FR2255666A1 - Image formation in indicating systems - by applying electrical field through layer of homeotropic nematic liquid crystalline material - Google Patents
Image formation in indicating systems - by applying electrical field through layer of homeotropic nematic liquid crystalline materialInfo
- Publication number
- FR2255666A1 FR2255666A1 FR7442407A FR7442407A FR2255666A1 FR 2255666 A1 FR2255666 A1 FR 2255666A1 FR 7442407 A FR7442407 A FR 7442407A FR 7442407 A FR7442407 A FR 7442407A FR 2255666 A1 FR2255666 A1 FR 2255666A1
- Authority
- FR
- France
- Prior art keywords
- layer
- crystalline material
- image
- electrical field
- image formation
- 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.)
- Granted
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
- G02F1/13743—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 electrohydrodynamic instabilities or domain formation in liquid crystals
- G02F1/1375—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 electrohydrodynamic instabilities or domain formation in liquid crystals using dynamic scattering
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Photoreceptors In Electrophotography (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42676373A | 1973-12-20 | 1973-12-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2255666A1 true FR2255666A1 (en) | 1975-07-18 |
FR2255666B3 FR2255666B3 (fr) | 1977-09-23 |
Family
ID=23692099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7442407A Granted FR2255666A1 (en) | 1973-12-20 | 1974-12-20 | Image formation in indicating systems - by applying electrical field through layer of homeotropic nematic liquid crystalline material |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5092637A (fr) |
DE (1) | DE2452678A1 (fr) |
FR (1) | FR2255666A1 (fr) |
NL (1) | NL7415860A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0508592A2 (fr) * | 1991-03-12 | 1992-10-14 | Fujitsu Limited | Dispositif d'affichage à cristal liquide |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4037932A (en) * | 1976-05-03 | 1977-07-26 | Xerox Corporation | Electrooptic-photoconductor sandwich using actinic readout light |
-
1974
- 1974-11-06 DE DE19742452678 patent/DE2452678A1/de active Pending
- 1974-12-03 JP JP13940774A patent/JPS5092637A/ja active Pending
- 1974-12-05 NL NL7415860A patent/NL7415860A/xx unknown
- 1974-12-20 FR FR7442407A patent/FR2255666A1/fr active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0508592A2 (fr) * | 1991-03-12 | 1992-10-14 | Fujitsu Limited | Dispositif d'affichage à cristal liquide |
EP0508592A3 (en) * | 1991-03-12 | 1993-01-20 | Fujitsu Limited | Liquid crystal display device |
Also Published As
Publication number | Publication date |
---|---|
DE2452678A1 (de) | 1975-07-03 |
JPS5092637A (fr) | 1975-07-24 |
FR2255666B3 (fr) | 1977-09-23 |
NL7415860A (nl) | 1975-04-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2437633A1 (fr) | Polariseur transmettant et reflechissant la lumiere | |
GB1462978A (en) | Optical apparatus | |
EP0376243A3 (fr) | Dispositif d'affichage à cristal liquide ferro-électrique | |
US4025161A (en) | Electro-optical liquid-crystal display device | |
EP0350383A3 (fr) | Dispositif d'affichage comprenant un cristal liquide nématique twisté | |
GB1375834A (fr) | ||
JPS5692518A (en) | Liquid crystal display device | |
GB1435591A (en) | Liquid crystal devices | |
FR2255666A1 (en) | Image formation in indicating systems - by applying electrical field through layer of homeotropic nematic liquid crystalline material | |
EP0231953A3 (fr) | Résines absorbant la lumière pour dispositif d'affichage, dispositifs d'affichage utilisant la résine, et méthode pour leur fabrication | |
WO1988002877A3 (fr) | Dispositif optique | |
CH552862A (de) | Optisches anzeigeelement mit fluessigkristallschicht. | |
FR2177352A5 (en) | Liquid crystal display element - using nematic liquid crystal with circular polarizer | |
JPS644721A (en) | Active device | |
JPS5320948A (en) | Liquid crystal display device | |
FR2177317A5 (en) | Liquid crystal display device - exhibits colour change on applying a voltage | |
JPS51117896A (en) | Liquid crystal display | |
FR2255667A1 (en) | Image formation in indicator systems - by converting optically negative liquid crystalline material into the optically positive state | |
JPS55118016A (en) | Liquid crystal display element | |
GB1353776A (en) | Indication of changes in ambient conditions | |
JPS5730808A (en) | Polarizing plate | |
JPS6477085A (en) | Projection type liquid crystal display device | |
GB1246432A (en) | Improvements in or relating to temperature sensors | |
JPS57208528A (en) | Guest and host type liquid crystal display element | |
JPS5792310A (en) | Indicator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |