FR2347427A1 - Cristal liquide a grande anisotropie dielectrique negative, et dispositif de visualisation utilisant un tel cristal liquide - Google Patents
Cristal liquide a grande anisotropie dielectrique negative, et dispositif de visualisation utilisant un tel cristal liquideInfo
- Publication number
- FR2347427A1 FR2347427A1 FR7609884A FR7609884A FR2347427A1 FR 2347427 A1 FR2347427 A1 FR 2347427A1 FR 7609884 A FR7609884 A FR 7609884A FR 7609884 A FR7609884 A FR 7609884A FR 2347427 A1 FR2347427 A1 FR 2347427A1
- Authority
- FR
- France
- Prior art keywords
- benzoate
- alkyl
- liquid crystal
- nitro
- alkoxy
- 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
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7609884A FR2347427A1 (fr) | 1976-04-06 | 1976-04-06 | Cristal liquide a grande anisotropie dielectrique negative, et dispositif de visualisation utilisant un tel cristal liquide |
GB1420077A GB1537463A (en) | 1976-04-06 | 1977-04-04 | Para-alkyl-phenyl substituted benzoyl oxybenzoates liquid crystal compositions thereof having high dielectric anisotropy and their use in electro-optical devices |
DE19772715519 DE2715519C2 (de) | 1976-04-06 | 1977-04-06 | Phenolcarbonsäureester und deren Verwendung als Flüssigkristall mit stark negativer dielektrischer Anisotropie |
JP3858177A JPS52123392A (en) | 1976-04-06 | 1977-04-06 | Liquid crystals having high negative dielectric anisotropy and mixture of said liquid crystals for improving dynamic scattering in electooptical apparatus and nematic liquid crystals |
US05/913,106 US4173545A (en) | 1976-04-06 | 1978-06-06 | Liquid crystal with high negative dielectric anisotropy and mixtures of the same with nematic liquid crystals for improving dynamic scattering in electro-optic devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7609884A FR2347427A1 (fr) | 1976-04-06 | 1976-04-06 | Cristal liquide a grande anisotropie dielectrique negative, et dispositif de visualisation utilisant un tel cristal liquide |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2347427A1 true FR2347427A1 (fr) | 1977-11-04 |
FR2347427B1 FR2347427B1 (fr) | 1980-04-18 |
Family
ID=9171419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7609884A Granted FR2347427A1 (fr) | 1976-04-06 | 1976-04-06 | Cristal liquide a grande anisotropie dielectrique negative, et dispositif de visualisation utilisant un tel cristal liquide |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2347427A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0004489A1 (fr) * | 1978-03-17 | 1979-10-03 | Thomson-Csf | Cristal liquide de type diester, mélange de ce cristal avec une phase, mesomorphe et dispositif de visualisation utilisant ce cristal |
EP0005397A2 (fr) * | 1978-05-08 | 1979-11-14 | Thomson-Csf | Cristal liquide à grande anisotropie diélectrique négative et dispositif électro-optique comportant un tel cristal liquide |
EP0019665A1 (fr) * | 1979-05-28 | 1980-12-10 | MERCK PATENT GmbH | Composés de cristaux liquides |
EP0681020A2 (fr) * | 1994-04-14 | 1995-11-08 | Chisso Corporation | Composition liquide cristalline nématique |
-
1976
- 1976-04-06 FR FR7609884A patent/FR2347427A1/fr active Granted
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0004489A1 (fr) * | 1978-03-17 | 1979-10-03 | Thomson-Csf | Cristal liquide de type diester, mélange de ce cristal avec une phase, mesomorphe et dispositif de visualisation utilisant ce cristal |
FR2419966A1 (fr) * | 1978-03-17 | 1979-10-12 | Thomson Csf | Cristal liquide de type diester presentant une phase smectique, a basse frequence d'isotropie dielectrique, et dispositif de visualisation utilisant ce cristal |
EP0005397A2 (fr) * | 1978-05-08 | 1979-11-14 | Thomson-Csf | Cristal liquide à grande anisotropie diélectrique négative et dispositif électro-optique comportant un tel cristal liquide |
EP0005397A3 (en) * | 1978-05-08 | 1979-11-28 | "Thomson-Csf"- Scpi | Liquid crystal with great negative dielectric anisotropy and electrooptical display device containing such a liquid crystal |
FR2425469A1 (fr) * | 1978-05-08 | 1979-12-07 | Thomson Csf | Cristal liquide a grande anisotropie dielectrique negative, dont la formule chimique contient un noyau diphenylethane et dispositif electro-optique utilisant ce cristal liquide |
EP0019665A1 (fr) * | 1979-05-28 | 1980-12-10 | MERCK PATENT GmbH | Composés de cristaux liquides |
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 |
---|---|
FR2347427B1 (fr) | 1980-04-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |