DE2526520A1 - Fluessigkristall-gemisch mit einer positiven dielektrischen anisotropie und einem weiten mesomorphiebereich - Google Patents
Fluessigkristall-gemisch mit einer positiven dielektrischen anisotropie und einem weiten mesomorphiebereichInfo
- Publication number
- DE2526520A1 DE2526520A1 DE19752526520 DE2526520A DE2526520A1 DE 2526520 A1 DE2526520 A1 DE 2526520A1 DE 19752526520 DE19752526520 DE 19752526520 DE 2526520 A DE2526520 A DE 2526520A DE 2526520 A1 DE2526520 A1 DE 2526520A1
- Authority
- DE
- Germany
- Prior art keywords
- liquid crystal
- crystal mixture
- mixture according
- formula
- dielectric anisotropy
- 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
- 239000000203 mixture Substances 0.000 title claims description 21
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 19
- 239000000126 substance Substances 0.000 claims description 8
- 239000000374 eutectic mixture Substances 0.000 claims description 6
- WPYMKLBDIGXBTP-UHFFFAOYSA-N Benzoic acid Natural products OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims 1
- 239000005711 Benzoic acid Substances 0.000 claims 1
- 235000010233 benzoic acid Nutrition 0.000 claims 1
- -1 benzoic acid ester Chemical class 0.000 claims 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 5
- 230000002631 hypothermal effect Effects 0.000 description 5
- 239000004990 Smectic liquid crystal Substances 0.000 description 4
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 150000001558 benzoic acid derivatives Chemical class 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
- C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
- C09K19/22—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and nitrogen atoms as chain links, e.g. Schiff bases
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
- C09K19/48—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing Schiff bases
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Liquid Crystal Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7420714A FR2274355A1 (fr) | 1974-06-14 | 1974-06-14 | Melange de cristaux liquides presentant une anisotropie dielectrique positive et une large gamme de mesomorphisme |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2526520A1 true DE2526520A1 (de) | 1976-01-02 |
Family
ID=9140070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752526520 Pending DE2526520A1 (de) | 1974-06-14 | 1975-06-13 | Fluessigkristall-gemisch mit einer positiven dielektrischen anisotropie und einem weiten mesomorphiebereich |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3979321A (https=) |
| JP (1) | JPS5111083A (https=) |
| DE (1) | DE2526520A1 (https=) |
| FR (1) | FR2274355A1 (https=) |
| GB (1) | GB1508187A (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2847601A1 (de) * | 1977-11-02 | 1979-05-03 | Secr Defence Brit | Fluessigkristallgemische und ihre verwendung in anzeigevorrichtungen |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4138358A (en) * | 1976-02-09 | 1979-02-06 | Temple University | Liquid crystal compositions |
| DE2907332A1 (de) * | 1979-02-24 | 1980-09-18 | Merck Patent Gmbh | Fluorphenylcyclohexane, verfahren zu ihrer herstellung und ihre verwendung als komponenten fluessigkristalliner dielektrika |
| CH645876A5 (de) * | 1980-01-25 | 1984-10-31 | Chisso Corp | Halogenierte esterderivate mit positiver anisotropie und diese verbindungen enthaltende fluessigkristallmischungen. |
| US4399298A (en) * | 1980-02-15 | 1983-08-16 | Chisso Corporation | Carboxylic acid ester derivatives of 4-fluorophenol |
| JPH09159997A (ja) * | 1995-12-07 | 1997-06-20 | Sharp Corp | 液晶パネルの欠陥候補箇所検出方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE795775A (fr) * | 1972-02-23 | 1973-08-22 | Hoffmann La Roche | Bases de schiff cristallines liquides |
| US3872140A (en) * | 1972-07-03 | 1975-03-18 | Eastman Kodak Co | Liquid crystalline compositions and method |
| FR2207758A1 (en) * | 1972-11-09 | 1974-06-21 | United Kingdom Government | Liquid crystal material - comprising two or more benzene rings para substd at both ends of the chain |
| US3891307A (en) * | 1973-03-20 | 1975-06-24 | Matsushita Electric Industrial Co Ltd | Phase control of the voltages applied to opposite electrodes for a cholesteric to nematic phase transition display |
| JPS49130882A (https=) * | 1973-04-24 | 1974-12-14 |
-
1974
- 1974-06-14 FR FR7420714A patent/FR2274355A1/fr active Granted
-
1975
- 1975-06-11 US US05/585,869 patent/US3979321A/en not_active Expired - Lifetime
- 1975-06-13 DE DE19752526520 patent/DE2526520A1/de active Pending
- 1975-06-13 JP JP50071868A patent/JPS5111083A/ja active Pending
- 1975-06-13 GB GB25454/75A patent/GB1508187A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2847601A1 (de) * | 1977-11-02 | 1979-05-03 | Secr Defence Brit | Fluessigkristallgemische und ihre verwendung in anzeigevorrichtungen |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5111083A (https=) | 1976-01-28 |
| FR2274355A1 (fr) | 1976-01-09 |
| US3979321A (en) | 1976-09-07 |
| GB1508187A (en) | 1978-04-19 |
| FR2274355B1 (https=) | 1976-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0056501B1 (de) | Flüssigkristallmischung | |
| DE2639838A1 (de) | Optisch aktive cyanodiphenylverbindungen, fluessigkristallmaterialien und fluessigkristallvorrichtungen | |
| DE4303335A1 (https=) | ||
| DE3783213T2 (de) | Optisch aktive fluessigkristallverbindungen mit einer cyanogruppe. | |
| DE3420110C2 (de) | Zusammensetzungen für Flüssigkristalle | |
| DE68909631T2 (de) | Ferroelektrische Flüssigkristallzusammensetzung. | |
| DE2456083C2 (de) | Nematisches Flüssigkristallgemisch | |
| DE69515008T2 (de) | Zwei-Ring enthaltende Phenylesterverbindung und sie enthaltende anti-ferroelektrische flüssigkristalline Zusammensetzung | |
| DE2526520A1 (de) | Fluessigkristall-gemisch mit einer positiven dielektrischen anisotropie und einem weiten mesomorphiebereich | |
| DE3885864T2 (de) | Kondensate von optisch aktiven 4-(1-Hydroxy-äthyl)-biphenylen mit optisch aktiven organischen Säuren. | |
| DE3419512C1 (de) | Zusammensetzung fuer Fluessigkristalle | |
| DE3872116T2 (de) | Nematische fluessigkristallzusammensetzung. | |
| DE69003715T2 (de) | Flüssigkristalline ferroelektrische Zusammensetzung und sie enthaltendes Lichtschaltelement. | |
| DE1618827B1 (de) | Nematische flüssigkristall-zusammensetzung | |
| DE2351684A1 (de) | Sichtgeraet mit fluessigen kristallen | |
| DE3046872A1 (de) | "kristallin-fluessige gemische der ester des 4-(2,2-dicyan-ethenyl)-phenols" | |
| DE3225457A1 (de) | Fluessigkristallzusammensetzungen und elektrooptische anzeigevorrichtungen | |
| DD227441A1 (de) | Anwendung fluessiger kristalle | |
| DE68910418T2 (de) | Ferroelektrische Flüssigkristallzusammensetzung. | |
| CH633036A5 (de) | Nematische fluessigkristallzusammensetzung. | |
| DE2309501A1 (de) | Nematische fluessigkristalle mit grosser stabilitaet | |
| DE2751403A1 (de) | P'-cyanophenylester der p-(beta-alkoxy)aethoxybenzoesaeure | |
| DE3133118A1 (de) | "fluessigkristall und mit diesem betriebene temperaturanzeigevorrichtung" | |
| EP0286043B1 (de) | Verwendung von Verbindungen mit chiralem, polarem Molekülteil als Komponenten in Flüssigkristall-Mischungen für die Ausnutzung des elektroklinen Effektes | |
| DE2842320C2 (de) | Flüssigkristall-Zusammensetzung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHN | Withdrawal |