FR2135948A5 - - Google Patents

Info

Publication number
FR2135948A5
FR2135948A5 FR7202117A FR7202117A FR2135948A5 FR 2135948 A5 FR2135948 A5 FR 2135948A5 FR 7202117 A FR7202117 A FR 7202117A FR 7202117 A FR7202117 A FR 7202117A FR 2135948 A5 FR2135948 A5 FR 2135948A5
Authority
FR
France
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
FR7202117A
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.)
INT LIQUID XTAL CO
Original Assignee
INT LIQUID XTAL CO
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 INT LIQUID XTAL CO filed Critical INT LIQUID XTAL CO
Application granted granted Critical
Publication of FR2135948A5 publication Critical patent/FR2135948A5/fr
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 
    • G02F1/13—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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1396—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
    • 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
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • 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
FR7202117A 1971-04-22 1972-01-21 Expired FR2135948A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13644171A 1971-04-22 1971-04-22

Publications (1)

Publication Number Publication Date
FR2135948A5 true FR2135948A5 (fr) 1972-12-22

Family

ID=22472872

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7202117A Expired FR2135948A5 (fr) 1971-04-22 1972-01-21

Country Status (5)

Country Link
US (1) US3731986A (fr)
CA (1) CA998154A (fr)
DE (1) DE2214891A1 (fr)
FR (1) FR2135948A5 (fr)
GB (1) GB1405291A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2177307A5 (fr) * 1972-03-17 1973-11-02 Suwa Seikosha Kk
FR2383494A1 (fr) * 1977-03-09 1978-10-06 Bannikov Vladimir Procede de fabrication de dispositifs a films de cristal liquide nematique

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US4058477A (en) * 1972-02-23 1977-11-15 Hoffmann-La Roche Inc. Liquid crystal Schiffs bases
US3927064A (en) * 1972-02-23 1975-12-16 Hoffmann La Roche Benzylidene-aminobenzonitriles
CA1002642A (en) * 1972-03-10 1976-12-28 James L. Fergason Reflection system for liquid crystal displays
US3881809A (en) * 1972-03-10 1975-05-06 Hoffmann La Roche Reflection system for liquid crystal displays
US4165923A (en) * 1972-04-10 1979-08-28 Ncr Corporation Liquid crystal alignment structure
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US4249735A (en) * 1978-06-28 1981-02-10 Eric Bromley Electronic simulated football game and method
US4241984A (en) * 1979-06-04 1980-12-30 Timex Corporation Simplified field effect, twisted nematic liquid crystal display construction
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US4493531A (en) * 1980-07-03 1985-01-15 Control Interface Company Limited Field sensitive optical displays, generation of fields therefor and scanning thereof
CH642227B (fr) * 1981-10-28 Asulab Sa Montre a dispositif d'affichage analogique dont le cadran est forme par une cellule d'affichage a cristal liquide.
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US5347383A (en) * 1989-06-12 1994-09-13 Osd Envizion Company High speed, low power driving circuit for liquid crystal shutter
US5117302A (en) * 1990-04-13 1992-05-26 Stereographics Corporation High dynamic range electro-optical shutter for steroscopic and other applications
US5208688A (en) * 1991-02-08 1993-05-04 Osd Envizion Company Eye protection device for welding helmets
US5252817A (en) * 1991-03-25 1993-10-12 Osd Envizion Company Detector system for detecting the occurrence of welding using detector feedback
US5248880A (en) * 1991-03-25 1993-09-28 Osd Envizion Company Detector system for detecting the occurrence of welding
WO1993013449A1 (fr) * 1991-12-26 1993-07-08 Osd Envizion Company Dispositif de protection des yeux pour casque de soudeur et equipement similaire
US5251048A (en) * 1992-05-18 1993-10-05 Kent State University Method and apparatus for electronic switching of a reflective color display
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US5959705A (en) * 1996-03-15 1999-09-28 Osd Envizion, Inc. Welding lens with integrated display, switching mechanism and method
US6067129A (en) * 1996-03-15 2000-05-23 Osd Envizion, Inc. Welding lens with integrated display and method
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US6081376A (en) * 1998-07-16 2000-06-27 Moxtek Reflective optical polarizer device with controlled light distribution and liquid crystal display incorporating the same
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US7477330B2 (en) * 2005-03-09 2009-01-13 3M Innovative Properties Company Automatic darkening filter with offset polarizers
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KR101186249B1 (ko) * 2005-11-02 2012-09-27 엘지디스플레이 주식회사 횡전계 방식의 액정 표시 장치
US8755113B2 (en) 2006-08-31 2014-06-17 Moxtek, Inc. Durable, inorganic, absorptive, ultra-violet, grid polarizer
US7789515B2 (en) 2007-05-17 2010-09-07 Moxtek, Inc. Projection device with a folded optical path and wire-grid polarizer
US8083385B1 (en) 2007-10-26 2011-12-27 Yongwu Yang Sunlight attenuation visor
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US8248696B2 (en) 2009-06-25 2012-08-21 Moxtek, Inc. Nano fractal diffuser
US8913321B2 (en) 2010-09-21 2014-12-16 Moxtek, Inc. Fine pitch grid polarizer
US8611007B2 (en) 2010-09-21 2013-12-17 Moxtek, Inc. Fine pitch wire grid polarizer
US8913320B2 (en) 2011-05-17 2014-12-16 Moxtek, Inc. Wire grid polarizer with bordered sections
US8873144B2 (en) 2011-05-17 2014-10-28 Moxtek, Inc. Wire grid polarizer with multiple functionality sections
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KR102028987B1 (ko) * 2013-03-29 2019-10-07 엘지디스플레이 주식회사 홀로그램 영상 표시 장치
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WO2016044071A1 (fr) 2014-09-15 2016-03-24 3M Innovative Properties Company Adaptateur de communication d'outil de système de protection personnel

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2177307A5 (fr) * 1972-03-17 1973-11-02 Suwa Seikosha Kk
FR2383494A1 (fr) * 1977-03-09 1978-10-06 Bannikov Vladimir Procede de fabrication de dispositifs a films de cristal liquide nematique

Also Published As

Publication number Publication date
CA998154A (en) 1976-10-05
GB1405291A (en) 1975-09-10
DE2214891A1 (de) 1972-11-09
US3731986A (en) 1973-05-08

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