DE69320076T2 - Verfahren zur Ansteuerung einer Flüssigkristall- Anzeigevorrichtung - Google Patents

Verfahren zur Ansteuerung einer Flüssigkristall- Anzeigevorrichtung

Info

Publication number
DE69320076T2
DE69320076T2 DE69320076T DE69320076T DE69320076T2 DE 69320076 T2 DE69320076 T2 DE 69320076T2 DE 69320076 T DE69320076 T DE 69320076T DE 69320076 T DE69320076 T DE 69320076T DE 69320076 T2 DE69320076 T2 DE 69320076T2
Authority
DE
Germany
Prior art keywords
driving
liquid crystal
display device
crystal display
liquid
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.)
Expired - Fee Related
Application number
DE69320076T
Other languages
English (en)
Other versions
DE69320076D1 (de
Inventor
Mitsuhiro Koden
Akira Tagawa
Hitoshi Takeda
Hirofumi Katsuse
Makoto Shiomi
Takaji Numao
Hiroshi Gouda
Masayuki Katakami
Naofumi Kondo
Mikio Katayama
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 JP1376792A external-priority patent/JP2875675B2/ja
Priority claimed from JP4173495A external-priority patent/JPH0618852A/ja
Priority claimed from JP18518692A external-priority patent/JP3205598B2/ja
Priority claimed from JP19984192A external-priority patent/JP3239310B2/ja
Priority claimed from JP31055392A external-priority patent/JP2809567B2/ja
Application filed by Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE69320076D1 publication Critical patent/DE69320076D1/de
Publication of DE69320076T2 publication Critical patent/DE69320076T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL 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
    • G02F1/00—Devices 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
    • G02F1/01—Devices 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 
    • G02F1/13—Devices 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
    • G02F1/137—Devices 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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—Devices 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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/141—Devices 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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • C09K19/0225—Ferroelectric
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • 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
    • G09G3/3614—Control of polarity reversal in general
    • 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
    • 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
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • G09G3/3651—Control of matrices with row and column drivers using an active matrix using multistable liquid crystals, e.g. ferroelectric liquid crystals
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL 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
    • G02F2203/00—Function characteristic
    • G02F2203/30—Gray scale
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
    • 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
    • G09G3/2011—Display of intermediate tones by amplitude modulation
    • 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
    • G09G3/207—Display of intermediate tones by domain size control

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
DE69320076T 1992-01-29 1993-01-29 Verfahren zur Ansteuerung einer Flüssigkristall- Anzeigevorrichtung Expired - Fee Related DE69320076T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP1376792A JP2875675B2 (ja) 1992-01-29 1992-01-29 液晶表示装置及びその駆動方法
JP4173495A JPH0618852A (ja) 1992-06-30 1992-06-30 強誘電性液晶表示装置の駆動方法
JP18518692A JP3205598B2 (ja) 1992-07-13 1992-07-13 液晶表示素子及びその駆動方法
JP19984192A JP3239310B2 (ja) 1992-07-27 1992-07-27 強誘電性液晶表示素子
JP31055392A JP2809567B2 (ja) 1992-11-19 1992-11-19 強誘電性液晶表示装置

Publications (2)

Publication Number Publication Date
DE69320076D1 DE69320076D1 (de) 1998-09-10
DE69320076T2 true DE69320076T2 (de) 1999-03-11

Family

ID=27519556

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320076T Expired - Fee Related DE69320076T2 (de) 1992-01-29 1993-01-29 Verfahren zur Ansteuerung einer Flüssigkristall- Anzeigevorrichtung

Country Status (5)

Country Link
US (1) US5465168A (de)
EP (1) EP0554109B1 (de)
KR (1) KR970009404B1 (de)
DE (1) DE69320076T2 (de)
TW (1) TW476422U (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07191304A (ja) * 1993-12-25 1995-07-28 Semiconductor Energy Lab Co Ltd 液晶電気光学装置
US5920301A (en) * 1994-06-10 1999-07-06 Casio Computer Co., Ltd. Liquid crystal display apparatus using liquid crystal having ferroelectric phase and method of driving liquid crystal display device using liquid crystal having ferroelectric phase
JP2726631B2 (ja) * 1994-12-14 1998-03-11 インターナショナル・ビジネス・マシーンズ・コーポレイション 液晶表示方法
US5808800A (en) 1994-12-22 1998-09-15 Displaytech, Inc. Optics arrangements including light source arrangements for an active matrix liquid crystal image generator
US5748164A (en) 1994-12-22 1998-05-05 Displaytech, Inc. Active matrix liquid crystal image generator
JP3824328B2 (ja) * 1997-12-05 2006-09-20 シチズン時計株式会社 焼き付き防止及び回復処理手段を備えた強誘電性液晶装置
JPH11242207A (ja) 1997-12-26 1999-09-07 Sony Corp 電圧発生回路、光学空間変調素子、画像表示装置並びに画素の駆動方法
US6809717B2 (en) * 1998-06-24 2004-10-26 Canon Kabushiki Kaisha Display apparatus, liquid crystal display apparatus and driving method for display apparatus
JP2001133813A (ja) * 1999-11-05 2001-05-18 Fujitsu Ltd 液晶表示装置
KR100679521B1 (ko) * 2000-02-18 2007-02-07 엘지.필립스 엘시디 주식회사 액정표시장치 제조방법
US6628360B2 (en) * 2000-03-27 2003-09-30 Casio Computer Co., Ltd. Liquid crystal display device including liquid crystal layer having liquid crystal molecules homogeneously aligned
JP3408491B2 (ja) 2000-03-29 2003-05-19 株式会社東芝 液晶表示装置及びその製造方法
US7385579B2 (en) * 2000-09-29 2008-06-10 Semiconductor Energy Laboratory Co., Ltd. Liquid crystal display device and method of driving the same
KR100438827B1 (ko) * 2001-10-31 2004-07-05 삼성전기주식회사 영상의 계조 향상 방법 및 이를 수행하는 영상 표시 장치
GB0126844D0 (en) 2001-11-08 2002-01-02 Qinetiq Ltd Novel compounds
KR101012944B1 (ko) * 2002-12-21 2011-02-08 엘지디스플레이 주식회사 강유전성 액정의 전계배향방법과 이를 이용한 액정표시장치
JP2004233526A (ja) * 2003-01-29 2004-08-19 Mitsubishi Electric Corp 液晶表示装置
CN1791900A (zh) * 2003-05-22 2006-06-21 皇家飞利浦电子股份有限公司 电泳显示器件和驱动方法
US8310441B2 (en) 2004-09-27 2012-11-13 Qualcomm Mems Technologies, Inc. Method and system for writing data to MEMS display elements
US20070126673A1 (en) * 2005-12-07 2007-06-07 Kostadin Djordjev Method and system for writing data to MEMS display elements
US8736590B2 (en) 2009-03-27 2014-05-27 Qualcomm Mems Technologies, Inc. Low voltage driver scheme for interferometric modulators
US20160194561A1 (en) * 2013-05-31 2016-07-07 Dic Corporation Difluorophenyl liquid crystal composition

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084884A (en) * 1974-02-21 1978-04-18 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Liquid crystal devices
US4367924A (en) * 1980-01-08 1983-01-11 Clark Noel A Chiral smectic C or H liquid crystal electro-optical device
JPH0629919B2 (ja) * 1982-04-16 1994-04-20 株式会社日立製作所 液晶素子の駆動方法
JPS62200327A (ja) * 1986-02-28 1987-09-04 Hitachi Ltd 液晶電気光学装置
JPH0792563B2 (ja) * 1986-12-04 1995-10-09 株式会社半導体エネルギー研究所 液晶表示装置
JPS63143529A (ja) * 1986-12-06 1988-06-15 Semiconductor Energy Lab Co Ltd 液晶表示体駆動方法
JPS63237035A (ja) * 1987-03-26 1988-10-03 Seiko Epson Corp 強誘電性液晶素子の階調法
US5285214A (en) * 1987-08-12 1994-02-08 The General Electric Company, P.L.C. Apparatus and method for driving a ferroelectric liquid crystal device
GB2217035A (en) * 1988-03-28 1989-10-18 Stc Plc Analogue modulation of light
JPH02238088A (ja) * 1989-03-13 1990-09-20 Dainippon Ink & Chem Inc 強誘電性液晶組成物
JP2655719B2 (ja) * 1989-03-20 1997-09-24 富士通株式会社 液晶表示素子
NL8901481A (nl) * 1989-06-12 1991-01-02 Philips Nv Passieve ferro-elektrisch vloeibaar kristal weergeefinrichting en werkwijze ter vervaardiging daarvan.
DE3919839A1 (de) * 1989-06-17 1990-12-20 Hoechst Ag Fluessigkristall-schalt- und anzeige-element
JP2775495B2 (ja) * 1989-11-08 1998-07-16 チッソ株式会社 強誘電性液晶組成物
US5182662A (en) * 1989-12-01 1993-01-26 Canon Kabushiki Kaisha Liquid crystal device
JP2921577B2 (ja) * 1990-02-21 1999-07-19 キヤノン株式会社 液晶装置
JP2681528B2 (ja) * 1990-02-22 1997-11-26 キヤノン株式会社 液晶ライトバルブ装置
JP2982330B2 (ja) * 1990-04-28 1999-11-22 ソニー株式会社 液晶表示素子
GB2249653B (en) * 1990-10-01 1994-09-07 Marconi Gec Ltd Ferroelectric liquid crystal devices
JP3013260B2 (ja) * 1990-11-19 2000-02-28 株式会社半導体エネルギー研究所 液晶装置
JPH05249435A (ja) * 1992-03-03 1993-09-28 Mitsubishi Gas Chem Co Inc 反強誘電性液晶素子

Also Published As

Publication number Publication date
US5465168A (en) 1995-11-07
DE69320076D1 (de) 1998-09-10
TW476422U (en) 2002-02-11
KR970009404B1 (ko) 1997-06-13
EP0554109A1 (de) 1993-08-04
EP0554109B1 (de) 1998-08-05
KR930016811A (ko) 1993-08-30

Similar Documents

Publication Publication Date Title
DE69331610D1 (de) Verfahren zur Ansteuerung einer Flüssigkristallanzeige
DE69320076D1 (de) Verfahren zur Ansteuerung einer Flüssigkristall- Anzeigevorrichtung
DE69414742D1 (de) Verfahren zur Ansteuerung einer Flüssigkristallanzeige mit aktiver Matrix
DE69430781D1 (de) Verfahren zur Herstellung einer Flüssigkristall-Anzeigevorrichtung
DE69433928D1 (de) Verfahren zur Herstellung einer Flüssigkristallanzeigevorrichtung
KR960706154A (ko) 액정 디스플레이 장치의 구동 방법(driving method for a liquid crystal display device)
DE69635399D1 (de) Verfahren und einrichtung zum steuern einer flüssigkristallanzeige
DE69633378D1 (de) Verfahren zur Herstellung einer Flüssigkristallanzeigevorrichtung
DE69625052T2 (de) Verfahren zur herstellung einer flüssigkristall-anzeige
DE69415486D1 (de) Verfahren zum wechselstromtreiben einer flüssigkeitskristallanzeige und anzeige dafür
DE68925468D1 (de) Ansteuerungsverfahren einer mehrschichtigen Flüssigkristall-Anzeigevorrichtung
DE69411440T2 (de) Ansteuerungsverfahren für eine Flüssigkristall-Vorrichtung
DE69129577T2 (de) Verfahren zur Inspektion einer Flüssigkristalltafel
DE3877588D1 (de) Verfahren zur ausbildung von farbzonen in einer fluessigkristall-anzeigevorrichtung.
DE69704607D1 (de) Verfahren zur ansteuerung einer flüssigkristall-anzeigevorrichtung
DE69331812T2 (de) Verfahren zur Multiplexsteuerung einer elektrooptischen Matrix-Flüssigkristallvorrichtung
DE69523601T2 (de) Verfahren zur optimierten adressierung einer flüssigkristallanzeigetafel
DE3853998T2 (de) Verfahren und schaltung zur löschung einer flüssigkeitskristallanzeige.
DE69226137D1 (de) Verfahren zum Steuern einer ferroelektrischen Flüssigkristall- Anzeigevorrichtung
DE69518948D1 (de) Ferroelektrische Flüssigkristallanzeigevorrichtung und Ansteuerungsverfahren zur Durchführung einer abgestufften Anzeige
DE69415181D1 (de) Verfahren zur Steuerung einer Flüssigkristallanzeigevorrichtung
DE68920002D1 (de) Verfahren zur Steuerung einer ferroelektrischen Flüssigkristallanzeigetafel.
DE68907663T2 (de) Verfahren und Vorrichtung zur Hinterbeleuchtung einer Matrix-Flüssigkristallanzeige.
DE69311058D1 (de) Verfahren zur Steuerung einer ferroelektrischen Flüssigkristallanzeigetafel
DE69629073D1 (de) Verfahren zur Ansteuerung einer Plasma-adressierten Anzeigetafel

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee