CH564207A5 - - Google Patents
Info
- Publication number
- CH564207A5 CH564207A5 CH526071A CH526071A CH564207A5 CH 564207 A5 CH564207 A5 CH 564207A5 CH 526071 A CH526071 A CH 526071A CH 526071 A CH526071 A CH 526071A CH 564207 A5 CH564207 A5 CH 564207A5
- Authority
- CH
- Switzerland
- Prior art keywords
- liquid crystal
- voltage
- cell
- light
- plates
- Prior art date
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims description 25
- 238000000576 coating method Methods 0.000 claims description 3
- 230000010287 polarization Effects 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000004988 Nematic liquid crystal Substances 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000002800 charge carrier Substances 0.000 description 2
- 230000003098 cholesteric effect Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- FEESQXIXADTYMT-UHFFFAOYSA-N 4-amino-6-[(4-ethoxyphenyl)methylidene]cyclohexa-2,4-diene-1-carbonitrile Chemical compound C(C)OC1=CC=C(C=C2C(C#N)C=CC(=C2)N)C=C1 FEESQXIXADTYMT-UHFFFAOYSA-N 0.000 description 1
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000037427 ion transport Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000000711 polarimetry Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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)
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH526071A CH564207A5 (enrdf_load_stackoverflow) | 1971-04-13 | 1971-04-13 | |
| IT3098171A IT946051B (it) | 1970-12-04 | 1971-11-11 | Cellula ottica |
| CA127,762A CA1010136A (en) | 1970-12-04 | 1971-11-16 | Liquid crystal cell having controllable optical activity |
| NL7115838A NL150579B (nl) | 1970-12-04 | 1971-11-17 | Door een elektrisch veld bestuurbare elektro-optische inrichting. |
| GB5367871A GB1372868A (en) | 1970-12-04 | 1971-11-18 | Optical device |
| DE19712158563 DE2158563B2 (de) | 1970-12-04 | 1971-11-25 | Durch ein elektrisches Feld steuerbare elektrooptische Vorrichtung zur Modulation der Intensität eines Lichtstrahls |
| SE1548771A SE374965B (sv) | 1970-12-04 | 1971-12-02 | Elektrooptisk fotostyrcell |
| DD15936471A DD97070A5 (enrdf_load_stackoverflow) | 1970-12-04 | 1971-12-03 | |
| BE776192A BE776192A (fr) | 1970-12-04 | 1971-12-03 | Cellule optique |
| FR7143474A FR2117358A5 (enrdf_load_stackoverflow) | 1970-12-04 | 1971-12-03 | |
| DK595171A DK133714B (da) | 1970-12-04 | 1971-12-03 | Elektrooptisk apparat. |
| ES397630A ES397630A1 (es) | 1970-12-04 | 1971-12-03 | Perfeccionamientos en un dispositivo electro-optico. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH526071A CH564207A5 (enrdf_load_stackoverflow) | 1971-04-13 | 1971-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH564207A5 true CH564207A5 (enrdf_load_stackoverflow) | 1975-07-15 |
Family
ID=4290621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH526071A CH564207A5 (enrdf_load_stackoverflow) | 1970-12-04 | 1971-04-13 |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH564207A5 (enrdf_load_stackoverflow) |
-
1971
- 1971-04-13 CH CH526071A patent/CH564207A5/de not_active IP Right Cessation
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUE | Assignment |
Owner name: BBC AKTIENGESELLSCHAFT BROWN, BOVERI & CIE. |
|
| PL | Patent ceased | ||
| PL | Patent ceased |