WO2021141171A1 - Dispositif d'affichage d'image et procédé de fonctionnement de celui-ci - Google Patents

Dispositif d'affichage d'image et procédé de fonctionnement de celui-ci Download PDF

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Publication number
WO2021141171A1
WO2021141171A1 PCT/KR2020/000537 KR2020000537W WO2021141171A1 WO 2021141171 A1 WO2021141171 A1 WO 2021141171A1 KR 2020000537 W KR2020000537 W KR 2020000537W WO 2021141171 A1 WO2021141171 A1 WO 2021141171A1
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WO
WIPO (PCT)
Prior art keywords
housing
opening
roller
determined
image display
Prior art date
Application number
PCT/KR2020/000537
Other languages
English (en)
Korean (ko)
Inventor
박정규
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to PCT/KR2020/000537 priority Critical patent/WO2021141171A1/fr
Publication of WO2021141171A1 publication Critical patent/WO2021141171A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements

Definitions

  • the present invention relates to a video display device and an operating method thereof.
  • An image display device is a device having a function of displaying an image that a user can watch.
  • LCD Liquid Crystal Display Device
  • PDP Plasma Display Panel
  • ELD Electro luminescent Display
  • VFD Vauum Fluorescent Display
  • an image display device using an organic light emitting diode has superior luminance and viewing angle characteristics compared to an image display device such as LCD, and does not require a backlight unit, so it can be implemented in an ultra-thin shape. There are advantages.
  • the flexible display panel including the organic light emitting diode (OLED) is formed on a substrate made of a material having flexibility such as polyimide, it can be bent or wound on a roller. , by using a flexible display panel, it is possible to implement an image display device that is wound or unfolded on a roller.
  • OLED organic light emitting diode
  • the flexible display moves through the opening of the housing.
  • foreign substances are introduced through the opening.
  • a body part such as a user's hand or hair
  • a serious safety accident may occur.
  • the present invention aims to solve the above and other problems.
  • Another object is to determine whether an object adjacent to the opening of the housing exists when controlling the operation of the roller, and when the object exists adjacent to the opening of the housing, an image display device capable of restricting the operation of the roller, and the To provide a method of operation.
  • an image display device includes a housing, a roller disposed inside the housing, a display panel wound or unwound on the roller, and exposed to the outside of the housing through an opening of the housing; at least one sensor and a control unit for controlling the operation of the roller so that the display panel is rolled up or rolled down, wherein the control unit includes at least one sensor when controlling the operation of the roller It is determined whether an object exists adjacent to the opening of the housing based on the sensed value of , and when it is determined that the object exists adjacent to the opening of the housing, the roller may be controlled not to operate.
  • the operating method of the image display device when controlling the operation of the roller so that the display panel roll-up (roll-up) or roll-down (roll-down), included in the image display device Based on the sensed value of at least one sensor, determining whether an object exists adjacent to the opening of the housing, and controlling the roller not to operate when it is determined that an object exists adjacent to the opening of the housing It can include actions.
  • the roller when controlling the operation of the roller, it is possible to prevent the occurrence of a safety accident by accurately determining whether an object adjacent to the opening of the housing exists using various sensors.
  • an external device such as a remote control to induce the user's interest toward the opening when controlling the operation of the roller, it is possible to more reliably prevent the occurrence of a safety accident.
  • FIG. 1 and 2 are diagrams illustrating an image display device having a rollable display according to an embodiment of the present invention.
  • 3 to 8 are diagrams illustrating examples of configurations included in an image display device according to various embodiments of the present disclosure.
  • FIG 9 is an example of an internal block diagram of an image display device according to an embodiment of the present invention.
  • FIG. 10 is an example of an internal block diagram of the display of FIG. 9 .
  • 11 to 12B are an example of a flowchart of a method of operating an image display apparatus according to an embodiment of the present invention.
  • FIG. 13 is an example of a flowchart of a method of operating an image display apparatus according to another embodiment of the present invention.
  • 14A to 14C are diagrams referred to in the description of an operation method of the image display device of FIG. 13 .
  • module and “part” for the components used in the following description are given simply in consideration of the ease of writing the present specification, and do not give a particularly important meaning or role by themselves. Accordingly, the terms “module” and “unit” may be used interchangeably.
  • FIG. 1 and 2 are diagrams illustrating an image display device having a rollable display according to an embodiment of the present invention.
  • the image display device 100 may be a device that processes and outputs an image.
  • the video display device 100 is not particularly limited as long as it can display a screen corresponding to a video signal, such as a TV or a monitor.
  • the image display apparatus 100 may receive a broadcast signal, process it, and output a signal-processed broadcast image.
  • the image display device 100 may correspond to a broadcast reception device.
  • the image display device 100 may receive a broadcast signal wirelessly through an antenna, or may receive a broadcast signal through a wire through a cable.
  • the image display apparatus 100 may receive a terrestrial broadcast signal, a satellite broadcast signal, a cable broadcast signal, an Internet Protocol Television (IPTV) broadcast signal, and the like.
  • IPTV Internet Protocol Television
  • the image display device 100 may include a display 20 and a housing 30 .
  • the housing 30 may have an internal space, and at least a portion of the display 20 may be located inside the housing 30 . At least a portion of the display 20 may be located outside the housing 30 .
  • An opening 41 may be formed on one surface of the housing 30 , and at least a portion of the display 20 may be exposed to the outside of the housing 30 through the opening 41 .
  • a direction parallel to the longitudinal direction of the housing 30 may be referred to as a first direction DR1 , a +x-axis direction, a -x-axis direction, a left direction, or a right direction.
  • a direction in which the display 20 displays a screen may be referred to as a +z axis, a forward direction, or a forward direction.
