KR101917662B1 - Display apparatus and control method thereof - Google Patents

Display apparatus and control method thereof Download PDF

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Publication number
KR101917662B1
KR101917662B1 KR1020140120394A KR20140120394A KR101917662B1 KR 101917662 B1 KR101917662 B1 KR 101917662B1 KR 1020140120394 A KR1020140120394 A KR 1020140120394A KR 20140120394 A KR20140120394 A KR 20140120394A KR 101917662 B1 KR101917662 B1 KR 101917662B1
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South Korea
Prior art keywords
display device
kernel
unit
communication module
display
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KR1020140120394A
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Korean (ko)
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KR20150082066A (en
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최현석
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삼성전자주식회사
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Priority to EP14198684.4A priority Critical patent/EP2891945A1/en
Priority to US14/589,530 priority patent/US10198980B2/en
Priority to CN201510004782.0A priority patent/CN104765585B/en
Publication of KR20150082066A publication Critical patent/KR20150082066A/en
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Publication of KR101917662B1 publication Critical patent/KR101917662B1/en

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  • Theoretical Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)

Abstract

A display device supporting a standby mode and a control method thereof are provided. According to the display device, when a user command for turning on the power of the display device is input through a display unit for displaying an image, an interface unit for connecting at least one external device, an input unit for inputting a user command, and an input unit, Resumes the configuration of the display device, resets the configuration of the display device, and then controls the interface unit to sequentially resume at least one external device.

Description

DISPLAY APPARATUS AND CONTROL METHOD THEREOF [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device and a control method thereof, and more particularly, to a display device which requires a short time to turn on a display device and a control method thereof.

2. Description of the Related Art [0002] With the development of display device technology, a display device includes various functions such as not only a function of displaying an image but also a search of content and a shooting of an image.

Therefore, in order to perform content search or image photographing using the Internet, a display device equipped with a Wi-Fi module or a camera module is increasing.

In particular, the USB interface is often used because the distance from the control unit to each module is relatively long, typically about 0.5 to 1 meter (m).

However, when the USB interface is used, the time required for resume of each module is long even in the suspend mode for quick booting.

Accordingly, a need has arisen for a technique that enables a user to quickly turn on a display device when a user command for turning on the display device is input.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned needs, and it is an object of the present invention to provide a display device and a control method thereof which enable a user to quickly turn on a display device.

According to an aspect of the present invention, there is provided a display device including a display unit for displaying an image, an interface unit for connecting at least one external device, an input unit for receiving a user command, Resume the configuration of the display device when a user command for turning on the power of the device is input and resume the configuration of the display device and then resume the at least one external device sequentially And a control unit for controlling the interface unit.

The external device may include at least one of a Wi-Fi module, a Bluetooth module, and a camera module.

The interface unit may connect the at least one external device to the display device via USB.

The configuration of the display device may include a kernel of the display device and a kernel drive.

The control unit resumes the external device by supplying power to the USB for connecting the external device in a predetermined order.

Meanwhile, the controller may apply a reset signal of a row value to the USB for connecting the external device while resuming the configuration of the display device, resume the configuration of the display device, And a high reset signal is applied to the USB for connection in a predetermined order.

Meanwhile, in the method of controlling a display device according to an embodiment of the present invention, when a user command to turn on a power of a display device is input, the step of resuming the configuration of the display device, And resuming at least one external device connected through the interface unit sequentially.

The external device may include at least one of a Wi-Fi module, a Bluetooth module, and a camera module.

The interface unit may connect the at least one external device to the display device via USB.

The configuration of the display device may include a kernel of the display device and a kernel drive.

The step of sequentially resuming the at least one external device may include resuming the external device by supplying power to the USB for connecting the external device in a preset sequence.

The resetting of the at least one external device sequentially applies a reset signal of a row value to the USB for connecting the external device while resuming the configuration of the display device, And then applies a high reset signal to the USB for connecting the external device in a predetermined order.

According to various embodiments of the present invention, the user is able to quickly turn on the display device.

1 is a block diagram showing the configuration of a display device according to an embodiment of the present invention;
2 is a block diagram specifically showing a configuration of a display device according to an embodiment of the present invention;
3 is a view showing a resume time of a display device according to a conventional method,
4 is a view showing a resume time of a display device according to an embodiment of the present invention;
5 is a flowchart showing a control method of a display device according to an embodiment of the present invention;
6 is a diagram illustrating the configuration of an interface unit according to an embodiment of the present invention;
7 is a flowchart illustrating a method of controlling a display apparatus according to an embodiment of the present invention;
8 is a diagram illustrating a configuration of an interface unit according to an embodiment of the present invention,
9 is a flowchart illustrating a method of controlling a display apparatus according to an embodiment of the present invention.

Various embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions of the present invention, and these may be changed according to the intention of the user, the operator, or the like. Therefore, the definition should be based on the contents throughout this specification.

Fig. 1 is a block diagram schematically showing the configuration of a display device 100 according to an embodiment of the present invention. 1, the display device 100 includes a display unit 110, an interface unit 120, an input unit 130, and a control unit 140. At this time, the display device 100 may be a TV, but it may be implemented in various electronic devices such as a mobile phone, a tablet PC, a digital camera, a camcorder, a notebook PC, a PDA, .

The display unit 110 is a component for displaying an image. The display unit 110 may display the content received through the broadcast channel. That is, the display apparatus 100 may receive various broadcast signals transmitted from broadcasting stations through an RF communication network or may receive contents from various servers through an IP network. The display unit 110 displays the received contents on a display can do.

The interface unit 120 is a component for connecting the control unit 140 of the display device 100 to an external device.

Specifically, the external device connected to the control unit 140 through the interface unit 120 may include at least one of a Wi-Fi module, a Bluetooth module, and a camera module. However, the external device may be different according to the function or the type of the display device 100, and the like.

The interface unit 120 can connect an external device to the display device 100 via USB. Specifically, when there are a plurality of external devices, the interface unit 120 includes a plurality of USB ports, and each external device can be connected to each USB port. Alternatively, the interface unit 120 may connect a plurality of external devices to the display device 100 using a USB hub capable of connecting a plurality of external devices.

The input unit 130 is a component for receiving a user command. The input unit 130 receives a user command for controlling the overall operation of the display device 100. In particular, the input unit 130 may receive a user command to turn on / off the power of the display device 100.

At this time, the input unit 130 may be realized by a remote controller including four direction keys in the up and down direction, left and right direction, and an OK key. However, the input unit 130 may be implemented by various input devices such as a touch screen, a mouse, and a pointing device .

Meanwhile, the control unit 140 is a component for controlling the overall operation of the display device 100. In particular, when a user command for turning on the power of the display device 100 is input through the input unit 130, the control unit 140 resumes the configuration of the display device 100, 100, the interface unit 120 can be controlled so as to sequentially resume the at least one external device.

The configuration of the display device 100 may include a kernel of the display device and a kernel drive. The kernel may be an operating system (OS) for driving the display device 100. The kernel drive may be a device included in the display device 100, such as an audio output, a panel such as the display 110, or a tuner.

The controller 140 resets the kernel and the kernel drive, and then resumes the external device by supplying power to the USB for connecting the external device in the predetermined order.

Alternatively, the control unit 140 may apply a reset signal of a row value to the USB for connecting the external device while resuming the configuration of the display device 100 including the kernel and the kernel drive, After the configuration is resumed, a high reset signal can be applied to the USB for connecting the external device in a predetermined sequence.

That is, the control unit 140 can control the resume of the external device after the display unit 100 is reset and the display unit 110 is turned on.

Hereinafter, the configuration of the display apparatus 100 will be described in more detail with reference to FIG. FIG. 2 is a block diagram showing details of the configuration of the display apparatus 100, according to an embodiment of the present invention. 2, the display device 100 includes a display unit 110, an interface unit 120, an input unit 130, a control unit 140, an image receiving unit 150, an image processing unit 160, An audio output unit 180, a storage unit 190, a communication unit 100, and an input unit 210, as shown in FIG.

2 illustrates an example in which the display apparatus 100 is a device having various functions such as a suspend mode or a standby mode function, such as a suspend mode, a communication function, a moving image playback function, a display function, , And various components. Therefore, depending on the embodiment, some of the components shown in Fig. 2 may be omitted or changed, and other components may be further added.

