KR20150049243A - Video display device using finger scan and control method thereof - Google Patents

Abstract

The present invention relates to a method for controlling a video display device through a user authentication. During a user authentication through fingerprint authentication, an automatic login is performed, and customized information (a favored channel, an application store, and a multimedia screen) related to contents (a broadcasting program and application dashboard multimedia) displayed on a current video display device is provided, thereby enabling a user to conveniently use desired contents (a favored channel, an application store, and multimedia).

Description

TECHNICAL FIELD [0001] The present invention relates to a video display device using fingerprint recognition,

The present invention relates to an image display device, and more particularly, to an image display device and a control method thereof that can automatically log in to a content displayed on a current image display device and provide customized information related to the content.

The video display device includes both a device for recording and reproducing a moving image and a device for recording and reproducing audio. The video recording and reproducing apparatus includes a TV, a computer monitor, a projector, and the like as a video display device.

As the function of the image display device is diversified, the image display device has a function of reproducing a music or a video file, a multimedia player having multiple functions such as photographing, video shooting, game, . Further, in order to support and enhance the function of the image display device, it may be considered to improve the structural part and the software part of the image display device.

Generally, biometric information such as fingerprint, iris, heart rate, and blood vessel are different from person to person. Therefore, the authentication using the biometric information can not be used by theft or duplication of another person like a key or a password, and there is no danger of being changed or lost, so that the authentication is excellent in the security field. In particular, bio-information can be traced to the user, which is advantageous in that it is possible to construct a secure system in terms of management.

Finger scan is one of the most popular biometrics currently available. The fingerprints made from the dermis, which is the subcutaneous layer of the skin, have been used for a long time as a way of recognizing individual since the dermis part is not damaged for a long time.

However, authentication using fingerprint recognition is currently applied only to specific fields such as door lock and log-in, and is not applied to the field of broadcasting, particularly to control of image display devices.

It is an object of the present invention to provide an image display device and a control method thereof that can automatically log in to content displayed on a current screen and provide customized information related to content when a user authenticates.

Another object of the present invention is to provide an image display device and a control method thereof that can control display and switching of customized information based on fingerprint recognition by a plurality of users.

According to an aspect of the present invention, there is provided an image display apparatus including an interface for receiving an authentication signal; A display unit for displaying predetermined contents; And a control unit for controlling the display unit to display customized information related to the content currently displayed on the screen based on the user authentication signal received through the interface unit.

And the authentication signal is a biological signal including a fingerprint signal.

The control unit provides different customized information according to the type of content displayed on the screen. The content includes a broadcast program, an application dashboard, and a multimedia dashboard. The customized information includes a favorite channel, an app store, do.

When the authentication signals of a plurality of users are received within a predetermined time, the control unit mixes and displays customized information of each authenticated user.

The control unit displays the customized information of each user in order or all the customized information, and the common parts are separately displayed.

If the authentication signal of a plurality of users is received within a predetermined time, the first user logs out and then logs in as a second user through fingerprint recognition to provide customized information.

In one embodiment, the image display device further includes an external input device having a fingerprint scanner to scan a user's fingerprint and transmit a fingerprint signal.

In one embodiment, the image display apparatus further includes a camera for photographing a subject. When the user detects another user by the camera while viewing the predetermined channel, the controller temporarily suspends the broadcasting of the corresponding channel until the user disappears Switch to another channel.

According to an aspect of the present invention, there is provided a method of controlling an image display device, the method comprising: displaying predetermined content; Receiving an authentication signal from an external device; And displaying customized information related to the content being displayed on the current screen based on the received user authentication signal.

And the authentication signal is a biological signal including a fingerprint signal.

The step of displaying the customization information may include: checking a type of content displayed on the screen; And providing different customized information according to a content type, wherein the content includes a broadcast program, an application dashboard, and a multimedia dashboard, and the customized information includes a preferred channel, an app store, and a multimedia screen .

Wherein the step of displaying the customization information comprises: displaying customization information of the user when a plurality of users' authentication signals are received within a predetermined time; And when the authentication signals of a plurality of users are received within a predetermined time, the customized information of each authenticated user is mixed and displayed.

When the customization information is mixed and displayed, the customization information of each user is displayed in order or the common portion among all the customization information is displayed separately.

The image display device and the control method thereof according to an embodiment of the present invention automatically log in to the content displayed on the current image display device when the fingerprint is input and provide customized information related to the content, Contents (broadcast programs, app stores, multimedia) can be used.

1 is a block diagram for explaining a video display device and an external input device according to the present invention;
2 is a detailed block diagram of the external input device of FIG.
3 is a block diagram for explaining a mutual operation of an image display apparatus and an external input apparatus according to the present invention.
4 is an example of scanning a user's fingerprint through an external input device.
FIG. 5 is a flowchart showing a first embodiment of a method of controlling an image display device through fingerprint recognition according to the present invention.
6A and 6B illustrate an example of displaying a favorite channel or a recorded program by recognizing a fingerprint of a user in FIG. 5,
FIG. 7 is a flowchart showing a second embodiment of a method of controlling an image display device through fingerprint recognition according to the present invention. FIG.
8A and 8B illustrate an example in which fingerprints of a plurality of users are recognized and a preferred channel is mixed and displayed.
9 is a view showing an example of changing a channel login using fingerprint recognition;

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings so that those skilled in the art can easily carry out the technical idea of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly explain the present invention, parts not related to the description are omitted, and like parts are denoted by similar reference numerals throughout the specification.

In this specification, an image display device includes both a device for receiving and displaying a broadcast, a device for recording and reproducing a moving image, and a device for recording and reproducing audio. Hereinafter, as an example of this, a television will be described as an example.

FIG. 1 is a block diagram showing an image display device 100 and an external input device 200 according to the present invention. The video display device 100 includes a tuner 110, a demodulator 120, a signal input / output unit 130, an interface unit 140, a control unit 150, a storage unit 160, a display unit 170, And an output unit 180. However, the external input device 200 may be a separate device from the image display device 100, or may be included as a component of the image display device 100.

1, a tuner 110 selects an RF broadcast signal corresponding to a channel selected by a user from among RF (Radio Frequency) broadcast signals received through an antenna, converts the RF broadcast signal into an intermediate frequency signal or a baseband image / Convert to voice signal. For example, if the RF broadcast signal is a digital broadcast signal, the tuner 110 converts the RF broadcast signal into a digital IF signal (DIF). On the other hand, if the RF broadcast signal is an analog broadcast signal, the tuner 110 converts the RF broadcast signal into an analog baseband video / audio signal (CVBS / SIF). As described above, the tuner 110 may be a hybrid tuner capable of processing a digital broadcasting signal and an analog broadcasting signal.

The digital IF signal DIF output from the tuner 110 is input to the demodulator 120 and the analog baseband video / audio signal CVBS / SIF output from the tuner 110 is input to the controller 160 . The tuner 120 can receive an RF broadcast signal of a single carrier according to an Advanced Television Systems Committee (ATSC) scheme or an RF broadcast signal of a plurality of carriers according to a DVB (Digital Video Broadcasting) scheme.

Although one tuner 110 is shown in the drawing, the present invention is not limited thereto. The video display device 100 may include a plurality of tuners, for example, first and second tuners. In this case, the first tuner may receive the first RF broadcast signal corresponding to the broadcast channel selected by the user, and the second tuner may sequentially or periodically receive the second RF broadcast signal corresponding to the previously stored broadcast channel . The second tuner can convert the RF broadcast signal into a digital IF signal (DIF) or an analog baseband video / audio signal (CVBS / SIF) in the same manner as the first tuner.

The demodulator 120 receives the digital IF signal DIF converted by the tuner 110 and performs a demodulation operation. For example, if the digital IF signal DIF output from the tuner 110 is of the ATSC scheme, the demodulator 120 performs an 8-VSB (8-Vestigal Side Band) demodulation. At this time, the demodulator 120 may perform channel decoding such as trellis decoding, de-interleaving, and Reed-Solomon decoding. For this, the demodulator 120 may include a trellis decoder, a de-interleaver, and a Reed Solomon decoder.

For example, if the digital IF signal DIF output from the tuner 110 is of the DVB scheme, the demodulator 120 performs COFDMA (Coded Orthogonal Frequency Division Modulation) demodulation. At this time, the demodulator 120 may perform channel decoding such as convolutional decoding, deinterleaving, and Reed-Solomon decoding. For this, the demodulator 120 may include a convolution decoder, a deinterleaver, and a Reed-Solomon decoder.