  • the direction opposite to the direction in which the display 20 displays the screen may be referred to as the -z axis, the rear direction, or the rear direction.
  • the third direction DR3 may be parallel to the +z-axis direction or the -z-axis direction.
  • a direction parallel to the height direction of the display device 100 may be referred to as a second direction DR2 , a +y-axis direction, a -y-axis direction, an upper direction, or a lower direction.
  • the third direction DR3 may be a direction perpendicular to the first direction DR1 and/or the second direction DR2 .
  • the first direction DR1 and the second direction DR2 may be collectively referred to as a horizontal direction.
  • the third direction DR3 may be referred to as a vertical direction.
  • the left-right direction LR may be parallel to the first direction DR1
  • the vertical direction UD may be parallel to the second direction DR2 .
  • the degree to which at least a portion of the display 20 is exposed to the outside of the housing 30 may be adjusted as necessary.
  • the display 20 may display an image.
  • the display 20 may display an image through at least a partial area exposed to the outside of the housing 30 among the entire area.
  • the display 20 may be a rollable display including a flexible display panel (not shown).
  • the display 20 may include an organic light emitting panel formed of an organic light emitting diode (OLED).
  • OLED organic light emitting diode
  • a roller 143 (refer to FIG. 4A ) on which the rollable display is wound and a motor (not shown) rotating the roller 143 may be located inside the housing 30 .
  • the display 20, according to the rotation of the roller 143 may be rolled-up (roll up) or roll-down (roll down), through the roll-up or roll-down of the display (20) , a size of an area exposed to the outside of the housing 30 (hereinafter, referred to as an exposed area) among the entire area of the display 20 may be adjusted.
  • the image display apparatus 100 may adjust the size of an exposure area among the entire area of the display 20 according to a mode.
  • the image display device 100 is such that the display 20 is wound on the roller 143 located inside the housing 30 so that the display 20 is not exposed to the outside of the housing 30 through the opening 41 .
  • the display 20 is not exposed to the outside of the housing 30 through the opening 41 .
  • power may not be supplied to the display 20 .
  • the zero view mode refers to a mode in which the display 20 is not exposed to the outside of the housing 30 and only some components of the image display device 100 (eg, the audio output unit 285 of FIG. 6 ) are operated. can mean
  • the display 20 is rolled up according to the rotation of the roller 143 , and a portion of the entire area of the display 20 may be exposed to the outside of the housing 30 .
  • the image display apparatus 100 may display an image through a portion of the entire area of the display 20 exposed to the outside of the housing 30 in a line view mode.
  • the line view mode may refer to a mode in which only a portion of the entire area of the display 20 is exposed to the outside of the housing 30 .
  • the display 20 is rolled up according to the rotation of the roller 143 , so that the entire area of the display 20 may be exposed to the outside of the housing 30 .
  • the image display apparatus 100 may display an image through the entire area of the display 20 exposed to the outside of the housing 30 in a full view mode.
  • the full view mode may refer to a mode in which the entire area of the display 20 is exposed to the outside of the housing 30 .
  • 3 to 8 are diagrams illustrating examples of configurations included in an image display device according to various embodiments of the present disclosure.
  • the display 20 may include a display panel 10 and a plate 15 .
  • the display panel 10 may be flexible.
  • the display panel 10 may be an organic light emitting display panel including an organic light emitting diode (OLED).
  • OLED organic light emitting diode
  • the display panel 10 may have a front surface for displaying an image.
  • the display panel 10 may have a rear surface opposite to the front surface.
  • the front surface of the display panel 10 may be covered with a light-transmitting material.
  • the light-transmitting material may be a synthetic resin or a film.
  • the plate 15 may be coupled, fastened, or attached to the rear surface of the display panel 10 .
  • the plate 15 may include a metal material.
  • the plate 15 may be referred to as a module cover 15 , a cover 15 , a display panel cover 15 , a panel cover 15 , an apron 15 , and the like.
  • a portion of the upper surface of the housing 30 in which the opening 41 is positioned may be configured as a door 40 .
  • the remaining portion of the upper surface of the housing 30 except for the door 40 may be referred to as a top cover 30a.
  • the door 40 may be formed to extend long in the longitudinal direction of the housing 30 .
  • the door 40 may be positioned so as not to be spaced apart from the top cover 30a when the display 20 is not exposed to the outside of the housing 30 . In this case, since a space is not formed between the door 40 and the top cover 30a, the opening 41 may not be formed either.
  • the door 40 may move backward to separate the top cover 30a and at least a portion of the door 40 .
  • a separated space between the door 40 and the top cover 30a may be formed as the opening 41 .
  • the overall width w2 of the opening 41 is such that the display 20 can be easily moved from the inside to the outside of the housing 30 or from the outside of the housing 30 to the inside of the display 20 . It may be formed to be larger than the width w1.
  • the image display device 100 may include a configuration for preventing this.
  • the image display apparatus 100 may include at least one optical signal transmitter 51 and an optical signal receiver 52 .
  • the optical signal transmitter 51 and the optical signal receiver 52 may be disposed inside the housing 30 .
  • the optical signal transmitter 51 may transmit an optical signal toward the opening 41 of the housing 30 , and the optical signal receiver 52 may receive the optical signal transmitted from the optical signal transmitter 51 .
  • the optical signal may be a laser signal of various wavelengths having linearity.
  • the optical signal transmitting device 51 may be disposed adjacent to one side of the opening 41 of the housing 30 , and the optical signal receiving device 52 may face the optical signal transmitting device 51 , the opening 41 . ) may be disposed adjacent to the other side.
  • the optical signal transmitting device 51 and the optical signal receiving device 52 may be disposed to correspond to the space 45 between the display 20 and the top cover 30a, and the display 20 and the door 40 . It may be arranged to correspond to the space 47 therebetween.
  • both the optical signal transmitter 51 and the optical signal receiver 52 may be disposed adjacent to one side of the opening 41 .
  • the optical signal transmitted from the optical signal transmitter 51 may be reflected from the other side of the opening 41 and input to the optical signal receiver 52 .
  • the image display apparatus 100 may include a proximity sensor 61 for detecting whether an object is in proximity.
  • the proximity sensor 61 may include a photosensor, a passive infrated sensor (PIR), a Doppler sensor, and the like.
  • the proximity sensor 61 may be disposed on the front surface of the housing 30 , and may detect an object positioned in the front region 60 of the housing 30 . At this time, the proximity sensor 61 may be disposed to face downward by a predetermined angle ⁇ with respect to the front of the housing 30 so as to detect an object located within a predetermined distance L from the housing 30 . have.
  • the proximity sensor 61 is disposed on the front of the housing 30 to detect an object positioned in the front, but the present invention is not limited thereto.
  • the proximity sensor 61 may be disposed not only on the front surface of the housing 30 , but also on the side, rear, and/or top surface of the housing 30 .
  • the image display device 100 may include a piezoelectric sensor 71 .
  • the piezoelectric sensor 71 may be disposed inside the housing 30 .
  • the piezoelectric sensor 71 may be disposed adjacent to the lower end of the upper surface of the housing 30 , and may generate an electrical signal according to pressure applied to the upper end of the upper surface of the housing 30 .
  • the image display device 100 may include a plurality of piezoelectric sensors 71 .
  • the plurality of piezoelectric sensors 71 may be disposed adjacent to the lower ends corresponding to the corners of the upper surface of the housing 30 , respectively.
  • the image display device 100 may include at least one of a current supply device 81 and a current sensing device 82 .
  • the current supply device 81 and the current sensing device 82 may be disposed inside the housing 30 .
  • the housing 30 may be formed of a material having conductivity greater than or equal to a predetermined standard.
  • the housing 30 may be formed of a metal material.
  • the current supply device 81 may supply a current less than a predetermined size to the housing 30 , and the current sensing device 82 may sense a current flowing through the housing 30 .
  • the current less than a predetermined size delivered by the current supply device 81 to the housing 30 is a size (eg, 1 mA) that can feel the electricity flowing through the housing 30 when the user comes into contact with the housing 30 . ) may be smaller than the current.
  • an insulator may be disposed between the lower surface 30b and the bottom of the housing 30 .
  • FIG 9 is an example of an internal block diagram of an image display device according to an embodiment of the present invention.
  • the image display device 100 includes a broadcast receiving unit 205 , an external device interface unit 230 , a network interface unit 235 , a storage unit 240 , a user input interface unit 250 , and a sensor. It may include a unit 260 , a control unit 270 , a driving unit 275 , a display 280 , an audio output unit 285 , and/or a power supply unit 290 .
  • the broadcast receiver 205 may include a tuner 210 and a demodulator 220 .
  • the tuner unit 210 may select a broadcast signal corresponding to a channel selected by the user or all channels stored in advance among broadcast signals received through an antenna (not shown) or a cable (not shown).
  • the tuner unit 210 may convert the selected broadcast signal into an intermediate frequency signal or a baseband video or audio signal. For example, if the selected broadcast signal is a digital broadcast signal, it may be converted into a digital IF signal (DIF), and if the selected broadcast signal is an analog broadcast signal, it may be converted into an analog baseband image or audio signal (CVBS/SIF). . That is, the tuner unit 210 may process a digital broadcast signal or an analog broadcast signal.
  • the analog baseband video or audio signal (CVBS/SIF) output from the tuner unit 210 may be directly input to the control unit 270 .
  • the tuner unit 210 may sequentially select broadcast signals of all broadcast channels stored through the channel storage function among the received broadcast signals, and convert them into an intermediate frequency signal or a baseband video or audio signal.
  • the tuner unit 210 may include a plurality of tuners in order to receive broadcast signals of a plurality of channels.
  • a single tuner that simultaneously receives broadcast signals of a plurality of channels is also possible.
  • the demodulator 220 may receive the digital IF signal DIF converted by the tuner 210 and perform a demodulation operation.
  • the demodulator 220 may output a stream signal TS after demodulation and channel decoding are performed.
  • the stream signal may be a signal obtained by multiplexing an image signal, an audio signal, or a data signal.
  • the stream signal output from the demodulator 220 may be input to the controller 270 .
  • the controller 270 may output an image through the display 20 and output an audio through the audio output unit 285 .
  • the external device interface unit 230 may transmit or receive data with an external device connected thereto.
  • the external device interface unit 230 may include an A/V input/output unit (not shown).
  • the external device interface unit 230 may be connected to an external device such as a DVD (Digital Versatile Disk), Blu-ray, game device, camera, camcorder, computer (notebook), set-top box, etc. by wire/wireless and , it is also possible to perform input/output operations with an external device.
  • DVD Digital Versatile Disk
  • Blu-ray Blu-ray
  • game device camera
  • camcorder computer
  • set-top box etc.
  • the A/V input/output unit may receive video and audio signals from an external device.
  • the external device interface unit 230 establishes a communication network with various remote control devices 300 to receive a control signal related to the operation of the image display device 100 from the remote control device 300 or display an image. Data related to the operation of the device 100 may be transmitted to the remote control device 300 .
  • the external device interface unit 230 may include a communication module (not shown) for short-range wireless communication with other electronic devices.
  • the external device interface unit 230 may transmit/receive data to/from an adjacent electronic device.
