FR2377441A1 - Nouvelle famille de cristaux liquides de proprietes ameliorees, et dispositifs utilisant de tels cristaux liquides - Google Patents
Nouvelle famille de cristaux liquides de proprietes ameliorees, et dispositifs utilisant de tels cristaux liquidesInfo
- Publication number
- FR2377441A1 FR2377441A1 FR7701068A FR7701068A FR2377441A1 FR 2377441 A1 FR2377441 A1 FR 2377441A1 FR 7701068 A FR7701068 A FR 7701068A FR 7701068 A FR7701068 A FR 7701068A FR 2377441 A1 FR2377441 A1 FR 2377441A1
- Authority
- FR
- France
- Prior art keywords
- liquid crystals
- devices
- improved properties
- new family
- family
- 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
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/001—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by modification in a side chain
- C07C37/002—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by modification in a side chain by transformation of a functional group, e.g. oxo, carboxyl
-
- 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)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Liquid Crystal Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Famille de corps mésomorphes constituant, dans certaines gammes de température, des cristaux liquides nématiques ou smectiques. Formule générale des corps de la famille selon l'invention :
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7701068A FR2377441A1 (fr) | 1977-01-14 | 1977-01-14 | Nouvelle famille de cristaux liquides de proprietes ameliorees, et dispositifs utilisant de tels cristaux liquides |
US05/868,092 US4147655A (en) | 1977-01-14 | 1978-01-09 | Liquid crystals with improved properties and devices using such liquid crystals |
CH37778A CH627777A5 (fr) | 1977-01-14 | 1978-01-13 | Cristaux liquides. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7701068A FR2377441A1 (fr) | 1977-01-14 | 1977-01-14 | Nouvelle famille de cristaux liquides de proprietes ameliorees, et dispositifs utilisant de tels cristaux liquides |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2377441A1 true FR2377441A1 (fr) | 1978-08-11 |
FR2377441B1 FR2377441B1 (fr) | 1980-05-09 |
Family
ID=9185517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7701068A Granted FR2377441A1 (fr) | 1977-01-14 | 1977-01-14 | Nouvelle famille de cristaux liquides de proprietes ameliorees, et dispositifs utilisant de tels cristaux liquides |
Country Status (3)
Country | Link |
---|---|
US (1) | US4147655A (fr) |
CH (1) | CH627777A5 (fr) |
FR (1) | FR2377441A1 (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
FR2470788A1 (fr) * | 1979-12-07 | 1981-06-12 | Thomson Csf | Melange de cristaux liquides, derives du triphenylene, utilisable dans les dispositifs electro-optiques |
FR2473538A1 (fr) * | 1980-01-11 | 1981-07-17 | Werk Fernsehelektronik Veb | Melange en cristaux liquides de l'ester du 4-(2,2-dicyan-ethenyl)-phenol et procede pour leur fabrication |
US4333709A (en) * | 1979-12-07 | 1982-06-08 | Thomson-Csf | Mixture of disc-like liquid crystals, electro-optical device using such a mixture and process for orienting the molecules of the mixture |
US4676604A (en) * | 1983-03-16 | 1987-06-30 | Hoffmann-La Roche Inc. | Liquid crystals |
US5238602A (en) * | 1984-07-16 | 1993-08-24 | Hoffmann La Roche Inc. | Liquid crystals |
JP2009511431A (ja) * | 2005-09-20 | 2009-03-19 | ロリク アーゲー | 官能化された光反応性化合物 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3332691A1 (de) * | 1983-09-10 | 1985-03-28 | Merck Patent Gmbh, 6100 Darmstadt | Anisotrope verbindungen und fluessigkristallmischungen |
US5252252A (en) * | 1983-09-10 | 1993-10-12 | Merck Patent Gesellschaft Mit Beschraenkter Haftung | Anisotropic compounds and liquid crystal mixtures |
DE3332692A1 (de) * | 1983-09-10 | 1985-03-28 | Merck Patent Gmbh, 6100 Darmstadt | Anisotrope verbindungen und fluessigkristallmischungen |
DE3575158D1 (de) * | 1984-07-12 | 1990-02-08 | Hoffmann La Roche | Fluessigkristalline gemische enthaltend komponenten mit einer 4-alkenyl- oder 2z-alkenyl-seitenkette. |
FR2604440B1 (fr) * | 1986-09-30 | 1988-11-10 | Thomson Csf | Polymeres mesomorphes a chaines laterales derives du 1-(phenyl)-2-(4-cyanophenyl) ethane |
DE4018651B4 (de) * | 1990-06-11 | 2005-12-22 | Merck Patent Gmbh | Flüssigkristallines Medium und seine Verwendung |
DE4211694B4 (de) * | 1992-04-08 | 2006-06-01 | Merck Patent Gmbh | Flüssigkristalline Verbindungen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3767289A (en) * | 1970-12-31 | 1973-10-23 | Ibm | Class of stable trans-stilbene compounds, some displaying nematic mesophases at or near room temperature and others in a range up to 100{20 {11 c |
BE787198A (fr) * | 1971-08-07 | 1973-02-05 | Merck Patent Gmbh | Composes et melanges nematiques |
US3876286A (en) * | 1972-06-14 | 1975-04-08 | Werk Fernsehelektronik Veb | Use of nematic liquid crystalline substances |
NL7211383A (fr) * | 1972-08-18 | 1974-02-20 | ||
NL7305413A (fr) * | 1973-04-18 | 1974-10-22 | ||
US3951846A (en) * | 1974-06-28 | 1976-04-20 | Rca Corporation | Novel liquid crystal electro-optic devices |
-
1977
- 1977-01-14 FR FR7701068A patent/FR2377441A1/fr active Granted
-
1978
- 1978-01-09 US US05/868,092 patent/US4147655A/en not_active Expired - Lifetime
- 1978-01-13 CH CH37778A patent/CH627777A5/fr not_active IP Right Cessation
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
FR2470788A1 (fr) * | 1979-12-07 | 1981-06-12 | Thomson Csf | Melange de cristaux liquides, derives du triphenylene, utilisable dans les dispositifs electro-optiques |
US4333709A (en) * | 1979-12-07 | 1982-06-08 | Thomson-Csf | Mixture of disc-like liquid crystals, electro-optical device using such a mixture and process for orienting the molecules of the mixture |
EP0030879B1 (fr) * | 1979-12-07 | 1984-07-25 | Thomson-Csf | Mélange de cristaux liquides disquotiques, dispositif électrooptique utilisant un tel mélange, et procédé d'orientation des molécules du mélange |
FR2473538A1 (fr) * | 1980-01-11 | 1981-07-17 | Werk Fernsehelektronik Veb | Melange en cristaux liquides de l'ester du 4-(2,2-dicyan-ethenyl)-phenol et procede pour leur fabrication |
US4676604A (en) * | 1983-03-16 | 1987-06-30 | Hoffmann-La Roche Inc. | Liquid crystals |
US5013478A (en) * | 1983-03-16 | 1991-05-07 | Hoffmann-La Roche Inc. | Liquid crystals |
US5238602A (en) * | 1984-07-16 | 1993-08-24 | Hoffmann La Roche Inc. | Liquid crystals |
JP2009511431A (ja) * | 2005-09-20 | 2009-03-19 | ロリク アーゲー | 官能化された光反応性化合物 |
Also Published As
Publication number | Publication date |
---|---|
CH627777A5 (fr) | 1982-01-29 |
US4147655A (en) | 1979-04-03 |
FR2377441B1 (fr) | 1980-05-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |