channel 625. The video display device 100 may receive a broadcast signal corresponding to channel 625 and display the video 450 corresponding to channel 625 on the display unit.

When the channel is switched and a key input is not received, the video display device 100 may stop displaying the channel scroll bar 410 and the channel indicator 420.

FIGS. 6A and 6B are diagrams illustrating an example of a screen displayed on a video display device according to an embodiment.

The video display device 100 according to one embodiment may move the channel indicator 520 upward on the channel scroll bar 510 in response to an input of pressing and holding the channel-up key. The channel indicator 520 may continue to move upward and be located at the end point (for example, the 1000th point) among a plurality of points included in the channel scroll bar, as shown in FIG. 6A. When the channel indicator 520 is located at the end point, the video display device 100 corresponds to the last channel (e.g., the 1000th channel) among all channels (e.g., the first to the 1000th channels). Channel information 530 (for example, channel number '1000') can be displayed on the display unit. However, it is not limited to this.

When the channel indicator 520 is located at the end point, if an input of continuously pressing the channel-up key is received, the video display device 100 displays a plurality of channel indicators 520, as shown in FIG. 6B. Among the points, it can be moved from the end point (for example, the 1000th point) to the starting point (for example, the first point). When the channel indicator 520 is located at the starting point, channel information 530 corresponding to the first channel (e.g., the first channel) among all channels (e.g., the first to 1000th channels) For example, channel number '1') can be displayed on the display unit.

Alternatively, in response to an input of long pressing the channel-down key, if the channel indicator 520 continues to move down on the channel scroll bar 510, the channel indicator 520 displays a plurality of buttons, as shown in FIG. 6B. It can be located at the starting point among the points. When the channel indicator 520 is located at the starting point, if an input of pressing and holding the channel-down key is received, the video display device 100 starts the channel indicator 520, as shown in FIG. 6A. It can be moved from a point to an end point.

7A to 7C are diagrams illustrating an example of a screen displayed on a video display device according to an embodiment.

Referring to FIG. 7A, when the video display device 100 according to an embodiment receives an input signal for pressing and holding the channel-up key or an input signal for pressing and holding the channel-down key from the control device 300, the video display device 100 performs channel scrolling. A bar 610 and a channel indicator 620 can be displayed. At this time, the channel scroll bar 610 may include a plurality of areas 610a, 610b, 610c, and 610d. Each of the plurality of areas may correspond to a channel group.

The video display device 100 may divide all channels stored in the video display device 100 into a plurality of channel groups according to specific criteria. For example, the video display device 100 may group a plurality of channels according to the type of content provided in the channel to create a plurality of channel groups. At this time, the plurality of channel groups may include a movie channel group, a sports channel group, an entertainment/entertainment channel group, and a current affairs channel group.

Alternatively, the video display device 100 may group a plurality of channels according to the source of the broadcast signal to create a plurality of channel groups. At this time, the plurality of channel groups may include a terrestrial broadcasting channel group, a cable broadcasting channel group, a satellite broadcasting channel group, an Internet broadcasting channel group, etc.

Referring again to FIG. 7A, the video display device 100 corresponds channels included in a first channel group (for example, a sports channel group) among a plurality of channel groups to the first area 610a, and Channels included in the second channel group (e.g., entertainment/entertainment channel group) are placed in the second area 610b, and channels included in the third channel group (e.g., movie channel group) are placed in the third area 610c. ), channels included in the fourth channel group (eg, current affairs channel group) may correspond to the fourth area 610d. At this time, the size of the area corresponding to the channel group may be proportional to the number of channels included in the channel group. Additionally, the video display device 100 may receive a specific key input and change the display order of areas corresponding to the channel group.

Meanwhile, as shown in FIG. 7A, when receiving an input signal for long pressing the channel-up key or an input signal for long-pressing the channel-down key from the control device 300, the video display device 100 selects the next channel of the current channel. Channel information 630 corresponding to the channel or previous channel may be displayed on the display unit. For example, if the next or previous channel is channel 375, the channel number ‘375’ can be displayed on the display unit.

Additionally, a channel indicator 620 may be displayed in an area corresponding to a channel group including the next channel or previous channel among the plurality of areas 610a, 610b, 610c, and 610d of the channel scroll bar 610. For example, when the next channel or previous channel is included in the entertainment/entertainment channel group, the video display device 100 may display a channel indicator 620 in the second area 610b.

Additionally, a channel indicator may be displayed at a point corresponding to the order of the next channel or previous channel among the channels included in the channel group including the next channel or previous channel. For example, the size (L3) of the second area corresponds to the total number of channels included in the entertainment/entertainment channel group, and the distance (L4) from the starting point of the second area to the point where the channel indicator 630 is located. may correspond to the order of channel 375 among channels included in the entertainment/entertainment channel group. For example, if the entertainment/entertainment channel group includes 400 channels and channel 375 corresponds to the 200th channel among the 400 channels, L4/L3 may be 0.5.

In addition, the video display device 100 may continuously move the channel indicator 620 up or down when an input signal for long pressing the channel-up key or an input signal for long-pressing the channel down key is received. . At this time, when the channel indicator 620 moves on the second area 610b, channel information of channels included in the entertainment/entertainment channel group may be displayed.

For example, when the video display device 100 continues to receive an input signal for pressing and holding the channel-up key, it may move the channel indicator 620 upward on the second area 610b. In addition, the video display device 100 changes the channel number displayed on the display unit to the channel number corresponding to the channel next to the currently displayed channel number according to the channel order of the channels included in the entertainment/entertainment channel group, and displays the channel number. can do. For example, as shown in FIG. 7B, the video display device 100 changes channel numbers to 375, 387, 396, 410, . . . according to the channel order of channels included in the entertainment/entertainment channel group. It can be changed in the order , 520, 523. However, it is not limited to this.

In addition, when the channel indicator 620 continues to move up or down and is located at the end point of the second area 610b, if an input of continuously pressing the channel-up key or channel-down key is received, , the video display device 100 may move the channel indicator to the starting point of the first area 610a adjacent to the second area 610b. Additionally, the video display device 100 may continuously move the channel indicator 620 upward on the first area 610b. At this time, as shown in FIG. 7C, the video display device 100 corresponds to the point where the channel indicator 620 is located among the channels belonging to the sports channel group (channel group corresponding to the first area 610b). The channel number of the channel (for example, channel number '36') can be displayed.

Meanwhile, while an input of long pressing the channel-up key or channel-down key is maintained (for example, while the channel indicator moves on the channel scroll bar), the video display device 100 displays the channel screen displayed on the display unit. may not be changed.

FIGS. 8A and 8B are diagrams referenced to explain the speed at which a channel indicator moves on a channel scroll bar according to an embodiment.

Referring to FIG. 8A, when the video display device 100 according to an embodiment receives an input signal from the control device 300 by pressing and holding the channel-up key or the channel-down key, as shown in FIG. 8A , a channel scroll bar 710 and a channel indicator 720 can be displayed. At this time, a point corresponding to the preferred channel may be displayed on the channel scroll bar 710. Favorite channels may include channels that the user frequently watches or channels that the user has registered as favorites. However, it is not limited to this.

For example, among all channels stored in the video display device 100, the first channel, second channel, and third channel may be channels stored as favorite channels. At this time, as shown in FIG. 8A, specific objects 711, 712, and 713 are displayed at points corresponding to the first channel, points corresponding to the second channel, and points corresponding to the third channel on the channel scroll bar 710. ) may be displayed.

Referring to FIGS. 8A and 8B, the video display device 100 according to one embodiment may move the channel indicator at a first speed in the first area 710a of the channel scroll bar 710, and in the second area 710a. In (710b), the channel indicator can be moved at the second speed. At this time, the first speed may be greater than the second speed.

For example, as shown in FIG. 8A, the first area 710a may be an area that does not include specific objects 711, 712, and 713, and the video display device 100 selects a point corresponding to the preferred channel. In the first area 710a that does not include, the channel indicator 720 may be moved at a first speed.

Additionally, as shown in FIG. 8B, the second area 710b may be an area containing specific objects 711 and 712, and the video display device 100 may display a second area 710b containing a point corresponding to a preferred channel. In area 710b, the channel indicator 720 may be moved at a second speed that is slower than the first speed.

Meanwhile, the sizes of the first area 710a and the second area 710b can be set in various ways, and the moving speed of the channel indicator 720 in the first area 710a and the size of the second area 710b The moving speed of the channel indicator 720 may be set based on the sizes of the first area 710a and the second area 710b. Additionally, the time it takes for the channel indicator 720 to move the entire channel scroll bar 710 may be constant regardless of the number of preferred channels and the sizes of the first area 710a and the second area 710b.

Alternatively, while receiving an input signal from the control device 300 by pressing and holding the channel-up key, the video display device 100 determines the moving speed of the channel indicator in the first time section and the channel indicator in the second time section. You can also set the movement speed differently. For example, the video display device 100 may move the channel indicator quickly at the beginning of the input, and then move the channel indicator slowly thereafter. However, it is not limited to this.

Figure 9 is a flowchart showing a method of operating an image display device according to an embodiment.

Referring to FIG. 9, the video display device 100 according to one embodiment may display a channel scroll bar and a channel indicator (S910).

The video display device 100 may determine whether to display a channel scroll bar and a channel indicator by comparing the number of channels stored in the memory with a preset number.

The channel scroll bar may include a plurality of points corresponding to each of the channels stored in the video display device 100, the channel indicator may move to a plurality of points, and the distance between adjacent points among the plurality of points may be may be the same. Additionally, the time it takes for a channel indicator to move from a start point to an end point among a plurality of points may be the same regardless of the number of channels stored in the memory.

The video display device 100 may display channel information about the channel corresponding to the point where the channel indicator is located on the channel scroll bar.

The video display device 100 may receive a first input of pressing and holding the channel-up key or the channel-down key (S920).

At this time, the input of long pressing a key refers to the input of pressing the key and then maintaining the key press for more than a threshold time. For example, this means that the time difference between the time a key is pressed and the time the key is released is more than a critical time.

In addition, when the channel-up key or the channel-down key is configured with a scroll wheel, a scroll-up input that continuously moves the scroll wheel upward, or a scroll-down input that continuously moves the scroll wheel down, is one embodiment. It can respond to input by pressing and holding the channel-up key or channel-down key.

Additionally, an input of dragging through a touch pad may correspond to an input of pressing and holding a channel-up key or a channel-down key according to an embodiment.

In response to the first input, the video display device 100 may move the channel indicator in the first or second direction on the channel scroll bar and display channel information about the channel corresponding to the point where the channel indicator is located. There is (S930).

The video display device 100 controls the channel indicator to move from a first point on the channel scroll bar to a second point adjacent to the first point in the first direction, and displays channel information of the first channel corresponding to the first point. can be displayed by changing it to channel information of the second channel, which is the next channel after the first channel. Alternatively, the video display device 100 moves the channel indicator from a first point on the channel scroll bar to a third point adjacent to the first point in the second direction, and changes the channel information of the first channel to the previous channel of the first channel. The channel information of the third channel can be changed and displayed.

Additionally, the time for the channel indicator to move from a first point to a second point or from a first point to a third point may be inversely proportional to the number of channels stored in the memory.

The video display device 100 may receive a second input that releases the channel-up key or the channel-down key (S940).

Additionally, the video display device 100 may detect a second input when there is no scroll input for a certain period of time after a continuous scroll-up input or a continuous scroll-down input. Additionally, the image display device 100 may detect an input of releasing a touch tool or the like from the touch pad after dragging through the touch pad as a second input.

In response to the second input, the video display device 100 may switch the current channel to a channel corresponding to the point where the channel indicator is located and display an image corresponding to the switched channel (S950).