The display unit 110 is a component for displaying an image. The display unit 130 may display the content received through the broadcast channel. That is, the display unit 130 may display at least one of a video frame processed by the image processing unit 160 and various screens generated by the graphic processing unit 143, the image data received from the image receiving unit 150 .

On the other hand, if the reset of the configuration of the display device 100 is completed by the control of the control unit 140, the display unit 110 is turned on. That is, when the reset of the configuration of the display apparatus 100 is completed, the display unit 110 may be turned on and on.

The interface unit 120 is a component for connecting the control unit 140 of the display device 100 to an external device.

Specifically, the external device may include at least one of a Wi-Fi module 210, a Bluetooth module 220, and a camera module 230. However, the external device may be different according to the function or the type of the display device 100, and the like.

The WiFi module 210 is a component for using a local area network capable of wireless Internet using radio waves in a place where a wireless access device (AP) is installed through the display device 100.

In addition, the Bluetooth module 220 is a component for using wireless transmission technology between an external electronic device (e.g., a mobile phone or a PC) of the display device 100. [

The camera module 230 is a component for capturing an image. That is, the camera module 230 can receive an image of a subject by converting an optical signal inputted through a lens into an electrical signal through an image sensor. At this time, the object refers to all the objects including the main subject and background in the generated captured image.

Meanwhile, the interface unit 120 can connect an external device to the display device 100 via USB. Specifically, when there are a plurality of external devices, the interface unit 120 includes a plurality of USB ports, and each external device can be connected to each USB port. Or a USB hub capable of connecting a plurality of external devices, the interface unit 120 can connect a plurality of external devices to the display device 100 through the USB hub.

The input unit 130 is a component for receiving a user command. The input unit 130 receives a user command for controlling the overall operation of the display device 100. In particular, the input unit 130 may receive a user command to turn on / off the power of the display device 100.

At this time, the input unit 130 may be realized by a remote controller including four direction keys in the up and down direction, left and right direction, and an OK key. However, the input unit 130 may be implemented by various input devices such as a touch screen, a mouse, and a pointing device .

Meanwhile, the control unit 140 is a component for controlling the overall operation of the display device 100. In particular, when a user command for turning on the power of the display device 100 is input through the input unit 130, the control unit 140 resumes the configuration of the display device 100, 100, the interface unit 120 can be controlled so as to sequentially resume the at least one external device.

Specifically, the control unit 140 can resume the external device by supplying power to the USB for connecting the external devices in a predetermined order. Alternatively, the control unit 140 applies a reset signal of a row value to the USB for connecting the external device while resuming the configuration of the display device 100, resets the configuration of the display device 100, It is possible to apply a high reset signal to the USB for connecting the devices in a predetermined order.

That is, the control unit 140 controls the power supply to the USB port or the USB hub for connecting the external device and the display device 100, or controls the reset time of the external device by controlling the reset signal applied thereto. The configuration of the display device and the specific method for resetting the external device by the control unit 140 will be described later.

Meanwhile, the image receiving unit 150 receives image data through various sources. For example, the image receiving unit 150 can receive broadcast data from an external broadcasting station, receive image data in real time from an external server, receive image data stored in an internal storage unit 190 have.

The image processing unit 160 is a component that performs processing on the image data received by the image receiving unit 150. The image processor 160 may perform various image processes such as decoding, scaling, noise filtering, frame rate conversion, and resolution conversion on the image data.

The audio processing unit 170 is a component that performs processing on audio data. In the audio processing unit 170, various processes such as decoding and amplification of audio data, noise filtering, and the like may be performed. The audio data processed in the audio processing unit 240 may be output to the audio output unit 180.

The audio output unit 180 outputs various kinds of audio data processed by the audio processing unit 170 as well as various kinds of announcement sounds and voice messages. At this time, the audio output unit 180 may be implemented as a speaker, but it may be implemented as an audio terminal only as an example.

The storage unit 190 stores various modules for driving the display device 100. For example, the storage unit 190 may store software including a base module, a sensing module, a communication module, a presentation module, a web browser module, and a service module. In this case, the base module is a base module that processes a signal transmitted from each hardware included in the display device 100 and transmits the signal to an upper layer module. The sensing module is a module for collecting information from various sensors and analyzing and managing the collected information, and may include a face recognition module, a voice recognition module, a motion recognition module, and an NFC recognition module. The presentation module is a module for constructing a display screen, and may include a multimedia module for reproducing and outputting multimedia contents, a UI, and a UI rendering module for performing graphics processing. A service module is a module including various applications for providing various services.

As described above, the storage unit 190 may include various program modules, but it goes without saying that various program modules may be omitted, modified or added depending on the type and characteristics of the display device 100. For example, when the display device 100 is implemented as a smartphone, the base module may further include a position determination module for determining a GPS-based position, and the sensing module may further include a sensing module can do.

The storage unit 190 may store the operation state of the display device 100 when a user command for turning off the power of the display device 100 is input through the input unit 130. [

That is, the display device 100 stores the state of the hardware drive at the time of turning off the power of the display device 100 in a storage unit 190 such as a DRAM, thereby generating a suspend to ram or a suspend- to disk can be used. Accordingly, the display apparatus 100 can save the contents stored in the storage unit 190 such as a DRAM by using the self-refresh operation of the DDR memory of the storage unit 190 in the suspended state. When the user command for turning on the power of the display device 100 is inputted from the user, the operation state before the power off can be promptly saved.

Meanwhile, the communication unit 200 is configured to perform communication with various types of external devices according to various types of communication methods. The communication unit 200 may include various communication modules such as a WiFi module 210, a Bluetooth module 220, and an NFC module connected through the interface unit 120. At this time, the WiFi module 210, the Bluetooth module 220, and the NFC module perform communication using the WiFi method, the Bluetooth method, and the NFC method, respectively. Among these, the NFC module refers to a module operating in an NFC (Near Field Communication) mode using 13.56 MHz band among various RF-ID frequency bands such as 135 kHz, 13.56 MHz, 433 MHz, 860 to 960 MHz, and 2.45 GHz. When the WiFi module 210 or the Bluetooth module 220 is used, various connection information such as an SSID and a session key may be transmitted and received first, and communication information may be used to transmit and receive various information.

The control unit 140 controls the overall operation of the display device 100 using various programs stored in the storage unit 190. In particular, when a user command for turning on the power of the display device 100 is input through the input unit 130, the control unit 140 resumes the configuration of the display device 100, 100, the interface unit 120 can be controlled so as to sequentially resume the at least one external device.

Specifically, the control unit 140 can resume the external device by supplying power to the USB for connecting the external devices in a predetermined order. Alternatively, the control unit 140 applies a reset signal of a row value to the USB for connecting the external device while resuming the configuration of the display device 100, resets the configuration of the display device 100, It is possible to apply a high reset signal to the USB for connecting the devices in a predetermined order.

That is, the control unit 140 controls the power supply to the USB port or the USB hub for connecting the external device and the display device 100, and controls the resume of the external device connected to the USB.

Alternatively, the control unit 140 may apply a reset signal of a row value to the USB while resuming the configuration of the display device 100 to control the external device connected to the USB device to not be reset. After the other configuration of the display device 100 is reset, the control unit 140 applies a high reset signal to the USB in a predetermined sequence to control the external devices connected to the USB device to be sequentially reset have.

2, the control unit 140 includes a RAM 141, a ROM 142, a graphics processing unit 143, a main CPU 144, first to n interfaces 145-1 to 145-n ), And a bus 146. At this time, the RAM 141, the ROM 142, the graphics processor 143, the main CPU 144, the first to n interfaces 145-1 to 145-n, etc. may be connected to each other via the bus 146 .

The ROM 142 stores a command set for booting the system and the like. When the turn-on command is input and power is supplied, the main CPU 144 copies the O / S stored in the storage unit 190 to the RAM 141 according to the instruction stored in the ROM 142, To boot the system. When the booting is completed, the main CPU 144 copies various application programs stored in the storage unit 190 to the RAM 141, executes the application programs copied to the RAM 141, and performs various operations.

The graphic processing unit 143 generates a screen including various objects such as an icon, an image, and a text using an operation unit (not shown) and a rendering unit (not shown). The operation unit calculates an attribute value such as a coordinate value, a shape, a size, and a color to be displayed for each object according to the layout of the screen using the control command received from the input unit 130. The rendering unit generates screens of various layouts including the objects based on the attribute values calculated by the operation unit. The screen generated by the rendering unit is displayed in the display area of the display unit 110. In particular, the graphics processor 143 may generate an external device list and a content list by a user command.

The main CPU 144 accesses the storage unit 190 and performs booting using the O / S stored in the storage unit 190. [ The main CPU 144 performs various operations using various programs stored in the storage unit 190, contents, data, and the like.

The first to n interfaces 145-1 to 145-n are connected to the various components described above. One of the interfaces may be a network interface connected to an external device via a network.

With the display device 100 as described above, the user can resume the at least one external device connected using the USB after the display unit is reset, and quickly turn on the display unit.

FIG. 3 is a view showing a flow of resume time of the display device according to the conventional method.

When a user command for turning on the display device 100 at t 0 is input, the display device 100 resumes the kernel. The kernel may be an operating system (OS) for driving the display device 100. Therefore, it takes time t 1 to resume OS operating system. When the resume of the OS operating system is completed, the display device 100 resets the kernel drive. The kernel drive may be a device included in the display device 100, such as an audio output, a panel such as the display 110, or a tuner. Therefore, it takes t 2 time to resume the kernel drive.

In addition, since the display device 100 is relatively large in size as compared to a small electronic device such as a cellular phone, it can be connected to an external device using a USB. That is, an external device such as a Wi-Fi module, a Bluetooth module, or a camera module and the control unit 140 of the display device 100 can be connected using a USB. Thus, the display device 100 recovers at least one external device connected using the USB while resending the kernel drive. That is, the time t 3 required for resuming the external device connected to the USB1 port, the time t 4 is required to resume the external device connected to the USB2 port, and t 5 to resume the external device connected to the USB3 ports Of time. Therefore, even if the kernel drive has been reset, the external device connected to the USB device may not be completely reset. That is, the resume of the display device 100 is completed (t R1 ) after the resume of the entire external device connected to the USB port is completed, and the operation of the application starts (t A1 ).

That is, after the time (t R1 ) required for completing the resumption of the external device connected by using the USB at the time point t 0 when the user command for turning on the display device 100 is input, 110 to be turned on.

Therefore, in order to quickly turn on the display unit 110, the present invention configures the order of resets of an external device connected using a kernel, a kernel drive, and USB to be different from the conventional invention. Specifically, the flow of the resume time of the display device is as shown in FIG.

As shown in FIG. 4, when a user command for turning on the display device 100 at t0 is input, the display device 100 resumes the kernel. The kernel may be an operating system (OS) for driving the display device 100. Therefore, it takes t 6 time to resume OS operating system. Then, the display device 100 resumes the kernel drive when the OS operating system is completely resolved. The kernel drive may be a device included in the display device 100, such as an audio output, a panel such as the display 110, or a tuner. Therefore, the time t 7 is required to resume the kernel driver.

The display device 100 can control not to start resuming the connected external device using the USB until the resume of all the configurations of the kernel drive is completed. That is, after the time t 7 for resetting the kernel drive is completed, the control unit 140 can resume the connected external devices in a predetermined order by using the USB when the reset of the display unit 110 is completed. A specific method for controlling the resumption of resumption of the external apparatus will be described later.

Specifically, the control unit 140 after the display unit 110 is turned on, resuming the external device connected to the USB1 port during the time t 8, and, and resuming the external device connected to the USB2 port during the time t 9, the USB3 ports The connected external device can be reset for t 10 hours.

Accordingly, while performing the resume of the external device, the control unit 140 can control the display unit 110 such that the operation of the application starts (t A2 ). Accordingly, the user can watch the content displayed by the display device 100 while performing the resume of the external device.

Hereinafter, a method of controlling the resume point of the external apparatus by the controller 140 will be described in detail with reference to FIGS. 5 to 8. FIG.

5 is a flowchart for explaining a method of controlling the resume time of an external device using a reset signal.

First, the display apparatus 100 determines whether a user command for turning on the display apparatus 100 is input (S500). The user command may be input through the input unit 130. [

If it is determined that a user command for turning on the display device 100 is input (S500-Y), the display device 100 keeps the USB reset signal for connecting the external device to 0 . Then, the display device 100 resumes the kernel (S520) and resumes the kernel drive (S530). The kernel may be an operating system (OS) for driving the display device 100. The kernel drive may be a device included in the display device 100, such as an audio output, a panel such as the display 110, or a tuner. The display device 100 can maintain the reset signal of the USB for connecting the external device to 0 while resuming the kernel and the kernel drive so as to prevent the external device from being reset.

When the resume of the kernel drive is completed, the display unit 110 is turned on. After the display unit 110 is turned on, the display device 100 changes the reset signal of at least one USB connected to the external device to one. That is, when there are three USB ports and an external device is connected through each USB port, the display device 100 changes the reset signal of USB1 for connecting the external device 1 to 1 (S540). Therefore, the display device 100 can resume the external device connected via USB1. Then, the display device 100 changes the reset signal of the USB2 for connecting the external device 2 to 1 (S550). Therefore, the display device 100 can resume the external device connected via USB2. Then, the display device 100 changes the reset signal of the USB 3 for connecting the external device 3 to 1 (S560). Therefore, the display device 100 can resume the external device connected via USB3.

The order of changing the USB reset signal for connecting the external device to 1 may be different according to the connection order of the external device or the initial setting of the display device 100. [ That is, the order of resuming the external device according to the frequency of use and the order of use of the external device of the display device 100 may be stored as an initial setting. Alternatively, the user may set the order in which the user resets the external device in the required order. However, this is merely an embodiment, and a plurality of external apparatuses may be simultaneously reselected.

6, the WiFi module 620 is connected to the display device system 600 through the USB1 610 and the Bluetooth module 640 is connected to the display device system 600 via the USB2 630. [ And the camera module 660 can be connected to the display device system 600 via the USB3 650. [ At this time, the display device 100 can sequentially change the reset signal of the USB connected to the external device from 1 to 1. Accordingly, the display device 100 can resume the Wi-Fi module 620 for the first time, the Bluetooth module 640 for the second time, and the camera module 660 for the third time.

Meanwhile, FIG. 7 is a flowchart illustrating a method of controlling a resume time of an external device by controlling a power application time point.

First, the display apparatus 100 determines whether a user command for turning on the display apparatus 100 is input (S700). The user command may be input through the input unit 130. [

If it is determined that a user command for turning on the display device 100 is input (S700-Y), the display device 100 keeps the USB power for connecting the external device off . Then, the display apparatus 100 resumes the kernel (S720) and resumes the kernel drive (S730). The kernel may be an operating system (OS) for driving the display device 100. The kernel drive may be a device included in the display device 100, such as an audio output, a panel such as the display 110, or a tuner. The display device 100 can control the external device not to be rewritten by not applying power to the external device connected via USB while reseting the kernel and the kernel drive.

When the resume of the kernel drive is completed, the display unit 110 is turned on. After the display unit 110 is turned on, the display device 100 applies power to the USB for connecting at least one external device. That is, when there are three USB ports and an external device is connected through each USB port, the display device 100 applies power to the USB1 for connecting the external device 1 (S740). Therefore, the display device 100 can resume the external device connected via USB1. Then, the display device 100 applies power to the USB2 for connecting the external device 2 (S750). Therefore, the display device 100 can resume the external device connected via USB2. Then, the display device 100 applies power to the USB 3 for connecting the external device 3 (S760). Therefore, the display device 100 can resume the external device connected via USB3.

The order of power supply to the USB connected to the external device may differ depending on the connection order of the external device or the initial setting of the display device 100. [ That is, the order of resuming the external device according to the frequency of use and the order of use of the external device of the display device 100 may be stored as an initial setting. Alternatively, the user may set the order in which the user resets the external device in the required order. However, this is merely an embodiment, and a plurality of external apparatuses may be simultaneously reselected.

For example, as shown in FIG. 8, the WiFi module 620 is connected to the display device system 600 via the USB1 610, and the Bluetooth module 640 is connected to the display device system 600 through the USB2 630 And the camera module 660 can be connected to the display device system 600 via the USB3 650. [ At this time, the display device 100 can sequentially supply power to the USB connected to the external device starting from USB1. Accordingly, the display device 100 can resume the Wi-Fi module 620 for the first time, the Bluetooth module 640 for the second time, and the camera module 660 for the third time.

9 is a flowchart illustrating a method of controlling a display apparatus according to an embodiment of the present invention.

First, the display apparatus 100 determines whether a user command for turning on the power of the display apparatus 100 is input (S900). If it is determined that a user command to turn on the power of the display device 100 is input (S900-Y), the display device 100 resets the configuration of the display device (S910). The configuration of the display device 100 may include a kernel of the display device and a kernel drive.

The kernel may be an operating system (OS) for driving the display device 100. The kernel drive may be a device included in the display device 100, such as an audio output, a panel such as the display 110, or a tuner.

After resuming the configuration of the display device, at least one external device connected through the interface unit is sequentially reset (S920). The external device may include at least one of a WiFi module 210, a Bluetooth module 220, or a camera module 230. However, the external device may be different according to the function or the type of the display device 100, and the like.

Specifically, the display device 100 can resume the external device by supplying power to the USB for connecting the external device in a predetermined order. Alternatively, the display device 100 applies a row reset signal to the USB for connecting the external device while resuming the configuration of the display device 100, resets the configuration of the display device 100, A reset signal of a high value can be applied to the USB for connecting the external device in a predetermined order.

As described above, according to the various embodiments of the present invention, when the user inputs a user command for turning on the display device, the user can quickly turn on the display unit by the display device that controls the resume point of the external device connected using the USB have.

A method of controlling a display device according to various embodiments described above may be software-coded and stored in a non-transitory readable medium. Such non-transiently readable media can be used in various devices.

A non-transitory readable medium is a medium that stores data for a short period of time, such as a register, cache, memory, etc., but semi-permanently stores data and is readable by the apparatus. Specifically, it may be a CD, a DVD, a hard disk, a Blu-ray disk, a USB, a memory card, a ROM, or the like.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention.

100: display device 110: display part
120: interface unit 130: input unit
140: control unit 150: image receiving unit
160: image processor 170: audio processor
180: Audio output unit 190:
200: communication unit 210: Wifi module
220: Bluetooth module 230: camera module

Claims (12)

In a display device supporting a standby mode,
A storage unit;
A display unit for displaying an image;
A USB interface unit for connecting at least one communication module;
An input unit for receiving a user command; And
And a control unit,
When the user command for turning on the power of the display device is input through the input unit, the control unit controls the kernel and the kernel drive of the display device when the display device is turned off from the storage unit And resumes the kernel and the kernel drive of the display device by reading data for resuming. When the resume of the kernel and the kernel drive of the display device is completed, the display device is turned on, And controls the USB interface unit such that the at least one communication module is sequentially rewritten. The method according to claim 1,
The communication module includes:
A WiFi module or a Bluetooth module. delete delete The method according to claim 1,
Wherein,
And resumes the communication module by supplying power to the USB interface unit for connecting the communication module in a predetermined order. The method according to claim 1,
Wherein,
A reset value of a row value is applied to the USB interface unit for connecting the communication module while reseting the kernel and the kernel drive of the display device, and resets the kernel and the kernel drive of the display device, And applies a reset signal having a high value to the USB interface unit for connecting the communication module in a predetermined order. A method of controlling a display device,
When receiving a user command for turning on a power of a display device, reads data for resuming the kernel and the kernel drive of the display device when the display device turns off the power, Resizing the drive; And
Turning on the display unit and resuming at least one communication module connected through the USB interface unit when the kernel and the kernel drive of the display device are completely rebooted. 8. The method of claim 7,
The communication module includes:
A Wifi module or a Bluetooth module. delete delete 8. The method of claim 7,
The step of sequentially resuming the at least one communication module comprises:
And the communication module is reset by supplying power to the USB interface unit for connecting the communication module in a predetermined order. 8. The method of claim 7,
The step of sequentially resuming the at least one communication module comprises:
A reset value of a row value is applied to the USB interface unit for connecting the communication module while reseting the kernel and the kernel drive of the display device, and resets the kernel and the kernel drive of the display device, And a reset signal of a high value is applied to the USB interface unit for connecting the communication module in a predetermined order.
KR1020140120394A 2014-01-06 2014-09-11 Display apparatus and control method thereof KR101917662B1 (en)

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EP14198684.4A EP2891945A1 (en) 2014-01-06 2014-12-17 Display device and method for controlling the same
US14/589,530 US10198980B2 (en) 2014-01-06 2015-01-05 Display device and method for controlling the same
CN201510004782.0A CN104765585B (en) 2014-01-06 2015-01-06 Display device and its control method

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