DE3586552T2 - Bistabile fluessigkristallspeichervorrichtung. - Google Patents

Bistabile fluessigkristallspeichervorrichtung.

Info

Publication number
DE3586552T2
DE3586552T2 DE8585107127T DE3586552T DE3586552T2 DE 3586552 T2 DE3586552 T2 DE 3586552T2 DE 8585107127 T DE8585107127 T DE 8585107127T DE 3586552 T DE3586552 T DE 3586552T DE 3586552 T2 DE3586552 T2 DE 3586552T2
Authority
DE
Germany
Prior art keywords
liquid crystal
storage device
bistable liquid
crystal storage
bistable
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
DE8585107127T
Other languages
English (en)
Other versions
DE3586552D1 (de
Inventor
Kei-Hsiung Yang
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3586552D1 publication Critical patent/DE3586552D1/de
Publication of DE3586552T2 publication Critical patent/DE3586552T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0055—Erasing
    • G11B7/00555—Erasing involving liquid crystal media
    • 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
    • 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
    • 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
    • G02F1/13781—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 using smectic 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
    • 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
    • G02F1/1391—Bistable or multi-stable liquid crystal cells
    • 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
    • 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
    • G02F1/13725—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 guest-host interaction
    • 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
    • G02F1/13756—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 the liquid crystal selectively assuming a light-scattering state

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Geometry (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
DE8585107127T 1984-06-29 1985-06-11 Bistabile fluessigkristallspeichervorrichtung. Expired - Fee Related DE3586552T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/626,161 US4617646A (en) 1984-06-29 1984-06-29 Electric field gradient excited liquid crystal cell having bistability

Publications (2)

Publication Number Publication Date
DE3586552D1 DE3586552D1 (de) 1992-10-01
DE3586552T2 true DE3586552T2 (de) 1993-04-08

Family

ID=24509212

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585107127T Expired - Fee Related DE3586552T2 (de) 1984-06-29 1985-06-11 Bistabile fluessigkristallspeichervorrichtung.

Country Status (5)

Country Link
US (1) US4617646A (de)
EP (1) EP0166288B1 (de)
JP (1) JPH0623818B2 (de)
CA (1) CA1241727A (de)
DE (1) DE3586552T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697887A (en) * 1984-04-28 1987-10-06 Canon Kabushiki Kaisha Liquid crystal device and method for driving the same using ferroelectric liquid crystal and FET's
JPS62112128A (ja) * 1985-11-11 1987-05-23 Semiconductor Energy Lab Co Ltd 液晶装置
EP0234429B1 (de) * 1986-02-17 1995-05-24 Sel Semiconductor Energy Laboratory Co., Ltd. Flüssigkristallvorrichtung mit einer Ladungs-Speicherstruktur
US4878742A (en) * 1986-08-04 1989-11-07 Canon Kabushiki Kaisha Liquid crystal optical modulator
ES2053486T3 (es) * 1986-08-25 1994-08-01 Canon Kk Dispositivo de modulacion optica.
US4773738A (en) * 1986-08-27 1988-09-27 Canon Kabushiki Kaisha Optical modulation device using ferroelectric liquid crystal and AC and DC driving voltages
JPS63168628A (ja) * 1987-01-05 1988-07-12 Semiconductor Energy Lab Co Ltd 液晶装置
JPS63168630A (ja) * 1987-01-05 1988-07-12 Semiconductor Energy Lab Co Ltd 液晶装置およびその駆動方法
US5122888A (en) * 1987-07-10 1992-06-16 Canon Kabushiki Kaisha Focusing plate having phase grating formed by using liquid crystal
JP2605723B2 (ja) * 1987-07-22 1997-04-30 日本電気株式会社 薄膜トランジスタアレー形液晶表示装置
KR910008463A (ko) * 1989-10-27 1991-05-31 로레인 제이. 프란시스 액정 셀을 사용하는 정보 기록 시스템
US5084778A (en) * 1989-12-26 1992-01-28 General Electric Company Electrode structure for removing field-induced disclination lines in a phase control type of liquid crystal device
US5274484A (en) * 1991-04-12 1993-12-28 Fujitsu Limited Gradation methods for driving phase transition liquid crystal using a holding signal
DE19824249B4 (de) * 1997-05-30 2009-10-08 Samsung Electronics Co., Ltd., Suwon Flüssigkristallanzeige
KR100254856B1 (ko) * 1997-05-30 2000-05-01 김영환 액정 표시 소자
US6704083B1 (en) * 1997-05-30 2004-03-09 Samsung Electronics, Co., Ltd. Liquid crystal display including polarizing plate having polarizing directions neither parallel nor perpendicular to average alignment direction of molecules
TW434443B (en) * 1997-05-30 2001-05-16 Samsung Electronics Co Ltd Liquid crystal display
CN1173216C (zh) * 1997-11-03 2004-10-27 三星电子株式会社 具有改变的电极排列的液晶显示器
US6147666A (en) * 1997-12-22 2000-11-14 Yaniv; Zvi Multipole liquid crystal display
GB2369233B (en) * 1997-12-29 2002-07-24 Hyundai Electronics Ind Liquid crystal display and fabrication method
TW387997B (en) * 1997-12-29 2000-04-21 Hyundai Electronics Ind Liquid crystal display and fabrication method
TW522273B (en) * 1998-08-07 2003-03-01 Matsushita Electric Ind Co Ltd Reflection type liquid crystal display element
JP2002357851A (ja) * 2001-03-30 2002-12-13 Minolta Co Ltd 液晶表示装置
JP4142019B2 (ja) * 2004-01-20 2008-08-27 シャープ株式会社 表示素子および表示装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3703331A (en) * 1971-11-26 1972-11-21 Rca Corp Liquid crystal display element having storage
JPS5749912B2 (de) * 1973-10-29 1982-10-25
DE2542189C3 (de) * 1975-09-22 1978-05-11 Siemens Ag, 1000 Berlin Und 8000 Muenchen Flüssigkristallanzeige mit bistabiler cholesterinischer Flüssigkristall-Schicht
DE2542235C3 (de) * 1975-09-22 1978-07-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Flüssigkristall-Anzeige mit bistabiler cholesterinischer Flüssigkristall-Schicht
JPS5442163A (en) * 1977-09-09 1979-04-03 Citizen Watch Co Ltd Liquid crystal display device
US4291948A (en) * 1977-11-10 1981-09-29 International Standard Electric Corporation Liquid crystal display incorporating positive and negative smectic material
FR2482345A1 (fr) * 1980-05-06 1981-11-13 Thomson Csf Cellule de visualisation a cristal liquide et dispositif de visualisation comprenant une telle cellule
JPS5790615A (en) * 1980-11-27 1982-06-05 Seiko Epson Corp Phase transfer type liquid crystal display device
JPS58176623A (ja) * 1982-04-09 1983-10-17 Hitachi Ltd 電気光学装置
US4542960A (en) * 1982-06-30 1985-09-24 International Business Machines Corporation Fringe-field switched storage-effect liquid crystal display devices
JPS5931928A (ja) * 1982-08-17 1984-02-21 Canon Inc 液晶−光学シヤツタ
JPS59111680A (ja) * 1982-12-17 1984-06-27 松下電器産業株式会社 液晶表示装置
US4602850A (en) * 1984-03-08 1986-07-29 Vidium, Inc. Light valve display having integrated driving circuits and shield electrode

Also Published As

Publication number Publication date
US4617646A (en) 1986-10-14
EP0166288B1 (de) 1992-08-26
EP0166288A3 (en) 1988-05-04
EP0166288A2 (de) 1986-01-02
DE3586552D1 (de) 1992-10-01
JPS6115127A (ja) 1986-01-23
JPH0623818B2 (ja) 1994-03-30
CA1241727A (en) 1988-09-06

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee