IT1297658B1 - Film elettroottico reverse mode costituito da una mutua dispersione polimeri e cristalli liquidi - Google Patents

Film elettroottico reverse mode costituito da una mutua dispersione polimeri e cristalli liquidi

Info

Publication number
IT1297658B1
IT1297658B1 IT97CZ000004A ITCZ970004A IT1297658B1 IT 1297658 B1 IT1297658 B1 IT 1297658B1 IT 97CZ000004 A IT97CZ000004 A IT 97CZ000004A IT CZ970004 A ITCZ970004 A IT CZ970004A IT 1297658 B1 IT1297658 B1 IT 1297658B1
Authority
IT
Italy
Prior art keywords
polymers
liquid crystals
reverse mode
film consisting
mutual dispersion
Prior art date
Application number
IT97CZ000004A
Other languages
English (en)
Inventor
Giuseppe Chidichimo
Giovanni Defilpo
Original Assignee
Consorzio Per Le Tecnologie Bi
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 Consorzio Per Le Tecnologie Bi filed Critical Consorzio Per Le Tecnologie Bi
Priority to IT97CZ000004A priority Critical patent/IT1297658B1/it
Publication of ITCZ970004A0 publication Critical patent/ITCZ970004A0/it
Priority to EP98929643A priority patent/EP1060227A1/en
Priority to US09/446,230 priority patent/US6383577B1/en
Priority to JP50541499A priority patent/JP2002508858A/ja
Priority to CA002290813A priority patent/CA2290813C/en
Priority to PCT/IT1998/000175 priority patent/WO1999000464A1/en
Publication of ITCZ970004A1 publication Critical patent/ITCZ970004A1/it
Application granted granted Critical
Publication of IT1297658B1 publication Critical patent/IT1297658B1/it

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
    • 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
    • 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
    • C09K2323/05—Bonding or intermediate layer characterised by chemical composition, e.g. sealant or spacer
    • 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
    • G02F1/13347—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals working in reverse mode, i.e. clear in the off-state and scattering in the on-state
IT97CZ000004A 1997-06-27 1997-06-27 Film elettroottico reverse mode costituito da una mutua dispersione polimeri e cristalli liquidi IT1297658B1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT97CZ000004A IT1297658B1 (it) 1997-06-27 1997-06-27 Film elettroottico reverse mode costituito da una mutua dispersione polimeri e cristalli liquidi
EP98929643A EP1060227A1 (en) 1997-06-27 1998-06-25 Reverse mode electro-optical film composed of one mutual dispersion of polymers and liquid crystals
US09/446,230 US6383577B1 (en) 1997-06-27 1998-06-25 Reverse mode electro-optical film composed of one mutual dispersion of polymers and liquid crystals
JP50541499A JP2002508858A (ja) 1997-06-27 1998-06-25 ポリマーおよび液晶の相互分散からなる逆モード電気光学フィルム
CA002290813A CA2290813C (en) 1997-06-27 1998-06-25 Reverse mode electro-optical film composed of one mutual dispersion of polymers and liquid crystals
PCT/IT1998/000175 WO1999000464A1 (en) 1997-06-27 1998-06-25 Reverse mode electro-optical film composed of one mutual dispersion of polymers and liquid crystals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT97CZ000004A IT1297658B1 (it) 1997-06-27 1997-06-27 Film elettroottico reverse mode costituito da una mutua dispersione polimeri e cristalli liquidi

Publications (3)

Publication Number Publication Date
ITCZ970004A0 ITCZ970004A0 (it) 1997-06-27
ITCZ970004A1 ITCZ970004A1 (it) 1998-12-27
IT1297658B1 true IT1297658B1 (it) 1999-12-20

Family

ID=11348842

Family Applications (1)

Application Number Title Priority Date Filing Date
IT97CZ000004A IT1297658B1 (it) 1997-06-27 1997-06-27 Film elettroottico reverse mode costituito da una mutua dispersione polimeri e cristalli liquidi

Country Status (6)

Country Link
US (1) US6383577B1 (it)
EP (1) EP1060227A1 (it)
JP (1) JP2002508858A (it)
CA (1) CA2290813C (it)
IT (1) IT1297658B1 (it)
WO (1) WO1999000464A1 (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7276394B2 (en) * 2001-09-20 2007-10-02 Eastman Kodak Company Large area flat image sensor assembly
US20030054583A1 (en) * 2001-09-20 2003-03-20 Eastman Kodak Company Method for producing an image sensor assembly
JP4175826B2 (ja) * 2002-04-16 2008-11-05 シャープ株式会社 液晶表示装置
US8557956B2 (en) * 2010-06-11 2013-10-15 Southwest Research Institute Aligned polymers including bonded substrates
JP5657923B2 (ja) * 2010-06-16 2015-01-21 株式会社Adeka 重合性化合物を含有する液晶組成物及び該液晶組成物を用いた液晶表示素子
DE102013101530A1 (de) 2013-02-15 2014-08-21 Osram Opto Semiconductors Gmbh Optoelektronisches Halbleiterbauteil
US9159890B2 (en) 2013-02-15 2015-10-13 Osram Opto Semiconductors Gmbh Optoelectronic semiconductor component
US11186773B2 (en) 2016-04-13 2021-11-30 Nitto Denko Corporation Liquid crystal compositions, mixtures, elements, and dimmable devices
KR20190090774A (ko) * 2016-12-06 2019-08-02 제이엔씨 주식회사 액정 복합체 및 액정 조광 소자
US20210103197A1 (en) 2018-08-06 2021-04-08 Zhejiang Jingyi New Material Technology Co., Ltd ABX3 perovskite particles and their application in reverse mode controlling photo-flux

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4435047A (en) 1981-09-16 1984-03-06 Manchester R & D Partnership Encapsulated liquid crystal and method
DE3588046T2 (de) 1984-03-19 1996-01-11 Univ Kent State Ohio Lichtmodulierendes Material, das in einer Kunstharzmatrix dispergierte Flüssigkristalle umfasst.
JPH0736352B2 (ja) * 1990-03-23 1995-04-19 住友電装株式会社 電線付端子のコネクタハウジングへの挿入方法および装置
NL9000808A (nl) * 1990-04-06 1991-11-01 Koninkl Philips Electronics Nv Vloeibaar kristallijn materiaal en beeldweergeefcel die dit materiaal bevat.
JP3060656B2 (ja) * 1990-11-26 2000-07-10 セイコーエプソン株式会社 液晶表示素子
JP2801102B2 (ja) 1991-02-01 1998-09-21 富士通株式会社 液晶表示装置
US5621552A (en) * 1991-08-29 1997-04-15 Merck Patent Gesellschaft Mit Beschrankter Haftung Electrooptical liquid crystal system containing dual frequency liquid crystal mixture
KR100257886B1 (ko) * 1993-01-29 2000-06-01 손욱 고분자 액정 복합체
JPH06240260A (ja) * 1993-02-17 1994-08-30 Dainippon Ink & Chem Inc 液晶組成物
US5585035A (en) * 1993-08-06 1996-12-17 Minnesota Mining And Manufacturing Company Light modulating device having a silicon-containing matrix
US5674576A (en) 1994-09-21 1997-10-07 Nec Corporation Liquid crystalline optical device operable at a low drive voltage
FR2724941A1 (fr) * 1994-09-22 1996-03-29 Asulab Sa Composition cristal liquide et cellules la contenant
GB2297556B (en) * 1995-01-31 1998-08-26 Merck Patent Gmbh Liquid crystalline material comprising terpenoids
IT1284619B1 (it) * 1996-04-04 1998-05-21 Mini Ricerca Scient Tecnolog Materiale composito polimero/cristallo liquido atto alla trasmissione modulata di luce e procedimento per la sua fabbricazione.
IT1287963B1 (it) 1996-10-14 1998-09-10 S P S Spa Cella elettroottica di cristallo liquido inglobato in uno strato polimerico con funzionamento reverse mode e procedimento per la

Also Published As

Publication number Publication date
ITCZ970004A1 (it) 1998-12-27
CA2290813A1 (en) 1999-01-07
CA2290813C (en) 2009-04-14
WO1999000464A1 (en) 1999-01-07
EP1060227A1 (en) 2000-12-20
US6383577B1 (en) 2002-05-07
ITCZ970004A0 (it) 1997-06-27
JP2002508858A (ja) 2002-03-19

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