FR2400545A1 - Famille de cristaux liquides de type " diester ", et dispositif electro-optique utilisant de tels cristaux liquides - Google Patents
Famille de cristaux liquides de type " diester ", et dispositif electro-optique utilisant de tels cristaux liquidesInfo
- Publication number
- FR2400545A1 FR2400545A1 FR7725179A FR7725179A FR2400545A1 FR 2400545 A1 FR2400545 A1 FR 2400545A1 FR 7725179 A FR7725179 A FR 7725179A FR 7725179 A FR7725179 A FR 7725179A FR 2400545 A1 FR2400545 A1 FR 2400545A1
- Authority
- FR
- France
- Prior art keywords
- cpds
- pref
- mol
- electro
- display panels
- 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
- C09K19/20—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 oxygen atoms as chain links, e.g. esters or ethers
- C09K19/2007—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 oxygen atoms as chain links, e.g. esters or ethers the chain containing -COO- or -OCO- groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/363—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Liquid Crystal Substances (AREA)
Abstract
L'invention concerne des cristaux liquides présentant au moins une phase mésomorphe du type nématique et, pour certains, une phase de type smectique. Les composés de la famille selon l'invention répondent à la formule générale :
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7725179A FR2400545A1 (fr) | 1977-08-17 | 1977-08-17 | Famille de cristaux liquides de type " diester ", et dispositif electro-optique utilisant de tels cristaux liquides |
GB7833580A GB2003864B (en) | 1977-08-17 | 1978-08-16 | Liquid crystals |
DE19782836086 DE2836086A1 (de) | 1977-08-17 | 1978-08-17 | Fluessige kristalle vom diestertyp und solche enthaltende elektro-optische vorrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7725179A FR2400545A1 (fr) | 1977-08-17 | 1977-08-17 | Famille de cristaux liquides de type " diester ", et dispositif electro-optique utilisant de tels cristaux liquides |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2400545A1 true FR2400545A1 (fr) | 1979-03-16 |
FR2400545B1 FR2400545B1 (fr) | 1980-12-26 |
Family
ID=9194573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7725179A Granted FR2400545A1 (fr) | 1977-08-17 | 1977-08-17 | Famille de cristaux liquides de type " diester ", et dispositif electro-optique utilisant de tels cristaux liquides |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2400545A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0019665A1 (fr) * | 1979-05-28 | 1980-12-10 | MERCK PATENT GmbH | Composés de cristaux liquides |
US4257910A (en) * | 1978-03-17 | 1981-03-24 | Thomson-Csf | Liquid crystal of diester type exhibiting a smectic phase, with low frequency of dielectric isotropy, and display device utilizing this crystal |
EP0156726A1 (fr) * | 1984-03-20 | 1985-10-02 | Thomson-Csf | Procédé d'obtention d'un cristal liquide smectique C chiral ferroélectrique, cristal liquide et dispositif de visualisation utilisant ce cristal liquide. |
EP0681020A2 (fr) * | 1994-04-14 | 1995-11-08 | Chisso Corporation | Composition liquide cristalline nématique |
-
1977
- 1977-08-17 FR FR7725179A patent/FR2400545A1/fr active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4257910A (en) * | 1978-03-17 | 1981-03-24 | Thomson-Csf | Liquid crystal of diester type exhibiting a smectic phase, with low frequency of dielectric isotropy, and display device utilizing this crystal |
EP0019665A1 (fr) * | 1979-05-28 | 1980-12-10 | MERCK PATENT GmbH | Composés de cristaux liquides |
EP0156726A1 (fr) * | 1984-03-20 | 1985-10-02 | Thomson-Csf | Procédé d'obtention d'un cristal liquide smectique C chiral ferroélectrique, cristal liquide et dispositif de visualisation utilisant ce cristal liquide. |
EP0681020A2 (fr) * | 1994-04-14 | 1995-11-08 | Chisso Corporation | Composition liquide cristalline nématique |
EP0681020A3 (fr) * | 1994-04-14 | 1996-05-01 | Chisso Corp | Composition liquide cristalline nématique. |
US5686018A (en) * | 1994-04-14 | 1997-11-11 | Chisso Corporation | Nematic liquid crystal composition |
Also Published As
Publication number | Publication date |
---|---|
FR2400545B1 (fr) | 1980-12-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |