IL89783A - Light modulating materials comprising liquid crystal microdroplets dispersed in a birefringent polymeric matrix - Google Patents

Light modulating materials comprising liquid crystal microdroplets dispersed in a birefringent polymeric matrix

Info

Publication number
IL89783A
IL89783A IL89783A IL8978389A IL89783A IL 89783 A IL89783 A IL 89783A IL 89783 A IL89783 A IL 89783A IL 8978389 A IL8978389 A IL 8978389A IL 89783 A IL89783 A IL 89783A
Authority
IL
Israel
Prior art keywords
liquid crystal
polymeric matrix
light modulating
modulating materials
crystal microdroplets
Prior art date
Application number
IL89783A
Other languages
English (en)
Other versions
IL89783A0 (en
Original Assignee
Univ Kent State Ohio
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
Priority claimed from US07/324,051 external-priority patent/US4994204A/en
Application filed by Univ Kent State Ohio filed Critical Univ Kent State Ohio
Publication of IL89783A0 publication Critical patent/IL89783A0/xx
Publication of IL89783A publication Critical patent/IL89783A/xx

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
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/38—Polymers
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Dispersion Chemistry (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
IL89783A 1988-04-11 1989-03-29 Light modulating materials comprising liquid crystal microdroplets dispersed in a birefringent polymeric matrix IL89783A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18021588A 1988-04-11 1988-04-11
US26723288A 1988-11-04 1988-11-04
US07/324,051 US4994204A (en) 1988-11-04 1989-03-20 Light modulating materials comprising a liquid crystal phase dispersed in a birefringent polymeric phase

Publications (2)

Publication Number Publication Date
IL89783A0 IL89783A0 (en) 1989-09-28
IL89783A true IL89783A (en) 1992-08-18

Family

ID=27391238

Family Applications (1)

Application Number Title Priority Date Filing Date
IL89783A IL89783A (en) 1988-04-11 1989-03-29 Light modulating materials comprising liquid crystal microdroplets dispersed in a birefringent polymeric matrix

Country Status (12)

Country Link
EP (1) EP0400098B1 (xx)
JP (1) JP2810742B2 (xx)
AU (1) AU3537689A (xx)
CA (1) CA1318045C (xx)
DE (1) DE68917914T2 (xx)
ES (1) ES2010916A6 (xx)
IE (1) IE891139L (xx)
IL (1) IL89783A (xx)
MX (1) MX167242B (xx)
NZ (1) NZ228662A (xx)
WO (1) WO1989009807A1 (xx)
YU (1) YU47067B (xx)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3919942A1 (de) * 1989-06-19 1990-12-20 Merck Patent Gmbh Elektrooptisches fluessigkristallsystem
US5056898A (en) * 1989-07-17 1991-10-15 Polytronix, Inc. Reverse mode microdroplet liquid crystal light shutter displays
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
ATE150069T1 (de) * 1990-11-09 1997-03-15 Canon Kk Flüssigkristallvorrichtung, anzeigegerät und anzeigemethode
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
DE69232644T2 (de) * 1991-03-12 2002-10-02 Fujitsu Ltd Flussigkristall-Anzeigevorrichtung
DE69208125T2 (de) * 1991-03-26 1996-08-29 Philips Electronics Nv Lichtstreuelement
EP0540353B1 (en) * 1991-10-30 2001-12-12 Sharp Kabushiki Kaisha Liquid crystal display
KR100231082B1 (ko) * 1991-12-09 1999-11-15 요트. 게이.아. 롤페즈 액정 재료를 포함하는 표시 장치 및 그 제조방법
US5473450A (en) * 1992-04-28 1995-12-05 Sharp Kabushiki Kaisha Liquid crystal display device with a polymer between liquid crystal regions
JP3551381B2 (ja) * 1992-05-18 2004-08-04 ケント ステイト ユニバーシティ 液晶光変調デバイスと物質
EP0590376A1 (en) * 1992-09-19 1994-04-06 MERCK PATENT GmbH Polymeric composite material
KR100257886B1 (ko) * 1993-01-29 2000-06-01 손욱 고분자 액정 복합체
DE69431941T2 (de) * 1993-03-29 2003-04-30 Seiko Epson Corp Anzeigevorrichtung und elektronischer apparat
JP3074111B2 (ja) * 1994-05-27 2000-08-07 シャープ株式会社 液晶パネル及びその製造方法
US6449024B1 (en) 1996-01-26 2002-09-10 Semiconductor Energy Laboratory Co., Inc. Liquid crystal electro-optical device utilizing a polymer with an anisotropic refractive index
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
TW466364B (en) 1997-12-17 2001-12-01 Matsushita Electric Ind Co Ltd High polymer dispersion type liquid crystal display panel and manufacturing method thereof
US6618104B1 (en) * 1998-07-28 2003-09-09 Nippon Telegraph And Telephone Corporation Optical device having reverse mode holographic PDLC and front light guide
US7528904B2 (en) * 2001-12-13 2009-05-05 Sony Deutschland Gmbh Method of forming a composite containing a matrix component and at least one liquid crystal component
US7336874B2 (en) 2003-03-28 2008-02-26 Canon Kabushiki Kaisha Display element and display device
DE102007005821B4 (de) * 2007-01-31 2013-11-14 Seereal Technologies S.A. Lichtmodulator und Verfahren zur Gewährleistung einer minimalen Amplitudenmodulation in phasenmodulierenden Lichtmodulatoren
JP2010521010A (ja) * 2007-03-13 2010-06-17 テヒニッシェ ウニヴェルシテート アイントホーフェン 偏光選択性散乱セキュリティデバイス及びその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3588046T2 (de) * 1984-03-19 1996-01-11 Univ Kent Lichtmodulierendes Material, das in einer Kunstharzmatrix dispergierte Flüssigkristalle umfasst.
US4673255A (en) * 1986-05-22 1987-06-16 John West Method of controlling microdroplet growth in polymeric dispersed liquid crystal
US4685771A (en) * 1985-09-17 1987-08-11 West John L Liquid crystal display material comprising a liquid crystal dispersion in a thermoplastic resin
JPS63243165A (ja) * 1987-03-31 1988-10-11 Nippon Telegr & Teleph Corp <Ntt> 側鎖型液晶高分子の配向方法

Also Published As

Publication number Publication date
AU3537689A (en) 1989-11-03
JPH02503963A (ja) 1990-11-15
DE68917914D1 (de) 1994-10-06
YU47067B (sh) 1994-12-28
MX167242B (es) 1993-03-11
IL89783A0 (en) 1989-09-28
YU72889A (en) 1991-01-28
EP0400098A4 (en) 1992-01-15
IE891139L (en) 1989-10-11
DE68917914T2 (de) 1995-04-13
WO1989009807A1 (en) 1989-10-19
CA1318045C (en) 1993-05-18
JP2810742B2 (ja) 1998-10-15
EP0400098A1 (en) 1990-12-05
ES2010916A6 (es) 1989-12-01
NZ228662A (en) 1991-05-28
EP0400098B1 (en) 1994-08-31

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