DE3478513D1 - Low birefringence encapsulated liquid crystal and optical shutter using same - Google Patents

Low birefringence encapsulated liquid crystal and optical shutter using same

Info

Publication number
DE3478513D1
DE3478513D1 DE8484301910T DE3478513T DE3478513D1 DE 3478513 D1 DE3478513 D1 DE 3478513D1 DE 8484301910 T DE8484301910 T DE 8484301910T DE 3478513 T DE3478513 T DE 3478513T DE 3478513 D1 DE3478513 D1 DE 3478513D1
Authority
DE
Germany
Prior art keywords
liquid crystal
optical shutter
same
low birefringence
encapsulated liquid
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
Application number
DE8484301910T
Other languages
English (en)
Inventor
James Lee Fergason
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.)
Manchester R&D Partnership
Original Assignee
Manchester R&D Partnership
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 Manchester R&D Partnership filed Critical Manchester R&D Partnership
Application granted granted Critical
Publication of DE3478513D1 publication Critical patent/DE3478513D1/de
Expired 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
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
DE8484301910T 1983-03-21 1984-03-21 Low birefringence encapsulated liquid crystal and optical shutter using same Expired DE3478513D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/477,078 US4556289A (en) 1983-03-21 1983-03-21 Low birefringence encapsulated liquid crystal and optical shutter using same

Publications (1)

Publication Number Publication Date
DE3478513D1 true DE3478513D1 (en) 1989-07-06

Family

ID=23894441

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484301910T Expired DE3478513D1 (en) 1983-03-21 1984-03-21 Low birefringence encapsulated liquid crystal and optical shutter using same

Country Status (6)

Country Link
US (1) US4556289A (de)
EP (1) EP0119867B1 (de)
JP (1) JPH0762740B2 (de)
AT (1) ATE43727T1 (de)
CA (1) CA1213346A (de)
DE (1) DE3478513D1 (de)

Families Citing this family (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4707080A (en) * 1981-09-16 1987-11-17 Manchester R & D Partnership Encapsulated liquid crystal material, apparatus and method
US5089904A (en) * 1981-09-16 1992-02-18 Fergason James L Encapsulated liquid crystal material, apparatus and method
US5082351A (en) * 1981-09-16 1992-01-21 Manchester R & D Partnership Encapsulated liquid crystal material, apparatus and method
US4884873A (en) * 1981-09-16 1989-12-05 Manchester R & D Partnership Encapsulated liquid crystal material, apparatus and method having interconnected capsules
US4698668A (en) * 1982-08-30 1987-10-06 Canadian Industrial Innovation Centre/Waterloo Apparatus for influencing the presentation of visual information
US4856876A (en) * 1983-03-30 1989-08-15 Manchester R & D Partnership Fluorescent colored encapsulated liquid crystal apparatus using enhanced scattering
DE3588046T2 (de) * 1984-03-19 1996-01-11 Univ Kent State Ohio Lichtmodulierendes Material, das in einer Kunstharzmatrix dispergierte Flüssigkristalle umfasst.
US4992201A (en) * 1984-03-20 1991-02-12 Taliq Corporation Latex entrapped ncap liquid crystal composition, method and apparatus
GB8408884D0 (en) * 1984-04-06 1984-05-16 Rickson C D Light shuttering means
US4688901A (en) * 1984-06-11 1987-08-25 Johnson Light Valve Inc. Liquid crystal light valve method and apparatus using right and left-handed twist cholesteric liquid crystal
US4699470A (en) * 1984-06-12 1987-10-13 Taliq Corporation NCAP liquid crystal apparatus incorporating a control means and an electrode means thereof incorporating a circuit means
US4832458A (en) * 1984-08-28 1989-05-23 Talig Corporation Display for contrast enhancement
US4732456A (en) * 1984-08-28 1988-03-22 Taliq Corporation Scattering display for contrast enhancement including target
US5168380A (en) * 1985-03-01 1992-12-01 Manchester R & D Partnership An Ohio Limited Partnership Multiple containment mediums of operationally nematic liquid crystal responsive to a prescribed input
US5345322A (en) * 1985-03-01 1994-09-06 Manchester R&D Limited Partnership Complementary color liquid crystal display
US5208686A (en) * 1985-03-01 1993-05-04 Manchester R&D Partnership Liquid crystal color display and method
ATE154140T1 (de) * 1985-03-01 1997-06-15 Manchester R & D Partnership Flüssigkristallfarbanzeigevorrichtung und verfahren
US5142389A (en) * 1985-03-01 1992-08-25 Manchester R & D Limited Partnership Liquid crystal color display and method
US4878741A (en) * 1986-09-10 1989-11-07 Manchester R & D Partnership Liquid crystal color display and method
US4953953A (en) * 1985-03-01 1990-09-04 Manchester R & D Partnership Complementary color liquid display
US5216530A (en) * 1985-06-03 1993-06-01 Taliq Corporation Encapsulated liquid crystal having a smectic phase
US4728547A (en) * 1985-06-10 1988-03-01 General Motors Corporation Liquid crystal droplets dispersed in thin films of UV-curable polymers
US5018840A (en) * 1985-07-31 1991-05-28 Matsushita Electric Industrial Co., Ltd. Image display device having a photosetting binder
US4685771A (en) * 1985-09-17 1987-08-11 West John L Liquid crystal display material comprising a liquid crystal dispersion in a thermoplastic resin
US4671618A (en) * 1986-05-22 1987-06-09 Wu Bao Gang Liquid crystalline-plastic material having submillisecond switch times and extended memory
JPS62229116A (ja) * 1986-01-17 1987-10-07 日本板硝子株式会社 液晶パネル
US4749261A (en) * 1986-01-17 1988-06-07 Taliq Corporation Shatter-proof liquid crystal panel with infrared filtering properties
EP0236112A3 (de) * 1986-03-06 1989-08-02 Taliq Corporation Spiegel
US4791418A (en) * 1986-04-30 1988-12-13 Taliq Corporation Signal light
US4775226A (en) * 1986-06-30 1988-10-04 General Motors Corporation Method to create memory in a dispersed smectic system
US4693560A (en) * 1986-09-25 1987-09-15 Taliq Corporation Double layer display
US4869847A (en) * 1987-03-16 1989-09-26 Hoechst Celanese Corp. Microdisperse polymer/liquid crystal composite
US5009044A (en) * 1987-06-25 1991-04-23 Allied-Signal Inc. Dual-pane thermal window with liquid crystal shade
US4964251A (en) * 1987-06-25 1990-10-23 Allied-Signal Inc. Dual-pane thermal window with liquid crystal shade
US4899503A (en) * 1987-06-25 1990-02-13 Allied-Signal Inc. Dual-pane thermal window with liquid crystal shade
US4848875A (en) * 1987-06-25 1989-07-18 Allied-Signal Inc. Dual-pane thermal window with liquid crystal shade
US5025602A (en) * 1987-06-25 1991-06-25 Allied-Signal Inc. Dual-pane thermal window with liquid crystal shade
US5152111A (en) * 1987-06-25 1992-10-06 Allied-Signal Inc. Dual-pane thermal window with liquid crystal shade
US4991940A (en) * 1988-01-25 1991-02-12 Taliq Corporation Gain reflector-liquid crystal display
US5076668A (en) * 1988-01-25 1991-12-31 Taliq Corporation Gain reflector-liquid crystal display
US5206747A (en) * 1988-09-28 1993-04-27 Taliq Corporation Polymer dispersed liquid crystal display with birefringence of the liquid crystal at least 0.23
JP2851887B2 (ja) * 1988-09-28 1999-01-27 レイケム コーポレイション 液晶装置およびそれを作る方法および表示装置
US5113270A (en) * 1988-10-19 1992-05-12 Fergason James L Variable density light control apparatus
US5523863A (en) * 1988-10-19 1996-06-04 Fergason; James L. Controlled liquid crystal optical polarizer method and apparatus
JPH089603Y2 (ja) * 1988-12-08 1996-03-21 西部電機株式会社 スピンドル駆動装置の雌ねじ摩耗量検出装置
US5347383A (en) * 1989-06-12 1994-09-13 Osd Envizion Company High speed, low power driving circuit for liquid crystal shutter
US5156452A (en) * 1989-07-20 1992-10-20 Paul Drzaic Encapsulated liquid crystal apparatus having low off-axis haze and operable by a sine-wave power source
US5103336A (en) * 1989-09-25 1992-04-07 General Electric Company Multilayered security window structure
US5030005A (en) * 1989-11-29 1991-07-09 Akzo N.V. Liquid crystal device for calibration and testing of optical instruments
US5074647A (en) * 1989-12-07 1991-12-24 Optical Shields, Inc. Liquid crystal lens assembly for eye protection
JPH03192324A (ja) * 1989-12-22 1991-08-22 Matsushita Electric Ind Co Ltd ポリマー分散型液晶表示装置
JPH063528B2 (ja) * 1990-03-16 1994-01-12 富士ゼロックス株式会社 光変調表示素子及び表示方法
EP0468529B1 (de) * 1990-07-26 1995-01-25 Asahi Glass Company Ltd. Flüssigkristallanzeigeelement sowie Flüssigkristall-Projektionsanzeigevorrichtung mit einer aktiven Matrix
US5552916A (en) * 1990-09-07 1996-09-03 Displaytech, Inc. Diffractive light modulator
US5182665A (en) * 1990-09-07 1993-01-26 Displaytech, Inc. Diffractive light modulator
JPH04199024A (ja) * 1990-11-29 1992-07-20 Hitachi Ltd 液晶表示素子およびそれを用いた表示装置
US5867238A (en) * 1991-01-11 1999-02-02 Minnesota Mining And Manufacturing Company Polymer-dispersed liquid crystal device having an ultraviolet-polymerizable matrix and a variable optical transmission and a method for preparing same
US5208688A (en) * 1991-02-08 1993-05-04 Osd Envizion Company Eye protection device for welding helmets
US5252817A (en) * 1991-03-25 1993-10-12 Osd Envizion Company Detector system for detecting the occurrence of welding using detector feedback
EP0643620B1 (de) * 1991-10-04 1999-07-21 Gs Development Ab Teilchen, methode zur herstellung der teilchen und deren verwendung
WO1993006921A1 (en) * 1991-10-04 1993-04-15 Gs Biochem Ab Particles, method of preparing said particles and uses thereof
JP3049875B2 (ja) * 1991-10-18 2000-06-05 日本板硝子株式会社 液晶素子
US5264950A (en) * 1992-01-06 1993-11-23 Kent State University Light modulating device with polarizer and liquid crystal interspersed as spherical or randomly distorted droplets in isotropic polymer
DE4207076C2 (de) * 1992-03-06 1996-12-19 Daimler Benz Aerospace Airbus Vorrichtung zur Helligkeitseinstellung bei einer Leuchtstoffröhre mittels eines elektrisch ansteuerbaren Flüssigkristallelements
US5289301A (en) * 1992-06-12 1994-02-22 Boit, Inc. Liquid crystal color modulation displays with dyes of different orders and circuitry for providing modulated AC excitation voltage
US5641426A (en) * 1994-04-29 1997-06-24 Minnesota Mining And Manufacturing Company Light modulating device having a vinyl ether-based matrix
JPH09512580A (ja) * 1994-04-29 1997-12-16 ミネソタ マイニング アンド マニュファクチャリング カンパニー 酸性反応体から製造されたマトリックスを有する光変調素子
US6545653B1 (en) 1994-07-14 2003-04-08 Matsushita Electric Industrial Co., Ltd. Method and device for displaying image signals and viewfinder
US5835174A (en) * 1995-10-12 1998-11-10 Rohm And Haas Company Droplets and particles containing liquid crystal and films and apparatus containing the same
US6271898B1 (en) 1996-09-19 2001-08-07 Rohm And Haas Company Particles and droplets containing liquid domains and method for forming in an aqueous medium
WO1998044382A1 (en) 1997-03-28 1998-10-08 Fergason James L Microencapsulated liquid crystal and a method and system for using same
US6623068B2 (en) * 1998-06-18 2003-09-23 Alcan Technology & Management Ag Roof unit and basic structure of a road-bound vehicle
WO2000060409A1 (fr) * 1999-04-02 2000-10-12 Nippon Sheet Glass Co., Ltd. Gradateur a cristaux liquides
US6692646B2 (en) * 2000-08-29 2004-02-17 Display Science, Inc. Method of manufacturing a light modulating capacitor array and product
US6724015B2 (en) * 2001-04-09 2004-04-20 Corona Optical Systems, Inc. Optical attenuating underchip encapsulant
US6841772B1 (en) * 2001-05-05 2005-01-11 Jackson Products, Inc. Eye-protection device having dual high voltage switching
US6881939B1 (en) 2001-05-05 2005-04-19 Jackson Products, Inc. Microprocessor based automatically dimmable eye protection device
US7352428B2 (en) * 2003-02-21 2008-04-01 Xtellus Inc. Liquid crystal cell platform
US6943768B2 (en) * 2003-02-21 2005-09-13 Xtellus Inc. Thermal control system for liquid crystal cell
US7009680B2 (en) * 2003-06-02 2006-03-07 Xtellus Inc. Narrow band tunable filter with integrated detector
US7355671B2 (en) * 2003-02-21 2008-04-08 Xtellus Inc. Fabrication method for liquid crystal cell
US20060007386A1 (en) * 2003-02-21 2006-01-12 Extellus Usa Flat top tunable filter with integrated detector
US7026593B2 (en) * 2003-08-11 2006-04-11 Jackson Products, Inc. Eye-protection device having dual high voltage switching
US20060055927A1 (en) * 2004-09-16 2006-03-16 Rosemount Analytical Inc. Turbidity sensor
US20060061765A1 (en) * 2004-09-16 2006-03-23 Behzad Rezvani Turbidity sensor with improved noise rejection
US7477330B2 (en) * 2005-03-09 2009-01-13 3M Innovative Properties Company Automatic darkening filter with offset polarizers
US20060285330A1 (en) * 2005-06-20 2006-12-21 Ingvar Sundell Automatic darkening filter with automatic power management
US7637622B2 (en) * 2005-10-11 2009-12-29 3M Innovative Properties Company Control of an automatic darkening filter
US20100315568A1 (en) * 2009-06-16 2010-12-16 Kent State University Liquid crystal devices and methods providing fast switching mode
KR101732786B1 (ko) * 2014-02-26 2017-05-24 주식회사 엘지화학 액정 캡슐의 제조 방법
US9956118B2 (en) 2014-09-15 2018-05-01 3M Innovative Properties Company Personal protective system tool communication adapter
JP7329229B2 (ja) * 2017-02-06 2023-08-18 国立大学法人 東京大学 温度応答性色材

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551026A (en) * 1965-04-26 1970-12-29 Rca Corp Control of optical properties of materials with liquid crystals
US3650603A (en) * 1967-12-05 1972-03-21 Rca Corp Liquid crystal light valve containing a mixture of nematic and cholesteric materials in which the light scattering effect is reduced when an electric field is applied
IL31012A (en) * 1967-12-13 1974-09-10 Rca Corp Liquid crystal display element having storage capability
US3600060A (en) * 1968-02-23 1971-08-17 Ncr Co Display device containing minute droplets of cholesteric liquid crystals in a substantially continuous polymeric matrix
US3720623A (en) * 1971-02-08 1973-03-13 Ncr Encapsulated liquid crystals
AU4208972A (en) * 1971-05-15 1973-11-15 Amalgamated Wireless (Australasia) Limited Improvements in or relating to electro-optical display devices
US3694053A (en) * 1971-06-22 1972-09-26 Bell Telephone Labor Inc Nematic liquid crystal device
JPS5031845A (de) * 1973-07-20 1975-03-28
US3947183A (en) * 1974-09-25 1976-03-30 Xerox Corporation Liquid crystal display system
JPS5335685A (en) * 1976-09-16 1978-04-03 Mitsubishi Electric Corp Liquid crystal composition
GB1549584A (en) * 1978-03-02 1979-08-08 Standard Telephones Cables Ltd Temperature responsive device
JPS5714822A (en) * 1980-07-02 1982-01-26 Asahi Glass Co Ltd Liquid crystal display device
US4435047A (en) * 1981-09-16 1984-03-06 Manchester R & D Partnership Encapsulated liquid crystal and method
JPH0699365B2 (ja) * 1989-07-21 1994-12-07 株式会社日本触媒 アクリル酸エステルの製造法

Also Published As

Publication number Publication date
US4556289A (en) 1985-12-03
ATE43727T1 (de) 1989-06-15
JPH0762740B2 (ja) 1995-07-05
EP0119867A1 (de) 1984-09-26
CA1213346A (en) 1986-10-28
EP0119867B1 (de) 1989-05-31
JPS59178429A (ja) 1984-10-09

Similar Documents

Publication Publication Date Title
DE3478513D1 (en) Low birefringence encapsulated liquid crystal and optical shutter using same
DE3064522D1 (en) Anisotropic compounds with negative or positive direct anisotropy and limited optical anisotropy, and liquid crystal mixtures containing them
AU3508589A (en) Encapsulated liquid crystal material, apparatus and method
ES556308A0 (es) Procedimiento para encapsular cristales liquidos que presentan una fase esmectica
JPS55123673A (en) Liquid crystal color display device
JPS52113758A (en) Electro-optical device
JPS5755984A (en) Liquid crystal composition
GB2169092B (en) Liquid crystal display devices
ATE166468T1 (de) Anzeigevorrichtung mit elektrooptischem lichtstreuendem element
EP0115683A3 (de) Stoffzusammensetzung, enthaltend isotrope Farbstoffe der substituierten Anthrachinonreihe für Flüssigkristall-Anzeigevorrichtungen
GB2023301A (en) Colour polarizing film containing a dichroic dye, especially for use with liquid crystal display devices
GB2019026A (en) Liquid Crystal Display Device
JPS524248A (en) Liquid crystal glasses
JPS5667725A (en) Ultraviolet-ray monitor
JPS57160668A (en) Printing device
JPS5663242A (en) Standard sample for moisture meter by infrared ray
JPS5784429A (en) Liquid crystal display device
JPS5352140A (en) Liquid crystal display device
JPS5643386A (en) Liquid crystal composition and liquid crystal display element using the same
GB1546024A (en) Q-switched laser device
JPS51146247A (en) Glasses
JPS54155063A (en) Photo-variable attenuator
JPS57177124A (en) Color liquid crystal display device
JPS55164810A (en) Light modulator
JPS54152495A (en) Photo element

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: MANCHESTER R & D LTD. PARTNERSHIP, PEPPER PIKE, OH

8328 Change in the person/name/address of the agent

Free format text: WEBER, D., DIPL.-CHEM. DR.RER.NAT. SEIFFERT, K., DIPL.-PHYS. LIEKE, W., DIPL.-PHYS. DR.RER.NAT., PAT.-ANWAELTE, 65189 WIESBADEN