DE2217248A1 - Lichtsteuereinrichtung - Google Patents

Lichtsteuereinrichtung

Info

Publication number
DE2217248A1
DE2217248A1 DE19722217248 DE2217248A DE2217248A1 DE 2217248 A1 DE2217248 A1 DE 2217248A1 DE 19722217248 DE19722217248 DE 19722217248 DE 2217248 A DE2217248 A DE 2217248A DE 2217248 A1 DE2217248 A1 DE 2217248A1
Authority
DE
Germany
Prior art keywords
radiation
permeability
suspension
electromagnetic spectrum
transmittance
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.)
Ceased
Application number
DE19722217248
Other languages
German (de)
English (en)
Inventor
Paul Larchmont N.Y. Rosenberg (V.StA.)
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.)
Research Frontiers Inc
Original Assignee
Research Frontiers Inc
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 Research Frontiers Inc filed Critical Research Frontiers Inc
Publication of DE2217248A1 publication Critical patent/DE2217248A1/de
Ceased legal-status Critical Current

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)
  • Optical Filters (AREA)
DE19722217248 1971-04-12 1972-04-11 Lichtsteuereinrichtung Ceased DE2217248A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13320571A 1971-04-12 1971-04-12

Publications (1)

Publication Number Publication Date
DE2217248A1 true DE2217248A1 (de) 1972-11-30

Family

ID=22457478

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722217248 Ceased DE2217248A1 (de) 1971-04-12 1972-04-11 Lichtsteuereinrichtung

Country Status (10)

Country Link
US (1) US3743382A (enExample)
JP (1) JPS5632609B1 (enExample)
CA (1) CA965862A (enExample)
DE (1) DE2217248A1 (enExample)
FR (1) FR2132880B1 (enExample)
GB (1) GB1385505A (enExample)
IT (1) IT957617B (enExample)
NL (1) NL7204866A (enExample)
SE (1) SE377620B (enExample)
ZA (1) ZA722448B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19907334A1 (de) * 1999-02-20 2000-08-24 Bayer Ag Elektrochrome Gradientenblende

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5432526A (en) * 1970-12-28 1995-07-11 Hyatt; Gilbert P. Liquid crystal display having conductive cooling
US4435732A (en) 1973-06-04 1984-03-06 Hyatt Gilbert P Electro-optical illumination control system
US5398041A (en) * 1970-12-28 1995-03-14 Hyatt; Gilbert P. Colored liquid crystal display having cooling
US4672457A (en) * 1970-12-28 1987-06-09 Hyatt Gilbert P Scanner system
US4739396C1 (en) * 1970-12-28 2002-07-09 Gilbert P Hyatt Projection display system
US4164365A (en) * 1972-07-31 1979-08-14 Research Frontiers Incorporated Light valve for controlling the transmission of radiation comprising a cell and a stabilized liquid suspension
US4078856A (en) * 1976-03-17 1978-03-14 Research Frontiers Incorporated Light valve
US4273422A (en) * 1978-08-10 1981-06-16 Research Frontiers Incorporated Light valve containing liquid suspension including polymer stabilizing system
US4294518A (en) * 1978-11-30 1981-10-13 The Bendix Corporation Dual mode light valve display
DE2910952A1 (de) * 1979-03-20 1980-12-11 Siemens Ag Vorrichtung zur verbesserung der erkennbarkeit von passiven displays
DE2911087A1 (de) * 1979-03-21 1980-09-25 Siemens Ag Darstellungsverfahren und anzeigevorrichtung zur durchfuehrung dieses verfahrens
US4358743A (en) * 1980-07-09 1982-11-09 Ford Motor Company Light modulator
US4359698A (en) * 1980-07-09 1982-11-16 Ford Motor Company Reflecting type light modulator
US4639078A (en) * 1984-10-05 1987-01-27 Rockwell International Corporation Optical fiber attenuator and method of fabrication
US5150257A (en) * 1991-07-29 1992-09-22 Eaton Corporation High reliability, low intensity back lit SR and NVGC indicator assembly
EP0709713A3 (en) * 1994-10-31 1997-03-26 Fujikura Ltd Electrically controlled color display method and device
US6459418B1 (en) * 1995-07-20 2002-10-01 E Ink Corporation Displays combining active and non-active inks
BR0203010A (pt) * 2002-07-25 2004-06-01 Luiz Antonio Junior Herbst Filtro de ondas eletromagnéticas regulável
KR20070051313A (ko) * 2004-08-09 2007-05-17 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 전자 광학 부유 입자 셀, 전자 광학 부유 입자 소자, 광밸브, 매트릭스 디스플레이, 전자 광학 부유 입자 셀 동작방법, 및 드라이버
TW200835995A (en) * 2006-10-10 2008-09-01 Cbrite Inc Electro-optic display
US20100035377A1 (en) * 2006-12-22 2010-02-11 Cbrite Inc. Transfer Coating Method
US8501272B2 (en) 2006-12-22 2013-08-06 Cospheric Llc Hemispherical coating method for micro-elements

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR20394E (fr) * 1913-07-15 1917-11-28 Auguste Victor Bollard Murs destinés à s'opposer aux poussées horizontales des masses solides
US1963496A (en) * 1933-01-16 1934-06-19 Edwin H Land Light valve
US3257903A (en) * 1960-11-21 1966-06-28 Alvin M Marks Electrically responsive light controlling devices employing suspended dipole particles and shear forces
US3341274A (en) * 1964-02-04 1967-09-12 Alvin M Marks Electrically responsive light controlling device employing suspended dipole particles in a plastic film
US3322482A (en) * 1965-04-12 1967-05-30 James V Harmon Panel for controlling light transmission by the selective orientation of free particles
FR1476194A (fr) * 1965-04-26 1967-04-07 Rca Corp Procédé et dispositifs pour le contrôle des propriétés de substances mélangées avec des cristaux liquides
FR1536032A (fr) * 1967-09-06 1968-08-09 Dispositif de réglage de la lumière sensible à l'électricité
US3612657A (en) * 1970-06-22 1971-10-12 Zenith Radio Corp Light-intensity control device utilizing oriented particles suspended in a gel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19907334A1 (de) * 1999-02-20 2000-08-24 Bayer Ag Elektrochrome Gradientenblende

Also Published As

Publication number Publication date
JPS5632609B1 (enExample) 1981-07-29
ZA722448B (en) 1973-02-28
CA965862A (en) 1975-04-08
NL7204866A (enExample) 1972-10-16
SE377620B (enExample) 1975-07-14
FR2132880A1 (enExample) 1972-11-24
US3743382A (en) 1973-07-03
IT957617B (it) 1973-10-20
GB1385505A (en) 1975-02-26
FR2132880B1 (enExample) 1976-08-06

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Legal Events

Date Code Title Description
OD Request for examination
8131 Rejection