GB1349921A - Light valves - Google Patents

Light valves

Info

Publication number
GB1349921A
GB1349921A GB2553671*A GB2553671A GB1349921A GB 1349921 A GB1349921 A GB 1349921A GB 2553671 A GB2553671 A GB 2553671A GB 1349921 A GB1349921 A GB 1349921A
Authority
GB
United Kingdom
Prior art keywords
laminar flow
cell
conduits
suspension
plates
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.)
Expired
Application number
GB2553671*A
Other languages
English (en)
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 GB1349921A publication Critical patent/GB1349921A/en
Expired 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)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
GB2553671*A 1970-04-01 1971-04-19 Light valves Expired GB1349921A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2554170A 1970-04-01 1970-04-01

Publications (1)

Publication Number Publication Date
GB1349921A true GB1349921A (en) 1974-04-10

Family

ID=21826680

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2553671*A Expired GB1349921A (en) 1970-04-01 1971-04-19 Light valves

Country Status (7)

Country Link
JP (1) JPS5347701B1 (pt)
BR (1) BR7101915D0 (pt)
CA (1) CA963567A (pt)
DE (1) DE2114658C3 (pt)
FR (1) FR2092580A5 (pt)
GB (1) GB1349921A (pt)
ZA (1) ZA711874B (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0343902A2 (en) * 1988-05-24 1989-11-29 THORN EMI plc Display device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3876288A (en) * 1972-09-08 1975-04-08 West Electric Co Light controlling device
US4320335A (en) * 1979-07-19 1982-03-16 Brunswick Corporation Energy regulating system
DE3049093A1 (de) * 1980-12-24 1982-07-29 SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim-Bissingen Elektrooptisches anzeigeelement und verfahren zu seiner herstellung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1963496A (en) * 1933-01-16 1934-06-19 Edwin H Land Light valve
DE1564313A1 (de) * 1966-03-11 1969-09-04 Marks Alvin Melville Elektrisch schaltbares Lichtsteuergeraet

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0343902A2 (en) * 1988-05-24 1989-11-29 THORN EMI plc Display device
EP0343902A3 (en) * 1988-05-24 1990-06-13 Thorn Emi Plc Display device
US4976516A (en) * 1988-05-24 1990-12-11 Thorn Emi Plc Display device
USRE34690E (en) * 1988-05-24 1994-08-09 Thorn Emi, Plc Display device having a reservoir and a vacuum channel for filling the display region with the liquid crystal material

Also Published As

Publication number Publication date
DE2114658B2 (de) 1981-02-19
ZA711874B (en) 1971-12-29
JPS5347701B1 (pt) 1978-12-22
CA963567A (en) 1975-02-25
DE2114658A1 (de) 1971-10-21
FR2092580A5 (pt) 1972-01-21
DE2114658C3 (de) 1981-10-15
BR7101915D0 (pt) 1973-05-03

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee