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WO2025150596A1 - Dispositif d'affichage - Google Patents

Dispositif d'affichage

Info

Publication number
WO2025150596A1
WO2025150596A1 PCT/KR2024/000648 KR2024000648W WO2025150596A1 WO 2025150596 A1 WO2025150596 A1 WO 2025150596A1 KR 2024000648 W KR2024000648 W KR 2024000648W WO 2025150596 A1 WO2025150596 A1 WO 2025150596A1
Authority
WO
WIPO (PCT)
Prior art keywords
display device
display
content
preset
blocks
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
PCT/KR2024/000648
Other languages
English (en)
Korean (ko)
Inventor
천영호
강정우
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Priority to PCT/KR2024/000648 priority Critical patent/WO2025150596A1/fr
Publication of WO2025150596A1 publication Critical patent/WO2025150596A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]

Definitions

  • the present disclosure relates to a display device.
  • Digital TV services using wired or wireless communication networks are becoming widespread. Digital TV services can provide a variety of services that were not available with existing analog broadcasting services.
  • IPTV Internet Protocol Television
  • smart TV service provide interactivity that allows users to actively select the type of program to watch, the viewing time, etc. Based on this interactivity, IPTV and smart TV services can also provide various additional services, such as Internet search, home shopping, and online games.
  • Information displays are evolving into new forms as technology advances. Among them, transparent display devices have the unique advantage of being able to display information as a background.
  • Transparent display devices display information on a transparent screen by utilizing the property of transmitting light.
  • the clarity of the content may be reduced. Also, if the transparency mode and the light-blocking mode must be manually controlled, the usability may be reduced.
  • a display device may operate in the light-blocking mode when the number of the static blocks is obtained to be greater than or equal to the preset second reference number, and may operate in the transparent mode when the number of the static blocks is obtained to be less than the preset second reference number.
  • the user input interface (150) can transmit a signal input by the user to the controller (170), or transmit a signal from the controller (170) to the user.
  • the user input interface (150) can receive and process control signals such as power on/off, channel selection, and screen setting from the remote control device (200) according to various communication methods such as Bluetooth, Ultra Wideband (WB), ZigBee, RF (Radio Frequency) communication, or infrared (IR) communication, or process control signals from the controller (170) to be transmitted to the remote control device (200).
  • the user input interface (150) can transmit control signals input from local keys (not shown) such as a power key, channel key, volume key, and setting value to the controller (170).
  • An image signal processed by the controller (170) may be input to the display (180) and displayed as an image corresponding to the image signal.
  • an image signal processed by the controller (170) may be input to an external output device through an external device interface (135).
  • the voice signal processed in the controller (170) can be output as audio to the speaker (185). Additionally, the voice signal processed in the controller (170) can be input to an external output device through the external device interface (135).
  • controller (170) can control the overall operation within the display device (100).
  • the controller (170) enables the user-selected channel information, etc. to be output through the display (180) or speaker (185) together with the processed video or audio signal.
  • controller (170) allows a video signal or audio signal from an external device, for example, a camera or camcorder, input through the external device interface (135) to be output through the display (180) or speaker (185) in accordance with an external device video playback command received through the user input interface (150).
  • an external device for example, a camera or camcorder
  • the controller (170) can control the display (180) to display an image, for example, a broadcast image input through a tuner (131), an external input image input through an external device interface (135), an image input through a network interface unit, or an image stored in a memory (140) can be controlled to be displayed on the display (180).
  • the image displayed on the display (180) can be a still image or a moving image, and can be a 2D image or a 3D image.
  • controller (170) can control the playback of content stored in the display device (100), received broadcast content, or external input content input from the outside, and the content can be in various forms such as broadcast images, external input images, audio files, still images, connected web screens, and document files.
  • the wireless communication interface (173) can perform communication with an external device through wired or wireless communication.
  • the wireless communication interface (173) can perform short range communication with an external device.
  • the wireless communication interface (173) can support short range communication by using at least one of BluetoothTM, RFID (Radio Frequency Identification), Infrared Data Association (IrDA), UWB (Ultra Wideband), ZigBee, NFC (Near Field Communication), Wi-Fi (Wireless-Fidelity), Wi-Fi Direct, and Wireless USB (Wireless Universal Serial Bus) technologies.
  • Such a wireless communication interface (173) can support wireless communication between the display device (100) and a wireless communication system, between the display device (100) and another display device (100), or between the display device (100) and a network where the display device (100, or an external server) is located via a wireless area network.
  • the wireless area network can be a wireless personal area network.
  • the controller (170) can transmit at least a portion of the data processed in the display device (100) to the wearable device via the wireless communication interface (173). Accordingly, a user of the wearable device can use the data processed in the display device (100) via the wearable device.
  • the display (180) can generate a driving signal by converting an image signal, data signal, OSD signal processed by the controller (170) or an image signal, data signal, etc. received from an external device interface (135) into R, G, and B signals, respectively.
  • the display device (100) illustrated in FIG. 1 is only an embodiment of the present invention, some of the illustrated components may be integrated, added, or omitted depending on the specifications of the display device (100) actually implemented.
  • the display device (100) may receive and play back an image through a network interface (133) or an external device interface (135) without having a tuner (131) and a demodulator (132).
  • the display device (100) may be implemented separately as an image processing device, such as a set-top box for receiving contents according to broadcast signals or various network services, and a content playback device for playing contents input from the image processing device.
  • an image processing device such as a set-top box for receiving contents according to broadcast signals or various network services
  • a content playback device for playing contents input from the image processing device.
  • the operating method of the display device according to the embodiment of the present invention to be described below may be performed by any one of the display device (100) described with reference to FIG. 1, as well as an image processing device such as the separated set-top box, or a content playback device having a display (180) and an audio output unit (185).
  • FIG. 2 is a block diagram of a remote control device according to an embodiment of the present invention
  • FIG. 3 shows an example of an actual configuration of a remote control device (200) according to an embodiment of the present invention.
  • the remote control device (200) may include a fingerprint recognition device (210), a wireless communication circuit (220), a user input interface (230), a sensor (240), an output interface (250), a power supply circuit (260), a memory (270), a controller (280), and a microphone (290).
  • Projection display type may be a type that uses technology to display images by projecting light onto a transparent screen.
  • the display device (100) may include at least some of an input unit (171), a video analysis unit (172), a judgment block (173), and a light blocking mechanism unit (174).
  • the video analysis unit (172) can analyze the image of the content input through the input unit (171). For example, the video analysis unit (172) can obtain the saturation or saturation change rate of each region of the image of the content. The specific method by which the video analysis unit (172) analyzes the image of the content will be described below.
  • the judgment block (173) can determine whether the operating state of the display device (100) satisfies the transmission condition. A specific description of the transmission condition will be described later.
  • the shading mechanism unit (174) may have the same configuration as the shading mechanism (181) of Fig. 5.
  • the shading mechanism unit (174) may shading the transparent display (180) based on at least one of the content analysis result of the video analysis unit (172) and the judgment result of the judgment block (173).
  • the operations of the input unit (171), video analysis unit (172), judgment block (173), and shading mechanism unit (174) can be performed by the controller (170).
  • the controller (170) may operate in a transparent mode when the area of an area of an image of content where the saturation is lower than a preset level is more than half of the total area. In addition, the controller (170) may operate in a light-blocking mode when the area of an area of an image of content where the saturation is lower than a preset level is less than half of the total area.
  • the area where the saturation is below a preset level is often a background area.
  • the background area may be an area displayed in a solid black color as shown in Fig. 7(a).
  • the controller (170) can operate in a transparent mode to allow the back of the transparent display (180) to be seen through the background area when the area of the content image where the saturation is lower than the preset level is more than half of the total area. Accordingly, the aesthetics utilizing the transparent display (180) can be maximized.
  • the area of the region that serves as a reference for the controller (170) to operate in the transmission mode is not limited to 1/2 of the total area and may vary depending on the embodiment.
  • FIG. 8 is a flowchart showing an operation method of a display device according to an embodiment of the present disclosure.
  • the controller (170) can receive content (S11).
  • the controller (170) can receive content through various methods such as HDMI (High-Definition Multimedia Interface), RF (Radio Frequency), or OTT (Over The Top).
  • HDMI High-Definition Multimedia Interface
  • RF Radio Frequency
  • OTT Over The Top
  • the controller (170) can divide the image of the content into multiple blocks in order to analyze the content (S13).
