SE374965B - ELECTROOPTIC PHOTO STEERING CELL - Google Patents

ELECTROOPTIC PHOTO STEERING CELL

Info

Publication number
SE374965B
SE374965B SE1548771A SE1548771A SE374965B SE 374965 B SE374965 B SE 374965B SE 1548771 A SE1548771 A SE 1548771A SE 1548771 A SE1548771 A SE 1548771A SE 374965 B SE374965 B SE 374965B
Authority
SE
Sweden
Prior art keywords
electrooptic
photo
steering cell
steering
cell
Prior art date
Application number
SE1548771A
Other languages
Swedish (sv)
Inventor
Helfrich W
Schadt M
Original Assignee
Hoffmann La Roche
Bbc Brown Boveri & Cie
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
Priority claimed from CH1793770A external-priority patent/CH532261A/en
Priority claimed from CH526071A external-priority patent/CH564207A5/de
Application filed by Hoffmann La Roche, Bbc Brown Boveri & Cie filed Critical Hoffmann La Roche
Publication of SE374965B publication Critical patent/SE374965B/en

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)
  • Liquid Crystal Substances (AREA)
  • Holo Graphy (AREA)
SE1548771A 1970-12-04 1971-12-02 ELECTROOPTIC PHOTO STEERING CELL SE374965B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1793770A CH532261A (en) 1970-12-04 1970-12-04 Light control cell
CH526071A CH564207A5 (en) 1971-04-13 1971-04-13

Publications (1)

Publication Number Publication Date
SE374965B true SE374965B (en) 1975-03-24

Family

ID=25697330

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1548771A SE374965B (en) 1970-12-04 1971-12-02 ELECTROOPTIC PHOTO STEERING CELL

Country Status (11)

Country Link
BE (1) BE776192A (en)
CA (1) CA1010136A (en)
DD (1) DD97070A5 (en)
DE (1) DE2158563B2 (en)
DK (1) DK133714B (en)
ES (1) ES397630A1 (en)
FR (1) FR2117358A5 (en)
GB (1) GB1372868A (en)
IT (1) IT946051B (en)
NL (1) NL150579B (en)
SE (1) SE374965B (en)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS536857B2 (en) * 1972-08-16 1978-03-11
FR2198167B1 (en) * 1972-08-29 1976-05-21 Commissariat Energie Atomique
US3897996A (en) 1972-09-30 1975-08-05 Dainippon Printing Co Ltd Electro-optic display device
DE2366514C3 (en) * 1972-09-30 1985-10-10 Dai Nippon Printing Co., Ltd., Tokio/Tokyo Electro-optical display device
DE2410527C3 (en) * 1973-03-08 1983-11-03 Casio Computer Co., Ltd., Tokyo Electronic time display device
FR2220804B1 (en) * 1973-03-08 1976-10-08 Western Electric Co
US3837729A (en) * 1973-05-14 1974-09-24 Hoffmann La Roche Liquid crystal display
CH564206A5 (en) * 1973-09-27 1975-07-15 Bbc Brown Boveri & Cie
GB1472247A (en) * 1974-02-21 1977-05-04 Secr Defence Liquid crystal devices
GB1478592A (en) * 1974-03-01 1977-07-06 Secr Defence Liquid crystal devices
CH573126A5 (en) * 1974-06-07 1976-02-27 Bbc Brown Boveri & Cie
DE2554226C3 (en) * 1975-12-03 1985-07-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen Radiation collector and compressor in the form of a fluorescent plastic plate
DE2658568C2 (en) * 1975-12-25 1983-12-22 Sharp K.K., Osaka A liquid crystal display device comprising a pleochroic dye guest material and a nematic liquid crystal host material
FR2356173A1 (en) * 1976-06-21 1978-01-20 Gen Electric PROCESS FOR IMPROVING THE DESCENT TIME OF A DISPLAY DEVICE COMPOSED OF NEMATIC PROPELLERED LIQUID CRYSTALS
DE2706375C3 (en) * 1977-02-15 1982-08-26 Siemens AG, 1000 Berlin und 8000 München Display arrangement with a light valve device, in particular a liquid crystal cell
US4231068A (en) * 1977-06-15 1980-10-28 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Optical screens
DE2735195C2 (en) * 1977-08-04 1982-05-06 Siemens AG, 1000 Berlin und 8000 München Anti-glare rearview mirror
DE2849381C3 (en) * 1978-11-14 1981-04-30 Siemens AG, 1000 Berlin und 8000 München Passive electro-optical display device for seven-segment display with false display detection
DE2910779C3 (en) * 1979-03-19 1981-11-19 Siemens AG, 1000 Berlin und 8000 München Display module with an electro-optical display device
FR2452122A1 (en) * 1979-03-23 1980-10-17 Thomson Csf ADJUSTABLE OPTICAL ATTENUATOR DEVICE WITH ELECTRICAL CONTROL AND TAKING APPARATUS COMPRISING THIS DEVICE
DE3107520A1 (en) * 1981-02-27 1982-09-16 Siemens AG, 1000 Berlin und 8000 München "METHOD FOR PRODUCING ORIENTING LAYERS FOR LIQUID CRYSTAL DISPLAYS AND LIQUID CRYSTAL DISPLAYS HAVING ORIENTING LAYERS"
US4435047A (en) * 1981-09-16 1984-03-06 Manchester R & D Partnership Encapsulated liquid crystal and method
DE3138518C1 (en) * 1981-09-28 1983-02-24 Siemens AG, 1000 Berlin und 8000 München Field effect liquid crystal cell
US4523848A (en) * 1981-10-01 1985-06-18 National Research Development Corporation Polariscope
US4596446B2 (en) * 1982-06-29 1997-03-18 Secr Defence Brit Liquid crystal devices with particular cholestric pitch-cell thickness ratio
FR2558025B1 (en) * 1984-01-10 1987-05-22 Thomson Csf LINKING SYSTEM FOR SIMULTANEOUS TWO-WAY FIBER OPTIC TRANSMISSIONS
JPS61210324A (en) * 1985-03-15 1986-09-18 Hitachi Ltd Liquid crystal display element
JPS6421416A (en) * 1987-07-17 1989-01-24 Hitachi Ltd Liquid crystal display element
DE3918828C2 (en) * 1989-06-09 1997-12-18 Aeg Ges Moderne Inf Sys Mbh Liquid crystal display device
DE4011116A1 (en) * 1990-04-06 1991-10-10 Nokia Unterhaltungselektronik METHOD FOR DETERMINING THE INCLINE ANGLE OF LIQUID CRYSTAL MOLECULES OF A LIQUID CRYSTAL CELL
DE4212744C2 (en) * 1992-04-16 1994-10-13 Merck Patent Gmbh TN cell with d. DELTAn between 0.15 and 0.70 mum
JP3753440B2 (en) * 1992-05-07 2006-03-08 セイコーエプソン株式会社 Liquid crystal display device and driving method of liquid crystal display device
JP3634390B2 (en) * 1992-07-16 2005-03-30 セイコーエプソン株式会社 Liquid crystal electro-optic element
DE4416298A1 (en) * 1994-05-09 1995-11-16 Abb Research Ltd Method and device for optically determining a physical quantity
JP3577719B2 (en) 1995-05-17 2004-10-13 セイコーエプソン株式会社 Liquid crystal display device, driving method thereof, and driving circuit used therefor
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
US8184215B2 (en) 2010-08-17 2012-05-22 Lc-Tec Displays Ab High-speed liquid crystal polarization modulator
DE102012221527A1 (en) 2012-11-26 2014-06-12 Heine Optotechnik Gmbh & Co Kg Optical diagnostic tool, particularly dermatoscope for investigating examination area of patient, has first polarizing filter unit downstream in illumination beam path of illumination unit in illuminating direction

Also Published As

Publication number Publication date
DK133714C (en) 1988-05-02
NL7115838A (en) 1972-06-06
DE2158563B2 (en) 1975-10-23
CA1010136A (en) 1977-05-10
IT946051B (en) 1973-05-21
FR2117358A5 (en) 1972-07-21
DK133714B (en) 1976-07-05
BE776192A (en) 1972-06-05
DE2158563A1 (en) 1972-06-29
GB1372868A (en) 1974-11-06
DD97070A5 (en) 1973-04-12
ES397630A1 (en) 1975-03-16
NL150579B (en) 1976-08-16

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