The signal input / output unit 130 may include an A / V input / output unit (not shown) and a wireless communication unit (not shown) connected to an external device to perform signal input and output operations.

The A / V I / O section is composed of an Ethernet terminal, a USB terminal, a CVBS (Composite Video Banking Sync) terminal, a component terminal, an S- video terminal (analog), a DVI (digital visual interface) terminal, , A Mobile High-definition Link (MHL) terminal, an RGB terminal, a D-SUB terminal, an IEEE 1394 terminal, a SPDIF terminal, and a liquid HD terminal. The digital signal input through these terminals may be transmitted to the control unit 150. At this time, the analog signal inputted through the CVBS terminal and the S-video terminal may be converted into a digital signal through an analog-digital converter (not shown) and transmitted to the controller 150.

The wireless communication unit can perform a wireless Internet connection. For example, the wireless communication unit performs wireless Internet access using a WLAN (Wi-Fi), a Wibro (wireless broadband), a Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access) can do. In addition, the wireless communication unit can perform short-range wireless communication with other electronic devices. For example, the wireless communication unit can perform near field wireless communication using Bluetooth, Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), ZigBee have.

The signal input / output unit 130 may be a video input / output unit for inputting video signals and audio signals provided from external devices such as a digital versatile disk (DVD) player, a Blu-ray player, a game device, a camcorder, Signals and data signals to the controller 150. [ The controller 150 can also transmit video signals, audio signals, and data signals of various media files stored in an external storage device such as a memory device, a hard disk, and the like. In addition, the video signal, audio signal, and data signal processed by the control unit 150 can be output to other external apparatuses.

The signal input / output unit 130 may be connected to a set top box, for example, a set top box for IPTV (Internet Protocol TV) through at least one of the various terminals described above to perform signal input and output operations. For example, the signal input / output unit 130 can transmit a video signal, an audio signal, and a data signal processed by the settop box for IPTV to the controller 150 so as to enable bidirectional communication, Signals to IPTV set-top boxes. Here, the IPTV may include ADSL-TV, VDSL-TV, FTTH-TV, etc. classified according to the transmission network.

The digital signal output from the demodulation unit 120 and the signal output unit 130 may include a stream signal TS. The stream signal TS may be a signal in which a video signal, an audio signal, and a data signal are multiplexed. For example, the stream signal TS may be an MPEG-2 TS (Transprt Stream) multiplexed with an MPEG-2 standard video signal, a Dolby AC-3 standard audio signal, or the like. Here, the MPEG-2 TS may include a header of 4 bytes and a payload of 184 bytes.

The interface unit 140 may receive an input signal for power control, channel selection, screen setting, etc. from the external input device 200, or may transmit the signal processed by the control unit 160 to the external input device 200 . The interface unit 140 and the external input device 200 may be connected by wire or wirelessly.

As an example of the interface unit 140, a sensor unit may be provided, and the sensor unit is configured to sense the input signal from a remote controller, for example, a remote controller.

The network interface unit (not shown) provides an interface for connecting the video display device 100 to a wired / wireless network including the Internet network. The network interface unit 230 may include an Ethernet terminal or the like for connection with a wired network and may be a WLAN (Wireless LAN) (Wi-Fi), a Wibro (Wireless) broadband), Wimax (World Interoperability for Microwave Access), and HSDPA (High Speed Downlink Packet Access) communication standards.

A network interface unit (not shown) can access a predetermined web page via a network. That is, it is possible to access a predetermined web page through a network and transmit or receive data with the server. In addition, content or data provided by a content provider or a network operator can be received. That is, it can receive contents such as a movie, an advertisement, a game, a VOD, a broadcast signal, and related information provided from a content provider or a network provider through a network. In addition, the update information and the update file of the firmware provided by the network operator can be received. It may also transmit data to the Internet or a content provider or network operator.

Also, the network interface unit (not shown) can select and receive a desired application among the applications open to the public via the network.

The control unit 150 may control the overall operation of the image display device 100. [ More specifically, the control unit 150 is configured to control generation and output of an image. For example, the controller 150 may control the tuner 110 to tuning an RF broadcast signal corresponding to a channel selected by the user or a previously stored channel. Although not shown in the figure, the controller 150 may include a demultiplexer, an image processor, a voice processor, a data processor, an OSD (On Screen Display) generator, and the like. In addition, the control unit 150 may include a CPU, a peripheral device, and the like in hardware.

The control unit 150 may demultiplex the stream signal TS, for example, the MPEG-2 TS into a video signal, a voice signal, and a data signal.

The control unit 150 may perform image processing, e.g., decoding, on the demultiplexed video signal. In more detail, the control unit 150 decodes an MPEG-2 standard-encoded video signal using an MPEG-2 decoder, and encodes the video signal in accordance with a DMB (Digital Multimedia Broadcasting) scheme or an H It is possible to decode the encoded video signal of the .264 standard. In addition, the controller 150 may perform image processing such that the brightness, tint, and color of the image signal are adjusted. The image signal processed by the control unit 150 may be transmitted to the display unit 170 or may be transmitted to an external output device (not shown) through an external output terminal.

The control unit 150 may perform speech processing, e.g., decoding, on the demultiplexed speech signal. More specifically, the control unit 150 decodes an MPEG-2 standard-encoded audio signal using an MPEG-2 decoder, and uses an MPEG 4 decoder to decode an MPEG 4 bit sliced arithmetic coding Decodes the encoded voice signal, and decodes the encoded voice signal of the AAC (Advanced Audio Codec) standard of MPEG 2 according to the satellite DMB scheme or DVB-H using the AAC decoder. In addition, the controller 150 may process a base, a treble, a volume control, and the like. The voice signal processed in the control unit 150 may be transmitted to the audio output unit 180, for example, a speaker, or may be transmitted to an external output device.

The control unit 150 may perform signal processing on the analog baseband video / audio signal (CVBS / SIF). Here, the analog baseband video / audio signal CVBS / SIF input to the controller 150 may be an analog baseband video / audio signal output from the tuner 110 or the signal input / output unit 130. The signal-processed video signal is displayed through the display unit 170, and the signal-processed audio signal is output through the audio output unit 180.

The control unit 150 may perform data processing, for example, decoding, on the demultiplexed data signal. Here, the data signal may include electronic program guide (EPG) information including broadcast information such as a start time and an end time of a broadcast program broadcasted on each channel. The EPG information includes, for example, TSC-PSIP (ATSC-Program and System Information Protocol) information in the ATSC scheme and DVB-SI information (DVB-SI information) in the DVB scheme. The ATSC-PSIP information or the DVB-SI information may be included in the header (4 bytes) of the MPEG-2 TS.

The controller 150 may perform a control operation for the OSD process. In more detail, the control unit 150 may include at least one of a video signal and a data signal, or an OSD for displaying various information in graphic or text form based on an input signal received from the external input device 200. [ Signal can be generated. The OSD signal may include various data such as a user interface screen of the image display device 100, a menu screen, a widget, and an icon.

The storage unit 160 may store a program for signal processing and control of the controller 150 or may store a video signal, a voice signal, and a data signal. The storage unit 160 may be a flash memory, a hard disk, a multimedia card micro type, a card type memory (for example, SD or XD memory), a random access (RAM), static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM) Or at least one storage medium.

The display unit 170 may convert a video signal, a data signal, an OSD signal, etc. processed by the controller 150 into an RGB signal to generate a driving signal. Thus, the display unit 170 outputs an image. The display unit 170 may be a plasma display panel (PDP), a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT-LCD), an organic light emitting diode A light emitting diode (OLED), a flexible display, a three-dimensional display (3D display), and an electronic ink display (e-ink display). The display 180 may also be implemented as a touch screen to perform the functions of an input device.

The audio output unit 180 outputs the audio signal processed by the control unit 150, for example, a stereo signal or a 5.1-channel signal. The audio output unit 180 may be implemented by various types of speakers.

On the other hand, the image display device 100 may further include a photographing unit (not shown) for photographing a subject. The photographing unit (not shown) may be implemented by a single camera, but the present invention is not limited thereto, and may be implemented by a plurality of cameras. The image information photographed by the photographing unit (not shown) is input to the control unit 270. [

In order to detect the user's gesture, a sensing unit (not shown) having at least one of a touch sensor, a voice sensor, a position sensor, and an operation sensor may be further included in the image display device 100 have. The signal sensed by the sensing unit (not shown) may be transmitted to the controller 150 through the user input interface unit 140.

The control unit 150 may detect the gesture of the user by combining the images photographed by the photographing unit (not shown) or sensed signals from the sensing unit (not shown).

The power supply unit (not shown) supplies power to the entire video display device 100. Particularly, it is possible to supply power to a control unit 150 that can be implemented in the form of a system on chip (SOC), a display unit 170 for displaying an image, and an audio output unit 180 for audio output .

To this end, the power supply unit (not shown) may include a converter (not shown) for converting AC power to DC power. Meanwhile, for example, when the display unit 170 is implemented as a liquid crystal panel having a plurality of backlight lamps, an inverter (not shown) that can perform PWM operation for variable luminance or dimming driving is further provided It is possible.

The external input device 200 is wirelessly connected to the interface unit 140 and transmits an input signal generated according to a user input to the interface unit 140. The external input device 200 may include a remote controller, a mouse, a keyboard, and the like. The remote controller can transmit an input signal to the interface unit 140 through Bluetooth, RF communication, infrared communication, UWB (Ultra Wideband), ZigBee, or the like. The remote controller can be implemented as a space remote controller. The spatial remote control device can detect an operation of the main body in a space and generate an input signal.

The video display device 100 receives at least one of digital broadcasting of the ATSC system (8-VSB system), digital broadcasting of the DVB-T system (COFDM system), digital broadcasting of the ISDB-T system (BST- And can be implemented as a fixed digital broadcasting receiver as much as possible. In addition, the video display device 100 may be a terrestrial DMB type digital broadcasting, a satellite DMB type digital broadcasting, an ATSC-M / H type digital broadcasting, a DVB-H type (COFDM type) digital broadcasting, Link Only) type digital broadcasting, or the like. Also, the video display device 100 may be implemented as a digital broadcast receiver for cable, satellite communication, and IPTV.

2 is a block diagram showing the external input device 200 of FIG. 1 in detail. The external input device 200 includes a wireless communication unit 210, a user input unit 220, a sensing unit 230, an output unit 240, a power supply unit 250, a storage unit 260, and a control unit 270 .

Referring to FIG. 2, the wireless communication unit 210 transmits a signal to the image display device 100 or receives a signal from the image display device 100. For this, the wireless communication unit 210 may include an RF module 211 and an IR module 212. The RF module 211 is connected to the interface unit 140 of the video display device 100 according to the RF communication standard to transmit and receive a signal and the IR module 212 is connected to the interface (140).

The user input unit 220 may include a key pad, a key button, a scroll key, and a jog key as input means. The user can input a command related to the image display device 100 by operating the user input unit 220. [ Such an instruction may be input, for example, by a push operation of the hard key button of the user input unit 200 by the user.

The sensing unit 230 may include a gyro sensor 231 and an acceleration sensor 232. The gyro sensor 231 can sense the spatial movement of the external input device 200 on the basis of the x-axis, the y-axis, and the z-axis. The acceleration sensor 232 can sense the moving speed of the external input device 200 or the like.

The output unit 240 outputs information corresponding to the operation of the user input unit 230 and information corresponding to the transmission signal of the video display device 100. Accordingly, the user can recognize the operation state of the user input unit 230 or the control state of the image display device 100 through the output unit 230. [ For example, the output unit 240 may include an LED module 241 that is turned on, a vibration module 242 that generates vibration, a vibration module that generates vibration, An audio output module 243 for outputting sound and a display module 244 for outputting an image.

The power supply unit 250 supplies power to various electronic devices of the external input device 200. When the external input device 200 is not moved for a predetermined period of time, the power supply unit 250 may stop power supply, thereby reducing power consumption. The power supply unit 250 may resume power supply when a predetermined key of the external input device 200 is operated.

The storage unit 260 may store various programs related to the control or operation of the external input device 200, a fingerprint recognition program, an application, frequency band information, and one or more user fingerprints. The control unit 270 performs an overall control operation of the external input device 200.

The present invention proposes various methods for automatically logging in the content displayed on the current image display device 100 and providing customized information related to the content when the fingerprint is input.

The content includes a broadcast program, an application dashboard, and a multimedia dashboard, and the customized information includes a preferred channel, an app store, and a multimedia screen. The customization information may be displayed as a pop-up or full screen.

The content login includes a channel login, a web login, and a multimedia login in which security is set as a password.

The fingerprint signal is a kind of authentication signal and may include other biometric information (heartbeat, iris). The customization information checks the type of content displayed on the screen, and provides different customized information according to the content type.

FIG. 3 is a conceptual diagram showing the mutual operation of the video display device 100 and the external input device 200 according to the present invention. Here, a television receiver is shown as an example of the video display device 100, and a remote controller is shown as an example of the external input device 200. [

Referring to FIG. 3, the external input device 200 is used as a remote controller in the present invention. The external input device 200 can recognize the user's fingerprint through the fingerprint scanner 50 provided at one side and transmit the control signal to the image display device 100 according to the RF (or IR) communication standard. A control menu may be displayed on the screen of the video display device 100 according to the control signal of the external input device 200. [ The control menu includes a broadcast program guide (e.g., EPG), a favorite channel (home dashboard) list, and a recorded program list. The control menu may be displayed separately or mixed. The external input device 200 may include a plurality of buttons to generate an external input signal according to a user's operation of the button.

In the present invention, the external input device 200 transmits a control signal (fingerprint signal) to the interface unit 140 of the image display device 100 without performing button operation during user authentication. It is God. Thus, the user can reduce the boot-up time.

In the video display device according to an embodiment of the present invention, when the user recognition is completed through the fingerprint recognition in the external input device, customization information (eg, preferred channel list ).

Hereinafter, a method of adjusting display information of a video display device through fingerprint recognition will be described in detail with reference to the accompanying drawings.

4 is an example of scanning a user's fingerprint through an external input device.

4, a fingerprint scanner 50 is provided on one side of the external input device 200. The fingerprint scanner 50 scans and displays a user's finger (thumb or index finger) And the control unit 27 matches the scanned fingerprint with at least one fingerprint (e.g., a family member) previously stored in the storage unit 26. [ If the scanned fingerprint matches the fingerprint of the specific user, the controller 180 transmits a fingerprint signal (login signal) to the image display device 100 through the IR module of the wireless communication unit 210. The fingerprint signal differs for each recognized user.

Accordingly, the transmitted fingerprint signal (login signal) is input to the control unit 150 of the image display device 100 through the interface unit 140 (external line receiving unit) And displays the favorite channel stored in the storage unit 160 on the display unit 170. At this time, the guide message can be outputted through the audio output unit 180 in relation to the preferred channel.

In the present invention, the controller 150 of the video display device 100 may internally include a channel list generator (not shown). The channel list generation unit determines whether or not there is a preferred channel, and controls the preferred channel list including the preferred channel item to be output when at least one preferred channel exists. In addition, the control unit 150 may control generation and output of the above-described preferred channel list without providing a separate channel list generating unit.

Here, the preferred channel may include a designated preferred channel registered and designated by the user as a preferred channel and an automatic preferred channel selected by the video display device 100 itself. For example, the video display device 100 can calculate the preferred channels on its own in consideration of the viewing history of the user (the cumulative viewing time for each channel, the number of times to select for each channel, the frequency of use for each channel considering the viewing day, etc.) have. Also, the video display device 100 can configure a preferred channel by using a service provider (SP) that provides terrestrial broadcast channels and cable broadcast channels, and a popularity channel rank provided by each broadcast station and the like . Also, the preferred channels may have a predetermined ranking. The preferred channels can be sorted in descending order of frequency of use by the user according to the setting of the user or the viewing history of the user.

FIG. 5 is a flowchart showing a first embodiment of a method for controlling an image display device through fingerprint recognition according to the present invention, and FIGS. 6A and 6B show an example of a preferred channel or a recorded program. The first embodiment of the present invention shows a method of controlling an output image of an image display device through fingerprint recognition of a user.

As shown in FIG. 5, the user constructs a preferred channel by referring to the broadcast program guide or while watching a specific program, and registers the favorite channel in the video display device (S100).

When the user turns on the video display device 100, a predetermined broadcast program is displayed on the screen. The fingerprint scanner 50 scans the fingerprint and outputs the fingerprint to the control unit 27. When the user touches the fingerprint scanner 50 provided in the external input device 200 with the control unit 27 Checks whether the same fingerprint exists in the storage unit 26 as a scanned fingerprint. If the same fingerprint exists as a result of the check, the controller 270 transmits the fingerprint signal (login signal) in the form of infrared rays to the image display device 100 through the IR module of the wireless communication unit 210.

When the user fingerprint signal (authentication signal) is received from the external input apparatus 100 at step S110, the controller 150 of the image display apparatus 100 searches the storage unit 160 to find a favorite channel previously registered by the user (S120). As a result of the check, if there is a favorite channel of the user, the controller 150 displays the favorite channel (dashboard) list 60 on the display unit 170 as shown in FIG. 6 (S130) The broadcast program guide is displayed (S140) or the currently displayed broadcast program is maintained.

In addition, the present invention may display not only the favorite channel (dashboard) list 60 but also the recorded program list 61 of the user when the fingerprint of a specific user is recognized, Can be registered in the menu of the video display device 100 in advance.

Accordingly, the user can select and watch a desired broadcast channel on the displayed favorite channel 60.

FIG. 7 is a flowchart showing a second embodiment of a method of controlling an image display device through fingerprint recognition according to the present invention. 8A and 8B show an example in which preferred channels are mixed. A second embodiment of the present invention shows a method of controlling an output image of an image display device when fingerprints of a plurality of users are recognized within a predetermined time.

Referring to FIG. 7, the controller 15 of the image display device 100 can receive fingerprint signals of a plurality of users from the external input device 100, as described above.

If the fingerprint of the first user is recognized, the controller 150 checks whether the fingerprint of the second user is recognized within a predetermined time (S200, S210). If the fingerprint of the second user is not recognized within a predetermined time, operation after step S120 of FIG. 5 is performed. If the fingerprint of the second user is recognized, it is checked whether there is a preferred channel (S230). The preferred channel includes both a designated preferred channel set by the user and an automatic preferred channel selected by the control unit 150 itself.

If the preferred channel does not exist, the control unit 150 proceeds to step 140 of FIG. 5 and checks if the common preferred channel function is on if the preferred channel exists (S240). If the common preferred channel function is set in advance by the user, the control unit 150 updates the preferred channel list by mixing the preferred channels of the first and second users, and displays the updated preferred channel list (S250).

That is, as shown in FIG. 8A, the controller 150 divides and displays the favorite channels of the first and second users in the favorite channel list 60 (A or B) A common favorite channel C may be separately displayed while showing all the favorite channels of the first and second users.

In another embodiment, the controller 150 may classify the preferred channels into certain criteria (e.g., genre) to extract common denominators, and then provide corresponding common preferred channels.

On the other hand, when two fingerprint signals are received from two different external input devices without being inputted from one external input device 100, the controller 150 separately recognizes the fingerprint signals received from the two external input devices 100 So that the preferred channel can be switched.

In another embodiment, the present invention is not limited to the preferred channel, and if the fingerprint signals of two users are generated within a predetermined time, the recorded programs shown in FIG. 6B may be mixed and displayed in the above-described manner.

If it is determined in step S240 that the common preferred channel function is set to off, the control unit 150 displays a pop-up selection window on the screen of the video display device 100 to select a new login as the second user (S260).

9 is an example of changing the channel login using fingerprint recognition.

9, when the fingerprints of the first and second users are recognized within a predetermined time in a state where the common preferred channel function is set to off, the controller 180 displays a predetermined message in the pop-up window 70 For example, the message "If you recognize the fingerprint again, you will be logged in as user B" is displayed. At this time, the favorite channel of the first user is displayed on the screen of the video display device.

In response to the message, the user B selects the OK button in the pop-up window 70 and then scans the fingerprint through the fingerprint scanner of the external input window 100 again, and the fingerprint signal corresponding to the scanned fingerprint is displayed on the image display device 100).

Accordingly, the control unit 15 of the video display device 100 logs out the previous first user and then logs in as a newly recognized second user and displays the corresponding preferred channel 62 on the screen.

On the other hand, if the second user is a new user, the control unit 180 switches to the new registration screen without displaying the favorite channel.

In another embodiment, the method for controlling an image display device using fingerprint recognition according to the present invention may be interlocked with a camera provided at one side.

In an embodiment, when the camera function is not used, the control unit 150 may request to renew the authentication at a predetermined time, and automatically log out or switch to a lock state if the authentication is not updated. In addition, the user may request re-authentication only in the case of an authentication channel (adult channel).

In another embodiment, when the camera function is not used, the control unit 150 may suspend broadcasting of a specific channel based on the object detected through the camera. For example, if an authenticated viewer views an adult channel and another person enters the location, the controller 150 detects the presence of the adult channel through the camera and automatically switches to an unauthorized channel. At this time, the broadcasting program of the adult channel is applied to the time machine function. If another person disappears, the control unit 150 displays the adult channel again so that the user can watch the program of the corresponding channel.

In the present invention, for convenience of explanation, an example of providing a preferred channel related to a broadcast program displayed on a video display device during user authentication is described. However, the present invention is not limited to this, and if an app dashboard and a multimedia dashboard are displayed on a screen, Store, and multimedia screen can be similarly displayed through the above-described method.

As described above, according to the present invention, when a fingerprint is input, the user can automatically log in to the content displayed on the current image display device and provide customized information related to the content, thereby allowing the user to conveniently use desired content (broadcast program, app store, multimedia) do.

According to an embodiment of the present invention, the above-described method can be implemented as a computer-readable code on a medium on which a program is recorded. The computer readable medium includes all kinds of recording devices in which data that can be read by a computer system is stored. Examples of the computer-readable medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, and the like, and also implemented in the form of a carrier wave (for example, transmission over the Internet) . Further, the computer may include a control unit of the terminal.

The image display apparatus and its control method using the fingerprint recognition as described above are not limited to the configuration and the method of the embodiments described above, but the embodiments may be applied to all of the embodiments Or some of them may be selectively combined.

50: fingerprint scanner 60, 62: preferred channel
61: recording program 70: popup window
100: video display device 150:
160: storage unit 170: display unit
200: External input device

Claims (14)

An interface for receiving an authentication signal;
A display unit for displaying predetermined contents; And
And a control unit for controlling the display unit to display customized information related to the content currently displayed on the screen based on the user authentication signal received through the interface unit. 2. The method of claim 1,
Wherein the finger is a biological signal including a fingerprint signal. The apparatus of claim 1, wherein the control unit
Provide different customized information according to the type of content displayed on the screen,
Wherein the content includes a broadcast program, an application dashboard, and a multimedia dashboard, and the customized information includes a favorite channel, an app store, and a multimedia screen. The apparatus of claim 1, wherein the control unit
Wherein when the authentication signal of a plurality of users is received within a predetermined time, the customized information of each authenticated user is mixed and displayed. 5. The apparatus of claim 4, wherein the control unit
Wherein the customizing information of each user is displayed in order or the entire customizing information is displayed while the common parts are separately displayed. The apparatus of claim 1, wherein the control unit
Wherein when a plurality of users' authentication signals are received within a predetermined time, the first user logs out and then logs in as a second user again through fingerprint recognition to provide customized information. The video display device of claim 1, further comprising an external input device having a fingerprint scanner to scan a fingerprint of a user to transmit a fingerprint signal. The image pickup apparatus according to claim 1, further comprising a camera for photographing a subject,
Wherein the controller temporarily suspends the broadcast of the corresponding channel until the user disappears and switches to another channel when the user senses another user by the camera during the watching of the predetermined channel. Displaying predetermined contents;
Receiving an authentication signal from an external device; And
And displaying customized information related to the content currently displayed on the screen based on the received user authentication signal. 10. The method of claim 9,
And the fingerprint signal is a biological signal including a fingerprint signal. 10. The method of claim 9, wherein displaying the customization information comprises:
Checking the type of content displayed on the screen;
And providing different customized information according to a content type,
Wherein the content includes a broadcast program, an application dashboard, and a multimedia dashboard, and the customized information includes a preferred channel, an app store, and a multimedia screen. 10. The method of claim 9, wherein displaying the customization information comprises:
Displaying customized information of a user when an authentication signal of a plurality of users is received within a predetermined time; And
And mixing and displaying customized information of each authenticated user when a plurality of user authentication signals are received within a predetermined time period. 13. The method of claim 12, wherein when the customization information is mixed and displayed, the customization information of each user is displayed in order or the common portion among all the customization information is displayed separately. 13. The method according to claim 12, wherein, when a plurality of users' authentication signals are received within the predetermined time, the first user is logged out, and the second user is logged in again through fingerprint recognition to display customized information of the second user A method of controlling a video display device.

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