DE2509867A1 - Vorrichtung zur schaustellung von zeichen - Google Patents
Vorrichtung zur schaustellung von zeichenInfo
- Publication number
- DE2509867A1 DE2509867A1 DE19752509867 DE2509867A DE2509867A1 DE 2509867 A1 DE2509867 A1 DE 2509867A1 DE 19752509867 DE19752509867 DE 19752509867 DE 2509867 A DE2509867 A DE 2509867A DE 2509867 A1 DE2509867 A1 DE 2509867A1
- Authority
- DE
- Germany
- Prior art keywords
- liquid crystal
- light beam
- light
- crystal cell
- screen
- 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.)
- Pending
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims description 66
- 210000002858 crystal cell Anatomy 0.000 claims description 20
- 238000003384 imaging method Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims 1
- 210000004027 cell Anatomy 0.000 description 19
- 230000005684 electric field Effects 0.000 description 9
- 230000005284 excitation Effects 0.000 description 6
- 238000000149 argon plasma sintering Methods 0.000 description 5
- 210000002421 cell wall Anatomy 0.000 description 4
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- FEIWNULTQYHCDN-UHFFFAOYSA-N mbba Chemical compound C1=CC(CCCC)=CC=C1N=CC1=CC=C(OC)C=C1 FEIWNULTQYHCDN-UHFFFAOYSA-N 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 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
- G02F1/1393—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 birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells
-
- 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7407645A FR2263569A1 (en) | 1974-03-06 | 1974-03-06 | Character display apparatus with two electrode systems - has light beam directed at one of two fluid-crystal cell walls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2509867A1 true DE2509867A1 (de) | 1975-09-11 |
Family
ID=9135934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752509867 Pending DE2509867A1 (de) | 1974-03-06 | 1975-03-06 | Vorrichtung zur schaustellung von zeichen |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS50155193A (enrdf_load_stackoverflow) |
| CH (1) | CH591095A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2509867A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2263569A1 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0023741A1 (en) * | 1979-08-02 | 1981-02-11 | Koninklijke Philips Electronics N.V. | Electrophoretic image display device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2350621A1 (fr) * | 1976-05-04 | 1977-12-02 | Itt | Cellule de cristaux liquides a l'etat nematique |
| JPS5855485B2 (ja) * | 1979-02-21 | 1983-12-09 | スペリ− コ−ポレ−シヨン | 液晶スイツチングマトリクス |
| US5018835A (en) * | 1989-01-03 | 1991-05-28 | Raytheon Company | Deflector for an optical beam including refractive means |
-
1974
- 1974-03-06 FR FR7407645A patent/FR2263569A1/fr active Granted
-
1975
- 1975-02-28 CH CH253375A patent/CH591095A5/xx not_active IP Right Cessation
- 1975-03-06 DE DE19752509867 patent/DE2509867A1/de active Pending
- 1975-03-06 JP JP50027585A patent/JPS50155193A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0023741A1 (en) * | 1979-08-02 | 1981-02-11 | Koninklijke Philips Electronics N.V. | Electrophoretic image display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CH591095A5 (enrdf_load_stackoverflow) | 1977-09-15 |
| FR2263569A1 (en) | 1975-10-03 |
| FR2263569B1 (enrdf_load_stackoverflow) | 1977-09-23 |
| JPS50155193A (enrdf_load_stackoverflow) | 1975-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |