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-
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 |
DE3332692A1 (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 |
EP0167912B1 (fr) * | 1984-07-12 | 1990-01-03 | F. Hoffmann-La Roche Ag | Mélanges liquides cristallins contenant des composés présentant une chaîne latérale 4-alcényle ou 2Z-alcényle |
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 |
---|---|
FR2377441B1 (fr) | 1980-05-09 |
CH627777A5 (fr) | 1982-01-29 |
US4147655A (en) | 1979-04-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |