DE3684784D1 - Vorrichtung fuer submikrosekunden-elektrooptische modulation in der smektischen a-fluessigkristallphase. - Google Patents

Vorrichtung fuer submikrosekunden-elektrooptische modulation in der smektischen a-fluessigkristallphase.

Info

Publication number
DE3684784D1
DE3684784D1 DE8686850337T DE3684784T DE3684784D1 DE 3684784 D1 DE3684784 D1 DE 3684784D1 DE 8686850337 T DE8686850337 T DE 8686850337T DE 3684784 T DE3684784 T DE 3684784T DE 3684784 D1 DE3684784 D1 DE 3684784D1
Authority
DE
Germany
Prior art keywords
phase
liquid crystal
smectic
tilted
submicrosecond
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
DE8686850337T
Other languages
English (en)
Inventor
Gunnar Andersson
Ingolf Dahl
Wojciech Kuczynski
Sven Torbjoern Lagerwall
Kent Skarp
Bengt Stebler
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
LAGERWALL S T SARL
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 LAGERWALL S T SARL filed Critical LAGERWALL S T SARL
Application granted granted Critical
Publication of DE3684784D1 publication Critical patent/DE3684784D1/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
    • G02F1/1418—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 using smectic liquid crystals, e.g. based on the electroclinic effect

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
DE8686850337T 1986-10-07 1986-10-07 Vorrichtung fuer submikrosekunden-elektrooptische modulation in der smektischen a-fluessigkristallphase. Expired - Fee Related DE3684784D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP86850337A EP0263225B1 (de) 1986-10-07 1986-10-07 Vorrichtung für submikrosekunden-elektrooptische Modulation in der smektischen A-Flüssigkristallphase

Publications (1)

Publication Number Publication Date
DE3684784D1 true DE3684784D1 (de) 1992-05-14

Family

ID=8196527

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686850337T Expired - Fee Related DE3684784D1 (de) 1986-10-07 1986-10-07 Vorrichtung fuer submikrosekunden-elektrooptische modulation in der smektischen a-fluessigkristallphase.

Country Status (4)

Country Link
US (1) US4838663A (de)
EP (1) EP0263225B1 (de)
JP (1) JP2587656B2 (de)
DE (1) DE3684784D1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8608114D0 (en) * 1986-04-03 1986-05-08 Secr Defence Smectic liquid crystal devices
DE3711362A1 (de) * 1987-04-07 1988-10-27 Hoechst Ag Verwendung von chiralen (alpha)-chlorcarbonsaeureestern, prolinderivaten, oxiranen, thiiranen und (alpha)-oxypropionsaeureestern als komponenten in fluessigkristall-mischungen fuer die ausnutzung des elektroklinen effektes
DE3886087D1 (de) * 1987-04-07 1994-01-20 Hoechst Ag Verwendung von Verbindungen oder Gemischen von Verbindungen, die eine chirale, orthogonale, höher geordnete smektische Phase aufweisen, im Bereich dieser Phase als Schalt- oder Anzeigemedium.
JP2693558B2 (ja) * 1988-03-10 1997-12-24 三井石油化学工業株式会社 光変調素子
GB8812427D0 (en) * 1988-05-25 1988-06-29 Merck Patent Gmbh Electroclinic mixtures
US5082352A (en) * 1988-09-29 1992-01-21 Canon Kabushiki Kaisha Ferroelectric liquid crystal apparatus
US5033825A (en) * 1988-12-26 1991-07-23 Kabushiki Kaisha Toshiba Ferroelectric liquid crystal display device having equalizing means
US5247379A (en) * 1989-02-16 1993-09-21 S. T. Lagerwall S.A.R.L. Chiral nematic liquid crystal device with linear electroclinic effect
US5293544A (en) * 1989-03-07 1994-03-08 Canon Kabushiki Kaisha Liquid crystal apparatus including panel having plural bent layers of liquid crystal molecules
JP2623137B2 (ja) * 1989-03-07 1997-06-25 キヤノン株式会社 カイラルスメクチック液晶素子ユニットおよびカイラルスメクチック液晶パネルの支持方法
US5159475A (en) * 1989-05-25 1992-10-27 Optical Shields, Inc. High speed optical protection using smectic liquid crystal
US5327273A (en) * 1989-06-29 1994-07-05 Hoffmann-La Roche Inc. Bistable ferroelectric liquid crystal display cell
US5168381A (en) * 1989-10-30 1992-12-01 University Research Corporation Smectic liquid crystal devices using SSFLC and electroclinic effect based cells
EP0500683A4 (en) 1989-10-30 1992-09-30 University Of Colorado Foundation, Inc. Ferroelectric liquid crystal tunable filters and color generation
US5243455A (en) * 1990-05-11 1993-09-07 The University Of Colorado Foundation, Inc. Chiral smectic liquid crystal polarization interference filters
US5381253A (en) * 1991-11-14 1995-01-10 Board Of Regents Of University Of Colorado Chiral smectic liquid crystal optical modulators having variable retardation
US5231521A (en) * 1989-10-30 1993-07-27 The University Of Colorado Foundation, Inc. Chiral smectic liquid crystal polarization interference filters
US5132826A (en) * 1989-10-30 1992-07-21 The University Of Colorado Foundation, Inc. Ferroelectric liquid crystal tunable filters and color generation
GB9002105D0 (en) * 1990-01-31 1990-03-28 Stc Plc Ferro electric liquid crystal cells
US5040876A (en) * 1990-03-07 1991-08-20 Bell Communications Research, Inc. Liquid crystal light modulators with asymmetrical interfaces
JP2772582B2 (ja) * 1990-11-21 1998-07-02 キヤノン株式会社 光学変調素子
JPH05150244A (ja) * 1991-02-20 1993-06-18 Canon Inc 強誘電液晶素子
WO1993013449A1 (en) * 1991-12-26 1993-07-08 Osd Envizion Company Eye protection device for welding helmets and the like
US5606541A (en) * 1992-11-13 1997-02-25 International Business Machines Corporation Switchable filter for modulating laser intensity and reducing laser feedback in an optical disk device
DE59406390D1 (de) * 1993-05-19 1998-08-13 Rolic Ag Verfahren und Vorrichtung zur Ansteuerung von Flüssigkristallanzeigezellen
US5510914A (en) * 1993-11-15 1996-04-23 The Regents Of The University Of Colorado Smectic liquid crystal analog phase modulator
DE19624769A1 (de) * 1996-06-21 1998-01-02 Deutsche Telekom Ag Elektrooptisches Material
US6606134B1 (en) * 1997-03-11 2003-08-12 Rolic Ag Reflective ferroelectric liquid crystal display and projection system
EP0998691B1 (de) 1997-07-19 2003-10-29 Deutsche Telekom AG Anordnung zur elektrischen steuerung der intensität von unpolarisiertem licht

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1569688A (en) * 1977-11-10 1980-06-18 Standard Telephones Cables Ltd Smectic display cell
US4367924A (en) * 1980-01-08 1983-01-11 Clark Noel A Chiral smectic C or H liquid crystal electro-optical device
JPS59187324A (ja) * 1983-04-08 1984-10-24 Hitachi Ltd 光学装置
JPH0754382B2 (ja) * 1984-12-27 1995-06-07 旭硝子株式会社 液晶電気光学装置の製造方法

Also Published As

Publication number Publication date
JPS63103213A (ja) 1988-05-07
EP0263225A1 (de) 1988-04-13
EP0263225B1 (de) 1992-04-08
US4838663A (en) 1989-06-13
JP2587656B2 (ja) 1997-03-05

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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