DE3140898A1 - Bistabile fluessigkristall-twistzelle - Google Patents
Bistabile fluessigkristall-twistzelleInfo
- 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
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)
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)
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)
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)
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)
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 |
-
1981
- 1981-10-15 GB GB8131068A patent/GB2087583B/en not_active Expired
- 1981-10-15 DE DE19813140898 patent/DE3140898A1/de not_active Ceased
- 1981-10-20 JP JP16651381A patent/JPS57100412A/ja active Granted
- 1981-10-20 CH CH669781A patent/CH654116A5/de not_active IP Right Cessation
Patent Citations (2)
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)
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)
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 |