AU450702B2 - Electro optical device - Google Patents

Electro optical device

Info

Publication number
AU450702B2
AU450702B2 AU35615/71A AU3561571A AU450702B2 AU 450702 B2 AU450702 B2 AU 450702B2 AU 35615/71 A AU35615/71 A AU 35615/71A AU 3561571 A AU3561571 A AU 3561571A AU 450702 B2 AU450702 B2 AU 450702B2
Authority
AU
Australia
Prior art keywords
optical device
electro optical
electro
optical
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
AU35615/71A
Other languages
English (en)
Other versions
AU3561571A (en
Inventor
HELFRICH and MARTIN SCHADT WOLFGANG
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of AU3561571A publication Critical patent/AU3561571A/en
Application granted granted Critical
Publication of AU450702B2 publication Critical patent/AU450702B2/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 
    • G02F1/13—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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Motor Or Generator Current Collectors (AREA)
AU35615/71A 1970-12-04 1971-11-11 Electro optical device Expired AU450702B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1793770A CH532261A (de) 1970-12-04 1970-12-04 Lichtsteuerzelle
CHCH17937/70 1970-12-04
CHCH5260/71 1971-04-13

Publications (2)

Publication Number Publication Date
AU3561571A AU3561571A (en) 1973-05-17
AU450702B2 true AU450702B2 (en) 1974-07-18

Family

ID=4429210

Family Applications (1)

Application Number Title Priority Date Filing Date
AU35615/71A Expired AU450702B2 (en) 1970-12-04 1971-11-11 Electro optical device

Country Status (9)

Country Link
JP (5) JPS5113666B1 (sv)
AT (1) AT323821B (sv)
AU (1) AU450702B2 (sv)
CH (1) CH532261A (sv)
DE (1) DE7047103U (sv)
IL (1) IL38107A (sv)
NO (1) NO133857C (sv)
SE (1) SE420027B (sv)
SU (1) SU694102A3 (sv)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH589856A5 (sv) * 1975-12-29 1977-07-15 Kern & Co Ag
GB2028527B (en) * 1978-06-08 1982-11-24 American Liquid Xtal Chem Liquid crystal displays
JPS6238682U (sv) * 1985-08-01 1987-03-07
IT1316145B1 (it) * 2000-10-26 2003-03-28 Viptronic Srl Dispositivo di misurazione fotoelettrica dotato di filtro dipolarizzazione.
US7477330B2 (en) 2005-03-09 2009-01-13 3M Innovative Properties Company Automatic darkening filter with offset polarizers
US7637622B2 (en) 2005-10-11 2009-12-29 3M Innovative Properties Company Control of an automatic darkening filter
US8416355B2 (en) 2007-06-20 2013-04-09 Tc View Ltd. Directional filter device for controlling direction of maximal blocking of incident light
US8184215B2 (en) 2010-08-17 2012-05-22 Lc-Tec Displays Ab High-speed liquid crystal polarization modulator
US8023052B1 (en) 2010-08-17 2011-09-20 Lc-Tec Displays Ab High-speed liquid crystal polarization modulator
US8820937B2 (en) 2010-08-17 2014-09-02 Lc-Tec Displays Ab Optical polarization state modulator assembly for use in stereoscopic three-dimensional image projection system
EP2736802B1 (de) 2011-07-28 2015-09-09 Airbus Defence and Space GmbH Verfahren zum herstellen eines luftfahrzeugfensters mit einer lichttransmissionsbeeinflussungsvorrichtung
EP3193797B1 (en) 2014-09-15 2022-05-25 3M Innovative Properties Company Personal protective system tool communication adapter
DE102018213078B4 (de) * 2018-08-06 2020-06-18 Zf Friedrichshafen Ag Verdunkelungsvorrichtung für eine ADAS-Kamera, Steuergerät für ein ADAS-Kamerasystem, ADAS-Kamerasystem und Fahrzeug mit einem ADAS-Kamerasystem
DE102019205012A1 (de) * 2019-04-08 2020-10-08 Zf Friedrichshafen Ag Steuergerät für eine Verdunkelungsvorrichtung mit veränderbarer Lichtdurchlässigkeit für eine Fahrzeugscheibe, Verdunkelungssystem für eine Fahrzeugscheibe, Verfahren zum Verdunkeln einer Fahrzeugscheibe und Computerprogrammprodukt zum Verdunkeln einer Fahrzeugscheibe
DE102020203585A1 (de) 2020-03-20 2021-09-23 Zf Friedrichshafen Ag Anordnung und Filter für Bildverarbeitung, computerimplementiertes Verfahren zum Steuern eines derartigen Filters, Steuergerät für einen Bildgebungssensor, Kamera zum Polarisieren von Licht und Steuerungssystem für ein Fahrzeug umfassend eine derartige Kamera

Also Published As

Publication number Publication date
JPS5552026A (en) 1980-04-16
IL38107A (en) 1974-09-10
SU694102A3 (ru) 1979-10-25
NO133857C (sv) 1976-07-07
JPS599327U (ja) 1984-01-21
AU3561571A (en) 1973-05-17
NO133857B (sv) 1976-03-29
JPS5552027A (en) 1980-04-16
SE420027B (sv) 1981-09-07
SE7501996L (sv) 1975-02-21
CH532261A (de) 1972-12-31
JPS5113666B1 (sv) 1976-05-01
DE7047103U (de) 1972-09-28
JPS5133654A (ja) 1976-03-22
AT323821B (de) 1975-07-25

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