HK148594A - Smectic liquid crystal devices - Google Patents

Smectic liquid crystal devices

Info

Publication number
HK148594A
HK148594A HK148594A HK148594A HK148594A HK 148594 A HK148594 A HK 148594A HK 148594 A HK148594 A HK 148594A HK 148594 A HK148594 A HK 148594A HK 148594 A HK148594 A HK 148594A
Authority
HK
Hong Kong
Prior art keywords
liquid crystal
smectic liquid
crystal devices
devices
smectic
Prior art date
Application number
HK148594A
Other languages
English (en)
Inventor
Madeline Joan Bradshaw
Edward Peter Raynes
Original Assignee
Secr Defence Brit
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 Secr Defence Brit filed Critical Secr Defence Brit
Publication of HK148594A publication Critical patent/HK148594A/xx

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
    • 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
HK148594A 1986-04-03 1994-12-30 Smectic liquid crystal devices HK148594A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868608115A GB8608115D0 (en) 1986-04-03 1986-04-03 Smectic liquid crystal devices
PCT/GB1987/000221 WO1987006021A1 (en) 1986-04-03 1987-04-01 Smectic liquid crystal devices

Publications (1)

Publication Number Publication Date
HK148594A true HK148594A (en) 1995-01-06

Family

ID=10595594

Family Applications (1)

Application Number Title Priority Date Filing Date
HK148594A HK148594A (en) 1986-04-03 1994-12-30 Smectic liquid crystal devices

Country Status (10)

Country Link
US (1) US4969719A (ja)
EP (1) EP0301020B1 (ja)
JP (2) JP2575768B2 (ja)
KR (1) KR0141983B1 (ja)
CA (1) CA1281404C (ja)
DE (1) DE3787279T2 (ja)
GB (2) GB8608115D0 (ja)
HK (1) HK148594A (ja)
MY (1) MY101914A (ja)
WO (1) WO1987006021A1 (ja)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61249019A (ja) * 1985-04-26 1986-11-06 Canon Inc 液晶素子
GB8608114D0 (en) 1986-04-03 1986-05-08 Secr Defence Smectic liquid crystal devices
GB8608115D0 (en) * 1986-04-03 1986-05-08 Secr Defence Smectic liquid crystal devices
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
JP2566807B2 (ja) * 1987-11-11 1996-12-25 キヤノン株式会社 光学活性物質、その製造方法およびそれを含む液晶組成物
JP2610467B2 (ja) * 1987-11-12 1997-05-14 キヤノン株式会社 液晶性化合物、それを含有する液晶組成物およびそれを使用した液晶素子
GB8726996D0 (en) * 1987-11-18 1987-12-23 Secr Defence Multiplex addressing of ferro-electric liquid crystal displays
JPH01302226A (ja) * 1988-05-30 1989-12-06 Alps Electric Co Ltd 強誘電液晶素子
US5231528A (en) * 1989-06-23 1993-07-27 Hoechst Aktiengesellschaft Ferroelectric liquid crystal components having high spontaneous polarization and low helical pitch
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
GB9002105D0 (en) * 1990-01-31 1990-03-28 Stc Plc Ferro electric liquid crystal cells
JP2982330B2 (ja) * 1990-04-28 1999-11-22 ソニー株式会社 液晶表示素子
US5539555A (en) * 1990-07-20 1996-07-23 Displaytech, Inc. High contrast distorted helex effect electro-optic devices and tight ferroelectric pitch ferroelectric liquid crystal compositions useful therein
EP1046078B1 (en) 1997-10-08 2004-05-12 Hewlett-Packard Company, A Delaware Corporation Liquid crystal device alignment and method of making such a device
JP2001249364A (ja) * 1999-12-28 2001-09-14 Canon Inc 液晶素子の製造方法
JP4605978B2 (ja) * 2002-08-30 2011-01-05 富士通株式会社 液晶表示装置の製造方法
JP4266321B2 (ja) * 2003-04-18 2009-05-20 フジノン株式会社 デジタルカメラ
JP3856141B2 (ja) * 2003-12-17 2006-12-13 ソニー株式会社 レンズ鏡筒および撮像装置
FR2939916B1 (fr) * 2008-12-15 2011-04-01 Essilor Int Element optique a puissance variable
CA2760838C (en) 2009-04-10 2015-06-02 Ravenbrick, Llc Thermally switched optical filter incorporating a guest-host architecture

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2966302D1 (en) * 1978-09-13 1983-11-17 Secr Defence Brit Improvements in or relating to liquid crystal materials and devices
US4367924A (en) * 1980-01-08 1983-01-11 Clark Noel A Chiral smectic C or H liquid crystal electro-optical device
JPS58173719A (ja) * 1982-04-05 1983-10-12 Hitachi Ltd 液晶表示装置
GB2187018B (en) 1984-02-24 1988-02-10 Colin Robert Francis Hazzard or security monitoring device
FR2561657B1 (fr) * 1984-03-20 1988-02-19 Thomson Csf Procede d'obtention d'un cristal liquide smectique c chiral ferroelectrique cristal liquide obtenu par ce procede et dispositif de visualisation utilisant ce cristal liquide
US4634228A (en) * 1984-05-01 1987-01-06 Hitachi, Ltd. Ferroelectric liquid crystal cell with rubbed polyimide alignment layer
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
JPH0717904B2 (ja) * 1985-01-29 1995-03-01 旭硝子株式会社 強誘電性液晶組成物
JPS61249019A (ja) * 1985-04-26 1986-11-06 Canon Inc 液晶素子
JPH0750272B2 (ja) * 1985-05-02 1995-05-31 旭硝子株式会社 強誘電性スメクチック液晶電気光学装置の製造方法
JPS62141093A (ja) * 1985-12-17 1987-06-24 Matsushita Electric Ind Co Ltd 強誘電性液晶表示装置
JPS62143030A (ja) * 1985-12-17 1987-06-26 Matsushita Electric Ind Co Ltd 強誘電性液晶表示装置
JP2867135B2 (ja) * 1985-12-20 1999-03-08 セイコーエプソン株式会社 強誘電性液晶組成物
JPS62205190A (ja) * 1986-03-05 1987-09-09 Matsushita Electric Ind Co Ltd 液晶組成物
JPS62205189A (ja) * 1986-03-05 1987-09-09 Matsushita Electric Ind Co Ltd 液晶表示装置
GB8606338D0 (en) 1986-03-14 1986-04-23 Campbell M D Rolling apparatus
GB8608115D0 (en) * 1986-04-03 1986-05-08 Secr Defence Smectic liquid crystal devices
GB8608116D0 (en) * 1986-04-03 1986-05-08 Secr Defence Liquid crystal devices

Also Published As

Publication number Publication date
US4969719A (en) 1990-11-13
JPH08101368A (ja) 1996-04-16
DE3787279D1 (de) 1993-10-07
GB2210468B (en) 1990-07-25
JPH01500855A (ja) 1989-03-23
JP2804908B2 (ja) 1998-09-30
GB8608115D0 (en) 1986-05-08
EP0301020A1 (en) 1989-02-01
EP0301020B1 (en) 1993-09-01
CA1281404C (en) 1991-03-12
GB2210468A (en) 1989-06-07
KR0141983B1 (ko) 1998-06-15
DE3787279T2 (de) 1994-01-27
JP2575768B2 (ja) 1997-01-29
GB8823118D0 (en) 1988-11-30
MY101914A (en) 1992-02-15
KR880701394A (ko) 1988-07-26
WO1987006021A1 (en) 1987-10-08

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)