CN102077167B - 拼接电子显示器 - Google Patents

拼接电子显示器 Download PDF

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Publication number
CN102077167B
CN102077167B CN200980125384.7A CN200980125384A CN102077167B CN 102077167 B CN102077167 B CN 102077167B CN 200980125384 A CN200980125384 A CN 200980125384A CN 102077167 B CN102077167 B CN 102077167B
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China
Prior art keywords
pixel
display
data
driving circuit
circuit
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CN200980125384.7A
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Chinese (zh)
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CN102077167A (zh
Inventor
约翰·威廉·哈默
达斯廷·李·温特斯
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Global OLED Technology LLC
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Global OLED Technology LLC
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    • 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
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/14Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • 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
    • G09G3/2085Special arrangements for addressing the individual elements of the matrix, other than by driving respective rows and columns in combination
    • G09G3/2088Special arrangements for addressing the individual elements of the matrix, other than by driving respective rows and columns in combination with use of a plurality of processors, each processor controlling a number of individual elements of the matrix
    • 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
    • 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
    • G09G3/34Control 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 by control of light from an independent source
    • G09G3/36Control 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 by control of light from an independent source using liquid crystals
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10OLED displays
    • H10K59/12Active-matrix OLED [AMOLED] displays
    • H10K59/129Chiplets
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00Aspects of the constitution of display devices
    • G09G2300/02Composition of display devices
    • G09G2300/026Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions
    • 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
    • G09G3/3233Control 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 current through the light-emitting element

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Electroluminescent Light Sources (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
CN200980125384.7A 2008-06-30 2009-06-17 拼接电子显示器 Active CN102077167B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/164,295 US8179336B2 (en) 2008-06-30 2008-06-30 Tiled electronic display
US12/164,295 2008-06-30
PCT/US2009/003617 WO2010008441A1 (en) 2008-06-30 2009-06-17 Tiled electronic display

Publications (2)

Publication Number Publication Date
CN102077167A CN102077167A (zh) 2011-05-25
CN102077167B true CN102077167B (zh) 2014-01-29

Family

ID=41056702

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200980125384.7A Active CN102077167B (zh) 2008-06-30 2009-06-17 拼接电子显示器

Country Status (6)

Country Link
US (1) US8179336B2 (enExample)
EP (1) EP2304541B1 (enExample)
JP (1) JP5236805B2 (enExample)
KR (1) KR101267899B1 (enExample)
CN (1) CN102077167B (enExample)
WO (1) WO2010008441A1 (enExample)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8619008B2 (en) 2009-02-13 2013-12-31 Global Oled Technology Llc Dividing pixels between chiplets in display device
US8896505B2 (en) * 2009-06-12 2014-11-25 Global Oled Technology Llc Display with pixel arrangement
CN102592516B (zh) * 2012-02-29 2013-12-25 信利半导体有限公司 一种大尺寸显示屏
US10002561B1 (en) 2012-12-12 2018-06-19 Christopher Ralph Tridico Perceptually configured array of addressable electromagnetic emitter elements
TW201430809A (zh) * 2013-01-11 2014-08-01 Sony Corp 顯示面板、像素晶片及電子機器
US20150022754A1 (en) * 2013-07-19 2015-01-22 Google Inc. Configurations for tileable display apparatus with multiple pixel arrays
KR102161644B1 (ko) * 2014-08-20 2020-10-06 삼성디스플레이 주식회사 스트레쳐블 표시 패널 및 이를 포함하는 표시 장치
US11125904B2 (en) 2014-12-12 2021-09-21 Lingacom Ltd. Large scale gas electron multiplier with sealable opening
US10191180B2 (en) * 2014-12-12 2019-01-29 Lingacom Ltd. Large scale gas electron multiplier and detection method
KR102606673B1 (ko) * 2016-10-21 2023-11-28 삼성디스플레이 주식회사 표시 패널, 입체 영상 표시 패널 및 표시 장치
EP3685255A1 (en) * 2017-09-20 2020-07-29 IMAX Theatres International Limited Light emitting display with tiles and data processing
NL2019867B1 (en) 2017-11-08 2019-05-15 Eldolab Holding Bv method of operating a distributed light source and distributed light source.
US11263963B2 (en) * 2018-05-09 2022-03-01 Apple Inc. Local passive matrix display
US10854129B2 (en) * 2018-06-18 2020-12-01 Apple Inc. Hybrid architecture for zero border display
CN110782804B (zh) * 2018-07-30 2021-11-12 上海雷舞照明技术有限公司 显示装置及亮化系统
KR102577240B1 (ko) 2018-11-21 2023-09-12 삼성디스플레이 주식회사 타일드 표시 장치
CN111508935B (zh) * 2019-01-31 2022-03-15 群创光电股份有限公司 拼接显示装置
CN109741683B (zh) * 2019-03-22 2021-04-27 京东方科技集团股份有限公司 显示屏和拼接屏
JP2021028679A (ja) * 2019-08-09 2021-02-25 株式会社ブイ・テクノロジー 発光表示装置および発光表示装置の画素回路チップ
TWI719721B (zh) * 2019-11-20 2021-02-21 友達光電股份有限公司 拼接顯示器及其製造方法
JP7422869B2 (ja) * 2019-11-29 2024-01-26 京東方科技集團股▲ふん▼有限公司 アレイ基板、表示パネル、スプライシング表示パネル、及び表示駆動方法
WO2021216645A1 (en) * 2020-04-21 2021-10-28 H2Vr Holdco, Inc. Surface mount device containing a plurality of pixels and sub-pixels
CN111627382B (zh) * 2020-06-30 2022-02-15 上海天马微电子有限公司 拼接显示屏及显示装置
KR20220049082A (ko) 2020-10-13 2022-04-21 삼성디스플레이 주식회사 타일 조립형 표시 장치, 그 제조를 위한 표시 패널 정렬 장치 및 제조 방법
KR102740142B1 (ko) * 2020-10-21 2024-12-06 엘지디스플레이 주식회사 전계발광 표시장치
KR102832919B1 (ko) * 2021-03-16 2025-07-11 삼성디스플레이 주식회사 표시 장치와 그를 포함하는 타일형 표시 장치
CN113410259B (zh) * 2021-06-09 2022-05-20 深圳蓝普视讯科技有限公司 倒装芯片空间像素排布结构和显示面板装置
CN115631710B (zh) * 2021-07-16 2025-03-21 群创光电股份有限公司 显示面板
JP7760597B2 (ja) * 2021-08-20 2025-10-27 京東方科技集團股▲ふん▼有限公司 表示装置、表示パネル及びその駆動方法
TWI798845B (zh) * 2021-09-28 2023-04-11 友達光電股份有限公司 發光面板
CN115273726B (zh) * 2022-09-01 2025-08-29 合肥鑫晟光电科技有限公司 显示基板、显示面板及显示装置
EP4535340A4 (en) 2022-11-09 2025-10-22 Samsung Electronics Co Ltd DISPLAY DEVICE COMPRISING MULTIPLE DRIVE INTEGRATED CIRCUITS, MODULAR DISPLAY DEVICE AND ASSOCIATED DRIVE METHOD
WO2025225273A1 (ja) * 2024-04-23 2025-10-30 株式会社Magnolia White 表示装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1595488A (zh) * 2003-09-08 2005-03-16 巴库股份有限公司 可配置的大面积显示系统和其中使用的控制单元以及操作这种显示器的方法
US6999045B2 (en) * 2002-07-10 2006-02-14 Eastman Kodak Company Electronic system for tiled displays

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3910418A1 (de) 1989-03-31 1990-10-04 Licentia Gmbh Anzeigevorrichtung
US5276380A (en) 1991-12-30 1994-01-04 Eastman Kodak Company Organic electroluminescent image display device
US5422885A (en) * 1992-06-01 1995-06-06 Motorola, Inc. Contention free local area network
FR2701586B1 (fr) 1993-02-12 1995-03-24 Souriau Diagnostic Electron Dispositif d'affichage à cristaux liquides comprenant un réseau de points images.
JP3813217B2 (ja) 1995-03-13 2006-08-23 パイオニア株式会社 有機エレクトロルミネッセンスディスプレイパネルの製造方法
US5644327A (en) 1995-06-07 1997-07-01 David Sarnoff Research Center, Inc. Tessellated electroluminescent display having a multilayer ceramic substrate
US5889568A (en) 1995-12-12 1999-03-30 Rainbow Displays Inc. Tiled flat panel displays
US5661531A (en) 1996-01-29 1997-08-26 Rainbow Displays Inc. Tiled, flat-panel display having invisible seams
US6274987B1 (en) * 1996-05-08 2001-08-14 Magnetek, Inc. Power sensing lamp protection circuit for ballasts driving gas discharge lamps
US5914957A (en) * 1996-12-19 1999-06-22 Otis Elevator Company Automatic node configuration with identical nodes
US5903328A (en) 1997-06-16 1999-05-11 Rainbow Displays, Inc. Tiled flat-panel display with tile edges cut at an angle and tiles vertically shifted
US6259838B1 (en) 1998-10-16 2001-07-10 Sarnoff Corporation Linearly-addressed light-emitting fiber, and flat panel display employing same
US6274978B1 (en) 1999-02-23 2001-08-14 Sarnoff Corporation Fiber-based flat panel display
US6670882B1 (en) * 1999-07-28 2003-12-30 Cisco Technology, Inc. Multi drop stack bus detector method and apparatus
DE19950839A1 (de) 1999-10-21 2001-05-23 Fraunhofer Ges Forschung Vorrichtung zur Ansteuerung der Anzeigeelemente eines Anzeigeelementenarrays und Verfahren zur Herstellung derselben
US6614171B2 (en) 2001-01-10 2003-09-02 Eastman Kodak Company Light-producing display having spaced apart tiles
JP2002311881A (ja) 2001-04-19 2002-10-25 Nichia Chem Ind Ltd 画像表示装置
AU2003284410A1 (en) 2002-11-19 2004-06-15 Ishikawa Seisakusho, Ltd. Pixel control element selection transfer method, pixel control element mounting device used for pixel control element selection transfer method, wiring formation method after pixel control element transfer, and planar display substrate
DE60320765D1 (de) 2003-05-23 2008-06-19 Barco Nv Verfahren zur Anzeige von Bildern auf einer Grossbildschirmanzeige aus organischen Leuchtdioden sowie die dazu verwendete Anzeige
US20050134525A1 (en) 2003-12-23 2005-06-23 Gino Tanghe Control system for a tiled large-screen emissive display
CN101120433B (zh) 2004-06-04 2010-12-08 伊利诺伊大学评议会 用于制造并组装可印刷半导体元件的方法
US7799699B2 (en) 2004-06-04 2010-09-21 The Board Of Trustees Of The University Of Illinois Printable semiconductor structures and related methods of making and assembling
US20060044215A1 (en) 2004-08-24 2006-03-02 Brody Thomas P Scalable tiled display assembly for forming a large-area flat-panel display by using modular display tiles
WO2006130721A2 (en) 2005-06-02 2006-12-07 The Board Of Trustees Of The University Of Illinois Printable semiconductor structures and related methods of making and assembling
US8041310B2 (en) * 2007-10-01 2011-10-18 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus and methods for frequency control in a multi-output frequency synthesizer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6999045B2 (en) * 2002-07-10 2006-02-14 Eastman Kodak Company Electronic system for tiled displays
CN1595488A (zh) * 2003-09-08 2005-03-16 巴库股份有限公司 可配置的大面积显示系统和其中使用的控制单元以及操作这种显示器的方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2002-311881A 2002.10.25

Also Published As

Publication number Publication date
JP5236805B2 (ja) 2013-07-17
KR101267899B1 (ko) 2013-05-28
EP2304541A1 (en) 2011-04-06
WO2010008441A1 (en) 2010-01-21
EP2304541B1 (en) 2018-07-18
JP2011527023A (ja) 2011-10-20
US8179336B2 (en) 2012-05-15
US20090322649A1 (en) 2009-12-31
CN102077167A (zh) 2011-05-25
KR20110028527A (ko) 2011-03-18

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