FR3104795B1 - Dispositif comprenant un écran d'affichage à mode de fonctionnement à basse consommation - Google Patents

Dispositif comprenant un écran d'affichage à mode de fonctionnement à basse consommation Download PDF

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Publication number
FR3104795B1
FR3104795B1 FR1914283A FR1914283A FR3104795B1 FR 3104795 B1 FR3104795 B1 FR 3104795B1 FR 1914283 A FR1914283 A FR 1914283A FR 1914283 A FR1914283 A FR 1914283A FR 3104795 B1 FR3104795 B1 FR 3104795B1
Authority
FR
France
Prior art keywords
display screen
low power
operating mode
power operating
display
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.)
Active
Application number
FR1914283A
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English (en)
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FR3104795A1 (fr
Inventor
Frédéric Mercier
Matthieu Charbonnier
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.)
Aledia
Original Assignee
Aledia
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
Priority to FR1914283A priority Critical patent/FR3104795B1/fr
Application filed by Aledia filed Critical Aledia
Priority to PCT/EP2020/084209 priority patent/WO2021115860A1/fr
Priority to KR1020227020126A priority patent/KR20220112784A/ko
Priority to CN202080086440.7A priority patent/CN114830224B/zh
Priority to US17/783,254 priority patent/US11862093B2/en
Priority to JP2022535774A priority patent/JP7565622B2/ja
Priority to EP20812374.5A priority patent/EP4073785A1/fr
Priority to TW109142835A priority patent/TW202143206A/zh
Publication of FR3104795A1 publication Critical patent/FR3104795A1/fr
Application granted granted Critical
Publication of FR3104795B1 publication Critical patent/FR3104795B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control 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
    • G09G3/30Control 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
    • G09G3/32Control 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]
    • G09G3/3208Control 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]
    • G09G3/3266Details of drivers for scan electrodes
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control 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
    • G09G3/30Control 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
    • G09G3/32Control 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]
    • G09G3/3208Control 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]
    • G09G3/3225Control 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] using an active matrix
    • G09G3/3258Control 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] using an active matrix with pixel circuitry controlling the voltage across the light-emitting element
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control 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
    • G09G3/30Control 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
    • G09G3/32Control 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]
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/2085Special arrangements for addressing the individual elements of the matrix, other than by driving respective rows and columns in combination
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control 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
    • G09G3/30Control 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
    • G09G3/32Control 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]
    • G09G3/3208Control 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]
    • G09G3/3275Details of drivers for data electrodes
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264Details of driving circuits
    • G09G2310/0286Details of a shift registers arranged for use in a driving circuit
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details of power systems and of start or stop of display operation
    • G09G2330/021Power management, e.g. power saving
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details of power systems and of start or stop of display operation
    • G09G2330/021Power management, e.g. power saving
    • G09G2330/022Power management, e.g. power saving in absence of operation, e.g. no data being entered during a predetermined time
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00Aspects of display data processing
    • G09G2340/04Changes in size, position or resolution of an image
    • G09G2340/0407Resolution change, inclusive of the use of different resolutions for different screen areas
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/02Graphics controller able to handle multiple formats, e.g. input or output formats
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/16Calculation or use of calculated indices related to luminance levels in display data
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/18Use of a frame buffer in a display terminal, inclusive of the display panel
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)
  • Led Device Packages (AREA)

Abstract

Dispositif comprenant un écran d'affichage à mode de fonctionnement à basse consommation La présente description concerne un dispositif (40) comprenant un écran d'affichage comprenant des pixels d'affichage agencés en rangées et en colonnes, dont une première rangée et une première colonne. Le dispositif comprend, en outre, un circuit de commande de l'écran d'affichage configuré pour, dans un premier mode, débuter l'affichage d'une première image sur la première rangée et sur la première colonne et, dans un deuxième mode, débuter l'affichage d'une deuxième image (IM) sur l'une des rangées différentes de la première rangée et/ou sur l'une des colonnes différentes de la première colonne. Figure pour l'abrégé : Fig. 4
FR1914283A 2019-12-12 2019-12-12 Dispositif comprenant un écran d'affichage à mode de fonctionnement à basse consommation Active FR3104795B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR1914283A FR3104795B1 (fr) 2019-12-12 2019-12-12 Dispositif comprenant un écran d'affichage à mode de fonctionnement à basse consommation
KR1020227020126A KR20220112784A (ko) 2019-12-12 2020-12-02 저-전력 작동 모드를 갖는 표시 화면을 구비하는 장치
CN202080086440.7A CN114830224B (zh) 2019-12-12 2020-12-02 包括具有低功耗操作模式的显示屏的设备
US17/783,254 US11862093B2 (en) 2019-12-12 2020-12-02 Device comprising a display screen with low-consumption operating mode
PCT/EP2020/084209 WO2021115860A1 (fr) 2019-12-12 2020-12-02 Dispositif comprenant un ecran d'affichage a mode de fonctionnement a basse consommation
JP2022535774A JP7565622B2 (ja) 2019-12-12 2020-12-02 低消費動作モードを有するディスプレイスクリーンを備えたデバイス
EP20812374.5A EP4073785A1 (fr) 2019-12-12 2020-12-02 Dispositif comprenant un ecran d'affichage a mode de fonctionnement a basse consommation
TW109142835A TW202143206A (zh) 2019-12-12 2020-12-04 包含具有低功率操作模式的顯示螢幕的裝置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1914283 2019-12-12
FR1914283A FR3104795B1 (fr) 2019-12-12 2019-12-12 Dispositif comprenant un écran d'affichage à mode de fonctionnement à basse consommation

Publications (2)

Publication Number Publication Date
FR3104795A1 FR3104795A1 (fr) 2021-06-18
FR3104795B1 true FR3104795B1 (fr) 2022-01-28

Family

ID=70613903

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1914283A Active FR3104795B1 (fr) 2019-12-12 2019-12-12 Dispositif comprenant un écran d'affichage à mode de fonctionnement à basse consommation

Country Status (8)

Country Link
US (1) US11862093B2 (fr)
EP (1) EP4073785A1 (fr)
JP (1) JP7565622B2 (fr)
KR (1) KR20220112784A (fr)
CN (1) CN114830224B (fr)
FR (1) FR3104795B1 (fr)
TW (1) TW202143206A (fr)
WO (1) WO2021115860A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024054039A1 (fr) 2022-09-06 2024-03-14 주식회사 엘지에너지솔루션 Station d'échange de batteries, son procédé de commande et système d'échange de batteries

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1077442A1 (fr) 1999-08-17 2001-02-21 Koninklijke Philips Electronics N.V. Ecran doté d'une zone d'affichage à geométrie variable
KR100430929B1 (ko) * 2000-03-30 2004-05-12 세이코 엡슨 가부시키가이샤 표시 장치
JP4817533B2 (ja) 2001-05-29 2011-11-16 東芝モバイルディスプレイ株式会社 フラットパネル表示装置
JP2003316315A (ja) 2002-04-23 2003-11-07 Tohoku Pioneer Corp 発光表示パネルの駆動装置および駆動方法
FR2842640B1 (fr) * 2002-07-19 2005-08-05 St Microelectronics Sa Affichage d'une image sur un ecran matriciel par adressage selectif de lignes de l'ecran
KR100752365B1 (ko) * 2003-11-14 2007-08-28 삼성에스디아이 주식회사 표시장치의 픽셀구동회로 및 그 방법
JP2005309304A (ja) 2004-04-26 2005-11-04 Seiko Epson Corp データ線駆動回路、電気光学装置および電子機器
JP4860488B2 (ja) * 2007-01-04 2012-01-25 ルネサスエレクトロニクス株式会社 画像表示制御装置
KR20100025963A (ko) * 2008-08-28 2010-03-10 삼성전자주식회사 디스플레이 구동회로 및 그 구동방법
US20100171734A1 (en) * 2009-01-08 2010-07-08 Tsung-I Chiu System and Method for Extending Operating Time of an Electronic Device
US8896505B2 (en) * 2009-06-12 2014-11-25 Global Oled Technology Llc Display with pixel arrangement
KR102275707B1 (ko) 2015-05-04 2021-07-09 삼성전자주식회사 디스플레이 드라이버, 디스플레이 장치 및 디스플레이 시스템
CN105867865B (zh) * 2016-04-08 2017-03-08 京东方科技集团股份有限公司 一种数据处理方法、数据处理装置及拼接显示系统
FR3069379B1 (fr) 2017-07-21 2019-08-23 Aledia Dispositif optoelectronique
FR3069378B1 (fr) 2017-07-21 2019-08-23 Aledia Dispositif optoelectronique
EP3791380A1 (fr) * 2018-05-08 2021-03-17 Apple Inc. Affichage à mémoire dans pixel

Also Published As

Publication number Publication date
US20230018962A1 (en) 2023-01-19
US11862093B2 (en) 2024-01-02
JP7565622B2 (ja) 2024-10-11
TW202143206A (zh) 2021-11-16
WO2021115860A1 (fr) 2021-06-17
CN114830224B (zh) 2024-10-15
FR3104795A1 (fr) 2021-06-18
JP2023505888A (ja) 2023-02-13
KR20220112784A (ko) 2022-08-11
EP4073785A1 (fr) 2022-10-19
CN114830224A (zh) 2022-07-29

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