ATE419613T1 - Ansteuerschema für ein cholesterisches flüssigkristallanzeigebauelement - Google Patents

Ansteuerschema für ein cholesterisches flüssigkristallanzeigebauelement

Info

Publication number
ATE419613T1
ATE419613T1 AT05801532T AT05801532T ATE419613T1 AT E419613 T1 ATE419613 T1 AT E419613T1 AT 05801532 T AT05801532 T AT 05801532T AT 05801532 T AT05801532 T AT 05801532T AT E419613 T1 ATE419613 T1 AT E419613T1
Authority
AT
Austria
Prior art keywords
drive
reflectance
pixel
liquid crystal
cholesteric liquid
Prior art date
Application number
AT05801532T
Other languages
English (en)
Inventor
Amir Ben-Shalom
Lahav Langboim
Ilan Feldman
David Coates
Original Assignee
Magink Display Technologies
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 claimed from IL16515004A external-priority patent/IL165150A0/xx
Priority claimed from GB0512437A external-priority patent/GB0512437D0/en
Application filed by Magink Display Technologies filed Critical Magink Display Technologies
Application granted granted Critical
Publication of ATE419613T1 publication Critical patent/ATE419613T1/de

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
    • G09G3/34—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 by control of light from an independent source
    • G09G3/36—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 by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3622—Control of matrices with row and column drivers using a passive matrix
    • G09G3/3629—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0469—Details of the physics of pixel operation
    • G09G2300/0478—Details of the physics of pixel operation related to liquid crystal pixels
    • G09G2300/0482—Use of memory effects in nematic liquid crystals
    • G09G2300/0486—Cholesteric liquid crystals, including chiral-nematic liquid crystals, with transitions between focal conic, planar, and homeotropic states
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2077—Display of intermediate tones by a combination of two or more gradation control methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Substances (AREA)
  • Polarising Elements (AREA)
AT05801532T 2004-11-10 2005-11-07 Ansteuerschema für ein cholesterisches flüssigkristallanzeigebauelement ATE419613T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL16515004A IL165150A0 (en) 2004-11-10 2004-11-10 A cholesteric liquid crystal display device
GB0512437A GB0512437D0 (en) 2005-06-17 2005-06-17 Drive scheme for a cholesteric liquid crystal display device

Publications (1)

Publication Number Publication Date
ATE419613T1 true ATE419613T1 (de) 2009-01-15

Family

ID=35787972

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05801532T ATE419613T1 (de) 2004-11-10 2005-11-07 Ansteuerschema für ein cholesterisches flüssigkristallanzeigebauelement

Country Status (6)

Country Link
US (1) US8013819B2 (de)
EP (1) EP1810273B1 (de)
JP (1) JP2008519996A (de)
AT (1) ATE419613T1 (de)
DE (1) DE602005012140D1 (de)
WO (1) WO2006051273A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0512829D0 (en) * 2005-06-23 2005-08-03 Magink Display Technologies Video drive scheme for a cholesteric liquid crystal display device
GB0610433D0 (en) * 2006-05-25 2006-07-05 Magink Display Technologies Lighting a cholesteric liquid crystal display apparatus
JP2009181106A (ja) * 2008-02-01 2009-08-13 Fujitsu Ltd ドットマトリクス型表示装置および画像書込み方法
US8269801B2 (en) * 2008-09-24 2012-09-18 3M Innovative Properties Company Unipolar gray scale drive scheme for cholesteric liquid crystal displays
TW201042604A (en) * 2009-05-19 2010-12-01 Ind Tech Res Inst Display and driving method
US8217930B2 (en) * 2009-08-27 2012-07-10 3M Innovative Properties Company Fast transitions of large area cholesteric displays
KR20110102703A (ko) * 2010-03-11 2011-09-19 삼성전자주식회사 표시 패널의 구동 방법 이를 수행하기 위한 표시 장치
JP5653686B2 (ja) * 2010-08-24 2015-01-14 株式会社ジャパンディスプレイ タッチ検出機能付き表示装置
TW201217860A (en) 2010-10-25 2012-05-01 Ind Tech Res Inst Cholesteric liquid crystal device
KR101773950B1 (ko) * 2010-11-08 2017-09-13 삼성디스플레이 주식회사 디스플레이 장치 및 그 구동 방법
JP2012211982A (ja) * 2011-03-31 2012-11-01 Fujitsu Ltd 液晶表示装置及びその駆動方法
GB201111123D0 (en) * 2011-06-29 2011-08-10 R2Tek Llc Drive scheme for cholesteric liquid crystal display device
CN103529611B (zh) * 2013-09-24 2017-01-25 深圳市华星光电技术有限公司 一种阵列基板及液晶显示面板
US10191309B2 (en) * 2015-08-07 2019-01-29 Instec, Inc. Measurement techniques for liquid crystal parameters including twist elastic constant without light measurement
US20250372056A1 (en) * 2024-05-31 2025-12-04 Iris Optronics Co., Ltd. Scan driving method for high-quality image and cholesteric liquid-crystal display device using the same

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JPH06100757B2 (ja) 1990-07-09 1994-12-12 インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン 液晶表示装置
JP3133216B2 (ja) 1993-07-30 2001-02-05 キヤノン株式会社 液晶表示装置及びその駆動方法
US5748277A (en) 1995-02-17 1998-05-05 Kent State University Dynamic drive method and apparatus for a bistable liquid crystal display
US6154190A (en) * 1995-02-17 2000-11-28 Kent State University Dynamic drive methods and apparatus for a bistable liquid crystal display
US5661533A (en) 1995-05-19 1997-08-26 Advanced Display Systems, Inc. Ultra fast response, multistable reflective cholesteric liquid crystal displays
JP3217657B2 (ja) 1995-09-13 2001-10-09 株式会社東芝 液晶表示装置
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TW523727B (en) 1999-05-27 2003-03-11 Koninkl Philips Electronics Nv Display device
JP2001083485A (ja) * 1999-09-13 2001-03-30 Fuji Xerox Co Ltd 表示装置
JP3888413B2 (ja) 2000-01-14 2007-03-07 富士ゼロックス株式会社 表示素子、書き込み方法および書き込み装置
AU2001231255A1 (en) * 2000-01-31 2001-08-07 Three-Five Systems, Inc. Methods and apparatus for driving a display
US6954195B2 (en) * 2000-03-01 2005-10-11 Minolta Co., Ltd. Liquid crystal display device having a liquid crystal display driven by interlace scanning and/or sequential scanning
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GB0114998D0 (en) 2001-06-20 2001-08-08 Secr Defence Liquid crystal device
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JP2003140183A (ja) 2001-08-22 2003-05-14 Sharp Corp 反射型液晶表示装置
KR100806901B1 (ko) 2001-09-03 2008-02-22 삼성전자주식회사 광시야각 모드용 액정 표시 장치와 이의 구동 방법
US20030151580A1 (en) 2002-02-11 2003-08-14 Yao-Dong Ma Motion video cholesteric displays
IL152029A0 (en) * 2002-09-30 2003-04-10 Magink Display Technologies Distinct color lcd apparatus
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JP3818273B2 (ja) * 2003-05-23 2006-09-06 コニカミノルタホールディングス株式会社 液晶表示素子の駆動方法及び液晶表示装置
DE60331481D1 (de) * 2003-09-04 2010-04-08 Fujitsu Ltd Ic-karte
GB0512829D0 (en) 2005-06-23 2005-08-03 Magink Display Technologies Video drive scheme for a cholesteric liquid crystal display device
GB0520763D0 (en) 2005-10-12 2005-11-23 Magink Display Technologies Cholesteric liquid crystal display device
GB0610433D0 (en) 2006-05-25 2006-07-05 Magink Display Technologies Lighting a cholesteric liquid crystal display apparatus
GB0702977D0 (en) 2007-02-15 2007-03-28 Magink Display Technologies In Driving of a cholesteric liquid display apparatus

Also Published As

Publication number Publication date
EP1810273A1 (de) 2007-07-25
US20080042959A1 (en) 2008-02-21
DE602005012140D1 (de) 2009-02-12
WO2006051273A1 (en) 2006-05-18
EP1810273B1 (de) 2008-12-31
US8013819B2 (en) 2011-09-06
JP2008519996A (ja) 2008-06-12

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