For example, the video display device 100 may determine the channel corresponding to the point where the channel indicator is located, based on the relative position of the channel indicator on the channel scroll bar. Additionally, the video display device 100 may receive a broadcast signal corresponding to the switched channel and display an image generated based on the received broadcast signal on the display unit 130.

A method of operating an image display device according to an embodiment may be implemented in the form of program instructions that can be executed through various computer means and recorded on a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, etc., singly or in combination. Program instructions recorded on the medium may be specially designed and constructed for the present invention or may be known and usable by those skilled in the art of computer software. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tapes, optical media such as CD-ROMs and DVDs, and magnetic media such as floptical disks. -Includes optical media (magneto-optical media) and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, etc. Examples of program instructions include machine language code, such as that produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter, etc.

Although the embodiments have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements made by those skilled in the art using the basic concept of the present invention defined in the following claims are also included in the scope of the present invention. belongs to

Claims (22)

In a video display device,
a detection unit that receives a channel change command including at least one of a channel-up command and a channel-down command;
display unit;
processor;
a receiving unit that receives a broadcast signal corresponding to one channel among a plurality of channels;
a memory that stores channel information corresponding to the plurality of channels; and
Contains one or more programs stored in the memory and executed by the processor,
The one or more programs above include:
Determine whether the channel change command received through the detection unit is a single channel change command that increases the channel number one by one or a continuous channel change command that continuously increases the channel number for each channel,
In response to the channel change command being the single channel change command, the current channel is changed from a first channel among the plurality of channels to a second channel adjacent to the first channel, and an image corresponding to the second channel is displayed. Control the display unit to display,
In response to the channel change command being the continuous channel change command, controlling the display unit to display a channel scroll bar and a channel indicator, wherein the channel scroll bar includes a plurality of channel points to which the channel indicator can move, The channel indicator indicates the location of the current channel among a plurality of channel points included in the channel scroll bar,
In response to the continuous channel change command remaining received even after the channel scroll bar is displayed, moving the channel indicator in the channel scroll bar in a first direction or a second direction in accordance with the continuous channel change command, and Maintain the current channel without switching channels,
If the channel change command is not received for a certain period of time while the channel scroll bar is displayed, the current channel is switched to the channel corresponding to the point of the channel scroll bar where the channel indicator was last located, and the switched channel is switched to the channel. An image display device comprising instructions for displaying a corresponding image. According to paragraph 1,
Each of the plurality of points of the channel scroll bar corresponds to each of the plurality of channels stored in the memory. According to paragraph 2,
The time for the channel indicator to move from a start point to an end point among the plurality of points is the same regardless of the number of channels stored in the memory. According to paragraph 2,
The time for the channel indicator to move from a first point among the plurality of points to a second point adjacent to the first point is inversely proportional to the number of channels stored in the memory. According to paragraph 2,
The first direction is a direction from a start point to an end point among the plurality of points, and the second direction is a direction from the end point to the start point. According to paragraph 2,
The one or more programs above include:
When the channel indicator moves from a first point on the channel scroll bar to a second point adjacent to the first point in the first direction, channel information of the first channel corresponding to the first point is stored in the second point. A video display device including instructions for changing and displaying channel information of a second channel, which is the next channel of one channel. According to paragraph 2,
When the channel indicator moves from a third point on the channel scroll bar to a fourth point adjacent to the third point in the second direction, channel information of the third channel corresponding to the third point is stored in the second direction. A video display device including instructions for changing and displaying channel information of a fourth channel, which is the previous channel of channel three. According to paragraph 1,
The one or more programs above include:
The channel information including at least one of a channel name for the channel corresponding to the point where the channel indicator is located, a broadcaster name providing the channel, a channel number, a type of content corresponding to the channel, and a content name of the content. A video display device including instructions for displaying. According to paragraph 1,
The one or more programs above include:
A video display device comprising instructions for comparing the number of channels stored in the memory with a preset number and determining whether to display the channel scroll bar and the channel indicator. According to paragraph 1,
The one or more programs above include:
A video display device that determines a channel corresponding to a point at which the channel indicator is located, based on the relative position of the channel indicator on the channel scroll bar. According to paragraph 1,
The one or more programs above include:
Grouping the channels stored in the memory into a plurality of channel groups according to certain criteria,
Among the plurality of channel groups, a first channel group corresponds to a first area of the channel scroll bar, and a second channel group corresponds to a second area of the channel scroll bar,
When the channel indicator moves on the first area, channel information of channels included in the first channel group is displayed, and when the channel indicator moves on the second area, channel information on channels included in the second channel group is displayed. A video display device including instructions for displaying channel information of channels. According to paragraph 1,
One or more programs:
A video display device comprising instructions for controlling the speed at which the channel indicator is moved in an area corresponding to a preset channel and the speed at which the channel indicator is moved in the remaining areas. According to paragraph 1,
The one or more programs above include:
A video display device comprising instructions for receiving a broadcast signal corresponding to the switched channel and displaying the video. In a method of operating a video display device,
Storing channel information corresponding to a plurality of channels in a memory;
Determining whether the channel change command received through the detection unit is a single channel change command that increases the channel number one by one or a continuous channel change command that continuously increases the channel number for each channel;
In response to the channel change command being the single channel change command, the current channel is changed from a first channel among the plurality of channels to a second channel adjacent to the first channel, and an image corresponding to the second channel is displayed. displaying steps;
In response to the channel change command being the continuous channel change command, displaying a channel scroll bar and a channel indicator, the channel scroll bar comprising a plurality of channel points to which the channel indicator can move, the channel indicator Indicates the location of the current channel among a plurality of channel points included in the channel scroll bar;
In response to the continuous channel change command remaining received even after the channel scroll bar is displayed, moving the channel indicator in the channel scroll bar in a first direction or a second direction in accordance with the continuous channel change command, and maintaining the current channel without switching channels; and
If the channel change command is not received for a certain period of time while the channel scroll bar is displayed, the current channel is switched to the channel corresponding to the point of the channel scroll bar where the channel indicator was last located, and the switched channel is switched to the channel. A method of operating an image display device, comprising: displaying a corresponding image. According to clause 14,
Each of the plurality of points of the channel scroll bar corresponds to each of the plurality of channels stored in the memory. According to clause 15,
The time for the channel indicator to move from a start point to an end point among the plurality of points is the same regardless of the number of channels stored in the memory. According to clause 15,
The step of moving the channel indicator is,
The channel indicator is moved from a first point on the channel scroll bar to a second point adjacent to the first point in the first direction, and channel information of the first channel corresponding to the first point is stored in the first point. A method of operating a video display device, including the step of changing and displaying channel information of a second channel, which is the next channel of the channel. According to clause 15,
The step of moving the channel indicator is,
The channel indicator is moved from a third point on the channel scroll bar to a fourth point adjacent to the third point in the second direction, and channel information of the third channel corresponding to the third point is stored in the third point. A method of operating a video display device, including the step of changing and displaying channel information of a fourth channel, which is the previous channel. According to clause 14,
The operation method is,
A method of operating a video display device, further comprising determining a channel corresponding to a point at which the channel indicator is located, based on the relative position of the channel indicator on the channel scroll bar. According to clause 14,
The operation method is,
Further comprising grouping the channels stored in the memory into a plurality of channel groups according to a certain standard,
Among the plurality of channel groups, a first channel group corresponds to a first area of the channel scroll bar, and a second channel group corresponds to a second area of the channel scroll bar,
The step of displaying the channel information is,
moving the channel indicator on the first area and displaying channel information of channels included in the first channel group; and
A method of operating a video display device, comprising moving the channel indicator on the second area and displaying channel information of channels included in the second channel group. According to clause 14,
The step of displaying the video corresponding to the switched channel is:
A method of operating a video display device, comprising receiving a broadcast signal corresponding to the switched channel and displaying the video. A computer-readable recording medium that records a program for executing the method of claim 14 on a computer.

Images