  • the external device interface unit 230 may receive device information, executed application information, application image, and the like, from the mobile terminal in the mirroring mode.
  • the network interface unit 235 may provide an interface for connecting the image display device 100 to a wired/wireless network including an Internet network.
  • the network interface unit 235 may receive content or data provided by the Internet or a content provider or network operator through a network.
  • the network interface unit 235 may include a communication module (not shown) for connection with a wired/wireless network.
  • Wi-Fi Wireless Fidelity
  • Bluetooth Bluetooth
  • Bluetooth Low Energy BLE
  • Zigbee Zigbee
  • Communication module for short-range communication such as near field communication (NFC), long-term evolution (LTE), LTE Advance (LTE-A), code division multiple access (CDMA), wideband CDMA (WCDMA), universal mobile telecommunications (UMTS) system
  • a communication module for cellular communication such as Wireless Broadband (WiBro).
  • the storage unit 240 may store a program for processing and controlling each signal in the control unit 270 , or may store a signal-processed image, audio, or data signal.
  • the storage unit 240 stores application programs designed for the purpose of performing various tasks that can be processed by the control unit 270 , and upon request of the control unit 270 , selectively selects some of the stored application programs. can provide
  • the program stored in the storage unit 240 is not particularly limited as long as it can be executed by the control unit 270 .
  • the storage unit 240 may perform a function for temporarily storing an image, audio, or data signal received from an external device through the external device interface unit 230 .
  • the storage unit 240 may store information about a predetermined broadcast channel through a channel storage function such as a channel map.
  • the storage unit 240 may store various data received through the external device interface unit 230 , the network interface unit 235 , and/or the user input interface unit 250 .
  • FIG. 9 illustrates an embodiment in which the storage unit 240 is provided separately from the control unit 270 , the scope of the present invention is not limited thereto, and the storage unit 240 may be included in the control unit 270 .
  • the storage unit 240 may include a volatile memory (eg, DRAM, SRAM, SDRAM, etc.), a non-volatile memory (eg, a flash memory), a hard disk drive (HDD), or a solid state drive (Solid). -state drive (SSD), etc.) may be included.
  • a volatile memory eg, DRAM, SRAM, SDRAM, etc.
  • a non-volatile memory eg, a flash memory
  • HDD hard disk drive
  • Solid solid state drive
  • SSD solid state drive
  • the user input interface unit 250 may transmit a signal input by the user to the control unit 270 or may transmit a signal from the control unit 270 to the user.
  • the user input interface unit 250 transmits/receives user input signals such as power on/off, channel selection, and screen setting from the remote control device 300 , or is provided in the image display device 100 .
  • a user input signal input from a local key such as a power key, a channel key, a volume key, and a setting value may be transmitted to the controller 270 .
  • the sensor unit 260 may include at least one sensor.
  • the sensor unit 260 may include a proximity sensor, a temperature/humidity sensor, an illuminance sensor, and the like.
  • the sensor unit 260 may measure a physical quantity or detect an operating state of the image display device 100 to convert the measured or sensed information into an electrical signal, and transmit the converted electrical signal to the control unit 270 . have.
  • the sensor unit 260 includes an optical signal transmitting device 51 and an optical signal receiving device 52 , a proximity sensor 61 , a piezoelectric sensor 71 , and/or a current supplying device 81 and a current sensing device 82 . ) may be included.
  • the controller 270 may include at least one processor, and may control the overall operation of the image display apparatus 100 by using the processor included therein.
  • the processor may be a general processor such as a central processing unit (CPU).
  • the processor may be a dedicated device such as an ASIC or other hardware-based processor.
  • the control unit 270 demultiplexes a stream input through the tuner unit 210 , the demodulator 220 , the external device interface unit 230 , or the network interface unit 235 or processes the demultiplexed signals. , can generate and output a signal for video or audio output.
  • the controller 270 may determine whether an object exists adjacent to the opening 41 of the housing 30 .
  • the control unit 270 may be configured to move the opening 41 of the housing 30 based on a sensing value received from at least one sensor included in the sensor unit 260 . It can be determined whether an object exists nearby.
  • the controller 270 may control the optical signal to be transmitted through the optical signal transmitting device 51 .
  • the controller 270 determines whether an object exists adjacent to the opening 41 of the housing 30 by checking whether the optical signal is received through the optical signal receiving device 52 according to a preset condition. can do. For example, when the optical signal is not received through the optical signal receiving device 52 while the optical signal is transmitted through the optical signal transmitting device 51 , the controller 270 controls the optical signal receiving device 52 . When the size of the optical signal received through the signal is less than a preset size, it may be determined that an object exists adjacent to the opening 41 of the housing 30 .
  • the controller 270 may check a sensed value received from the piezoelectric sensor 71 when controlling the operation of the roller 143 .
  • sensing values received from the plurality of piezoelectric sensors 71 may be checked, respectively.
  • the controller 270 may determine that the object is present at the upper end of the upper surface of the housing 30 .
  • the preset value may be a value sensed by the piezoelectric sensor 71 when an object does not exist on the upper end of the upper surface of the housing 30 .
  • an object eg, a wallet, a smart phone, etc.
  • the sensed value of the piezoelectric sensor 71 exceeding a set predetermined value may be updated to a predetermined value that is a criterion for determining whether an object exists.
  • control unit 270 when it is determined that the object is present at the upper end of the upper surface of the housing 30 for a preset time and the sensing value of the piezoelectric sensor 71 is changed by more than a predetermined standard, the housing 30 It may be determined that the object existing at the upper end of the upper surface of the stylus is movable and thus accessible to the opening 41 , and it may be determined that the object exists adjacent to the opening 41 of the housing 30 .
  • the control unit 270 when controlling the operation of the roller 143, through the current supply device 81, may control a current of less than a preset size (eg, 1mA) to flow in the housing 30, the current sensing A value sensed by the device 82 may be checked.
  • a preset size eg, 1mA
  • control unit 270 may calculate an impedance value based on the sensed value of the current sensing device 82 , and determine whether an object in contact with the housing 30 exists based on the calculated impedance value. can For example, when the calculated impedance value is out of a predetermined reference range, the controller 270 may determine that an object in contact with the housing 30 exists.
  • the predetermined reference range which is a criterion for determining whether an object in contact with the housing 30 exists, is an impedance value (hereinafter referred to as a reference impedance value) when an object in contact with the housing 30 does not exist, and moisture.
  • a reference impedance value an impedance value when an object in contact with the housing 30 does not exist, and moisture.
  • control unit 270 may update the reference impedance value according to a change in the sensing value of the temperature/humidity sensor, etc., and determine the reference impedance value corresponding to the temperature, humidity, etc. when controlling the operation of the roller 143 . Thus, it can be determined whether there is an object in contact with the housing 30 .
  • the controller 270 determines whether the object in contact with the housing 30 is an object accessible to the opening 41 of the housing 30 . can do.
  • the control unit 270 determines that there is an object in contact with the housing 30 , and the impedance value calculated based on the sensing value of the current sensing device 82 is pre-stored in the storage unit 240 of the user's body. If it corresponds to the impedance value corresponding to the contact of the housing 30 , it is determined that the object in contact with the housing 30 is an object accessible to the opening 41 of the housing 30 , and is adjacent to the opening 41 of the housing 30 . Thus, it can be determined that the object exists.
  • the controller 270 determines whether a predetermined object is present in proximity to at least one side of the housing 30 through the proximity sensor 61 . You may.
  • the control unit 270 is configured to include the housing 30 . It may be determined that the object in contact with the housing 30 is an object accessible to the opening 41 of the housing 30 , and thus it may be determined that the object exists adjacent to the opening 41 of the housing 30 .
  • the control unit 270 approaches at least one side of the housing 30 . Accordingly, it may be determined that the existing living being is an object accessible to the opening 41 of the housing 30 , and thus it may be determined that the object exists adjacent to the opening 41 of the housing 30 .
  • the control unit 270 detects an infrared change due to radiation emitted by a predetermined object existing close to at least one side of the housing 30 through a PIR sensor, and according to the detected infrared change, the housing 30 ), it may be determined whether a predetermined object existing close to at least one side corresponds to a living organism.
  • the controller 270 may control the roller 143 not to operate. For example, when it is determined that an object exists adjacent to the opening 41 of the housing 30 while the display 20 is being rolled down, the control unit 270 stops the operation of the roller 143 to , it is possible to control the display 20 not to roll-down any more.
  • the controller 270 may output a warning message through the display 20 and/or the audio output unit 285 .
  • the controller 270 may generate a beep sound through a buzzer (not shown) included in the audio output unit 285 . (beep) can be printed.
  • the controller 270 may determine the position of the object based on a sensing value received from at least one sensor included in the sensor unit 260 . For example, the controller 270 may determine the position of the object existing on the upper end of the upper surface of the housing 30 based on the sensed values received from the plurality of piezoelectric sensors 71 . For example, the controller 270 may determine the position of the object proximate to the housing 30 through the proximity sensor 61 .
  • the controller 270 may output a warning message including information on the position of the object.
  • the driving unit 275 may include a roller 143 on which the display 20 is wound and at least one motor (not shown).
  • the display panel 10 may be wound or unwound on the roller 143 according to the rotation of the motor.
  • the rotation of the motor may be controlled by the controller 270 .
  • the controller 270 may determine the height of the area exposed to the outside of the housing 30 among the entire area of the display panel 10 based on the degree of rotation of the roller 143 .
  • the display 280 may include an image signal, a data signal, an OSD signal, a control signal, or an image signal and data received from the external device interface unit 230 processed by the controller 270 .
  • a driving signal may be generated by converting a signal, a control signal, or the like. In this regard, it will be described with reference to FIG. 10 .
  • the display 280 may include a display panel 10 and a panel driver 281 .
  • the display panel 10 may include a plurality of pixels, and the plurality of pixels may be connected to a plurality of gate lines GL and data lines DL intersecting in a matrix form.
  • a plurality of thin film transistors TFTs may be disposed at intersections of the plurality of gate lines GL and the data lines DL.
  • the plurality of pixels provided in the display panel 10 may include RGB sub-pixels.
  • the plurality of pixels included in the display panel 10 may include RGBW sub-pixels.
  • the display 280 may generate driving signals for a plurality of pixels by converting an image signal, a data signal, an OSD signal, a control signal, etc. processed by the controller 270 .
  • the panel driver 281 may drive the display panel 10 based on a control signal and a data signal transmitted from the controller 270 .
  • the panel driver 281 may include a timing controller 282 , a gate driver 284 , and/or a data driver 286 .
  • the timing controller 282 may receive a control signal, an image signal, and the like from the controller 170 .
  • the timing controller 282 may control the gate driver 284 and/or the data driver 286 in response to a control signal.
  • the timing controller 282 may rearrange the image signal according to the specification of the data driver 286 and transmit it to the data driver 286 .
  • the gate driver 284 and the data driver 286 may supply a scan signal and an image signal to the display panel 10 through the gate line GL and the data line DL under the control of the timing controller 282 . have.
  • the data driver 286 may include a plurality of source driver integrated circuits (ICs) (not shown) corresponding to the plurality of data lines DL.
  • ICs source driver integrated circuits
  • the display 280 may be a flexible display including an organic light emitting panel formed of an organic light emitting diode (OLED).
  • the display panel 10 may be formed on a substrate made of a material having flexibility such as polyimide.
  • the plurality of pixels may be formed of an organic light emitting diode (OLED).
  • the display 280 may be capable of a three-dimensional display (3D display).
  • the display 280 capable of a 3D display may be divided into a glasses-free type and a glasses type.
  • the display 280 may be configured as a touch screen and used as an input device in addition to an output device.
  • the power supply unit 290 may supply the corresponding power throughout the image processing apparatus 100 .
  • the control unit 270 that can be implemented in the form of a system on chip (SOC), the display 280 for displaying an image, and the audio output unit 285 for outputting audio. have.
  • SOC system on chip
  • the power supply unit 290 may include a converter (not shown) that converts AC power into DC power, and a Dc/Dc converter (not shown) that converts the level of DC power.
  • the power supply unit 290 may supply a common electrode voltage Vcom to the display panel 10 and may supply a gamma voltage to the data driver 286 .
  • the image signal processed by the controller 270 may be input to the display 280 and displayed as an image corresponding to the image signal. Also, the image signal processed by the control unit 270 may be input to an external output device through the external device interface unit 230 .
  • the controller 270 may include a demultiplexer (not shown), an image processor (not shown), and the like.
  • the audio output unit 285 may include an audio device such as a speaker and a buzzer, and may receive a signal processed by the control unit 270 and output it as a voice.
  • the audio signal processed by the controller 270 may be outputted to the audio output unit 285 . Also, the audio signal processed by the controller 270 may be input to an external output device through the external device interface unit 230 .
  • controller 270 may control overall operations within the image processing apparatus 100 .
  • control unit 270 may control the tuner unit 210 to select a channel selected by the user or a broadcast corresponding to a pre-stored channel (Tuning).
  • controller 270 may control the image processing apparatus 100 according to a user command input through the user input interface unit 250 or an internal program.
  • the controller 270 may control the display 280 to display an image.
  • the image displayed on the display 280 may be a still image or a moving image, and may be a 2D image or a 3D image.
  • the controller 270 may cause a predetermined 2D object to be displayed in the image displayed on the display 280 .
  • the object may be at least one of an accessed web screen (newspaper, magazine, etc.), an Electronic Program Guide (EPG), various menus, widgets, icons, still images, moving pictures, and text.
  • EPG Electronic Program Guide
  • the image processing apparatus 100 may further include a photographing unit (not shown).
  • the photographing unit may photograph the user.
  • the photographing unit may be implemented with one camera, but is not limited thereto, and may be implemented with a plurality of cameras.
  • the photographing unit may be embedded in the image processing apparatus 100 on the display 280 or disposed separately. Image information captured by the photographing unit may be input to the control unit 270 .
  • the controller 270 may determine the location of the user based on the image captured by the photographing unit. For example, the controller 270 may determine the distance (z-axis coordinate) between the user and the image processing apparatus 100 . In addition, the controller 270 may determine the x-axis coordinates and the y-axis coordinates in the display 280 corresponding to the user's location.
  • the controller 270 may detect the user's gesture based on each or a combination of an image captured by the photographing unit or a signal sensed from the sensor unit.
  • the image display device 100 may further include an input unit (not shown).
  • the input unit may be provided on one side of the main body of the image display device 100 .
  • the input unit may include a touch pad, a physical button, and the like.
  • the input unit may receive various user commands related to the operation of the image display apparatus 100 , and may transmit a control signal corresponding to the input command to the control unit 270 .
  • the image display device 100 may be a fixed type or a mobile type digital broadcasting receiver capable of receiving digital broadcasting.
  • the block diagram of the image display device 100 shown in FIG. 9 is only a block diagram for an embodiment of the present invention, and each component of the block diagram is actually implemented according to the specifications of the image display device 100 . may be incorporated, added, or omitted.
  • two or more components may be combined into one component, or one component may be subdivided into two or more components as needed.
  • the function performed in each block is for explaining the embodiment of the present invention, and the specific operation or device does not limit the scope of the present invention.
  • the remote control device 300 may include various communication modules such as Wireless Fidelity (Wi-Fi), Bluetooth (Bluetooth), Bluetooth Low Energy (BLE), Zigbee, and Near Field Communication (NFC).
  • Wi-Fi Wireless Fidelity
  • Bluetooth Bluetooth
  • BLE Bluetooth Low Energy
  • Zigbee Zigbee
  • NFC Near Field Communication
  • the remote control device 300 may transmit a user command to the user input interface unit 250 through the communication module.
  • the remote control device 300 may receive, through the communication module, an image, audio or data signal output from the user input interface unit 250 , and display it or output the audio signal from the remote control device 300 . have.
  • 11 to 12B are an example of a flowchart of a method of operating an image display apparatus according to an embodiment of the present invention.
  • the image display apparatus 100 may check whether operation control of the roller 143 is performed in operation S1110 .
  • the image display apparatus 100 may generate a sensed value through at least one sensor included in the sensor unit 260 in operation S1120 .
  • the image display device 100 includes an optical signal transmitter 51 and an optical signal receiver 52 included in the sensor unit 260 , a proximity sensor 61 , a piezoelectric sensor 71 , and/or Alternatively, the sensed value may be generated through the current supply device 81 and the current sensing device 82 .
  • the image display device 100 determines whether an object exists adjacent to the opening 41 of the housing 30 , based on the sensing value of at least one sensor included in the sensor unit 260 . can do.
