DE3689872T2 - Ferroelektrische Flüssigkristallvorrichtungen. - Google Patents

Ferroelektrische Flüssigkristallvorrichtungen.

Info

Publication number
DE3689872T2
DE3689872T2 DE3689872T DE3689872T DE3689872T2 DE 3689872 T2 DE3689872 T2 DE 3689872T2 DE 3689872 T DE3689872 T DE 3689872T DE 3689872 T DE3689872 T DE 3689872T DE 3689872 T2 DE3689872 T2 DE 3689872T2
Authority
DE
Germany
Prior art keywords
liquid crystal
ferroelectric liquid
crystal devices
devices
ferroelectric
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
DE3689872T
Other languages
English (en)
Other versions
DE3689872D1 (de
Inventor
Sven T Lagerwall
Gengt Stebler
Juergen Wahl
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.)
FLC INNOVATION AB, GOETEBORG, SE
Original Assignee
A RESPONSIBLILITE S T Ltee
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 A RESPONSIBLILITE S T Ltee filed Critical A RESPONSIBLILITE S T Ltee
Application granted granted Critical
Publication of DE3689872D1 publication Critical patent/DE3689872D1/de
Publication of DE3689872T2 publication Critical patent/DE3689872T2/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
    • G02F1/13725—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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • 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
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
    • 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
    • G02F2203/02—Function characteristic reflective

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
DE3689872T 1985-10-14 1986-10-14 Ferroelektrische Flüssigkristallvorrichtungen. Expired - Fee Related DE3689872T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8504762A SE8504762D0 (sv) 1985-10-14 1985-10-14 Ferroelectric liquid crystal devices

Publications (2)

Publication Number Publication Date
DE3689872D1 DE3689872D1 (de) 1994-07-07
DE3689872T2 true DE3689872T2 (de) 1994-10-20

Family

ID=20361733

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3689872T Expired - Fee Related DE3689872T2 (de) 1985-10-14 1986-10-14 Ferroelektrische Flüssigkristallvorrichtungen.

Country Status (3)

Country Link
EP (1) EP0219480B1 (de)
DE (1) DE3689872T2 (de)
SE (1) SE8504762D0 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0356458A1 (de) * 1987-04-23 1990-03-07 The Victoria University Of Manchester Ferroelektrische anordnungen mit flüssigkristallen
EP0298602A1 (de) * 1987-06-09 1989-01-11 Mitsubishi Kasei Corporation Elektro-optische Vorrichtung mit einem ferroelektrischen Flüssigkristall
EP0309774B1 (de) * 1987-09-18 1992-11-19 F. Hoffmann-La Roche Ag Ferroelektrische Flüssigkristallzelle
US5676880A (en) * 1987-09-18 1997-10-14 Rolic Ag Ferroelectric liquid crystal cell
US5033825A (en) * 1988-12-26 1991-07-23 Kabushiki Kaisha Toshiba Ferroelectric liquid crystal display device having equalizing means
US5847790A (en) * 1989-02-16 1998-12-08 S.T. Lagerwall S.A.R.L. Liquid crystal devices using a linear electro-optic effect
JPH07104506B2 (ja) * 1989-03-14 1995-11-13 スタンレー電気株式会社 強誘電性液晶パネル
US5327273A (en) * 1989-06-29 1994-07-05 Hoffmann-La Roche Inc. Bistable ferroelectric liquid crystal display cell
US5381253A (en) * 1991-11-14 1995-01-10 Board Of Regents Of University Of Colorado Chiral smectic liquid crystal optical modulators having variable retardation
JP2851906B2 (ja) * 1990-03-23 1999-01-27 キヤノン株式会社 光学変調素子及び表示装置
US5552912A (en) * 1991-11-14 1996-09-03 Board Of Regents Of The University Of Colorado Chiral smectic liquid crystal optical modulators
GB2313920A (en) * 1996-06-07 1997-12-10 Sharp Kk Diffractive spatial light modulator and display

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4946954A (de) * 1972-09-11 1974-05-07
JPS5632101A (en) * 1979-08-23 1981-04-01 Nitto Electric Ind Co Ltd Polarizing film
JPS5887538A (ja) * 1981-11-20 1983-05-25 Hitachi Ltd 液晶表示素子
JPS58173719A (ja) * 1982-04-05 1983-10-12 Hitachi Ltd 液晶表示装置
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

Also Published As

Publication number Publication date
EP0219480A2 (de) 1987-04-22
EP0219480A3 (en) 1988-10-26
EP0219480B1 (de) 1994-06-01
DE3689872D1 (de) 1994-07-07
SE8504762D0 (sv) 1985-10-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FLC INNOVATION AB, GOETEBORG, SE

8339 Ceased/non-payment of the annual fee