KR20150081845A - Display apparutus and control method thereof - Google Patents

Abstract

The present invention provides a display apparatus and a control method which can construct a plurality of frames to make a first video and a second video to correspond to a first frame group and a second frame group included in a set unit interval respectively. The display apparatus comprises: a video processing unit processing the first video of first content and the second video of second content; a display unit capable of either displaying or blocking display of each of the first video and the second video which are processed; and a control unit making the first video and the second video correspond to the first frame group and the second frame group constructing the frames included in the set unit interval respectively, displaying the first frame group in the display unit and blocking display of the second frame group if the first content is selected according to a command of a user, and displaying the second frame group in the display unit and blocking display of the first frame group if the second content is selected. Thereby, the present invention may provide the display apparatus and the control method thereof, which may reduce time consumption when the videos are changed and remove a screen stop and an operation such as maximization and minimization of the video which can occur when the videos are changed.

Description

DISPLAY APPARATUS AND CONTROL METHOD THEREOF [0002]

The present invention relates to a display apparatus and a control method thereof, and more particularly, to a display apparatus and a control method thereof that can reduce an operation and time for image switching when an image is viewed and switched.

A display device such as a TV displays an image based on a video signal. The display device can switch the image and display the image according to a user's request. For example, a case where a video of a TV broadcast is displayed, and the video is switched to an image of the Internet browser at the request of a user and displayed. In this case, some discontinuous phenomenon may occur in the process of switching from the previously displayed image to the next image. For example, from the viewpoint of the user, the previous image is minimized while getting smaller, and after the previous image disappears, the next image may appear to be enlarged and maximized. The reason why the discontinuous phenomenon occurs in the switching of the image as described above is that it is necessary to stop the decoding of the image being watched and start decoding the image to be watched. More specifically, when only a frame of an image viewed in a frame buffer is generated and arranged and then displayed, a frame of an image viewed in the frame buffer is deleted, and a frame of an image to be viewed is generated and arranged .

With this operation, it takes about 1-2 seconds to switch the image. In order to view a high-quality image, the image switching time may be further shortened. Such a display device related to the present invention may be inconvenient for a user who wants a quick and clean image to be converted.

If the user does not have the above-mentioned operation at the time of video switching and switches the video with almost no switching time, the satisfaction level of the user can be significantly increased.

An object of the present invention is to solve the problem of the display device related to the present invention described above, and it is an object of the present invention to provide a display device capable of promptly switching the image so that frames of a plurality of processed images are included in a predetermined unit section, And a control method.

According to an aspect of the present invention, there is provided a display apparatus including: an image processing unit for processing a first image of a first content and a second image of a second content in parallel; A display unit capable of displaying and blocking the processed first and second images, respectively; Wherein the first image and the second image correspond to a first frame group and a second frame group constituting a plurality of frames included in a predetermined unit section, respectively, and when the first content is selected according to a user's instruction, The first frame group is displayed on the display unit and the second frame group is not displayed, and when the second content is selected, the second frame group is displayed on the display unit and the first frame group is displayed And a control unit for controlling the display unit.

Here, the controller may alternately arrange the first frame group and the second frame group.

And an interface unit connectable to the plurality of contents, wherein when the first image is displayed by being connected to the first content and the source of the second content by the interface unit of the different paths, If the first content is selected according to a command of the user, the first image may be changed to the second image corresponding to the interface and displayed on the display unit.

The control unit may further include a storage unit for storing information on the content, wherein when one of the first image and the second image is displayed according to a user's command, the first image and the second image The address information, the channel information, and the video status information for one of the first and second video frames.

The control unit may set at least one of the setting of the first content and the setting of the second content by the user's input, the number of viewing times, the viewing time, the predetermined setting, and the random setting of the preferred channel Lt; / RTI >

The information processing apparatus may further include a storage unit for storing information on the content, wherein, when one of the first content and the second content is selected according to a user's command, The first content, and the second content.

According to another aspect of the present invention, there is provided a method of controlling a display device, the method comprising: processing a first image of a first content and a second image of a second content in parallel; Configuring a plurality of frames such that the first image and the second image correspond to a first frame group and a second frame group included in a predetermined unit section; If the first content is selected according to a user's command, displaying the first frame group on the display unit and the second frame group on the display unit; When the second content is selected, displaying the second group of frames on the display unit and blocking the first group of frames on the display unit.

The step of constructing the plurality of frames may include the steps of alternately arranging the first frame group and the second frame group.

The step of displaying the first frame group may include displaying the first image and the second image in association with the first content and the source of the second content, And changing the first image to the second image corresponding to the interface if the first content is selected.

Here, the step of causing the display to be blocked may include displaying one of the first image and the second image, if the one of the first image and the second image is displayed according to a user command, , Channel information, and video status information.

The setting of the first content and the second content may be set by at least one of setting by the user's input, setting by the number of times of viewing, setting by the viewing time, predetermined setting, and random setting among the preferred channels have.

If the first content and the second content are selected according to a user's command, the step of causing the display unit to block the display may include selecting one of the first content and the second content using information on the stored content, For example.

According to the present invention, a plurality of frames are configured so as to correspond to a first frame group and a second frame group included in a predetermined unit section of a first video and a second video, thereby reducing the time required for video switching, There is an effect that it is possible to eliminate the operations such as stopping of the screen that may occur at the time of image enlargement and minimization of the image.

1 is a block diagram showing a configuration of a display device according to the present invention,
2 is a block diagram showing a configuration of a display device according to an embodiment of the present invention,
FIG. 3 is an exemplary view showing switching of an image to a display device according to an embodiment of the present invention,
FIG. 4 is a diagram illustrating an exemplary configuration and operation of an image frame when a video is switched to a display device according to an exemplary embodiment of the present invention.
FIG. 5 is a diagram illustrating an example of a path of an image source for image switching of a display device according to an exemplary embodiment of the present invention,
6 is a control flowchart showing the operation of the display device according to the present invention,
7 is a control flowchart showing the operation of the display apparatus according to the embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Parts which are not directly related to the present invention are omitted for convenience of description, and the same or similar components are denoted by the same reference numerals throughout the specification.

The display apparatus 1 according to the present invention may be configured such that a plurality of images are processed together with a frame buffer (not shown) capable of storing image frames and image frames corresponding to a plurality of images are included in a predetermined unit section, You can reduce the time it takes to switch, remove motion such as stopping the screen, maximizing and minimizing the image.

1 is a block diagram showing a configuration of a display device 1 according to the present invention. The display device 1 according to the present invention may include an image processing unit 120, a display unit 130, and a control unit 100. Although the image receiving unit 110 is shown in FIG. 1, the image receiving unit 110 may be omitted.

The image receiving unit 110 may receive the image signal / image data by wire or wireless, and may transmit the image signal / image data to the image processing unit 120. The image receiving unit 110 receives a broadcast signal from a broadcast signal transmitting apparatus (not shown) such as a TV broadcast signal as a video signal, receives a video signal from a video apparatus such as a DVD player or a BD player, Receive a video signal from a mobile device such as a smart phone or a smart pad, receive a video signal through a network such as the Internet, or input video content stored in a storage medium such as a USB storage medium as a video signal . As another example, the video signal may not be received through the receiving unit, but may be stored in the storage unit 160 (not shown). The image receiving unit 110 may be provided in various ways corresponding to the standard of the image signal to be received and the implementation form of the display device 1. [ For example, the image receiving unit 110 may receive a radio frequency (RF) signal, or may be a composite video, a component video, a super video, a SCART, a high definition multimedia interface (HDMI) A display port, a unified display interface (UDI), or a wireless HD standard. When the video signal is a broadcast signal, the image receiving unit 110 may include a tuner for tuning the broadcast signal on a channel-by-channel basis.

In the embodiment of the display device 1 according to the present invention, the image receiving unit 110 is not necessarily required, but it is desirable that the display device 1 can receive images from the outside.

The type of the image processing process performed by the image processing unit 120 is not limited. For example, the image processing unit 120 may perform de-multiplexing for distributing a predetermined signal to each characteristic signal, decoding corresponding to the image format of the image signal, De-interlacing for converting an interlaced video signal into a progressive mode, noise reduction for improving image quality, detail enhancement, frame refresh rate (frame refresh rate) (not shown) for decoding a source image corresponding to an image format of an encoded source image, and a frame buffer (not shown) for storing a decoded source image on a frame basis can do.

The image processor 120 may be a system-on-a-chip (SOC) that integrates various functions, or an individual configuration capable of independently performing each of the processes, And can be embodied in the display device 1.

The image processing unit 120 performs predetermined image processing processes on a source image including a broadcast signal including a video signal received from a receiving unit (not shown) and a video signal supplied from a video source (not shown). The image processing unit 120 outputs the processed image signal to the display device 1, so that the processed source image can be displayed on the display device 1.

The image processing unit 120 may be configured to process the first image of the first content and the second image of the second content in parallel.

The display unit 130 can display an image based on the image signal output from the image processing unit 120. [ The display unit 130 may be implemented in various forms including, but not limited to, a liquid crystal, a plasma, a light-emitting diode, an organic light-emitting diode, electron conduction electron-emitter, carbon nano-tube, nano-crystal, and the like.

The display unit 130 may further include an additional configuration depending on the implementation method. For example, when the display unit 130 is a liquid crystal type, the display unit 130 may include a liquid crystal display panel (not shown), a backlight unit (not shown) for supplying light thereto, And a panel drive substrate (not shown).

The display unit 130 displays an image based on the image signal processed by the image processing unit 120. There is no limitation on the manner in which the display unit 130 displays an image, but includes a method of an LCD, a PDP, and an OLED. In this case, the display unit 130 may include an LCD panel, a PDP panel, an OLED panel, and the like.

The display unit 130 may display and / or block the first and second images processed by the image processing unit 120, respectively.

The control unit 100 corresponds to the first frame group and the second frame group constituting the plurality of frames included in the predetermined unit section, respectively, and when the first content is selected according to the user's command When the second content is selected, the second frame group is displayed on the display unit 130 and the first frame group is displayed on the display unit 130. In this case, .

2 is a block diagram showing a configuration of a display device 1 according to an embodiment of the present invention. The display device 1 according to an embodiment of the present invention may include the configuration of FIG. 1 and may further include an interface unit 140, a communication unit 150, and a storage unit 160.

The interface unit 140 transmits and receives data to and from an external input source. The external input source includes a graphics card for converting the generated data into a video signal and transmitting the video data to the display device 1, and may store a predetermined graphics card patch for color correction. The external input source is preferably implemented by a PC, but a specific implementation is not limited thereto. The interface unit 140 can transmit and receive data from an external input source by using a DVI (Digital Visual Interface), a Component, an HDMI (High-Definition Multimedia Interface), or an SDI (Serial Digital Interface).

The interface unit 140 transmits a signal received through the connector to the control unit 100 or the image processing unit 120 or the signal transmitted from the control unit 100 or the image processing unit 120 to the connector. The interface unit 140 performs relaying, transmission, and interface of signals between the respective components in the display device 1. The interface unit 140 may be separate from the image processing unit 120 and the control unit 100. The image processing unit 120 or the control unit 100 may be implemented in accordance with the implementation method of the display device 1. [ Or may be implemented in a dependent configuration.

The interface unit 140 may be implemented as a USB controller module that controls signal transmission through a connector by being connected to a corresponding connector when the connector is USB-based.

The communication unit 150 may receive a signal from an external input and transmit the signal to the image processing unit 120 or the control unit 100. The communication unit 150 can receive a signal from the external input by wire or a signal received wirelessly according to a predetermined wireless communication standard by connecting various external input cables.

The communication unit 150 may include a plurality of connectors (not shown) to which the respective cables are individually connected. The communication unit 150 receives a signal from a connected external input such as an HDMI, a USB, a component standard, a video signal, a data signal, or the like, or receives communication data via a communication network .

The communication unit 150 may include a wireless communication module (not shown) for wireless communication or a tuner (not shown) for tuning a broadcast signal, according to a design method of the display device 1 (Not shown), and the like. In addition to receiving a signal from the external device, the communication unit 150 may also transmit the information / data / signal of the image processing device to the external device. That is, the communication unit 150 can not be limited to a configuration for receiving a signal to an external device, and can be implemented as an interface capable of bidirectional communication. The communication unit 150 can receive a control signal for selecting a UI from a plurality of control devices. The communication unit 150 may be a communication module for publicly known short range wireless communication such as Bluetooth, IR, UWB, Zigbee, etc. and may be a known communication port for wired communication . The communication unit 150 may be used for various purposes such as a command for operating a display, transmission / reception of data, and the like, in addition to a control signal for selecting a UI. You can also connect to the network to open a web page.

The storage unit 160 is preferably provided with a writable nonvolatile memory (Writable ROM) so that data may remain in the display device 1 even if the power is turned off, and the change of the user data may be reflected. That is, the storage unit 160 may be a flash memory, an EPROM, or an EEPROM. The storage unit 160 may store information about the content.

The control unit 100 may alternately arrange the first frame group and the second frame group. A plurality of frames may be configured to correspond to the first frame group and the second frame group included in the predetermined unit section, respectively, wherein the first frame group and the second frame group are arranged in order ≪ / RTI >

When the first content is connected to the first content and the source of the second content by the interface unit 140 having different paths and the first video is displayed, if the first content is selected according to the user's command, To the second image corresponding to the interface unit 140 and display the second image on the display unit 130.

For example, the second image is provided by being connected to an external device in which an image is stored, via the interface unit 140. The first image is an image of a web page connected to the network through the communication unit 150.

When a user views an image of a web page and presses an external input button, which is a button for connecting to an external device using a remote controller, the second image is converted into a second image stored in the external device, Can be displayed.

When one of the first image and the second image is displayed according to a user's command, the control unit 100 displays information on the interface 140, address information, channel information, And status information.

If one of the first content and the second content is selected according to a command of the user, the controller 100 may display one of the first content and the second content using information on the stored content.

The controller 100 may set the first content and the second content based on at least one of a setting by a user's input, a setting by a viewing count, a setting by a viewing time, a predetermined setting, and a random setting of a preferred channel have.

FIG. 3 is an exemplary diagram showing an image switching to the display device 1 according to an embodiment of the present invention.

3 (a) shows a user viewing the web browser 10 displayed on the screen. In the image processing, the image of the web browser and the image of the sport channel 20 are processed in parallel, Is not displayed.

3 (b) shows a case in which a user views the web browser 10 and selects an image of the sport channel 20 so that the image of the web browser 10 is not displayed on the screen. Indicating that the image is being displayed on the screen.

4 is an exemplary diagram illustrating the configuration and operation of an image frame at the time of image switching by the display device 1 according to an embodiment of the present invention.

FIG. 4 specifically shows an operation of changing the image and changing the image in FIG. 3.

4, the first image and the second image correspond to a first frame group and a second frame group, respectively, constituting a plurality of frames included in a predetermined unit interval, that is, one second, and the first frame group and the second frame And the groups were alternately arranged. The first frame group is denoted by 1 and the second frame group is denoted by 2. If the number of frames provided by the display apparatus 1 for one second is 240 Hz, if the predetermined unit interval A is 1 second, the first frame group will consist of 120 frames and the second frame group 120 frames. Here, when the first frame group is displayed, the image is displayed at 120 Hz, and 120 first frames are displayed in one second. The larger the number of frames shown in one second, the better the image quality of the image.

Here, when the user changes the image from the second image to the first image, if the input of the user is input at the time point of the (a), the frame of the first frame is displayed on the display unit 130 until From the frame (2) of the frame, the display unit 130 displays the first frame group on the display unit 130 by blocking the display of the second frame group.

5 is an exemplary diagram illustrating a path of an image source for image switching of the display device 1 according to an embodiment of the present invention.

5 shows various paths of an image source in which the display device 1 is provided.

First, a path for receiving a broadcast video signal to the image receiving unit 110

Secondly, the communication unit 150 receives the image source provided from the network

Third, the memory 140 is connected to the USB port, which is the interface unit 140,

Fourth, the path already stored in the storage unit 160 is provided.

Although the above-described path is described in four ways, it may be possible that the path is connected and capable of receiving an image source.

Fig. 6 is a control flowchart showing the operation of the display device 1 according to the present invention.

A first image of the first content and a second image of the second content are processed in parallel (S11).

A plurality of frames are configured to correspond to the first frame group and the second frame group included in the predetermined unit section, respectively, in the first image and the second image (S12).

When the first content is selected according to the user's command, the first frame group is displayed on the display unit 130 and the second frame group is displayed (S13).

If the second content is selected, the second frame group is displayed on the display unit 130 and the first frame group is displayed (S14).

7 is a control flow chart showing the operation of the display device 1 according to the embodiment of the present invention.

The first content and the second content are set (S21). Here, the setting of the first content and the second content may be set by at least one of a setting by the user's input, a setting by the number of times of viewing, a setting by the viewing time, a predetermined setting, and a random setting among the preferred channels.

A first image of the first content and a second image of the second content are processed in parallel (S22).

A plurality of frames are configured to correspond to the first frame group and the second frame group included in the predetermined unit section, respectively, in the first image and the second image (S23). The first frame group and the second frame group may be arranged to be mixed in a predetermined unit interval.

The first frame group and the second frame group are alternately arranged (S24). Since the first frame group and the second frame group are alternately arranged at the time of image switching, the image can be switched most quickly.

When the first content is selected according to the user's command, the first frame group is displayed on the display unit 130 and the second frame group is displayed (S25). Here, if there is information about the stored first content, the first content may be displayed using the information.

At least one of the interface 140 information, the address information, the channel information, and the image status information for the first image to be displayed is stored (S26).

If the second content is selected, the second frame group is displayed on the display unit 130 and the first frame group is displayed (S27).

And stores at least one of the interface 140 information, the address information, the channel information, and the image status information for the displayed second image (S28). Here, if there is information on the stored second contents, the second contents can be displayed using the information.

Due to the above-described display device 1, it is possible to reduce the time required for switching the image, and to eliminate the operations such as stopping of the screen, maximization and minimization of the image, which may occur in switching the image.

While the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope or spirit of this invention. Accordingly, the scope of the present invention should not be construed as being limited to the embodiments described so far, but rather by the appended claims and their equivalents.

1: Display device 100:
110: image receiving unit 120: image processing unit 130: display unit 140:
150: communication unit 160:

Claims (12)

In the display device,
An image processing unit for processing a first image of the first content and a second image of the second content in parallel;
A display unit capable of displaying and blocking the processed first and second images, respectively;
Wherein the first image and the second image correspond to a first frame group and a second frame group constituting a plurality of frames included in a predetermined unit section, respectively, and when the first content is selected according to a user's instruction, The first frame group is displayed on the display unit and the second frame group is not displayed, and when the second content is selected, the second frame group is displayed on the display unit and the first frame group is displayed And a control unit for controlling the display unit. The method according to claim 1,
The control unit alternately arranges the first frame group and the second frame group. The method according to claim 1,
Further comprising an interface unit connectable with the plurality of contents,
Wherein the control unit is connected to the first content and the source of the second content to the interface unit of the different paths to display the first video and when the first content is selected according to a command of the user, And changing the image to the second image corresponding to the interface unit and displaying the second image on the display unit. The method according to claim 1,
And a storage unit for storing information on the content,
Wherein the control unit is configured to display one of the first image and the second image according to a command of a user and to display interface unit information, address information, channel information, And stores the at least one of the information. The method according to claim 1,
Wherein the setting of the first content and the second content is performed by at least one of setting by the user's input, setting by the number of times of viewing, setting by viewing time, predetermined setting, and random setting of the preferred channel Lt; / RTI > The method according to claim 1 or 4,
And a storage unit for storing information on the content,
Wherein the controller displays one of the first content and the second content using information on the stored content when one of the first content and the second content is selected according to a user's command. A method of controlling a display device,
Processing a first image of the first content and a second image of the second content in parallel;
Configuring a plurality of frames such that the first image and the second image correspond to a first frame group and a second frame group included in a predetermined unit section;
If the first content is selected according to a user's command, displaying the first frame group on the display unit and the second frame group on the display unit;
And if the second content is selected, displaying the second frame group on the display unit and blocking the display of the first frame group. 8. The method of claim 7,
Wherein the step of constructing the plurality of frames comprises:
And arranging the first frame group and the second frame group alternately with each other. 8. The method of claim 7,
Wherein the step of displaying the first frame group comprises:
When the first image is displayed by being connected to the first content and the source of the second content by an interface part of different paths,
And changing the first image to the second image corresponding to the interface if the first content is selected according to a command of the user. 8. The method of claim 7,
The method of claim 1,
When at least one of the first image and the second image is displayed according to a user's command, at least one of interface unit information, address information, channel information, and image status information for one of the first image and the second image to be displayed The method comprising the steps of: 8. The method of claim 7,
Wherein the setting of the first content and the second content is set by at least one of a setting by the user's input, a setting by the number of times of viewing, a setting by a viewing time, a predetermined setting, / RTI > 11. The method according to claim 7 or 10,
The method of claim 1,
And displaying one of the first content and the second content using information about the stored content if one of the first content and the second content is selected according to a command of a user Control method.

Images