FR2410037A1 - Cristal liquide a formule chimique contenant un noyau diphenylethane, et dispositif utilisant un tel cristal liquide - Google Patents
Cristal liquide a formule chimique contenant un noyau diphenylethane, et dispositif utilisant un tel cristal liquideInfo
- Publication number
- FR2410037A1 FR2410037A1 FR7735357A FR7735357A FR2410037A1 FR 2410037 A1 FR2410037 A1 FR 2410037A1 FR 7735357 A FR7735357 A FR 7735357A FR 7735357 A FR7735357 A FR 7735357A FR 2410037 A1 FR2410037 A1 FR 2410037A1
- Authority
- FR
- France
- Prior art keywords
- liquid crystal
- diphenylethane
- core
- chemical formula
- carbon atoms
- 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
- C09K19/2014—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 containing additionally a linking group other than -COO- or -OCO-, e.g. -CH2-CH2-, -CH=CH-, -C=C-; containing at least one additional carbon atom in the chain containing -COO- or -OCO- groups, e.g. -(CH2)m-COO-(CH2)n-
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)
Abstract
FAMILLE DE CORPS MESOMORPHES CONSTITUANT, DANS CERTAINES GAMMES DE TEMPERATURES, DES CRISTAUX LIQUIDES NEMATIQUES OU SMECTIQUES. FORMULE GENERALE DES CORPS DE LA FAMILLE SELON L'INVENTION: (CF DESSIN DANS BOPI) DANS LAQUELLE R REPRESENTE UN GROUPEMENT ALKYL OU ALKOXY CONTENANT 1 A 10 ATOMES DE CARBONE ET R REPRESENTE SOIT UN GROUPEMENT ALKYL CONTENANT 1 A 10 ATOMES DE CARBONE, SOIT LE BROME OU LE GROUPEMENT CYANO. APPLICATION A DES DISPOSITIFS DE VISUALISATION A COMMANDE ELECTRIQUE ET AUX DISPOSITIFS D'AFFICHAGE A MEMOIRE, SOIT PAR EFFET DE CHAMP SOIT PAR EFFET THERMO-OPTIQUE.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7735357A FR2410037A1 (fr) | 1977-11-24 | 1977-11-24 | Cristal liquide a formule chimique contenant un noyau diphenylethane, et dispositif utilisant un tel cristal liquide |
JP53140372A JPS6059948B2 (ja) | 1977-11-24 | 1978-11-14 | ジフエニルエタン核を含む式を有する液晶材料 |
US05/962,692 US4212762A (en) | 1977-11-24 | 1978-11-21 | Liquid crystal materials having a formula containing a diphenylethane nucleus |
GB7846009A GB2010272B (en) | 1977-11-24 | 1978-11-24 | Liquid crystal materials having a formula containing a diphenylethane nucleus |
DE2850923A DE2850923C2 (de) | 1977-11-24 | 1978-11-24 | Flüssige Kristalle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7735357A FR2410037A1 (fr) | 1977-11-24 | 1977-11-24 | Cristal liquide a formule chimique contenant un noyau diphenylethane, et dispositif utilisant un tel cristal liquide |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2410037A1 true FR2410037A1 (fr) | 1979-06-22 |
FR2410037B1 FR2410037B1 (fr) | 1981-08-28 |
Family
ID=9197999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7735357A Granted FR2410037A1 (fr) | 1977-11-24 | 1977-11-24 | Cristal liquide a formule chimique contenant un noyau diphenylethane, et dispositif utilisant un tel cristal liquide |
Country Status (5)
Country | Link |
---|---|
US (1) | US4212762A (fr) |
JP (1) | JPS6059948B2 (fr) |
DE (1) | DE2850923C2 (fr) |
FR (1) | FR2410037A1 (fr) |
GB (1) | GB2010272B (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3001661A1 (de) * | 1979-12-17 | 1981-06-25 | BBC AG Brown, Boveri & Cie., Baden, Aargau | Anisotrope cyclohexylaether |
NL8001556A (nl) * | 1980-03-17 | 1981-10-16 | Philips Nv | Weergeefinrichting met vloeibaar kristal. |
JPS58203942A (ja) * | 1982-05-21 | 1983-11-28 | Dainippon Ink & Chem Inc | 新規ネマチツク液晶化合物 |
DE3332691A1 (de) * | 1983-09-10 | 1985-03-28 | Merck Patent Gmbh, 6100 Darmstadt | Anisotrope verbindungen und fluessigkristallmischungen |
DD245895A1 (de) * | 1984-02-16 | 1987-05-20 | Univ Halle Wittenberg | Anwendung nematischer kristallin-fluessiger gemische |
FR2561250B1 (fr) * | 1984-03-16 | 1987-03-06 | Thomson Csf | Compose organique presentant une phase smectique a, melange comprenant ce compose et procede de fabrication |
EP0164721A3 (fr) * | 1984-06-13 | 1986-02-26 | Chisso Corporation | Composé du type cristaux liquides et composition du type cristaux liquides le contenant |
FR2573086B1 (fr) * | 1984-11-09 | 1986-12-12 | Thomson Csf | Compose organique presentant une phase smectique a, melange comprenant ce compose et procede de fabrication |
DE3441937A1 (de) * | 1984-11-16 | 1986-05-28 | Bayer Ag, 5090 Leverkusen | Fluessigkristallines material |
US5082589A (en) * | 1986-05-22 | 1992-01-21 | Hoffmann-La Roche Inc. | Liquid crystalline esters |
EP0247466B1 (fr) * | 1986-05-22 | 1993-11-24 | F. Hoffmann-La Roche Ag | Dérivés de benzoates phényliques sous forme de cristaux liquides |
FR2604440B1 (fr) * | 1986-09-30 | 1988-11-10 | Thomson Csf | Polymeres mesomorphes a chaines laterales derives du 1-(phenyl)-2-(4-cyanophenyl) ethane |
US6413448B1 (en) * | 1999-04-26 | 2002-07-02 | Displaytech, Inc. | Cyclohexyl- and cyclohexenyl-substituted liquid crystals with low birefringence |
US7195719B1 (en) | 2001-01-03 | 2007-03-27 | Displaytech, Inc. | High polarization ferroelectric liquid crystal compositions |
US6838128B1 (en) | 2002-02-05 | 2005-01-04 | Displaytech, Inc. | High polarization dopants for ferroelectric liquid crystal compositions |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1551043A (en) * | 1975-04-22 | 1979-08-22 | Secr Defence | Biphenyl compounds containing a cyano group and liquid crystal materials and devices containing such compounds |
GB1456359A (en) * | 1974-10-22 | 1976-11-24 | Merck Patent Gmbh | Biphenyl carboxylic esters |
DD115828A1 (fr) | 1974-10-30 | 1975-10-12 | ||
FR2297201A1 (fr) * | 1975-01-10 | 1976-08-06 | Thomson Csf | Produits mesogenes pour cellules a cristal liquide, et procede de fabrication desdits produits |
-
1977
- 1977-11-24 FR FR7735357A patent/FR2410037A1/fr active Granted
-
1978
- 1978-11-14 JP JP53140372A patent/JPS6059948B2/ja not_active Expired
- 1978-11-21 US US05/962,692 patent/US4212762A/en not_active Expired - Lifetime
- 1978-11-24 GB GB7846009A patent/GB2010272B/en not_active Expired
- 1978-11-24 DE DE2850923A patent/DE2850923C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2850923C2 (de) | 1985-01-03 |
JPS5479185A (en) | 1979-06-23 |
JPS6059948B2 (ja) | 1985-12-27 |
GB2010272A (en) | 1979-06-27 |
US4212762A (en) | 1980-07-15 |
DE2850923A1 (de) | 1979-05-31 |
GB2010272B (en) | 1982-04-15 |
FR2410037B1 (fr) | 1981-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |