CA2121062A1 - Light valve suspensions containing a trimellitate or trimesate and light valves containing the same - Google Patents
Light valve suspensions containing a trimellitate or trimesate and light valves containing the sameInfo
- Publication number
- CA2121062A1 CA2121062A1 CA002121062A CA2121062A CA2121062A1 CA 2121062 A1 CA2121062 A1 CA 2121062A1 CA 002121062 A CA002121062 A CA 002121062A CA 2121062 A CA2121062 A CA 2121062A CA 2121062 A1 CA2121062 A1 CA 2121062A1
- Authority
- CA
- Canada
- Prior art keywords
- light
- trimesate
- trimellitate
- light valve
- same
- 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.)
- Granted
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
- G02F1/17—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 variable-absorption elements not provided for in groups G02F1/015 - G02F1/169
- G02F1/172—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 variable-absorption elements not provided for in groups G02F1/015 - G02F1/169 based on a suspension of orientable dipolar particles, e.g. suspended particles displays
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Detergent Compositions (AREA)
- Lubricants (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Fats And Perfumes (AREA)
- Optical Communication System (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Liquid Crystal (AREA)
Abstract
A light valve suspension contains a trialkyl trimellitate and/or trimesate and is used as such as the light modulating element of a light valve or droplets thereof are distributed in a light valve film used as the light modulating element of a light valve.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/060,155 US5461506A (en) | 1991-11-01 | 1993-05-11 | Light valve suspensions containing a trimellitate or trimesate and light valves containing the same |
US060,155 | 1993-05-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2121062A1 true CA2121062A1 (en) | 1994-11-12 |
CA2121062C CA2121062C (en) | 2007-01-09 |
Family
ID=22027720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002121062A Expired - Fee Related CA2121062C (en) | 1993-05-11 | 1994-04-12 | Light valve suspensions containing a trimellitate or trimesate and light valves containing the same |
Country Status (12)
Country | Link |
---|---|
US (1) | US5461506A (en) |
EP (1) | EP0624814B1 (en) |
JP (1) | JPH06332016A (en) |
KR (1) | KR100210293B1 (en) |
AT (1) | ATE202853T1 (en) |
AU (1) | AU682845B2 (en) |
BR (1) | BR9401916A (en) |
CA (1) | CA2121062C (en) |
DE (1) | DE69427616T2 (en) |
ES (1) | ES2160611T3 (en) |
GR (1) | GR3036803T3 (en) |
PT (1) | PT624814E (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5728251A (en) * | 1995-09-27 | 1998-03-17 | Research Frontiers Inc | Light modulating film of improved UV stability for a light valve |
US6144479A (en) * | 1998-12-16 | 2000-11-07 | 3M Innovative Properties Company | Low reflectivity contrast enhancement filter |
KR100332459B1 (en) * | 1999-06-29 | 2002-04-13 | 박찬구 | A polymer film for smart window |
WO2003083560A2 (en) * | 2002-03-28 | 2003-10-09 | Kla-Tencor Technologies Corporation | Uv compatible programmable spatial filter |
US6936193B2 (en) * | 2003-04-14 | 2005-08-30 | Research Frontiers Incorporated | Suspended particle device light valve film |
US6900923B2 (en) * | 2003-06-18 | 2005-05-31 | Research Frontiers Incorporated | Siloxane matrix polymers and SPD light valve films incorporating same |
WO2005102688A2 (en) * | 2004-04-13 | 2005-11-03 | Research Frontiers Incorporated | Methods for laminating films for spd light valves and spd light valves incorporating such laminated films |
US7796322B2 (en) * | 2004-10-08 | 2010-09-14 | Massachusetts Institute Of Technology | Programmable window: a device for controlling the opacity of small-scale areas within a large scale transparent membrane |
CA2641779C (en) * | 2006-02-10 | 2014-08-05 | Sunnybrook Health Sciences Centre | X-ray light valve based digital radiographic imaging systems |
US20090241424A1 (en) * | 2008-06-06 | 2009-10-01 | Msa Aircraft Products Ltd. | Modular Window For An Aircraft Including An SPD Lens And An Opaque Shade |
US20110030290A1 (en) * | 2009-08-07 | 2011-02-10 | Slovak Steven M | Energy efficient fenestration product with suspended particle device |
KR20130090407A (en) | 2010-07-13 | 2013-08-13 | 리서치 프론티어스 인코퍼레이티드 | Spd films and light valve laminates with improved durabiltiy |
JP5842396B2 (en) * | 2011-06-15 | 2016-01-13 | 日立化成株式会社 | Light control material and light control film |
CN104885001B (en) | 2012-02-10 | 2017-03-08 | 尖端研究公司 | SPD film with dark OFF state light transmittance and brighter ON state light transmittance |
FR2987907B1 (en) | 2012-03-08 | 2014-02-21 | Saint Gobain | OPTICAL VALVE AND METHOD FOR MANUFACTURING THE SAME |
US9417471B2 (en) | 2013-04-30 | 2016-08-16 | Research Frontiers Incorporated | Method and device for protecting objects from degradation by light with suspended particle device light valves |
US10807347B2 (en) | 2016-05-03 | 2020-10-20 | Research Frontiers Incorporated | Light valve films laminated between thin glass and plastic substrates |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4442019A (en) * | 1978-05-26 | 1984-04-10 | Marks Alvin M | Electroordered dipole suspension |
US4273422A (en) * | 1978-08-10 | 1981-06-16 | Research Frontiers Incorporated | Light valve containing liquid suspension including polymer stabilizing system |
US4270841A (en) * | 1978-10-31 | 1981-06-02 | Research Frontiers Incorporated | Light valve containing suspension of perhalide of alkaloid acid salt |
US4407565A (en) * | 1981-01-16 | 1983-10-04 | Research Frontiers Incorporated | Light valve suspension containing fluorocarbon liquid |
US4430239A (en) * | 1981-10-21 | 1984-02-07 | Ferrofluidics Corporation | Ferrofluid composition and method of making and using same |
US4919521A (en) * | 1987-06-03 | 1990-04-24 | Nippon Sheet Glass Co., Ltd. | Electromagnetic device |
DE59010900D1 (en) * | 1989-12-11 | 2000-04-06 | Witco Vinyl Additives Gmbh | Beta-keto esters as stabilizers for chlorine-containing polymers |
JPH04216850A (en) * | 1990-12-17 | 1992-08-06 | Nippon Zeon Co Ltd | Polyvinyl chloride plastisol composition |
ATE230498T1 (en) * | 1991-11-01 | 2003-01-15 | Research Frontiers Inc | LIGHT VALVE WITH A FILM CONTAINING AN ENCAPSULATED LIQUID SUSPENSION AND METHOD FOR PRODUCING THIS FILM |
KR960014118B1 (en) * | 1992-01-10 | 1996-10-14 | 한국유리공업 주식회사 | Method for making film with polarized light-suspension |
-
1993
- 1993-05-11 US US08/060,155 patent/US5461506A/en not_active Expired - Lifetime
-
1994
- 1994-04-12 CA CA002121062A patent/CA2121062C/en not_active Expired - Fee Related
- 1994-04-12 AU AU59382/94A patent/AU682845B2/en not_active Ceased
- 1994-04-28 EP EP94201186A patent/EP0624814B1/en not_active Expired - Lifetime
- 1994-04-28 PT PT94201186T patent/PT624814E/en unknown
- 1994-04-28 DE DE69427616T patent/DE69427616T2/en not_active Expired - Fee Related
- 1994-04-28 AT AT94201186T patent/ATE202853T1/en not_active IP Right Cessation
- 1994-04-28 ES ES94201186T patent/ES2160611T3/en not_active Expired - Lifetime
- 1994-05-06 BR BR9401916A patent/BR9401916A/en not_active IP Right Cessation
- 1994-05-06 KR KR1019940009871A patent/KR100210293B1/en not_active IP Right Cessation
- 1994-05-09 JP JP6094637A patent/JPH06332016A/en active Pending
-
2001
- 2001-10-04 GR GR20010401666T patent/GR3036803T3/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU5938294A (en) | 1994-11-17 |
KR100210293B1 (en) | 1999-07-15 |
GR3036803T3 (en) | 2002-01-31 |
US5461506A (en) | 1995-10-24 |
CA2121062C (en) | 2007-01-09 |
ES2160611T3 (en) | 2001-11-16 |
DE69427616T2 (en) | 2002-05-08 |
DE69427616D1 (en) | 2001-08-09 |
BR9401916A (en) | 1994-12-13 |
AU682845B2 (en) | 1997-10-23 |
EP0624814A1 (en) | 1994-11-17 |
JPH06332016A (en) | 1994-12-02 |
EP0624814B1 (en) | 2001-07-04 |
PT624814E (en) | 2001-12-28 |
ATE202853T1 (en) | 2001-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed | ||
MKLA | Lapsed |
Effective date: 20110412 |