  • the image display device 100 may control the optical signal to be transmitted through the optical signal transmitting device 51 , and determine whether the optical signal is received through the optical signal receiving device 52 according to a preset condition. By checking, it can be determined whether an object exists adjacent to the opening 41 of the housing 30 .
  • the image display device 100 determines whether an object exists adjacent to the opening 41 of the housing 30 based on a sensed value received from the piezoelectric sensor 71 . can do.
  • the image display apparatus 100 may determine whether the sensed value received from the piezoelectric sensor 71 exceeds a predetermined value. In this case, when the image display apparatus 100 includes the plurality of piezoelectric sensors 71 , it may be checked whether at least one of the sensing values received from the plurality of piezoelectric sensors 71 exceeds a predetermined value.
  • the image display device 100 determines whether the value of the piezoelectric sensor 71 is changed by more than a predetermined standard for a predetermined period of time when the value sensed by the piezoelectric sensor 71 exceeds a predetermined value. can be judged
  • the image display device 100 determines that an object is present at the upper end of the upper surface of the housing 30 because the sensing value of the piezoelectric sensor 71 exceeds a predetermined value, and the piezoelectric sensor 71 When the sensing value of is changed by more than a predetermined standard, it is determined that the object existing at the top of the upper surface of the housing 30 is an object accessible to the opening 41 , and the object adjacent to the opening 41 of the housing 30 is can be considered to exist.
  • the sensing value of the piezoelectric sensor 71 does not exceed a predetermined value, or the sensing value of the piezoelectric sensor 71 for a predetermined period of time is changed by more than a predetermined standard If not, it may be determined that the object does not exist adjacent to the opening 41 of the housing 30 .
  • the image display apparatus 100 may determine whether an object exists adjacent to the opening 41 of the housing 30 based on a sensed value received from the piezoelectric sensor 71 .
  • the image display device 100 determines whether an object exists adjacent to the opening 41 of the housing 30 based on an impedance value calculated according to a current flowing through the housing 30 . can determine whether
  • the image display device 100 in operation S1211, through the current supply device 81, can control the current less than a preset size (eg, 1mA) to flow in the housing 30, the current sensing device 82 ), an impedance value may be calculated based on the sensed value of .
  • a preset size eg, 1mA
  • the image display apparatus 100 may determine whether an object in contact with the housing 30 exists based on the calculated impedance value in operation S1212 . For example, when the calculated impedance value is out of a predetermined reference range, the image display apparatus 100 may determine that an object in contact with the housing 30 exists.
  • the image display device 100 detects a predetermined object close to at least one side of the housing 30 through the proximity sensor 61 . can determine whether
  • the image display device 100 in operation S1214, when a predetermined object is detected in proximity to at least one side of the housing 30 through the proximity sensor 61, the object in contact with the housing 30 is the housing 30 It may be determined that the object is accessible to the opening 41 of the , and it may be determined that the object exists adjacent to the opening 41 of the housing 30 .
  • the image display apparatus 100 may determine whether the operation of the roller 143 is stopped. have.
  • the image display apparatus 100 may perform operation control of the roller 143 again when the operation of the roller 143 is stopped in operation S1150 .
  • the image display apparatus 100 in operation S1160, may check whether the operation control for the roller 143 is completed.
  • the image display device 100 when the power is off (off), the operation control for the roller 143 is completed, the display panel 10 is not exposed to the outside of the housing 30, It can be checked whether all of the interior of the housing 30 has been moved.
  • the image display device 100 branches to operation S1120 and is adjacent to the opening 41 of the housing 30 based on the sensing value of at least one sensor. Thus, it is possible to continuously determine whether an object exists or not.
  • the image display apparatus 100 may stop the operation of the roller 143 when it is determined that an object exists adjacent to the opening 41 in operation S1170 .
  • the image display device 100 may output a warning message through the display 280 and/or the audio output unit 285 in operation S1180, and branch to operation S1120, based on the sensing value of at least one sensor Thus, it is possible to continuously determine whether an object exists adjacent to the opening 41 of the housing 30 .
  • FIG. 13 is an example of a flowchart for an operating method of an image display apparatus according to another embodiment of the present invention
  • FIGS. 14A to 14C are diagrams referenced in the description of the operation method of the image display apparatus of FIG. 13 . .
  • the image display apparatus 100 may check whether operation control of the roller 143 is performed in operation S1301 . For example, when the power of the image display apparatus 100 is turned off, when the mode of the image display apparatus 100 is switched from the full-view mode to the zero-view mode, etc., the operation of the roller 143 It can be seen that the control is performed.
  • the image display apparatus 100 may generate a sensed value through at least one sensor included in the sensor unit 260 in operation S1302 .
  • the image display device 100 includes an optical signal transmitter 51 and an optical signal receiver 52 included in the sensor unit 260 , a proximity sensor 61 , a piezoelectric sensor 71 , and/or Alternatively, the sensed value may be generated through the current supply device 81 and the current sensing device 82 .
  • the image display device 100 determines whether an object exists adjacent to the opening 41 of the housing 30 based on the sensing value of at least one sensor included in the sensor unit 260 . can do.
  • the image display device 100 may control the optical signal to be transmitted through the optical signal transmitting device 51 , and determine whether the optical signal is received through the optical signal receiving device 52 according to a preset condition. By checking, it can be determined whether an object exists adjacent to the opening 41 of the housing 30 .
  • the image display apparatus 100 may check whether the mode of the image display apparatus 100 is set to the safe mode in operation S1304 . For example, when a command for setting the safe mode is received through the user input interface unit 250 , the image display apparatus 100 may set the mode of the image display apparatus 100 to the safe mode.
  • the safe mode is a mode of executing a function of inducing the user's interest toward the opening 41 of the housing 30 by using a remote control device 300 such as a remote control when controlling the operation of the roller 143 . can mean
  • the image display apparatus 100 may display a preset screen through the display 280 when the mode of the image display apparatus 100 is set to the safe mode in operation S1305 .
  • the image display apparatus 100 may determine whether a predetermined signal is received from an external device in operation S1306. For example, the image display apparatus 100 may determine whether a predetermined signal corresponding to a screen displayed through the display 280 is received from the remote control apparatus 300 .
  • the mode of the image display device 100 when the mode of the image display device 100 is set to the safe mode when controlling the operation of the roller 143 , through the display 20 exposed to the outside of the housing 30 , the current A screen including an indicator 1410 indicating that a function according to the safe mode is being executed and an indicator 1420 for inducing a user input may be displayed.
  • the remote control device 300 A predetermined signal corresponding to the screen may be transmitted to the image display device 100 .
  • the image display apparatus 100 may determine whether the operation of the roller 143 is being stopped.
  • the image display apparatus 100 may perform operation control of the roller 143 again when the operation of the roller 143 is stopped in operation S1308 .
  • the image display device 100 may check whether the operation control for the roller 143 is completed. For example, the image display device 100, when the power is off (off), the operation control for the roller 143 is completed, the display panel 10 is not exposed to the outside of the housing 30, It can be checked whether all of the interior of the housing 30 has been moved.
  • the image display device 100 branches to operation S1302 and is adjacent to the opening 41 of the housing 30 based on the sensing value of at least one sensor. Thus, it is possible to continuously determine whether an object exists or not.
  • the image display apparatus 100 when the display 20 is moved more than a predetermined standard according to the operation of the roller 143 in a state in which the mode of the image display apparatus 100 is set to the safe mode, S1305 and S1306 It may not perform any action.
  • operation S1310 when it is determined that an object is present adjacent to the opening 41 , or the mode of the image display apparatus 100 is set to the safe mode in operation S1310 , the operation of the roller 143 may be controlled to be stopped.
  • the image display apparatus 100 may output a warning message through the display 280 and/or the audio output unit 285 in operation S1311, and branch to operation S1302, based on the sensing value of at least one sensor Thus, it is possible to continuously determine whether an object exists adjacent to the opening 41 of the housing 30 . For example, when a predetermined signal corresponding to a screen displayed through the display 280 is not received in a state in which the mode of the image display apparatus 100 is set to the safe mode, the image display apparatus 100 may be configured to Among the channel keys included in 300 , a warning message including content induced to press a channel key corresponding to the screen may be output.
  • an external device such as a remote control to induce the user's interest toward the opening 41 of the housing 30 when controlling the operation of the roller 143, safety accidents are prevented. occurrence can be prevented more reliably.
  • the method of operating an image display apparatus of the present invention can be implemented as processor-readable codes on a processor-readable recording medium provided in the image display apparatus.
  • the processor-readable recording medium includes all types of recording devices in which data readable by the processor is stored. Examples of the processor-readable recording medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, etc., and also includes those implemented in the form of carrier waves such as transmission over the Internet. .
  • the processor-readable recording medium is distributed in a computer system connected through a network, so that the processor-readable code can be stored and executed in a distributed manner.

Abstract

La présente invention concerne un dispositif d'affichage d'image et un procédé de fonctionnement de celui-ci. Un dispositif d'affichage d'image, selon un mode de réalisation de la présente invention, comprend : un boîtier ; un cylindre qui est disposé à l'intérieur du boîtier ; un écran qui est enroulé ou déroulé sur le cylindre et rendu visible à l'extérieur du boîtier à travers une ouverture du boîtier ; et une unité de commande qui commande le fonctionnement du cylindre de telle sorte qu'au moins un capteur et l'écran s'enroulent ou se déroulent, l'unité de commande, lors de la commande du fonctionnement du cylindre, déterminant si un objet est présent à proximité de l'ouverture du boîtier sur la base d'une valeur de détection du ou des capteurs, et lorsqu'il est déterminé qu'un objet et présent à proximité de l'ouverture du boîtier, peut amener le cylindre à ne pas fonctionner. Divers autres modes de réalisation sont possibles.
PCT/KR2020/000537 2020-01-10 2020-01-10 Dispositif d'affichage d'image et procédé de fonctionnement de celui-ci WO2021141171A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000023759A (ja) * 1998-07-09 2000-01-25 Okamura Corp ディスプレイを内蔵する机
KR20130012789A (ko) * 2011-07-26 2013-02-05 현대모비스 주식회사 장애물 감지 기능을 갖는 팝업 모니터
KR20170008610A (ko) * 2015-07-14 2017-01-24 삼성전자주식회사 롤러블 디스플레이장치
KR20170012628A (ko) * 2015-07-21 2017-02-03 삼성전자주식회사 롤러블 디스플레이 장치 및 그 제어 방법
KR20170089664A (ko) * 2016-01-27 2017-08-04 엘지전자 주식회사 롤러블 이동 단말기 및 이의 제어 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000023759A (ja) * 1998-07-09 2000-01-25 Okamura Corp ディスプレイを内蔵する机
KR20130012789A (ko) * 2011-07-26 2013-02-05 현대모비스 주식회사 장애물 감지 기능을 갖는 팝업 모니터
KR20170008610A (ko) * 2015-07-14 2017-01-24 삼성전자주식회사 롤러블 디스플레이장치
KR20170012628A (ko) * 2015-07-21 2017-02-03 삼성전자주식회사 롤러블 디스플레이 장치 및 그 제어 방법
KR20170089664A (ko) * 2016-01-27 2017-08-04 엘지전자 주식회사 롤러블 이동 단말기 및 이의 제어 방법

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