DE69015909T2 - Vorrichtung mit eingekapselten Flüssigkristallen mit niedriger ausseraxialer Trübung betrieben mit sinusförmiger Stromversorgung. - Google Patents

Vorrichtung mit eingekapselten Flüssigkristallen mit niedriger ausseraxialer Trübung betrieben mit sinusförmiger Stromversorgung.

Info

Publication number
DE69015909T2
DE69015909T2 DE69015909T DE69015909T DE69015909T2 DE 69015909 T2 DE69015909 T2 DE 69015909T2 DE 69015909 T DE69015909 T DE 69015909T DE 69015909 T DE69015909 T DE 69015909T DE 69015909 T2 DE69015909 T2 DE 69015909T2
Authority
DE
Germany
Prior art keywords
turbidity
operated
axis
power supply
low
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 - Lifetime
Application number
DE69015909T
Other languages
English (en)
Other versions
DE69015909D1 (de
Inventor
Paul Drzaic
Konynenburg Peter H Van
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.)
Raychem Corp
Original Assignee
Raychem Corp
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 Raychem Corp filed Critical Raychem Corp
Application granted granted Critical
Publication of DE69015909D1 publication Critical patent/DE69015909D1/de
Publication of DE69015909T2 publication Critical patent/DE69015909T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02F1/133—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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/54—Additives having no specific mesophase characterised by their chemical composition
    • C09K19/542—Macromolecular compounds
    • C09K19/544—Macromolecular compounds as dispersing or encapsulating medium around the liquid crystal
DE69015909T 1989-07-20 1990-07-03 Vorrichtung mit eingekapselten Flüssigkristallen mit niedriger ausseraxialer Trübung betrieben mit sinusförmiger Stromversorgung. Expired - Lifetime DE69015909T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/382,862 US5156452A (en) 1989-07-20 1989-07-20 Encapsulated liquid crystal apparatus having low off-axis haze and operable by a sine-wave power source

Publications (2)

Publication Number Publication Date
DE69015909D1 DE69015909D1 (de) 1995-02-23
DE69015909T2 true DE69015909T2 (de) 1995-05-18

Family

ID=23510705

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69015909T Expired - Lifetime DE69015909T2 (de) 1989-07-20 1990-07-03 Vorrichtung mit eingekapselten Flüssigkristallen mit niedriger ausseraxialer Trübung betrieben mit sinusförmiger Stromversorgung.

Country Status (5)

Country Link
US (2) US5156452A (de)
EP (1) EP0409442B1 (de)
JP (1) JPH03116019A (de)
CA (1) CA2020345C (de)
DE (1) DE69015909T2 (de)

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DE69208125T2 (de) * 1991-03-26 1996-08-29 Philips Electronics Nv Lichtstreuelement
DE69225738T2 (de) * 1991-03-27 1998-10-01 Technology Co Ag Flüssigkristallanzeigeelement und Projektionsanordnung unter Verwendung desselben
US5583672A (en) * 1991-11-13 1996-12-10 Samsung Electron Devices Co., Ltd. Process for forming liquid crystal layer of PDLCD by forming layers of polymer, liquid crystal and polymer in that order
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
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EP0659866A3 (de) * 1993-12-27 1995-09-27 Matsushita Electric Ind Co Ltd Flüssigkristallpanel, Verfahren zu dessen Herstellung und Flüssigkristallanzeigevorrichtung.
US6246456B1 (en) 1993-12-27 2001-06-12 Matsushita Electric Industrial Co., Ltd. Liquid-crystal panel of polymer dispersed type, method of manufacturing the same, and liquid-crystal display apparatus
US5828431A (en) * 1994-07-27 1998-10-27 Hitachi, Ltd. Reflective-type display device having a refractive index ratio between light scatterers and host between 1 and 1.8
GB2295397B (en) * 1994-11-25 1998-08-26 Merck Patent Gmbh Electrooptical liquid crystal system
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
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
IT1283618B1 (it) * 1996-04-19 1998-04-22 Sniaricerche S C P A Dispositivo a pellicola pdlc a grado di nebulosita' ridotta e metodo per la sua produzione
US6833217B2 (en) * 1997-12-31 2004-12-21 Duracell Inc. Battery cathode
WO2000060409A1 (fr) * 1999-04-02 2000-10-12 Nippon Sheet Glass Co., Ltd. Gradateur a cristaux liquides
US6291096B1 (en) 1999-04-16 2001-09-18 The Gillette Company Pass/fail battery indicator and tester
US6380922B1 (en) 1999-04-16 2002-04-30 The Gillette Company Electronic display
US6368705B1 (en) 1999-04-16 2002-04-09 The Gillette Company Metal-insulator-metal diodes and methods of manufacture
US6232782B1 (en) 1999-04-16 2001-05-15 The Gillette Company On cell circumferential battery indicator
US6294284B1 (en) 1999-04-16 2001-09-25 The Gillette Company Gauge effect battery tester
DE10137968A1 (de) * 2001-08-08 2003-03-06 Roehm Gmbh Depot-Polymerisationsstarter-Perlen
SG104277A1 (en) * 2001-09-24 2004-06-21 Inst Of Microelectronics Circuit for measuring changes in capacitor gap using a switched capacitor technique
US20040140997A1 (en) * 2002-11-01 2004-07-22 Gravina Craig S. Controller and removable user interface (rui) for media presentation
JP2004302192A (ja) * 2003-03-31 2004-10-28 Nippon Sheet Glass Co Ltd 調光体及び合わせガラス
JP2004325497A (ja) 2003-04-21 2004-11-18 Nippon Sheet Glass Co Ltd 調光体及び合わせガラス
US6917456B2 (en) * 2003-12-09 2005-07-12 Hewlett-Packard Development Company, L.P. Light modulator
AU2004216589B2 (en) * 2004-09-30 2011-08-25 Nippon Sheet Glass Co., Ltd Light adjuster and laminated glass
TWI305334B (en) * 2005-09-05 2009-01-11 Chunghwa Picture Tubes Ltd Method for the transition of liquid crystal display
US20070057891A1 (en) * 2005-09-09 2007-03-15 Jung-Chieh Cheng Method for the transition of liquid crystal display
US7817333B2 (en) * 2007-02-06 2010-10-19 Photon Dynamics, Inc. Modulator with improved sensitivity and life time
US7988881B2 (en) * 2008-09-30 2011-08-02 E. I. Du Pont De Nemours And Company Multilayer laminates comprising chiral nematic liquid crystals
KR101333784B1 (ko) * 2010-12-22 2013-11-29 호서대학교 산학협력단 액정 캡슐 제조 장치 및 그 방법, 그리고 액정 캡슐을 포함하는 액정 표시 장치
US8801964B2 (en) 2010-12-22 2014-08-12 Photon Dynamics, Inc. Encapsulated polymer network liquid crystal material, device and applications
EP2761360A4 (de) 2011-09-30 2015-06-10 3M Innovative Properties Co Elektronisch umschaltbare privatsphärefolien und anzeigevorrichtung damit
US9229261B2 (en) 2011-09-30 2016-01-05 3M Innovative Properties Company Electronically switchable privacy film and display device having same
FR2988865B1 (fr) * 2012-03-30 2014-04-25 Saint Gobain Alimentation d'un vitrage electrocommandable a cristaux liquides, procede d'alimentation d'un tel vitrage
FR2991064B1 (fr) 2012-05-25 2014-05-16 Saint Gobain Procede de projection ou de retroprojection sur un vitrage comprenant un element en couches transparent presentant des proprietes de reflexion diffuse
FR2991786B1 (fr) 2012-06-08 2014-06-20 Saint Gobain Ecran de projection fonctionnant en reflexion comprenant un systeme a diffusion lumineuse variable
CN102830523A (zh) * 2012-09-04 2012-12-19 苏州金科信汇光电科技有限公司 电致变色玻璃
FR3015059B1 (fr) 2013-12-12 2016-01-01 Saint Gobain Dispositif electrocommandable a proprietes optiques variables
EP2952372A1 (de) * 2014-06-04 2015-12-09 AGC Glass Europe Verglasung, die einen Flüssigkristallfilm umfasst
WO2018164282A1 (ja) * 2017-03-10 2018-09-13 大日本印刷株式会社 調光フィルム及び調光システム、調光部材
CN109709694A (zh) * 2019-02-24 2019-05-03 杭州如墨科技有限公司 一种电致变色汽车风挡玻璃装置

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US4844596A (en) * 1981-09-16 1989-07-04 Manchester R & D Partnership Aligning and distorting features in enhanced scattering voltage sensitive encapsulated liquid crystal
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US4890902A (en) * 1985-09-17 1990-01-02 Kent State University Liquid crystal light modulating materials with selectable viewing angles
US4671618A (en) * 1986-05-22 1987-06-09 Wu Bao Gang Liquid crystalline-plastic material having submillisecond switch times and extended memory
US4685771A (en) * 1985-09-17 1987-08-11 West John L Liquid crystal display material comprising a liquid crystal dispersion in a thermoplastic resin
JPS62229116A (ja) * 1986-01-17 1987-10-07 日本板硝子株式会社 液晶パネル
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IT1190508B (it) * 1986-03-24 1988-02-16 Daniele Senatore Occhiali a trasparenza regolabile
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US4944576A (en) * 1988-03-21 1990-07-31 Hughes Aircraft Company Film with partial pre-alignment of polymer dispersed liquid crystals for electro-optical devices, and method of forming the same
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CA1318045C (en) * 1988-04-11 1993-05-18 J. William Doane Low loss liquid crystal modulator for coloring and shaping a light beam

Also Published As

Publication number Publication date
JPH03116019A (ja) 1991-05-17
US5156452A (en) 1992-10-20
EP0409442B1 (de) 1995-01-11
DE69015909D1 (de) 1995-02-23
EP0409442A2 (de) 1991-01-23
CA2020345C (en) 2000-10-10
EP0409442A3 (en) 1992-01-02
US5285299A (en) 1994-02-08
CA2020345A1 (en) 1991-01-21

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