DE68917914D1 - Licht modulierende materialien enthaltend flüssigkristallmikrotröpfen dispergiert in einer polymermatritze. - Google Patents

Licht modulierende materialien enthaltend flüssigkristallmikrotröpfen dispergiert in einer polymermatritze.

Info

Publication number: DE68917914D1
Authority: DE; Germany
Prior art keywords: dispersed; light; liquid crystal; containing liquid; materials containing
Prior art date: 1988-04-11
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

DE68917914T

Other languages

English (en)

Other versions

DE68917914T2 (de

Inventor

Joseph Doane

John West

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.)

Kent State University

Original Assignee

Kent State University

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.)

1988-04-11

Filing date

1989-04-07

Publication date

1994-10-06

1989-03-20 Priority claimed from US07/324,051 external-priority patent/US4994204A/en

1989-04-07 Application filed by Kent State University filed Critical Kent State University

1994-10-06 Publication of DE68917914D1 publication Critical patent/DE68917914D1/de

1995-04-13 Application granted granted Critical

1995-04-13 Publication of DE68917914T2 publication Critical patent/DE68917914T2/de

2009-04-08 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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)
Engineering & Computer Science (AREA)
Organic Chemistry (AREA)
Nonlinear Science (AREA)
Materials Engineering (AREA)
Mathematical Physics (AREA)
Optics & Photonics (AREA)
General Physics & Mathematics (AREA)
Dispersion Chemistry (AREA)
Liquid Crystal (AREA)
Liquid Crystal Substances (AREA)

DE68917914T 1988-04-11 1989-04-07 Licht modulierende materialien enthaltend flüssigkristallmikrotröpfen dispergiert in einer polymermatritze. Expired - Fee Related DE68917914T2 (de)

Applications Claiming Priority (4)

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
PCT/US1989/001446 WO1989009807A1 (en)	1988-04-11	1989-04-07	Light modulating materials comprising liquid crystal microdroplets dispersed in a birefringent polymeric matrix

Publications (2)

Publication Number	Publication Date
DE68917914D1 true DE68917914D1 (de)	1994-10-06
DE68917914T2 DE68917914T2 (de)	1995-04-13

Family

ID=27391238

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE68917914T Expired - Fee Related DE68917914T2 (de)	1988-04-11	1989-04-07	Licht modulierende materialien enthaltend flüssigkristallmikrotröpfen dispergiert in einer polymermatritze.

Country Status (12)

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

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
EP0484972B1 (de) *	1990-11-09	1997-03-12	Canon Kabushiki Kaisha	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
DE69229298T2 (de) *	1991-03-12	2000-02-03	Fujitsu Ltd., Kawasaki	Flüssigkristallanzeigevorrichtung
EP0506176B1 (de) *	1991-03-26	1996-02-07	Koninklijke Philips Electronics N.V.	Lichtstreuelement
EP0540353B1 (de) *	1991-10-30	2001-12-12	Sharp Kabushiki Kaisha	Flüssigkristallanzeige
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
ATE179259T1 (de) *	1992-05-18	1999-05-15	Univ Kent State Ohio	Flüssigkristalline, lichtmodulierende vorrichtung und material
EP0590376A1 (de) *	1992-09-19	1994-04-06	MERCK PATENT GmbH	Polymere Verbundmaterial
KR100257886B1 (ko) *	1993-01-29	2000-06-01	손욱	고분자 액정 복합체
EP0643318B1 (de) *	1993-03-29	2003-01-02	Seiko Epson Corporation	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
US6429914B1 (en)	1997-12-17	2002-08-06	Matsushita Electric Industrial Co., Ltd.	Polymer dispersion type liquid crystal display panel and its manufacturing method
US6618104B1 (en) *	1998-07-28	2003-09-09	Nippon Telegraph And Telephone Corporation	Optical device having reverse mode holographic PDLC and front light guide
EP1453935B1 (de) *	2001-12-13	2006-06-21	Sony Deutschland GmbH	Verfahren zur herstellung eines verbundes
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
US20100103335A1 (en) *	2007-03-13	2010-04-29	Cees Bastiaansen	Polarization selective scattering security device and method for manufacturing the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1985004262A1 (en) *	1984-03-19	1985-09-26	Kent State University	Light modulating material comprising a liquid crystal dispersion in a synthetic resin matrix
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

1988
- 1988-12-19 CA CA000586358A patent/CA1318045C/en not_active Expired - Fee Related
1989
- 1989-03-29 IL IL89783A patent/IL89783A/xx unknown
- 1989-04-07 NZ NZ228662A patent/NZ228662A/en unknown
- 1989-04-07 JP JP1505013A patent/JP2810742B2/ja not_active Expired - Lifetime
- 1989-04-07 DE DE68917914T patent/DE68917914T2/de not_active Expired - Fee Related
- 1989-04-07 EP EP89905277A patent/EP0400098B1/de not_active Expired - Lifetime
- 1989-04-07 AU AU35376/89A patent/AU3537689A/en not_active Abandoned
- 1989-04-07 WO PCT/US1989/001446 patent/WO1989009807A1/en active IP Right Grant
- 1989-04-10 IE IE891139A patent/IE891139L/xx unknown
- 1989-04-11 MX MX015612A patent/MX167242B/es unknown
- 1989-04-11 ES ES8901254A patent/ES2010916A6/es not_active Expired
- 1989-04-11 YU YU72889A patent/YU47067B/sh unknown

Also Published As

Publication number	Publication date
ES2010916A6 (es)	1989-12-01
EP0400098A4 (en)	1992-01-15
YU47067B (sh)	1994-12-28
CA1318045C (en)	1993-05-18
JPH02503963A (ja)	1990-11-15
DE68917914T2 (de)	1995-04-13
JP2810742B2 (ja)	1998-10-15
IL89783A (en)	1992-08-18
IE891139L (en)	1989-10-11
AU3537689A (en)	1989-11-03
EP0400098B1 (de)	1994-08-31
MX167242B (es)	1993-03-11
WO1989009807A1 (en)	1989-10-19
IL89783A0 (en)	1989-09-28
EP0400098A1 (de)	1990-12-05
YU72889A (en)	1991-01-28
NZ228662A (en)	1991-05-28

Publication	Publication Date	Title
DE68917914D1 (de)	1994-10-06	Licht modulierende materialien enthaltend flüssigkristallmikrotröpfen dispergiert in einer polymermatritze.
DE68929562D1 (de)	2008-11-06	Flüssigkristall-Anzeigevorrichtung
DE3877194D1 (de)	1993-02-11	Dispersion von fluessigkristalltropfen in einer photopolymermatritze und vorrichtung dazu.
DE68921591D1 (de)	1995-04-13	Flüssigkristall-Anzeigevorrichtung.
DE68915325D1 (de)	1994-06-23	Flüssigkristallanzeigevorrichtung.
DE68906608D1 (de)	1993-06-24	Fluessigkristall-anzeigevorrichtung.
DE68914860D1 (de)	1994-06-01	Flüssigkristall-Anzeigevorrichtung.
DE68924212D1 (de)	1995-10-19	Flüssigkristall-Anzeigevorrichtung.
DE68915947D1 (de)	1994-07-14	Flüssigkristall-Anzeigevorrichtung.
KR900700577A (ko)	1990-08-16	복굴절 중합체 매트릭스에 분산된 액정 미적을 포함하는 광변조 물질
EP0180592A4 (de)	1988-06-08	Lichtmodulierendes material, das eine flüssigkristalldispersion in einer kunststoffharzmatrize enthält.
DE68923929D1 (de)	1995-09-28	Flüssigkristall-Anzeige.
DE68924823D1 (de)	1995-12-21	Flüssigkristall-Anzeigevorrichtung.
DE68924766D1 (de)	1995-12-14	Flüssigkristall-Anzeigevorrichtung.
DE68917704D1 (de)	1994-09-29	Flüssigkristall-Anzeigevorrichtung.
DE68922322D1 (de)	1995-06-01	Flüssigkristall-Anzeigevorrichtung.
DE68920498D1 (de)	1995-02-23	Flüssigkristall-Anzeigevorrichtung.
DE3886198D1 (de)	1994-01-20	Flüssigkristall-Anzeigevorrichtung.
DE3852720D1 (de)	1995-02-23	Flüssigkristall-Anzeigevorrichtung mit einer Farbfilterschicht.
DE68929393D1 (de)	2002-05-23	Flüssigkristallvorrichtung
DE68924726D1 (de)	1995-12-14	Flüssigkristall-Anzeigevorrichtung.
DE68915257D1 (de)	1994-06-16	Flüssigkristallanzeige.
DE68919926D1 (de)	1995-01-26	Flüssigkristall-Anzeigevorrichtung.
DE68906209D1 (de)	1993-06-03	Riesige fluessigkristallanzeigevorrichtung.
DE68923327D1 (de)	1995-08-10	Flüssigkristallanzeigegerät.

Legal Events

Date	Code	Title	Description
1995-09-28	8364	No opposition during term of opposition
2000-06-08	8339	Ceased/non-payment of the annual fee