  • the controller (170) may divide the content or a local area of the content into 2040 (60 ⁇ 34) blocks.
  • the area of each of the plurality of blocks may be the same.
  • the controller (170) can obtain whether the number of low-saturation blocks is greater than or equal to a preset first reference number (S15).
  • a low saturation block may be a block among a plurality of blocks whose saturation remains below a preset level for a preset first reference time.
  • a low-saturation block may be a block among multiple blocks whose APL (Average Picture Level) remains below level 5 for 3 minutes.
  • APL Average Picture Level
  • the controller (170) When the controller (170) obtains that the number of low-saturation blocks is less than a preset first reference number, it can obtain whether the operating state of the display device (100) satisfies the transmission condition (S17).
  • the transparency condition may be a condition for determining whether the controller (170) will operate in a transparency mode.
  • the transparency condition may be a condition preset in the display device (100). Additionally, the transparency condition may be a condition set by a user.
  • controller (170) When the controller (170) obtains that the number of low-saturation blocks is greater than or equal to a preset first reference number, it can obtain whether the number of static blocks is greater than or equal to a preset second reference number (S19).
  • a static block may be a block among low-saturation blocks whose saturation change rate remains below a preset change rate for a preset second reference time.
  • a static block could be a block where the APL change rate is less than 0.4% over a 3-minute period.
  • the controller (170) When the controller (170) obtains that the number of static blocks is less than a preset second reference number, it can obtain whether the operating state of the display device (100) satisfies the transmission condition (S17).
  • the information provided by the AOD screens (320) may include information such as current temperature and current time, but this is only an example.
  • the display device (100) does not output content in AOD mode, there may be no need to maintain the clarity above a certain level.
  • the controller (170) can operate in a transparent mode when the display device (100) operates in AOD mode, thereby maximizing the aesthetic effect of the AOD screen (320).
  • the transmission condition for the display device (100) according to the embodiment of the present disclosure to operate in a transmission mode may include a condition in which the display device (100) is in AOD mode.
  • FIG. 10 is a drawing illustrating an example of a screen (330) displayed when a display device (100) outputs person-centered content or executes an application.
  • the first screen (331) may be a screen on which the call partner is displayed while the video call application is running.
  • the second screen (332) may be a screen on which home training content is displayed.
  • the fourth screen (334) may be a screen on which individual music content is displayed.
  • FIG. 11 is an exemplary drawing of a case where a display device according to an embodiment of the present disclosure outputs content on a full screen
  • FIG. 12 is an exemplary drawing of a case where a display device according to an embodiment of the present disclosure outputs content on a partial screen.
  • the transparent display (180) can display an image of content in a full screen mode (310). That is, the transparent display (180) can display an image of content in the entire area of the transparent display.
  • the controller (170) can perform video analysis as described in FIG. 8 and operate in a transparent mode or a light-blocking mode based on the analysis results.
  • the controller (170) may operate in the shading mode when the image of the content is displayed in the full screen mode (310), if the controller (170) is preset to operate in the shading mode when the image of the content is displayed in the full screen mode (310).
  • the transparent display (180) can display an image of content in some screen mode (340).
  • the transparent display (180) can display an image of content in a floating view (341) or a multi-view (342).
  • the transparent display (180) displays the image of the content as a floating view (341)
  • the image of the content can be displayed in a part of the area (a1) of the transparent display (180) and the background image can be displayed in the entire area (a2).
  • the image of the content can appear to be floating on the background image. Accordingly, the user can view the image of the content together with the background image.
  • the transparent display (180) displays an image of the content as a floating view (342)
  • the transparent display (180) can display an image of the first content in a first area (a3) of the area of the transparent display (180) and can display an image of the second content in a second area (a4). Accordingly, the user can be provided with a plurality of contents simultaneously. Meanwhile, the transparent display (180) can display no image or a single color in the remaining area (a5) where the content is not displayed, depending on the horizontal and vertical ratios of the first and second content images.
  • the transparent display (180) displays the image of the content as a floating view (341), the background image is displayed in the entire area, and when the image of the content is displayed as a multi-view, there may be an area where the content is not displayed.
  • FIG. 13 is a drawing for explaining a method for a display device according to an embodiment of the present disclosure to obtain an area for transmitting light among areas of a transparent display.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

Un dispositif d'affichage selon un mode de réalisation de la présente divulgation peut comprendre : une unité d'affichage transparente ; et un dispositif de commande qui analyse un contenu affiché sur l'unité d'affichage transparente, et fonctionne, sur la base d'un résultat de l'analyse, dans un mode de transmission pour transmettre de la lumière à travers l'unité d'affichage transparente ou un mode de protection contre la lumière pour protéger au moins une partie d'une zone de l'unité d'affichage transparente.
PCT/KR2024/000648 2024-01-12 2024-01-12 Dispositif d'affichage Pending WO2025150596A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2024/000648 WO2025150596A1 (fr) 2024-01-12 2024-01-12 Dispositif d'affichage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2024/000648 WO2025150596A1 (fr) 2024-01-12 2024-01-12 Dispositif d'affichage

Publications (1)

Publication Number Publication Date
WO2025150596A1 true WO2025150596A1 (fr) 2025-07-17

Family

ID=96387200

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2024/000648 Pending WO2025150596A1 (fr) 2024-01-12 2024-01-12 Dispositif d'affichage

Country Status (1)

Country Link
WO (1) WO2025150596A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140063060A (ko) * 2012-11-16 2014-05-27 삼성전자주식회사 투명 표시부 운용 방법 및 이를 지원하는 단말기
KR101431806B1 (ko) * 2013-05-30 2014-08-19 (주)피엑스디 투명 디스플레이 장치 및 그 동작 방법
KR20170135409A (ko) * 2016-05-31 2017-12-08 엘지디스플레이 주식회사 투명 표시 장치 및 그 구동 방법
WO2023068400A1 (fr) * 2021-10-20 2023-04-27 엘지전자 주식회사 Dispositif d'affichage transparent ayant un panneau de protection contre la lumière variable, dispositif d'affichage d'image le comprenant, et son procédé de commande
WO2023238966A1 (fr) * 2022-06-08 2023-12-14 엘지전자 주식회사 Dispositif d'affichage transparent et son procédé de fonctionnement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140063060A (ko) * 2012-11-16 2014-05-27 삼성전자주식회사 투명 표시부 운용 방법 및 이를 지원하는 단말기
KR101431806B1 (ko) * 2013-05-30 2014-08-19 (주)피엑스디 투명 디스플레이 장치 및 그 동작 방법
KR20170135409A (ko) * 2016-05-31 2017-12-08 엘지디스플레이 주식회사 투명 표시 장치 및 그 구동 방법
WO2023068400A1 (fr) * 2021-10-20 2023-04-27 엘지전자 주식회사 Dispositif d'affichage transparent ayant un panneau de protection contre la lumière variable, dispositif d'affichage d'image le comprenant, et son procédé de commande
WO2023238966A1 (fr) * 2022-06-08 2023-12-14 엘지전자 주식회사 Dispositif d'affichage transparent et son procédé de fonctionnement

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