DE3140898A1 - Bistabile fluessigkristall-twistzelle - Google Patents

Bistabile fluessigkristall-twistzelle

Info

Publication number
DE3140898A1
DE3140898A1 DE19813140898 DE3140898A DE3140898A1 DE 3140898 A1 DE3140898 A1 DE 3140898A1 DE 19813140898 DE19813140898 DE 19813140898 DE 3140898 A DE3140898 A DE 3140898A DE 3140898 A1 DE3140898 A1 DE 3140898A1
Authority
DE
Germany
Prior art keywords
liquid crystal
cell
dipl
voltage
state
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
DE19813140898
Other languages
German (de)
English (en)
Inventor
Dwight Winton 07974 New Providence N.J. Berreman
William Rudolph 07062 Plainfield N.J. Heffner
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of DE3140898A1 publication Critical patent/DE3140898A1/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 
    • G02F1/13—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
    • G02F1/1391—Bistable or multi-stable liquid crystal cells

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)
DE19813140898 1980-10-20 1981-10-15 Bistabile fluessigkristall-twistzelle Ceased DE3140898A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19829480A 1980-10-20 1980-10-20

Publications (1)

Publication Number Publication Date
DE3140898A1 true DE3140898A1 (de) 1982-06-24

Family

ID=22732773

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813140898 Ceased DE3140898A1 (de) 1980-10-20 1981-10-15 Bistabile fluessigkristall-twistzelle

Country Status (4)

Country Link
JP (1) JPS57100412A (fr)
CH (1) CH654116A5 (fr)
DE (1) DE3140898A1 (fr)
GB (1) GB2087583B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3416518A1 (de) * 1983-05-09 1984-11-15 Tektronix, Inc., Beaverton, Oreg. Farbdarstellungssystem
EP0125841A2 (fr) * 1983-05-09 1984-11-21 Tektronix, Inc. Dispositif à retard optique variable, rapide et à temps de montée court, utilisant un cristal liquide
DE3524157A1 (de) * 1984-07-09 1986-02-06 Tektronix, Inc., Beaverton, Oreg. Optischer fluessigkristallschalter

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4596446B2 (en) * 1982-06-29 1997-03-18 Secr Defence Brit Liquid crystal devices with particular cholestric pitch-cell thickness ratio
IL69547A0 (en) * 1982-08-26 1983-11-30 Crystalvision Inc Liquid crystal display
IN161652B (fr) * 1983-07-12 1988-01-09 Bbc Brown Boveri & Cie

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018180A1 (fr) * 1979-04-16 1980-10-29 Western Electric Company, Incorporated Cellule à cristal liquide

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5548805A (en) * 1979-09-19 1980-04-08 Pioneer Electronic Corp Tone arm damper mechanism
US4367924A (en) * 1980-01-08 1983-01-11 Clark Noel A Chiral smectic C or H liquid crystal electro-optical device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018180A1 (fr) * 1979-04-16 1980-10-29 Western Electric Company, Incorporated Cellule à cristal liquide
EP0018180B1 (fr) * 1979-04-16 1984-08-08 Western Electric Company, Incorporated Cellule à cristal liquide

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Appl.Phys.Lett. Vol. 25, No. 1, 1.7.1974, S. 5-7 *
Proceedings of the SID Vol. 21/2, 1980, S. 71-77 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3416518A1 (de) * 1983-05-09 1984-11-15 Tektronix, Inc., Beaverton, Oreg. Farbdarstellungssystem
EP0125841A2 (fr) * 1983-05-09 1984-11-21 Tektronix, Inc. Dispositif à retard optique variable, rapide et à temps de montée court, utilisant un cristal liquide
EP0125841A3 (fr) * 1983-05-09 1986-01-08 Tektronix, Inc. Dispositif à retard optique variable, rapide et à temps de montée court, utilisant un cristal liquide
DE3448116C2 (fr) * 1983-05-09 1993-07-15 Tektronix, Inc., Beaverton, Oreg., Us
DE3524157A1 (de) * 1984-07-09 1986-02-06 Tektronix, Inc., Beaverton, Oreg. Optischer fluessigkristallschalter

Also Published As

Publication number Publication date
GB2087583A (en) 1982-05-26
JPS57100412A (en) 1982-06-22
GB2087583B (en) 1984-06-06
JPH0326368B2 (fr) 1991-04-10
CH654116A5 (de) 1986-01-31

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: AT & T TECHNOLOGIES, INC., NEW YORK, N.Y., US

8131 Rejection