GB1569688A - Smectic display cell - Google Patents
Smectic display cell Download PDFInfo
- Publication number
- GB1569688A GB1569688A GB4682177A GB4682177A GB1569688A GB 1569688 A GB1569688 A GB 1569688A GB 4682177 A GB4682177 A GB 4682177A GB 4682177 A GB4682177 A GB 4682177A GB 1569688 A GB1569688 A GB 1569688A
- Authority
- GB
- United Kingdom
- Prior art keywords
- smectic
- cell
- alignment
- state
- dye
- 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.)
- Expired
Links
- 239000004990 Smectic liquid crystal Substances 0.000 title claims abstract description 46
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 11
- 230000005684 electric field Effects 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 32
- 239000000975 dye Substances 0.000 claims description 10
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 7
- 230000008020 evaporation Effects 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 239000000987 azo dye Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 4
- CSQPODPWWMOTIY-UHFFFAOYSA-N 4-(4-octylphenyl)benzonitrile Chemical group C1=CC(CCCCCCCC)=CC=C1C1=CC=C(C#N)C=C1 CSQPODPWWMOTIY-UHFFFAOYSA-N 0.000 claims description 2
- 239000005224 4-Cyano-4'-n-octylbiphenyl Substances 0.000 claims description 2
- 238000005576 amination reaction Methods 0.000 claims description 2
- 239000001000 anthraquinone dye Substances 0.000 claims description 2
- 230000015556 catabolic process Effects 0.000 claims description 2
- 238000006731 degradation reaction Methods 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004381 surface treatment Methods 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
-
- 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
- G02F1/13781—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 using smectic liquid crystals
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4682177A GB1569688A (en) | 1977-11-10 | 1977-11-10 | Smectic display cell |
| US05/955,869 US4291948A (en) | 1977-11-10 | 1978-10-30 | Liquid crystal display incorporating positive and negative smectic material |
| NL7810858A NL7810858A (nl) | 1977-11-10 | 1978-11-01 | Vloeibaarkristal weergavecel. |
| IT29607/78A IT1202798B (it) | 1977-11-10 | 1978-11-09 | Cella di visualizzazione a cristalli liquidi a elettrodi interni |
| DE19782848581 DE2848581C2 (de) | 1977-11-10 | 1978-11-09 | Speicherndes Flüssigkristall-Anzeigeelement |
| FR7831792A FR2408885A1 (fr) | 1977-11-10 | 1978-11-10 | Cellule d'affichage a cristaux liquides smectiques |
| JP53137991A JPS5952406B2 (ja) | 1977-11-10 | 1978-11-10 | スメクチツク液晶表示セル |
| CH1157178A CH637773A5 (en) | 1977-11-10 | 1978-11-10 | Memorising liquid-crystal display element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4682177A GB1569688A (en) | 1977-11-10 | 1977-11-10 | Smectic display cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1569688A true GB1569688A (en) | 1980-06-18 |
Family
ID=10442716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4682177A Expired GB1569688A (en) | 1977-11-10 | 1977-11-10 | Smectic display cell |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH637773A5 (enrdf_load_stackoverflow) |
| FR (1) | FR2408885A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1569688A (enrdf_load_stackoverflow) |
| NL (1) | NL7810858A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0087477B1 (en) * | 1981-09-07 | 1988-11-30 | Sony Corporation | Liquid crystal display device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8324642D0 (en) * | 1983-09-14 | 1983-10-19 | Univ Manchester | Liquid crystal storage device |
| EP0263225B1 (en) * | 1986-10-07 | 1992-04-08 | S.A.R.L. S.T. Lagerwall | A device for submicrosecond electro-optic modulation in the liquid crystal smectic-a phase |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2189767B1 (enrdf_load_stackoverflow) * | 1972-06-23 | 1976-06-11 | Western Electric Co |
-
1977
- 1977-11-10 GB GB4682177A patent/GB1569688A/en not_active Expired
-
1978
- 1978-11-01 NL NL7810858A patent/NL7810858A/xx not_active Application Discontinuation
- 1978-11-10 CH CH1157178A patent/CH637773A5/de not_active IP Right Cessation
- 1978-11-10 FR FR7831792A patent/FR2408885A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0087477B1 (en) * | 1981-09-07 | 1988-11-30 | Sony Corporation | Liquid crystal display device |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7810858A (nl) | 1979-05-14 |
| FR2408885A1 (fr) | 1979-06-08 |
| CH637773A5 (en) | 1983-08-15 |
| FR2408885B1 (enrdf_load_stackoverflow) | 1982-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19980529 |