FR2274355A1 - Melange de cristaux liquides presentant une anisotropie dielectrique positive et une large gamme de mesomorphisme - Google Patents
Melange de cristaux liquides presentant une anisotropie dielectrique positive et une large gamme de mesomorphismeInfo
- Publication number
- FR2274355A1 FR2274355A1 FR7420714A FR7420714A FR2274355A1 FR 2274355 A1 FR2274355 A1 FR 2274355A1 FR 7420714 A FR7420714 A FR 7420714A FR 7420714 A FR7420714 A FR 7420714A FR 2274355 A1 FR2274355 A1 FR 2274355A1
- Authority
- FR
- France
- Prior art keywords
- mesomorphism
- mixture
- wide range
- liquid crystals
- 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.)
- Granted
Links
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)
Priority Applications (5)
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 |
US05/585,869 US3979321A (en) | 1974-06-14 | 1975-06-11 | Mixture of liquid crystals exhibiting positive dielectric anisotropy and a wide mesomorphic range |
DE19752526520 DE2526520A1 (de) | 1974-06-14 | 1975-06-13 | Fluessigkristall-gemisch mit einer positiven dielektrischen anisotropie und einem weiten mesomorphiebereich |
JP50071868A JPS5111083A (fr) | 1974-06-14 | 1975-06-13 | |
GB25454/75A GB1508187A (en) | 1974-06-14 | 1975-06-13 | Mesomorphic mixture comprising a para-substituted benzylidene para-fluoraniline and/or a para-fluorobenzylidene para-substituted aniline |
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 (2)
Publication Number | Publication Date |
---|---|
FR2274355A1 true FR2274355A1 (fr) | 1976-01-09 |
FR2274355B1 FR2274355B1 (fr) | 1976-10-15 |
Family
ID=9140070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7420714A Granted FR2274355A1 (fr) | 1974-06-14 | 1974-06-14 | Melange de cristaux liquides presentant une anisotropie dielectrique positive et une large gamme de mesomorphisme |
Country Status (5)
Country | Link |
---|---|
US (1) | US3979321A (fr) |
JP (1) | JPS5111083A (fr) |
DE (1) | DE2526520A1 (fr) |
FR (1) | FR2274355A1 (fr) |
GB (1) | GB1508187A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4138358A (en) * | 1976-02-09 | 1979-02-06 | Temple University | Liquid crystal compositions |
GB2009219B (en) * | 1977-11-02 | 1982-04-28 | Secr Defence | Liquid ctystal material mixtures and devices incorporating such mixtures |
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 |
SE409724B (sv) * | 1972-11-09 | 1979-09-03 | Secr Defence Brit | Flytande kristallkomposition |
US3891307A (en) * | 1973-03-20 | 1975-06-24 | Matsushita Electric Ind Co Ltd | Phase control of the voltages applied to opposite electrodes for a cholesteric to nematic phase transition display |
JPS49130882A (fr) * | 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
Also Published As
Publication number | Publication date |
---|---|
US3979321A (en) | 1976-09-07 |
GB1508187A (en) | 1978-04-19 |
JPS5111083A (fr) | 1976-01-28 |
FR2274355B1 (fr) | 1976-10-15 |
DE2526520A1 (de) | 1976-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |