DE3787279D1 - Vorrichtungen mit einem smektischen flüssigkristall. - Google Patents

Vorrichtungen mit einem smektischen flüssigkristall.

Info

Publication number
DE3787279D1
DE3787279D1 DE87902581T DE3787279T DE3787279D1 DE 3787279 D1 DE3787279 D1 DE 3787279D1 DE 87902581 T DE87902581 T DE 87902581T DE 3787279 T DE3787279 T DE 3787279T DE 3787279 D1 DE3787279 D1 DE 3787279D1
Authority
DE
Germany
Prior art keywords
devices
liquid crystal
smect liquid
smect
crystal
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
DE87902581T
Other languages
English (en)
Other versions
DE3787279T2 (de
Inventor
Madeline Bradshaw
Edward Raynes
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.)
Qinetiq Ltd
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of DE3787279D1 publication Critical patent/DE3787279D1/de
Application granted granted Critical
Publication of DE3787279T2 publication Critical patent/DE3787279T2/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
    • 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
DE87902581T 1986-04-03 1987-04-01 Vorrichtungen mit einem smektischen flüssigkristall. Expired - Fee Related DE3787279T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868608115A GB8608115D0 (en) 1986-04-03 1986-04-03 Smectic liquid crystal devices

Publications (2)

Publication Number Publication Date
DE3787279D1 true DE3787279D1 (de) 1993-10-07
DE3787279T2 DE3787279T2 (de) 1994-01-27

Family

ID=10595594

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87902581T Expired - Fee Related DE3787279T2 (de) 1986-04-03 1987-04-01 Vorrichtungen mit einem smektischen flüssigkristall.

Country Status (10)

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

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
US5676880A (en) * 1987-09-18 1997-10-14 Rolic Ag Ferroelectric liquid crystal cell
DE3876059D1 (de) 1987-09-18 1992-12-24 Hoffmann La Roche Ferroelektrische fluessigkristallzelle.
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
DE69823875T2 (de) 1997-10-08 2005-04-21 Hewlett Packard Co Orientierungsverfahren für flüssigkristallvorrichtung und verfahren zur herstellung dieser vorrichtung
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
CN102460238A (zh) 2009-04-10 2012-05-16 雷文布里克有限责任公司 结合有宾主型结构的热切换滤光器

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
JPS62143030A (ja) * 1985-12-17 1987-06-26 Matsushita Electric Ind Co Ltd 強誘電性液晶表示装置
JPS62141093A (ja) * 1985-12-17 1987-06-24 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
MY101914A (en) 1992-02-15
EP0301020B1 (de) 1993-09-01
HK148594A (en) 1995-01-06
JPH01500855A (ja) 1989-03-23
GB8608115D0 (en) 1986-05-08
GB8823118D0 (en) 1988-11-30
GB2210468A (en) 1989-06-07
JPH08101368A (ja) 1996-04-16
WO1987006021A1 (en) 1987-10-08
EP0301020A1 (de) 1989-02-01
KR0141983B1 (ko) 1998-06-15
JP2804908B2 (ja) 1998-09-30
US4969719A (en) 1990-11-13
CA1281404C (en) 1991-03-12
GB2210468B (en) 1990-07-25
KR880701394A (ko) 1988-07-26
DE3787279T2 (de) 1994-01-27
JP2575768B2 (ja) 1997-01-29

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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: QINETIQ LTD., LONDON, GB

8339 Ceased/non-payment of the annual fee