DE69802238T2 - Pdlc-zelle - Google Patents

Pdlc-zelle

Info

Publication number
DE69802238T2
DE69802238T2 DE69802238T DE69802238T DE69802238T2 DE 69802238 T2 DE69802238 T2 DE 69802238T2 DE 69802238 T DE69802238 T DE 69802238T DE 69802238 T DE69802238 T DE 69802238T DE 69802238 T2 DE69802238 T2 DE 69802238T2
Authority
DE
Germany
Prior art keywords
pdlc cell
pdlc
cell
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
DE69802238T
Other languages
English (en)
Other versions
DE69802238D1 (de
Inventor
Christoph Sebutoviez
George Kloosterboer
Johannes Touwslager
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69802238D1 publication Critical patent/DE69802238D1/de
Application granted granted Critical
Publication of DE69802238T2 publication Critical patent/DE69802238T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
DE69802238T 1997-01-28 1998-01-12 Pdlc-zelle Expired - Fee Related DE69802238T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP97200218 1997-01-28
PCT/IB1998/000033 WO1998032814A1 (en) 1997-01-28 1998-01-12 Pdlc cell

Publications (2)

Publication Number Publication Date
DE69802238D1 DE69802238D1 (de) 2001-12-06
DE69802238T2 true DE69802238T2 (de) 2002-06-27

Family

ID=8227956

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69802238T Expired - Fee Related DE69802238T2 (de) 1997-01-28 1998-01-12 Pdlc-zelle

Country Status (5)

Country Link
US (2) US6306469B1 (de)
EP (1) EP0889942B1 (de)
JP (1) JP2000508710A (de)
DE (1) DE69802238T2 (de)
WO (1) WO1998032814A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4175500B2 (ja) 2000-12-29 2008-11-05 ボード オブ リージェンツ ザ ユニヴァーシティ オブ テキサス システム ポリマー分散液晶セルを用いた放射線エネルギー検出装置及び方法
US20050156839A1 (en) * 2001-11-02 2005-07-21 Webb Homer L. Field sequential display device and methods of fabricating same
US6844904B2 (en) * 2002-12-07 2005-01-18 Cubic Corporation Fast PDLC device
JP2004279904A (ja) * 2003-03-18 2004-10-07 Fujitsu Display Technologies Corp 液晶表示装置及びその製造方法
US7876400B2 (en) 2005-10-31 2011-01-25 Hewlett-Packard Development Company, L.P. Optical modulation system
US7817333B2 (en) * 2007-02-06 2010-10-19 Photon Dynamics, Inc. Modulator with improved sensitivity and life time
US8801964B2 (en) 2010-12-22 2014-08-12 Photon Dynamics, Inc. Encapsulated polymer network liquid crystal material, device and applications
EP2541534A1 (de) * 2011-07-01 2013-01-02 Koninklijke Philips Electronics N.V. Lichtausgabevorrichtung und Herstellungsverfahren
JP2016200698A (ja) * 2015-04-09 2016-12-01 Jsr株式会社 液晶表示素子、感放射線性樹脂組成物、層間絶縁膜、層間絶縁膜の製造方法および液晶表示素子の製造方法
US11186773B2 (en) 2016-04-13 2021-11-30 Nitto Denko Corporation Liquid crystal compositions, mixtures, elements, and dimmable devices
US10509298B2 (en) 2016-08-23 2019-12-17 Roo, Inc. Optical device with electrochromic lens cap
US11451692B2 (en) 2019-10-18 2022-09-20 Roo, Inc. Systems and methods for secure video devices

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2937590B2 (ja) * 1991-11-07 1999-08-23 帝人株式会社 液晶表示膜及びその作成方法
US5359441A (en) * 1991-12-18 1994-10-25 Hitachi, Ltd. Reflection type liquid crystal display apparatus having a reflective pixel electrode with an elongated window over a photoconductive element
DE69310442T2 (de) * 1992-06-10 1997-11-06 Merck Patent Gmbh Flüssigkristallverbundschicht vom Dispersions-typ, deren Herstellungsverfahren sowie in ihr zu verwendendes Flüssigkristallmaterial
US5270843A (en) * 1992-08-31 1993-12-14 Jiansheng Wang Directly formed polymer dispersed liquid crystal light shutter displays
US5496497A (en) * 1993-03-31 1996-03-05 Ricoh Company, Ltd. Liquid crystal prepolymer composition and liquid crystal display device using the same
US5906770A (en) * 1996-02-26 1999-05-25 Lucent Technologies Inc. Polymer-dispersed liquid crystal composition
US20050200796A1 (en) * 2004-02-09 2005-09-15 Hiroki Iwanaga LED lighting apparatus

Also Published As

Publication number Publication date
US20020045014A1 (en) 2002-04-18
DE69802238D1 (de) 2001-12-06
EP0889942B1 (de) 2001-10-31
WO1998032814A1 (en) 1998-07-30
US6306469B1 (en) 2001-10-23
EP0889942A1 (de) 1999-01-13
JP2000508710A (ja) 2000-07-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee